yuyx
962b01d05a
## 后端修改 - 登录时同时设置 token 和 refreshToken 的 HttpOnly Cookie - refreshToken 有效期7天，token 有效期2小时 - 刷新接口优先从 Cookie 读取 refreshToken（向后兼容请求体） - 登出时同时清除两个 Cookie ## 前端修改 - 移除 refreshToken 变量和相关逻辑 - 简化 doRefreshToken()，不再手动传递 refreshToken - 简化 tryRefreshOrLogout()，直接尝试刷新 ## 好处 - 页面刷新后 refreshToken 不会丢失 - 完全无感刷新，用户体验更好 - 前端代码更简洁（减少约20行） - refreshToken 也无法被 XSS 窃取 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>
4599 lines
138 KiB
JavaScript
4599 lines
138 KiB
JavaScript
// 加载环境变量（必须在最开始）
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require('dotenv').config();
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const express = require('express');
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const cors = require('cors');
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const cookieParser = require('cookie-parser');
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const session = require('express-session');
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const svgCaptcha = require('svg-captcha');
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const SftpClient = require('ssh2-sftp-client');
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const multer = require('multer');
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const nodemailer = require('nodemailer');
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const path = require('path');
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const fs = require('fs');
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const { body, validationResult } = require('express-validator');
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const archiver = require('archiver');
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const { exec, execSync, execFile } = require('child_process');
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const net = require('net');
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const dns = require('dns').promises;
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const util = require('util');
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const execAsync = util.promisify(exec);
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const execFileAsync = util.promisify(execFile);
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const { db, UserDB, ShareDB, SettingsDB, VerificationDB, PasswordResetTokenDB, SystemLogDB } = require('./database');
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const { generateToken, generateRefreshToken, refreshAccessToken, authMiddleware, adminMiddleware, isJwtSecretSecure } = require('./auth');
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const app = express();
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const PORT = process.env.PORT || 40001;
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const USERNAME_REGEX = /^[A-Za-z0-9_.\u4e00-\u9fa5-]{3,20}$/u; // 允许中英文、数字、下划线、点和短横线
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const ENFORCE_HTTPS = process.env.ENFORCE_HTTPS === 'true';
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// ===== 安全配置：公开域名白名单（防止 Host Header 注入） =====
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// 必须配置 PUBLIC_BASE_URL 环境变量，用于生成邮件链接和分享链接
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// 例如: PUBLIC_BASE_URL=https://cloud.example.com
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const PUBLIC_BASE_URL = process.env.PUBLIC_BASE_URL || null;
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const ALLOWED_HOSTS = process.env.ALLOWED_HOSTS
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? process.env.ALLOWED_HOSTS.split(',').map(h => h.trim().toLowerCase())
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: [];
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// 获取安全的基础URL（用于生成邮件链接、分享链接等）
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function getSecureBaseUrl(req) {
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// 优先使用配置的公开域名
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if (PUBLIC_BASE_URL) {
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return PUBLIC_BASE_URL.replace(/\/+$/, ''); // 移除尾部斜杠
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}
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// 如果没有配置，验证 Host 头是否在白名单中
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const host = (req.get('host') || '').toLowerCase();
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if (ALLOWED_HOSTS.length > 0 && !ALLOWED_HOSTS.includes(host)) {
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console.warn(`[安全警告] 检测到非白名单 Host 头: ${host}`);
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// 返回第一个白名单域名作为后备
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const protocol = getProtocol(req);
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return `${protocol}://${ALLOWED_HOSTS[0]}`;
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}
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// 开发环境回退（仅在没有配置时使用）
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if (process.env.NODE_ENV !== 'production') {
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return `${getProtocol(req)}://${req.get('host')}`;
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}
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// 生产环境没有配置时，记录警告并使用请求的 Host（不推荐）
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console.error('[安全警告] 生产环境未配置 PUBLIC_BASE_URL，存在 Host Header 注入风险！');
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return `${getProtocol(req)}://${req.get('host')}`;
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}
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// ===== 安全配置：信任代理 =====
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// 默认不信任任何代理（直接暴露场景）
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// 配置选项：
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// - false: 不信任代理（默认，直接暴露）
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// - true: 信任所有代理（不推荐，易被伪造）
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// - 1/2/3: 信任前N跳代理（推荐，如 Nginx 后部署用 1）
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// - 'loopback': 仅信任本地回环地址
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// - '10.0.0.0/8,172.16.0.0/12,192.168.0.0/16': 信任指定IP/CIDR段
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const TRUST_PROXY_RAW = process.env.TRUST_PROXY;
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let trustProxyValue = false; // 默认不信任
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if (TRUST_PROXY_RAW !== undefined && TRUST_PROXY_RAW !== '') {
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if (TRUST_PROXY_RAW === 'true') {
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trustProxyValue = true;
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console.warn('[安全警告] TRUST_PROXY=true 将信任所有代理，存在 IP/协议伪造风险！建议设置为具体跳数(1)或IP段');
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} else if (TRUST_PROXY_RAW === 'false') {
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trustProxyValue = false;
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} else if (/^\d+$/.test(TRUST_PROXY_RAW)) {
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||
// 数字：信任前N跳
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trustProxyValue = parseInt(TRUST_PROXY_RAW, 10);
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} else {
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// 字符串：loopback 或 IP/CIDR 列表
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trustProxyValue = TRUST_PROXY_RAW;
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}
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}
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app.set('trust proxy', trustProxyValue);
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console.log(`[安全] trust proxy 配置: ${JSON.stringify(trustProxyValue)}`);
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// 配置CORS - 严格白名单模式
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const allowedOrigins = process.env.ALLOWED_ORIGINS
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? process.env.ALLOWED_ORIGINS.split(',').map(origin => origin.trim())
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: []; // 默认为空数组，不允许任何域名
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const corsOptions = {
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credentials: true,
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origin: (origin, callback) => {
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// 生产环境必须配置白名单
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if (allowedOrigins.length === 0 && process.env.NODE_ENV === 'production') {
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console.error('❌ 错误: 生产环境必须配置 ALLOWED_ORIGINS 环境变量！');
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callback(new Error('CORS未配置'));
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return;
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}
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// 开发环境如果没有配置，允许 localhost
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if (allowedOrigins.length === 0) {
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const devOrigins = ['http://localhost:3000', 'http://127.0.0.1:3000'];
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if (!origin || devOrigins.some(o => origin.startsWith(o))) {
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callback(null, true);
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return;
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}
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}
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// 严格白名单模式：只允许白名单中的域名
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// 但需要允许没有Origin头的同源请求（浏览器访问时不会发送Origin）
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if (!origin) {
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// 没有Origin头的请求通常是：
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// 1. 浏览器的同源请求（不触发CORS）
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// 2. 直接的服务器请求
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// 这些都应该允许
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callback(null, true);
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} else if (allowedOrigins.includes(origin)) {
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// 白名单中的域名
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callback(null, true);
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} else {
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// 拒绝不在白名单中的跨域请求
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console.warn(`[CORS] 拒绝来自未授权来源的请求: ${origin}`);
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callback(new Error('CORS策略不允许来自该来源的访问'));
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}
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}
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};
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// 中间件
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app.use(cors(corsOptions));
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app.use(express.json());
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app.use(cookieParser());
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// 强制HTTPS（可通过环境变量控制，默认关闭以兼容本地环境）
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// 安全说明：使用 req.secure 判断，该值基于 trust proxy 配置，
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// 只有在信任代理链中的代理才会被采信其 X-Forwarded-Proto 头
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app.use((req, res, next) => {
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if (!ENFORCE_HTTPS) return next();
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// req.secure 由 Express 根据 trust proxy 配置计算：
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// - 如果 trust proxy = false，仅检查直接连接是否为 TLS
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// - 如果 trust proxy 已配置，会检查可信代理的 X-Forwarded-Proto
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if (!req.secure) {
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return res.status(400).json({
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success: false,
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message: '仅支持HTTPS访问，请使用HTTPS'
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});
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}
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return next();
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});
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// Session配置（用于验证码）
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const isSecureCookie = process.env.COOKIE_SECURE === 'true';
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const sameSiteMode = isSecureCookie ? 'none' : 'lax'; // HTTPS下允许跨域获取验证码
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app.use(session({
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secret: process.env.SESSION_SECRET || 'your-session-secret-change-in-production',
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resave: false,
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saveUninitialized: true, // 改为true，确保验证码请求时创建session
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name: 'captcha.sid', // 自定义session cookie名称
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cookie: {
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secure: isSecureCookie,
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httpOnly: true,
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sameSite: sameSiteMode,
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maxAge: 10 * 60 * 1000 // 10分钟
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}
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}));
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// 安全响应头中间件
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app.use((req, res, next) => {
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// 防止点击劫持
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res.setHeader('X-Frame-Options', 'SAMEORIGIN');
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// 防止MIME类型嗅探
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res.setHeader('X-Content-Type-Options', 'nosniff');
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// XSS保护
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res.setHeader('X-XSS-Protection', '1; mode=block');
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// HTTPS严格传输安全（仅在可信的 HTTPS 连接时设置）
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// req.secure 基于 trust proxy 配置，不会被不可信代理伪造
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if (req.secure) {
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res.setHeader('Strict-Transport-Security', 'max-age=31536000; includeSubDomains');
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}
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// 内容安全策略
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res.setHeader('Content-Security-Policy', "default-src 'self'; script-src 'self' 'unsafe-inline'; style-src 'self' 'unsafe-inline';");
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// 隐藏X-Powered-By
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res.removeHeader('X-Powered-By');
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next();
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});
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// XSS过滤中间件（用于用户输入）- 增强版
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// 注意：不转义 / 因为它是文件路径的合法字符
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function sanitizeInput(str) {
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if (typeof str !== 'string') return str;
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// 1. 基础HTML实体转义（不包括 / 因为是路径分隔符）
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let sanitized = str
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.replace(/[&<>"'`]/g, (char) => {
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const map = {
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'&': '&',
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'<': '<',
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'>': '>',
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'"': '"',
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"'": ''',
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'`': '`'
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};
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return map[char];
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});
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// 2. 过滤危险协议（javascript:, data:, vbscript:等）
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sanitized = sanitized.replace(/(?:javascript|data|vbscript|expression|on\w+)\s*:/gi, '');
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// 3. 移除空字节
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sanitized = sanitized.replace(/\x00/g, '');
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return sanitized;
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}
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// HTML转义（用于模板输出）
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function escapeHtml(str) {
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if (typeof str !== 'string') return str;
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return str.replace(/[&<>"']/g, char => ({
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'&': '&',
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'<': '<',
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'>': '>',
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'"': '"',
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"'": '''
|
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}[char]));
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}
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|
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// 规范化并校验HTTP直链前缀，只允许http/https
|
||
function sanitizeHttpBaseUrl(raw) {
|
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if (!raw) return null;
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try {
|
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const url = new URL(raw);
|
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if (!['http:', 'https:'].includes(url.protocol)) {
|
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return null;
|
||
}
|
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url.search = '';
|
||
url.hash = '';
|
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// 去掉多余的结尾斜杠，保持路径稳定
|
||
url.pathname = url.pathname.replace(/\/+$/, '');
|
||
return url.toString();
|
||
} catch {
|
||
return null;
|
||
}
|
||
}
|
||
|
||
// 构建安全的下载URL，编码路径片段并拒绝非HTTP(S)前缀
|
||
function buildHttpDownloadUrl(rawBaseUrl, filePath) {
|
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const baseUrl = sanitizeHttpBaseUrl(rawBaseUrl);
|
||
if (!baseUrl || !filePath) return null;
|
||
|
||
try {
|
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const url = new URL(baseUrl);
|
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const normalizedPath = filePath.startsWith('/') ? filePath : `/${filePath}`;
|
||
const safeSegments = normalizedPath
|
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.split('/')
|
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.filter(Boolean)
|
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.map(segment => encodeURIComponent(segment));
|
||
const safePath = safeSegments.length ? '/' + safeSegments.join('/') : '';
|
||
|
||
const basePath = url.pathname.replace(/\/+$/, '');
|
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const joinedPath = `${basePath}${safePath || '/'}`;
|
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url.pathname = joinedPath || '/';
|
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url.search = '';
|
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url.hash = '';
|
||
return url.toString();
|
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} catch (err) {
|
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console.warn('[安全] 生成下载URL失败:', err.message);
|
||
return null;
|
||
}
|
||
}
|
||
|
||
// 校验文件名/路径片段安全（禁止分隔符、控制字符、..）
|
||
function isSafePathSegment(name) {
|
||
return (
|
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typeof name === 'string' &&
|
||
name.length > 0 &&
|
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name.length <= 255 && // 限制文件名长度
|
||
!name.includes('..') &&
|
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!/[/\\]/.test(name) &&
|
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!/[\x00-\x1F]/.test(name)
|
||
);
|
||
}
|
||
|
||
// 危险文件扩展名黑名单（仅限可能被Web服务器解析执行的脚本文件）
|
||
// 注意：这是网盘应用，.exe等可执行文件允许上传（服务器不会执行）
|
||
const DANGEROUS_EXTENSIONS = [
|
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'.php', '.php3', '.php4', '.php5', '.phtml', '.phar', // PHP
|
||
'.jsp', '.jspx', '.jsw', '.jsv', '.jspf', // Java Server Pages
|
||
'.asp', '.aspx', '.asa', '.asax', '.ascx', '.ashx', '.asmx', // ASP.NET
|
||
'.htaccess', '.htpasswd' // Apache配置（可能改变服务器行为）
|
||
];
|
||
|
||
// 检查文件扩展名是否安全
|
||
function isFileExtensionSafe(filename) {
|
||
if (!filename || typeof filename !== 'string') return false;
|
||
|
||
const ext = path.extname(filename).toLowerCase();
|
||
|
||
// 检查危险扩展名
|
||
if (DANGEROUS_EXTENSIONS.includes(ext)) {
|
||
return false;
|
||
}
|
||
|
||
// 检查双扩展名攻击（如 file.php.jpg 可能被某些配置错误的服务器执行）
|
||
const nameLower = filename.toLowerCase();
|
||
for (const dangerExt of DANGEROUS_EXTENSIONS) {
|
||
if (nameLower.includes(dangerExt + '.')) {
|
||
return false;
|
||
}
|
||
}
|
||
|
||
return true;
|
||
}
|
||
|
||
// 应用XSS过滤到所有POST/PUT请求的body
|
||
app.use((req, res, next) => {
|
||
if ((req.method === 'POST' || req.method === 'PUT') && req.body) {
|
||
// 递归过滤所有字符串字段
|
||
function sanitizeObject(obj) {
|
||
if (typeof obj === 'string') {
|
||
return sanitizeInput(obj);
|
||
} else if (Array.isArray(obj)) {
|
||
return obj.map(item => sanitizeObject(item));
|
||
} else if (obj && typeof obj === 'object') {
|
||
const sanitized = {};
|
||
for (const [key, value] of Object.entries(obj)) {
|
||
sanitized[key] = sanitizeObject(value);
|
||
}
|
||
return sanitized;
|
||
}
|
||
return obj;
|
||
}
|
||
req.body = sanitizeObject(req.body);
|
||
}
|
||
next();
|
||
});
|
||
|
||
// 请求日志
|
||
app.use((req, res, next) => {
|
||
console.log(`[${new Date().toISOString()}] ${req.method} ${req.path}`);
|
||
next();
|
||
});
|
||
|
||
// 获取正确的协议（基于可信代理链）
|
||
// 安全说明：req.protocol 由 Express 根据 trust proxy 配置计算，
|
||
// 只有可信代理的 X-Forwarded-Proto 才会被采信
|
||
function getProtocol(req) {
|
||
// req.protocol 会根据 trust proxy 配置：
|
||
// - trust proxy = false: 仅检查直接连接（TLS -> 'https', 否则 'http'）
|
||
// - trust proxy 已配置: 会检查可信代理的 X-Forwarded-Proto
|
||
return req.protocol || (req.secure ? 'https' : 'http');
|
||
}
|
||
|
||
// ===== 系统日志工具函数 =====
|
||
|
||
// 从请求中提取日志信息
|
||
function getLogInfoFromReq(req) {
|
||
return {
|
||
ipAddress: req.ip || req.socket?.remoteAddress || 'unknown',
|
||
userAgent: req.get('User-Agent') || 'unknown',
|
||
userId: req.user?.id || null,
|
||
username: req.user?.username || null
|
||
};
|
||
}
|
||
|
||
// 记录认证日志
|
||
function logAuth(req, action, message, details = null, level = 'info') {
|
||
const info = getLogInfoFromReq(req);
|
||
SystemLogDB.log({
|
||
level,
|
||
category: 'auth',
|
||
action,
|
||
message,
|
||
...info,
|
||
details
|
||
});
|
||
}
|
||
|
||
// 记录用户管理日志
|
||
function logUser(req, action, message, details = null, level = 'info') {
|
||
const info = getLogInfoFromReq(req);
|
||
SystemLogDB.log({
|
||
level,
|
||
category: 'user',
|
||
action,
|
||
message,
|
||
...info,
|
||
details
|
||
});
|
||
}
|
||
|
||
// 记录文件操作日志
|
||
function logFile(req, action, message, details = null, level = 'info') {
|
||
const info = getLogInfoFromReq(req);
|
||
SystemLogDB.log({
|
||
level,
|
||
category: 'file',
|
||
action,
|
||
message,
|
||
...info,
|
||
details
|
||
});
|
||
}
|
||
|
||
// 记录分享操作日志
|
||
function logShare(req, action, message, details = null, level = 'info') {
|
||
const info = getLogInfoFromReq(req);
|
||
SystemLogDB.log({
|
||
level,
|
||
category: 'share',
|
||
action,
|
||
message,
|
||
...info,
|
||
details
|
||
});
|
||
}
|
||
|
||
// 记录系统操作日志
|
||
function logSystem(req, action, message, details = null, level = 'info') {
|
||
const info = req ? getLogInfoFromReq(req) : {};
|
||
SystemLogDB.log({
|
||
level,
|
||
category: 'system',
|
||
action,
|
||
message,
|
||
...info,
|
||
details
|
||
});
|
||
}
|
||
|
||
// 记录安全事件日志
|
||
function logSecurity(req, action, message, details = null, level = 'warn') {
|
||
const info = getLogInfoFromReq(req);
|
||
SystemLogDB.log({
|
||
level,
|
||
category: 'security',
|
||
action,
|
||
message,
|
||
...info,
|
||
details
|
||
});
|
||
}
|
||
|
||
// 文件上传配置（临时存储）
|
||
const upload = multer({
|
||
dest: path.join(__dirname, 'uploads'),
|
||
limits: { fileSize: 5 * 1024 * 1024 * 1024 } // 5GB限制
|
||
});
|
||
|
||
// ===== TTL缓存类 =====
|
||
|
||
// 带过期时间的缓存类
|
||
class TTLCache {
|
||
constructor(defaultTTL = 3600000) { // 默认1小时
|
||
this.cache = new Map();
|
||
this.defaultTTL = defaultTTL;
|
||
|
||
// 每10分钟清理一次过期缓存
|
||
this.cleanupInterval = setInterval(() => {
|
||
this.cleanup();
|
||
}, 10 * 60 * 1000);
|
||
}
|
||
|
||
set(key, value, ttl = this.defaultTTL) {
|
||
const expiresAt = Date.now() + ttl;
|
||
this.cache.set(key, { value, expiresAt });
|
||
}
|
||
|
||
get(key) {
|
||
const item = this.cache.get(key);
|
||
if (!item) {
|
||
return undefined;
|
||
}
|
||
|
||
// 检查是否过期
|
||
if (Date.now() > item.expiresAt) {
|
||
this.cache.delete(key);
|
||
return undefined;
|
||
}
|
||
|
||
return item.value;
|
||
}
|
||
|
||
has(key) {
|
||
const item = this.cache.get(key);
|
||
if (!item) {
|
||
return false;
|
||
}
|
||
|
||
// 检查是否过期
|
||
if (Date.now() > item.expiresAt) {
|
||
this.cache.delete(key);
|
||
return false;
|
||
}
|
||
|
||
return true;
|
||
}
|
||
|
||
delete(key) {
|
||
return this.cache.delete(key);
|
||
}
|
||
|
||
// 清理过期缓存
|
||
cleanup() {
|
||
const now = Date.now();
|
||
let cleaned = 0;
|
||
|
||
for (const [key, item] of this.cache.entries()) {
|
||
if (now > item.expiresAt) {
|
||
this.cache.delete(key);
|
||
cleaned++;
|
||
}
|
||
}
|
||
|
||
if (cleaned > 0) {
|
||
console.log(`[缓存清理] 已清理 ${cleaned} 个过期的分享缓存`);
|
||
}
|
||
}
|
||
|
||
// 获取缓存大小
|
||
size() {
|
||
return this.cache.size;
|
||
}
|
||
|
||
// 停止清理定时器
|
||
destroy() {
|
||
if (this.cleanupInterval) {
|
||
clearInterval(this.cleanupInterval);
|
||
}
|
||
}
|
||
}
|
||
|
||
// 分享文件信息缓存（内存缓存，1小时TTL）
|
||
const shareFileCache = new TTLCache(60 * 60 * 1000);
|
||
|
||
// ===== 防爆破限流器 =====
|
||
|
||
// 防爆破限流器类
|
||
class RateLimiter {
|
||
constructor(options = {}) {
|
||
this.maxAttempts = options.maxAttempts || 5;
|
||
this.windowMs = options.windowMs || 15 * 60 * 1000;
|
||
this.blockDuration = options.blockDuration || 30 * 60 * 1000;
|
||
this.attempts = new Map();
|
||
this.blockedKeys = new Map();
|
||
|
||
// 每5分钟清理一次过期记录
|
||
this.cleanupInterval = setInterval(() => {
|
||
this.cleanup();
|
||
}, 5 * 60 * 1000);
|
||
}
|
||
|
||
// 获取客户端IP（基于可信代理链）
|
||
// 安全说明：req.ip 由 Express 根据 trust proxy 配置计算，
|
||
// 只有可信代理的 X-Forwarded-For 才会被采信
|
||
getClientKey(req) {
|
||
// req.ip 会根据 trust proxy 配置：
|
||
// - trust proxy = false: 使用直接连接的 IP（socket 地址）
|
||
// - trust proxy = 1: 取 X-Forwarded-For 的最后 1 个 IP
|
||
// - trust proxy = true: 取 X-Forwarded-For 的第 1 个 IP（不推荐）
|
||
return req.ip || req.socket?.remoteAddress || 'unknown';
|
||
}
|
||
|
||
// 检查是否被封锁
|
||
isBlocked(key) {
|
||
const blockInfo = this.blockedKeys.get(key);
|
||
if (!blockInfo) {
|
||
return false;
|
||
}
|
||
|
||
// 检查封锁是否过期
|
||
if (Date.now() > blockInfo.expiresAt) {
|
||
this.blockedKeys.delete(key);
|
||
this.attempts.delete(key);
|
||
return false;
|
||
}
|
||
|
||
return true;
|
||
}
|
||
|
||
// 记录失败尝试
|
||
recordFailure(key) {
|
||
const now = Date.now();
|
||
|
||
// 如果已被封锁，返回封锁信息
|
||
if (this.isBlocked(key)) {
|
||
const blockInfo = this.blockedKeys.get(key);
|
||
return {
|
||
blocked: true,
|
||
remainingAttempts: 0,
|
||
resetTime: blockInfo.expiresAt,
|
||
waitMinutes: Math.ceil((blockInfo.expiresAt - now) / 60000),
|
||
needCaptcha: true
|
||
};
|
||
}
|
||
|
||
// 获取或创建尝试记录
|
||
let attemptInfo = this.attempts.get(key);
|
||
if (!attemptInfo || now > attemptInfo.windowEnd) {
|
||
attemptInfo = {
|
||
count: 0,
|
||
windowEnd: now + this.windowMs,
|
||
firstAttempt: now
|
||
};
|
||
}
|
||
|
||
attemptInfo.count++;
|
||
this.attempts.set(key, attemptInfo);
|
||
|
||
// 检查是否达到封锁阈值
|
||
if (attemptInfo.count >= this.maxAttempts) {
|
||
const blockExpiresAt = now + this.blockDuration;
|
||
this.blockedKeys.set(key, {
|
||
expiresAt: blockExpiresAt,
|
||
blockedAt: now
|
||
});
|
||
console.warn(`[防爆破] 封锁Key: ${key}, 失败次数: ${attemptInfo.count}, 封锁时长: ${Math.ceil(this.blockDuration / 60000)}分钟`);
|
||
return {
|
||
blocked: true,
|
||
remainingAttempts: 0,
|
||
resetTime: blockExpiresAt,
|
||
waitMinutes: Math.ceil(this.blockDuration / 60000),
|
||
needCaptcha: true
|
||
};
|
||
}
|
||
|
||
return {
|
||
blocked: false,
|
||
remainingAttempts: this.maxAttempts - attemptInfo.count,
|
||
resetTime: attemptInfo.windowEnd,
|
||
waitMinutes: 0,
|
||
needCaptcha: attemptInfo.count >= 2 // 失败2次后需要验证码
|
||
};
|
||
}
|
||
|
||
// 获取失败次数
|
||
getFailureCount(key) {
|
||
const attemptInfo = this.attempts.get(key);
|
||
if (!attemptInfo || Date.now() > attemptInfo.windowEnd) {
|
||
return 0;
|
||
}
|
||
return attemptInfo.count;
|
||
}
|
||
|
||
// 记录成功（清除失败记录）
|
||
recordSuccess(key) {
|
||
this.attempts.delete(key);
|
||
this.blockedKeys.delete(key);
|
||
}
|
||
|
||
// 清理过期记录
|
||
cleanup() {
|
||
const now = Date.now();
|
||
let cleanedAttempts = 0;
|
||
let cleanedBlocks = 0;
|
||
|
||
// 清理过期的尝试记录
|
||
for (const [key, info] of this.attempts.entries()) {
|
||
if (now > info.windowEnd) {
|
||
this.attempts.delete(key);
|
||
cleanedAttempts++;
|
||
}
|
||
}
|
||
|
||
// 清理过期的封锁记录
|
||
for (const [key, info] of this.blockedKeys.entries()) {
|
||
if (now > info.expiresAt) {
|
||
this.blockedKeys.delete(key);
|
||
cleanedBlocks++;
|
||
}
|
||
}
|
||
|
||
if (cleanedAttempts > 0 || cleanedBlocks > 0) {
|
||
console.log(`[防爆破清理] 已清理 ${cleanedAttempts} 个过期尝试记录, ${cleanedBlocks} 个过期封锁记录`);
|
||
}
|
||
}
|
||
|
||
// 获取统计信息
|
||
getStats() {
|
||
return {
|
||
activeAttempts: this.attempts.size,
|
||
blockedKeys: this.blockedKeys.size
|
||
};
|
||
}
|
||
|
||
// 停止清理定时器
|
||
destroy() {
|
||
if (this.cleanupInterval) {
|
||
clearInterval(this.cleanupInterval);
|
||
}
|
||
}
|
||
}
|
||
|
||
// 创建登录限流器（5次失败/15分钟，封锁30分钟）
|
||
const loginLimiter = new RateLimiter({
|
||
maxAttempts: 5,
|
||
windowMs: 15 * 60 * 1000,
|
||
blockDuration: 30 * 60 * 1000
|
||
});
|
||
|
||
// 创建分享密码限流器（10次失败/10分钟，封锁20分钟）
|
||
const shareLimiter = new RateLimiter({
|
||
maxAttempts: 10,
|
||
windowMs: 10 * 60 * 1000,
|
||
blockDuration: 20 * 60 * 1000
|
||
});
|
||
|
||
// 邮件发送限流（防刷）
|
||
// 半小时最多3次，超过封30分钟；全天最多10次，超过封24小时
|
||
const mailLimiter30Min = new RateLimiter({
|
||
maxAttempts: 3,
|
||
windowMs: 30 * 60 * 1000,
|
||
blockDuration: 30 * 60 * 1000
|
||
});
|
||
const mailLimiterDay = new RateLimiter({
|
||
maxAttempts: 10,
|
||
windowMs: 24 * 60 * 60 * 1000,
|
||
blockDuration: 24 * 60 * 60 * 1000
|
||
});
|
||
|
||
// 创建验证码获取限流器（30次请求/10分钟，封锁30分钟）
|
||
const captchaLimiter = new RateLimiter({
|
||
maxAttempts: 30,
|
||
windowMs: 10 * 60 * 1000,
|
||
blockDuration: 30 * 60 * 1000
|
||
});
|
||
|
||
// 创建API密钥验证限流器（防止暴力枚举API密钥，5次失败/小时，封锁24小时）
|
||
const apiKeyLimiter = new RateLimiter({
|
||
maxAttempts: 5,
|
||
windowMs: 60 * 60 * 1000, // 1小时窗口
|
||
blockDuration: 24 * 60 * 60 * 1000 // 封锁24小时
|
||
});
|
||
|
||
// 创建文件上传限流器（每用户每小时最多100次上传）
|
||
const uploadLimiter = new RateLimiter({
|
||
maxAttempts: 100,
|
||
windowMs: 60 * 60 * 1000,
|
||
blockDuration: 60 * 60 * 1000
|
||
});
|
||
|
||
// 创建文件列表查询限流器（每用户每分钟最多60次）
|
||
const fileListLimiter = new RateLimiter({
|
||
maxAttempts: 60,
|
||
windowMs: 60 * 1000,
|
||
blockDuration: 5 * 60 * 1000
|
||
});
|
||
|
||
// 验证码最小请求间隔控制
|
||
const CAPTCHA_MIN_INTERVAL = 1000; // 1秒
|
||
const captchaLastRequest = new TTLCache(15 * 60 * 1000); // 15分钟自动清理
|
||
|
||
// 验证码防刷中间件
|
||
function captchaRateLimitMiddleware(req, res, next) {
|
||
const clientKey = `captcha:${captchaLimiter.getClientKey(req)}`;
|
||
const now = Date.now();
|
||
|
||
// 最小时间间隔限制
|
||
const lastRequest = captchaLastRequest.get(clientKey);
|
||
if (lastRequest && (now - lastRequest) < CAPTCHA_MIN_INTERVAL) {
|
||
return res.status(429).json({
|
||
success: false,
|
||
message: '验证码请求过于频繁，请稍后再试'
|
||
});
|
||
}
|
||
captchaLastRequest.set(clientKey, now, 15 * 60 * 1000);
|
||
|
||
// 窗口内总次数限流
|
||
const result = captchaLimiter.recordFailure(clientKey);
|
||
if (result.blocked) {
|
||
return res.status(429).json({
|
||
success: false,
|
||
message: `验证码请求过多，请在 ${result.waitMinutes} 分钟后再试`,
|
||
blocked: true,
|
||
resetTime: result.resetTime
|
||
});
|
||
}
|
||
|
||
next();
|
||
}
|
||
|
||
// 登录防爆破中间件
|
||
function loginRateLimitMiddleware(req, res, next) {
|
||
const clientIP = loginLimiter.getClientKey(req);
|
||
const { username } = req.body;
|
||
const ipKey = `login:ip:${clientIP}`;
|
||
|
||
// 检查IP是否被封锁
|
||
if (loginLimiter.isBlocked(ipKey)) {
|
||
const result = loginLimiter.recordFailure(ipKey);
|
||
console.warn(`[防爆破] 拦截登录尝试 - IP: ${clientIP}, 原因: IP被封锁`);
|
||
return res.status(429).json({
|
||
success: false,
|
||
message: `登录尝试过多，请在 ${result.waitMinutes} 分钟后重试`,
|
||
blocked: true,
|
||
resetTime: result.resetTime
|
||
});
|
||
}
|
||
|
||
// 检查用户名是否被封锁
|
||
if (username) {
|
||
const usernameKey = `login:username:${username}`;
|
||
if (loginLimiter.isBlocked(usernameKey)) {
|
||
const result = loginLimiter.recordFailure(usernameKey);
|
||
console.warn(`[防爆破] 拦截登录尝试 - 用户名: ${username}, 原因: 用户名被封锁`);
|
||
return res.status(429).json({
|
||
success: false,
|
||
message: `该账号登录尝试过多，请在 ${result.waitMinutes} 分钟后重试`,
|
||
blocked: true,
|
||
resetTime: result.resetTime
|
||
});
|
||
}
|
||
}
|
||
|
||
// 将限流key附加到请求对象，供后续使用
|
||
req.rateLimitKeys = {
|
||
ipKey,
|
||
usernameKey: username ? `login:username:${username}` : null
|
||
};
|
||
next();
|
||
}
|
||
|
||
// 分享密码防爆破中间件
|
||
function shareRateLimitMiddleware(req, res, next) {
|
||
const clientIP = shareLimiter.getClientKey(req);
|
||
const { code } = req.params;
|
||
const key = `share:${code}:${clientIP}`;
|
||
|
||
// 检查是否被封锁
|
||
if (shareLimiter.isBlocked(key)) {
|
||
const result = shareLimiter.recordFailure(key);
|
||
console.warn(`[防爆破] 拦截分享密码尝试 - 分享码: ${code}, IP: ${clientIP}`);
|
||
return res.status(429).json({
|
||
success: false,
|
||
message: `密码尝试过多，请在 ${result.waitMinutes} 分钟后重试`,
|
||
blocked: true,
|
||
resetTime: result.resetTime
|
||
});
|
||
}
|
||
|
||
req.shareRateLimitKey = key;
|
||
next();
|
||
}
|
||
|
||
|
||
|
||
// ===== 工具函数 =====
|
||
|
||
|
||
// 安全删除文件（不抛出异常）
|
||
function safeDeleteFile(filePath) {
|
||
try {
|
||
if (fs.existsSync(filePath)) {
|
||
fs.unlinkSync(filePath);
|
||
console.log(`[清理] 已删除临时文件: ${filePath}`);
|
||
return true;
|
||
}
|
||
} catch (error) {
|
||
console.error(`[清理] 删除临时文件失败: ${filePath}`, error.message);
|
||
return false;
|
||
}
|
||
}
|
||
|
||
|
||
// 验证请求路径是否在分享范围内（防止越权访问）
|
||
function isPathWithinShare(requestPath, share) {
|
||
if (!requestPath || !share) {
|
||
return false;
|
||
}
|
||
|
||
// 规范化路径（移除 ../ 等危险路径，统一分隔符）
|
||
const normalizedRequest = path.normalize(requestPath).replace(/^(\.\.[\/\\])+/, '').replace(/\\/g, '/');
|
||
const normalizedShare = path.normalize(share.share_path).replace(/\\/g, '/');
|
||
|
||
if (share.share_type === 'file') {
|
||
// 单文件分享：只允许下载该文件
|
||
return normalizedRequest === normalizedShare;
|
||
} else {
|
||
// 目录分享：只允许下载该目录及其子目录下的文件
|
||
// 确保分享路径以斜杠结尾用于前缀匹配
|
||
const sharePrefix = normalizedShare.endsWith('/') ? normalizedShare : normalizedShare + '/';
|
||
return normalizedRequest === normalizedShare || normalizedRequest.startsWith(sharePrefix);
|
||
}
|
||
}
|
||
// 清理旧的临时文件（启动时执行一次）
|
||
function cleanupOldTempFiles() {
|
||
const uploadsDir = path.join(__dirname, 'uploads');
|
||
if (!fs.existsSync(uploadsDir)) {
|
||
return;
|
||
}
|
||
|
||
try {
|
||
const files = fs.readdirSync(uploadsDir);
|
||
const now = Date.now();
|
||
const maxAge = 24 * 60 * 60 * 1000; // 24小时
|
||
|
||
let cleaned = 0;
|
||
files.forEach(file => {
|
||
const filePath = path.join(uploadsDir, file);
|
||
try {
|
||
const stats = fs.statSync(filePath);
|
||
if (now - stats.mtimeMs > maxAge) {
|
||
fs.unlinkSync(filePath);
|
||
cleaned++;
|
||
}
|
||
} catch (err) {
|
||
console.error(`[清理] 检查文件失败: ${filePath}`, err.message);
|
||
}
|
||
});
|
||
|
||
if (cleaned > 0) {
|
||
console.log(`[清理] 已清理 ${cleaned} 个超过24小时的临时文件`);
|
||
}
|
||
} catch (error) {
|
||
console.error('[清理] 清理临时文件目录失败:', error.message);
|
||
}
|
||
}
|
||
|
||
function isPrivateIp(ip) {
|
||
if (!net.isIP(ip)) return false;
|
||
|
||
// IPv4 私有地址和特殊地址
|
||
if (net.isIPv4(ip)) {
|
||
// 10.0.0.0/8 - 私有网络
|
||
if (ip.startsWith('10.')) return true;
|
||
// 192.168.0.0/16 - 私有网络
|
||
if (ip.startsWith('192.168.')) return true;
|
||
// 172.16.0.0/12 - 私有网络 (172.16.0.0 - 172.31.255.255)
|
||
if (/^172\.(1[6-9]|2[0-9]|3[01])\./.test(ip)) return true;
|
||
// 127.0.0.0/8 - 回环地址
|
||
if (ip.startsWith('127.')) return true;
|
||
// 0.0.0.0 - 无效地址
|
||
if (ip === '0.0.0.0') return true;
|
||
// 169.254.0.0/16 - 链路本地地址（包括云服务元数据 169.254.169.254）
|
||
if (ip.startsWith('169.254.')) return true;
|
||
// 100.64.0.0/10 - 运营商级NAT
|
||
if (/^100\.(6[4-9]|[7-9][0-9]|1[01][0-9]|12[0-7])\./.test(ip)) return true;
|
||
|
||
return false;
|
||
}
|
||
|
||
// IPv6 私有地址和特殊地址
|
||
if (net.isIPv6(ip)) {
|
||
const lowerIp = ip.toLowerCase();
|
||
|
||
// ::1 - 回环地址
|
||
if (lowerIp === '::1') return true;
|
||
// :: - 未指定地址
|
||
if (lowerIp === '::') return true;
|
||
// fe80::/10 - 链路本地地址
|
||
if (/^fe[89ab][0-9a-f]:/i.test(lowerIp)) return true;
|
||
// fc00::/7 - 唯一本地地址 (fc 和 fd 开头)
|
||
if (/^f[cd][0-9a-f]{2}:/i.test(lowerIp)) return true;
|
||
// ff00::/8 - 多播地址
|
||
if (lowerIp.startsWith('ff')) return true;
|
||
// ::ffff:x.x.x.x - IPv4映射地址，需要检查内部的IPv4
|
||
const ipv4Mapped = lowerIp.match(/^::ffff:(\d+\.\d+\.\d+\.\d+)$/);
|
||
if (ipv4Mapped) {
|
||
return isPrivateIp(ipv4Mapped[1]);
|
||
}
|
||
|
||
return false;
|
||
}
|
||
|
||
return false;
|
||
}
|
||
|
||
async function validateSftpDestination(host, port) {
|
||
if (!host || typeof host !== 'string' || host.length > 255) {
|
||
throw new Error('无效的SFTP主机');
|
||
}
|
||
if (host.includes('://') || host.includes('/')) {
|
||
throw new Error('SFTP主机不能包含协议或路径');
|
||
}
|
||
|
||
const portNum = parseInt(port, 10) || 22;
|
||
if (portNum < 1 || portNum > 65535) {
|
||
throw new Error('SFTP端口范围应为1-65535');
|
||
}
|
||
|
||
let resolvedIp;
|
||
try {
|
||
const lookup = await dns.lookup(host);
|
||
resolvedIp = lookup.address;
|
||
} catch (err) {
|
||
throw new Error('无法解析SFTP主机，请检查域名或IP');
|
||
}
|
||
|
||
if (isPrivateIp(resolvedIp) && process.env.ALLOW_PRIVATE_SFTP !== 'true') {
|
||
throw new Error('出于安全考虑，不允许连接内网地址');
|
||
}
|
||
|
||
return { host, port: portNum, resolvedIp };
|
||
}
|
||
// SFTP连接
|
||
async function connectToSFTP(config) {
|
||
const sftp = new SftpClient();
|
||
await sftp.connect({
|
||
host: config.ftp_host,
|
||
port: parseInt(config.ftp_port, 10) || 22,
|
||
username: config.ftp_user,
|
||
password: config.ftp_password,
|
||
readyTimeout: parseInt(process.env.SFTP_CONNECT_TIMEOUT || '8000', 10)
|
||
});
|
||
return sftp;
|
||
}
|
||
|
||
// 格式化文件大小
|
||
function formatFileSize(bytes) {
|
||
if (bytes === 0) return '0 B';
|
||
const k = 1024;
|
||
const sizes = ['B', 'KB', 'MB', 'GB', 'TB'];
|
||
const i = Math.floor(Math.log(bytes) / Math.log(k));
|
||
return Math.round(bytes / Math.pow(k, i) * 100) / 100 + ' ' + sizes[i];
|
||
}
|
||
|
||
// 生成随机Token
|
||
function generateRandomToken(length = 48) {
|
||
return require('crypto').randomBytes(length).toString('hex');
|
||
}
|
||
|
||
// 获取SMTP配置
|
||
function getSmtpConfig() {
|
||
const host = SettingsDB.get('smtp_host');
|
||
const port = SettingsDB.get('smtp_port');
|
||
const secure = SettingsDB.get('smtp_secure');
|
||
const user = SettingsDB.get('smtp_user');
|
||
const pass = SettingsDB.get('smtp_password');
|
||
const from = SettingsDB.get('smtp_from') || user;
|
||
|
||
if (!host || !port || !user || !pass) {
|
||
return null;
|
||
}
|
||
|
||
return {
|
||
host,
|
||
port: parseInt(port, 10) || 465,
|
||
secure: secure === 'true' || secure === true || port === '465',
|
||
auth: { user, pass },
|
||
from
|
||
};
|
||
}
|
||
|
||
// 创建邮件传输器
|
||
function createTransport() {
|
||
const config = getSmtpConfig();
|
||
if (!config) return null;
|
||
|
||
return nodemailer.createTransport({
|
||
host: config.host,
|
||
port: config.port,
|
||
secure: config.secure,
|
||
auth: config.auth
|
||
});
|
||
}
|
||
|
||
// 发送邮件
|
||
async function sendMail(to, subject, html) {
|
||
const config = getSmtpConfig();
|
||
const transporter = createTransport();
|
||
if (!config || !transporter) {
|
||
throw new Error('SMTP未配置');
|
||
}
|
||
|
||
const from = (config.from && config.from.trim()) ? config.from.trim() : config.auth.user;
|
||
|
||
await transporter.sendMail({
|
||
from,
|
||
to,
|
||
subject,
|
||
html
|
||
});
|
||
}
|
||
|
||
// 检查邮件发送限流
|
||
function checkMailRateLimit(req, type = 'mail') {
|
||
// 使用 req.ip，基于 trust proxy 配置获取可信的客户端 IP
|
||
const clientKey = `${type}:${req.ip || req.socket?.remoteAddress || 'unknown'}`;
|
||
|
||
const res30 = mailLimiter30Min.recordFailure(clientKey);
|
||
if (res30.blocked) {
|
||
const err = new Error(`请求过于频繁，30分钟内最多3次，请在 ${res30.waitMinutes} 分钟后再试`);
|
||
err.status = 429;
|
||
throw err;
|
||
}
|
||
|
||
const resDay = mailLimiterDay.recordFailure(clientKey);
|
||
if (resDay.blocked) {
|
||
const err = new Error(`今天的次数已用完（最多10次），请稍后再试`);
|
||
err.status = 429;
|
||
throw err;
|
||
}
|
||
}
|
||
|
||
// ===== 验证码验证辅助函数 =====
|
||
|
||
/**
|
||
* 验证验证码
|
||
* @param {Object} req - 请求对象
|
||
* @param {string} captcha - 用户输入的验证码
|
||
* @returns {{valid: boolean, message?: string}} 验证结果
|
||
*/
|
||
function verifyCaptcha(req, captcha) {
|
||
if (!captcha) {
|
||
return { valid: false, message: '请输入验证码' };
|
||
}
|
||
|
||
const sessionCaptcha = req.session.captcha;
|
||
const captchaTime = req.session.captchaTime;
|
||
|
||
// 调试日志
|
||
console.log('[验证码验证] SessionID:', req.sessionID, '输入:', captcha?.toLowerCase(), 'Session中:', sessionCaptcha);
|
||
|
||
if (!sessionCaptcha || !captchaTime) {
|
||
console.log('[验证码验证] 失败: session中无验证码');
|
||
return { valid: false, message: '验证码已过期，请刷新验证码' };
|
||
}
|
||
|
||
// 验证码有效期5分钟
|
||
if (Date.now() - captchaTime > 5 * 60 * 1000) {
|
||
console.log('[验证码验证] 失败: 验证码已超时');
|
||
return { valid: false, message: '验证码已过期，请刷新验证码' };
|
||
}
|
||
|
||
if (captcha.toLowerCase() !== sessionCaptcha) {
|
||
console.log('[验证码验证] 失败: 验证码不匹配');
|
||
return { valid: false, message: '验证码错误' };
|
||
}
|
||
|
||
console.log('[验证码验证] 成功');
|
||
// 验证通过后清除session中的验证码
|
||
delete req.session.captcha;
|
||
delete req.session.captchaTime;
|
||
|
||
return { valid: true };
|
||
}
|
||
|
||
// ===== 公开API =====
|
||
|
||
// 健康检查
|
||
app.get('/api/health', (req, res) => {
|
||
res.json({ success: true, message: 'Server is running' });
|
||
});
|
||
|
||
// 获取公开的系统配置（不需要登录）
|
||
app.get('/api/config', (req, res) => {
|
||
const maxUploadSize = parseInt(SettingsDB.get('max_upload_size') || '10737418240');
|
||
res.json({
|
||
success: true,
|
||
config: {
|
||
max_upload_size: maxUploadSize
|
||
}
|
||
});
|
||
});
|
||
|
||
// 生成验证码API
|
||
app.get('/api/captcha', captchaRateLimitMiddleware, (req, res) => {
|
||
try {
|
||
const captcha = svgCaptcha.create({
|
||
size: 6, // 验证码长度
|
||
noise: 3, // 干扰线条数
|
||
color: true, // 使用彩色
|
||
background: '#f7f7f7', // 背景色
|
||
width: 140,
|
||
height: 44,
|
||
fontSize: 52,
|
||
charPreset: 'ABCDEFGHJKLMNPQRSTUVWXYZ23456789' // 去掉易混淆字符，字母+数字
|
||
});
|
||
|
||
// 将验证码文本存储在session中
|
||
req.session.captcha = captcha.text.toLowerCase();
|
||
req.session.captchaTime = Date.now();
|
||
|
||
// 保存session后再返回响应（修复：确保session保存成功）
|
||
req.session.save((err) => {
|
||
if (err) {
|
||
console.error('[验证码] Session保存失败:', err);
|
||
return res.status(500).json({
|
||
success: false,
|
||
message: '验证码生成失败'
|
||
});
|
||
}
|
||
console.log('[验证码] 生成成功, SessionID:', req.sessionID);
|
||
res.type('svg');
|
||
res.send(captcha.data);
|
||
});
|
||
} catch (error) {
|
||
console.error('生成验证码失败:', error);
|
||
res.status(500).json({
|
||
success: false,
|
||
message: '生成验证码失败'
|
||
});
|
||
}
|
||
});
|
||
|
||
// 用户注册（简化版）
|
||
app.post('/api/register',
|
||
[
|
||
body('username')
|
||
.isLength({ min: 3, max: 20 }).withMessage('用户名长度3-20个字符')
|
||
.matches(USERNAME_REGEX).withMessage('用户名仅允许中英文、数字、下划线、点和短横线'),
|
||
body('email').isEmail().withMessage('邮箱格式不正确'),
|
||
body('password').isLength({ min: 6 }).withMessage('密码至少6个字符'),
|
||
body('captcha').notEmpty().withMessage('请输入验证码')
|
||
],
|
||
async (req, res) => {
|
||
const errors = validationResult(req);
|
||
if (!errors.isEmpty()) {
|
||
return res.status(400).json({
|
||
success: false,
|
||
errors: errors.array()
|
||
});
|
||
}
|
||
|
||
try {
|
||
// 验证验证码
|
||
const { captcha } = req.body;
|
||
const captchaResult = verifyCaptcha(req, captcha);
|
||
if (!captchaResult.valid) {
|
||
return res.status(400).json({
|
||
success: false,
|
||
message: captchaResult.message
|
||
});
|
||
}
|
||
|
||
checkMailRateLimit(req, 'verify');
|
||
const { username, email, password } = req.body;
|
||
|
||
// 检查用户名是否存在
|
||
if (UserDB.findByUsername(username)) {
|
||
return res.status(400).json({
|
||
success: false,
|
||
message: '用户名已存在'
|
||
});
|
||
}
|
||
|
||
// 检查邮箱是否存在
|
||
if (UserDB.findByEmail(email)) {
|
||
return res.status(400).json({
|
||
success: false,
|
||
message: '邮箱已被使用'
|
||
});
|
||
}
|
||
|
||
// 检查SMTP配置
|
||
const smtpConfig = getSmtpConfig();
|
||
if (!smtpConfig) {
|
||
return res.status(400).json({
|
||
success: false,
|
||
message: '管理员尚未配置SMTP，暂时无法注册'
|
||
});
|
||
}
|
||
|
||
const verifyToken = generateRandomToken(24);
|
||
const expiresAtMs = Date.now() + 30 * 60 * 1000; // 30分钟
|
||
const safeUsernameForMail = escapeHtml(username);
|
||
|
||
// 创建用户（不需要FTP配置），标记未验证
|
||
const userId = UserDB.create({
|
||
username,
|
||
email,
|
||
password,
|
||
is_verified: 0,
|
||
verification_token: verifyToken,
|
||
verification_expires_at: expiresAtMs
|
||
});
|
||
|
||
const verifyLink = `${getSecureBaseUrl(req)}/app.html?verifyToken=${verifyToken}`;
|
||
|
||
try {
|
||
await sendMail(
|
||
email,
|
||
'邮箱验证 - 玩玩云',
|
||
`<p>您好，${safeUsernameForMail}：</p>
|
||
<p>请点击下面的链接验证您的邮箱，30分钟内有效：</p>
|
||
<p><a href="${verifyLink}" target="_blank">${verifyLink}</a></p>
|
||
<p>如果不是您本人操作，请忽略此邮件。</p>`
|
||
);
|
||
} catch (mailErr) {
|
||
console.error('发送验证邮件失败:', mailErr);
|
||
return res.status(500).json({
|
||
success: false,
|
||
message: '注册成功，但发送验证邮件失败，请稍后重试或联系管理员',
|
||
needVerify: true
|
||
});
|
||
}
|
||
|
||
// 记录注册日志
|
||
logAuth(req, 'register', `新用户注册: ${username}`, { userId, email });
|
||
|
||
res.json({
|
||
success: true,
|
||
message: '注册成功，请查收邮箱完成验证',
|
||
user_id: userId
|
||
});
|
||
} catch (error) {
|
||
console.error('注册失败:', error);
|
||
logAuth(req, 'register_failed', `用户注册失败: ${req.body.username || 'unknown'}`, { error: error.message }, 'error');
|
||
res.status(500).json({
|
||
success: false,
|
||
message: '注册失败: ' + error.message
|
||
});
|
||
}
|
||
}
|
||
);
|
||
|
||
// 重新发送邮箱验证邮件
|
||
app.post('/api/resend-verification', [
|
||
body('email').optional({ checkFalsy: true }).isEmail().withMessage('邮箱格式不正确'),
|
||
body('username')
|
||
.optional({ checkFalsy: true })
|
||
.isLength({ min: 3 }).withMessage('用户名格式不正确')
|
||
.matches(USERNAME_REGEX).withMessage('用户名仅允许中英文、数字、下划线、点和短横线'),
|
||
body('captcha').notEmpty().withMessage('请输入验证码')
|
||
], async (req, res) => {
|
||
const errors = validationResult(req);
|
||
if (!errors.isEmpty()) {
|
||
return res.status(400).json({ success: false, errors: errors.array() });
|
||
}
|
||
|
||
try {
|
||
// 验证验证码
|
||
const { captcha } = req.body;
|
||
const captchaResult = verifyCaptcha(req, captcha);
|
||
if (!captchaResult.valid) {
|
||
return res.status(400).json({
|
||
success: false,
|
||
message: captchaResult.message
|
||
});
|
||
}
|
||
|
||
checkMailRateLimit(req, 'verify');
|
||
|
||
const { email, username } = req.body;
|
||
const user = email ? UserDB.findByEmail(email) : UserDB.findByUsername(username);
|
||
|
||
if (!user) {
|
||
return res.status(400).json({ success: false, message: '用户不存在' });
|
||
}
|
||
if (user.is_verified) {
|
||
return res.status(400).json({ success: false, message: '该邮箱已验证，无需重复验证' });
|
||
}
|
||
|
||
const smtpConfig = getSmtpConfig();
|
||
if (!smtpConfig) {
|
||
return res.status(400).json({ success: false, message: 'SMTP未配置，无法发送邮件' });
|
||
}
|
||
|
||
const verifyToken = generateRandomToken(24);
|
||
const expiresAtMs = Date.now() + 30 * 60 * 1000;
|
||
VerificationDB.setVerification(user.id, verifyToken, expiresAtMs);
|
||
|
||
const verifyLink = `${getSecureBaseUrl(req)}/app.html?verifyToken=${verifyToken}`;
|
||
const safeUsernameForMail = escapeHtml(user.username);
|
||
await sendMail(
|
||
user.email,
|
||
'邮箱验证 - 玩玩云',
|
||
`<p>您好，${safeUsernameForMail}：</p>
|
||
<p>请点击下面的链接验证您的邮箱，30分钟内有效：</p>
|
||
<p><a href="${verifyLink}" target="_blank">${verifyLink}</a></p>
|
||
<p>如果不是您本人操作，请忽略此邮件。</p>`
|
||
);
|
||
|
||
res.json({ success: true, message: '验证邮件已发送，请查收' });
|
||
} catch (error) {
|
||
const status = error.status || 500;
|
||
console.error('重发验证邮件失败:', error);
|
||
res.status(status).json({ success: false, message: error.message || '发送失败' });
|
||
}
|
||
});
|
||
|
||
// 验证邮箱
|
||
app.get('/api/verify-email', async (req, res) => {
|
||
const { token } = req.query;
|
||
if (!token) {
|
||
return res.status(400).json({ success: false, message: '缺少token' });
|
||
}
|
||
|
||
try {
|
||
const user = VerificationDB.consumeVerificationToken(token);
|
||
if (!user) {
|
||
return res.status(400).json({ success: false, message: '无效或已过期的验证链接' });
|
||
}
|
||
res.json({ success: true, message: '邮箱验证成功，请登录' });
|
||
} catch (error) {
|
||
console.error('邮箱验证失败:', error);
|
||
res.status(500).json({ success: false, message: '邮箱验证失败' });
|
||
}
|
||
});
|
||
|
||
// 发起密码重置（邮件）
|
||
app.post('/api/password/forgot', [
|
||
body('email').isEmail().withMessage('邮箱格式不正确'),
|
||
body('captcha').notEmpty().withMessage('请输入验证码')
|
||
], async (req, res) => {
|
||
const errors = validationResult(req);
|
||
if (!errors.isEmpty()) {
|
||
return res.status(400).json({ success: false, errors: errors.array() });
|
||
}
|
||
|
||
const { email, captcha } = req.body;
|
||
try {
|
||
// 验证验证码
|
||
const captchaResult = verifyCaptcha(req, captcha);
|
||
if (!captchaResult.valid) {
|
||
return res.status(400).json({
|
||
success: false,
|
||
message: captchaResult.message
|
||
});
|
||
}
|
||
|
||
checkMailRateLimit(req, 'pwd_forgot');
|
||
|
||
const smtpConfig = getSmtpConfig();
|
||
if (!smtpConfig) {
|
||
return res.status(400).json({ success: false, message: 'SMTP未配置，无法发送邮件' });
|
||
}
|
||
|
||
// 安全修复：无论邮箱是否存在，都返回相同的成功消息（防止邮箱枚举）
|
||
const user = UserDB.findByEmail(email);
|
||
|
||
// 只有当用户存在、已验证、未封禁时才发送邮件
|
||
if (user && user.is_verified && user.is_active && !user.is_banned) {
|
||
const token = generateRandomToken(24);
|
||
const expiresAtMs = Date.now() + 30 * 60 * 1000;
|
||
PasswordResetTokenDB.create(user.id, token, expiresAtMs);
|
||
|
||
const resetLink = `${getSecureBaseUrl(req)}/app.html?resetToken=${token}`;
|
||
const safeUsernameForMail = escapeHtml(user.username);
|
||
|
||
// 异步发送邮件，不等待结果（避免通过响应时间判断邮箱是否存在）
|
||
sendMail(
|
||
email,
|
||
'密码重置 - 玩玩云',
|
||
`<p>您好，${safeUsernameForMail}：</p>
|
||
<p>请点击下面的链接重置密码，30分钟内有效：</p>
|
||
<p><a href="${resetLink}" target="_blank">${resetLink}</a></p>
|
||
<p>如果不是您本人操作，请忽略此邮件。</p>`
|
||
).catch(err => {
|
||
console.error('发送密码重置邮件失败:', err.message);
|
||
});
|
||
} else {
|
||
// 记录但不暴露邮箱是否存在
|
||
console.log('[密码重置] 邮箱不存在或账号不可用:', email);
|
||
}
|
||
|
||
// 无论邮箱是否存在，都返回相同的成功消息
|
||
res.json({ success: true, message: '如果该邮箱已注册，您将收到密码重置链接' });
|
||
} catch (error) {
|
||
const status = error.status || 500;
|
||
console.error('密码重置请求失败:', error);
|
||
res.status(status).json({ success: false, message: error.message || '发送失败' });
|
||
}
|
||
});
|
||
|
||
// 使用邮件Token重置密码
|
||
app.post('/api/password/reset', [
|
||
body('token').notEmpty().withMessage('缺少token'),
|
||
body('new_password').isLength({ min: 6 }).withMessage('新密码至少6个字符')
|
||
], async (req, res) => {
|
||
const errors = validationResult(req);
|
||
if (!errors.isEmpty()) {
|
||
return res.status(400).json({ success: false, errors: errors.array() });
|
||
}
|
||
|
||
const { token, new_password } = req.body;
|
||
try {
|
||
const tokenRow = PasswordResetTokenDB.use(token);
|
||
if (!tokenRow) {
|
||
return res.status(400).json({ success: false, message: '无效或已过期的重置链接' });
|
||
}
|
||
|
||
const user = UserDB.findById(tokenRow.user_id);
|
||
if (!user) {
|
||
return res.status(404).json({ success: false, message: '用户不存在' });
|
||
}
|
||
if (user.is_banned || !user.is_active) {
|
||
return res.status(403).json({ success: false, message: '账号不可用，无法重置密码' });
|
||
}
|
||
if (!user.is_verified) {
|
||
return res.status(400).json({ success: false, message: '邮箱未验证，无法重置密码' });
|
||
}
|
||
|
||
// 更新密码
|
||
const hashed = require('bcryptjs').hashSync(new_password, 10);
|
||
db.prepare('UPDATE users SET password = ?, updated_at = CURRENT_TIMESTAMP WHERE id = ?')
|
||
.run(hashed, tokenRow.user_id);
|
||
|
||
res.json({ success: true, message: '密码重置成功，请重新登录' });
|
||
} catch (error) {
|
||
console.error('密码重置失败:', error);
|
||
res.status(500).json({ success: false, message: '密码重置失败' });
|
||
}
|
||
});
|
||
|
||
// 用户登录
|
||
app.post('/api/login',
|
||
loginRateLimitMiddleware,
|
||
[
|
||
body('username').notEmpty().withMessage('用户名不能为空'),
|
||
body('password').notEmpty().withMessage('密码不能为空')
|
||
],
|
||
(req, res) => {
|
||
const errors = validationResult(req);
|
||
if (!errors.isEmpty()) {
|
||
return res.status(400).json({
|
||
success: false,
|
||
errors: errors.array()
|
||
});
|
||
}
|
||
|
||
const { username, password, captcha } = req.body;
|
||
|
||
try {
|
||
// 检查是否需要验证码
|
||
const ipKey = req.rateLimitKeys?.ipKey;
|
||
const usernameKey = req.rateLimitKeys?.usernameKey;
|
||
const ipFailures = ipKey ? loginLimiter.getFailureCount(ipKey) : 0;
|
||
const usernameFailures = usernameKey ? loginLimiter.getFailureCount(usernameKey) : 0;
|
||
const needCaptcha = ipFailures >= 2 || usernameFailures >= 2;
|
||
|
||
// 如果需要验证码，则验证验证码
|
||
if (needCaptcha) {
|
||
console.log('[登录验证] 需要验证码, IP失败次数:', ipFailures, '用户名失败次数:', usernameFailures);
|
||
|
||
if (!captcha) {
|
||
return res.status(400).json({
|
||
success: false,
|
||
message: '请输入验证码',
|
||
needCaptcha: true
|
||
});
|
||
}
|
||
|
||
// 验证验证码
|
||
const sessionCaptcha = req.session.captcha;
|
||
const captchaTime = req.session.captchaTime;
|
||
|
||
// 安全：不记录验证码明文
|
||
console.log('[登录验证] 正在验证验证码...');
|
||
|
||
if (!sessionCaptcha || !captchaTime) {
|
||
console.log('[登录验证] 验证码不存在于Session中');
|
||
return res.status(400).json({
|
||
success: false,
|
||
message: '验证码已过期，请刷新验证码',
|
||
needCaptcha: true
|
||
});
|
||
}
|
||
|
||
// 验证码有效期5分钟
|
||
if (Date.now() - captchaTime > 5 * 60 * 1000) {
|
||
console.log('[登录验证] 验证码已超过5分钟');
|
||
return res.status(400).json({
|
||
success: false,
|
||
message: '验证码已过期，请刷新验证码',
|
||
needCaptcha: true
|
||
});
|
||
}
|
||
|
||
if (captcha.toLowerCase() !== sessionCaptcha) {
|
||
console.log('[登录验证] 验证码不匹配');
|
||
return res.status(400).json({
|
||
success: false,
|
||
message: '验证码错误',
|
||
needCaptcha: true
|
||
});
|
||
}
|
||
|
||
console.log('[登录验证] 验证码验证通过');
|
||
// 验证通过后清除session中的验证码
|
||
delete req.session.captcha;
|
||
delete req.session.captchaTime;
|
||
}
|
||
|
||
const user = UserDB.findByUsername(username);
|
||
|
||
if (!user) {
|
||
// 记录失败尝试
|
||
if (req.rateLimitKeys) {
|
||
const result = loginLimiter.recordFailure(req.rateLimitKeys.ipKey);
|
||
if (req.rateLimitKeys.usernameKey) {
|
||
loginLimiter.recordFailure(req.rateLimitKeys.usernameKey);
|
||
}
|
||
return res.status(401).json({
|
||
success: false,
|
||
message: '用户名或密码错误',
|
||
needCaptcha: result.needCaptcha
|
||
});
|
||
}
|
||
return res.status(401).json({
|
||
success: false,
|
||
message: '用户名或密码错误'
|
||
});
|
||
}
|
||
|
||
if (user.is_banned) {
|
||
return res.status(403).json({
|
||
success: false,
|
||
message: '账号已被封禁'
|
||
});
|
||
}
|
||
|
||
if (!user.is_verified) {
|
||
return res.status(403).json({
|
||
success: false,
|
||
message: '邮箱未验证，请查收邮件或重新发送验证邮件',
|
||
needVerify: true,
|
||
email: user.email
|
||
});
|
||
}
|
||
|
||
if (!UserDB.verifyPassword(password, user.password)) {
|
||
// 记录登录失败安全日志
|
||
logSecurity(req, 'login_failed', `登录失败(密码错误): ${username}`, { userId: user.id });
|
||
|
||
// 记录失败尝试
|
||
if (req.rateLimitKeys) {
|
||
const result = loginLimiter.recordFailure(req.rateLimitKeys.ipKey);
|
||
if (req.rateLimitKeys.usernameKey) {
|
||
loginLimiter.recordFailure(req.rateLimitKeys.usernameKey);
|
||
}
|
||
return res.status(401).json({
|
||
success: false,
|
||
message: '用户名或密码错误',
|
||
needCaptcha: result.needCaptcha
|
||
});
|
||
}
|
||
return res.status(401).json({
|
||
success: false,
|
||
message: '用户名或密码错误'
|
||
});
|
||
}
|
||
|
||
const token = generateToken(user);
|
||
const refreshToken = generateRefreshToken(user);
|
||
|
||
// 清除失败记录
|
||
if (req.rateLimitKeys) {
|
||
loginLimiter.recordSuccess(req.rateLimitKeys.ipKey);
|
||
if (req.rateLimitKeys.usernameKey) {
|
||
loginLimiter.recordSuccess(req.rateLimitKeys.usernameKey);
|
||
}
|
||
}
|
||
|
||
// 增强Cookie安全设置
|
||
const isSecureEnv = process.env.COOKIE_SECURE === 'true';
|
||
const cookieOptions = {
|
||
httpOnly: true,
|
||
secure: isSecureEnv,
|
||
sameSite: isSecureEnv ? 'strict' : 'lax',
|
||
path: '/'
|
||
};
|
||
|
||
// 设置 access token Cookie（2小时有效）
|
||
res.cookie('token', token, {
|
||
...cookieOptions,
|
||
maxAge: 2 * 60 * 60 * 1000
|
||
});
|
||
|
||
// 设置 refresh token Cookie（7天有效）
|
||
res.cookie('refreshToken', refreshToken, {
|
||
...cookieOptions,
|
||
maxAge: 7 * 24 * 60 * 60 * 1000
|
||
});
|
||
|
||
// 记录登录成功日志
|
||
logAuth(req, 'login', `用户登录成功: ${user.username}`, { userId: user.id, isAdmin: user.is_admin });
|
||
|
||
res.json({
|
||
success: true,
|
||
message: '登录成功',
|
||
expiresIn: 2 * 60 * 60 * 1000, // 告知前端access token有效期（毫秒）
|
||
user: {
|
||
id: user.id,
|
||
username: user.username,
|
||
email: user.email,
|
||
is_admin: user.is_admin,
|
||
has_ftp_config: user.has_ftp_config,
|
||
// 存储相关字段
|
||
storage_permission: user.storage_permission || 'sftp_only',
|
||
current_storage_type: user.current_storage_type || 'sftp',
|
||
local_storage_quota: user.local_storage_quota || 1073741824,
|
||
local_storage_used: user.local_storage_used || 0
|
||
}
|
||
});
|
||
} catch (error) {
|
||
console.error('登录失败:', error);
|
||
logAuth(req, 'login_error', `登录异常: ${req.body.username || 'unknown'}`, { error: error.message }, 'error');
|
||
res.status(500).json({
|
||
success: false,
|
||
message: '登录失败: ' + error.message
|
||
});
|
||
}
|
||
}
|
||
);
|
||
|
||
// 刷新Access Token（从 HttpOnly Cookie 读取 refreshToken）
|
||
app.post('/api/refresh-token', (req, res) => {
|
||
// 优先从 Cookie 读取，兼容从请求体读取（向后兼容）
|
||
const refreshToken = req.cookies?.refreshToken || req.body?.refreshToken;
|
||
|
||
if (!refreshToken) {
|
||
return res.status(400).json({
|
||
success: false,
|
||
message: '缺少刷新令牌'
|
||
});
|
||
}
|
||
|
||
const result = refreshAccessToken(refreshToken);
|
||
|
||
if (!result.success) {
|
||
return res.status(401).json({
|
||
success: false,
|
||
message: result.message
|
||
});
|
||
}
|
||
|
||
// 更新Cookie中的token
|
||
const isSecureEnv = process.env.COOKIE_SECURE === 'true';
|
||
res.cookie('token', result.token, {
|
||
httpOnly: true,
|
||
secure: isSecureEnv,
|
||
sameSite: isSecureEnv ? 'strict' : 'lax',
|
||
maxAge: 2 * 60 * 60 * 1000,
|
||
path: '/'
|
||
});
|
||
|
||
res.json({
|
||
success: true,
|
||
expiresIn: 2 * 60 * 60 * 1000
|
||
});
|
||
});
|
||
|
||
// 登出（清除Cookie）
|
||
app.post('/api/logout', (req, res) => {
|
||
// 清除所有认证Cookie
|
||
res.clearCookie('token', { path: '/' });
|
||
res.clearCookie('refreshToken', { path: '/' });
|
||
res.json({ success: true, message: '已登出' });
|
||
});
|
||
|
||
// ===== 需要认证的API =====
|
||
|
||
// 获取当前用户信息
|
||
app.get('/api/user/profile', authMiddleware, (req, res) => {
|
||
// 不返回密码明文
|
||
const { ftp_password, password, ...safeUser } = req.user;
|
||
safeUser.http_download_base_url = sanitizeHttpBaseUrl(safeUser.http_download_base_url);
|
||
res.json({
|
||
success: true,
|
||
user: safeUser
|
||
});
|
||
});
|
||
|
||
// 获取用户主题偏好（包含全局默认主题）
|
||
app.get('/api/user/theme', authMiddleware, (req, res) => {
|
||
try {
|
||
const globalTheme = SettingsDB.get('global_theme') || 'dark';
|
||
const userTheme = req.user.theme_preference; // null表示跟随全局
|
||
|
||
res.json({
|
||
success: true,
|
||
theme: {
|
||
global: globalTheme,
|
||
user: userTheme,
|
||
effective: userTheme || globalTheme // 用户设置优先，否则使用全局
|
||
}
|
||
});
|
||
} catch (error) {
|
||
res.status(500).json({ success: false, message: '获取主题失败' });
|
||
}
|
||
});
|
||
|
||
// 设置用户主题偏好
|
||
app.post('/api/user/theme', authMiddleware, (req, res) => {
|
||
try {
|
||
const { theme } = req.body;
|
||
const validThemes = ['dark', 'light', null]; // null表示跟随全局
|
||
|
||
if (!validThemes.includes(theme)) {
|
||
return res.status(400).json({
|
||
success: false,
|
||
message: '无效的主题设置，可选: dark, light, null(跟随全局)'
|
||
});
|
||
}
|
||
|
||
UserDB.update(req.user.id, { theme_preference: theme });
|
||
|
||
const globalTheme = SettingsDB.get('global_theme') || 'dark';
|
||
res.json({
|
||
success: true,
|
||
message: '主题偏好已更新',
|
||
theme: {
|
||
global: globalTheme,
|
||
user: theme,
|
||
effective: theme || globalTheme
|
||
}
|
||
});
|
||
} catch (error) {
|
||
console.error('更新主题失败:', error);
|
||
res.status(500).json({ success: false, message: '更新主题失败' });
|
||
}
|
||
});
|
||
|
||
// 更新FTP配置
|
||
app.post('/api/user/update-ftp',
|
||
authMiddleware,
|
||
[
|
||
body('ftp_host').notEmpty().withMessage('FTP主机不能为空'),
|
||
body('ftp_port').isInt({ min: 1, max: 65535 }).withMessage('FTP端口范围1-65535'),
|
||
body('ftp_user').notEmpty().withMessage('FTP用户名不能为空'),
|
||
body('http_download_base_url')
|
||
.optional({ checkFalsy: true })
|
||
.isURL({ protocols: ['http', 'https'], require_protocol: true, require_tld: false })
|
||
.withMessage('HTTP直链地址必须以 http/https 开头')
|
||
],
|
||
async (req, res) => {
|
||
const errors = validationResult(req);
|
||
if (!errors.isEmpty()) {
|
||
return res.status(400).json({
|
||
success: false,
|
||
errors: errors.array()
|
||
});
|
||
}
|
||
|
||
try {
|
||
const { ftp_host, ftp_port, ftp_user, ftp_password, http_download_base_url } = req.body;
|
||
// 调试日志：查看接收到的配置（掩码密码）
|
||
console.log("[DEBUG] 收到SFTP配置:", {
|
||
ftp_host,
|
||
ftp_port,
|
||
ftp_user,
|
||
ftp_password: ftp_password ? "***" : "(empty)",
|
||
http_download_base_url
|
||
});
|
||
|
||
const safeHttpBaseUrl = sanitizeHttpBaseUrl(http_download_base_url);
|
||
if (http_download_base_url && !safeHttpBaseUrl) {
|
||
return res.status(400).json({
|
||
success: false,
|
||
message: 'HTTP直链地址必须是合法的http/https地址，且不能包含查询或片段'
|
||
});
|
||
}
|
||
|
||
// 如果用户已配置FTP且密码为空，使用现有密码
|
||
let actualPassword = ftp_password;
|
||
if (!ftp_password && req.user.has_ftp_config && req.user.ftp_password) {
|
||
actualPassword = req.user.ftp_password;
|
||
} else if (!ftp_password) {
|
||
return res.status(400).json({
|
||
success: false,
|
||
message: 'FTP密码不能为空'
|
||
});
|
||
}
|
||
|
||
// 主机校验与防SSRF
|
||
const { port: safePort } = await validateSftpDestination(ftp_host, ftp_port);
|
||
|
||
// 验证FTP连接
|
||
try {
|
||
const sftp = await connectToSFTP({ ftp_host, ftp_port: safePort, ftp_user, ftp_password: actualPassword });
|
||
await sftp.end();
|
||
} catch (error) {
|
||
return res.status(400).json({
|
||
success: false,
|
||
message: 'SFTP连接失败，请检查配置: ' + error.message
|
||
});
|
||
}
|
||
|
||
// 更新用户配置
|
||
UserDB.update(req.user.id, {
|
||
ftp_host,
|
||
ftp_port: safePort,
|
||
ftp_user,
|
||
ftp_password: actualPassword,
|
||
http_download_base_url: safeHttpBaseUrl || null,
|
||
has_ftp_config: 1
|
||
});
|
||
|
||
res.json({
|
||
success: true,
|
||
message: 'SFTP配置已更新'
|
||
});
|
||
} catch (error) {
|
||
console.error('更新配置失败:', error);
|
||
res.status(500).json({
|
||
success: false,
|
||
message: '更新配置失败: ' + error.message
|
||
});
|
||
}
|
||
}
|
||
);
|
||
|
||
// 获取SFTP存储空间使用情况
|
||
app.get('/api/user/sftp-usage', authMiddleware, async (req, res) => {
|
||
let sftp = null;
|
||
|
||
try {
|
||
// 检查用户是否配置了SFTP
|
||
if (!req.user.has_ftp_config) {
|
||
return res.status(400).json({
|
||
success: false,
|
||
message: '未配置SFTP服务器'
|
||
});
|
||
}
|
||
|
||
// 连接SFTP
|
||
sftp = await connectToSFTP(req.user);
|
||
|
||
// 递归计算目录大小的函数
|
||
async function calculateDirSize(dirPath) {
|
||
let totalSize = 0;
|
||
let fileCount = 0;
|
||
let dirCount = 0;
|
||
|
||
try {
|
||
const list = await sftp.list(dirPath);
|
||
|
||
for (const item of list) {
|
||
// 跳过 . 和 .. 目录
|
||
if (item.name === '.' || item.name === '..') continue;
|
||
|
||
const itemPath = dirPath === '/' ? `/${item.name}` : `${dirPath}/${item.name}`;
|
||
|
||
if (item.type === 'd') {
|
||
// 是目录，递归计算
|
||
dirCount++;
|
||
const subResult = await calculateDirSize(itemPath);
|
||
totalSize += subResult.totalSize;
|
||
fileCount += subResult.fileCount;
|
||
dirCount += subResult.dirCount;
|
||
} else {
|
||
// 是文件，累加大小
|
||
fileCount++;
|
||
totalSize += item.size || 0;
|
||
}
|
||
}
|
||
} catch (err) {
|
||
// 跳过无法访问的目录
|
||
console.warn(`[SFTP统计] 无法访问目录 ${dirPath}: ${err.message}`);
|
||
}
|
||
|
||
return { totalSize, fileCount, dirCount };
|
||
}
|
||
|
||
// 从根目录开始计算
|
||
const result = await calculateDirSize('/');
|
||
|
||
res.json({
|
||
success: true,
|
||
usage: {
|
||
totalSize: result.totalSize,
|
||
totalSizeFormatted: formatFileSize(result.totalSize),
|
||
fileCount: result.fileCount,
|
||
dirCount: result.dirCount
|
||
}
|
||
});
|
||
|
||
} catch (error) {
|
||
console.error('[SFTP统计] 获取失败:', error);
|
||
res.status(500).json({
|
||
success: false,
|
||
message: '获取SFTP空间使用情况失败: ' + error.message
|
||
});
|
||
} finally {
|
||
if (sftp) {
|
||
try {
|
||
await sftp.end();
|
||
} catch (e) {
|
||
// 忽略关闭错误
|
||
}
|
||
}
|
||
}
|
||
});
|
||
|
||
// 修改管理员账号信息（仅管理员可修改用户名）
|
||
app.post('/api/admin/update-profile',
|
||
authMiddleware,
|
||
adminMiddleware,
|
||
[
|
||
body('username')
|
||
.isLength({ min: 3, max: 20 }).withMessage('用户名长度3-20个字符')
|
||
.matches(USERNAME_REGEX).withMessage('用户名仅允许中英文、数字、下划线、点和短横线')
|
||
],
|
||
async (req, res) => {
|
||
const errors = validationResult(req);
|
||
if (!errors.isEmpty()) {
|
||
return res.status(400).json({
|
||
success: false,
|
||
errors: errors.array()
|
||
});
|
||
}
|
||
|
||
try {
|
||
const { username } = req.body;
|
||
|
||
// 检查用户名是否被占用（排除自己）
|
||
if (username !== req.user.username) {
|
||
const existingUser = UserDB.findByUsername(username);
|
||
if (existingUser && existingUser.id !== req.user.id) {
|
||
return res.status(400).json({
|
||
success: false,
|
||
message: '用户名已被使用'
|
||
});
|
||
}
|
||
|
||
// 更新用户名
|
||
UserDB.update(req.user.id, { username });
|
||
|
||
// 获取更新后的用户信息
|
||
const updatedUser = UserDB.findById(req.user.id);
|
||
|
||
// 生成新的token（因为用户名变了）
|
||
const newToken = generateToken(updatedUser);
|
||
|
||
res.json({
|
||
success: true,
|
||
message: '用户名已更新',
|
||
token: newToken,
|
||
user: {
|
||
id: updatedUser.id,
|
||
username: updatedUser.username,
|
||
email: updatedUser.email,
|
||
is_admin: updatedUser.is_admin
|
||
}
|
||
});
|
||
} else {
|
||
res.json({
|
||
success: true,
|
||
message: '没有需要更新的信息'
|
||
});
|
||
}
|
||
} catch (error) {
|
||
console.error('更新账号信息失败:', error);
|
||
res.status(500).json({
|
||
success: false,
|
||
message: '更新失败: ' + error.message
|
||
});
|
||
}
|
||
}
|
||
);
|
||
|
||
// 修改当前用户密码（需要验证当前密码）
|
||
app.post('/api/user/change-password',
|
||
authMiddleware,
|
||
[
|
||
body('current_password').notEmpty().withMessage('当前密码不能为空'),
|
||
body('new_password').isLength({ min: 6 }).withMessage('新密码至少6个字符')
|
||
],
|
||
(req, res) => {
|
||
const errors = validationResult(req);
|
||
if (!errors.isEmpty()) {
|
||
return res.status(400).json({
|
||
success: false,
|
||
errors: errors.array()
|
||
});
|
||
}
|
||
|
||
try {
|
||
const { current_password, new_password } = req.body;
|
||
|
||
// 获取当前用户信息
|
||
const user = UserDB.findById(req.user.id);
|
||
if (!user) {
|
||
return res.status(404).json({
|
||
success: false,
|
||
message: '用户不存在'
|
||
});
|
||
}
|
||
|
||
// 验证当前密码
|
||
if (!UserDB.verifyPassword(current_password, user.password)) {
|
||
return res.status(401).json({
|
||
success: false,
|
||
message: '当前密码错误'
|
||
});
|
||
}
|
||
|
||
// 更新密码
|
||
UserDB.update(req.user.id, { password: new_password });
|
||
|
||
res.json({
|
||
success: true,
|
||
message: '密码修改成功'
|
||
});
|
||
} catch (error) {
|
||
console.error('修改密码失败:', error);
|
||
res.status(500).json({
|
||
success: false,
|
||
message: '修改密码失败: ' + error.message
|
||
});
|
||
}
|
||
}
|
||
);
|
||
|
||
// 修改当前用户名
|
||
app.post('/api/user/update-username',
|
||
authMiddleware,
|
||
[
|
||
body('username')
|
||
.isLength({ min: 3 }).withMessage('用户名至少3个字符')
|
||
.matches(USERNAME_REGEX).withMessage('用户名仅允许中英文、数字、下划线、点和短横线')
|
||
],
|
||
(req, res) => {
|
||
const errors = validationResult(req);
|
||
if (!errors.isEmpty()) {
|
||
return res.status(400).json({
|
||
success: false,
|
||
errors: errors.array()
|
||
});
|
||
}
|
||
|
||
try {
|
||
const { username } = req.body;
|
||
|
||
// 检查用户名是否已存在
|
||
const existingUser = UserDB.findByUsername(username);
|
||
if (existingUser && existingUser.id !== req.user.id) {
|
||
return res.status(400).json({
|
||
success: false,
|
||
message: '用户名已存在'
|
||
});
|
||
}
|
||
|
||
// 更新用户名
|
||
UserDB.update(req.user.id, { username });
|
||
|
||
res.json({
|
||
success: true,
|
||
message: '用户名修改成功'
|
||
});
|
||
} catch (error) {
|
||
console.error('修改用户名失败:', error);
|
||
res.status(500).json({
|
||
success: false,
|
||
message: '修改用户名失败: ' + error.message
|
||
});
|
||
}
|
||
}
|
||
);
|
||
|
||
// 切换存储方式
|
||
app.post('/api/user/switch-storage',
|
||
authMiddleware,
|
||
[
|
||
body('storage_type').isIn(['local', 'sftp']).withMessage('无效的存储类型')
|
||
],
|
||
async (req, res) => {
|
||
const errors = validationResult(req);
|
||
if (!errors.isEmpty()) {
|
||
return res.status(400).json({
|
||
success: false,
|
||
errors: errors.array()
|
||
});
|
||
}
|
||
|
||
try {
|
||
const { storage_type } = req.body;
|
||
|
||
// 检查权限
|
||
if (req.user.storage_permission === 'local_only' && storage_type !== 'local') {
|
||
return res.status(403).json({
|
||
success: false,
|
||
message: '您只能使用本地存储'
|
||
});
|
||
}
|
||
|
||
if (req.user.storage_permission === 'sftp_only' && storage_type !== 'sftp') {
|
||
return res.status(403).json({
|
||
success: false,
|
||
message: '您只能使用SFTP存储'
|
||
});
|
||
}
|
||
|
||
// 检查SFTP配置
|
||
if (storage_type === 'sftp' && !req.user.has_ftp_config) {
|
||
return res.status(400).json({
|
||
success: false,
|
||
message: '请先配置SFTP服务器'
|
||
});
|
||
}
|
||
|
||
// 更新存储类型
|
||
UserDB.update(req.user.id, { current_storage_type: storage_type });
|
||
|
||
res.json({
|
||
success: true,
|
||
message: '存储方式已切换',
|
||
storage_type
|
||
});
|
||
} catch (error) {
|
||
console.error('切换存储失败:', error);
|
||
res.status(500).json({
|
||
success: false,
|
||
message: '切换存储失败: ' + error.message
|
||
});
|
||
}
|
||
}
|
||
);
|
||
|
||
// 获取文件列表（添加速率限制）
|
||
app.get('/api/files', authMiddleware, async (req, res) => {
|
||
// 速率限制检查
|
||
const rateLimitKey = `file_list:${req.user.id}`;
|
||
const rateLimitResult = fileListLimiter.recordFailure(rateLimitKey);
|
||
if (rateLimitResult.blocked) {
|
||
return res.status(429).json({
|
||
success: false,
|
||
message: `请求过于频繁，请在 ${rateLimitResult.waitMinutes} 分钟后重试`
|
||
});
|
||
}
|
||
|
||
const dirPath = req.query.path || '/';
|
||
let storage;
|
||
|
||
try {
|
||
// 使用统一存储接口
|
||
const { StorageInterface } = require('./storage');
|
||
const storageInterface = new StorageInterface(req.user);
|
||
storage = await storageInterface.connect();
|
||
|
||
const list = await storage.list(dirPath);
|
||
|
||
const storageType = req.user.current_storage_type || 'sftp';
|
||
const sanitizedHttpBase = sanitizeHttpBaseUrl(req.user.http_download_base_url);
|
||
|
||
const formattedList = list.map(item => {
|
||
// 构建完整的文件路径用于下载
|
||
const httpDownloadUrl = (storageType === 'sftp' && sanitizedHttpBase && item.type !== 'd')
|
||
? buildHttpDownloadUrl(sanitizedHttpBase, dirPath === '/' ? `/${item.name}` : `${dirPath}/${item.name}`)
|
||
: null;
|
||
|
||
return {
|
||
name: item.name,
|
||
type: item.type === 'd' ? 'directory' : 'file',
|
||
size: item.size,
|
||
sizeFormatted: formatFileSize(item.size),
|
||
modifiedAt: new Date(item.modifyTime),
|
||
isDirectory: item.type === 'd',
|
||
httpDownloadUrl: httpDownloadUrl
|
||
};
|
||
});
|
||
|
||
formattedList.sort((a, b) => {
|
||
if (a.isDirectory && !b.isDirectory) return -1;
|
||
if (!a.isDirectory && b.isDirectory) return 1;
|
||
return a.name.localeCompare(b.name);
|
||
});
|
||
|
||
res.json({
|
||
success: true,
|
||
path: dirPath,
|
||
items: formattedList,
|
||
storageType: storageType,
|
||
storagePermission: req.user.storage_permission || 'sftp_only'
|
||
});
|
||
} catch (error) {
|
||
console.error('获取文件列表失败:', error);
|
||
res.status(500).json({
|
||
success: false,
|
||
message: '获取文件列表失败: ' + error.message
|
||
});
|
||
} finally {
|
||
if (storage) await storage.end();
|
||
}
|
||
});
|
||
|
||
// 重命名文件
|
||
app.post('/api/files/rename', authMiddleware, async (req, res) => {
|
||
const { oldName, newName, path } = req.body;
|
||
let storage;
|
||
|
||
if (!oldName || !newName) {
|
||
return res.status(400).json({
|
||
success: false,
|
||
message: '缺少文件名参数'
|
||
});
|
||
}
|
||
|
||
try {
|
||
// 使用统一存储接口
|
||
const { StorageInterface } = require('./storage');
|
||
const storageInterface = new StorageInterface(req.user);
|
||
storage = await storageInterface.connect();
|
||
|
||
const oldPath = path === '/' ? `/${oldName}` : `${path}/${oldName}`;
|
||
const newPath = path === '/' ? `/${newName}` : `${path}/${newName}`;
|
||
|
||
await storage.rename(oldPath, newPath);
|
||
|
||
res.json({
|
||
success: true,
|
||
message: '文件重命名成功'
|
||
});
|
||
} catch (error) {
|
||
console.error('重命名文件失败:', error);
|
||
res.status(500).json({
|
||
success: false,
|
||
message: '重命名文件失败: ' + error.message
|
||
});
|
||
} finally {
|
||
if (storage) await storage.end();
|
||
}
|
||
});
|
||
|
||
// 创建文件夹
|
||
app.post('/api/files/mkdir', authMiddleware, async (req, res) => {
|
||
const { path, folderName } = req.body;
|
||
let storage;
|
||
|
||
// 参数验证
|
||
if (!folderName || folderName.trim() === '') {
|
||
return res.status(400).json({
|
||
success: false,
|
||
message: '文件夹名称不能为空'
|
||
});
|
||
}
|
||
|
||
// 文件名安全检查 - 防止路径遍历攻击
|
||
if (folderName.includes('/') || folderName.includes('\\') || folderName.includes('..') || folderName.includes(':')) {
|
||
return res.status(400).json({
|
||
success: false,
|
||
message: '文件夹名称不能包含特殊字符 (/ \\ .. :)'
|
||
});
|
||
}
|
||
|
||
// 只允许本地存储创建文件夹
|
||
if (req.user.current_storage_type !== 'local') {
|
||
return res.status(400).json({
|
||
success: false,
|
||
message: '只有本地存储支持创建文件夹'
|
||
});
|
||
}
|
||
|
||
try {
|
||
const { StorageInterface } = require('./storage');
|
||
const storageInterface = new StorageInterface(req.user);
|
||
storage = await storageInterface.connect();
|
||
|
||
// 构造文件夹路径
|
||
const basePath = path || '/';
|
||
const folderPath = basePath === '/' ? `/${folderName}` : `${basePath}/${folderName}`;
|
||
const fullPath = storage.getFullPath(folderPath);
|
||
|
||
// 检查是否已存在
|
||
if (fs.existsSync(fullPath)) {
|
||
return res.status(400).json({
|
||
success: false,
|
||
message: '文件夹已存在'
|
||
});
|
||
}
|
||
|
||
// 创建文件夹 (不使用recursive,只创建当前层级)
|
||
fs.mkdirSync(fullPath, { mode: 0o755 });
|
||
|
||
console.log(`[创建文件夹成功] 用户${req.user.id}: ${folderPath}`);
|
||
|
||
res.json({
|
||
success: true,
|
||
message: '文件夹创建成功'
|
||
});
|
||
} catch (error) {
|
||
console.error('[创建文件夹失败]', error);
|
||
res.status(500).json({
|
||
success: false,
|
||
message: '创建文件夹失败: ' + error.message
|
||
});
|
||
} finally {
|
||
if (storage) await storage.end();
|
||
}
|
||
});
|
||
|
||
// 获取文件夹详情(大小统计)
|
||
app.post('/api/files/folder-info', authMiddleware, async (req, res) => {
|
||
const { path: dirPath, folderName } = req.body;
|
||
let storage;
|
||
|
||
if (!folderName) {
|
||
return res.status(400).json({
|
||
success: false,
|
||
message: '缺少文件夹名称参数'
|
||
});
|
||
}
|
||
|
||
// 只支持本地存储
|
||
if (req.user.current_storage_type !== 'local') {
|
||
return res.status(400).json({
|
||
success: false,
|
||
message: '只有本地存储支持此功能'
|
||
});
|
||
}
|
||
|
||
try {
|
||
const { StorageInterface } = require('./storage');
|
||
const storageInterface = new StorageInterface(req.user);
|
||
storage = await storageInterface.connect();
|
||
|
||
// 构造文件夹路径
|
||
const basePath = dirPath || '/';
|
||
const folderPath = basePath === '/' ? `/${folderName}` : `${basePath}/${folderName}`;
|
||
const fullPath = storage.getFullPath(folderPath);
|
||
|
||
// 检查是否存在且是文件夹
|
||
if (!fs.existsSync(fullPath)) {
|
||
return res.status(404).json({
|
||
success: false,
|
||
message: '文件夹不存在'
|
||
});
|
||
}
|
||
|
||
const stats = fs.statSync(fullPath);
|
||
if (!stats.isDirectory()) {
|
||
return res.status(400).json({
|
||
success: false,
|
||
message: '指定路径不是文件夹'
|
||
});
|
||
}
|
||
|
||
// 计算文件夹大小
|
||
const folderSize = storage.calculateFolderSize(fullPath);
|
||
|
||
// 计算文件数量
|
||
function countFiles(countDirPath) {
|
||
let fileCount = 0;
|
||
let folderCount = 0;
|
||
|
||
const items = fs.readdirSync(countDirPath, { withFileTypes: true });
|
||
|
||
for (const item of items) {
|
||
const itemPath = path.join(countDirPath, item.name);
|
||
|
||
if (item.isDirectory()) {
|
||
folderCount++;
|
||
const subCounts = countFiles(itemPath);
|
||
fileCount += subCounts.fileCount;
|
||
folderCount += subCounts.folderCount;
|
||
} else {
|
||
fileCount++;
|
||
}
|
||
}
|
||
|
||
return { fileCount, folderCount };
|
||
}
|
||
|
||
const counts = countFiles(fullPath);
|
||
|
||
res.json({
|
||
success: true,
|
||
data: {
|
||
name: folderName,
|
||
path: folderPath,
|
||
size: folderSize,
|
||
fileCount: counts.fileCount,
|
||
folderCount: counts.folderCount
|
||
}
|
||
});
|
||
} catch (error) {
|
||
console.error('[获取文件夹详情失败]', error);
|
||
res.status(500).json({
|
||
success: false,
|
||
message: '获取文件夹详情失败: ' + error.message
|
||
});
|
||
} finally {
|
||
if (storage) await storage.end();
|
||
}
|
||
});
|
||
|
||
// 删除文件
|
||
app.post('/api/files/delete', authMiddleware, async (req, res) => {
|
||
const { fileName, path } = req.body;
|
||
let storage;
|
||
|
||
if (!fileName) {
|
||
return res.status(400).json({
|
||
success: false,
|
||
message: '缺少文件名参数'
|
||
});
|
||
}
|
||
|
||
try {
|
||
// 使用统一存储接口
|
||
const { StorageInterface } = require('./storage');
|
||
const storageInterface = new StorageInterface(req.user);
|
||
storage = await storageInterface.connect();
|
||
|
||
const filePath = path === '/' ? `/${fileName}` : `${path}/${fileName}`;
|
||
|
||
await storage.delete(filePath);
|
||
|
||
res.json({
|
||
success: true,
|
||
message: '删除成功'
|
||
});
|
||
} catch (error) {
|
||
console.error('删除文件失败:', error);
|
||
res.status(500).json({
|
||
success: false,
|
||
message: '删除文件失败: ' + error.message
|
||
});
|
||
} finally {
|
||
if (storage) await storage.end();
|
||
}
|
||
});
|
||
|
||
// 上传文件（添加速率限制）
|
||
app.post('/api/upload', authMiddleware, upload.single('file'), async (req, res) => {
|
||
// 速率限制检查
|
||
const rateLimitKey = `upload:${req.user.id}`;
|
||
const rateLimitResult = uploadLimiter.recordFailure(rateLimitKey);
|
||
if (rateLimitResult.blocked) {
|
||
// 清理已上传的临时文件
|
||
if (req.file && fs.existsSync(req.file.path)) {
|
||
safeDeleteFile(req.file.path);
|
||
}
|
||
return res.status(429).json({
|
||
success: false,
|
||
message: `上传过于频繁，请在 ${rateLimitResult.waitMinutes} 分钟后重试`
|
||
});
|
||
}
|
||
|
||
if (!req.file) {
|
||
return res.status(400).json({
|
||
success: false,
|
||
message: '没有上传文件'
|
||
});
|
||
}
|
||
|
||
// 检查文件大小限制
|
||
const maxUploadSize = parseInt(SettingsDB.get('max_upload_size') || '10737418240');
|
||
if (req.file.size > maxUploadSize) {
|
||
// 删除已上传的临时文件
|
||
if (fs.existsSync(req.file.path)) {
|
||
safeDeleteFile(req.file.path);
|
||
}
|
||
|
||
return res.status(413).json({
|
||
success: false,
|
||
message: '文件超过上传限制',
|
||
maxSize: maxUploadSize,
|
||
fileSize: req.file.size
|
||
});
|
||
}
|
||
|
||
const remotePath = req.body.path || '/';
|
||
// 修复中文文件名：multer将UTF-8转为了Latin1，需要转回来
|
||
const originalFilename = Buffer.from(req.file.originalname, 'latin1').toString('utf8');
|
||
|
||
// 文件名安全校验
|
||
if (!isSafePathSegment(originalFilename)) {
|
||
safeDeleteFile(req.file.path);
|
||
return res.status(400).json({
|
||
success: false,
|
||
message: '文件名包含非法字符'
|
||
});
|
||
}
|
||
|
||
// 文件扩展名安全检查（防止上传危险文件）
|
||
if (!isFileExtensionSafe(originalFilename)) {
|
||
console.warn(`[安全] 拒绝上传危险文件: ${originalFilename}, 用户: ${req.user.username}`);
|
||
safeDeleteFile(req.file.path);
|
||
return res.status(400).json({
|
||
success: false,
|
||
message: '不允许上传此类型的文件（安全限制）'
|
||
});
|
||
}
|
||
|
||
// 路径安全校验
|
||
const normalizedPath = path.posix.normalize(remotePath || '/');
|
||
if (normalizedPath.includes('..')) {
|
||
return res.status(400).json({
|
||
success: false,
|
||
message: '上传路径非法'
|
||
});
|
||
}
|
||
const safePath = normalizedPath === '.' ? '/' : normalizedPath;
|
||
|
||
const remoteFilePath = safePath === '/'
|
||
? `/${originalFilename}`
|
||
: `${safePath}/${originalFilename}`;
|
||
|
||
let storage;
|
||
|
||
try {
|
||
// 使用统一存储接口
|
||
const { StorageInterface } = require('./storage');
|
||
const storageInterface = new StorageInterface(req.user);
|
||
storage = await storageInterface.connect();
|
||
|
||
// storage.put() 内部已经实现了临时文件+重命名逻辑
|
||
await storage.put(req.file.path, remoteFilePath);
|
||
console.log(`[上传] 文件上传成功: ${remoteFilePath}`);
|
||
|
||
// 删除本地临时文件
|
||
safeDeleteFile(req.file.path);
|
||
|
||
res.json({
|
||
success: true,
|
||
message: '文件上传成功',
|
||
filename: originalFilename,
|
||
path: remoteFilePath
|
||
});
|
||
} catch (error) {
|
||
console.error('文件上传失败:', error);
|
||
|
||
// 删除临时文件
|
||
if (fs.existsSync(req.file.path)) {
|
||
safeDeleteFile(req.file.path);
|
||
}
|
||
|
||
res.status(500).json({
|
||
success: false,
|
||
message: '文件上传失败: ' + error.message
|
||
});
|
||
} finally {
|
||
if (storage) await storage.end();
|
||
}
|
||
});
|
||
|
||
|
||
// 下载文件
|
||
app.get('/api/files/download', authMiddleware, async (req, res) => {
|
||
const filePath = req.query.path;
|
||
let storage;
|
||
|
||
if (!filePath) {
|
||
return res.status(400).json({
|
||
success: false,
|
||
message: '缺少文件路径参数'
|
||
});
|
||
}
|
||
|
||
try {
|
||
// 使用统一存储接口
|
||
const { StorageInterface } = require('./storage');
|
||
const storageInterface = new StorageInterface(req.user);
|
||
storage = await storageInterface.connect();
|
||
|
||
// 获取文件名
|
||
const fileName = filePath.split('/').pop();
|
||
|
||
// 先获取文件信息（获取文件大小）
|
||
const fileStats = await storage.stat(filePath);
|
||
const fileSize = fileStats.size;
|
||
console.log('[下载] 文件: ' + fileName + ', 大小: ' + fileSize + ' 字节');
|
||
|
||
// 设置响应头（包含文件大小，浏览器可显示下载进度）
|
||
res.setHeader('Content-Type', 'application/octet-stream');
|
||
res.setHeader('Content-Length', fileSize);
|
||
res.setHeader('Content-Disposition', 'attachment; filename="' + encodeURIComponent(fileName) + '"; filename*=UTF-8\'\'' + encodeURIComponent(fileName));
|
||
|
||
// 创建文件流并传输（流式下载，服务器不保存临时文件）
|
||
const stream = storage.createReadStream(filePath);
|
||
|
||
stream.on('error', (error) => {
|
||
console.error('文件流错误:', error);
|
||
if (!res.headersSent) {
|
||
res.status(500).json({
|
||
success: false,
|
||
message: '文件下载失败: ' + error.message
|
||
});
|
||
}
|
||
// 发生错误时关闭存储连接
|
||
if (storage) {
|
||
storage.end().catch(err => console.error('关闭存储连接失败:', err));
|
||
}
|
||
});
|
||
|
||
// 在传输完成后关闭存储连接
|
||
stream.on('close', () => {
|
||
console.log('[下载] 文件传输完成，关闭存储连接');
|
||
if (storage) {
|
||
storage.end().catch(err => console.error('关闭存储连接失败:', err));
|
||
}
|
||
});
|
||
|
||
stream.pipe(res);
|
||
|
||
|
||
|
||
|
||
} catch (error) {
|
||
console.error('下载文件失败:', error);
|
||
|
||
// 如果stream还未创建或发生错误，关闭storage连接
|
||
if (storage) {
|
||
storage.end().catch(err => console.error('关闭存储连接失败:', err));
|
||
}
|
||
if (!res.headersSent) {
|
||
res.status(500).json({
|
||
success: false,
|
||
message: '下载文件失败: ' + error.message
|
||
});
|
||
}
|
||
}
|
||
});
|
||
|
||
// 生成上传工具（生成新密钥并创建配置文件）
|
||
app.post('/api/upload/generate-tool', authMiddleware, async (req, res) => {
|
||
try {
|
||
// 生成新的API密钥（32位随机字符串）
|
||
const crypto = require('crypto');
|
||
const newApiKey = crypto.randomBytes(16).toString('hex');
|
||
|
||
// 更新用户的upload_api_key
|
||
UserDB.update(req.user.id, { upload_api_key: newApiKey });
|
||
|
||
// 创建配置文件内容
|
||
const config = {
|
||
username: req.user.username,
|
||
api_key: newApiKey,
|
||
api_base_url: getSecureBaseUrl(req)
|
||
};
|
||
|
||
res.json({
|
||
success: true,
|
||
message: '上传工具已生成',
|
||
config: config
|
||
});
|
||
} catch (error) {
|
||
console.error('生成上传工具失败:', error);
|
||
res.status(500).json({
|
||
success: false,
|
||
message: '生成上传工具失败: ' + error.message
|
||
});
|
||
}
|
||
});
|
||
|
||
// 下载上传工具（zip包含exe+config.json+README.txt）
|
||
app.get('/api/upload/download-tool', authMiddleware, async (req, res) => {
|
||
let tempZipPath = null;
|
||
|
||
try {
|
||
console.log(`[上传工具] 用户 ${req.user.username} 请求下载上传工具`);
|
||
|
||
// 生成新的API密钥
|
||
const crypto = require('crypto');
|
||
const newApiKey = crypto.randomBytes(16).toString('hex');
|
||
|
||
// 更新用户的upload_api_key
|
||
UserDB.update(req.user.id, { upload_api_key: newApiKey });
|
||
|
||
// 创建配置文件内容
|
||
const config = {
|
||
username: req.user.username,
|
||
api_key: newApiKey,
|
||
api_base_url: getSecureBaseUrl(req)
|
||
};
|
||
console.log("[上传工具配置]", JSON.stringify(config, null, 2));
|
||
|
||
// 检查exe文件是否存在
|
||
const toolDir = path.join(__dirname, '..', 'upload-tool');
|
||
const exePath = path.join(toolDir, 'dist', '玩玩云上传工具.exe');
|
||
const readmePath = path.join(toolDir, 'README.txt');
|
||
|
||
if (!fs.existsSync(exePath)) {
|
||
console.error('[上传工具] exe文件不存在:', exePath);
|
||
return res.status(500).json({
|
||
success: false,
|
||
message: '上传工具尚未打包，请联系管理员运行 upload-tool/build.bat'
|
||
});
|
||
}
|
||
|
||
// 创建临时zip文件路径
|
||
const uploadsDir = path.join(__dirname, 'uploads');
|
||
if (!fs.existsSync(uploadsDir)) {
|
||
fs.mkdirSync(uploadsDir, { recursive: true });
|
||
}
|
||
tempZipPath = path.join(uploadsDir, `tool_${req.user.username}_${Date.now()}.zip`);
|
||
|
||
console.log('[上传工具] 开始创建zip包到临时文件:', tempZipPath);
|
||
|
||
// 创建文件写入流
|
||
const output = fs.createWriteStream(tempZipPath);
|
||
const archive = archiver('zip', {
|
||
store: true // 使用STORE模式，不压缩，速度最快
|
||
});
|
||
|
||
// 等待zip文件创建完成
|
||
await new Promise((resolve, reject) => {
|
||
output.on('close', () => {
|
||
console.log(`[上传工具] zip创建完成，大小: ${archive.pointer()} 字节`);
|
||
resolve();
|
||
});
|
||
|
||
archive.on('error', (err) => {
|
||
console.error('[上传工具] archiver错误:', err);
|
||
reject(err);
|
||
});
|
||
|
||
// 连接archive到文件流
|
||
archive.pipe(output);
|
||
|
||
// 添加exe文件
|
||
console.log('[上传工具] 添加exe文件...');
|
||
archive.file(exePath, { name: '玩玩云上传工具.exe' });
|
||
|
||
// 添加config.json
|
||
console.log('[上传工具] 添加config.json...');
|
||
archive.append(JSON.stringify(config, null, 2), { name: 'config.json' });
|
||
|
||
// 添加README.txt
|
||
if (fs.existsSync(readmePath)) {
|
||
console.log('[上传工具] 添加README.txt...');
|
||
archive.file(readmePath, { name: 'README.txt' });
|
||
}
|
||
|
||
// 完成打包
|
||
console.log('[上传工具] 执行finalize...');
|
||
archive.finalize();
|
||
});
|
||
|
||
// 获取文件大小
|
||
const stats = fs.statSync(tempZipPath);
|
||
const fileSize = stats.size;
|
||
console.log(`[上传工具] 准备发送文件，大小: ${fileSize} 字节`);
|
||
|
||
// 设置响应头（包含Content-Length）
|
||
const filename = `玩玩云上传工具_${req.user.username}.zip`;
|
||
res.setHeader('Content-Type', 'application/zip');
|
||
res.setHeader('Content-Length', fileSize);
|
||
res.setHeader('Content-Disposition', `attachment; filename="${encodeURIComponent(filename)}"; filename*=UTF-8''${encodeURIComponent(filename)}`);
|
||
|
||
// 创建文件读取流并发送
|
||
const fileStream = fs.createReadStream(tempZipPath);
|
||
|
||
fileStream.on('end', () => {
|
||
console.log(`[上传工具] 用户 ${req.user.username} 下载完成`);
|
||
// 删除临时文件
|
||
if (tempZipPath && fs.existsSync(tempZipPath)) {
|
||
fs.unlinkSync(tempZipPath);
|
||
console.log('[上传工具] 临时文件已删除');
|
||
}
|
||
});
|
||
|
||
fileStream.on('error', (err) => {
|
||
console.error('[上传工具] 文件流错误:', err);
|
||
// 删除临时文件
|
||
if (tempZipPath && fs.existsSync(tempZipPath)) {
|
||
fs.unlinkSync(tempZipPath);
|
||
}
|
||
});
|
||
|
||
fileStream.pipe(res);
|
||
|
||
} catch (error) {
|
||
console.error('[上传工具] 异常:', error);
|
||
|
||
// 删除临时文件
|
||
if (tempZipPath && fs.existsSync(tempZipPath)) {
|
||
fs.unlinkSync(tempZipPath);
|
||
console.log('[上传工具] 临时文件已删除（异常）');
|
||
}
|
||
|
||
if (!res.headersSent) {
|
||
res.status(500).json({
|
||
success: false,
|
||
message: '下载失败: ' + error.message
|
||
});
|
||
}
|
||
}
|
||
});
|
||
|
||
// 通过API密钥获取SFTP配置（供Python工具调用）
|
||
// 添加速率限制防止暴力枚举
|
||
app.post('/api/upload/get-config', async (req, res) => {
|
||
// 获取客户端IP用于速率限制
|
||
const clientIP = apiKeyLimiter.getClientKey(req);
|
||
const rateLimitKey = `api_key:${clientIP}`;
|
||
|
||
// 检查是否被封锁
|
||
if (apiKeyLimiter.isBlocked(rateLimitKey)) {
|
||
const result = apiKeyLimiter.recordFailure(rateLimitKey);
|
||
console.warn(`[安全] API密钥暴力枚举检测 - IP: ${clientIP}`);
|
||
return res.status(429).json({
|
||
success: false,
|
||
message: `请求过于频繁，请在 ${result.waitMinutes} 分钟后重试`,
|
||
blocked: true
|
||
});
|
||
}
|
||
|
||
try {
|
||
const { api_key } = req.body;
|
||
|
||
if (!api_key) {
|
||
return res.status(400).json({
|
||
success: false,
|
||
message: 'API密钥不能为空'
|
||
});
|
||
}
|
||
|
||
// 查找拥有此API密钥的用户
|
||
const user = db.prepare('SELECT * FROM users WHERE upload_api_key = ?').get(api_key);
|
||
|
||
if (!user) {
|
||
// 记录失败尝试
|
||
const result = apiKeyLimiter.recordFailure(rateLimitKey);
|
||
console.warn(`[安全] API密钥验证失败 - IP: ${clientIP}, 剩余尝试: ${result.remainingAttempts}`);
|
||
return res.status(401).json({
|
||
success: false,
|
||
message: 'API密钥无效或已过期'
|
||
});
|
||
}
|
||
|
||
// 验证成功，清除失败记录
|
||
apiKeyLimiter.recordSuccess(rateLimitKey);
|
||
|
||
if (user.is_banned) {
|
||
return res.status(403).json({
|
||
success: false,
|
||
message: '账号已被封禁'
|
||
});
|
||
}
|
||
|
||
if (!user.has_ftp_config) {
|
||
return res.status(400).json({
|
||
success: false,
|
||
message: '用户未配置SFTP服务器'
|
||
});
|
||
}
|
||
|
||
// 返回SFTP配置（注意：密码通过此API返回给上传工具使用）
|
||
// 上传工具需要密码才能连接SFTP，这是设计上的需要
|
||
// 安全措施：1. 速率限制防止暴力枚举 2. API密钥是32位随机字符串
|
||
res.json({
|
||
success: true,
|
||
sftp_config: {
|
||
host: user.ftp_host,
|
||
port: user.ftp_port,
|
||
username: user.ftp_user,
|
||
password: user.ftp_password
|
||
}
|
||
});
|
||
} catch (error) {
|
||
console.error('获取SFTP配置失败:', error);
|
||
res.status(500).json({
|
||
success: false,
|
||
message: '获取SFTP配置失败: ' + error.message
|
||
});
|
||
}
|
||
});
|
||
|
||
// 创建分享链接
|
||
app.post('/api/share/create', authMiddleware, (req, res) => {
|
||
try {
|
||
const { share_type, file_path, file_name, password, expiry_days } = req.body;
|
||
console.log("[DEBUG] 创建分享请求:", { share_type, file_path, file_name, password: password ? "***" : null, expiry_days });
|
||
|
||
if (share_type === 'file' && !file_path) {
|
||
return res.status(400).json({
|
||
success: false,
|
||
message: '文件路径不能为空'
|
||
});
|
||
}
|
||
|
||
const result = ShareDB.create(req.user.id, {
|
||
share_type: share_type || 'file',
|
||
file_path: file_path || '',
|
||
file_name: file_name || '',
|
||
password: password || null,
|
||
expiry_days: expiry_days || null
|
||
});
|
||
|
||
// 更新分享的存储类型
|
||
const { db } = require('./database');
|
||
db.prepare('UPDATE shares SET storage_type = ? WHERE id = ?')
|
||
.run(req.user.current_storage_type || 'sftp', result.id);
|
||
|
||
const shareUrl = `${getSecureBaseUrl(req)}/s/${result.share_code}`;
|
||
|
||
res.json({
|
||
success: true,
|
||
message: '分享链接创建成功',
|
||
share_code: result.share_code,
|
||
share_url: shareUrl,
|
||
share_type: result.share_type,
|
||
expires_at: result.expires_at,
|
||
});
|
||
} catch (error) {
|
||
console.error('创建分享链接失败:', error);
|
||
res.status(500).json({
|
||
success: false,
|
||
message: '创建分享链接失败: ' + error.message
|
||
});
|
||
}
|
||
});
|
||
|
||
// 获取我的分享列表
|
||
app.get('/api/share/my', authMiddleware, (req, res) => {
|
||
try {
|
||
const shares = ShareDB.getUserShares(req.user.id);
|
||
|
||
res.json({
|
||
success: true,
|
||
shares: shares.map(share => ({
|
||
...share,
|
||
share_url: `${getSecureBaseUrl(req)}/s/${share.share_code}`
|
||
}))
|
||
});
|
||
} catch (error) {
|
||
console.error('获取分享列表失败:', error);
|
||
res.status(500).json({
|
||
success: false,
|
||
message: '获取分享列表失败: ' + error.message
|
||
});
|
||
}
|
||
});
|
||
|
||
// 删除分享（增强IDOR防护）
|
||
app.delete('/api/share/:id', authMiddleware, (req, res) => {
|
||
try {
|
||
const shareId = parseInt(req.params.id, 10);
|
||
|
||
// 验证ID格式
|
||
if (isNaN(shareId) || shareId <= 0) {
|
||
return res.status(400).json({
|
||
success: false,
|
||
message: '无效的分享ID'
|
||
});
|
||
}
|
||
|
||
// 先获取分享信息以获得share_code
|
||
const share = ShareDB.findById(shareId);
|
||
|
||
if (!share) {
|
||
return res.status(404).json({
|
||
success: false,
|
||
message: '分享不存在'
|
||
});
|
||
}
|
||
|
||
// 严格的权限检查
|
||
if (share.user_id !== req.user.id) {
|
||
// 记录可疑的越权尝试
|
||
console.warn(`[安全] IDOR尝试 - 用户 ${req.user.id}(${req.user.username}) 试图删除用户 ${share.user_id} 的分享 ${shareId}`);
|
||
return res.status(403).json({
|
||
success: false,
|
||
message: '无权限删除此分享'
|
||
});
|
||
}
|
||
|
||
// 删除缓存
|
||
if (shareFileCache.has(share.share_code)) {
|
||
shareFileCache.delete(share.share_code);
|
||
console.log(`[缓存清除] 分享码: ${share.share_code}`);
|
||
}
|
||
|
||
// 删除数据库记录
|
||
ShareDB.delete(shareId, req.user.id);
|
||
|
||
res.json({
|
||
success: true,
|
||
message: '分享已删除'
|
||
});
|
||
} catch (error) {
|
||
console.error('删除分享失败:', error);
|
||
res.status(500).json({
|
||
success: false,
|
||
message: '删除分享失败: ' + error.message
|
||
});
|
||
}
|
||
});
|
||
|
||
// ===== 分享链接访问（公开） =====
|
||
|
||
// 获取公共主题设置（用于分享页面，无需认证）
|
||
app.get('/api/public/theme', (req, res) => {
|
||
try {
|
||
const globalTheme = SettingsDB.get('global_theme') || 'dark';
|
||
res.json({
|
||
success: true,
|
||
theme: globalTheme
|
||
});
|
||
} catch (error) {
|
||
res.json({ success: true, theme: 'dark' }); // 出错默认暗色
|
||
}
|
||
});
|
||
|
||
// 获取分享页面主题（基于分享者偏好或全局设置）
|
||
app.get('/api/share/:code/theme', (req, res) => {
|
||
try {
|
||
const { code } = req.params;
|
||
const share = ShareDB.findByCode(code);
|
||
const globalTheme = SettingsDB.get('global_theme') || 'dark';
|
||
|
||
if (!share) {
|
||
return res.json({
|
||
success: true,
|
||
theme: globalTheme
|
||
});
|
||
}
|
||
|
||
// 优先使用分享者的主题偏好，否则使用全局主题
|
||
const effectiveTheme = share.theme_preference || globalTheme;
|
||
res.json({
|
||
success: true,
|
||
theme: effectiveTheme
|
||
});
|
||
} catch (error) {
|
||
res.json({ success: true, theme: 'dark' });
|
||
}
|
||
});
|
||
|
||
// 访问分享链接 - 验证密码（支持本地存储和SFTP）
|
||
app.post('/api/share/:code/verify', shareRateLimitMiddleware, async (req, res) => {
|
||
const { code } = req.params;
|
||
const { password } = req.body;
|
||
let storage;
|
||
|
||
try {
|
||
|
||
// ===== 调试日志: 分享验证开始 =====
|
||
console.log('[分享验证]', {
|
||
timestamp: new Date().toISOString(),
|
||
shareCode: code,
|
||
hasPassword: !!password,
|
||
requestIP: req.ip
|
||
});
|
||
|
||
const share = ShareDB.findByCode(code);
|
||
|
||
|
||
// 调试日志: findByCode 结果
|
||
console.log('[分享验证] findByCode结果:', {
|
||
found: !!share,
|
||
expires_at: share?.expires_at || null,
|
||
current_time: new Date().toISOString(),
|
||
is_expired: share?.expires_at ? new Date(share.expires_at) <= new Date() : false
|
||
});
|
||
|
||
if (!share) {
|
||
return res.status(404).json({
|
||
success: false,
|
||
message: '分享不存在'
|
||
});
|
||
}
|
||
|
||
// 如果设置了密码，验证密码
|
||
if (share.share_password) {
|
||
if (!password) {
|
||
return res.status(401).json({
|
||
success: false,
|
||
message: '需要密码',
|
||
needPassword: true
|
||
});
|
||
}
|
||
|
||
if (!ShareDB.verifyPassword(password, share.share_password)) {
|
||
// 记录密码错误
|
||
if (req.shareRateLimitKey) {
|
||
shareLimiter.recordFailure(req.shareRateLimitKey);
|
||
}
|
||
return res.status(401).json({
|
||
success: false,
|
||
message: '密码错误'
|
||
});
|
||
}
|
||
}
|
||
|
||
// 清除失败记录（密码验证成功）
|
||
if (req.shareRateLimitKey) {
|
||
shareLimiter.recordSuccess(req.shareRateLimitKey);
|
||
}
|
||
|
||
// 增加查看次数
|
||
ShareDB.incrementViewCount(code);
|
||
|
||
const sanitizedShareHttpBase = sanitizeHttpBaseUrl(share.http_download_base_url);
|
||
|
||
// 构建返回数据
|
||
const responseData = {
|
||
success: true,
|
||
share: {
|
||
share_path: share.share_path,
|
||
share_type: share.share_type,
|
||
username: share.username,
|
||
created_at: share.created_at,
|
||
expires_at: share.expires_at // 添加到期时间
|
||
}
|
||
};
|
||
|
||
// 如果是单文件分享，查询存储获取文件信息（带缓存）
|
||
if (share.share_type === 'file') {
|
||
const filePath = share.share_path;
|
||
const lastSlashIndex = filePath.lastIndexOf('/');
|
||
const dirPath = lastSlashIndex > 0 ? filePath.substring(0, lastSlashIndex) : '/';
|
||
const fileName = lastSlashIndex >= 0 ? filePath.substring(lastSlashIndex + 1) : filePath;
|
||
|
||
// 检查缓存
|
||
if (shareFileCache.has(code)) {
|
||
console.log(`[缓存命中] 分享码: ${code}`);
|
||
responseData.file = shareFileCache.get(code);
|
||
} else {
|
||
// 缓存未命中，查询存储
|
||
try {
|
||
// 获取分享者的用户信息
|
||
const shareOwner = UserDB.findById(share.user_id);
|
||
if (!shareOwner) {
|
||
throw new Error('分享者不存在');
|
||
}
|
||
const storageType = shareOwner.current_storage_type || 'sftp';
|
||
console.log(`[缓存未命中] 分享码: ${code}，存储类型: ${storageType}`);
|
||
|
||
// 使用统一存储接口
|
||
const { StorageInterface } = require('./storage');
|
||
const userForStorage = {
|
||
...shareOwner,
|
||
current_storage_type: storageType
|
||
};
|
||
|
||
const storageInterface = new StorageInterface(userForStorage);
|
||
storage = await storageInterface.connect();
|
||
|
||
const list = await storage.list(dirPath);
|
||
const fileInfo = list.find(item => item.name === fileName);
|
||
|
||
// 检查文件是否存在
|
||
if (!fileInfo) {
|
||
shareFileCache.delete(code);
|
||
throw new Error("分享的文件已被删除或不存在");
|
||
}
|
||
|
||
if (fileInfo) {
|
||
const normalizedFilePath = filePath.startsWith('/') ? filePath : `/${filePath}`;
|
||
// SFTP存储才提供HTTP下载URL，本地存储使用API下载
|
||
const httpDownloadUrl = (storageType === 'sftp')
|
||
? buildHttpDownloadUrl(sanitizedShareHttpBase, normalizedFilePath)
|
||
: null;
|
||
|
||
const fileData = {
|
||
name: fileName,
|
||
type: 'file',
|
||
isDirectory: false,
|
||
httpDownloadUrl: httpDownloadUrl,
|
||
size: fileInfo.size,
|
||
sizeFormatted: formatFileSize(fileInfo.size),
|
||
modifiedAt: new Date(fileInfo.modifyTime)
|
||
};
|
||
|
||
// 存入缓存
|
||
shareFileCache.set(code, fileData);
|
||
console.log(`[缓存存储] 分享码: ${code}，文件: ${fileName}`);
|
||
|
||
responseData.file = fileData;
|
||
}
|
||
} catch (storageError) {
|
||
console.error('获取文件信息失败:', storageError);
|
||
|
||
// 如果是文件不存在的错误，重新抛出
|
||
if (storageError.message && storageError.message.includes("分享的文件已被删除或不存在")) {
|
||
throw storageError;
|
||
}
|
||
// 存储失败时仍返回基本信息，只是没有大小
|
||
const normalizedFilePath = filePath.startsWith('/') ? filePath : `/${filePath}`;
|
||
const storageType = share.storage_type || 'sftp';
|
||
const httpDownloadUrl = (storageType === 'sftp')
|
||
? buildHttpDownloadUrl(sanitizedShareHttpBase, normalizedFilePath)
|
||
: null;
|
||
|
||
responseData.file = {
|
||
name: fileName,
|
||
type: 'file',
|
||
isDirectory: false,
|
||
httpDownloadUrl: httpDownloadUrl,
|
||
size: 0,
|
||
sizeFormatted: '-'
|
||
};
|
||
}
|
||
}
|
||
}
|
||
|
||
res.json(responseData);
|
||
} catch (error) {
|
||
console.error('验证分享失败:', error);
|
||
res.status(500).json({
|
||
success: false,
|
||
message: '验证失败: ' + error.message
|
||
});
|
||
} finally {
|
||
if (storage) await storage.end();
|
||
}
|
||
});
|
||
|
||
// 获取分享的文件列表（支持本地存储和SFTP）
|
||
app.post('/api/share/:code/list', shareRateLimitMiddleware, async (req, res) => {
|
||
const { code } = req.params;
|
||
const { password, path: subPath } = req.body;
|
||
|
||
let storage;
|
||
|
||
try {
|
||
|
||
// ===== 调试日志: 获取分享文件列表 =====
|
||
console.log('[获取文件列表]', {
|
||
timestamp: new Date().toISOString(),
|
||
shareCode: code,
|
||
subPath: subPath,
|
||
hasPassword: !!password,
|
||
requestIP: req.ip
|
||
});
|
||
|
||
const share = ShareDB.findByCode(code);
|
||
|
||
|
||
// 调试日志: findByCode 结果
|
||
console.log('[获取文件列表] findByCode结果:', {
|
||
found: !!share,
|
||
expires_at: share?.expires_at || null,
|
||
current_time: new Date().toISOString(),
|
||
is_expired: share?.expires_at ? new Date(share.expires_at) <= new Date() : false
|
||
});
|
||
|
||
if (!share) {
|
||
return res.status(404).json({
|
||
success: false,
|
||
message: '分享不存在'
|
||
});
|
||
}
|
||
|
||
// 验证密码
|
||
if (share.share_password && !ShareDB.verifyPassword(password, share.share_password)) {
|
||
// 记录密码错误
|
||
if (req.shareRateLimitKey) {
|
||
shareLimiter.recordFailure(req.shareRateLimitKey);
|
||
}
|
||
return res.status(401).json({
|
||
success: false,
|
||
message: '密码错误'
|
||
});
|
||
}
|
||
|
||
// 清除失败记录（密码验证成功或无密码）
|
||
if (req.shareRateLimitKey && share.share_password) {
|
||
shareLimiter.recordSuccess(req.shareRateLimitKey);
|
||
}
|
||
|
||
// 获取分享者的用户信息
|
||
const shareOwner = UserDB.findById(share.user_id);
|
||
if (!shareOwner) {
|
||
return res.status(404).json({
|
||
success: false,
|
||
message: '分享者不存在'
|
||
});
|
||
}
|
||
|
||
// 构造安全的请求路径，防止越权遍历
|
||
const baseSharePath = (share.share_path || '/').replace(/\\/g, '/');
|
||
const requestedPath = subPath
|
||
? path.posix.normalize(`${baseSharePath}/${subPath}`)
|
||
: baseSharePath;
|
||
|
||
// 校验请求路径是否在分享范围内
|
||
if (!isPathWithinShare(requestedPath, share)) {
|
||
return res.status(403).json({
|
||
success: false,
|
||
message: '无权访问该路径'
|
||
});
|
||
}
|
||
|
||
// 使用统一存储接口，根据分享的storage_type选择存储后端
|
||
const { StorageInterface } = require('./storage');
|
||
const storageType = share.storage_type || 'sftp';
|
||
console.log(`[分享列表] 存储类型: ${storageType}, 分享路径: ${share.share_path}`);
|
||
|
||
// 临时构造用户对象以使用存储接口
|
||
const userForStorage = {
|
||
...shareOwner,
|
||
current_storage_type: storageType
|
||
};
|
||
|
||
const storageInterface = new StorageInterface(userForStorage);
|
||
storage = await storageInterface.connect();
|
||
|
||
const sanitizedShareHttpBase = sanitizeHttpBaseUrl(share.http_download_base_url);
|
||
let formattedList = [];
|
||
|
||
// 如果是单文件分享
|
||
if (share.share_type === 'file') {
|
||
// share_path 就是文件路径
|
||
const filePath = share.share_path;
|
||
|
||
// 提取父目录和文件名
|
||
const lastSlashIndex = filePath.lastIndexOf('/');
|
||
const dirPath = lastSlashIndex > 0 ? filePath.substring(0, lastSlashIndex) : '/';
|
||
const fileName = lastSlashIndex >= 0 ? filePath.substring(lastSlashIndex + 1) : filePath;
|
||
|
||
// 列出父目录
|
||
const list = await storage.list(dirPath);
|
||
|
||
// 只返回这个文件
|
||
const fileInfo = list.find(item => item.name === fileName);
|
||
|
||
if (fileInfo) {
|
||
// 确保文件路径以斜杠开头
|
||
const normalizedFilePath = filePath.startsWith('/') ? filePath : `/${filePath}`;
|
||
|
||
// SFTP存储才提供HTTP下载URL，本地存储使用API下载
|
||
const httpDownloadUrl = (storageType === 'sftp')
|
||
? buildHttpDownloadUrl(sanitizedShareHttpBase, normalizedFilePath)
|
||
: null;
|
||
|
||
formattedList = [{
|
||
name: fileInfo.name,
|
||
type: 'file',
|
||
size: fileInfo.size,
|
||
sizeFormatted: formatFileSize(fileInfo.size),
|
||
modifiedAt: new Date(fileInfo.modifyTime),
|
||
isDirectory: false,
|
||
httpDownloadUrl: httpDownloadUrl
|
||
}];
|
||
}
|
||
}
|
||
// 如果是目录分享（分享所有文件）
|
||
else {
|
||
const list = await storage.list(requestedPath);
|
||
|
||
formattedList = list.map(item => {
|
||
// 构建完整的文件路径用于下载
|
||
let httpDownloadUrl = null;
|
||
if (storageType === 'sftp' && sanitizedShareHttpBase && item.type !== 'd') {
|
||
const normalizedPath = requestedPath.startsWith('/') ? requestedPath : `/${requestedPath}`;
|
||
const filePath = normalizedPath === '/' ? `/${item.name}` : `${normalizedPath}/${item.name}`;
|
||
httpDownloadUrl = buildHttpDownloadUrl(sanitizedShareHttpBase, filePath);
|
||
}
|
||
|
||
return {
|
||
name: item.name,
|
||
type: item.type === 'd' ? 'directory' : 'file',
|
||
size: item.size,
|
||
sizeFormatted: formatFileSize(item.size),
|
||
modifiedAt: new Date(item.modifyTime),
|
||
isDirectory: item.type === 'd',
|
||
httpDownloadUrl: httpDownloadUrl
|
||
};
|
||
});
|
||
|
||
formattedList.sort((a, b) => {
|
||
if (a.isDirectory && !b.isDirectory) return -1;
|
||
if (!a.isDirectory && b.isDirectory) return 1;
|
||
return a.name.localeCompare(b.name);
|
||
});
|
||
}
|
||
|
||
res.json({
|
||
success: true,
|
||
path: share.share_path,
|
||
items: formattedList
|
||
});
|
||
} catch (error) {
|
||
console.error('获取分享文件列表失败:', error);
|
||
res.status(500).json({
|
||
success: false,
|
||
message: '获取文件列表失败: ' + error.message
|
||
});
|
||
} finally {
|
||
if (storage) await storage.end();
|
||
}
|
||
});
|
||
|
||
// 记录下载次数
|
||
app.post('/api/share/:code/download', (req, res) => {
|
||
const { code } = req.params;
|
||
|
||
try {
|
||
const share = ShareDB.findByCode(code);
|
||
|
||
if (!share) {
|
||
return res.status(404).json({
|
||
success: false,
|
||
message: '分享不存在'
|
||
});
|
||
}
|
||
|
||
// 增加下载次数
|
||
ShareDB.incrementDownloadCount(code);
|
||
|
||
res.json({
|
||
success: true,
|
||
message: '下载统计已记录'
|
||
});
|
||
} catch (error) {
|
||
console.error('记录下载失败:', error);
|
||
res.status(500).json({
|
||
success: false,
|
||
message: '记录下载失败: ' + error.message
|
||
});
|
||
}
|
||
});
|
||
|
||
// 分享文件下载（支持本地存储和SFTP，公开API，需要分享码和密码验证）
|
||
app.get('/api/share/:code/download-file', shareRateLimitMiddleware, async (req, res) => {
|
||
const { code } = req.params;
|
||
const { path: filePath, password } = req.query;
|
||
let storage;
|
||
|
||
if (!filePath) {
|
||
return res.status(400).json({
|
||
success: false,
|
||
message: '缺少文件路径参数'
|
||
});
|
||
}
|
||
|
||
try {
|
||
const share = ShareDB.findByCode(code);
|
||
|
||
if (!share) {
|
||
return res.status(404).json({
|
||
success: false,
|
||
message: '分享不存在'
|
||
});
|
||
}
|
||
|
||
// 验证密码（如果需要）
|
||
if (share.share_password) {
|
||
if (!password || !ShareDB.verifyPassword(password, share.share_password)) {
|
||
// 只在密码错误时记录失败
|
||
if (req.shareRateLimitKey) {
|
||
shareLimiter.recordFailure(req.shareRateLimitKey);
|
||
}
|
||
return res.status(401).json({
|
||
success: false,
|
||
message: '密码错误或未提供密码'
|
||
});
|
||
}
|
||
|
||
// 密码验证成功，清除失败记录
|
||
if (req.shareRateLimitKey) {
|
||
shareLimiter.recordSuccess(req.shareRateLimitKey);
|
||
}
|
||
}
|
||
|
||
// ✅ 安全验证：检查请求路径是否在分享范围内（防止越权访问）
|
||
if (!isPathWithinShare(filePath, share)) {
|
||
console.warn(`[安全] 检测到越权访问尝试 - 分享码: ${code}, 请求路径: ${filePath}, 分享路径: ${share.share_path}`);
|
||
return res.status(403).json({
|
||
success: false,
|
||
message: '无权访问该文件'
|
||
});
|
||
}
|
||
|
||
// 获取分享者的用户信息
|
||
const shareOwner = UserDB.findById(share.user_id);
|
||
if (!shareOwner) {
|
||
return res.status(404).json({
|
||
success: false,
|
||
message: '分享者不存在'
|
||
});
|
||
}
|
||
|
||
// 使用统一存储接口，根据分享的storage_type选择存储后端
|
||
const { StorageInterface } = require('./storage');
|
||
const storageType = shareOwner.current_storage_type || 'sftp';
|
||
console.log(`[分享下载] 存储类型: ${storageType} (分享者当前), 文件路径: ${filePath}`);
|
||
|
||
// 临时构造用户对象以使用存储接口
|
||
const userForStorage = {
|
||
...shareOwner,
|
||
current_storage_type: storageType
|
||
};
|
||
|
||
const storageInterface = new StorageInterface(userForStorage);
|
||
storage = await storageInterface.connect();
|
||
|
||
// 获取文件名
|
||
const fileName = filePath.split('/').pop();
|
||
|
||
// 获取文件信息（获取文件大小）
|
||
const fileStats = await storage.stat(filePath);
|
||
const fileSize = fileStats.size;
|
||
console.log(`[分享下载] 文件: ${fileName}, 大小: ${fileSize} 字节`);
|
||
|
||
// 增加下载次数
|
||
ShareDB.incrementDownloadCount(code);
|
||
|
||
// 设置响应头（包含文件大小，浏览器可显示下载进度）
|
||
res.setHeader('Content-Type', 'application/octet-stream');
|
||
res.setHeader('Content-Length', fileSize);
|
||
res.setHeader('Content-Disposition', `attachment; filename="${encodeURIComponent(fileName)}"; filename*=UTF-8''${encodeURIComponent(fileName)}`);
|
||
|
||
// 创建文件流并传输（流式下载，服务器不保存临时文件）
|
||
const stream = storage.createReadStream(filePath);
|
||
|
||
stream.on('error', (error) => {
|
||
console.error('文件流错误:', error);
|
||
if (!res.headersSent) {
|
||
res.status(500).json({
|
||
success: false,
|
||
message: '文件下载失败: ' + error.message
|
||
});
|
||
}
|
||
// 发生错误时关闭存储连接
|
||
if (storage) {
|
||
storage.end().catch(err => console.error('关闭存储连接失败:', err));
|
||
}
|
||
});
|
||
|
||
// 在传输完成后关闭存储连接
|
||
stream.on('close', () => {
|
||
console.log('[分享下载] 文件传输完成，关闭存储连接');
|
||
if (storage) {
|
||
storage.end().catch(err => console.error('关闭存储连接失败:', err));
|
||
}
|
||
});
|
||
|
||
stream.pipe(res);
|
||
|
||
} catch (error) {
|
||
console.error('分享下载文件失败:', error);
|
||
if (!res.headersSent) {
|
||
res.status(500).json({
|
||
success: false,
|
||
message: '下载文件失败: ' + error.message
|
||
});
|
||
}
|
||
// 如果发生错误，关闭存储连接
|
||
if (storage) {
|
||
storage.end().catch(err => console.error('关闭存储连接失败:', err));
|
||
}
|
||
}
|
||
});
|
||
|
||
// ===== 管理员API =====
|
||
|
||
// 获取系统设置
|
||
app.get('/api/admin/settings', authMiddleware, adminMiddleware, (req, res) => {
|
||
try {
|
||
const maxUploadSize = parseInt(SettingsDB.get('max_upload_size') || '10737418240');
|
||
const smtpHost = SettingsDB.get('smtp_host');
|
||
const smtpPort = SettingsDB.get('smtp_port');
|
||
const smtpSecure = SettingsDB.get('smtp_secure') === 'true';
|
||
const smtpUser = SettingsDB.get('smtp_user');
|
||
const smtpFrom = SettingsDB.get('smtp_from') || smtpUser;
|
||
const smtpHasPassword = !!SettingsDB.get('smtp_password');
|
||
const globalTheme = SettingsDB.get('global_theme') || 'dark';
|
||
|
||
res.json({
|
||
success: true,
|
||
settings: {
|
||
max_upload_size: maxUploadSize,
|
||
global_theme: globalTheme,
|
||
smtp: {
|
||
host: smtpHost || '',
|
||
port: smtpPort ? parseInt(smtpPort, 10) : 465,
|
||
secure: smtpSecure,
|
||
user: smtpUser || '',
|
||
from: smtpFrom || '',
|
||
has_password: smtpHasPassword
|
||
}
|
||
}
|
||
});
|
||
} catch (error) {
|
||
console.error('获取系统设置失败:', error);
|
||
res.status(500).json({
|
||
success: false,
|
||
message: '获取系统设置失败: ' + error.message
|
||
});
|
||
}
|
||
});
|
||
|
||
// 更新系统设置
|
||
app.post('/api/admin/settings', authMiddleware, adminMiddleware, (req, res) => {
|
||
try {
|
||
const { max_upload_size, smtp, global_theme } = req.body;
|
||
|
||
if (max_upload_size !== undefined) {
|
||
const size = parseInt(max_upload_size);
|
||
if (isNaN(size) || size < 0) {
|
||
return res.status(400).json({
|
||
success: false,
|
||
message: '无效的文件大小'
|
||
});
|
||
}
|
||
SettingsDB.set('max_upload_size', size.toString());
|
||
}
|
||
|
||
// 更新全局主题
|
||
if (global_theme !== undefined) {
|
||
const validThemes = ['dark', 'light'];
|
||
if (!validThemes.includes(global_theme)) {
|
||
return res.status(400).json({
|
||
success: false,
|
||
message: '无效的主题设置'
|
||
});
|
||
}
|
||
SettingsDB.set('global_theme', global_theme);
|
||
}
|
||
|
||
if (smtp) {
|
||
if (!smtp.host || !smtp.port || !smtp.user) {
|
||
return res.status(400).json({ success: false, message: 'SMTP配置不完整' });
|
||
}
|
||
SettingsDB.set('smtp_host', smtp.host);
|
||
SettingsDB.set('smtp_port', smtp.port);
|
||
SettingsDB.set('smtp_secure', smtp.secure ? 'true' : 'false');
|
||
SettingsDB.set('smtp_user', smtp.user);
|
||
SettingsDB.set('smtp_from', smtp.from || smtp.user);
|
||
if (smtp.password) {
|
||
SettingsDB.set('smtp_password', smtp.password);
|
||
}
|
||
}
|
||
|
||
res.json({
|
||
success: true,
|
||
message: '系统设置已更新'
|
||
});
|
||
} catch (error) {
|
||
console.error('更新系统设置失败:', error);
|
||
res.status(500).json({
|
||
success: false,
|
||
message: '更新系统设置失败: ' + error.message
|
||
});
|
||
}
|
||
});
|
||
|
||
// 测试SMTP
|
||
app.post('/api/admin/settings/test-smtp', authMiddleware, adminMiddleware, async (req, res) => {
|
||
const { to } = req.body;
|
||
try {
|
||
const smtpConfig = getSmtpConfig();
|
||
if (!smtpConfig) {
|
||
return res.status(400).json({ success: false, message: 'SMTP未配置' });
|
||
}
|
||
const target = to || req.user.email || smtpConfig.user;
|
||
await sendMail(
|
||
target,
|
||
'SMTP测试 - 玩玩云',
|
||
`<p>您好，这是一封测试邮件，说明SMTP配置可用。</p><p>时间：${new Date().toISOString()}</p>`
|
||
);
|
||
res.json({ success: true, message: `测试邮件已发送至 ${target}` });
|
||
} catch (error) {
|
||
console.error('测试SMTP失败:', error);
|
||
res.status(500).json({ success: false, message: '测试邮件发送失败: ' + (error.response?.message || error.message) });
|
||
}
|
||
});
|
||
|
||
// 系统健康检测API
|
||
app.get('/api/admin/health-check', authMiddleware, adminMiddleware, async (req, res) => {
|
||
try {
|
||
const checks = [];
|
||
let overallStatus = 'healthy'; // healthy, warning, critical
|
||
|
||
// 1. JWT密钥安全检查
|
||
const jwtSecure = isJwtSecretSecure();
|
||
checks.push({
|
||
name: 'JWT密钥',
|
||
category: 'security',
|
||
status: jwtSecure ? 'pass' : 'fail',
|
||
message: jwtSecure ? 'JWT密钥已正确配置（随机生成）' : 'JWT密钥使用默认值或长度不足，存在安全风险！',
|
||
suggestion: jwtSecure ? null : '请在.env中设置随机生成的JWT_SECRET，至少32字符'
|
||
});
|
||
if (!jwtSecure) overallStatus = 'critical';
|
||
|
||
// 2. CORS配置检查
|
||
const allowedOrigins = process.env.ALLOWED_ORIGINS;
|
||
const corsConfigured = allowedOrigins && allowedOrigins.trim().length > 0;
|
||
checks.push({
|
||
name: 'CORS跨域配置',
|
||
category: 'security',
|
||
status: corsConfigured ? 'pass' : 'warning',
|
||
message: corsConfigured
|
||
? `已配置允许的域名: ${allowedOrigins}`
|
||
: 'CORS未配置，允许所有来源（仅适合开发环境）',
|
||
suggestion: corsConfigured ? null : '生产环境建议配置ALLOWED_ORIGINS环境变量'
|
||
});
|
||
if (!corsConfigured && overallStatus === 'healthy') overallStatus = 'warning';
|
||
|
||
// 3. HTTPS/Cookie安全配置
|
||
const enforceHttps = process.env.ENFORCE_HTTPS === 'true';
|
||
const cookieSecure = process.env.COOKIE_SECURE === 'true';
|
||
const httpsConfigured = enforceHttps && cookieSecure;
|
||
checks.push({
|
||
name: 'HTTPS安全配置',
|
||
category: 'security',
|
||
status: httpsConfigured ? 'pass' : 'warning',
|
||
message: httpsConfigured
|
||
? 'HTTPS强制开启，Cookie安全标志已设置'
|
||
: `ENFORCE_HTTPS=${enforceHttps}, COOKIE_SECURE=${cookieSecure}`,
|
||
suggestion: httpsConfigured ? null : '生产环境建议开启ENFORCE_HTTPS和COOKIE_SECURE'
|
||
});
|
||
|
||
// 4. 管理员密码强度检查（检查是否为默认值）
|
||
const adminUsername = process.env.ADMIN_USERNAME;
|
||
const adminConfigured = adminUsername && adminUsername !== 'admin';
|
||
checks.push({
|
||
name: '管理员账号配置',
|
||
category: 'security',
|
||
status: adminConfigured ? 'pass' : 'warning',
|
||
message: adminConfigured
|
||
? '管理员用户名已自定义'
|
||
: '管理员使用默认用户名"admin"',
|
||
suggestion: adminConfigured ? null : '建议使用自定义管理员用户名'
|
||
});
|
||
|
||
// 5. SMTP邮件配置检查
|
||
const smtpHost = SettingsDB.get('smtp_host') || process.env.SMTP_HOST;
|
||
const smtpUser = SettingsDB.get('smtp_user') || process.env.SMTP_USER;
|
||
const smtpPassword = SettingsDB.get('smtp_password') || process.env.SMTP_PASSWORD;
|
||
const smtpConfigured = smtpHost && smtpUser && smtpPassword;
|
||
checks.push({
|
||
name: 'SMTP邮件服务',
|
||
category: 'service',
|
||
status: smtpConfigured ? 'pass' : 'warning',
|
||
message: smtpConfigured
|
||
? `已配置: ${smtpHost}`
|
||
: '未配置SMTP，邮箱验证和密码重置功能不可用',
|
||
suggestion: smtpConfigured ? null : '配置SMTP以启用邮箱验证功能'
|
||
});
|
||
|
||
// 6. 数据库连接检查
|
||
let dbStatus = 'pass';
|
||
let dbMessage = '数据库连接正常';
|
||
try {
|
||
const testQuery = db.prepare('SELECT 1').get();
|
||
if (!testQuery) throw new Error('查询返回空');
|
||
} catch (dbError) {
|
||
dbStatus = 'fail';
|
||
dbMessage = '数据库连接异常: ' + dbError.message;
|
||
overallStatus = 'critical';
|
||
}
|
||
checks.push({
|
||
name: '数据库连接',
|
||
category: 'service',
|
||
status: dbStatus,
|
||
message: dbMessage,
|
||
suggestion: dbStatus === 'fail' ? '检查数据库文件权限和路径配置' : null
|
||
});
|
||
|
||
// 7. 存储目录检查
|
||
const storageRoot = process.env.STORAGE_ROOT || path.join(__dirname, 'storage');
|
||
let storageStatus = 'pass';
|
||
let storageMessage = `存储目录正常: ${storageRoot}`;
|
||
try {
|
||
if (!fs.existsSync(storageRoot)) {
|
||
fs.mkdirSync(storageRoot, { recursive: true });
|
||
storageMessage = `存储目录已创建: ${storageRoot}`;
|
||
}
|
||
// 检查写入权限
|
||
const testFile = path.join(storageRoot, '.health-check-test');
|
||
fs.writeFileSync(testFile, 'test');
|
||
fs.unlinkSync(testFile);
|
||
} catch (storageError) {
|
||
storageStatus = 'fail';
|
||
storageMessage = '存储目录不可写: ' + storageError.message;
|
||
overallStatus = 'critical';
|
||
}
|
||
checks.push({
|
||
name: '存储目录',
|
||
category: 'service',
|
||
status: storageStatus,
|
||
message: storageMessage,
|
||
suggestion: storageStatus === 'fail' ? '检查存储目录权限，确保Node进程有写入权限' : null
|
||
});
|
||
|
||
// 8. 限流器状态
|
||
const rateLimiterActive = typeof loginLimiter !== 'undefined' && loginLimiter !== null;
|
||
checks.push({
|
||
name: '登录防爆破',
|
||
category: 'security',
|
||
status: rateLimiterActive ? 'pass' : 'warning',
|
||
message: rateLimiterActive
|
||
? '限流器已启用（5次/15分钟，封锁30分钟）'
|
||
: '限流器未正常初始化',
|
||
suggestion: null
|
||
});
|
||
|
||
// 9. 信任代理配置（安全检查）
|
||
const trustProxy = app.get('trust proxy');
|
||
let trustProxyStatus = 'pass';
|
||
let trustProxyMessage = '';
|
||
let trustProxySuggestion = null;
|
||
|
||
if (trustProxy === true) {
|
||
// trust proxy = true 是不安全的配置
|
||
trustProxyStatus = 'fail';
|
||
trustProxyMessage = 'trust proxy = true（信任所有代理），客户端可伪造 IP/协议！';
|
||
trustProxySuggestion = '建议设置 TRUST_PROXY=1（单层代理）或具体的代理 IP 段';
|
||
if (overallStatus !== 'critical') overallStatus = 'critical';
|
||
} else if (trustProxy === false || !trustProxy) {
|
||
trustProxyStatus = 'info';
|
||
trustProxyMessage = '未启用 trust proxy（直接暴露模式）';
|
||
trustProxySuggestion = '如在 Nginx/CDN 后部署，需配置 TRUST_PROXY=1';
|
||
} else if (typeof trustProxy === 'number') {
|
||
trustProxyStatus = 'pass';
|
||
trustProxyMessage = `trust proxy = ${trustProxy}（信任前 ${trustProxy} 跳代理）`;
|
||
} else {
|
||
trustProxyStatus = 'pass';
|
||
trustProxyMessage = `trust proxy = "${trustProxy}"（信任指定代理）`;
|
||
}
|
||
|
||
checks.push({
|
||
name: '信任代理配置',
|
||
category: 'security',
|
||
status: trustProxyStatus,
|
||
message: trustProxyMessage,
|
||
suggestion: trustProxySuggestion
|
||
});
|
||
|
||
// 10. Node环境
|
||
const nodeEnv = process.env.NODE_ENV || 'development';
|
||
checks.push({
|
||
name: '运行环境',
|
||
category: 'config',
|
||
status: nodeEnv === 'production' ? 'pass' : 'info',
|
||
message: `当前环境: ${nodeEnv}`,
|
||
suggestion: nodeEnv !== 'production' ? '生产部署建议设置NODE_ENV=production' : null
|
||
});
|
||
|
||
// 统计
|
||
const summary = {
|
||
total: checks.length,
|
||
pass: checks.filter(c => c.status === 'pass').length,
|
||
warning: checks.filter(c => c.status === 'warning').length,
|
||
fail: checks.filter(c => c.status === 'fail').length,
|
||
info: checks.filter(c => c.status === 'info').length
|
||
};
|
||
|
||
res.json({
|
||
success: true,
|
||
overallStatus,
|
||
summary,
|
||
checks,
|
||
timestamp: new Date().toISOString(),
|
||
version: process.env.npm_package_version || '1.1.0'
|
||
});
|
||
} catch (error) {
|
||
console.error('健康检测失败:', error);
|
||
res.status(500).json({
|
||
success: false,
|
||
message: '健康检测失败: ' + error.message
|
||
});
|
||
}
|
||
});
|
||
|
||
// 获取服务器存储统计信息
|
||
app.get('/api/admin/storage-stats', authMiddleware, adminMiddleware, async (req, res) => {
|
||
try {
|
||
// 获取本地存储目录（与 storage.js 保持一致）
|
||
const localStorageDir = process.env.STORAGE_ROOT || path.join(__dirname, 'storage');
|
||
|
||
// 确保存储目录存在
|
||
if (!fs.existsSync(localStorageDir)) {
|
||
fs.mkdirSync(localStorageDir, { recursive: true });
|
||
}
|
||
|
||
// 获取磁盘信息（使用df命令）
|
||
let totalDisk = 0;
|
||
let usedDisk = 0;
|
||
let availableDisk = 0;
|
||
|
||
try {
|
||
// 获取本地存储目录所在分区的磁盘信息（避免使用shell）
|
||
const { stdout: dfOutput } = await execFileAsync('df', ['-B', '1', localStorageDir], { encoding: 'utf8' });
|
||
// 取最后一行数据
|
||
const lines = dfOutput.trim().split('\n');
|
||
const parts = lines[lines.length - 1].trim().split(/\s+/);
|
||
|
||
if (parts.length >= 4) {
|
||
totalDisk = parseInt(parts[1], 10) || 0; // 总大小
|
||
usedDisk = parseInt(parts[2], 10) || 0; // 已使用
|
||
availableDisk = parseInt(parts[3], 10) || 0; // 可用
|
||
}
|
||
} catch (dfError) {
|
||
console.error('获取磁盘信息失败:', dfError.message);
|
||
// 如果df命令失败，尝试使用Windows的wmic命令
|
||
try {
|
||
// 获取本地存储目录所在的驱动器号
|
||
const driveLetter = localStorageDir.charAt(0);
|
||
const normalizedDrive = driveLetter.toUpperCase();
|
||
if (!/^[A-Z]$/.test(normalizedDrive)) {
|
||
throw new Error('Invalid drive letter');
|
||
}
|
||
const { stdout: wmicOutput } = await execFileAsync(
|
||
'wmic',
|
||
['logicaldisk', 'where', `DeviceID='${normalizedDrive}:'`, 'get', 'Size,FreeSpace', '/value'],
|
||
{ encoding: 'utf8' }
|
||
);
|
||
|
||
const freeMatch = wmicOutput.match(/FreeSpace=(\d+)/);
|
||
const sizeMatch = wmicOutput.match(/Size=(\d+)/);
|
||
|
||
if (sizeMatch && freeMatch) {
|
||
totalDisk = parseInt(sizeMatch[1]) || 0;
|
||
availableDisk = parseInt(freeMatch[1]) || 0;
|
||
usedDisk = totalDisk - availableDisk;
|
||
}
|
||
} catch (wmicError) {
|
||
console.error('获取Windows磁盘信息失败:', wmicError.message);
|
||
}
|
||
}
|
||
|
||
// 从数据库获取所有用户的本地存储配额和使用情况
|
||
const users = UserDB.getAll();
|
||
let totalUserQuotas = 0;
|
||
let totalUserUsed = 0;
|
||
|
||
users.forEach(user => {
|
||
// 只统计使用本地存储的用户（local_only 或 user_choice）
|
||
const storagePermission = user.storage_permission || 'sftp_only';
|
||
if (storagePermission === 'local_only' || storagePermission === 'user_choice') {
|
||
totalUserQuotas += user.local_storage_quota || 0;
|
||
totalUserUsed += user.local_storage_used || 0;
|
||
}
|
||
});
|
||
|
||
res.json({
|
||
success: true,
|
||
stats: {
|
||
totalDisk, // 磁盘总容量
|
||
usedDisk, // 磁盘已使用
|
||
availableDisk, // 磁盘可用空间
|
||
totalUserQuotas, // 用户配额总和
|
||
totalUserUsed, // 用户实际使用总和
|
||
totalUsers: users.length // 用户总数
|
||
}
|
||
});
|
||
|
||
// 获取所有用户
|
||
} catch (error) { console.error('获取存储统计失败:', error); res.status(500).json({ success: false, message: '获取存储统计失败: ' + error.message }); }});
|
||
app.get('/api/admin/users', authMiddleware, adminMiddleware, (req, res) => {
|
||
try {
|
||
const users = UserDB.getAll();
|
||
|
||
res.json({
|
||
success: true,
|
||
users: users.map(u => ({
|
||
id: u.id,
|
||
username: u.username,
|
||
email: u.email,
|
||
is_admin: u.is_admin,
|
||
is_active: u.is_active,
|
||
is_verified: u.is_verified,
|
||
is_banned: u.is_banned,
|
||
has_ftp_config: u.has_ftp_config,
|
||
created_at: u.created_at,
|
||
// 新增：存储相关字段
|
||
storage_permission: u.storage_permission || 'sftp_only',
|
||
current_storage_type: u.current_storage_type || 'sftp',
|
||
local_storage_quota: u.local_storage_quota || 1073741824,
|
||
local_storage_used: u.local_storage_used || 0
|
||
}))
|
||
});
|
||
} catch (error) {
|
||
console.error('获取用户列表失败:', error);
|
||
res.status(500).json({
|
||
success: false,
|
||
message: '获取用户列表失败: ' + error.message
|
||
});
|
||
}
|
||
});
|
||
|
||
// 获取系统日志
|
||
app.get('/api/admin/logs', authMiddleware, adminMiddleware, (req, res) => {
|
||
try {
|
||
const {
|
||
page = 1,
|
||
pageSize = 50,
|
||
level,
|
||
category,
|
||
userId,
|
||
startDate,
|
||
endDate,
|
||
keyword
|
||
} = req.query;
|
||
|
||
const result = SystemLogDB.query({
|
||
page: parseInt(page),
|
||
pageSize: Math.min(parseInt(pageSize) || 50, 200), // 限制最大每页200条
|
||
level: level || null,
|
||
category: category || null,
|
||
userId: userId ? parseInt(userId) : null,
|
||
startDate: startDate || null,
|
||
endDate: endDate || null,
|
||
keyword: keyword || null
|
||
});
|
||
|
||
res.json({
|
||
success: true,
|
||
...result
|
||
});
|
||
} catch (error) {
|
||
console.error('获取系统日志失败:', error);
|
||
res.status(500).json({
|
||
success: false,
|
||
message: '获取系统日志失败: ' + error.message
|
||
});
|
||
}
|
||
});
|
||
|
||
// 获取日志统计
|
||
app.get('/api/admin/logs/stats', authMiddleware, adminMiddleware, (req, res) => {
|
||
try {
|
||
const categoryStats = SystemLogDB.getStatsByCategory();
|
||
const dateStats = SystemLogDB.getStatsByDate(7);
|
||
|
||
res.json({
|
||
success: true,
|
||
stats: {
|
||
byCategory: categoryStats,
|
||
byDate: dateStats
|
||
}
|
||
});
|
||
} catch (error) {
|
||
console.error('获取日志统计失败:', error);
|
||
res.status(500).json({
|
||
success: false,
|
||
message: '获取日志统计失败: ' + error.message
|
||
});
|
||
}
|
||
});
|
||
|
||
// 清理旧日志
|
||
app.post('/api/admin/logs/cleanup', authMiddleware, adminMiddleware, (req, res) => {
|
||
try {
|
||
const { keepDays = 90 } = req.body;
|
||
const days = Math.max(7, Math.min(parseInt(keepDays) || 90, 365)); // 最少保留7天，最多365天
|
||
|
||
const deletedCount = SystemLogDB.cleanup(days);
|
||
|
||
// 记录清理操作
|
||
logSystem(req, 'logs_cleanup', `管理员清理了 ${deletedCount} 条日志（保留 ${days} 天）`, { deletedCount, keepDays: days });
|
||
|
||
res.json({
|
||
success: true,
|
||
message: `已清理 ${deletedCount} 条日志`,
|
||
deletedCount
|
||
});
|
||
} catch (error) {
|
||
console.error('清理日志失败:', error);
|
||
res.status(500).json({
|
||
success: false,
|
||
message: '清理日志失败: ' + error.message
|
||
});
|
||
}
|
||
});
|
||
|
||
// 封禁/解封用户
|
||
app.post('/api/admin/users/:id/ban', authMiddleware, adminMiddleware, (req, res) => {
|
||
try {
|
||
const { id } = req.params;
|
||
const { banned } = req.body;
|
||
|
||
UserDB.setBanStatus(id, banned);
|
||
|
||
res.json({
|
||
success: true,
|
||
message: banned ? '用户已封禁' : '用户已解封'
|
||
});
|
||
} catch (error) {
|
||
console.error('操作失败:', error);
|
||
res.status(500).json({
|
||
success: false,
|
||
message: '操作失败: ' + error.message
|
||
});
|
||
}
|
||
});
|
||
|
||
// 删除用户（级联删除文件和分享）
|
||
app.delete('/api/admin/users/:id', authMiddleware, adminMiddleware, async (req, res) => {
|
||
try {
|
||
const { id } = req.params;
|
||
|
||
if (parseInt(id) === req.user.id) {
|
||
return res.status(400).json({
|
||
success: false,
|
||
message: '不能删除自己的账号'
|
||
});
|
||
}
|
||
|
||
// 获取用户信息
|
||
const user = UserDB.findById(id);
|
||
if (!user) {
|
||
return res.status(404).json({
|
||
success: false,
|
||
message: '用户不存在'
|
||
});
|
||
}
|
||
|
||
const deletionLog = {
|
||
userId: id,
|
||
username: user.username,
|
||
deletedFiles: [],
|
||
deletedShares: 0,
|
||
warnings: []
|
||
};
|
||
|
||
// 1. 删除本地存储文件（如果用户使用了本地存储）
|
||
const storagePermission = user.storage_permission || 'sftp_only';
|
||
if (storagePermission === 'local_only' || storagePermission === 'user_choice') {
|
||
const storageRoot = process.env.STORAGE_ROOT || path.join(__dirname, 'storage');
|
||
const userStorageDir = path.join(storageRoot, `user_${id}`);
|
||
|
||
if (fs.existsSync(userStorageDir)) {
|
||
try {
|
||
// 递归删除用户目录
|
||
const deletedSize = getUserDirectorySize(userStorageDir);
|
||
fs.rmSync(userStorageDir, { recursive: true, force: true });
|
||
deletionLog.deletedFiles.push({
|
||
type: 'local',
|
||
path: userStorageDir,
|
||
size: deletedSize
|
||
});
|
||
console.log(`[删除用户] 已删除本地存储目录: ${userStorageDir}`);
|
||
} catch (error) {
|
||
console.error(`[删除用户] 删除本地存储失败:`, error);
|
||
deletionLog.warnings.push(`删除本地存储失败: ${error.message}`);
|
||
}
|
||
}
|
||
}
|
||
|
||
// 2. SFTP存储文件 - 只记录警告，不实际删除（安全考虑）
|
||
if (user.has_ftp_config && (storagePermission === 'sftp_only' || storagePermission === 'user_choice')) {
|
||
deletionLog.warnings.push(
|
||
`用户配置了SFTP存储 (${user.ftp_host}:${user.ftp_port})，SFTP文件未自动删除，请手动处理`
|
||
);
|
||
}
|
||
|
||
// 3. 删除用户的所有分享记录
|
||
try {
|
||
const userShares = ShareDB.getUserShares(id);
|
||
deletionLog.deletedShares = userShares.length;
|
||
|
||
userShares.forEach(share => {
|
||
ShareDB.delete(share.id);
|
||
// 清除分享缓存
|
||
if (shareFileCache.has(share.share_code)) {
|
||
shareFileCache.delete(share.share_code);
|
||
}
|
||
});
|
||
|
||
console.log(`[删除用户] 已删除 ${deletionLog.deletedShares} 条分享记录`);
|
||
} catch (error) {
|
||
console.error(`[删除用户] 删除分享记录失败:`, error);
|
||
deletionLog.warnings.push(`删除分享记录失败: ${error.message}`);
|
||
}
|
||
|
||
// 4. 删除用户记录
|
||
UserDB.delete(id);
|
||
|
||
// 构建响应消息
|
||
let message = `用户 ${user.username} 已删除`;
|
||
if (deletionLog.deletedFiles.length > 0) {
|
||
const totalSize = deletionLog.deletedFiles.reduce((sum, f) => sum + f.size, 0);
|
||
message += `，已清理本地文件 ${formatFileSize(totalSize)}`;
|
||
}
|
||
if (deletionLog.deletedShares > 0) {
|
||
message += `，已删除 ${deletionLog.deletedShares} 条分享`;
|
||
}
|
||
|
||
res.json({
|
||
success: true,
|
||
message,
|
||
details: deletionLog
|
||
});
|
||
} catch (error) {
|
||
console.error('删除用户失败:', error);
|
||
res.status(500).json({
|
||
success: false,
|
||
message: '删除用户失败: ' + error.message
|
||
});
|
||
}
|
||
});
|
||
|
||
// 辅助函数：计算目录大小
|
||
function getUserDirectorySize(dirPath) {
|
||
let totalSize = 0;
|
||
|
||
function calculateSize(currentPath) {
|
||
try {
|
||
const stats = fs.statSync(currentPath);
|
||
|
||
if (stats.isDirectory()) {
|
||
const files = fs.readdirSync(currentPath);
|
||
files.forEach(file => {
|
||
calculateSize(path.join(currentPath, file));
|
||
});
|
||
} else {
|
||
totalSize += stats.size;
|
||
}
|
||
} catch (error) {
|
||
console.error(`计算大小失败: ${currentPath}`, error);
|
||
}
|
||
}
|
||
|
||
calculateSize(dirPath);
|
||
return totalSize;
|
||
}
|
||
|
||
// 设置用户存储权限（管理员）
|
||
app.post('/api/admin/users/:id/storage-permission',
|
||
authMiddleware,
|
||
adminMiddleware,
|
||
[
|
||
body('storage_permission').isIn(['local_only', 'sftp_only', 'user_choice']).withMessage('无效的存储权限')
|
||
],
|
||
(req, res) => {
|
||
const errors = validationResult(req);
|
||
if (!errors.isEmpty()) {
|
||
return res.status(400).json({
|
||
success: false,
|
||
errors: errors.array()
|
||
});
|
||
}
|
||
|
||
try {
|
||
const { id } = req.params;
|
||
const { storage_permission, local_storage_quota } = req.body;
|
||
|
||
const updates = { storage_permission };
|
||
|
||
// 如果提供了配额，更新配额（单位：字节）
|
||
if (local_storage_quota !== undefined) {
|
||
updates.local_storage_quota = parseInt(local_storage_quota);
|
||
}
|
||
|
||
// 根据权限设置自动调整存储类型
|
||
const user = UserDB.findById(id);
|
||
if (!user) {
|
||
return res.status(404).json({
|
||
success: false,
|
||
message: '用户不存在'
|
||
});
|
||
}
|
||
|
||
if (storage_permission === 'local_only') {
|
||
updates.current_storage_type = 'local';
|
||
} else if (storage_permission === 'sftp_only') {
|
||
// 只有配置了SFTP才切换到SFTP
|
||
if (user.has_ftp_config) {
|
||
updates.current_storage_type = 'sftp';
|
||
}
|
||
}
|
||
// user_choice 不自动切换，保持用户当前选择
|
||
|
||
UserDB.update(id, updates);
|
||
|
||
res.json({
|
||
success: true,
|
||
message: '存储权限已更新'
|
||
});
|
||
} catch (error) {
|
||
console.error('设置存储权限失败:', error);
|
||
res.status(500).json({
|
||
success: false,
|
||
message: '设置存储权限失败: ' + error.message
|
||
});
|
||
}
|
||
}
|
||
);
|
||
|
||
// ===== 管理员文件审查功能 =====
|
||
|
||
// 查看用户文件列表（管理员，只读）
|
||
app.get('/api/admin/users/:id/files', authMiddleware, adminMiddleware, async (req, res) => {
|
||
const { id } = req.params;
|
||
const dirPath = req.query.path || '/';
|
||
let sftp;
|
||
|
||
try {
|
||
const user = UserDB.findById(id);
|
||
|
||
if (!user) {
|
||
return res.status(404).json({
|
||
success: false,
|
||
message: '用户不存在'
|
||
});
|
||
}
|
||
|
||
if (!user.has_ftp_config) {
|
||
return res.status(400).json({
|
||
success: false,
|
||
message: '该用户未配置SFTP服务器'
|
||
});
|
||
}
|
||
|
||
sftp = await connectToSFTP(user);
|
||
const list = await sftp.list(dirPath);
|
||
|
||
const formattedList = list.map(item => ({
|
||
name: item.name,
|
||
type: item.type === 'd' ? 'directory' : 'file',
|
||
size: item.size,
|
||
sizeFormatted: formatFileSize(item.size),
|
||
modifiedAt: new Date(item.modifyTime),
|
||
isDirectory: item.type === 'd'
|
||
}));
|
||
|
||
formattedList.sort((a, b) => {
|
||
if (a.isDirectory && !b.isDirectory) return -1;
|
||
if (!a.isDirectory && b.isDirectory) return 1;
|
||
return a.name.localeCompare(b.name);
|
||
});
|
||
|
||
res.json({
|
||
success: true,
|
||
username: user.username,
|
||
path: dirPath,
|
||
items: formattedList
|
||
});
|
||
} catch (error) {
|
||
console.error('管理员查看用户文件失败:', error);
|
||
res.status(500).json({
|
||
success: false,
|
||
message: '获取文件列表失败: ' + error.message
|
||
});
|
||
} finally {
|
||
if (sftp) await sftp.end();
|
||
}
|
||
});
|
||
|
||
// 获取所有分享（管理员）
|
||
app.get('/api/admin/shares', authMiddleware, adminMiddleware, (req, res) => {
|
||
try {
|
||
const shares = ShareDB.getAll();
|
||
|
||
res.json({
|
||
success: true,
|
||
shares
|
||
});
|
||
} catch (error) {
|
||
console.error('获取分享列表失败:', error);
|
||
res.status(500).json({
|
||
success: false,
|
||
message: '获取分享列表失败: ' + error.message
|
||
});
|
||
}
|
||
});
|
||
|
||
// 删除分享（管理员）
|
||
app.delete('/api/admin/shares/:id', authMiddleware, adminMiddleware, (req, res) => {
|
||
try {
|
||
// 先获取分享信息以获得share_code
|
||
const share = ShareDB.findById(req.params.id);
|
||
|
||
if (share) {
|
||
// 删除缓存
|
||
if (shareFileCache.has(share.share_code)) {
|
||
shareFileCache.delete(share.share_code);
|
||
console.log(`[缓存清除] 分享码: ${share.share_code} (管理员操作)`);
|
||
}
|
||
|
||
// 删除数据库记录
|
||
ShareDB.delete(req.params.id);
|
||
|
||
res.json({
|
||
success: true,
|
||
message: '分享已删除'
|
||
});
|
||
} else {
|
||
res.status(404).json({
|
||
success: false,
|
||
message: '分享不存在'
|
||
});
|
||
}
|
||
} catch (error) {
|
||
console.error('删除分享失败:', error);
|
||
res.status(500).json({
|
||
success: false,
|
||
message: '删除分享失败: ' + error.message
|
||
});
|
||
}
|
||
});
|
||
|
||
// ============================================
|
||
// 管理员：上传工具管理
|
||
// ============================================
|
||
|
||
// 检查上传工具是否存在
|
||
app.get('/api/admin/check-upload-tool', authMiddleware, adminMiddleware, (req, res) => {
|
||
try {
|
||
const toolPath = path.join(__dirname, '..', 'upload-tool', 'dist', '玩玩云上传工具.exe');
|
||
|
||
if (fs.existsSync(toolPath)) {
|
||
const stats = fs.statSync(toolPath);
|
||
const sizeMB = (stats.size / (1024 * 1024)).toFixed(2);
|
||
|
||
res.json({
|
||
success: true,
|
||
exists: true,
|
||
fileInfo: {
|
||
path: toolPath,
|
||
size: stats.size,
|
||
sizeMB: sizeMB,
|
||
modifiedAt: stats.mtime
|
||
}
|
||
});
|
||
} else {
|
||
res.json({
|
||
success: true,
|
||
exists: false,
|
||
message: '上传工具不存在'
|
||
});
|
||
}
|
||
} catch (error) {
|
||
console.error('检查上传工具失败:', error);
|
||
res.status(500).json({
|
||
success: false,
|
||
message: '检查失败: ' + error.message
|
||
});
|
||
}
|
||
});
|
||
|
||
// 上传工具文件
|
||
const uploadToolStorage = multer.diskStorage({
|
||
destination: (req, file, cb) => {
|
||
const uploadDir = path.join(__dirname, '..', 'upload-tool', 'dist');
|
||
// 确保目录存在
|
||
if (!fs.existsSync(uploadDir)) {
|
||
fs.mkdirSync(uploadDir, { recursive: true });
|
||
}
|
||
cb(null, uploadDir);
|
||
},
|
||
filename: (req, file, cb) => {
|
||
// 固定文件名
|
||
cb(null, '玩玩云上传工具.exe');
|
||
}
|
||
});
|
||
|
||
const uploadTool = multer({
|
||
storage: uploadToolStorage,
|
||
limits: {
|
||
fileSize: 100 * 1024 * 1024 // 限制100MB
|
||
},
|
||
fileFilter: (req, file, cb) => {
|
||
// 只允许.exe文件
|
||
if (!file.originalname.toLowerCase().endsWith('.exe')) {
|
||
return cb(new Error('只允许上传.exe文件'));
|
||
}
|
||
cb(null, true);
|
||
}
|
||
});
|
||
|
||
app.post('/api/admin/upload-tool', authMiddleware, adminMiddleware, uploadTool.single('file'), (req, res) => {
|
||
try {
|
||
if (!req.file) {
|
||
return res.status(400).json({
|
||
success: false,
|
||
message: '请选择要上传的文件'
|
||
});
|
||
}
|
||
|
||
const fileSizeMB = (req.file.size / (1024 * 1024)).toFixed(2);
|
||
|
||
// 验证文件大小（至少20MB，上传工具通常很大）
|
||
if (req.file.size < 20 * 1024 * 1024) {
|
||
// 删除上传的文件
|
||
fs.unlinkSync(req.file.path);
|
||
return res.status(400).json({
|
||
success: false,
|
||
message: '文件大小异常，上传工具通常大于20MB'
|
||
});
|
||
}
|
||
|
||
console.log(`[上传工具] 管理员上传成功: ${fileSizeMB}MB`);
|
||
|
||
res.json({
|
||
success: true,
|
||
message: '上传工具已上传',
|
||
fileInfo: {
|
||
size: req.file.size,
|
||
sizeMB: fileSizeMB
|
||
}
|
||
});
|
||
} catch (error) {
|
||
console.error('上传工具失败:', error);
|
||
res.status(500).json({
|
||
success: false,
|
||
message: '上传失败: ' + error.message
|
||
});
|
||
}
|
||
});
|
||
|
||
// 分享页面访问路由
|
||
app.get("/s/:code", (req, res) => {
|
||
const shareCode = req.params.code;
|
||
// 使用相对路径重定向，浏览器会自动使用当前的协议和host
|
||
const frontendUrl = `/share.html?code=${shareCode}`;
|
||
console.log(`[分享] 重定向到: ${frontendUrl}`);
|
||
res.redirect(frontendUrl);
|
||
});
|
||
|
||
// 启动时清理旧临时文件
|
||
cleanupOldTempFiles();
|
||
|
||
// 启动服务器
|
||
app.listen(PORT, '0.0.0.0', () => {
|
||
console.log(`\n========================================`);
|
||
console.log(`玩玩云已启动`);
|
||
console.log(`服务器地址: http://localhost:${PORT}`);
|
||
console.log(`外网访问地址: http://0.0.0.0:${PORT}`);
|
||
console.log(`========================================\n`);
|
||
});
|