114 lines
2.8 KiB
JavaScript
114 lines
2.8 KiB
JavaScript
require('dotenv').config();
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/**
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* Application Configuration
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* Centralized configuration management for all environment variables
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*/
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const config = {
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// Server Configuration
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server: {
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nodeEnv: process.env.NODE_ENV || 'development',
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port: parseInt(process.env.PORT) || 3000,
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apiPrefix: process.env.API_PREFIX || '/api',
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isDevelopment: (process.env.NODE_ENV || 'development') === 'development',
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isProduction: process.env.NODE_ENV === 'production',
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isTest: process.env.NODE_ENV === 'test'
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},
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// Database Configuration
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database: {
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host: process.env.DB_HOST || 'localhost',
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port: parseInt(process.env.DB_PORT) || 3306,
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name: process.env.DB_NAME || 'interview_quiz_db',
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user: process.env.DB_USER || 'root',
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password: process.env.DB_PASSWORD || '',
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dialect: process.env.DB_DIALECT || 'mysql',
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pool: {
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max: parseInt(process.env.DB_POOL_MAX) || 10,
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min: parseInt(process.env.DB_POOL_MIN) || 0,
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acquire: parseInt(process.env.DB_POOL_ACQUIRE) || 30000,
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idle: parseInt(process.env.DB_POOL_IDLE) || 10000
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}
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},
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// JWT Configuration
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jwt: {
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secret: process.env.JWT_SECRET,
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expire: process.env.JWT_EXPIRE || '24h',
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algorithm: 'HS256'
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},
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// Rate Limiting Configuration
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rateLimit: {
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windowMs: parseInt(process.env.RATE_LIMIT_WINDOW_MS) || 900000, // 15 minutes
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maxRequests: parseInt(process.env.RATE_LIMIT_MAX_REQUESTS) || 100,
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message: 'Too many requests from this IP, please try again later.'
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},
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// CORS Configuration
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cors: {
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origin: process.env.CORS_ORIGIN || 'http://localhost:4200',
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credentials: true
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},
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// Guest Session Configuration
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guest: {
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sessionExpireHours: parseInt(process.env.GUEST_SESSION_EXPIRE_HOURS) || 24,
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maxQuizzes: parseInt(process.env.GUEST_MAX_QUIZZES) || 3
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},
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// Logging Configuration
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logging: {
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level: process.env.LOG_LEVEL || 'info'
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},
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// Pagination Defaults
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pagination: {
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defaultLimit: 10,
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maxLimit: 100
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},
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// Security Configuration
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security: {
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bcryptRounds: 10,
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maxLoginAttempts: 5,
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lockoutDuration: 15 * 60 * 1000 // 15 minutes
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}
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};
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/**
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* Validate critical configuration values
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*/
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function validateConfig() {
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const errors = [];
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if (!config.jwt.secret) {
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errors.push('JWT_SECRET is not configured');
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}
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if (!config.database.name) {
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errors.push('DB_NAME is not configured');
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}
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if (config.server.isProduction && !config.database.password) {
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errors.push('DB_PASSWORD is required in production');
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}
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if (errors.length > 0) {
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throw new Error(`Configuration errors:\n - ${errors.join('\n - ')}`);
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}
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return true;
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}
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// Validate on module load
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try {
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validateConfig();
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} catch (error) {
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console.error('❌ Configuration Error:', error.message);
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process.exit(1);
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}
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module.exports = config;
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