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umami/scripts/build-geo.js

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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`;
}
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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();
});
}),
);