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fix(codex): never discard a rotated native-main refresh token on cancel - #6859
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A successful refresh_token exchange retires the token it sent. Two paths in resolveMainAccountToken still lost the replacement when the caller went away: - the caller's signal was passed into the exchange, so a disconnect after the POST was sent aborted the request or its body read; - after the exchange resolved, a caller-abort check threw before persistRefreshedMainAuthJson ran (added in lidge-jun#5268). Either way auth.json kept the retired token and the account needed a manual re-login. Caller cancellation now stops only the waits before the exchange. The exchange observes the refresh's own 30-second timeout, the result is published through the unchanged snapshot/identity guards, and the caller's abort reason is thrown after the commit. An external writer that replaced auth.json during the exchange still wins. The claim and refresh-lock helpers await the callback through completion, so a cancelled wait cannot release an acquired lock mid-exchange. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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Merge Risk: 🔵 Low · up to The change is mergeable with a small test follow-up: assert the saved account identity so these tests catch an identity mismatch alongside token rotation. Pre-merge checks |
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Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 1 functions across 3 files. (3 skipped: 3 … | Write docstrings for the functions missing them to satisfy the coverage threshold. |
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Check name Status Explanation Description Check Check skipped - CodeRabbit’s high-level summary is enabled. Title check The title clearly describes the main change: preserving a rotated native-main refresh token when caller cancellation occurs after the exchange starts. 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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Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 1 functions across 3 files. (3 skipped: 3 unsupported.)
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Inline comments:
Review comments at @tests/codex-integration/codex-main-account-refresh.test.ts:
- Around line 349-352: Update both cancellation-publication test assertions that
inspect persisted tokens to also verify account_id is "account-main", matching
the identity returned by refreshOk() and seeded by seedExpired().
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docs-site/src/content/docs/guides/providers.mdsrc/codex/main-account.tsstructure/codex-home.mdstructure/providers/openai-accounts.mdtests/codex-integration/codex-main-account-refresh.test.tstests/responses/responses-alternate-main-cancellation.test.ts
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| For the native main Codex credential in `CODEX_HOME/auth.json`, cancelling a request stops a | ||
| waiting refresh before the token exchange starts. An exchange already started finishes within | ||
| its own 30-second timeout and saves successful access and refresh tokens before reporting the |
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When either lock wait consumes the existing deadline, this advertised 30-second exchange window does not exist: resolveMainAccountToken creates refreshTimeout before withNativeMainExclusiveClaim and withCodexRefreshFileLock (src/codex/main-account.ts:474-495), then passes that already-aging signal to refresh at line 515. For example, reclaiming a roughly 31-second-old crashed lock can take almost 29 seconds, leaving the token POST about one second; the provider can rotate the token before the client aborts and auth.json then keeps the retired grant. Use separate wait and freshly-created exchange timeouts, or state that this is a shared end-to-end deadline.
AGENTS.md reference: docs-site/AGENTS.md:L7-L8
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Summary
Refs #2999 (the native-main publication issue; this closes the token-loss half raised in the #3000 review).
A successful
grant_type=refresh_tokenexchange retires the refresh token it sent. Reviewing #3000, the maintainer wrote: "a caller that cancels late discards the only live refresh token and the account needs manual reauth. A cancelled wait must not decide the fate of a refresh that already succeeded." Currentdevstill loses the rotated token in two ways insideresolveMainAccountToken(src/codex/main-account.ts):refresh(...)resolved,if (dependencies.signal?.aborted) throwran beforepersistRefreshedMainAuthJson. It was added in fix(codex,usage): bind account-scoped evidence to credential generation and add privacy-bounded cache diagnostics #5268 and pinned by the testa caller cancelled during the refresh does not commit the late result.AbortSignal.any([caller, refreshTimeout])was passed tofetchand to the body read. A disconnect after the POST was sent aborted a request the provider may already have completed.In both cases
auth.jsonkept the retired token, and the next refresh gotrefresh_token_reused.Changes:
refreshTimeout(30 s).auth.jsonduring the exchange still wins: the publication is refused, as before.withNativeMainExclusiveClaim(native-main-claim.ts:195) andwithCodexRefreshFileLock(account-store.ts:833) await the callback and release infinally. A cancelled wait therefore cannot free an acquired lock mid-exchange. No helper changes were needed.responses-alternate-main-cancellation'scancel-successcase now expects the rotated grant to be saved, with no follow-up inference.cancel-terminalstill expects no state change.structure/providers/openai-accounts.mdgains a "Native-main refresh cancellation" section,structure/codex-home.mdlinks to it, anddocs-site/.../guides/providers.mddescribes the behavior.Out of scope:
rename(2)window from [Bug]: Native-main refresh publication can overwrite external Codex writers #2999. No FFI or new replacement primitive is added.src/oauth/chatgpt.ts:338,src/oauth/xai.ts:351(local Grok import), andsrc/oauth/nous.ts:718. The stored-pool flight insrc/oauth/index.tsandsrc/codex/account-store.ts:1252already detach the exchange from caller cancellation.This is an authentication surface, so it needs
maintainer-sponsored.Verification
Test runner: Bun 1.4.0 (
OCX_TEST_RUNNER_BUN).bun run test -- tests/codex-integration/codex-main-account-refresh.test.ts tests/responses/responses-alternate-main-cancellation.test.ts tests/responses/responses-native-main-refresh.test.ts: all pass (12 + 6 + 19).93ed1a40b: the main-account file had 9 pass / 3 fail and the alternate-main file 4 pass / 2 fail. Each changed cancellation case failed.bun run test -- tests/codex-integration/codex-main-account-refresh.test.ts tests/responses/... tests/ci-workflows/ --parallel=1: 1562 pass, 1 fail. The failure isbun-runtime.test.ts"PATH-selected process provenance", which fails the same way on unmodifieddevon this host (PATH has an older Bun).bun run test -- tests/codex-integration/ tests/responses/ tests/codex/, then a serial rerun of the files that failed under load: 8 still fail. They are incodex-shim-fnm,codex-shim-standalone,codex-shim-readinessandcodex-catalog-sync-hardening. Every one also fails on unmodifieddevon this host, and none imports the refresh path.bun run typecheck,bun run structure:check,bun run privacy:scan: pass.bun run test: the host's load average was ~33 on 4 cores, causing suite-wide 5 s timeouts. Remaining coverage is left to CI.docs-sitebuild not run locally.Checklist
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Bug Fixes
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