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sure/config/initializers
Will Wilson b6cd8437a5 fix(oidc): honor http issuer scheme during OIDC discovery (#2853)
* fix(oidc): honor http issuer scheme during OIDC discovery

Self-hosted IdPs served over plain HTTP (no SSL) failed OIDC login with
"Failed to open TCP connection to <issuer>:443 (Connection refused)".

The openid_connect/swd gems hardcode discovery to HTTPS: SWD.url_builder
defaults to URI::HTTPS, and OpenIDConnect::Discovery::Provider::Config::Resource
drops the issuer's scheme, rebuilding the .well-known URL from host/port only.
So an http:// issuer is upgraded to https:443 and never connects. (This is why
the in-app "Test connection" passes -- it uses Faraday against the raw issuer
URL and never goes through the gem.)

Patch Config::Resource to remember the issuer's scheme and build the discovery
endpoint with URI::HTTP or URI::HTTPS accordingly. Per-request, no global mutable
state, so mixed http/https providers coexist. Only discovery needs patching: the
endpoints it returns are absolute and rack-oauth2 preserves an existing scheme,
so the token/userinfo/jwks calls follow over http automatically.

Verified against openid_connect 2.3.1 / swd 2.0.3.

Fixes #2844

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

* fix(oidc): scheme-aware port and discovery cache key

Address automated review feedback on the OIDC http-discovery patch:

- Preserve explicitly configured non-default ports (http on 443, https on 80)
  by omitting only the scheme's own default port instead of both 80 and 443.
- Override the discovery cache_key to include scheme/port/path (the gem keyed
  on host alone), so an http:// issuer can't reuse an https:// issuer's cached
  metadata on the same host. Latent today (default SWD cache is a no-op) but
  removed to keep the override self-consistent.

Adds regression tests for both cases.

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

* test(oidc): cover port and path as cache-key components

Extend the discovery cache-key test to assert scheme, port, and path each
produce a distinct key on the same host, per review feedback.

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

---------

Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-07-31 03:24:28 +02:00
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