go.php

<?php
header("HTTP/1.0 200 OK");
require_once("includes/config.php");
require_once("includes/geoip/geoip.inc");
$_ENABLE_GEO = true;
require_once("includes/functions.php");
require_once ("includes/isoregion.php");
db_connect();

$getalias = trim(mysql_real_escape_string($_SERVER['REQUEST_URI']));
$alias = substr($getalias, 1, strlen($getalias));

if (preg_match("/^[a-zA-Z0-9_-]+\-$/", $alias)) {
	define('PHURL', true);
	include "includes/themes/default/header.php";
	include "includes/stats.php";
	include "includes/themes/default/footer.php";
	die();
} elseif (!preg_match("/^[a-zA-Z0-9_]+$/", $alias)) {
	header("Location: ".get_phurl_option('site_url'), true, 301);
	exit();
} else {

	if (($url = get_url($alias))) {
		$blcheck = file_get_contents("http://gsb.phurlproject.org/lookup.php?url=$url");
		if (trim($blcheck) == "1") {
			define('PHURL', true);
			include "includes/themes/default/header.php";
			echo "<div align=\"center\"><div class=\"noooo\"><h2>Blacklisted URL Blocked</h2><p>The page you requested has been identified as malicious. As a result of this, we regret that we can't forward you there.</p><p>Sorry about that.</p></div></div><br/>";
			include "includes/themes/default/footer.php";
			die();
		} else {
			$db_result = mysql_query("SELECT password FROM ".DB_PREFIX."urls WHERE alias='$alias' OR code='$alias'");
			$urlPass = mysql_fetch_assoc($db_result);
			$urlPass = $urlPass['password'];
			if ($urlPass != "") {
				header("Location: password.php?alias=".$alias);
				exit();
			}
			$country = maxmind_geoip($_SERVER['REMOTE_ADDR']);
			$result=mysql_query("SELECT count(*) as numrecords FROM ".DB_PREFIX."stats WHERE BINARY alias='$alias' and country='$country'") or die ('An error was encountered. Please refer to phurl support for more info. :('); 
			$row=mysql_fetch_assoc($result);
			if ($row['numrecords'] >= 1){
				mysql_query("UPDATE `".DB_PREFIX."stats` SET `clicks` = clicks+1 WHERE `alias` = '$alias' and `country` = '$country';");    
			} else {
				mysql_query("INSERT INTO ".DB_PREFIX."stats (alias, country, clicks) VALUES ('$alias', '$country', '1');");
			} 
			header("Location: $url", true, 301);
			exit();
		}
	}
}
header("Location: ".get_phurl_option('site_url'), true, 301);
?>