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<?php |
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/** |
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* |
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* |
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* @author Christoph Wurst <[email protected]> |
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* @author Lukas Reschke <[email protected]> |
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* @author Roeland Jago Douma <[email protected]> |
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* |
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* @license GNU AGPL version 3 or any later version |
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* |
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* This program 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 as |
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* published by the Free Software Foundation, either version 3 of the |
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* License, or (at your option) any later version. |
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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 |
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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 OC\AppFramework\Middleware; |
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use OC\AppFramework\Http; |
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use OC\AppFramework\OCS\BaseResponse; |
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use OC\AppFramework\OCS\V1Response; |
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use OC\AppFramework\OCS\V2Response; |
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use OCP\AppFramework\Controller; |
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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\AppFramework\Middleware; |
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use OCP\AppFramework\OCS\OCSException; |
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use OCP\AppFramework\OCSController; |
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use OCP\IRequest; |
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class OCSMiddleware extends Middleware { |
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/** @var IRequest */ |
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private $request; |
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/** @var int */ |
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private $ocsVersion; |
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/** |
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* @param IRequest $request |
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*/ |
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public function __construct(IRequest $request) { |
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$this->request = $request; |
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} |
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/** |
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* @param Controller $controller |
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* @param string $methodName |
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*/ |
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public function beforeController($controller, $methodName) { |
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if ($controller instanceof OCSController) { |
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if (substr_compare($this->request->getScriptName(), '/ocs/v2.php', -strlen('/ocs/v2.php')) === 0) { |
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$this->ocsVersion = 2; |
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} else { |
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$this->ocsVersion = 1; |
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} |
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$controller->setOCSVersion($this->ocsVersion); |
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} |
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} |
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/** |
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* @param Controller $controller |
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* @param string $methodName |
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* @param \Exception $exception |
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* @throws \Exception |
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* @return BaseResponse |
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*/ |
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public function afterException($controller, $methodName, \Exception $exception) { |
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if ($controller instanceof OCSController && $exception instanceof OCSException) { |
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$code = $exception->getCode(); |
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if ($code === 0) { |
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$code = \OCP\AppFramework\OCSController::RESPOND_UNKNOWN_ERROR; |
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} |
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return $this->buildNewResponse($controller, $code, $exception->getMessage()); |
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} |
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throw $exception; |
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} |
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/** |
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* @param Controller $controller |
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* @param string $methodName |
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* @param Response $response |
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* @return \OCP\AppFramework\Http\Response |
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*/ |
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public function afterController($controller, $methodName, Response $response) { |
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/* |
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* If a different middleware has detected that a request unauthorized or forbidden |
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* we need to catch the response and convert it to a proper OCS response. |
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*/ |
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if ($controller instanceof OCSController && !($response instanceof BaseResponse)) { |
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if ($response->getStatus() === Http::STATUS_UNAUTHORIZED) { |
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$message = ''; |
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if ($response instanceof JSONResponse) { |
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/** @var DataResponse $response */ |
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$message = $response->getData()['message']; |
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} |
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return $this->buildNewResponse($controller, OCSController::RESPOND_UNAUTHORISED, $message); |
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} |
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if ($response->getStatus() === Http::STATUS_FORBIDDEN) { |
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$message = ''; |
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if ($response instanceof JSONResponse) { |
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/** @var DataResponse $response */ |
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$message = $response->getData()['message']; |
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} |
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return $this->buildNewResponse($controller, Http::STATUS_FORBIDDEN, $message); |
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} |
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} |
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return $response; |
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} |
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/** |
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* @param Controller $controller |
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* @param int $code |
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* @param string $message |
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* @return V1Response|V2Response |
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*/ |
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private function buildNewResponse(Controller $controller, $code, $message) { |
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$format = $this->getFormat($controller); |
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$data = new DataResponse(); |
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$data->setStatus($code); |
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if ($this->ocsVersion === 1) { |
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$response = new V1Response($data, $format, $message); |
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} else { |
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$response = new V2Response($data, $format, $message); |
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} |
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return $response; |
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} |
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/** |
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* @param Controller $controller |
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* @return string |
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*/ |
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private function getFormat(Controller $controller) { |
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// get format from the url format or request format parameter |
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$format = $this->request->getParam('format'); |
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// if none is given try the first Accept header |
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if ($format === null) { |
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$headers = $this->request->getHeader('Accept'); |
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$format = $controller->getResponderByHTTPHeader($headers, 'xml'); |
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} |
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return $format; |
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} |
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} |
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nextcloud /
server
