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<?php |
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namespace AerialShip\SamlSPBundle\Bridge; |
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use AerialShip\LightSaml\Meta\LogoutRequestBuilder; |
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use AerialShip\LightSaml\Model\Protocol\LogoutRequest; |
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use AerialShip\SamlSPBundle\Config\ServiceInfo; |
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use AerialShip\SamlSPBundle\Config\ServiceInfoCollection; |
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use AerialShip\SamlSPBundle\RelyingParty\RelyingPartyInterface; |
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use AerialShip\SamlSPBundle\Security\Core\Authentication\Token\SamlSpToken; |
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use AerialShip\SamlSPBundle\State\Request\RequestState; |
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use AerialShip\SamlSPBundle\State\Request\RequestStateStoreInterface; |
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use Symfony\Component\HttpFoundation\RedirectResponse; |
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use Symfony\Component\HttpFoundation\Request; |
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use Symfony\Component\HttpFoundation\Response; |
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use Symfony\Component\Security\Core\SecurityContextInterface; |
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class LogoutSendRequest implements RelyingPartyInterface |
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{ |
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/** @var \Symfony\Component\Security\Core\SecurityContextInterface */ |
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protected $securityContext; |
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/** @var ServiceInfoCollection */ |
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protected $serviceInfoCollection; |
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/** @var RequestStateStoreInterface */ |
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protected $requestStateStore; |
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/** |
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* @param SecurityContextInterface $securityContext |
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* @param ServiceInfoCollection $serviceInfoCollection |
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* @param \AerialShip\SamlSPBundle\State\Request\RequestStateStoreInterface $requestStateStore |
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*/ |
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public function __construct( |
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SecurityContextInterface $securityContext, |
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ServiceInfoCollection $serviceInfoCollection, |
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RequestStateStoreInterface $requestStateStore |
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) { |
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$this->securityContext = $securityContext; |
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$this->serviceInfoCollection = $serviceInfoCollection; |
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$this->requestStateStore = $requestStateStore; |
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} |
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/** |
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* @param \Symfony\Component\HttpFoundation\Request $request |
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* @return bool |
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*/ |
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function supports(Request $request) |
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{ |
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if ($request->attributes->get('logout_path') != $request->getPathInfo()) { |
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return false; |
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} |
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/** @var $token SamlSpToken */ |
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$token = $this->securityContext->getToken(); |
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if (!$token || !$token instanceof SamlSpToken) { |
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return false; |
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} |
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if (!$token->getSamlSpInfo()) { |
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return false; |
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} |
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return true; |
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} |
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/** |
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* @param \Symfony\Component\HttpFoundation\Request $request |
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* @throws \RuntimeException if no signing provider set |
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* @throws \InvalidArgumentException if cannot manage the Request |
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* @return \Symfony\Component\HttpFoundation\Response|SamlSpInfo |
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*/ |
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function manage(Request $request) |
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{ |
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if (!$this->supports($request)) { |
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throw new \InvalidArgumentException('Unsupported request'); |
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} |
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$samlInfo = $this->getSamlInfo(); |
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$serviceInfo = $this->getServiceInfo($samlInfo, $request); |
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$builder = $this->createLogoutRequestBuilder($serviceInfo); |
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$logoutRequest = $this->createLogoutRequest($builder, $serviceInfo, $samlInfo); |
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$bindingResponse = $builder->send($logoutRequest); |
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$this->createRequestState($logoutRequest, $serviceInfo); |
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if ($bindingResponse instanceof \AerialShip\LightSaml\Binding\PostResponse) { |
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return new Response($bindingResponse->render()); |
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} else if ($bindingResponse instanceof \AerialShip\LightSaml\Binding\RedirectResponse) { |
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return new RedirectResponse($bindingResponse->getDestination()); |
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} |
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throw new \RuntimeException('Unknown binding response '.get_class($bindingResponse)); |
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} |
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/** |
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* @return SamlSpInfo |
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*/ |
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protected function getSamlInfo() |
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{ |
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/** @var $token SamlSpToken */ |
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$token = $this->securityContext->getToken(); |
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$samlInfo = $token->getSamlSpInfo(); |
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return $samlInfo; |
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} |
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/** |
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* @param SamlSpInfo $samlInfo |
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* @param Request $request |
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* @return ServiceInfo |
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* @throws \RuntimeException |
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*/ |
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protected function getServiceInfo(SamlSpInfo $samlInfo, Request $request) |
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{ |
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$serviceInfo = $this->serviceInfoCollection->get($samlInfo->getAuthenticationServiceID()); |
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if (!$serviceInfo) { |
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throw new \RuntimeException("redirect to discovery"); |
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} |
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if (!$serviceInfo->getSpSigningProvider()->isEnabled()) { |
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throw new \RuntimeException('Signing is required for Logout'); |
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} |
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$serviceInfo->getSpProvider()->setRequest($request); |
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return $serviceInfo; |
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} |
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/** |
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* @param ServiceInfo $serviceInfo |
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* @return LogoutRequestBuilder |
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*/ |
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protected function createLogoutRequestBuilder(ServiceInfo $serviceInfo) |
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{ |
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$builder = new LogoutRequestBuilder( |
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$serviceInfo->getSpProvider()->getEntityDescriptor(), |
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$serviceInfo->getIdpProvider()->getEntityDescriptor(), |
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$serviceInfo->getSpMetaProvider()->getSpMeta() |
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); |
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return $builder; |
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} |
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/** |
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* @param LogoutRequestBuilder $builder |
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* @param ServiceInfo $serviceInfo |
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* @param SamlSpInfo $samlInfo |
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* @return LogoutRequest |
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*/ |
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protected function createLogoutRequest(LogoutRequestBuilder $builder, ServiceInfo $serviceInfo, SamlSpInfo $samlInfo) |
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{ |
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$logoutRequest = $builder->build( |
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$samlInfo->getNameID()->getValue(), |
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$samlInfo->getNameID()->getFormat(), |
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$samlInfo->getAuthnStatement()->getSessionIndex() |
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); |
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$logoutRequest->sign($serviceInfo->getSpSigningProvider()->getCertificate(), $serviceInfo->getSpSigningProvider()->getPrivateKey()); |
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return $logoutRequest; |
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} |
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/** |
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* @param LogoutRequest $request |
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* @param ServiceInfo $serviceInfo |
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* @return RequestState |
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*/ |
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protected function createRequestState(LogoutRequest $request, ServiceInfo $serviceInfo) |
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{ |
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$state = new RequestState(); |
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$state->setId($request->getID()); |
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$state->setDestination($serviceInfo->getIdpProvider()->getEntityDescriptor()->getEntityID()); |
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$this->requestStateStore->set($state); |
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return $state; |
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} |
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} |
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Adding explicit visibility (
private
,protected
, orpublic
) is generally recommend to communicate to other developers how, and from where this method is intended to be used.