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<?php |
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declare(strict_types=1); |
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namespace lepiaf\SapientBundle\EventSubscriber; |
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use lepiaf\SapientBundle\Exception\RequestDecodeException; |
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use ParagonIE\ConstantTime\Base64UrlSafe; |
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use ParagonIE\Sapient\CryptographyKeys\SealingSecretKey; |
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use ParagonIE\Sapient\Sapient; |
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use Symfony\Bridge\PsrHttpMessage\Factory\DiactorosFactory; |
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use Symfony\Component\EventDispatcher\EventSubscriberInterface; |
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use Symfony\Component\HttpKernel\Event\GetResponseEvent; |
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use Symfony\Component\HttpKernel\KernelEvents; |
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class UnsealRequestSubscriber implements EventSubscriberInterface |
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{ |
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/** |
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* @var Sapient |
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*/ |
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private $sapient; |
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/** |
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* @var DiactorosFactory |
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*/ |
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private $diactorosFactory; |
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/** |
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* @var string |
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*/ |
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private $privateKey; |
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public function __construct(Sapient $sapient, DiactorosFactory $diactorosFactory, string $privateKey) |
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{ |
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$this->sapient = $sapient; |
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$this->diactorosFactory = $diactorosFactory; |
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$this->privateKey = $privateKey; |
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} |
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public static function getSubscribedEvents() |
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{ |
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return [ |
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KernelEvents::REQUEST => ['unsealRequest', -100], |
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]; |
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} |
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public function unsealRequest(GetResponseEvent $event): void |
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{ |
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$request = $event->getRequest(); |
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$psrRequest = $this->diactorosFactory->createRequest($request); |
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try { |
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$unsealedPsrRequest = $this->sapient->unsealRequest( |
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$psrRequest, |
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new SealingSecretKey(Base64UrlSafe::decode($this->privateKey)) |
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); |
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} catch (\RangeException $rangeException) { |
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throw new RequestDecodeException('Request is not sealed. Cannot decode request'); |
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} |
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$request->initialize( |
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$request->query->all(), |
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$request->request->all(), |
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$request->attributes->all(), |
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$request->cookies->all(), |
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$request->files->all(), |
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$request->server->all(), |
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(string) $unsealedPsrRequest->getBody() |
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); |
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} |
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} |
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lepiaf /
sapient-bundle
