133 lines
4.2 KiB
JavaScript
133 lines
4.2 KiB
JavaScript
/**
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* 日志中间件
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*/
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const { defaultLogger } = require('../utils/logger');
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// 颜色常量
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const METHOD_COLORS = {
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GET: '\x1b[32m', // 绿色
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POST: '\x1b[34m', // 蓝色
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PUT: '\x1b[33m', // 黄色
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DELETE: '\x1b[31m', // 红色
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PATCH: '\x1b[35m', // 紫色
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DEFAULT: '\x1b[37m' // 白色
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};
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// 状态码颜色
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const STATUS_COLORS = {
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SUCCESS: '\x1b[32m', // 2xx - 绿色
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REDIRECT: '\x1b[36m', // 3xx - 青色
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CLIENT_ERROR: '\x1b[33m', // 4xx - 黄色
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SERVER_ERROR: '\x1b[31m' // 5xx - 红色
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};
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// 响应时间颜色
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const DURATION_COLORS = {
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FAST: '\x1b[32m', // < 100ms - 绿色
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MEDIUM: '\x1b[33m', // < 500ms - 黄色
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SLOW: '\x1b[31m' // >= 500ms - 红色
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};
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const RESET_COLOR = '\x1b[0m';
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// 创建logger实例
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const logger = defaultLogger.child('API');
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/**
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* 自定义日志中间件
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*/
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function loggerMiddleware(req, res, next) {
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// 过滤掉静态资源请求和图片代理请求
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const isStaticResource =
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req.path.startsWith('/assets/') ||
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req.path.startsWith('/downloads/') ||
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req.path.includes('.js') ||
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req.path.includes('.css') ||
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req.path.includes('.ico') ||
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req.path.includes('.png') ||
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req.path.includes('.jpg') ||
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req.path.includes('.jpeg') ||
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req.path.includes('.gif') ||
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req.path.includes('.svg') ||
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req.path.includes('.woff') ||
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req.path.includes('.woff2') ||
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req.path.includes('.ttf') ||
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req.path.includes('.eot');
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// 过滤掉图片代理请求
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const isImageProxy = req.path === '/api/proxy/image';
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// 过滤掉下载任务状态查询请求
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const isDownloadTasksQuery =
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req.path === '/api/download/tasks' ||
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req.path === '/api/download/tasks/active' ||
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req.path === '/api/download/tasks/summary' ||
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req.path === '/api/download/tasks/changes' ||
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req.path === '/api/download/tasks/completed';
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// 过滤掉仓库预览请求（图片预览）
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const isRepositoryPreview = req.path === '/api/repository/preview';
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// 过滤掉健康检查请求
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const isHealthCheck = req.path === '/health';
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// 过滤掉获取作者作品的API请求
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const isArtistArtworksQuery = /^\/api\/artist\/\d+\/artworks/.test(req.path);
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// 过滤掉作品详情请求
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const isArtworkDetailQuery = /^\/api\/artwork\/\d+/.test(req.path);
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// 过滤掉仓库下载检查请求
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const isRepositoryCheckDownloadedQuery = /^\/api\/repository\/check-downloaded\/\d+/.test(req.path);
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// 只记录重要的API请求，排除静态资源、图片代理、下载任务查询、仓库预览、健康检查、作者作品查询、作品详情和仓库下载检查
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if (!isStaticResource && !isImageProxy && !isDownloadTasksQuery && !isRepositoryPreview && !isHealthCheck && !isArtistArtworksQuery && !isArtworkDetailQuery && !isRepositoryCheckDownloadedQuery) {
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const start = Date.now();
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// 原始响应结束方法
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const originalEnd = res.end;
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// 重写响应结束方法以获取响应时间
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res.end = function (chunk, encoding) {
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const duration = Date.now() - start;
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const statusCode = res.statusCode;
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const method = req.method;
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const url = req.originalUrl;
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// 获取方法颜色
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const methodColor = METHOD_COLORS[method] || METHOD_COLORS.DEFAULT;
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// 获取状态码颜色
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let statusColor;
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if (statusCode >= 200 && statusCode < 300) {
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statusColor = STATUS_COLORS.SUCCESS;
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} else if (statusCode >= 300 && statusCode < 400) {
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statusColor = STATUS_COLORS.REDIRECT;
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} else if (statusCode >= 400 && statusCode < 500) {
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statusColor = STATUS_COLORS.CLIENT_ERROR;
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} else {
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statusColor = STATUS_COLORS.SERVER_ERROR;
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}
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// 获取响应时间颜色
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let durationColor;
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if (duration < 100) {
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durationColor = DURATION_COLORS.FAST;
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} else if (duration < 500) {
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durationColor = DURATION_COLORS.MEDIUM;
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} else {
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durationColor = DURATION_COLORS.SLOW;
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}
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// 输出彩色日志
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logger.info(`${methodColor}[${method}]${RESET_COLOR} ${url} ${statusColor}${statusCode}${RESET_COLOR} ${durationColor}${duration}ms${RESET_COLOR}`);
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// 调用原始的end方法
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originalEnd.call(this, chunk, encoding);
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};
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}
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next();
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}
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module.exports = { loggerMiddleware }; |