Asger Weirsøe a429456987 fetch: strip all origin/chain headers so nothing leaks to targets ...

The fetch service only stripped the four X-Weircon-* control headers, so
any forwarding header injected upstream (X-Forwarded-For, X-Real-IP, Via,
CDN client-IP headers, …) passed straight through to the target — leaking
the caller's IP and proxy chain.

- Replace stripWeircon with stripIdentifying: removes the control headers
  plus all standard forwarding/origin-IP headers, with a prefix sweep for
  any vendor-specific X-Forwarded-* variant.
- NPM advanced.conf clears the same headers (defense in depth).
- Add TestStripIdentifying covering removal + survival of legit headers.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

2026-05-30 21:23:01 +02:00

..

go.mod

Initial commit

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go.sum

Initial commit

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main_test.go

fetch: strip all origin/chain headers so nothing leaks to targets

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main.go

fetch: strip all origin/chain headers so nothing leaks to targets

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Makefile

Initial commit

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ui.html

Initial commit

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