自动登录中...

import express from 'express'; import cors from 'cors'; import axios from 'axios'; import nodeRSA from 'node-rsa'; import cookieParser from 'cookie-parser'; import { readFileSync } from 'fs'; import { fileURLToPath } from 'url'; import { dirname, join } from 'path'; // node-rsa 是 CommonJS 模块，需要使用默认导入 const NodeRSA = nodeRSA; const __filename = fileURLToPath(import.meta.url); const __dirname = dirname(__filename); const app = express(); const PORT = process.env.PORT || 8889; // 中间件 app.use(cors({ origin: true, credentials: true })); app.use(express.json()); app.use(express.urlencoded({ extended: true })); app.use(cookieParser()); // 请求日志中间件（用于调试） app.use((req, res, next) => { console.log(`[请求] ${req.method} ${req.path} - ${new Date().toISOString()}`); next(); }); // 加载自动登录配置 let autoLoginConfig = {}; try { const configPath = join(__dirname, 'auto-login-config.json'); console.log('正在加载自动登录配置文件:', configPath); const configData = readFileSync(configPath, 'utf-8'); autoLoginConfig = JSON.parse(configData); console.log('✓ 已加载自动登录配置'); console.log(' 配置的网站数量:', Object.keys(autoLoginConfig).length); console.log(' 网站列表:', Object.keys(autoLoginConfig).join(', ')); Object.keys(autoLoginConfig).forEach(siteId => { const site = autoLoginConfig[siteId]; console.log(` - ${siteId}: ${site.name} (${site.loginMethod})`); }); } catch (error) { console.error('✗ 加载自动登录配置失败:', error.message); console.error(' 错误堆栈:', error.stack); console.log('将使用默认配置'); } // RSA 加密函数 function encryptWithRSA(text, publicKey) { const key = new NodeRSA(publicKey); return key.encrypt(text, 'base64'); } // 解析 Cookie function parseCookies(setCookieHeaders) { return setCookieHeaders.map(cookie => { const match = cookie.match(/^([^=]+)=([^;]+)/); if (match) { const name = match[1]; const value = match[2]; // 提取其他属性 const pathMatch = cookie.match(/Path=([^;]+)/); const expiresMatch = cookie.match(/Expires=([^;]+)/); const maxAgeMatch = cookie.match(/Max-Age=([^;]+)/); const httpOnlyMatch = cookie.match(/HttpOnly/); const secureMatch = cookie.match(/Secure/); const sameSiteMatch = cookie.match(/SameSite=([^;]+)/); return { name, value, path: pathMatch ? pathMatch[1] : '/', expires: expiresMatch ? expiresMatch[1] : null, maxAge: maxAgeMatch ? maxAgeMatch[1] : null, httpOnly: !!httpOnlyMatch, secure: !!secureMatch, sameSite: sameSiteMatch ? sameSiteMatch[1] : null }; } return null; }).filter(Boolean); } // 生成跳转 HTML function generateRedirectHTML(cookieData, targetHost, targetDomain, requestId = '') { return ` 自动登录中...

正在自动登录，请稍候...

`; } // 处理 RSA 加密表单登录 async function handleRSAEncryptedFormLogin(config, credentials) { const { targetBaseUrl, loginUrl, loginMethodConfig } = config; const { publicKey, usernameField, passwordField, captchaField, captchaRequired, contentType, successCode, successField } = loginMethodConfig; console.log('=== RSA 加密表单登录 ==='); console.log(`目标URL: ${targetBaseUrl}${loginUrl}`); console.log(`用户名: ${credentials.username}`); console.log(`密码: ${'*'.repeat(credentials.password.length)}`); console.log(`内容类型: ${contentType}`); console.log(`成功标识字段: ${successField || 'code'}, 成功值: ${successCode}`); // 加密用户名和密码 const usernameEncrypted = encryptWithRSA(credentials.username, publicKey); const passwordEncrypted = encryptWithRSA(credentials.password, publicKey); console.log('用户名和密码已加密'); console.log(`加密后用户名长度: ${usernameEncrypted.length}`); console.log(`加密后密码长度: ${passwordEncrypted.length}`); // 构建请求数据 const requestData = { [usernameField]: usernameEncrypted, [passwordField]: passwordEncrypted }; if (captchaField) { requestData[captchaField] = captchaRequired ? '' : ''; } // 发送登录请求 const headers = {}; let requestBody; if (contentType === 'application/x-www-form-urlencoded') { headers['Content-Type'] = 'application/x-www-form-urlencoded'; requestBody = new URLSearchParams(requestData).toString(); } else if (contentType === 'application/json') { headers['Content-Type'] = 'application/json'; requestBody = JSON.stringify(requestData); } else { requestBody = requestData; } console.log(`发送登录请求到: ${targetBaseUrl}${loginUrl}`); console.log(`请求头:`, JSON.stringify(headers, null, 2)); console.log(`请求体长度: ${requestBody.length} 字符`); const loginResponse = await axios.post( `${targetBaseUrl}${loginUrl}`, requestBody, { headers, withCredentials: true, maxRedirects: 0, validateStatus: function (status) { return status >= 200 && status < 400; } } ); console.log(`登录响应状态码: ${loginResponse.status}`); console.log(`响应头:`, JSON.stringify(loginResponse.headers, null, 2)); console.log(`响应数据:`, JSON.stringify(loginResponse.data, null, 2)); // 检查登录是否成功 const responseData = loginResponse.data || {}; const successValue = successField ? responseData[successField] : responseData.code; console.log(`成功标识值: ${successValue}, 期望值: ${successCode}`); if (successValue === successCode) { const cookies = loginResponse.headers['set-cookie'] || []; console.log(`登录成功！获取到 ${cookies.length} 个 Cookie`); cookies.forEach((cookie, index) => { console.log(`Cookie ${index + 1}: ${cookie.substring(0, 100)}...`); }); return { success: true, cookies: cookies, response: loginResponse.data }; } else { console.error(`登录失败！响应:`, responseData); return { success: false, message: responseData.msg || responseData.message || '登录失败', response: responseData }; } } // 处理普通表单登录（未加密） async function handlePlainFormLogin(config, credentials) { const { targetBaseUrl, loginUrl, loginMethodConfig } = config; const { usernameField, passwordField, captchaField, contentType, successCode, successField } = loginMethodConfig; console.log('=== 普通表单登录 ==='); console.log(`目标URL: ${targetBaseUrl}${loginUrl}`); console.log(`用户名: ${credentials.username}`); console.log(`密码: ${'*'.repeat(credentials.password.length)}`); console.log(`内容类型: ${contentType}`); console.log(`成功标识字段: ${successField || 'code'}, 成功值: ${successCode}`); // 构建请求数据 const requestData = { [usernameField]: credentials.username, [passwordField]: credentials.password }; if (captchaField) { requestData[captchaField] = ''; } // 发送登录请求 const headers = {}; let requestBody; if (contentType === 'application/x-www-form-urlencoded') { headers['Content-Type'] = 'application/x-www-form-urlencoded'; requestBody = new URLSearchParams(requestData).toString(); } else if (contentType === 'application/json') { headers['Content-Type'] = 'application/json'; requestBody = JSON.stringify(requestData); } else { requestBody = requestData; } console.log(`发送登录请求到: ${targetBaseUrl}${loginUrl}`); console.log(`请求头:`, JSON.stringify(headers, null, 2)); console.log(`请求体:`, contentType === 'application/json' ? requestBody : requestBody.substring(0, 200) + '...'); const loginResponse = await axios.post( `${targetBaseUrl}${loginUrl}`, requestBody, { headers, withCredentials: true, maxRedirects: 0, validateStatus: function (status) { return status >= 200 && status < 400; } } ); console.log(`登录响应状态码: ${loginResponse.status}`); console.log(`响应数据:`, JSON.stringify(loginResponse.data, null, 2)); // 检查登录是否成功 const responseData = loginResponse.data || {}; const successValue = successField ? responseData[successField] : responseData.code; console.log(`成功标识值: ${successValue}, 期望值: ${successCode}`); if (successValue === successCode) { const cookies = loginResponse.headers['set-cookie'] || []; console.log(`登录成功！获取到 ${cookies.length} 个 Cookie`); cookies.forEach((cookie, index) => { console.log(`Cookie ${index + 1}: ${cookie.substring(0, 100)}...`); }); return { success: true, cookies: cookies, response: loginResponse.data }; } else { console.error(`登录失败！响应:`, responseData); return { success: false, message: responseData.msg || responseData.message || '登录失败', response: responseData }; } } // 通用的自动登录端点 app.get('/api/auto-login/:siteId', async (req, res) => { const startTime = Date.now(); const requestId = `${Date.now()}-${Math.random().toString(36).substr(2, 9)}`; // 立即输出日志，确认请求已到达 console.log('\n' + '='.repeat(80)); console.log(`[${requestId}] ⚡⚡⚡ 收到自动登录请求！⚡⚡⚡`); console.log(`[${requestId}] 时间: ${new Date().toISOString()}`); console.log(`[${requestId}] 请求路径: ${req.path}`); console.log(`[${requestId}] 请求方法: ${req.method}`); console.log(`[${requestId}] 完整URL: ${req.protocol}://${req.get('host')}${req.originalUrl}`); console.log(`[${requestId}] 客户端IP: ${req.ip || req.connection.remoteAddress || req.socket.remoteAddress}`); console.log(`[${requestId}] User-Agent: ${req.get('user-agent') || 'Unknown'}`); try { const { siteId } = req.params; console.log(`[${requestId}] 网站ID: ${siteId}`); // 获取网站配置 const config = autoLoginConfig[siteId]; if (!config) { console.error(`[${requestId}] 错误: 未找到网站ID "${siteId}" 的配置`); console.error(`[${requestId}] 可用的网站ID: ${Object.keys(autoLoginConfig).join(', ') || '无'}`); return res.status(404).json({ success: false, message: `未找到网站ID "${siteId}" 的配置`, availableSites: Object.keys(autoLoginConfig) }); } console.log(`[${requestId}] 网站名称: ${config.name}`); console.log(`[${requestId}] 目标地址: ${config.targetBaseUrl}`); console.log(`[${requestId}] 登录方法: ${config.loginMethod}`); // 获取登录凭据（优先使用环境变量） const envUsername = process.env[config.credentials.envUsername]; const envPassword = process.env[config.credentials.envPassword]; const credentials = { username: envUsername || config.credentials.username, password: envPassword || config.credentials.password }; console.log(`[${requestId}] 凭据来源: ${envUsername ? '环境变量' : '配置文件'}`); console.log(`[${requestId}] 用户名: ${credentials.username}`); console.log(`[${requestId}] 密码: ${'*'.repeat(credentials.password.length)}`); if (!credentials.username || !credentials.password) { console.error(`[${requestId}] 错误: 登录凭据未配置`); return res.status(400).json({ success: false, message: '登录凭据未配置' }); } // 根据登录方法处理登录 let loginResult; console.log(`[${requestId}] 开始执行登录...`); switch (config.loginMethod) { case 'rsa-encrypted-form': loginResult = await handleRSAEncryptedFormLogin(config, credentials); break; case 'plain-form': loginResult = await handlePlainFormLogin(config, credentials); break; default: console.error(`[${requestId}] 错误: 不支持的登录方法: ${config.loginMethod}`); return res.status(400).json({ success: false, message: `不支持的登录方法: ${config.loginMethod}` }); } if (!loginResult.success) { console.error(`[${requestId}] 登录失败:`, loginResult.message); console.error(`[${requestId}] 失败响应:`, JSON.stringify(loginResult.response, null, 2)); const duration = Date.now() - startTime; console.log(`[${requestId}] 总耗时: ${duration}ms`); console.log('='.repeat(80) + '\n'); // 返回错误页面而不是 JSON const errorHtml = ` 自动登录失败

❌

自动登录失败

${loginResult.message}

请求ID: ${requestId}
网站: ${config.name}
详细信息:

${JSON.stringify(loginResult.response, null, 2)}

`; return res.status(500).send(errorHtml); } console.log(`[${requestId}] 登录成功！`); // 解析 Cookie const cookieData = parseCookies(loginResult.cookies); console.log(`[${requestId}] 解析到 ${cookieData.length} 个 Cookie:`); cookieData.forEach((cookie, index) => { console.log(`[${requestId}] Cookie ${index + 1}: ${cookie.name} = ${cookie.value.substring(0, 20)}...`); }); // 生成跳转 HTML（添加更多调试信息） console.log(`[${requestId}] 生成跳转页面，目标: http://${config.targetHost}/`); const html = generateRedirectHTML( cookieData, config.targetHost, config.targetDomain, requestId ); // 在响应头中设置 Cookie console.log(`[${requestId}] 设置响应头 Cookie...`); loginResult.cookies.forEach((cookie, index) => { // 修改 Cookie 的 Domain，移除端口号 let modifiedCookie = cookie.replace(/Domain=[^;]+/i, `Domain=${config.targetDomain}`); res.setHeader('Set-Cookie', modifiedCookie); console.log(`[${requestId}] 设置 Cookie ${index + 1}: ${modifiedCookie.substring(0, 80)}...`); }); const duration = Date.now() - startTime; console.log(`[${requestId}] 总耗时: ${duration}ms`); console.log(`[${requestId}] 返回跳转页面`); console.log('='.repeat(80) + '\n'); res.send(html); } catch (error) { const duration = Date.now() - startTime; console.error(`[${requestId}] 自动登录异常:`, error.message); console.error(`[${requestId}] 错误堆栈:`, error.stack); if (error.response) { console.error(`[${requestId}] 响应状态:`, error.response.status); console.error(`[${requestId}] 响应头:`, JSON.stringify(error.response.headers, null, 2)); console.error(`[${requestId}] 响应数据:`, JSON.stringify(error.response.data, null, 2)); } if (error.request) { console.error(`[${requestId}] 请求信息:`, { url: error.config?.url, method: error.config?.method, headers: error.config?.headers }); } console.log(`[${requestId}] 总耗时: ${duration}ms`); console.log('='.repeat(80) + '\n'); res.status(500).json({ success: false, message: '自动登录失败: ' + error.message, error: process.env.NODE_ENV === 'development' ? error.stack : undefined }); } }); // 获取所有配置的网站列表 app.get('/api/auto-login', (req, res) => { const sites = Object.keys(autoLoginConfig).map(siteId => ({ id: siteId, name: autoLoginConfig[siteId].name, endpoint: `/api/auto-login/${siteId}` })); res.json({ sites }); }); // 健康检查端点 app.get('/api/health', (req, res) => { res.json({ status: 'ok', timestamp: new Date().toISOString(), port: PORT, configuredSites: Object.keys(autoLoginConfig) }); }); // 测试端点 - 用于验证配置 app.get('/api/test/:siteId', (req, res) => { const { siteId } = req.params; const config = autoLoginConfig[siteId]; if (!config) { return res.json({ success: false, message: `未找到网站ID "${siteId}" 的配置`, availableSites: Object.keys(autoLoginConfig) }); } const envUsername = process.env[config.credentials.envUsername]; const envPassword = process.env[config.credentials.envPassword]; const credentials = { username: envUsername || config.credentials.username, password: envPassword || config.credentials.password }; res.json({ success: true, siteId, config: { name: config.name, targetBaseUrl: config.targetBaseUrl, loginMethod: config.loginMethod, loginUrl: config.loginUrl, hasCredentials: !!(credentials.username && credentials.password), credentialsSource: envUsername ? '环境变量' : '配置文件', username: credentials.username, passwordLength: credentials.password ? credentials.password.length : 0 } }); }); app.listen(PORT, '0.0.0.0', () => { console.log('\n' + '='.repeat(80)); console.log('🚀 后端服务器启动成功！'); console.log('='.repeat(80)); console.log(`📍 本地地址: http://localhost:${PORT}`); console.log(`📍 服务器地址: http://0.0.0.0:${PORT}`); console.log(`📍 外部访问: http://222.243.138.146:${PORT} (通过防火墙端口映射)`); console.log(`\n📋 已配置的自动登录网站: ${Object.keys(autoLoginConfig).join(', ') || '无'}`); console.log(`\n🔗 可用端点:`); console.log(` - 健康检查: http://localhost:${PORT}/api/health`); console.log(` - 测试配置: http://localhost:${PORT}/api/test/:siteId`); console.log(` - 自动登录: http://localhost:${PORT}/api/auto-login/:siteId`); console.log(`\n💡 提示: 确保防火墙已配置端口映射 (前端:8888, 后端:8889 -> 外网)`); console.log('='.repeat(80) + '\n'); });