require('dotenv').config(); const fs = require('fs'); const path = require('path'); const https = require('https'); const zlib = require('zlib'); const tar = require('tar'); let url = 'https://raw.githubusercontent.com/GitSquared/node-geolite2-redist/master/redist/GeoLite2-Country.tar.gz'; if (process.env.MAXMIND_LICENSE_KEY) { url = `https://download.maxmind.com/app/geoip_download` + `?edition_id=GeoLite2-Country&license_key=${process.env.MAXMIND_LICENSE_KEY}&suffix=tar.gz`; } const dest = path.resolve(__dirname, '../public/geo'); if (!fs.existsSync(dest)) { fs.mkdirSync(dest); } const download = url => new Promise(resolve => { https.get(url, res => { resolve(res.pipe(zlib.createGunzip({})).pipe(tar.t())); }); }); download(url).then( res => new Promise((resolve, reject) => { res.on('entry', entry => { if (entry.path.endsWith('.mmdb')) { const filename = path.join(dest, path.basename(entry.path)); entry.pipe(fs.createWriteStream(filename)); console.log('Saved geo database:', filename); } }); res.on('error', e => { reject(e); }); res.on('finish', () => { resolve(); }); }), );