56 lines
1.4 KiB
TypeScript
56 lines
1.4 KiB
TypeScript
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require('dotenv').config();
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import fs from 'fs';
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import path from 'path';
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import https from 'https';
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import zlib from 'zlib';
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import tar from 'tar';
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if (process.env.VERCEL) {
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console.log('Vercel environment detected. Skipping geo setup.');
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process.exit(0);
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}
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const db = 'GeoLite2-City';
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let url = `https://raw.githubusercontent.com/GitSquared/node-geolite2-redist/master/redist/${db}.tar.gz`;
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if (process.env.MAXMIND_LICENSE_KEY) {
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url =
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`https://download.maxmind.com/app/geoip_download` +
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`?edition_id=${db}&license_key=${process.env.MAXMIND_LICENSE_KEY}&suffix=tar.gz`;
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}
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const dest = path.resolve(__dirname, '../geo');
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if (!fs.existsSync(dest)) {
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fs.mkdirSync(dest);
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}
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const download = (url: string): Promise<NodeJS.WritableStream> =>
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new Promise((resolve) => {
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https.get(url, (res) => {
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resolve(res.pipe(zlib.createGunzip({})).pipe(tar.t()));
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});
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});
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download(url).then(
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(res) =>
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new Promise<void>((resolve, reject) => {
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res.on('entry', (entry) => {
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if (entry.path.endsWith('.mmdb')) {
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const filename = path.join(dest, path.basename(entry.path));
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entry.pipe(fs.createWriteStream(filename));
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console.log('Saved geo database:', filename);
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}
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});
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res.on('error', (e) => {
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reject(e);
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});
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res.on('finish', () => {
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resolve();
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});
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})
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);
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