clawbot
3cfcda0730
check / check (push) Failing after 1s
Adds the blocked_networks config key: a list of CIDRs, parsed with net/netip, that is added to the built-in list of address ranges the fetcher refuses to contact and can never remove an entry from it. An invalid CIDR aborts startup naming the key and the value. The built-in list gains CGNAT 100.64.0.0/10, IETF protocol assignments 192.0.0.0/24, benchmark 198.18.0.0/15 and NAT64 64:ff9b::/96. Resolved addresses are unmapped before matching, so IPv4-mapped IPv6 forms are caught too. Enforcement stays in the dial-time re-resolution, which is what closes the DNS rebinding window. What a reader would trip over: 192.0.0.0/24 is now blocked but TEST-NET-1 (192.0.2.0/24), which the Fetch tests use as a public upstream, is a different range and stays dialable. The package-level dialer enforces the built-in ranges only; operator entries are applied by the fetcher. Disclosure: one nolint:gochecknoglobals on the immutable built-in prefix list. Model: opus-4-8 (implementation, review); fable-5-1 (landing message)
54 lines
1.7 KiB
YAML
54 lines
1.7 KiB
YAML
# Pixa Example Configuration
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# Server settings
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port: 8080
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debug: false
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maintenance_mode: false
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# Data directory for SQLite database and cache files
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state_dir: ./data
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# Image proxy settings
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# HMAC signing key for URL signatures (required, at least 32 characters)
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# Generate with: openssl rand -base64 32
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signing_key: "CHANGE_ME_generate_with_openssl_rand_base64_32"
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# Hosts that don't require signatures
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# Use "." prefix for wildcard subdomain matching (e.g., ".example.com" matches "cdn.example.com")
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allowlist_hosts:
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- s3.sneak.cloud
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- static.sneak.cloud
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- sneak.berlin
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- github.com
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- user-images.githubusercontent.com
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# Additional CIDR ranges to refuse when fetching upstream, extending the
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# SSRF protection. These are added to the always-enforced built-in ranges
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# (loopback, RFC 1918 private, link-local, CGNAT, benchmark, NAT64, and
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# similar), never replacing them. Each entry must be a valid CIDR in IPv4
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# or IPv6 form; an invalid entry aborts startup.
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# blocked_networks:
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# - 100.64.0.0/10
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# - 2001:db8::/32
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# Allow HTTP upstream (only for testing, always use HTTPS in production)
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allow_http: false
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# Maximum concurrent connections per upstream host (default: 20)
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upstream_connections_per_host: 20
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# Maximum disk cache size in bytes. Explicit values are used exactly as
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# given; 0 disables the disk cache entirely (every request fetches and
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# processes uncached). When omitted, the default is 75% of the free
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# space on the filesystem containing <state_dir>/cache/ at startup,
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# with a minimum of 500 MiB.
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# cache_max_bytes: 10737418240
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# Sentry error reporting (optional)
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sentry_dsn: ""
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# Metrics endpoint authentication (optional)
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# metrics:
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# username: "admin"
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# password: "secret"
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