RadioApiController::__construct() - Code Metrics - Inspection of "Merge branch 'feature/refactor_and_cleanup'" - owncloud/music - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Push — master ( 7b42d0...d80bc5 )

by Pauli

created 2025-06-24 13:56 UTC

RadioApiController::__construct() A

↳ Parent: RadioApiController

Complexity

Conditions	1
Paths	1

Size

Total Lines	21
Code Lines	10

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
cc	1
eloc	10
c	1
b	0
f	0
nc	1
nop	11
dl	0
loc	21
rs	9.9332

How to fix Many Parameters

<?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 Pauli Järvinen <[email protected]>
 * @copyright Pauli Järvinen 2020 - 2025
 */

namespace OCA\Music\Controller;

use OCP\AppFramework\Controller;
use OCP\AppFramework\Http;
use OCP\AppFramework\Http\JSONResponse;
use OCP\AppFramework\Http\RedirectResponse;
use OCP\AppFramework\Http\Response;

use OCP\Files\Folder;
use OCP\IConfig;
use OCP\IRequest;
use OCP\IURLGenerator;

use OCA\Music\AppFramework\BusinessLayer\BusinessLayerException;
use OCA\Music\AppFramework\Core\Logger;
use OCA\Music\AppFramework\Utility\FileExistsException;
use OCA\Music\BusinessLayer\RadioStationBusinessLayer;
use OCA\Music\Http\ErrorResponse;
use OCA\Music\Http\FileResponse;
use OCA\Music\Http\RelayStreamResponse;
use OCA\Music\Service\PlaylistFileService;
use OCA\Music\Service\RadioService;
use OCA\Music\Service\StreamTokenService;
use OCA\Music\Utility\HttpUtil;

class RadioApiController extends Controller {
	private IConfig $config;
	private IURLGenerator $urlGenerator;
	private RadioStationBusinessLayer $businessLayer;
	private RadioService $service;
	private StreamTokenService $tokenService;
	private PlaylistFileService $playlistFileService;
	private string $userId;
	private ?Folder $userFolder;
	private Logger $logger;

	public function __construct(string $appname,
								IRequest $request,
								IConfig $config,
								IURLGenerator $urlGenerator,
								RadioStationBusinessLayer $businessLayer,
								RadioService $service,
								StreamTokenService $tokenService,
								PlaylistFileService $playlistFileService,
								?string $userId,
								?Folder $userFolder,
								Logger $logger) {
		parent::__construct($appname, $request);
		$this->config = $config;
		$this->urlGenerator = $urlGenerator;
		$this->businessLayer = $businessLayer;
		$this->service = $service;
		$this->tokenService = $tokenService;
		$this->playlistFileService = $playlistFileService;
		$this->userId = $userId ?? ''; // ensure non-null to satisfy Scrutinizer; may be null when resolveStreamUrl used on public share
		$this->userFolder = $userFolder;
		$this->logger = $logger;
	}

	/**
	 * lists all radio stations
	 *
	 * @NoAdminRequired
	 * @NoCSRFRequired
	 */
	public function getAll() : JSONResponse {
		$stations = $this->businessLayer->findAll($this->userId);
		return new JSONResponse(
			\array_map(fn($s) => $s->toApi(), $stations)
		);
	}

	/**
	 * creates a station
	 *
	 * @NoAdminRequired
	 * @NoCSRFRequired
	 */
	public function create(?string $name, ?string $streamUrl, ?string $homeUrl) : JSONResponse {
		if ($streamUrl === null) {
			return new ErrorResponse(Http::STATUS_BAD_REQUEST, "Mandatory argument 'streamUrl' not given");
		}
		
		try {
			$station = $this->businessLayer->create($this->userId, $name, $streamUrl, $homeUrl);
			return new JSONResponse($station->toApi());
		} catch (\DomainException $ex) {
			return new ErrorResponse(Http::STATUS_BAD_REQUEST, $ex->getMessage());
		}
	}

	/**
	 * deletes a station
	 *
	 * @NoAdminRequired
	 * @NoCSRFRequired
	 */
	public function delete(int $id) : JSONResponse {
		try {
			$this->businessLayer->delete($id, $this->userId);
			return new JSONResponse([]);
		} catch (BusinessLayerException $ex) {
			return new ErrorResponse(Http::STATUS_NOT_FOUND, $ex->getMessage());
		}
	}

	/**
	 * get a single radio station
	 *
	 * @NoAdminRequired
	 * @NoCSRFRequired
	 */
	public function get(int $id) : JSONResponse {
		try {
			$station = $this->businessLayer->find($id, $this->userId);
			return new JSONResponse($station->toApi());
		} catch (BusinessLayerException $ex) {
			return new ErrorResponse(Http::STATUS_NOT_FOUND, $ex->getMessage());
		}
	}

	/**
	 * update a station
	 *
	 * @NoAdminRequired
	 * @NoCSRFRequired
	 */
	public function update(int $id, ?string $name = null, ?string $streamUrl = null, ?string $homeUrl = null) : JSONResponse {
		if ($name === null && $streamUrl === null && $homeUrl === null) {
			return new ErrorResponse(Http::STATUS_BAD_REQUEST, "at least one of the args ['name', 'streamUrl', 'homeUrl'] must be given");
		}

		try {
			$station = $this->businessLayer->updateStation($id, $this->userId, $name, $streamUrl, $homeUrl);
			return new JSONResponse($station->toApi());
		} catch (BusinessLayerException $ex) {
			return new ErrorResponse(Http::STATUS_NOT_FOUND, $ex->getMessage());
		} catch (\DomainException $ex) {
			return new ErrorResponse(Http::STATUS_BAD_REQUEST, $ex->getMessage());
		}
	}

	/**
	 * export all radio stations to a file
	 *
	 * @param string $name target file name
	 * @param string $path parent folder path
	 * @param string $oncollision action to take on file name collision,
	 *								supported values:
	 *								- 'overwrite' The existing file will be overwritten
	 *								- 'keepboth' The new file is named with a suffix to make it unique
	 *								- 'abort' (default) The operation will fail
	 *
	 * @NoAdminRequired
	 * @NoCSRFRequired
	 */
	public function exportAllToFile(string $name, string $path, string $oncollision='abort') : JSONResponse {
		if ($this->userFolder === null) {
			// This shouldn't get actually run. The folder may be null in case the user has already logged out.
			// But in that case, the framework should block the execution before it reaches here.
			return new ErrorResponse(Http::STATUS_UNAUTHORIZED, 'no valid user folder got');
		}
		try {
			$exportedFilePath = $this->playlistFileService->exportRadioStationsToFile(
					$this->userId, $this->userFolder, $path, $name, $oncollision);
			return new JSONResponse(['wrote_to_file' => $exportedFilePath]);
		} catch (\OCP\Files\NotFoundException $ex) {
			return new ErrorResponse(Http::STATUS_NOT_FOUND, 'folder not found');
		} catch (FileExistsException $ex) {
			return new ErrorResponse(Http::STATUS_CONFLICT, 'file already exists', ['path' => $ex->getPath(), 'suggested_name' => $ex->getAltName()]);
		} catch (\OCP\Files\NotPermittedException $ex) {
			return new ErrorResponse(Http::STATUS_FORBIDDEN, 'user is not allowed to write to the target file');
		}
	}

	/**
	 * import radio stations from a file
	 * @param string $filePath path of the file to import
	 *
	 * @NoAdminRequired
	 * @NoCSRFRequired
	 */
	public function importFromFile(string $filePath) : JSONResponse {
		if ($this->userFolder === null) {
			// This shouldn't get actually run. The folder may be null in case the user has already logged out.
			// But in that case, the framework should block the execution before it reaches here.
			return new ErrorResponse(Http::STATUS_UNAUTHORIZED, 'no valid user folder got');
		}
		try {
			$result = $this->playlistFileService->importRadioStationsFromFile($this->userId, $this->userFolder, $filePath);
			$result['stations'] = \array_map(fn($s) => $s->toApi(), $result['stations']);
			return new JSONResponse($result);
		} catch (\OCP\Files\NotFoundException $ex) {
			return new ErrorResponse(Http::STATUS_NOT_FOUND, 'playlist file not found');
		} catch (\UnexpectedValueException $ex) {
			return new ErrorResponse(Http::STATUS_UNSUPPORTED_MEDIA_TYPE, $ex->getMessage());
		}
	}

	/**
	 * reset all the radio stations of the user
	 *
	 * @NoAdminRequired
	 * @NoCSRFRequired
	 */
	public function resetAll() : JSONResponse {
		$this->businessLayer->deleteAll($this->userId);
		return new JSONResponse(['success' => true]);
	}

	/**
	* get metadata for a channel
	*
	* @NoAdminRequired
	* @NoCSRFRequired
	*/
	public function getChannelInfo(int $id, ?string $type=null) : JSONResponse {
		try {
			$station = $this->businessLayer->find($id, $this->userId);
			$streamUrl = $station->getStreamUrl();

			switch ($type) {
				case 'icy':
					$metadata = $this->service->readIcyMetadata($streamUrl, 3, 5);
					break;
				case 'shoutcast-v1':
					$metadata = $this->service->readShoutcastV1Metadata($streamUrl);
					break;
				case 'shoutcast-v2':
					$metadata = $this->service->readShoutcastV2Metadata($streamUrl);
					break;
				case 'icecast':
					$metadata = $this->service->readIcecastMetadata($streamUrl);
					break;
				default:
					$metadata = $this->service->readIcyMetadata($streamUrl, 3, 5)
							?? $this->service->readShoutcastV2Metadata($streamUrl)
							?? $this->service->readIcecastMetadata($streamUrl)
							?? $this->service->readShoutcastV1Metadata($streamUrl);
					break;
			}

			return new JSONResponse($metadata);
		} catch (BusinessLayerException $ex) {
			return new ErrorResponse(Http::STATUS_NOT_FOUND, $ex->getMessage());
		}
	}

	/**
	 * get stream URL for a radio station
	 *
	 * @NoAdminRequired
	 * @NoCSRFRequired
	 */
	public function stationStreamUrl(int $id) : JSONResponse {
		try {
			$station = $this->businessLayer->find($id, $this->userId);
			$streamUrl = $station->getStreamUrl();
			$resolved = $this->service->resolveStreamUrl($streamUrl);
			$relayEnabled = $this->streamRelayEnabled();
			if ($relayEnabled && !$resolved['hls']) {
				$resolved['url'] = $this->urlGenerator->linkToRoute('music.radioApi.stationStream', ['id' => $id]);
			}
			return new JSONResponse($resolved);
		} catch (BusinessLayerException $ex) {
			return new ErrorResponse(Http::STATUS_NOT_FOUND, $ex->getMessage());
		}
	}

	/**
	 * get audio stream for a radio station
	 *
	 * @NoAdminRequired
	 * @NoCSRFRequired
	 */
	public function stationStream(int $id) : Response {
		try {
			$station = $this->businessLayer->find($id, $this->userId);
			$streamUrl = $station->getStreamUrl();
			$resolved = $this->service->resolveStreamUrl($streamUrl);
			if ($this->streamRelayEnabled()) {
				return new RelayStreamResponse($resolved['url']);
			} else {
				return new RedirectResponse($resolved['url']);
			}
		} catch (BusinessLayerException $ex) {
			return new ErrorResponse(Http::STATUS_NOT_FOUND, $ex->getMessage());
		}
	}

	/**
	 * get the actual stream URL from the given public URL
	 *
	 * Available without login since no user data is handled and this may be used on link-shared folder.
	 *
	 * @PublicPage
	 * @NoCSRFRequired
	 */
	public function resolveStreamUrl(string $url, ?string $token) : JSONResponse {
		$url = \rawurldecode($url);

		if ($token === null) {
			return new ErrorResponse(Http::STATUS_UNAUTHORIZED, 'a security token must be passed');
		} elseif (!$this->tokenService->urlTokenIsValid($url, \rawurldecode($token))) {
			return new ErrorResponse(Http::STATUS_UNAUTHORIZED, 'the security token is invalid');
		} else {
			$resolved = $this->service->resolveStreamUrl($url);
			$relayEnabled = $this->streamRelayEnabled();
			if ($relayEnabled && !$resolved['hls']) {
				$token = $this->tokenService->tokenForUrl($resolved['url']);
				$resolved['url'] = $this->urlGenerator->linkToRoute('music.radioApi.streamFromUrl',
					['url' => \rawurlencode($resolved['url']), 'token' => \rawurlencode($token)]);
			}
			return new JSONResponse($resolved);
		}
	}

	/**
	 * create a relayed stream for the given URL if relaying enabled; otherwise just redirect to the URL
	 * 
	 * @PublicPage
	 * @NoCSRFRequired
	 */
	public function streamFromUrl(string $url, ?string $token) : Response {
		$url = \rawurldecode($url);

		if ($token === null) {
			return new ErrorResponse(Http::STATUS_UNAUTHORIZED, 'a security token must be passed');
		} elseif (!$this->tokenService->urlTokenIsValid($url, \rawurldecode($token))) {
			return new ErrorResponse(Http::STATUS_UNAUTHORIZED, 'the security token is invalid');
		} elseif ($this->streamRelayEnabled()) {
			return new RelayStreamResponse($url);
		} else {
			return new RedirectResponse($url);
		}
	}

	/**
	 * get manifest of a HLS stream
	 *
	 * This fetches the manifest file from the given URL and returns a modified version of it.
	 * The front-end can't easily stream directly from the original source because of the Content-Security-Policy.
	 *
	 * @PublicPage
	 * @NoCSRFRequired
	 */
	public function hlsManifest(string $url, ?string $token) : Response {
		$url = \rawurldecode($url);

		if (!$this->hlsEnabled()) {
			return new ErrorResponse(Http::STATUS_FORBIDDEN, 'the cloud admin has disabled HLS streaming');
		} elseif ($token === null) {
			return new ErrorResponse(Http::STATUS_UNAUTHORIZED, 'a security token must be passed');
		} elseif (!$this->tokenService->urlTokenIsValid($url, \rawurldecode($token))) {
			return new ErrorResponse(Http::STATUS_UNAUTHORIZED, 'the security token is invalid');
		} else {
			list('content' => $content, 'status_code' => $status, 'content_type' => $contentType)
				= $this->service->getHlsManifest($url);

			return new FileResponse([
				'content' => $content,
				'mimetype' => $contentType
			], $status);
		}
	}

	/**
	 * get one segment of a HLS stream
	 *
	 * The segment is fetched from the given URL and relayed as such to the client.
	 *
	 * @PublicPage
	 * @NoCSRFRequired
	 */
	public function hlsSegment(string $url, ?string $token) : Response {
		$url = \rawurldecode($url);

		if (!$this->hlsEnabled()) {
			return new ErrorResponse(Http::STATUS_FORBIDDEN, 'the cloud admin has disabled HLS streaming');
		} elseif ($token === null) {
			return new ErrorResponse(Http::STATUS_UNAUTHORIZED, 'a security token must be passed');
		} elseif (!$this->tokenService->urlTokenIsValid($url, \rawurldecode($token))) {
			return new ErrorResponse(Http::STATUS_UNAUTHORIZED, 'the security token is invalid');
		} else {
			list('content' => $content, 'status_code' => $status, 'content_type' => $contentType)
				= HttpUtil::loadFromUrl($url);

			return new FileResponse([
				'content' => $content,
				'mimetype' => $contentType ?? 'application/octet-stream'
			], $status);
		}
	}

	private function hlsEnabled() : bool {
		$enabled = (bool)$this->config->getSystemValue('music.enable_radio_hls', true);
		if ($this->userId === '') {
			$enabled = (bool)$this->config->getSystemValue('music.enable_radio_hls_on_share', $enabled);
		}
		return $enabled;
	}

	private function streamRelayEnabled() : bool {
		$enabled = (bool)$this->config->getSystemValue('music.relay_radio_stream', true);
		if ($this->userId === '') {
			$enabled = (bool)$this->config->getSystemValue('music.relay_radio_stream_on_share', $enabled);
		}
		return $enabled;
	}
}


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 Pauli Järvinen <[email protected]>
10			* @copyright Pauli Järvinen 2020 - 2025
11			*/
12
13			namespace OCA\Music\Controller;
14
15			use OCP\AppFramework\Controller;
16			use OCP\AppFramework\Http;
17			use OCP\AppFramework\Http\JSONResponse;
18			use OCP\AppFramework\Http\RedirectResponse;
19			use OCP\AppFramework\Http\Response;
20
21			use OCP\Files\Folder;
22			use OCP\IConfig;
23			use OCP\IRequest;
24			use OCP\IURLGenerator;
25
26			use OCA\Music\AppFramework\BusinessLayer\BusinessLayerException;
27			use OCA\Music\AppFramework\Core\Logger;
28			use OCA\Music\AppFramework\Utility\FileExistsException;
29			use OCA\Music\BusinessLayer\RadioStationBusinessLayer;
30			use OCA\Music\Http\ErrorResponse;
31			use OCA\Music\Http\FileResponse;
32			use OCA\Music\Http\RelayStreamResponse;
33			use OCA\Music\Service\PlaylistFileService;
34			use OCA\Music\Service\RadioService;
35			use OCA\Music\Service\StreamTokenService;
36			use OCA\Music\Utility\HttpUtil;
37
38			class RadioApiController extends Controller {
39			private IConfig $config;
40			private IURLGenerator $urlGenerator;
41			private RadioStationBusinessLayer $businessLayer;
42			private RadioService $service;
43			private StreamTokenService $tokenService;
44			private PlaylistFileService $playlistFileService;
45			private string $userId;
46			private ?Folder $userFolder;
47			private Logger $logger;
48
49			public function __construct(string $appname,
50			IRequest $request,
51			IConfig $config,
52			IURLGenerator $urlGenerator,
53			RadioStationBusinessLayer $businessLayer,
54			RadioService $service,
55			StreamTokenService $tokenService,
56			PlaylistFileService $playlistFileService,
57			?string $userId,
58			?Folder $userFolder,
59			Logger $logger) {
60			parent::__construct($appname, $request);
61			$this->config = $config;
62			$this->urlGenerator = $urlGenerator;
63			$this->businessLayer = $businessLayer;
64			$this->service = $service;
65			$this->tokenService = $tokenService;
66			$this->playlistFileService = $playlistFileService;
67			$this->userId = $userId ?? ''; // ensure non-null to satisfy Scrutinizer; may be null when resolveStreamUrl used on public share
68			$this->userFolder = $userFolder;
69			$this->logger = $logger;
70			}
71
72			/**
73			* lists all radio stations
74			*
75			* @NoAdminRequired
76			* @NoCSRFRequired
77			*/
78			public function getAll() : JSONResponse {
79			$stations = $this->businessLayer->findAll($this->userId);
80			return new JSONResponse(
81			\array_map(fn($s) => $s->toApi(), $stations)
82			);
83			}
84
85			/**
86			* creates a station
87			*
88			* @NoAdminRequired
89			* @NoCSRFRequired
90			*/
91			public function create(?string $name, ?string $streamUrl, ?string $homeUrl) : JSONResponse {
92			if ($streamUrl === null) {
93			return new ErrorResponse(Http::STATUS_BAD_REQUEST, "Mandatory argument 'streamUrl' not given");
94			}
95
96			try {
97			$station = $this->businessLayer->create($this->userId, $name, $streamUrl, $homeUrl);
98			return new JSONResponse($station->toApi());
99			} catch (\DomainException $ex) {
100			return new ErrorResponse(Http::STATUS_BAD_REQUEST, $ex->getMessage());
101			}
102			}
103
104			/**
105			* deletes a station
106			*
107			* @NoAdminRequired
108			* @NoCSRFRequired
109			*/
110			public function delete(int $id) : JSONResponse {
111			try {
112			$this->businessLayer->delete($id, $this->userId);
113			return new JSONResponse([]);
114			} catch (BusinessLayerException $ex) {
115			return new ErrorResponse(Http::STATUS_NOT_FOUND, $ex->getMessage());
116			}
117			}
118
119			/**
120			* get a single radio station
121			*
122			* @NoAdminRequired
123			* @NoCSRFRequired
124			*/
125			public function get(int $id) : JSONResponse {
126			try {
127			$station = $this->businessLayer->find($id, $this->userId);
128			return new JSONResponse($station->toApi());
129			} catch (BusinessLayerException $ex) {
130			return new ErrorResponse(Http::STATUS_NOT_FOUND, $ex->getMessage());
131			}
132			}
133
134			/**
135			* update a station
136			*
137			* @NoAdminRequired
138			* @NoCSRFRequired
139			*/
140			public function update(int $id, ?string $name = null, ?string $streamUrl = null, ?string $homeUrl = null) : JSONResponse {
141			if ($name === null && $streamUrl === null && $homeUrl === null) {
142			return new ErrorResponse(Http::STATUS_BAD_REQUEST, "at least one of the args ['name', 'streamUrl', 'homeUrl'] must be given");
143			}
144
145			try {
146			$station = $this->businessLayer->updateStation($id, $this->userId, $name, $streamUrl, $homeUrl);
147			return new JSONResponse($station->toApi());
148			} catch (BusinessLayerException $ex) {
149			return new ErrorResponse(Http::STATUS_NOT_FOUND, $ex->getMessage());
150			} catch (\DomainException $ex) {
151			return new ErrorResponse(Http::STATUS_BAD_REQUEST, $ex->getMessage());
152			}
153			}
154
155			/**
156			* export all radio stations to a file
157			*
158			* @param string $name target file name
159			* @param string $path parent folder path
160			* @param string $oncollision action to take on file name collision,
161			* supported values:
162			* - 'overwrite' The existing file will be overwritten
163			* - 'keepboth' The new file is named with a suffix to make it unique
164			* - 'abort' (default) The operation will fail
165			*
166			* @NoAdminRequired
167			* @NoCSRFRequired
168			*/
169			public function exportAllToFile(string $name, string $path, string $oncollision='abort') : JSONResponse {
170			if ($this->userFolder === null) {
171			// This shouldn't get actually run. The folder may be null in case the user has already logged out.
172			// But in that case, the framework should block the execution before it reaches here.
173			return new ErrorResponse(Http::STATUS_UNAUTHORIZED, 'no valid user folder got');
174			}
175			try {
176			$exportedFilePath = $this->playlistFileService->exportRadioStationsToFile(
177			$this->userId, $this->userFolder, $path, $name, $oncollision);
178			return new JSONResponse(['wrote_to_file' => $exportedFilePath]);
179			} catch (\OCP\Files\NotFoundException $ex) {
180			return new ErrorResponse(Http::STATUS_NOT_FOUND, 'folder not found');
181			} catch (FileExistsException $ex) {
182			return new ErrorResponse(Http::STATUS_CONFLICT, 'file already exists', ['path' => $ex->getPath(), 'suggested_name' => $ex->getAltName()]);
183			} catch (\OCP\Files\NotPermittedException $ex) {
184			return new ErrorResponse(Http::STATUS_FORBIDDEN, 'user is not allowed to write to the target file');
185			}
186			}
187
188			/**
189			* import radio stations from a file
190			* @param string $filePath path of the file to import
191			*
192			* @NoAdminRequired
193			* @NoCSRFRequired
194			*/
195			public function importFromFile(string $filePath) : JSONResponse {
196			if ($this->userFolder === null) {
197			// This shouldn't get actually run. The folder may be null in case the user has already logged out.
198			// But in that case, the framework should block the execution before it reaches here.
199			return new ErrorResponse(Http::STATUS_UNAUTHORIZED, 'no valid user folder got');
200			}
201			try {
202			$result = $this->playlistFileService->importRadioStationsFromFile($this->userId, $this->userFolder, $filePath);
203			$result['stations'] = \array_map(fn($s) => $s->toApi(), $result['stations']);
204			return new JSONResponse($result);
205			} catch (\OCP\Files\NotFoundException $ex) {
206			return new ErrorResponse(Http::STATUS_NOT_FOUND, 'playlist file not found');
207			} catch (\UnexpectedValueException $ex) {
208			return new ErrorResponse(Http::STATUS_UNSUPPORTED_MEDIA_TYPE, $ex->getMessage());
209			}
210			}
211
212			/**
213			* reset all the radio stations of the user
214			*
215			* @NoAdminRequired
216			* @NoCSRFRequired
217			*/
218			public function resetAll() : JSONResponse {
219			$this->businessLayer->deleteAll($this->userId);
220			return new JSONResponse(['success' => true]);
221			}
222
223			/**
224			* get metadata for a channel
225			*
226			* @NoAdminRequired
227			* @NoCSRFRequired
228			*/
229			public function getChannelInfo(int $id, ?string $type=null) : JSONResponse {
230			try {
231			$station = $this->businessLayer->find($id, $this->userId);
232			$streamUrl = $station->getStreamUrl();
233
234			switch ($type) {
235			case 'icy':
236			$metadata = $this->service->readIcyMetadata($streamUrl, 3, 5);
237			break;
238			case 'shoutcast-v1':
239			$metadata = $this->service->readShoutcastV1Metadata($streamUrl);
240			break;
241			case 'shoutcast-v2':
242			$metadata = $this->service->readShoutcastV2Metadata($streamUrl);
243			break;
244			case 'icecast':
245			$metadata = $this->service->readIcecastMetadata($streamUrl);
246			break;
247			default:
248			$metadata = $this->service->readIcyMetadata($streamUrl, 3, 5)
249			?? $this->service->readShoutcastV2Metadata($streamUrl)
250			?? $this->service->readIcecastMetadata($streamUrl)
251			?? $this->service->readShoutcastV1Metadata($streamUrl);
252			break;
253			}
254
255			return new JSONResponse($metadata);
256			} catch (BusinessLayerException $ex) {
257			return new ErrorResponse(Http::STATUS_NOT_FOUND, $ex->getMessage());
258			}
259			}
260
261			/**
262			* get stream URL for a radio station
263			*
264			* @NoAdminRequired
265			* @NoCSRFRequired
266			*/
267			public function stationStreamUrl(int $id) : JSONResponse {
268			try {
269			$station = $this->businessLayer->find($id, $this->userId);
270			$streamUrl = $station->getStreamUrl();
271			$resolved = $this->service->resolveStreamUrl($streamUrl);
272			$relayEnabled = $this->streamRelayEnabled();
273			if ($relayEnabled && !$resolved['hls']) {
274			$resolved['url'] = $this->urlGenerator->linkToRoute('music.radioApi.stationStream', ['id' => $id]);
275			}
276			return new JSONResponse($resolved);
277			} catch (BusinessLayerException $ex) {
278			return new ErrorResponse(Http::STATUS_NOT_FOUND, $ex->getMessage());
279			}
280			}
281
282			/**
283			* get audio stream for a radio station
284			*
285			* @NoAdminRequired
286			* @NoCSRFRequired
287			*/
288			public function stationStream(int $id) : Response {
289			try {
290			$station = $this->businessLayer->find($id, $this->userId);
291			$streamUrl = $station->getStreamUrl();
292			$resolved = $this->service->resolveStreamUrl($streamUrl);
293			if ($this->streamRelayEnabled()) {
294			return new RelayStreamResponse($resolved['url']);
295			} else {
296			return new RedirectResponse($resolved['url']);
297			}
298			} catch (BusinessLayerException $ex) {
299			return new ErrorResponse(Http::STATUS_NOT_FOUND, $ex->getMessage());
300			}
301			}
302
303			/**
304			* get the actual stream URL from the given public URL
305			*
306			* Available without login since no user data is handled and this may be used on link-shared folder.
307			*
308			* @PublicPage
309			* @NoCSRFRequired
310			*/
311			public function resolveStreamUrl(string $url, ?string $token) : JSONResponse {
312			$url = \rawurldecode($url);
313
314			if ($token === null) {
315			return new ErrorResponse(Http::STATUS_UNAUTHORIZED, 'a security token must be passed');
316			} elseif (!$this->tokenService->urlTokenIsValid($url, \rawurldecode($token))) {
317			return new ErrorResponse(Http::STATUS_UNAUTHORIZED, 'the security token is invalid');
318			} else {
319			$resolved = $this->service->resolveStreamUrl($url);
320			$relayEnabled = $this->streamRelayEnabled();
321			if ($relayEnabled && !$resolved['hls']) {
322			$token = $this->tokenService->tokenForUrl($resolved['url']);
323			$resolved['url'] = $this->urlGenerator->linkToRoute('music.radioApi.streamFromUrl',
324			['url' => \rawurlencode($resolved['url']), 'token' => \rawurlencode($token)]);
325			}
326			return new JSONResponse($resolved);
327			}
328			}
329
330			/**
331			* create a relayed stream for the given URL if relaying enabled; otherwise just redirect to the URL
332			*
333			* @PublicPage
334			* @NoCSRFRequired
335			*/
336			public function streamFromUrl(string $url, ?string $token) : Response {
337			$url = \rawurldecode($url);
338
339			if ($token === null) {
340			return new ErrorResponse(Http::STATUS_UNAUTHORIZED, 'a security token must be passed');
341			} elseif (!$this->tokenService->urlTokenIsValid($url, \rawurldecode($token))) {
342			return new ErrorResponse(Http::STATUS_UNAUTHORIZED, 'the security token is invalid');
343			} elseif ($this->streamRelayEnabled()) {
344			return new RelayStreamResponse($url);
345			} else {
346			return new RedirectResponse($url);
347			}
348			}
349
350			/**
351			* get manifest of a HLS stream
352			*
353			* This fetches the manifest file from the given URL and returns a modified version of it.
354			* The front-end can't easily stream directly from the original source because of the Content-Security-Policy.
355			*
356			* @PublicPage
357			* @NoCSRFRequired
358			*/
359			public function hlsManifest(string $url, ?string $token) : Response {
360			$url = \rawurldecode($url);
361
362			if (!$this->hlsEnabled()) {
363			return new ErrorResponse(Http::STATUS_FORBIDDEN, 'the cloud admin has disabled HLS streaming');
364			} elseif ($token === null) {
365			return new ErrorResponse(Http::STATUS_UNAUTHORIZED, 'a security token must be passed');
366			} elseif (!$this->tokenService->urlTokenIsValid($url, \rawurldecode($token))) {
367			return new ErrorResponse(Http::STATUS_UNAUTHORIZED, 'the security token is invalid');
368			} else {
369			list('content' => $content, 'status_code' => $status, 'content_type' => $contentType)
370			= $this->service->getHlsManifest($url);
371
372			return new FileResponse([
373			'content' => $content,
374			'mimetype' => $contentType
375			], $status);
376			}
377			}
378
379			/**
380			* get one segment of a HLS stream
381			*
382			* The segment is fetched from the given URL and relayed as such to the client.
383			*
384			* @PublicPage
385			* @NoCSRFRequired
386			*/
387			public function hlsSegment(string $url, ?string $token) : Response {
388			$url = \rawurldecode($url);
389
390			if (!$this->hlsEnabled()) {
391			return new ErrorResponse(Http::STATUS_FORBIDDEN, 'the cloud admin has disabled HLS streaming');
392			} elseif ($token === null) {
393			return new ErrorResponse(Http::STATUS_UNAUTHORIZED, 'a security token must be passed');
394			} elseif (!$this->tokenService->urlTokenIsValid($url, \rawurldecode($token))) {
395			return new ErrorResponse(Http::STATUS_UNAUTHORIZED, 'the security token is invalid');
396			} else {
397			list('content' => $content, 'status_code' => $status, 'content_type' => $contentType)
398			= HttpUtil::loadFromUrl($url);
399
400			return new FileResponse([
401			'content' => $content,
402			'mimetype' => $contentType ?? 'application/octet-stream'
403			], $status);
404			}
405			}
406
407			private function hlsEnabled() : bool {
408			$enabled = (bool)$this->config->getSystemValue('music.enable_radio_hls', true);
409			if ($this->userId === '') {
410			$enabled = (bool)$this->config->getSystemValue('music.enable_radio_hls_on_share', $enabled);
411			}
412			return $enabled;
413			}
414
415			private function streamRelayEnabled() : bool {
416			$enabled = (bool)$this->config->getSystemValue('music.relay_radio_stream', true);
417			if ($this->userId === '') {
418			$enabled = (bool)$this->config->getSystemValue('music.relay_radio_stream_on_share', $enabled);
419			}
420			return $enabled;
421			}
422			}
423

owncloud / music

Push — master ( 7b42d0...d80bc5 )

RadioApiController::__construct() A

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