mirror of
https://github.com/truewhile/MeBox.git
synced 2026-11-16 04:44:23 +08:00
bug处理
This commit is contained in:
@@ -5,6 +5,9 @@ import {
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RefreshRequestError,
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createRefreshCoordinator,
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createSingleFlightRunner,
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createTokenPreflight,
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decodeJwtExpiryMs,
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isAccessTokenStale,
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refreshFailureOutcome,
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type RefreshOutcome,
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type RefreshTokens,
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@@ -30,6 +33,149 @@ check('timeout is transient', refreshFailureOutcome(408) === 'transient')
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check('429 is transient', refreshFailureOutcome(429) === 'transient')
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check('unexpected status is transient', refreshFailureOutcome(418) === 'transient')
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// ── JWT 过期判定:首屏放行前必须能识别出「已经过期的 access token」 ────────
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// 现场(2026-10-16 12:49):刷新页面时本地 token 已过期,React 首屏并发发出
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// 7 个受保护请求,全部 401,控制台一次性刷出 7 行红字;约 2 秒后才由拦截器
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// 刷新成功并重放。修复要求首屏就认得过期 token,先刷新再放行。
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function jwtWithExp(exp: number | string | null): string {
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const encode = (value: unknown) =>
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Buffer.from(JSON.stringify(value)).toString('base64url')
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const claims: Record<string, unknown> = { uid: 'u1' }
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if (exp !== null) claims.exp = exp
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return `${encode({ alg: 'HS256', typ: 'JWT' })}.${encode(claims)}.signature`
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}
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const NOW = 1_700_000_000_000
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check('jwt expiry is decoded to milliseconds',
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decodeJwtExpiryMs(jwtWithExp(NOW / 1000 + 3600)) === NOW + 3600_000)
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check('jwt without exp decodes to null', decodeJwtExpiryMs(jwtWithExp(null)) === null)
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check('jwt with non-numeric exp decodes to null', decodeJwtExpiryMs(jwtWithExp('soon')) === null)
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check('opaque token decodes to null', decodeJwtExpiryMs('not-a-jwt') === null)
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check('empty token decodes to null', decodeJwtExpiryMs('') === null)
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check('malformed payload decodes to null', decodeJwtExpiryMs('aaa.!!!.ccc') === null)
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// 已过期 / 即将过期的 token 必须在首屏就被拦下。
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check('expired token is stale', isAccessTokenStale(jwtWithExp(NOW / 1000 - 1), NOW))
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check('token expiring inside the skew is stale',
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isAccessTokenStale(jwtWithExp(NOW / 1000 + 20), NOW))
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check('token outside the skew is fresh',
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isAccessTokenStale(jwtWithExp(NOW / 1000 + 3600), NOW) === false)
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// 边界:正好落在 skew 上算过期(留出余量,避免刷新途中再次过期)。
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check('token exactly at the skew boundary is stale',
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isAccessTokenStale(jwtWithExp(NOW / 1000 + 30), NOW))
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// 没有 token 或 token 无法解析时不能判定为「过期」:
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// 前者由路由守卫处理,后者强行刷新会变成无休止的刷新循环。
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check('missing token is not stale', isAccessTokenStale(null, NOW) === false)
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check('opaque token is not stale', isAccessTokenStale('opaque', NOW) === false)
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// ── 发送前预检:本地 token 已过期就先刷新,再让请求带新令牌出去 ────────────
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// 现场(2026-10-16 12:49):刷新页面时本地 token 已过期,React 首屏并发发出
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// 7 个受保护请求,全部 401,控制台一次刷出 7 行红字;约 2 秒后才由 401 拦截器
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// 刷新成功并重放。修复要求请求在发出前就认得过期 token,先刷新再发送。
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async function expectPreflight(
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name: string,
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run: Promise<void>,
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want: 'resolved' | 'rejected',
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) {
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let outcome: 'resolved' | 'rejected' = 'resolved'
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try {
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await run
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} catch {
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outcome = 'rejected'
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}
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if (outcome !== want) throw new Error(`authRefresh: ${name} = ${outcome}, want ${want}`)
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}
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function preflightHarness(overrides: {
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accessToken?: string | null
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refresh?: () => Promise<RefreshOutcome>
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}) {
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const state = { token: overrides.accessToken === undefined ? 'at-1' : overrides.accessToken }
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const calls = { refresh: 0 }
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const ensure = createTokenPreflight({
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readAccessToken: () => state.token,
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refreshSession: async () => {
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calls.refresh += 1
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if (overrides.refresh) return overrides.refresh()
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state.token = jwtWithExp(Date.now() / 1000 + 3600)
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return 'refreshed'
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},
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now: () => NOW,
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})
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return { state, calls, ensure }
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}
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{
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// 令牌新鲜:不得产生任何刷新请求。
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const { calls, ensure } = preflightHarness({ accessToken: jwtWithExp(NOW / 1000 + 3600) })
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await expectPreflight('fresh token passes straight through', ensure(), 'resolved')
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check('fresh token skips the refresh', calls.refresh === 0)
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}
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{
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// 核心回归:过期令牌必须先刷新,且刷新完成后才返回(调用方据此发请求)。
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const { state, calls, ensure } = preflightHarness({ accessToken: jwtWithExp(NOW / 1000 - 60) })
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await expectPreflight('stale token refreshes before sending', ensure(), 'resolved')
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check('stale token refreshed exactly once', calls.refresh === 1)
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check('preflight handed out a fresh token',
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!isAccessTokenStale(state.token, NOW))
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}
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{
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// 并发首屏:7 个请求同时预检,只允许刷新一次(协调器本身是单飞,
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// 这里确认预检不会绕过它)。
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const { calls, ensure } = preflightHarness({ accessToken: jwtWithExp(NOW / 1000 - 60) })
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await Promise.all([ensure(), ensure(), ensure(), ensure(), ensure(), ensure(), ensure()])
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check('concurrent preflight refreshes once', calls.refresh === 1)
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}
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{
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// 瞬时故障(部署/重启窗口):保留会话,照常发出请求——
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// 页面自己会重试,不该把人挡在门外。
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const { ensure } = preflightHarness({
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accessToken: jwtWithExp(NOW / 1000 - 60),
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refresh: async () => 'transient',
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})
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await expectPreflight('transient failure still sends the request', ensure(), 'resolved')
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}
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{
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// 服务端明确判定凭证失效:不发请求,直接失败,避免刷出无意义的 401。
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const { ensure } = preflightHarness({
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accessToken: jwtWithExp(NOW / 1000 - 60),
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refresh: async () => 'invalid',
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})
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await expectPreflight('revoked session refuses to send', ensure(), 'rejected')
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}
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{
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// 未登录:交给路由守卫和 401 路径处理,预检不替它们做决定。
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const { calls, ensure } = preflightHarness({ accessToken: null })
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await expectPreflight('anonymous request is not preflighted', ensure(), 'resolved')
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check('anonymous request does not refresh', calls.refresh === 0)
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}
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{
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// 非 JWT 令牌(Emby 等外部客户端签发):读不出 exp,按新鲜处理,
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// 绝不能因此陷入刷新循环。
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const { calls, ensure } = preflightHarness({ accessToken: 'opaque-token' })
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await expectPreflight('opaque token passes through', ensure(), 'resolved')
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check('opaque token does not refresh', calls.refresh === 0)
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}
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{
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// 刷新抛出异常(网络不可达):按瞬时故障处理,请求照发。
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const { ensure } = preflightHarness({
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accessToken: jwtWithExp(NOW / 1000 - 60),
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refresh: async () => {
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throw new Error('network down')
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},
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})
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await expectPreflight('throwing refresh still sends the request', ensure(), 'resolved')
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}
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// ── 单飞:并发调用共享同一次执行,结束后可重新执行 ────────────────────────
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{
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let calls = 0
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