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<?php
declare(strict_types=1);
/**
* @copyright Copyright (c) 2019 Joas Schilling <coding@schilljs.com>
*
* @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 OCA\Talk\Middleware;
use OCA\Talk\Config;
use OCA\Talk\Exceptions\ForbiddenException;
use OCA\Talk\Middleware\Exceptions\CanNotUseTalkException;
use OCA\Talk\Room;
use OCP\AppFramework\Controller;
use OCP\AppFramework\Http;
use OCP\AppFramework\Http\Response;
use OCP\AppFramework\Http\RedirectToDefaultAppResponse;
use OCP\AppFramework\Middleware;
use OCP\AppFramework\OCS\OCSException;
use OCP\AppFramework\OCSController;
use OCP\AppFramework\Utility\IControllerMethodReflector;
use OCP\IConfig;
use OCP\IUser;
use OCP\IUserSession;
class CanUseTalkMiddleware extends Middleware {
private IUserSession $userSession;
private IControllerMethodReflector $reflector;
private Config $talkConfig;
private IConfig $serverConfig;
public function __construct(IUserSession $userSession,
IControllerMethodReflector $reflector,
Config $talkConfig,
IConfig $serverConfig) {
$this->userSession = $userSession;
$this->reflector = $reflector;
$this->talkConfig = $talkConfig;
$this->serverConfig = $serverConfig;
}
/**
* @param Controller $controller
* @param string $methodName
*
* @throws CanNotUseTalkException
*/
public function beforeController($controller, $methodName): void {
$user = $this->userSession->getUser();
if ($user instanceof IUser && $this->talkConfig->isDisabledForUser($user)) {
throw new CanNotUseTalkException();
}
if ($this->reflector->hasAnnotation('RequireCallEnabled')
&& ((int) $this->serverConfig->getAppValue('spreed', 'start_calls')) === Room::START_CALL_NOONE) {
throw new CanNotUseTalkException();
}
}
/**
* @param Controller $controller
* @param string $methodName
* @param \Exception $exception
* @throws \Exception
* @return Response
*/
public function afterException($controller, $methodName, \Exception $exception): Response {
if ($exception instanceof CanNotUseTalkException ||
$exception instanceof ForbiddenException) {
if ($controller instanceof OCSController) {
throw new OCSException($exception->getMessage(), Http::STATUS_FORBIDDEN);
}
return new RedirectToDefaultAppResponse();
}
throw $exception;
}
}
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