@lock-dev/geo-block/dist/providers/index.js

Geographic blocking module for lock.dev security framework

// packages/geo-block/src/providers/index.ts
import * as fs from 'fs';
import { MaxMindProvider } from './maxmind';
import { IpApiProvider } from './ip-api';
/**
 * Create a geo lookup provider based on configuration
 * @param config Geo-blocking configuration
 */
export function createProvider(config) {
    // If using MaxMind, check if database exists
    if (config.provider === 'maxmind') {
        // Verify database exists when MaxMind is specified
        if (!config.maxmindDbPath || !fs.existsSync(config.maxmindDbPath)) {
            console.warn(`MaxMind database not found at path: ${config.maxmindDbPath || 'undefined'}. ` +
                `Falling back to ip-api.com service.`);
            // Fall back to ip-api service
            return new IpApiProvider(config);
        }
        return new MaxMindProvider(config);
    }
    // Handle other providers
    switch (config.provider) {
        case 'ipapi':
            return new IpApiProvider(config);
        case 'custom':
            if (!config.customLookup) {
                throw new Error('Custom lookup function must be provided when using custom provider');
            }
            return {
                init: async () => { },
                lookup: config.customLookup
            };
        default:
            // Default to ip-api if provider is unknown
            console.warn(`Unknown provider: ${config.provider}. Falling back to ip-api.com service.`);
            return new IpApiProvider(config);
    }
}