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<?php |
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/* |
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* This file is part of the Silverback API Components Bundle Project |
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* |
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* (c) Daniel West <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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declare(strict_types=1); |
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namespace Silverback\ApiComponentsBundle\Security\EventListener; |
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use ApiPlatform\Core\Api\IriConverterInterface; |
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use Silverback\ApiComponentsBundle\Entity\Core\AbstractComponent; |
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use Silverback\ApiComponentsBundle\Entity\Core\AbstractPageData; |
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use Silverback\ApiComponentsBundle\Repository\Core\AbstractPageDataRepository; |
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use Silverback\ApiComponentsBundle\Repository\Core\RouteRepository; |
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use Silverback\ApiComponentsBundle\Security\Voter\RouteVoter; |
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use Symfony\Component\HttpFoundation\Request; |
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use Symfony\Component\HttpFoundation\Response; |
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use Symfony\Component\HttpKernel\Event\RequestEvent; |
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use Symfony\Component\HttpKernel\HttpKernelInterface; |
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use Symfony\Component\Security\Core\Exception\AccessDeniedException; |
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use Symfony\Component\Security\Core\Security; |
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/** |
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* This will NOT restrict access to components fetched as a collection. As recommended by API Platform best practices, that should |
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* be implemented in a Doctrine extension by the application developer. |
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* |
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* @author Daniel West <[email protected]> |
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*/ |
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final class DenyAccessListener |
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{ |
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private RouteRepository $routeRepository; |
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private AbstractPageDataRepository $pageDataRepository; |
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private Security $security; |
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private IriConverterInterface $iriConverter; |
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private HttpKernelInterface $httpKernel; |
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public function __construct(RouteRepository $routeRepository, AbstractPageDataRepository $pageDataRepository, Security $security, IriConverterInterface $iriConverter, HttpKernelInterface $httpKernel) |
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{ |
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$this->routeRepository = $routeRepository; |
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$this->pageDataRepository = $pageDataRepository; |
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$this->security = $security; |
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$this->iriConverter = $iriConverter; |
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$this->httpKernel = $httpKernel; |
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} |
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public function onPreDeserialize(RequestEvent $event): void |
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{ |
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$request = $event->getRequest(); |
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$resource = $request->attributes->get('data'); |
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if ($resource instanceof AbstractComponent) { |
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if ($this->isComponentAccessible($resource, $request)) { |
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return; |
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} |
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throw new AccessDeniedException('Component access denied.'); |
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} |
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if ($resource instanceof AbstractPageData) { |
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if (false !== $this->isPageDataAllowedByRoute($resource)) { |
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return; |
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} |
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throw new AccessDeniedException('Page data access denied.'); |
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} |
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} |
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private function isComponentAccessible(AbstractComponent $component, Request $request): bool |
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{ |
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// TODO: What if the component is nested in another component's component collection, that's recursive... TBD |
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// Maybe we need to select the component and traverse up querying as we go... can we .. ? |
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return true === ($isRouteAllowed = $this->isComponentAllowedByRoute($component)) || |
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true === ($isPageDataAllowed = $this->isComponentAllowedByIfPageDataIsReachableAnonymously($component, $request)) || |
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(null === $isRouteAllowed && null === $isPageDataAllowed); |
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} |
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private function isComponentAllowedByIfPageDataIsReachableAnonymously(AbstractComponent $component, Request $request): ?bool |
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{ |
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$pageDataResources = $this->pageDataRepository->findByComponent($component); |
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// abstain - no results to say yay or nay |
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if (!\count($pageDataResources)) { |
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return null; |
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} |
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foreach ($pageDataResources as $pageDataResource) { |
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$path = $this->iriConverter->getIriFromItem($pageDataResource); |
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$subRequest = Request::create( |
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$path, |
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Request::METHOD_GET, |
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[], |
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$request->cookies->all(), |
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[], |
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$request->server->all(), |
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null |
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); |
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try { |
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$this->httpKernel->handle($subRequest, HttpKernelInterface::SUB_REQUEST, false); |
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return true; |
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} catch (\Exception $e) { |
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if (\in_array($e->getCode(), [Response::HTTP_UNAUTHORIZED, Response::HTTP_FORBIDDEN], true)) { |
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continue; |
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} |
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throw $e; |
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} |
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} |
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return false; |
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} |
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private function isComponentAllowedByRoute(AbstractComponent $component): ?bool |
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{ |
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$routes = $this->routeRepository->findByComponent($component); |
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if (!\count($routes)) { |
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return null; |
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} |
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foreach ($routes as $route) { |
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if ($this->security->isGranted(RouteVoter::READ_ROUTE, $route)) { |
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return true; |
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} |
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} |
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return false; |
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} |
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private function isPageDataAllowedByRoute(AbstractPageData $pageData): ?bool |
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{ |
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$routes = $this->routeRepository->findByPageData($pageData); |
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// abstain - no route to check |
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if (!\count($routes)) { |
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return null; |
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} |
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foreach ($routes as $route) { |
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$isGranted = $this->security->isGranted(RouteVoter::READ_ROUTE, $route); |
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if ($isGranted) { |
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return true; |
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} |
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} |
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return false; |
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} |
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} |
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components-web-app /
api-components-bundle
