2025-11-12 22:45:29 +08:00
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/**
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2025-11-25 00:58:51 +08:00
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* Token 统一管理器
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*
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* 功能特性:
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* - ✅ 安全存储访问令牌、刷新令牌、过期时间等信息
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* - ✅ 自动检查令牌是否过期(支持提前刷新缓冲时间)
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* * ✅ 提供订阅者模式,监听令牌变化事件
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*
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2026-01-17 14:43:42 +08:00
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2025-11-12 22:45:29 +08:00
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*/
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2025-11-25 00:58:51 +08:00
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// localStorage 中存储的键名常量
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2025-11-12 22:45:29 +08:00
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const TOKEN_KEYS = {
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2025-11-25 00:58:51 +08:00
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ACCESS_TOKEN: 'access_token',
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REFRESH_TOKEN: 'refresh_token',
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EXPIRES_TIME: 'expires_time',
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TOKEN_TYPE: 'token_type',
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2025-11-12 22:45:29 +08:00
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}
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2025-11-25 00:58:51 +08:00
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class TokenManager {
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constructor() {
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this.subscribers = [] // 订阅token变化的回调
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2025-11-12 22:45:29 +08:00
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}
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2025-12-28 00:19:17 +08:00
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/**
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2026-02-08 19:46:17 +08:00
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* 解析 LocalDateTime 格式为毫秒时间戳
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2025-12-28 00:19:17 +08:00
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* @param {string} dateTimeStr - LocalDateTime 格式字符串,如 "2025-12-27T10:27:42"
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* @returns {number} Unix 时间戳(毫秒)
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*/
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parseLocalDateTime(dateTimeStr) {
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if (!dateTimeStr) return 0
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2026-02-08 19:46:17 +08:00
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// 规范化日期字符串:将空格替换为 T
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2025-12-28 00:19:17 +08:00
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const normalizedStr = dateTimeStr.includes(' ')
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? dateTimeStr.replace(' ', 'T')
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: dateTimeStr
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2026-02-08 19:46:17 +08:00
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// 使用原生 Date API 解析
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const parsedTime = new Date(normalizedStr)
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2025-12-28 00:19:17 +08:00
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2026-02-08 19:46:17 +08:00
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if (isNaN(parsedTime.getTime())) {
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2025-12-28 00:19:17 +08:00
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console.warn('[TokenManager] 无法解析过期时间:', dateTimeStr)
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return 0
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}
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2026-02-08 19:46:17 +08:00
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return parsedTime.getTime() // 返回毫秒时间戳
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2025-12-28 00:19:17 +08:00
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}
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2025-11-25 00:58:51 +08:00
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/**
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* 获取访问令牌
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* @returns {string|null} 访问令牌,如果不存在则返回 null
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*/
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getAccessToken() {
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return localStorage.getItem(TOKEN_KEYS.ACCESS_TOKEN)
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}
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2025-11-12 22:45:29 +08:00
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2025-11-25 00:58:51 +08:00
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/**
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* 获取刷新令牌
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* @returns {string|null} 刷新令牌,如果不存在则返回 null
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*/
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getRefreshToken() {
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return localStorage.getItem(TOKEN_KEYS.REFRESH_TOKEN)
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2025-11-12 22:45:29 +08:00
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}
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2025-11-25 00:58:51 +08:00
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/**
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* 获取过期时间(毫秒时间戳)
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* @returns {number} 过期时间戳,如果未设置则返回 0
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*/
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getExpiresTime() {
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const expiresTimeStr = localStorage.getItem(TOKEN_KEYS.EXPIRES_TIME)
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return expiresTimeStr ? parseInt(expiresTimeStr, 10) : 0
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2025-11-12 22:45:29 +08:00
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}
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2025-11-25 00:58:51 +08:00
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/**
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* 获取令牌类型
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* @returns {string} 令牌类型,默认为 'Bearer'
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*/
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getTokenType() {
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return localStorage.getItem(TOKEN_KEYS.TOKEN_TYPE) || 'Bearer'
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2025-11-12 22:45:29 +08:00
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}
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2025-11-25 00:58:51 +08:00
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/**
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* 检查访问令牌是否已过期
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* @param {number} bufferTime - 提前刷新缓冲时间(毫秒),默认 5 分钟
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* @returns {boolean} 如果已过期或即将过期(超过缓冲时间)则返回 true
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*/
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isExpired(bufferTime = 5 * 60 * 1000) {
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const expiresTime = this.getExpiresTime()
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const now = Date.now()
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// 没有过期时间或当前时间已超过(过期时间 - 缓冲时间)
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return !expiresTime || now >= (expiresTime - bufferTime)
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}
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2025-11-12 22:45:29 +08:00
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2025-11-25 00:58:51 +08:00
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/**
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* 检查用户是否已登录(有有效的访问令牌)
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* @returns {boolean} 如果有有效令牌则返回 true
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*/
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isLoggedIn() {
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const token = this.getAccessToken()
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return Boolean(token) && !this.isExpired()
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2025-11-12 22:45:29 +08:00
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}
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2025-11-25 00:58:51 +08:00
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/**
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* 存储访问令牌和相关信息到本地存储
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* @param {Object} tokenInfo - 令牌信息对象
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* @param {string} tokenInfo.accessToken - 访问令牌(必填)
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* @param {string} tokenInfo.refreshToken - 刷新令牌(可选)
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* @param {number} tokenInfo.expiresIn - 令牌有效期(秒,可选)
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2025-12-28 00:19:17 +08:00
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* @param {string|number} tokenInfo.expiresTime - 过期时间(可选,支持 LocalDateTime 字符串、数字格式)
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2025-11-25 00:58:51 +08:00
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* @param {string} tokenInfo.tokenType - 令牌类型,默认为 'Bearer'
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*/
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setTokens(tokenInfo) {
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const {
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accessToken,
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refreshToken,
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expiresIn,
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2025-12-28 00:19:17 +08:00
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expiresTime,
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2025-11-25 00:58:51 +08:00
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tokenType = 'Bearer'
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} = tokenInfo
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// 校验:必须提供访问令牌
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if (!accessToken) {
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console.error('[TokenManager] 设置令牌失败:缺少 accessToken')
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return
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}
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2025-11-12 22:45:29 +08:00
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2025-11-25 00:58:51 +08:00
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// 存储到 localStorage
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localStorage.setItem(TOKEN_KEYS.ACCESS_TOKEN, accessToken)
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if (refreshToken) {
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localStorage.setItem(TOKEN_KEYS.REFRESH_TOKEN, refreshToken)
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2025-11-12 22:45:29 +08:00
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}
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2025-11-25 00:58:51 +08:00
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2025-12-28 00:19:17 +08:00
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// 处理过期时间
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let expiresTimeMs = 0
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2025-11-25 00:58:51 +08:00
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if (expiresTime) {
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2025-12-28 00:19:17 +08:00
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// 检查类型并转换
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if (typeof expiresTime === 'string' && expiresTime.includes('T')) {
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// LocalDateTime 格式
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expiresTimeMs = this.parseLocalDateTime(expiresTime)
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} else if (typeof expiresTime === 'number') {
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// 数字格式(可能是秒或毫秒)
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expiresTimeMs = expiresTime > 10000000000 ? expiresTime : expiresTime * 1000
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} else if (expiresIn) {
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// 通过 expiresIn 计算
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expiresTimeMs = Date.now() + (expiresIn * 1000)
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}
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if (expiresTimeMs) {
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localStorage.setItem(TOKEN_KEYS.EXPIRES_TIME, String(expiresTimeMs))
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}
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2025-11-12 22:45:29 +08:00
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}
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2025-11-25 00:58:51 +08:00
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localStorage.setItem(TOKEN_KEYS.TOKEN_TYPE, tokenType)
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// 通知所有订阅者令牌已更新
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this.notifySubscribers('token-set', tokenInfo)
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2025-11-12 22:45:29 +08:00
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}
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2025-11-25 00:58:51 +08:00
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/**
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* 清除所有存储的令牌信息
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* 从 localStorage 中删除所有令牌相关数据,并通知订阅者
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*/
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clearTokens() {
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// 删除所有令牌相关的 localStorage 项
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Object.values(TOKEN_KEYS).forEach(key => {
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localStorage.removeItem(key)
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})
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// 通知所有订阅者令牌已被清除
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this.notifySubscribers('token-cleared', null)
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2025-11-12 22:45:29 +08:00
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}
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2025-11-25 00:58:51 +08:00
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/**
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* 生成完整的 Authorization 请求头值
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* @returns {string} 例如:"Bearer eyJhbGciOi...",如果没有令牌则返回空字符串
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*/
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getAuthHeader() {
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const token = this.getAccessToken()
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const tokenType = this.getTokenType()
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// 只有当令牌存在时才返回完整的 Authorization 头
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return token ? `${tokenType} ${token}` : ''
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}
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/**
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* 订阅令牌变化事件
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* @param {Function} callback - 回调函数,接收 (type, tokenInfo) 两个参数
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* - type: 事件类型('token-set' | 'token-cleared')
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* - tokenInfo: 令牌信息对象或 null
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*/
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subscribe(callback) {
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// 仅接受函数类型的回调
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if (typeof callback === 'function') {
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this.subscribers.push(callback)
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}
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2025-11-12 22:45:29 +08:00
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}
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2025-11-25 00:58:51 +08:00
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/**
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* 取消令牌变化事件订阅
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* @param {Function} callback - 要取消的回调函数
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*/
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unsubscribe(callback) {
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const index = this.subscribers.indexOf(callback)
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// 如果找到回调函数,则从数组中移除
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if (index !== -1) {
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this.subscribers.splice(index, 1)
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}
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2025-11-12 22:45:29 +08:00
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}
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2025-11-25 00:58:51 +08:00
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/**
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* 通知所有订阅者令牌已发生变化
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* @param {string} type - 事件类型
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* @param {Object|null} tokenInfo - 令牌信息
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*/
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notifySubscribers(type, tokenInfo) {
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// 遍历所有订阅者并调用其回调函数
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this.subscribers.forEach(callback => {
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2025-11-12 22:45:29 +08:00
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try {
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2025-11-25 00:58:51 +08:00
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callback(type, tokenInfo)
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} catch (error) {
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// 订阅者回调出错不应影响其他回调的执行
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console.error('[TokenManager] 订阅者回调执行失败:', error)
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2025-11-12 22:45:29 +08:00
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}
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})
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}
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2025-11-25 00:58:51 +08:00
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/**
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* 【兼容方法】获取访问令牌
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* @deprecated 请使用 getAccessToken() 替代
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* @returns {string|null} 访问令牌
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*/
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getToken() {
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return this.getAccessToken()
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}
|
2025-11-12 22:45:29 +08:00
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2025-11-25 00:58:51 +08:00
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/**
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* 【兼容方法】移除所有令牌
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* @deprecated 请使用 clearTokens() 替代
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*/
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removeToken() {
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this.clearTokens()
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}
|
2025-11-12 22:45:29 +08:00
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}
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2025-11-25 00:58:51 +08:00
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|
// 创建 TokenManager 单例实例
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|
const tokenManager = new TokenManager()
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// 最简单的导出方式:直接导出实例
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// 使用方法:import tokenManager from '@gold/utils/token-manager'
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// tokenManager.getAccessToken()
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export default tokenManager
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