100 lines
2.8 KiB
JavaScript
100 lines
2.8 KiB
JavaScript
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const fs = require('fs');
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const path = require('path');
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const config = require('../config');
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// Создать директорию для логов если её нет
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const logsDir = path.join(__dirname, '../logs');
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if (!fs.existsSync(logsDir)) {
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fs.mkdirSync(logsDir, { recursive: true });
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}
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// Функция для логирования
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const log = (level, message, data = {}) => {
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const timestamp = new Date().toISOString();
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const logMessage = `[${timestamp}] [${level.toUpperCase()}] ${message}`;
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// Логирование в консоль
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if (level === 'error') {
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console.error(logMessage, data);
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} else if (level === 'warn') {
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console.warn(logMessage, data);
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} else {
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console.log(logMessage, data);
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}
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// Логирование в файл (только в production)
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if (config.isProduction()) {
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const logFile = path.join(logsDir, `${level}.log`);
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const fileMessage = `${logMessage} ${JSON.stringify(data)}\n`;
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fs.appendFile(logFile, fileMessage, (err) => {
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if (err) {
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console.error('Ошибка записи в лог файл:', err);
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}
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});
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}
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};
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// Middleware для логирования запросов
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const requestLogger = (req, res, next) => {
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const start = Date.now();
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// Логировать после завершения запроса
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res.on('finish', () => {
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const duration = Date.now() - start;
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const logData = {
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method: req.method,
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path: req.path,
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status: res.statusCode,
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duration: `${duration}ms`,
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ip: req.ip,
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userAgent: req.get('user-agent'),
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userId: req.user?.id || 'anonymous'
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};
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if (res.statusCode >= 400) {
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log('error', 'Request failed', logData);
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} else if (res.statusCode >= 300) {
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log('warn', 'Request redirect', logData);
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} else {
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log('info', 'Request completed', logData);
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}
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});
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next();
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};
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// Логирование подозрительной активности
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const logSecurityEvent = (type, req, details = {}) => {
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const securityData = {
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type,
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ip: req.ip,
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userAgent: req.get('user-agent'),
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path: req.path,
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method: req.method,
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userId: req.user?.id || 'anonymous',
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...details
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};
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log('warn', 'Security event', securityData);
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// В production можно отправить уведомление
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if (config.isProduction()) {
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const securityLogFile = path.join(logsDir, 'security.log');
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const message = `[${new Date().toISOString()}] [SECURITY] ${type}: ${JSON.stringify(securityData)}\n`;
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fs.appendFile(securityLogFile, message, (err) => {
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if (err) {
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console.error('Ошибка записи в security лог:', err);
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}
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});
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}
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};
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module.exports = {
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log,
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requestLogger,
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logSecurityEvent
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};
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