Proxy\Plugin\YoutubePlugin::get_youtube_links PHP Method

    private function get_youtube_links($html)
    {
        if (preg_match('@url_encoded_fmt_stream_map["\']:\\s*["\']([^"\'\\s]*)@', $html, $matches)) {
            $parts = explode(",", $matches[1]);
            foreach ($parts as $p) {
                $query = str_replace('\\u0026', '&', $p);
                parse_str($query, $arr);
                $url = $arr['url'];
                if (isset($arr['sig'])) {
                    $url = $url . '&signature=' . $arr['sig'];
                } else {
                    if (isset($arr['signature'])) {
                        $url = $url . '&signature=' . $arr['signature'];
                    } else {
                        if (isset($arr['s'])) {
                            // this is probably a VEVO/ads video... signature must be decrypted first!
                            return $this->youtube_dl();
                        }
                    }
                }
                $result[$arr['itag']] = $url;
            }
            return $result;
        }
        return false;
    }