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fix: let the unauthenticated voice roster route actually be reached (issue #1377) - #1773
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…issue #1377) registerAudioVoicesRoute attaches audio.VoicesHandler() straight onto the mux with no authorizer and no tenant voice gate, deliberately: Open WebUI's voice dropdowns fetch GET /v1/audio/voices with no Authorization header at all, and gating it silently reinstates the hardcoded alloy-style fallback list that issue #996 exists to prevent. It was gated anyway, one layer out. authSelectorMiddleware wraps the whole mux and intercepts every path under /v1/, and auth.Selector routes to the API-key handler only when Authorization carries a Bearer hk_ credential. Everything else, a request with no Authorization header included, goes to the JWT middleware, which answers 401 before the mux is ever reached. So the unauthenticated registration could not take effect while JWT auth is configured, which it is on the box, and a plain curl there answered UNAUTHENTICATED. This is the same defect PR #1730 fixed for GET /v1/tools, and it takes the same mechanism: the path is named once as a constant, used at registration and again in the exemption, so the two cannot drift apart and leave a route registered and unreachable a second time. The exemption stays exact path and exact method. The three audio routes one segment away all spend credits and keep their authentication, as do the two web tool call routes and any non-GET to either exempt path, which each handler answers 405 for itself. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01PGAcTcHd3PdD531LaLqXbw
…1377) The exemption itself is unchanged. What was missing was proof that it stays narrow and proof that the two halves of the fix work together. Negative cases now cover the shapes an exemption written with a prefix match or a cleaned path would let through: a traversal back onto the credit-spending speech route, a doubled slash, a case variant, HEAD, and POST /v1/chat/completions. Each is a different string from the constant, so each stays gated; naming them is what turns a later rewrite to prefix matching red instead of letting it silently open a paid route. The new end-to-end test drives the real registerAudioVoicesRoute onto a real ServeMux, wraps it in the real authSelectorMiddleware, sends the request Open WebUI sends, and reads the body. Neither of the existing tests would have caught this issue: the route-matrix tests prove the path is registered and the middleware tests prove a request gets past, and #1377 is exactly the shape of a defect that hides between the two. It also fails if the roster ever comes back empty, which is the state that sends the dropdown to the hardcoded fallback list of issue #996. One comment corrected while here. An uncredentialed non-GET to either exempt path is refused at the JWT path, not by the handler's own 405, which answers a credentialed caller. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01PGAcTcHd3PdD531LaLqXbw
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📝 WalkthroughWalkthroughThe edge API now exempts exact unauthenticated GET requests to ChangesAudio voice roster authentication
Estimated code review effort: 3 (Moderate) | ~20 minutes Merge Risk: 🔵 Low · up to This change restores unauthenticated voice-roster access for compatible clients while retaining authentication for neighboring routes. The implementation is functionally covered, but the added tests need explicit request contexts before the change is merge-ready. Sequence Diagram(s)sequenceDiagram
participant Client
participant authSelectorMiddleware
participant ServeMux
participant VoicesHandler
Client->>authSelectorMiddleware: GET /v1/audio/voices
authSelectorMiddleware->>ServeMux: Forward request without JWT authentication
ServeMux->>VoicesHandler: Serve voice roster
VoicesHandler-->>Client: JSON voice roster
🚥 Pre-merge checks | ✅ 5✅ Passed checks (5 passed)
✨ Finishing Touches 💡 1🛠️ Fix failing CI checks 💡
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Inline comments:
In `@apps/edge-api/cmd/server/audio_voices_auth_test.go`:
- Line 49: Replace all four httptest.NewRequest calls in the audio voices auth
tests, including the call near line 181, with httptest.NewRequestWithContext
using an explicit context while preserving each request’s method, path, and
body.
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apps/edge-api/cmd/server/audio_voices_auth_test.goapps/edge-api/cmd/server/main.go
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Go review (adversarial pass, idiom and test quality)Read only pass over Verified in the toolchain container, not by inspection alone:
So these tests can go red for the reason they claim, which is the main thing I wanted to establish. 1. The new constant severed the function's doc comment. MEDIUM
The const was inserted between the existing Fix, move the constant above the function's own comment: // audioVoicesPath is the voice roster route. One constant, for the same reason
// webToolsListPath below is one: ...
const audioVoicesPath = "/v1/audio/voices"
// registerAudioVoicesRoute attaches GET /v1/audio/voices. Extracted (issue
// #1079 ...) so route_matrix_guard_test.go can register it in isolation ...
func registerAudioVoicesRoute(mux httpMux) {Worth noting that 2. The new test file restates two existing tests. MEDIUM
Three overlaps:
Fix: collapse to one table in one route neutral file, for example rename to cases := []struct {
method string
path string
wantExempt bool
}{
{http.MethodGet, audioVoicesPath, true},
{http.MethodGet, webToolsListPath, true},
{http.MethodPost, "/v1/audio/speech", false},
// ... every case from both current tables
}3. The two loops duplicate their closure setup verbatim. MEDIUM to LOW
The // exercise drives the real authSelectorMiddleware and reports where the
// request landed.
func exercise(method, path string) (jwtInvoked, reachedMux bool) {
jwtMW := func(http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, _ *http.Request) {
jwtInvoked = true
w.WriteHeader(http.StatusUnauthorized)
})
}
next := http.HandlerFunc(func(w http.ResponseWriter, _ *http.Request) {
reachedMux = true
w.WriteHeader(http.StatusOK)
})
authSelectorMiddleware(jwtMW, next).ServeHTTP(httptest.NewRecorder(), httptest.NewRequest(method, path, nil))
return
}While you are there, wrap each case in Related nit at lines 73 and 81: the anonymous struct type is written twice. One named type, or the single table above, removes that. 4. The two path
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From the Go review. The exemption itself is unchanged. The constant had been inserted between registerAudioVoicesRoute's doc comment and the function, so godoc attached the issue #1079 paragraph to the constant and left the function undocumented. The constant now sits above that comment with a blank line between them. The bigger point was two tests each naming themselves the complete exemption set. TestOnlyTheDescriptorListIsExemptFromAuth was true when PR #1730 wrote it and became false the moment this change exempted a second route, and false in the direction that still passes, since its table simply does not mention the voice roster. Rather than leave a stale claim next to a fresh one, both move into one table, TestAuthSelectorExemptions, which carries both exempt routes and every negative case for both. The web tools file keeps its reachability test and a note saying where the other half went and why it moved. Three copies of the same middleware closure setup collapse into one helper, exerciseAuthSelector, and the cases run under t.Run so a failure names itself. The real-roster test drops the Name field it decoded and never asserted, and its comment now says plainly what it does not guard: the roster's contents are pinned in internal/audio/handler_voices_test.go, so a hardcoded fallback list would satisfy this test. It guards against no roster, not against the wrong one. Verified the consolidated table can still go red: with the voice roster removed from the exemption, the roster case and the end-to-end test both fail and every other case stays green. Whole package passes, gofmt and go vet clean. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01PGAcTcHd3PdD531LaLqXbw
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Thanks, and thank you for mutation testing it rather than reading it. All three findings are addressed in the commit above. Finding 1, godoc attachment: fixed. The constant sat between Finding 2, competing completeness claims: fixed, and this was the right catch. Finding 3, duplicated closure setup: fixed. One Finding 4: agreed, no change. Two paths is not a set yet. Finding 5: fixed. The Finding 6: agreed. I repeated your mutation check on the consolidated table. With the voice roster dropped from the exemption, the roster case and the end-to-end test both fail and every other case stays green. Whole package passes, gofmt and go vet clean. |
The #996 guard in scripts/test_owui_rag_env_config.py pinned the literal `mux.Handle("/v1/audio/voices", audio.VoicesHandler())`. Naming that path as a constant, which is the whole mechanism of this fix, therefore read as a regression and turned the repo policy lints red. The guard now checks the thing it was protecting rather than the spelling it happened to have. Three assertions: the constant carries the path, the registration serves it with VoicesHandler, and the exemption in authSelectorMiddleware still names it. That last one is new and is the half #1377 exists for, since a registration with no exemption is inert and the route answers 401 while looking correct in a diff. Verified it can go red: with the roster removed from the exemption the third assertion fails and names the issue. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01PGAcTcHd3PdD531LaLqXbw
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Independent adversarial review: PR #1773
I did not write this change. Reviewed against origin/fix/1377-voices-unauthenticated in my own worktree, tracing the whole middleware stack from main() down to VoicesHandler, then mutation testing the exemption and probing it with fourteen encoded and dot-segment URL variants against a real ServeMux replica of the chain.
Verdict: sound. No blocking findings.
The exemption is the right shape and the tests are real regression guards rather than green paint. Two nits below, both about a claim being slightly wider than the code, neither worth holding the merge for.
What I verified rather than took on trust.
The exemption covers exactly one path and one method. TestAuthSelectorExemptions drives the real authSelectorMiddleware with a JWT stand-in, so reachedMux is a statement about the exemption and not about any handler behind it.
Both mutations the body claims go red, do go red. Dropping audioVoicesPath from the condition fails the roster case and the end to end test:
--- FAIL: TestAuthSelectorExemptions/the_voice_roster,_unauthenticated
GET /v1/audio/voices was sent to the JWT path, where a missing bearer is a 401
--- FAIL: TestVoiceRosterServesTheRealRosterWithNoCredential
GET /v1/audio/voices with no credential answered 401, want 200
Swapping the equality for strings.HasPrefix fails exactly the three cases written to catch it, traversal, trailing slash and suffix, and nothing else. So the negatives are not decoration.
Nothing tenant specific leaks. VoicesHandler writes six compiled in id and name pairs from orpheusVoices, with no database call, no upstream call, no per caller cost and no provider or price named, so it is neither a data leak nor an amplification lever.
Nothing else is skipped by the early return. The exempt request still passes through CompatHeaders, InstrumentHandler, budgetGate.Wrap and UnsupportedEndpointMiddleware before it reaches the mux, because budgetGate is applied inside authSelectorMiddleware at apps/edge-api/cmd/server/main.go:735-740. The only thing the exemption removes is the auth selector itself, which is the intent.
One observation that is out of scope, recorded so it is not rediscovered
//v1/audio/voices does not start with /v1/, so it fails the prefix test one line above the changed condition and bypasses the selector entirely, landing on the mux, which answers 307 to the cleaned path. The same is true of //v1/audio/speech. This is pre-existing, predates both this change and PR #1730, and is not a hole: a redirect carries no data and the client's follow up request is authenticated normally. Mentioning it only because it sits directly above the code under review and a future reader tracing this exemption will hit it.
…#1377) Two review findings, both about the gap between what the comment claimed and what the code does. The comparison is against r.URL.Path, which net/http has already decoded, so the exemption is not quite "one literal string". /v1/%61udio/voices and /v1/audio/voice%73 decode to the exempt path and are exempt. That is harmless rather than merely tolerable: net/http decodes the same way before matching, so every spelling that clears the check lands on the same static handler. The one divergence is /v1/audio%2fvoices, exempt at the middleware and a 404 at the mux, since an encoded separator matches no registered pattern. No encoded form reaches a different route and none reaches a credit-spending one. The comment said the comparison is by equality rather than prefix, which is true of traversals and extra segments and is what a reader would generalise into "only the literal string". It now says what the decoded comparison actually admits, and points at the test that pins it. Three cases join the table, asserted as exempt because that is what the middleware does. Asserting them as gated would claim a stricter rule than the code implements and would go red against correct code. If the exemption is ever made strict about the raw spelling, the table is where that change shows up. This also closes a claim the pull request body made without evidence. It said the security review's missing encoding negative was added; traversal, case and HEAD were there and no percent-encoded case was, since the doubled-slash entry is a literal rather than an encoded separator. The body is corrected alongside this. Whole package passes, gofmt and go vet clean. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01PGAcTcHd3PdD531LaLqXbw
1 participant
Closes #1377.
GET /v1/audio/voicesis registered with no authorizer and no tenant voice gate on purpose. Open WebUI's voice dropdowns fetch it with no Authorization header at all, and gating it silently reinstates the hardcoded alloy-style fallback list that issue #996 was closed to prevent. The comment aboveregisterAudioVoicesRoutesays exactly that.It was gated anyway, one layer out, which is what the issue reports and what a plain curl on the box showed.
authSelectorMiddlewarewraps the whole mux and intercepts every path under/v1/.auth.Selectorroutes to the API-key handler only when Authorization carries aBearer hk_credential, and sends everything else, a request with no Authorization header included, to the JWT middleware, which answers 401 before the mux is ever reached. So an unauthenticated registration cannot take effect while JWT auth is configured, which it is on the box.The fix
The same mechanism PR #1730 used for
GET /v1/tools, because it is the same defect. The path becomes one constant,audioVoicesPath, named at registration and again in the exemption, so the two cannot drift apart and leave a route registered and unreachable a second time. The exemption itself is one added path in the existing condition.It stays exact path and exact method, compared by equality rather than by prefix. The three audio routes one segment away all spend credits and keep their authentication, as do the two web tool call routes,
/v1/chat/completions, and any non-GET to either exempt path.Tests
One table,
TestAuthSelectorExemptions, carrying the whole exemption set: both exempt routes and every negative case for both. It drives the realauthSelectorMiddlewareconstruction thatmain()performs, with a JWT stand-in that always 401s, so reaching the mux can only happen through the exemption.The negatives are the half the issue asks for by name, that no other
/v1/path gained an exemption. They cover the three neighbouring audio routes that spend credits, the two web tool call routes, chat completions, a non-GET and a HEAD to each exempt path, and the shapes an exemption written with a prefix match or a cleaned path would let through: a traversal onto the speech route, a trailing slash, a suffix, a doubled slash, a case variant.Three positive cases pin the decoded-path semantics. The comparison is against
r.URL.Path, which is already decoded, so/v1/%61udio/voicesand/v1/audio/voice%73are exempt too, and/v1/audio%2fvoicesis exempt at the middleware and a 404 at the mux. They are asserted as exempt because that is what the middleware does; asserting them as gated would claim a stricter rule than the code implements. None of them reaches a different route and none reaches a credit-spending one.A second test joins the two halves. It drives the real
registerAudioVoicesRouteonto a realServeMux, wraps it in the real middleware, and reads the body. Neither existing test would have caught this issue: the route-matrix tests prove the path is registered and the middleware tests prove a request gets past, and #1377 is exactly the shape of a defect that hides between the two.The Go review pointed out that this arrived as two tests each naming itself the complete exemption set, one of which PR #1730 had written and this change had quietly falsified. Both are now the single table above, and the web tools file keeps its reachability test plus a note saying where the other half went.
The
#996guard inscripts/test_owui_rag_env_config.pypinned the literalmux.Handle("/v1/audio/voices", ...), so naming the path as a constant read as a regression and turned the repo policy lints red. It now checks the thing it was protecting: the constant carries the path, the registration serves it withVoicesHandler, and the exemption still names it. That third assertion is new and is the half this issue exists for, since a registration with no exemption is inert while looking correct in a diff.Verified red before the change and green after, and mutation tested twice. Dropping the roster from the exemption turns the roster case, the end-to-end test and the new guard assertion red while every other case stays green. Swapping the equality for a prefix match turns the traversal, trailing slash and suffix cases red. Whole package passes,
gofmt -lclean,go vetclean.Security review
An independent adversarial review was run against the pushed diff, since this widens an authentication exemption. Verdict: sound, no critical, high or medium findings.
It probed twenty one URL variants against a real
ServeMuxreplica of the chain, covering traversal, percent-encoded separators, doubled slashes, trailing slash,..;/, and case. No variant reaches a credit-spending route: the comparison is equality on the decodedr.URL.Path, and the two shapes that do match the exemption resolve to the voice roster itself or to a 404 at the mux. The handler serves six static id and name pairs with no database call, no upstream call and no per-caller cost, so it is not an amplification lever, and it names no provider, model or price.Two gaps it named in the tests are closed in this branch: the missing end-to-end assertion through the real registration, and the missing traversal, case and HEAD negatives. The percent-encoded cases arrived later, in review, and are described above; they are positive rather than negative, because the decoded comparison admits them. One comment it flagged as imprecise is corrected.
Buglog entry
{"id":"1377-voices-route-gated-by-selector","date":"2026-09-02","title":"GET /v1/audio/voices answered 401 on the box despite being registered unauthenticated","error_message":"{\"error\":{\"code\":\"UNAUTHENTICATED\",\"message\":\"missing bearer\",\"type\":\"UNAUTHORIZED\"}} from curl http://localhost:8080/v1/audio/voices on the demo box","root_cause":"registerAudioVoicesRoute attaches audio.VoicesHandler() onto the mux with no authorizer, but authSelectorMiddleware wraps the whole mux and intercepts every /v1/ path. auth.Selector routes to the API-key handler only for a Bearer hk_ credential and sends everything else, including a request with no Authorization header, to the JWT middleware, which 401s before the mux is reached. The unauthenticated registration was therefore inert while JWT auth was configured. Open WebUI's voice dropdown then fell back to its hardcoded OpenAI voice list, which is the shape issue #996 was closed to prevent.","fix":"Named the path once as the constant audioVoicesPath, used at registration and in authSelectorMiddleware's exemption, and added it to that exemption alongside webToolsListPath. Exact path and exact method, compared by equality rather than prefix. Same mechanism PR #1730 used for GET /v1/tools, which was the same defect on a different route.","tags":["auth","edge-api","voice","open-webui","middleware","issue-1377"]}🤖 Generated with Claude Code
https://claude.ai/code/session_01PGAcTcHd3PdD531LaLqXbw
Summary by CodeRabbit
New Features
GETrequest without authentication, making available voice options easier to discover.Bug Fixes
GETrequests.