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<?php |
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/** |
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* @copyright Copyright (c) 2016, ownCloud, Inc. |
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* |
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* @author Bernhard Posselt <[email protected]> |
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* @author Christoph Wurst <[email protected]> |
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* @author Donquixote <[email protected]> |
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* @author Morris Jobke <[email protected]> |
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* @author Roeland Jago Douma <[email protected]> |
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* @author Thomas Müller <[email protected]> |
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* @author Thomas Tanghus <[email protected]> |
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* @author Vincent Petry <[email protected]> |
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* |
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* @license AGPL-3.0 |
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* |
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* This code is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Affero General Public License, version 3, |
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* as published by the Free Software Foundation. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU Affero General Public License for more details. |
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* |
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* You should have received a copy of the GNU Affero General Public License, version 3, |
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* along with this program. If not, see <http://www.gnu.org/licenses/> |
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* |
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*/ |
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namespace OCP\AppFramework; |
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use OCP\AppFramework\Http\DataResponse; |
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use OCP\AppFramework\Http\JSONResponse; |
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use OCP\AppFramework\Http\Response; |
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use OCP\IRequest; |
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/** |
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* Base class to inherit your controllers from |
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* @since 6.0.0 |
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*/ |
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abstract class Controller { |
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/** |
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* app name |
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* @var string |
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* @since 7.0.0 |
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*/ |
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protected $appName; |
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/** |
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* current request |
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* @var \OCP\IRequest |
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* @since 6.0.0 |
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*/ |
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protected $request; |
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/** |
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* @var array |
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* @since 7.0.0 |
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*/ |
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private $responders; |
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/** |
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* constructor of the controller |
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* @param string $appName the name of the app |
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* @param IRequest $request an instance of the request |
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* @since 6.0.0 - parameter $appName was added in 7.0.0 - parameter $app was removed in 7.0.0 |
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*/ |
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public function __construct($appName, |
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IRequest $request) { |
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$this->appName = $appName; |
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$this->request = $request; |
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// default responders |
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$this->responders = [ |
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'json' => function ($data) { |
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if ($data instanceof DataResponse) { |
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$response = new JSONResponse( |
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$data->getData(), |
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$data->getStatus() |
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); |
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$dataHeaders = $data->getHeaders(); |
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$headers = $response->getHeaders(); |
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// do not overwrite Content-Type if it already exists |
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if (isset($dataHeaders['Content-Type'])) { |
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unset($headers['Content-Type']); |
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} |
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$response->setHeaders(array_merge($dataHeaders, $headers)); |
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if ($data->getETag() !== null) { |
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$response->setETag($data->getETag()); |
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} |
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if ($data->getLastModified() !== null) { |
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$response->setLastModified($data->getLastModified()); |
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} |
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if ($data->isThrottled()) { |
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$response->throttle($data->getThrottleMetadata()); |
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} |
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return $response; |
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} |
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return new JSONResponse($data); |
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} |
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]; |
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} |
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/** |
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* Parses an HTTP accept header and returns the supported responder type |
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* @param string $acceptHeader |
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* @param string $default |
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* @return string the responder type |
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* @since 7.0.0 |
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* @since 9.1.0 Added default parameter |
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*/ |
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public function getResponderByHTTPHeader($acceptHeader, $default = 'json') { |
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$headers = explode(',', $acceptHeader); |
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// return the first matching responder |
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foreach ($headers as $header) { |
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$header = strtolower(trim($header)); |
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$responder = str_replace('application/', '', $header); |
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if (array_key_exists($responder, $this->responders)) { |
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return $responder; |
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} |
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} |
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// no matching header return default |
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return $default; |
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} |
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/** |
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* Registers a formatter for a type |
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* @param string $format |
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* @param \Closure $responder |
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* @since 7.0.0 |
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*/ |
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protected function registerResponder($format, \Closure $responder) { |
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$this->responders[$format] = $responder; |
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} |
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/** |
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* Serializes and formats a response |
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* @param mixed $response the value that was returned from a controller and |
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* is not a Response instance |
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* @param string $format the format for which a formatter has been registered |
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* @throws \DomainException if format does not match a registered formatter |
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* @return Response |
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* @since 7.0.0 |
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*/ |
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public function buildResponse($response, $format = 'json') { |
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if (array_key_exists($format, $this->responders)) { |
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$responder = $this->responders[$format]; |
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return $responder($response); |
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} |
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throw new \DomainException('No responder registered for format '. |
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$format . '!'); |
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} |
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} |
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nextcloud /
server
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