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Michael Bolin 841e47b8fb Re-resolve system proxy routes across redirects (#34479 )

## Why

Route-aware clients select a direct or proxy route from the complete request
URL. Letting `reqwest` follow redirects internally reuses the client chosen for
the original URL, so the redirect destination cannot receive its own PAC or
system proxy decision.

## What changed

- Follow redirects through `RouteAwareClientPool` when respecting the system
  proxy, resolving and caching a route for every hop.
- Preserve standard redirect method and body behavior, enforce one timeout
  across the request chain, and cap redirects at 10 hops.
- Strip origin-sensitive credentials and stale proxy authorization when the
  destination or selected route changes, and apply safe `Referer` handling.
- Log one final request outcome instead of intermediate redirect responses.

## Testing

Added an integration test covering a redirect from a direct route to a proxy
route, credential handling, and final-outcome logging.

GitOrigin-RevId: e5cb2cc962e99d33df61ef649465e956b92279bb

2026-07-21 07:18:18 +00:00

src

Re-resolve system proxy routes across redirects (#34479 )

2026-07-21 07:18:18 +00:00

tests

Extract shared HTTP transport into codex-http-client (#31323 )

2026-07-07 01:12:24 +00:00

BUILD.bazel

Extract shared HTTP transport into codex-http-client (#31323 )

2026-07-07 01:12:24 +00:00

Cargo.toml

Resolve outbound proxy routes explicitly (#34435 )

2026-07-21 00:33:04 +00:00

README.md

Extract shared HTTP transport into codex-http-client (#31323 )

2026-07-07 01:12:24 +00:00

README.md

codex-http-client

Low-level HTTP transport shared by Codex crates.

Defines the request, response, streaming, and transport types used for outbound HTTP calls.
Owns the reqwest implementation, custom CA handling, and ChatGPT Cloudflare cookie policy.
Resolves system, PAC/WPAD, environment, and direct proxy routes for supported clients.

Higher-level retry, SSE, and request telemetry policy remains in codex-client.