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fix(auth): wait for tokens before uncovered requests - #5992
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Queue retained tokens before publishing replacement sessions, then hold uncovered requests until presented tokens settle. Pin scope-before-AUTH_OK and union renewal, and clarify the lite draft without new wire bytes. Co-Authored-By: GPT-6.1-Sol <noreply@openai.com>
Exercise the core admission gate directly so the regression also compiles and runs without the optional async wrapper. Co-Authored-By: GPT-6.1-Sol <noreply@openai.com>
Keep the missing-FETCH mutation after the new authorization admission check so it still applies and proves the recovery drill detects Unanswered requests. Co-Authored-By: GPT-6.1-Sol <noreply@openai.com>
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WalkthroughAuthorization now waits for unresolved non-empty tokens when a request is not covered. Rust and JavaScript subscriber and publisher paths receive Priority: ⬇️ Low Merge Risk: ⚪ Minimal · up to
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| Check name | Status | Explanation | Resolution |
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Docstring coverage is 74.51% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 51 functions across 15 files. | Write docstrings for the functions missing them to satisfy the coverage threshold. |
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Check name Status Explanation Title check The title clearly and concisely summarizes the main change: waiting for tokens before processing requests that are outside the current authorization grant. Description check The description is directly related to the changeset. It explains the authentication-wait problem, implementation approach, lifecycle handling, validation, and impact. Linked Issues check Check skipped because no linked issues were found for this pull request. Out of Scope Changes check Check skipped because no linked issues were found for this pull request.
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A replacement published between the replay task's snapshot and its take of the queued registration was dropped, withdrawing the token from a session consumers could already see. Leave a newer registration queued for the task's next pass and drop only stale ones. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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💡 Codex Reviewmoq/rs/moq-tokio/src/connection/auth.rs Line 87 in 75c5587  Keep pending registrations on draining sessions
If another replacement connects before this queued Lines 1894 to 1898 in 75c5587  Ignore publications withdrawn while authorization waits
When an uncovered broadcast is withdrawn while this gate waits for a token, its AGENTS.md reference: rs/moq-net/AGENTS.md:L7-L7 moq/rs/moq-net/src/lite/subscriber.rs Lines 5494 to 5496 in 75c5587 Check abandoned track demand before parking on auth
When a nonempty token remains unanswered and the path is not already covered, this returns AGENTS.md reference: rs/AGENTS.md:L15-L15 ℹ️ About Codex in GitHubYour team has set up Codex to review pull requests in this repo. Reviews are triggered when you
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Inline comments:
Review comments at @js/net/src/auth_session.ts:
- Around line 634-638: In enforceGrant, recheck the current advertised table
after await auth?.ready(path, "publish") and skip closing when advertised.peek()
no longer contains path; only add path to live when it is still advertised.
Apply the equivalent End-event-aware check in Enforce::poll so withdrawn paths
are not rejected as unauthorized broadcasts.
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doc/concept/moq-lite.mddrafts/draft-lcurley-moq-lite.mdjs/net/src/auth.test.tsjs/net/src/auth_session.tsjs/net/src/ietf/connection.tsjs/net/src/ietf/publisher.tsjs/net/src/ietf/subscriber.tsjs/net/src/lite/connection.tsjs/net/src/lite/publisher.tsjs/net/src/lite/subscriber.tsrs/moq-net/benches/auth.rsrs/moq-net/src/auth.rsrs/moq-net/src/ietf/subscriber.rsrs/moq-net/src/lite/subscriber.rsrs/moq-net/tests/integration/auth.rsrs/moq-tokio/src/connection.rsrs/moq-tokio/src/connection/auth.rstest/drill/mutations/fetch-never-sent.patch
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A migration dropped a replayed token still unanswered on the session it left, withdrawing it from requests there that waited on its answer. The replay task now keeps every unanswered registration, queued or in flight, on its draining session until that session ends. A broadcast withdrawn while its publication waited on a token closed the session once the token settled without covering it. Rust and JS now apply queued withdrawals before judging the wait. A subscription abandoned while it waited on a token held its task and track until the token answered. The lite and IETF subscribers in Rust and JS now give up the wait once nobody wants the track. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Resolve the lite track abandonment conflict onto main's poll_unwanted, used by the new auth-wait checks in both subscribers. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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Main replaced Demand.used with Demand.wanted; follow it. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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Each auth wait now ends when the request it holds ends: - A Gate under an announced route stops waiting once the route is withdrawn, and the request is judged against the union as it stands. - JS AuthSession.ready races a lazily created lifetime promise (`until`) instead of taking a track Demand. Subscribes pass the shared `abandoned(demand)` helper, now also used by the IETF serve loop, and fetches pass their group's demand, so an abandoned fetch no longer parks on a token. - A draining session's token lives in a task that releases it, and its session handle, as soon as that session closes. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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Inline comments:
Review comments at @rs/moq-net/tests/integration/auth.rs:
- Around line 640-643: Update the assertion after pair.server.closed() in the
affected test to also inspect pair.client_transport.close_reason(), require the
transport to be closed, and verify the reason is "unauthorized: still-bad",
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doc/concept/moq-lite.mddrafts/draft-lcurley-moq-lite.mdjs/net/src/auth.test.tsjs/net/src/auth_session.tsjs/net/src/ietf/connection.tsjs/net/src/ietf/publisher.tsjs/net/src/ietf/subscriber.tsjs/net/src/lite/subscriber.tsjs/net/src/util/demand.tsrs/moq-net/src/auth.rsrs/moq-net/src/ietf/subscriber.rsrs/moq-net/src/lite/subscriber.rsrs/moq-net/tests/integration/auth.rsrs/moq-tokio/src/connection/auth.rs
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Demand that returns between an auth wait observing its request's abandonment and acting on it now keeps the request waiting, matching the serving loops: subscribes recheck the track's demand and fetches the group's. The unanswered-token publication test now also names the refused broadcast. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
request-update.md keeps its prose; only its two links now point at the PR. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Problem
A request or publication relying on a newly presented token can fail before AUTH settles. Reconnect replay published the replacement session before registering retained tokens.
Approach
Queue replayed tokens before publishing the session. Shared Rust and JS admission waits for unanswered nonempty tokens only when the known union does not cover the path, and logs each wait once. Keep covered requests live through renewal. Clarify scope ordering and renewal in the lite draft and user documentation.
The replay task takes only the registration queued for the session it observed. One queued for a newer session stays in place for its next pass, so a replacement published between the task's snapshot and its take never loses the token. Registrations for sessions it has moved past, queued or in flight and still unanswered, stay on that draining session until it ends, since requests there may still wait on the answer.
Every auth wait ends with the lifetime of the request it holds:
Gateunder an announced route stops waiting once the route is withdrawn, and the request is judged against the union as it stands, so routing can recover.AuthSession.readyracesuntil, the request's own lifetime, which it creates only once the request has to wait. Subscribes pass a sharedabandoned(demand)helper, also used by the IETF serve loop, and fetches pass their group's demand. Demand that returns before the wait acts on its end keeps the request waiting, as in the serving loops.Exercise the admission polling invariant across feature configurations. Retarget the existing never-send-FETCH mutation after admission gating and verify that it still breaks its drill.
Impact
AuthSession.ready(not exported) takes{ signal, until }and resolves false onceuntilsettles first.Alternatives
Per-request auth identifiers and acceptor-side waiting were rejected by the maintainer. This implements the settled presenter-side wait without a timer or stats counter.
Decisions
Gateobserves its own route, Rust callers race demand through the existingpoll_unwanted, and JSreadytakes one lazy lifetime promise (recommended); a single cross-language primitive that every caller hands an abstract lifetime, rejected because Rust gate users already poll demand uniformly and a callback parameter would cut against the API rules.Validation
At
b1194108a045c85873deb5354b5fab94832eb3b0(merged with main):just checkpassed, including 7,643 native tests (31 skipped) and all 1,038 net-feature tests.just drafts checkpassed atce8302d1220b03a47eef1e926d3fc83e94c692fa, and the draft has not changed since.a_stale_snapshot_keeps_the_newer_sessions_registration,a_draining_session_keeps_an_unanswered_replay(untaken and in-flight paths),a_closed_draining_session_releases_its_token,a_broadcast_withdrawn_while_its_token_waits_is_not_refused(lite-07, moqt-17, moqt-22),an_unused_track_stops_waiting_for_auth,an_abandoned_subscribe_stops_waiting_for_auth,a_withdrawn_route_ends_the_wait, anda_withdrawn_route_ends_a_subscribe_waiting_for_auth.a broadcast withdrawn while its token waits is not refused,a subscribe abandoned while its token waits never reaches the wire(all three protocols),a fetch abandoned while its token waits never reaches the wire, and the microtask sweepsa subscribe that regains a reader while its token waits keeps waiting(all three protocols) anda fetch that regains a caller while its token waits keeps waiting, which fail at gaps 6 to 10 without the demand recheck.At checkpoint
4a643aadd71db35b204fac9239b963454eb03085:just drafts checkpassed.rust,python,go,cppand subscribersrust,python,go,cpp,js-native-node,js-native-bun,c,gst, with timeout 30. All 32 publisher/subscriber combinations, authorization refusal, CLI FETCH, finite tails, and DROP checks passed.The original refusal was reproduced on unchanged Rust and JS sources. The focused Rust auth/reconnect suite passed 156 tests and the benchmark sweep completed 18 rows at earlier checkpoint
d608998e24878cdb44b059892a2705d2183f2279. These benchmark observations have no performance acceptance threshold.Follow-ups
The browser-inclusive interop gate was not run locally because pinned Chromium 1248 cannot load
libglib-2.0.so.0. No maintainer decisions are open for this change.(written by GPT-6.1-Sol, iterated by Claude Opus 5.5)
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