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<?php
/**
* Nextcloud - Gallery
*
* This file is licensed under the Affero General Public License version 3 or
* later. See the COPYING file.
*
* @author Bernhard Posselt <dev@bernhard-posselt.com>
* @author Olivier Paroz <galleryapps@oparoz.com>
*
* @copyright Bernhard Posselt 2017
* @copyright Olivier Paroz 2017
*/
namespace OCA\Gallery\Controller;
use Exception;
use OCP\ILogger;
use OCP\IRequest;
use OCP\IURLGenerator;
use OCP\AppFramework\Http;
use OCP\AppFramework\Http\JSONResponse;
use OCP\AppFramework\Http\RedirectResponse;
use OCA\Gallery\Environment\NotFoundEnvException;
use OCA\Gallery\Service\NotFoundServiceException;
use OCA\Gallery\Service\ForbiddenServiceException;
/**
* Our classes extend both Controller and ApiController, so we need to use
* traits to add some common methods
*
* @package OCA\Gallery\Controller
*/
trait HttpError {
/**
* @param \Exception $exception
* @param IRequest $request
* @param ILogger $logger
*
* @return JSONResponse
*/
public function jsonError(Exception $exception,
IRequest $request,
ILogger $logger) {
$code = $this->getHttpStatusCode($exception);
// If the exception is not of type ForbiddenServiceException only show a
// generic error message to avoid leaking information.
if(!($exception instanceof ForbiddenServiceException)) {
$logger->logException($exception, ['app' => 'gallery']);
$message = sprintf('An error occurred. Request ID: %s', $request->getId());
} else {
$message = $exception->getMessage() . ' (' . $code . ')';
}
return new JSONResponse(
[
'message' => $message,
'success' => false,
],
$code
);
}
/**
* @param IURLGenerator $urlGenerator
* @param string $appName
* @param \Exception $exception
*
* @return RedirectResponse
*/
public function htmlError($urlGenerator, $appName, Exception $exception) {
$message = $exception->getMessage();
$code = $this->getHttpStatusCode($exception);
$url = $urlGenerator->linkToRoute(
$appName . '.page.error_page', ['code' => $code]
);
$response = new RedirectResponse($url);
$response->addCookie('galleryErrorMessage', $message);
return $response;
}
/**
* Returns an error array
*
* @param $exception
*
* @return array<null|int|string>
*/
public function getHttpStatusCode($exception) {
$code = Http::STATUS_INTERNAL_SERVER_ERROR;
if ($exception instanceof NotFoundServiceException
|| $exception instanceof NotFoundEnvException
) {
$code = Http::STATUS_NOT_FOUND;
}
if ($exception instanceof ForbiddenServiceException) {
$code = Http::STATUS_FORBIDDEN;
}
return $code;
}
}