/************************************************************\
*
*		ip2country Copyright 2005 Howard Yeend
*		www.puremango.co.uk
*
*    This file is part of ip2country.
*
*    ip2country is free software; you can redistribute it and/or modify
*    it under the terms of the GNU General Public License as published by
*    the Free Software Foundation; either version 2 of the License, or
*    (at your option) any later version.
*
*    ip2country is distributed in the hope that it will be useful,
*    but WITHOUT ANY WARRANTY; without even the implied warranty of
*    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
*    GNU General Public License for more details.
*
*    You should have received a copy of the GNU General Public License
*    along with ip2country; if not, write to the Free Software
*    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*
*
\************************************************************/
<style>
	body{
		font-family: courier;
		size: 12px;
	}
</style>
<?

$local_db = "./countrydb.txt";
$remote_db = "http://ip.ludost.net/raw/country.db.gz";

if(!empty($_GET['ip']))
{
	$ip = $_GET['ip'];

	// it's big, so only get it if the current database is a week or more old.
	// or if there is no local database (for whatever reason)

	$last_db_update = (time() - filemtime($local_db))/60/60/24;
	if(($last_db_update >= 7) || !file_exists($local_db))
	{
		// try to get new db from web
		echo "Updating database, please wait a while.<br />";
		flush();

		// get contents of a gz-file into an array
		$array_gz_contents = gzfile($remote_db);

		if(is_array($array_gz_contents) && sizeof($array_gz_contents)>0)
		{
			// convert to string
			$gz_contents = "";
			foreach ($array_gz_contents as $gz_line)
			{
				$gz_contents .= $gz_line;
			}

			// silently backup local version
			if(file_exists($local_db))
			{
				// (overwrites the previous backup)
				// (but TBH, there's no reason to back it up anyway...)
				// (unless the live one gets corrupted/dissappears)
				copy($local_db,$local_db.".old");
			}

			// write to local version
			$handle = fopen($local_db, 'w');
			if($handle && !empty($gz_contents))
			{
				 fwrite($handle,$gz_contents);
			}
			fclose($handle);
	
			$last_db_update = 0;
			echo "Updated OK.<br />";
		} else {
			echo "Update failed. Using old database.<br />";
		}
	}

	// load database
	$ip_list = file($local_db);
	$found = false;

	foreach($ip_list as $ip_record)
	{
		$ip_record = explode(" ",$ip_record);
		if(ip2long($ip)>=ip2long($ip_record[0]) && ip2long($ip)<=ip2long($ip_record[1]))
		{
			echo "Country: ".$ip_record[2]." (range: ".$ip_record[0]." - ".$ip_record[1].")<br />";
			$found = true;
			break;
		}
	}

	if(!$found)
	{
		echo "Cannot find that IP in database.<br />";
	}
	echo "Database last updated ~".round($last_db_update)." days ago.";
} else {
	$ip = $_SERVER['REMOTE_ADDR'];
}
?>
<form action="<?=$_SERVER['PHP_SELF']?>" method="get">
IP: <input type="text" name="ip" value="<?=$ip?>"> <input type="submit" value="Find Country">
</form>