<?php namespace App\Controllers; class ProxyController { const VALID_TIKTOK_DOMAINS = [ "tiktokcdn.com", "tiktokcdn-us.com", "tiktok.com" ]; static private function isValidDomain(string $url) { $host = parse_url($url, PHP_URL_HOST); $host_split = explode('.', $host); return count($host_split) === 3 && in_array($host_split[1] . '.' . $host_split[2], self::VALID_TIKTOK_DOMAINS); } static public function stream() { if (!isset($_GET['url'])) { die('You need to send a url!'); } $url = $_GET['url']; if (!filter_var($url, FILTER_VALIDATE_URL) || !self::isValidDomain($url)) { die('Not a valid URL'); } if (isset($_GET['download'])) { // Download $downloader = new \Sovit\TikTok\Download(); $downloader->url($url, "tiktok-video", 'mp4'); } else { // Stream $streamer = new \Sovit\TikTok\Stream(); $streamer->stream($url); } } }