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<?php |
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namespace Silverback\ApiComponentsBundle\Mercure; |
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use ApiPlatform\Exception\OperationNotFoundException; |
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use ApiPlatform\Metadata\HttpOperation; |
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use ApiPlatform\Metadata\Resource\Factory\ResourceMetadataCollectionFactoryInterface; |
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use ApiPlatform\Metadata\Resource\Factory\ResourceNameCollectionFactoryInterface; |
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use Silverback\ApiComponentsBundle\Annotation\Publishable; |
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use Silverback\ApiComponentsBundle\Helper\Publishable\PublishableStatusChecker; |
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use Symfony\Component\HttpFoundation\Cookie; |
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use Symfony\Component\HttpFoundation\RequestStack; |
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use Symfony\Component\Mercure\Authorization; |
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use Symfony\Component\Routing\RequestContext; |
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class MercureAuthorization |
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{ |
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public function __construct( |
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private readonly ResourceNameCollectionFactoryInterface $resourceNameCollectionFactory, |
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private readonly ResourceMetadataCollectionFactoryInterface $resourceMetadataCollectionFactory, |
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private readonly PublishableStatusChecker $publishableStatusChecker, |
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private readonly RequestContext $requestContext, |
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private readonly Authorization $mercureAuthorization, |
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private readonly RequestStack $requestStack, |
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private readonly string $cookieSameSite = Cookie::SAMESITE_STRICT, |
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private readonly ?string $hubName = null |
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) { |
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} |
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public function getAuthorizationCookie(): Cookie |
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{ |
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$subscribeTopics = $this->getSubscribeTopics(); |
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// Todo: await merge of https://github.com/symfony/mercure/pull/93 to remove ability to publish any updates and set to null |
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// May also be able to await a mercure bundle update to set the cookie samesite in mercure configs |
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$cookie = $this->mercureAuthorization->createCookie($this->requestStack->getCurrentRequest(), $subscribeTopics, [], [], $this->hubName); |
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return $cookie |
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->withSameSite($this->cookieSameSite) |
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->withExpires(time() + (10 * 365 * 24 * 60 * 60)); |
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} |
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public function getClearAuthorizationCookie(): Cookie |
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{ |
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return $this->getAuthorizationCookie()->withExpires(1); |
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} |
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public function getSubscribeTopics(): array |
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{ |
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$subscribeIris = []; |
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foreach ($this->resourceNameCollectionFactory->create() as $resourceClass) { |
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if ($resourceIris = $this->getSubscribeIrisForResource($resourceClass)) { |
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$subscribeIris[] = $resourceIris; |
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} |
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} |
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return array_merge([], ...$subscribeIris); |
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} |
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private function getSubscribeIrisForResource(string $resourceClass): ?array |
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{ |
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$operation = $this->getMercureResourceOperation($resourceClass); |
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if (!$operation) { |
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return null; |
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} |
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$refl = new \ReflectionClass($operation->getClass()); |
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$isPublishable = \count($refl->getAttributes(Publishable::class)); |
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$uriTemplate = $this->buildAbsoluteUriTemplate() . $operation->getRoutePrefix() . $operation->getUriTemplate(); |
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$subscribeIris = [$uriTemplate]; |
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if (!$isPublishable) { |
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return $subscribeIris; |
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} |
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// Note that `?draft=1` is also hard coded into the PublishableIriConverter, probably make this configurable somewhere |
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if ($this->publishableStatusChecker->isGranted($operation->getClass())) { |
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$subscribeIris[] = $uriTemplate . '?draft=1'; |
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} |
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return $subscribeIris; |
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} |
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private function getMercureResourceOperation(string $resourceClass): ?HttpOperation |
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{ |
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$resourceMetadataCollection = $this->resourceMetadataCollectionFactory->create($resourceClass); |
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try { |
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$operation = $resourceMetadataCollection->getOperation(forceCollection: false, httpOperation: true); |
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} catch (OperationNotFoundException $e) { |
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return null; |
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} |
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if (!$operation instanceof HttpOperation) { |
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return null; |
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} |
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$mercure = $operation->getMercure(); |
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if (!$mercure) { |
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return null; |
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} |
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return $operation; |
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} |
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/** |
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* Mercure subscribe iris should be absolute |
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* this code can also be found in Symfony's URL Generator |
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* but as we work without a symfony route here (and we would not want to do this as its not spec-compliant) |
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* we do it by hand. |
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*/ |
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private function buildAbsoluteUriTemplate(): string |
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{ |
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$scheme = $this->requestContext->getScheme(); |
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$host = $this->requestContext->getHost(); |
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$port = $this->requestContext->isSecure() ? $this->requestContext->getHttpsPort() : $this->requestContext->getHttpPort(); |
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if (80 !== $port || 443 !== $port) { |
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return sprintf('%s://%s:%d', $scheme, $host, $port); |
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} |
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return sprintf('%s://%s', $scheme, $host); |
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} |
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} |
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components-web-app /
api-components-bundle
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