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96f6976e00
* fix: automatic logout_hint fallback for long OpenID tokens
Implements OIDC RP-Initiated Logout cascading strategy to prevent errors when id_token_hint makes logout URL too long.
Automatically detects URLs exceeding configurable length and falls back to logout_hint only when URL is too long, preserving previous behavior when token is missing. Adds OPENID_MAX_LOGOUT_URL_LENGTH environment variable. Comprehensive test coverage with 20 tests. Works with any OpenID provider.
* fix: address review findings for OIDC logout URL length fallback
- Replace two-boolean tri-state (useIdTokenHint/urlTooLong) with a single
string discriminant ('use_token'|'too_long'|'no_token') for clarity
- Fix misleading warning: differentiate 'url too long + no client_id' from
'no token + no client_id' so operators get actionable advice
- Strict env var parsing: reject partial numeric strings like '500abc' that
Number.parseInt silently accepted; use regex + Number() instead
- Pre-compute projected URL length from base URL + token length (JWT chars
are URL-safe), eliminating the set-then-delete mutation pattern
- Extract parseMaxLogoutUrlLength helper for validation and early return
- Add tests: invalid env values, url-too-long + missing OPENID_CLIENT_ID,
boundary condition (exact max vs max+1), cookie-sourced long token
- Remove redundant try/finally in 'respects custom limit' test
- Use empty value in .env.example to signal optional config (default: 2000)
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Co-authored-by: Airam Hernández Hernández <airam.hernandez@intelequia.com>
Co-authored-by: Danny Avila <danny@librechat.ai>
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| jest.config.js | ||
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