Add script to update GeoIP database

resources/net.geoip/updategeoip.php

@@ -0,0 +1,36 @@
+<?php
+
+echo "Downloading...\n";
+file_put_contents(__DIR__ . "/GeoLite2-City.tar.gz", file_get_contents("https://dl.netsyms.net/dbs/geolite2/GeoLite2-City.tar.gz"));
+
+echo "Extracting...\n";
+// decompress from gz
+$p = new PharData(__DIR__ . "/GeoLite2-City.tar.gz");
+$p->decompress();
+
+// unarchive from the tar
+$phar = new PharData(__DIR__ . "/GeoLite2-City.tar");
+mkdir(__DIR__ . "/tmp");
+$phar->extractTo(__DIR__ . "/tmp");
+
+echo "Installing...\n";
+$files = glob(__DIR__ . "/tmp/GeoLite2-City_*/GeoLite2-City.mmdb");
+if (count($files) == 1) {
+    rename($files[0], __DIR__ . "/GeoLite2-City.mmdb");
+}
+
+echo "Cleaning up...\n";
+unlink(__DIR__ . "/GeoLite2-City.tar.gz");
+unlink(__DIR__ . "/GeoLite2-City.tar");
+$dir = __DIR__ . "/tmp";
+$it = new RecursiveDirectoryIterator($dir, RecursiveDirectoryIterator::SKIP_DOTS);
+$files = new RecursiveIteratorIterator($it,
+             RecursiveIteratorIterator::CHILD_FIRST);
+foreach($files as $file) {
+    if ($file->isDir()){
+        rmdir($file->getRealPath());
+    } else {
+        unlink($file->getRealPath());
+    }
+}
+rmdir($dir);