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Author SHA1 Message Date
Danny Avila
9956a72694
🧭 fix: Subdirectory Deployment Auth Redirect Path Doubling (#12077)
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* fix: subdirectory redirects

* fix: use path-segment boundary check when stripping BASE_URL prefix

A bare `startsWith(BASE_URL)` matches on character prefix, not path
segments. With BASE_URL="/chat", a path like "/chatroom/c/abc" would
incorrectly strip to "room/c/abc" (no leading slash). Guard with an
exact-match-or-slash check: `p === BASE_URL || p.startsWith(BASE_URL + '/')`.

Also removes the dead `BASE_URL !== '/'` guard — module init already
converts '/' to ''.

* test: add path-segment boundary tests and clarify subdirectory coverage

- Add /chatroom, /chatbot, /app/chatroom regression tests to verify
  BASE_URL stripping only matches on segment boundaries
- Clarify useAuthRedirect subdirectory test documents React Router
  basename behavior (BASE_URL stripping tested in api-endpoints-subdir)
- Use `delete proc.browser` instead of undefined assignment for cleanup
- Add rationale to eslint-disable comment for isolateModules require

* fix: use relative path and correct instructions in subdirectory test script

- Replace hardcoded /home/danny/LibreChat/.env with repo-root-relative
  path so the script works from any checkout location
- Update instructions to use production build (npm run build && npm run
  backend) since nginx proxies to :3080 which only serves the SPA after
  a full build, not during frontend:dev on :3090

* fix: skip pointless redirect_to=/ for root path and fix jsdom 26+ compat

buildLoginRedirectUrl now returns plain /login when the resolved path
is root — redirect_to=/ adds no value since / immediately redirects
to /c/new after login anyway.

Also rewrites api-endpoints.spec.ts to use window.history.replaceState
instead of Object.defineProperty(window, 'location', ...) which jsdom
26+ no longer allows.

* test: fix request-interceptor.spec.ts for jsdom 26+ compatibility

Switch from jsdom to happy-dom environment which allows
Object.defineProperty on window.location. jsdom 26+ made
location non-configurable, breaking all 8 tests in this file.

* chore: update browser property handling in api-endpoints-subdir test

Changed the handling of the `proc.browser` property from deletion to setting it to false, ensuring compatibility with the current testing environment.

* chore: update backend restart instructions in test subdirectory setup script

Changed the instruction for restarting the backend from "npm run backend:dev" to "npm run backend" to reflect the correct command for the current setup.

* refactor: ensure proper cleanup in loadModuleWithBase function

Wrapped the module loading logic in a try-finally block to guarantee that the `proc.browser` property is reset to false and the base element is removed, improving reliability in the testing environment.

* refactor: improve browser property handling in loadModuleWithBase function

Revised the management of the `proc.browser` property to store the original value before modification, ensuring it is restored correctly after module loading. This enhances the reliability of the testing environment.
2026-03-05 01:38:44 -05:00
Danny Avila
619d35360d
🔒 fix: Request interceptor for Shared Link Page Scenarios (#12036)
* ♻️ refactor: Centralize `buildLoginRedirectUrl` in data-provider

Move `buildLoginRedirectUrl` from `client/src/utils/redirect.ts` into
`packages/data-provider/src/api-endpoints.ts` so the axios 401
interceptor (and any other data-provider consumer) can use the canonical
implementation with the LOGIN_PATH_RE guard and BASE_URL awareness.

The client module now re-exports from `librechat-data-provider`, keeping
all existing imports working unchanged.

* 🔒 fix: Shared link 401 interceptor bypass and redirect loop (#12033)

Fixes three issues in the axios 401 response interceptor that prevented
private shared links (ALLOW_SHARED_LINKS_PUBLIC=false) from working:

1. `window.location.href.includes('share/')` matched the full URL
   (including query params and hash), causing false positives. Changed
   to `window.location.pathname.startsWith('/share/')`.

2. When token refresh returned no token on a share page, the
   interceptor logged and fell through without redirecting, causing an
   infinite retry loop via React Query. Now redirects to login using
   `buildLoginRedirectUrl()` which preserves the share URL for
   post-login navigation.

3. `processQueue` was never called in the no-token branch, leaving
   queued requests with dangling promise callbacks. Added
   `processQueue(error, null)` before the redirect.

*  test: Comprehensive 401 interceptor tests for shared link auth flow

Rewrite interceptor test suite to cover all shared link auth scenarios:

- Unauthenticated user on share page with failed refresh → redirect
- Authenticated user on share page with failed refresh → redirect
- share/ in query params does NOT bypass the auth header guard
- Login path guard: redirect to plain /login (no redirect_to loop)
- Refresh success: assert exact call count (toBe(3) vs toBeGreaterThan)

Test reliability improvements:
- window.location teardown moved to afterEach (no state leak on failure)
- expect.assertions(N) on all tests (catch silent false passes)
- Shared setWindowLocation helper for consistent location mocking

* ♻️ refactor: Import `buildLoginRedirectUrl` directly from data-provider

Update `AuthContext.tsx` and `useAuthRedirect.ts` to import
`buildLoginRedirectUrl` from `librechat-data-provider` instead of
re-exporting through `~/utils/redirect.ts`.

Convert `redirect.ts` to ESM-style inline exports and remove the
re-export of `buildLoginRedirectUrl`.

*  test: Move `buildLoginRedirectUrl` tests to data-provider

Tests for `buildLoginRedirectUrl` now live alongside the implementation
in `packages/data-provider/specs/api-endpoints.spec.ts`.

Removed the duplicate describe block from the client redirect test file
since it no longer owns that function.
2026-03-03 12:03:33 -05:00