Default agent-provider routes to the redact on-match policy
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Provider routes (the agent talking to its own LLM API — api.anthropic.com,
the Codex backend, etc.) carry the whole conversation payload, which is the
worst source of token-shaped false positives. egress_routes_for_bottle now
fills outbound_on_match=redact on any provider route that doesn't set it
explicitly, so a match there is scrubbed and forwarded rather than blocked
or queued for the operator. A provider that sets the policy keeps its
choice; manifest routes still default to supervise.

Tests: provider route gets redact default, explicit provider policy
preserved, manifest route unaffected. README + PRD 0062 updated.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01HnvBjPZC5V7qeQpFbQdDmS
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2026-06-24 20:40:36 -04:00
parent b411577e76
commit 1ad710a041
4 changed files with 44 additions and 2 deletions
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@@ -149,7 +149,7 @@ You help maintain Gitea-hosted projects.
| `dlp` | no | Per-route DLP overrides. Omit to use defaults (all detectors on). |
| `dlp.outbound_detectors` | no | `false` disables outbound scanning; list restricts to named detectors (`token_patterns`, `known_secrets`). |
| `dlp.inbound_detectors` | no | `false` disables inbound scanning; list restricts to named detectors (`naive_injection_detection`). |
| `dlp.outbound_on_match` | no | What to do when an outbound token is detected: `supervise` (default — hold for operator approval), `redact` (scrub the value and forward), or `block` (hard 403). |
| `dlp.outbound_on_match` | no | What to do when an outbound token is detected: `supervise` (default for manifest routes — hold for operator approval), `redact` (scrub the value and forward), or `block` (hard 403). Agent-provider routes (e.g. `api.anthropic.com`) default to `redact`. |
| `git.fetch` | no | `true` permits smart HTTP clone/fetch (`git-upload-pack`) for this host. Push (`git-receive-pack`) remains blocked. |
When an outbound DLP detector matches a token, the route's `dlp.outbound_on_match` policy decides what happens. Under the default `supervise`, the proxy queues an `egress-token-allow` proposal for the operator's `./cli.py supervise` TUI and holds the request open until it is answered (or `EGRESS_TOKEN_ALLOW_TIMEOUT_SECONDS`, default 300s, elapses — after which it fails closed). The operator never sees the raw token, only the host, method, path, and a redacted snippet; approving adds the value to an in-memory safelist for the life of the egress proxy. Under `redact`, the matched value is scrubbed from the body, headers, and path and the request is forwarded (failing closed if a match lands somewhere unredactable, like the hostname). Under `block` it stays a hard `403`. Structural blocks (CRLF injection) and not-in-allowlist host blocks are always hard `403`s regardless of policy.