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<?php |
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/******************************************************************************* |
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* This file is part of the GraphQL Bundle package. |
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* |
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* (c) YnloUltratech <[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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namespace Ynlo\GraphQLBundle\Request; |
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use Lcobucci\JWT\Parser; |
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use Lcobucci\JWT\Signer\Hmac\Sha256; |
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use Symfony\Component\HttpFoundation\Request; |
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use Ynlo\GraphQLBundle\Subscription\SubscriptionRequest; |
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/** |
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* This middleware listen for internal subscriptions requests to set this arguments in the query. |
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* |
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* NOTE: subscriptions requests are internal requests send by a subscription consumer in order to |
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* emulate a request like a final user but when a subscription is dispatched. |
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*/ |
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class SubscriptionsRequestMiddleware implements RequestMiddlewareInterface |
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{ |
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protected $secret; |
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/** |
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* SubscriptionsRequestMiddleware constructor. |
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* |
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* @param string $secret |
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*/ |
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public function __construct($secret) |
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{ |
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$this->secret = $secret; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function processRequest(Request $request, ExecuteQuery $query): void |
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{ |
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$content = $request->getContent(); |
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if ($content |
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&& $request->headers->has('Subscription') |
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&& $subscriptionJWT = $request->headers->get('Subscription')) { |
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$token = (new Parser())->parse($subscriptionJWT); |
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if (!$token->verify(new Sha256(), $this->secret)) { |
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throw new \RuntimeException('Invalid subscription signature'); |
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} |
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$query->setSubscriptionRequest( |
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new SubscriptionRequest( |
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$token->getClaim('jti'), |
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unserialize($token->getClaim('data'), [true]) |
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) |
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); |
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} |
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} |
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} |
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ynloultratech /
graphql-bundle
