Facebook-Anonymous-Publisher/firewall

#!/usr/bin/env php
<?php

// url of geo file
$url = 'https://geolite.maxmind.com/download/geoip/database/GeoLite2-Country.tar.gz';

// filename for downloaded archive
$filename = 'temp.tar.gz';

// mmdb name
$mmdb = 'GeoLite2-Country.mmdb';

// save downloaded data to filesystem
file_put_contents($filename, file_get_contents($url));

// create PharData instance
$tar = new PharData($filename);

// get top directory name
$dirname = $tar->getFilename();

// extract archive
$tar->extractTo('db', "{$dirname}/{$mmdb}");

// move geo file
rename("db/{$dirname}/{$mmdb}", "db/{$mmdb}");

// remove temp directory
rmdir("db/{$dirname}");

// remove temp file
unlink($filename);