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<?php |
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/* |
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* Copyright (c) 2010-2017 Fabien Potencier |
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* |
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* Permission is hereby granted, free of charge, to any person obtaining a copy |
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* of this software and associated documentation files (the "Software"), to deal |
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* in the Software without restriction, including without limitation the rights |
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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* copies of the Software, and to permit persons to whom the Software is furnished |
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* to do so, subject to t * *he following conditions: |
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* |
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* The above copyright notice and this permission notice shall be included in all |
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* copies or substantial portions of the Software. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
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* THE SOFTWARE. |
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* |
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*/ |
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namespace Bankiru\Api\Rpc\Listener; |
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use Bankiru\Api\Rpc\Event\FilterControllerEvent; |
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use Bankiru\Api\Rpc\Http\RequestInterface; |
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use Bankiru\Api\Rpc\RpcEvents; |
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use Bankiru\Api\Rpc\RpcRequestInterface; |
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use Sensio\Bundle\FrameworkExtraBundle\Security\ExpressionLanguage; |
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use Symfony\Component\EventDispatcher\EventSubscriberInterface; |
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use Symfony\Component\Security\Core\Authentication\AuthenticationTrustResolverInterface; |
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use Symfony\Component\Security\Core\Authentication\Token\Storage\TokenStorageInterface; |
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use Symfony\Component\Security\Core\Authorization\AuthorizationCheckerInterface; |
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use Symfony\Component\Security\Core\Exception\AccessDeniedException; |
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use Symfony\Component\Security\Core\Role\RoleHierarchyInterface; |
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/** |
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* SecurityListener handles security restrictions on controllers. |
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* |
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* @author Fabien Potencier <[email protected]> |
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*/ |
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final class SecurityListener implements EventSubscriberInterface |
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{ |
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private $tokenStorage; |
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private $authChecker; |
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private $language; |
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private $trustResolver; |
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private $roleHierarchy; |
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public function __construct( |
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TokenStorageInterface $tokenStorage, |
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AuthorizationCheckerInterface $authChecker, |
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ExpressionLanguage $language = null, |
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AuthenticationTrustResolverInterface $trustResolver = null, |
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RoleHierarchyInterface $roleHierarchy = null |
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) { |
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$this->tokenStorage = $tokenStorage; |
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$this->authChecker = $authChecker; |
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$this->language = $language; |
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$this->trustResolver = $trustResolver; |
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$this->roleHierarchy = $roleHierarchy; |
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} |
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public function onKernelController(FilterControllerEvent $event) |
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{ |
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$request = $event->getRequest(); |
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if (!$configuration = $request->getAttributes()->get('_security')) { |
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return; |
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} |
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if (null === $this->tokenStorage || null === $this->trustResolver) { |
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throw new \LogicException('To use the @Security tag, you need to install the Symfony Security bundle.'); |
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} |
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if (null === $this->tokenStorage->getToken()) { |
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throw new \LogicException('To use the @Security tag, your controller needs to be behind a firewall.'); |
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} |
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if (null === $this->language) { |
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throw new \LogicException( |
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'To use the @Security tag, you need to use the Security component 2.4 or newer and install the ExpressionLanguage component.' |
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); |
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} |
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if (!$this->language->evaluate($configuration->getExpression(), $this->getVariables($request))) { |
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throw new AccessDeniedException(sprintf('Expression "%s" denied access.', $configuration->getExpression())); |
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} |
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} |
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// code should be sync with Symfony\Component\Security\Core\Authorization\Voter\ExpressionVoter |
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public static function getSubscribedEvents() |
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{ |
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return [RpcEvents::CONTROLLER => ['onKernelController', -255]]; |
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} |
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private function getVariables(RpcRequestInterface $request) |
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{ |
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$token = $this->tokenStorage->getToken(); |
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if (null !== $this->roleHierarchy) { |
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$roles = $this->roleHierarchy->getReachableRoles($token->getRoles()); |
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} else { |
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$roles = $token->getRoles(); |
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} |
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$variables = [ |
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'token' => $token, |
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'user' => $token->getUser(), |
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'object' => $request, |
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'request' => $request, |
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'roles' => array_map( |
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function ($role) { |
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return $role->getRole(); |
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}, |
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$roles |
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), |
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'trust_resolver' => $this->trustResolver, |
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// needed for the is_granted expression function |
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'auth_checker' => $this->authChecker, |
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]; |
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// controller variables should also be accessible |
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return array_merge($request->getAttributes()->all(), $variables); |
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} |
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} |
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bankiru /
rpc-server-bundle
