Class TokenManager

src/utils/token-manager.js:10–255

* 令牌管理器 * 负责令牌的获取、验证、刷新等操作

 * 令牌管理器
 * 负责令牌的获取、验证、刷新等操作
 */
class TokenManager {
    constructor() {
        // Legacy default; overridden per-account when fingerprint is available
        this.defaultHeaders = {
            'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.0.0.0 Safari/537.36 Edg/134.0.0.0'
        }
    }

    /**
     * 获取登录端点
     * @returns {string} 登录端点URL
     */
    get loginEndpoint() {
        return `${getChatBaseUrl()}/api/v1/auths/signin`
    }

    /**
     * 用户登录获取令牌
     * @param {string} email - 邮箱
     * @param {string} password - 密码
     * @param {Object} [account] - 账户对象（用于解析账号级代理；为空时回退到全局 PROXY_URL）
     * @returns {Promise<string|null>} 令牌或null
     */
    async login(email, password, account) {
        try {
            const proxyAgent = getProxyAgent(account)
            // Use per-account fingerprint UA when available; fall back to legacy Edge UA
            const ua = (account && account.fingerprint) ? buildUserAgent(account.fingerprint) : this.defaultHeaders['User-Agent']
            const requestConfig = {
                headers: { 'User-Agent': ua },
                timeout: 10000 // 10秒超时
            }

            // 添加代理配置
            if (proxyAgent) {
                requestConfig.httpsAgent = proxyAgent
                requestConfig.proxy = false
            }

            const response = await axios.post(this.loginEndpoint, {
                email: email,
                password: sha256Encrypt(password)
            }, requestConfig)

            if (response.data && response.data.token) {
                logger.success(`${email} 登录成功：${response.data.token}`, 'AUTH')
                return response.data.token
            } else {
                logger.error(`${email} 登录响应缺少令牌`, 'AUTH')
                return null
            }
        } catch (error) {
            if (error.response) {
                logger.error(`${email} 登录失败 (${error.response.status})`, 'AUTH', '', error)
            } else if (error.request) {
                logger.error(`${email} 登录失败: 网络请求超时或无响应`, 'AUTH')
            } else {