Ошибка при скачивании через ссылку leech

<?php
/*
=====================================================
DataLife Engine - by SoftNews Media Group
-----------------------------------------------------
http://dle-news.ru/
-----------------------------------------------------
Copyright (c) 2004,2012 SoftNews Media Group
=====================================================
Данный код защищен авторскими правами
=====================================================
Файл: go.php
-----------------------------------------------------
Назначение: Переадресация ссылки
=====================================================
*/

function reset_url($url) {
$value = str_replace ( "http://", "", $url );
$value = str_replace ( "https://", "", $value );
$value = str_replace ( "www.", "", $value );
$value = explode ( "/", $value );
$value = reset ( $value );
return $value;
}
$url = @rawurldecode ( $_GET['url'] );
$url = @base64_decode ( $url );
$url = @str_replace ( "&", "&", $url );

$_SERVER['HTTP_REFERER'] = reset_url ( $_SERVER['HTTP_REFERER'] );
$_SERVER['HTTP_HOST'] = reset_url ( $_SERVER['HTTP_HOST'] );

if (($_SERVER['HTTP_HOST'] != $_SERVER['HTTP_REFERER']) or $url == "") {
@header ( 'Location: /index.php' );
die ( "Access denied!!!

Please visit {$_SERVER['HTTP_HOST']}" );
}

@header ( 'Location: ' . $url );

die ( "Link Redirect:

Please click here." );
?>