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"output": "\n 1→export default {\r\n 2→ async fetch(request, env, ctx) {\r\n 3→ const url = new URL(request.url);\r\n 4→\r\n 5→ // --- 1. 处理跨域预检 (OPTIONS) ---\r\n 6→ if (request.method === \"OPTIONS\") {\r\n 7→ return new Response(null, {\r\n 8→ headers: {\r\n 9→ \"Access-Control-Allow-Origin\": \"*\",\r\n 10→ \"Access-Control-Allow-Methods\": \"GET, POST, PUT, DELETE, OPTIONS\",\r\n 11→ \"Access-Control-Allow-Headers\": \"Authorization, Content-Type\",\r\n 12→ \"Access-Control-Max-Age\": \"86400\",\r\n 13→ },\r\n 14→ });\r\n 15→ }\r\n 16→\r\n 17→ // --- 2. 身份认证 (Basic Auth) ---\r\n 18→ // 从 KV 变量中获取配置\r\n 19→ const expectedUser = await env.PROXY_KV.get(\"AUTH_USERNAME\");\r\n 20→ const expectedPass = await env.PROXY_KV.get(\"AUTH_PASSWORD\");\r\n 21→\r\n 22→ const authHeader = request.headers.get(\"Authorization\");\r\n 23→ if (!authHeader || !authHeader.startsWith(\"Basic \")) {\r\n 24→ return new Response(\"需要身份认证\", {\r\n 25→ status: 401,\r\n 26→ headers: { \"WWW-Authenticate\": 'Basic realm=\"Cloudflare Proxy\"' }\r\n 27→ });\r\n 28→ }\r\n 29→\r\n 30→ // 解码认证信息 (Base64: user:pass)\r\n 31→ const base64Str = authHeader.split(\" \")[1];\r\n 32→ try {\r\n 33→ const decoded = atob(base64Str);\r\n 34→ const [username, password] = decoded.split(\":\");\r\n 35→\r\n 36→ if (username !== expectedUser || password !== expectedPass) {\r\n 37→ return new Response(\"用户名或密码错误\", { status: 403 });\r\n 38→ }\r\n 39→ } catch (e) {\r\n 40→ return new Response(\"认证解析失败\", { status: 400 });\r\n 41→ }\r\n 42→\r\n 43→ // --- 3. 获取目标 URL ---\r\n 44→ const targetUrlStr = url.searchParams.get('url');\r\n 45→ if (!targetUrlStr) {\r\n 46→ return new Response(\"请通过 ?url= 传入目标地址\", { status: 400 });\r\n 47→ }\r\n 48→\r\n 49→ try {\r\n 50→ const targetUrl = new URL(targetUrlStr);\r\n 51→\r\n 52→ // --- 4. 构建转发请求 ---\r\n 53→ const newHeaders = new Headers(request.headers);\r\n 54→ \r\n 55→ // 移除可能引起循环或隐私问题的 Cloudflare 内部头\r\n 56→ newHeaders.delete(\"cf-connecting-ip\");\r\n 57→ newHeaders.delete(\"cf-ipcountry\");\r\n 58→ newHeaders.delete(\"cf-ray\");\r\n 59→ newHeaders.delete(\"cf-visitor\");\r\n 60→ // 移除请求头中的认证信息，防止泄露给目标服务器\r\n 61→ newHeaders.delete(\"Authorization\");\r\n 62→\r\n 63→ // 关键：修改 Host 和 Referer 伪装来源\r\n 64→ newHeaders.set(\"Host\", targetUrl.host);\r\n 65→ newHeaders.set(\"Referer\", targetUrl.origin);\r\n 66→\r\n 67→ const proxyRequest = new Request(targetUrl, {\r\n 68→ method: request.method,\r\n 69→ headers: newHeaders,\r\n 70→ body: request.body,\r\n 71→ redirect: \"follow\",\r\n 72→ });\r\n 73→\r\n 74→ // --- 5. 执行代理并返回结果 ---\r\n 75→ const response = await fetch(proxyRequest);\r\n 76→\r\n 77→ // 允许跨域返回\r\n 78→ const responseHeaders = new Headers(response.headers);\r\n 79→ responseHeaders.set(\"Access-Control-Allow-Origin\", \"*\");\r\n 80→ responseHeaders.set(\"Access-Control-Expose-Headers\", \"*\");\r\n 81→\r\n 82→ return new Response(response.body, {\r\n 83→ status: response.status,\r\n 84→ statusText: response.statusText,\r\n 85→ headers: responseHeaders,\r\n 86→ });\r\n 87→\r\n 88→ } catch (err) {\r\n 89→ return new Response(\"代理请求失败: \" + err.message, { status: 500 });\r\n 90→ }\r\n 91→ },\r\n 92→};\n\nThe file has 92 lines in total.",
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"content": "已阅读完 [`worker.js`](d:\\Users\\xukai\\Desktop\\webjsproxy\\worker.js)。以下是当前代码的分析：\n\n## 当前 worker.js 概述\n\n这是一个基于 Cloudflare Worker 的 HTTP 代理服务，核心流程为：\n\n1. **CORS 预检处理** (L6-15) — 响应 `OPTIONS` 请求，允许跨域\n2. **Basic Auth 认证** (L17-41) — 从 KV 存储 (`PROXY_KV`) 读取用户名密码，验证请求头中的 `Authorization`\n3. **获取目标 URL** (L43-47) — 通过查询参数 `?url=` 传入\n4. **构建转发请求** (L49-72) — 清除 CF 内部头和认证头，伪装 `Host`/`Referer`\n5. **执行代理并返回** (L74-86) — 转发请求，添加 CORS 头后返回响应\n\n目前项目目录下仅有 [`worker.js`](d:\\Users\\xukai\\Desktop\\webjsproxy\\worker.js) 一个文件，没有其他配置文件或前端页面。\n\n---\n\n请告诉我具体的**恢复需求**是什么？例如：\n- 需要恢复哪些功能或代码？\n- 是否有之前的版本对比或备份？\n- 是否需要添加前端页面、配置文件（如 `wrangler.toml`）等？"
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"content": "现在用这个worker访问https://web-ladd.xuvps.net/?url=https://www.google.com\n功能正常",
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"content": "The user is confirming that the current worker.js is functioning correctly when accessing `https://web-ladd.xuvps.net/?url=https://www.google.com`. They're telling me the proxy works fine as-is.\n\nLet me just acknowledge this and ask what they need me to do next, since their earlier message mentioned \"恢复需求\" (recovery requirements) but they haven't specified what needs to be done yet.",
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"content": "了解，当前 [`worker.js`](d:\\Users\\xukai\\Desktop\\webjsproxy\\worker.js) 的代理功能正常运行，通过 `?url=` 参数可以成功代理访问目标网站（如 Google）。\n\n请继续说明你的**恢复需求**——具体需要做什么改动或恢复哪些功能？"
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"content": "怎么把这个web proxy 转换为http proxy 用node.js实现",
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"content": "The user wants to convert the Cloudflare Worker-based web proxy into an HTTP proxy using Node.js. \n\nThe current worker.js is a web proxy that:\n- Accepts requests via `?url=` query parameter\n- Authenticates via Basic Auth\n- Forwards the request to the target URL\n- Returns the response with CORS headers\n\nAn HTTP proxy works differently:\n- Clients (browsers, curl, etc.) connect to the proxy and send HTTP requests with the full URL\n- For HTTPS, clients use the CONNECT method to establish a tunnel\n- The proxy forwards the request or creates a tunnel\n\nLet me plan this conversion:\n\n1. For HTTP requests: The client sends something like `GET http://example.com/path HTTP/1.1` - the proxy needs to parse the full URL and forward the request.\n\n2. For HTTPS requests: The client sends `CONNECT example.com:443 HTTP/1.1` - the proxy needs to establish a TCP tunnel by connecting to the target and relaying bytes between client and target.\n\n3. Keep the Basic Auth authentication.\n\nLet me implement this in Node.js.\n\nKey considerations:\n- Use `http` and `https` modules (or could use `net` for CONNECT tunneling)\n- Support both HTTP and HTTPS proxying\n- Support CONNECT method for HTTPS tunneling\n- Keep Basic Auth authentication\n- No need for CORS headers in an HTTP proxy\n\nLet me write a clean Node.js HTTP proxy implementation.",
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"content": "两种代理的核心区别：\n\n| | 当前 Web Proxy (Worker) | HTTP Proxy (Node.js) |\n|---|---|---|\n| 访问方式 | `?url=目标地址` 查询参数 | 浏览器/工具设置代理地址 |\n| HTTP 请求 | 服务端 fetch 转发 | 解析完整 URL 后转发 |\n| HTTPS 请求 | 同上（服务端解密再加密） | CONNECT 隧道（不解密，透传字节流） |\n| 认证 | Basic Auth 拦截 | Proxy-Authorization 头 |\n\n现在来实现："
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"content": "const http = require(\"http\");\nconst https = require(\"https\");\nconst net = require(\"net\");\nconst { URL } = require(\"url\");\n\n// ============ 配置 ============\nconst PORT = process.env.PROXY_PORT || 3128;\nconst AUTH_USERNAME = process.env.AUTH_USERNAME || \"admin\";\nconst AUTH_PASSWORD = process.env.AUTH_PASSWORD || \"password\";\n\n// ============ Basic Auth 校验 ============\nfunction checkProxyAuth(req) {\n const authHeader = req.headers[\"proxy-authorization\"];\n if (!authHeader || !authHeader.startsWith(\"Basic \")) {\n return false;\n }\n try {\n const decoded = Buffer.from(authHeader.split(\" \")[1], \"base64\").toString();\n const [username, password] = decoded.split(\":\");\n return username === AUTH_USERNAME && password === AUTH_PASSWORD;\n } catch {\n return false;\n }\n}\n\nfunction requireAuth(res) {\n res.writeHead(407, {\n \"Proxy-Authenticate\": 'Basic realm=\"HTTP Proxy\"',\n });\n res.end(\"需要代理认证\");\n}\n\n// ============ 清理请求头 ============\nfunction cleanHeaders(headers) {\n const cleaned = { ...headers };\n // 删除代理相关头，防止泄露\n delete cleaned[\"proxy-authorization\"];\n delete cleaned[\"proxy-connection\"];\n return cleaned;\n}\n\n// ============ 处理 HTTP 请求（http:// 目标） ============\nfunction handleHttpRequest(req, res) {\n if (!checkProxyAuth(req)) {\n return requireAuth(res);\n }\n\n try {\n const targetUrl = new URL(req.url);\n const options = {\n hostname: targetUrl.hostname,\n port: targetUrl.port || 80,\n path: targetUrl.pathname + targetUrl.search,\n method: req.method,\n headers: cleanHeaders(req.headers),\n };\n\n // 修正 Host 头\n options.headers[\"host\"] = targetUrl.host;\n\n const proxyReq = http.request(options, (proxyRes) => {\n res.writeHead(proxyRes.statusCode, proxyRes.headers);\n proxyRes.pipe(res);\n });\n\n proxyReq.on(\"error\", (err) => {\n res.writeHead(502);\n res.end(\"代理请求失败: \" + err.message);\n });\n\n req.pipe(proxyReq);\n } catch (err) {\n res.writeHead(400);\n res.end(\"无效的目标地址: \" + err.message);\n }\n}\n\n// ============ 处理 HTTPS CONNECT 隧道 ============\nfunction handleConnect(req, clientSocket, head) {\n if (!checkProxyAuth(req)) {\n clientSocket.write(\"HTTP/1.1 407 Proxy Auth Required\\r\\n\");\n clientSocket.write('Proxy-Authenticate: Basic realm=\"HTTP Proxy\"\\r\\n');\n clientSocket.write(\"\\r\\n\");\n clientSocket.end();\n return;\n }\n\n const [hostname, port] = req.url.split(\":\");\n const targetPort = parseInt(port) || 443;\n\n const serverSocket = net.connect(targetPort, hostname, () => {\n clientSocket.write(\"HTTP/1.1 200 Connection Established\\r\\n\\r\\n\");\n if (head && head.length > 0) {\n serverSocket.write(head);\n }\n // 双向透传，不解密\n serverSocket.pipe(clientSocket);\n clientSocket.pipe(serverSocket);\n });\n\n serverSocket.on(\"error\", () => {\n clientSocket.write(\"HTTP/1.1 502 Bad Gateway\\r\\n\\r\\n\");\n clientSocket.end();\n });\n\n clientSocket.on(\"error\", () => {\n serverSocket.end();\n });\n}\n\n// ============ 启动代理服务器 ============\nconst server = http.createServer(handleHttpRequest);\nserver.on(\"connect\", handleConnect);\n\nserver.listen(PORT, () => {\n console.log(`HTTP Proxy 已启动，监听端口: ${PORT}`);\n console.log(`认证用户: ${AUTH_USERNAME}`);\n console.log(\"使用方式:\");\n console.log(` curl -x http://${AUTH_USERNAME}:${AUTH_PASSWORD}@127.0.0.1:${PORT} http://example.com`);\n console.log(` curl -x http://${AUTH_USERNAME}:${AUTH_PASSWORD}@127.0.0.1:${PORT} https://example.com`);\n});\n"
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"content": "已完成转换，生成了 `proxy.js`。核心变化对比：\n\n## Worker Web Proxy → Node.js HTTP Proxy\n\n| | Worker (worker.js) | Node.js (proxy.js) |\n|---|---|---|\n| **协议** | `?url=` 查询参数 | 标准 HTTP Proxy 协议 |\n| **认证头** | `Authorization: Basic ...` | `Proxy-Authorization: Basic ...` |\n| **HTTP 请求** | 服务端 fetch → 重写响应 | 解析 URL → `http.request` 转发，pipe 双向流 |\n| **HTTPS 请求** | 服务端解密再加密 | `CONNECT` 隧道，纯 TCP 透传（不解密） |\n| **认证失败** | 401 + `WWW-Authenticate` | 407 + `Proxy-Authenticate` |\n\n## 使用方式\n\n**启动服务：**\n```bash\n# 直接运行（使用默认账号 admin/password）\nnode proxy.js\n\n# 自定义配置\nAUTH_USERNAME=myuser AUTH_PASSWORD=mypass PROXY_PORT=8080 node proxy.js\n```\n\n**命令行测试：**\n```bash\n# HTTP\ncurl -x http://admin:password@127.0.0.1:3128 http://www.google.com\n\n# HTTPS（走 CONNECT 隧道）\ncurl -x http://admin:password@127.0.0.1:3128 https://www.google.com\n```\n\n**浏览器设置：**\n在系统/浏览器代理设置中填入 `127.0.0.1:3128`，弹出认证框时输入用户名密码即可。"
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"content": "const http = require(\"http\");\nconst https = require(\"https\");\nconst net = require(\"net\");\nconst fs = require(\"fs\");\nconst path = require(\"path\");\nconst { URL } = require(\"url\");\n\n// ============ 配置 ============\nconst configPath = path.join(__dirname, \"config.json\");\nconst config = JSON.parse(fs.readFileSync(configPath, \"utf-8\"));\n\nconst SERVER = config.server || \"127.0.0.1\";\nconst PORT = config.port || 3128;\nconst AUTH_USERNAME = config.username || \"admin\";\nconst AUTH_PASSWORD = config.password || \"password\";\n\n// ============ Basic Auth 校验 ============\nfunction checkProxyAuth(req) {\n const authHeader = req.headers[\"proxy-authorization\"];\n if (!authHeader || !authHeader.startsWith(\"Basic \")) {\n return false;\n }\n try {\n const decoded = Buffer.from(authHeader.split(\" \")[1], \"base64\").toString();\n const [username, password] = decoded.split(\":\");\n return username === AUTH_USERNAME && password === AUTH_PASSWORD;\n } catch {\n return false;\n }\n}\n\nfunction requireAuth(res) {\n res.writeHead(407, {\n \"Proxy-Authenticate\": 'Basic realm=\"HTTP Proxy\"',\n });\n res.end(\"需要代理认证\");\n}\n\n// ============ 清理请求头 ============\nfunction cleanHeaders(headers) {\n const cleaned = { ...headers };\n // 删除代理相关头，防止泄露\n delete cleaned[\"proxy-authorization\"];\n delete cleaned[\"proxy-connection\"];\n return cleaned;\n}\n\n// ============ 处理 HTTP 请求（http:// 目标） ============\nfunction handleHttpRequest(req, res) {\n if (!checkProxyAuth(req)) {\n return requireAuth(res);\n }\n\n try {\n const targetUrl = new URL(req.url);\n const options = {\n hostname: targetUrl.hostname,\n port: targetUrl.port || 80,\n path: targetUrl.pathname + targetUrl.search,\n method: req.method,\n headers: cleanHeaders(req.headers),\n };\n\n // 修正 Host 头\n options.headers[\"host\"] = targetUrl.host;\n\n const proxyReq = http.request(options, (proxyRes) => {\n res.writeHead(proxyRes.statusCode, proxyRes.headers);\n proxyRes.pipe(res);\n });\n\n proxyReq.on(\"error\", (err) => {\n res.writeHead(502);\n res.end(\"代理请求失败: \" + err.message);\n });\n\n req.pipe(proxyReq);\n } catch (err) {\n res.writeHead(400);\n res.end(\"无效的目标地址: \" + err.message);\n }\n}\n\n// ============ 处理 HTTPS CONNECT 隧道 ============\nfunction handleConnect(req, clientSocket, head) {\n if (!checkProxyAuth(req)) {\n clientSocket.write(\"HTTP/1.1 407 Proxy Auth Required\\r\\n\");\n clientSocket.write('Proxy-Authenticate: Basic realm=\"HTTP Proxy\"\\r\\n');\n clientSocket.write(\"\\r\\n\");\n clientSocket.end();\n return;\n }\n\n const [hostname, port] = req.url.split(\":\");\n const targetPort = parseInt(port) || 443;\n\n const serverSocket = net.connect(targetPort, hostname, () => {\n clientSocket.write(\"HTTP/1.1 200 Connection Established\\r\\n\\r\\n\");\n if (head && head.length > 0) {\n serverSocket.write(head);\n }\n // 双向透传，不解密\n serverSocket.pipe(clientSocket);\n clientSocket.pipe(serverSocket);\n });\n\n serverSocket.on(\"error\", () => {\n clientSocket.write(\"HTTP/1.1 502 Bad Gateway\\r\\n\\r\\n\");\n clientSocket.end();\n });\n\n clientSocket.on(\"error\", () => {\n serverSocket.end();\n });\n}\n\n// ============ 启动代理服务器 ============\nconst server = http.createServer(handleHttpRequest);\nserver.on(\"connect\", handleConnect);\n\nserver.listen(PORT, SERVER, () => {\n console.log(`HTTP Proxy 已启动，监听地址: ${SERVER}:${PORT}`);\n console.log(`认证用户: ${AUTH_USERNAME}`);\n console.log(\"使用方式:\");\n console.log(` curl -x http://${AUTH_USERNAME}:${AUTH_PASSWORD}@${SERVER}:${PORT} http://example.com`);\n console.log(` curl -x http://${AUTH_USERNAME}:${AUTH_PASSWORD}@${SERVER}:${PORT} https://example.com`);\n});\n",
"originalContent": "const http = require(\"http\");\nconst https = require(\"https\");\nconst net = require(\"net\");\nconst fs = require(\"fs\");\nconst path = require(\"path\");\nconst { URL } = require(\"url\");\n\n// ============ 配置 ============\nconst configPath = path.join(__dirname, \"config.json\");\nconst config = JSON.parse(fs.readFileSync(configPath, \"utf-8\"));\n\nconst SERVER = config.server || \"127.0.0.1\";\nconst PORT = config.port || 3128;\nconst AUTH_USERNAME = config.username || \"admin\";\nconst AUTH_PASSWORD = config.password || \"password\";\n\n// ============ Basic Auth 校验 ============\nfunction checkProxyAuth(req) {\n const authHeader = req.headers[\"proxy-authorization\"];\n if (!authHeader || !authHeader.startsWith(\"Basic \")) {\n return false;\n }\n try {\n const decoded = Buffer.from(authHeader.split(\" \")[1], \"base64\").toString();\n const [username, password] = decoded.split(\":\");\n return username === AUTH_USERNAME && password === AUTH_PASSWORD;\n } catch {\n return false;\n }\n}\n\nfunction requireAuth(res) {\n res.writeHead(407, {\n \"Proxy-Authenticate\": 'Basic realm=\"HTTP Proxy\"',\n });\n res.end(\"需要代理认证\");\n}\n\n// ============ 清理请求头 ============\nfunction cleanHeaders(headers) {\n const cleaned = { ...headers };\n // 删除代理相关头，防止泄露\n delete cleaned[\"proxy-authorization\"];\n delete cleaned[\"proxy-connection\"];\n return cleaned;\n}\n\n// ============ 处理 HTTP 请求（http:// 目标） ============\nfunction handleHttpRequest(req, res) {\n if (!checkProxyAuth(req)) {\n return requireAuth(res);\n }\n\n try {\n const targetUrl = new URL(req.url);\n const options = {\n hostname: targetUrl.hostname,\n port: targetUrl.port || 80,\n path: targetUrl.pathname + targetUrl.search,\n method: req.method,\n headers: cleanHeaders(req.headers),\n };\n\n // 修正 Host 头\n options.headers[\"host\"] = targetUrl.host;\n\n const proxyReq = http.request(options, (proxyRes) => {\n res.writeHead(proxyRes.statusCode, proxyRes.headers);\n proxyRes.pipe(res);\n });\n\n proxyReq.on(\"error\", (err) => {\n res.writeHead(502);\n res.end(\"代理请求失败: \" + err.message);\n });\n\n req.pipe(proxyReq);\n } catch (err) {\n res.writeHead(400);\n res.end(\"无效的目标地址: \" + err.message);\n }\n}\n\n// ============ 处理 HTTPS CONNECT 隧道 ============\nfunction handleConnect(req, clientSocket, head) {\n if (!checkProxyAuth(req)) {\n clientSocket.write(\"HTTP/1.1 407 Proxy Auth Required\\r\\n\");\n clientSocket.write('Proxy-Authenticate: Basic realm=\"HTTP Proxy\"\\r\\n');\n clientSocket.write(\"\\r\\n\");\n clientSocket.end();\n return;\n }\n\n const [hostname, port] = req.url.split(\":\");\n const targetPort = parseInt(port) || 443;\n\n const serverSocket = net.connect(targetPort, hostname, () => {\n clientSocket.write(\"HTTP/1.1 200 Connection Established\\r\\n\\r\\n\");\n if (head && head.length > 0) {\n serverSocket.write(head);\n }\n // 双向透传，不解密\n serverSocket.pipe(clientSocket);\n clientSocket.pipe(serverSocket);\n });\n\n serverSocket.on(\"error\", () => {\n clientSocket.write(\"HTTP/1.1 502 Bad Gateway\\r\\n\\r\\n\");\n clientSocket.end();\n });\n\n clientSocket.on(\"error\", () => {\n serverSocket.end();\n });\n}\n\n// ============ 启动代理服务器 ============\nconst server = http.createServer(handleHttpRequest);\nserver.on(\"connect\", handleConnect);\n\nserver.listen(PORT, () => {\n console.log(`HTTP Proxy 已启动，监听端口: ${PORT}`);\n console.log(`认证用户: ${AUTH_USERNAME}`);\n console.log(\"使用方式:\");\n console.log(` curl -x http://${AUTH_USERNAME}:${AUTH_PASSWORD}@127.0.0.1:${PORT} http://example.com`);\n console.log(` curl -x http://${AUTH_USERNAME}:${AUTH_PASSWORD}@127.0.0.1:${PORT} https://example.com`);\n});\n",
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"content": "已完成。配置从环境变量迁移到了 `config.json`：\n\n**config.json**\n```json\n{\n \"server\": \"127.0.0.1\",\n \"port\": 3128,\n \"username\": \"admin\",\n \"password\": \"password\"\n}\n```\n\n**proxy.js 对应改动：**\n- 新增 `fs`/`path` 模块，启动时读取 `config.json`\n- `SERVER`、`PORT`、`AUTH_USERNAME`、`AUTH_PASSWORD` 均从配置文件获取\n- `server.listen` 绑定到配置的 `server` 地址\n\n修改配置只需编辑 `config.json`，无需改动代码或设置环境变量。"
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"summary": "proxy.js DNS解析错误故障排查",
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"content": "BTW:Uncaught Error Error: getaddrinfo ENOTFOUND https://web-ladd.xuvps.net/\n at onlookupall (/dns:122:26)\n at callbackTrampoline (/internal/async_hooks:130:17)\n --- GETADDRINFOREQWRAP ---\n at init (/internal/inspector_async_hook:18:17)\n at emitInitNative (/internal/async_hooks:206:43)\n at lookup (/dns:236:21)\n at lookupAndListen (/net:2204:7)\n at Server.listen (/net:2106:7)\n at (d:\\Users\\xukai\\Desktop\\webjsproxy\\proxy.js:121:8)\n at (/internal/modules/cjs/loader:1812:14)\n at (/internal/modules/cjs/loader:1943:10)\n at (/internal/modules/cjs/loader:1533:32)\n at (/internal/modules/cjs/loader:1335:12)\n at wrapModuleLoad (/internal/modules/cjs/loader:255:19)\n at executeUserEntryPoint (/internal/modules/run_main:154:5)\n at (/internal/main/run_main_module:33:47)\n",
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"rawMessage": "BTW:Uncaught Error Error: getaddrinfo ENOTFOUND https://web-ladd.xuvps.net/\n at onlookupall (/dns:122:26)\n at callbackTrampoline (/internal/async_hooks:130:17)\n --- GETADDRINFOREQWRAP ---\n at init (/internal/inspector_async_hook:18:17)\n at emitInitNative (/internal/async_hooks:206:43)\n at lookup (/dns:236:21)\n at lookupAndListen (/net:2204:7)\n at Server.listen (/net:2106:7)\n at (d:\\Users\\xukai\\Desktop\\webjsproxy\\proxy.js:121:8)\n at (/internal/modules/cjs/loader:1812:14)\n at (/internal/modules/cjs/loader:1943:10)\n at (/internal/modules/cjs/loader:1533:32)\n at (/internal/modules/cjs/loader:1335:12)\n at wrapModuleLoad (/internal/modules/cjs/loader:255:19)\n at executeUserEntryPoint (/internal/modules/run_main:154:5)\n at (/internal/main/run_main_module:33:47)\n",
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"content": "The user is getting an error because the `server` field in config.json contains a full URL (`https://web-ladd.xuvps.net/`) instead of just a hostname/IP. The `server.listen()` expects a hostname or IP address, not a URL with protocol and path.\n\nThe user likely set `server` to `https://web-ladd.xuvps.net/` in config.json, but `net.Server.listen()` does DNS resolution on the hostname only, not a URL.\n\nI need to update proxy.js to handle this - parse the `server` field if it's a URL, extracting just the hostname.",
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"content": "问题是 `config.json` 中的 `server` 填了完整 URL (`https://web-ladd.xuvps.net/`)，但 `server.listen()` 只接受主机名/IP，不能带协议和路径。\n\n修改 [`proxy.js`](d:\\Users\\xukai\\Desktop\\webjsproxy\\proxy.js) 让它自动处理这种情况："
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"content": "const http = require(\"http\");\nconst https = require(\"https\");\nconst net = require(\"net\");\nconst fs = require(\"fs\");\nconst path = require(\"path\");\nconst { URL } = require(\"url\");\n\n// ============ 配置 ============\nconst configPath = path.join(__dirname, \"config.json\");\nconst config = JSON.parse(fs.readFileSync(configPath, \"utf-8\"));\n\n// 解析 server 字段：支持 IP/主机名 或 完整 URL\nfunction parseServer(val) {\n if (!val) return \"0.0.0.0\";\n if (val.includes(\"://\")) {\n return new URL(val).hostname;\n }\n return val;\n}\n\nconst SERVER = parseServer(config.server);\nconst PORT = config.port || 3128;\nconst AUTH_USERNAME = config.username || \"admin\";\nconst AUTH_PASSWORD = config.password || \"password\";\n\n// ============ Basic Auth 校验 ============\nfunction checkProxyAuth(req) {\n const authHeader = req.headers[\"proxy-authorization\"];\n if (!authHeader || !authHeader.startsWith(\"Basic \")) {\n return false;\n }\n try {\n const decoded = Buffer.from(authHeader.split(\" \")[1], \"base64\").toString();\n const [username, password] = decoded.split(\":\");\n return username === AUTH_USERNAME && password === AUTH_PASSWORD;\n } catch {\n return false;\n }\n}\n\nfunction requireAuth(res) {\n res.writeHead(407, {\n \"Proxy-Authenticate\": 'Basic realm=\"HTTP Proxy\"',\n });\n res.end(\"需要代理认证\");\n}\n\n// ============ 清理请求头 ============\nfunction cleanHeaders(headers) {\n const cleaned = { ...headers };\n // 删除代理相关头，防止泄露\n delete cleaned[\"proxy-authorization\"];\n delete cleaned[\"proxy-connection\"];\n return cleaned;\n}\n\n// ============ 处理 HTTP 请求（http:// 目标） ============\nfunction handleHttpRequest(req, res) {\n if (!checkProxyAuth(req)) {\n return requireAuth(res);\n }\n\n try {\n const targetUrl = new URL(req.url);\n const options = {\n hostname: targetUrl.hostname,\n port: targetUrl.port || 80,\n path: targetUrl.pathname + targetUrl.search,\n method: req.method,\n headers: cleanHeaders(req.headers),\n };\n\n // 修正 Host 头\n options.headers[\"host\"] = targetUrl.host;\n\n const proxyReq = http.request(options, (proxyRes) => {\n res.writeHead(proxyRes.statusCode, proxyRes.headers);\n proxyRes.pipe(res);\n });\n\n proxyReq.on(\"error\", (err) => {\n res.writeHead(502);\n res.end(\"代理请求失败: \" + err.message);\n });\n\n req.pipe(proxyReq);\n } catch (err) {\n res.writeHead(400);\n res.end(\"无效的目标地址: \" + err.message);\n }\n}\n\n// ============ 处理 HTTPS CONNECT 隧道 ============\nfunction handleConnect(req, clientSocket, head) {\n if (!checkProxyAuth(req)) {\n clientSocket.write(\"HTTP/1.1 407 Proxy Auth Required\\r\\n\");\n clientSocket.write('Proxy-Authenticate: Basic realm=\"HTTP Proxy\"\\r\\n');\n clientSocket.write(\"\\r\\n\");\n clientSocket.end();\n return;\n }\n\n const [hostname, port] = req.url.split(\":\");\n const targetPort = parseInt(port) || 443;\n\n const serverSocket = net.connect(targetPort, hostname, () => {\n clientSocket.write(\"HTTP/1.1 200 Connection Established\\r\\n\\r\\n\");\n if (head && head.length > 0) {\n serverSocket.write(head);\n }\n // 双向透传，不解密\n serverSocket.pipe(clientSocket);\n clientSocket.pipe(serverSocket);\n });\n\n serverSocket.on(\"error\", () => {\n clientSocket.write(\"HTTP/1.1 502 Bad Gateway\\r\\n\\r\\n\");\n clientSocket.end();\n });\n\n clientSocket.on(\"error\", () => {\n serverSocket.end();\n });\n}\n\n// ============ 启动代理服务器 ============\nconst server = http.createServer(handleHttpRequest);\nserver.on(\"connect\", handleConnect);\n\nserver.listen(PORT, SERVER, () => {\n console.log(`HTTP Proxy 已启动，监听地址: ${SERVER}:${PORT}`);\n console.log(`认证用户: ${AUTH_USERNAME}`);\n console.log(\"使用方式:\");\n console.log(` curl -x http://${AUTH_USERNAME}:${AUTH_PASSWORD}@${SERVER}:${PORT} http://example.com`);\n console.log(` curl -x http://${AUTH_USERNAME}:${AUTH_PASSWORD}@${SERVER}:${PORT} https://example.com`);\n});\n",
"originalContent": "const http = require(\"http\");\nconst https = require(\"https\");\nconst net = require(\"net\");\nconst fs = require(\"fs\");\nconst path = require(\"path\");\nconst { URL } = require(\"url\");\n\n// ============ 配置 ============\nconst configPath = path.join(__dirname, \"config.json\");\nconst config = JSON.parse(fs.readFileSync(configPath, \"utf-8\"));\n\nconst SERVER = config.server || \"127.0.0.1\";\nconst PORT = config.port || 3128;\nconst AUTH_USERNAME = config.username || \"admin\";\nconst AUTH_PASSWORD = config.password || \"password\";\n\n// ============ Basic Auth 校验 ============\nfunction checkProxyAuth(req) {\n const authHeader = req.headers[\"proxy-authorization\"];\n if (!authHeader || !authHeader.startsWith(\"Basic \")) {\n return false;\n }\n try {\n const decoded = Buffer.from(authHeader.split(\" \")[1], \"base64\").toString();\n const [username, password] = decoded.split(\":\");\n return username === AUTH_USERNAME && password === AUTH_PASSWORD;\n } catch {\n return false;\n }\n}\n\nfunction requireAuth(res) {\n res.writeHead(407, {\n \"Proxy-Authenticate\": 'Basic realm=\"HTTP Proxy\"',\n });\n res.end(\"需要代理认证\");\n}\n\n// ============ 清理请求头 ============\nfunction cleanHeaders(headers) {\n const cleaned = { ...headers };\n // 删除代理相关头，防止泄露\n delete cleaned[\"proxy-authorization\"];\n delete cleaned[\"proxy-connection\"];\n return cleaned;\n}\n\n// ============ 处理 HTTP 请求（http:// 目标） ============\nfunction handleHttpRequest(req, res) {\n if (!checkProxyAuth(req)) {\n return requireAuth(res);\n }\n\n try {\n const targetUrl = new URL(req.url);\n const options = {\n hostname: targetUrl.hostname,\n port: targetUrl.port || 80,\n path: targetUrl.pathname + targetUrl.search,\n method: req.method,\n headers: cleanHeaders(req.headers),\n };\n\n // 修正 Host 头\n options.headers[\"host\"] = targetUrl.host;\n\n const proxyReq = http.request(options, (proxyRes) => {\n res.writeHead(proxyRes.statusCode, proxyRes.headers);\n proxyRes.pipe(res);\n });\n\n proxyReq.on(\"error\", (err) => {\n res.writeHead(502);\n res.end(\"代理请求失败: \" + err.message);\n });\n\n req.pipe(proxyReq);\n } catch (err) {\n res.writeHead(400);\n res.end(\"无效的目标地址: \" + err.message);\n }\n}\n\n// ============ 处理 HTTPS CONNECT 隧道 ============\nfunction handleConnect(req, clientSocket, head) {\n if (!checkProxyAuth(req)) {\n clientSocket.write(\"HTTP/1.1 407 Proxy Auth Required\\r\\n\");\n clientSocket.write('Proxy-Authenticate: Basic realm=\"HTTP Proxy\"\\r\\n');\n clientSocket.write(\"\\r\\n\");\n clientSocket.end();\n return;\n }\n\n const [hostname, port] = req.url.split(\":\");\n const targetPort = parseInt(port) || 443;\n\n const serverSocket = net.connect(targetPort, hostname, () => {\n clientSocket.write(\"HTTP/1.1 200 Connection Established\\r\\n\\r\\n\");\n if (head && head.length > 0) {\n serverSocket.write(head);\n }\n // 双向透传，不解密\n serverSocket.pipe(clientSocket);\n clientSocket.pipe(serverSocket);\n });\n\n serverSocket.on(\"error\", () => {\n clientSocket.write(\"HTTP/1.1 502 Bad Gateway\\r\\n\\r\\n\");\n clientSocket.end();\n });\n\n clientSocket.on(\"error\", () => {\n serverSocket.end();\n });\n}\n\n// ============ 启动代理服务器 ============\nconst server = http.createServer(handleHttpRequest);\nserver.on(\"connect\", handleConnect);\n\nserver.listen(PORT, SERVER, () => {\n console.log(`HTTP Proxy 已启动，监听地址: ${SERVER}:${PORT}`);\n console.log(`认证用户: ${AUTH_USERNAME}`);\n console.log(\"使用方式:\");\n console.log(` curl -x http://${AUTH_USERNAME}:${AUTH_PASSWORD}@${SERVER}:${PORT} http://example.com`);\n console.log(` curl -x http://${AUTH_USERNAME}:${AUTH_PASSWORD}@${SERVER}:${PORT} https://example.com`);\n});\n",
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"content": "已修复。`parseServer()` 会自动从完整 URL 中提取主机名：\n\n```\nhttps://web-ladd.xuvps.net/ → web-ladd.xuvps.net\nhttp://192.168.1.1:8080 → 192.168.1.1\n127.0.0.1 → 127.0.0.1（原样保留）\n```\n\n现在 `config.json` 中 `server` 字段无论填完整 URL 还是纯主机名/IP 都能正常工作。\n\n> 注意：作为本地 HTTP 代理服务，`server` 通常应设为 `0.0.0.0`（监听所有网卡）或 `127.0.0.1`（仅本机）。`https://web-ladd.xuvps.net` 是你 Cloudflare Worker 的地址，与本地代理的监听地址无关。"
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"content": "Uncaught Error Error: listen EADDRNOTAVAIL: address not available 172.67.181.136:3128\n at setupListenHandle (/net:1926:21)\n at listenInCluster (/net:2005:12)\n at (/net:2214:7)\n at onlookupall (/dns:134:8)\n at callbackTrampoline (/internal/async_hooks:130:17)\n --- GETADDRINFOREQWRAP ---\n at init (/internal/inspector_async_hook:18:17)\n at emitInitNative (/internal/async_hooks:206:43)\n at lookup (/dns:236:21)\n at lookupAndListen (/net:2204:7)\n at Server.listen (/net:2106:7)\n at (d:\\Users\\xukai\\Desktop\\webjsproxy\\proxy.js:130:8)\n at (/internal/modules/cjs/loader:1812:14)\n at (/internal/modules/cjs/loader:1943:10)\n at (/internal/modules/cjs/loader:1533:32)\n at (/internal/modules/cjs/loader:1335:12)\n at wrapModuleLoad (/internal/modules/cjs/loader:255:19)\n at executeUserEntryPoint (/internal/modules/run_main:154:5)\n at (/internal/main/run_main_module:33:47)\n",
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"content": "The user put `https://web-ladd.xuvps.net/` in the `server` field of config.json. The code parsed the hostname as `web-ladd.xuvps.net`, which resolved to `172.67.181.136` (a Cloudflare IP). That IP doesn't belong to the user's local machine, so it can't bind to it.\n\nThe issue is that `server` in config.json is being used as the **listen address** for the local proxy server. The user seems to be confusing the Cloudflare Worker URL with the local proxy bind address.\n\nI should clarify: the `server` field should be the local bind address (like `0.0.0.0` or `127.0.0.1`), not the Cloudflare Worker URL. But to make this more user-friendly, let me just change the default and also make it clear in the config.\n\nActually, let me think about what the user actually wants. They originally had the Worker at `https://web-ladd.xuvps.net/`. They want to convert this to a Node.js HTTP proxy. The `server` field in config.json should be the address this local Node.js proxy binds to, NOT the remote worker address.\n\nI should update config.json to use `0.0.0.0` as default (listen on all interfaces) and explain the distinction.",
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"content": "问题在于 `config.json` 的 `server` 字段填的是 Cloudflare Worker 的域名，DNS 解析后得到 `172.67.181.136`（CF 的 IP），这不是你本机的 IP，所以无法绑定。\n\n`server` 字段是**本地代理监听地址**，不是远程 Worker 地址。修改配置："
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"content": "已修复。说明：\n\n- **`server`: `0.0.0.0`** — 本地代理监听所有网卡（本机 + 局域网均可访问）\n - 若只想本机用，改为 `127.0.0.1`\n- **`https://web-ladd.xuvps.net/`** 是你 Cloudflare Worker 的地址，与本地 Node.js 代理的监听地址无关\n\n两者是独立的：\n- Worker（`web-ladd.xuvps.net`）= Web 代理，通过 `?url=` 参数访问\n- Node.js 代理（`0.0.0.0:3128`）= HTTP 代理，浏览器/curl 设置代理地址使用"
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"content": "https://web-ladd.xuvps.net/ 是你 Cloudflare Worker 的地址,本地要连接到这个web proxy ,把地址写入config.json里,然后重构代码",
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"content": "The user wants a different architecture than what I initially built. They don't want a standalone HTTP proxy server. They want:\n\n1. A local Node.js HTTP proxy that clients (browser/curl) connect to\n2. This local proxy forwards requests to the remote Cloudflare Worker web proxy at `https://web-ladd.xuvps.net/`\n3. The Worker URL, username, password should be in config.json\n\nSo the flow is:\n```\nClient (browser/curl) → Local HTTP Proxy (Node.js) → Remote Web Proxy (CF Worker) → Target Website\n```\n\nFor HTTP requests: The local proxy receives a standard HTTP proxy request, then instead of directly connecting to the target, it calls the Worker with `?url=target_url`.\n\nFor HTTPS requests (CONNECT): This is trickier. The Worker is a web proxy that fetches content server-side. For HTTPS, we can't simply tunnel through the Worker because the Worker doesn't support CONNECT. Instead, the local proxy would need to:\n- For HTTP targets: Forward via `?url=http://target`\n- For HTTPS targets: Forward via `?url=https://target`\n\nBut wait, for a proper HTTP proxy handling HTTPS, clients send a CONNECT request expecting a tunnel. If we're going through a web proxy, we can't create a true end-to-end tunnel. Instead, the local proxy would need to act as a man-in-the-middle: it establishes the CONNECT tunnel with the client using a self-signed cert, then forwards the actual request through the Worker.\n\nActually, let me reconsider. There are two approaches:\n\n1. **Simple approach**: The local proxy only works for HTTP-style forwarding through the Worker. For HTTPS, it does the same - fetches via the Worker's `?url=` parameter. But this means the local proxy would need to handle CONNECT by acting as an HTTPS server (MITM), which is complex.\n\n2. **More practical approach**: The local HTTP proxy forwards all requests (both HTTP and HTTPS targets) through the Worker's `?url=` endpoint. For HTTP targets, it's straightforward. For HTTPS CONNECT, we'd need to MITM.\n\nActually, thinking about it more carefully:\n\nFor HTTP proxy requests (like `GET http://example.com`), the local proxy can simply forward to `https://web-ladd.xuvps.net/?url=http://example.com`.\n\nFor HTTPS CONNECT requests (like `CONNECT example.com:443`), the client expects a raw TCP tunnel. We can't create a tunnel through a web proxy. The options are:\n- MITM with a self-signed cert (complex, requires generating certs on-the-fly)\n- Simply reject CONNECT and only support HTTP forwarding\n- Convert the CONNECT into a request through the Worker\n\nThe most practical approach for this use case would be to:\n1. For HTTP requests: forward through Worker's `?url=` parameter\n2. For HTTPS CONNECT: Implement MITM (generate self-signed CA cert, create per-host certs on the fly, intercept HTTPS traffic and forward through the Worker)\n\nBut MITM is very complex. Let me think about a simpler approach...\n\nActually, the simplest practical approach is:\n1. For HTTP targets: Rewrite to `Worker?url=http://target` and forward\n2. For HTTPS CONNECT: Also rewrite - accept the CONNECT, but then send the actual request through the Worker\n\nWait, but the client sends CONNECT and then expects to do TLS handshake. We can't just redirect it.\n\nLet me reconsider the architecture. The user's original Worker is a web proxy. Converting it to an HTTP proxy that uses the Worker as backend means:\n\nFor HTTP requests:\n- Client sends `GET http://example.com/path HTTP/1.1` to local proxy\n- Local proxy sends `GET https://web-ladd.xuvps.net/?url=http://example.com/path` (with Basic Auth) to Worker\n- Worker fetches example.com and returns content\n- Local proxy returns content to client\n\nFor HTTPS requests:\n- This is the hard part. The client sends `CONNECT example.com:443`\n- The client then expects a TCP tunnel to do TLS\n- We can't create a TCP tunnel through a web proxy\n\nOne approach: For HTTPS, we can't use the standard HTTP proxy CONNECT method through a web proxy. We'd need to either:\n1. Implement MITM (complex but fully functional)\n2. Only support HTTP URLs\n3. Use a different approach for HTTPS\n\nActually, I think the most practical and useful approach is to implement MITM. Let me use the `https` module with a dynamically generated certificate. But this requires a CA certificate...\n\nHmm, let me think about this differently. Maybe I should implement it without MITM for now, and for HTTPS CONNECT, just establish a direct TCP tunnel (bypassing the Worker for HTTPS). That way:\n- HTTP traffic goes through the Worker (censored/blocked sites accessible)\n- HTTPS traffic goes direct (no MITM needed, but Worker's bypass isn't available)\n\nOr... I could implement a simple MITM using a self-signed CA. The user would need to trust the CA cert on their machine. Libraries like `node-http-mitm-proxy` do this, but I should keep it simple.\n\nActually, let me re-read the user's request. They said \"本地要连接到这个web proxy\" - they want to connect to this web proxy locally. The key insight is they want the local proxy to route through the Worker.\n\nFor the simplest implementation:\n1. HTTP requests → forward through Worker (`?url=`)\n2. HTTPS CONNECT → We need MITM to intercept and forward through Worker\n\nLet me implement MITM using a dynamically generated CA certificate. I'll use Node.js `crypto` module to generate certs.\n\nActually, this is getting quite complex. Let me implement a simpler but functional version:\n\n1. Generate a root CA cert on first run (saved to disk)\n2. For HTTP requests: Forward through Worker\n3. For HTTPS CONNECT: MITM - accept TLS from client, forward decrypted request through Worker\n\nLet me implement this step by step. I'll need:\n- `forge` or native `crypto` for certificate generation\n- Dynamic cert generation per hostname\n\nUsing native `crypto` would avoid extra dependencies. Node.js 15+ has `crypto.generateKeyPairSync` and `crypto.createSign`.\n\nActually, this is getting really complex for a single file. Let me use a simpler approach:\n\nFor HTTPS, I'll create a local HTTPS server that handles the CONNECT method by:\n1. Accepting CONNECT from client\n2. Creating a local HTTPS server with a dynamically generated cert for that hostname\n3. Having the client connect to that local HTTPS server\n4. The local HTTPS server then forwards requests through the Worker\n\nThis is the standard MITM proxy pattern. Let me implement it.\n\nActually, let me keep it simpler. The user's primary use case seems to be using the Worker as a proxy. Let me implement:\n\n1. HTTP proxy → forward through Worker's `?url=` endpoint\n2. HTTPS CONNECT → direct tunnel (not through Worker), with an option to enable MITM later\n\nWait, but then HTTPS won't go through the Worker, which defeats the purpose if they need to access blocked HTTPS sites.\n\nLet me just implement the MITM approach properly. I'll generate a CA cert and per-host certs.\n\nLet me write this:\n\n```javascript\nconst http = require(\"http\");\nconst https = require(\"https\");\nconst net = require(\"net\");\nconst fs = require(\"fs\");\nconst path = require(\"path\");\nconst crypto = require(\"crypto\");\nconst { URL } = require(\"url\");\n\n// Config\nconst configPath = path.join(__dirname, \"config.json\");\nconst config = JSON.parse(fs.readFileSync(configPath, \"utf-8\"));\nconst WORKER_URL = config.server; // https://web-ladd.xuvps.net/\nconst PORT = config.port || 3128;\nconst AUTH_USERNAME = config.username || \"admin\";\nconst AUTH_PASSWORD = config.password || \"password\";\n\n// Generate CA cert if not exists\n// ...\n```\n\nHmm, generating X.509 certificates with just Node.js crypto is quite verbose. Let me use a more practical approach.\n\nI think the cleanest approach for this specific use case is:\n\n1. **HTTP requests**: Forward through the Worker via `?url=`\n2. **HTTPS CONNECT**: Create a MITM tunnel. Generate a root CA on first run. For each CONNECT request, generate a per-host cert signed by the CA. Accept the client's TLS connection, read the HTTP request inside, forward it through the Worker.\n\nFor cert generation, I need to create self-signed X.509 certs programmatically. This is doable with Node.js `crypto` module but very verbose. A common approach is to use `node-forge` library, but that requires npm install.\n\nLet me think of another approach... Actually, for the HTTPS MITM part, I could:\n1. Accept CONNECT\n2. Instead of creating a real MITM, respond to the client that the connection is established\n3. The client sends TLS ClientHello\n4. We create an HTTPS server on-the-fly with a dynamically generated cert\n5. Read the decrypted HTTP request\n6. Forward through Worker\n\nThis still needs cert generation. Let me just implement it with `crypto` module. It's verbose but has no dependencies.\n\nActually, let me look at this from a different angle. Maybe I should use a simpler approach:\n\nFor both HTTP and HTTPS, the local proxy just sends the request to the Worker:\n- `GET http://example.com` → `GET https://worker/?url=http://example.com`\n- `CONNECT example.com:443` → Instead of MITM, we could just establish a direct tunnel for HTTPS\n\nFor users who want to route HTTPS through the Worker, they'd need MITM. But for many use cases, direct HTTPS tunneling is fine (the Worker would only be needed for HTTP traffic that's blocked).\n\nActually, you know what, let me just implement both modes properly. The MITM approach for HTTPS using a generated CA certificate.\n\nLet me write a complete implementation. I'll use Node.js's `crypto` module for generating certificates. It's doable without external dependencies.\n\nHere's my plan:\n1. On first run, generate a root CA key pair and self-signed certificate, save to `ca-key.pem` and `ca-cert.pem`\n2. For HTTP requests: Forward through Worker's `?url=` endpoint with Basic Auth\n3. For HTTPS CONNECT:\n a. Generate a per-host certificate signed by the CA\n b. Create a temporary HTTPS server\n c. Pipe client connection to this HTTPS server\n d. The HTTPS server decrypts the traffic, we forward the HTTP request through the Worker\n e. Return the Worker's response to the client\n\nLet me code this up.\n\nActually, I just realized that generating X.509 certificates with just the `crypto` module is not straightforward in Node.js. The `crypto` module can do signing and key generation, but creating the actual X.509 certificate structure (DER/PEM encoding with ASN.1) requires either:\n1. Using `node-forge` library\n2. Using `openssl` command line\n3. Using Node.js 15+ `crypto.X509Certificate` (but this is read-only)\n\nThe most practical approach without external dependencies would be to use `openssl` via `child_process` to generate certs. But that requires openssl to be installed.\n\nAlternatively, I could use the `tls` module's `createSecureContext` with dynamically created contexts...\n\nActually, let me reconsider. The simplest and most practical approach is:\n\n1. For HTTP: Forward through Worker ✓\n2. For HTTPS CONNECT: Create a **direct TCP tunnel** (not through Worker)\n\nThis gives a working HTTP proxy that uses the Worker for HTTP traffic, while HTTPS traffic goes direct. This is simpler, more secure (no MITM), and works for most use cases.\n\nIf the user later needs HTTPS to also go through the Worker, we can add MITM as a separate feature.\n\nBut wait, most modern web traffic is HTTPS. If HTTPS goes direct, the Worker is barely used. That seems to defeat the purpose.\n\nOK let me just go ahead and implement the MITM approach. I'll use `openssl` command for cert generation since most systems have it, or fall back to generating certs programmatically.\n\nActually, let me use a much simpler approach. I'll use the `https` module to make requests to the Worker, and for CONNECT handling, I'll:\n\n1. Accept the CONNECT request\n2. Create a local TLS server with a self-signed cert for that specific hostname\n3. Respond `200 Connection Established` to the client\n4. Pipe the client socket through the TLS server\n5. When the TLS server gets a request, forward it through the Worker\n\nFor generating the per-host certificates, I can use Node.js's built-in `crypto.generateKeyPairSync` and create a CSR, then sign it with the CA key. But creating a proper X.509 certificate in pure Node.js without a library is really painful due to ASN.1 encoding.\n\nLet me try a different approach: use `child_process` to call `openssl` for cert generation, and cache the generated certs.\n\nOR, even better, let me just use a single approach: **Forward ALL traffic through the Worker's `?url=` endpoint.** For HTTPS, this means the Worker fetches the content (just like it does now), and the local proxy just returns it. The CONNECT tunnel is unnecessary because we're not tunneling - we're fetching through the Worker.\n\nBut the problem is: when a browser is configured to use an HTTP proxy, it sends `CONNECT` for HTTPS URLs. We can't change that behavior.\n\nSo for CONNECT, we MUST either:\n1. Create a real tunnel (bypassing Worker for HTTPS)\n2. Create a MITM tunnel (intercept HTTPS, forward through Worker)\n\nI think option 2 is what the user needs. Let me implement it properly.\n\nLet me use a lightweight approach: I'll generate the CA cert using `openssl` via child_process (available on Windows via Git Bash or directly), and generate per-host certs similarly.\n\nActually, on Windows 11, `openssl` is typically available. Let me check... Yes, Windows 11 includes OpenSSL or it can be easily installed.\n\nBut relying on `openssl` command is fragile. Let me think of another way...\n\nYou know what, let me just use the `selfsigned` npm package or `node-forge`. But the user might not want npm dependencies.\n\nLet me take yet another approach. I'll structure the code so that:\n\n1. HTTP requests go through the Worker\n2. HTTPS CONNECT creates a direct tunnel\n\nAnd then I'll add a `mitm` option in config.json that, when enabled, will intercept HTTPS through the Worker. For the MITM part, I'll implement it using `openssl` for cert generation, with proper error handling if openssl is not available.\n\nActually, I think I'm overthinking this. Let me just implement it cleanly:\n\n1. Both HTTP and HTTPS traffic goes through the Worker\n2. For HTTP: straightforward rewrite\n3. For HTTPS CONNECT: We accept the CONNECT, create a TLS server with a dynamically generated cert for that host, then when we get the HTTP request inside, we forward it through the Worker's `?url=` parameter\n\nFor the cert generation, I'll use Node.js `crypto` module. It IS possible to generate self-signed certs without external libraries in modern Node.js.\n\nHere's how:\n\n```javascript\nconst { generateKeyPairSync, createSign, createHash } = require('crypto');\n\n// Generate CA cert\nfunction generateCACert() {\n const { publicKey, privateKey } = generateKeyPairSync('rsa', {\n modulusLength: 2048,\n });\n \n // ... need to create X.509 certificate structure\n}\n```\n\nThe problem is creating the X.509 certificate structure. In Node.js, there's no built-in API to create X.509 certificates. You can only read and verify them.\n\nOK, I'll use a pragmatic approach: Use `openssl` via `child_process.execSync` to generate the CA certificate and per-host certificates. This is the most straightforward approach.\n\nLet me write the complete code now.\n\nWait, actually, I just thought of something. There's a Node.js module called `crypto` that has `crypto.generateKeyPairSync` and since Node.js 15, there's `crypto.X509Certificate`. But there's still no way to CREATE an X.509 certificate.\n\nSome people use ASN.1 encoding libraries to build certificates manually, but that's very complex.\n\nThe simplest no-dependency approach is to use `openssl` command. Let me go with that.\n\nActually wait, let me check one more thing. The `tls.createSecureContext` API... it accepts `cert` and `key` options. If I can generate these, I'm good.\n\nLet me just use openssl. On Windows 11, it's available via the system or Git for Windows. I'll check for it and provide clear instructions if it's not found.\n\nHere's my revised plan:\n\n1. config.json contains: `server` (Worker URL), `port`, `username`, `password`\n2. On startup, check for `ca-key.pem` and `ca-cert.pem` in the project directory\n3. If not found, generate them using `openssl`\n4. For HTTP requests: Forward through Worker with Basic Auth\n5. For HTTPS CONNECT:\n a. Generate per-host cert (cached) signed by CA\n b. Create TLS connection with client using this cert\n c. Forward decrypted request through Worker\n d. Return response to client\n\nLet me implement this.\n\nHmm, actually, I want to reconsider once more whether MITM is really necessary. The user said \"本地要连接到这个web proxy\" - they want the local proxy to connect to the web proxy. If they're using curl or a tool that supports web proxies directly, they could just use the Worker URL directly. The point of converting to an HTTP proxy is so that tools that only support HTTP proxies can use it.\n\nFor most tools (like browsers, curl with `-x`), HTTPS is handled via CONNECT. Without MITM, HTTPS traffic would go direct, which means it doesn't benefit from the Worker proxy.\n\nFor the user's use case (likely accessing blocked sites from China), they NEED HTTPS to go through the Worker too. So MITM is essential.\n\nOK let me implement this properly with openssl-based cert generation.\n\nActually, I want to reconsider one more time. There might be a simpler approach for HTTPS:\n\nInstead of MITM, we could handle CONNECT by:\n1. Accept the CONNECT request from the client\n2. Instead of creating a tunnel or MITM, we fetch the target through the Worker\n3. We create a fake TLS connection to the client, pretending to be the target server\n\nWait, that IS MITM. The only way to \"pretend to be the target server\" is with a certificate for that domain, which requires a CA that the client trusts.\n\nOK, let me just implement it. Here's the final approach:\n\n```javascript\n// proxy.js - Local HTTP Proxy that forwards through Cloudflare Worker\n\nconst http = require('http');\nconst https = require('https');\nconst net = require('net');\nconst tls = require('tls');\nconst fs = require('fs');\nconst path = require('path');\nconst crypto = require('crypto');\nconst { execSync } = require('child_process');\nconst { URL } = require('url');\n\n// Load config\nconst config = JSON.parse(fs.readFileSync(path.join(__dirname, 'config.json'), 'utf-8'));\nconst WORKER_URL = config.server.replace(/\\/$/, ''); // Remove trailing slash\nconst PORT = config.port || 3128;\nconst AUTH_USERNAME = config.username;\nconst AUTH_PASSWORD = config.password;\n\n// CA certificate management\nconst CA_KEY_PATH = path.join(__dirname, 'ca-key.pem');\nconst CA_CERT_PATH = path.join(__dirname, 'ca-cert.pem');\n\nfunction ensureCA() {\n if (fs.existsSync(CA_KEY_PATH) && fs.existsSync(CA_CERT_PATH)) return;\n \n // Check openssl availability\n try {\n execSync('openssl version', { stdio: 'pipe' });\n } catch {\n console.error('Error: openssl not found. Please install OpenSSL to generate CA certificate.');\n process.exit(1);\n }\n \n // Generate CA key and cert\n execSync(`openssl req -x509 -newkey rsa:2048 -keyout \"${CA_KEY_PATH}\" -out \"${CA_CERT_PATH}\" -days 3650 -nodes -subj \"/CN=WebProxy CA\"`, { stdio: 'pipe' });\n console.log(`CA certificate generated: ${CA_CERT_PATH}`);\n console.log('Please trust this CA certificate in your system/browser.');\n}\n\n// Cache for per-host certificates\nconst certCache = new Map();\n\nfunction getHostCert(hostname) {\n if (certCache.has(hostname)) return certCache.get(hostname);\n \n const keyPath = path.join(__dirname, 'certs', `${hostname}-key.pem`);\n const certPath = path.join(__dirname, 'certs', `${hostname}-cert.pem`);\n \n if (!fs.existsSync(keyPath) || !fs.existsSync(certPath)) {\n const certsDir = path.join(__dirname, 'certs');\n if (!fs.existsSync(certsDir)) fs.mkdirSync(certsDir, { recursive: true });\n \n // Generate key and CSR\n execSync(`openssl req -newkey rsa:2048 -keyout \"${keyPath}\" -out \"${path.join(certsDir, hostname + '-csr.pem')}\" -nodes -subj \"/CN=${hostname}\"`, { stdio: 'pipe' });\n \n // Sign with CA\n execSync(`openssl x509 -req -in \"${path.join(certsDir, hostname + '-csr.pem')}\" -CA \"${CA_CERT_PATH}\" -CAkey \"${CA_KEY_PATH}\" -CAcreateserial -out \"${certPath}\" -days 365`, { stdio: 'pipe' });\n }\n \n const result = {\n key: fs.readFileSync(keyPath),\n cert: fs.readFileSync(certPath),\n };\n certCache.set(hostname, result);\n return result;\n}\n\n// Forward request through Worker\nfunction forwardThroughWorker(method, targetUrl, headers, body) {\n const workerUrl = `${WORKER_URL}/?url=${encodeURIComponent(targetUrl)}`;\n \n // Build auth header\n const auth = Buffer.from(`${AUTH_USERNAME}:${AUTH_PASSWORD}`).toString('base64');\n \n const options = {\n method: method,\n headers: {\n ...headers,\n 'Authorization': `Basic ${auth}`,\n },\n };\n \n // Remove proxy-specific headers\n delete options.headers['proxy-authorization'];\n delete options.headers['proxy-connection'];\n \n return new Promise((resolve, reject) => {\n const req = https.request(workerUrl, options, (res) => {\n resolve(res);\n });\n req.on('error', reject);\n if (body) req.write(body);\n req.end();\n });\n}\n\n// HTTP request handler\nfunction handleHttpRequest(req, res) {\n // Auth check\n if (!checkProxyAuth(req)) {\n return requireAuth(res);\n }\n \n const targetUrl = req.url; // Full URL for HTTP proxy requests\n \n // Collect request body\n const bodyChunks = [];\n req.on('data', chunk => bodyChunks.push(chunk));\n req.on('end', async () => {\n const body = Buffer.concat(bodyChunks);\n \n try {\n const proxyRes = await forwardThroughWorker(req.method, targetUrl, req.headers, body.length > 0 ? body : null);\n res.writeHead(proxyRes.statusCode, proxyRes.headers);\n proxyRes.pipe(res);\n } catch (err) {\n res.writeHead(502);\n res.end('代理请求失败: ' + err.message);\n }\n });\n}\n\n// HTTPS CONNECT handler (MITM)\nfunction handleConnect(req, clientSocket, head) {\n if (!checkProxyAuth(req)) {\n clientSocket.write('HTTP/1.1 407 Proxy Auth Required\\r\\n');\n clientSocket.write('Proxy-Authenticate: Basic realm=\"HTTP Proxy\"\\r\\n');\n clientSocket.write('\\r\\n');\n clientSocket.end();\n return;\n }\n \n const [hostname, port] = req.url.split(':');\n \n try {\n const hostCert = getHostCert(hostname);\n \n // Create TLS server to handle the client's HTTPS connection\n const tlsServer = new tls.TLSSocket(clientSocket, {\n isServer: true,\n key: hostCert.key,\n cert: hostCert.cert,\n });\n \n // ... this doesn't work easily. Need a different approach.\n } catch (err) {\n clientSocket.write('HTTP/1.1 502 Bad Gateway\\r\\n\\r\\n');\n clientSocket.end();\n }\n}\n```\n\nHmm, the MITM approach with TLS is getting complicated. The issue is that `tls.TLSSocket` as a server needs to be wrapped properly.\n\nA better approach for MITM proxy:\n\n1. Accept CONNECT\n2. Respond `200 Connection Established`\n3. Create a local HTTPS server on a random port with the host cert\n4. Connect the client socket to this HTTPS server\n5. The HTTPS server handles the actual HTTP requests, forwarding them through the Worker\n\nActually, the standard approach is:\n\n```javascript\nfunction handleConnect(req, clientSocket, head) {\n // 1. Respond 200 to client\n clientSocket.write('HTTP/1.1 200 Connection Established\\r\\n\\r\\n');\n \n // 2. Create a TLS socket wrapping the client socket\n const hostCert = getHostCert(hostname);\n const tlsSocket = new tls.TLSSocket(clientSocket, {\n isServer: true,\n key: hostCert.key,\n cert: hostCert.cert,\n });\n \n // 3. Now tlsSocket is a decrypted stream - we can read HTTP requests from it\n // We need to parse HTTP requests from this stream and forward through Worker\n}\n```\n\nBut parsing HTTP from a raw stream is complex. We'd need an HTTP parser.\n\nA cleaner approach is to create a temporary HTTPS server and pipe through it:\n\n```javascript\nfunction handleConnect(req, clientSocket, head) {\n const [hostname, port] = req.url.split(':');\n const hostCert = getHostCert(hostname);\n \n const fakeServer = https.createServer({\n key: hostCert.key,\n cert: hostCert.cert,\n }, (req, res) => {\n // This is the decrypted HTTP request\n // Forward through Worker\n const targetUrl = `https://${hostname}:${port}${req.url}`;\n // ... forward and respond\n });\n \n // Respond to client\n clientSocket.write('HTTP/1.1 200 Connection Established\\r\\n\\r\\n');\n \n // Pipe client through the fake server\n // ... this is tricky\n}\n```\n\nActually, the standard MITM proxy pattern uses `net.createServer` or `tls.createServer` and pipes the client socket through it. Let me look at how existing MITM proxies work.\n\nThe typical pattern:\n\n1. `clientSocket.write('HTTP/1.1 200 Connection Established\\r\\n\\r\\n')`\n2. Create a new `tls.TLSSocket` wrapping the clientSocket with the host cert\n3. The `tls.TLSSocket` emits data that is the decrypted HTTP request\n4. Parse the HTTP request and forward through Worker\n\nFor step 3-4, I need to handle HTTP parsing. I can use Node.js's built-in HTTP parser by creating a fake HTTP server and emitting the data to it.\n\nActually, there's a neat trick. I can create a local `https.Server` and pipe the TLS-decrypted stream through it. Let me use this approach:\n\n```javascript\nfunction handleConnect(req, clientSocket, head) {\n const [hostname, port] = req.url.split(':');\n const hostCert = getHostCert(hostname);\n \n // Create a temporary HTTPS server for this connection\n const tempServer = https.createServer({\n key: hostCert.key,\n cert: hostCert.cert,\n });\n \n tempServer.on('request', (req, res) => {\n // Forward through Worker\n const targetUrl = `https://${hostname}${req.url}`;\n forwardThroughWorker(req.method, targetUrl, req.headers, ...).then(...)\n });\n \n // Respond to CONNECT\n clientSocket.write('HTTP/1.1 200 Connection Established\\r\\n\\r\\n');\n \n // Create TLS connection with client\n const tlsSocket = new tls.TLSSocket(clientSocket, {\n isServer: true,\n secureContext: tls.createSecureContext({\n key: hostCert.key,\n cert: hostCert.cert,\n }),\n });\n \n // ... hmm, how to feed tlsSocket to tempServer?\n}\n```\n\nThis is getting complicated. Let me use a different approach that I know works well. I'll create the temporary HTTPS server on a random port and connect the client socket to it via a pipe.\n\nActually, the simplest working approach I've seen for MITM proxies is:\n\n```javascript\nfunction handleConnect(req, clientSocket, head) {\n const [hostname, port] = req.url.split(':');\n const hostCert = getHostCert(hostname);\n \n // Create a temporary HTTPS server\n const fakeServer = https.createServer({\n key: hostCert.key,\n cert: hostCert.cert,\n // SNICallback for SNI\n }, handleFakeRequest);\n \n fakeServer.listen(0, () => {\n const fakePort = fakeServer.address().port;\n \n // Connect to the fake server\n const fakeSocket = net.connect(fakePort, '127.0.0.1', () => {\n // Tell client the tunnel is established\n clientSocket.write('HTTP/1.1 200 Connection Established\\r\\n\\r\\n');\n \n // Bidirectional pipe: client <-> fake server\n clientSocket.pipe(fakeSocket);\n fakeSocket.pipe(clientSocket);\n \n // Send any buffered data\n if (head.length > 0) fakeSocket.write(head);\n });\n \n fakeSocket.on('error', () => clientSocket.end());\n clientSocket.on('error', () => fakeSocket.end());\n });\n}\n```\n\nWait, this creates a local HTTPS server on a random port, then connects the client to it via a TCP pipe. The HTTPS server handles the TLS, and the request handler gets the decrypted HTTP request. This should work!\n\nBut there's an issue: we're piping the client's raw socket to the fake server's socket. The client will do a TLS handshake, and the fake server expects a TLS handshake. So this should work!\n\nLet me refine this approach. The `handleFakeRequest` function would need to know the original hostname to construct the target URL for forwarding through the Worker.\n\nI'll track this by hostname:\n\n```javascript\nlet currentHostname = null;\n\nfunction handleConnect(req, clientSocket, head) {\n const [hostname, port] = req.url.split(':');\n \n // ...\n \n const fakeServer = https.createServer({\n key: hostCert.key,\n cert: hostCert.cert,\n }, (fakeReq, fakeRes) => {\n // fakeReq is the decrypted HTTP request\n const targetUrl = `https://${hostname}:${port}${fakeReq.url}`;\n \n // Forward through Worker\n // ...\n });\n}\n```\n\nThis should work. Each CONNECT request gets its own temporary HTTPS server with the right cert. The request handler captures the hostname in closure.\n\nLet me write the complete implementation now.\n\nActually, there's one more consideration. For each CONNECT request, we're creating a new HTTPS server. This is a bit heavy. We could reuse servers or use a different approach. But for simplicity and correctness, let's do it this way.\n\nAlso, I need to make sure to clean up the temporary server when the connection is done.\n\nLet me write the final code:\n\n```javascript\nconst http = require(\"http\");\nconst https = require(\"https\");\nconst net = require(\"net\");\nconst tls = require(\"tls\");\nconst fs = require(\"fs\");\nconst path = require(\"path\");\nconst { execSync } = require(\"child_process\");\nconst { URL } = require(\"url\");\n\n// ============ 配置 ============\nconst config = JSON.parse(fs.readFileSync(path.join(__dirname, \"config.json\"), \"utf-8\"));\nconst WORKER_URL = (config.server || \"\").replace(/\\/+$/, \"\");\nconst PORT = config.port || 3128;\nconst AUTH_USERNAME = config.username || \"admin\";\nconst AUTH_PASSWORD = config.password || \"password\";\n\n// ============ CA 证书管理 ============\nconst CA_KEY_PATH = path.join(__dirname, \"ca-key.pem\");\nconst CA_CERT_PATH = path.join(__dirname, \"ca-cert.pem\");\n\nfunction ensureCA() {\n if (fs.existsSync(CA_KEY_PATH) && fs.existsSync(CA_CERT_PATH)) return;\n \n try {\n execSync(\"openssl version\", { stdio: \"pipe\" });\n } catch {\n console.error(\"错误: 未找到 openssl，请安装 OpenSSL 以生成 CA 证书\");\n process.exit(1);\n }\n \n execSync(\n `openssl req -x509 -newkey rsa:2048 -keyout \"${CA_KEY_PATH}\" -out \"${CA_CERT_PATH}\" -days 3650 -nodes -subj \"/CN=WebProxy CA\"`,\n { stdio: \"pipe\" }\n );\n console.log(`CA 证书已生成: ${CA_CERT_PATH}`);\n console.log(\"请将此 CA 证书导入系统/浏览器信任列表\");\n}\n\n// ============ 主机证书缓存 ============\nconst certCache = new Map();\nconst CERTS_DIR = path.join(__dirname, \"certs\");\n\nfunction getHostCert(hostname) {\n if (certCache.has(hostname)) return certCache.get(hostname);\n \n if (!fs.existsSync(CERTS_DIR)) fs.mkdirSync(CERTS_DIR, { recursive: true });\n \n const keyPath = path.join(CERTS_DIR, `${hostname}-key.pem`);\n const certPath = path.join(CERTS_DIR, `${hostname}-cert.pem`);\n const csrPath = path.join(CERTS_DIR, `${hostname}-csr.pem`);\n \n if (!fs.existsSync(keyPath) || !fs.existsSync(certPath)) {\n // Generate key + CSR\n execSync(\n `openssl req -newkey rsa:2048 -keyout \"${keyPath}\" -out \"${csrPath}\" -nodes -subj \"/CN=${hostname}\"`,\n { stdio: \"pipe\" }\n );\n // Sign with CA\n execSync(\n `openssl x509 -req -in \"${csrPath}\" -CA \"${CA_CERT_PATH}\" -CAkey \"${CA_KEY_PATH}\" -CAcreateserial -out \"${certPath}\" -days 365`,\n { stdio: \"pipe\" }\n );\n }\n \n const result = {\n key: fs.readFileSync(keyPath),\n cert: fs.readFileSync(certPath),\n };\n certCache.set(hostname, result);\n return result;\n}\n\n// ============ Basic Auth 校验 ============\nfunction checkProxyAuth(req) {\n const authHeader = req.headers[\"proxy-authorization\"];\n if (!authHeader || !authHeader.startsWith(\"Basic \")) return false;\n try {\n const decoded = Buffer.from(authHeader.split(\" \")[1], \"base64\").toString();\n const [username, password] = decoded.split(\":\");\n return username === AUTH_USERNAME && password === AUTH_PASSWORD;\n } catch {\n return false;\n }\n}\n\nfunction requireAuth(res) {\n res.writeHead(407, { \"Proxy-Authenticate\": 'Basic realm=\"HTTP Proxy\"' });\n res.end(\"需要代理认证\");\n}\n\n// ============ 通过 Worker 转发请求 ============\nfunction forwardThroughWorker(method, targetUrl, headers, body) {\n const workerUrl = `${WORKER_URL}/?url=${encodeURIComponent(targetUrl)}`;\n const auth = Buffer.from(`${AUTH_USERNAME}:${AUTH_PASSWORD}`).toString(\"base64\");\n \n const cleanHeaders = { ...headers };\n delete cleanHeaders[\"proxy-authorization\"];\n delete cleanHeaders[\"proxy-connection\"];\n delete cleanHeaders[\"connection\"];\n cleanHeaders[\"authorization\"] = `Basic ${auth}`;\n \n return new Promise((resolve, reject) => {\n const req = https.request(workerUrl, { method, headers: cleanHeaders }, resolve);\n req.on(\"error\", reject);\n if (body) req.write(body);\n req.end();\n });\n}\n\n// ============ 处理 HTTP 请求 ============\nfunction handleHttpRequest(req, res) {\n if (!checkProxyAuth(req)) return requireAuth(res);\n \n const bodyChunks = [];\n req.on(\"data\", chunk => bodyChunks.push(chunk));\n req.on(\"end\", async () => {\n const body = bodyChunks.length > 0 ? Buffer.concat(bodyChunks) : null;\n try {\n const proxyRes = await forwardThroughWorker(req.method, req.url, req.headers, body);\n res.writeHead(proxyRes.statusCode, proxyRes.headers);\n proxyRes.pipe(res);\n } catch (err) {\n if (!res.headersSent) res.writeHead(502);\n res.end(\"代理请求失败: \" + err.message);\n }\n });\n}\n\n// ============ 处理 HTTPS CONNECT (MITM) ============\nfunction handleConnect(req, clientSocket, head) {\n if (!checkProxyAuth(req)) {\n clientSocket.write(\"HTTP/1.1 407 Proxy Auth Required\\r\\n\");\n clientSocket.write('Proxy-Authenticate: Basic realm=\"HTTP Proxy\"\\r\\n');\n clientSocket.write(\"\\r\\n\");\n clientSocket.end();\n return;\n }\n \n const [hostname, portStr] = req.url.split(\":\");\n const port = parseInt(portStr) || 443;\n \n try {\n const hostCert = getHostCert(hostname);\n \n // 创建临时 HTTPS 服务器处理 MITM\n const fakeServer = https.createServer({\n key: hostCert.key,\n cert: hostCert.cert,\n }, async (fakeReq, fakeRes) => {\n const targetUrl = `https://${hostname}:${port}${fakeReq.url}`;\n \n // 收集请求体\n const bodyChunks = [];\n fakeReq.on(\"data\", chunk => bodyChunks.push(chunk));\n fakeReq.on(\"end\", async () => {\n const body = bodyChunks.length > 0 ? Buffer.concat(bodyChunks) : null;\n try {\n const proxyRes = await forwardThroughWorker(fakeReq.method, targetUrl, fakeReq.headers, body);\n fakeRes.writeHead(proxyRes.statusCode, proxyRes.headers);\n proxyRes.pipe(fakeRes);\n } catch (err) {\n if (!fakeRes.headersSent) fakeRes.writeHead(502);\n fakeRes.end(\"代理请求失败: \" + err.message);\n }\n });\n });\n \n fakeServer.listen(0, \"127.0.0.1\", () => {\n const fakePort = fakeServer.address().port;\n \n // 连接到临时 HTTPS 服务器\n const fakeSocket = net.connect(fakePort, \"127.0.0.1\", () => {\n // 告知客户端隧道已建立\n clientSocket.write(\"HTTP/1.1 200 Connection Established\\r\\n\\r\\n\");\n \n // 双向管道\n clientSocket.pipe(fakeSocket);\n fakeSocket.pipe(clientSocket);\n \n if (head && head.length > 0) fakeSocket.write(head);\n });\n \n const cleanup = () => {\n fakeSocket.destroy();\n clientSocket.destroy();\n fakeServer.close();\n };\n \n fakeSocket.on(\"error\", cleanup);\n clientSocket.on(\"error\", cleanup);\n fakeSocket.on(\"close\", cleanup);\n });\n } catch (err) {\n clientSocket.write(\"HTTP/1.1 502 Bad Gateway\\r\\n\\r\\n\");\n clientSocket.end();\n }\n}\n\n// ============ 启动代理服务器 ============\nensureCA();\n\nconst server = http.createServer(handleHttpRequest);\nserver.on(\"connect\", handleConnect);\n\nserver.listen(PORT, \"0.0.0.0\", () => {\n console.log(`HTTP Proxy 已启动，监听端口: ${PORT}`);\n console.log(`Worker 地址: ${WORKER_URL}`);\n console.log(`认证用户: ${AUTH_USERNAME}`);\n console.log(`CA 证书: ${CA_CERT_PATH} (请导入信任列表)`);\n});\n```\n\nWait, I realize there's still a problem. The `config.json` server field previously was the listen address, but now it's the Worker URL. Let me update the config.json properly.\n\nAlso, I need to think about whether the `server` field should be renamed or if I should add a new field. Looking at the user's request: \"将server url ,username,password 端口转换为config.json\" and then \"https://web-ladd.xuvps.net/ 是你 Cloudflare Worker 的地址,本地要连接到这个web proxy ,把地址写入config.json里\"\n\nSo `server` should be the Worker URL. The listen address can be a separate field or hardcoded. Let me add a `listen` field to config.json.\n\nLet me finalize the config.json:\n\n```json\n{\n \"server\": \"https://web-ladd.xuvps.net\",\n \"port\": 3128,\n \"username\": \"xukaiming\",\n \"password\": \"Wdpbby8j\"\n}\n```\n\nAnd the proxy listens on `0.0.0.0:${port}` by default.\n\nOK let me write the complete implementation now. Let me be careful about:\n\n1. The config.json format\n2. The proxy.js complete rewrite\n3. Making sure all the logic works\n\nOne more thing - I need to handle the Worker response correctly. The Worker returns the proxied content, but it also sets CORS headers. The proxy should pass through the response properly.\n\nAlso, for the HTTPS MITM, there's a subtlety: the `fakeReq.headers` will include headers from the client's decrypted request. Some of these (like `host`) should be preserved. The `forwardThroughWorker` function will add the auth header and forward to the Worker, which will then fetch from the actual target.\n\nLet me also think about WebSocket upgrades and other edge cases... For now, let me keep it simple and handle basic HTTP/HTTPS.\n\nLet me write the final code now. I'll be careful and comprehensive.\n\nActually, one concern: the Worker currently uses `?url=` parameter. When we forward through the Worker, we need to encode the target URL properly. Also, the Worker currently does Basic Auth - it expects the `Authorization` header. We need to make sure the Worker auth matches.\n\nWait, the Worker's auth is configured in KV storage on the Cloudflare side. The local proxy needs to send the correct credentials to the Worker. The `username` and `password` in config.json should be the credentials for the Worker's Basic Auth.\n\nThis is correct - the same credentials are used both for the local proxy auth (clients authenticating to the local proxy) and for the Worker auth (local proxy authenticating to the Worker).\n\nOK, let me finalize the implementation. I'll write a complete, clean proxy.js.",
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"content": "const http = require(\"http\");\nconst https = require(\"https\");\nconst net = require(\"net\");\nconst tls = require(\"tls\");\nconst fs = require(\"fs\");\nconst path = require(\"path\");\nconst { execSync } = require(\"child_process\");\nconst { URL } = require(\"url\");\n\n// ============ 配置 ============\nconst config = JSON.parse(\n fs.readFileSync(path.join(__dirname, \"config.json\"), \"utf-8\")\n);\nconst WORKER_URL = (config.server || \"\").replace(/\\/+$/, \"\");\nconst PORT = config.port || 3128;\nconst AUTH_USERNAME = config.username || \"admin\";\nconst AUTH_PASSWORD = config.password || \"password\";\n\n// ============ CA 证书管理 ============\nconst CA_KEY_PATH = path.join(__dirname, \"ca-key.pem\");\nconst CA_CERT_PATH = path.join(__dirname, \"ca-cert.pem\");\n\nfunction ensureCA() {\n if (fs.existsSync(CA_KEY_PATH) && fs.existsSync(CA_CERT_PATH)) return;\n\n try {\n execSync(\"openssl version\", { stdio: \"pipe\" });\n } catch {\n console.error(\"错误: 未找到 openssl，请安装 OpenSSL 以生成 CA 证书\");\n console.error(\"Windows: 下载 https://slproweb.com/products/Win32OpenSSL.html\");\n process.exit(1);\n }\n\n execSync(\n `openssl req -x509 -newkey rsa:2048 -keyout \"${CA_KEY_PATH}\" -out \"${CA_CERT_PATH}\" -days 3650 -nodes -subj \"/CN=WebProxy CA\"`,\n { stdio: \"pipe\" }\n );\n console.log(`CA 证书已生成: ${CA_CERT_PATH}`);\n console.log(\"请将此 CA 证书导入系统/浏览器信任列表以支持 HTTPS 代理\");\n}\n\nensureCA();\n\nconst CA_KEY = fs.readFileSync(CA_KEY_PATH);\nconst CA_CERT = fs.readFileSync(CA_CERT_PATH);\n\n// ============ 主机证书缓存 ============\nconst certCache = new Map();\nconst CERTS_DIR = path.join(__dirname, \"certs\");\n\nfunction getHostCert(hostname) {\n if (certCache.has(hostname)) return certCache.get(hostname);\n\n if (!fs.existsSync(CERTS_DIR)) fs.mkdirSync(CERTS_DIR, { recursive: true });\n\n const keyPath = path.join(CERTS_DIR, `${hostname}-key.pem`);\n const certPath = path.join(CERTS_DIR, `${hostname}-cert.pem`);\n const csrPath = path.join(CERTS_DIR, `${hostname}-csr.pem`);\n\n if (!fs.existsSync(keyPath) || !fs.existsSync(certPath)) {\n execSync(\n `openssl req -newkey rsa:2048 -keyout \"${keyPath}\" -out \"${csrPath}\" -nodes -subj \"/CN=${hostname}\"`,\n { stdio: \"pipe\" }\n );\n execSync(\n `openssl x509 -req -in \"${csrPath}\" -CA \"${CA_CERT_PATH}\" -CAkey \"${CA_KEY_PATH}\" -CAcreateserial -out \"${certPath}\" -days 365`,\n { stdio: \"pipe\" }\n );\n }\n\n const result = { key: fs.readFileSync(keyPath), cert: fs.readFileSync(certPath) };\n certCache.set(hostname, result);\n return result;\n}\n\n// ============ Basic Auth 校验 ============\nfunction checkProxyAuth(req) {\n const authHeader = req.headers[\"proxy-authorization\"];\n if (!authHeader || !authHeader.startsWith(\"Basic \")) return false;\n try {\n const decoded = Buffer.from(authHeader.split(\" \")[1], \"base64\").toString();\n const [username, password] = decoded.split(\":\");\n return username === AUTH_USERNAME && password === AUTH_PASSWORD;\n } catch {\n return false;\n }\n}\n\nfunction requireAuth(res) {\n res.writeHead(407, { \"Proxy-Authenticate\": 'Basic realm=\"HTTP Proxy\"' });\n res.end(\"需要代理认证\");\n}\n\nfunction requireAuthConnect(socket) {\n socket.write(\"HTTP/1.1 407 Proxy Auth Required\\r\\n\");\n socket.write('Proxy-Authenticate: Basic realm=\"HTTP Proxy\"\\r\\n');\n socket.write(\"\\r\\n\");\n socket.end();\n}\n\n// ============ 通过 Worker 转发请求 ============\nfunction forwardThroughWorker(method, targetUrl, headers, body) {\n const workerUrl = `${WORKER_URL}/?url=${encodeURIComponent(targetUrl)}`;\n const auth = Buffer.from(`${AUTH_USERNAME}:${AUTH_PASSWORD}`).toString(\"base64\");\n\n const cleanHeaders = { ...headers };\n delete cleanHeaders[\"proxy-authorization\"];\n delete cleanHeaders[\"proxy-connection\"];\n delete cleanHeaders[\"connection\"];\n cleanHeaders[\"authorization\"] = `Basic ${auth}`;\n\n return new Promise((resolve, reject) => {\n const req = https.request(workerUrl, { method, headers: cleanHeaders }, resolve);\n req.on(\"error\", reject);\n if (body) req.write(body);\n req.end();\n });\n}\n\n// ============ 处理 HTTP 请求（转发到 Worker） ============\nfunction handleHttpRequest(req, res) {\n if (!checkProxyAuth(req)) return requireAuth(res);\n\n const bodyChunks = [];\n req.on(\"data\", (chunk) => bodyChunks.push(chunk));\n req.on(\"end\", async () => {\n const body = bodyChunks.length > 0 ? Buffer.concat(bodyChunks) : null;\n try {\n const proxyRes = await forwardThroughWorker(\n req.method,\n req.url,\n req.headers,\n body\n );\n res.writeHead(proxyRes.statusCode, proxyRes.headers);\n proxyRes.pipe(res);\n } catch (err) {\n if (!res.headersSent) res.writeHead(502);\n res.end(\"代理请求失败: \" + err.message);\n }\n });\n}\n\n// ============ 处理 HTTPS CONNECT（MITM 拦截后转发到 Worker） ============\nfunction handleConnect(req, clientSocket, head) {\n if (!checkProxyAuth(req)) return requireAuthConnect(clientSocket);\n\n const [hostname, portStr] = req.url.split(\":\");\n const port = parseInt(portStr) || 443;\n\n try {\n const hostCert = getHostCert(hostname);\n\n // 创建临时 HTTPS 服务器，拦截客户端 TLS 流量\n const fakeServer = https.createServer(\n { key: hostCert.key, cert: hostCert.cert },\n (fakeReq, fakeRes) => {\n const targetUrl = `https://${hostname}:${port}${fakeReq.url}`;\n\n const bodyChunks = [];\n fakeReq.on(\"data\", (chunk) => bodyChunks.push(chunk));\n fakeReq.on(\"end\", async () => {\n const body =\n bodyChunks.length > 0 ? Buffer.concat(bodyChunks) : null;\n try {\n const proxyRes = await forwardThroughWorker(\n fakeReq.method,\n targetUrl,\n fakeReq.headers,\n body\n );\n fakeRes.writeHead(proxyRes.statusCode, proxyRes.headers);\n proxyRes.pipe(fakeRes);\n } catch (err) {\n if (!fakeRes.headersSent) fakeRes.writeHead(502);\n fakeRes.end(\"代理请求失败: \" + err.message);\n }\n });\n }\n );\n\n fakeServer.listen(0, \"127.0.0.1\", () => {\n const fakePort = fakeServer.address().port;\n\n // 连接到临时 HTTPS 服务器\n const fakeSocket = net.connect(fakePort, \"127.0.0.1\", () => {\n // 告知客户端隧道已建立\n clientSocket.write(\"HTTP/1.1 200 Connection Established\\r\\n\\r\\n\");\n\n // 双向管道：客户端 ←→ 临时 HTTPS 服务器\n clientSocket.pipe(fakeSocket);\n fakeSocket.pipe(clientSocket);\n\n if (head && head.length > 0) fakeSocket.write(head);\n });\n\n const cleanup = () => {\n fakeSocket.destroy();\n clientSocket.destroy();\n fakeServer.close();\n };\n\n fakeSocket.on(\"error\", cleanup);\n clientSocket.on(\"error\", cleanup);\n fakeSocket.on(\"close\", cleanup);\n });\n } catch (err) {\n clientSocket.write(\"HTTP/1.1 502 Bad Gateway\\r\\n\\r\\n\");\n clientSocket.end();\n }\n}\n\n// ============ 启动代理服务器 ============\nconst server = http.createServer(handleHttpRequest);\nserver.on(\"connect\", handleConnect);\n\nserver.listen(PORT, \"0.0.0.0\", () => {\n console.log(`HTTP Proxy 已启动，监听: 0.0.0.0:${PORT}`);\n console.log(`Worker 地址: ${WORKER_URL}`);\n console.log(`认证用户: ${AUTH_USERNAME}`);\n console.log(`CA 证书: ${CA_CERT_PATH}`);\n console.log(\"\\n使用方式:\");\n console.log(\n ` curl -x http://${AUTH_USERNAME}:${AUTH_PASSWORD}@127.0.0.1:${PORT} http://example.com`\n );\n console.log(\n ` curl -x http://${AUTH_USERNAME}:${AUTH_PASSWORD}@127.0.0.1:${PORT} https://example.com`\n );\n console.log(\"\\nHTTPS 代理需将 CA 证书导入信任列表:\");\n console.log(` 证书路径: ${CA_CERT_PATH}`);\n});\n"
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"originalContent": "const http = require(\"http\");\nconst https = require(\"https\");\nconst net = require(\"net\");\nconst fs = require(\"fs\");\nconst path = require(\"path\");\nconst { URL } = require(\"url\");\n\n// ============ 配置 ============\nconst configPath = path.join(__dirname, \"config.json\");\nconst config = JSON.parse(fs.readFileSync(configPath, \"utf-8\"));\n\n// 解析 server 字段：支持 IP/主机名 或 完整 URL\nfunction parseServer(val) {\n if (!val) return \"0.0.0.0\";\n if (val.includes(\"://\")) {\n return new URL(val).hostname;\n }\n return val;\n}\n\nconst SERVER = parseServer(config.server);\nconst PORT = config.port || 3128;\nconst AUTH_USERNAME = config.username || \"admin\";\nconst AUTH_PASSWORD = config.password || \"password\";\n\n// ============ Basic Auth 校验 ============\nfunction checkProxyAuth(req) {\n const authHeader = req.headers[\"proxy-authorization\"];\n if (!authHeader || !authHeader.startsWith(\"Basic \")) {\n return false;\n }\n try {\n const decoded = Buffer.from(authHeader.split(\" \")[1], \"base64\").toString();\n const [username, password] = decoded.split(\":\");\n return username === AUTH_USERNAME && password === AUTH_PASSWORD;\n } catch {\n return false;\n }\n}\n\nfunction requireAuth(res) {\n res.writeHead(407, {\n \"Proxy-Authenticate\": 'Basic realm=\"HTTP Proxy\"',\n });\n res.end(\"需要代理认证\");\n}\n\n// ============ 清理请求头 ============\nfunction cleanHeaders(headers) {\n const cleaned = { ...headers };\n // 删除代理相关头，防止泄露\n delete cleaned[\"proxy-authorization\"];\n delete cleaned[\"proxy-connection\"];\n return cleaned;\n}\n\n// ============ 处理 HTTP 请求（http:// 目标） ============\nfunction handleHttpRequest(req, res) {\n if (!checkProxyAuth(req)) {\n return requireAuth(res);\n }\n\n try {\n const targetUrl = new URL(req.url);\n const options = {\n hostname: targetUrl.hostname,\n port: targetUrl.port || 80,\n path: targetUrl.pathname + targetUrl.search,\n method: req.method,\n headers: cleanHeaders(req.headers),\n };\n\n // 修正 Host 头\n options.headers[\"host\"] = targetUrl.host;\n\n const proxyReq = http.request(options, (proxyRes) => {\n res.writeHead(proxyRes.statusCode, proxyRes.headers);\n proxyRes.pipe(res);\n });\n\n proxyReq.on(\"error\", (err) => {\n res.writeHead(502);\n res.end(\"代理请求失败: \" + err.message);\n });\n\n req.pipe(proxyReq);\n } catch (err) {\n res.writeHead(400);\n res.end(\"无效的目标地址: \" + err.message);\n }\n}\n\n// ============ 处理 HTTPS CONNECT 隧道 ============\nfunction handleConnect(req, clientSocket, head) {\n if (!checkProxyAuth(req)) {\n clientSocket.write(\"HTTP/1.1 407 Proxy Auth Required\\r\\n\");\n clientSocket.write('Proxy-Authenticate: Basic realm=\"HTTP Proxy\"\\r\\n');\n clientSocket.write(\"\\r\\n\");\n clientSocket.end();\n return;\n }\n\n const [hostname, port] = req.url.split(\":\");\n const targetPort = parseInt(port) || 443;\n\n const serverSocket = net.connect(targetPort, hostname, () => {\n clientSocket.write(\"HTTP/1.1 200 Connection Established\\r\\n\\r\\n\");\n if (head && head.length > 0) {\n serverSocket.write(head);\n }\n // 双向透传，不解密\n serverSocket.pipe(clientSocket);\n clientSocket.pipe(serverSocket);\n });\n\n serverSocket.on(\"error\", () => {\n clientSocket.write(\"HTTP/1.1 502 Bad Gateway\\r\\n\\r\\n\");\n clientSocket.end();\n });\n\n clientSocket.on(\"error\", () => {\n serverSocket.end();\n });\n}\n\n// ============ 启动代理服务器 ============\nconst server = http.createServer(handleHttpRequest);\nserver.on(\"connect\", handleConnect);\n\nserver.listen(PORT, SERVER, () => {\n console.log(`HTTP Proxy 已启动，监听地址: ${SERVER}:${PORT}`);\n console.log(`认证用户: ${AUTH_USERNAME}`);\n console.log(\"使用方式:\");\n console.log(` curl -x http://${AUTH_USERNAME}:${AUTH_PASSWORD}@${SERVER}:${PORT} http://example.com`);\n console.log(` curl -x http://${AUTH_USERNAME}:${AUTH_PASSWORD}@${SERVER}:${PORT} https://example.com`);\n});\n",
"content": "const http = require(\"http\");\nconst https = require(\"https\");\nconst net = require(\"net\");\nconst tls = require(\"tls\");\nconst fs = require(\"fs\");\nconst path = require(\"path\");\nconst { execSync } = require(\"child_process\");\nconst { URL } = require(\"url\");\n\n// ============ 配置 ============\nconst config = JSON.parse(\n fs.readFileSync(path.join(__dirname, \"config.json\"), \"utf-8\")\n);\nconst WORKER_URL = (config.server || \"\").replace(/\\/+$/, \"\");\nconst PORT = config.port || 3128;\nconst AUTH_USERNAME = config.username || \"admin\";\nconst AUTH_PASSWORD = config.password || \"password\";\n\n// ============ CA 证书管理 ============\nconst CA_KEY_PATH = path.join(__dirname, \"ca-key.pem\");\nconst CA_CERT_PATH = path.join(__dirname, \"ca-cert.pem\");\n\nfunction ensureCA() {\n if (fs.existsSync(CA_KEY_PATH) && fs.existsSync(CA_CERT_PATH)) return;\n\n try {\n execSync(\"openssl version\", { stdio: \"pipe\" });\n } catch {\n console.error(\"错误: 未找到 openssl，请安装 OpenSSL 以生成 CA 证书\");\n console.error(\"Windows: 下载 https://slproweb.com/products/Win32OpenSSL.html\");\n process.exit(1);\n }\n\n execSync(\n `openssl req -x509 -newkey rsa:2048 -keyout \"${CA_KEY_PATH}\" -out \"${CA_CERT_PATH}\" -days 3650 -nodes -subj \"/CN=WebProxy CA\"`,\n { stdio: \"pipe\" }\n );\n console.log(`CA 证书已生成: ${CA_CERT_PATH}`);\n console.log(\"请将此 CA 证书导入系统/浏览器信任列表以支持 HTTPS 代理\");\n}\n\nensureCA();\n\nconst CA_KEY = fs.readFileSync(CA_KEY_PATH);\nconst CA_CERT = fs.readFileSync(CA_CERT_PATH);\n\n// ============ 主机证书缓存 ============\nconst certCache = new Map();\nconst CERTS_DIR = path.join(__dirname, \"certs\");\n\nfunction getHostCert(hostname) {\n if (certCache.has(hostname)) return certCache.get(hostname);\n\n if (!fs.existsSync(CERTS_DIR)) fs.mkdirSync(CERTS_DIR, { recursive: true });\n\n const keyPath = path.join(CERTS_DIR, `${hostname}-key.pem`);\n const certPath = path.join(CERTS_DIR, `${hostname}-cert.pem`);\n const csrPath = path.join(CERTS_DIR, `${hostname}-csr.pem`);\n\n if (!fs.existsSync(keyPath) || !fs.existsSync(certPath)) {\n execSync(\n `openssl req -newkey rsa:2048 -keyout \"${keyPath}\" -out \"${csrPath}\" -nodes -subj \"/CN=${hostname}\"`,\n { stdio: \"pipe\" }\n );\n execSync(\n `openssl x509 -req -in \"${csrPath}\" -CA \"${CA_CERT_PATH}\" -CAkey \"${CA_KEY_PATH}\" -CAcreateserial -out \"${certPath}\" -days 365`,\n { stdio: \"pipe\" }\n );\n }\n\n const result = { key: fs.readFileSync(keyPath), cert: fs.readFileSync(certPath) };\n certCache.set(hostname, result);\n return result;\n}\n\n// ============ Basic Auth 校验 ============\nfunction checkProxyAuth(req) {\n const authHeader = req.headers[\"proxy-authorization\"];\n if (!authHeader || !authHeader.startsWith(\"Basic \")) return false;\n try {\n const decoded = Buffer.from(authHeader.split(\" \")[1], \"base64\").toString();\n const [username, password] = decoded.split(\":\");\n return username === AUTH_USERNAME && password === AUTH_PASSWORD;\n } catch {\n return false;\n }\n}\n\nfunction requireAuth(res) {\n res.writeHead(407, { \"Proxy-Authenticate\": 'Basic realm=\"HTTP Proxy\"' });\n res.end(\"需要代理认证\");\n}\n\nfunction requireAuthConnect(socket) {\n socket.write(\"HTTP/1.1 407 Proxy Auth Required\\r\\n\");\n socket.write('Proxy-Authenticate: Basic realm=\"HTTP Proxy\"\\r\\n');\n socket.write(\"\\r\\n\");\n socket.end();\n}\n\n// ============ 通过 Worker 转发请求 ============\nfunction forwardThroughWorker(method, targetUrl, headers, body) {\n const workerUrl = `${WORKER_URL}/?url=${encodeURIComponent(targetUrl)}`;\n const auth = Buffer.from(`${AUTH_USERNAME}:${AUTH_PASSWORD}`).toString(\"base64\");\n\n const cleanHeaders = { ...headers };\n delete cleanHeaders[\"proxy-authorization\"];\n delete cleanHeaders[\"proxy-connection\"];\n delete cleanHeaders[\"connection\"];\n cleanHeaders[\"authorization\"] = `Basic ${auth}`;\n\n return new Promise((resolve, reject) => {\n const req = https.request(workerUrl, { method, headers: cleanHeaders }, resolve);\n req.on(\"error\", reject);\n if (body) req.write(body);\n req.end();\n });\n}\n\n// ============ 处理 HTTP 请求（转发到 Worker） ============\nfunction handleHttpRequest(req, res) {\n if (!checkProxyAuth(req)) return requireAuth(res);\n\n const bodyChunks = [];\n req.on(\"data\", (chunk) => bodyChunks.push(chunk));\n req.on(\"end\", async () => {\n const body = bodyChunks.length > 0 ? Buffer.concat(bodyChunks) : null;\n try {\n const proxyRes = await forwardThroughWorker(\n req.method,\n req.url,\n req.headers,\n body\n );\n res.writeHead(proxyRes.statusCode, proxyRes.headers);\n proxyRes.pipe(res);\n } catch (err) {\n if (!res.headersSent) res.writeHead(502);\n res.end(\"代理请求失败: \" + err.message);\n }\n });\n}\n\n// ============ 处理 HTTPS CONNECT（MITM 拦截后转发到 Worker） ============\nfunction handleConnect(req, clientSocket, head) {\n if (!checkProxyAuth(req)) return requireAuthConnect(clientSocket);\n\n const [hostname, portStr] = req.url.split(\":\");\n const port = parseInt(portStr) || 443;\n\n try {\n const hostCert = getHostCert(hostname);\n\n // 创建临时 HTTPS 服务器，拦截客户端 TLS 流量\n const fakeServer = https.createServer(\n { key: hostCert.key, cert: hostCert.cert },\n (fakeReq, fakeRes) => {\n const targetUrl = `https://${hostname}:${port}${fakeReq.url}`;\n\n const bodyChunks = [];\n fakeReq.on(\"data\", (chunk) => bodyChunks.push(chunk));\n fakeReq.on(\"end\", async () => {\n const body =\n bodyChunks.length > 0 ? Buffer.concat(bodyChunks) : null;\n try {\n const proxyRes = await forwardThroughWorker(\n fakeReq.method,\n targetUrl,\n fakeReq.headers,\n body\n );\n fakeRes.writeHead(proxyRes.statusCode, proxyRes.headers);\n proxyRes.pipe(fakeRes);\n } catch (err) {\n if (!fakeRes.headersSent) fakeRes.writeHead(502);\n fakeRes.end(\"代理请求失败: \" + err.message);\n }\n });\n }\n );\n\n fakeServer.listen(0, \"127.0.0.1\", () => {\n const fakePort = fakeServer.address().port;\n\n // 连接到临时 HTTPS 服务器\n const fakeSocket = net.connect(fakePort, \"127.0.0.1\", () => {\n // 告知客户端隧道已建立\n clientSocket.write(\"HTTP/1.1 200 Connection Established\\r\\n\\r\\n\");\n\n // 双向管道：客户端 ←→ 临时 HTTPS 服务器\n clientSocket.pipe(fakeSocket);\n fakeSocket.pipe(clientSocket);\n\n if (head && head.length > 0) fakeSocket.write(head);\n });\n\n const cleanup = () => {\n fakeSocket.destroy();\n clientSocket.destroy();\n fakeServer.close();\n };\n\n fakeSocket.on(\"error\", cleanup);\n clientSocket.on(\"error\", cleanup);\n fakeSocket.on(\"close\", cleanup);\n });\n } catch (err) {\n clientSocket.write(\"HTTP/1.1 502 Bad Gateway\\r\\n\\r\\n\");\n clientSocket.end();\n }\n}\n\n// ============ 启动代理服务器 ============\nconst server = http.createServer(handleHttpRequest);\nserver.on(\"connect\", handleConnect);\n\nserver.listen(PORT, \"0.0.0.0\", () => {\n console.log(`HTTP Proxy 已启动，监听: 0.0.0.0:${PORT}`);\n console.log(`Worker 地址: ${WORKER_URL}`);\n console.log(`认证用户: ${AUTH_USERNAME}`);\n console.log(`CA 证书: ${CA_CERT_PATH}`);\n console.log(\"\\n使用方式:\");\n console.log(\n ` curl -x http://${AUTH_USERNAME}:${AUTH_PASSWORD}@127.0.0.1:${PORT} http://example.com`\n );\n console.log(\n ` curl -x http://${AUTH_USERNAME}:${AUTH_PASSWORD}@127.0.0.1:${PORT} https://example.com`\n );\n console.log(\"\\nHTTPS 代理需将 CA 证书导入信任列表:\");\n console.log(` 证书路径: ${CA_CERT_PATH}`);\n});\n",
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"content": "重写 proxy.js：本地 HTTP Proxy → 远程 Worker Web Proxy 转发",
"status": "completed"
},
{
"content": "实现 HTTPS MITM：通过临时 HTTPS 服务器拦截 CONNECT 并转发到 Worker",
"status": "completed"
},
{
"content": "语法检查与逻辑验证",
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}
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]
},
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"content": "重构完成。架构如下：\n\n## 新架构：本地 HTTP Proxy → Worker Web Proxy → 目标网站\n\n```\n浏览器/curl → 本地 Node.js Proxy (0.0.0.0:3128) → CF Worker (web-ladd.xuvps.net) → 目标网站\n```\n\n## 核心改动\n\n**config.json** — `server` 字段含义变更：\n\n| 字段 | 旧含义 | 新含义 |\n|---|---|---|\n| `server` | 本地监听地址 | Worker URL (`https://web-ladd.xuvps.net`) |\n| `port` | 本地监听端口 | 不变 (3128) |\n| `username/password` | 本地代理认证 | 同时用于本地认证 + Worker 认证 |\n\n**proxy.js** — 核心逻辑变更：\n\n| | 旧版 | 新版 |\n|---|---|---|\n| HTTP 请求 | 直接 `http.request` 到目标 | `forwardThroughWorker()` → Worker `?url=` |\n| HTTPS CONNECT | 直接 TCP 隧道到目标 | **MITM 拦截** → 解密请求 → 转发到 Worker |\n| 认证到 Worker | 无 | 请求头带 `Authorization: Basic ...` |\n\n## HTTPS MITM 流程\n\n1. 客户端发送 `CONNECT example.com:443`\n2. 本地代理用 `openssl` 生成该域名的证书（由本地 CA 签名）\n3. 创建临时 HTTPS 服务器，拦截客户端 TLS 流量\n4. 解密后的 HTTP 请求通过 `?url=https://example.com/...` 转发到 Worker\n5. Worker 返回结果，代理再返回给客户端\n\n## 首次运行\n\n1. 需要安装 OpenSSL（Windows: 下载 [Win32OpenSSL](https://slproweb.com/products/Win32OpenSSL.html)）\n2. 首次启动自动生成 `ca-key.pem` 和 `ca-cert.pem`\n3. **HTTPS 代理需将 `ca-cert.pem` 导入系统/浏览器信任列表**\n4. 生成的 `certs/` 目录缓存各域名的证书"
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{
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"summary": "代理解密机制与域名关系解析",
"role": "user",
"status": "success",
"content": "每个域名都要重新解密吗",
"payload": {
"query": "每个域名都要重新解密吗",
"rawMessage": "每个域名都要重新解密吗",
"model": {
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"agentName": "Agent",
"agentImage": "zulu"
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"reportedId": "9f51e4e3-fb47-4ac1-9274-99771ab610a9",
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"type": "REASON",
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"content": "The user is asking whether every domain needs to be decrypted (MITM) in the current implementation. The answer is yes - in the current MITM approach, every HTTPS domain needs a separate certificate generated and the traffic needs to be decrypted. This is indeed a significant overhead and complexity.\n\nThere's a much simpler alternative: for HTTPS traffic, we can skip MITM entirely and just create a direct TCP tunnel. This means:\n- HTTP traffic: forwarded through Worker (works great)\n- HTTPS traffic: direct TCP tunnel (bypasses Worker, connects directly to target)\n\nBut the problem is: if the user is in China and needs to access blocked HTTPS sites, direct tunneling won't work because those sites are blocked.\n\nHowever, there's another approach that avoids MITM: **Don't intercept CONNECT at all for HTTPS. Instead, just create a direct tunnel.** This is simpler and works for most cases where HTTPS sites aren't blocked.\n\nBut wait - the user's original use case was to proxy through the Worker to access blocked sites. If HTTPS goes direct, it defeats the purpose for HTTPS sites.\n\nActually, let me reconsider. The user asked \"每个域名都要重新解密吗\" - they're questioning whether this MITM approach is necessary or efficient. This is a valid concern.\n\nThe alternative approach is to **not use MITM at all** and instead handle HTTPS differently. For an HTTP proxy that routes through a web proxy:\n\n1. **HTTP requests**: Forward through Worker's `?url=` - this works perfectly\n2. **HTTPS CONNECT**: There are two options:\n a. MITM (current approach) - complex, needs CA trust, decrypts all traffic\n b. Direct tunnel - simple, no decryption, but doesn't go through Worker\n\nThe user seems to be concerned about the MITM overhead. Let me explain the trade-off and offer both options.\n\nActually, I think there's a smarter approach. We could make MITM optional via config. Add a `\"mitm\": true/false` option:\n- `mitm: false` (default): HTTPS goes through direct TCP tunnel (simple, no CA needed)\n- `mitm: true`: HTTPS is intercepted and routed through Worker (needs CA trust)\n\nThis gives the user flexibility. For most use cases, direct tunneling for HTTPS is sufficient.\n\nWait, but if the user is behind a firewall and needs the Worker to access blocked HTTPS sites, then direct tunnel won't work. But for general use, direct tunnel is simpler.\n\nLet me present both options to the user and let them decide.",
"startTime": 1776530325170,
"lastModifiedTime": 1776530339752
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"type": "TEXT",
"end": true,
"content": "是的，当前 MITM 方案**每个新域名都需要**：\n\n1. 调用 `openssl` 生成该域名的证书（约 200ms）\n2. 创建临时 HTTPS 服务器解密流量\n3. 解密后重组请求再转发到 Worker\n\n这带来了几个问题：性能开销、CA 证书信任、流量解密的安全顾虑。\n\n实际上有两种策略可选：\n\n| | MITM 拦截 | 直连隧道 |\n|---|---|---|\n| HTTPS 流量 | 解密 → Worker → 目标 | 直接 TCP 隧道到目标 |\n| 需要证书 | 是（CA + 每域证书） | 否 |\n| 能翻墙访问 HTTPS | 是 | 否 |\n| 复杂度 | 高 | 低 |\n| 安全性 | 中间人可看到明文 | 端到端加密 |"
},
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},
"toolState": "executed",
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"metadata": {
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"questions": [
{
"allow_multiple": false,
"id": "https_mode",
"options": [
{
"id": "direct",
"label": "直连隧道（简单，HTTPS 不走 Worker）"
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{
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"label": "MITM 拦截（HTTPS 走 Worker，需信任 CA）"
},
{
"id": "config",
"label": "config.json 可切换两种模式"
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],
"title": "Cloudflare Worker恢复需求分析",
"ctime": 1776529271322,
"utime": 1776530347694,
"workspaceDirectory": "d:\\Users\\xukai\\Desktop\\webjsproxy",
"summary": "Cloudflare Worker恢复需求分析",
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"content": "export default {\r\n async fetch(request, env, ctx) {\r\n const url = new URL(request.url);\r\n\r\n // --- 1. 处理跨域预检 (OPTIONS) ---\r\n if (request.method === \"OPTIONS\") {\r\n return new Response(null, {\r\n headers: {\r\n \"Access-Control-Allow-Origin\": \"*\",\r\n \"Access-Control-Allow-Methods\": \"GET, POST, PUT, DELETE, OPTIONS\",\r\n \"Access-Control-Allow-Headers\": \"Authorization, Content-Type\",\r\n \"Access-Control-Max-Age\": \"86400\",\r\n },\r\n });\r\n }\r\n\r\n // --- 2. 身份认证 (Basic Auth) ---\r\n // 从 KV 变量中获取配置\r\n const expectedUser = await env.PROXY_KV.get(\"AUTH_USERNAME\");\r\n const expectedPass = await env.PROXY_KV.get(\"AUTH_PASSWORD\");\r\n\r\n const authHeader = request.headers.get(\"Authorization\");\r\n if (!authHeader || !authHeader.startsWith(\"Basic \")) {\r\n return new Response(\"需要身份认证\", {\r\n status: 401,\r\n headers: { \"WWW-Authenticate\": 'Basic realm=\"Cloudflare Proxy\"' }\r\n });\r\n }\r\n\r\n // 解码认证信息 (Base64: user:pass)\r\n const base64Str = authHeader.split(\" \")[1];\r\n try {\r\n const decoded = atob(base64Str);\r\n const [username, password] = decoded.split(\":\");\r\n\r\n if (username !== expectedUser || password !== expectedPass) {\r\n return new Response(\"用户名或密码错误\", { status: 403 });\r\n }\r\n } catch (e) {\r\n return new Response(\"认证解析失败\", { status: 400 });\r\n }\r\n\r\n // --- 3. 获取目标 URL ---\r\n const targetUrlStr = url.searchParams.get('url');\r\n if (!targetUrlStr) {\r\n return new Response(\"请通过 ?url= 传入目标地址\", { status: 400 });\r\n }\r\n\r\n try {\r\n const targetUrl = new URL(targetUrlStr);\r\n\r\n // --- 4. 构建转发请求 ---\r\n const newHeaders = new Headers(request.headers);\r\n \r\n // 移除可能引起循环或隐私问题的 Cloudflare 内部头\r\n newHeaders.delete(\"cf-connecting-ip\");\r\n newHeaders.delete(\"cf-ipcountry\");\r\n newHeaders.delete(\"cf-ray\");\r\n newHeaders.delete(\"cf-visitor\");\r\n // 移除请求头中的认证信息，防止泄露给目标服务器\r\n newHeaders.delete(\"Authorization\");\r\n\r\n // 关键：修改 Host 和 Referer 伪装来源\r\n newHeaders.set(\"Host\", targetUrl.host);\r\n newHeaders.set(\"Referer\", targetUrl.origin);\r\n\r\n const proxyRequest = new Request(targetUrl, {\r\n method: request.method,\r\n headers: newHeaders,\r\n body: request.body,\r\n redirect: \"follow\",\r\n });\r\n\r\n // --- 5. 执行代理并返回结果 ---\r\n const response = await fetch(proxyRequest);\r\n\r\n // 允许跨域返回\r\n const responseHeaders = new Headers(response.headers);\r\n responseHeaders.set(\"Access-Control-Allow-Origin\", \"*\");\r\n responseHeaders.set(\"Access-Control-Expose-Headers\", \"*\");\r\n\r\n return new Response(response.body, {\r\n status: response.status,\r\n statusText: response.statusText,\r\n headers: responseHeaders,\r\n });\r\n\r\n } catch (err) {\r\n return new Response(\"代理请求失败: \" + err.message, { status: 500 });\r\n }\r\n },\r\n};",
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"absolutePath": "d:\\Users\\xukai\\Desktop\\webjsproxy\\proxy.js",
"content": "const http = require(\"http\");\nconst https = require(\"https\");\nconst net = require(\"net\");\nconst tls = require(\"tls\");\nconst fs = require(\"fs\");\nconst path = require(\"path\");\nconst { execSync } = require(\"child_process\");\nconst { URL } = require(\"url\");\n\n// ============ 配置 ============\nconst config = JSON.parse(\n fs.readFileSync(path.join(__dirname, \"config.json\"), \"utf-8\")\n);\nconst WORKER_URL = (config.server || \"\").replace(/\\/+$/, \"\");\nconst PORT = config.port || 3128;\nconst AUTH_USERNAME = config.username || \"admin\";\nconst AUTH_PASSWORD = config.password || \"password\";\n\n// ============ CA 证书管理 ============\nconst CA_KEY_PATH = path.join(__dirname, \"ca-key.pem\");\nconst CA_CERT_PATH = path.join(__dirname, \"ca-cert.pem\");\n\nfunction ensureCA() {\n if (fs.existsSync(CA_KEY_PATH) && fs.existsSync(CA_CERT_PATH)) return;\n\n try {\n execSync(\"openssl version\", { stdio: \"pipe\" });\n } catch {\n console.error(\"错误: 未找到 openssl，请安装 OpenSSL 以生成 CA 证书\");\n console.error(\"Windows: 下载 https://slproweb.com/products/Win32OpenSSL.html\");\n process.exit(1);\n }\n\n execSync(\n `openssl req -x509 -newkey rsa:2048 -keyout \"${CA_KEY_PATH}\" -out \"${CA_CERT_PATH}\" -days 3650 -nodes -subj \"/CN=WebProxy CA\"`,\n { stdio: \"pipe\" }\n );\n console.log(`CA 证书已生成: ${CA_CERT_PATH}`);\n console.log(\"请将此 CA 证书导入系统/浏览器信任列表以支持 HTTPS 代理\");\n}\n\nensureCA();\n\nconst CA_KEY = fs.readFileSync(CA_KEY_PATH);\nconst CA_CERT = fs.readFileSync(CA_CERT_PATH);\n\n// ============ 主机证书缓存 ============\nconst certCache = new Map();\nconst CERTS_DIR = path.join(__dirname, \"certs\");\n\nfunction getHostCert(hostname) {\n if (certCache.has(hostname)) return certCache.get(hostname);\n\n if (!fs.existsSync(CERTS_DIR)) fs.mkdirSync(CERTS_DIR, { recursive: true });\n\n const keyPath = path.join(CERTS_DIR, `${hostname}-key.pem`);\n const certPath = path.join(CERTS_DIR, `${hostname}-cert.pem`);\n const csrPath = path.join(CERTS_DIR, `${hostname}-csr.pem`);\n\n if (!fs.existsSync(keyPath) || !fs.existsSync(certPath)) {\n execSync(\n `openssl req -newkey rsa:2048 -keyout \"${keyPath}\" -out \"${csrPath}\" -nodes -subj \"/CN=${hostname}\"`,\n { stdio: \"pipe\" }\n );\n execSync(\n `openssl x509 -req -in \"${csrPath}\" -CA \"${CA_CERT_PATH}\" -CAkey \"${CA_KEY_PATH}\" -CAcreateserial -out \"${certPath}\" -days 365`,\n { stdio: \"pipe\" }\n );\n }\n\n const result = { key: fs.readFileSync(keyPath), cert: fs.readFileSync(certPath) };\n certCache.set(hostname, result);\n return result;\n}\n\n// ============ Basic Auth 校验 ============\nfunction checkProxyAuth(req) {\n const authHeader = req.headers[\"proxy-authorization\"];\n if (!authHeader || !authHeader.startsWith(\"Basic \")) return false;\n try {\n const decoded = Buffer.from(authHeader.split(\" \")[1], \"base64\").toString();\n const [username, password] = decoded.split(\":\");\n return username === AUTH_USERNAME && password === AUTH_PASSWORD;\n } catch {\n return false;\n }\n}\n\nfunction requireAuth(res) {\n res.writeHead(407, { \"Proxy-Authenticate\": 'Basic realm=\"HTTP Proxy\"' });\n res.end(\"需要代理认证\");\n}\n\nfunction requireAuthConnect(socket) {\n socket.write(\"HTTP/1.1 407 Proxy Auth Required\\r\\n\");\n socket.write('Proxy-Authenticate: Basic realm=\"HTTP Proxy\"\\r\\n');\n socket.write(\"\\r\\n\");\n socket.end();\n}\n\n// ============ 通过 Worker 转发请求 ============\nfunction forwardThroughWorker(method, targetUrl, headers, body) {\n const workerUrl = `${WORKER_URL}/?url=${encodeURIComponent(targetUrl)}`;\n const auth = Buffer.from(`${AUTH_USERNAME}:${AUTH_PASSWORD}`).toString(\"base64\");\n\n const cleanHeaders = { ...headers };\n delete cleanHeaders[\"proxy-authorization\"];\n delete cleanHeaders[\"proxy-connection\"];\n delete cleanHeaders[\"connection\"];\n cleanHeaders[\"authorization\"] = `Basic ${auth}`;\n\n return new Promise((resolve, reject) => {\n const req = https.request(workerUrl, { method, headers: cleanHeaders }, resolve);\n req.on(\"error\", reject);\n if (body) req.write(body);\n req.end();\n });\n}\n\n// ============ 处理 HTTP 请求（转发到 Worker） ============\nfunction handleHttpRequest(req, res) {\n if (!checkProxyAuth(req)) return requireAuth(res);\n\n const bodyChunks = [];\n req.on(\"data\", (chunk) => bodyChunks.push(chunk));\n req.on(\"end\", async () => {\n const body = bodyChunks.length > 0 ? Buffer.concat(bodyChunks) : null;\n try {\n const proxyRes = await forwardThroughWorker(\n req.method,\n req.url,\n req.headers,\n body\n );\n res.writeHead(proxyRes.statusCode, proxyRes.headers);\n proxyRes.pipe(res);\n } catch (err) {\n if (!res.headersSent) res.writeHead(502);\n res.end(\"代理请求失败: \" + err.message);\n }\n });\n}\n\n// ============ 处理 HTTPS CONNECT（MITM 拦截后转发到 Worker） ============\nfunction handleConnect(req, clientSocket, head) {\n if (!checkProxyAuth(req)) return requireAuthConnect(clientSocket);\n\n const [hostname, portStr] = req.url.split(\":\");\n const port = parseInt(portStr) || 443;\n\n try {\n const hostCert = getHostCert(hostname);\n\n // 创建临时 HTTPS 服务器，拦截客户端 TLS 流量\n const fakeServer = https.createServer(\n { key: hostCert.key, cert: hostCert.cert },\n (fakeReq, fakeRes) => {\n const targetUrl = `https://${hostname}:${port}${fakeReq.url}`;\n\n const bodyChunks = [];\n fakeReq.on(\"data\", (chunk) => bodyChunks.push(chunk));\n fakeReq.on(\"end\", async () => {\n const body =\n bodyChunks.length > 0 ? Buffer.concat(bodyChunks) : null;\n try {\n const proxyRes = await forwardThroughWorker(\n fakeReq.method,\n targetUrl,\n fakeReq.headers,\n body\n );\n fakeRes.writeHead(proxyRes.statusCode, proxyRes.headers);\n proxyRes.pipe(fakeRes);\n } catch (err) {\n if (!fakeRes.headersSent) fakeRes.writeHead(502);\n fakeRes.end(\"代理请求失败: \" + err.message);\n }\n });\n }\n );\n\n fakeServer.listen(0, \"127.0.0.1\", () => {\n const fakePort = fakeServer.address().port;\n\n // 连接到临时 HTTPS 服务器\n const fakeSocket = net.connect(fakePort, \"127.0.0.1\", () => {\n // 告知客户端隧道已建立\n clientSocket.write(\"HTTP/1.1 200 Connection Established\\r\\n\\r\\n\");\n\n // 双向管道：客户端 ←→ 临时 HTTPS 服务器\n clientSocket.pipe(fakeSocket);\n fakeSocket.pipe(clientSocket);\n\n if (head && head.length > 0) fakeSocket.write(head);\n });\n\n const cleanup = () => {\n fakeSocket.destroy();\n clientSocket.destroy();\n fakeServer.close();\n };\n\n fakeSocket.on(\"error\", cleanup);\n clientSocket.on(\"error\", cleanup);\n fakeSocket.on(\"close\", cleanup);\n });\n } catch (err) {\n clientSocket.write(\"HTTP/1.1 502 Bad Gateway\\r\\n\\r\\n\");\n clientSocket.end();\n }\n}\n\n// ============ 启动代理服务器 ============\nconst server = http.createServer(handleHttpRequest);\nserver.on(\"connect\", handleConnect);\n\nserver.listen(PORT, \"0.0.0.0\", () => {\n console.log(`HTTP Proxy 已启动，监听: 0.0.0.0:${PORT}`);\n console.log(`Worker 地址: ${WORKER_URL}`);\n console.log(`认证用户: ${AUTH_USERNAME}`);\n console.log(`CA 证书: ${CA_CERT_PATH}`);\n console.log(\"\\n使用方式:\");\n console.log(\n ` curl -x http://${AUTH_USERNAME}:${AUTH_PASSWORD}@127.0.0.1:${PORT} http://example.com`\n );\n console.log(\n ` curl -x http://${AUTH_USERNAME}:${AUTH_PASSWORD}@127.0.0.1:${PORT} https://example.com`\n );\n console.log(\"\\nHTTPS 代理需将 CA 证书导入信任列表:\");\n console.log(` 证书路径: ${CA_CERT_PATH}`);\n});\n",
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"absolutePath": "d:\\Users\\xukai\\Desktop\\webjsproxy\\config.json",
"content": "{\n \"server\": \"https://web-ladd.xuvps.net\",\n \"port\": 3128,\n \"username\": \"xukaiming\",\n \"password\": \"Wdpbby8j\"\n}\n",
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}