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<?php |
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namespace AerialShip\SamlSPBundle\Bridge; |
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use AerialShip\LightSaml\Helper; |
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use AerialShip\LightSaml\Meta\SerializationContext; |
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use AerialShip\LightSaml\Model\Metadata\KeyDescriptor; |
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use AerialShip\LightSaml\Model\Metadata\Service\SingleLogoutService; |
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use AerialShip\LightSaml\Model\Protocol\LogoutRequest; |
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use AerialShip\LightSaml\Model\Protocol\LogoutResponse; |
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use AerialShip\LightSaml\Model\Protocol\Status; |
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use AerialShip\LightSaml\Model\XmlDSig\SignatureValidatorInterface; |
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use AerialShip\LightSaml\Security\KeyHelper; |
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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\State\SSO\SSOStateStoreInterface; |
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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\Http\HttpUtils; |
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class LogoutReceiveRequest extends LogoutBase implements RelyingPartyInterface |
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{ |
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/** @var BindingManager */ |
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protected $bindingManager; |
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/** @var ServiceInfoCollection */ |
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protected $serviceInfoCollection; |
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public function __construct( |
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BindingManager $bindingManager, |
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SSOStateStoreInterface $ssoStore, |
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ServiceInfoCollection $serviceInfoCollection, |
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HttpUtils $httpUtils |
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) { |
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parent::__construct($ssoStore, $httpUtils); |
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$this->bindingManager = $bindingManager; |
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$this->serviceInfoCollection = $serviceInfoCollection; |
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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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public function supports(Request $request) |
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{ |
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if ($request->attributes->get('logout_path') != $request->getPathInfo()) { |
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return false; |
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} |
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if (!$request->get('SAMLRequest')) { |
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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 |
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* @throws \InvalidArgumentException if cannot manage the Request |
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* @return \Symfony\Component\HttpFoundation\Response|SamlSpInfo|null |
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*/ |
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public function manage(Request $request) |
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{ |
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if (!$this->supports($request)) { |
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throw new \InvalidArgumentException('Unsupported request'); |
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} |
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$logoutRequest = $this->receiveRequest($request); |
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$serviceInfo = $this->getServiceInfo($logoutRequest); |
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$this->validateLogoutRequest($serviceInfo, $logoutRequest); |
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$arrStates = $this->getSSOState($serviceInfo, $logoutRequest->getNameID()->getValue(), $logoutRequest->getSessionIndex()); |
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$this->deleteSSOState($arrStates); |
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$logoutResponse = new LogoutResponse(); |
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$logoutResponse->setID(Helper::generateID()); |
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$logoutResponse->setIssuer($serviceInfo->getSpProvider()->getEntityDescriptor()->getEntityID()); |
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$logoutResponse->setInResponseTo($logoutRequest->getID()); |
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$arrSLO = $serviceInfo->getIdpProvider()->getEntityDescriptor()->getFirstIdpSsoDescriptor()->findSingleLogoutServices(); |
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/** @var $slo SingleLogoutService */ |
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$slo = array_pop($arrSLO); |
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$logoutResponse->setDestination($slo->getLocation()); |
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$status = new Status(); |
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$status->setSuccess(); |
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$logoutResponse->setStatus($status); |
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$context = new SerializationContext(); |
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$logoutResponse->getXml($context->getDocument(), $context); |
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$xml = $context->getDocument()->saveXML(); |
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return new Response($xml, 200, array('Content-Type' => 'application/xml')); |
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} |
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/** |
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* @param Request $request |
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* @return LogoutRequest |
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* @throws \InvalidArgumentException |
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*/ |
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protected function receiveRequest(Request $request) |
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{ |
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/** @var $logoutRequest LogoutRequest */ |
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$logoutRequest = $this->bindingManager->receive($request); |
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if (!$logoutRequest || !$logoutRequest instanceof LogoutRequest) { |
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throw new \InvalidArgumentException('Did not receive logout request'); |
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} |
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return $logoutRequest; |
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} |
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/** |
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* @param LogoutRequest $logoutRequest |
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* @return ServiceInfo|null |
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* @throws \RuntimeException |
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*/ |
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protected function getServiceInfo(LogoutRequest $logoutRequest) |
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{ |
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$serviceInfo = $this->serviceInfoCollection->findByIDPEntityID($logoutRequest->getIssuer()); |
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if (!$serviceInfo) { |
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throw new \RuntimeException('Got logout request from unknown IDP: '.$logoutRequest->getIssuer()); |
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} |
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return $serviceInfo; |
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} |
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/** |
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* @param \AerialShip\SamlSPBundle\Config\ServiceInfo $serviceInfo |
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* @param LogoutRequest $logoutRequest |
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* @throws \RuntimeException |
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*/ |
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protected function validateLogoutRequest(ServiceInfo $serviceInfo, LogoutRequest $logoutRequest) |
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{ |
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$idp = $serviceInfo->getIdpProvider()->getEntityDescriptor(); |
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$keyDescriptors = $idp->getFirstIdpSsoDescriptor()->getKeyDescriptors(); |
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if (empty($keyDescriptors)) { |
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throw new \RuntimeException('IDP must support signing for logout requests'); |
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} |
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/** @var $signature SignatureValidatorInterface */ |
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$signature = $logoutRequest->getSignature(); |
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if (!$signature) { |
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throw new \RuntimeException('Logout request must be signed'); |
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} |
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$keys = array(); |
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foreach ($keyDescriptors as $keyDescriptor) { |
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$key = KeyHelper::createPublicKey($keyDescriptor->getCertificate()); |
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$keys[] = $key; |
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} |
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$signature->validateMulti($keys); |
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} |
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} |
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aerialship /
SamlSPBundle
