82 lines
2.0 KiB
JavaScript
82 lines
2.0 KiB
JavaScript
const express = require('express');
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const cors = require('cors');
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const helmet = require('helmet');
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const rateLimit = require('express-rate-limit');
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const path = require('path');
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const dotenv = require('dotenv');
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// 导入路由
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const fileRoutes = require('./routes/files');
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const conversionRoutes = require('./routes/conversion');
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const userRoutes = require('./routes/users');
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const systemRoutes = require('./routes/system');
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// 导入中间件
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const errorHandler = require('./middleware/errorHandler');
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const authMiddleware = require('./middleware/auth');
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// 加载环境变量
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dotenv.config();
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const app = express();
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const PORT = process.env.PORT || 3001;
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// 安全中间件
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app.use(helmet());
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// CORS配置
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app.use(cors({
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origin: process.env.CLIENT_URL || 'http://localhost:3000',
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credentials: true
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}));
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// 请求限流
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const limiter = rateLimit({
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windowMs: 15 * 60 * 1000, // 15分钟
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max: 100, // 每个IP最多100个请求
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message: '请求过于频繁，请稍后再试'
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});
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app.use('/api/', limiter);
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// 解析请求体
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app.use(express.json({ limit: '50mb' }));
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app.use(express.urlencoded({ extended: true, limit: '50mb' }));
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// 静态文件服务
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app.use('/uploads', express.static(path.join(__dirname, 'uploads')));
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// API路由
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app.use('/api/files', fileRoutes);
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app.use('/api/convert', conversionRoutes);
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app.use('/api/users', userRoutes);
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app.use('/api/system', systemRoutes);
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// 健康检查端点
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app.get('/health', (req, res) => {
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res.json({
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status: 'OK',
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timestamp: new Date().toISOString(),
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uptime: process.uptime(),
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memory: process.memoryUsage()
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});
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});
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// 错误处理中间件
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app.use(errorHandler);
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// 404处理
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app.use('*', (req, res) => {
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res.status(404).json({
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success: false,
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message: '接口不存在',
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timestamp: new Date().toISOString()
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});
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});
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// 启动服务器
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app.listen(PORT, () => {
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console.log(`🚀 PDF转换工具服务器运行在端口 ${PORT}`);
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console.log(`📊 健康检查: http://localhost:${PORT}/health`);
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});
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module.exports = app; |