Move webhook pages to /hook/ID and inbound URLs to /h/UUID (closes #367)

The webhook page and everything under it move from /source/ID to
/hook/ID, the list and new-webhook form to /hooks and /hooks/new, and
the event log from .../logs to /hook/ID/events, body download
included. Entrypoint URLs move from /webhook/UUID to /h/UUID, and the
webhook page shows only that form. The old paths are gone.

Links, redirects, form actions, tests, comments and the README follow.
Go identifiers and template file names are unchanged. A new route test
posts to the entrypoint URL the webhook page shows and checks that the
receiver rate limit applies to it.

Model: opus-5-5

.dockerignore

@@ -1,20 +1,16 @@
-# .git is sent so the build can derive the version it stamps into the binary
-# (script/version). Its config, which can hold a remote URL carrying a
-# credential and which `git describe` does not need, is left out of a
-# directory context. A context sent as a tar is not filtered by this file, so
-# it carries .git/config unless its sender leaves it out.
-.git/config
-
-# No tracked file may be listed here: git in the build would see it as
-# deleted and mark the version -dirty.
-#
 # .ci-fingerprint is deliberately NOT excluded: it is the CI cache barrier
 # that keeps the check stages from replaying a cached pass. See the lint
 # stage of the Dockerfile.
+.git/
 bin/
-# Extracted from 3p/ by `make assets` inside the build; a host copy is not
+# Third-party browser assets are fetched and hash-verified inside the build by
-# needed. The tarball in 3p/ must stay in the context.
+# script/fetch-assets. Excluding any host copy keeps a developer's working tree
+# from supplying the bytes that get shipped. The script and its
+# static/vendor.sha256 manifest stay in the context.
 static/js/alpine.min.js
+*.md
+LICENSE
+.editorconfig
 .env
 .env.*
 *.db

.gitea/workflows/check.yml

@@ -12,8 +12,9 @@ jobs:
       - name: Checkout
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2 2024-10-23
         with:
-          # The superseded-status step needs history to walk ancestors (it
+          # The fingerprint step below needs history to find the last commit
-          # aborts on a shallow clone).
+          # that touched the Docker build context, and the superseded-status
+          # step needs it to walk ancestors (it aborts on a shallow clone).
           fetch-depth: 0
 
       - name: Mark superseded run statuses
@@ -27,11 +28,16 @@ jobs:
         run: script/ci-mark-superseded
 
       - name: Fingerprint the build context
-        # Writes the hash of the commit being checked into the context, which
+        # `.dockerignore` keeps docs out of the build context, so a docs-only
-        # invalidates the `COPY . .` layer of both check stages: a commit
+        # commit legitimately replays the whole image from cache and stays
-        # that was never linted, format-checked, tested and built cannot
+        # cheap. Every other commit writes a new fingerprint into the context,
-        # report success from cache.
+        # which invalidates the `COPY . .` layer of both check stages: a
-        run: git rev-parse HEAD > .ci-fingerprint
+        # commit that was never linted, formatted-checked, tested and built
+        # cannot report success from cache.
+        run: |
+          set -eu
+          fp="$(git log -1 --format=%H -- . ':!*.md' ':!LICENSE' ':!.editorconfig')"
+          printf '%s\n' "${fp:-$GITHUB_SHA}" > .ci-fingerprint
 
-      - name: Build Docker image (runs make fmt-check, golangci-lint, make test, make build)
+      - name: Build Docker image (runs make check)
         run: script/cibuild

.gitignore

@@ -46,6 +46,7 @@ temp/
 # CI cache barrier, written into the build context by the check workflow
 .ci-fingerprint
 
-# Alpine.js, extracted by `make assets` from its tarball in 3p/, which is
+# Third-party browser assets, fetched and hash-verified by
-# what is committed.
+# script/fetch-assets against static/vendor.sha256. Not committed:
+# REPO_POLICIES.md forbids minified bundles in version control.
 /static/js/alpine.min.js 

Dockerfile

@@ -12,8 +12,8 @@ WORKDIR /src
 COPY go.mod go.sum ./
 RUN go mod download
 
-# Copy source code. In CI the context also carries .ci-fingerprint, which
+# Copy source code. In CI the context also carries .ci-fingerprint, whose
-# holds the hash of the commit being checked (see
+# value changes with every commit that touches the build context (see
 # .gitea/workflows/check.yml). That invalidates this layer, so the checks
 # below cannot report success by replaying a cached pass. Do not add it to
 # .dockerignore.
@@ -38,13 +38,8 @@ FROM golang:1.26.1-bookworm@sha256:4465644228bc2857a954b092167e12aa59c006a349228
 COPY --from=lint /src/go.sum /dev/null
 
 # jq is a runtime dependency of script/ci-mark-superseded, which the test
-# suite executes. git is what script/version derives the version with.
+# suite executes.
-RUN apt-get update && apt-get install -y --no-install-recommends make curl ca-certificates jq git && rm -rf /var/lib/apt/lists/*
+RUN apt-get update && apt-get install -y --no-install-recommends make curl ca-certificates jq && rm -rf /var/lib/apt/lists/*
-
-# A build context sent as a tar archive keeps its files' owners, and git
-# refuses to read a checkout owned by another user. Trust this one
-# whoever owns it.
-RUN git config --system --add safe.directory /build
 
 WORKDIR /build
 
@@ -56,26 +51,25 @@ RUN go mod download
 # the lint stage above.
 COPY . .
 
-# Run tests and build. Both first run script/assets, which extracts Alpine.js
+# Fetch the third-party browser assets the UI serves. They are not committed
-# from its tarball in 3p/.
+# (REPO_POLICIES.md forbids minified bundles in version control) and
+# .dockerignore keeps any host copy out of the build context, so this step is
+# the only way they enter the image. Each download is checked against a
+# hardcoded sha256 and the build fails on mismatch; make test re-checks the
+# hashes against the bytes go:embed actually put in the binary.
+RUN script/fetch-assets
+
+# Run tests and build
 RUN make test
 
-# Version stamped into the binary: the VERSION build arg when one is
+# Version stamped into the binary. .dockerignore excludes .git/, so
-# given, otherwise what script/version derives from the .git the build
+# nothing in this stage can derive it: script/docker resolves it on the
-# context carries, so any `docker build .` of a clone stamps its commit.
+# host and passes it in. The default is what a bare `docker build .`
-# With neither, as from a source tarball, it is "unknown".
+# with no --build-arg gets, and it names no tag the tree may not be at.
 #
-# Declared here, below the test step, so a changed version does not
+# Declared here, below the test and asset steps, so a changed version
-# invalidate its cached layer.
+# does not invalidate their cached layers.
-ARG VERSION
+ARG VERSION=unknown
-
-# A context that carries .git must not stamp "unknown": that means git is
-# missing here or could not read the checkout, and the image could not be
-# traced back to its commit.
-RUN if [ -d .git ] && [ "$(make version VERSION="$VERSION")" = unknown ]; then \
-        echo "version is unknown although the build context carries .git" >&2; \
-        exit 1; \
-    fi
 
 RUN make build VERSION="$VERSION"
 

Makefile

@@ -4,12 +4,12 @@
 .DEFAULT_GOAL := check
 
 # Version stamped into the binary. Derived from git by script/version;
-# override it (`make build VERSION=v1.2.3`) to stamp a given value, which is
+# override it (`make build VERSION=v1.2.3`) where git metadata is
-# how the Dockerfile passes its build arg in.
+# unavailable, which is how the Dockerfile passes its build arg in.
 VERSION ?= $(shell script/version)
 
-# An empty override (`make build VERSION=`, or the Dockerfile's `make build
+# An empty override (`make build VERSION=`, or a `--build-arg VERSION=`
-# VERSION="$VERSION"` when no VERSION build arg was given) means unset,
+# landing on the Dockerfile's `make build VERSION="$VERSION"`) means unset,
 # exactly as it does in script/version -- stamping "" would leave the binary
 # reporting no version and the footer back on its "dev" fallback. `override`
 # is required: a plain assignment loses to the command-line definition it
@@ -28,7 +28,7 @@ setup:
 	@script/setup
 
 assets:
-	@script/assets
+	@script/fetch-assets
 
 test:
 	@script/test
@@ -45,13 +45,13 @@ fmt-check:
 check:
 	@script/check
 
-build: assets
+build:
 	go build -ldflags '$(strip -X main.version=$(VERSION) $(GO_LDFLAGS))' -o bin/webhooker ./cmd/webhooker
 
 run: build
 	./bin/webhooker
 
-dev: assets
+dev:
 	go run ./cmd/webhooker
 
 deps:

TODO.md

@@ -40,6 +40,12 @@ duplicate. That is deliberate — the alternative is a silent lost
 delivery — and the README says so under Rationale. It is not a defect
 to re-file.
 
+One caveat on reading a green check: a docs-only commit deliberately
+replays from the layer cache
+(https://git.eeqj.de/sneak/webhooker/issues/119), so a green status on
+such a commit evidences a replay rather than an executed run. A code
+commit invalidates the `COPY` layer and genuinely executes.
+
 # Next Step
 
 Clear the rest of the open 1.0.0 milestone
@@ -381,7 +387,7 @@ point of the branch.
 - 2026-03-05 security headers middleware, session regeneration on
   login, request body size limits (#41)
 - 2026-03-04 tests for delivery, middleware, and session packages
-  (#32); removed the build-architecture global (#31)
+  (#32); removed globals.Buildarch (#31)
 - 2026-03-04 1.0 MVP merge: Webhook/Entrypoint/Target rename, core
   delivery engine with bounded worker pool and circuit breaker,
   parallel fan-out, per-webhook event databases, management UI (#16)

cmd/webhooker/main.go

@@ -16,7 +16,6 @@ import (
 	"sneak.berlin/go/webhooker/internal/handlers"
 	"sneak.berlin/go/webhooker/internal/healthcheck"
 	"sneak.berlin/go/webhooker/internal/logger"
-	"sneak.berlin/go/webhooker/internal/metrics"
 	"sneak.berlin/go/webhooker/internal/middleware"
 	"sneak.berlin/go/webhooker/internal/resetpw"
 	"sneak.berlin/go/webhooker/internal/server"
@@ -178,10 +177,6 @@ func newApp() *fx.App {
 			healthcheck.New,
 			session.New,
 			handlers.New,
-			// The registry /metrics serves, and the delivery
-			// collectors registered on it.
-			metrics.NewRegistry,
-			metrics.New,
 			middleware.New,
 			// The one SSRF guard both target-creation validation
 			// and the delivery dialer consult, so they cannot
@@ -192,10 +187,11 @@ func newApp() *fx.App {
 			// Wire *delivery.Engine as delivery.Notifier so the
 			// webhook handler can notify the engine of new deliveries.
 			func(e *delivery.Engine) delivery.Notifier { return e },
-			// Wire *delivery.Engine as delivery.Archives so deleting
+			// Wire *delivery.Engine as delivery.WebhookEvictor so
-			// or renaming a webhook or target reaches its archive
+			// deleting a webhook releases its archive writer.
-			// files.
+			func(e *delivery.Engine) delivery.WebhookEvictor {
-			func(e *delivery.Engine) delivery.Archives { return e },
+				return e
+			},
 			server.New,
 		),
 		fx.Invoke(

go.mod

@@ -4,7 +4,6 @@ go 1.26.1
 
 require (
 	github.com/99designs/basicauth-go v0.0.0-20230316000542-bf6f9cbbf0f8
-	github.com/dustin/go-humanize v1.0.1
 	github.com/getsentry/sentry-go v0.25.0
 	github.com/go-chi/chi v1.5.5
 	github.com/go-chi/cors v1.2.1
@@ -30,6 +29,7 @@ require (
 	github.com/beorn7/perks v1.0.1 // indirect
 	github.com/cespare/xxhash/v2 v2.2.0 // indirect
 	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect
+	github.com/dustin/go-humanize v1.0.1 // indirect
 	github.com/gorilla/securecookie v1.1.2 // indirect
 	github.com/jinzhu/inflection v1.0.0 // indirect
 	github.com/jinzhu/now v1.1.5 // indirect

internal/config/config.go

@@ -75,11 +75,6 @@ const (
 	// internet-exposed endpoint.
 	defaultReceiverRateLimit = 120
 
-	// defaultTrustedProxies is TRUSTED_PROXIES when it is unset: the
-	// RFC 1918 private ranges, which a reverse proxy reaching the
-	// process over a Docker network or a private LAN connects from.
-	defaultTrustedProxies = "10.0.0.0/8,172.16.0.0/12,192.168.0.0/16"
-
 	// maxPort is the highest valid TCP port number. The lower
 	// bound (at least 1) is enforced by envPositiveInt.
 	maxPort = 65535
@@ -149,6 +144,7 @@ type ConfigParams struct {
 type Config struct {
 	DataDir         string
 	Debug           bool
+	MaintenanceMode bool
 	Environment     string
 	MetricsPassword string
 	MetricsUsername string
@@ -176,14 +172,13 @@ type Config struct {
 
 	// TrustedProxies is the set of networks whose members are
 	// allowed to speak for the client with X-Forwarded-For, the
-	// only forwarded header read. Unless TRUSTED_PROXIES is set it
+	// only forwarded header read. It is empty unless
-	// is the RFC 1918 private ranges (defaultTrustedProxies); a set
+	// TRUSTED_PROXIES is set, and empty means no peer is
-	// value replaces them. If any client can reach the process, or
+	// trusted: forwarded headers are then ignored entirely and
-	// the proxy in front of it, from an RFC 1918 source address
+	// clients are identified by the connection's own address.
-	// (directly, or through anything that can rewrite source
+	// Members can choose their own rate-limit key, so this must
-	// addresses, such as NAT or a published container port), it
+	// name proxy hosts only, never a block that also covers
-	// must be set to the proxy's address alone, or every rate limit
+	// clients.
-	// can be bypassed by those clients.
 	TrustedProxies []netip.Prefix
 
 	// AllowedEgressCIDRs is the set of networks a delivery target
@@ -195,13 +190,12 @@ type Config struct {
 	// otherwise refuse. The guard itself is always on: there is no
 	// setting that disables SSRF protection, and delivery's
 	// alwaysBlockedNetworks stays blocked no matter what is listed
-	// here. That set is link-local, the unspecified addresses
+	// here. That set is link-local plus the cloud metadata
-	// 0.0.0.0 and ::, and the cloud metadata endpoints outside
+	// endpoints outside it that disclose credentials or user data
-	// link-local that disclose credentials or user data at a
+	// at a provider-fixed, non-public address; it is not
-	// provider-fixed, non-public address; it is not exhaustive of
+	// exhaustive of every cloud's metadata address. See
-	// every cloud's metadata address. See
+	// alwaysBlockedNetworks for the authoritative list and the
-	// alwaysBlockedNetworks for the authoritative list and why
+	// criterion it is built from.
-	// each entry is on it.
 	AllowedEgressCIDRs []netip.Prefix
 
 	params *ConfigParams
@@ -466,15 +460,14 @@ func parseCIDR(entry string) (netip.Prefix, error) {
 
 // envPrefixList returns the value of the named environment variable
 // parsed as a comma-separated list of CIDR blocks (bare addresses
-// allowed). An unset, empty, or blank value is read as defaultValue
+// allowed). An unset, empty, or blank value yields an empty list. A
-// instead. A set value containing an unparseable entry is a hard
+// set value containing an unparseable entry is a hard error naming
-// error naming the key and the bad entry, so startup fails loudly
+// the key and the bad entry, so startup fails loudly rather than
-// rather than silently running with a list the operator did not
+// silently running with a list the operator did not intend.
-// intend.
+func envPrefixList(key string) ([]netip.Prefix, error) {
-func envPrefixList(key, defaultValue string) ([]netip.Prefix, error) {
 	v := strings.TrimSpace(os.Getenv(key))
 	if v == "" {
-		v = defaultValue
+		return nil, nil
 	}
 
 	var prefixes []netip.Prefix
@@ -657,6 +650,11 @@ func loadFromEnv() (*Config, error) {
 		return nil, err
 	}
 
+	maintenanceMode, err := envBool("MAINTENANCE_MODE", false)
+	if err != nil {
+		return nil, err
+	}
+
 	retentionSweepInterval, err := envPositiveDuration(
 		"RETENTION_SWEEP_INTERVAL",
 		defaultRetentionSweepInterval,
@@ -683,12 +681,12 @@ func loadFromEnv() (*Config, error) {
 		return nil, err
 	}
 
-	trustedProxies, err := envPrefixList("TRUSTED_PROXIES", defaultTrustedProxies)
+	trustedProxies, err := envPrefixList("TRUSTED_PROXIES")
 	if err != nil {
 		return nil, err
 	}
 
-	allowedEgressCIDRs, err := envPrefixList("ALLOWED_EGRESS_CIDRS", "")
+	allowedEgressCIDRs, err := envPrefixList("ALLOWED_EGRESS_CIDRS")
 	if err != nil {
 		return nil, err
 	}
@@ -706,6 +704,7 @@ func loadFromEnv() (*Config, error) {
 	return &Config{
 		DataDir:                DataDir(),
 		Debug:                  debug,
+		MaintenanceMode:        maintenanceMode,
 		Environment:            environment,
 		MetricsUsername:        metricsUsername,
 		MetricsPassword:        metricsPassword,
@@ -761,6 +760,50 @@ func (c *Config) warnEgressAllowlist(log *slog.Logger) {
 	)
 }
 
+// warnSharedRateLimitBucket logs a startup warning whenever
+// TRUSTED_PROXIES is empty, in any environment.
+//
+// With no trusted proxies every rate limiter keys on the connecting
+// peer's address. Whether that is harmless or dangerous depends on
+// what is in front of the process, which this code cannot observe:
+// with nothing in front, the peer is the client and the limits are
+// per-client as intended; behind a reverse proxy the peer is the proxy
+// for every request, so all clients share one bucket per limiter.
+//
+// The login endpoint no longer spends budget on arrival — it verifies
+// credentials first and charges only failures — so a shared bucket
+// cannot deny the operator a correct password. What it does collapse
+// is the failure counting: one client's wrong passwords throttle
+// everyone else's wrong passwords, and the receiver's limits become
+// service-wide ceilings.
+//
+// The warning is deliberately not gated on WEBHOOKER_ENVIRONMENT:
+// behind a proxy every client shares one bucket in dev and prod alike.
+//
+// The default of trusting nobody is deliberate — trusting forwarded
+// headers from arbitrary peers lets any client choose its own bucket —
+// so this warns rather than failing startup or changing the key.
+func (c *Config) warnSharedRateLimitBucket(log *slog.Logger) {
+	if len(c.TrustedProxies) > 0 {
+		return
+	}
+
+	log.Warn(
+		"TRUSTED_PROXIES is empty: every rate limit keys on the "+
+			"connecting peer's address. With nothing proxying to "+
+			"this process that is the client itself and the limits "+
+			"are per-client as intended. Behind a reverse proxy the "+
+			"peer is the proxy on every request, so all clients "+
+			"share one bucket per limit: the receiver limits become "+
+			"service-wide ceilings, and one client's failed logins "+
+			"throttle every other client's failed logins — a "+
+			"correct password still gets in. If anything proxies to "+
+			"this process, set TRUSTED_PROXIES to its address.",
+		"environment", c.Environment,
+		"trustedProxies", len(c.TrustedProxies),
+	)
+}
+
 // New creates a Config by reading environment variables.
 //
 //nolint:revive // lc parameter is required by fx even if unused.
@@ -792,6 +835,7 @@ func New(lc fx.Lifecycle, params ConfigParams) (*Config, error) {
 		// host can reach the admin UI.
 		"bindAddress", s.BindAddress,
 		"debug", s.Debug,
+		"maintenanceMode", s.MaintenanceMode,
 		"dataDir", s.DataDir,
 		"retentionSweepInterval", s.RetentionSweepInterval.String(),
 		// Logged because a perfectly valid non-positive value here
@@ -805,6 +849,7 @@ func New(lc fx.Lifecycle, params ConfigParams) (*Config, error) {
 		"hasMetricsAuth", s.MetricsAuthEnabled(),
 	)
 
+	s.warnSharedRateLimitBucket(log)
 	s.warnEgressAllowlist(log)
 
 	return s, nil

internal/config/config_test.go

@@ -124,11 +124,6 @@ func testEnvironmentConfigSuccess(
 
 	app := fxtest.New(
 		t,
-		// fx's own log is discarded, not sent to t.Logf: a hook still
-		// running after a start or stop timeout would write there after
-		// the test has returned. The same holds for every fxtest.New
-		// below.
-		fx.NopLogger,
 		fx.Provide(
 			globals.New,
 			logger.New,
@@ -277,7 +272,6 @@ func testRetentionSweepIntervalSuccess(
 
 	app := fxtest.New(
 		t,
-		fx.NopLogger,
 		fx.Provide(
 			globals.New,
 			logger.New,
@@ -370,7 +364,6 @@ func testSessionIdleTimeoutSuccess(
 
 	app := fxtest.New(
 		t,
-		fx.NopLogger,
 		fx.Provide(
 			globals.New,
 			logger.New,
@@ -411,7 +404,6 @@ func TestDefaultDataDir(t *testing.T) {
 
 			app := fxtest.New(
 				t,
-				fx.NopLogger,
 				fx.Provide(
 					globals.New,
 					logger.New,
@@ -542,7 +534,6 @@ func testReceiverRateLimitSuccess(
 
 	app := fxtest.New(
 		t,
-		fx.NopLogger,
 		fx.Provide(
 			globals.New,
 			logger.New,
@@ -560,11 +551,6 @@ func testReceiverRateLimitSuccess(
 }
 
 func TestTrustedProxies(t *testing.T) {
-	// Unset, the RFC 1918 private ranges are trusted, so a reverse
-	// proxy on a Docker network or a private LAN is covered without
-	// configuration.
-	defaultProxies := []string{cidrPrivateV4, "172.16.0.0/12", "192.168.0.0/16"}
-
 	tests := []struct {
 		name        string
 		set         bool
@@ -573,21 +559,18 @@ func TestTrustedProxies(t *testing.T) {
 		expected    []string
 	}{
 		{
+			// The default must be "trust nobody": an empty list
+			// means forwarded headers are ignored, never that
+			// every peer may speak for the client.
 			name:     caseUnsetUsesDefault,
 			set:      false,
-			expected: defaultProxies,
+			expected: []string{},
 		},
 		{
-			name:     "blank value uses default",
+			name:     "blank value trusts nothing",
 			set:      true,
 			value:    "  ",
-			expected: defaultProxies,
+			expected: []string{},
-		},
-		{
-			name:     "set value replaces the default entirely",
-			set:      true,
-			value:    "203.0.113.7",
-			expected: []string{"203.0.113.7/32"},
 		},
 		{
 			name:  caseValidValueParsed,
@@ -659,7 +642,6 @@ func testTrustedProxiesSuccess(
 
 	app := fxtest.New(
 		t,
-		fx.NopLogger,
 		fx.Provide(
 			globals.New,
 			logger.New,
@@ -773,7 +755,6 @@ func testAllowedEgressCIDRsSuccess(
 
 	app := fxtest.New(
 		t,
-		fx.NopLogger,
 		fx.Provide(
 			globals.New,
 			logger.New,
@@ -864,6 +845,101 @@ func TestEgressAllowlistWarning(t *testing.T) {
 	}
 }
 
+// TestSharedRateLimitBucketWarning covers the startup warning that
+// tells an operator a deployment behind a reverse proxy shares one
+// rate-limit bucket between every client, which turns the receiver
+// limits into service-wide ceilings and collapses login failure
+// counting. It must fire whenever TRUSTED_PROXIES is empty, in any
+// environment, because behind a proxy every client shares one bucket
+// in dev and prod alike. It stays quiet once proxies are named.
+func TestSharedRateLimitBucketWarning(t *testing.T) {
+	tests := []struct {
+		name           string
+		environment    string
+		trustedProxies string
+		expectWarning  bool
+	}{
+		{
+			name:          "prod without trusted proxies warns",
+			environment:   config.EnvironmentProd,
+			expectWarning: true,
+		},
+		{
+			name:           "prod with trusted proxies is quiet",
+			environment:    config.EnvironmentProd,
+			trustedProxies: cidrPrivateV4,
+			expectWarning:  false,
+		},
+		{
+			name:          "dev without trusted proxies warns",
+			environment:   config.EnvironmentDev,
+			expectWarning: true,
+		},
+		{
+			name:           "dev with trusted proxies is quiet",
+			environment:    config.EnvironmentDev,
+			trustedProxies: cidrPrivateV4,
+			expectWarning:  false,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			// Cannot use t.Parallel() here because t.Setenv
+			// is incompatible with parallel subtests.
+			t.Setenv("WEBHOOKER_ENVIRONMENT", tt.environment)
+
+			if tt.trustedProxies == "" {
+				require.NoError(
+					t, os.Unsetenv("TRUSTED_PROXIES"),
+				)
+			} else {
+				t.Setenv("TRUSTED_PROXIES", tt.trustedProxies)
+			}
+
+			var buf bytes.Buffer
+
+			log := slog.New(slog.NewJSONHandler(
+				&buf, &slog.HandlerOptions{
+					Level: slog.LevelDebug,
+				},
+			))
+
+			require.NoError(
+				t,
+				config.WarnSharedRateLimitBucketForTest(log),
+			)
+
+			if !tt.expectWarning {
+				assert.Empty(t, buf.String())
+
+				return
+			}
+
+			logged := buf.String()
+
+			assert.Contains(t, logged, `"level":"WARN"`)
+			assert.Contains(t, logged, "TRUSTED_PROXIES")
+			assert.Contains(t, logged, "share one bucket")
+			assert.Contains(
+				t, logged, "throttle every other client's failed logins",
+			)
+			// The warning must not claim a lockout the login
+			// endpoint no longer permits: credentials are verified
+			// before any budget is spent.
+			assert.Contains(
+				t, logged, "a correct password still gets in",
+			)
+			// The text must stay accurate for a developer with
+			// nothing in front of the process, where an empty
+			// list costs nothing.
+			assert.Contains(
+				t, logged, "nothing proxying to this process",
+			)
+		})
+	}
+}
+
 // metricsEnv describes what one subtest below puts in the
 // environment for a single METRICS_ variable. A variable that is
 // set to the empty string and one that is not set at all are
@@ -1017,7 +1093,6 @@ func assertMetricsAuthAccepted(t *testing.T, expectAuth bool) {
 
 	app := fxtest.New(
 		t,
-		fx.NopLogger,
 		fx.Provide(globals.New, logger.New, config.New),
 		fx.Populate(&cfg),
 	)

internal/config/env_test.go

@@ -20,6 +20,7 @@ const testEnvKey = "WEBHOOKER_TEST_VALUE"
 const (
 	envKeyPort            = "PORT"
 	envKeyDebug           = "DEBUG"
+	envKeyMaintenanceMode = "MAINTENANCE_MODE"
 	envKeyBindAddress     = "BIND_ADDRESS"
 )
 
@@ -603,6 +604,12 @@ func flagEnvValueCases() []badEnvValueCase {
 			value:       "ture",
 			expectError: true,
 		},
+		{
+			name:        "unparseable MAINTENANCE_MODE aborts startup",
+			key:         envKeyMaintenanceMode,
+			value:       "sometimes",
+			expectError: true,
+		},
 	}
 }
 
@@ -649,7 +656,8 @@ func TestNewUsesDefaultsWhenUnset(t *testing.T) {
 	t.Setenv("WEBHOOKER_ENVIRONMENT", "dev")
 
 	for _, key := range []string{
-		envKeyPort, envKeyDebug, envKeyBindAddress, envKeySentryDSN,
+		envKeyPort, envKeyDebug, envKeyMaintenanceMode,
+		envKeyBindAddress, envKeySentryDSN,
 	} {
 		require.NoError(t, os.Unsetenv(key))
 	}
@@ -660,6 +668,7 @@ func TestNewUsesDefaultsWhenUnset(t *testing.T) {
 
 	assert.Equal(t, 8080, cfg.Port)
 	assert.False(t, cfg.Debug)
+	assert.False(t, cfg.MaintenanceMode)
 
 	// Loopback, not the wildcard: the default must not publish the
 	// cleartext admin UI and the unauthenticated receiver on every

internal/config/export_test.go

@@ -6,6 +6,21 @@ import "log/slog"
 // the external config_test package so each helper can be covered by
 // its own table-driven test without weakening the package API.
 
+// WarnSharedRateLimitBucketForTest loads a Config from the current
+// environment and emits its startup warnings to log. The real logger
+// writes to stdout, so this lets the warning's firing condition be
+// asserted against a handler the test controls.
+func WarnSharedRateLimitBucketForTest(log *slog.Logger) error {
+	c, err := loadFromEnv()
+	if err != nil {
+		return err
+	}
+
+	c.warnSharedRateLimitBucket(log)
+
+	return nil
+}
+
 // WarnEgressAllowlistForTest loads a Config from the current
 // environment and emits its egress-allowlist startup warning to
 // log, so a test can assert both that the warning fires only when

internal/database/event_tier_indexes_test.go

@@ -93,11 +93,11 @@ func TestEventTierQueriesUseTheirIndexes(t *testing.T) {
 		deliveries []database.Delivery
 		results    []database.DeliveryResult
 		depths     []struct{ Depth int }
-		removed    []database.TargetTotals
 	)
 
 	byStatus := "idx_deliveries_status (status=? AND deleted_at=?)"
 	byEvent := "idx_deliveries_event_id (event_id=? AND deleted_at=?)"
+	byAge := "idx_events_deleted_at_created_at (deleted_at=? AND created_at<?)"
 
 	// The delivery engine: recovery and the retry sweep, the sweep for
 	// stranded pending deliveries, and the queue depth count.
@@ -123,80 +123,25 @@ func TestEventTierQueriesUseTheirIndexes(t *testing.T) {
 		Order("attempt_num ASC").Find(&results),
 		"idx_delivery_results_delivery_id (delivery_id=? AND deleted_at=?)")
 
-	// Retention (reapExpired, deleteEvents): one batch of expired
+	// Retention's three deletes (reapExpired), whose subqueries are built
-	// events, then their attempts, deliveries and the events.
+	// afresh for each statement as it builds them.
-	var expired []string
+	expiredEventIDs := func() *gorm.DB {
+		return dry.Model(&database.Event{}).Select("id").
+			Where("created_at < ?", cutoff)
+	}
 
-	assertPlanUses(t, db, dry.Unscoped().Model(&database.Event{}).
-		Where("created_at < ?", cutoff).
-		Limit(database.ExportReapBatchSize).Pluck("id", &expired),
-		"idx_events_created_at (created_at<?)")
 	assertPlanUses(t, db, dry.Unscoped().Where(
-		"delivery_id IN (?)", dry.Unscoped().Model(&database.Delivery{}).
+		"delivery_id IN (?)", dry.Model(&database.Delivery{}).
-			Select("id").Where("event_id IN ?", ids),
+			Select("id").Where("event_id IN (?)", expiredEventIDs()),
 	).Delete(&database.DeliveryResult{}),
-		"idx_delivery_results_delivery_id (delivery_id=?)",
+		"idx_delivery_results_delivery_id (delivery_id=?)", byEvent, byAge)
-		"idx_deliveries_event_id (event_id=?)")
+	assertPlanUses(t, db, dry.Unscoped().Where(
-	assertPlanUses(t, db, dry.Unscoped().Model(&database.Delivery{}).
+		"event_id IN (?)", expiredEventIDs(),
-		Select("target_id, count(*) AS deliveries_removed, "+
+	).Delete(&database.Delivery{}),
-			"count(CASE WHEN status = ? THEN 1 END) AS failed_removed",
+		"idx_deliveries_event_id (event_id=?)", byAge)
-			database.DeliveryStatusFailed).
+	assertPlanUses(t, db, dry.Unscoped().Where(
-		Where("event_id IN ?", ids).Group("target_id").Find(&removed),
+		"created_at < ?", cutoff,
-		"idx_deliveries_event_id (event_id=?)")
+	).Delete(&database.Event{}), "idx_events_created_at (created_at<?)")
-	assertPlanUses(t, db, dry.Unscoped().Where("event_id IN ?", ids).
-		Delete(&database.Delivery{}), "idx_deliveries_event_id (event_id=?)")
-	assertPlanUses(t, db, dry.Unscoped().Where("id IN ?", ids).
-		Delete(&database.Event{}), "sqlite_autoindex_events_1 (id=?)")
-}
-
-// TestStatisticsQueriesUseTheirIndexes does the same for the webhook
-// page's statistics (readEventStats in the handlers): deliveries in
-// progress, each target's deliveries finished since a time, which must
-// come from the index alone, and events received since a time.
-func TestStatisticsQueriesUseTheirIndexes(t *testing.T) {
-	t.Parallel()
-
-	mgr, lc := setupTestWebhookDBManager(t)
-	ctx := context.Background()
-	require.NoError(t, lc.Start(ctx))
-
-	defer func() { require.NoError(t, lc.Stop(ctx)) }()
-
-	db, err := mgr.GetDB(uuid.New().String())
-	require.NoError(t, err)
-
-	dry := db.Session(&gorm.Session{DryRun: true})
-	since := time.Now()
-
-	var (
-		count    int64
-		byTarget []struct{ TargetID string }
-	)
-
-	assertPlanUses(t, db, dry.Model(&database.Delivery{}).
-		Where("status IN ?", []database.DeliveryStatus{
-			database.DeliveryStatusPending,
-			database.DeliveryStatusRetrying,
-		}).Count(&count),
-		"idx_deliveries_status (status=? AND deleted_at=?)")
-	assertPlanUses(t, db, dry.Model(&database.Delivery{}).
-		Select("target_id, "+
-			"count(CASE WHEN status = ? THEN 1 END) AS delivered, "+
-			"count(CASE WHEN status = ? THEN 1 END) AS failed",
-			database.DeliveryStatusDelivered,
-			database.DeliveryStatusFailed).
-		Where("status IN ? AND finished_at >= ?",
-			[]database.DeliveryStatus{
-				database.DeliveryStatusDelivered,
-				database.DeliveryStatusFailed,
-			}, since).
-		Group("target_id").Find(&byTarget),
-		"COVERING INDEX idx_deliveries_status "+
-			"(status=? AND deleted_at=? AND finished_at>?)")
-	assertPlanUses(t, db, dry.Model(&database.Event{}).
-		Where("created_at >= ?", since).Count(&count),
-		"idx_events_deleted_at_created_at "+
-			"(deleted_at=? AND created_at>?)")
 }
 
 // assertPlanUses asserts that SQLite's plan for a statement GORM built

internal/database/export_test.go

@@ -5,7 +5,6 @@ import (
 	"io"
 	"log/slog"
 	"os"
-	"testing"
 	"time"
 
 	"go.uber.org/fx"
@@ -29,10 +28,6 @@ func NewTestRetentionReaper(
 	}
 }
 
-// ExportReapBatchSize exposes how many expired events one retention
-// transaction deletes.
-const ExportReapBatchSize = reapBatchSize
-
 // ExportSweep runs a single retention sweep synchronously for tests.
 func (r *RetentionReaper) ExportSweep(ctx context.Context) {
 	r.sweep(ctx)
@@ -84,14 +79,3 @@ func (d *Database) ExportSetBannerOut(w io.Writer) {
 func DummyPasswordHashForTest() string {
 	return dummyPasswordHash()
 }
-
-// HashAtShippedCostForTest makes HashPassword hash at the shipped
-// memory cost until t ends. t must not run in parallel with other
-// tests, which would hash at that cost alongside it.
-func HashAtShippedCostForTest(t *testing.T) {
-	t.Helper()
-
-	hashAtShippedCostInTest = true
-
-	t.Cleanup(func() { hashAtShippedCostInTest = false })
-}

internal/database/model_apikey.go

@@ -15,7 +15,6 @@ type APIKey struct {
 	Description string     `json:"description"`
 	LastUsedAt  *time.Time `json:"lastUsedAt,omitempty"`
 
-	// Relations. No model marshals the record it belongs to:
+	// Relations
-	// User.APIKeys leads back here, and the JSON could loop.
+	User User `json:"user,omitzero"`
-	User User `json:"-"`
 }

internal/database/model_delivery.go

@@ -1,10 +1,6 @@
 package database
 
-import (
+import "gorm.io/gorm"
-	"time"
-
-	"gorm.io/gorm"
-)
 
 // DeliveryStatus represents the status of a delivery
 type DeliveryStatus string
@@ -41,7 +37,7 @@ type Delivery struct {
 	BaseModel
 
 	EventID  string         `gorm:"type:uuid;not null;index:idx_deliveries_event_id,priority:1"       json:"eventId"`
-	TargetID string         `gorm:"type:uuid;not null;index:idx_deliveries_status,priority:4"         json:"targetId"`
+	TargetID string         `gorm:"type:uuid;not null"                                                json:"targetId"`
 	Status   DeliveryStatus `gorm:"not null;default:'pending';index:idx_deliveries_status,priority:1" json:"status"`
 
 	// DeletedAt repeats the BaseModel field only to be the second column
@@ -49,17 +45,8 @@ type Delivery struct {
 	// gives.
 	DeletedAt gorm.DeletedAt `gorm:"index:idx_deliveries_event_id,priority:2;index:idx_deliveries_status,priority:2" json:"deletedAt,omitzero"`
 
-	// FinishedAt is when the delivery became delivered or failed, and
+	// Relations
-	// nil while it is pending or retrying. It and then TargetID end the
+	Event           Event            `json:"event,omitzero"`
-	// status index, so the webhook page counts each target's deliveries
+	Target          Target           `json:"target,omitzero"`
-	// that finished in a recent window by reading just that window from
-	// the index.
-	FinishedAt *time.Time `gorm:"index:idx_deliveries_status,priority:3" json:"finishedAt,omitempty"`
-
-	// Relations. No model marshals the record it belongs to:
-	// Event.Deliveries and Target.Deliveries lead back here, and the
-	// JSON could loop.
-	Event           Event            `json:"-"`
-	Target          Target           `json:"-"`
 	DeliveryResults []DeliveryResult `json:"deliveryResults,omitempty"`
 }

internal/database/model_delivery_result.go

@@ -23,7 +23,6 @@ type DeliveryResult struct {
 	Error        string `json:"error,omitempty"`
 	Duration     int64  `json:"durationMs"` // Duration in milliseconds
 
-	// Relations. No model marshals the record it belongs to:
+	// Relations
-	// Delivery.DeliveryResults leads back here, and the JSON could loop.
+	Delivery Delivery `json:"delivery,omitzero"`
-	Delivery Delivery `json:"-"`
 }

internal/database/model_entrypoint.go

@@ -15,7 +15,6 @@ type Entrypoint struct {
 	Description string `json:"description"`
 	Active      bool   `gorm:"default:true" json:"active"`
 
-	// Relations. No model marshals the record it belongs to:
+	// Relations
-	// Webhook.Entrypoints leads back here, and the JSON could loop.
+	Webhook Webhook `json:"webhook,omitzero"`
-	Webhook Webhook `json:"-"`
 }

internal/database/model_event.go

@@ -31,11 +31,6 @@ type Event struct {
 	Body        string `gorm:"type:text"   json:"body"`
 	ContentType string `json:"contentType"`
 
-	// BodyBytes is the size of Body in bytes, recorded when the event
-	// is stored so the recent events list can show it without reading
-	// the body.
-	BodyBytes int64 `gorm:"not null" json:"bodyBytes"`
-
 	// ResubmittedFromID names the event this one was copied from by
 	// an operator resubmit. It is nil for an event that arrived on
 	// the receiver, which is every event created before the column
@@ -44,9 +39,8 @@ type Event struct {
 	// kept as the record of where the copy came from either way.
 	ResubmittedFromID *string `gorm:"type:uuid;index" json:"resubmittedFromId,omitempty"`
 
-	// Relations. No model marshals the record it belongs to, so
+	// Relations
-	// Webhook and Entrypoint are left out of the JSON.
+	Webhook    Webhook    `json:"webhook,omitzero"`
-	Webhook    Webhook    `json:"-"`
+	Entrypoint Entrypoint `json:"entrypoint,omitzero"`
-	Entrypoint Entrypoint `json:"-"`
 	Deliveries []Delivery `json:"deliveries,omitempty"`
 }

internal/database/model_parent_test.go

@@ -1,126 +0,0 @@
-package database_test
-
-import (
-	"testing"
-
-	"github.com/google/uuid"
-	"github.com/stretchr/testify/assert"
-	"github.com/stretchr/testify/require"
-	"sneak.berlin/go/webhooker/internal/database"
-)
-
-// TestPreloadedModelsMarshalWithoutTheirParent pins that a child's
-// reference to the record it belongs to is left out of the JSON, so a
-// webhook and its targets cannot marshal each other in a loop, and that
-// GORM still preloads that reference, since it ignores json tags.
-func TestPreloadedModelsMarshalWithoutTheirParent(t *testing.T) {
-	t.Parallel()
-
-	db := startedTestDB(t)
-
-	stored := database.Webhook{
-		UserID:      uuid.New().String(),
-		Name:        testWebhookName,
-		Entrypoints: []database.Entrypoint{{Path: uuid.New().String()}},
-		Targets: []database.Target{{
-			Name: "log",
-			Type: database.TargetTypeLog,
-		}},
-	}
-	require.NoError(t, db.Create(&stored).Error)
-
-	entrypointID := stored.Entrypoints[0].ID
-	targetID := stored.Targets[0].ID
-
-	var webhook database.Webhook
-
-	require.NoError(t, db.
-		Preload("Entrypoints.Webhook").
-		Preload("Targets.Webhook").
-		First(&webhook, "id = ?", stored.ID).Error)
-
-	require.Len(t, webhook.Entrypoints, 1)
-	require.Len(t, webhook.Targets, 1)
-	assert.Equal(t, stored.ID, webhook.Entrypoints[0].Webhook.ID)
-	assert.Equal(t, stored.ID, webhook.Targets[0].Webhook.ID)
-
-	encoded := marshalModel(t, webhook)
-
-	assert.Contains(t, encoded, entrypointID)
-	assert.Contains(t, encoded, targetID)
-
-	// Each child holds the parent's id as its webhookId, so the parent
-	// is looked for by its own id field.
-	parentIDField := `"id":"` + stored.ID + `"`
-
-	assert.NotContains(t, marshalModel(t, webhook.Entrypoints[0]), parentIDField)
-	assert.NotContains(t, marshalModel(t, webhook.Targets[0]), parentIDField)
-
-	var target database.Target
-
-	require.NoError(t, db.
-		Preload("Webhook").
-		First(&target, "id = ?", targetID).Error)
-
-	assert.Equal(t, stored.ID, target.Webhook.ID)
-
-	encoded = marshalModel(t, target)
-
-	assert.Contains(t, encoded, stored.ID)
-	assert.NotContains(t, encoded, parentIDField)
-}
-
-// TestModelsMarshalWithoutTheirParent covers the other references to a
-// parent: each model is built with its parent set, and the parent's id
-// must not appear in the JSON.
-func TestModelsMarshalWithoutTheirParent(t *testing.T) {
-	t.Parallel()
-
-	parent := database.BaseModel{ID: uuid.New().String()}
-
-	cases := []struct {
-		name  string
-		model any
-	}{
-		{
-			name:  "Webhook.User",
-			model: database.Webhook{User: database.User{BaseModel: parent}},
-		},
-		{
-			name:  "APIKey.User",
-			model: database.APIKey{User: database.User{BaseModel: parent}},
-		},
-		{
-			name:  "Delivery.Event",
-			model: database.Delivery{Event: database.Event{BaseModel: parent}},
-		},
-		{
-			name:  "Delivery.Target",
-			model: database.Delivery{Target: database.Target{BaseModel: parent}},
-		},
-		{
-			name: "DeliveryResult.Delivery",
-			model: database.DeliveryResult{
-				Delivery: database.Delivery{BaseModel: parent},
-			},
-		},
-		{
-			name:  "Event.Webhook",
-			model: database.Event{Webhook: database.Webhook{BaseModel: parent}},
-		},
-		{
-			name: "Event.Entrypoint",
-			model: database.Event{
-				Entrypoint: database.Entrypoint{BaseModel: parent},
-			},
-		},
-	}
-
-	for _, tc := range cases {
-		t.Run(tc.name, func(t *testing.T) {
-			t.Parallel()
-
-			assert.NotContains(t, marshalModel(t, tc.model), parent.ID)
-		})
-	}
-}

internal/database/model_target.go

@@ -34,8 +34,7 @@ type Target struct {
 	MaxRetries   int `json:"maxRetries,omitempty"`
 	MaxQueueSize int `json:"maxQueueSize,omitempty"`
 
-	// Relations. No model marshals the record it belongs to:
+	// Relations
-	// Webhook.Targets leads back here, and the JSON could loop.
+	Webhook    Webhook    `json:"webhook,omitzero"`
-	Webhook    Webhook    `json:"-"`
 	Deliveries []Delivery `json:"deliveries,omitempty"`
 }

internal/database/model_totals.go

@@ -1,99 +0,0 @@
-package database
-
-import (
-	"fmt"
-	"time"
-
-	"gorm.io/gorm"
-)
-
-// The running totals in a webhook's event database keep the webhook
-// page's lifetime figures right after retention has removed the rows
-// they count, and let the page show them without counting every row.
-// Each total changes in the transaction that writes or deletes the
-// rows it counts.
-
-// EventTotals is the single row counting a webhook's events: every
-// event ever stored, how many of them retention has deleted, and when
-// the newest arrived, which retention leaves as it is.
-type EventTotals struct {
-	ID int64 `gorm:"primaryKey"`
-
-	Events        int64 `gorm:"not null"`
-	EventsRemoved int64 `gorm:"not null"`
-
-	// LastEventAt is when the newest event arrived, or nil before the
-	// first.
-	LastEventAt *time.Time
-}
-
-// TableName names the table AddEventTotals updates.
-func (EventTotals) TableName() string {
-	return "event_totals"
-}
-
-// TargetTotals is one row per target counting its deliveries: every
-// delivery ever created, how many became delivered and how many
-// failed, and how many deliveries and failed deliveries retention has
-// deleted. The webhook's delivery figures are these rows summed.
-type TargetTotals struct {
-	TargetID string `gorm:"type:uuid;primaryKey"`
-
-	Deliveries int64 `gorm:"not null"`
-	Delivered  int64 `gorm:"not null"`
-	Failed     int64 `gorm:"not null"`
-
-	DeliveriesRemoved int64 `gorm:"not null"`
-	FailedRemoved     int64 `gorm:"not null"`
-}
-
-// TableName names the table AddTargetTotals updates.
-func (TargetTotals) TableName() string {
-	return "target_totals"
-}
-
-// AddEventTotals adds each count in add to the webhook's event totals,
-// and records add.LastEventAt as when the newest event arrived if it is
-// set. Call it on the transaction that writes or deletes the events it
-// counts.
-func AddEventTotals(tx *gorm.DB, add EventTotals) error {
-	err := tx.Exec(
-		`UPDATE event_totals SET
-			events = events + ?,
-			events_removed = events_removed + ?,
-			last_event_at = coalesce(?, last_event_at)`,
-		add.Events, add.EventsRemoved, add.LastEventAt,
-	).Error
-	if err != nil {
-		return fmt.Errorf("adding to event totals: %w", err)
-	}
-
-	return nil
-}
-
-// AddTargetTotals adds each count in add to the totals of the target
-// add.TargetID names, creating its row the first time. Call it on the
-// transaction that writes or deletes the deliveries it counts.
-func AddTargetTotals(tx *gorm.DB, add TargetTotals) error {
-	err := tx.Exec(
-		`INSERT INTO target_totals (target_id, deliveries, delivered,
-			failed, deliveries_removed, failed_removed)
-		VALUES (?, ?, ?, ?, ?, ?)
-		ON CONFLICT (target_id) DO UPDATE SET
-			deliveries = deliveries + excluded.deliveries,
-			delivered = delivered + excluded.delivered,
-			failed = failed + excluded.failed,
-			deliveries_removed =
-				deliveries_removed + excluded.deliveries_removed,
-			failed_removed = failed_removed + excluded.failed_removed`,
-		add.TargetID, add.Deliveries, add.Delivered,
-		add.Failed, add.DeliveriesRemoved, add.FailedRemoved,
-	).Error
-	if err != nil {
-		return fmt.Errorf(
-			"adding to totals of target %s: %w", add.TargetID, err,
-		)
-	}
-
-	return nil
-}

internal/database/model_user.go

@@ -1,58 +1,13 @@
 package database
 
-import (
-	"errors"
-	"fmt"
-
-	"gorm.io/gorm"
-)
-
-// MaxUsernameBytes is the longest username, in bytes, that a user may
-// have. The same number appears in the check constraint on
-// User.Username, because a struct tag cannot reference a constant.
-//
-// A login stores the username in the session cookie, and both
-// securecookie and browsers refuse a cookie value past about 4096
-// bytes. That value is the session base64-encoded twice, so it holds
-// 4096 × 3/4 × 3/4 = 2304 bytes of session, and the signature,
-// timestamp and the session's other values take about 270 of those: a
-// username longer than about 2030 bytes can never log in. The limit is
-// about half that, so the session can carry more values later without
-// locking out an account whose username is already at the limit.
-const MaxUsernameBytes = 1024
-
-// ErrUsernameTooLong is returned when a user is saved with a username
-// longer than MaxUsernameBytes.
-var ErrUsernameTooLong = errors.New("username is too long")
-
 // User represents a user of the webhooker service
-//
-//nolint:lll // a struct tag cannot wrap
 type User struct {
 	BaseModel
 
-	Username string `gorm:"uniqueIndex;not null;check:length(CAST(username AS BLOB)) <= 1024" json:"username"`
+	Username string `gorm:"uniqueIndex;not null" json:"username"`
 	Password string `gorm:"not null"             json:"-"` // Argon2 hashed
 
 	// Relations
 	Webhooks []Webhook `json:"webhooks,omitempty"`
 	APIKeys  []APIKey  `json:"apiKeys,omitempty"`
 }
-
-// BeforeSave rejects a username longer than MaxUsernameBytes when a whole
-// User is created or saved, so those calls get ErrUsernameTooLong rather
-// than the database's constraint error. A column update such as
-// Update("username", ...) is caught only by the check constraint, as is
-// any path that writes the table without this model.
-func (u *User) BeforeSave(_ *gorm.DB) error {
-	if len(u.Username) > MaxUsernameBytes {
-		return fmt.Errorf(
-			"%w: %d bytes, limit is %d",
-			ErrUsernameTooLong,
-			len(u.Username),
-			MaxUsernameBytes,
-		)
-	}
-
-	return nil
-}

internal/database/model_user_test.go

@@ -1,65 +0,0 @@
-package database_test
-
-import (
-	"strings"
-	"testing"
-
-	"github.com/google/uuid"
-	"github.com/stretchr/testify/assert"
-	"github.com/stretchr/testify/require"
-	"sneak.berlin/go/webhooker/internal/database"
-)
-
-// usernameAtLimit is exactly MaxUsernameBytes long, built from a
-// two-byte character. A check that counted characters rather than bytes
-// would see half the length and let the one-byte-longer name through.
-func usernameAtLimit() string {
-	return strings.Repeat("é", database.MaxUsernameBytes/2)
-}
-
-func TestUserCreate_RejectsOverlongUsername(t *testing.T) {
-	t.Parallel()
-
-	db := startedTestDB(t)
-
-	err := db.Create(&database.User{
-		Username: usernameAtLimit() + "x",
-		Password: "hash",
-	}).Error
-
-	require.ErrorIs(t, err, database.ErrUsernameTooLong)
-}
-
-func TestUserCreate_AcceptsUsernameAtLimit(t *testing.T) {
-	t.Parallel()
-
-	db := startedTestDB(t)
-
-	require.NoError(t, db.Create(&database.User{
-		Username: usernameAtLimit(),
-		Password: "hash",
-	}).Error)
-}
-
-// TestUsersTable_EnforcesUsernameLimitWithoutTheModel inserts with raw
-// SQL, as a path that bypassed User.BeforeSave would, so only the
-// table's check constraint stands between it and an over-long
-// username. Accepting the name at the limit and refusing the next byte
-// also pins the constraint's number to MaxUsernameBytes.
-func TestUsersTable_EnforcesUsernameLimitWithoutTheModel(t *testing.T) {
-	t.Parallel()
-
-	db := startedTestDB(t)
-
-	insert := "INSERT INTO users (id, username, password) VALUES (?, ?, ?)"
-
-	require.NoError(t, db.Exec(
-		insert, uuid.New().String(), usernameAtLimit(), "hash",
-	).Error)
-
-	err := db.Exec(
-		insert, uuid.New().String(), usernameAtLimit()+"x", "hash",
-	).Error
-	require.Error(t, err)
-	assert.Contains(t, err.Error(), "CHECK constraint failed")
-}

internal/database/model_webhook.go

@@ -66,9 +66,8 @@ type Webhook struct {
 	// must equal DefaultRetentionDays.
 	RetentionDays int `gorm:"default:30" json:"retentionDays"`
 
-	// Relations. No model marshals the record it belongs to:
+	// Relations
-	// User.Webhooks leads back here, and the JSON could loop.
+	User        User         `json:"user,omitzero"`
-	User        User         `json:"-"`
 	Entrypoints []Entrypoint `json:"entrypoints,omitempty"`
 	Targets     []Target     `json:"targets,omitempty"`
 }

internal/database/models.go

@@ -2,8 +2,7 @@ package database
 
 // Migrate runs database migrations for the main application database.
 // Only configuration-tier models are stored in the main database.
-// Event-tier models (Event, Delivery, DeliveryResult, EventTotals,
+// Event-tier models (Event, Delivery, DeliveryResult) live in
-// TargetTotals) live in
 // per-webhook dedicated databases managed by WebhookDBManager.
 func (d *Database) Migrate() error {
 	return d.db.AutoMigrate(

internal/database/password.go

@@ -9,7 +9,6 @@ import (
 	"math/big"
 	"strings"
 	"sync"
-	"testing"
 
 	"golang.org/x/crypto/argon2"
 )
@@ -64,30 +63,10 @@ func DefaultPasswordConfig() *PasswordConfig {
 	}
 }
 
-// testArgon2Memory is the Argon2id memory cost, in KiB, that a test
+// HashPassword generates an Argon2id hash of the password
-// binary hashes with: 1 MB instead of the shipped 64 MB. Every test
-// that starts a database hashes the bootstrap admin password, dozens
-// of them run in parallel, and under the race detector each 64 MB hash
-// holds about 150 MB. VerifyPassword reads the cost from the hash it
-// checks, so verification follows.
-const testArgon2Memory = 1024
-
-// hashAtShippedCostInTest makes a test binary hash at the shipped
-// memory cost. Only TestHashPassword_ShippedParameters sets it.
-//
-//nolint:gochecknoglobals // set by one test, see above
-var hashAtShippedCostInTest bool
-
-// HashPassword generates an Argon2id hash of the password. A binary
-// built by go test hashes at testArgon2Memory; one built by go build
-// always hashes at the defaults.
 func HashPassword(password string) (string, error) {
 	config := DefaultPasswordConfig()
 
-	if testing.Testing() && !hashAtShippedCostInTest {
-		config.Memory = testArgon2Memory
-	}
-
 	// Generate a salt
 	salt := make([]byte, config.SaltLen)
 

internal/database/password_test.go

@@ -192,39 +192,6 @@ func TestHashPasswordUniqueness(t *testing.T) {
 	}
 }
 
-// TestHashPassword_ShippedParameters hashes and verifies through
-// HashPassword at the shipped Argon2id parameters. Every other test
-// hashes at the lower memory cost a test binary uses, so this is the
-// one that keeps production hashing covered. One hash and one
-// verification: each costs 64 MB.
-//
-//nolint:paralleltest // changes the hashing cost for the whole binary
-func TestHashPassword_ShippedParameters(t *testing.T) {
-	database.HashAtShippedCostForTest(t)
-
-	password := "correct horse battery staple"
-
-	hash, err := database.HashPassword(password)
-	if err != nil {
-		t.Fatalf("hashing with the shipped parameters: %v", err)
-	}
-
-	const shipped = "$argon2id$v=19$m=65536,t=1,p=4$"
-
-	if !strings.HasPrefix(hash, shipped) {
-		t.Errorf("hash = %q, want prefix %q", hash, shipped)
-	}
-
-	valid, err := database.VerifyPassword(password, hash)
-	if err != nil {
-		t.Fatalf("VerifyPassword() error = %v", err)
-	}
-
-	if !valid {
-		t.Error("VerifyPassword() returned false for correct password")
-	}
-}
-
 // TestVerifyDummyPassword_DoesRealWork covers the anti-enumeration
 // path. Login charges an unknown username a verification against a
 // dummy hash so that a nonexistent account is not answered in

internal/database/retention.go

@@ -18,19 +18,6 @@ import (
 // computation.
 const hoursPerDay = 24
 
-// reapBatchSize is how many expired events one retention transaction
-// deletes. A transaction holds the event database's write lock, which
-// the receiver and the delivery workers wait for, so a large prune is
-// split into transactions each short enough to finish well inside the
-// busy timeout.
-const reapBatchSize = 1000
-
-// reapBatchPause is how long retention waits after one batch before
-// starting the next. A writer waiting for the write lock checks for it
-// again after at most 100 ms, so a longer pause lets it in between two
-// batches instead of only after the whole prune.
-const reapBatchPause = 200 * time.Millisecond
-
 // RetentionReaperParams holds the fx dependencies for the
 // RetentionReaper.
 type RetentionReaperParams struct {
@@ -200,15 +187,13 @@ func (r *RetentionReaper) sweep(ctx context.Context) {
 			continue
 		}
 
-		r.reapWebhook(ctx, wh.ID, wh.RetentionDays)
+		r.reapWebhook(wh.ID, wh.RetentionDays)
 	}
 }
 
 // reapWebhook removes every expired event (and its dependents) from a
-// single webhook's database, or as many as it reaches before ctx is
+// single webhook's database.
-// cancelled.
 func (r *RetentionReaper) reapWebhook(
-	ctx context.Context,
 	webhookID string,
 	retentionDays int,
 ) {
@@ -228,7 +213,7 @@ func (r *RetentionReaper) reapWebhook(
 		return
 	}
 
-	deleted, err := reapExpired(ctx, db, cutoff)
+	deleted, err := reapExpired(db, cutoff)
 	if err != nil {
 		r.log.Error(
 			"retention sweep: failed to reap expired events",
@@ -280,107 +265,57 @@ func retentionCutoff(
 	), true
 }
 
-// reapExpired hard-deletes the events older than cutoff, with their
+// reapExpired hard-deletes, in foreign-key-safe order, the delivery
-// deliveries and delivery results, reapBatchSize events per
+// results, deliveries, and events associated with events older than
-// transaction with reapBatchPause between transactions, until none is
+// cutoff. Deletes are unscoped so rows are physically removed rather
-// left. Once ctx is cancelled it returns after the batch in hand,
+// than soft-deleted, reclaiming disk. It returns the number of events
-// leaving the rest to the next sweep, so stopping the app does not
+// deleted.
-// wait for a long prune. It returns the number of events deleted.
+func reapExpired(db *gorm.DB, cutoff time.Time) (int64, error) {
-func reapExpired(
+	// Fresh subqueries are built per statement to avoid reusing a
-	ctx context.Context, db *gorm.DB, cutoff time.Time,
+	// mutated builder across executions.
-) (int64, error) {
+	expiredEventIDs := func() *gorm.DB {
-	var total int64
+		return db.Model(&Event{}).
-
-	for {
-		var eventIDs []string
-
-		err := db.Transaction(func(tx *gorm.DB) error {
-			err := tx.Unscoped().Model(&Event{}).
-				Where("created_at < ?", cutoff).
-				Limit(reapBatchSize).
-				Pluck("id", &eventIDs).Error
-			if err != nil {
-				return fmt.Errorf("selecting expired events: %w", err)
-			}
-
-			if len(eventIDs) == 0 {
-				return nil
-			}
-
-			return deleteEvents(tx, eventIDs)
-		})
-		if err != nil {
-			return total, err
-		}
-
-		total += int64(len(eventIDs))
-
-		if len(eventIDs) < reapBatchSize {
-			return total, nil
-		}
-
-		select {
-		case <-ctx.Done():
-			return total, nil
-		case <-time.After(reapBatchPause):
-		}
-	}
-}
-
-// deleteEvents hard-deletes the given events and, in foreign-key-safe
-// order before them, their delivery results and deliveries, then adds
-// what it deleted to the running totals. It runs on reapExpired's
-// transaction, so the totals change exactly when the rows do. Deletes
-// are unscoped so rows are physically removed rather than
-// soft-deleted, reclaiming disk.
-func deleteEvents(tx *gorm.DB, eventIDs []string) error {
-	// 1. The delivery results of the events' deliveries.
-	err := tx.Unscoped().
-		Where("delivery_id IN (?)", tx.Unscoped().Model(&Delivery{}).
 			Select("id").
-			Where("event_id IN ?", eventIDs)).
+			Where("created_at < ?", cutoff)
-		Delete(&DeliveryResult{}).Error
+	}
-	if err != nil {
+	expiredDeliveryIDs := func() *gorm.DB {
-		return fmt.Errorf("deleting expired delivery results: %w", err)
+		return db.Model(&Delivery{}).
+			Select("id").
+			Where("event_id IN (?)", expiredEventIDs())
 	}
 
-	// 2. The events' deliveries, after counting them, and the failed
+	// 1. Delivery results whose delivery belongs to an expired event.
-	// ones among them, per target. The status is tested in the select
+	res := db.Unscoped().
-	// list rather than the WHERE clause: there, SQLite would read every
+		Where("delivery_id IN (?)", expiredDeliveryIDs()).
-	// failed delivery the webhook has through the status index,
+		Delete(&DeliveryResult{})
-	// instead of only these through the event_id index.
+	if res.Error != nil {
-	var removed []TargetTotals
+		return 0, fmt.Errorf(
-
+			"deleting expired delivery results: %w",
-	err = tx.Unscoped().Model(&Delivery{}).
+			res.Error,
-		Select("target_id, count(*) AS deliveries_removed, "+
+		)
-			"count(CASE WHEN status = ? THEN 1 END) AS failed_removed",
-			DeliveryStatusFailed).
-		Where("event_id IN ?", eventIDs).
-		Group("target_id").
-		Find(&removed).Error
-	if err != nil {
-		return fmt.Errorf("counting expired deliveries: %w", err)
 	}
 
-	err = tx.Unscoped().
+	// 2. Deliveries belonging to an expired event.
-		Where("event_id IN ?", eventIDs).
+	del := db.Unscoped().
-		Delete(&Delivery{}).Error
+		Where("event_id IN (?)", expiredEventIDs()).
-	if err != nil {
+		Delete(&Delivery{})
-		return fmt.Errorf("deleting expired deliveries: %w", err)
+	if del.Error != nil {
+		return 0, fmt.Errorf(
+			"deleting expired deliveries: %w",
+			del.Error,
+		)
 	}
 
-	// 3. The events themselves.
+	// 3. The expired events themselves.
-	ev := tx.Unscoped().Where("id IN ?", eventIDs).Delete(&Event{})
+	ev := db.Unscoped().
+		Where("created_at < ?", cutoff).
+		Delete(&Event{})
 	if ev.Error != nil {
-		return fmt.Errorf("deleting expired events: %w", ev.Error)
+		return 0, fmt.Errorf(
+			"deleting expired events: %w",
+			ev.Error,
+		)
 	}
 
-	for i := range removed {
+	return ev.RowsAffected, nil
-		err = AddTargetTotals(tx, removed[i])
-		if err != nil {
-			return err
-		}
-	}
-
-	return AddEventTotals(tx, EventTotals{EventsRemoved: ev.RowsAffected})
 }

internal/database/totals_test.go

@@ -1,410 +0,0 @@
-package database_test
-
-import (
-	"context"
-	"net/http"
-	"testing"
-	"time"
-
-	"github.com/google/uuid"
-	"github.com/stretchr/testify/assert"
-	"github.com/stretchr/testify/require"
-	"gorm.io/gorm"
-	"sneak.berlin/go/webhooker/internal/database"
-)
-
-// readEventTotals reads a webhook database's row of event totals,
-// asserting that it has exactly one.
-func readEventTotals(t *testing.T, db *gorm.DB) database.EventTotals {
-	t.Helper()
-
-	var rows []database.EventTotals
-
-	require.NoError(t, db.Find(&rows).Error)
-	require.Len(t, rows, 1)
-
-	return rows[0]
-}
-
-// readTargetTotals reads a webhook database's target totals, keyed by
-// target.
-func readTargetTotals(
-	t *testing.T, db *gorm.DB,
-) map[string]database.TargetTotals {
-	t.Helper()
-
-	var rows []database.TargetTotals
-
-	require.NoError(t, db.Find(&rows).Error)
-
-	byTarget := make(map[string]database.TargetTotals, len(rows))
-	for _, row := range rows {
-		byTarget[row.TargetID] = row
-	}
-
-	return byTarget
-}
-
-// TestWebhookDBManager_TotalsSurviveReopen verifies that a new event
-// database starts with one row of zero event totals and no target
-// totals, that adding to a target twice adds to the one row, and that
-// opening the database again keeps everything added.
-func TestWebhookDBManager_TotalsSurviveReopen(t *testing.T) {
-	t.Parallel()
-
-	mgr, lc := setupTestWebhookDBManager(t)
-	ctx := context.Background()
-	require.NoError(t, lc.Start(ctx))
-
-	defer func() { require.NoError(t, lc.Stop(ctx)) }()
-
-	webhookID := uuid.New().String()
-
-	db, err := mgr.GetDB(webhookID)
-	require.NoError(t, err)
-
-	fresh := readEventTotals(t, db)
-	assert.Equal(t, database.EventTotals{ID: fresh.ID}, fresh)
-	assert.Empty(t, readTargetTotals(t, db))
-
-	first, second := uuid.New().String(), uuid.New().String()
-
-	require.NoError(t, database.AddEventTotals(db, database.EventTotals{
-		Events: 2,
-	}))
-	require.NoError(t, database.AddTargetTotals(db, database.TargetTotals{
-		TargetID: first, Deliveries: 2, Delivered: 1,
-	}))
-	require.NoError(t, database.AddTargetTotals(db, database.TargetTotals{
-		TargetID: first, Failed: 1,
-	}))
-	require.NoError(t, database.AddTargetTotals(db, database.TargetTotals{
-		TargetID: second, Deliveries: 1,
-	}))
-
-	// Drop the cached connection so the next open reopens the file,
-	// as a restart would.
-	require.NoError(t, mgr.CloseAll())
-
-	db, err = mgr.GetDB(webhookID)
-	require.NoError(t, err)
-
-	assert.Equal(t, database.EventTotals{ID: fresh.ID, Events: 2},
-		readEventTotals(t, db))
-	assert.Equal(t, map[string]database.TargetTotals{
-		first: {
-			TargetID: first, Deliveries: 2, Delivered: 1, Failed: 1,
-		},
-		second: {TargetID: second, Deliveries: 1},
-	}, readTargetTotals(t, db))
-}
-
-// seedExpiredEvents stores count events created at the given time,
-// each with a delivered delivery to one target and a failed delivery
-// to the other, and one attempt for each delivery.
-func seedExpiredEvents(
-	t *testing.T,
-	db *gorm.DB,
-	webhookID string,
-	count int,
-	createdAt time.Time,
-	delivered, failed string,
-) {
-	t.Helper()
-
-	events := make([]database.Event, count)
-	deliveries := make([]database.Delivery, 0, 2*count)
-
-	for i := range events {
-		events[i] = database.Event{
-			WebhookID:    webhookID,
-			EntrypointID: uuid.New().String(),
-			Method:       http.MethodPost,
-		}
-		events[i].ID = uuid.New().String()
-		events[i].CreatedAt = createdAt
-
-		deliveries = append(deliveries,
-			database.Delivery{
-				EventID:  events[i].ID,
-				TargetID: delivered,
-				Status:   database.DeliveryStatusDelivered,
-			},
-			database.Delivery{
-				EventID:  events[i].ID,
-				TargetID: failed,
-				Status:   database.DeliveryStatusFailed,
-			},
-		)
-	}
-
-	require.NoError(t, db.CreateInBatches(events, 500).Error)
-	require.NoError(t, db.CreateInBatches(deliveries, 500).Error)
-
-	results := make([]database.DeliveryResult, len(deliveries))
-	for i := range deliveries {
-		results[i] = database.DeliveryResult{
-			DeliveryID: deliveries[i].ID, AttemptNum: 1,
-		}
-	}
-
-	require.NoError(t, db.CreateInBatches(results, 500).Error)
-}
-
-// seedBareEvents stores count events created at the given time, with
-// no deliveries.
-func seedBareEvents(
-	t *testing.T,
-	db *gorm.DB,
-	webhookID string,
-	count int,
-	createdAt time.Time,
-) {
-	t.Helper()
-
-	events := make([]database.Event, count)
-	for i := range events {
-		events[i] = database.Event{
-			WebhookID:    webhookID,
-			EntrypointID: uuid.New().String(),
-			Method:       http.MethodPost,
-		}
-		events[i].CreatedAt = createdAt
-	}
-
-	require.NoError(t, db.CreateInBatches(events, 500).Error)
-}
-
-// TestRetentionReaper_PrunesMoreThanOneBatch verifies that a prune
-// larger than one transaction's batch removes every expired event with
-// its deliveries and delivery results, keeps the recent event, and
-// adds what it removed to the event and target totals, so the totals
-// within retention match the rows still stored.
-func TestRetentionReaper_PrunesMoreThanOneBatch(t *testing.T) {
-	t.Parallel()
-
-	env := setupRetentionTest(t)
-
-	webhookID := createWebhook(t, env.mainDB.DB(), 30)
-
-	db, err := env.mgr.GetDB(webhookID)
-	require.NoError(t, err)
-
-	expired := database.ExportReapBatchSize + 1
-	delivered, failed := uuid.New().String(), uuid.New().String()
-	seedExpiredEvents(t, db, webhookID, expired,
-		time.Now().Add(-40*24*time.Hour), delivered, failed)
-
-	// One recent event, delivered to the first target.
-	recent := seedEventChain(t, db, webhookID, time.Now())
-	require.NoError(t, db.Model(&database.Delivery{}).
-		Where("id = ?", recent.deliveryID).
-		Update("target_id", delivered).Error)
-
-	// The totals storing those rows would have left.
-	n := int64(expired)
-	require.NoError(t, database.AddEventTotals(db, database.EventTotals{
-		Events: n + 1,
-	}))
-	require.NoError(t, database.AddTargetTotals(db, database.TargetTotals{
-		TargetID: delivered, Deliveries: n + 1, Delivered: n + 1,
-	}))
-	require.NoError(t, database.AddTargetTotals(db, database.TargetTotals{
-		TargetID: failed, Deliveries: n, Failed: n,
-	}))
-
-	env.reaper.ExportSweep(context.Background())
-
-	// Only the recent event's rows are left.
-	for _, model := range []any{
-		&database.Event{}, &database.Delivery{}, &database.DeliveryResult{},
-	} {
-		var count int64
-
-		require.NoError(t, db.Model(model).Count(&count).Error)
-		assert.Equal(t, int64(1), count, "%T rows left", model)
-	}
-
-	assertChainPresent(t, db, recent)
-
-	eventTotals := readEventTotals(t, db)
-	assert.Equal(t, database.EventTotals{
-		ID: eventTotals.ID, Events: n + 1, EventsRemoved: n,
-	}, eventTotals)
-
-	targetTotals := readTargetTotals(t, db)
-	assert.Equal(t, map[string]database.TargetTotals{
-		delivered: {
-			TargetID: delivered, Deliveries: n + 1, Delivered: n + 1,
-			DeliveriesRemoved: n,
-		},
-		failed: {
-			TargetID: failed, Deliveries: n, Failed: n,
-			DeliveriesRemoved: n, FailedRemoved: n,
-		},
-	}, targetTotals)
-
-	// A sweep with nothing left to remove changes nothing.
-	env.reaper.ExportSweep(context.Background())
-
-	assert.Equal(t, eventTotals, readEventTotals(t, db))
-	assert.Equal(t, targetTotals, readTargetTotals(t, db))
-}
-
-// TestRetentionReaper_WriteDuringPruneSucceeds verifies that a prune
-// of several batches lets other writers in between its batches: an
-// event stored once the first batch is deleted is stored while expired
-// events are still left, not only after the prune has finished.
-func TestRetentionReaper_WriteDuringPruneSucceeds(t *testing.T) {
-	t.Parallel()
-
-	env := setupRetentionTest(t)
-
-	webhookID := createWebhook(t, env.mainDB.DB(), 30)
-
-	db, err := env.mgr.GetDB(webhookID)
-	require.NoError(t, err)
-
-	// Three batches of expired events, with nothing else stored: only
-	// the number of batches matters here.
-	expired := 3 * database.ExportReapBatchSize
-	seedBareEvents(t, db, webhookID, expired,
-		time.Now().Add(-40*24*time.Hour))
-
-	cutoff := time.Now().Add(-30 * 24 * time.Hour)
-	countExpired := func() int64 {
-		var count int64
-
-		require.NoError(t, db.Model(&database.Event{}).
-			Where("created_at < ?", cutoff).
-			Count(&count).Error)
-
-		return count
-	}
-
-	pruned := make(chan struct{})
-
-	go func() {
-		defer close(pruned)
-
-		env.reaper.ExportSweep(context.Background())
-	}()
-
-	t.Cleanup(func() { <-pruned })
-
-	// Every stored event is expired until the write below.
-	require.Eventually(t, func() bool {
-		var count int64
-
-		err := db.Model(&database.Event{}).Count(&count).Error
-
-		return err == nil && count < int64(expired)
-	}, 10*time.Second, 10*time.Millisecond)
-
-	event := &database.Event{
-		WebhookID:    webhookID,
-		EntrypointID: uuid.New().String(),
-		Method:       http.MethodPost,
-	}
-	require.NoError(t, db.Create(event).Error)
-
-	assert.Positive(t, countExpired(),
-		"the event was stored only after the whole prune")
-
-	<-pruned
-
-	assert.Zero(t, countExpired())
-
-	var stored database.Event
-
-	require.NoError(t, db.First(&stored, "id = ?", event.ID).Error)
-}
-
-// TestRetentionReaper_StopDuringPruneLeavesTheRest verifies that
-// stopping the reaper during a prune of several batches returns
-// between two batches, well inside the stop timeout, leaving the
-// remaining expired events for the next sweep, and that the totals
-// match the rows left.
-func TestRetentionReaper_StopDuringPruneLeavesTheRest(t *testing.T) {
-	t.Parallel()
-
-	env := setupRetentionTest(t)
-
-	webhookID := createWebhook(t, env.mainDB.DB(), 30)
-
-	db, err := env.mgr.GetDB(webhookID)
-	require.NoError(t, err)
-
-	// Two batches and one more of expired events, a few of them with a
-	// delivered and a failed delivery for the target totals to count.
-	// Most carry nothing else, to keep the test quick.
-	const withDeliveries = 10
-
-	expiredAt := time.Now().Add(-40 * 24 * time.Hour)
-	delivered, failed := uuid.New().String(), uuid.New().String()
-	seedExpiredEvents(t, db, webhookID, withDeliveries, expiredAt,
-		delivered, failed)
-	seedBareEvents(t, db, webhookID,
-		2*database.ExportReapBatchSize+1-withDeliveries, expiredAt)
-
-	n := int64(2*database.ExportReapBatchSize + 1)
-	require.NoError(t, database.AddEventTotals(db, database.EventTotals{
-		Events: n,
-	}))
-	require.NoError(t, database.AddTargetTotals(db, database.TargetTotals{
-		TargetID: delivered, Deliveries: withDeliveries,
-		Delivered: withDeliveries,
-	}))
-	require.NoError(t, database.AddTargetTotals(db, database.TargetTotals{
-		TargetID: failed, Deliveries: withDeliveries,
-		Failed: withDeliveries,
-	}))
-
-	env.reaper.ExportSetInterval(time.Millisecond)
-	env.reaper.ExportStart()
-
-	// Stop once the first batch is deleted. The stop lands in the pause
-	// after it, or at worst during the second batch, so at least the
-	// last event is left.
-	require.Eventually(t, func() bool {
-		var count int64
-
-		err := db.Model(&database.Event{}).Count(&count).Error
-
-		return err == nil && count < n
-	}, 10*time.Second, 10*time.Millisecond)
-
-	// The app's stop timeout.
-	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
-	defer cancel()
-
-	require.NoError(t, env.reaper.ExportStop(ctx))
-
-	var events int64
-
-	require.NoError(t, db.Model(&database.Event{}).Count(&events).Error)
-	assert.Positive(t, events, "the stop waited for the whole prune")
-
-	eventTotals := readEventTotals(t, db)
-	assert.Equal(t, events, eventTotals.Events-eventTotals.EventsRemoved)
-
-	targetTotals := readTargetTotals(t, db)
-	require.Len(t, targetTotals, 2)
-
-	for target, totals := range targetTotals {
-		var deliveries, failures int64
-
-		require.NoError(t, db.Model(&database.Delivery{}).
-			Where("target_id = ?", target).
-			Count(&deliveries).Error)
-		require.NoError(t, db.Model(&database.Delivery{}).
-			Where("target_id = ? AND status = ?",
-				target, database.DeliveryStatusFailed).
-			Count(&failures).Error)
-
-		assert.Equal(t, deliveries,
-			totals.Deliveries-totals.DeliveriesRemoved, target)
-		assert.Equal(t, failures, totals.Failed-totals.FailedRemoved,
-			target)
-	}
-}

internal/database/webhook_db_manager.go

@@ -35,8 +35,7 @@ var errInvalidCachedDBType = errors.New(
 
 // WebhookDBManager manages per-webhook SQLite database files
 // for event storage. Each webhook gets its own dedicated
-// database containing Events, Deliveries, DeliveryResults and the
+// database containing Events, Deliveries, and DeliveryResults.
-// running totals of them (EventTotals, TargetTotals).
 // Database connections are opened lazily and cached.
 type WebhookDBManager struct {
 	dataDir string
@@ -296,7 +295,6 @@ func (m *WebhookDBManager) openDB(
 	// Run migrations for event-tier models only
 	err = db.AutoMigrate(
 		&Event{}, &Delivery{}, &DeliveryResult{},
-		&EventTotals{}, &TargetTotals{},
 	)
 	if err != nil {
 		_ = sqlDB.Close()
@@ -307,18 +305,6 @@ func (m *WebhookDBManager) openDB(
 		)
 	}
 
-	// A new database gets its row of event totals, all zero. Target
-	// totals rows are created by the first delivery to each target.
-	err = db.FirstOrCreate(&EventTotals{}).Error
-	if err != nil {
-		_ = sqlDB.Close()
-
-		return nil, fmt.Errorf(
-			"creating event totals for webhook database %s: %w",
-			webhookID, err,
-		)
-	}
-
 	m.log.Info(
 		"opened per-webhook database",
 		"webhook_id", webhookID,

internal/delivery/archive_sweeper.go

@@ -8,7 +8,6 @@ import (
 	"time"
 
 	"go.uber.org/fx"
-	"gorm.io/gorm"
 	"sneak.berlin/go/webhooker/internal/config"
 	"sneak.berlin/go/webhooker/internal/database"
 	"sneak.berlin/go/webhooker/internal/lifecycle"
@@ -26,14 +25,14 @@ type ArchiveSweeperParams struct {
 	Logger   *logger.Logger
 }
 
-// ArchiveSweeper periodically prunes expired rows from the
+// ArchiveSweeper periodically prunes expired rows from
-// archive databases of database targets that carry a positive
+// per-webhook archive databases whose database target carries a
-// expiry.
+// positive expiry.
 //
 // Without it, pruning happens only when an archive is
 // (re)opened, and archives are only ever reopened by writes: an
-// archive whose target has stopped receiving events would keep
+// archive belonging to a webhook that has stopped receiving
-// its expired rows forever. The sweep closes
+// events would keep its expired rows forever. The sweep closes
 // that gap without changing anything for archives whose expiry
 // is unset or "never".
 //
@@ -156,7 +155,7 @@ func (s *ArchiveSweeper) run(ctx context.Context) {
 // soft-deleted along with it, so GORM's default scope already
 // excludes them.
 //
-// A failure for one target is logged and the sweep continues,
+// A failure for one webhook is logged and the sweep continues,
 // matching how the write path already treats a prune error as
 // non-fatal.
 func (s *ArchiveSweeper) sweep(ctx context.Context) {
@@ -211,20 +210,19 @@ func (s *ArchiveSweeper) sweepTarget(target *database.Target) {
 		return
 	}
 
-	err = s.eng.dbTarget.sweepArchive(target.ID, expiry)
+	err = s.eng.dbTarget.sweepWebhook(target.WebhookID, expiry)
 	if err == nil {
 		return
 	}
 
-	// A writer evicted, or a target row gone, underneath the sweep
+	// A writer evicted underneath the sweep means the operator
-	// means the operator deleted the target or its webhook while
+	// deleted the webhook (or its last database target) while the
-	// the sweep was walking the target list. That is an ordinary
+	// sweep was walking the target list. That is an ordinary
 	// interleaving, not a failure, so it must not produce an
 	// error line.
-	if errors.Is(err, errArchiveWriterEvicted) ||
+	if errors.Is(err, errArchiveWriterEvicted) {
-		errors.Is(err, gorm.ErrRecordNotFound) {
 		s.log.Debug(
-			"archive sweep: target deleted mid-sweep",
+			"archive sweep: writer evicted mid-sweep",
 			"webhook_id", target.WebhookID,
 			"target_id", target.ID,
 		)

internal/delivery/archive_sweeper_test.go

@@ -34,23 +34,18 @@ const (
 	sweepConcurrentWrites = 20
 )
 
-// archiveTestWebhookName is the name of every webhook
+// sweeperEnv bundles the pieces an archive sweep test drives:
-// seedDatabaseTarget creates. It is not safe in a file name as it
+// a main configuration database holding webhooks and targets, a
-// stands, so every archive test goes through archiveNamePart.
+// delivery engine owning the archive writer registry, and the
-const archiveTestWebhookName = "Sweep Test!"
+// data directory the archive files live in.
-
+type sweeperEnv struct {
-// archiveEnv bundles the pieces an archive test drives: a main
-// configuration database holding webhooks and targets, a delivery
-// engine owning the archive writer registry, the archive sweeper,
-// and the data directory the archive files live in.
-type archiveEnv struct {
 	sweeper *delivery.ArchiveSweeper
 	eng     *delivery.Engine
 	mainDB  *database.Database
 	dataDir string
 }
 
-func setupArchiveTest(t *testing.T) *archiveEnv {
+func setupSweeperTest(t *testing.T) *sweeperEnv {
 	t.Helper()
 
 	dataDir := t.TempDir()
@@ -83,7 +78,7 @@ func setupArchiveTest(t *testing.T) *archiveEnv {
 		1,
 	)
 
-	return &archiveEnv{
+	return &sweeperEnv{
 		sweeper: delivery.NewTestArchiveSweeper(
 			mainDB, eng, log,
 		),
@@ -93,27 +88,25 @@ func setupArchiveTest(t *testing.T) *archiveEnv {
 	}
 }
 
-// archivePath returns where the engine keeps a database target's
+// archivePath returns where the engine keeps a webhook's
-// archive file, for the names seedDatabaseTarget gave it.
+// archive file.
-func (env *archiveEnv) archivePath(tgt *database.Target) string {
+func (env *sweeperEnv) archivePath(webhookID string) string {
 	return filepath.Join(
-		env.dataDir,
+		env.dataDir, fmt.Sprintf("archive-%s.db", webhookID),
-		delivery.ArchiveFileName(
-			archiveTestWebhookName, tgt.Name, tgt.ID,
-		),
 	)
 }
 
 // seedDatabaseTarget creates a webhook with one database target
-// carrying the given target config JSON, and returns the target.
+// carrying the given target config JSON, and returns the
-func (env *archiveEnv) seedDatabaseTarget(
+// webhook id.
+func (env *sweeperEnv) seedDatabaseTarget(
 	t *testing.T, configJSON string,
-) *database.Target {
+) string {
 	t.Helper()
 
 	wh := &database.Webhook{
 		UserID: uuid.New().String(),
-		Name:   archiveTestWebhookName,
+		Name:   "sweep-test",
 	}
 	require.NoError(
 		t,
@@ -122,19 +115,9 @@ func (env *archiveEnv) seedDatabaseTarget(
 			Create(wh).Error,
 	)
 
-	return env.addDatabaseTarget(t, wh.ID, configJSON)
-}
-
-// addDatabaseTarget creates one more database target on an
-// existing webhook and returns it.
-func (env *archiveEnv) addDatabaseTarget(
-	t *testing.T, webhookID, configJSON string,
-) *database.Target {
-	t.Helper()
-
 	tgt := &database.Target{
-		WebhookID: webhookID,
+		WebhookID: wh.ID,
-		Name:      "Archive",
+		Name:      "archive",
 		Type:      database.TargetTypeDatabase,
 		Active:    true,
 		Config:    configJSON,
@@ -146,19 +129,19 @@ func (env *archiveEnv) addDatabaseTarget(
 			Create(tgt).Error,
 	)
 
-	return tgt
+	return wh.ID
 }
 
-// seedArchiveRows creates the archive file for a target and
+// seedArchiveRows creates the archive file for a webhook and
 // inserts one row per supplied archived-at timestamp, returning
 // the archive path. The handle is closed before returning, so
 // the archive is idle exactly as it would be with no traffic.
-func (env *archiveEnv) seedArchiveRows(
+func (env *sweeperEnv) seedArchiveRows(
-	t *testing.T, tgt *database.Target, archivedAt ...time.Time,
+	t *testing.T, webhookID string, archivedAt ...time.Time,
 ) string {
 	t.Helper()
 
-	path := env.archivePath(tgt)
+	path := env.archivePath(webhookID)
 
 	sqlDB, err := sql.Open(
 		"sqlite", fmt.Sprintf("file:%s?mode=rwc", path),
@@ -177,7 +160,7 @@ func (env *archiveEnv) seedArchiveRows(
 	for i, at := range archivedAt {
 		row := delivery.ExportArchivedEvent{
 			EventID:    fmt.Sprintf("ev-%d", i),
-			WebhookID:  tgt.WebhookID,
+			WebhookID:  webhookID,
 			Method:     http.MethodPost,
 			Body:       `{"seeded":true}`,
 			ArchivedAt: at,
@@ -260,13 +243,13 @@ func TestArchiveSweeper_LoopOutlivesStartHookContext(
 ) {
 	t.Parallel()
 
-	env := setupArchiveTest(t)
+	env := setupSweeperTest(t)
 
-	tgt := env.seedDatabaseTarget(t, `{"expiry":"1h"}`)
+	webhookID := env.seedDatabaseTarget(t, `{"expiry":"1h"}`)
 
 	now := time.Now()
 	path := env.seedArchiveRows(
-		t, tgt,
+		t, webhookID,
 		now.Add(-48*time.Hour),
 		now.Add(-time.Minute),
 	)
@@ -304,60 +287,60 @@ func TestArchiveSweeper_LoopOutlivesStartHookContext(
 }
 
 // TestArchiveSweep_DoesNotResurrectEvictedWriter covers the
-// interleaving where a sweep tick has already listed a target
+// interleaving where a sweep tick has already listed a webhook's
-// when the target is deleted and its writer evicted. The sweep
+// target when the webhook is deleted and its writer evicted. The
-// must not put a writer back into the registry: nothing would
+// sweep must not put a writer back into the registry: nothing
-// ever evict it again, which is precisely the leak this change
+// would ever evict it again, which is precisely the leak this
-// exists to close.
+// change exists to close.
 func TestArchiveSweep_DoesNotResurrectEvictedWriter(
 	t *testing.T,
 ) {
 	t.Parallel()
 
-	env := setupArchiveTest(t)
+	env := setupSweeperTest(t)
 
-	tgt := env.seedDatabaseTarget(t, `{"expiry":"1h"}`)
+	webhookID := env.seedDatabaseTarget(t, `{"expiry":"1h"}`)
 	env.seedArchiveRows(
-		t, tgt, time.Now().Add(-48*time.Hour),
+		t, webhookID, time.Now().Add(-48*time.Hour),
 	)
 
 	// Prime the registry the way a delivery would, then evict as
 	// the deletion path does. The target row is deliberately left
-	// in place: this is the tick that listed the target before
+	// in place: this is the tick that listed the webhook before
 	// the deletion committed.
-	_, err := env.eng.ExportEnsureArchiveWriter(tgt.ID)
+	_, err := env.eng.ExportEnsureArchiveWriter(webhookID)
 	require.NoError(t, err)
 
-	env.eng.EvictTarget(tgt.ID)
+	env.eng.EvictWebhook(webhookID)
-	require.False(t, env.eng.ExportHasArchiveWriter(tgt.ID))
+	require.False(t, env.eng.ExportHasArchiveWriter(webhookID))
 
 	env.sweeper.ExportSweep(context.Background())
 
 	assert.False(
-		t, env.eng.ExportHasArchiveWriter(tgt.ID),
+		t, env.eng.ExportHasArchiveWriter(webhookID),
-		"a sweep must never re-register a writer for a target "+
+		"a sweep must never re-register a writer for a webhook "+
 			"whose registry entry has already been released",
 	)
 }
 
 // TestArchiveSweep_LeavesNoRegistryEntry states the same
 // invariant in its general form: sweeping an archive whose
-// target has no cached writer must not leave one behind, so the
+// webhook has no cached writer must not leave one behind, so the
 // registry keeps holding only writers a delivery created and an
 // eviction can reach.
 func TestArchiveSweep_LeavesNoRegistryEntry(t *testing.T) {
 	t.Parallel()
 
-	env := setupArchiveTest(t)
+	env := setupSweeperTest(t)
 
-	tgt := env.seedDatabaseTarget(t, `{"expiry":"1h"}`)
+	webhookID := env.seedDatabaseTarget(t, `{"expiry":"1h"}`)
 	path := env.seedArchiveRows(
-		t, tgt,
+		t, webhookID,
 		time.Now().Add(-48*time.Hour),
 		time.Now().Add(-time.Minute),
 	)
 
-	require.False(t, env.eng.ExportHasArchiveWriter(tgt.ID))
+	require.False(t, env.eng.ExportHasArchiveWriter(webhookID))
 
 	env.sweeper.ExportSweep(context.Background())
 
@@ -366,7 +349,7 @@ func TestArchiveSweep_LeavesNoRegistryEntry(t *testing.T) {
 		"the sweep must still prune an idle archive",
 	)
 	assert.False(
-		t, env.eng.ExportHasArchiveWriter(tgt.ID),
+		t, env.eng.ExportHasArchiveWriter(webhookID),
 		"the sweep must release the registry entry it created",
 	)
 }
@@ -381,31 +364,34 @@ func TestArchiveSweep_KeepsWriterAdoptedByDelivery(
 ) {
 	t.Parallel()
 
-	env := setupArchiveTest(t)
+	env := setupSweeperTest(t)
 
-	tgt := env.seedDatabaseTarget(t, `{"expiry":"1h"}`)
+	webhookID := env.seedDatabaseTarget(t, `{"expiry":"1h"}`)
 	env.seedArchiveRows(
-		t, tgt, time.Now().Add(-48*time.Hour),
+		t, webhookID, time.Now().Add(-48*time.Hour),
 	)
 
 	webhookDB := testWebhookDB(t)
 	event := seedEvent(t, webhookDB, `{"n":1}`)
-	d := seedDatabaseTargetDelivery(t, webhookDB, event, tgt)
+	event.WebhookID = webhookID
+	d := seedDatabaseTargetDelivery(
+		t, webhookDB, event, `{"expiry":"1h"}`,
+	)
 
 	env.sweeper.ExportSweep(context.Background())
-	require.False(t, env.eng.ExportHasArchiveWriter(tgt.ID))
+	require.False(t, env.eng.ExportHasArchiveWriter(webhookID))
 
 	env.eng.ExportDeliverDatabase(webhookDB, d)
 
 	assert.True(
-		t, env.eng.ExportHasArchiveWriter(tgt.ID),
+		t, env.eng.ExportHasArchiveWriter(webhookID),
 		"a delivery's writer must stay registered",
 	)
 
 	env.sweeper.ExportSweep(context.Background())
 
 	assert.True(
-		t, env.eng.ExportHasArchiveWriter(tgt.ID),
+		t, env.eng.ExportHasArchiveWriter(webhookID),
 		"a sweep must not drop a writer a delivery owns",
 	)
 }
@@ -437,15 +423,15 @@ func TestArchiveSweep_KeepsWriterAdoptedDuringSweep(
 ) {
 	t.Parallel()
 
-	env := setupArchiveTest(t)
+	env := setupSweeperTest(t)
 
-	tgt := env.seedDatabaseTarget(t, `{"expiry":"1h"}`)
+	webhookID := env.seedDatabaseTarget(t, `{"expiry":"1h"}`)
 	env.seedArchiveRows(
-		t, tgt, time.Now().Add(-48*time.Hour),
+		t, webhookID, time.Now().Add(-48*time.Hour),
 	)
 
 	sweepWriter, created, err := env.eng.ExportSweepWriterFor(
-		tgt.ID,
+		webhookID,
 	)
 	require.NoError(t, err)
 	require.True(
@@ -456,34 +442,37 @@ func TestArchiveSweep_KeepsWriterAdoptedDuringSweep(
 	// The delivery lands mid-sweep and adopts the entry.
 	webhookDB := testWebhookDB(t)
 	event := seedEvent(t, webhookDB, `{"n":1}`)
-	d := seedDatabaseTargetDelivery(t, webhookDB, event, tgt)
+	event.WebhookID = webhookID
+	d := seedDatabaseTargetDelivery(
+		t, webhookDB, event, `{"expiry":"1h"}`,
+	)
 
 	env.eng.ExportDeliverDatabase(webhookDB, d)
 
-	adopted := env.eng.ExportArchiveWriterFor(tgt.ID)
+	adopted := env.eng.ExportArchiveWriterFor(webhookID)
 	require.NotNil(t, adopted)
 	require.True(
 		t, sweepWriter.Same(adopted),
 		"the delivery must have adopted the sweep's writer",
 	)
 	require.True(
-		t, env.eng.ExportArchiveHandleOpen(tgt.ID),
+		t, env.eng.ExportArchiveHandleOpen(webhookID),
 		"the delivery leaves the archive handle open",
 	)
 
 	// The sweep finishes.
-	env.eng.ExportReleaseSweepWriter(tgt.ID, sweepWriter)
+	env.eng.ExportReleaseSweepWriter(webhookID, sweepWriter)
 
 	require.True(
-		t, env.eng.ExportHasArchiveWriter(tgt.ID),
+		t, env.eng.ExportHasArchiveWriter(webhookID),
 		"a writer adopted by a delivery during a sweep must "+
 			"stay registered, or its open handle is unreachable",
 	)
 
-	env.eng.EvictTarget(tgt.ID)
+	env.eng.EvictWebhook(webhookID)
 
 	assert.False(
-		t, env.eng.ExportHasArchiveWriter(tgt.ID),
+		t, env.eng.ExportHasArchiveWriter(webhookID),
 		"the adopted writer must still be evictable",
 	)
 	assert.False(
@@ -492,34 +481,34 @@ func TestArchiveSweep_KeepsWriterAdoptedDuringSweep(
 	)
 }
 
-// TestArchiveSweep_ContinuesAfterPerTargetFailure proves a
+// TestArchiveSweep_ContinuesAfterPerWebhookFailure proves a
-// failure for one target does not abort the sweep for the
+// failure for one webhook does not abort the sweep for the
 // others: an unparseable expiry and an unreadable archive both
 // have to be logged and stepped over.
-func TestArchiveSweep_ContinuesAfterPerTargetFailure(
+func TestArchiveSweep_ContinuesAfterPerWebhookFailure(
 	t *testing.T,
 ) {
 	t.Parallel()
 
-	env := setupArchiveTest(t)
+	env := setupSweeperTest(t)
 
 	// Seeded first so the sweep reaches them before the healthy
-	// target: targets come back in insertion order.
+	// webhook: targets come back in insertion order.
-	badConfig := env.seedDatabaseTarget(t, `{"expiry":"!!!"}`)
+	badConfigID := env.seedDatabaseTarget(t, `{"expiry":"!!!"}`)
 	env.seedArchiveRows(
-		t, badConfig, time.Now().Add(-48*time.Hour),
+		t, badConfigID, time.Now().Add(-48*time.Hour),
 	)
 
-	corrupt := env.seedDatabaseTarget(t, `{"expiry":"1h"}`)
+	corruptID := env.seedDatabaseTarget(t, `{"expiry":"1h"}`)
 	require.NoError(t, os.WriteFile(
-		env.archivePath(corrupt),
+		env.archivePath(corruptID),
 		[]byte("this is not a sqlite database"),
 		0o600,
 	))
 
-	healthy := env.seedDatabaseTarget(t, `{"expiry":"1h"}`)
+	healthyID := env.seedDatabaseTarget(t, `{"expiry":"1h"}`)
 	healthyPath := env.seedArchiveRows(
-		t, healthy,
+		t, healthyID,
 		time.Now().Add(-48*time.Hour),
 		time.Now().Add(-time.Minute),
 	)
@@ -529,14 +518,14 @@ func TestArchiveSweep_ContinuesAfterPerTargetFailure(
 	assert.Equal(
 		t, []string{sweepRowNew},
 		archivedEventIDs(t, healthyPath),
-		"a failure for an earlier target must not stop the "+
+		"a failure for an earlier webhook must not stop the "+
 			"sweep from pruning the ones after it",
 	)
 }
 
 // TestArchiveSweep_OpenExistingDoesNotCreateFile pins the second
 // of the two no-create guards. The first is the stat in
-// sweepExpired; this one is the SQLite open mode, which is what
+// sweepWebhook; this one is the SQLite open mode, which is what
 // protects the window between that stat and the open. Flipping
 // the sweep's mode to create-if-missing makes this fail.
 func TestArchiveSweep_OpenExistingDoesNotCreateFile(
@@ -572,13 +561,13 @@ func TestArchiveSweep_OpenExistingDoesNotCreateFile(
 func TestArchiveSweep_PrunesIdleArchive(t *testing.T) {
 	t.Parallel()
 
-	env := setupArchiveTest(t)
+	env := setupSweeperTest(t)
 
-	tgt := env.seedDatabaseTarget(t, `{"expiry":"1h"}`)
+	webhookID := env.seedDatabaseTarget(t, `{"expiry":"1h"}`)
 
 	now := time.Now()
 	path := env.seedArchiveRows(
-		t, tgt,
+		t, webhookID,
 		now.Add(-48*time.Hour),
 		now.Add(-time.Minute),
 	)
@@ -611,11 +600,11 @@ func TestArchiveSweep_PrunesIdleArchive(t *testing.T) {
 func TestArchiveSweep_LeavesArchiveClosed(t *testing.T) {
 	t.Parallel()
 
-	env := setupArchiveTest(t)
+	env := setupSweeperTest(t)
 
-	tgt := env.seedDatabaseTarget(t, `{"expiry":"1h"}`)
+	webhookID := env.seedDatabaseTarget(t, `{"expiry":"1h"}`)
 	path := env.seedArchiveRows(
-		t, tgt, time.Now().Add(-48*time.Hour),
+		t, webhookID, time.Now().Add(-48*time.Hour),
 	)
 
 	w := delivery.NewExportArchiveWriter(
@@ -651,32 +640,35 @@ func TestArchiveSweep_ClosesHandleOfRegisteredWriter(
 ) {
 	t.Parallel()
 
-	env := setupArchiveTest(t)
+	env := setupSweeperTest(t)
 
-	tgt := env.seedDatabaseTarget(t, `{"expiry":"1h"}`)
+	webhookID := env.seedDatabaseTarget(t, `{"expiry":"1h"}`)
 	env.seedArchiveRows(
-		t, tgt, time.Now().Add(-48*time.Hour),
+		t, webhookID, time.Now().Add(-48*time.Hour),
 	)
 
 	webhookDB := testWebhookDB(t)
 	event := seedEvent(t, webhookDB, `{"n":1}`)
-	d := seedDatabaseTargetDelivery(t, webhookDB, event, tgt)
+	event.WebhookID = webhookID
+	d := seedDatabaseTargetDelivery(
+		t, webhookDB, event, `{"expiry":"1h"}`,
+	)
 
 	env.eng.ExportDeliverDatabase(webhookDB, d)
 
 	require.True(
-		t, env.eng.ExportArchiveHandleOpen(tgt.ID),
+		t, env.eng.ExportArchiveHandleOpen(webhookID),
 		"the delivery must leave the archive handle open",
 	)
 
 	env.sweeper.ExportSweep(context.Background())
 
 	require.True(
-		t, env.eng.ExportHasArchiveWriter(tgt.ID),
+		t, env.eng.ExportHasArchiveWriter(webhookID),
 		"the delivery's registry entry must survive the sweep",
 	)
 	assert.False(
-		t, env.eng.ExportArchiveHandleOpen(tgt.ID),
+		t, env.eng.ExportArchiveHandleOpen(webhookID),
 		"the sweep must leave the archive closed",
 	)
 }
@@ -692,11 +684,11 @@ func TestArchiveSweep_NeverExpiryUntouched(t *testing.T) {
 		`{"expiry":""}`,
 		"",
 	} {
-		env := setupArchiveTest(t)
+		env := setupSweeperTest(t)
 
-		tgt := env.seedDatabaseTarget(t, configJSON)
+		webhookID := env.seedDatabaseTarget(t, configJSON)
 		path := env.seedArchiveRows(
-			t, tgt,
+			t, webhookID,
 			time.Now().Add(-10000*time.Hour),
 		)
 
@@ -707,7 +699,7 @@ func TestArchiveSweep_NeverExpiryUntouched(t *testing.T) {
 			"config %q must keep rows forever", configJSON,
 		)
 		assert.False(
-			t, env.eng.ExportHasArchiveWriter(tgt.ID),
+			t, env.eng.ExportHasArchiveWriter(webhookID),
 			"config %q must leave no registry entry behind",
 			configJSON,
 		)
@@ -730,10 +722,10 @@ func TestArchiveSweep_NeverExpirySkipsBeforeOpening(
 ) {
 	t.Parallel()
 
-	env := setupArchiveTest(t)
+	env := setupSweeperTest(t)
 
-	tgt := env.seedDatabaseTarget(t, `{"expiry":"never"}`)
+	webhookID := env.seedDatabaseTarget(t, `{"expiry":"never"}`)
-	path := env.archivePath(tgt)
+	path := env.archivePath(webhookID)
 
 	seedUnmigratedArchive(t, path)
 	require.False(t, archiveTableExists(t, path))
@@ -776,16 +768,16 @@ func archiveTableExists(t *testing.T, path string) bool {
 }
 
 // TestArchiveSweep_DoesNotCreateArchiveFile proves the sweep
-// never conjures an archive: a database target that has never
+// never conjures an archive: a webhook with a database target
-// received an event must still have no archive file (nor SQLite
+// that has never received an event must still have no archive
-// sidecar) after a sweep, and no registry entry either.
+// file (nor SQLite sidecar) after a sweep.
 func TestArchiveSweep_DoesNotCreateArchiveFile(t *testing.T) {
 	t.Parallel()
 
-	env := setupArchiveTest(t)
+	env := setupSweeperTest(t)
 
-	tgt := env.seedDatabaseTarget(t, `{"expiry":"1h"}`)
+	webhookID := env.seedDatabaseTarget(t, `{"expiry":"1h"}`)
-	path := env.archivePath(tgt)
+	path := env.archivePath(webhookID)
 
 	require.NoFileExists(t, path)
 
@@ -797,11 +789,6 @@ func TestArchiveSweep_DoesNotCreateArchiveFile(t *testing.T) {
 			"the sweep must not create an archive file",
 		)
 	}
-
-	assert.False(
-		t, env.eng.ExportHasArchiveWriter(tgt.ID),
-		"the sweep must leave no registry entry behind",
-	)
 }
 
 // TestArchiveSweep_DoesNotCreateAfterWriterExists covers the
@@ -813,11 +800,11 @@ func TestArchiveSweep_DoesNotCreateAfterWriterExists(
 ) {
 	t.Parallel()
 
-	env := setupArchiveTest(t)
+	env := setupSweeperTest(t)
 
-	tgt := env.seedDatabaseTarget(t, `{"expiry":"1h"}`)
+	webhookID := env.seedDatabaseTarget(t, `{"expiry":"1h"}`)
 
-	path, err := env.eng.ExportEnsureArchiveWriter(tgt.ID)
+	path, err := env.eng.ExportEnsureArchiveWriter(webhookID)
 	require.NoError(t, err)
 	require.NoFileExists(t, path)
 
@@ -832,17 +819,17 @@ func TestArchiveSweep_DoesNotCreateAfterWriterExists(
 func TestArchiveSweep_SkipsDeletedWebhookTargets(t *testing.T) {
 	t.Parallel()
 
-	env := setupArchiveTest(t)
+	env := setupSweeperTest(t)
 
-	tgt := env.seedDatabaseTarget(t, `{"expiry":"1h"}`)
+	webhookID := env.seedDatabaseTarget(t, `{"expiry":"1h"}`)
 	path := env.seedArchiveRows(
-		t, tgt, time.Now().Add(-48*time.Hour),
+		t, webhookID, time.Now().Add(-48*time.Hour),
 	)
 
 	require.NoError(
 		t,
 		env.mainDB.DB().
-			Where("webhook_id = ?", tgt.WebhookID).
+			Where("webhook_id = ?", webhookID).
 			Delete(&database.Target{}).Error,
 	)
 
@@ -855,14 +842,14 @@ func TestArchiveSweep_SkipsDeletedWebhookTargets(t *testing.T) {
 }
 
 // TestArchiveSweep_ConcurrentWrites proves the sweep serialises
-// against writes through the target's writer mutex. Run under
+// against writes through the per-webhook writer mutex. Run
-// -race, an unsynchronised sweep would be caught here.
+// under -race, an unsynchronised sweep would be caught here.
 func TestArchiveSweep_ConcurrentWrites(t *testing.T) {
 	t.Parallel()
 
-	env := setupArchiveTest(t)
+	env := setupSweeperTest(t)
 
-	tgt := env.seedDatabaseTarget(t, `{"expiry":"1h"}`)
+	webhookID := env.seedDatabaseTarget(t, `{"expiry":"1h"}`)
 
 	webhookDB := testWebhookDB(t)
 
@@ -875,10 +862,13 @@ func TestArchiveSweep_ConcurrentWrites(t *testing.T) {
 
 	for range sweepConcurrentWrites {
 		event := seedEvent(t, webhookDB, `{"n":1}`)
+		event.WebhookID = webhookID
 
 		deliveries = append(
 			deliveries,
-			seedDatabaseTargetDelivery(t, webhookDB, event, tgt),
+			seedDatabaseTargetDelivery(
+				t, webhookDB, event, `{"expiry":"1h"}`,
+			),
 		)
 	}
 
@@ -904,7 +894,7 @@ func TestArchiveSweep_ConcurrentWrites(t *testing.T) {
 
 	wg.Wait()
 
-	assert.FileExists(t, env.archivePath(tgt))
+	assert.FileExists(t, env.archivePath(webhookID))
 }
 
 // TestArchiveSweeper_StopsCleanly proves the background loop
@@ -912,11 +902,11 @@ func TestArchiveSweep_ConcurrentWrites(t *testing.T) {
 func TestArchiveSweeper_StopsCleanly(t *testing.T) {
 	t.Parallel()
 
-	env := setupArchiveTest(t)
+	env := setupSweeperTest(t)
 
-	tgt := env.seedDatabaseTarget(t, `{"expiry":"1h"}`)
+	webhookID := env.seedDatabaseTarget(t, `{"expiry":"1h"}`)
 	env.seedArchiveRows(
-		t, tgt, time.Now().Add(-48*time.Hour),
+		t, webhookID, time.Now().Add(-48*time.Hour),
 	)
 
 	env.sweeper.ExportSetInterval(time.Millisecond)
@@ -940,7 +930,7 @@ func TestArchiveSweeper_StopHookHonoursStopTimeout(
 ) {
 	t.Parallel()
 
-	env := setupArchiveTest(t)
+	env := setupSweeperTest(t)
 
 	lc := &recordingLifecycle{}
 	env.sweeper.ExportRegisterHooks(lc)

internal/delivery/delivery_totals_test.go

@@ -1,177 +0,0 @@
-package delivery_test
-
-import (
-	"testing"
-	"time"
-
-	"github.com/google/uuid"
-	"github.com/stretchr/testify/assert"
-	"github.com/stretchr/testify/require"
-	"gorm.io/gorm"
-	"sneak.berlin/go/webhooker/internal/database"
-)
-
-// targetTotals reads one target's totals from a webhook database, all
-// zero when it has no row.
-func targetTotals(
-	t *testing.T, db *gorm.DB, targetID string,
-) database.TargetTotals {
-	t.Helper()
-
-	var rows []database.TargetTotals
-
-	require.NoError(t, db.Where("target_id = ?", targetID).
-		Find(&rows).Error)
-
-	if len(rows) == 0 {
-		return database.TargetTotals{TargetID: targetID}
-	}
-
-	return rows[0]
-}
-
-// TestUpdateDeliveryStatus_FinishTimeAndTargetTotals pins what a status
-// write records for the webhook page's statistics: the time a delivery
-// finished, set only when it becomes delivered or failed, and one more
-// on its target's delivered or failed total.
-func TestUpdateDeliveryStatus_FinishTimeAndTargetTotals(t *testing.T) {
-	t.Parallel()
-
-	tests := []struct {
-		status    database.DeliveryStatus
-		finished  bool
-		delivered int64
-		failed    int64
-	}{
-		{database.DeliveryStatusRetrying, false, 0, 0},
-		{database.DeliveryStatusDelivered, true, 1, 0},
-		{database.DeliveryStatusFailed, true, 0, 1},
-	}
-
-	for _, tt := range tests {
-		t.Run(string(tt.status), func(t *testing.T) {
-			t.Parallel()
-
-			db := testWebhookDB(t)
-			e := testEngine(t, 1)
-			event := seedEvent(t, db, `{}`)
-			targetID := uuid.New().String()
-			d := seedDelivery(
-				t, db, event.ID, targetID,
-				database.DeliveryStatusPending,
-			)
-
-			before := time.Now()
-
-			require.NoError(t, e.ExportUpdateDeliveryStatus(
-				db, &d, tt.status,
-			))
-
-			var stored database.Delivery
-
-			require.NoError(t, db.First(&stored, "id = ?", d.ID).Error)
-			assert.Equal(t, tt.status, stored.Status)
-
-			if tt.finished {
-				require.NotNil(t, stored.FinishedAt)
-				assert.False(t, stored.FinishedAt.Before(before))
-			} else {
-				assert.Nil(t, stored.FinishedAt)
-			}
-
-			assert.Equal(t, database.TargetTotals{
-				TargetID:  targetID,
-				Delivered: tt.delivered,
-				Failed:    tt.failed,
-			}, targetTotals(t, db, targetID))
-		})
-	}
-}
-
-// TestUpdateDeliveryStatus_DeletedDeliveryIsNotCounted covers a
-// delivery retention deleted while the engine still held it. Failing
-// it afterwards writes no row, so it adds no failure either: retention
-// has already counted what it removed.
-func TestUpdateDeliveryStatus_DeletedDeliveryIsNotCounted(t *testing.T) {
-	t.Parallel()
-
-	db := testWebhookDB(t)
-	e := testEngine(t, 1)
-	event := seedEvent(t, db, `{}`)
-	targetID := uuid.New().String()
-	d := seedDelivery(
-		t, db, event.ID, targetID,
-		database.DeliveryStatusRetrying,
-	)
-
-	require.NoError(t, db.Unscoped().
-		Delete(&database.Delivery{}, "id = ?", d.ID).Error)
-
-	require.NoError(t, e.ExportUpdateDeliveryStatus(
-		db, &d, database.DeliveryStatusFailed,
-	))
-
-	assert.Equal(t, database.TargetTotals{TargetID: targetID},
-		targetTotals(t, db, targetID))
-}
-
-// TestUpdateDeliveryStatus_FinishedDeliveryIsNotSettledAgain covers a
-// delivery settled a second time, as recovery can do when a worker has
-// settled it since recovery read it. Neither status writes over the
-// first, and the totals do not move.
-func TestUpdateDeliveryStatus_FinishedDeliveryIsNotSettledAgain(
-	t *testing.T,
-) {
-	t.Parallel()
-
-	finished := []database.DeliveryStatus{
-		database.DeliveryStatusDelivered,
-		database.DeliveryStatusFailed,
-	}
-
-	for _, first := range finished {
-		t.Run(string(first), func(t *testing.T) {
-			t.Parallel()
-
-			db := testWebhookDB(t)
-			e := testEngine(t, 1)
-			event := seedEvent(t, db, `{}`)
-			targetID := uuid.New().String()
-			d := seedDelivery(
-				t, db, event.ID, targetID,
-				database.DeliveryStatusRetrying,
-			)
-
-			// The delivery as recovery read it, before the worker
-			// settled it.
-			readBefore := d
-
-			require.NoError(t, e.ExportUpdateDeliveryStatus(
-				db, &d, first,
-			))
-
-			var settled database.Delivery
-
-			require.NoError(t, db.First(&settled, "id = ?", d.ID).Error)
-			require.NotNil(t, settled.FinishedAt)
-
-			totals := targetTotals(t, db, targetID)
-
-			for _, again := range finished {
-				stale := readBefore
-
-				require.NoError(t, e.ExportUpdateDeliveryStatus(
-					db, &stale, again,
-				))
-			}
-
-			var stored database.Delivery
-
-			require.NoError(t, db.First(&stored, "id = ?", d.ID).Error)
-			assert.Equal(t, first, stored.Status)
-			require.NotNil(t, stored.FinishedAt)
-			assert.True(t, settled.FinishedAt.Equal(*stored.FinishedAt))
-			assert.Equal(t, totals, targetTotals(t, db, targetID))
-		})
-	}
-}

internal/delivery/engine.go

@@ -14,7 +14,6 @@ import (
 	"go.uber.org/fx"
 	"gorm.io/gorm"
 	"sneak.berlin/go/webhooker/internal/database"
-	"sneak.berlin/go/webhooker/internal/globals"
 	"sneak.berlin/go/webhooker/internal/lifecycle"
 	"sneak.berlin/go/webhooker/internal/logger"
 	"sneak.berlin/go/webhooker/internal/metrics"
@@ -123,24 +122,21 @@ type Notifier interface {
 	Notify(tasks []Task)
 }
 
-// Archives is how the handlers keep the database targets' archive
+// WebhookEvictor releases the delivery engine's per-webhook
-// files in step with the configuration. Deleting a webhook or a
+// state for a webhook that no longer needs it — currently the
-// target releases the cached archive writers, whose open file
+// cached archive writer of the database target, whose open
-// handles would otherwise outlive them; renaming one renames the
+// file handle would otherwise outlive the webhook.
-// archive files, which are named for the webhook and the target
-// (see ArchiveFileName).
 //
-// It is deliberately separate from Notifier: archiving lifecycle
+// It is deliberately separate from Notifier and deliberately
-// is not notification, and a small interface keeps the handlers
+// one method wide: archiving lifecycle is not notification, and
-// package free of any dependency on the engine's internals while
+// a single-method interface keeps the handlers package free of
-// staying trivially fakeable in tests.
+// any dependency on the engine's internals while staying
+// trivially fakeable in tests.
 //
-// Neither eviction deletes an archive file. Both are idempotent
+// EvictWebhook never deletes an archive file. It is idempotent
-// and are no-ops for a webhook or target with no engine state.
+// and is a no-op for a webhook with no engine state.
-type Archives interface {
+type WebhookEvictor interface {
 	EvictWebhook(webhookID string)
-	EvictTarget(targetID string)
-	Rename(targetID, webhookName, targetName string) error
 }
 
 // EngineParams are the fx dependencies for the delivery
@@ -150,10 +146,8 @@ type EngineParams struct {
 
 	DB        *database.Database
 	DBManager *database.WebhookDBManager
-	Globals   *globals.Globals
 	Logger    *logger.Logger
 	SSRFGuard *Guard
-	Metrics   *metrics.Set
 }
 
 // Engine processes queued deliveries in the background
@@ -173,14 +167,10 @@ type Engine struct {
 	retryCh    chan Task
 	workers    int
 
-	// version is the running build's version, the one the web UI
+	// mtr is the delivery metric set. Production wires the
-	// footer shows. userAgent puts it on every outbound request.
+	// process-wide one; a test can substitute a set registered on
-	version string
+	// a private registry so its assertions are not disturbed by
-
+	// deliveries other tests are making at the same time.
-	// mtr is the delivery metric set. Production wires the one
-	// registered on the registry /metrics serves; a test can
-	// substitute a set registered on a registry it holds, so it can
-	// gather what its own deliveries recorded.
 	mtr *metrics.Set
 
 	// targets maps each target type to its implementation.
@@ -191,7 +181,7 @@ type Engine struct {
 	httpTarget *httpTarget
 
 	// dbTarget is retained so the engine can reach the archive
-	// writer registry for eviction, renames and the idle sweep.
+	// writer registry for webhook eviction and the idle sweep.
 	dbTarget *databaseTarget
 
 	// inflight is the set of deliveries this engine currently owns.
@@ -214,8 +204,7 @@ func New(
 		deliveryCh: make(chan Task, deliveryChannelSize),
 		retryCh:    make(chan Task, retryChannelSize),
 		workers:    defaultWorkers,
-		version:    params.Globals.Version,
+		mtr:        metrics.Default(),
-		mtr:        params.Metrics,
 	}
 
 	e.initTargets(&http.Client{
@@ -260,44 +249,17 @@ func (e *Engine) Notify(tasks []Task) {
 	}
 }
 
-// EvictWebhook implements Archives. The cached archive writer of
+// EvictWebhook implements WebhookEvictor. It releases the
-// every database target of the webhook is dropped from the
+// engine's per-webhook archiving state: the database target's
-// registry and its file handle closed. The archive files
+// cached archive writer is dropped from the registry and its
-// themselves are left on disk — they are long-term storage the
+// file handle closed. The archive file itself is left on disk
-// operator owns.
+// — it is long-term storage the operator owns.
 func (e *Engine) EvictWebhook(webhookID string) {
 	if e.dbTarget == nil {
 		return
 	}
 
-	e.dbTarget.evictWebhook(webhookID)
+	e.dbTarget.evict(webhookID)
-}
-
-// EvictTarget implements Archives. It is EvictWebhook for a single
-// database target, and leaves the archive file on disk the same
-// way.
-func (e *Engine) EvictTarget(targetID string) {
-	if e.dbTarget == nil {
-		return
-	}
-
-	e.dbTarget.evict(targetID)
-}
-
-// Rename implements Archives. It renames a database target's
-// archive file to ArchiveFileName(webhookName, targetName,
-// targetID), under the lock the target's archive writes and the
-// idle sweep take. It never replaces a file: if one already has the
-// new name, the error is ErrArchiveNameTaken. The caller renames
-// before it saves the new name: see databaseTarget.rename.
-func (e *Engine) Rename(
-	targetID, webhookName, targetName string,
-) error {
-	if e.dbTarget == nil {
-		return nil
-	}
-
-	return e.dbTarget.rename(targetID, webhookName, targetName)
 }
 
 // ScheduleRetry schedules a task to be re-enqueued onto the
@@ -338,13 +300,6 @@ func (e *Engine) ScheduleRetry(
 	})
 }
 
-// userAgent is the User-Agent header of every http and slack
-// delivery request: the program name and the running build's
-// version.
-func (e *Engine) userAgent() string {
-	return "webhooker/" + e.version
-}
-
 // registerHooks wires the engine's start and stop into the fx
 // lifecycle. The start hook's context is deliberately ignored
 // (see start for why the worker pool must not inherit it); the
@@ -411,8 +366,7 @@ func (e *Engine) start() {
 // Once the pool has drained it closes the archive writers, so a
 // clean stop leaves no archive -wal behind. Nothing else holds a
 // writer for long by then: the archive sweeper stops before the
-// engine, and deleting or renaming a webhook or target only closes
+// engine, and deleting a webhook only closes one. If the pool did
-// or moves one. If the pool did
 // not drain in time, the writers are left open, as a kill would
 // leave them. Closing them would wait for any write in progress,
 // and a worker still running would then open new writers that
@@ -577,11 +531,6 @@ func (e *Engine) processRetryTask(
 		return
 	}
 
-	// Set before anything below can fail the delivery: the failure is
-	// added to this target's totals.
-	d.EventID = task.EventID
-	d.TargetID = task.TargetID
-
 	if d.Status != database.DeliveryStatusRetrying {
 		e.log.Debug(
 			"skipping retry for delivery "+
@@ -613,6 +562,8 @@ func (e *Engine) processRetryTask(
 	}
 
 	target := buildTargetFromTask(task)
+	d.EventID = task.EventID
+	d.TargetID = task.TargetID
 	d.Event = event
 	d.Target = target
 
@@ -1603,9 +1554,8 @@ func (e *Engine) updateDeliveryStatus(
 	targetType database.TargetType,
 	status database.DeliveryStatus,
 ) error {
-	err := webhookDB.Transaction(func(tx *gorm.DB) error {
+	err := webhookDB.Model(d).
-		return writeDeliveryStatus(tx, d, status)
+		Update("status", status).Error
-	})
 	if err != nil {
 		return fmt.Errorf(
 			"updating delivery %s to status %s: %w",
@@ -1624,43 +1574,6 @@ func (e *Engine) updateDeliveryStatus(
 	return nil
 }
 
-// writeDeliveryStatus writes a delivery's new status. A delivery that
-// becomes delivered or failed also gets the time it finished, and is
-// added to its target's delivered or failed total. That write changes
-// only a delivery not yet delivered or failed, and the total moves
-// only when it changed a row: retention may have deleted the delivery
-// while the engine was working on it, and a recovery path may settle
-// a delivery that a worker has already settled.
-func writeDeliveryStatus(
-	tx *gorm.DB,
-	d *database.Delivery,
-	status database.DeliveryStatus,
-) error {
-	if !status.Terminal() {
-		return tx.Model(d).Update("status", status).Error
-	}
-
-	res := tx.Model(d).
-		Where("status NOT IN ?", []database.DeliveryStatus{
-			database.DeliveryStatusDelivered,
-			database.DeliveryStatusFailed,
-		}).
-		Updates(map[string]any{
-			"status":      status,
-			"finished_at": time.Now(),
-		})
-	if res.Error != nil || res.RowsAffected == 0 {
-		return res.Error
-	}
-
-	add := database.TargetTotals{TargetID: d.TargetID, Delivered: 1}
-	if status == database.DeliveryStatusFailed {
-		add = database.TargetTotals{TargetID: d.TargetID, Failed: 1}
-	}
-
-	return database.AddTargetTotals(tx, add)
-}
-
 // settleStatus moves a delivery to its outcome status and reports a
 // failed write through bookkeepingFailed, which leaves the row
 // recoverable. It exists so the target call sites read as one

internal/delivery/engine_lifecycle_test.go

@@ -2,6 +2,7 @@ package delivery_test
 
 import (
 	"context"
+	"fmt"
 	"path/filepath"
 	"testing"
 	"time"
@@ -9,7 +10,6 @@ import (
 	"github.com/google/uuid"
 	"github.com/stretchr/testify/require"
 	"go.uber.org/fx"
-	"gorm.io/gorm/clause"
 	"sneak.berlin/go/webhooker/internal/database"
 	"sneak.berlin/go/webhooker/internal/delivery"
 )
@@ -272,35 +272,22 @@ func TestEngine_StopHookHonoursStopTimeout(t *testing.T) {
 	requireStopHookExpires(t, lc.hooks[0], "delivery engine")
 }
 
-// deliverToArchive gives the setup's webhook a database target,
+// deliverToArchive runs one delivery to a database target through
-// runs one delivery to it through the running engine, and returns
+// the running engine and returns the webhook's archive file path.
-// the target's ID and archive file path. The archive writer holds
+// The archive writer holds the file open afterwards.
-// the file open afterwards.
+func deliverToArchive(t *testing.T, s iSetup) string {
-func deliverToArchive(t *testing.T, s iSetup) (string, string) {
 	t.Helper()
 
-	iCreateWebhook(t, s.MainDB, s.WebhookID, "hook")
-
-	tgt := &database.Target{
-		WebhookID: s.WebhookID,
-		Name:      "archive",
-		Type:      database.TargetTypeDatabase,
-	}
-	require.NoError(
-		t, s.MainDB.Omit(clause.Associations).Create(tgt).Error,
-	)
-
 	deliveryID, task := seedLogTask(t, s)
-	task.TargetID = tgt.ID
 	task.TargetType = database.TargetTypeDatabase
 
 	s.Engine.Notify([]delivery.Task{task})
 
 	iWaitForDelivered(t, s.WebhookDB, deliveryID)
 
-	return tgt.ID, filepath.Join(
+	return filepath.Join(
 		filepath.Dir(s.DBMgr.DBPath(s.WebhookID)),
-		"archive-hook-archive-"+tgt.ID+".db",
+		fmt.Sprintf("archive-%s.db", s.WebhookID),
 	)
 }
 
@@ -317,7 +304,7 @@ func TestEngine_StopHookClosesArchives(t *testing.T) {
 
 	lc := startEngineViaHook(t, s.Engine)
 
-	_, path := deliverToArchive(t, s)
+	path := deliverToArchive(t, s)
 	require.FileExists(
 		t, path+"-wal",
 		"an open archive should have a -wal for the stop to remove",
@@ -351,7 +338,7 @@ func TestEngine_StopHookTimeoutLeavesArchivesOpen(t *testing.T) {
 
 	lc := startEngineViaHook(t, s.Engine)
 
-	targetID, _ := deliverToArchive(t, s)
+	deliverToArchive(t, s)
 
 	release := make(chan struct{})
 
@@ -365,7 +352,7 @@ func TestEngine_StopHookTimeoutLeavesArchivesOpen(t *testing.T) {
 	requireStopHookExpires(t, lc.hooks[0], "delivery engine")
 
 	require.True(
-		t, s.Engine.ExportArchiveHandleOpen(targetID),
+		t, s.Engine.ExportArchiveHandleOpen(s.WebhookID),
 		"a stop that timed out must not close archive writers",
 	)
 }

internal/delivery/engine_test.go

@@ -57,10 +57,7 @@ func testWebhookDB(t *testing.T) *gorm.DB {
 		&database.Event{},
 		&database.Delivery{},
 		&database.DeliveryResult{},
-		&database.EventTotals{},
-		&database.TargetTotals{},
 	))
-	require.NoError(t, db.Create(&database.EventTotals{}).Error)
 
 	return db
 }
@@ -351,15 +348,23 @@ func TestDeliverDatabase_ImmediateSuccess(
 
 	db := testWebhookDB(t)
 
-	// The database target archives for real, so the engine needs
+	// The database target archives for real now, so the engine
-	// the target in the main database and a data directory.
+	// needs a webhook DB manager to locate the data directory.
-	env := setupArchiveTest(t)
+	e := delivery.NewTestEngineWithDB(
-	tgt := env.seedDatabaseTarget(t, "")
+		nil,
+		database.NewTestWebhookDBManager(t.TempDir()),
+		slog.New(slog.NewTextHandler(
+			os.Stderr,
+			&slog.HandlerOptions{Level: slog.LevelDebug},
+		)),
+		&http.Client{Timeout: 5 * time.Second},
+		1,
+	)
 
 	event := seedEvent(t, db, `{"db":"target"}`)
-	d := seedDatabaseTargetDelivery(t, db, event, tgt)
+	d := seedDatabaseTargetDelivery(t, db, event, "")
 
-	env.eng.ExportDeliverDatabase(db, d)
+	e.ExportDeliverDatabase(db, d)
 
 	var updated database.Delivery
 
@@ -1239,6 +1244,11 @@ func TestDoHTTPRequest_ForwardsHeaders(t *testing.T) {
 		testContentType,
 		receivedHeaders.Get("Content-Type"),
 	)
+
+	assert.Equal(t,
+		"webhooker/1.0",
+		receivedHeaders.Get("User-Agent"),
+	)
 }
 
 // The event's stored inbound headers carry the same Content-Type the
@@ -1307,7 +1317,6 @@ func TestApplyRequestHeaders_SendsOneContentType(t *testing.T) {
 					ContentType: tc.event,
 				},
 				cfg,
-				"webhooker/dev",
 			)
 
 			assert.Equal(t,
@@ -1324,27 +1333,32 @@ func TestProcessDelivery_RoutesToCorrectHandler(
 
 	db := testWebhookDB(t)
 
-	// The database target archives for real, so the engine needs
+	// The database target archives for real now, so the engine
-	// the target in the main database and a data directory.
+	// needs a webhook DB manager to locate the data directory.
-	env := setupArchiveTest(t)
+	e := delivery.NewTestEngineWithDB(
-	archive := env.seedDatabaseTarget(t, "")
+		nil,
+		database.NewTestWebhookDBManager(t.TempDir()),
+		slog.New(slog.NewTextHandler(
+			os.Stderr,
+			&slog.HandlerOptions{Level: slog.LevelDebug},
+		)),
+		&http.Client{Timeout: 5 * time.Second},
+		1,
+	)
 
 	tests := []struct {
 		name       string
 		targetType database.TargetType
-		targetID   string
 		wantStatus database.DeliveryStatus
 	}{
 		{
 			"database target",
 			database.TargetTypeDatabase,
-			archive.ID,
 			database.DeliveryStatusDelivered,
 		},
 		{
 			"log target",
 			database.TargetTypeLog,
-			uuid.New().String(),
 			database.DeliveryStatusDelivered,
 		},
 	}
@@ -1354,7 +1368,7 @@ func TestProcessDelivery_RoutesToCorrectHandler(
 			t.Parallel()
 
 			runRoutingSubtest(
-				t, db, env.eng, tt.targetType, tt.targetID,
+				t, db, e, tt.targetType,
 				tt.wantStatus,
 			)
 		})
@@ -1366,7 +1380,6 @@ func runRoutingSubtest(
 	db *gorm.DB,
 	e *delivery.Engine,
 	targetType database.TargetType,
-	targetID string,
 	wantStatus database.DeliveryStatus,
 ) {
 	t.Helper()
@@ -1374,7 +1387,8 @@ func runRoutingSubtest(
 	event := seedEvent(t, db, `{"routing":"test"}`)
 
 	dlv := seedDelivery(
-		t, db, event.ID, targetID,
+		t, db, event.ID,
+		uuid.New().String(),
 		database.DeliveryStatusPending,
 	)
 

internal/delivery/export_test.go

@@ -9,7 +9,6 @@ import (
 	"net/url"
 	"time"
 
-	"github.com/prometheus/client_golang/prometheus"
 	"go.uber.org/fx"
 	"gorm.io/gorm"
 	"sneak.berlin/go/webhooker/internal/database"
@@ -41,6 +40,11 @@ const (
 	ExportPendingSweepMinAge = pendingSweepMinAge
 )
 
+// ExportIsBlockedIP exposes isBlockedIP for testing.
+func ExportIsBlockedIP(ip net.IP) bool {
+	return isBlockedIP(ip)
+}
+
 // NewTestGuard builds an SSRF Guard from an explicit egress
 // allowlist, without going through config. Passing no prefixes
 // yields the default guard, which blocks every private/reserved
@@ -66,11 +70,6 @@ func ExportBlockedNetworks() []*net.IPNet {
 	return blockedNetworks
 }
 
-// ExportBlockedPublicNetworks exposes blockedPublicNetworks.
-func ExportBlockedPublicNetworks() []*net.IPNet {
-	return blockedPublicNetworks
-}
-
 // ExportIsForwardableHeader exposes isForwardableHeader.
 func ExportIsForwardableHeader(name string) bool {
 	return isForwardableHeader(name)
@@ -83,9 +82,8 @@ func ExportApplyRequestHeaders(
 	req *http.Request,
 	event *database.Event,
 	cfg *HTTPTargetConfig,
-	userAgent string,
 ) []string {
-	return applyRequestHeaders(req, event, cfg, userAgent)
+	return applyRequestHeaders(req, event, cfg)
 }
 
 // ExportTruncate exposes truncate for testing.
@@ -152,16 +150,6 @@ func (e *Engine) ExportDeliverSlack(
 	)
 }
 
-// ExportUpdateDeliveryStatus exposes updateDeliveryStatus. It passes no
-// target type, so no metric moves.
-func (e *Engine) ExportUpdateDeliveryStatus(
-	webhookDB *gorm.DB,
-	d *database.Delivery,
-	status database.DeliveryStatus,
-) error {
-	return e.updateDeliveryStatus(webhookDB, d, "", status)
-}
-
 // ExportProcessNewTask exposes processNewTask.
 func (e *Engine) ExportProcessNewTask(
 	ctx context.Context, task *Task,
@@ -401,7 +389,7 @@ func NewTestEngine(
 		deliveryCh: make(chan Task, deliveryChannelSize),
 		retryCh:    make(chan Task, retryChannelSize),
 		workers:    workers,
-		mtr:        metrics.New(prometheus.NewRegistry()),
+		mtr:        metrics.Default(),
 	}
 	e.initTargets(client)
 
@@ -416,7 +404,7 @@ func NewTestEngineSmallRetry(
 	e := &Engine{
 		log:     log,
 		retryCh: make(chan Task, 1),
-		mtr:     metrics.New(prometheus.NewRegistry()),
+		mtr:     metrics.Default(),
 	}
 	e.initTargets(nil)
 
@@ -439,7 +427,7 @@ func NewTestEngineWithDB(
 		deliveryCh: make(chan Task, deliveryChannelSize),
 		retryCh:    make(chan Task, retryChannelSize),
 		workers:    workers,
-		mtr:        metrics.New(prometheus.NewRegistry()),
+		mtr:        metrics.Default(),
 	}
 	e.initTargets(client)
 
@@ -447,7 +435,8 @@ func NewTestEngineWithDB(
 }
 
 // ExportSetMetrics substitutes the engine's metric set, so a test can
-// assert on collectors registered on a registry it holds.
+// assert on collectors registered on a private registry instead of
+// the process-wide ones every other test is also moving.
 func (e *Engine) ExportSetMetrics(mtr *metrics.Set) {
 	e.mtr = mtr
 }
@@ -474,7 +463,7 @@ func NewTestCircuitBreaker(
 type ExportArchivedEvent = archivedEvent
 
 // ExportArchiveWriter wraps an archiveWriter so black-box tests
-// can exercise the archive file mechanics.
+// can exercise the per-webhook archive file mechanics.
 type ExportArchiveWriter struct {
 	w *archiveWriter
 }
@@ -549,12 +538,6 @@ func (e *ExportArchiveWriter) Evict() {
 	e.w.evict()
 }
 
-// Rename gives the archive file a new name in the same directory,
-// as a rename of the webhook or target does.
-func (e *ExportArchiveWriter) Rename(name string) error {
-	return e.w.rename(name)
-}
-
 // HandleOpen reports whether the writer currently holds an open
 // archive handle.
 func (e *ExportArchiveWriter) HandleOpen() bool {
@@ -574,16 +557,16 @@ func (e *ExportArchiveWriter) Same(
 }
 
 // ExportArchiveWriterFor returns the archive writer the registry
-// currently caches for a database target, or nil when none is
+// currently caches for a webhook, or nil when none is cached. It
-// cached. It never creates one, so a test can hold a reference to
+// never creates one, so a test can hold a reference to the very
-// the very writer an eviction is about to detach.
+// writer an eviction is about to detach.
 func (e *Engine) ExportArchiveWriterFor(
-	targetID string,
+	webhookID string,
 ) *ExportArchiveWriter {
 	e.dbTarget.mu.Lock()
 	defer e.dbTarget.mu.Unlock()
 
-	w, ok := e.dbTarget.writers[targetID]
+	w, ok := e.dbTarget.writers[webhookID]
 	if !ok {
 		return nil
 	}
@@ -592,26 +575,26 @@ func (e *Engine) ExportArchiveWriterFor(
 }
 
 // ExportHasArchiveWriter reports whether the database target
-// type currently caches an archive writer for a target.
+// currently caches an archive writer for a webhook.
 func (e *Engine) ExportHasArchiveWriter(
-	targetID string,
+	webhookID string,
 ) bool {
 	e.dbTarget.mu.Lock()
 	defer e.dbTarget.mu.Unlock()
 
-	_, ok := e.dbTarget.writers[targetID]
+	_, ok := e.dbTarget.writers[webhookID]
 
 	return ok
 }
 
 // ExportArchiveHandleOpen reports whether the cached archive
-// writer for a target holds an open database handle. It
+// writer for a webhook holds an open database handle. It
 // returns false when no writer is cached.
 func (e *Engine) ExportArchiveHandleOpen(
-	targetID string,
+	webhookID string,
 ) bool {
 	e.dbTarget.mu.Lock()
-	w, ok := e.dbTarget.writers[targetID]
+	w, ok := e.dbTarget.writers[webhookID]
 	e.dbTarget.mu.Unlock()
 
 	if !ok {
@@ -625,12 +608,12 @@ func (e *Engine) ExportArchiveHandleOpen(
 }
 
 // ExportEnsureArchiveWriter creates (if needed) and returns the
-// archive file path of the cached writer for a target, so a
+// archive file path of the cached writer for a webhook, so a
 // test can prime the registry the way a delivery would.
 func (e *Engine) ExportEnsureArchiveWriter(
-	targetID string,
+	webhookID string,
 ) (string, error) {
-	w, err := e.dbTarget.writerFor(targetID)
+	w, err := e.dbTarget.writerFor(webhookID)
 	if err != nil {
 		return "", err
 	}
@@ -638,14 +621,14 @@ func (e *Engine) ExportEnsureArchiveWriter(
 	return w.path, nil
 }
 
-// ExportSweepWriterFor takes a target's registry writer exactly
+// ExportSweepWriterFor takes a webhook's registry writer exactly
 // as the idle sweep does, reporting whether the sweep had to
 // create the entry. It lets a test drive the registry through the
 // sweep's own entry point instead of choreographing goroutines.
 func (e *Engine) ExportSweepWriterFor(
-	targetID string,
+	webhookID string,
 ) (*ExportArchiveWriter, bool, error) {
-	w, created, err := e.dbTarget.sweepWriterFor(targetID)
+	w, created, err := e.dbTarget.sweepWriterFor(webhookID)
 	if err != nil {
 		return nil, false, err
 	}
@@ -656,9 +639,9 @@ func (e *Engine) ExportSweepWriterFor(
 // ExportReleaseSweepWriter releases a sweep-created registry entry
 // exactly as a finished sweep does.
 func (e *Engine) ExportReleaseSweepWriter(
-	targetID string, w *ExportArchiveWriter,
+	webhookID string, w *ExportArchiveWriter,
 ) {
-	e.dbTarget.releaseSweepWriter(targetID, w.w)
+	e.dbTarget.releaseSweepWriter(webhookID, w.w)
 }
 
 // NewTestArchiveSweeper builds an ArchiveSweeper backed by the

internal/delivery/metrics_test.go

@@ -35,8 +35,9 @@ const (
 )
 
 // mIsolate gives the setup's engine a metric set registered on a
-// registry this test holds, so its exact assertions can gather from
+// private registry. The process-wide collectors are moved by every
-// it.
+// other delivery test running in parallel, so exact assertions are
+// only possible against a registry this test owns.
 func mIsolate(
 	t *testing.T, s iSetup,
 ) *prometheus.Registry {

internal/delivery/redirect_test.go

@@ -375,7 +375,6 @@ func TestApplyRequestHeaders_ReportsOriginScopedNames(t *testing.T) {
 				"Content-Type":  testContentType,
 			},
 		},
-		"webhooker/dev",
 	)
 
 	assert.Equal(t,

internal/delivery/ssrf.go

@@ -25,64 +25,36 @@ var (
 	errNoIPs      = errors.New(
 		"hostname resolved to no IP addresses",
 	)
-	// ErrBlockedPrivateOrReservedIP reports an address in the
+	errBlockedIP = errors.New(
-	// default blocklist's private and reserved ranges,
+		"blocked private, reserved or cloud metadata address",
-	// blockedNetworks.
-	ErrBlockedPrivateOrReservedIP = errors.New(
-		"blocked private or reserved address",
-	)
-	// errBlockedPublicMetadata reports a public address on the
-	// default blocklist, one in blockedPublicNetworks.
-	errBlockedPublicMetadata = errors.New(
-		"blocked cloud metadata address",
 	)
 	errBlockedMetadata = errors.New(
-		"blocked link-local, cloud instance metadata or " +
+		"blocked link-local or cloud instance metadata " +
-			"unspecified address: ALLOWED_EGRESS_CIDRS cannot open it",
+			"address: ALLOWED_EGRESS_CIDRS cannot open it",
 	)
 	errInvalidScheme = errors.New(
 		"only http and https are allowed",
 	)
 )
 
-// blockedNetworks and blockedPublicNetworks together are the
+// blockedNetworks is the default blocklist: the private and
-// default blocklist: the private and reserved IP ranges, plus
+// reserved IP ranges, plus the public cloud metadata addresses,
-// the public cloud metadata addresses, that are blocked to
+// that are blocked to prevent SSRF attacks. An operator can
-// prevent SSRF attacks. An operator can permit specific blocks
+// permit specific blocks out of this set with
-// out of this set with ALLOWED_EGRESS_CIDRS; see Guard.
+// ALLOWED_EGRESS_CIDRS; see Guard.
-//
-// blockedNetworks holds the private and reserved IP ranges.
 //
 //nolint:gochecknoglobals // package-level network list is appropriate here
 var blockedNetworks []*net.IPNet
 
-// blockedPublicNetworks holds the default blocklist's public
-// addresses, kept apart from blockedNetworks so that they are
-// refused as cloud metadata addresses, never as private or
-// reserved ones.
-//
-// A public address belongs on the default blocklist only if it
-// hands credentials, user data or bootstrap material to whatever
-// can reach it, without the caller presenting anything; it goes
-// in this list. A provider's other public addresses are not
-// refused, since reaching them can be legitimate and no list of
-// them could be complete.
-//
-//nolint:gochecknoglobals // package-level network list is appropriate here
-var blockedPublicNetworks []*net.IPNet
-
 // alwaysBlockedNetworks are the ranges no configuration can
-// open, so a supplied CIDR that covers one still leaves it
+// open: the link-local blocks and the cloud instance metadata
-// blocked. An entry is here for one of two reasons: it is a
+// endpoints that live outside them. Reaching one is credential
-// metadata endpoint (the link-local blocks and the cloud
+// or user-data theft rather than delivery to an internal
-// instance metadata endpoints that live outside them), or it is
+// service, so a supplied CIDR that covers such an address still
-// an unspecified address. Reaching a metadata endpoint is
+// leaves it blocked.
-// credential or user-data theft rather than delivery to an
-// internal service.
 //
-// Inclusion criterion for metadata endpoints — one belongs here
+// Inclusion criterion — an address belongs here only if BOTH
-// only if BOTH hold, and every metadata entry below satisfies
+// hold, and every entry below satisfies both:
-// both:
 //
 //  1. It is a fixed address assigned by the provider, or a
 //     range reserved by IANA — never one the operator chose.
@@ -93,8 +65,8 @@ var blockedPublicNetworks []*net.IPNet
 //     not cheaply rotated.
 //
 // Both halves are load-bearing, so use them to refuse a
-// metadata candidate and say why. An endpoint disclosing only
+// candidate and say why. An endpoint disclosing only the
-// the operator's own inventory (instance id, region, disks, NICs)
+// operator's own inventory (instance id, region, disks, NICs)
 // fails (2): letting a delivery target reach the operator's own
 // infrastructure is the feature ALLOWED_EGRESS_CIDRS exists to
 // provide. But (2) is not "IAM credentials only" either —
@@ -109,21 +81,12 @@ var blockedPublicNetworks []*net.IPNet
 // when it clears both halves. Nothing in this list can be
 // reopened, so putting a public address here leaves the operator
 // no escape hatch at all — the condition ALLOWED_EGRESS_CIDRS
-// exists to remove. Default-block it in blockedPublicNetworks
+// exists to remove. Default-block it in blockedNetworks instead,
-// instead, which an allowlist can override.
+// which an allowlist can override.
 //
 // This is a criterion, not an enumeration of every metadata
 // address in existence.
 //
-// The unspecified addresses 0.0.0.0 and :: are here for a
-// separate reason: they disclose nothing, but no host can have
-// either, and on Linux a connection to one reaches this host's
-// own loopback. Listing them means an allowlist reaches loopback
-// only through an entry that covers a loopback address
-// (127.0.0.0/8, ::1/128, 0.0.0.0/0), never through one that
-// covers only 0.0.0.0 or :: (0.0.0.0/8, for example). Nothing
-// else lives at either address, so refusing them costs nothing.
-//
 // Every entry is either already in blockedNetworks — this list is
 // what makes it unconditional — or an alternate encoding of
 // 169.254.169.254 that Contains does not match against
@@ -143,49 +106,23 @@ var alwaysBlockedNetworks []*net.IPNet
 //nolint:gochecknoinits // init is the idiomatic way to parse CIDRs once at startup
 func init() {
 	blockedNetworks = mustParseCIDRs([]string{
-		// IPv4 loopback.
 		"127.0.0.0/8",
-		// RFC 1918 private network.
 		"10.0.0.0/8",
-		// RFC 1918 private network.
 		"172.16.0.0/12",
-		// RFC 1918 private network.
 		"192.168.0.0/16",
-		// IPv4 link-local.
 		"169.254.0.0/16",
-		// "This network", holding the IPv4 unspecified address 0.0.0.0.
 		"0.0.0.0/8",
-		// Carrier-grade NAT shared address space.
 		"100.64.0.0/10",
-		// IETF protocol assignments.
 		"192.0.0.0/24",
-		// IPv4 documentation (TEST-NET-1).
 		"192.0.2.0/24",
-		// Benchmarking.
 		"198.18.0.0/15",
-		// IPv4 documentation (TEST-NET-2).
 		"198.51.100.0/24",
-		// IPv4 documentation (TEST-NET-3).
 		"203.0.113.0/24",
-		// IPv4 multicast.
 		"224.0.0.0/4",
-		// Reserved, including the broadcast address.
 		"240.0.0.0/4",
-		// IPv6 loopback.
 		"::1/128",
-		// IPv6 unspecified address.
-		"::/128",
-		// IPv6 unique local addresses.
 		"fc00::/7",
-		// IPv6 link-local.
 		"fe80::/10",
-		// IPv6 multicast.
-		"ff00::/8",
-		// IPv6 documentation.
-		"2001:db8::/32",
-	})
-
-	blockedPublicNetworks = mustParseCIDRs([]string{
 		// Azure WireServer, a public address that serves VM credentials.
 		"168.63.129.16/32",
 	})
@@ -242,14 +179,6 @@ func init() {
 		// allowlist from opening it.
 		"192.0.0.192/32",
 
-		// The unspecified addresses, each of which reaches this
-		// host's loopback on Linux.
-		//
-		// IPv4 unspecified address, inside the blocked 0.0.0.0/8.
-		"0.0.0.0/32",
-		// IPv6 unspecified address.
-		"::/128",
-
 		// 169.254.169.254 as an IPv4-compatible IPv6 address.
 		"::a9fe:a9fe/128",
 		// 169.254.169.254 behind the NAT64 well-known prefix.
@@ -289,6 +218,13 @@ func matchesAny(networks []*net.IPNet, ip net.IP) bool {
 	return false
 }
 
+// isBlockedIP checks whether an IP address falls within
+// the default blocklist, before any operator allowlist is
+// considered.
+func isBlockedIP(ip net.IP) bool {
+	return matchesAny(blockedNetworks, ip)
+}
+
 // Guard makes every SSRF decision in the process.
 //
 // It holds the operator's ALLOWED_EGRESS_CIDRS allowlist and
@@ -386,12 +322,10 @@ func (g *Guard) allows(ip net.IP) bool {
 // The order is the policy:
 //
 //  1. alwaysBlockedNetworks is refused before the allowlist is
-//     consulted, so no configured CIDR reaches link-local, a
+//     consulted, so no configured CIDR reaches link-local or a
-//     cloud metadata endpoint at a non-public address, or an
+//     cloud metadata endpoint at a non-public address.
-//     unspecified address.
 //  2. The allowlist is consulted next, so a listed private
-//     network, or a listed public address on the default
+//     network becomes reachable.
-//     blocklist, becomes reachable.
 //  3. Everything else keeps the default blocklist's answer.
 func (g *Guard) checkIP(ip net.IP) error {
 	if matchesAny(alwaysBlockedNetworks, ip) {
@@ -404,15 +338,9 @@ func (g *Guard) checkIP(ip net.IP) error {
 		return nil
 	}
 
-	if matchesAny(blockedNetworks, ip) {
+	if isBlockedIP(ip) {
 		return fmt.Errorf(
-			"target IP %s: %w", ip, ErrBlockedPrivateOrReservedIP,
+			"target IP %s: %w", ip, errBlockedIP,
-		)
-	}
-
-	if matchesAny(blockedPublicNetworks, ip) {
-		return fmt.Errorf(
-			"target IP %s: %w", ip, errBlockedPublicMetadata,
 		)
 	}
 

internal/delivery/ssrf_allowlist_test.go

@@ -23,10 +23,6 @@ const (
 	metadataIP  = "169.254.169.254"
 	metadataURL = "http://" + metadataIP + "/latest/meta-data/"
 
-	// linkLocalIPv4 is the IPv4 link-local block, which holds
-	// metadataIP.
-	linkLocalIPv4 = "169.254.0.0/16"
-
 	// loopbackHookURL is a target on this host: blocked by
 	// default, reachable only once an operator allowlists
 	// loopback.
@@ -168,13 +164,12 @@ func TestGuardAllowlist_UnlistedPrivateStillRefused(t *testing.T) {
 
 // TestGuardAllowlist_MetadataAlwaysRefused is the load-bearing
 // case: cloud instance metadata endpoints are credential theft
-// rather than delivery to an internal service, and the
+// rather than delivery to an internal service, so no allowlist
-// unspecified addresses 0.0.0.0 and :: reach this host's loopback
+// reaches one. Every guard below names a CIDR that covers its
-// on Linux, so no allowlist reaches any of them. Every guard
+// target — including 0.0.0.0/0, ::/0, and the ordinary ULA and
-// below names a CIDR that covers its target — including
+// CGNAT blocks an operator would really list — and the address
-// 0.0.0.0/0, ::/0, and the ordinary ULA and CGNAT blocks an
+// must stay refused anyway, on both the validation and the
-// operator would really list — and the address must stay
+// delivery path.
-// refused anyway, on both the validation and the delivery path.
 func TestGuardAllowlist_MetadataAlwaysRefused(t *testing.T) {
 	t.Parallel()
 
@@ -220,17 +215,15 @@ type metadataAlwaysRefusedCase struct {
 }
 
 // metadataAlwaysRefusedCases enumerates every unconditionally
-// blocked address (link-local, the cloud metadata endpoints and
+// blocked address together with an allowlist entry that would
-// the unspecified addresses) together with an allowlist entry
+// otherwise reach it. Split by family of address only to stay
-// that would otherwise reach it. Split by family of address only
+// under the function-length limit.
-// to stay under the function-length limit.
 func metadataAlwaysRefusedCases() []metadataAlwaysRefusedCase {
 	cases := linkLocalRefusedCases()
 	cases = append(cases, ulaMetadataRefusedCases()...)
 	cases = append(cases, ipv4MetadataRefusedCases()...)
-	cases = append(cases, encodedMetadataRefusedCases()...)
 
-	return append(cases, unspecifiedRefusedCases()...)
+	return append(cases, encodedMetadataRefusedCases()...)
 }
 
 // linkLocalRefusedCases covers the link-local blocks, including
@@ -244,7 +237,7 @@ func linkLocalRefusedCases() []metadataAlwaysRefusedCase {
 		},
 		{
 			name:   "whole link-local block",
-			allow:  linkLocalIPv4,
+			allow:  "169.254.0.0/16",
 			target: metadataURL,
 		},
 		{
@@ -370,23 +363,6 @@ func encodedMetadataRefusedCases() []metadataAlwaysRefusedCase {
 	}
 }
 
-// unspecifiedRefusedCases covers the unspecified addresses, each
-// of which reaches this host's loopback on Linux.
-func unspecifiedRefusedCases() []metadataAlwaysRefusedCase {
-	return []metadataAlwaysRefusedCase{
-		{
-			name:   "IPv4 unspecified address under 0.0.0.0/0",
-			allow:  allowAllIPv4,
-			target: "http://0.0.0.0:8080/hook",
-		},
-		{
-			name:   "IPv6 unspecified address under ::/0",
-			allow:  allowAllIPv6,
-			target: "http://[::]:8080/hook",
-		},
-	}
-}
-
 // TestGuardAllowlist_PublicUnaffected asserts the allowlist does
 // not narrow anything: public addresses were reachable before it
 // existed and stay reachable, whether or not a list is set.
@@ -436,9 +412,6 @@ func TestGuardAllowlist_AzureWireServerReopenable(t *testing.T) {
 		"WireServer must be refused by the default blocklist, "+
 			"which an allowlist can override",
 	)
-	require.NotErrorIs(t, err, delivery.ErrBlockedPrivateOrReservedIP,
-		"WireServer is public, not private or reserved",
-	)
 
 	assertDialRefused(t, defaultGuard, target)
 
@@ -523,7 +496,7 @@ func TestAlwaysBlockedNetworks_PinnedSet(t *testing.T) {
 	want := []string{
 		// IPv4 link-local: the 169.254.169.254 metadata
 		// service on AWS, Azure and others.
-		linkLocalIPv4,
+		"169.254.0.0/16",
 		// IPv6 link-local.
 		"fe80::/10",
 		// AWS IPv6 IMDS, inside the ULA space an operator may
@@ -544,10 +517,6 @@ func TestAlwaysBlockedNetworks_PinnedSet(t *testing.T) {
 		// Oracle Cloud Classic metadata, inside the blocked
 		// 192.0.0.0/24.
 		"192.0.0.192/32",
-		// The IPv4 and IPv6 unspecified addresses, each of
-		// which reaches this host's loopback on Linux.
-		"0.0.0.0/32",
-		"::/128",
 		// 169.254.169.254 as an IPv4-compatible IPv6 address.
 		"::a9fe:a9fe/128",
 		// 169.254.169.254 behind the NAT64 well-known prefix.
@@ -557,94 +526,6 @@ func TestAlwaysBlockedNetworks_PinnedSet(t *testing.T) {
 	assert.Equal(t, want, got)
 }
 
-// TestDefaultBlocklist_PinnedSet pins each list of the default
-// blocklist on its own, the private and reserved ranges in
-// blockedNetworks and the public addresses in
-// blockedPublicNetworks, so moving an entry from one list to the
-// other fails it. For the first address of each entry it then
-// checks that the default guard refuses it, and that listing the
-// entry in ALLOWED_EGRESS_CIDRS opens it unless the unconditional
-// set holds that address.
-func TestDefaultBlocklist_PinnedSet(t *testing.T) {
-	t.Parallel()
-
-	// public marks an entry of blockedPublicNetworks; every other
-	// entry belongs in blockedNetworks.
-	tests := []struct {
-		cidr       string
-		public     bool
-		reopenable bool
-	}{
-		{cidr: "127.0.0.0/8", reopenable: true},
-		{cidr: "10.0.0.0/8", reopenable: true},
-		{cidr: "172.16.0.0/12", reopenable: true},
-		{cidr: "192.168.0.0/16", reopenable: true},
-		{cidr: linkLocalIPv4, reopenable: false},
-		// Its first address, 0.0.0.0, is in the unconditional set.
-		{cidr: "0.0.0.0/8", reopenable: false},
-		{cidr: "100.64.0.0/10", reopenable: true},
-		{cidr: "192.0.0.0/24", reopenable: true},
-		{cidr: "192.0.2.0/24", reopenable: true},
-		{cidr: "198.18.0.0/15", reopenable: true},
-		{cidr: "198.51.100.0/24", reopenable: true},
-		{cidr: "203.0.113.0/24", reopenable: true},
-		{cidr: "224.0.0.0/4", reopenable: true},
-		{cidr: "240.0.0.0/4", reopenable: true},
-		{cidr: "::1/128", reopenable: true},
-		{cidr: "::/128", reopenable: false},
-		{cidr: "fc00::/7", reopenable: true},
-		{cidr: "fe80::/10", reopenable: false},
-		{cidr: "ff00::/8", reopenable: true},
-		{cidr: "2001:db8::/32", reopenable: true},
-		{cidr: "168.63.129.16/32", public: true, reopenable: true},
-	}
-
-	wantPrivate := make([]string, 0, len(tests))
-	wantPublic := make([]string, 0, len(tests))
-
-	for _, tt := range tests {
-		if tt.public {
-			wantPublic = append(wantPublic, tt.cidr)
-		} else {
-			wantPrivate = append(wantPrivate, tt.cidr)
-		}
-	}
-
-	gotPrivate := make([]string, 0, len(tests))
-	for _, n := range delivery.ExportBlockedNetworks() {
-		gotPrivate = append(gotPrivate, n.String())
-	}
-
-	gotPublic := make([]string, 0, len(tests))
-	for _, n := range delivery.ExportBlockedPublicNetworks() {
-		gotPublic = append(gotPublic, n.String())
-	}
-
-	assert.ElementsMatch(t, wantPrivate, gotPrivate, "blockedNetworks")
-	assert.ElementsMatch(t, wantPublic, gotPublic, "blockedPublicNetworks")
-
-	for _, tt := range tests {
-		t.Run(tt.cidr, func(t *testing.T) {
-			t.Parallel()
-
-			prefix := netip.MustParsePrefix(tt.cidr)
-			ip := net.IP(prefix.Addr().AsSlice())
-
-			require.Error(t,
-				delivery.NewTestGuard().ExportCheckIP(ip),
-				"the default guard must refuse %s", ip,
-			)
-
-			err := delivery.NewTestGuard(prefix).ExportCheckIP(ip)
-			if tt.reopenable {
-				assert.NoError(t, err, "listing %s must open it", tt.cidr)
-			} else {
-				assert.Error(t, err, "listing %s must not open it", tt.cidr)
-			}
-		})
-	}
-}
-
 // requireLoopback fails the test unless rawURL's host is a
 // loopback address, so the allowlist test cannot silently stop
 // exercising a blocked range.

internal/delivery/ssrf_test.go

@@ -10,7 +10,7 @@ import (
 	"sneak.berlin/go/webhooker/internal/delivery"
 )
 
-func TestGuardCheckIP_PrivateRanges(t *testing.T) {
+func TestIsBlockedIP_PrivateRanges(t *testing.T) {
 	t.Parallel()
 
 	tests := []struct {
@@ -56,14 +56,12 @@ func TestGuardCheckIP_PrivateRanges(t *testing.T) {
 				"failed to parse IP %s", tt.ip,
 			)
 
-			refused := delivery.NewTestGuard().ExportCheckIP(ip) != nil
-
 			assert.Equal(t,
 				tt.blocked,
-				refused,
+				delivery.ExportIsBlockedIP(ip),
-				"default guard refuses %s = %v, want %v",
+				"isBlockedIP(%s) = %v, want %v",
 				tt.ip,
-				refused,
+				delivery.ExportIsBlockedIP(ip),
 				tt.blocked,
 			)
 		})
@@ -101,42 +99,6 @@ func TestValidateTargetURL_Blocked(t *testing.T) {
 	}
 }
 
-// TestDefaultGuard_RefusesUnspecifiedMulticastAndDocumentation
-// covers the unspecified addresses and the IPv6 multicast and
-// documentation ranges: with no allowlist set, each is refused
-// both when a target is created and when a delivery dials it.
-func TestDefaultGuard_RefusesUnspecifiedMulticastAndDocumentation(
-	t *testing.T,
-) {
-	t.Parallel()
-
-	guard := delivery.NewTestGuard()
-
-	targets := []string{
-		// The unspecified addresses. On Linux a connection to
-		// either reaches this host's loopback.
-		"http://0.0.0.0:8080/hook",
-		"http://[::]:8080/hook",
-		// IPv6 multicast, all nodes.
-		"http://[ff02::1]/hook",
-		// IPv6 documentation.
-		"http://[2001:db8::1]/hook",
-	}
-
-	for _, target := range targets {
-		t.Run(target, func(t *testing.T) {
-			t.Parallel()
-
-			require.Error(t,
-				guard.ValidateTargetURL(context.Background(), target),
-				"%s must be refused at target creation", target,
-			)
-
-			assertDialRefused(t, guard, target)
-		})
-	}
-}
-
 func TestValidateTargetURL_Allowed(t *testing.T) {
 	t.Parallel()
 

internal/delivery/target_database.go

@@ -4,7 +4,6 @@ import (
 	"context"
 	"fmt"
 	"path/filepath"
-	"strings"
 	"sync"
 	"time"
 
@@ -12,75 +11,22 @@ import (
 	"sneak.berlin/go/webhooker/internal/database"
 )
 
-// archiveNameMaxLen is how many characters of a webhook or target
+// databaseTarget is a no-retry target that archives the
-// name an archive file name keeps.
+// full inbound event into a per-webhook archive SQLite file,
-const archiveNameMaxLen = 40
+// separate from the per-webhook event database. The event is
-
+// already persisted in the per-webhook event DB by the time
-// databaseTarget is a no-retry target that archives the full
+// delivery runs; the database target additionally writes a
-// inbound event into the target's own archive SQLite file, separate
+// durable long-term copy into archive-{webhookID}.db and then
-// from the per-webhook event database. The event is already
+// records a single attempt whose outcome reflects whether the
-// persisted in the per-webhook event DB by the time delivery runs;
+// archive write succeeded. See archiveWriter for the
-// the database target additionally writes a durable long-term copy
+// close/reopen, auto-recreate, and expiry semantics.
-// into the file ArchiveFileName names and then records a single
-// attempt whose outcome reflects whether the archive write
-// succeeded. See archiveWriter for the close/reopen, auto-recreate,
-// and expiry semantics.
 type databaseTarget struct {
 	eng *Engine
 
-	// writers holds one archive writer per database target, keyed
-	// by target ID.
 	mu      sync.Mutex
 	writers map[string]*archiveWriter
 }
 
-// ArchiveFileName returns the file name of a database target's
-// archive: archive-WEBHOOKNAME-TARGETNAME-TARGETID.db, with both
-// names passed through archiveNamePart. The target ID keeps the
-// name unique when two targets' names come out the same.
-func ArchiveFileName(webhookName, targetName, targetID string) string {
-	return "archive-" + archiveNamePart(webhookName) + "-" +
-		archiveNamePart(targetName) + "-" + targetID + ".db"
-}
-
-// archiveNamePart makes a webhook or target name safe to put in a
-// file name. It is lowercased; ASCII letters and digits are kept,
-// every other run of characters becomes a single "-", and no "-" is
-// left at either end. It is cut to archiveNameMaxLen characters, and
-// a name with nothing left is "unnamed".
-func archiveNamePart(name string) string {
-	var b strings.Builder
-
-	dash := false
-
-	for _, r := range strings.ToLower(name) {
-		if (r < 'a' || r > 'z') && (r < '0' || r > '9') {
-			dash = b.Len() > 0
-
-			continue
-		}
-
-		if dash {
-			b.WriteByte('-')
-
-			dash = false
-		}
-
-		b.WriteRune(r)
-	}
-
-	part := b.String()
-	if len(part) > archiveNameMaxLen {
-		part = strings.TrimRight(part[:archiveNameMaxLen], "-")
-	}
-
-	if part == "" {
-		return "unnamed"
-	}
-
-	return part
-}
-
 // Deliver implements Target. It archives the event, then
 // records one successful attempt and marks the delivery
 // delivered. An archiving error fails the delivery: the
@@ -146,7 +92,7 @@ func (t *databaseTarget) Deliver(
 	)
 }
 
-// archive writes the full event as a row into the target's
+// archive writes the full event as a row into the webhook's
 // archive database, honouring the optional per-target expiry
 // parsed from the target config JSON.
 func (t *databaseTarget) archive(d *database.Delivery) error {
@@ -160,7 +106,7 @@ func (t *databaseTarget) archive(d *database.Delivery) error {
 		return err
 	}
 
-	w, err := t.writerFor(d.TargetID)
+	w, err := t.writerFor(webhookID)
 	if err != nil {
 		return err
 	}
@@ -178,31 +124,30 @@ func (t *databaseTarget) archive(d *database.Delivery) error {
 	return w.write(row, expiry)
 }
 
-// writerFor returns the archive writer for a database target,
+// writerFor returns the archiveWriter for a webhook, creating
-// creating and caching it on first use. Each target has one writer
+// and caching it on first use. Each webhook has one writer so
-// so its close/reopen debounce state is shared across concurrent
+// its close/reopen debounce state is shared across concurrent
-// deliveries, and so a rename and the idle sweep take the same lock
+// deliveries. The archive file lives beside the per-webhook
-// as its writes.
+// event database in the data directory.
 func (t *databaseTarget) writerFor(
-	targetID string,
+	webhookID string,
 ) (*archiveWriter, error) {
-	t.mu.Lock()
+	path, err := t.archivePath(webhookID)
-	defer t.mu.Unlock()
-
-	w, ok := t.writers[targetID]
-	if !ok {
-		var err error
-
-		w, err = t.newWriter(targetID)
 	if err != nil {
 		return nil, err
 	}
 
+	t.mu.Lock()
+	defer t.mu.Unlock()
+
 	if t.writers == nil {
 		t.writers = make(map[string]*archiveWriter)
 	}
 
-		t.writers[targetID] = w
+	w, ok := t.writers[webhookID]
+	if !ok {
+		w = newArchiveWriter(path, t.eng.log)
+		t.writers[webhookID] = w
 	}
 
 	// A delivery claims the entry: even if the idle sweep created
@@ -214,39 +159,40 @@ func (t *databaseTarget) writerFor(
 }
 
 // sweepWriterFor returns the archive writer the idle sweep should
-// prune a target's archive through, together with whether the sweep
+// prune a webhook through, together with whether the sweep itself
-// itself created the registry entry.
+// created the registry entry.
 //
 // The sweep must route its prune through the registered writer so
 // the writer's mutex orders it against concurrent writes, but it
 // must never leave a registry entry behind: a sweep that ran
-// concurrently with the target's deletion would otherwise
+// concurrently with the webhook's deletion would otherwise
 // re-create an entry that nothing will ever evict again, which is
 // exactly the leak eviction exists to prevent. An entry the sweep
 // creates is therefore marked sweep-owned and handed back to
 // releaseSweepWriter when the sweep is done.
 func (t *databaseTarget) sweepWriterFor(
-	targetID string,
+	webhookID string,
 ) (*archiveWriter, bool, error) {
-	t.mu.Lock()
+	path, err := t.archivePath(webhookID)
-	defer t.mu.Unlock()
-
-	w, ok := t.writers[targetID]
-	if ok {
-		return w, false, nil
-	}
-
-	w, err := t.newWriter(targetID)
 	if err != nil {
 		return nil, false, err
 	}
 
+	t.mu.Lock()
+	defer t.mu.Unlock()
+
 	if t.writers == nil {
 		t.writers = make(map[string]*archiveWriter)
 	}
 
+	w, ok := t.writers[webhookID]
+	if ok {
+		return w, false, nil
+	}
+
+	w = newArchiveWriter(path, t.eng.log)
 	w.sweepOwned = true
-	t.writers[targetID] = w
+	t.writers[webhookID] = w
 
 	return w, true, nil
 }
@@ -263,95 +209,57 @@ func (t *databaseTarget) sweepWriterFor(
 // delivery that adopted the writer keeps a registered, evictable
 // one.
 func (t *databaseTarget) releaseSweepWriter(
-	targetID string, w *archiveWriter,
+	webhookID string, w *archiveWriter,
 ) {
 	t.mu.Lock()
 	defer t.mu.Unlock()
 
-	cur, ok := t.writers[targetID]
+	cur, ok := t.writers[webhookID]
 	if !ok || cur != w || !cur.sweepOwned {
 		return
 	}
 
-	delete(t.writers, targetID)
+	delete(t.writers, webhookID)
 }
 
-// newWriter builds the writer for a database target's archive. The
+// archivePath returns the archive file path for a webhook: it
-// file lives beside the webhook's event database in the data
+// lives beside the per-webhook event database in the data
-// directory and is named for the webhook and the target as the main
+// directory. It does not touch the filesystem.
-// database has them now; from then on only rename changes the name
+func (t *databaseTarget) archivePath(
-// the writer uses. It does not touch the archive file.
+	webhookID string,
-func (t *databaseTarget) newWriter(
+) (string, error) {
-	targetID string,
-) (*archiveWriter, error) {
 	if t.eng.dbManager == nil {
-		return nil, errArchiveNoDataDir
+		return "", errArchiveNoDataDir
 	}
 
-	var target database.Target
+	dir := filepath.Dir(t.eng.dbManager.DBPath(webhookID))
 
-	err := t.eng.database.DB().
+	return filepath.Join(
-		Preload("Webhook").
+		dir, fmt.Sprintf("archive-%s.db", webhookID),
-		First(&target, "id = ?", targetID).Error
+	), nil
-	if err != nil {
-		return nil, fmt.Errorf(
-			"loading database target %s: %w", targetID, err,
-		)
-	}
-
-	dir := filepath.Dir(t.eng.dbManager.DBPath(target.WebhookID))
-	name := ArchiveFileName(
-		target.Webhook.Name, target.Name, target.ID,
-	)
-
-	w := newArchiveWriter(filepath.Join(dir, name), t.eng.log)
-	w.webhookID = target.WebhookID
-
-	return w, nil
 }
 
-// rename moves a database target's archive file to the name for
+// evict drops a webhook's archive writer from the registry and
-// webhookName and targetName. It goes through the target's writer,
+// closes its handle, so a deleted webhook does not leave a
-// so the move holds the lock that writes and the idle sweep take,
+// writer (and an open archive handle within its debounce
-// and later writes use the new name.
+// window) alive for the process lifetime.
-//
-// The writer is created if there is none, and it stays cached. The
-// handlers rename before they save the new name, so until the save
-// the main database still has the old one; a delivery in that window
-// must find this writer rather than build one from the old name.
-func (t *databaseTarget) rename(
-	targetID, webhookName, targetName string,
-) error {
-	w, err := t.writerFor(targetID)
-	if err != nil {
-		return err
-	}
-
-	return w.rename(ArchiveFileName(webhookName, targetName, targetID))
-}
-
-// evict drops a database target's archive writer from the registry
-// and closes its handle, so a deleted target does not leave a
-// writer (and an open archive handle within its debounce window)
-// alive for the process lifetime.
 //
 // The map entry is removed under the registry lock, which is
 // then released before the handle is closed under the writer's
 // own lock: that ordering keeps the registry available to other
-// targets while an in-flight write on this one drains, and
+// webhooks while an in-flight write on this one drains, and
 // closing under the writer's lock means eviction can never race
 // a write.
 //
-// Eviction is idempotent and silent for a target with no writer,
+// Eviction is idempotent and silent for a webhook with no
-// which is the common case: only a database target that has
+// writer, which is the common case: a webhook with no database
-// received an event or been renamed has one. It never deletes the
+// target never creates one. It never deletes the archive file.
-// archive file.
+func (t *databaseTarget) evict(webhookID string) {
-func (t *databaseTarget) evict(targetID string) {
 	t.mu.Lock()
 
-	w, ok := t.writers[targetID]
+	w, ok := t.writers[webhookID]
 	if ok {
-		delete(t.writers, targetID)
+		delete(t.writers, webhookID)
 	}
 
 	t.mu.Unlock()
@@ -362,43 +270,15 @@ func (t *databaseTarget) evict(targetID string) {
 
 	w.evict()
 
-	t.eng.log.Info(
-		"evicted archive writer",
-		"target_id", targetID,
-		"path", w.path,
-	)
-}
-
-// evictWebhook evicts, exactly as evict does, the writer of every
-// database target of a webhook.
-func (t *databaseTarget) evictWebhook(webhookID string) {
-	t.mu.Lock()
-
-	var gone []*archiveWriter
-
-	for targetID, w := range t.writers {
-		if w.webhookID == webhookID {
-			delete(t.writers, targetID)
-
-			gone = append(gone, w)
-		}
-	}
-
-	t.mu.Unlock()
-
-	for _, w := range gone {
-		w.evict()
-
 	t.eng.log.Info(
 		"evicted archive writer",
 		"webhook_id", webhookID,
 		"path", w.path,
 	)
-	}
 }
 
 // evictAll evicts every cached archive writer, exactly as evict
-// does for one target. The engine calls it at shutdown, once its
+// does for one webhook. The engine calls it at shutdown, once its
 // workers have returned. Closing the last handle on an archive
 // moves the contents of its -wal into the .db and removes the
 // -wal, so a clean stop leaves each archive as a single file.
@@ -415,25 +295,38 @@ func (t *databaseTarget) evictAll() {
 	}
 }
 
-// sweepArchive prunes one database target's archive of rows older
+// sweepWebhook prunes one webhook's archive of rows older than
-// than expiry, without requiring a write. A missing archive file is
+// expiry, without requiring a write. It returns nil (nothing to
-// left missing (see sweepExpired), so a sweep never creates an
+// do) when the archive file does not exist, so a sweep never
-// archive for a target that has never received an event.
+// creates an archive for a webhook that has a database target
+// but has never received an event.
 //
 // It also never leaves a registry entry behind: an entry it had
 // to create to reach the writer's mutex is released again once
-// the prune is done, so a sweep racing a target deletion cannot
+// the prune is done, so a sweep racing a webhook deletion cannot
 // resurrect the writer the eviction just dropped.
-func (t *databaseTarget) sweepArchive(
+func (t *databaseTarget) sweepWebhook(
-	targetID string, expiry time.Duration,
+	webhookID string, expiry time.Duration,
 ) error {
-	w, created, err := t.sweepWriterFor(targetID)
+	path, err := t.archivePath(webhookID)
+	if err != nil {
+		return err
+	}
+
+	// Check before taking a writer at all: a webhook whose
+	// archive has never been created gets no writer, no handle,
+	// and no file.
+	if !fileExists(path) {
+		return nil
+	}
+
+	w, created, err := t.sweepWriterFor(webhookID)
 	if err != nil {
 		return err
 	}
 
 	if created {
-		defer t.releaseSweepWriter(targetID, w)
+		defer t.releaseSweepWriter(webhookID, w)
 	}
 
 	return w.sweepExpired(expiry)

internal/delivery/target_database_archive.go

@@ -4,10 +4,8 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
-	"io/fs"
 	"log/slog"
 	"os"
-	"path/filepath"
 	"sync"
 	"time"
 
@@ -43,7 +41,7 @@ const (
 
 var (
 	// errArchiveMissingWebhookID is returned when an event to
-	// archive has no webhook id to record in its archive row.
+	// archive has no webhook id to key its archive file on.
 	errArchiveMissingWebhookID = errors.New(
 		"cannot archive event without a webhook id",
 	)
@@ -63,19 +61,13 @@ var (
 	)
 
 	// errArchiveWriterEvicted is returned when a writer that has
-	// been evicted (its target or its webhook was deleted) is used
+	// been evicted (its webhook was deleted, or its last database
-	// again. An evicted writer is no longer in the registry, so
+	// target was removed) is used again. An evicted writer is no
-	// reopening its file would leak a handle nothing owns.
+	// longer in the registry, so reopening its file would leak a
+	// handle nothing owns.
 	errArchiveWriterEvicted = errors.New(
 		"archive writer has been evicted",
 	)
-
-	// ErrArchiveNameTaken is returned when an archive cannot be
-	// renamed because a file already has the new name. That file may
-	// be an archive with rows of its own, so it is never replaced.
-	ErrArchiveNameTaken = errors.New(
-		"a file already has the archive's new name",
-	)
 )
 
 // databaseTargetConfig is the optional per-target JSON config
@@ -88,7 +80,7 @@ type databaseTargetConfig struct {
 }
 
 // archivedEvent is one fully captured webhook event stored in a
-// database target's archive for long-term retention. It is a
+// per-webhook archive database for long-term retention. It is a
 // self-contained copy — independent of the per-webhook event
 // database, which may prune events under its own retention.
 type archivedEvent struct {
@@ -178,8 +170,8 @@ func ValidateArchiveExpiry(expiry string) error {
 	return nil
 }
 
-// archiveWriter owns one database target's archive SQLite file.
+// archiveWriter owns one per-webhook archive SQLite file. It
-// It serialises writes, and after each write closes and reopens
+// serialises writes, and after each write closes and reopens
 // the file (debounced to at most once per debounce window) so
 // an operator can move the file away for offline archiving. The
 // next write recreates a moved or removed file, because the
@@ -195,21 +187,16 @@ type archiveWriter struct {
 	reopens    int
 
 	// evicted marks a writer that has been removed from the
-	// registry. Its handle is closed and it must never open the
+	// per-webhook registry. Its handle is closed and it must
-	// file again: nothing holds it any more, so a reopen would
+	// never open the file again: nothing holds it any more, so a
-	// leak the handle for the process lifetime.
+	// reopen would leak the handle for the process lifetime.
 	evicted bool
 
-	// webhookID is the webhook the archive's target belongs to,
-	// so deleting the webhook can find its writers. It is set
-	// when the writer is created and never changes.
-	webhookID string
-
 	// sweepOwned marks a registry entry that the idle sweep
-	// created because no writer was cached for the target. The
+	// created because no writer was cached for the webhook. The
 	// sweep removes such an entry again when it is done, so a
 	// sweep can never leave — or resurrect — a registry entry
-	// for a target that has been deleted. A delivery that adopts
+	// for a webhook that has been deleted. A delivery that adopts
 	// the writer clears the flag, handing the entry to the
 	// registry proper.
 	//
@@ -398,78 +385,11 @@ func (w *archiveWriter) sweepExpired(expiry time.Duration) error {
 	return nil
 }
 
-// rename gives the archive file a new name in the same directory,
-// and the writer uses the file under that name from now on. The
-// handle is closed first, which folds the -wal into the .db; any
-// -wal or -shm still beside the file (left by a crash) is moved with
-// it, because SQLite finds them by name. A missing file is not an
-// error: the operator may have moved it away, and the next write
-// creates it under the new name.
-//
-// If a file already has the new name, nothing is moved and the
-// error is ErrArchiveNameTaken. If one file fails to move, those
-// already moved are moved back before the error is returned, so the
-// archive is never split across two names.
-func (w *archiveWriter) rename(name string) error {
-	w.mu.Lock()
-	defer w.mu.Unlock()
-
-	if w.evicted {
-		return fmt.Errorf(
-			"%w: %s", errArchiveWriterEvicted, w.path,
-		)
-	}
-
-	path := filepath.Join(filepath.Dir(w.path), name)
-	if path == w.path {
-		return nil
-	}
-
-	suffixes := []string{"", "-wal", "-shm"}
-
-	for _, suffix := range suffixes {
-		if fileExists(path + suffix) {
-			return fmt.Errorf(
-				"%w: %s", ErrArchiveNameTaken, name+suffix,
-			)
-		}
-	}
-
-	w.close()
-
-	for i, suffix := range suffixes {
-		err := os.Rename(w.path+suffix, path+suffix)
-		if err == nil || errors.Is(err, fs.ErrNotExist) {
-			continue
-		}
-
-		for _, moved := range suffixes[:i] {
-			backErr := os.Rename(path+moved, w.path+moved)
-			if backErr != nil && !errors.Is(backErr, fs.ErrNotExist) {
-				w.log.Error(
-					"failed to move archive file back",
-					"from", path+moved,
-					"to", w.path+moved,
-					"error", backErr,
-				)
-			}
-		}
-
-		return fmt.Errorf(
-			"renaming archive %s to %s: %w", w.path+suffix, path+suffix, err,
-		)
-	}
-
-	w.path = path
-
-	return nil
-}
-
 // evict closes the writer's handle and marks it unusable. It is
-// called when the writer leaves the registry, because its target
+// called when the writer leaves the registry, either because the
-// or its webhook was deleted, or at shutdown. The archive FILE is
+// webhook was deleted or because its last database target was
-// deliberately left on disk: it is long-term storage an operator
+// removed. The archive FILE is deliberately left on disk: it is
-// may still want.
+// long-term storage an operator may still want.
 func (w *archiveWriter) evict() {
 	w.mu.Lock()
 	defer w.mu.Unlock()

internal/delivery/target_database_evict_test.go

@@ -17,109 +17,85 @@ import (
 	"sneak.berlin/go/webhooker/internal/delivery"
 )
 
-// deliverTo archives one event to a database target, leaving the
+// evictTestEngine builds an engine backed by a temporary data
-// target's writer cached with its handle open.
+// directory and returns it along with that directory.
-func deliverTo(
+func evictTestEngine(t *testing.T) (*delivery.Engine, string) {
-	t *testing.T, env *archiveEnv, tgt *database.Target,
-) {
 	t.Helper()
 
-	webhookDB := testWebhookDB(t)
+	dataDir := t.TempDir()
-	event := seedEvent(t, webhookDB, `{"archived":true}`)
 
-	env.eng.ExportDeliverDatabase(
+	eng := delivery.NewTestEngineWithDB(
-		webhookDB, seedDatabaseTargetDelivery(t, webhookDB, event, tgt),
+		nil,
+		database.NewTestWebhookDBManager(dataDir),
+		archiveTestLogger(),
+		&http.Client{Timeout: 5 * time.Second},
+		1,
 	)
+
+	return eng, dataDir
 }
 
 // TestEvictWebhook_ClosesAndRemovesWriter proves that evicting
-// a webhook drops the archive writers of its database targets
+// a webhook drops its archive writer from the registry and
-// from the registry and closes their open handles, rather than
+// closes the open archive handle, rather than leaving both
-// leaving them alive for the process lifetime, and leaves another
+// alive for the process lifetime.
-// webhook's writer alone.
 func TestEvictWebhook_ClosesAndRemovesWriter(t *testing.T) {
 	t.Parallel()
 
-	env := setupArchiveTest(t)
+	eng, dataDir := evictTestEngine(t)
-	first := env.seedDatabaseTarget(t, "")
-	second := env.addDatabaseTarget(t, first.WebhookID, "")
-	other := env.seedDatabaseTarget(t, "")
 
-	for _, tgt := range []*database.Target{first, second, other} {
+	webhookDB := testWebhookDB(t)
-		deliverTo(t, env, tgt)
+	event := seedEvent(t, webhookDB, `{"archived":true}`)
+	d := seedDatabaseTargetDelivery(t, webhookDB, event, "")
+
+	eng.ExportDeliverDatabase(webhookDB, d)
+
+	webhookID := event.WebhookID
 
 	require.True(
-			t, env.eng.ExportArchiveHandleOpen(tgt.ID),
+		t, eng.ExportHasArchiveWriter(webhookID),
+		"a delivery should have cached an archive writer",
+	)
+	require.True(
+		t, eng.ExportArchiveHandleOpen(webhookID),
 		"the writer should hold an open handle after a write",
 	)
-	}
 
-	env.eng.EvictWebhook(first.WebhookID)
+	eng.EvictWebhook(webhookID)
 
-	for _, tgt := range []*database.Target{first, second} {
 	assert.False(
-			t, env.eng.ExportHasArchiveWriter(tgt.ID),
+		t, eng.ExportHasArchiveWriter(webhookID),
 		"eviction should remove the registry entry",
 	)
 	assert.False(
-			t, env.eng.ExportArchiveHandleOpen(tgt.ID),
+		t, eng.ExportArchiveHandleOpen(webhookID),
 		"eviction should close the archive handle",
 	)
+
+	archivePath := filepath.Join(
+		dataDir, fmt.Sprintf("archive-%s.db", webhookID),
+	)
 	assert.FileExists(
-			t, env.archivePath(tgt),
+		t, archivePath,
 		"eviction must not delete the archive file",
 	)
-	}
-
-	assert.True(
-		t, env.eng.ExportArchiveHandleOpen(other.ID),
-		"another webhook's writer must be left alone",
-	)
-}
-
-// TestEvictTarget_LeavesOtherTargets proves that evicting one
-// database target leaves the writer of another target of the same
-// webhook in place.
-func TestEvictTarget_LeavesOtherTargets(t *testing.T) {
-	t.Parallel()
-
-	env := setupArchiveTest(t)
-	doomed := env.seedDatabaseTarget(t, "")
-	kept := env.addDatabaseTarget(t, doomed.WebhookID, "")
-
-	deliverTo(t, env, doomed)
-	deliverTo(t, env, kept)
-
-	env.eng.EvictTarget(doomed.ID)
-
-	assert.False(t, env.eng.ExportHasArchiveWriter(doomed.ID))
-	assert.FileExists(
-		t, env.archivePath(doomed),
-		"eviction must not delete the archive file",
-	)
-	assert.True(
-		t, env.eng.ExportArchiveHandleOpen(kept.ID),
-		"the other target's writer must be left alone",
-	)
 }
 
 // TestEvictWebhook_UnknownWebhookIsNoOp proves eviction is safe
-// for the common case of a webhook or target that never had an
+// for the common case of a webhook that never had a database
-// archive writer, and that repeating it does not panic.
+// target, and that repeating it does not panic.
 func TestEvictWebhook_UnknownWebhookIsNoOp(t *testing.T) {
 	t.Parallel()
 
-	env := setupArchiveTest(t)
+	eng, _ := evictTestEngine(t)
 
 	assert.NotPanics(t, func() {
-		env.eng.EvictWebhook("no-such-webhook")
+		eng.EvictWebhook("no-such-webhook")
-		env.eng.EvictWebhook("no-such-webhook")
+		eng.EvictWebhook("no-such-webhook")
-		env.eng.EvictTarget("no-such-target")
-		env.eng.EvictTarget("no-such-target")
 	})
 
 	assert.False(
-		t, env.eng.ExportHasArchiveWriter("no-such-target"),
+		t, eng.ExportHasArchiveWriter("no-such-webhook"),
 		"eviction must not create a writer",
 	)
 }
@@ -313,14 +289,17 @@ func TestEvictWebhook_RacingWriteDoesNotReopenHandle(
 ) {
 	t.Parallel()
 
-	env := setupArchiveTest(t)
+	eng, _ := evictTestEngine(t)
-	tgt := env.seedDatabaseTarget(t, "")
+
+	webhookDB := testWebhookDB(t)
+	event := seedEvent(t, webhookDB, `{"archived":true}`)
+	d := seedDatabaseTargetDelivery(t, webhookDB, event, "")
 
 	// Prime the registry so the test can hold the very writer the
 	// eviction is about to detach.
-	deliverTo(t, env, tgt)
+	eng.ExportDeliverDatabase(webhookDB, d)
 
-	w := env.eng.ExportArchiveWriterFor(tgt.ID)
+	w := eng.ExportArchiveWriterFor(event.WebhookID)
 	require.NotNil(t, w)
 	require.True(t, w.HandleOpen())
 
@@ -330,7 +309,7 @@ func TestEvictWebhook_RacingWriteDoesNotReopenHandle(
 	// eviction has to contend for the writer's mutex.
 	race.awaitFirstWrite()
 
-	env.eng.EvictWebhook(tgt.WebhookID)
+	eng.EvictWebhook(event.WebhookID)
 
 	sawEvicted, otherErr := race.wait()
 
@@ -345,33 +324,41 @@ func TestEvictWebhook_RacingWriteDoesNotReopenHandle(
 			"been evicted",
 	)
 	assert.False(
-		t, env.eng.ExportHasArchiveWriter(tgt.ID),
+		t, eng.ExportHasArchiveWriter(event.WebhookID),
 		"the registry entry must stay gone",
 	)
 }
 
 // TestEvictWebhook_LaterDeliveryRecreatesWriter proves eviction
-// does not break archiving for a target that is still alive: a
+// does not break archiving for a webhook that is still alive: a
 // subsequent delivery gets a brand new writer from the registry.
 // It says nothing about the evicted writer itself — that is what
 // TestEvictedWriter_WriteDoesNotReopenFile covers.
 func TestEvictWebhook_LaterDeliveryRecreatesWriter(t *testing.T) {
 	t.Parallel()
 
-	env := setupArchiveTest(t)
+	eng, _ := evictTestEngine(t)
-	tgt := env.seedDatabaseTarget(t, "")
 
-	deliverTo(t, env, tgt)
+	webhookDB := testWebhookDB(t)
-	require.True(t, env.eng.ExportHasArchiveWriter(tgt.ID))
+	event := seedEvent(t, webhookDB, `{"archived":true}`)
+	d := seedDatabaseTargetDelivery(t, webhookDB, event, "")
 
-	env.eng.EvictWebhook(tgt.WebhookID)
+	eng.ExportDeliverDatabase(webhookDB, d)
+	require.True(
+		t, eng.ExportHasArchiveWriter(event.WebhookID),
+	)
 
-	// A fresh delivery for the same target gets a brand new
+	eng.EvictWebhook(event.WebhookID)
+
+	// A fresh delivery for the same webhook gets a brand new
 	// writer from the registry, so archiving keeps working.
-	deliverTo(t, env, tgt)
+	second := seedDatabaseTargetDelivery(
+		t, webhookDB, event, "",
+	)
+	eng.ExportDeliverDatabase(webhookDB, second)
 
 	assert.True(
-		t, env.eng.ExportHasArchiveWriter(tgt.ID),
+		t, eng.ExportHasArchiveWriter(event.WebhookID),
 		"a later delivery should recreate the writer",
 	)
 }
@@ -383,16 +370,19 @@ func TestEvictWebhook_LaterDeliveryRecreatesWriter(t *testing.T) {
 func TestEngineStop_WriteAfterStopIsRefused(t *testing.T) {
 	t.Parallel()
 
-	env := setupArchiveTest(t)
+	eng, _ := evictTestEngine(t)
-	tgt := env.seedDatabaseTarget(t, "")
 
-	deliverTo(t, env, tgt)
+	webhookDB := testWebhookDB(t)
+	event := seedEvent(t, webhookDB, `{"archived":true}`)
+	d := seedDatabaseTargetDelivery(t, webhookDB, event, "")
 
-	w := env.eng.ExportArchiveWriterFor(tgt.ID)
+	eng.ExportDeliverDatabase(webhookDB, d)
+
+	w := eng.ExportArchiveWriterFor(event.WebhookID)
 	require.NotNil(t, w)
 	require.True(t, w.HandleOpen())
 
-	require.NoError(t, env.eng.ExportStop(context.Background()))
+	require.NoError(t, eng.ExportStop(context.Background()))
 
 	err := w.Write(evictTestRow("ev-after-stop"), 0)
 
@@ -405,7 +395,7 @@ func TestEngineStop_WriteAfterStopIsRefused(t *testing.T) {
 		"a refused write must not reopen the archive",
 	)
 	assert.False(
-		t, env.eng.ExportHasArchiveWriter(tgt.ID),
+		t, eng.ExportHasArchiveWriter(event.WebhookID),
 		"the stop should empty the registry",
 	)
 

internal/delivery/target_database_test.go

@@ -4,12 +4,13 @@ import (
 	"database/sql"
 	"fmt"
 	"log/slog"
+	"net/http"
 	"os"
 	"path/filepath"
-	"strings"
 	"testing"
 	"time"
 
+	"github.com/google/uuid"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 	"gorm.io/driver/sqlite"
@@ -73,18 +74,25 @@ func removeArchiveFiles(t *testing.T, path string) {
 
 // TestDeliverDatabase_ArchivesEvent verifies that delivering to
 // a database target marks the delivery delivered and archives
-// the full event into the target's own archive file.
+// the full event into a separate per-webhook archive file.
 func TestDeliverDatabase_ArchivesEvent(t *testing.T) {
 	t.Parallel()
 
-	env := setupArchiveTest(t)
+	dataDir := t.TempDir()
-	tgt := env.seedDatabaseTarget(t, "")
+	dbMgr := database.NewTestWebhookDBManager(dataDir)
+
+	e := delivery.NewTestEngineWithDB(
+		nil, dbMgr,
+		archiveTestLogger(),
+		&http.Client{Timeout: 5 * time.Second},
+		1,
+	)
 
 	webhookDB := testWebhookDB(t)
 	event := seedEvent(t, webhookDB, `{"archived":true}`)
-	d := seedDatabaseTargetDelivery(t, webhookDB, event, tgt)
+	d := seedDatabaseTargetDelivery(t, webhookDB, event, "")
 
-	env.eng.ExportDeliverDatabase(webhookDB, d)
+	e.ExportDeliverDatabase(webhookDB, d)
 
 	var updated database.Delivery
 
@@ -97,7 +105,8 @@ func TestDeliverDatabase_ArchivesEvent(t *testing.T) {
 	)
 
 	archivePath := filepath.Join(
-		env.dataDir, "archive-sweep-test-archive-"+tgt.ID+".db",
+		dataDir,
+		fmt.Sprintf("archive-%s.db", event.WebhookID),
 	)
 	assert.FileExists(t, archivePath)
 
@@ -279,31 +288,31 @@ func TestParseArchiveExpiry(t *testing.T) {
 	}
 }
 
-// seedDatabaseTargetDelivery seeds a pending delivery of an event
+// seedDatabaseTargetDelivery seeds a pending delivery for a
-// to a database target and returns the in-memory delivery the
+// database target with the given config JSON and returns the
-// target handler is invoked with.
+// in-memory delivery the target handler is invoked with.
 func seedDatabaseTargetDelivery(
 	t *testing.T,
 	webhookDB *gorm.DB,
 	event database.Event,
-	tgt *database.Target,
+	config string,
 ) *database.Delivery {
 	t.Helper()
 
 	dlv := seedDelivery(
-		t, webhookDB, event.ID, tgt.ID,
+		t, webhookDB, event.ID, uuid.New().String(),
 		database.DeliveryStatusPending,
 	)
 
 	d := &database.Delivery{
 		EventID:  event.ID,
-		TargetID: tgt.ID,
+		TargetID: dlv.TargetID,
 		Status:   database.DeliveryStatusPending,
 		Event:    event,
 		Target: database.Target{
-			Name:   tgt.Name,
+			Name:   "test-db",
 			Type:   database.TargetTypeDatabase,
-			Config: tgt.Config,
+			Config: config,
 		},
 	}
 	d.ID = dlv.ID
@@ -321,14 +330,22 @@ func TestDeliverDatabase_ArchiveFailureFailsDelivery(
 ) {
 	t.Parallel()
 
-	env := setupArchiveTest(t)
+	dataDir := t.TempDir()
-	tgt := env.seedDatabaseTarget(t, `{"expiry":"nonsense"}`)
+
+	e := delivery.NewTestEngineWithDB(
+		nil, database.NewTestWebhookDBManager(dataDir),
+		archiveTestLogger(),
+		&http.Client{Timeout: 5 * time.Second},
+		1,
+	)
 
 	webhookDB := testWebhookDB(t)
 	event := seedEvent(t, webhookDB, `{"archived":false}`)
-	d := seedDatabaseTargetDelivery(t, webhookDB, event, tgt)
+	d := seedDatabaseTargetDelivery(
+		t, webhookDB, event, `{"expiry":"nonsense"}`,
+	)
 
-	env.eng.ExportDeliverDatabase(webhookDB, d)
+	e.ExportDeliverDatabase(webhookDB, d)
 
 	var updated database.Delivery
 
@@ -356,7 +373,10 @@ func TestDeliverDatabase_ArchiveFailureFailsDelivery(
 	)
 
 	assert.NoFileExists(t,
-		env.archivePath(tgt),
+		filepath.Join(
+			dataDir,
+			fmt.Sprintf("archive-%s.db", event.WebhookID),
+		),
 		"no archive file should exist for a failed config",
 	)
 }
@@ -380,290 +400,3 @@ func TestValidateArchiveExpiry(t *testing.T) {
 		)
 	}
 }
-
-// TestArchiveFileName pins the archive file name and the rules
-// that make a webhook or target name safe to put in it.
-func TestArchiveFileName(t *testing.T) {
-	t.Parallel()
-
-	const id = "3f2a1c9e-8d4b-4c1a-9e2f-0a1b2c3d4e5f"
-
-	cases := []struct {
-		name    string
-		webhook string
-		target  string
-		want    string
-	}{
-		{
-			"plain names", "orders", "archive",
-			"archive-orders-archive-" + id + ".db",
-		},
-		{
-			"lowercased", "Orders", "Main Archive",
-			"archive-orders-main-archive-" + id + ".db",
-		},
-		{
-			"a run of other characters is one dash",
-			`a  /\..b`, "c__--d",
-			"archive-a-b-c-d-" + id + ".db",
-		},
-		{
-			"no dash at either end", "  --orders!! ", "(archive)",
-			"archive-orders-archive-" + id + ".db",
-		},
-		{
-			"path separators", "../../etc/passwd", "a/b",
-			"archive-etc-passwd-a-b-" + id + ".db",
-		},
-		{
-			"letters outside ASCII are dropped",
-			"Bestellungen Größe", "café",
-			"archive-bestellungen-gr-e-caf-" + id + ".db",
-		},
-		{
-			"nothing left is unnamed", "", "!!!",
-			"archive-unnamed-unnamed-" + id + ".db",
-		},
-		{
-			"cut to 40 characters", strings.Repeat("a", 50), "x",
-			"archive-" + strings.Repeat("a", 40) + "-x-" + id + ".db",
-		},
-		{
-			"no dash left by the cut",
-			strings.Repeat("a", 39) + " b", "x",
-			"archive-" + strings.Repeat("a", 39) + "-x-" + id + ".db",
-		},
-	}
-
-	for _, tc := range cases {
-		t.Run(tc.name, func(t *testing.T) {
-			t.Parallel()
-
-			assert.Equal(
-				t, tc.want,
-				delivery.ArchiveFileName(tc.webhook, tc.target, id),
-			)
-		})
-	}
-}
-
-// TestDeliverDatabase_EachTargetHasItsOwnArchive proves two
-// database targets of one webhook archive into separate files.
-func TestDeliverDatabase_EachTargetHasItsOwnArchive(t *testing.T) {
-	t.Parallel()
-
-	env := setupArchiveTest(t)
-	first := env.seedDatabaseTarget(t, "")
-	second := env.addDatabaseTarget(t, first.WebhookID, "")
-
-	webhookDB := testWebhookDB(t)
-	event := seedEvent(t, webhookDB, `{"n":1}`)
-
-	for _, tgt := range []*database.Target{first, second} {
-		env.eng.ExportDeliverDatabase(
-			webhookDB,
-			seedDatabaseTargetDelivery(t, webhookDB, event, tgt),
-		)
-	}
-
-	require.NotEqual(
-		t, env.archivePath(first), env.archivePath(second),
-	)
-	assert.Equal(
-		t, []string{event.ID},
-		archivedEventIDs(t, env.archivePath(first)),
-	)
-	assert.Equal(
-		t, []string{event.ID},
-		archivedEventIDs(t, env.archivePath(second)),
-	)
-}
-
-// TestRename_MovesTheFile proves a rename moves the archive, rows
-// and all, and that later writes go to the new name.
-func TestRename_MovesTheFile(t *testing.T) {
-	t.Parallel()
-
-	env := setupArchiveTest(t)
-	tgt := env.seedDatabaseTarget(t, "")
-	oldPath := env.archivePath(tgt)
-
-	webhookDB := testWebhookDB(t)
-	first := seedEvent(t, webhookDB, `{"n":1}`)
-	env.eng.ExportDeliverDatabase(
-		webhookDB, seedDatabaseTargetDelivery(t, webhookDB, first, tgt),
-	)
-	require.FileExists(t, oldPath)
-
-	require.NoError(
-		t, env.eng.Rename(tgt.ID, "Orders", "Long Term"),
-	)
-
-	newPath := filepath.Join(
-		env.dataDir, "archive-orders-long-term-"+tgt.ID+".db",
-	)
-
-	assert.NoFileExists(t, oldPath)
-	assert.Equal(t, []string{first.ID}, archivedEventIDs(t, newPath))
-
-	second := seedEvent(t, webhookDB, `{"n":2}`)
-	env.eng.ExportDeliverDatabase(
-		webhookDB,
-		seedDatabaseTargetDelivery(t, webhookDB, second, tgt),
-	)
-
-	assert.ElementsMatch(
-		t, []string{first.ID, second.ID},
-		archivedEventIDs(t, newPath),
-	)
-	assert.NoFileExists(
-		t, oldPath, "a write after the rename must use the new name",
-	)
-}
-
-// TestRename_NeverReplacesAFile plants a file at the new name, once
-// the .db alone, once a lone -wal and once a lone -shm, and proves
-// each time that the rename is refused, the planted file survives,
-// and the archive keeps its name and its rows.
-func TestRename_NeverReplacesAFile(t *testing.T) {
-	t.Parallel()
-
-	for _, suffix := range archiveFileSuffixes() {
-		t.Run("planted .db"+suffix, func(t *testing.T) {
-			t.Parallel()
-
-			env := setupArchiveTest(t)
-			tgt := env.seedDatabaseTarget(t, "")
-			oldPath := env.archivePath(tgt)
-
-			webhookDB := testWebhookDB(t)
-			first := seedEvent(t, webhookDB, `{"n":1}`)
-			env.eng.ExportDeliverDatabase(
-				webhookDB,
-				seedDatabaseTargetDelivery(t, webhookDB, first, tgt),
-			)
-
-			newPath := filepath.Join(
-				env.dataDir, "archive-orders-long-term-"+tgt.ID+".db",
-			)
-			plantedPath := newPath + suffix
-			require.NoError(
-				t, os.WriteFile(plantedPath, []byte("planted"), 0o600),
-			)
-
-			require.ErrorIs(
-				t, env.eng.Rename(tgt.ID, "Orders", "Long Term"),
-				delivery.ErrArchiveNameTaken,
-			)
-
-			//nolint:gosec // reads the file the test planted under t.TempDir()
-			planted, err := os.ReadFile(plantedPath)
-			require.NoError(t, err)
-			assert.Equal(t, "planted", string(planted))
-
-			second := seedEvent(t, webhookDB, `{"n":2}`)
-			env.eng.ExportDeliverDatabase(
-				webhookDB,
-				seedDatabaseTargetDelivery(t, webhookDB, second, tgt),
-			)
-
-			assert.ElementsMatch(
-				t, []string{first.ID, second.ID},
-				archivedEventIDs(t, oldPath),
-			)
-		})
-	}
-}
-
-// TestRename_BeforeTheNameIsSaved covers the order the handlers
-// use: they rename before they save the new name, so a delivery in
-// between must write under the new name although the main database
-// still has the old one. It also shows that renaming an archive that
-// does not exist yet is not an error.
-func TestRename_BeforeTheNameIsSaved(t *testing.T) {
-	t.Parallel()
-
-	env := setupArchiveTest(t)
-	tgt := env.seedDatabaseTarget(t, "")
-
-	require.NoError(
-		t, env.eng.Rename(tgt.ID, "Orders", "Archive"),
-	)
-
-	webhookDB := testWebhookDB(t)
-	event := seedEvent(t, webhookDB, `{"n":1}`)
-	env.eng.ExportDeliverDatabase(
-		webhookDB, seedDatabaseTargetDelivery(t, webhookDB, event, tgt),
-	)
-
-	assert.FileExists(
-		t,
-		filepath.Join(
-			env.dataDir, "archive-orders-archive-"+tgt.ID+".db",
-		),
-	)
-	assert.NoFileExists(t, env.archivePath(tgt))
-}
-
-// TestArchiveWriter_RenameMovesSidecars proves a rename carries
-// the -wal and -shm a crash can leave beside an archive no handle
-// has opened since. SQLite finds them by name, so a -wal left
-// behind would lose the transactions it holds.
-func TestArchiveWriter_RenameMovesSidecars(t *testing.T) {
-	t.Parallel()
-
-	dir := t.TempDir()
-	oldPath := filepath.Join(dir, "archive-old.db")
-	newPath := filepath.Join(dir, "archive-new.db")
-
-	for _, suffix := range archiveFileSuffixes() {
-		require.NoError(
-			t, os.WriteFile(oldPath+suffix, []byte(suffix), 0o600),
-		)
-	}
-
-	w := delivery.NewExportArchiveWriter(
-		oldPath, archiveTestLogger(), 0,
-	)
-
-	require.NoError(t, w.Rename("archive-new.db"))
-
-	for _, suffix := range archiveFileSuffixes() {
-		assert.NoFileExists(t, oldPath+suffix)
-		assert.FileExists(t, newPath+suffix)
-	}
-
-	assert.Equal(t, newPath, w.Path())
-}
-
-// TestArchiveWriter_RenameMovesBackOnFailure makes the -wal fail to
-// move after the .db has moved, and proves the .db is moved back, so
-// the archive is never split across two names. The new name is 255
-// bytes, the longest a file name may be, so the .db can take it but
-// the -wal, four bytes longer, cannot.
-func TestArchiveWriter_RenameMovesBackOnFailure(t *testing.T) {
-	t.Parallel()
-
-	dir := t.TempDir()
-	oldPath := filepath.Join(dir, "archive-old.db")
-	newName := strings.Repeat("a", 252) + ".db"
-
-	for _, suffix := range archiveFileSuffixes() {
-		require.NoError(
-			t, os.WriteFile(oldPath+suffix, []byte(suffix), 0o600),
-		)
-	}
-
-	w := delivery.NewExportArchiveWriter(
-		oldPath, archiveTestLogger(), 0,
-	)
-
-	require.Error(t, w.Rename(newName))
-
-	for _, suffix := range archiveFileSuffixes() {
-		assert.FileExists(t, oldPath+suffix)
-	}
-
-	assert.NoFileExists(t, filepath.Join(dir, newName))
-	assert.Equal(t, oldPath, w.Path())
-}

internal/delivery/target_http.go

@@ -442,9 +442,7 @@ func (t *httpTarget) doHTTPRequest(
 		)
 	}
 
-	originScoped := applyRequestHeaders(
+	originScoped := applyRequestHeaders(req, event, cfg)
-		req, event, cfg, t.eng.userAgent(),
-	)
 
 	client := t.clientForRequest(cfg, originScoped)
 
@@ -564,13 +562,10 @@ func isForwardableHeader(name string) bool {
 // Content-Type goes out once: a Content-Type configured on the target
 // wins, otherwise the event's ContentType, otherwise none. The inbound
 // Content-Type in the event's headers is never forwarded.
-//
-// userAgent is set last, over any configured or inbound User-Agent.
 func applyRequestHeaders(
 	req *http.Request,
 	event *database.Event,
 	cfg *HTTPTargetConfig,
-	userAgent string,
 ) []string {
 	if event.ContentType != "" {
 		req.Header.Set(
@@ -585,7 +580,7 @@ func applyRequestHeaders(
 		originScoped[http.CanonicalHeaderKey(k)] = struct{}{}
 	}
 
-	req.Header.Set("User-Agent", userAgent)
+	req.Header.Set("User-Agent", "webhooker/1.0")
 
 	// A Content-Type configured on the target describes the body
 	// being sent rather than the sender. A 307/308 preserves the

internal/delivery/target_slack.go

@@ -136,7 +136,7 @@ func (t *slackTarget) attempt(
 	}
 
 	req.Header.Set("Content-Type", "application/json")
-	req.Header.Set("User-Agent", t.eng.userAgent())
+	req.Header.Set("User-Agent", "webhooker/1.0")
 
 	resp, doErr := executeHTTPRequest(t.client, req)
 	durationMs := time.Since(start).Milliseconds()

internal/delivery/terminal_state_test.go

@@ -418,38 +418,6 @@ func TestProcessRetryTask_TargetDeleted_MakesNoAttempt(
 	assert.Zero(t, s.Engine.ExportInflightHeld())
 }
 
-// TestProcessRetryTask_TargetDeleted_CountsFailureOnTarget verifies
-// that the failure of a retry abandoned because its target is gone is
-// added to that target's own totals, not to a row with no target.
-func TestProcessRetryTask_TargetDeleted_CountsFailureOnTarget(
-	t *testing.T,
-) {
-	t.Parallel()
-
-	s := newISetup(t)
-
-	var hits atomic.Int64
-
-	task, targetID := tRetryChainSetup(
-		t, s, "gone-counted", &hits,
-	)
-
-	require.NoError(t, s.MainDB.Delete(
-		&database.Target{}, "id = ?", targetID,
-	).Error)
-
-	s.Engine.ExportProcessRetryTask(
-		context.Background(), &task,
-	)
-
-	var rows []database.TargetTotals
-
-	require.NoError(t, s.WebhookDB.Find(&rows).Error)
-	assert.Equal(t, []database.TargetTotals{
-		{TargetID: targetID, Failed: 1},
-	}, rows)
-}
-
 // TestProcessRetryTask_TargetPresent_StillDelivers is the guard's
 // mutation check: a liveness check that refused every retry would pass
 // the test above and break every retry there is.

internal/delivery/user_agent_test.go

@@ -1,91 +0,0 @@
-package delivery_test
-
-import (
-	"context"
-	"encoding/json"
-	"net/http"
-	"net/http/httptest"
-	"net/netip"
-	"testing"
-
-	"github.com/google/uuid"
-	"github.com/prometheus/client_golang/prometheus"
-	"github.com/stretchr/testify/assert"
-	"github.com/stretchr/testify/require"
-	"go.uber.org/fx/fxtest"
-	"sneak.berlin/go/webhooker/internal/database"
-	"sneak.berlin/go/webhooker/internal/delivery"
-	"sneak.berlin/go/webhooker/internal/globals"
-	"sneak.berlin/go/webhooker/internal/logger"
-	"sneak.berlin/go/webhooker/internal/metrics"
-)
-
-// Both the http and the slack target send webhooker/ and the version
-// in Globals, the value the web UI footer shows. A User-Agent
-// configured on the target or carried in by the sender does not
-// replace it.
-func TestUserAgent_IsTheBuildVersion(t *testing.T) {
-	t.Parallel()
-
-	const want = "webhooker/1.2.3-test"
-
-	userAgents := make(chan string, 1)
-
-	ts := httptest.NewServer(http.HandlerFunc(
-		func(w http.ResponseWriter, r *http.Request) {
-			userAgents <- r.Header.Get("User-Agent")
-
-			w.WriteHeader(http.StatusOK)
-		},
-	))
-	defer ts.Close()
-
-	g := &globals.Globals{Version: "1.2.3-test"}
-	lc := fxtest.NewLifecycle(t)
-
-	log, err := logger.New(lc, logger.LoggerParams{Globals: g})
-	require.NoError(t, err)
-
-	e := delivery.New(lc, delivery.EngineParams{
-		Globals: g,
-		Logger:  log,
-		// httptest listens on loopback, which the default guard
-		// refuses.
-		SSRFGuard: delivery.NewTestGuard(
-			netip.MustParsePrefix("127.0.0.0/8"),
-		),
-		Metrics: metrics.New(prometheus.NewRegistry()),
-	})
-
-	statusCode, _, _, err := e.ExportDoHTTPRequest(
-		context.Background(),
-		&delivery.HTTPTargetConfig{
-			URL:     ts.URL,
-			Headers: map[string]string{"User-Agent": "configured/1"},
-		},
-		&database.Event{Headers: `{"User-Agent":["curl/8"]}`},
-	)
-	require.NoError(t, err)
-	require.Equal(t, http.StatusOK, statusCode)
-	require.Len(t, userAgents, 1, "the http target sent no request")
-	assert.Equal(t, want, <-userAgents, "http target")
-
-	db := testWebhookDB(t)
-	targetID := uuid.New().String()
-
-	slackCfg, err := json.Marshal(
-		delivery.SlackTargetConfig{WebhookURL: ts.URL},
-	)
-	require.NoError(t, err)
-
-	event := seedEvent(t, db, `{"action":"test"}`)
-	dlv := seedDelivery(
-		t, db, event.ID, targetID, database.DeliveryStatusPending,
-	)
-
-	e.ExportDeliverSlack(context.Background(), db, buildSlackDelivery(
-		dlv, event, targetID, "test-slack", string(slackCfg),
-	))
-	require.Len(t, userAgents, 1, "the slack target sent no request")
-	assert.Equal(t, want, <-userAgents, "slack target")
-}

internal/gormlog/firstboot_test.go

@@ -137,10 +137,6 @@ func bootAtDebug(t *testing.T, dataDir string) string {
 
 	app := fxtest.New(
 		t,
-		// fx's own log is discarded, not sent to t.Logf: a hook still
-		// running after a start or stop timeout would write there after
-		// the test has returned.
-		fx.NopLogger,
 		fx.Provide(
 			globals.New,
 			logger.New,

internal/handlers/auth.go

@@ -2,56 +2,19 @@ package handlers
 
 import (
 	"net/http"
-	"net/url"
 	"strconv"
-	"strings"
-	"unicode"
 
 	"sneak.berlin/go/webhooker/internal/database"
 	"sneak.berlin/go/webhooker/internal/logfield"
-	"sneak.berlin/go/webhooker/internal/middleware"
 )
 
-// loginDestination returns where a successful login sends the
-// browser: next when it is a path on this site, otherwise "/", which
-// leads to the webhook list.
-//
-// A browser reads "//host" as another site, reads "\" as "/", and
-// drops tabs and newlines before reading at all. So the value must
-// start with exactly one "/" and hold no "\" or control character
-// anywhere: http.Redirect cleans "/a/../\host" down to "/\host". It
-// is checked after percent-decoding, so an encoded form of any of
-// these is refused too.
-func loginDestination(next string) string {
-	if len(next) > middleware.MaxNextBytes {
-		return "/"
-	}
-
-	decoded, err := url.PathUnescape(next)
-	if err != nil ||
-		!strings.HasPrefix(decoded, "/") ||
-		strings.HasPrefix(decoded, "//") ||
-		strings.Contains(decoded, `\`) ||
-		strings.ContainsFunc(decoded, unicode.IsControl) {
-		return "/"
-	}
-
-	return next
-}
-
 // HandleLoginPage returns a handler for the login page (GET)
 func (h *Handlers) HandleLoginPage() http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
-		next := loginDestination(
-			r.URL.Query().Get(middleware.NextParam),
-		)
-
 		// Check if already logged in
 		sess, err := h.session.Get(r)
 		if err == nil && h.session.IsAuthenticated(sess) {
-			http.Redirect( //nolint:gosec // checked by loginDestination
+			http.Redirect(w, r, "/", http.StatusSeeOther)
-				w, r, next, http.StatusSeeOther,
-			)
 
 			return
 		}
@@ -59,7 +22,6 @@ func (h *Handlers) HandleLoginPage() http.HandlerFunc {
 		// Render login page
 		data := map[string]any{
 			tmplKeyError: "",
-			tmplKeyNext:  next,
 		}
 
 		h.renderTemplate(w, r, "login.html", data)
@@ -74,7 +36,7 @@ func (h *Handlers) HandleLoginSubmit() http.HandlerFunc {
 		err := r.ParseForm()
 		if err != nil {
 			h.log.Error("failed to parse form", "error", err)
-			h.renderError(w, r, http.StatusBadRequest)
+			http.Error(w, "Bad request", http.StatusBadRequest)
 
 			return
 		}
@@ -115,13 +77,8 @@ func (h *Handlers) HandleLoginSubmit() http.HandlerFunc {
 			"user_id", user.ID,
 		)
 
-		// The form value is the client's to set, so it is checked
+		// Redirect to home page
-		// again here rather than trusted from the rendered page.
+		http.Redirect(w, r, "/", http.StatusSeeOther)
-		http.Redirect( //nolint:gosec // checked by loginDestination
-			w, r,
-			loginDestination(r.PostFormValue(middleware.NextParam)),
-			http.StatusSeeOther,
-		)
 	}
 }
 
@@ -134,12 +91,10 @@ func (h *Handlers) renderLoginError(
 ) {
 	data := map[string]any{
 		tmplKeyError: msg,
-		tmplKeyNext: loginDestination(
-			r.PostFormValue(middleware.NextParam),
-		),
 	}
 
-	h.renderTemplateStatus(w, r, "login.html", data, status)
+	w.WriteHeader(status)
+	h.renderTemplate(w, r, "login.html", data)
 }
 
 // authenticateUser looks up and verifies a user's credentials.
@@ -148,10 +103,9 @@ func (h *Handlers) renderLoginError(
 // The credential check runs BEFORE any rate-limit budget is
 // consulted, and only a failed check spends budget. That is what
 // keeps the single administrative path reachable: behind the reverse
-// proxy this deployment requires, when TRUSTED_PROXIES does not cover
+// proxy this deployment requires, with TRUSTED_PROXIES unset, every
-// it, every client shares one bucket, so a limiter spent on arrival
+// client shares one bucket, so a limiter spent on arrival lets any
-// lets any stranger deny the operator's own correct password
+// stranger deny the operator's own correct password indefinitely.
-// indefinitely.
 //
 // Verifying first means every login POST costs an Argon2id hash, so
 // the work is taken under a bounded number of verification slots.
@@ -211,7 +165,11 @@ func (h *Handlers) authenticateUser(
 
 	valid, err := database.VerifyPassword(password, user.Password)
 	if err != nil {
-		h.serverError(w, r, "failed to verify password", err)
+		h.log.Error("failed to verify password", "error", err)
+		http.Error(
+			w, "Internal server error",
+			http.StatusInternalServerError,
+		)
 
 		return user, err
 	}
@@ -283,14 +241,24 @@ func (h *Handlers) createAuthenticatedSession(
 ) error {
 	oldSess, err := h.session.Get(r)
 	if err != nil {
-		h.serverError(w, r, "failed to get session", err)
+		h.log.Error("failed to get session", "error", err)
+		http.Error(
+			w, "Internal server error",
+			http.StatusInternalServerError,
+		)
 
 		return err
 	}
 
 	sess, err := h.session.Regenerate(r, w, oldSess)
 	if err != nil {
-		h.serverError(w, r, "failed to regenerate session", err)
+		h.log.Error(
+			"failed to regenerate session", "error", err,
+		)
+		http.Error(
+			w, "Internal server error",
+			http.StatusInternalServerError,
+		)
 
 		return err
 	}
@@ -299,7 +267,11 @@ func (h *Handlers) createAuthenticatedSession(
 
 	err = h.session.Save(r, w, sess)
 	if err != nil {
-		h.serverError(w, r, "failed to save session", err)
+		h.log.Error("failed to save session", "error", err)
+		http.Error(
+			w, "Internal server error",
+			http.StatusInternalServerError,
+		)
 
 		return err
 	}
@@ -332,9 +304,7 @@ func (h *Handlers) HandleLogout() http.HandlerFunc {
 			)
 		}
 
-		http.Redirect(
+		// Redirect to login page
-			w, r, withNotice("/pages/login", signedOut),
+		http.Redirect(w, r, "/pages/login", http.StatusSeeOther)
-			http.StatusSeeOther,
-		)
 	}
 }

internal/handlers/auth_test.go

@@ -3,7 +3,6 @@ package handlers_test
 import (
 	"context"
 	"fmt"
-	"html/template"
 	"net/http"
 	"net/http/httptest"
 	"net/url"
@@ -26,7 +25,7 @@ const (
 
 	// sharedProxyPeer is the whole point of this file. Production is
 	// required to run behind a TLS-terminating reverse proxy, and
-	// when TRUSTED_PROXIES does not cover it every client — attacker
+	// TRUSTED_PROXIES defaults to empty, so every client — attacker
 	// and operator alike — reaches the process from the proxy's
 	// address and shares one rate-limit bucket. Both parties in
 	// these tests therefore use the same RemoteAddr.
@@ -116,11 +115,11 @@ func floodFailures(
 // done-criterion of https://git.eeqj.de/sneak/webhooker/issues/150.
 //
 // The attacker and the operator share one rate-limit bucket, because
-// behind the mandated reverse proxy, when TRUSTED_PROXIES does not
+// behind the mandated reverse proxy with TRUSTED_PROXIES unset every
-// cover it, every client keys on the proxy's address. The attacker
+// client keys on the proxy's address. The attacker floods the
-// floods the operator's own username — a single-admin product has a
+// operator's own username — a single-admin product has a predictable
-// predictable one — far past the failure limit. The operator must
+// one — far past the failure limit. The operator must still be able
-// still be able to log in with the correct password.
+// to log in with the correct password.
 //
 // This fails if credentials stop being verified ahead of the limiter.
 func TestLogin_StrangersFloodCannotLockOutTheOperator(t *testing.T) {
@@ -405,60 +404,6 @@ func TestLogin_MissingCredentialsRejectedBeforeAnyHash(t *testing.T) {
 	)
 }
 
-// TestLogin_FormErrorAnswersItsStatusWithThePage proves that the login
-// form shown again with an error still answers 400 with the whole page.
-func TestLogin_FormErrorAnswersItsStatusWithThePage(t *testing.T) {
-	t.Parallel()
-
-	var h *handlers.Handlers
-
-	app := newTestApp(t, &h)
-	app.RequireStart()
-
-	t.Cleanup(app.RequireStop)
-
-	w := submitLogin(h, sharedProxyPeer, "", "")
-
-	assert.Equal(t, http.StatusBadRequest, w.Code)
-	assert.Contains(
-		t, w.Body.String(), "Username and password are required",
-	)
-	assert.Contains(
-		t, w.Body.String(), "</html>",
-		"the page must render to completion",
-	)
-}
-
-// TestLogin_FormErrorRenderFailureAnswers500 proves that a login form
-// error page whose template fails answers 500 with the error page and
-// none of the form page, rather than the 400 it meant to send.
-func TestLogin_FormErrorRenderFailureAnswers500(t *testing.T) {
-	t.Parallel()
-
-	var h *handlers.Handlers
-
-	app := newTestApp(t, &h)
-	app.RequireStart()
-
-	t.Cleanup(app.RequireStop)
-
-	// The page prints its error message and then fails.
-	h.AddTemplateForTest("login.html", template.Must(
-		template.New("login").Funcs(template.FuncMap{
-			"fail": func() (string, error) { return "", errMidRender },
-		}).Parse(`{{.Error}}{{fail}}`),
-	))
-
-	w := submitLogin(h, sharedProxyPeer, "", "")
-
-	assert.Equal(t, http.StatusInternalServerError, w.Code)
-	assert.NotContains(
-		t, w.Body.String(), "Username and password are required",
-		"the response must carry no part of the aborted page",
-	)
-	assert.Contains(t, w.Body.String(), "500 Internal Server Error")
-}
-
 // TestLogin_SuccessCreatesSession is the control for the tests above:
 // the success path they assert on really does authenticate.
 func TestLogin_SuccessCreatesSession(t *testing.T) {
@@ -508,229 +453,3 @@ func TestLogin_SuccessCreatesSession(t *testing.T) {
 		"the issued cookie must carry an authenticated session",
 	)
 }
-
-// TestLogin_ReturnsOnlyToAPathOnThisSite is the security half of
-// https://git.eeqj.de/sneak/webhooker/issues/384: the page a login
-// returns to is client-chosen, so anything that is not a path on this
-// site, plain or percent-encoded, must land on "/", the webhook list.
-func TestLogin_ReturnsOnlyToAPathOnThisSite(t *testing.T) {
-	t.Parallel()
-
-	var (
-		h  *handlers.Handlers
-		db *database.Database
-	)
-
-	app := newTestApp(t, &h, &db)
-	app.RequireStart()
-
-	t.Cleanup(app.RequireStop)
-
-	seedOperator(t, db)
-
-	cases := []struct{ next, want string }{
-		{"/hook/abc/events?page=2", "/hook/abc/events?page=2"},
-		{"", "/"},
-		{"https://evil.example/", "/"},
-		{"https%3A%2F%2Fevil.example%2F", "/"},
-		{"//evil.example/", "/"},
-		{"%2F%2Fevil.example/", "/"},
-		{"/%2Fevil.example/", "/"},
-		{`/\evil.example/`, "/"},
-		{"%2F%5Cevil.example/", "/"},
-		{"/%5Cevil.example/", "/"},
-		{`/a/../\evil.example/`, "/"},
-		{"/\t/evil.example/", "/"},
-		{"/%09/evil.example/", "/"},
-		{"/\n/evil.example/", "/"},
-		{"/%0A/evil.example/", "/"},
-		{"/\r/evil.example/", "/"},
-		{"/%0D/evil.example/", "/"},
-		{"/%00/evil.example/", "/"},
-		{"/%7F/evil.example/", "/"},
-		{"%252F%252Fevil.example/", "/"},
-		{"https%253A%252F%252Fevil.example%252F", "/"},
-		{"/" + strings.Repeat("a", 4096), "/"},
-	}
-
-	for _, c := range cases {
-		form := url.Values{}
-		form.Set("username", operatorUser)
-		form.Set("password", operatorPassword)
-		form.Set("next", c.next)
-
-		req := httptest.NewRequestWithContext(
-			context.Background(),
-			http.MethodPost,
-			"/pages/login",
-			strings.NewReader(form.Encode()),
-		)
-		req.Header.Set(
-			"Content-Type", "application/x-www-form-urlencoded",
-		)
-		req.RemoteAddr = sharedProxyPeer
-
-		w := httptest.NewRecorder()
-		h.HandleLoginSubmit().ServeHTTP(w, req)
-
-		assert.Equal(t, http.StatusSeeOther, w.Code, "next %q", c.next)
-		assert.Equal(
-			t, c.want, w.Header().Get("Location"), "next %q", c.next,
-		)
-	}
-}
-
-// TestLogin_WrongPasswordKeepsTheRequestedPage: after a wrong
-// password the login page is shown again with the same next, so the
-// next attempt still returns to the page that was asked for.
-func TestLogin_WrongPasswordKeepsTheRequestedPage(t *testing.T) {
-	t.Parallel()
-
-	var (
-		h  *handlers.Handlers
-		db *database.Database
-	)
-
-	app := newTestApp(t, &h, &db)
-	app.RequireStart()
-
-	t.Cleanup(app.RequireStop)
-
-	seedOperator(t, db)
-
-	form := url.Values{}
-	form.Set("username", operatorUser)
-	form.Set("password", "wrong")
-	form.Set("next", "/hook/abc")
-
-	req := httptest.NewRequestWithContext(
-		context.Background(),
-		http.MethodPost,
-		"/pages/login",
-		strings.NewReader(form.Encode()),
-	)
-	req.Header.Set(
-		"Content-Type", "application/x-www-form-urlencoded",
-	)
-	req.RemoteAddr = sharedProxyPeer
-
-	w := httptest.NewRecorder()
-	h.HandleLoginSubmit().ServeHTTP(w, req)
-
-	assert.Equal(t, http.StatusUnauthorized, w.Code)
-	assert.Contains(
-		t, w.Body.String(), `name="next" value="/hook/abc"`,
-	)
-}
-
-// loginPageGet renders the login page as a GET with the given next
-// value and cookies.
-func loginPageGet(
-	h *handlers.Handlers, next string, cookies []*http.Cookie,
-) *httptest.ResponseRecorder {
-	req := httptest.NewRequestWithContext(
-		context.Background(), http.MethodGet,
-		"/pages/login?"+url.Values{"next": {next}}.Encode(), nil,
-	)
-
-	for _, c := range cookies {
-		req.AddCookie(c)
-	}
-
-	w := httptest.NewRecorder()
-	h.HandleLoginPage().ServeHTTP(w, req)
-
-	return w
-}
-
-// TestLoginPage_CarriesOnlyAPathOnThisSite covers the login page
-// itself: its form carries the requested page only when it is a path
-// on this site, and a browser already logged in goes straight there,
-// or to "/" when it is not.
-func TestLoginPage_CarriesOnlyAPathOnThisSite(t *testing.T) {
-	t.Parallel()
-
-	var (
-		h    *handlers.Handlers
-		sess *session.Session
-	)
-
-	app := newTestApp(t, &h, &sess)
-	app.RequireStart()
-
-	t.Cleanup(app.RequireStop)
-
-	assert.Contains(
-		t, loginPageGet(h, "/hook/abc", nil).Body.String(),
-		`name="next" value="/hook/abc"`,
-	)
-	assert.Contains(
-		t, loginPageGet(h, "//evil.example/", nil).Body.String(),
-		`name="next" value="/"`,
-	)
-
-	cookies := authenticatedCookies(t, sess, "test-user-id", "testuser")
-
-	cases := []struct{ next, want string }{
-		{"/hook/abc", "/hook/abc"},
-		{"//evil.example/", "/"},
-		{`/\evil.example/`, "/"},
-	}
-
-	for _, c := range cases {
-		w := loginPageGet(h, c.next, cookies)
-
-		assert.Equal(t, http.StatusSeeOther, w.Code, "next %q", c.next)
-		assert.Equal(
-			t, c.want, w.Header().Get("Location"), "next %q", c.next,
-		)
-	}
-}
-
-// TestLoginPage_HasNoLinkToItself: the navigation bar on the login
-// page offers no link to the login page.
-func TestLoginPage_HasNoLinkToItself(t *testing.T) {
-	t.Parallel()
-
-	var h *handlers.Handlers
-
-	app := newTestApp(t, &h)
-	app.RequireStart()
-
-	t.Cleanup(app.RequireStop)
-
-	w := loginPageGet(h, "", nil)
-
-	require.Equal(t, http.StatusOK, w.Code)
-	assert.NotContains(t, w.Body.String(), `href="/pages/login"`)
-}
-
-// TestLogin_UsernameAtLimitCanLogIn shows that a username of exactly
-// database.MaxUsernameBytes still fits in the session cookie. Past
-// what the cookie can carry, a correct login answers 500.
-func TestLogin_UsernameAtLimitCanLogIn(t *testing.T) {
-	t.Parallel()
-
-	var (
-		h  *handlers.Handlers
-		db *database.Database
-	)
-
-	app := newTestApp(t, &h, &db)
-	app.RequireStart()
-
-	t.Cleanup(app.RequireStop)
-
-	username := strings.Repeat("a", database.MaxUsernameBytes)
-
-	hash, err := database.HashPassword(operatorPassword)
-	require.NoError(t, err)
-	require.NoError(t, db.DB().Create(&database.User{
-		Username: username,
-		Password: hash,
-	}).Error)
-
-	w := submitLogin(h, sharedProxyPeer, username, operatorPassword)
-
-	assert.Equal(t, http.StatusSeeOther, w.Code)
-}

internal/handlers/delivery_replay.go

@@ -11,37 +11,72 @@ import (
 	"sneak.berlin/go/webhooker/internal/delivery"
 )
 
-// The outcomes of a replay POST, as the notice codes its redirect
+// replayOutcomeParam is the query parameter the replay POST redirects
-// carries. noticeFor holds the line each one shows.
+// with and the event log page reads its banner from.
+const replayOutcomeParam = "replay"
+
+// replayOutcomeCode is the outcome of a replay POST. The redirect
+// carries one of these fixed codes rather than a message, so nothing a
+// client submits can reach the rendered page through it.
+type replayOutcomeCode string
+
 const (
 	// replayQueued reports that a new delivery was created and handed
 	// to the delivery engine.
-	replayQueued noticeCode = "replay-queued"
+	replayQueued replayOutcomeCode = "queued"
 
 	// replayTargetDeleted reports a target that once existed and has
 	// since been deleted. Deletes are soft and deliveries carry no
 	// foreign key to the target row, so the history survives its
 	// target and this is the ordinary case for an old event.
-	replayTargetDeleted noticeCode = "replay-target-deleted"
+	replayTargetDeleted replayOutcomeCode = "target-deleted"
 
 	// replayTargetMissing reports a target id that names no row at
 	// all, deleted or otherwise.
-	replayTargetMissing noticeCode = "replay-target-missing"
+	replayTargetMissing replayOutcomeCode = "target-missing"
 
 	// replayTargetInactive reports a target the operator has
 	// deactivated. A deactivated target receives no new deliveries, so
 	// a replay to it would be a delivery they switched off.
-	replayTargetInactive noticeCode = "replay-target-inactive"
+	replayTargetInactive replayOutcomeCode = "target-inactive"
 
 	// replayNotTerminal reports a delivery the engine has not finished
 	// with.
-	replayNotTerminal noticeCode = "replay-not-terminal"
+	replayNotTerminal replayOutcomeCode = "not-terminal"
 
 	// replayInFlight reports that an earlier replay of this event to
 	// this target is still running.
-	replayInFlight noticeCode = "replay-in-flight"
+	replayInFlight replayOutcomeCode = "in-flight"
 )
 
+// replayOutcome returns the banner the event log page shows for an
+// outcome code, and whether the replay was queued. An unrecognised
+// code yields no banner.
+func replayOutcome(code string) (string, bool) {
+	switch replayOutcomeCode(code) {
+	case replayQueued:
+		return "Replay queued: a new delivery was created against " +
+			"the target's current configuration.", true
+	case replayTargetDeleted:
+		return "Not replayed: the target this delivery was for has " +
+			"been deleted. Recreate the target, then replay.", false
+	case replayTargetMissing:
+		return "Not replayed: the target this delivery was for no " +
+			"longer exists.", false
+	case replayTargetInactive:
+		return "Not replayed: the target this delivery was for is " +
+			"deactivated. Activate it, then replay.", false
+	case replayNotTerminal:
+		return "Not replayed: this delivery has not finished yet.",
+			false
+	case replayInFlight:
+		return "Not replayed: a delivery of this event to this " +
+			"target is already in flight.", false
+	default:
+		return "", false
+	}
+}
+
 // HandleDeliveryReplay re-sends a finished delivery's event to its
 // target.
 //
@@ -70,7 +105,9 @@ func (h *Handlers) HandleDeliveryReplay() http.HandlerFunc {
 		// middleware, which runs before CSRF parses the form.
 		err := r.ParseForm()
 		if err != nil {
-			h.renderError(w, r, http.StatusBadRequest)
+			http.Error(
+				w, "Bad request", http.StatusBadRequest,
+			)
 
 			return
 		}
@@ -87,14 +124,14 @@ func (h *Handlers) replayDelivery(
 	webhook database.Webhook,
 ) {
 	if !h.dbMgr.DBExists(webhook.ID) {
-		h.renderError(w, r, http.StatusNotFound)
+		http.NotFound(w, r)
 
 		return
 	}
 
 	webhookDB, err := h.dbMgr.GetDB(webhook.ID)
 	if err != nil {
-		h.serverError(w, r, "failed to get webhook database", err)
+		h.serverError(w, "failed to get webhook database", err)
 
 		return
 	}
@@ -105,14 +142,14 @@ func (h *Handlers) replayDelivery(
 	}
 
 	if !original.Status.Terminal() {
-		redirectToEventLog(w, r, webhook, replayNotTerminal)
+		h.finishReplay(w, r, webhook, replayNotTerminal)
 
 		return
 	}
 
 	target, code := h.replayTarget(webhook.ID, original.TargetID)
 	if target == nil {
-		redirectToEventLog(w, r, webhook, code)
+		h.finishReplay(w, r, webhook, code)
 
 		return
 	}
@@ -136,7 +173,7 @@ func (h *Handlers) loadReplaySource(
 			&original, "id = ?", chi.URLParam(r, "deliveryID"),
 		).Error
 	if err != nil {
-		h.renderError(w, r, http.StatusNotFound)
+		http.NotFound(w, r)
 
 		return nil, false
 	}
@@ -158,14 +195,14 @@ func (h *Handlers) queueReplay(
 	)
 	if err != nil {
 		h.serverError(
-			w, r, "failed to count in-flight deliveries", err,
+			w, "failed to count in-flight deliveries", err,
 		)
 
 		return
 	}
 
 	if inFlight > 0 {
-		redirectToEventLog(w, r, webhook, replayInFlight)
+		h.finishReplay(w, r, webhook, replayInFlight)
 
 		return
 	}
@@ -175,7 +212,7 @@ func (h *Handlers) queueReplay(
 	err = webhookDB.
 		First(&event, "id = ?", original.EventID).Error
 	if err != nil {
-		h.serverError(w, r, "failed to load event for replay", err)
+		h.serverError(w, "failed to load event for replay", err)
 
 		return
 	}
@@ -185,7 +222,7 @@ func (h *Handlers) queueReplay(
 	)
 	if err != nil {
 		h.serverError(
-			w, r, "failed to create replay delivery", err,
+			w, "failed to create replay delivery", err,
 		)
 
 		return
@@ -203,7 +240,7 @@ func (h *Handlers) queueReplay(
 		"delivery_id", task.DeliveryID,
 	)
 
-	redirectToEventLog(w, r, webhook, replayQueued)
+	h.finishReplay(w, r, webhook, replayQueued)
 }
 
 // replayTarget loads the delivery's target as it stands now.
@@ -216,7 +253,7 @@ func (h *Handlers) queueReplay(
 // with the returned code saying why.
 func (h *Handlers) replayTarget(
 	webhookID, targetID string,
-) (*database.Target, noticeCode) {
+) (*database.Target, replayOutcomeCode) {
 	var target database.Target
 
 	err := h.db.DB().Unscoped().Where(
@@ -262,9 +299,8 @@ func countInFlightDeliveries(
 	return count, err
 }
 
-// createReplayDelivery writes the new pending delivery row, adds it to
+// createReplayDelivery writes the new pending delivery row and returns
-// its target's totals in the same transaction, and returns the task
+// the task that carries it to the delivery engine.
-// that carries it to the delivery engine.
 //
 // The row is written with associations omitted, and neither Event nor
 // Target is populated on it: GORM's SaveBeforeAssociations would
@@ -283,16 +319,7 @@ func createReplayDelivery(
 		Status:   database.DeliveryStatusPending,
 	}
 
-	err := webhookDB.Transaction(func(tx *gorm.DB) error {
+	err := webhookDB.Omit(clause.Associations).Create(dlv).Error
-		err := tx.Omit(clause.Associations).Create(dlv).Error
-		if err != nil {
-			return err
-		}
-
-		return database.AddTargetTotals(tx, database.TargetTotals{
-			TargetID: dlv.TargetID, Deliveries: 1,
-		})
-	})
 	if err != nil {
 		return delivery.Task{}, err
 	}
@@ -326,16 +353,17 @@ func replayBody(body string) *string {
 	return &body
 }
 
-// redirectToEventLog redirects a replay or resubmit back to the event
+// finishReplay redirects back to the event log the replay was
-// log it was triggered from, carrying the outcome as its notice and
+// triggered from, carrying the outcome code the page turns into a
-// the page number the form submitted.
+// banner and the page number the form submitted.
-func redirectToEventLog(
+func (h *Handlers) finishReplay(
 	w http.ResponseWriter,
 	r *http.Request,
 	webhook database.Webhook,
-	code noticeCode,
+	code replayOutcomeCode,
 ) {
-	dest := withNotice("/hook/"+webhook.ID+"/events", code)
+	dest := "/hook/" + webhook.ID + "/events?" +
+		replayOutcomeParam + "=" + string(code)
 
 	// The page is read from the form rather than the query string:
 	// this is a POST, and its query string is what logs and Referer

internal/handlers/delivery_replay_test.go

@@ -212,7 +212,7 @@ func TestHandleDeliveryReplay_AppendsDeliveryAndLeavesOriginal(
 	require.Equal(t, http.StatusSeeOther, w.Code)
 	assert.Equal(
 		t,
-		"/hook/"+wh.ID+"/events?notice=replay-queued",
+		"/hook/"+wh.ID+"/events?replay=queued",
 		w.Header().Get("Location"),
 	)
 
@@ -362,7 +362,7 @@ func TestHandleDeliveryReplay_RefusesDeletedTarget(t *testing.T) {
 	require.Equal(t, http.StatusSeeOther, w.Code)
 	assert.Equal(
 		t,
-		"/hook/"+wh.ID+"/events?notice=replay-target-deleted",
+		"/hook/"+wh.ID+"/events?replay=target-deleted",
 		w.Header().Get("Location"),
 	)
 
@@ -390,7 +390,7 @@ func TestHandleDeliveryReplay_RefusesDeletedTarget(t *testing.T) {
 	require.Equal(t, http.StatusSeeOther, missing.Code)
 	assert.Equal(
 		t,
-		"/hook/"+wh.ID+"/events?notice=replay-target-missing",
+		"/hook/"+wh.ID+"/events?replay=target-missing",
 		missing.Header().Get("Location"),
 	)
 }
@@ -431,7 +431,7 @@ func TestHandleDeliveryReplay_RefusesWhileEarlierReplayInFlight(
 	require.Equal(t, http.StatusSeeOther, first.Code)
 	require.Equal(
 		t,
-		"/hook/"+wh.ID+"/events?notice=replay-queued",
+		"/hook/"+wh.ID+"/events?replay=queued",
 		first.Header().Get("Location"),
 	)
 
@@ -439,7 +439,7 @@ func TestHandleDeliveryReplay_RefusesWhileEarlierReplayInFlight(
 	require.Equal(t, http.StatusSeeOther, second.Code)
 	assert.Equal(
 		t,
-		"/hook/"+wh.ID+"/events?notice=replay-in-flight",
+		"/hook/"+wh.ID+"/events?replay=in-flight",
 		second.Header().Get("Location"),
 	)
 
@@ -465,7 +465,7 @@ func TestHandleDeliveryReplay_RefusesWhileEarlierReplayInFlight(
 	require.Equal(t, http.StatusSeeOther, pending.Code)
 	assert.Equal(
 		t,
-		"/hook/"+wh.ID+"/events?notice=replay-not-terminal",
+		"/hook/"+wh.ID+"/events?replay=not-terminal",
 		pending.Header().Get("Location"),
 	)
 }
@@ -509,7 +509,7 @@ func TestHandleSourceLogs_RendersReplayControlAndBanner(t *testing.T) {
 	assert.Contains(t, body, ">Replay<")
 
 	refused := renderSourceLogsPageWithQuery(
-		t, h, sess, wh.ID, "?notice=replay-target-deleted",
+		t, h, sess, wh.ID, "?replay=target-deleted",
 	)
 
 	assert.Contains(t, refused, "alert-error")
@@ -517,7 +517,7 @@ func TestHandleSourceLogs_RendersReplayControlAndBanner(t *testing.T) {
 
 	// An outcome code nobody issued renders no banner at all.
 	unknown := renderSourceLogsPageWithQuery(
-		t, h, sess, wh.ID, "?notice=made-up",
+		t, h, sess, wh.ID, "?replay=made-up",
 	)
 
 	assert.NotContains(t, unknown, "alert-error")

internal/handlers/error_page_test.go

@@ -1,53 +0,0 @@
-package handlers_test
-
-import (
-	"context"
-	"html/template"
-	"net/http"
-	"net/http/httptest"
-	"testing"
-
-	"github.com/stretchr/testify/assert"
-	"sneak.berlin/go/webhooker/internal/handlers"
-)
-
-// TestErrorPage_RenderFailureKeepsStatus proves that an error page
-// which cannot render answers with the status it was reporting, as
-// plain text, and is not attempted again: a page whose own render
-// fails reaches the error page, and the error page failing as well
-// ends there with the 500.
-func TestErrorPage_RenderFailureKeepsStatus(t *testing.T) {
-	t.Parallel()
-
-	var h *handlers.Handlers
-
-	app := newTestApp(t, &h)
-	app.RequireStart()
-
-	t.Cleanup(app.RequireStop)
-
-	// .Status is an int, so asking it for a field fails the render.
-	failing := `{{.Status.Missing}}`
-	h.AddTemplateForTest("error.html", template.Must(
-		template.New("error").Parse(failing),
-	))
-	h.AddTemplateForTest("failing.html", template.Must(
-		template.New("failing").Parse(`{{.Data.Missing}}`),
-	))
-
-	req := httptest.NewRequestWithContext(
-		context.Background(), http.MethodGet, "/", nil,
-	)
-
-	w := httptest.NewRecorder()
-	h.HandleErrorPage(http.StatusNotFound).ServeHTTP(w, req)
-
-	assert.Equal(t, http.StatusNotFound, w.Code)
-	assert.Equal(t, "Not Found\n", w.Body.String())
-
-	w = httptest.NewRecorder()
-	h.RenderTemplateForTest(w, req, "failing.html", 0)
-
-	assert.Equal(t, http.StatusInternalServerError, w.Code)
-	assert.Equal(t, "Internal Server Error\n", w.Body.String())
-}

internal/handlers/event_body.go

@@ -52,7 +52,7 @@ func (h *Handlers) HandleEventBodyDownload() http.HandlerFunc {
 		// steered by a client.
 		eventID, err := uuid.Parse(chi.URLParam(r, "eventID"))
 		if err != nil {
-			h.renderError(w, r, http.StatusNotFound)
+			http.NotFound(w, r)
 
 			return
 		}
@@ -103,21 +103,21 @@ func (h *Handlers) serveEventBody(
 	eventID string,
 ) {
 	if !h.dbMgr.DBExists(webhook.ID) {
-		h.renderError(w, r, http.StatusNotFound)
+		http.NotFound(w, r)
 
 		return
 	}
 
 	webhookDB, err := h.dbMgr.GetDB(webhook.ID)
 	if err != nil {
-		h.serverError(w, r, "failed to get webhook database", err)
+		h.serverError(w, "failed to get webhook database", err)
 
 		return
 	}
 
 	body, found, err := eventBody(webhookDB, webhook.ID, eventID)
 	if err != nil {
-		h.serverError(w, r, "failed to read event body", err)
+		h.serverError(w, "failed to read event body", err)
 
 		return
 	}
@@ -130,7 +130,7 @@ func (h *Handlers) serveEventBody(
 	// row and the whole body is served, or it does not and the
 	// response is a clean 404.
 	if !found {
-		h.renderError(w, r, http.StatusNotFound)
+		http.NotFound(w, r)
 
 		return
 	}

internal/handlers/event_resubmit.go

@@ -3,6 +3,7 @@ package handlers
 import (
 	"errors"
 	"net/http"
+	"strconv"
 
 	"github.com/go-chi/chi"
 	"github.com/google/uuid"
@@ -10,19 +11,43 @@ import (
 	"sneak.berlin/go/webhooker/internal/database"
 )
 
-// The outcomes of a resubmit POST, as the notice codes its redirect
+// resubmitOutcomeParam is the query parameter the resubmit POST
-// carries. noticeFor holds the line each one shows.
+// redirects with and the event log page reads its banner from.
+const resubmitOutcomeParam = "resubmit"
+
+// resubmitOutcomeCode is the outcome of a resubmit POST. The redirect
+// carries one of these fixed codes rather than a message, so nothing a
+// client submits can reach the rendered page through it.
+type resubmitOutcomeCode string
+
 const (
 	// resubmitQueued reports that a new event was stored and its
 	// deliveries handed to the delivery engine.
-	resubmitQueued noticeCode = "resubmit-queued"
+	resubmitQueued resubmitOutcomeCode = "queued"
 
 	// resubmitNoTargets reports a source with no active targets. The
 	// new event is stored either way, exactly as a received event
 	// with no targets is.
-	resubmitNoTargets noticeCode = "resubmit-no-targets"
+	resubmitNoTargets resubmitOutcomeCode = "no-targets"
 )
 
+// resubmitOutcome returns the banner the event log page shows for an
+// outcome code, and whether the resubmit was queued. An unrecognised
+// code yields no banner.
+func resubmitOutcome(code string) (string, bool) {
+	switch resubmitOutcomeCode(code) {
+	case resubmitQueued:
+		return "Resubmitted: a new event was created from the stored " +
+			"one and queued to every active target.", true
+	case resubmitNoTargets:
+		return "Resubmitted: a new event was created, but this " +
+				"source has no active targets, so nothing was queued.",
+			true
+	default:
+		return "", false
+	}
+}
+
 // resubmitSource is the stored event a resubmit copies. Its body is
 // read as bytes rather than as a string so the copy is byte-identical
 // to what was received, whatever the payload's encoding.
@@ -74,7 +99,7 @@ func (h *Handlers) HandleEventResubmit() http.HandlerFunc {
 		// middleware, which runs before CSRF parses the form.
 		err := r.ParseForm()
 		if err != nil {
-			h.renderError(w, r, http.StatusBadRequest)
+			http.Error(w, "Bad request", http.StatusBadRequest)
 
 			return
 		}
@@ -95,20 +120,20 @@ func (h *Handlers) resubmitEvent(
 	// alphabet rather than from the request.
 	eventID, err := uuid.Parse(chi.URLParam(r, "eventID"))
 	if err != nil {
-		h.renderError(w, r, http.StatusNotFound)
+		http.NotFound(w, r)
 
 		return
 	}
 
 	if !h.dbMgr.DBExists(webhook.ID) {
-		h.renderError(w, r, http.StatusNotFound)
+		http.NotFound(w, r)
 
 		return
 	}
 
 	webhookDB, err := h.dbMgr.GetDB(webhook.ID)
 	if err != nil {
-		h.serverError(w, r, "failed to get webhook database", err)
+		h.serverError(w, "failed to get webhook database", err)
 
 		return
 	}
@@ -122,7 +147,7 @@ func (h *Handlers) resubmitEvent(
 		webhookDB, webhook.ID, eventID.String(),
 	)
 	if err != nil {
-		h.serverError(w, r, "failed to load event to resubmit", err)
+		h.serverError(w, "failed to load event to resubmit", err)
 
 		return
 	}
@@ -130,7 +155,7 @@ func (h *Handlers) resubmitEvent(
 	// A miss is a 404 whether the event was reaped, belongs to
 	// another webhook, or never existed.
 	if !found {
-		h.renderError(w, r, http.StatusNotFound)
+		http.NotFound(w, r)
 
 		return
 	}
@@ -182,7 +207,7 @@ func (h *Handlers) queueResubmit(
 	// inactive one is skipped rather than refused.
 	targets, err := h.loadActiveTargets(webhook.ID)
 	if err != nil {
-		h.serverError(w, r, "failed to query targets", err)
+		h.serverError(w, "failed to query targets", err)
 
 		return
 	}
@@ -200,7 +225,7 @@ func (h *Handlers) queueResubmit(
 		targets,
 	)
 	if err != nil {
-		h.serverError(w, r, "failed to store resubmitted event", err)
+		h.serverError(w, "failed to store resubmitted event", err)
 
 		return
 	}
@@ -220,5 +245,29 @@ func (h *Handlers) queueResubmit(
 		code = resubmitNoTargets
 	}
 
-	redirectToEventLog(w, r, webhook, code)
+	h.finishResubmit(w, r, webhook, code)
+}
+
+// finishResubmit redirects back to the event log the resubmit was
+// triggered from, carrying the outcome code the page turns into a
+// banner and the page number the form submitted.
+func (h *Handlers) finishResubmit(
+	w http.ResponseWriter,
+	r *http.Request,
+	webhook database.Webhook,
+	code resubmitOutcomeCode,
+) {
+	dest := "/hook/" + webhook.ID + "/events?" +
+		resubmitOutcomeParam + "=" + string(code)
+
+	// The page is read from the form rather than the query string:
+	// this is a POST, and its query string is what logs and Referer
+	// headers record.
+	if page := pageOrFirst(
+		r.PostFormValue("page"),
+	); page > 1 {
+		dest += "&page=" + strconv.Itoa(page)
+	}
+
+	http.Redirect(w, r, dest, http.StatusSeeOther)
 }

internal/handlers/event_resubmit_test.go

@@ -154,7 +154,7 @@ func TestHandleEventResubmit_DeliversToTargetCreatedAfterTheEvent(
 	require.Equal(t, http.StatusSeeOther, w.Code)
 	assert.Equal(
 		t,
-		"/hook/"+wh.ID+"/events?notice=resubmit-queued",
+		"/hook/"+wh.ID+"/events?resubmit=queued",
 		w.Header().Get("Location"),
 	)
 
@@ -204,7 +204,6 @@ func assertEventCopy(
 	assert.Equal(t, original.Method, fresh.Method)
 	assert.Equal(t, original.Headers, fresh.Headers)
 	assert.Equal(t, original.Body, fresh.Body)
-	assert.Equal(t, int64(len(original.Body)), fresh.BodyBytes)
 	assert.Equal(t, original.ContentType, fresh.ContentType)
 	assert.Equal(t, original.EntrypointID, fresh.EntrypointID)
 	assert.Equal(t, original.WebhookID, fresh.WebhookID)
@@ -282,7 +281,7 @@ func TestHandleEventResubmit_IsRepeatable(t *testing.T) {
 		require.Equal(t, http.StatusSeeOther, w.Code)
 		assert.Equal(
 			t,
-			"/hook/"+wh.ID+"/events?notice=resubmit-queued",
+			"/hook/"+wh.ID+"/events?resubmit=queued",
 			w.Header().Get("Location"),
 			"a resubmit must not be refused while an earlier "+
 				"one is in flight",
@@ -436,7 +435,7 @@ func TestHandleEventResubmit_SkipsInactiveTarget(t *testing.T) {
 	require.Equal(t, http.StatusSeeOther, w.Code)
 	assert.Equal(
 		t,
-		"/hook/"+wh.ID+"/events?notice=resubmit-queued",
+		"/hook/"+wh.ID+"/events?resubmit=queued",
 		w.Header().Get("Location"),
 		"an inactive target is skipped, not an error",
 	)
@@ -482,7 +481,7 @@ func TestHandleEventResubmit_NoActiveTargetsStillStoresEvent(
 	require.Equal(t, http.StatusSeeOther, w.Code)
 	assert.Equal(
 		t,
-		"/hook/"+wh.ID+"/events?notice=resubmit-no-targets",
+		"/hook/"+wh.ID+"/events?resubmit=no-targets",
 		w.Header().Get("Location"),
 	)
 

internal/handlers/export_test.go

@@ -1,14 +1,10 @@
 package handlers
 
 import (
-	"context"
 	"html/template"
 	"log/slog"
 	"net/http"
-	"net/http/httptest"
-	"time"
 
-	"gorm.io/gorm"
 	"sneak.berlin/go/webhooker/internal/database"
 )
 
@@ -67,43 +63,12 @@ func (s *Handlers) LoadEventLogViewsForTest(
 	page int,
 ) []EventLogView {
 	views, _, _ := s.loadEventsWithDeliveries(
-		w, newRequestForTest(), webhook, nil, page,
+		w, webhook, nil, page,
 	)
 
 	return views
 }
 
-// WebhookStatsForTest returns the figures the statistics pane on a
-// webhook's page shows, from the webhook's entrypoints and targets
-// loaded as that page loads them.
-func (s *Handlers) WebhookStatsForTest(webhookID string) *WebhookStats {
-	var entrypoints []database.Entrypoint
-
-	s.db.DB().Where("webhook_id = ?", webhookID).Find(&entrypoints)
-
-	var targets []database.Target
-
-	s.db.DB().Where("webhook_id = ?", webhookID).Find(&targets)
-
-	return s.loadWebhookStats(webhookID, entrypoints, targets)
-}
-
-// FinishedByTargetForTest exposes finishedByTarget for use in the
-// handlers_test package.
-func FinishedByTargetForTest(
-	webhookDB *gorm.DB, since time.Time,
-) ([]TargetFinished, error) {
-	return finishedByTarget(webhookDB, since)
-}
-
-// newRequestForTest is the request the helpers here pass on for
-// callers that have none: it is used only to render the error page.
-func newRequestForTest() *http.Request {
-	return httptest.NewRequestWithContext(
-		context.Background(), http.MethodGet, "/", nil,
-	)
-}
-
 // AddTemplateForTest registers a template under a page name so that
 // the handlers_test package can drive the render path with a
 // template of its own.
@@ -157,5 +122,5 @@ func (s *Handlers) BuildDatabaseTargetConfigForTest(
 	w http.ResponseWriter,
 	expiry string,
 ) (string, error) {
-	return s.buildDatabaseTargetConfig(w, newRequestForTest(), expiry)
+	return s.buildDatabaseTargetConfig(w, expiry)
 }

internal/handlers/handlers.go

@@ -10,12 +10,9 @@ import (
 	"html/template"
 	"log/slog"
 	"net/http"
-	"sync"
 	"sync/atomic"
 
-	"github.com/prometheus/client_golang/prometheus"
 	"go.uber.org/fx"
-	"sneak.berlin/go/webhooker/internal/config"
 	"sneak.berlin/go/webhooker/internal/database"
 	"sneak.berlin/go/webhooker/internal/delivery"
 	"sneak.berlin/go/webhooker/internal/globals"
@@ -31,7 +28,7 @@ const (
 	// maxBodyShift is the bit shift for 1 MB body limit.
 	maxBodyShift = 20
 	// recentEventLimit is the number of recent events to show.
-	recentEventLimit = 50
+	recentEventLimit = 20
 	// paginationPerPage is the number of items per page.
 	paginationPerPage = 25
 
@@ -39,9 +36,6 @@ const (
 	tmplKeyError = "Error"
 	// tmplKeyWebhook is the template data key for a webhook.
 	tmplKeyWebhook = "Webhook"
-	// tmplKeyNext is the template data key for the page to return
-	// to after login.
-	tmplKeyNext = "Next"
 )
 
 // errInvalidPassword is returned when a password does not match.
@@ -59,17 +53,14 @@ type HandlersParams struct {
 
 	Logger       *logger.Logger
 	Globals      *globals.Globals
-	Config       *config.Config
 	Database     *database.Database
 	WebhookDBMgr *database.WebhookDBManager
 	Healthcheck  *healthcheck.Healthcheck
 	Session      *session.Session
 	Middleware   *middleware.Middleware
 	Notifier     delivery.Notifier
-	Archives     delivery.Archives
+	Evictor      delivery.WebhookEvictor
 	SSRFGuard    *delivery.Guard
-	Metrics      *metrics.Set
-	Registry     *prometheus.Registry
 }
 
 // Handlers provides HTTP handler methods for all application
@@ -83,7 +74,7 @@ type Handlers struct {
 	session   *session.Session
 	mw        *middleware.Middleware
 	notifier  delivery.Notifier
-	archives  delivery.Archives
+	evictor   delivery.WebhookEvictor
 	mtr       *metrics.Set
 	templates map[string]*template.Template
 
@@ -92,14 +83,6 @@ type Handlers struct {
 	// is one delivery will actually attempt.
 	ssrf *delivery.Guard
 
-	// renameMu makes the webhook edit, the target edit and target
-	// creation run one at a time, each held from loading the stored
-	// names through the archive rename, the save and any move back.
-	// Interleaved, one could rename an archive between another's
-	// rename and save, leaving the file named for one edit and the
-	// stored names from the other.
-	renameMu sync.Mutex
-
 	// dummyVerifications counts the equivalent-cost verifications
 	// charged for usernames that do not exist. It exists so a test
 	// can prove that path runs without measuring wall-clock time.
@@ -108,23 +91,18 @@ type Handlers struct {
 
 // parsePageTemplate parses a page-specific template set from the
 // embedded FS. Each page template is combined with the shared
-// base, htmlheader, navbar and notice templates, and with any further
+// base, htmlheader, and navbar templates. The page file must be
-// files the page includes. The page file must be listed first so that
+// listed first so that its root action ({{template "base" .}})
-// its root action ({{template "base" .}}) becomes the template set's
+// becomes the template set's entry point.
-// entry point.
+func parsePageTemplate(pageFile string) *template.Template {
-func parsePageTemplate(
+	return template.Must(
-	pageFile string, included ...string,
+		template.ParseFS(
-) *template.Template {
+			templates.Templates,
-	files := append([]string{
 			pageFile,
 			"base.html",
 			"htmlheader.html",
 			"navbar.html",
-		"notice.html",
+		),
-	}, included...)
-
-	return template.Must(
-		template.ParseFS(templates.Templates, files...),
 	)
 }
 
@@ -143,22 +121,20 @@ func New(
 	s.session = params.Session
 	s.mw = params.Middleware
 	s.notifier = params.Notifier
-	s.archives = params.Archives
+	s.evictor = params.Evictor
-	s.mtr = params.Metrics
+	s.mtr = metrics.Default()
 	s.ssrf = params.SSRFGuard
 
 	// Parse all page templates once at startup
 	s.templates = map[string]*template.Template{
 		"login.html":         parsePageTemplate("login.html"),
 		"profile.html":       parsePageTemplate("profile.html"),
-		"settings.html":      parsePageTemplate("settings.html"),
 		"sources_list.html":  parsePageTemplate("sources_list.html"),
 		"sources_new.html":   parsePageTemplate("sources_new.html"),
-		"source_detail.html": parsePageTemplate("source_detail.html", "webhook_stats.html"),
+		"source_detail.html": parsePageTemplate("source_detail.html"),
 		"source_edit.html":   parsePageTemplate("source_edit.html"),
 		"source_logs.html":   parsePageTemplate("source_logs.html"),
 		"target_edit.html":   parsePageTemplate("target_edit.html"),
-		"error.html":         parsePageTemplate("error.html"),
 	}
 
 	lc.Append(fx.Hook{
@@ -170,16 +146,6 @@ func New(
 	return s, nil
 }
 
-// HandleErrorPage returns a handler that answers every request with
-// the error page for status. The router uses it for unknown paths, the
-// CSRF middleware for a refused form, and each admin page route
-// group's recoverer for a panic.
-func (s *Handlers) HandleErrorPage(status int) http.HandlerFunc {
-	return func(w http.ResponseWriter, r *http.Request) {
-		s.renderError(w, r, status)
-	}
-}
-
 func (s *Handlers) respondJSON(
 	w http.ResponseWriter,
 	_ *http.Request,
@@ -197,78 +163,15 @@ func (s *Handlers) respondJSON(
 	}
 }
 
-// serverError logs an error and answers with the 500 error page.
+// serverError logs an error and sends a 500 response.
 func (s *Handlers) serverError(
-	w http.ResponseWriter, r *http.Request, msg string, err error,
+	w http.ResponseWriter, msg string, err error,
 ) {
 	s.log.Error(msg, "error", err)
-	s.renderError(w, r, http.StatusInternalServerError)
+	http.Error(
-}
+		w, "Internal server error",
-
+		http.StatusInternalServerError,
-// renderError answers with status and the error page: the normal
+	)
-// layout, one fixed line explaining the status, and a link back to the
-// webhook list, or to sign-in when nobody is signed in.
-//
-// It renders the page itself rather than through renderTemplate,
-// whose own failure comes here. If the error page cannot render
-// either, the answer is the same status in plain text: never a second
-// attempt, and never a different status.
-func (s *Handlers) renderError(
-	w http.ResponseWriter,
-	r *http.Request,
-	status int,
-) {
-	// The page names the signed-in user, and some error pages are
-	// served outside the routes where NoCache runs.
-	w.Header().Set("Cache-Control", "no-store")
-
-	// No notice: one would say an action worked above a page saying
-	// the request failed.
-	data := s.pageData(r, map[string]any{
-		"Status":     status,
-		"StatusText": http.StatusText(status),
-		"Message":    errorPageText(status),
-	}, nil)
-
-	var buf bytes.Buffer
-
-	err := s.templates["error.html"].Execute(&buf, data)
-	if err != nil {
-		s.log.Error("failed to render error page", "error", err)
-		http.Error(w, http.StatusText(status), status)
-
-		return
-	}
-
-	w.Header().Set("Content-Type", "text/html; charset=utf-8")
-	w.WriteHeader(status)
-
-	_, err = buf.WriteTo(w)
-	if err != nil {
-		s.log.Error("failed to write error page", "error", err)
-	}
-}
-
-// errorPageText is the line the error page shows for status. It is
-// fixed per status, so the page tells the reader no more than the
-// plain-text answers it replaced did.
-func errorPageText(status int) string {
-	switch status {
-	case http.StatusBadRequest:
-		return "The request could not be read."
-	case http.StatusForbidden:
-		return "The request was refused. If it came from a form " +
-			"left open for a long time, reload the page and try " +
-			"again."
-	case http.StatusNotFound:
-		return "There is nothing here. It may have been deleted, " +
-			"or the address may be wrong."
-	case http.StatusServiceUnavailable:
-		return "The server is busy. Please try again in a moment."
-	default: // http.StatusInternalServerError
-		return "Something went wrong on the server. Please try " +
-			"again."
-	}
 }
 
 // UserInfo represents user information for templates
@@ -282,7 +185,6 @@ type templateDataWrapper struct {
 	User      *UserInfo
 	CSRFToken string
 	Version   string
-	Notice    *notice
 	Data      any
 }
 
@@ -309,26 +211,12 @@ func (s *Handlers) getUserInfo(
 }
 
 // renderTemplate renders a pre-parsed template with common
-// data and answers 200.
+// data
 func (s *Handlers) renderTemplate(
 	w http.ResponseWriter,
 	r *http.Request,
 	pageTemplate string,
 	data any,
-) {
-	s.renderTemplateStatus(w, r, pageTemplate, data, http.StatusOK)
-}
-
-// renderTemplateStatus is renderTemplate answering with status, for a
-// form shown again with an error. Call it instead of WriteHeader
-// followed by renderTemplate: the status is written only once the page
-// has rendered, so a failed render can still answer 500.
-func (s *Handlers) renderTemplateStatus(
-	w http.ResponseWriter,
-	r *http.Request,
-	pageTemplate string,
-	data any,
-	status int,
 ) {
 	tmpl, ok := s.templates[pageTemplate]
 	if !ok {
@@ -336,22 +224,14 @@ func (s *Handlers) renderTemplateStatus(
 			"template not found",
 			"template", pageTemplate,
 		)
-		s.renderError(w, r, http.StatusInternalServerError)
+		http.Error(
+			w, "Internal server error",
+			http.StatusInternalServerError,
+		)
 
 		return
 	}
 
-	s.executeTemplate(
-		w, r, tmpl, s.pageData(r, data, noticeFor(r)), status,
-	)
-}
-
-// pageData adds the fields the shared layout renders to a page's own
-// data. The layout shows the notice, when there is one, above the
-// page.
-func (s *Handlers) pageData(
-	r *http.Request, data any, pageNotice *notice,
-) any {
 	userInfo := s.getUserInfo(r)
 	csrfToken := middleware.CSRFToken(r)
 
@@ -365,34 +245,33 @@ func (s *Handlers) pageData(
 		m["User"] = userInfo
 		m["CSRFToken"] = csrfToken
 		m["Version"] = version
-		m["Notice"] = pageNotice
+		s.executeTemplate(w, tmpl, m)
 
-		return m
+		return
 	}
 
-	return templateDataWrapper{
+	wrapper := templateDataWrapper{
 		User:      userInfo,
 		CSRFToken: csrfToken,
 		Version:   version,
-		Notice:    pageNotice,
 		Data:      data,
 	}
+
+	s.executeTemplate(w, tmpl, wrapper)
 }
 
-// executeTemplate renders the template into a buffer and writes status
+// executeTemplate renders the template into a buffer and writes to
-// and the page to the response only once rendering has fully
+// the response only once rendering has fully succeeded. Executing
-// succeeded. Executing straight into the ResponseWriter commits a
+// straight into the ResponseWriter commits a partial body and a 200
-// partial body and the status before a mid-render error can be
+// status before a mid-render error can be reported, leaving no way
-// reported, leaving no way to serve a 500. Buffering makes a page's
+// to serve a 500. Buffering makes a page's rendered size resident
-// rendered size resident memory per concurrent viewer, so every page
+// memory per concurrent viewer, so every page owes it a bound: the
-// owes it a bound: the event log caps each stored body at
+// event log caps each stored body at maxRenderedBodyBytes for exactly
-// maxRenderedBodyBytes for exactly this reason.
+// this reason.
 func (s *Handlers) executeTemplate(
 	w http.ResponseWriter,
-	r *http.Request,
 	tmpl *template.Template,
 	data any,
-	status int,
 ) {
 	var buf bytes.Buffer
 
@@ -401,13 +280,15 @@ func (s *Handlers) executeTemplate(
 		s.log.Error(
 			"failed to execute template", "error", err,
 		)
-		s.renderError(w, r, http.StatusInternalServerError)
+		http.Error(
+			w, "Internal server error",
+			http.StatusInternalServerError,
+		)
 
 		return
 	}
 
 	w.Header().Set("Content-Type", "text/html; charset=utf-8")
-	w.WriteHeader(status)
 
 	_, err = buf.WriteTo(w)
 	if err != nil {

internal/handlers/handlers_test.go

@@ -3,7 +3,6 @@ package handlers_test
 import (
 	"context"
 	"errors"
-	"fmt"
 	"html/template"
 	"net/http"
 	"net/http/httptest"
@@ -21,7 +20,6 @@ import (
 	"sneak.berlin/go/webhooker/internal/handlers"
 	"sneak.berlin/go/webhooker/internal/healthcheck"
 	"sneak.berlin/go/webhooker/internal/logger"
-	"sneak.berlin/go/webhooker/internal/metrics"
 	"sneak.berlin/go/webhooker/internal/middleware"
 	"sneak.berlin/go/webhooker/internal/session"
 )
@@ -53,103 +51,23 @@ func (n *recordingNotifier) Tasks() []delivery.Task {
 	return out
 }
 
-// recordingArchives is a delivery.Archives that records what it
+// recordingEvictor is a delivery.WebhookEvictor that records
-// was asked to do, so a test can prove that a deletion or rename
+// the webhook ids it was asked to evict, so a test can prove
-// path reached the delivery engine. After FailRenames, every
+// that a deletion path reached the delivery engine.
-// rename of that target fails with the given error. After
+type recordingEvictor struct {
-// BlockNextRename, the next rename is recorded and then waits.
-type recordingArchives struct {
 	mu      sync.Mutex
 	evicted []string
-	evictedTargets []string
-	renames        []archiveRename
-	renameErrs     map[string]error
-	entered        chan struct{}
-	release        chan struct{}
 }
 
-// errInjectedRename is the failure a test hands FailRenames.
+func (r *recordingEvictor) EvictWebhook(webhookID string) {
-var errInjectedRename = errors.New("injected rename failure")
-
-// errNameTaken is what the delivery engine returns when a file
-// already has an archive's new name, here archive-taken.db.
-var errNameTaken = fmt.Errorf(
-	"%w: archive-taken.db", delivery.ErrArchiveNameTaken,
-)
-
-// archiveRename is one recorded Rename call.
-type archiveRename struct {
-	TargetID    string
-	WebhookName string
-	TargetName  string
-}
-
-func (r *recordingArchives) EvictWebhook(webhookID string) {
 	r.mu.Lock()
 	defer r.mu.Unlock()
 
 	r.evicted = append(r.evicted, webhookID)
 }
 
-func (r *recordingArchives) EvictTarget(targetID string) {
-	r.mu.Lock()
-	defer r.mu.Unlock()
-
-	r.evictedTargets = append(r.evictedTargets, targetID)
-}
-
-func (r *recordingArchives) Rename(
-	targetID, webhookName, targetName string,
-) error {
-	r.mu.Lock()
-
-	r.renames = append(r.renames, archiveRename{
-		TargetID:    targetID,
-		WebhookName: webhookName,
-		TargetName:  targetName,
-	})
-	err := r.renameErrs[targetID]
-	entered, release := r.entered, r.release
-	r.entered, r.release = nil, nil
-
-	r.mu.Unlock()
-
-	if entered != nil {
-		close(entered)
-		<-release
-	}
-
-	return err
-}
-
-// BlockNextRename makes the next rename, once recorded, wait until
-// the returned release is called. The returned channel is closed
-// when that rename starts waiting.
-func (r *recordingArchives) BlockNextRename() (<-chan struct{}, func()) {
-	entered := make(chan struct{})
-	release := make(chan struct{})
-
-	r.mu.Lock()
-	r.entered, r.release = entered, release
-	r.mu.Unlock()
-
-	return entered, func() { close(release) }
-}
-
-// FailRenames makes every later rename of targetID fail with err.
-func (r *recordingArchives) FailRenames(targetID string, err error) {
-	r.mu.Lock()
-	defer r.mu.Unlock()
-
-	if r.renameErrs == nil {
-		r.renameErrs = map[string]error{}
-	}
-
-	r.renameErrs[targetID] = err
-}
-
 // Evicted returns a copy of the recorded webhook ids.
-func (r *recordingArchives) Evicted() []string {
+func (r *recordingEvictor) Evicted() []string {
 	r.mu.Lock()
 	defer r.mu.Unlock()
 
@@ -159,62 +77,22 @@ func (r *recordingArchives) Evicted() []string {
 	return out
 }
 
-// EvictedTargets returns a copy of the recorded target ids.
-func (r *recordingArchives) EvictedTargets() []string {
-	r.mu.Lock()
-	defer r.mu.Unlock()
-
-	out := make([]string, len(r.evictedTargets))
-	copy(out, r.evictedTargets)
-
-	return out
-}
-
-// Renames returns a copy of the recorded renames.
-func (r *recordingArchives) Renames() []archiveRename {
-	r.mu.Lock()
-	defer r.mu.Unlock()
-
-	out := make([]archiveRename, len(r.renames))
-	copy(out, r.renames)
-
-	return out
-}
-
-// newTestApp returns an app whose RequireStart fails the test when
-// starting takes longer than fx's default start timeout of 15s. That
-// limit catches a start that hangs, not a busy host: measured with make
-// test on 2026-10-02 at host load 58-69 on 48 cores, the slowest of this
-// package's starts took 0.49s.
 func newTestApp(
 	t *testing.T,
 	targets ...any,
 ) *fxtest.App {
 	t.Helper()
 
-	return newTestAppWithConfig(
-		t, &config.Config{DataDir: t.TempDir()}, targets...,
-	)
-}
-
-// newTestAppWithConfig is newTestApp over a caller-supplied Config.
-func newTestAppWithConfig(
-	t *testing.T,
-	cfg *config.Config,
-	targets ...any,
-) *fxtest.App {
-	t.Helper()
-
 	return fxtest.New(
 		t,
-		// fx's own log is discarded, not sent to t.Logf: a hook still
-		// running after a start or stop timeout would write there after
-		// the test has returned.
-		fx.NopLogger,
 		fx.Provide(
 			globals.New,
 			logger.New,
-			func() *config.Config { return cfg },
+			func() *config.Config {
+				return &config.Config{
+					DataDir: t.TempDir(),
+				}
+			},
 			database.New,
 			database.NewWebhookDBManager,
 			healthcheck.New,
@@ -225,14 +103,12 @@ func newTestAppWithConfig(
 			func(n *recordingNotifier) delivery.Notifier {
 				return n
 			},
-			func() *recordingArchives {
+			func() *recordingEvictor {
-				return &recordingArchives{}
+				return &recordingEvictor{}
 			},
-			func(r *recordingArchives) delivery.Archives {
+			func(r *recordingEvictor) delivery.WebhookEvictor {
 				return r
 			},
-			metrics.NewRegistry,
-			metrics.New,
 			middleware.New,
 			delivery.NewGuard,
 			handlers.New,
@@ -431,14 +307,10 @@ func TestRenderTemplateMidRenderErrorSendsNoPartialBody(t *testing.T) {
 		t, http.StatusInternalServerError, w.Code,
 		"a failed render must report a 500",
 	)
-	assert.NotContains(
+	assert.Equal(
-		t, w.Body.String(), partialPageMarker,
+		t, "Internal server error\n", w.Body.String(),
 		"the response must carry no part of the aborted page",
 	)
-	assert.Contains(
-		t, w.Body.String(), "500 Internal Server Error",
-		"a failed render must answer with the error page",
-	)
 }
 
 func TestBuildDatabaseTargetConfig_Valid(t *testing.T) {

internal/handlers/logbound_test.go

@@ -339,9 +339,11 @@ const storedUserPassword = "correct-horse-battery-staple"
 // storedFillBytes is the raw length of the client-chosen value in
 // those accounts' usernames. It is well past the 512-byte field
 // budget, so the line is still truncated, but short enough that the
-// whole username, markers and fill name included, stays within
+// session cookie a successful login writes stays inside
-// database.MaxUsernameBytes.
+// securecookie's 4 KB limit: the cookie is written BEFORE the
-const storedFillBytes = 960
+// "user logged in" line, so an 8 KB username answers 500 and never
+// reaches it.
+const storedFillBytes = 1024
 
 // storedFill builds a username fill of storedFillBytes raw bytes out
 // of repetitions of ch, with both markers at its far end.

internal/handlers/metrics.go

@@ -1,21 +0,0 @@
-package handlers
-
-import (
-	"net/http"
-
-	"github.com/prometheus/client_golang/prometheus/promhttp"
-)
-
-// HandleMetrics returns the Prometheus scrape handler for the
-// registry built by metrics.NewRegistry, which the HTTP, delivery, Go
-// runtime and process collectors register on. It is what
-// promhttp.Handler builds for the global default registry, including
-// the promhttp_metric_handler_* series that count scrapes, pointed at
-// that registry instead.
-func (s *Handlers) HandleMetrics() http.HandlerFunc {
-	reg := s.params.Registry
-
-	return promhttp.InstrumentMetricHandler(
-		reg, promhttp.HandlerFor(reg, promhttp.HandlerOpts{}),
-	).ServeHTTP
-}

internal/handlers/notice.go

@@ -1,109 +0,0 @@
-package handlers
-
-import "net/http"
-
-// noticeParam is the query parameter an action's redirect carries its
-// notice code in.
-const noticeParam = "notice"
-
-// noticeCode names one of the fixed lines noticeFor knows. An action
-// redirects with the code rather than the line, so nothing a client
-// puts in the URL reaches the page: a code noticeFor does not know
-// shows nothing.
-type noticeCode string
-
-// The codes of the actions on the webhook pages and of signing out.
-// Replay's codes, with the reasons a replay can be refused, and
-// resubmit's codes are defined beside those actions.
-const (
-	webhookCreated        noticeCode = "webhook-created"
-	webhookSaved          noticeCode = "webhook-saved"
-	webhookDeleted        noticeCode = "webhook-deleted"
-	entrypointAdded       noticeCode = "entrypoint-added"
-	entrypointDeleted     noticeCode = "entrypoint-deleted"
-	entrypointActivated   noticeCode = "entrypoint-activated"
-	entrypointDeactivated noticeCode = "entrypoint-deactivated"
-	targetAdded           noticeCode = "target-added"
-	targetSaved           noticeCode = "target-saved"
-	targetDeleted         noticeCode = "target-deleted"
-	targetActivated       noticeCode = "target-activated"
-	targetDeactivated     noticeCode = "target-deactivated"
-	signedOut             noticeCode = "signed-out"
-)
-
-// notice is the line templates/notice.html shows above a page to say
-// what an action did.
-type notice struct {
-	Text string
-
-	// Failed shows the line as an error: the action was refused.
-	Failed bool
-}
-
-// noticeFor returns the notice the request's URL names, or nil when it
-// names none or an unknown code.
-func noticeFor(r *http.Request) *notice {
-	n, ok := map[noticeCode]notice{
-		webhookCreated:        {Text: "Webhook created."},
-		webhookSaved:          {Text: "Webhook saved."},
-		webhookDeleted:        {Text: "Webhook deleted."},
-		entrypointAdded:       {Text: "Entrypoint added."},
-		entrypointDeleted:     {Text: "Entrypoint deleted."},
-		entrypointActivated:   {Text: "Entrypoint activated."},
-		entrypointDeactivated: {Text: "Entrypoint deactivated."},
-		targetAdded:           {Text: "Target added."},
-		targetSaved:           {Text: "Target saved."},
-		targetDeleted:         {Text: "Target deleted."},
-		targetActivated:       {Text: "Target activated."},
-		targetDeactivated:     {Text: "Target deactivated."},
-		signedOut:             {Text: "Signed out."},
-
-		replayQueued: {
-			Text: "Replay queued: a new delivery was created " +
-				"against the target's current configuration.",
-		},
-		replayTargetDeleted: {
-			Text: "Not replayed: the target this delivery was for " +
-				"has been deleted. Recreate the target, then replay.",
-			Failed: true,
-		},
-		replayTargetMissing: {
-			Text: "Not replayed: the target this delivery was for " +
-				"no longer exists.",
-			Failed: true,
-		},
-		replayTargetInactive: {
-			Text: "Not replayed: the target this delivery was for " +
-				"is deactivated. Activate it, then replay.",
-			Failed: true,
-		},
-		replayNotTerminal: {
-			Text:   "Not replayed: this delivery has not finished yet.",
-			Failed: true,
-		},
-		replayInFlight: {
-			Text: "Not replayed: a delivery of this event to this " +
-				"target is already in flight.",
-			Failed: true,
-		},
-
-		resubmitQueued: {
-			Text: "Resubmitted: a new event was created from the " +
-				"stored one and queued to every active target.",
-		},
-		resubmitNoTargets: {
-			Text: "Resubmitted: a new event was created, but this " +
-				"source has no active targets, so nothing was queued.",
-		},
-	}[noticeCode(r.URL.Query().Get(noticeParam))]
-	if !ok {
-		return nil
-	}
-
-	return &n
-}
-
-// withNotice returns path with code added as its notice.
-func withNotice(path string, code noticeCode) string {
-	return path + "?" + noticeParam + "=" + string(code)
-}

internal/handlers/profile.go

@@ -1,6 +1,7 @@
 package handlers
 
 import (
+	"context"
 	"net/http"
 
 	"github.com/go-chi/chi"
@@ -36,14 +37,14 @@ func (h *Handlers) HandlePasswordChange() http.HandlerFunc {
 		err := r.ParseForm()
 		if err != nil {
 			h.log.Error("failed to parse form", "error", err)
-			h.renderError(w, r, http.StatusBadRequest)
+			http.Error(w, "Bad request", http.StatusBadRequest)
 
 			return
 		}
 
 		successMessage, errorMessage, handled := h.applyPasswordChange(
+			r.Context(),
 			w,
-			r,
 			sessionUsername,
 			// PostFormValue, not FormValue: the credential must
 			// come from the body, never from the query string.
@@ -65,12 +66,12 @@ func (h *Handlers) HandlePasswordChange() http.HandlerFunc {
 // applyPasswordChange verifies the current password and, on success,
 // persists a fresh hash for the user, reusing the same helpers that
 // bootstrap the admin user. It returns the success and error messages
-// to display on the profile page. On an internal failure it writes the
+// to display on the profile page. On an internal failure it writes a
-// error page itself and returns handled=false, signalling the caller
+// 500 response itself and returns handled=false, signalling the caller
 // to stop without re-rendering the page.
 func (h *Handlers) applyPasswordChange(
+	ctx context.Context,
 	w http.ResponseWriter,
-	r *http.Request,
 	username, currentPassword, newPassword, confirmPassword string,
 ) (string, string, bool) {
 	// This endpoint verifies one password and hashes another, at
@@ -78,10 +79,15 @@ func (h *Handlers) applyPasswordChange(
 	// endpoint uses. The bound is per hash, not per endpoint: leaving
 	// this path outside it would leave a hole in it. The slot is held
 	// across both hashes.
-	release, ok := h.mw.BeginPasswordVerification(r.Context())
+	release, ok := h.mw.BeginPasswordVerification(ctx)
 	if !ok {
 		h.log.Warn("password verification capacity exhausted")
-		h.renderError(w, r, http.StatusServiceUnavailable)
+		http.Error(
+			w,
+			"The server is busy verifying credentials. "+
+				"Please try again.",
+			http.StatusServiceUnavailable,
+		)
 
 		return "", "", false
 	}
@@ -97,7 +103,7 @@ func (h *Handlers) applyPasswordChange(
 	).First(&user).Error
 	if err != nil {
 		h.serverError(
-			w, r, "failed to load user for password change", err,
+			w, "failed to load user for password change", err,
 		)
 
 		return "", "", false
@@ -107,7 +113,7 @@ func (h *Handlers) applyPasswordChange(
 		currentPassword, user.Password,
 	)
 	if err != nil {
-		h.serverError(w, r, "failed to verify password", err)
+		h.serverError(w, "failed to verify password", err)
 
 		return "", "", false
 	}
@@ -126,7 +132,7 @@ func (h *Handlers) applyPasswordChange(
 
 	hashedPassword, err := database.HashPassword(newPassword)
 	if err != nil {
-		h.serverError(w, r, "failed to hash new password", err)
+		h.serverError(w, "failed to hash new password", err)
 
 		return "", "", false
 	}
@@ -135,7 +141,7 @@ func (h *Handlers) applyPasswordChange(
 		"password", hashedPassword,
 	).Error
 	if err != nil {
-		h.serverError(w, r, "failed to update password", err)
+		h.serverError(w, "failed to update password", err)
 
 		return "", "", false
 	}
@@ -156,7 +162,7 @@ func (h *Handlers) profileOwnerOrDeny(
 ) (string, string, bool) {
 	requestedUsername := chi.URLParam(r, "username")
 	if requestedUsername == "" {
-		h.renderError(w, r, http.StatusNotFound)
+		http.NotFound(w, r)
 
 		return "", "", false
 	}
@@ -166,7 +172,7 @@ func (h *Handlers) profileOwnerOrDeny(
 	// unexpected retrieval error.
 	sess, err := h.session.Get(r)
 	if err != nil {
-		h.serverError(w, r, "failed to get session", err)
+		h.serverError(w, "failed to get session", err)
 
 		return "", "", false
 	}
@@ -174,7 +180,10 @@ func (h *Handlers) profileOwnerOrDeny(
 	sessionUsername, ok := h.session.GetUsername(sess)
 	if !ok {
 		h.log.Error("authenticated session missing username")
-		h.renderError(w, r, http.StatusInternalServerError)
+		http.Error(
+			w, "Internal server error",
+			http.StatusInternalServerError,
+		)
 
 		return "", "", false
 	}
@@ -182,14 +191,17 @@ func (h *Handlers) profileOwnerOrDeny(
 	sessionUserID, ok := h.session.GetUserID(sess)
 	if !ok {
 		h.log.Error("authenticated session missing user ID")
-		h.renderError(w, r, http.StatusInternalServerError)
+		http.Error(
+			w, "Internal server error",
+			http.StatusInternalServerError,
+		)
 
 		return "", "", false
 	}
 
 	// Only allow users to act on their own profile.
 	if requestedUsername != sessionUsername {
-		h.renderError(w, r, http.StatusForbidden)
+		http.Error(w, "Forbidden", http.StatusForbidden)
 
 		return "", "", false
 	}

internal/handlers/profile_test.go

@@ -88,8 +88,6 @@ func TestHandleProfile_OwnProfile_OK(t *testing.T) {
 	h.HandleProfile().ServeHTTP(w, req)
 
 	assert.Equal(t, http.StatusOK, w.Code)
-	assert.Contains(t, w.Body.String(), "Account Information")
-	assert.NotContains(t, w.Body.String(), "Account Type")
 }
 
 func TestHandleProfile_OtherProfile_Forbidden(t *testing.T) {
@@ -128,9 +126,7 @@ func TestUserRoute_Unauthenticated_RedirectedByMiddleware(t *testing.T) {
 
 	var sess *session.Session
 
-	var h *handlers.Handlers
+	app := newTestApp(t, &log, &cfg, &sess)
-
-	app := newTestApp(t, &log, &cfg, &sess, &h)
 	app.RequireStart()
 
 	t.Cleanup(app.RequireStop)
@@ -141,7 +137,7 @@ func TestUserRoute_Unauthenticated_RedirectedByMiddleware(t *testing.T) {
 
 	router := chi.NewRouter()
 	router.Route("/user/{username}", func(r chi.Router) {
-		r.Use(mw.CSRF(h.HandleErrorPage(http.StatusForbidden)))
+		r.Use(mw.CSRF())
 		r.Use(mw.RequireAuth())
 		r.Get("/", func(w http.ResponseWriter, _ *http.Request) {
 			handlerReached = true
@@ -162,10 +158,7 @@ func TestUserRoute_Unauthenticated_RedirectedByMiddleware(t *testing.T) {
 		"handler must not be reached for unauthenticated request",
 	)
 	assert.Equal(t, http.StatusSeeOther, w.Code)
-	assert.Equal(
+	assert.Equal(t, "/pages/login", w.Header().Get("Location"))
-		t, "/pages/login?next=%2Fuser%2Ftestuser",
-		w.Header().Get("Location"),
-	)
 }
 
 // passwordChangeRequest builds a POST request to the password-change

internal/handlers/recent_events.go

@@ -1,293 +0,0 @@
-package handlers
-
-import (
-	"net/http"
-	"slices"
-	"strconv"
-	"time"
-
-	"github.com/dustin/go-humanize"
-	"gorm.io/gorm"
-	"sneak.berlin/go/webhooker/internal/database"
-)
-
-// recentEventColumns is the recent events list's projection. It
-// leaves out the body, for the reason maxRenderedBodyBytes gives,
-// and reads its size from body_bytes, recorded when the event was
-// stored.
-const recentEventColumns = "id, created_at, method, content_type, " +
-	"resubmitted_from_id, body_bytes"
-
-// recentAttemptColumns is the part of a recorded attempt the list
-// uses. The event log's deliveryResultColumns also reads response
-// bodies, which the list does not show.
-const recentAttemptColumns = "delivery_id, status_code, created_at"
-
-// RecentEventView is one row of the recent events list on a
-// webhook's page.
-type RecentEventView struct {
-	Method      string
-	ContentType string
-
-	// ResubmittedFromID names the event this one was copied from,
-	// empty for an event that arrived on the receiver.
-	ResubmittedFromID string
-
-	// Received is how long ago the event arrived, and ReceivedUTC
-	// the full timestamp the page shows on hover.
-	Received    string
-	ReceivedUTC string
-
-	// Size is the size of the stored body.
-	Size string
-
-	// ProcessingTime is how long the event's slowest delivery
-	// took; see processingTime.
-	ProcessingTime string
-
-	// Status is what the webhook's HTTP target answered, and
-	// StatusClass its colour; see targetStatus. Both are empty
-	// unless the webhook has exactly one HTTP target.
-	Status      string
-	StatusClass string
-}
-
-// recentEventRow is one row of recentEventColumns.
-type recentEventRow struct {
-	ID                string
-	CreatedAt         time.Time
-	Method            string
-	ContentType       string
-	ResubmittedFromID *string
-	BodyBytes         uint64
-}
-
-// recentAttemptRow is one row of recentAttemptColumns. CreatedAt is
-// when the attempt's result was recorded, which is when the attempt
-// finished.
-type recentAttemptRow struct {
-	DeliveryID string
-	StatusCode int
-	CreatedAt  time.Time
-}
-
-// singleHTTPTargetID returns the ID of the webhook's HTTP target
-// when it has exactly one, and "" when it has none or several.
-func singleHTTPTargetID(targets []database.Target) string {
-	id := ""
-	count := 0
-
-	for i := range targets {
-		if targets[i].Type == database.TargetTypeHTTP {
-			id = targets[i].ID
-			count++
-		}
-	}
-
-	if count != 1 {
-		return ""
-	}
-
-	return id
-}
-
-// loadRecentEvents loads the webhook's recentEventLimit newest
-// events for its page, newest first. statusTargetID is the
-// webhook's only HTTP target, or "" when the list shows no status.
-func loadRecentEvents(
-	webhookDB *gorm.DB, webhookID, statusTargetID string,
-) ([]RecentEventView, error) {
-	var rows []recentEventRow
-
-	err := webhookDB.Model(&database.Event{}).
-		Select(recentEventColumns).
-		Where("webhook_id = ?", webhookID).
-		Order("created_at DESC").
-		Limit(recentEventLimit).
-		Find(&rows).Error
-	if err != nil {
-		return nil, err
-	}
-
-	eventIDs := make([]string, len(rows))
-	for i := range rows {
-		eventIDs[i] = rows[i].ID
-	}
-
-	// Oldest first, so an event's last delivery to a target is its
-	// newest: a replay adds a delivery rather than changing the
-	// earlier one.
-	var deliveries []database.Delivery
-
-	err = webhookDB.
-		Select("id, event_id, target_id, status, created_at").
-		Where("event_id IN ?", eventIDs).
-		Order("created_at ASC").
-		Find(&deliveries).Error
-	if err != nil {
-		return nil, err
-	}
-
-	byEvent := make(map[string][]database.Delivery, len(rows))
-	deliveryIDs := make([]string, len(deliveries))
-
-	for i := range deliveries {
-		eventID := deliveries[i].EventID
-		byEvent[eventID] = append(byEvent[eventID], deliveries[i])
-		deliveryIDs[i] = deliveries[i].ID
-	}
-
-	attempts, err := loadRecentAttempts(webhookDB, deliveryIDs)
-	if err != nil {
-		return nil, err
-	}
-
-	views := make([]RecentEventView, len(rows))
-	for i := range rows {
-		views[i] = rows[i].view(
-			byEvent[rows[i].ID], attempts, statusTargetID,
-		)
-	}
-
-	return views, nil
-}
-
-// loadRecentAttempts loads the recorded attempts of the listed
-// events' deliveries, keyed by delivery ID, each delivery's in
-// attempt order. The IDs go in chunks for the reason
-// deliveryIDChunkSize gives.
-func loadRecentAttempts(
-	webhookDB *gorm.DB, deliveryIDs []string,
-) (map[string][]recentAttemptRow, error) {
-	byDelivery := make(map[string][]recentAttemptRow)
-
-	for chunk := range slices.Chunk(deliveryIDs, deliveryIDChunkSize) {
-		var rows []recentAttemptRow
-
-		err := webhookDB.Model(&database.DeliveryResult{}).
-			Select(recentAttemptColumns).
-			Where("delivery_id IN ?", chunk).
-			Order("attempt_num ASC").
-			Find(&rows).Error
-		if err != nil {
-			return nil, err
-		}
-
-		for i := range rows {
-			id := rows[i].DeliveryID
-			byDelivery[id] = append(byDelivery[id], rows[i])
-		}
-	}
-
-	return byDelivery, nil
-}
-
-// view projects a loaded row for rendering. deliveries is the
-// event's deliveries, oldest first, and attempts their recorded
-// attempts keyed by delivery ID.
-func (r *recentEventRow) view(
-	deliveries []database.Delivery,
-	attempts map[string][]recentAttemptRow,
-	statusTargetID string,
-) RecentEventView {
-	v := RecentEventView{
-		Method:         r.Method,
-		ContentType:    r.ContentType,
-		Received:       humanize.Time(r.CreatedAt),
-		ReceivedUTC:    r.CreatedAt.UTC().Format(time.DateTime) + " UTC",
-		Size:           humanize.Bytes(r.BodyBytes),
-		ProcessingTime: processingTime(deliveries, attempts),
-	}
-
-	if r.ResubmittedFromID != nil {
-		v.ResubmittedFromID = *r.ResubmittedFromID
-	}
-
-	if statusTargetID != "" {
-		v.Status, v.StatusClass = targetStatus(
-			deliveries, attempts, statusTargetID,
-		)
-	}
-
-	return v
-}
-
-// processingTime is how long the event's slowest delivery took,
-// from being queued to its last recorded attempt, time spent
-// waiting between retries included. A delivery is queued when its
-// event is received, or when an operator replays it, so a replay
-// is timed from the replay rather than from the event's arrival.
-// It is "in progress" while any delivery is pending or retrying,
-// and empty for an event with no deliveries.
-func processingTime(
-	deliveries []database.Delivery,
-	attempts map[string][]recentAttemptRow,
-) string {
-	if len(deliveries) == 0 {
-		return ""
-	}
-
-	var slowest time.Duration
-
-	for i := range deliveries {
-		if !deliveries[i].Status.Terminal() {
-			return "in progress"
-		}
-
-		tries := attempts[deliveries[i].ID]
-		if len(tries) == 0 {
-			continue
-		}
-
-		last := tries[len(tries)-1].CreatedAt
-		slowest = max(slowest, last.Sub(deliveries[i].CreatedAt))
-	}
-
-	return slowest.Round(time.Millisecond).String()
-}
-
-// targetStatus is what the target answered for the event, and the
-// colour to show it in: the HTTP status code of the last attempt of
-// the event's newest delivery to the target. Without a code it is
-// "no response" when that attempt failed before a response
-// arrived, the delivery's status ("pending") before any attempt,
-// and "not sent" when the event has no delivery to the target.
-func targetStatus(
-	deliveries []database.Delivery,
-	attempts map[string][]recentAttemptRow,
-	targetID string,
-) (string, string) {
-	newest := -1
-
-	for i := range deliveries {
-		if deliveries[i].TargetID == targetID {
-			newest = i
-		}
-	}
-
-	if newest < 0 {
-		return "not sent", "text-gray-400"
-	}
-
-	tries := attempts[deliveries[newest].ID]
-	if len(tries) == 0 {
-		return string(deliveries[newest].Status), "text-gray-400"
-	}
-
-	code := tries[len(tries)-1].StatusCode
-
-	switch {
-	case code == 0:
-		return "no response", "text-red-600"
-	case code >= http.StatusInternalServerError:
-		return strconv.Itoa(code), "text-red-600"
-	case code >= http.StatusBadRequest:
-		return strconv.Itoa(code), "text-yellow-600"
-	case code >= http.StatusMultipleChoices:
-		return strconv.Itoa(code), "text-gray-500"
-	case code >= http.StatusOK:
-		return strconv.Itoa(code), "text-green-600"
-	default:
-		return strconv.Itoa(code), "text-gray-500"
-	}
-}

internal/handlers/recent_events_test.go

@@ -1,362 +0,0 @@
-package handlers_test
-
-import (
-	"context"
-	"fmt"
-	"net/http"
-	"net/http/httptest"
-	"strings"
-	"testing"
-	"time"
-
-	"github.com/go-chi/chi"
-	"github.com/stretchr/testify/assert"
-	"github.com/stretchr/testify/require"
-	"gorm.io/gorm"
-	"gorm.io/gorm/clause"
-	"sneak.berlin/go/webhooker/internal/database"
-	"sneak.berlin/go/webhooker/internal/handlers"
-	"sneak.berlin/go/webhooker/internal/session"
-)
-
-// statusTitle marks the status column's cell in a recent events
-// row; it is absent from the page when the column is not shown.
-const statusTitle = `title="HTTP status from the HTTP target"`
-
-// recentEventsFixture is one started app and a webhook whose
-// recent events list a test fills.
-type recentEventsFixture struct {
-	h         *handlers.Handlers
-	sess      *session.Session
-	db        *database.Database
-	webhook   *database.Webhook
-	webhookDB *gorm.DB
-}
-
-func newRecentEventsFixture(t *testing.T) *recentEventsFixture {
-	t.Helper()
-
-	f := &recentEventsFixture{}
-
-	var dbMgr *database.WebhookDBManager
-
-	app := newTestApp(t, &f.h, &f.sess, &f.db, &dbMgr)
-	app.RequireStart()
-
-	t.Cleanup(app.RequireStop)
-
-	f.webhook = seedWebhook(t, f.db)
-
-	webhookDB, err := dbMgr.GetDB(f.webhook.ID)
-	require.NoError(t, err)
-
-	f.webhookDB = webhookDB
-
-	return f
-}
-
-func (f *recentEventsFixture) render(t *testing.T) string {
-	t.Helper()
-
-	return renderSourceDetailPage(t, f.h, f.sess, f.webhook.ID)
-}
-
-// event records an event received at receivedAt, with its body's
-// size as the receiver records it.
-func (f *recentEventsFixture) event(
-	t *testing.T, contentType, body string, receivedAt time.Time,
-) *database.Event {
-	t.Helper()
-
-	event := &database.Event{
-		WebhookID:   f.webhook.ID,
-		Method:      http.MethodPost,
-		Body:        body,
-		BodyBytes:   int64(len(body)),
-		ContentType: contentType,
-	}
-	event.CreatedAt = receivedAt
-
-	require.NoError(t, f.webhookDB.Omit(
-		clause.Associations,
-	).Create(event).Error)
-
-	return event
-}
-
-// delivery records a delivery of the event to the target, queued
-// when the event was received.
-func (f *recentEventsFixture) delivery(
-	t *testing.T,
-	event *database.Event,
-	targetID string,
-	status database.DeliveryStatus,
-) *database.Delivery {
-	t.Helper()
-
-	return f.deliveryQueuedAt(
-		t, event, targetID, status, event.CreatedAt,
-	)
-}
-
-// deliveryQueuedAt records a delivery of the event to the target,
-// queued at queuedAt, as a replay is.
-func (f *recentEventsFixture) deliveryQueuedAt(
-	t *testing.T,
-	event *database.Event,
-	targetID string,
-	status database.DeliveryStatus,
-	queuedAt time.Time,
-) *database.Delivery {
-	t.Helper()
-
-	dlv := &database.Delivery{
-		EventID:  event.ID,
-		TargetID: targetID,
-		Status:   status,
-	}
-	dlv.CreatedAt = queuedAt
-
-	require.NoError(t, f.webhookDB.Omit(
-		clause.Associations,
-	).Create(dlv).Error)
-
-	return dlv
-}
-
-// attempt records one attempt of the delivery that finished took
-// after the delivery was queued, with HTTP status code (0 for no
-// response).
-func (f *recentEventsFixture) attempt(
-	t *testing.T, dlv *database.Delivery, code int, took time.Duration,
-) {
-	t.Helper()
-
-	result := &database.DeliveryResult{
-		DeliveryID: dlv.ID,
-		AttemptNum: 1,
-		StatusCode: code,
-	}
-	result.CreatedAt = dlv.CreatedAt.Add(took)
-
-	require.NoError(t, f.webhookDB.Omit(
-		clause.Associations,
-	).Create(result).Error)
-}
-
-// statusCell is the status column's cell as the page renders it.
-func statusCell(class, text string) string {
-	return `<span class="font-medium ` + class + `" ` + statusTitle +
-		`>` + text + `</span>`
-}
-
-// TestHandleSourceDetail_ShowsFiftyNewestEvents proves the list is
-// headed "50 Most Recent Events" and holds the 50 newest events,
-// newest first, and not one more.
-func TestHandleSourceDetail_ShowsFiftyNewestEvents(t *testing.T) {
-	t.Parallel()
-
-	f := newRecentEventsFixture(t)
-	base := time.Now().Add(-time.Hour)
-
-	for i := range 51 {
-		f.event(
-			t, fmt.Sprintf("application/x-recent-%02d", i), "{}",
-			base.Add(time.Duration(i)*time.Second),
-		)
-	}
-
-	body := f.render(t)
-
-	assert.Contains(t, body, ">50 Most Recent Events</h2>")
-	assert.Equal(t, 50, strings.Count(body, `title="Body size"`))
-	assert.NotContains(t, body, "application/x-recent-00")
-	assert.Contains(t, body, "application/x-recent-01")
-	assert.Less(
-		t,
-		strings.Index(body, "application/x-recent-50"),
-		strings.Index(body, "application/x-recent-49"),
-	)
-}
-
-// TestHandleSourceDetail_RecentEventColumns proves a row shows its
-// time relative with the UTC timestamp on hover, its body size,
-// and its processing time once every delivery has finished.
-func TestHandleSourceDetail_RecentEventColumns(t *testing.T) {
-	t.Parallel()
-
-	f := newRecentEventsFixture(t)
-	logTarget := seedTarget(t, f.db, f.webhook.ID, database.TargetTypeLog)
-
-	receivedAt := time.Now().Add(-210 * time.Second).
-		UTC().Truncate(time.Second)
-
-	done := f.event(
-		t, contentTypeJSON, strings.Repeat("x", 2048), receivedAt,
-	)
-	f.attempt(
-		t,
-		f.delivery(t, done, logTarget.ID, database.DeliveryStatusDelivered),
-		0, 1500*time.Millisecond,
-	)
-
-	waiting := f.event(t, "text/plain", "{}", receivedAt)
-	f.delivery(t, waiting, logTarget.ID, database.DeliveryStatusPending)
-
-	body := f.render(t)
-
-	assert.Contains(
-		t, body,
-		`<span title="`+receivedAt.Format(time.DateTime)+
-			` UTC">3 minutes ago</span>`,
-	)
-	assert.Contains(t, body, `<span title="Body size">2.0 kB</span>`)
-	assert.Contains(t, body, ">1.5s</span>")
-	assert.Contains(t, body, ">in progress</span>")
-}
-
-// TestHandleSourceDetail_StatusWithSingleHTTPTarget proves that a
-// webhook with exactly one HTTP target shows, colour-coded, what
-// that target answered for each event. The log target beside it
-// does not count against "exactly one".
-func TestHandleSourceDetail_StatusWithSingleHTTPTarget(t *testing.T) {
-	t.Parallel()
-
-	f := newRecentEventsFixture(t)
-	target := seedTarget(t, f.db, f.webhook.ID, database.TargetTypeHTTP)
-	seedTarget(t, f.db, f.webhook.ID, database.TargetTypeLog)
-
-	now := time.Now()
-
-	for _, code := range []int{204, 302, 404, 503, 0} {
-		dlv := f.delivery(
-			t, f.event(t, contentTypeJSON, "{}", now), target.ID,
-			database.DeliveryStatusDelivered,
-		)
-		f.attempt(t, dlv, code, time.Second)
-	}
-
-	f.delivery(
-		t, f.event(t, contentTypeJSON, "{}", now), target.ID,
-		database.DeliveryStatusPending,
-	)
-	f.event(t, contentTypeJSON, "{}", now)
-
-	// A replay is a newer delivery, and its answer is the one shown.
-	replayed := f.event(t, contentTypeJSON, "{}", now)
-	f.attempt(t, f.delivery(
-		t, replayed, target.ID, database.DeliveryStatusFailed,
-	), 502, time.Second)
-	f.attempt(t, f.deliveryQueuedAt(
-		t, replayed, target.ID, database.DeliveryStatusDelivered,
-		now.Add(time.Minute),
-	), 200, time.Second)
-
-	body := f.render(t)
-
-	assert.Contains(t, body, statusCell("text-green-600", "204"))
-	assert.Contains(t, body, statusCell("text-gray-500", "302"))
-	assert.Contains(t, body, statusCell("text-yellow-600", "404"))
-	assert.Contains(t, body, statusCell("text-red-600", "503"))
-	assert.Contains(t, body, statusCell("text-red-600", "no response"))
-	assert.Contains(t, body, statusCell("text-gray-400", "pending"))
-	assert.Contains(t, body, statusCell("text-gray-400", "not sent"))
-	assert.Contains(t, body, statusCell("text-green-600", "200"))
-	assert.NotContains(t, body, ">502<")
-}
-
-// TestHandleSourceDetail_NoStatusWithoutSingleHTTPTarget proves the
-// status column is absent when the webhook has no HTTP target or
-// more than one.
-func TestHandleSourceDetail_NoStatusWithoutSingleHTTPTarget(
-	t *testing.T,
-) {
-	t.Parallel()
-
-	cases := map[string][]database.TargetType{
-		"none":    {database.TargetTypeLog},
-		"several": {database.TargetTypeHTTP, database.TargetTypeHTTP},
-	}
-
-	for name, types := range cases {
-		t.Run(name, func(t *testing.T) {
-			t.Parallel()
-
-			f := newRecentEventsFixture(t)
-			event := f.event(t, contentTypeJSON, "{}", time.Now())
-
-			for _, tt := range types {
-				target := seedTarget(t, f.db, f.webhook.ID, tt)
-				f.attempt(t, f.delivery(
-					t, event, target.ID,
-					database.DeliveryStatusDelivered,
-				), 200, time.Second)
-			}
-
-			body := f.render(t)
-
-			assert.Contains(t, body, `title="Body size"`)
-			assert.NotContains(t, body, statusTitle)
-		})
-	}
-}
-
-// TestHandleWebhook_RecordsBodySize proves the receiver records the
-// body's size in bytes, not characters, with the event it stores.
-func TestHandleWebhook_RecordsBodySize(t *testing.T) {
-	t.Parallel()
-
-	f := newRecentEventsFixture(t)
-	seedEntrypoint(t, f.db, f.webhook.ID)
-
-	// Two bytes per character.
-	body := strings.Repeat("é", 1024)
-
-	req := httptest.NewRequestWithContext(
-		context.Background(), http.MethodPost, "/h/x",
-		strings.NewReader(body),
-	)
-
-	rctx := chi.NewRouteContext()
-	rctx.URLParams.Add("uuid", "ep-"+f.webhook.ID)
-
-	req = req.WithContext(context.WithValue(
-		req.Context(), chi.RouteCtxKey, rctx,
-	))
-
-	w := httptest.NewRecorder()
-	f.h.HandleWebhook().ServeHTTP(w, req)
-
-	require.Equal(t, http.StatusOK, w.Code)
-
-	var stored database.Event
-
-	require.NoError(t, f.webhookDB.First(&stored).Error)
-	assert.Equal(t, int64(2048), stored.BodyBytes)
-}
-
-// TestHandleSourceDetail_FailedLoadIsAnError proves that when the
-// list cannot be loaded the page answers with an error, rather than
-// an empty list claiming the webhook has no events.
-func TestHandleSourceDetail_FailedLoadIsAnError(t *testing.T) {
-	t.Parallel()
-
-	f := newRecentEventsFixture(t)
-	target := seedTarget(t, f.db, f.webhook.ID, database.TargetTypeHTTP)
-
-	f.attempt(t, f.delivery(
-		t, f.event(t, contentTypeJSON, "{}", time.Now()), target.ID,
-		database.DeliveryStatusDelivered,
-	), 200, time.Second)
-
-	// The attempts are the list's last query, so its events and
-	// deliveries have already loaded when it fails.
-	require.NoError(t, f.webhookDB.Exec(
-		"DROP TABLE delivery_results",
-	).Error)
-
-	w := serveSourceDetailPage(t, f.h, f.sess, f.webhook.ID)
-
-	assert.Equal(t, http.StatusInternalServerError, w.Code)
-	assert.NotContains(t, w.Body.String(), "No events received yet.")
-}

internal/handlers/settings.go

@@ -1,128 +0,0 @@
-package handlers
-
-import (
-	"net/http"
-	"net/netip"
-	"strconv"
-	"strings"
-
-	"sneak.berlin/go/webhooker/internal/config"
-)
-
-// notSet is what the Settings page shows for a value that is empty.
-const notSet = "not set"
-
-// settingRow is one line of the Settings page: an environment
-// variable, what it controls, and the value the server loaded for it.
-type settingRow struct {
-	Name        string
-	Description string
-	Value       string
-}
-
-// HandleSettings returns a handler for the read-only Settings page,
-// which lists the configuration the server started with.
-func (h *Handlers) HandleSettings() http.HandlerFunc {
-	return func(w http.ResponseWriter, r *http.Request) {
-		h.renderTemplate(w, r, "settings.html", map[string]any{
-			"Settings": settingRows(h.params.Config),
-		})
-	}
-}
-
-// settingRows lists every field of cfg under the environment variable
-// it is read from, with the description the README's configuration
-// table gives it (less its pointers to other README sections), in the
-// table's order. METRICS_PASSWORD and SENTRY_DSN are credentials, so
-// their values never reach the page: only whether they are set.
-func settingRows(cfg *config.Config) []settingRow {
-	metricsUsername := cfg.MetricsUsername
-	if metricsUsername == "" {
-		metricsUsername = notSet
-	}
-
-	return []settingRow{
-		{"WEBHOOKER_ENVIRONMENT", "dev or prod", cfg.Environment},
-		{"PORT", "HTTP listen port", strconv.Itoa(cfg.Port)},
-		{
-			"BIND_ADDRESS",
-			"IP address the HTTP listener binds. Loopback by default, " +
-				"so the cleartext listener is not published on every " +
-				"interface. The Docker image ships 0.0.0.0 instead",
-			cfg.BindAddress,
-		},
-		{"DATA_DIR", "Directory for all SQLite databases", cfg.DataDir},
-		{"DEBUG", "Enable debug logging", strconv.FormatBool(cfg.Debug)},
-		{
-			"METRICS_USERNAME",
-			"Basic auth username for /metrics. Must be set together " +
-				"with METRICS_PASSWORD; one without the other fails " +
-				"startup",
-			metricsUsername,
-		},
-		{
-			"METRICS_PASSWORD",
-			"Basic auth password for /metrics. Must be set together " +
-				"with METRICS_USERNAME; one without the other fails " +
-				"startup",
-			setOrNotSet(cfg.MetricsPassword),
-		},
-		{
-			"SENTRY_DSN",
-			"Sentry error reporting DSN. Unset leaves error reporting " +
-				"off; a value the Sentry SDK cannot parse fails startup " +
-				"rather than serving with reporting silently off",
-			setOrNotSet(cfg.SentryDSN),
-		},
-		{
-			"RETENTION_SWEEP_INTERVAL",
-			"How often the retention reaper and archive sweeper run " +
-				"(Go duration, must be positive)",
-			cfg.RetentionSweepInterval.String(),
-		},
-		{
-			"SESSION_IDLE_TIMEOUT",
-			"Idle session timeout (Go duration)",
-			cfg.SessionIdleTimeout.String(),
-		},
-		{
-			"RECEIVER_RATE_LIMIT",
-			"Receiver requests/minute per IP per entrypoint " +
-				"(10x that per IP across the route)",
-			strconv.Itoa(cfg.ReceiverRateLimit),
-		},
-		{
-			"TRUSTED_PROXIES",
-			"CIDRs whose forwarded headers are trusted. A set value " +
-				"replaces the default. If any client can reach webhooker, " +
-				"or the proxy in front of it, from an RFC 1918 source " +
-				"address, set it to the proxy's address alone",
-			cidrList(cfg.TrustedProxies),
-		},
-		{
-			"ALLOWED_EGRESS_CIDRS",
-			"CIDRs that delivery targets may reach despite the " +
-				"SSRF blocklist",
-			cidrList(cfg.AllowedEgressCIDRs),
-		},
-	}
-}
-
-// setOrNotSet is how the Settings page shows a credential: whether it
-// has a value, never the value itself.
-func setOrNotSet(value string) string {
-	if value == "" {
-		return notSet
-	}
-
-	return "set"
-}
-
-// cidrList renders a CIDR list setting for the Settings page.
-func cidrList(prefixes []netip.Prefix) string {
-	if len(prefixes) == 0 {
-		return "none"
-	}
-
-	return strings.Join(config.PrefixStrings(prefixes), ", ")
-}

internal/handlers/settings_test.go

@@ -1,148 +0,0 @@
-package handlers_test
-
-import (
-	"context"
-	"html"
-	"net/http"
-	"net/http/httptest"
-	"net/netip"
-	"regexp"
-	"testing"
-	"time"
-
-	"github.com/stretchr/testify/assert"
-	"github.com/stretchr/testify/require"
-	"sneak.berlin/go/webhooker/internal/config"
-	"sneak.berlin/go/webhooker/internal/handlers"
-	"sneak.berlin/go/webhooker/internal/session"
-)
-
-// settingsShown renders the Settings page over cfg as a logged-in user
-// and returns the value it shows for each variable name, plus the
-// whole page.
-func settingsShown(
-	t *testing.T, cfg *config.Config,
-) (map[string]string, string) {
-	t.Helper()
-
-	var h *handlers.Handlers
-
-	var sess *session.Session
-
-	app := newTestAppWithConfig(t, cfg, &h, &sess)
-	app.RequireStart()
-
-	t.Cleanup(app.RequireStop)
-
-	req := httptest.NewRequestWithContext(
-		context.Background(), http.MethodGet, "/settings", nil,
-	)
-	for _, c := range authenticatedCookies(t, sess, "id", "admin") {
-		req.AddCookie(c)
-	}
-
-	w := httptest.NewRecorder()
-	h.HandleSettings().ServeHTTP(w, req)
-	require.Equal(t, http.StatusOK, w.Code)
-
-	body := w.Body.String()
-
-	row := regexp.MustCompile(
-		`<code[^>]*>([A-Z_]+)</code>\s*<code[^>]*>([^<]*)</code>`,
-	)
-
-	shown := map[string]string{}
-	for _, match := range row.FindAllStringSubmatch(body, -1) {
-		shown[match[1]] = html.UnescapeString(match[2])
-	}
-
-	return shown, body
-}
-
-func TestSettingsPageShowsLoadedConfiguration(t *testing.T) {
-	t.Parallel()
-
-	// Each of METRICS_USERNAME, METRICS_PASSWORD and SENTRY_DSN is the
-	// only one of the three set in one of the content tests, so each
-	// row is checked against its own field.
-	cfg := &config.Config{
-		DataDir:                t.TempDir(),
-		Debug:                  true,
-		Environment:            config.EnvironmentDev,
-		MetricsUsername:        "scraper",
-		MetricsPassword:        "",
-		Port:                   9123,
-		SentryDSN:              "",
-		BindAddress:            "192.0.2.10",
-		RetentionSweepInterval: 17 * time.Minute,
-		SessionIdleTimeout:     3 * time.Hour,
-		ReceiverRateLimit:      77,
-		TrustedProxies: []netip.Prefix{
-			netip.MustParsePrefix("10.1.0.0/16"),
-		},
-		AllowedEgressCIDRs: []netip.Prefix{
-			netip.MustParsePrefix("192.168.5.0/24"),
-			netip.MustParsePrefix("fd00::/8"),
-		},
-	}
-
-	shown, body := settingsShown(t, cfg)
-
-	assert.Equal(t, map[string]string{
-		"WEBHOOKER_ENVIRONMENT":    "dev",
-		"PORT":                     "9123",
-		"BIND_ADDRESS":             "192.0.2.10",
-		"DATA_DIR":                 cfg.DataDir,
-		"DEBUG":                    "true",
-		"METRICS_USERNAME":         "scraper",
-		"METRICS_PASSWORD":         "not set",
-		"SENTRY_DSN":               "not set",
-		"RETENTION_SWEEP_INTERVAL": "17m0s",
-		"SESSION_IDLE_TIMEOUT":     "3h0m0s",
-		"RECEIVER_RATE_LIMIT":      "77",
-		"TRUSTED_PROXIES":          "10.1.0.0/16",
-		"ALLOWED_EGRESS_CIDRS":     "192.168.5.0/24, fd00::/8",
-	}, shown)
-
-	assert.Contains(
-		t, body, `href="/settings"`,
-		"the navigation bar links to the page",
-	)
-}
-
-func TestSettingsPageShowsUnsetValues(t *testing.T) {
-	t.Parallel()
-
-	const metricsPassword = "metrics-password-1f9a"
-
-	shown, body := settingsShown(t, &config.Config{
-		DataDir:         t.TempDir(),
-		MetricsPassword: metricsPassword,
-	})
-
-	assert.Equal(t, "not set", shown["METRICS_USERNAME"])
-	assert.Equal(t, "set", shown["METRICS_PASSWORD"])
-	assert.Equal(t, "not set", shown["SENTRY_DSN"])
-	assert.NotContains(t, body, metricsPassword)
-	assert.Equal(t, "none", shown["TRUSTED_PROXIES"])
-	assert.Equal(t, "none", shown["ALLOWED_EGRESS_CIDRS"])
-}
-
-func TestSettingsPageShowsSentryDSNOnlyAsSet(t *testing.T) {
-	t.Parallel()
-
-	const (
-		sentryKey = "dsnkey7c2e"
-		sentryDSN = "https://" + sentryKey + "@errors.example.com/42"
-	)
-
-	shown, body := settingsShown(t, &config.Config{
-		DataDir:   t.TempDir(),
-		SentryDSN: sentryDSN,
-	})
-
-	assert.Equal(t, "not set", shown["METRICS_USERNAME"])
-	assert.Equal(t, "not set", shown["METRICS_PASSWORD"])
-	assert.Equal(t, "set", shown["SENTRY_DSN"])
-	assert.NotContains(t, body, sentryKey)
-}

internal/handlers/source_delete_test.go

@@ -15,7 +15,6 @@ import (
 	"gorm.io/gorm"
 	"gorm.io/gorm/clause"
 	"sneak.berlin/go/webhooker/internal/database"
-	"sneak.berlin/go/webhooker/internal/delivery"
 	"sneak.berlin/go/webhooker/internal/handlers"
 	"sneak.berlin/go/webhooker/internal/session"
 )
@@ -80,10 +79,6 @@ func seedTarget(
 // from a delete statement.
 var errInjectedDelete = errors.New("injected delete failure")
 
-// errInjectedSave is the failure failSaveOnTable reports from a
-// save of an existing row.
-var errInjectedSave = errors.New("injected save failure")
-
 // seedEntrypoint inserts an entrypoint for a webhook.
 func seedEntrypoint(
 	t *testing.T,
@@ -151,42 +146,19 @@ func failDeleteOnTable(
 	)
 }
 
-// failSaveOnTable is failDeleteOnTable for saves: every update of
-// an existing row in the named table fails.
-func failSaveOnTable(
-	t *testing.T,
-	db *database.Database,
-	table string,
-) {
-	t.Helper()
-
-	require.NoError(t, db.DB().Callback().Update().
-		Before("gorm:update").
-		Register(
-			"test:fail_save_"+table,
-			func(tx *gorm.DB) {
-				if tx.Statement.Table == table {
-					_ = tx.AddError(errInjectedSave)
-				}
-			},
-		),
-	)
-}
-
 // archivePathFor returns the archive database path the
-// delivery engine would use for a database target: beside the
+// delivery engine would use for a webhook: beside the webhook's
-// webhook's event database in the data directory.
+// event database in the data directory.
 func archivePathFor(
 	t *testing.T,
 	mgr *database.WebhookDBManager,
-	wh *database.Webhook,
+	webhookID string,
-	tgt *database.Target,
 ) string {
 	t.Helper()
 
 	return filepath.Join(
-		filepath.Dir(mgr.DBPath(wh.ID)),
+		filepath.Dir(mgr.DBPath(webhookID)),
-		delivery.ArchiveFileName(wh.Name, tgt.Name, tgt.ID),
+		"archive-"+webhookID+".db",
 	)
 }
 
@@ -223,8 +195,8 @@ func postRequest(
 
 // TestHandleSourceDelete_EvictsArchiveWriter proves that
 // deleting a webhook reaches the delivery engine and releases
-// the webhook's archive writers, exercised through the real
+// the webhook's archive writer, exercised through the real
-// deletion handler rather than by calling the engine directly.
+// deletion handler rather than by calling the evictor directly.
 func TestHandleSourceDelete_EvictsArchiveWriter(t *testing.T) {
 	t.Parallel()
 
@@ -232,7 +204,7 @@ func TestHandleSourceDelete_EvictsArchiveWriter(t *testing.T) {
 		h    *handlers.Handlers
 		sess *session.Session
 		db   *database.Database
-		ev   *recordingArchives
+		ev   *recordingEvictor
 	)
 
 	app := newTestApp(t, &h, &sess, &db, &ev)
@@ -282,10 +254,9 @@ func TestHandleSourceDelete_KeepsArchiveFile(t *testing.T) {
 	t.Cleanup(app.RequireStop)
 
 	wh := seedWebhook(t, db)
-	tgt := seedTarget(t, db, wh.ID, database.TargetTypeDatabase)
 
 	// Place an archive file where the delivery engine would.
-	archivePath := archivePathFor(t, mgr, wh, tgt)
+	archivePath := archivePathFor(t, mgr, wh.ID)
 	require.NoError(
 		t,
 		writeArchivePlaceholder(archivePath),
@@ -440,9 +411,7 @@ func TestHandleSourceDelete_RemovesConfigAndEventDatabase(
 	h.HandleSourceDelete().ServeHTTP(w, req)
 
 	require.Equal(t, http.StatusSeeOther, w.Code)
-	assert.Equal(
+	assert.Equal(t, "/hooks", w.Header().Get("Location"))
-		t, "/hooks?notice=webhook-deleted", w.Header().Get("Location"),
-	)
 
 	assert.Equal(
 		t, int64(0),
@@ -466,17 +435,68 @@ func TestHandleSourceDelete_RemovesConfigAndEventDatabase(
 	)
 }
 
-// TestHandleTargetDelete_EvictsThatTarget proves that deleting a
+// TestHandleTargetDelete_EvictsWhenLastDatabaseTargetGone
-// database target releases that target's archive writer and no
+// proves that removing the last database target releases the
-// other: the webhook's other database target keeps its own.
+// archive writer.
-func TestHandleTargetDelete_EvictsThatTarget(t *testing.T) {
+func TestHandleTargetDelete_EvictsWhenLastDatabaseTargetGone(
+	t *testing.T,
+) {
 	t.Parallel()
 
 	var (
 		h    *handlers.Handlers
 		sess *session.Session
 		db   *database.Database
-		ev   *recordingArchives
+		ev   *recordingEvictor
+	)
+
+	app := newTestApp(t, &h, &sess, &db, &ev)
+	app.RequireStart()
+
+	t.Cleanup(app.RequireStop)
+
+	wh := seedWebhook(t, db)
+	tgt := seedTarget(
+		t, db, wh.ID, database.TargetTypeDatabase,
+	)
+
+	cookies := authenticatedCookies(
+		t, sess, deleteTestUserID, deleteTestUsername,
+	)
+
+	req := postRequest(
+		"/hook/"+wh.ID+"/targets/"+tgt.ID+"/delete",
+		cookies,
+		map[string]string{
+			paramSourceID: wh.ID,
+			paramTargetID: tgt.ID,
+		},
+	)
+	w := httptest.NewRecorder()
+
+	h.HandleTargetDelete().ServeHTTP(w, req)
+
+	require.Equal(t, http.StatusSeeOther, w.Code)
+	assert.Equal(
+		t, []string{wh.ID}, ev.Evicted(),
+		"removing the last database target should evict",
+	)
+}
+
+// TestHandleTargetDelete_KeepsWriterWhenDatabaseTargetRemains
+// proves that deleting one of several database targets leaves
+// the still-needed archive writer alone: the surviving target
+// keeps archiving to the same file, so the writer must stay.
+func TestHandleTargetDelete_KeepsWriterWhenDatabaseTargetRemains(
+	t *testing.T,
+) {
+	t.Parallel()
+
+	var (
+		h    *handlers.Handlers
+		sess *session.Session
+		db   *database.Database
+		ev   *recordingEvictor
 	)
 
 	app := newTestApp(t, &h, &sess, &db, &ev)
@@ -507,17 +527,17 @@ func TestHandleTargetDelete_EvictsThatTarget(t *testing.T) {
 	h.HandleTargetDelete().ServeHTTP(w, req)
 
 	require.Equal(t, http.StatusSeeOther, w.Code)
-	assert.Equal(
+	assert.Empty(
-		t, []string{doomed.ID}, ev.EvictedTargets(),
+		t, ev.Evicted(),
-		"deleting a database target should evict its writer",
+		"a second database target still needs the writer",
 	)
-	assert.Empty(t, ev.Evicted(), "the webhook is not deleted")
 }
 
-// TestHandleTargetDelete_IgnoresAnotherWebhooksTarget proves that
+// TestHandleTargetDelete_KeepsWriterWhenOtherTypeDeleted proves
-// a target id from the URL that is not a target of the webhook
+// that deleting a target of an unrelated type leaves a
-// deletes nothing and so evicts nothing.
+// still-needed archive writer alone: the webhook's database
-func TestHandleTargetDelete_IgnoresAnotherWebhooksTarget(
+// target is untouched, so its writer must stay.
+func TestHandleTargetDelete_KeepsWriterWhenOtherTypeDeleted(
 	t *testing.T,
 ) {
 	t.Parallel()
@@ -526,7 +546,7 @@ func TestHandleTargetDelete_IgnoresAnotherWebhooksTarget(
 		h    *handlers.Handlers
 		sess *session.Session
 		db   *database.Database
-		ev   *recordingArchives
+		ev   *recordingEvictor
 	)
 
 	app := newTestApp(t, &h, &sess, &db, &ev)
@@ -535,20 +555,19 @@ func TestHandleTargetDelete_IgnoresAnotherWebhooksTarget(
 	t.Cleanup(app.RequireStop)
 
 	wh := seedWebhook(t, db)
-	elsewhere := seedTarget(
+	seedTarget(t, db, wh.ID, database.TargetTypeDatabase)
-		t, db, seedWebhook(t, db).ID, database.TargetTypeDatabase,
+	other := seedTarget(t, db, wh.ID, database.TargetTypeLog)
-	)
 
 	cookies := authenticatedCookies(
 		t, sess, deleteTestUserID, deleteTestUsername,
 	)
 
 	req := postRequest(
-		"/hook/"+wh.ID+"/targets/"+elsewhere.ID+"/delete",
+		"/hook/"+wh.ID+"/targets/"+other.ID+"/delete",
 		cookies,
 		map[string]string{
 			paramSourceID: wh.ID,
-			paramTargetID: elsewhere.ID,
+			paramTargetID: other.ID,
 		},
 	)
 	w := httptest.NewRecorder()
@@ -557,7 +576,7 @@ func TestHandleTargetDelete_IgnoresAnotherWebhooksTarget(
 
 	require.Equal(t, http.StatusSeeOther, w.Code)
 	assert.Empty(
-		t, ev.EvictedTargets(),
+		t, ev.Evicted(),
-		"another webhook's target must not be evicted",
+		"a surviving database target must keep its writer",
 	)
 }

internal/handlers/source_detail_test.go

@@ -62,23 +62,6 @@ func renderSourceDetailPage(
 ) string {
 	t.Helper()
 
-	w := serveSourceDetailPage(t, h, sess, webhookID)
-
-	require.Equal(t, http.StatusOK, w.Code)
-
-	return w.Body.String()
-}
-
-// serveSourceDetailPage runs the real source detail handler for a
-// webhook and returns its response, whatever its status.
-func serveSourceDetailPage(
-	t *testing.T,
-	h *handlers.Handlers,
-	sess *session.Session,
-	webhookID string,
-) *httptest.ResponseRecorder {
-	t.Helper()
-
 	req := httptest.NewRequestWithContext(
 		context.Background(),
 		http.MethodGet,
@@ -104,7 +87,9 @@ func serveSourceDetailPage(
 	w := httptest.NewRecorder()
 	h.HandleSourceDetail().ServeHTTP(w, req)
 
-	return w
+	require.Equal(t, http.StatusOK, w.Code)
+
+	return w.Body.String()
 }
 
 // TestHandleSourceDetail_MasksSlackWebhookURL is the
@@ -241,37 +226,3 @@ func TestHandleSourceDetail_RendersNamedTargetFields(
 	assert.Contains(t, body, "(unavailable)")
 	assert.NotContains(t, body, "beak")
 }
-
-// TestHandleSourceDetail_FitsWideAndNarrowWindows pins the webhook
-// page's maximum width at 108rem (1728 px), half again the 72rem of
-// max-w-6xl that the webhook list and the event log use, so an
-// entrypoint URL fits on one line in a 1920-pixel window; and the
-// wrapping of its title row, so the buttons beside the title do not
-// push a phone-width window into scrolling sideways.
-func TestHandleSourceDetail_FitsWideAndNarrowWindows(t *testing.T) {
-	t.Parallel()
-
-	var (
-		h    *handlers.Handlers
-		sess *session.Session
-		db   *database.Database
-	)
-
-	app := newTestApp(t, &h, &sess, &db)
-	app.RequireStart()
-
-	t.Cleanup(app.RequireStop)
-
-	wh := seedWebhook(t, db)
-
-	body := renderSourceDetailPage(t, h, sess, wh.ID)
-
-	assert.Contains(
-		t, body,
-		`<div class="mx-auto px-6 py-8" style="max-width: 108rem"`,
-	)
-	assert.Contains(
-		t, body,
-		`<div class="flex flex-wrap justify-between items-center gap-2 mt-2">`,
-	)
-}

internal/handlers/source_list_test.go

@@ -1,467 +0,0 @@
-package handlers_test
-
-import (
-	"net/http"
-	"net/http/httptest"
-	"regexp"
-	"strings"
-	"testing"
-	"time"
-
-	"github.com/stretchr/testify/assert"
-	"github.com/stretchr/testify/require"
-	"gorm.io/gorm"
-	"gorm.io/gorm/clause"
-	"sneak.berlin/go/webhooker/internal/database"
-	"sneak.berlin/go/webhooker/internal/handlers"
-	"sneak.berlin/go/webhooker/internal/logger"
-	"sneak.berlin/go/webhooker/internal/session"
-)
-
-// failedHighlight is how the list marks a number of failed deliveries
-// that is not zero.
-const failedHighlight = `class="font-medium text-red-600"`
-
-// listWebhook adds a webhook with the given name, owned by the test
-// user.
-func listWebhook(
-	t *testing.T, db *database.Database, name string,
-) *database.Webhook {
-	t.Helper()
-
-	wh := &database.Webhook{UserID: deleteTestUserID, Name: name}
-	require.NoError(t, db.DB().Omit(clause.Associations).Create(wh).Error)
-
-	return wh
-}
-
-// addEntrypoints adds the given number of entrypoints, all active or
-// all inactive, to a webhook and returns their paths.
-func addEntrypoints(
-	t *testing.T, db *database.Database, webhookID string,
-	count int, active bool,
-) []string {
-	t.Helper()
-
-	paths := make([]string, count)
-	for i := range paths {
-		paths[i] = statsEntrypoint(t, db, webhookID, active)
-	}
-
-	return paths
-}
-
-// addTargets adds the given number of targets, all active or all
-// inactive, to a webhook and returns them.
-func addTargets(
-	t *testing.T, db *database.Database, webhookID string,
-	count int, active bool,
-) []*database.Target {
-	t.Helper()
-
-	targets := make([]*database.Target, count)
-	for i := range targets {
-		targets[i] = seedTarget(t, db, webhookID, database.TargetTypeLog)
-		require.NoError(t, db.DB().Model(targets[i]).
-			Update("active", active).Error)
-	}
-
-	return targets
-}
-
-// renderWebhookList runs the real webhook list handler as the test user
-// and returns the rendered page.
-func renderWebhookList(
-	t *testing.T, h *handlers.Handlers, sess *session.Session,
-) string {
-	t.Helper()
-
-	cookies := authenticatedCookies(
-		t, sess, deleteTestUserID, deleteTestUsername,
-	)
-
-	w := httptest.NewRecorder()
-	h.HandleSourceList().ServeHTTP(
-		w, getRequest(t, "/hooks", cookies, nil),
-	)
-	require.Equal(t, http.StatusOK, w.Code)
-
-	return w.Body.String()
-}
-
-// listCard returns one webhook's entry in a rendered webhook list, its
-// markup as rendered and its text with the markup taken out and each
-// run of space made one space.
-func listCard(t *testing.T, page, webhookID string) (string, string) {
-	t.Helper()
-
-	_, card, found := strings.Cut(page, `href="/hook/`+webhookID+`"`)
-	require.True(t, found, "the list has no entry for %s", webhookID)
-
-	card, _, _ = strings.Cut(card, "</a>")
-	text := regexp.MustCompile(`<[^>]*>`).ReplaceAllString(card, " ")
-
-	return card, strings.Join(strings.Fields(text), " ")
-}
-
-// receiveEvents posts the given number of events to an entrypoint
-// through the real receiver, and returns the webhook's event database
-// and its events, oldest first.
-func receiveEvents(
-	t *testing.T,
-	h *handlers.Handlers,
-	dbMgr *database.WebhookDBManager,
-	webhookID, path string,
-	count int,
-) (*gorm.DB, []database.Event) {
-	t.Helper()
-
-	router := receiverRouter(h)
-
-	for range count {
-		require.Equal(t, http.StatusOK, postReceiver(t, router, path))
-	}
-
-	webhookDB, err := dbMgr.GetDB(webhookID)
-	require.NoError(t, err)
-
-	events := listEvents(t, webhookDB)
-	require.Len(t, events, count)
-
-	return webhookDB, events
-}
-
-// seedFailingWebhook adds a webhook with six entrypoints, two of them
-// inactive, and seven targets, five of them inactive. Four events reach
-// its two active targets, arriving 31, 5, 4 and 3 hours ago, and its
-// event totals row records the last one. Three deliveries failed in the
-// last 24 hours, two to the first target and one to the second, one
-// failed 30 hours ago, two were delivered, and two are still pending.
-// It returns the webhook and when its last event arrived.
-func seedFailingWebhook(
-	t *testing.T,
-	h *handlers.Handlers,
-	db *database.Database,
-	dbMgr *database.WebhookDBManager,
-) (*database.Webhook, time.Time) {
-	t.Helper()
-
-	wh := listWebhook(t, db, "failing")
-	paths := addEntrypoints(t, db, wh.ID, 4, true)
-	addEntrypoints(t, db, wh.ID, 2, false)
-
-	active := addTargets(t, db, wh.ID, 2, true)
-	first, second := active[0], active[1]
-
-	addTargets(t, db, wh.ID, 5, false)
-
-	webhookDB, events := receiveEvents(t, h, dbMgr, wh.ID, paths[0], 4)
-	now := time.Now()
-	lastEventAt := now.Add(-3 * time.Hour)
-
-	statsAge(t, webhookDB, events[0].ID, now.Add(-31*time.Hour))
-	statsAge(t, webhookDB, events[1].ID, now.Add(-5*time.Hour))
-	statsAge(t, webhookDB, events[2].ID, now.Add(-4*time.Hour))
-	statsAge(t, webhookDB, events[3].ID, lastEventAt)
-	require.NoError(t, database.AddEventTotals(webhookDB,
-		database.EventTotals{LastEventAt: &lastEventAt}))
-
-	statsFinish(t, webhookDB,
-		statsDelivery(t, webhookDB, events[0].ID, first.ID),
-		database.DeliveryStatusFailed, now.Add(-30*time.Hour))
-	statsFinish(t, webhookDB,
-		statsDelivery(t, webhookDB, events[0].ID, second.ID),
-		database.DeliveryStatusDelivered, now.Add(-30*time.Hour))
-	statsFinish(t, webhookDB,
-		statsDelivery(t, webhookDB, events[1].ID, first.ID),
-		database.DeliveryStatusFailed, now.Add(-time.Hour))
-	statsFinish(t, webhookDB,
-		statsDelivery(t, webhookDB, events[2].ID, first.ID),
-		database.DeliveryStatusFailed, now.Add(-time.Minute))
-	statsFinish(t, webhookDB,
-		statsDelivery(t, webhookDB, events[2].ID, second.ID),
-		database.DeliveryStatusFailed, now.Add(-time.Minute))
-	statsFinish(t, webhookDB,
-		statsDelivery(t, webhookDB, events[3].ID, second.ID),
-		database.DeliveryStatusDelivered, now.Add(-time.Minute))
-
-	return wh, lastEventAt
-}
-
-// seedHealthyWebhook adds a webhook with four entrypoints and two
-// targets, all active, and three events, arriving 8, 7 and 6 hours ago
-// and each delivered to both targets. Its event totals row records the
-// last event. It returns the webhook and when its last event arrived.
-func seedHealthyWebhook(
-	t *testing.T,
-	h *handlers.Handlers,
-	db *database.Database,
-	dbMgr *database.WebhookDBManager,
-) (*database.Webhook, time.Time) {
-	t.Helper()
-
-	wh := listWebhook(t, db, "healthy")
-	paths := addEntrypoints(t, db, wh.ID, 4, true)
-	targets := addTargets(t, db, wh.ID, 2, true)
-
-	webhookDB, events := receiveEvents(t, h, dbMgr, wh.ID, paths[0], 3)
-	now := time.Now()
-	lastEventAt := now.Add(-6 * time.Hour)
-
-	statsAge(t, webhookDB, events[0].ID, now.Add(-8*time.Hour))
-	statsAge(t, webhookDB, events[1].ID, now.Add(-7*time.Hour))
-	statsAge(t, webhookDB, events[2].ID, lastEventAt)
-	require.NoError(t, database.AddEventTotals(webhookDB,
-		database.EventTotals{LastEventAt: &lastEventAt}))
-
-	for _, ev := range events {
-		for _, target := range targets {
-			statsFinish(t, webhookDB,
-				statsDelivery(t, webhookDB, ev.ID, target.ID),
-				database.DeliveryStatusDelivered, now)
-		}
-	}
-
-	return wh, lastEventAt
-}
-
-// lastEventText is how the list shows when the last event arrived.
-func lastEventText(at time.Time) string {
-	return at.UTC().Format("2006-01-02 15:04:05 UTC")
-}
-
-// TestSourceList_ShowsActivityOfEachWebhook checks the figures the list
-// shows for a webhook with recent failures, a healthy one, a new one
-// that has received no event, and one without an event database.
-func TestSourceList_ShowsActivityOfEachWebhook(t *testing.T) {
-	t.Parallel()
-
-	var (
-		h     *handlers.Handlers
-		sess  *session.Session
-		db    *database.Database
-		dbMgr *database.WebhookDBManager
-	)
-
-	app := newTestApp(t, &h, &sess, &db, &dbMgr)
-	app.RequireStart()
-
-	t.Cleanup(app.RequireStop)
-
-	failing, failingLastEvent := seedFailingWebhook(t, h, db, dbMgr)
-	healthy, healthyLastEvent := seedHealthyWebhook(t, h, db, dbMgr)
-
-	// Creating a webhook creates its event database.
-	fresh := listWebhook(t, db, "fresh")
-	require.NoError(t, dbMgr.CreateDB(fresh.ID))
-	addEntrypoints(t, db, fresh.ID, 2, true)
-	addTargets(t, db, fresh.ID, 3, true)
-
-	quiet := listWebhook(t, db, "quiet")
-	addEntrypoints(t, db, quiet.ID, 2, true)
-	addTargets(t, db, quiet.ID, 3, true)
-
-	page := renderWebhookList(t, h, sess)
-
-	card, text := listCard(t, page, failing.ID)
-	assert.Contains(t, text, "6 entrypoints, 2 inactive")
-	assert.Contains(t, text, "7 targets, 5 inactive")
-	assert.Contains(t, text, "4 events within retention")
-	assert.Contains(t, text, "Last event "+lastEventText(failingLastEvent))
-	assert.Contains(t, card,
-		failedHighlight+">3 failed deliveries in the last 24 hours<")
-
-	card, text = listCard(t, page, healthy.ID)
-	assert.Contains(t, text, "4 entrypoints")
-	assert.Contains(t, text, "2 targets")
-	assert.Contains(t, text, "3 events within retention")
-	assert.Contains(t, text, "Last event "+lastEventText(healthyLastEvent))
-	assert.Contains(t, text, "0 failed deliveries in the last 24 hours")
-	assert.NotContains(t, text, "inactive")
-	assert.NotContains(t, card, failedHighlight)
-
-	card, text = listCard(t, page, fresh.ID)
-	assert.Contains(t, text, "2 entrypoints")
-	assert.Contains(t, text, "3 targets")
-	assert.Contains(t, text, "0 events within retention")
-	assert.Contains(t, text, "No events yet")
-	assert.Contains(t, text, "0 failed deliveries in the last 24 hours")
-	assert.NotContains(t, card, failedHighlight)
-
-	card, text = listCard(t, page, quiet.ID)
-	assert.Contains(t, text, "2 entrypoints")
-	assert.Contains(t, text, "3 targets")
-	assert.Contains(t, text, "0 events within retention")
-	assert.Contains(t, text, "No events yet")
-	assert.Contains(t, text, "0 failed deliveries in the last 24 hours")
-	assert.NotContains(t, card, failedHighlight)
-	assert.False(t, dbMgr.DBExists(quiet.ID),
-		"showing the list must not create an event database")
-}
-
-// TestSourceList_CountsOnlyEventsWithinRetention checks that once
-// retention has removed one of a webhook's three events, the list
-// counts the two still stored.
-func TestSourceList_CountsOnlyEventsWithinRetention(t *testing.T) {
-	t.Parallel()
-
-	var (
-		h     *handlers.Handlers
-		sess  *session.Session
-		db    *database.Database
-		dbMgr *database.WebhookDBManager
-		log   *logger.Logger
-	)
-
-	app := newTestApp(t, &h, &sess, &db, &dbMgr, &log)
-	app.RequireStart()
-
-	t.Cleanup(app.RequireStop)
-
-	wh := &database.Webhook{
-		UserID: deleteTestUserID, Name: "pruned", RetentionDays: 14,
-	}
-	require.NoError(t, db.DB().Omit(clause.Associations).Create(wh).Error)
-
-	paths := addEntrypoints(t, db, wh.ID, 3, true)
-	addTargets(t, db, wh.ID, 4, true)
-
-	webhookDB, events := receiveEvents(t, h, dbMgr, wh.ID, paths[0], 3)
-
-	statsAge(t, webhookDB, events[0].ID, time.Now().Add(-15*24*time.Hour))
-	statsPrune(t, db, dbMgr, log, webhookDB)
-	require.Len(t, listEvents(t, webhookDB), 2)
-
-	_, text := listCard(t, renderWebhookList(t, h, sess), wh.ID)
-	assert.Contains(t, text, "3 entrypoints")
-	assert.Contains(t, text, "4 targets")
-	assert.Contains(t, text, "2 events within retention")
-}
-
-// TestSourceList_LastEventSurvivesPruningEveryEvent checks that once
-// retention has removed every event of a webhook, the list still shows
-// when the last one arrived rather than "No events yet".
-func TestSourceList_LastEventSurvivesPruningEveryEvent(t *testing.T) {
-	t.Parallel()
-
-	var (
-		h     *handlers.Handlers
-		sess  *session.Session
-		db    *database.Database
-		dbMgr *database.WebhookDBManager
-		log   *logger.Logger
-	)
-
-	app := newTestApp(t, &h, &sess, &db, &dbMgr, &log)
-	app.RequireStart()
-
-	t.Cleanup(app.RequireStop)
-
-	wh := &database.Webhook{
-		UserID: deleteTestUserID, Name: "emptied", RetentionDays: 1,
-	}
-	require.NoError(t, db.DB().Omit(clause.Associations).Create(wh).Error)
-
-	paths := addEntrypoints(t, db, wh.ID, 2, true)
-	addTargets(t, db, wh.ID, 3, true)
-
-	webhookDB, events := receiveEvents(t, h, dbMgr, wh.ID, paths[0], 1)
-	lastEventAt := time.Now().Add(-50 * time.Hour)
-
-	statsAge(t, webhookDB, events[0].ID, lastEventAt)
-	require.NoError(t, database.AddEventTotals(webhookDB,
-		database.EventTotals{LastEventAt: &lastEventAt}))
-	statsPrune(t, db, dbMgr, log, webhookDB)
-	require.Empty(t, listEvents(t, webhookDB))
-
-	_, text := listCard(t, renderWebhookList(t, h, sess), wh.ID)
-	assert.Contains(t, text, "0 events within retention")
-	assert.Contains(t, text, "Last event "+lastEventText(lastEventAt))
-	assert.NotContains(t, text, "No events yet")
-}
-
-// TestSourceList_CountsOfOneInSingular checks that a webhook with one
-// entrypoint, one target, one event within retention and one failed
-// delivery in the last 24 hours has each written in the singular.
-func TestSourceList_CountsOfOneInSingular(t *testing.T) {
-	t.Parallel()
-
-	var (
-		h     *handlers.Handlers
-		sess  *session.Session
-		db    *database.Database
-		dbMgr *database.WebhookDBManager
-	)
-
-	app := newTestApp(t, &h, &sess, &db, &dbMgr)
-	app.RequireStart()
-
-	t.Cleanup(app.RequireStop)
-
-	wh := listWebhook(t, db, "single")
-	paths := addEntrypoints(t, db, wh.ID, 1, true)
-	targets := addTargets(t, db, wh.ID, 1, true)
-
-	webhookDB, events := receiveEvents(t, h, dbMgr, wh.ID, paths[0], 1)
-	now := time.Now()
-	lastEventAt := now.Add(-9 * time.Hour)
-
-	statsAge(t, webhookDB, events[0].ID, lastEventAt)
-	require.NoError(t, database.AddEventTotals(webhookDB,
-		database.EventTotals{LastEventAt: &lastEventAt}))
-	statsFinish(t, webhookDB,
-		statsDelivery(t, webhookDB, events[0].ID, targets[0].ID),
-		database.DeliveryStatusFailed, now.Add(-time.Hour))
-
-	card, text := listCard(t, renderWebhookList(t, h, sess), wh.ID)
-	assert.Contains(t, card, ">1 entrypoint<")
-	assert.Contains(t, card, ">1 target<")
-	assert.Contains(t, card, ">1 event within retention<")
-	assert.Contains(t, text, "Last event "+lastEventText(lastEventAt))
-	assert.Contains(t, card,
-		failedHighlight+">1 failed delivery in the last 24 hours<")
-}
-
-// TestSourceList_UnreadableEventDatabase checks that a webhook whose
-// event database cannot be read says so in its entry instead of
-// showing zeros, and that the rest of the list is still shown.
-func TestSourceList_UnreadableEventDatabase(t *testing.T) {
-	t.Parallel()
-
-	var (
-		h     *handlers.Handlers
-		sess  *session.Session
-		db    *database.Database
-		dbMgr *database.WebhookDBManager
-	)
-
-	app := newTestApp(t, &h, &sess, &db, &dbMgr)
-	app.RequireStart()
-
-	t.Cleanup(app.RequireStop)
-
-	broken := listWebhook(t, db, "broken")
-	addEntrypoints(t, db, broken.ID, 2, true)
-	addTargets(t, db, broken.ID, 3, true)
-
-	brokenDB, err := dbMgr.GetDB(broken.ID)
-	require.NoError(t, err)
-	require.NoError(t,
-		brokenDB.Migrator().DropTable(&database.EventTotals{}))
-
-	quiet := listWebhook(t, db, "quiet")
-	addEntrypoints(t, db, quiet.ID, 2, true)
-	addTargets(t, db, quiet.ID, 3, true)
-
-	page := renderWebhookList(t, h, sess)
-
-	_, text := listCard(t, page, broken.ID)
-	assert.Contains(t, text, "2 entrypoints")
-	assert.Contains(t, text, "3 targets")
-	assert.Contains(t, text, "The event figures could not be read.")
-	assert.NotContains(t, text, "events")
-	assert.NotContains(t, text, "failed")
-
-	_, text = listCard(t, page, quiet.ID)
-	assert.Contains(t, text, "No events yet")
-}

internal/handlers/source_management.go

@@ -3,12 +3,10 @@ package handlers
 import (
 	"encoding/json"
 	"errors"
-	"fmt"
 	"net/http"
 	"slices"
 	"strconv"
 	"strings"
-	"time"
 
 	"github.com/go-chi/chi"
 	"github.com/google/uuid"
@@ -22,20 +20,9 @@ import (
 type WebhookListItem struct {
 	database.Webhook
 
-	EntrypointCount         int
+	EntrypointCount int64
-	InactiveEntrypointCount int
+	TargetCount     int64
-	TargetCount             int
-	InactiveTargetCount     int
-
-	// EventCount is how many events the webhook holds, LastEventAt
-	// when the newest arrived (nil before the first), and
-	// FailedLast24Hours how many of its deliveries failed in the last
-	// 24 hours. When the webhook's event database could not be read,
-	// EventsUnreadable is set and these three are not known.
 	EventCount      int64
-	LastEventAt       *time.Time
-	FailedLast24Hours int64
-	EventsUnreadable  bool
 }
 
 // errMissingURL signals that a required URL was not provided.
@@ -162,17 +149,18 @@ func (h *Handlers) HandleSourceList() http.HandlerFunc {
 			"user_id = ?", userID,
 		).Order("created_at DESC").Find(&webhooks).Error
 		if err != nil {
-			h.serverError(w, r, "failed to list webhooks", err)
+			h.log.Error(
+				"failed to list webhooks", "error", err,
+			)
+			http.Error(
+				w, "Internal server error",
+				http.StatusInternalServerError,
+			)
 
 			return
 		}
 
-		items, err := h.buildWebhookListItems(webhooks)
+		items := h.buildWebhookListItems(webhooks)
-		if err != nil {
-			h.serverError(w, r, "failed to list webhooks", err)
-
-			return
-		}
 
 		data := map[string]any{
 			"Webhooks": items,
@@ -182,115 +170,36 @@ func (h *Handlers) HandleSourceList() http.HandlerFunc {
 	}
 }
 
-// buildWebhookListItems builds the list's entry for each webhook. It
+// buildWebhookListItems builds list items with counts.
-// fails when the main database cannot be read. A webhook whose event
-// database cannot be read is marked on its own entry, and the error is
-// logged.
 func (h *Handlers) buildWebhookListItems(
 	webhooks []database.Webhook,
-) ([]WebhookListItem, error) {
+) []WebhookListItem {
 	items := make([]WebhookListItem, len(webhooks))
-	since := time.Now().Add(-longWindow)
 
 	for i := range webhooks {
-		item := &items[i]
+		items[i].Webhook = webhooks[i]
-		item.Webhook = webhooks[i]
 
-		var err error
+		h.db.DB().Model(&database.Entrypoint{}).Where(
+			"webhook_id = ?", webhooks[i].ID,
+		).Count(&items[i].EntrypointCount)
 
-		item.EntrypointCount, item.InactiveEntrypointCount, err =
+		h.db.DB().Model(&database.Target{}).Where(
-			h.countWithInactive(&database.Entrypoint{}, item.ID)
+			"webhook_id = ?", webhooks[i].ID,
-		if err != nil {
+		).Count(&items[i].TargetCount)
-			return nil, err
-		}
 
-		item.TargetCount, item.InactiveTargetCount, err =
+		if h.dbMgr.DBExists(webhooks[i].ID) {
-			h.countWithInactive(&database.Target{}, item.ID)
+			webhookDB, err := h.dbMgr.GetDB(
-		if err != nil {
+				webhooks[i].ID,
-			return nil, err
-		}
-
-		// Opening an event database that does not exist would create
-		// it, and it would hold nothing to count.
-		if !h.dbMgr.DBExists(item.ID) {
-			continue
-		}
-
-		err = h.readListEventFigures(item, since)
-		if err != nil {
-			h.log.Error(
-				"failed to read webhook list figures",
-				"webhook_id", item.ID,
-				"error", err,
 			)
-
+			if err == nil {
-			item.EventsUnreadable = true
+				webhookDB.Model(
+					&database.Event{},
+				).Count(&items[i].EventCount)
+			}
 		}
 	}
 
-	return items, nil
+	return items
-}
-
-// countWithInactive returns how many entrypoints or targets, as model
-// says, a webhook has, and how many of them are inactive.
-func (h *Handlers) countWithInactive(
-	model any, webhookID string,
-) (int, int, error) {
-	var active []bool
-
-	err := h.db.DB().Model(model).
-		Where("webhook_id = ?", webhookID).
-		Pluck("active", &active).Error
-	if err != nil {
-		return 0, 0, fmt.Errorf(
-			"reading active flags of webhook %s: %w", webhookID, err,
-		)
-	}
-
-	inactive := 0
-
-	for _, a := range active {
-		if !a {
-			inactive++
-		}
-	}
-
-	return len(active), inactive, nil
-}
-
-// readListEventFigures fills in the figures the list shows from the
-// webhook's event database, with the statistics pane's own queries:
-// the event count and last arrival from the event totals row, and the
-// deliveries that failed since the given time from the deliveries'
-// status index.
-func (h *Handlers) readListEventFigures(
-	item *WebhookListItem, since time.Time,
-) error {
-	webhookDB, err := h.dbMgr.GetDB(item.ID)
-	if err != nil {
-		return err
-	}
-
-	var totals database.EventTotals
-
-	err = webhookDB.Take(&totals).Error
-	if err != nil {
-		return fmt.Errorf("reading event totals: %w", err)
-	}
-
-	item.EventCount = totals.Events - totals.EventsRemoved
-	item.LastEventAt = totals.LastEventAt
-
-	byTarget, err := finishedByTarget(webhookDB, since)
-	if err != nil {
-		return err
-	}
-
-	for _, f := range byTarget {
-		item.FailedLast24Hours += f.Failed
-	}
-
-	return nil
 }
 
 // HandleSourceCreate shows the form to create a new webhook.
@@ -340,7 +249,9 @@ func (h *Handlers) HandleSourceCreateSubmit() http.HandlerFunc {
 		// middleware, which runs before CSRF parses the form.
 		err := r.ParseForm()
 		if err != nil {
-			h.renderError(w, r, http.StatusBadRequest)
+			http.Error(
+				w, "Bad request", http.StatusBadRequest,
+			)
 
 			return
 		}
@@ -350,12 +261,12 @@ func (h *Handlers) HandleSourceCreateSubmit() http.HandlerFunc {
 		retentionStr := r.PostFormValue("retention_days")
 
 		if name == "" {
-			h.renderTemplateStatus(
+			w.WriteHeader(http.StatusBadRequest)
+			h.renderTemplate(
 				w, r, "sources_new.html",
 				newSourceFormData(
 					"Name is required", name, description,
 				),
-				http.StatusBadRequest,
 			)
 
 			return
@@ -365,13 +276,13 @@ func (h *Handlers) HandleSourceCreateSubmit() http.HandlerFunc {
 			retentionStr, database.DefaultRetentionDays,
 		)
 		if retErr != nil {
-			h.renderTemplateStatus(
+			w.WriteHeader(http.StatusBadRequest)
+			h.renderTemplate(
 				w, r, "sources_new.html",
 				newSourceFormData(
 					retentionErrorMessage(retErr),
 					name, description,
 				),
-				http.StatusBadRequest,
 			)
 
 			return
@@ -400,7 +311,7 @@ func (h *Handlers) createWebhookWithEntrypoint(
 
 	err := h.commitWebhook(webhook)
 	if err != nil {
-		h.serverError(w, r, "failed to create webhook", err)
+		h.serverError(w, "failed to create webhook", err)
 
 		return
 	}
@@ -419,8 +330,7 @@ func (h *Handlers) createWebhookWithEntrypoint(
 	)
 
 	http.Redirect(
-		w, r, withNotice("/hook/"+webhook.ID, webhookCreated),
+		w, r, "/hook/"+webhook.ID, http.StatusSeeOther,
-		http.StatusSeeOther,
 	)
 }
 
@@ -478,7 +388,7 @@ func (h *Handlers) HandleSourceDetail() http.HandlerFunc {
 			"id = ? AND user_id = ?", sourceID, userID,
 		).First(&webhook).Error
 		if err != nil {
-			h.renderError(w, r, http.StatusNotFound)
+			http.NotFound(w, r)
 
 			return
 		}
@@ -505,23 +415,16 @@ func (h *Handlers) renderSourceDetail(
 		"webhook_id = ?", webhook.ID,
 	).Find(&targets)
 
-	var events []RecentEventView
+	var events []database.Event
 
 	if h.dbMgr.DBExists(webhook.ID) {
-		webhookDB, err := h.dbMgr.GetDB(webhook.ID)
+		webhookDB, dbErr := h.dbMgr.GetDB(webhook.ID)
-		if err != nil {
+		if dbErr == nil {
-			h.serverError(w, r, "failed to get webhook database", err)
+			webhookDB.Where(
-
+				"webhook_id = ?", webhook.ID,
-			return
+			).Order("created_at DESC").Limit(
-		}
+				recentEventLimit,
-
+			).Find(&events)
-		events, err = loadRecentEvents(
-			webhookDB, webhook.ID, singleHTTPTargetID(targets),
-		)
-		if err != nil {
-			h.serverError(w, r, "failed to load recent events", err)
-
-			return
 		}
 	}
 
@@ -547,7 +450,6 @@ func (h *Handlers) renderSourceDetail(
 		"Targets":     delivery.NewTargetViews(targets),
 		"Events":      events,
 		"BaseURL":     baseURL,
-		"Stats":       h.loadWebhookStats(webhook.ID, entrypoints, targets),
 	}
 
 	h.renderTemplate(w, r, "source_detail.html", data)
@@ -573,7 +475,7 @@ func (h *Handlers) HandleSourceEdit() http.HandlerFunc {
 			"id = ? AND user_id = ?", sourceID, userID,
 		).First(&webhook).Error
 		if err != nil {
-			h.renderError(w, r, http.StatusNotFound)
+			http.NotFound(w, r)
 
 			return
 		}
@@ -602,16 +504,13 @@ func (h *Handlers) HandleSourceEditSubmit() http.HandlerFunc {
 
 		sourceID := chi.URLParam(r, "sourceID")
 
-		h.renameMu.Lock()
-		defer h.renameMu.Unlock()
-
 		var webhook database.Webhook
 
 		err := h.db.DB().Where(
 			"id = ? AND user_id = ?", sourceID, userID,
 		).First(&webhook).Error
 		if err != nil {
-			h.renderError(w, r, http.StatusNotFound)
+			http.NotFound(w, r)
 
 			return
 		}
@@ -620,7 +519,9 @@ func (h *Handlers) HandleSourceEditSubmit() http.HandlerFunc {
 		// middleware, which runs before CSRF parses the form.
 		err = r.ParseForm()
 		if err != nil {
-			h.renderError(w, r, http.StatusBadRequest)
+			http.Error(
+				w, "Bad request", http.StatusBadRequest,
+			)
 
 			return
 		}
@@ -644,12 +545,12 @@ func (h *Handlers) applyWebhookEdit(
 			tmplKeyError:   "Name is required",
 		}
 
-		h.renderTemplateStatus(w, r, "source_edit.html", data, http.StatusBadRequest)
+		w.WriteHeader(http.StatusBadRequest)
+		h.renderTemplate(w, r, "source_edit.html", data)
 
 		return
 	}
 
-	oldName := webhook.Name
 	webhook.Name = name
 	webhook.Description = r.PostFormValue("description")
 
@@ -664,56 +565,23 @@ func (h *Handlers) applyWebhookEdit(
 			tmplKeyError:   retentionErrorMessage(retErr),
 		}
 
-		h.renderTemplateStatus(w, r, "source_edit.html", data, http.StatusBadRequest)
+		w.WriteHeader(http.StatusBadRequest)
+		h.renderTemplate(w, r, "source_edit.html", data)
 
 		return
 	}
 
 	webhook.RetentionDays = retentionDays
 
-	// A new name renames the archive files before it is saved (see
+	err := h.db.DB().Save(webhook).Error
-	// delivery.Engine.Rename). If either step fails, the same targets'
-	// archives go back to the name that is still stored, without
-	// reading the main database again.
-	targets, err := h.renameWebhookArchives(
-		webhook.ID, oldName, webhook.Name,
-	)
-	if err == nil {
-		err = h.db.DB().Save(webhook).Error
-	}
-
 	if err != nil {
-		restoreErr := h.renameArchives(targets, oldName)
+		h.serverError(w, "failed to update webhook", err)
-		if restoreErr != nil {
-			h.log.Error(
-				"failed to rename archives back",
-				"webhook_id", webhook.ID,
-				"error", restoreErr,
-			)
-		}
-
-		if errors.Is(err, delivery.ErrArchiveNameTaken) {
-			data := map[string]any{
-				tmplKeyWebhook: webhook,
-				tmplKeyError: "Not saved: " + err.Error() +
-					". Move that archive out of the data directory, " +
-					"its .db together with any -wal and -shm beside " +
-					"it, then save again.",
-			}
-
-			h.renderTemplateStatus(w, r, "source_edit.html", data, http.StatusConflict)
-
-			return
-		}
-
-		h.serverError(w, r, "failed to update webhook", err)
 
 		return
 	}
 
 	http.Redirect(
-		w, r, withNotice("/hook/"+webhook.ID, webhookSaved),
+		w, r, "/hook/"+webhook.ID, http.StatusSeeOther,
-		http.StatusSeeOther,
 	)
 }
 
@@ -737,7 +605,7 @@ func (h *Handlers) HandleSourceDelete() http.HandlerFunc {
 			"id = ? AND user_id = ?", sourceID, userID,
 		).First(&webhook).Error
 		if err != nil {
-			h.renderError(w, r, http.StatusNotFound)
+			http.NotFound(w, r)
 
 			return
 		}
@@ -764,7 +632,7 @@ func (h *Handlers) deleteWebhookResources(
 	// be removed by hand; deleted history cannot be recovered.
 	err := h.commitWebhookDeletion(&webhook)
 	if err != nil {
-		h.serverError(w, r, "failed to delete webhook", err)
+		h.serverError(w, "failed to delete webhook", err)
 
 		return
 	}
@@ -790,15 +658,13 @@ func (h *Handlers) deleteWebhookResources(
 		// redirecting as though everything succeeded: the file
 		// needs removing by hand, and the logged error names it.
 		h.serverError(
-			w, r, "failed to delete webhook event database", err,
+			w, "failed to delete webhook event database", err,
 		)
 
 		return
 	}
 
-	http.Redirect(
+	http.Redirect(w, r, "/hooks", http.StatusSeeOther)
-		w, r, withNotice("/hooks", webhookDeleted), http.StatusSeeOther,
-	)
 }
 
 // commitWebhookDeletion soft-deletes a webhook's entrypoints,
@@ -843,11 +709,11 @@ func (h *Handlers) commitWebhookDeletion(
 	return tx.Commit().Error
 }
 
-// evictArchiveWriter asks the delivery engine to drop the cached
+// evictArchiveWriter asks the delivery engine to drop its
-// archive writers of a webhook's database targets, closing their
+// cached archive writer for a webhook, closing the archive file
-// archive file handles.
+// handle.
 //
-// The archive database files are NOT deleted. Unlike the event
+// The archive database file is NOT deleted. Unlike the event
 // database — which is per-webhook working storage and is
 // hard-deleted with the webhook — an archive is explicitly
 // long-term storage that an operator may want to keep or move
@@ -855,72 +721,50 @@ func (h *Handlers) commitWebhookDeletion(
 // deleting a webhook would be a surprising and unrecoverable
 // data loss, so the file is left for the operator to handle.
 func (h *Handlers) evictArchiveWriter(webhookID string) {
-	if h.archives == nil {
+	if h.evictor == nil {
 		return
 	}
 
-	h.archives.EvictWebhook(webhookID)
+	h.evictor.EvictWebhook(webhookID)
 }
 
-// evictTargetArchiveWriter is evictArchiveWriter for one deleted
+// evictArchiveWriterIfUnused releases a webhook's archive
-// target, and leaves its archive file on disk for the same reason.
+// writer once the webhook has no database target left to feed
-// A target that is not a database target has no writer, and
+// it.
-// evicting it does nothing.
+//
-func (h *Handlers) evictTargetArchiveWriter(targetID string) {
+// It is called after any child resource of a webhook is
-	if h.archives == nil {
+// deleted, and is correct without knowing which kind was: it
-		return
+// evicts only when no database target remains, so deleting one
-	}
+// of several database targets — or deleting an unrelated
-
+// target type — leaves a still-needed writer alone. When no
-	h.archives.EvictTarget(targetID)
+// database target ever existed there is no writer and eviction
-}
+// is a no-op. Soft-deleted targets are excluded by GORM's
-
+// default scope, so the row just deleted is not counted.
-// renameWebhookArchives renames the archive file of every database
+func (h *Handlers) evictArchiveWriterIfUnused(webhookID string) {
-// target of a webhook from the webhook name oldName to newName,
+	var remaining int64
-// keeping each target's own name. It does nothing when the name is
-// unchanged. It returns the targets it read, so that a failed edit can
-// move those same archives back with renameArchives.
-func (h *Handlers) renameWebhookArchives(
-	webhookID, oldName, newName string,
-) ([]database.Target, error) {
-	if h.archives == nil || oldName == newName {
-		return nil, nil
-	}
-
-	var targets []database.Target
 
 	err := h.db.DB().
+		Model(&database.Target{}).
 		Where(
 			"webhook_id = ? AND type = ?",
 			webhookID, database.TargetTypeDatabase,
 		).
-		Find(&targets).Error
+		Count(&remaining).Error
 	if err != nil {
-		return nil, err
+		h.log.Error(
-	}
+			"failed to count remaining database targets",
-
+			"webhook_id", webhookID,
-	return targets, h.renameArchives(targets, newName)
+			"error", err,
-}
-
-// renameArchives renames the archive file of each of the given
-// database targets to the webhook name webhookName, keeping each
-// target's own name. It tries every target even after one fails, so
-// that moving the archives back after a failed edit leaves none under
-// the new name, and returns every failure joined.
-func (h *Handlers) renameArchives(
-	targets []database.Target, webhookName string,
-) error {
-	var errs []error
-
-	for i := range targets {
-		err := h.archives.Rename(
-			targets[i].ID, webhookName, targets[i].Name,
 		)
-		if err != nil {
+
-			errs = append(errs, err)
+		return
-		}
 	}
 
-	return errors.Join(errs...)
+	if remaining > 0 {
+		return
+	}
+
+	h.evictArchiveWriter(webhookID)
 }
 
 // ownedWebhook resolves the request's sourceID parameter to a
@@ -958,7 +802,7 @@ func (h *Handlers) ownedWebhook(
 		"id = ? AND user_id = ?", sourceID, userID,
 	).First(&webhook).Error
 	if err != nil {
-		h.renderError(w, r, http.StatusNotFound)
+		http.NotFound(w, r)
 
 		return database.Webhook{}, false
 	}
@@ -980,7 +824,7 @@ func (h *Handlers) HandleSourceLogs() http.HandlerFunc {
 			// Without the map every delivery renders through a
 			// zero redactor, so failing the page is the only
 			// safe answer.
-			h.serverError(w, r, "failed to load targets", err)
+			h.serverError(w, "failed to load targets", err)
 
 			return
 		}
@@ -988,7 +832,7 @@ func (h *Handlers) HandleSourceLogs() http.HandlerFunc {
 		page := h.parsePage(r)
 
 		evts, total, ok := h.loadEventsWithDeliveries(
-			w, r, webhook, targets, page,
+			w, webhook, targets, page,
 		)
 		if !ok {
 			return
@@ -999,9 +843,24 @@ func (h *Handlers) HandleSourceLogs() http.HandlerFunc {
 			totalPages++
 		}
 
+		// The banner a replay or resubmit POST redirected back
+		// with. The message comes from a fixed set keyed by the
+		// outcome code, never from the query string itself.
+		replayMsg, replayOK := replayOutcome(
+			r.URL.Query().Get(replayOutcomeParam),
+		)
+
+		resubmitMsg, resubmitOK := resubmitOutcome(
+			r.URL.Query().Get(resubmitOutcomeParam),
+		)
+
 		data := map[string]any{
 			tmplKeyWebhook:    &webhook,
 			"Events":          evts,
+			"ReplayMessage":   replayMsg,
+			"ReplayQueued":    replayOK,
+			"ResubmitMessage": resubmitMsg,
+			"ResubmitQueued":  resubmitOK,
 			"Page":            page,
 			"TotalPages":      totalPages,
 			"TotalEvents":     total,
@@ -1083,7 +942,6 @@ func (h *Handlers) parsePage(r *http.Request) int {
 // caller must then render nothing further.
 func (h *Handlers) loadEventsWithDeliveries(
 	w http.ResponseWriter,
-	r *http.Request,
 	webhook database.Webhook,
 	targetMap map[string]eventLogTarget,
 	page int,
@@ -1097,7 +955,7 @@ func (h *Handlers) loadEventsWithDeliveries(
 	webhookDB, err := h.dbMgr.GetDB(webhook.ID)
 	if err != nil {
 		h.serverError(
-			w, r, "failed to get webhook database", err,
+			w, "failed to get webhook database", err,
 		)
 
 		return nil, 0, false
@@ -1134,7 +992,7 @@ func (h *Handlers) loadEventsWithDeliveries(
 	)
 	if err != nil {
 		h.serverError(
-			w, r, "failed to load delivery attempts", err,
+			w, "failed to load delivery attempts", err,
 		)
 
 		return nil, 0, false
@@ -1143,7 +1001,7 @@ func (h *Handlers) loadEventsWithDeliveries(
 	resubmits, err := resubmitCounts(webhookDB, eventIDs)
 	if err != nil {
 		h.serverError(
-			w, r, "failed to count event resubmissions", err,
+			w, "failed to count event resubmissions", err,
 		)
 
 		return nil, 0, false
@@ -1366,7 +1224,7 @@ func (h *Handlers) HandleEntrypointCreate() http.HandlerFunc {
 			"id = ? AND user_id = ?", sourceID, userID,
 		).First(&webhook).Error
 		if err != nil {
-			h.renderError(w, r, http.StatusNotFound)
+			http.NotFound(w, r)
 
 			return
 		}
@@ -1375,7 +1233,9 @@ func (h *Handlers) HandleEntrypointCreate() http.HandlerFunc {
 		// middleware, which runs before CSRF parses the form.
 		err = r.ParseForm()
 		if err != nil {
-			h.renderError(w, r, http.StatusBadRequest)
+			http.Error(
+				w, "Bad request", http.StatusBadRequest,
+			)
 
 			return
 		}
@@ -1391,14 +1251,13 @@ func (h *Handlers) HandleEntrypointCreate() http.HandlerFunc {
 
 		err = h.db.DB().Create(entrypoint).Error
 		if err != nil {
-			h.serverError(w, r, "failed to create entrypoint", err)
+			h.serverError(w, "failed to create entrypoint", err)
 
 			return
 		}
 
 		http.Redirect(
-			w, r, withNotice("/hook/"+webhook.ID, entrypointAdded),
+			w, r, "/hook/"+webhook.ID, http.StatusSeeOther,
-			http.StatusSeeOther,
 		)
 	}
 }
@@ -1417,16 +1276,13 @@ func (h *Handlers) HandleTargetCreate() http.HandlerFunc {
 
 		sourceID := chi.URLParam(r, "sourceID")
 
-		h.renameMu.Lock()
-		defer h.renameMu.Unlock()
-
 		var webhook database.Webhook
 
 		err := h.db.DB().Where(
 			"id = ? AND user_id = ?", sourceID, userID,
 		).First(&webhook).Error
 		if err != nil {
-			h.renderError(w, r, http.StatusNotFound)
+			http.NotFound(w, r)
 
 			return
 		}
@@ -1435,7 +1291,9 @@ func (h *Handlers) HandleTargetCreate() http.HandlerFunc {
 		// middleware, which runs before CSRF parses the form.
 		err = r.ParseForm()
 		if err != nil {
-			h.renderError(w, r, http.StatusBadRequest)
+			http.Error(
+				w, "Bad request", http.StatusBadRequest,
+			)
 
 			return
 		}
@@ -1506,14 +1364,13 @@ func (h *Handlers) processTargetCreate(
 
 	err = h.db.DB().Create(target).Error
 	if err != nil {
-		h.serverError(w, r, "failed to create target", err)
+		h.serverError(w, "failed to create target", err)
 
 		return
 	}
 
 	http.Redirect(
-		w, r, withNotice("/hook/"+webhook.ID, targetAdded),
+		w, r, "/hook/"+webhook.ID, http.StatusSeeOther,
-		http.StatusSeeOther,
 	)
 }
 
@@ -1601,7 +1458,7 @@ func (h *Handlers) buildTargetConfig(
 	case database.TargetTypeSlack:
 		return h.buildSlackTargetConfig(w, r, in.URL)
 	case database.TargetTypeDatabase:
-		return h.buildDatabaseTargetConfig(w, r, in.Expiry)
+		return h.buildDatabaseTargetConfig(w, in.Expiry)
 	case database.TargetTypeLog:
 		return "", nil
 	default:
@@ -1651,7 +1508,7 @@ func (h *Handlers) buildHTTPTargetConfig(
 		return "", err
 	}
 
-	return h.marshalTargetConfig(w, r, delivery.HTTPTargetConfig{
+	return marshalTargetConfig(w, delivery.HTTPTargetConfig{
 		URL:     in.URL,
 		Headers: headers,
 		Timeout: timeout,
@@ -1673,7 +1530,7 @@ func (h *Handlers) buildSlackTargetConfig(
 		return "", err
 	}
 
-	return h.marshalTargetConfig(w, r, delivery.SlackTargetConfig{
+	return marshalTargetConfig(w, delivery.SlackTargetConfig{
 		WebhookURL: targetURL,
 	})
 }
@@ -1713,23 +1570,11 @@ func (h *Handlers) validateTargetURL(
 			"url", delivery.MaskURL(targetURL),
 			"error", err,
 		)
-
+		http.Error(
-		msg := "Invalid target URL: " + err.Error()
+			w,
-
+			"Invalid target URL: "+err.Error(),
-		// Only a private or reserved address's refusal says how
+			http.StatusBadRequest,
-		// to allow it. Other refusals never do: link-local, the
+		)
-		// unspecified addresses and the unconditional metadata
-		// addresses cannot be opened, and the default
-		// blocklist's public addresses, which listing does open,
-		// hand out credentials.
-		if errors.Is(err, delivery.ErrBlockedPrivateOrReservedIP) {
-			msg += ". Private and reserved addresses are refused " +
-				"by default; the server's ALLOWED_EGRESS_CIDRS " +
-				"setting allows named networks (see \"Allowing " +
-				"egress to your own network\" in the README)."
-		}
-
-		http.Error(w, msg, http.StatusBadRequest)
 
 		return err
 	}
@@ -1739,14 +1584,16 @@ func (h *Handlers) validateTargetURL(
 
 // marshalTargetConfig serialises a target configuration for storage,
 // writing a 500 itself if it cannot.
-func (h *Handlers) marshalTargetConfig(
+func marshalTargetConfig(
 	w http.ResponseWriter,
-	r *http.Request,
 	cfg any,
 ) (string, error) {
 	configBytes, err := json.Marshal(cfg)
 	if err != nil {
-		h.serverError(w, r, "failed to encode target config", err)
+		http.Error(
+			w, "Internal server error",
+			http.StatusInternalServerError,
+		)
 
 		return "", err
 	}
@@ -1762,7 +1609,6 @@ func (h *Handlers) marshalTargetConfig(
 // expiry yields an empty config (the keep-forever default).
 func (h *Handlers) buildDatabaseTargetConfig(
 	w http.ResponseWriter,
-	r *http.Request,
 	expiry string,
 ) (string, error) {
 	expiry = strings.TrimSpace(expiry)
@@ -1781,8 +1627,8 @@ func (h *Handlers) buildDatabaseTargetConfig(
 		return "", err
 	}
 
-	return h.marshalTargetConfig(
+	return marshalTargetConfig(
-		w, r, map[string]any{"expiry": expiry},
+		w, map[string]any{"expiry": expiry},
 	)
 }
 
@@ -1792,33 +1638,30 @@ func (h *Handlers) HandleEntrypointDelete() http.HandlerFunc {
 		"entrypointID", &database.Entrypoint{},
 		"failed to delete entrypoint",
 		nil,
-		entrypointDeleted,
 	)
 }
 
-// HandleTargetDelete handles deleting a target. A deleted
+// HandleTargetDelete handles deleting a target. Deleting the
-// database target's archive writer is evicted and its handle
+// last database target of a webhook leaves its archive writer
-// closed; the archive file is left on disk.
+// with nothing to write, so the writer is evicted and its
+// handle closed; the archive file is left on disk.
 func (h *Handlers) HandleTargetDelete() http.HandlerFunc {
 	return h.deleteChildResource(
 		"targetID", &database.Target{},
 		"failed to delete target",
-		h.evictTargetArchiveWriter,
+		h.evictArchiveWriterIfUnused,
-		targetDeleted,
 	)
 }
 
 // deleteChildResource returns a handler that deletes a child
 // resource (entrypoint or target) belonging to a webhook. The
-// optional afterDelete hook runs with the child's id once the
+// optional afterDelete hook runs with the webhook's id once the
-// delete has removed it, before the redirect, which carries done as
+// delete has succeeded, before the redirect.
-// its notice.
 func (h *Handlers) deleteChildResource(
 	idParam string,
 	model any,
 	errMsg string,
-	afterDelete func(childID string),
+	afterDelete func(webhookID string),
-	done noticeCode,
 ) http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
 		userID, ok := h.getUserID(r)
@@ -1839,7 +1682,7 @@ func (h *Handlers) deleteChildResource(
 			"id = ? AND user_id = ?", sourceID, userID,
 		).First(&webhook).Error
 		if err != nil {
-			h.renderError(w, r, http.StatusNotFound)
+			http.NotFound(w, r)
 
 			return
 		}
@@ -1849,20 +1692,22 @@ func (h *Handlers) deleteChildResource(
 			childID, webhook.ID,
 		).Delete(model)
 		if result.Error != nil {
-			h.serverError(w, r, errMsg, result.Error)
+			h.log.Error(errMsg, "error", result.Error)
+			http.Error(
+				w, "Internal server error",
+				http.StatusInternalServerError,
+			)
 
 			return
 		}
 
-		// Only for a row this webhook really had: the id came from
+		if afterDelete != nil {
-		// the URL and may name another webhook's child.
+			afterDelete(webhook.ID)
-		if afterDelete != nil && result.RowsAffected > 0 {
-			afterDelete(childID)
 		}
 
 		http.Redirect(
 			w, r,
-			withNotice("/hook/"+webhook.ID, done),
+			"/hook/"+webhook.ID,
 			http.StatusSeeOther,
 		)
 	}
@@ -1873,7 +1718,7 @@ func (h *Handlers) deleteChildResource(
 func (h *Handlers) HandleEntrypointToggle() http.HandlerFunc {
 	return h.toggleChildResource(
 		"entrypointID",
-		func(webhookID, childID string) (bool, error) {
+		func(webhookID, childID string) error {
 			var ep database.Entrypoint
 
 			err := h.db.DB().Where(
@@ -1881,15 +1726,14 @@ func (h *Handlers) HandleEntrypointToggle() http.HandlerFunc {
 				childID, webhookID,
 			).First(&ep).Error
 			if err != nil {
-				return false, err
+				return err
 			}
 
 			ep.Active = !ep.Active
 
-			return ep.Active, h.db.DB().Save(&ep).Error
+			return h.db.DB().Save(&ep).Error
 		},
 		"failed to toggle entrypoint",
-		entrypointActivated, entrypointDeactivated,
 	)
 }
 
@@ -1897,7 +1741,7 @@ func (h *Handlers) HandleEntrypointToggle() http.HandlerFunc {
 func (h *Handlers) HandleTargetToggle() http.HandlerFunc {
 	return h.toggleChildResource(
 		"targetID",
-		func(webhookID, childID string) (bool, error) {
+		func(webhookID, childID string) error {
 			var tgt database.Target
 
 			err := h.db.DB().Where(
@@ -1905,31 +1749,23 @@ func (h *Handlers) HandleTargetToggle() http.HandlerFunc {
 				childID, webhookID,
 			).First(&tgt).Error
 			if err != nil {
-				return false, err
+				return err
 			}
 
-			// Only the active column: saving the whole row would
+			tgt.Active = !tgt.Active
-			// write back the name and settings read above over an
-			// edit saved since.
-			active := !tgt.Active
 
-			return active, h.db.DB().Model(&tgt).
+			return h.db.DB().Save(&tgt).Error
-				Update("active", active).Error
 		},
 		"failed to toggle target",
-		targetActivated, targetDeactivated,
 	)
 }
 
 // toggleChildResource returns a handler that toggles the active
-// state of a child resource belonging to a webhook. toggleFn returns
+// state of a child resource belonging to a webhook.
-// the new state, and the redirect carries activated or deactivated as
-// its notice to match.
 func (h *Handlers) toggleChildResource(
 	idParam string,
-	toggleFn func(webhookID, childID string) (bool, error),
+	toggleFn func(webhookID, childID string) error,
 	errMsg string,
-	activated, deactivated noticeCode,
 ) http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
 		userID, ok := h.getUserID(r)
@@ -1950,26 +1786,25 @@ func (h *Handlers) toggleChildResource(
 			"id = ? AND user_id = ?", sourceID, userID,
 		).First(&webhook).Error
 		if err != nil {
-			h.renderError(w, r, http.StatusNotFound)
+			http.NotFound(w, r)
 
 			return
 		}
 
-		active, err := toggleFn(webhook.ID, childID)
+		err = toggleFn(webhook.ID, childID)
 		if err != nil {
-			h.serverError(w, r, errMsg, err)
+			h.log.Error(errMsg, "error", err)
+			http.Error(
+				w, "Internal server error",
+				http.StatusInternalServerError,
+			)
 
 			return
 		}
 
-		done := deactivated
-		if active {
-			done = activated
-		}
-
 		http.Redirect(
 			w, r,
-			withNotice("/hook/"+webhook.ID, done),
+			"/hook/"+webhook.ID,
 			http.StatusSeeOther,
 		)
 	}

internal/handlers/source_management_test.go

@@ -2,20 +2,16 @@ package handlers_test
 
 import (
 	"context"
-	"errors"
 	"net/http"
 	"net/http/httptest"
 	"net/url"
 	"strconv"
 	"strings"
-	"sync/atomic"
 	"testing"
-	"time"
 
 	"github.com/go-chi/chi"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
-	"gorm.io/gorm"
 	"gorm.io/gorm/clause"
 	"sneak.berlin/go/webhooker/internal/database"
 	"sneak.berlin/go/webhooker/internal/handlers"
@@ -191,7 +187,6 @@ func storedRetentionDays(
 type sourceTestEnv struct {
 	handlers *handlers.Handlers
 	db       *database.Database
-	archives *recordingArchives
 	cookies  []*http.Cookie
 }
 
@@ -204,9 +199,7 @@ func setupSourceTest(t *testing.T) *sourceTestEnv {
 
 	var db *database.Database
 
-	var archives *recordingArchives
+	app := newTestApp(t, &h, &sess, &db)
-
-	app := newTestApp(t, &h, &sess, &db, &archives)
 	app.RequireStart()
 
 	t.Cleanup(app.RequireStop)
@@ -214,7 +207,6 @@ func setupSourceTest(t *testing.T) *sourceTestEnv {
 	return &sourceTestEnv{
 		handlers: h,
 		db:       db,
-		archives: archives,
 		cookies: authenticatedCookies(
 			t, sess, sourceTestUserID, "sourceuser",
 		),
@@ -506,301 +498,6 @@ func TestHandleSourceEditSubmit_EmptyRetentionLeavesValueUnchanged(
 	assert.Equal(t, 7, storedRetentionDays(t, env.db, wh.ID))
 }
 
-// renamedWebhookName is the name the rename tests give a webhook.
-const renamedWebhookName = "Renamed"
-
-// TestHandleSourceEditSubmit_RenamesArchives proves that a save
-// that keeps the webhook's name renames nothing, and that renaming a
-// webhook renames the archive of each of its database targets and
-// asks nothing of its other targets.
-func TestHandleSourceEditSubmit_RenamesArchives(t *testing.T) {
-	t.Parallel()
-
-	env := setupSourceTest(t)
-	wh := seedWebhookWithRetention(t, env.db, 7)
-	first := seedTarget(t, env.db, wh.ID, database.TargetTypeDatabase)
-	second := seedTarget(t, env.db, wh.ID, database.TargetTypeDatabase)
-	seedTarget(t, env.db, wh.ID, database.TargetTypeLog)
-
-	w := submitEdit(t, env, wh, "")
-	require.Equal(t, http.StatusSeeOther, w.Code)
-	assert.Empty(t, env.archives.Renames())
-
-	wh.Name = renamedWebhookName
-
-	w = submitEdit(t, env, wh, "")
-	require.Equal(t, http.StatusSeeOther, w.Code)
-
-	assert.ElementsMatch(
-		t,
-		[]archiveRename{
-			{first.ID, renamedWebhookName, first.Name},
-			{second.ID, renamedWebhookName, second.Name},
-		},
-		env.archives.Renames(),
-	)
-}
-
-// TestHandleSourceEditSubmit_FailedRenameKeepsTheName proves that a
-// webhook whose archive cannot be renamed keeps its stored name, so
-// the name on disk and the name in the UI do not part, and that the
-// handler puts back what it may already have moved.
-func TestHandleSourceEditSubmit_FailedRenameKeepsTheName(
-	t *testing.T,
-) {
-	t.Parallel()
-
-	env := setupSourceTest(t)
-	wh := seedWebhookWithRetention(t, env.db, 7)
-	tgt := seedTarget(t, env.db, wh.ID, database.TargetTypeDatabase)
-
-	env.archives.FailRenames(tgt.ID, errInjectedRename)
-
-	oldName := wh.Name
-	wh.Name = renamedWebhookName
-
-	w := submitEdit(t, env, wh, "")
-	require.Equal(t, http.StatusInternalServerError, w.Code)
-
-	var stored database.Webhook
-
-	require.NoError(
-		t, env.db.DB().First(&stored, "id = ?", wh.ID).Error,
-	)
-	assert.Equal(t, oldName, stored.Name)
-
-	assert.Equal(
-		t,
-		[]archiveRename{
-			{tgt.ID, renamedWebhookName, tgt.Name},
-			{tgt.ID, oldName, tgt.Name},
-		},
-		env.archives.Renames(),
-	)
-}
-
-// TestHandleSourceEditSubmit_FailedSaveRenamesBack proves that when
-// the archive is renamed but the new name cannot be saved, the
-// archive is renamed back to the stored name and the stored name
-// stays.
-func TestHandleSourceEditSubmit_FailedSaveRenamesBack(t *testing.T) {
-	t.Parallel()
-
-	env := setupSourceTest(t)
-	wh := seedWebhookWithRetention(t, env.db, 7)
-	tgt := seedTarget(t, env.db, wh.ID, database.TargetTypeDatabase)
-
-	failSaveOnTable(t, env.db, "webhooks")
-
-	oldName := wh.Name
-	wh.Name = renamedWebhookName
-
-	w := submitEdit(t, env, wh, "")
-	require.Equal(t, http.StatusInternalServerError, w.Code)
-
-	var stored database.Webhook
-
-	require.NoError(
-		t, env.db.DB().First(&stored, "id = ?", wh.ID).Error,
-	)
-	assert.Equal(t, oldName, stored.Name)
-
-	assert.Equal(
-		t,
-		[]archiveRename{
-			{tgt.ID, renamedWebhookName, tgt.Name},
-			{tgt.ID, oldName, tgt.Name},
-		},
-		env.archives.Renames(),
-	)
-}
-
-// errInjectedRead is the failure a test makes reads of the main
-// database report.
-var errInjectedRead = errors.New("injected read failure")
-
-// TestHandleSourceEditSubmit_FailedSaveRenamesBackWithoutReading
-// proves that when the save fails and every later read of the main
-// database fails too, each archive the rename moved is still renamed
-// back: the move back needs no second read of the webhook's targets.
-func TestHandleSourceEditSubmit_FailedSaveRenamesBackWithoutReading(
-	t *testing.T,
-) {
-	t.Parallel()
-
-	env := setupSourceTest(t)
-	wh := seedWebhookWithRetention(t, env.db, 7)
-	first := seedTarget(t, env.db, wh.ID, database.TargetTypeDatabase)
-	second := seedTarget(t, env.db, wh.ID, database.TargetTypeDatabase)
-
-	var saveFailed atomic.Bool
-
-	require.NoError(t, env.db.DB().Callback().Update().
-		Before("gorm:update").
-		Register("test:fail_save", func(tx *gorm.DB) {
-			saveFailed.Store(true)
-
-			_ = tx.AddError(errInjectedSave)
-		}),
-	)
-	require.NoError(t, env.db.DB().Callback().Query().
-		Before("gorm:query").
-		Register("test:fail_reads_after_save", func(tx *gorm.DB) {
-			if saveFailed.Load() {
-				_ = tx.AddError(errInjectedRead)
-			}
-		}),
-	)
-
-	oldName := wh.Name
-	wh.Name = renamedWebhookName
-
-	w := submitEdit(t, env, wh, "")
-	require.Equal(t, http.StatusInternalServerError, w.Code)
-
-	assert.Equal(
-		t,
-		[]archiveRename{
-			{first.ID, renamedWebhookName, first.Name},
-			{second.ID, renamedWebhookName, second.Name},
-			{first.ID, oldName, first.Name},
-			{second.ID, oldName, second.Name},
-		},
-		env.archives.Renames(),
-	)
-}
-
-// TestHandleSourceEditSubmit_EditsDoNotInterleave proves that a second
-// webhook edit submitted while the first is inside its archive rename
-// does not run until the first is saved, so afterwards the stored
-// names are the ones the archive was last renamed to. The stand-in's
-// last rename is the name the file has on disk.
-func TestHandleSourceEditSubmit_EditsDoNotInterleave(t *testing.T) {
-	t.Parallel()
-
-	env := setupSourceTest(t)
-	wh := seedWebhookWithRetention(t, env.db, 7)
-	tgt := seedTarget(t, env.db, wh.ID, database.TargetTypeDatabase)
-
-	entered, release := env.archives.BlockNextRename()
-
-	firstEdit, secondEdit := wh, wh
-	firstEdit.Name = "First"
-	secondEdit.Name = "Second"
-
-	firstCode := make(chan int, 1)
-
-	go func() { firstCode <- submitEdit(t, env, firstEdit, "").Code }()
-
-	<-entered
-
-	secondCode := make(chan int, 1)
-
-	go func() { secondCode <- submitEdit(t, env, secondEdit, "").Code }()
-
-	// Were the edits not ordered, the second would run to its end in
-	// this time, while the first is still inside its rename.
-	time.Sleep(200 * time.Millisecond)
-	release()
-
-	assert.Equal(t, http.StatusSeeOther, <-firstCode)
-	assert.Equal(t, http.StatusSeeOther, <-secondCode)
-
-	var (
-		storedWebhook database.Webhook
-		storedTarget  database.Target
-	)
-
-	require.NoError(
-		t, env.db.DB().First(&storedWebhook, "id = ?", wh.ID).Error,
-	)
-	require.NoError(
-		t, env.db.DB().First(&storedTarget, "id = ?", tgt.ID).Error,
-	)
-
-	renames := env.archives.Renames()
-	require.NotEmpty(t, renames)
-	assert.Equal(
-		t,
-		archiveRename{tgt.ID, storedWebhook.Name, storedTarget.Name},
-		renames[len(renames)-1],
-	)
-}
-
-// TestHandleSourceEditSubmit_FailedRenameRenamesTheOthersBack proves
-// that when a webhook has three database targets and only the middle
-// one's archive cannot be renamed, the stored name stays and both
-// others are renamed back, the last one included: the move back does
-// not stop at the target it cannot rename. The handler reaches the
-// targets in the order they were created, which the exact sequence
-// below pins, so the refused target always comes before the last.
-func TestHandleSourceEditSubmit_FailedRenameRenamesTheOthersBack(
-	t *testing.T,
-) {
-	t.Parallel()
-
-	env := setupSourceTest(t)
-	wh := seedWebhookWithRetention(t, env.db, 7)
-	first := seedTarget(t, env.db, wh.ID, database.TargetTypeDatabase)
-	middle := seedTarget(t, env.db, wh.ID, database.TargetTypeDatabase)
-	last := seedTarget(t, env.db, wh.ID, database.TargetTypeDatabase)
-
-	env.archives.FailRenames(middle.ID, errNameTaken)
-
-	oldName := wh.Name
-	wh.Name = renamedWebhookName
-
-	w := submitEdit(t, env, wh, "")
-	require.Equal(t, http.StatusConflict, w.Code)
-
-	var stored database.Webhook
-
-	require.NoError(
-		t, env.db.DB().First(&stored, "id = ?", wh.ID).Error,
-	)
-	assert.Equal(t, oldName, stored.Name)
-
-	assert.Equal(
-		t,
-		[]archiveRename{
-			{first.ID, renamedWebhookName, first.Name},
-			{middle.ID, renamedWebhookName, middle.Name},
-			{last.ID, renamedWebhookName, last.Name},
-			{first.ID, oldName, first.Name},
-			{middle.ID, oldName, middle.Name},
-			{last.ID, oldName, last.Name},
-		},
-		env.archives.Renames(),
-	)
-}
-
-// TestHandleSourceEditSubmit_ArchiveNameTaken proves that when a file
-// already has an archive's new name, the edit is refused with an
-// error naming that file, and the webhook keeps its stored name.
-func TestHandleSourceEditSubmit_ArchiveNameTaken(t *testing.T) {
-	t.Parallel()
-
-	env := setupSourceTest(t)
-	wh := seedWebhookWithRetention(t, env.db, 7)
-	tgt := seedTarget(t, env.db, wh.ID, database.TargetTypeDatabase)
-
-	env.archives.FailRenames(tgt.ID, errNameTaken)
-
-	oldName := wh.Name
-	wh.Name = renamedWebhookName
-
-	w := submitEdit(t, env, wh, "")
-	require.Equal(t, http.StatusConflict, w.Code)
-	assert.Contains(t, w.Body.String(), "archive-taken.db")
-
-	var stored database.Webhook
-
-	require.NoError(
-		t, env.db.DB().First(&stored, "id = ?", wh.ID).Error,
-	)
-	assert.Equal(t, oldName, stored.Name)
-}
-
 // TestSourceEditForm_ForeverWebhookRoundTrips walks the exact path that
 // the removed max="365" cap used to break: render the edit form for a
 // retain-forever webhook, confirm the pre-filled sentinel is not capped

internal/handlers/target_edit.go

@@ -1,7 +1,6 @@
 package handlers
 
 import (
-	"errors"
 	"net/http"
 
 	"github.com/go-chi/chi"
@@ -80,9 +79,6 @@ func (h *Handlers) HandleTargetEdit() http.HandlerFunc {
 // HandleTargetEditSubmit handles the target edit form submission.
 func (h *Handlers) HandleTargetEditSubmit() http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
-		h.renameMu.Lock()
-		defer h.renameMu.Unlock()
-
 		webhook, target, ok := h.ownedTarget(w, r)
 		if !ok {
 			return
@@ -92,7 +88,9 @@ func (h *Handlers) HandleTargetEditSubmit() http.HandlerFunc {
 		// middleware, which runs before CSRF parses the form.
 		err := r.ParseForm()
 		if err != nil {
-			h.renderError(w, r, http.StatusBadRequest)
+			http.Error(
+				w, "Bad request", http.StatusBadRequest,
+			)
 
 			return
 		}
@@ -154,69 +152,21 @@ func (h *Handlers) applyTargetEdit(
 		target.MaxRetries = retries
 	}
 
-	oldName := target.Name
 	target.Name = name
 	target.Config = configJSON
 
-	// A new name renames the archive file before it is saved (see
-	// delivery.Engine.Rename). If either step fails, it goes back to
-	// the name that is still stored.
-	err = h.renameTargetArchive(target, webhook.Name, oldName, name)
-	if err == nil {
 	err = h.db.DB().Save(target).Error
-	}
-
 	if err != nil {
-		restoreErr := h.renameTargetArchive(
+		h.serverError(w, "failed to update target", err)
-			target, webhook.Name, name, oldName,
-		)
-		if restoreErr != nil {
-			h.log.Error(
-				"failed to rename archive back",
-				"target_id", target.ID,
-				"error", restoreErr,
-			)
-		}
-
-		if errors.Is(err, delivery.ErrArchiveNameTaken) {
-			http.Error(
-				w,
-				"Not saved: "+err.Error()+
-					". Move that archive out of the data directory, "+
-					"its .db together with any -wal and -shm beside "+
-					"it, then save again.",
-				http.StatusConflict,
-			)
-
-			return
-		}
-
-		h.serverError(w, r, "failed to update target", err)
 
 		return
 	}
 
 	http.Redirect(
-		w, r, withNotice("/hook/"+webhook.ID, targetSaved),
+		w, r, "/hook/"+webhook.ID, http.StatusSeeOther,
-		http.StatusSeeOther,
 	)
 }
 
-// renameTargetArchive renames a database target's archive file from
-// the target name oldName to newName. It does nothing when the name
-// is unchanged; other target types have no archive.
-func (h *Handlers) renameTargetArchive(
-	target *database.Target,
-	webhookName, oldName, newName string,
-) error {
-	if h.archives == nil || oldName == newName ||
-		target.Type != database.TargetTypeDatabase {
-		return nil
-	}
-
-	return h.archives.Rename(target.ID, webhookName, newName)
-}
-
 // renderTargetEdit renders the target edit page with an optional
 // error message.
 func (h *Handlers) renderTargetEdit(
@@ -270,7 +220,7 @@ func (h *Handlers) ownedTarget(
 		chi.URLParam(r, "targetID"), webhook.ID,
 	).First(&target).Error
 	if err != nil {
-		h.renderError(w, r, http.StatusNotFound)
+		http.NotFound(w, r)
 
 		return database.Webhook{}, nil, false
 	}

internal/handlers/target_edit_test.go

@@ -635,100 +635,3 @@ func assertWebhookOfAnotherUser404s(
 
 	assert.Equal(t, http.StatusNotFound, w.Code)
 }
-
-// renamedTargetName is the name the rename tests give a target.
-const renamedTargetName = "Long Term"
-
-// TestHandleTargetEditSubmit_RenamesArchive proves that renaming a
-// database target renames its archive, that a save that keeps the
-// name renames nothing, that a target of another type has no archive
-// to rename, and that a target whose archive cannot be renamed keeps
-// its stored name. When a file already has the archive's new name,
-// the edit is refused with an error naming that file.
-func TestHandleTargetEditSubmit_RenamesArchive(t *testing.T) {
-	t.Parallel()
-
-	env := setupSourceTest(t)
-	wh := seedWebhookWithRetention(t, env.db, 7)
-	archive := seedTarget(t, env.db, wh.ID, database.TargetTypeDatabase)
-	rename := url.Values{"name": {renamedTargetName}}
-
-	w := submitTargetEdit(env, wh.ID, archive.ID, rename)
-	require.Equal(t, http.StatusSeeOther, w.Code, w.Body.String())
-	assert.Equal(
-		t,
-		[]archiveRename{{archive.ID, wh.Name, renamedTargetName}},
-		env.archives.Renames(),
-	)
-
-	w = submitTargetEdit(env, wh.ID, archive.ID, rename)
-	require.Equal(t, http.StatusSeeOther, w.Code, w.Body.String())
-	assert.Len(
-		t, env.archives.Renames(), 1,
-		"a save that keeps the name renames nothing",
-	)
-
-	httpWebhook, httpTarget := seedHTTPTarget(t, env, "", "")
-
-	w = submitTargetEdit(
-		env, httpWebhook.ID, httpTarget.ID,
-		editForm(editOriginalURL, "", ""),
-	)
-	require.Equal(t, http.StatusSeeOther, w.Code, w.Body.String())
-	assert.Len(
-		t, env.archives.Renames(), 1,
-		"an HTTP target has no archive to rename",
-	)
-
-	again := url.Values{"name": {"Again"}}
-
-	env.archives.FailRenames(archive.ID, errInjectedRename)
-
-	w = submitTargetEdit(env, wh.ID, archive.ID, again)
-	require.Equal(t, http.StatusInternalServerError, w.Code)
-	assert.Equal(
-		t, renamedTargetName, storedTarget(t, env, archive.ID).Name,
-		"a target whose archive was not renamed keeps its name",
-	)
-
-	env.archives.FailRenames(archive.ID, errNameTaken)
-
-	w = submitTargetEdit(env, wh.ID, archive.ID, again)
-	require.Equal(t, http.StatusConflict, w.Code)
-	assert.Contains(t, w.Body.String(), "archive-taken.db")
-	assert.Equal(
-		t, renamedTargetName, storedTarget(t, env, archive.ID).Name,
-	)
-}
-
-// TestHandleTargetEditSubmit_FailedSaveRenamesBack proves that when a
-// database target's archive is renamed but the new name cannot be
-// saved, the archive is renamed back to the stored name and the
-// stored name stays.
-func TestHandleTargetEditSubmit_FailedSaveRenamesBack(t *testing.T) {
-	t.Parallel()
-
-	env := setupSourceTest(t)
-	wh := seedWebhookWithRetention(t, env.db, 7)
-	archive := seedTarget(t, env.db, wh.ID, database.TargetTypeDatabase)
-
-	failSaveOnTable(t, env.db, "targets")
-
-	form := url.Values{}
-	form.Set("name", renamedTargetName)
-
-	w := submitTargetEdit(env, wh.ID, archive.ID, form)
-	require.Equal(t, http.StatusInternalServerError, w.Code)
-	assert.Equal(
-		t, archive.Name, storedTarget(t, env, archive.ID).Name,
-	)
-
-	assert.Equal(
-		t,
-		[]archiveRename{
-			{archive.ID, wh.Name, renamedTargetName},
-			{archive.ID, wh.Name, archive.Name},
-		},
-		env.archives.Renames(),
-	)
-}

internal/handlers/target_private_refusal_test.go

@@ -1,116 +0,0 @@
-package handlers_test
-
-import (
-	"net/http"
-	"net/url"
-	"testing"
-
-	"github.com/stretchr/testify/assert"
-	"github.com/stretchr/testify/require"
-	"sneak.berlin/go/webhooker/internal/database"
-)
-
-// privateRefusalHint is the sentence that tells an operator a private
-// destination is refused on purpose, and how to allow one.
-const privateRefusalHint = "Private and reserved addresses are " +
-	"refused by default; the server's ALLOWED_EGRESS_CIDRS setting " +
-	"allows named networks (see \"Allowing egress to your own " +
-	"network\" in the README)."
-
-// TestTargetRefusal_PrivateDestinationSaysHowToAllowIt covers both
-// target types that take a URL, on add and on edit.
-func TestTargetRefusal_PrivateDestinationSaysHowToAllowIt(
-	t *testing.T,
-) {
-	t.Parallel()
-
-	env := setupSourceTest(t)
-
-	targetTypes := []database.TargetType{
-		database.TargetTypeHTTP,
-		database.TargetTypeSlack,
-	}
-
-	for _, targetType := range targetTypes {
-		t.Run(string(targetType), func(t *testing.T) {
-			t.Parallel()
-
-			webhook := seedWebhookWithRetention(t, env.db, 30)
-			targetsPath := "/hook/" + webhook.ID + "/targets"
-
-			form := url.Values{}
-			form.Set("name", "private")
-			form.Set("type", string(targetType))
-			form.Set("url", editBlockedURL)
-
-			added := serveTarget(
-				env, http.MethodPost, targetsPath, form,
-			)
-			assert.Equal(t, http.StatusBadRequest, added.Code)
-			assert.Contains(
-				t, added.Body.String(), privateRefusalHint,
-			)
-
-			form.Set("url", editOriginalURL)
-
-			created := serveTarget(
-				env, http.MethodPost, targetsPath, form,
-			)
-			require.Equal(
-				t, http.StatusSeeOther, created.Code,
-				created.Body.String(),
-			)
-
-			targets := targetsForWebhook(t, env.db, webhook.ID)
-			require.Len(t, targets, 1)
-
-			form.Set("url", editBlockedURL)
-
-			edited := submitTargetEdit(
-				env, webhook.ID, targets[0].ID, form,
-			)
-			assert.Equal(t, http.StatusBadRequest, edited.Code)
-			assert.Contains(
-				t, edited.Body.String(), privateRefusalHint,
-			)
-		})
-	}
-}
-
-// TestTargetRefusal_MetadataDestinationDoesNotSayHowToAllowIt: no
-// setting opens a link-local address, and Azure's WireServer hands out
-// VM credentials, so neither refusal points at the setting.
-func TestTargetRefusal_MetadataDestinationDoesNotSayHowToAllowIt(
-	t *testing.T,
-) {
-	t.Parallel()
-
-	env := setupSourceTest(t)
-
-	metadataURLs := map[string]string{
-		"link-local": "http://169.254.169.254/latest/meta-data/",
-		"wireserver": "http://168.63.129.16/?comp=versions",
-	}
-
-	for name, metadataURL := range metadataURLs {
-		t.Run(name, func(t *testing.T) {
-			t.Parallel()
-
-			webhook := seedWebhookWithRetention(t, env.db, 30)
-
-			form := url.Values{}
-			form.Set("name", "metadata")
-			form.Set("type", string(database.TargetTypeHTTP))
-			form.Set("url", metadataURL)
-
-			w := serveTarget(
-				env, http.MethodPost,
-				"/hook/"+webhook.ID+"/targets", form,
-			)
-			assert.Equal(t, http.StatusBadRequest, w.Code)
-			assert.NotContains(
-				t, w.Body.String(), privateRefusalHint,
-			)
-		})
-	}
-}

internal/handlers/target_toggle_test.go

@@ -1,66 +0,0 @@
-package handlers_test
-
-import (
-	"net/http"
-	"net/http/httptest"
-	"testing"
-
-	"github.com/stretchr/testify/assert"
-	"github.com/stretchr/testify/require"
-	"gorm.io/gorm"
-)
-
-// TestHandleTargetToggle_DoesNotUndoAnEdit proves that a toggle which
-// loaded the target before an edit of it was saved does not write the
-// old name and settings back over the edit. The edit is submitted from
-// a callback on the toggle's own read of the target, so it is saved
-// after that read and before the toggle writes.
-func TestHandleTargetToggle_DoesNotUndoAnEdit(t *testing.T) {
-	t.Parallel()
-
-	env := setupSourceTest(t)
-	wh, tgt := seedHTTPTarget(t, env, "", "")
-	require.True(t, tgt.Active)
-
-	var (
-		edited   bool
-		editCode int
-	)
-
-	require.NoError(t, env.db.DB().Callback().Query().
-		After("gorm:query").
-		Register("test:edit_after_toggle_read", func(tx *gorm.DB) {
-			// The edit reads the target too; only the toggle's read,
-			// the first, submits it.
-			if tx.Statement.Table != "targets" || edited {
-				return
-			}
-
-			edited = true
-			editCode = submitTargetEdit(
-				env, wh.ID, tgt.ID,
-				editForm(editReplacedURL, "", ""),
-			).Code
-		}),
-	)
-
-	req := postRequest(
-		"/hook/"+wh.ID+"/targets/"+tgt.ID+"/toggle",
-		env.cookies,
-		map[string]string{paramSourceID: wh.ID, paramTargetID: tgt.ID},
-	)
-	w := httptest.NewRecorder()
-
-	env.handlers.HandleTargetToggle().ServeHTTP(w, req)
-
-	require.Equal(t, http.StatusSeeOther, w.Code)
-	require.Equal(t, http.StatusSeeOther, editCode)
-
-	stored := storedTarget(t, env, tgt.ID)
-	assert.False(t, stored.Active)
-	assert.Equal(t, "edited-name", stored.Name)
-	assert.Equal(t, 5, stored.MaxRetries)
-	assert.Equal(
-		t, editReplacedURL, storedHTTPConfig(t, env, tgt.ID).URL,
-	)
-}

internal/handlers/ui_copy_test.go

@@ -128,56 +128,6 @@ func TestEditPageUsesWebhookTerminology(t *testing.T) {
 	assert.Contains(t, body, `href="/hook/wh-1"`)
 }
 
-// TestEventLogPageIsCalledFullEventLog pins the one name the event log
-// page at /hook/{id}/events goes by: both links to it on the webhook
-// page, and its own heading, read "Full Event Log".
-func TestEventLogPageIsCalledFullEventLog(t *testing.T) {
-	t.Parallel()
-
-	var h *handlers.Handlers
-
-	var sess *session.Session
-
-	app := newTestApp(t, &h, &sess)
-	app.RequireStart()
-
-	t.Cleanup(app.RequireStop)
-
-	// A pointer, as in the handlers: source_detail.html calls
-	// Webhook.RetentionLabel, a pointer method. Both pages only range
-	// over their lists, and a list left out renders as empty, so the
-	// lists are left out.
-	webhook := &database.Webhook{Name: "wh", RetentionDays: 14}
-	webhook.ID = testWebhookID
-
-	detailBody := renderPage(
-		t, h, sess, "source_detail.html", map[string]any{
-			dataKeyWebhook: webhook,
-		},
-	)
-
-	assert.Contains(
-		t, detailBody,
-		`<a href="/hook/wh-1/events" class="btn-secondary">Full Event Log</a>`,
-		"the button at the top of the webhook page",
-	)
-	assert.Contains(
-		t, detailBody,
-		`<a href="/hook/wh-1/events" class="btn-text text-sm">Full Event Log</a>`,
-		"the link under recent events",
-	)
-
-	logBody := renderPage(t, h, sess, "source_logs.html", map[string]any{
-		dataKeyWebhook: webhook,
-		"TotalEvents":  int64(0),
-	})
-
-	assert.Contains(
-		t, logBody,
-		`<h1 class="text-2xl font-medium text-gray-900">Full Event Log</h1>`,
-	)
-}
-
 // TestCreateFormRetentionCopyMatchesBehaviour pins the create form's
 // retention copy to what the code does: the reaper permanently deletes
 // events past the cutoff, an empty field falls back to

internal/handlers/webhook.go

@@ -88,14 +88,14 @@ func (h *Handlers) processWebhookRequest(
 
 	headersJSON, err := json.Marshal(r.Header)
 	if err != nil {
-		h.receiverError(w, "failed to serialize headers", err)
+		h.serverError(w, "failed to serialize headers", err)
 
 		return
 	}
 
 	targets, err := h.loadActiveTargets(entrypoint.WebhookID)
 	if err != nil {
-		h.receiverError(w, "failed to query targets", err)
+		h.serverError(w, "failed to query targets", err)
 
 		return
 	}
@@ -150,9 +150,7 @@ func (h *Handlers) lookupEntrypoint(
 	return entrypoint, true
 }
 
-// readWebhookBody reads and validates the request body size. This is
+// readWebhookBody reads and validates the request body size.
-// the receiver's only body cap: /h/{uuid} has no MaxBodySize
-// middleware (see Server.setupWebhookRoutes).
 func (h *Handlers) readWebhookBody(
 	w http.ResponseWriter,
 	r *http.Request,
@@ -198,7 +196,7 @@ func (h *Handlers) createAndDeliverEvent(
 		targets,
 	)
 	if err != nil {
-		h.receiverError(w, "failed to store webhook event", err)
+		h.serverError(w, "failed to store webhook event", err)
 
 		return
 	}
@@ -206,19 +204,6 @@ func (h *Handlers) createAndDeliverEvent(
 	h.finishWebhookResponse(w, event, entrypoint, tasks)
 }
 
-// receiverError logs an error and answers the sender with a plain-text
-// 500. The receiver's answers are for programs, so it never sends the
-// error page the web UI uses.
-func (h *Handlers) receiverError(
-	w http.ResponseWriter, msg string, err error,
-) {
-	h.log.Error(msg, "error", err)
-	http.Error(
-		w, "Internal server error",
-		http.StatusInternalServerError,
-	)
-}
-
 // eventSource carries the fields a new event is built from. The
 // receiver fills it from the live request; the resubmit handler fills
 // it from a stored event. Both then go through createAndFanOut, so an
@@ -245,7 +230,6 @@ func (s eventSource) event() *database.Event {
 		Method:            s.Method,
 		Headers:           s.HeadersJSON,
 		Body:              string(s.Body),
-		BodyBytes:         int64(len(s.Body)),
 		ContentType:       s.ContentType,
 		ResubmittedFromID: s.ResubmittedFromID,
 	}
@@ -268,12 +252,11 @@ func requestEventSource(
 	}
 }
 
-// createAndFanOut writes the event and one pending delivery per target,
+// createAndFanOut writes the event and one pending delivery per target
-// and adds them to the webhook's running totals, in a single
+// in a single transaction, then hands the tasks to the delivery
-// transaction, then hands the tasks to the delivery engine. It is the
+// engine. It is the only path by which an event and its deliveries are
-// only path by which an event and its deliveries are created, so a
+// created, so a resubmitted event is retried, SSRF-guarded and
-// resubmitted event is retried, SSRF-guarded and circuit-broken
+// circuit-broken exactly as a received one is.
-// exactly as a received one is.
 //
 // The tasks are returned as well as queued, so a caller can report how
 // many targets the event went to.
@@ -313,15 +296,6 @@ func (h *Handlers) createAndFanOut(
 		return nil, nil, err
 	}
 
-	err = database.AddEventTotals(tx, database.EventTotals{
-		Events: 1, LastEventAt: &event.CreatedAt,
-	})
-	if err != nil {
-		tx.Rollback()
-
-		return nil, nil, err
-	}
-
 	err = tx.Commit().Error
 	if err != nil {
 		return nil, nil, fmt.Errorf(
@@ -380,9 +354,8 @@ func (h *Handlers) finishWebhookResponse(
 }
 
 // buildDeliveryTasks creates one pending delivery per target in the
-// transaction, adds each to its target's totals, and returns the tasks
+// transaction and returns the tasks for the delivery engine. The
-// for the delivery engine. The caller owns the transaction and rolls
+// caller owns the transaction and rolls it back on error.
-// it back on error.
 func buildDeliveryTasks(
 	tx *gorm.DB,
 	event *database.Event,
@@ -406,13 +379,6 @@ func buildDeliveryTasks(
 			)
 		}
 
-		err = database.AddTargetTotals(tx, database.TargetTotals{
-			TargetID: targets[i].ID, Deliveries: 1,
-		})
-		if err != nil {
-			return nil, err
-		}
-
 		tasks = append(tasks, delivery.Task{
 			DeliveryID:   dlv.ID,
 			EventID:      event.ID,

internal/handlers/webhook_stats.go

@@ -1,259 +0,0 @@
-package handlers
-
-import (
-	"fmt"
-	"time"
-
-	"gorm.io/gorm"
-	"sneak.berlin/go/webhooker/internal/database"
-)
-
-// The spans of the two recent windows the statistics pane reports on:
-// the last 10 minutes and the last 24 hours.
-const (
-	shortWindow = 10 * time.Minute
-	longWindow  = 24 * time.Hour
-)
-
-// percent turns a fraction into a percentage.
-const percent = 100
-
-// WebhookStats holds the figures in the statistics pane at the top of
-// the webhook page.
-type WebhookStats struct {
-	Entrypoints       int
-	ActiveEntrypoints int
-	Targets           int
-	ActiveTargets     int
-
-	// Lifetime counts every event, delivery and failure the webhook
-	// has had, and WithinRetention those still stored.
-	Lifetime        Counts
-	WithinRetention Counts
-
-	// InProgress counts the deliveries still pending or retrying.
-	InProgress int64
-
-	// LastEventAt is when the newest event arrived, or nil when none
-	// has. Retention does not change it.
-	LastEventAt *time.Time
-
-	Last10Minutes RecentWindow
-	Last24Hours   RecentWindow
-}
-
-// Counts holds a number of events, of deliveries and of failed
-// deliveries.
-type Counts struct {
-	Events     int64
-	Deliveries int64
-	Failures   int64
-}
-
-// RecentWindow holds what happened in one recent window: the events
-// received in it, and the deliveries that became delivered or failed in
-// it.
-type RecentWindow struct {
-	Events    int64
-	Delivered int64
-	Failed    int64
-}
-
-// TargetFinished is how many of one target's deliveries became
-// delivered, and how many failed, in a recent window.
-type TargetFinished struct {
-	TargetID  string
-	Delivered int64
-	Failed    int64
-}
-
-// FailurePercent is the share of the deliveries finished in the window
-// that failed, or a dash when none finished. Deliveries still pending
-// or retrying are not counted either way.
-func (w RecentWindow) FailurePercent() string {
-	finished := w.Delivered + w.Failed
-	if finished == 0 {
-		return "—"
-	}
-
-	return fmt.Sprintf(
-		"%.1f%%", percent*float64(w.Failed)/float64(finished),
-	)
-}
-
-// loadWebhookStats gathers the figures for the statistics pane from the
-// webhook's entrypoints and targets, as the page has already loaded
-// them, and from its event database. It returns nil, and logs why, when
-// the event database cannot be read.
-func (h *Handlers) loadWebhookStats(
-	webhookID string,
-	entrypoints []database.Entrypoint,
-	targets []database.Target,
-) *WebhookStats {
-	stats := &WebhookStats{
-		Entrypoints: len(entrypoints),
-		Targets:     len(targets),
-	}
-
-	for i := range entrypoints {
-		if entrypoints[i].Active {
-			stats.ActiveEntrypoints++
-		}
-	}
-
-	for i := range targets {
-		if targets[i].Active {
-			stats.ActiveTargets++
-		}
-	}
-
-	// Opening an event database that does not exist would create it,
-	// and it would hold nothing to count.
-	if !h.dbMgr.DBExists(webhookID) {
-		return stats
-	}
-
-	webhookDB, err := h.dbMgr.GetDB(webhookID)
-	if err == nil {
-		err = readEventStats(webhookDB, time.Now(), stats)
-	}
-
-	if err != nil {
-		h.log.Error(
-			"failed to read webhook statistics",
-			"webhook_id", webhookID,
-			"error", err,
-		)
-
-		return nil
-	}
-
-	return stats
-}
-
-// readEventStats fills in the figures that come from the webhook's
-// event database. None of them reads every stored row: the totals are
-// one row for the events and one per target for the deliveries, and
-// every other figure is read from an index, over only the rows it
-// counts.
-func readEventStats(
-	db *gorm.DB, now time.Time, stats *WebhookStats,
-) error {
-	err := readTotals(db, stats)
-	if err != nil {
-		return err
-	}
-
-	err = db.Model(&database.Delivery{}).
-		Where("status IN ?", []database.DeliveryStatus{
-			database.DeliveryStatusPending,
-			database.DeliveryStatusRetrying,
-		}).
-		Count(&stats.InProgress).Error
-	if err != nil {
-		return fmt.Errorf("counting deliveries in progress: %w", err)
-	}
-
-	stats.Last10Minutes, err = readRecentWindow(
-		db, now.Add(-shortWindow),
-	)
-	if err != nil {
-		return err
-	}
-
-	stats.Last24Hours, err = readRecentWindow(
-		db, now.Add(-longWindow),
-	)
-
-	return err
-}
-
-// readTotals fills in the lifetime and within-retention figures, and
-// when the last event arrived, from the running totals: the events'
-// row, and the targets' rows summed.
-func readTotals(db *gorm.DB, stats *WebhookStats) error {
-	var events database.EventTotals
-
-	err := db.Take(&events).Error
-	if err != nil {
-		return fmt.Errorf("reading event totals: %w", err)
-	}
-
-	var targets []database.TargetTotals
-
-	err = db.Find(&targets).Error
-	if err != nil {
-		return fmt.Errorf("reading target totals: %w", err)
-	}
-
-	stats.Lifetime.Events = events.Events
-	stats.WithinRetention.Events = events.Events - events.EventsRemoved
-	stats.LastEventAt = events.LastEventAt
-
-	for _, t := range targets {
-		stats.Lifetime.Deliveries += t.Deliveries
-		stats.Lifetime.Failures += t.Failed
-		stats.WithinRetention.Deliveries += t.Deliveries - t.DeliveriesRemoved
-		stats.WithinRetention.Failures += t.Failed - t.FailedRemoved
-	}
-
-	return nil
-}
-
-// readRecentWindow counts the events received, and the deliveries that
-// became delivered or failed, since the given time.
-func readRecentWindow(
-	db *gorm.DB, since time.Time,
-) (RecentWindow, error) {
-	var w RecentWindow
-
-	err := db.Model(&database.Event{}).
-		Where("created_at >= ?", since).
-		Count(&w.Events).Error
-	if err != nil {
-		return w, fmt.Errorf("counting recent events: %w", err)
-	}
-
-	byTarget, err := finishedByTarget(db, since)
-	if err != nil {
-		return w, err
-	}
-
-	for _, f := range byTarget {
-		w.Delivered += f.Delivered
-		w.Failed += f.Failed
-	}
-
-	return w, nil
-}
-
-// finishedByTarget counts, for each target, the deliveries that became
-// delivered and those that failed since the given time, in one query
-// over just that window of the deliveries' status index. A target with
-// neither is left out.
-func finishedByTarget(
-	db *gorm.DB, since time.Time,
-) ([]TargetFinished, error) {
-	var byTarget []TargetFinished
-
-	err := db.Model(&database.Delivery{}).
-		Select("target_id, "+
-			"count(CASE WHEN status = ? THEN 1 END) AS delivered, "+
-			"count(CASE WHEN status = ? THEN 1 END) AS failed",
-			database.DeliveryStatusDelivered,
-			database.DeliveryStatusFailed).
-		Where("status IN ? AND finished_at >= ?",
-			[]database.DeliveryStatus{
-				database.DeliveryStatusDelivered,
-				database.DeliveryStatusFailed,
-			}, since).
-		Group("target_id").
-		Find(&byTarget).Error
-	if err != nil {
-		return nil, fmt.Errorf(
-			"counting deliveries finished by target: %w", err,
-		)
-	}
-
-	return byTarget, nil
-}

internal/handlers/webhook_stats_test.go

@@ -1,569 +0,0 @@
-package handlers_test
-
-import (
-	"net/http"
-	"regexp"
-	"strings"
-	"testing"
-	"time"
-
-	"github.com/google/uuid"
-	"github.com/stretchr/testify/assert"
-	"github.com/stretchr/testify/require"
-	"go.uber.org/fx/fxtest"
-	"gorm.io/gorm"
-	"gorm.io/gorm/clause"
-	"sneak.berlin/go/webhooker/internal/config"
-	"sneak.berlin/go/webhooker/internal/database"
-	"sneak.berlin/go/webhooker/internal/handlers"
-	"sneak.berlin/go/webhooker/internal/logger"
-	"sneak.berlin/go/webhooker/internal/session"
-)
-
-// statsEntrypoint adds an entrypoint to a webhook and returns its path.
-func statsEntrypoint(
-	t *testing.T, db *database.Database, webhookID string, active bool,
-) string {
-	t.Helper()
-
-	ep := &database.Entrypoint{
-		WebhookID: webhookID,
-		Path:      uuid.New().String(),
-	}
-
-	require.NoError(t, db.DB().Omit(clause.Associations).Create(ep).Error)
-	require.NoError(t, db.DB().Model(ep).Update("active", active).Error)
-
-	return ep.Path
-}
-
-// statsDelivery returns an event's delivery to a target.
-func statsDelivery(
-	t *testing.T, webhookDB *gorm.DB, eventID, targetID string,
-) database.Delivery {
-	t.Helper()
-
-	var d database.Delivery
-
-	require.NoError(t, webhookDB.Where(
-		"event_id = ? AND target_id = ?", eventID, targetID,
-	).First(&d).Error)
-
-	return d
-}
-
-// statsFinish settles a delivery as the delivery engine does: its
-// final status and the time it finished, and one more on its target's
-// delivered or failed total, in one transaction.
-func statsFinish(
-	t *testing.T,
-	webhookDB *gorm.DB,
-	d database.Delivery,
-	status database.DeliveryStatus,
-	at time.Time,
-) {
-	t.Helper()
-
-	add := database.TargetTotals{TargetID: d.TargetID, Delivered: 1}
-	if status == database.DeliveryStatusFailed {
-		add = database.TargetTotals{TargetID: d.TargetID, Failed: 1}
-	}
-
-	require.NoError(t, webhookDB.Transaction(func(tx *gorm.DB) error {
-		err := tx.Model(&database.Delivery{}).
-			Where("id = ?", d.ID).
-			Updates(map[string]any{"status": status, "finished_at": at}).
-			Error
-		if err != nil {
-			return err
-		}
-
-		return database.AddTargetTotals(tx, add)
-	}))
-}
-
-// statsAge moves an event's arrival back to the given time.
-func statsAge(
-	t *testing.T, webhookDB *gorm.DB, eventID string, at time.Time,
-) {
-	t.Helper()
-
-	require.NoError(t, webhookDB.Model(&database.Event{}).
-		Where("id = ?", eventID).
-		Update("created_at", at).Error)
-}
-
-// statsTargetTotals reads a webhook database's target totals, keyed by
-// target.
-func statsTargetTotals(
-	t *testing.T, webhookDB *gorm.DB,
-) map[string]database.TargetTotals {
-	t.Helper()
-
-	var rows []database.TargetTotals
-
-	require.NoError(t, webhookDB.Find(&rows).Error)
-
-	byTarget := make(map[string]database.TargetTotals, len(rows))
-	for _, row := range rows {
-		byTarget[row.TargetID] = row
-	}
-
-	return byTarget
-}
-
-// statsHistory is the webhook seedStatsHistory builds: its event
-// database, its newest event, and its two active targets.
-type statsHistory struct {
-	webhook       *database.Webhook
-	webhookDB     *gorm.DB
-	newest        database.Event
-	first, second string
-}
-
-// seedStatsHistory builds the webhook the statistics test checks: 14
-// days of retention, twelve entrypoints (one inactive) and six targets
-// (four inactive). Ten events arrive through the receiver, and so each
-// has a delivery to the two active targets. The oldest event is past
-// retention, the next 30 hours old, the next six hours old, the other
-// seven just in. Six deliveries are settled as the delivery engine
-// would, two of them inside a recent window though their event arrived
-// before it. The newest event's delivery to the second target is
-// retrying, the rest are left pending, and a replay adds a pending
-// delivery to the oldest event. Once retention has removed the oldest
-// event, every figure in the pane differs from every other.
-func seedStatsHistory(
-	t *testing.T,
-	h *handlers.Handlers,
-	sess *session.Session,
-	db *database.Database,
-	dbMgr *database.WebhookDBManager,
-) statsHistory {
-	t.Helper()
-
-	wh := &database.Webhook{UserID: deleteTestUserID, Name: "stats", RetentionDays: 14}
-	require.NoError(t, db.DB().Omit(clause.Associations).Create(wh).Error)
-
-	path := statsEntrypoint(t, db, wh.ID, true)
-	for range 10 {
-		statsEntrypoint(t, db, wh.ID, true)
-	}
-
-	statsEntrypoint(t, db, wh.ID, false)
-
-	first := seedConfiguredTarget(
-		t, db, wh.ID, database.TargetTypeHTTP,
-		`{"url":"`+replayTargetURL+`"}`,
-	)
-	second := seedTarget(t, db, wh.ID, database.TargetTypeLog)
-
-	for range 4 {
-		inactive := seedTarget(t, db, wh.ID, database.TargetTypeLog)
-		require.NoError(t, db.DB().Model(inactive).
-			Update("active", false).Error)
-	}
-
-	router := receiverRouter(h)
-
-	for range 10 {
-		require.Equal(t, http.StatusOK, postReceiver(t, router, path))
-	}
-
-	webhookDB, err := dbMgr.GetDB(wh.ID)
-	require.NoError(t, err)
-
-	events := listEvents(t, webhookDB)
-	require.Len(t, events, 10)
-
-	oldest, yesterday, middle, newest := events[0], events[1], events[2], events[9]
-	now := time.Now()
-
-	statsAge(t, webhookDB, oldest.ID, now.Add(-15*24*time.Hour))
-	statsAge(t, webhookDB, yesterday.ID, now.Add(-30*time.Hour))
-	statsAge(t, webhookDB, middle.ID, now.Add(-6*time.Hour))
-
-	oldestFailure := statsDelivery(t, webhookDB, oldest.ID, first.ID)
-	statsFinish(t, webhookDB, oldestFailure,
-		database.DeliveryStatusFailed, now.Add(-14*24*time.Hour))
-	statsFinish(t, webhookDB,
-		statsDelivery(t, webhookDB, yesterday.ID, first.ID),
-		database.DeliveryStatusFailed, now.Add(-29*time.Hour))
-	statsFinish(t, webhookDB,
-		statsDelivery(t, webhookDB, yesterday.ID, second.ID),
-		database.DeliveryStatusFailed, now.Add(-23*time.Hour))
-	statsFinish(t, webhookDB,
-		statsDelivery(t, webhookDB, middle.ID, second.ID),
-		database.DeliveryStatusFailed, now.Add(-5*time.Hour))
-	statsFinish(t, webhookDB,
-		statsDelivery(t, webhookDB, middle.ID, first.ID),
-		database.DeliveryStatusFailed, now.Add(-time.Minute))
-	statsFinish(t, webhookDB,
-		statsDelivery(t, webhookDB, newest.ID, first.ID),
-		database.DeliveryStatusDelivered, now.Add(-2*time.Minute))
-
-	retrying := statsDelivery(t, webhookDB, newest.ID, second.ID)
-	require.NoError(t, webhookDB.Model(&retrying).
-		Update("status", database.DeliveryStatusRetrying).Error)
-
-	require.Equal(t, http.StatusSeeOther,
-		postReplay(t, h, sess, wh.ID, oldestFailure.ID).Code)
-
-	return statsHistory{
-		webhook: wh, webhookDB: webhookDB, newest: newest,
-		first: first.ID, second: second.ID,
-	}
-}
-
-// statsPrune runs the real retention reaper until it has removed one
-// event from the webhook's database, then stops it.
-func statsPrune(
-	t *testing.T,
-	db *database.Database,
-	dbMgr *database.WebhookDBManager,
-	log *logger.Logger,
-	webhookDB *gorm.DB,
-) {
-	t.Helper()
-
-	lc := fxtest.NewLifecycle(t)
-	database.NewRetentionReaper(lc, database.RetentionReaperParams{
-		Config: &config.Config{
-			RetentionSweepInterval: 10 * time.Millisecond,
-		},
-		Database:  db,
-		DBManager: dbMgr,
-		Logger:    log,
-	})
-
-	lc.RequireStart()
-
-	require.Eventually(t, func() bool {
-		var totals database.EventTotals
-
-		err := webhookDB.Take(&totals).Error
-
-		return err == nil && totals.EventsRemoved == 1
-	}, 10*time.Second, 10*time.Millisecond)
-
-	lc.RequireStop()
-}
-
-// statsPane returns the text of the statistics pane in a rendered
-// webhook page, everything from its heading to the next heading on the
-// page, with the markup taken out and each run of space made one
-// space. A table then reads header by header and row by row, each
-// row's label followed by its figures in column order.
-func statsPane(t *testing.T, page string) string {
-	t.Helper()
-
-	_, pane, found := strings.Cut(page, ">Statistics</h2>")
-	require.True(t, found, "the page has no statistics pane")
-
-	pane, _, _ = strings.Cut(pane, "<h2")
-	pane = regexp.MustCompile(`<[^>]*>`).ReplaceAllString(pane, " ")
-
-	return strings.Join(strings.Fields(pane), " ")
-}
-
-// assertStatsTargets checks, for the history seedStatsHistory builds,
-// each target's totals and its deliveries finished in the last 24
-// hours. The first target has ten deliveries and the replay, the
-// second ten; the inactive targets have none and so no row.
-func assertStatsTargets(t *testing.T, hist statsHistory) {
-	t.Helper()
-
-	first, second := hist.first, hist.second
-
-	assert.Equal(t, map[string]database.TargetTotals{
-		first:  {TargetID: first, Deliveries: 11, Delivered: 1, Failed: 3},
-		second: {TargetID: second, Deliveries: 10, Failed: 2},
-	}, statsTargetTotals(t, hist.webhookDB))
-
-	lastDay, err := handlers.FinishedByTargetForTest(
-		hist.webhookDB, time.Now().Add(-24*time.Hour),
-	)
-	require.NoError(t, err)
-	assert.ElementsMatch(t, []handlers.TargetFinished{
-		{TargetID: first, Delivered: 1, Failed: 1},
-		{TargetID: second, Failed: 2},
-	}, lastDay)
-}
-
-// assertStatsPaneAfterPrune checks the rendered statistics pane for the
-// history seedStatsHistory builds, once retention has removed the
-// oldest event: each figure after its label, in its column.
-func assertStatsPaneAfterPrune(
-	t *testing.T,
-	h *handlers.Handlers,
-	sess *session.Session,
-	hist statsHistory,
-) {
-	t.Helper()
-
-	pane := statsPane(t, renderSourceDetailPage(t, h, sess, hist.webhook.ID))
-	lastEvent := hist.newest.CreatedAt.UTC().Format("2006-01-02 15:04:05 UTC")
-
-	assert.Contains(t, pane, "Entrypoints 12 (11 active) "+
-		"Targets 6 (2 active) "+
-		"Deliveries in progress 13 "+
-		"Last event "+lastEvent+" "+
-		"Retention 14 days")
-	assert.Contains(t, pane, "Lifetime Within retention "+
-		"Events 10 9 "+
-		"Deliveries 21 18 "+
-		"Failures 5 4")
-	assert.Contains(t, pane, "Last 10 minutes Last 24 hours "+
-		"Events 7 8 "+
-		"Failures 1 3 "+
-		"Failure percentage 50.0% 75.0%")
-}
-
-// TestWebhookStats_EveryFigureAcrossRetentionPrune checks every figure
-// the statistics pane shows for the history seedStatsHistory builds,
-// and each target's totals and recent figures, before and after the
-// real retention reaper removes the oldest event.
-func TestWebhookStats_EveryFigureAcrossRetentionPrune(t *testing.T) {
-	t.Parallel()
-
-	var (
-		h     *handlers.Handlers
-		sess  *session.Session
-		db    *database.Database
-		dbMgr *database.WebhookDBManager
-		log   *logger.Logger
-	)
-
-	app := newTestApp(t, &h, &sess, &db, &dbMgr, &log)
-	app.RequireStart()
-
-	t.Cleanup(app.RequireStop)
-
-	hist := seedStatsHistory(t, h, sess, db, dbMgr)
-	first, second := hist.first, hist.second
-
-	stats := h.WebhookStatsForTest(hist.webhook.ID)
-	require.NotNil(t, stats)
-
-	assert.Equal(t, 12, stats.Entrypoints)
-	assert.Equal(t, 11, stats.ActiveEntrypoints)
-	assert.Equal(t, 6, stats.Targets)
-	assert.Equal(t, 2, stats.ActiveTargets)
-	assert.Equal(t, handlers.Counts{Events: 10, Deliveries: 21, Failures: 5},
-		stats.Lifetime)
-	assert.Equal(t, stats.Lifetime, stats.WithinRetention)
-	assert.Equal(t, int64(15), stats.InProgress)
-	require.NotNil(t, stats.LastEventAt)
-	assert.True(t, hist.newest.CreatedAt.Equal(*stats.LastEventAt))
-	assert.Equal(t, handlers.RecentWindow{
-		Events: 7, Delivered: 1, Failed: 1,
-	}, stats.Last10Minutes)
-	assert.Equal(t, handlers.RecentWindow{
-		Events: 8, Delivered: 1, Failed: 3,
-	}, stats.Last24Hours)
-	assert.Equal(t, "50.0%", stats.Last10Minutes.FailurePercent())
-	assert.Equal(t, "75.0%", stats.Last24Hours.FailurePercent())
-
-	assertStatsTargets(t, hist)
-
-	// Retention removes the oldest event with its three deliveries:
-	// the first target's failed one and the pending replay, and the
-	// second target's pending one.
-	statsPrune(t, db, dbMgr, log, hist.webhookDB)
-
-	after := h.WebhookStatsForTest(hist.webhook.ID)
-	require.NotNil(t, after)
-
-	assert.Equal(t, stats.Lifetime, after.Lifetime)
-	assert.Equal(t, handlers.Counts{Events: 9, Deliveries: 18, Failures: 4},
-		after.WithinRetention)
-	assert.Equal(t, int64(13), after.InProgress)
-	assert.Equal(t, stats.LastEventAt, after.LastEventAt)
-	assert.Equal(t, stats.Last10Minutes, after.Last10Minutes)
-	assert.Equal(t, stats.Last24Hours, after.Last24Hours)
-
-	assert.Equal(t, map[string]database.TargetTotals{
-		first: {
-			TargetID: first, Deliveries: 11, Delivered: 1, Failed: 3,
-			DeliveriesRemoved: 2, FailedRemoved: 1,
-		},
-		second: {
-			TargetID: second, Deliveries: 10, Failed: 2,
-			DeliveriesRemoved: 1,
-		},
-	}, statsTargetTotals(t, hist.webhookDB))
-
-	assertStatsPaneAfterPrune(t, h, sess, hist)
-}
-
-// TestWebhookStats_LastEventSurvivesPruningEveryEvent checks that once
-// retention has removed every event, the pane still shows when the last
-// one arrived rather than "none".
-func TestWebhookStats_LastEventSurvivesPruningEveryEvent(t *testing.T) {
-	t.Parallel()
-
-	var (
-		h     *handlers.Handlers
-		sess  *session.Session
-		db    *database.Database
-		dbMgr *database.WebhookDBManager
-		log   *logger.Logger
-	)
-
-	app := newTestApp(t, &h, &sess, &db, &dbMgr, &log)
-	app.RequireStart()
-
-	t.Cleanup(app.RequireStop)
-
-	wh := &database.Webhook{
-		UserID: deleteTestUserID, Name: "pruned", RetentionDays: 1,
-	}
-	require.NoError(t, db.DB().Omit(clause.Associations).Create(wh).Error)
-
-	path := statsEntrypoint(t, db, wh.ID, true)
-	require.Equal(t, http.StatusOK,
-		postReceiver(t, receiverRouter(h), path))
-
-	webhookDB, err := dbMgr.GetDB(wh.ID)
-	require.NoError(t, err)
-
-	events := listEvents(t, webhookDB)
-	require.Len(t, events, 1)
-
-	arrived := events[0].CreatedAt
-
-	statsAge(t, webhookDB, events[0].ID, time.Now().Add(-50*time.Hour))
-	statsPrune(t, db, dbMgr, log, webhookDB)
-	require.Empty(t, listEvents(t, webhookDB))
-
-	stats := h.WebhookStatsForTest(wh.ID)
-	require.NotNil(t, stats)
-	require.NotNil(t, stats.LastEventAt)
-	assert.True(t, arrived.Equal(*stats.LastEventAt))
-
-	pane := statsPane(t, renderSourceDetailPage(t, h, sess, wh.ID))
-	assert.Contains(t, pane,
-		"Last event "+arrived.UTC().Format("2006-01-02 15:04:05 UTC"))
-}
-
-// TestWebhookStats_LastEventInUTC checks that the pane shows when the
-// last event arrived in UTC, as the event list does, when the time was
-// stored in another zone, as it is on a host whose local time is not
-// UTC.
-func TestWebhookStats_LastEventInUTC(t *testing.T) {
-	t.Parallel()
-
-	var (
-		h     *handlers.Handlers
-		sess  *session.Session
-		db    *database.Database
-		dbMgr *database.WebhookDBManager
-	)
-
-	app := newTestApp(t, &h, &sess, &db, &dbMgr)
-	app.RequireStart()
-
-	t.Cleanup(app.RequireStop)
-
-	wh := seedWebhook(t, db)
-
-	webhookDB, err := dbMgr.GetDB(wh.ID)
-	require.NoError(t, err)
-
-	arrived := time.Date(2026, time.March, 4, 22, 30, 0, 0,
-		time.FixedZone("EST", -5*60*60))
-	require.NoError(t, database.AddEventTotals(webhookDB,
-		database.EventTotals{Events: 1, LastEventAt: &arrived}))
-
-	pane := statsPane(t, renderSourceDetailPage(t, h, sess, wh.ID))
-	assert.Contains(t, pane, "Last event 2026-03-05 03:30:00 UTC")
-}
-
-// TestWebhookStats_PaneShowsRetentionPeriod checks that the statistics
-// pane itself, not only the line at the foot of the page, shows the
-// webhook's retention period, for a finite one and for forever.
-func TestWebhookStats_PaneShowsRetentionPeriod(t *testing.T) {
-	t.Parallel()
-
-	var (
-		h    *handlers.Handlers
-		sess *session.Session
-		db   *database.Database
-	)
-
-	app := newTestApp(t, &h, &sess, &db)
-	app.RequireStart()
-
-	t.Cleanup(app.RequireStop)
-
-	tests := []struct {
-		retentionDays int
-		want          string
-	}{
-		{30, "30 days"},
-		{database.RetentionForeverDays, "forever"},
-	}
-
-	for _, tt := range tests {
-		wh := &database.Webhook{
-			UserID:        deleteTestUserID,
-			Name:          "retention",
-			RetentionDays: tt.retentionDays,
-		}
-		require.NoError(t,
-			db.DB().Omit(clause.Associations).Create(wh).Error)
-
-		pane := statsPane(t, renderSourceDetailPage(t, h, sess, wh.ID))
-		assert.Contains(t, pane, "Retention "+tt.want)
-	}
-}
-
-// TestWebhookStats_WebhookWithNoEvents covers a webhook whose event
-// database has never been opened: every count is zero, the
-// percentages are a dash, and showing the page does not create the
-// database.
-func TestWebhookStats_WebhookWithNoEvents(t *testing.T) {
-	t.Parallel()
-
-	var (
-		h     *handlers.Handlers
-		sess  *session.Session
-		db    *database.Database
-		dbMgr *database.WebhookDBManager
-	)
-
-	app := newTestApp(t, &h, &sess, &db, &dbMgr)
-	app.RequireStart()
-
-	t.Cleanup(app.RequireStop)
-
-	wh := seedWebhook(t, db)
-
-	assert.Equal(t, &handlers.WebhookStats{}, h.WebhookStatsForTest(wh.ID))
-	assert.Equal(t, "—", handlers.RecentWindow{}.FailurePercent())
-
-	pane := statsPane(t, renderSourceDetailPage(t, h, sess, wh.ID))
-	assert.Contains(t, pane, "Last event none")
-	assert.Contains(t, pane, "Failure percentage — —")
-	assert.False(t, dbMgr.DBExists(wh.ID))
-}
-
-// TestRecentWindow_FailurePercent pins the percentage: failed
-// deliveries out of all that finished in the window.
-func TestRecentWindow_FailurePercent(t *testing.T) {
-	t.Parallel()
-
-	tests := []struct {
-		window handlers.RecentWindow
-		want   string
-	}{
-		{handlers.RecentWindow{}, "—"},
-		{handlers.RecentWindow{Events: 4}, "—"},
-		{handlers.RecentWindow{Delivered: 3, Failed: 1}, "25.0%"},
-		{handlers.RecentWindow{Failed: 2}, "100.0%"},
-		{handlers.RecentWindow{Delivered: 2}, "0.0%"},
-	}
-
-	for _, tt := range tests {
-		assert.Equal(t, tt.want, tt.window.FailurePercent(), tt.window)
-	}
-}

internal/healthcheck/healthcheck.go

@@ -7,6 +7,7 @@ import (
 	"time"
 
 	"go.uber.org/fx"
+	"sneak.berlin/go/webhooker/internal/config"
 	"sneak.berlin/go/webhooker/internal/database"
 	"sneak.berlin/go/webhooker/internal/globals"
 	"sneak.berlin/go/webhooker/internal/logger"
@@ -17,6 +18,7 @@ type HealthcheckParams struct {
 	fx.In
 
 	Globals  *globals.Globals
+	Config   *config.Config
 	Logger   *logger.Logger
 	Database *database.Database
 }
@@ -62,6 +64,7 @@ func (s *Healthcheck) Healthcheck() *Response {
 		UptimeHuman:   s.uptime().String(),
 		Appname:       s.params.Globals.Appname,
 		Version:       s.params.Globals.Version,
+		Maintenance:   s.params.Config.MaintenanceMode,
 	}
 
 	return resp
@@ -75,6 +78,7 @@ type Response struct {
 	UptimeHuman   string `json:"uptimeHuman"`
 	Version       string `json:"version"`
 	Appname       string `json:"appname"`
+	Maintenance   bool   `json:"maintenanceMode"`
 }
 
 func (s *Healthcheck) uptime() time.Duration {

internal/metrics/metrics.go

@@ -3,18 +3,17 @@
 // deliveries are attempted, how they end, how long they take, how
 // deep the queues are, and how many circuit breakers are open.
 //
-// It also builds the registry the authenticated /metrics route
+// The inbound HTTP metrics come from the go-http-metrics recorder in
-// serves. In production, these collectors, the inbound HTTP metrics
+// internal/middleware and land on prometheus.DefaultRegisterer. These
-// recorded in internal/middleware, and the Go runtime and process
+// collectors register there too, so both surfaces are gathered by the
-// collectors all register on that one registry, never on Prometheus's
+// one promhttp handler mounted on the authenticated /metrics route.
-// global default.
 package metrics
 
 import (
+	"sync"
 	"time"
 
 	"github.com/prometheus/client_golang/prometheus"
-	"github.com/prometheus/client_golang/prometheus/collectors"
 	"github.com/prometheus/client_golang/prometheus/promauto"
 	"sneak.berlin/go/webhooker/internal/database"
 )
@@ -58,31 +57,25 @@ var knownTargetTypes = []database.TargetType{
 	database.TargetTypeSlack,
 }
 
-// NewRegistry returns the registry /metrics serves, carrying the Go
+// defaultSet is the process-wide metric set, registered on the same
-// runtime and process collectors that Prometheus's global default
+// registry the HTTP middleware and the /metrics handler already use.
-// registry carries, so the go_* and process_* series stay in the
+// It is built on first use rather than in an init so that a test
-// scrape.
+// binary that never touches metrics never registers them.
 //
-// A registry of its own, rather than the global default, is what lets
+//nolint:gochecknoglobals // one process-wide registration, by design
-// two dependency graphs in one process — two tests, say — each
+var defaultSet = sync.OnceValue(func() *Set {
-// register their collectors without the second registration
+	return New(prometheus.DefaultRegisterer)
-// panicking.
+})
-func NewRegistry() *prometheus.Registry {
-	reg := prometheus.NewRegistry()
-	reg.MustRegister(
-		collectors.NewGoCollector(),
-		collectors.NewProcessCollector(
-			collectors.ProcessCollectorOpts{},
-		),
-	)
 
-	return reg
+// Default returns the process-wide metric set.
+func Default() *Set {
+	return defaultSet()
 }
 
 // Set is one registered group of webhooker's delivery collectors.
-// Production builds one on the registry /metrics serves; tests build
+// Production uses the single Default set; tests build their own
-// one on a registry of their own so they can gather what their own
+// against a private registry so assertions are not disturbed by
-// deliveries recorded.
+// deliveries other tests are making concurrently.
 type Set struct {
 	eventsReceived      prometheus.Counter
 	deliveryAttempts    *prometheus.CounterVec
@@ -100,7 +93,7 @@ type Set struct {
 // New registers a full set of delivery collectors on reg and returns
 // it. It panics if reg already holds them, which is the intended
 // behaviour for a duplicate registration.
-func New(reg *prometheus.Registry) *Set {
+func New(reg prometheus.Registerer) *Set {
 	factory := promauto.With(reg)
 
 	s := &Set{
@@ -384,7 +377,6 @@ func (s *Set) initSeries() {
 		s.deliveriesFailed.WithLabelValues(label)
 		s.deliveryRetries.WithLabelValues(label)
 		s.deliveryReplays.WithLabelValues(label)
-		s.deliveryDuration.WithLabelValues(label)
 		s.deliveriesPending.WithLabelValues(label)
 		s.deliveriesRetrying.WithLabelValues(label)
 		s.circuitBreakersOpen.WithLabelValues(label)

internal/metrics/metrics_test.go

@@ -167,7 +167,6 @@ func TestKnownSeriesExistBeforeAnyDelivery(t *testing.T) {
 		"webhooker_deliveries_succeeded_total",
 		"webhooker_deliveries_failed_total",
 		"webhooker_delivery_retries_total",
-		"webhooker_delivery_duration_seconds",
 		"webhooker_circuit_breakers_open",
 	} {
 		assert.ElementsMatch(t,

internal/middleware/csrf.go

@@ -19,7 +19,7 @@ func CSRFToken(r *http.Request) string {
 // key to sign a CSRF cookie and validates a masked token submitted via
 // the "csrf_token" form field (or the "X-CSRF-Token" header) on
 // POST/PUT/PATCH/DELETE requests. Requests with an invalid or missing
-// token are logged and answered by forbidden, which must write the 403.
+// token receive a 403 Forbidden response.
 //
 // The middleware detects the client-facing transport protocol
 // per-request via reqtls.IsTLS, the single TLS predicate the session
@@ -36,9 +36,7 @@ func CSRFToken(r *http.Request) string {
 // Two gorilla/csrf instances are maintained — one with Secure cookies
 // (for TLS) and one without (for plaintext HTTP) — because the
 // csrf.Secure option is set at creation time, not per-request.
-func (m *Middleware) CSRF(
+func (m *Middleware) CSRF() func(http.Handler) http.Handler {
-	forbidden http.Handler,
-) func(http.Handler) http.Handler {
 	csrfErrorHandler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
 		// CSRF is registered ahead of RequireAuth on every route
 		// group that uses it, so this WARN is reachable by an
@@ -59,7 +57,7 @@ func (m *Middleware) CSRF(
 			"remote_addr", r.RemoteAddr,
 			"reason", csrf.FailureReason(r),
 		)
-		forbidden.ServeHTTP(w, r)
+		http.Error(w, "Forbidden - invalid CSRF token", http.StatusForbidden)
 	})
 
 	key := m.session.GetKey()

internal/middleware/csrf_test.go

@@ -18,12 +18,6 @@ import (
 // csrfCookieName is the gorilla/csrf cookie name.
 const csrfCookieName = "_gorilla_csrf"
 
-// forbidden stands in for the error page the server hands CSRF to
-// answer a refused request with.
-func forbidden(w http.ResponseWriter, _ *http.Request) {
-	w.WriteHeader(http.StatusForbidden)
-}
-
 // csrfGetToken performs a GET request through the CSRF middleware
 // and returns the token and cookies.
 func csrfGetToken(
@@ -104,7 +98,7 @@ func TestCSRF_GETSetsToken(t *testing.T) {
 
 	var gotToken string
 
-	handler := m.CSRF(http.HandlerFunc(forbidden))(http.HandlerFunc(
+	handler := m.CSRF()(http.HandlerFunc(
 		func(_ http.ResponseWriter, r *http.Request) {
 			gotToken = middleware.CSRFToken(r)
 		},
@@ -126,7 +120,7 @@ func TestCSRF_POSTWithValidToken(t *testing.T) {
 	t.Parallel()
 
 	m, _ := testMiddleware(t, config.EnvironmentDev)
-	csrfMW := m.CSRF(http.HandlerFunc(forbidden))
+	csrfMW := m.CSRF()
 
 	getReq := httptest.NewRequestWithContext(
 		context.Background(),
@@ -158,7 +152,7 @@ func csrfPOSTWithoutTokenTest(
 	t.Helper()
 
 	m, _ := testMiddleware(t, env)
-	csrfMW := m.CSRF(http.HandlerFunc(forbidden))
+	csrfMW := m.CSRF()
 
 	// GET to establish the CSRF cookie
 	getHandler := csrfMW(http.HandlerFunc(
@@ -215,7 +209,7 @@ func TestCSRF_POSTWithInvalidToken(t *testing.T) {
 	t.Parallel()
 
 	m, _ := testMiddleware(t, config.EnvironmentDev)
-	csrfMW := m.CSRF(http.HandlerFunc(forbidden))
+	csrfMW := m.CSRF()
 
 	// GET to establish the CSRF cookie
 	getHandler := csrfMW(http.HandlerFunc(
@@ -271,7 +265,7 @@ func TestCSRF_GETDoesNotValidate(t *testing.T) {
 
 	var called bool
 
-	handler := m.CSRF(http.HandlerFunc(forbidden))(http.HandlerFunc(
+	handler := m.CSRF()(http.HandlerFunc(
 		func(_ http.ResponseWriter, _ *http.Request) {
 			called = true
 		},
@@ -334,7 +328,7 @@ func csrfTookStrictPath(
 	t.Helper()
 
 	m, _ := testMiddleware(t, env)
-	csrfMW := m.CSRF(http.HandlerFunc(forbidden))
+	csrfMW := m.CSRF()
 
 	newReq := func(method string) *http.Request {
 		r := httptest.NewRequestWithContext(
@@ -483,7 +477,7 @@ func TestCSRF_ProdMode_PlaintextHTTP_POSTWithValidToken(
 	t.Parallel()
 
 	m, _ := testMiddleware(t, config.EnvironmentProd)
-	csrfMW := m.CSRF(http.HandlerFunc(forbidden))
+	csrfMW := m.CSRF()
 
 	getReq := httptest.NewRequestWithContext(
 		context.Background(),
@@ -523,7 +517,7 @@ func TestCSRF_ProdMode_BehindProxy_POSTWithValidToken(
 	t.Parallel()
 
 	m, _ := testMiddleware(t, config.EnvironmentProd)
-	csrfMW := m.CSRF(http.HandlerFunc(forbidden))
+	csrfMW := m.CSRF()
 
 	getReq := httptest.NewRequestWithContext(
 		context.Background(),
@@ -568,7 +562,7 @@ func TestCSRF_ProdMode_DirectTLS_POSTWithValidToken(
 	t.Parallel()
 
 	m, _ := testMiddleware(t, config.EnvironmentProd)
-	csrfMW := m.CSRF(http.HandlerFunc(forbidden))
+	csrfMW := m.CSRF()
 
 	getReq := httptest.NewRequestWithContext(
 		context.Background(),

internal/middleware/export_test.go

@@ -10,7 +10,8 @@ import (
 
 // MetricsMiddlewareForTest builds the metrics recording middleware
 // against a caller-supplied recorder, so a test can gather from its
-// own Prometheus registry without building a whole Middleware.
+// own Prometheus registry rather than the process-wide default one
+// that Middleware.Metrics uses.
 func MetricsMiddlewareForTest(
 	rec httpmetrics.Recorder,
 ) func(http.Handler) http.Handler {

internal/middleware/logbound_test.go

@@ -260,9 +260,7 @@ func logSites() map[string]logSite {
 			) http.Handler {
 				t.Helper()
 
-				return m.CSRF(http.HandlerFunc(forbidden))(
+				return m.CSRF()(unreachable(t))
-					unreachable(t),
-				)
 			},
 			send:       postNoToken,
 			wantStatus: http.StatusForbidden,

internal/middleware/loginguard.go

@@ -108,10 +108,10 @@ type failureWindow struct {
 //
 // A limiter that spends budget on arrival cannot protect a
 // single-admin product: behind the reverse proxy the deployment
-// requires, when TRUSTED_PROXIES does not cover it, every client
+// requires, with TRUSTED_PROXIES unset, every client keys on the
-// keys on the proxy, so a stranger trickling five POSTs a minute
+// proxy, so a stranger trickling five POSTs a minute keeps the one
-// keeps the one bucket full and the operator's own correct password
+// bucket full and the operator's own correct password is answered 429
-// is answered 429 forever. There is no second administrative path.
+// forever. There is no second administrative path.
 //
 // So budget is spent only by a FAILED verification. A correct
 // password is never throttled, whatever the counters say, which is

internal/middleware/metrics.go

@@ -7,7 +7,9 @@ import (
 
 	"github.com/go-chi/chi"
 	httpmetrics "github.com/slok/go-http-metrics/metrics"
+	prommetrics "github.com/slok/go-http-metrics/metrics/prometheus"
 	ghmm "github.com/slok/go-http-metrics/middleware"
+	"github.com/slok/go-http-metrics/middleware/std"
 )
 
 // inflightHandler is the fixed `handler` label on
@@ -149,17 +151,17 @@ func (r boundedLabelRecorder) AddInflightRequests(
 
 var _ httpmetrics.Recorder = boundedLabelRecorder{}
 
-// Metrics returns middleware that records Prometheus HTTP metrics
+// Metrics returns middleware that records Prometheus HTTP metrics on
-// with the Middleware's one recorder, which New builds on the registry
+// the default registry, which is the one the /metrics route gathers.
-// the /metrics route serves and NewForTest on a registry of its own.
-// Every call reuses that recorder, so any number of routers can
-// install it.
 func (s *Middleware) Metrics() func(http.Handler) http.Handler {
-	return metricsMiddleware(s.metricsRecorder)
+	return metricsMiddleware(
+		prommetrics.NewRecorder(prommetrics.Config{}),
+	)
 }
 
 // metricsMiddleware builds the recording middleware against a given
-// recorder, so tests can gather from a registry of their own.
+// recorder, so tests can gather from a registry of their own instead
+// of the process-wide default.
 func metricsMiddleware(
 	rec httpmetrics.Recorder,
 ) func(http.Handler) http.Handler {
@@ -168,72 +170,13 @@ func metricsMiddleware(
 	})
 
 	return func(next http.Handler) http.Handler {
-		return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		// The handler id is unmatchedRoute rather than "" so that
-			mw := &metricsResponseWriter{
+		// the client-chosen URL path never enters the metrics
-				ResponseWriter: w,
+		// pipeline at all: an empty id is the library's signal to
-				request:        r,
+		// substitute it. boundedLabelRecorder overwrites this value
-				statusCode:     http.StatusOK,
+		// on every observation, so it is reachable only if that
-			}
+		// decorator is removed — in which case the metrics collapse
-
+		// to one series instead of leaking again.
-			// The handler id is unmatchedRoute rather than "" so
+		return std.Handler(unmatchedRoute, mdlw, next)
-			// that the client-chosen URL path never enters the
-			// metrics pipeline at all: an empty id is the library's
-			// signal to substitute it. boundedLabelRecorder
-			// overwrites this value on every observation, so it is
-			// reachable only if that decorator is removed — in which
-			// case the metrics collapse to one series instead of
-			// leaking again.
-			mdlw.Measure(unmatchedRoute, mw, func() {
-				next.ServeHTTP(mw, r)
-			})
-		})
 	}
 }
-
-// metricsResponseWriter records the status code and body size of a
-// response, and hands them with the request to go-http-metrics'
-// Measure as its Reporter.
-//
-// It stands in for the library's std.Handler, whose writer has no
-// Unwrap: behind it, http.ResponseController cannot reach net/http's
-// own writer, so a handler's write deadline fails with metrics on.
-type metricsResponseWriter struct {
-	http.ResponseWriter
-
-	request      *http.Request
-	statusCode   int
-	bytesWritten int64
-}
-
-func (w *metricsResponseWriter) WriteHeader(code int) {
-	w.statusCode = code
-
-	w.ResponseWriter.WriteHeader(code)
-}
-
-func (w *metricsResponseWriter) Write(b []byte) (int, error) {
-	w.bytesWritten += int64(len(b))
-
-	//nolint:wrapcheck // Pass the writer's own error through unchanged.
-	return w.ResponseWriter.Write(b)
-}
-
-// Unwrap lets http.ResponseController reach the writer underneath, so
-// a handler can still flush or set a write deadline with metrics on.
-func (w *metricsResponseWriter) Unwrap() http.ResponseWriter {
-	return w.ResponseWriter
-}
-
-func (w *metricsResponseWriter) Method() string { return w.request.Method }
-
-func (w *metricsResponseWriter) Context() context.Context {
-	return w.request.Context()
-}
-
-func (w *metricsResponseWriter) URLPath() string { return w.request.URL.Path }
-
-func (w *metricsResponseWriter) StatusCode() int { return w.statusCode }
-
-func (w *metricsResponseWriter) BytesWritten() int64 { return w.bytesWritten }
-
-var _ ghmm.Reporter = (*metricsResponseWriter)(nil)

internal/middleware/metrics_test.go

@@ -57,8 +57,9 @@ const (
 // Server.setupWebhookRoutes inside it. That ordering is the whole
 // defect, so a test that flattens it would prove nothing.
 //
-// The recorder writes to a registry of the test's own, so each test
+// The recorder writes to a registry of the test's own rather than the
-// observes only its own traffic.
+// process-wide default one, so each test observes only its own
+// traffic.
 func metricsTestRouter(
 	t *testing.T,
 	receiverLimit int,
@@ -454,29 +455,3 @@ func TestMetrics_StatusAndSizeStillRecorded(t *testing.T) {
 		"the interceptor must still count written bytes",
 	)
 }
-
-// TestMetrics_WorksOnNewForTestMiddleware pins that a Middleware built
-// by NewForTest has a recorder of its own: its Metrics() serves a
-// request instead of panicking, and a second one does not collide
-// with the first.
-func TestMetrics_WorksOnNewForTestMiddleware(t *testing.T) {
-	t.Parallel()
-
-	log := slog.New(slog.DiscardHandler)
-	cfg := &config.Config{Environment: "prod"}
-	ok := http.HandlerFunc(func(w http.ResponseWriter, _ *http.Request) {
-		_, _ = w.Write([]byte(okBody))
-	})
-
-	for range 2 {
-		h := middleware.NewForTest(log, cfg, nil).Metrics()(ok)
-
-		req := httptest.NewRequestWithContext(
-			t.Context(), http.MethodGet, okRoute, nil,
-		)
-		w := httptest.NewRecorder()
-		h.ServeHTTP(w, req)
-
-		assert.Equal(t, http.StatusOK, w.Code)
-	}
-}

internal/middleware/middleware.go

@@ -6,7 +6,6 @@ import (
 	"log/slog"
 	"net"
 	"net/http"
-	"net/url"
 	"sync"
 	"time"
 
@@ -14,9 +13,6 @@ import (
 	"github.com/go-chi/chi"
 	"github.com/go-chi/chi/middleware"
 	"github.com/go-chi/cors"
-	"github.com/prometheus/client_golang/prometheus"
-	httpmetrics "github.com/slok/go-http-metrics/metrics"
-	prommetrics "github.com/slok/go-http-metrics/metrics/prometheus"
 	"go.uber.org/fx"
 	"sneak.berlin/go/webhooker/internal/config"
 	"sneak.berlin/go/webhooker/internal/globals"
@@ -156,7 +152,6 @@ type MiddlewareParams struct {
 	Globals *globals.Globals
 	Config  *config.Config
 	Session *session.Session
-	Registry *prometheus.Registry
 }
 
 // Middleware provides HTTP middleware for logging, CORS, auth, and
@@ -166,14 +161,6 @@ type Middleware struct {
 	params  *MiddlewareParams
 	session *session.Session
 
-	// metricsRecorder records the inbound HTTP metrics. New builds
-	// it on the registry /metrics serves, NewForTest on a registry
-	// of its own. Either way it is built once per Middleware and
-	// Metrics reuses it, because building it registers its
-	// collectors, and a second registration on the same registry
-	// panics.
-	metricsRecorder httpmetrics.Recorder
-
 	// loginGuard counts failed credential verifications and bounds
 	// concurrent password hashing. It is built on first use so that
 	// every construction path gets one; see guard().
@@ -192,9 +179,6 @@ func New(
 	s.params = &params
 	s.log = params.Logger.Get()
 	s.session = params.Session
-	s.metricsRecorder = prommetrics.NewRecorder(
-		prommetrics.Config{Registry: params.Registry},
-	)
 
 	return s, nil
 }
@@ -233,13 +217,6 @@ func (lrw *loggingResponseWriter) WriteHeader(code int) {
 	lrw.ResponseWriter.WriteHeader(code)
 }
 
-// Unwrap lets http.ResponseController reach the writer underneath, so
-// a handler can still flush or set a write deadline through the access
-// log.
-func (lrw *loggingResponseWriter) Unwrap() http.ResponseWriter {
-	return lrw.ResponseWriter
-}
-
 // concreteLogURL renders the request's own URL for the access log
 // branches that keep it, with the query string replaced by a fixed
 // marker.
@@ -389,30 +366,6 @@ func (s *Middleware) CORS() func(http.Handler) http.Handler {
 	}
 }
 
-// NextParam is the query parameter on the login redirect, and the
-// login form field, that holds the page to return to after login.
-const NextParam = "next"
-
-// MaxNextBytes bounds the NextParam value. The login page writes it
-// into its form, and every page is rendered into a buffer first, so
-// without a bound a request would choose the size of that buffer.
-const MaxNextBytes = 2048
-
-// loginURL is the login page RequireAuth redirects to. A GET carries
-// its own path and query in NextParam so that logging in returns to
-// it, unless they are longer than MaxNextBytes; loginDestination in
-// the handlers package checks whether that value is safe to follow.
-// Other methods carry nothing, since a redirect cannot repeat them.
-func loginURL(r *http.Request) string {
-	next := r.URL.RequestURI()
-
-	if r.Method != http.MethodGet || len(next) > MaxNextBytes {
-		return "/pages/login"
-	}
-
-	return "/pages/login?" + url.Values{NextParam: {next}}.Encode()
-}
-
 // RequireAuth returns middleware that checks for a valid session.
 // Unauthenticated users are redirected to the login page.
 func (s *Middleware) RequireAuth() func(http.Handler) http.Handler {
@@ -428,7 +381,7 @@ func (s *Middleware) RequireAuth() func(http.Handler) http.Handler {
 					"error", err,
 				)
 				http.Redirect(
-					w, r, loginURL(r), http.StatusSeeOther,
+					w, r, "/pages/login", http.StatusSeeOther,
 				)
 
 				return
@@ -456,7 +409,7 @@ func (s *Middleware) RequireAuth() func(http.Handler) http.Handler {
 					),
 				)
 				http.Redirect(
-					w, r, loginURL(r), http.StatusSeeOther,
+					w, r, "/pages/login", http.StatusSeeOther,
 				)
 
 				return

internal/middleware/middleware_test.go

@@ -12,6 +12,7 @@ import (
 	"testing"
 	"time"
 
+	"github.com/gorilla/sessions"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 	"sneak.berlin/go/webhooker/internal/config"
@@ -77,7 +78,14 @@ func newTestSessionManager(
 		key[i] = byte(i)
 	}
 
-	store := session.NewStore(key)
+	store := sessions.NewCookieStore(key)
+	store.Options = &sessions.Options{
+		Path:     "/",
+		MaxAge:   86400 * 7,
+		HttpOnly: true,
+		Secure:   false,
+		SameSite: http.SameSiteLaxMode,
+	}
 
 	var now func() time.Time
 
@@ -330,76 +338,6 @@ func TestRequireAuth_NoSession_RedirectsToLogin(t *testing.T) {
 			"unauthenticated request",
 	)
 	assert.Equal(t, http.StatusSeeOther, w.Code)
-	assert.Equal(
-		t, "/pages/login?next=%2Fdashboard", w.Header().Get("Location"),
-	)
-}
-
-// TestRequireAuth_LoginRedirectCarriesOnlyAGet pins what the login
-// redirect carries: a GET's path and query, so logging in can return
-// there, and nothing for a POST, which a redirect cannot repeat.
-func TestRequireAuth_LoginRedirectCarriesOnlyAGet(t *testing.T) {
-	t.Parallel()
-
-	m, _ := testMiddleware(t, config.EnvironmentDev)
-
-	handler := m.RequireAuth()(http.HandlerFunc(
-		func(_ http.ResponseWriter, _ *http.Request) {},
-	))
-
-	get := httptest.NewRequestWithContext(
-		context.Background(),
-		http.MethodGet, "/hook/abc/events?page=2", nil,
-	)
-	w := httptest.NewRecorder()
-	handler.ServeHTTP(w, get)
-
-	assert.Equal(
-		t, "/pages/login?next=%2Fhook%2Fabc%2Fevents%3Fpage%3D2",
-		w.Header().Get("Location"),
-	)
-
-	post := httptest.NewRequestWithContext(
-		context.Background(),
-		http.MethodPost, "/hook/abc/delete", nil,
-	)
-	w = httptest.NewRecorder()
-	handler.ServeHTTP(w, post)
-
-	assert.Equal(t, "/pages/login", w.Header().Get("Location"))
-}
-
-// TestRequireAuth_LoginRedirectLeavesOutALongURL: a GET whose path
-// and query are longer than the login page accepts goes to the plain
-// login page, so a long URL does not make the redirect long.
-func TestRequireAuth_LoginRedirectLeavesOutALongURL(t *testing.T) {
-	t.Parallel()
-
-	m, _ := testMiddleware(t, config.EnvironmentDev)
-
-	handler := m.RequireAuth()(http.HandlerFunc(
-		func(_ http.ResponseWriter, _ *http.Request) {},
-	))
-
-	atLimit := "/" + strings.Repeat("a", middleware.MaxNextBytes-1)
-
-	get := httptest.NewRequestWithContext(
-		context.Background(), http.MethodGet, atLimit, nil,
-	)
-	w := httptest.NewRecorder()
-	handler.ServeHTTP(w, get)
-
-	assert.Equal(
-		t, "/pages/login?next=%2F"+atLimit[1:],
-		w.Header().Get("Location"),
-	)
-
-	get = httptest.NewRequestWithContext(
-		context.Background(), http.MethodGet, atLimit+"a", nil,
-	)
-	w = httptest.NewRecorder()
-	handler.ServeHTTP(w, get)
-
 	assert.Equal(t, "/pages/login", w.Header().Get("Location"))
 }
 
@@ -505,9 +443,7 @@ func TestRequireAuth_UnauthenticatedSession_RedirectsToLogin(
 			"unauthenticated session",
 	)
 	assert.Equal(t, http.StatusSeeOther, w.Code)
-	assert.Equal(
+	assert.Equal(t, "/pages/login", w.Header().Get("Location"))
-		t, "/pages/login?next=%2Fdashboard", w.Header().Get("Location"),
-	)
 }
 
 // --- RequireAuth Session Expiry Tests ---
@@ -605,9 +541,7 @@ func TestRequireAuth_IdleExpiredSession_RedirectsToLogin(
 		"handler should not run for an idle-expired session",
 	)
 	assert.Equal(t, http.StatusSeeOther, w.Code)
-	assert.Equal(
+	assert.Equal(t, "/pages/login", w.Header().Get("Location"))
-		t, "/pages/login?next=%2Fdashboard", w.Header().Get("Location"),
-	)
 	assert.Empty(
 		t, sessionCookies(w),
 		"an expired session must not be refreshed",
@@ -923,7 +857,8 @@ func metricsAuthMiddleware(
 	}
 
 	key := make([]byte, testKeySize)
-	store := session.NewStore(key)
+	store := sessions.NewCookieStore(key)
+	store.Options = &sessions.Options{Path: "/", MaxAge: 86400}
 
 	sessManager := session.NewForTest(store, cfg, log, key, nil)
 

internal/middleware/ratelimit.go

@@ -123,8 +123,9 @@ func bucketKey(addr netip.Addr) string {
 	return prefix.String()
 }
 
-// isTrustedProxy reports whether addr belongs to a network in
+// isTrustedProxy reports whether addr belongs to a network the
-// TRUSTED_PROXIES, which by default is the RFC 1918 private ranges.
+// operator listed in TRUSTED_PROXIES. The list is empty by default,
+// so by default nothing is trusted.
 func (m *Middleware) isTrustedProxy(addr netip.Addr) bool {
 	for _, prefix := range m.params.Config.TrustedProxies {
 		if prefix.Contains(addr) {