154 lines
4.2 KiB
TypeScript
154 lines
4.2 KiB
TypeScript
/**
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* Token管理服务
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* 负责处理OAuth访问令牌的刷新和管理
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* 如果需要添加新的Token相关功能：
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* 1. 优先考虑在 `TokenManager` 中添加
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* 2. 如果需要新的网络请求，在 `OAuthClient` 中添加
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*/
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import { OAuthClient } from "./oauth-client";
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import { OAUTH_CONFIG } from "~/config/api-config";
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interface TokenInfo {
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accessToken: string;
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refreshToken: string;
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tokenIssuedAt: number;
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tokenExpiresIn: number;
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}
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interface RefreshResult {
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success: boolean;
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newTokenInfo?: TokenInfo;
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error?: string;
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}
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/**
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* Token管理服务
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* 负责处理OAuth访问令牌的刷新和管理
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*/
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export class TokenManager {
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private oauthClient: OAuthClient;
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constructor() {
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this.oauthClient = new OAuthClient(OAUTH_CONFIG);
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}
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/**
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* 检查token是否过期
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*/
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isTokenExpired(tokenInfo: TokenInfo): boolean {
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const now = Date.now();
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const expiresAt = tokenInfo.tokenIssuedAt + (tokenInfo.tokenExpiresIn * 1000);
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return now >= expiresAt;
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}
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/**
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* 检查token是否需要刷新（提前5分钟）
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*/
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shouldRefreshToken(tokenInfo: TokenInfo, refreshThresholdMinutes: number = 5): boolean {
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const now = Date.now();
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const expiresAt = tokenInfo.tokenIssuedAt + (tokenInfo.tokenExpiresIn * 1000);
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const refreshThreshold = refreshThresholdMinutes * 60 * 1000;
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return now >= (expiresAt - refreshThreshold);
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}
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/**
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* 获取token剩余有效时间（秒）
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*/
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getTokenRemainingTime(tokenInfo: TokenInfo): number {
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const now = Date.now();
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const expiresAt = tokenInfo.tokenIssuedAt + (tokenInfo.tokenExpiresIn * 1000);
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return Math.floor((expiresAt - now) / 1000);
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}
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/**
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* 刷新访问令牌
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*/
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async refreshToken(refreshToken: string): Promise<RefreshResult> {
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try {
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console.log("开始刷新访问令牌...");
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const newTokenResponse = await this.oauthClient.refreshAccessToken(refreshToken);
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if (!newTokenResponse) {
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console.error("刷新令牌失败：服务器返回空响应");
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return {
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success: false,
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error: "服务器返回空响应"
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};
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}
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const newTokenInfo: TokenInfo = {
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accessToken: newTokenResponse.access_token,
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refreshToken: newTokenResponse.refresh_token,
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tokenIssuedAt: Date.now(),
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tokenExpiresIn: newTokenResponse.expires_in
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};
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console.log(`令牌刷新成功，新令牌有效期: ${newTokenResponse.expires_in}秒`);
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return {
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success: true,
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newTokenInfo
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};
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} catch (error) {
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console.error("刷新令牌时发生错误:", error);
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return {
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success: false,
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error: error instanceof Error ? error.message : "未知错误"
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};
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}
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}
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/**
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* 检查并自动刷新token（如果需要）
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*/
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async checkAndRefreshToken(tokenInfo: TokenInfo): Promise<RefreshResult> {
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// 如果token已过期，必须刷新
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if (this.isTokenExpired(tokenInfo)) {
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console.log("Token已过期，尝试刷新...");
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return this.refreshToken(tokenInfo.refreshToken);
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}
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// 如果token即将过期，主动刷新
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if (this.shouldRefreshToken(tokenInfo)) {
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const remainingTime = this.getTokenRemainingTime(tokenInfo);
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console.log(`Token将在${remainingTime}秒后过期，主动刷新...`);
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return this.refreshToken(tokenInfo.refreshToken);
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}
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// Token仍然有效，无需刷新
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return {
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success: true,
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newTokenInfo: tokenInfo
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};
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}
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/**
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* 格式化token到期时间
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*/
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formatTokenExpiry(tokenInfo: TokenInfo): string {
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const expiresAt = new Date(tokenInfo.tokenIssuedAt + (tokenInfo.tokenExpiresIn * 1000));
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return expiresAt.toLocaleString('zh-CN');
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}
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/**
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* 获取token状态信息（用于调试）
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*/
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getTokenStatus(tokenInfo: TokenInfo): {
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isExpired: boolean;
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shouldRefresh: boolean;
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remainingTime: number;
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expiryTime: string;
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} {
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return {
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isExpired: this.isTokenExpired(tokenInfo),
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shouldRefresh: this.shouldRefreshToken(tokenInfo),
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remainingTime: this.getTokenRemainingTime(tokenInfo),
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expiryTime: this.formatTokenExpiry(tokenInfo)
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};
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}
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}
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// 导出单例实例
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export const tokenManager = new TokenManager();
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