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<?php
/**
*
* @author Roeland Jago Douma <roeland@famdouma.nl>
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
namespace OC\AppFramework\Middleware;
use OC\AppFramework\Http;
use OCP\AppFramework\Http\OCSResponse;
use OCP\AppFramework\OCS\OCSException;
use OCP\AppFramework\OCSController;
use OCP\IRequest;
use OCP\AppFramework\Middleware;
class OCSMiddleware extends Middleware {
/** @var IRequest */
private $request;
/**
* @param IRequest $request
*/
public function __construct(IRequest $request) {
$this->request = $request;
}
/**
* @param \OCP\AppFramework\Controller $controller
* @param string $methodName
* @param \Exception $exception
* @throws \Exception
* @return OCSResponse
*/
public function afterException($controller, $methodName, \Exception $exception) {
if ($controller instanceof OCSController && $exception instanceof OCSException) {
$format = $this->getFormat($controller);
$code = $exception->getCode();
if ($code === 0) {
$code = Http::STATUS_INTERNAL_SERVER_ERROR;
}
return new OCSResponse($format, $code, $exception->getMessage());
}
throw $exception;
}
/**
* @param \OCP\AppFramework\Controller $controller
* @return string
*/
private function getFormat($controller) {
// get format from the url format or request format parameter
$format = $this->request->getParam('format');
// if none is given try the first Accept header
if($format === null) {
$headers = $this->request->getHeader('Accept');
$format = $controller->getResponderByHTTPHeader($headers);
}
return $format;
}
}
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