rollback service.js

public/service.js

@@ -1,7 +1,6 @@
 const path = require('node:path')
 const express = require('express')
 const proxy = require('express-http-proxy')
-const { createProxyMiddleware } = require('http-proxy-middleware')
 
 const app = express()
 const port = process.env.NGINX_PORT || 3000
@@ -15,141 +14,16 @@ const proxyConfig = {
 // 静态文件服务目录
 app.use(express.static(__dirname))
 
-// 创建专门的SSE代理中间件
-const sseProxyMiddleware = createProxyMiddleware({
-  target: `http://${proxyConfig.URL}:${proxyConfig.PORT}`,
-  changeOrigin: true,
-  ws: false,
-  timeout: 0, // 无超时
-  proxyTimeout: 0, // 无超时
-  headers: {
-    'Connection': 'keep-alive',
-    'Cache-Control': 'no-cache'
-  },
-  onProxyRes: (proxyRes, req, res) => {
-    // 检测SSE响应
-    const isSSE = proxyRes.headers['content-type'] && 
-                  proxyRes.headers['content-type'].includes('text/event-stream');
-    
-    if (isSSE) {
-      // 设置SSE响应头
-      res.writeHead(proxyRes.statusCode, {
-        'Content-Type': 'text/event-stream',
-        'Cache-Control': 'no-cache',
-        'Connection': 'keep-alive',
-        'Access-Control-Allow-Origin': '*',
-        'Access-Control-Allow-Headers': 'Cache-Control, Content-Type, Authorization'
-      });
-      
-      // 直接将代理响应流式传输到客户端
-      proxyRes.pipe(res);
-      
-      // 处理客户端断开连接
-      req.on('close', () => {
-        console.log('Client disconnected from SSE stream');
-        if (proxyRes.destroy) {
-          proxyRes.destroy();
-        }
-      });
-      
-      // 处理代理响应结束
-      proxyRes.on('end', () => {
-        console.log('SSE stream ended');
-        if (!res.headersSent) {
-          res.end();
-        }
-      });
-      
-      // 处理代理响应错误
-      proxyRes.on('error', (err) => {
-        console.error('SSE proxy response error:', err);
-        if (!res.headersSent) {
-          res.status(500).end();
-        }
-      });
+// 配置代理中间件将请求转发给后端API
+app.use(
+  '/api',
+  proxy(`${proxyConfig.URL}:${proxyConfig.PORT}`, {
+    // 路径加上 /api 前缀
+    proxyReqPathResolver: (req) => {
+      return `/api${req.url}`
     }
-  },
-  onError: (err, req, res) => {
-    console.error('SSE proxy error:', err);
-    if (!res.headersSent) {
-      res.status(500).json({ error: 'Proxy error' });
-    }
-  }
-});
-
-// 创建普通API代理中间件
-const apiProxyMiddleware = proxy(`${proxyConfig.URL}:${proxyConfig.PORT}`, {
-  // 路径加上 /api 前缀
-  proxyReqPathResolver: (req) => {
-    return `/api${req.url}`
-  },
-  proxyReqOptDecorator: (proxyReqOpts, srcReq) => {
-    proxyReqOpts.headers = proxyReqOpts.headers || {};
-    
-    // 检测是否为SSE请求
-    const isSSE = srcReq.headers.accept && srcReq.headers.accept.includes('text/event-stream');
-    
-    if (!isSSE) {
-      // 普通请求设置超时
-      proxyReqOpts.timeout = 600000; // 600秒超时
-    }
-    
-    return proxyReqOpts;
-  },
-  userResDecorator: (proxyRes, proxyResData, userReq, userRes) => {
-    // 只处理非SSE响应
-    const isSSEResponse = proxyRes.headers['content-type'] && 
-                         proxyRes.headers['content-type'].includes('text/event-stream');
-    
-    if (!isSSEResponse) {
-      // 普通响应：正常处理
-      return proxyResData;
-    }
-    
-    // SSE响应不在这里处理，已经由专门的中间件处理
-    return proxyResData;
-  },
-  // 错误处理
-  proxyErrorHandler: (err, res, next) => {
-    // 客户端断开连接的正常情况
-    if (err.code === 'ECONNRESET' || err.code === 'EPIPE') {
-      console.log('Client disconnected:', err.code);
-      if (!res.headersSent) {
-        res.end();
-      }
-      return;
-    }
-    
-    // 超时错误处理
-    if (err.code === 'ETIMEDOUT') {
-      console.log('Proxy request timed out:', err.code);
-      if (!res.headersSent) {
-        res.status(504).send('Gateway Timeout');
-      }
-      return;
-    }
-    
-    // 其他错误
-    console.error('Proxy error:', err);
-    if (!res.headersSent) {
-      res.status(500).send('Internal Server Error');
-    }
-  }
-});
-
-// 配置API代理路由
-app.use('/api', (req, res, next) => {
-  // 检测是否为SSE请求
-  const isSSE = req.headers.accept && req.headers.accept.includes('text/event-stream');
-  
-  if (isSSE) {
-    // 使用专门的SSE代理中间件
-    sseProxyMiddleware(req, res, next);
-  } else {
-    // 使用普通API代理中间件
-    apiProxyMiddleware(req, res, next);
-  }
-});
+  })
+);
 
 // 配置代理中间件将CookieCloud请求转发给后端API
 app.use(