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<?php |
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/* |
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* The MIT License (MIT) |
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* |
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* Copyright (c) 2018 Spomky-Labs |
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* |
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* This software may be modified and distributed under the terms |
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* of the MIT license. See the LICENSE file for details. |
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*/ |
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namespace U2FAuthentication\Bundle\Controller; |
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use Symfony\Component\EventDispatcher\EventDispatcherInterface; |
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use Symfony\Component\HttpFoundation\JsonResponse; |
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use Symfony\Component\HttpFoundation\Request; |
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use Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException; |
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use Symfony\Component\HttpKernel\Exception\HttpException; |
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use Symfony\Component\Security\Core\Authentication\Token\Storage\TokenStorageInterface; |
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use U2FAuthentication\Bundle\Event\Events; |
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use U2FAuthentication\Bundle\Event\RegistrationRequestIssuedEvent; |
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use U2FAuthentication\Bundle\Event\RegistrationResponseInvalidEvent; |
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use U2FAuthentication\Bundle\Event\RegistrationResponseValidatedEvent; |
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use U2FAuthentication\Bundle\Model\HasRegisteredKeys; |
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use U2FAuthentication\RegistrationRequest; |
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use U2FAuthentication\RegistrationResponse; |
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class RegistrationController |
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{ |
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/** |
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* @var string |
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*/ |
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private $applicationId; |
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/** |
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* @var TokenStorageInterface |
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*/ |
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private $tokenStorage; |
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/** |
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* @var array |
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*/ |
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private $issuerCertificates; |
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/** |
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* @var EventDispatcherInterface |
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*/ |
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private $eventDispatcher; |
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/** |
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* RegistrationController constructor. |
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* @param EventDispatcherInterface $eventDispatcher |
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* @param TokenStorageInterface $tokenStorage |
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* @param string $applicationId |
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* @param array $issuerCertificates |
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*/ |
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public function __construct(EventDispatcherInterface $eventDispatcher, TokenStorageInterface $tokenStorage, string $applicationId, array $issuerCertificates) |
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{ |
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$this->eventDispatcher = $eventDispatcher; |
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$this->tokenStorage = $tokenStorage; |
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$this->applicationId = $applicationId; |
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$this->issuerCertificates = $issuerCertificates; |
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} |
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/** |
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* @param Request $request |
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* |
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* @return JsonResponse |
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*/ |
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public function getRegistrationRequestAction(Request $request): JsonResponse |
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{ |
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$user = $this->getUser(); |
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try { |
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$registrationRequest = RegistrationRequest::create($this->applicationId); |
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$request->getSession()->set('U2F_REGISTRATION_REQUEST', $registrationRequest); |
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$this->eventDispatcher->dispatch( |
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Events::U2F_REGISTRATION_REQUEST_ISSUED, |
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new RegistrationRequestIssuedEvent($user, $registrationRequest) |
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); |
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return new JsonResponse($registrationRequest); |
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} catch (\Exception $e) { |
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throw new HttpException(500, 'An error occurred during the creation of the registration request.', $e); |
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} |
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} |
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/** |
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* @param Request $request |
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* |
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* @return JsonResponse |
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*/ |
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public function postRegistrationRequestAction(Request $request): JsonResponse |
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{ |
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$user = $this->getUser(); |
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$registrationRequest = $request->getSession()->get('U2F_REGISTRATION_REQUEST'); |
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if (!$registrationRequest instanceof RegistrationRequest) { |
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throw new HttpException(400, 'The registration request is missing'); |
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} |
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$request->getSession()->remove('U2F_REGISTRATION_REQUEST'); |
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$data = $request->request->all(); |
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$registrationResponse = RegistrationResponse::create($data); |
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if (!$registrationResponse->isValid($registrationRequest, $this->issuerCertificates)) { |
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$this->eventDispatcher->dispatch( |
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Events::U2F_REGISTRATION_RESPONSE_INVALID, |
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new RegistrationResponseInvalidEvent($user, $registrationResponse) |
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); |
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throw new HttpException(400, 'The registration response is invalid'); |
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} |
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$this->eventDispatcher->dispatch( |
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Events::U2F_REGISTRATION_RESPONSE_VALIDATED, |
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new RegistrationResponseValidatedEvent($user, $registrationResponse) |
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); |
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return new JsonResponse(['registered' => 'ok'], 204); |
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} |
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/** |
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* @return HasRegisteredKeys |
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*/ |
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private function getUser(): HasRegisteredKeys |
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{ |
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$token = $this->tokenStorage->getToken(); |
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if (null === $token) { |
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throw new AccessDeniedHttpException('The user must be connected'); |
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} |
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$user = $token->getUser(); |
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if (null === $user) { |
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throw new AccessDeniedHttpException('The user must be connected'); |
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} |
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if (!$user instanceof HasRegisteredKeys) { |
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throw new AccessDeniedHttpException('The user does not support the U2F keys'); |
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} |
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return $user; |
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} |
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} |
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