FedMCP - Federal Parliamentary Information

/** * Configuration management for GraphQL API */ import { config as loadEnv } from 'dotenv'; import { fileURLToPath } from 'url'; import { dirname, join } from 'path'; // Load .env file const __filename = fileURLToPath(import.meta.url); const __dirname = dirname(__filename); loadEnv({ path: join(__dirname, '../.env') }); export interface Config { neo4j: { uri: string; user: string; password: string; }; server: { port: number; host: string; }; graphql: { introspection: boolean; playground: boolean; allowedIPs: string[]; }; auth: { required: boolean; jwtSecret: string; }; cors: { origins: string[]; }; nodeEnv: string; } function getRequiredEnv(key: string): string { const value = process.env[key]; if (!value) { throw new Error(`Missing required environment variable: ${key}`); } return value; } function getEnv(key: string, defaultValue: string): string { return process.env[key] || defaultValue; } export const config: Config = { neo4j: { uri: getRequiredEnv('NEO4J_URI'), user: getEnv('NEO4J_USER', 'neo4j'), password: getRequiredEnv('NEO4J_PASSWORD'), }, server: { port: parseInt(getEnv('PORT', '4000'), 10), host: getEnv('HOST', '0.0.0.0'), }, graphql: { introspection: getEnv('GRAPHQL_INTROSPECTION', 'true') === 'true', playground: getEnv('GRAPHQL_PLAYGROUND', 'true') === 'true', allowedIPs: getEnv('GRAPHIQL_ALLOWED_IPS', '').split(',').filter(Boolean), }, auth: { required: getEnv('AUTH_REQUIRED', 'true') === 'true', jwtSecret: getEnv('JWT_SECRET', 'not-used-yet'), }, cors: { origins: getEnv('CORS_ORIGINS', 'http://localhost:3000').split(/[,;]/), }, nodeEnv: getEnv('NODE_ENV', 'development'), }; export function validateConfig(): void { console.log('🔍 Validating configuration...'); console.log(`Neo4j URI: ${config.neo4j.uri}`); console.log(`Server Port: ${config.server.port}`); console.log(`Environment: ${config.nodeEnv}`); // Validate CORS origins console.log(`CORS Origins (raw): ${JSON.stringify(config.cors.origins)}`); if (!Array.isArray(config.cors.origins)) { throw new Error(`CORS_ORIGINS failed to parse into array. Got: ${typeof config.cors.origins}`); } if (config.cors.origins.length === 0) { throw new Error('CORS_ORIGINS must contain at least one origin'); } // Validate each origin is a valid URL config.cors.origins.forEach((origin, idx) => { try { new URL(origin); } catch (e) { throw new Error(`Invalid CORS origin at index ${idx}: "${origin}". Must be a valid URL (e.g., https://example.com)`); } }); console.log(`✅ CORS Origins (${config.cors.origins.length}): ${config.cors.origins.join(', ')}`); console.log('✅ Configuration valid'); }