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<?php declare(strict_types=1); |
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/** |
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* ownCloud - Music app |
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* |
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* This file is licensed under the Affero General Public License version 3 or |
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* later. See the COPYING file. |
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* |
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* @author Moahmed-Ismail MEJRI <[email protected]> |
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* @copyright Moahmed-Ismail MEJRI 2022 |
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*/ |
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namespace OCA\Music\Utility; |
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/** |
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* MetaData radio utility functions |
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*/ |
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class RadioMetadata { |
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private static function findStr($data, $str) { |
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$ret = ""; |
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foreach ($data as $value) { |
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$find = strstr($value, $str); |
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if ($find !== false) { |
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$ret = $find; |
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break; |
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} |
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} |
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return $ret; |
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} |
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private static function parseStreamUrl($url) { |
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$parse_url = parse_url($url); |
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$ret['port'] = 80; |
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if (isset($parse_url['port'])) { |
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$ret['port'] = $parse_url['port']; |
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} else if ($parse_url['scheme'] == "https") { |
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$ret['port'] = 443; |
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} |
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$ret['hostname'] = $parse_url['host']; |
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$ret['pathname'] = $parse_url['path']; |
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if (isset($parse_url['query'])) { |
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$ret['pathname'] .= "?" . $parse_url['query']; |
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} |
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if ($parse_url['scheme'] == "https") { |
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$ret['sockadd'] = "ssl://" . $ret['hostname']; |
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} else { |
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$ret['sockadd'] = $ret['hostname']; |
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} |
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return $ret; |
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} |
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public static function fetchUrlData($url) : array { |
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$content = \file_get_contents($url); |
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list($version, $status_code, $msg) = explode(' ', $http_response_header[0], 3); |
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return [$content, $status_code, $msg]; |
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} |
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public static function fetchStreamData($url, $maxattempts, $maxredirect) { |
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$timeout = 10; |
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$streamTitle = ""; |
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$pUrl = self::parseStreamUrl($url); |
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if (($pUrl['sockadd']) && ($pUrl['port'])) { |
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$fp = fsockopen($pUrl['sockadd'], $pUrl['port'], $errno, $errstr, $timeout); |
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if ($fp != false) { |
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$out = "GET " . $pUrl['pathname'] . " HTTP/1.1\r\n"; |
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$out .= "Host: ". $pUrl['hostname'] . "\r\n"; |
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$out .= "Accept: */*\r\n"; /* test */ |
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$out .= "User-Agent: OCMusic/1.52\r\n"; |
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$out .= "Icy-MetaData: 1\r\n"; |
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$out .= "Connection: Close\r\n\r\n"; |
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fwrite($fp, $out); |
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stream_set_timeout($fp, $timeout); |
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$header = fread($fp, 1024); |
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$headers = explode("\n", $header); |
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if (strstr($headers[0], "200 OK") !== false) { |
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$interval = 0; |
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$line = self::findStr($headers, "icy-metaint:"); |
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if ($line) { |
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$interval = trim(explode(':', $line)[1]); |
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} |
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if (($interval)&&($interval<64001)) { |
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$attempts = 0; |
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while ($attempts < $maxattempts) { |
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for ($j = 0; $j < $interval; $j++) { |
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fread($fp, 1); |
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} |
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$meta_length = ord(fread($fp, 1)) * 16; |
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if ($meta_length) { |
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$metadatas = explode(';', fread($fp, $meta_length)); |
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$metadata = self::findStr($metadatas, "StreamTitle"); |
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if ($metadata) { |
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$streamTitle = trim(explode('=', $metadata)[1], "'"); |
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if (strlen($streamTitle) > 256) { |
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$streamTitle = ""; |
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} |
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break; |
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} |
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} |
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$attempts++; |
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} |
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} |
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} else if (($maxredirect>0)&&(strstr($headers[0], "302 Found") !== false)) { |
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$value = self::findStr($headers, "Location:"); |
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if ($value) { |
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$location = trim(substr($value, 10), "\r"); |
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$streamTitle = RadioMetadata::fetchStreamData($location, $maxattempts, $maxredirect-1); |
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} |
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} |
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fclose($fp); |
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} |
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} |
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return $streamTitle; |
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} |
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} |
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owncloud /
music
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