RadioService::readIcyMetadata() - Code Metrics - owncloud/music - Measure and Improve Code Quality continuously with Scrutinizer

RadioService::readIcyMetadata() C
last analyzed 2025-11-02 20:35 UTC

↳ Parent: RadioService

Complexity

Conditions	13
Paths	7

Size

Total Lines	65
Code Lines	45

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
cc	13
eloc	45
c	1
b	0
f	0
nc	7
nop	3
dl	0
loc	65
rs	6.6166

How to fix Long Method Complexity

<?php declare(strict_types=1);

/**
 * ownCloud - Music app
 *
 * This file is licensed under the Affero General Public License version 3 or
 * later. See the COPYING file.
 *
 * @author Moahmed-Ismail MEJRI <[email protected]>
 * @author Pauli Järvinen <[email protected]>
 * @copyright Moahmed-Ismail MEJRI 2022
 * @copyright Pauli Järvinen 2022 - 2025
 */

namespace OCA\Music\Service;

use OCA\Music\AppFramework\Core\Logger;
use OCA\Music\Utility\HttpUtil;
use OCA\Music\Utility\StringUtil;
use OCA\Music\Utility\Util;
use OCP\IURLGenerator;

/**
 * MetaData radio utility functions
 */
class RadioService {

	private IURLGenerator $urlGenerator;
	private StreamTokenService $tokenService;
	private Logger $logger;

	public function __construct(IURLGenerator $urlGenerator, StreamTokenService $tokenService, Logger $logger) {
		$this->urlGenerator = $urlGenerator;
		$this->tokenService = $tokenService;
		$this->logger = $logger;
	}

	/**
	 * Loop through the array and try to find the given key. On match, return the
	 * text in the array cell following the key. Whitespace is trimmed from the result.
	 */
	private static function findStrFollowing(array $data, string $key) : ?string {
		foreach ($data as $value) {
			$find = \strstr($value, $key);
			if ($find !== false) {
				return \trim(\substr($find, \strlen($key)));
			}
		}
		return null;
	}

	private static function parseStreamUrl(string $url) : array {
		$ret = [];
		$parse_url = \parse_url($url);

		$ret['port'] = 80;
		if (isset($parse_url['port'])) {
			$ret['port'] = $parse_url['port'];
		} else if ($parse_url['scheme'] == "https") {
			$ret['port'] = 443;
		}

		$ret['scheme'] = $parse_url['scheme'];
		$ret['hostname'] = $parse_url['host'];
		$ret['pathname'] = $parse_url['path'] ?? '/';

		if (isset($parse_url['query'])) {
			$ret['pathname'] .= "?" . $parse_url['query'];
		}

		if ($parse_url['scheme'] == "https") {
			$ret['sockAddress'] = "ssl://" . $ret['hostname'];
		} else {
			$ret['sockAddress'] = $ret['hostname'];
		}

		return $ret;
	}

	/**
	 * @param resource $fp File handle
	 */
	private static function parseTitleFromStreamMetadata($fp) : ?string {
		$meta_length = \ord(\fread($fp, 1)) * 16;
		if ($meta_length) {
			$metadatas = \explode(';', \fread($fp, $meta_length));
			$title = self::findStrFollowing($metadatas, "StreamTitle=");
			if ($title) {
				return StringUtil::truncate(\trim($title, "'"), 256);
			}
		}
		return null;
	}

	private function readMetadata(string $metaUrl, callable $parseResult) : ?array {
		$maxLength = 32 * 1024;
		$timeout_s = 8;
		list('content' => $content, 'status_code' => $status_code, 'message' => $message)
			= HttpUtil::loadFromUrl($metaUrl, $maxLength, $timeout_s);

		if ($status_code == 200) {
			return $parseResult($content);
		} else {
			$this->logger->debug("Failed to read $metaUrl: $status_code $message");
			return null;
		}
	}

	public function readShoutcastV1Metadata(string $streamUrl) : ?array {
		// cut the URL from the last '/' and append 7.html
		$lastSlash = \strrpos($streamUrl, '/');
		$metaUrl = \substr($streamUrl, 0, $lastSlash) . '/7.html';

		return $this->readMetadata($metaUrl, function ($content) {
			// parsing logic borrowed from https://github.com/IntellexApps/shoutcast/blob/master/src/Info.php

			// get rid of the <html><body>...</html></body> decorations and extra spacing:
			$content = \preg_replace("[\n\t]", '', \trim(\strip_tags($content)));

			// parse fields, allowing only the expected format
			$match = [];
			if (!\preg_match('~^(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*,(.*?)$~', $content, $match)) {
				return null;
			} else {
				return [
					'type' => 'shoutcast-v1',
					'title' => $match[7],
					'bitrate' => $match[6]
				];
			}
		});
	}

	public function readShoutcastV2Metadata(string $streamUrl) : ?array {
		// cut the URL from the last '/' and append 'stats'
		$lastSlash = \strrpos($streamUrl, '/');
		$metaUrl = \substr($streamUrl, 0, $lastSlash) . '/stats';

		return $this->readMetadata($metaUrl, function ($content) {
			$rootNode = \simplexml_load_string($content, \SimpleXMLElement::class, LIBXML_NOCDATA);
			if ($rootNode === false || $rootNode->getName() != 'SHOUTCASTSERVER') {
				return null;
			} else {
				return [
					'type' => 'shoutcast-v2',
					'title' => (string)$rootNode->SONGTITLE,
					'station' => (string)$rootNode->SERVERTITLE,
					'homepage' => (string)$rootNode->SERVERURL,
					'genre' => (string)$rootNode->SERVERGENRE,
					'bitrate' => (string)$rootNode->BITRATE
				];
			}
		});
	}

	public function readIcecastMetadata(string $streamUrl) : ?array {
		// cut the URL from the last '/' and append 'status-json.xsl'
		$lastSlash = \strrpos($streamUrl, '/');
		$metaUrl = \substr($streamUrl, 0, $lastSlash) . '/status-json.xsl';

		return $this->readMetadata($metaUrl, function ($content) use ($streamUrl) {
			\mb_substitute_character(0xFFFD); // Use the Unicode REPLACEMENT CHARACTER (U+FFFD)
			$content = \mb_convert_encoding($content, 'UTF-8', 'UTF-8');
			$parsed = \json_decode(/** @scrutinizer ignore-type */ $content, true);
			$source = $parsed['icestats']['source'] ?? null;

			if (!\is_array($source)) {
				return null;
			} else {
				// There may be one or multiple sources and the structure is slightly different in these two cases.
				// In case there are multiple, try to found the source with a matching stream URL.
				if (\is_int(\key($source))) {
					// multiple sources
					foreach ($source as $sourceItem) {
						if ($sourceItem['listenurl'] == $streamUrl) {
							$source = $sourceItem;
							break;
						}
					}
				}

				return [
					'type' => 'icecast',
					'title' => $source['title'] ?? $source['yp_currently_playing'] ?? null,
					'station' => $source['server_name'] ?? null,
					'description' => $source['server_description'] ?? null,
					'homepage' => $source['server_url'] ?? null,
					'genre' => $source['genre'] ?? null,
					'bitrate' => $source['bitrate'] ?? null
				];
			}
		});
	}

	public function readIcyMetadata(string $streamUrl, int $maxattempts, int $maxredirect) : ?array {
		$timeout = 10;
		$result = null;
		$pUrl = self::parseStreamUrl($streamUrl);
		if ($pUrl['sockAddress'] && $pUrl['port']) {
			$fp = \fsockopen($pUrl['sockAddress'], $pUrl['port'], $errno, $errstr, $timeout);
			if ($fp !== false) {
				$out = "GET " . $pUrl['pathname'] . " HTTP/1.1\r\n";
				$out .= "Host: ". $pUrl['hostname'] . "\r\n";
				$out .= "Accept: */*\r\n";
				$out .= HttpUtil::userAgentHeader() . "\r\n";
				$out .= "Icy-MetaData: 1\r\n";
				$out .= "Connection: Close\r\n\r\n";
				\fwrite($fp, $out);
				\stream_set_timeout($fp, $timeout);

				$header = \fread($fp, 1024);
				$headers = \explode("\n", $header);

				if (\strpos($headers[0], "200 OK") !== false) {
					$interval = self::findStrFollowing($headers, "icy-metaint:") ?? '0';
					$interval = (int)$interval;

					if ($interval > 0 && $interval <= 64*1024) {
						$result = [
							'type' => 'icy',
							'title' => null, // fetched below
							'station' => self::findStrFollowing($headers, 'icy-name:'),
							'description' => self::findStrFollowing($headers, 'icy-description:'),
							'homepage' => self::findStrFollowing($headers, 'icy-url:'),
							'genre' => self::findStrFollowing($headers, 'icy-genre:'),
							'bitrate' => self::findStrFollowing($headers, 'icy-br:')
						];

						$attempts = 0;
						while ($attempts < $maxattempts && empty($result['title'])) {
							$bytesToSkip = $interval;
							if ($attempts === 0) {
								// The first chunk containing the header may also already contain the beginning of the body,
								// but this depends on the case. Subtract the body bytes which we already got.
								$headerEndPos = \strpos($header, "\r\n\r\n") + 4;
								$bytesToSkip -= \strlen($header) - $headerEndPos;
							}

							\fseek($fp, $bytesToSkip, SEEK_CUR);

							$result['title'] = self::parseTitleFromStreamMetadata($fp);

							$attempts++;
						}
					}
					\fclose($fp);
				} else {
					\fclose($fp);
					if ($maxredirect > 0 && \strpos($headers[0], "302 Found") !== false) {
						$location = self::findStrFollowing($headers, "Location:");
						if ($location) {
							$result = $this->readIcyMetadata($location, $maxattempts, $maxredirect-1);
						}
					}
				}
			}
		}

		return $result;
	}

	private static function convertUrlOnPlaylistToAbsolute(string $containedUrl, array $playlistUrlParts) : string {
		if (!StringUtil::startsWith($containedUrl, 'http://', true) && !StringUtil::startsWith($containedUrl, 'https://', true)) {
			$urlParts = $playlistUrlParts;
			$path = $urlParts['path'];
			$lastSlash = \strrpos($path, '/');
			$urlParts['path'] = \substr($path, 0, $lastSlash + 1) . $containedUrl;
			unset($urlParts['query']);
			unset($urlParts['fragment']);
			$containedUrl = Util::buildUrl($urlParts);
		}
		return $containedUrl;
	}

	/**
	 * Sometimes the URL given as stream URL points to a playlist which in turn contains the actual
	 * URL to be streamed. This function resolves such indirections.
	 */
	public function resolveStreamUrl(string $url) : array {
		// the default output for non-playlist URLs:
		$resolvedUrl = $url;
		$isHls = false;

		$urlParts = \parse_url($url);
		$lcPath = \mb_strtolower($urlParts['path'] ?? '/');

		$isPls = StringUtil::endsWith($lcPath, '.pls');
		$isM3u = !$isPls && (StringUtil::endsWith($lcPath, '.m3u') || StringUtil::endsWith($lcPath, '.m3u8'));

		if ($isPls || $isM3u) {
			$maxLength = 8 * 1024;
			list('content' => $content, 'status_code' => $status_code, 'message' => $message) = HttpUtil::loadFromUrl($url, $maxLength);

			if ($status_code != 200) {
				$this->logger->debug("Could not read radio playlist from $url: $status_code $message");
			} elseif (\strlen($content) >= $maxLength) {
				$this->logger->debug("The URL $url seems to be the stream although the extension suggests it's a playlist");
			} else if ($isPls) {
				$entries = PlaylistFileService::parsePlsContent($content);
			} else {
				$isHls = (\strpos($content, '#EXT-X-MEDIA-SEQUENCE') !== false);
				if ($isHls) {
					$token = $this->tokenService->tokenForUrl($url);
					$resolvedUrl = $this->urlGenerator->linkToRoute('music.radioApi.hlsManifest',
							['url' => \rawurlencode($url), 'token' => \rawurlencode($token)]);
				} else {
					$entries = PlaylistFileService::parseM3uContent($content);
				}
			}

			if (!empty($entries)) {
				$resolvedUrl = $entries[0]['path'];
				// the path in the playlist may be relative => convert to absolute
				$resolvedUrl = self::convertUrlOnPlaylistToAbsolute($resolvedUrl, $urlParts);
			}
		}

		// make a recursive call if the URL got changed
		if (!$isHls && $url != $resolvedUrl) {
			return $this->resolveStreamUrl($resolvedUrl);
		} else {
			return [
				'url' => $resolvedUrl,
				'hls' => $isHls
			];
		}
	}

	public function getHlsManifest(string $url) : array {
		$maxLength = 8 * 1024;
		$result = HttpUtil::loadFromUrl($url, $maxLength);

		if ($result['status_code'] == 200) {
			$manifestUrlParts = \parse_url($url);

			// read the manifest line-by-line, and create a modified copy where each fragment URL is relayed through this server
			$fp = \fopen("php://temp", 'r+');
			\assert($fp !== false, 'Unexpected error: opening temporary stream failed');

			\fputs($fp, /** @scrutinizer ignore-type */ $result['content']);
			\rewind($fp);

			$content = '';
			while ($line = \fgets($fp)) {
				$line = \trim($line);
				if (!empty($line) && !StringUtil::startsWith($line, '#')) {
					$segUrl = self::convertUrlOnPlaylistToAbsolute($line, $manifestUrlParts);
					$segToken = $this->tokenService->tokenForUrl($segUrl);
					$line = $this->urlGenerator->linkToRoute('music.radioApi.hlsSegment',
							['url' => \rawurlencode($segUrl), 'token' => \rawurlencode($segToken)]);
				}
				$content .= $line . "\n";
			}
			$result['content'] = $content;

			\fclose($fp);
		} else {
			$this->logger->warning("Failed to read manifest from $url: {$result['status_code']} {$result['message']}");
		}

		return $result;
	}

}


1			<?php declare(strict_types=1);
2
3			/**
4			* ownCloud - Music app
5			*
6			* This file is licensed under the Affero General Public License version 3 or
7			* later. See the COPYING file.
8			*
9			* @author Moahmed-Ismail MEJRI <[email protected]>
10			* @author Pauli Järvinen <[email protected]>
11			* @copyright Moahmed-Ismail MEJRI 2022
12			* @copyright Pauli Järvinen 2022 - 2025
13			*/
14
15			namespace OCA\Music\Service;
16
17			use OCA\Music\AppFramework\Core\Logger;
18			use OCA\Music\Utility\HttpUtil;
19			use OCA\Music\Utility\StringUtil;
20			use OCA\Music\Utility\Util;
21			use OCP\IURLGenerator;
22
23			/**
24			* MetaData radio utility functions
25			*/
26			class RadioService {
27
28			private IURLGenerator $urlGenerator;
29			private StreamTokenService $tokenService;
30			private Logger $logger;
31
32			public function __construct(IURLGenerator $urlGenerator, StreamTokenService $tokenService, Logger $logger) {
33			$this->urlGenerator = $urlGenerator;
34			$this->tokenService = $tokenService;
35			$this->logger = $logger;
36			}
37
38			/**
39			* Loop through the array and try to find the given key. On match, return the
40			* text in the array cell following the key. Whitespace is trimmed from the result.
41			*/
42			private static function findStrFollowing(array $data, string $key) : ?string {
43			foreach ($data as $value) {
44			$find = \strstr($value, $key);
45			if ($find !== false) {
46			return \trim(\substr($find, \strlen($key)));
47			}
48			}
49			return null;
50			}
51
52			private static function parseStreamUrl(string $url) : array {
53			$ret = [];
54			$parse_url = \parse_url($url);
55
56			$ret['port'] = 80;
57			if (isset($parse_url['port'])) {
58			$ret['port'] = $parse_url['port'];
59			} else if ($parse_url['scheme'] == "https") {
60			$ret['port'] = 443;
61			}
62
63			$ret['scheme'] = $parse_url['scheme'];
64			$ret['hostname'] = $parse_url['host'];
65			$ret['pathname'] = $parse_url['path'] ?? '/';
66
67			if (isset($parse_url['query'])) {
68			$ret['pathname'] .= "?" . $parse_url['query'];
69			}
70
71			if ($parse_url['scheme'] == "https") {
72			$ret['sockAddress'] = "ssl://" . $ret['hostname'];
73			} else {
74			$ret['sockAddress'] = $ret['hostname'];
75			}
76
77			return $ret;
78			}
79
80			/**
81			* @param resource $fp File handle
82			*/
83			private static function parseTitleFromStreamMetadata($fp) : ?string {
84			$meta_length = \ord(\fread($fp, 1)) * 16;
85			if ($meta_length) {
86			$metadatas = \explode(';', \fread($fp, $meta_length));
87			$title = self::findStrFollowing($metadatas, "StreamTitle=");
88			if ($title) {
89			return StringUtil::truncate(\trim($title, "'"), 256);
90			}
91			}
92			return null;
93			}
94
95			private function readMetadata(string $metaUrl, callable $parseResult) : ?array {
96			$maxLength = 32 * 1024;
97			$timeout_s = 8;
98			list('content' => $content, 'status_code' => $status_code, 'message' => $message)
99			= HttpUtil::loadFromUrl($metaUrl, $maxLength, $timeout_s);
100
101			if ($status_code == 200) {
102			return $parseResult($content);
103			} else {
104			$this->logger->debug("Failed to read $metaUrl: $status_code $message");
105			return null;
106			}
107			}
108
109			public function readShoutcastV1Metadata(string $streamUrl) : ?array {
110			// cut the URL from the last '/' and append 7.html
111			$lastSlash = \strrpos($streamUrl, '/');
112			$metaUrl = \substr($streamUrl, 0, $lastSlash) . '/7.html';
113
114			return $this->readMetadata($metaUrl, function ($content) {
115			// parsing logic borrowed from https://github.com/IntellexApps/shoutcast/blob/master/src/Info.php
116
117			// get rid of the <html><body>...</html></body> decorations and extra spacing:
118			$content = \preg_replace("[\n\t]", '', \trim(\strip_tags($content)));
119
120			// parse fields, allowing only the expected format
121			$match = [];
122			if (!\preg_match('~^(\d+)\s,\s(\d+)\s,\s(\d+)\s,\s(\d+)\s,\s(\d+)\s,\s(\d+)\s,(.?)$~', $content, $match)) {
123			return null;
124			} else {
125			return [
126			'type' => 'shoutcast-v1',
127			'title' => $match[7],
128			'bitrate' => $match[6]
129			];
130			}
131			});
132			}
133
134			public function readShoutcastV2Metadata(string $streamUrl) : ?array {
135			// cut the URL from the last '/' and append 'stats'
136			$lastSlash = \strrpos($streamUrl, '/');
137			$metaUrl = \substr($streamUrl, 0, $lastSlash) . '/stats';
138
139			return $this->readMetadata($metaUrl, function ($content) {
140			$rootNode = \simplexml_load_string($content, \SimpleXMLElement::class, LIBXML_NOCDATA);
141			if ($rootNode === false \|\| $rootNode->getName() != 'SHOUTCASTSERVER') {
142			return null;
143			} else {
144			return [
145			'type' => 'shoutcast-v2',
146			'title' => (string)$rootNode->SONGTITLE,
147			'station' => (string)$rootNode->SERVERTITLE,
148			'homepage' => (string)$rootNode->SERVERURL,
149			'genre' => (string)$rootNode->SERVERGENRE,
150			'bitrate' => (string)$rootNode->BITRATE
151			];
152			}
153			});
154			}
155
156			public function readIcecastMetadata(string $streamUrl) : ?array {
157			// cut the URL from the last '/' and append 'status-json.xsl'
158			$lastSlash = \strrpos($streamUrl, '/');
159			$metaUrl = \substr($streamUrl, 0, $lastSlash) . '/status-json.xsl';
160
161			return $this->readMetadata($metaUrl, function ($content) use ($streamUrl) {
162			\mb_substitute_character(0xFFFD); // Use the Unicode REPLACEMENT CHARACTER (U+FFFD)
163			$content = \mb_convert_encoding($content, 'UTF-8', 'UTF-8');
164			$parsed = \json_decode(/** @scrutinizer ignore-type */ $content, true);
165			$source = $parsed['icestats']['source'] ?? null;
166
167			if (!\is_array($source)) {
168			return null;
169			} else {
170			// There may be one or multiple sources and the structure is slightly different in these two cases.
171			// In case there are multiple, try to found the source with a matching stream URL.
172			if (\is_int(\key($source))) {
173			// multiple sources
174			foreach ($source as $sourceItem) {
175			if ($sourceItem['listenurl'] == $streamUrl) {
176			$source = $sourceItem;
177			break;
178			}
179			}
180			}
181
182			return [
183			'type' => 'icecast',
184			'title' => $source['title'] ?? $source['yp_currently_playing'] ?? null,
185			'station' => $source['server_name'] ?? null,
186			'description' => $source['server_description'] ?? null,
187			'homepage' => $source['server_url'] ?? null,
188			'genre' => $source['genre'] ?? null,
189			'bitrate' => $source['bitrate'] ?? null
190			];
191			}
192			});
193			}
194
195			public function readIcyMetadata(string $streamUrl, int $maxattempts, int $maxredirect) : ?array {
196			$timeout = 10;
197			$result = null;
198			$pUrl = self::parseStreamUrl($streamUrl);
199			if ($pUrl['sockAddress'] && $pUrl['port']) {
200			$fp = \fsockopen($pUrl['sockAddress'], $pUrl['port'], $errno, $errstr, $timeout);
201			if ($fp !== false) {
202			$out = "GET " . $pUrl['pathname'] . " HTTP/1.1\r\n";
203			$out .= "Host: ". $pUrl['hostname'] . "\r\n";
204			$out .= "Accept: /\r\n";
205			$out .= HttpUtil::userAgentHeader() . "\r\n";
206			$out .= "Icy-MetaData: 1\r\n";
207			$out .= "Connection: Close\r\n\r\n";
208			\fwrite($fp, $out);
209			\stream_set_timeout($fp, $timeout);
210
211			$header = \fread($fp, 1024);
212			$headers = \explode("\n", $header);
213
214			if (\strpos($headers[0], "200 OK") !== false) {
215			$interval = self::findStrFollowing($headers, "icy-metaint:") ?? '0';
216			$interval = (int)$interval;
217
218			if ($interval > 0 && $interval <= 64*1024) {
219			$result = [
220			'type' => 'icy',
221			'title' => null, // fetched below
222			'station' => self::findStrFollowing($headers, 'icy-name:'),
223			'description' => self::findStrFollowing($headers, 'icy-description:'),
224			'homepage' => self::findStrFollowing($headers, 'icy-url:'),
225			'genre' => self::findStrFollowing($headers, 'icy-genre:'),
226			'bitrate' => self::findStrFollowing($headers, 'icy-br:')
227			];
228
229			$attempts = 0;
230			while ($attempts < $maxattempts && empty($result['title'])) {
231			$bytesToSkip = $interval;
232			if ($attempts === 0) {
233			// The first chunk containing the header may also already contain the beginning of the body,
234			// but this depends on the case. Subtract the body bytes which we already got.
235			$headerEndPos = \strpos($header, "\r\n\r\n") + 4;
236			$bytesToSkip -= \strlen($header) - $headerEndPos;
237			}
238
239			\fseek($fp, $bytesToSkip, SEEK_CUR);
240
241			$result['title'] = self::parseTitleFromStreamMetadata($fp);
242
243			$attempts++;
244			}
245			}
246			\fclose($fp);
247			} else {
248			\fclose($fp);
249			if ($maxredirect > 0 && \strpos($headers[0], "302 Found") !== false) {
250			$location = self::findStrFollowing($headers, "Location:");
251			if ($location) {
252			$result = $this->readIcyMetadata($location, $maxattempts, $maxredirect-1);
253			}
254			}
255			}
256			}
257			}
258
259			return $result;
260			}
261
262			private static function convertUrlOnPlaylistToAbsolute(string $containedUrl, array $playlistUrlParts) : string {
263			if (!StringUtil::startsWith($containedUrl, 'http://', true) && !StringUtil::startsWith($containedUrl, 'https://', true)) {
264			$urlParts = $playlistUrlParts;
265			$path = $urlParts['path'];
266			$lastSlash = \strrpos($path, '/');
267			$urlParts['path'] = \substr($path, 0, $lastSlash + 1) . $containedUrl;
268			unset($urlParts['query']);
269			unset($urlParts['fragment']);
270			$containedUrl = Util::buildUrl($urlParts);
271			}
272			return $containedUrl;
273			}
274
275			/**
276			* Sometimes the URL given as stream URL points to a playlist which in turn contains the actual
277			* URL to be streamed. This function resolves such indirections.
278			*/
279			public function resolveStreamUrl(string $url) : array {
280			// the default output for non-playlist URLs:
281			$resolvedUrl = $url;
282			$isHls = false;
283
284			$urlParts = \parse_url($url);
285			$lcPath = \mb_strtolower($urlParts['path'] ?? '/');
286
287			$isPls = StringUtil::endsWith($lcPath, '.pls');
288			$isM3u = !$isPls && (StringUtil::endsWith($lcPath, '.m3u') \|\| StringUtil::endsWith($lcPath, '.m3u8'));
289
290			if ($isPls \|\| $isM3u) {
291			$maxLength = 8 * 1024;
292			list('content' => $content, 'status_code' => $status_code, 'message' => $message) = HttpUtil::loadFromUrl($url, $maxLength);
293
294			if ($status_code != 200) {
295			$this->logger->debug("Could not read radio playlist from $url: $status_code $message");
296			} elseif (\strlen($content) >= $maxLength) {
297			$this->logger->debug("The URL $url seems to be the stream although the extension suggests it's a playlist");
298			} else if ($isPls) {
299			$entries = PlaylistFileService::parsePlsContent($content);
300			} else {
301			$isHls = (\strpos($content, '#EXT-X-MEDIA-SEQUENCE') !== false);
302			if ($isHls) {
303			$token = $this->tokenService->tokenForUrl($url);
304			$resolvedUrl = $this->urlGenerator->linkToRoute('music.radioApi.hlsManifest',
305			['url' => \rawurlencode($url), 'token' => \rawurlencode($token)]);
306			} else {
307			$entries = PlaylistFileService::parseM3uContent($content);
308			}
309			}
310
311			if (!empty($entries)) {
312			$resolvedUrl = $entries[0]['path'];
313			// the path in the playlist may be relative => convert to absolute
314			$resolvedUrl = self::convertUrlOnPlaylistToAbsolute($resolvedUrl, $urlParts);
315			}
316			}
317
318			// make a recursive call if the URL got changed
319			if (!$isHls && $url != $resolvedUrl) {
320			return $this->resolveStreamUrl($resolvedUrl);
321			} else {
322			return [
323			'url' => $resolvedUrl,
324			'hls' => $isHls
325			];
326			}
327			}
328
329			public function getHlsManifest(string $url) : array {
330			$maxLength = 8 * 1024;
331			$result = HttpUtil::loadFromUrl($url, $maxLength);
332
333			if ($result['status_code'] == 200) {
334			$manifestUrlParts = \parse_url($url);
335
336			// read the manifest line-by-line, and create a modified copy where each fragment URL is relayed through this server
337			$fp = \fopen("php://temp", 'r+');
338			\assert($fp !== false, 'Unexpected error: opening temporary stream failed');
339
340			\fputs($fp, /** @scrutinizer ignore-type */ $result['content']);
341			\rewind($fp);
342
343			$content = '';
344			while ($line = \fgets($fp)) {
345			$line = \trim($line);
346			if (!empty($line) && !StringUtil::startsWith($line, '#')) {
347			$segUrl = self::convertUrlOnPlaylistToAbsolute($line, $manifestUrlParts);
348			$segToken = $this->tokenService->tokenForUrl($segUrl);
349			$line = $this->urlGenerator->linkToRoute('music.radioApi.hlsSegment',
350			['url' => \rawurlencode($segUrl), 'token' => \rawurlencode($segToken)]);
351			}
352			$content .= $line . "\n";
353			}
354			$result['content'] = $content;
355
356			\fclose($fp);
357			} else {
358			$this->logger->warning("Failed to read manifest from $url: {$result['status_code']} {$result['message']}");
359			}
360
361			return $result;
362			}
363
364			}
365

owncloud / music

RadioService::readIcyMetadata() C last analyzed 2025-11-02 20:35 UTC

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RadioService::readIcyMetadata() C
last analyzed 2025-11-02 20:35 UTC