YNAB MCP

/** * Logger utility for YNAB MCP * Provides consistent logging across the application */ const winston = require('winston'); const config = require('../../config-example'); // Define log format const logFormat = winston.format.printf(({ level, message, timestamp, ...meta }) => { return `${timestamp} ${level.toUpperCase()}: ${message} ${ Object.keys(meta).length ? JSON.stringify(meta, null, 2) : '' }`; }); // Create logger instance const logger = winston.createLogger({ level: process.env.LOG_LEVEL || config.server.logLevel || 'info', format: winston.format.combine( winston.format.timestamp({ format: 'YYYY-MM-DD HH:mm:ss' }), winston.format.errors({ stack: true }), logFormat ), transports: [ new winston.transports.Console({ stderrLevels: ['error'], }), ], // Don't exit on error exitOnError: false, }); // Filter sensitive data from logs const filterSensitiveData = (message) => { if (typeof message !== 'string') return message; // Filter out tokens, client secrets, etc. return message .replace(/("access_token":\s*)"[^"]*"/g, '$1"[FILTERED]"') .replace(/("refresh_token":\s*)"[^"]*"/g, '$1"[FILTERED]"') .replace(/("client_secret":\s*)"[^"]*"/g, '$1"[FILTERED]"') .replace(/Bearer [a-zA-Z0-9\-_]+\.[a-zA-Z0-9\-_]+\.[a-zA-Z0-9\-_]+/g, 'Bearer [FILTERED]'); }; // Create a wrapped logger that filters sensitive data const secureLogger = { error: (message, ...args) => logger.error(filterSensitiveData(message), ...args), warn: (message, ...args) => logger.warn(filterSensitiveData(message), ...args), info: (message, ...args) => logger.info(filterSensitiveData(message), ...args), verbose: (message, ...args) => logger.verbose(filterSensitiveData(message), ...args), debug: (message, ...args) => logger.debug(filterSensitiveData(message), ...args), }; module.exports = { logger: secureLogger };