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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\Voter; |
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use ApiPlatform\Core\Api\IriConverterInterface; |
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use Silverback\ApiComponentsBundle\DataProvider\PageDataProvider; |
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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\Entity\Core\Route; |
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use Symfony\Component\HttpFoundation\Request; |
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use Symfony\Component\HttpFoundation\RequestStack; |
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use Symfony\Component\HttpFoundation\Response; |
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use Symfony\Component\HttpKernel\HttpKernelInterface; |
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use Symfony\Component\Security\Core\Authentication\Token\TokenInterface; |
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use Symfony\Component\Security\Core\Authorization\Voter\Voter; |
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/** |
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* @author Daniel West <[email protected]> |
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*/ |
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class ComponentVoter extends Voter |
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{ |
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public const READ_COMPONENT = 'read_component'; |
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private PageDataProvider $pageDataProvider; |
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private IriConverterInterface $iriConverter; |
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private HttpKernelInterface $httpKernel; |
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private RequestStack $requestStack; |
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public function __construct( |
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PageDataProvider $pageDataProvider, |
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IriConverterInterface $iriConverter, |
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HttpKernelInterface $httpKernel, |
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RequestStack $requestStack |
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) { |
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$this->pageDataProvider = $pageDataProvider; |
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$this->iriConverter = $iriConverter; |
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$this->httpKernel = $httpKernel; |
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$this->requestStack = $requestStack; |
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} |
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protected function supports($attribute, $subject): bool |
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{ |
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return self::READ_COMPONENT === $attribute && $subject instanceof AbstractComponent; |
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} |
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/** |
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* @param AbstractComponent $subject |
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*/ |
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protected function voteOnAttribute($attribute, $subject, TokenInterface $token): bool |
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{ |
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$request = $this->requestStack->getCurrentRequest(); |
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if (!$request) { |
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return true; |
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} |
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$pagesGenerator = $this->getComponentPages($subject); |
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$pages = iterator_to_array($pagesGenerator); |
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// Check if accessible via any route |
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$routes = $this->getComponentRoutesFromPages($pages); |
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$routeCount = 0; |
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foreach ($routes as $route) { |
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++$routeCount; |
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if ($this->isRouteReachableResource($route, $request)) { |
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return true; |
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} |
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} |
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// check if accessible via any page data |
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// 1. as a page data property |
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$pageData = $this->pageDataProvider->findPageDataComponentMetadata($subject); |
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$pageDataCount = 0; |
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foreach ($pageData as $pageDatum) { |
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foreach ($pageDatum->getPageDataResources() as $pageDataResource) { |
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++$pageDataCount; |
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if ($this->isPageDataReachableResource($pageDataResource, $request)) { |
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return true; |
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} |
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} |
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} |
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// 2. as a component in the page template being used by page data |
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$pageDataByPagesComponentUsedIn = $this->pageDataProvider->findPageDataResourcesByPages($pages); |
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foreach ($pageDataByPagesComponentUsedIn as $pageData) { |
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if ($this->isPageDataReachableResource($pageData, $request)) { |
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return true; |
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} |
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} |
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return !$routeCount && !$pageDataCount && !\count($pageDataByPagesComponentUsedIn); |
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} |
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private function isRouteReachableResource(Route $route, Request $request): bool |
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{ |
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$path = $this->iriConverter->getIriFromItem($route); |
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return $this->isPathReachable($path, $request); |
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} |
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private function isPageDataReachableResource(AbstractPageData $pageData, Request $request): bool |
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{ |
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$path = $this->iriConverter->getIriFromItem($pageData); |
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return $this->isPathReachable($path, $request); |
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} |
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private function isPathReachable(string $path, Request $request): bool |
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{ |
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$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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return false; |
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} |
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throw $e; |
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} |
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} |
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private function getComponentPages(AbstractComponent $component): iterable |
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{ |
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$componentPositions = $component->getComponentPositions(); |
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if (!\count($componentPositions)) { |
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return; |
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} |
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foreach ($componentPositions as $componentPosition) { |
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$componentCollection = $componentPosition->componentCollection; |
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foreach ($componentCollection->components as $parentComponent) { |
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yield from $this->getComponentPages($parentComponent); |
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} |
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yield from $componentCollection->pages; |
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} |
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} |
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private function getComponentRoutesFromPages(array $pages): iterable |
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{ |
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foreach ($pages as $page) { |
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$route = $page->getRoute(); |
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if ($route) { |
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yield $route; |
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} |
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} |
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} |
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} |
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components-web-app /
api-components-bundle
