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<?php |
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namespace AerialShip\SamlSPBundle\Bridge; |
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use AerialShip\LightSaml\Model\Protocol\LogoutResponse; |
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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\RequestStateStoreInterface; |
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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\Security\Core\SecurityContextInterface; |
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use Symfony\Component\Security\Http\HttpUtils; |
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class LogoutReceiveResponse 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 RequestStateStoreInterface */ |
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protected $requestStore; |
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/** @var ServiceInfoCollection */ |
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protected $serviceInfoCollection; |
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/** @var \Symfony\Component\Security\Core\SecurityContextInterface */ |
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protected $securityContext; |
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/** |
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* @param BindingManager $bindingManager |
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* @param RequestStateStoreInterface $requestStore |
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* @param \AerialShip\SamlSPBundle\Config\ServiceInfoCollection $serviceInfoCollection |
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* @param \AerialShip\SamlSPBundle\State\SSO\SSOStateStoreInterface $ssoStore |
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* @param \Symfony\Component\Security\Core\SecurityContextInterface $securityContext |
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* @param \Symfony\Component\Security\Http\HttpUtils $httpUtils |
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*/ |
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public function __construct( |
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BindingManager $bindingManager, |
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RequestStateStoreInterface $requestStore, |
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ServiceInfoCollection $serviceInfoCollection, |
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SSOStateStoreInterface $ssoStore, |
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SecurityContextInterface $securityContext, |
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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->requestStore = $requestStore; |
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$this->serviceInfoCollection = $serviceInfoCollection; |
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$this->securityContext = $securityContext; |
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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('SAMLResponse')) { |
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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($request)) { |
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throw new \InvalidArgumentException('Unsupported request'); |
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} |
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$logoutResponse = $this->getLogoutResponse($request); |
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$this->validateRequestState($logoutResponse); |
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$this->deleteSSOSession($logoutResponse); |
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return $this->httpUtils->createRedirectResponse($request, $request->attributes->get('local_logout_path')); |
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} |
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/** |
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* @param Request $request |
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* @return LogoutResponse |
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* @throws \InvalidArgumentException |
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*/ |
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protected function getLogoutResponse(Request $request) |
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{ |
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/** @var $logoutResponse LogoutResponse */ |
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$logoutResponse = $this->bindingManager->receive($request); |
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if (!$logoutResponse || !$logoutResponse instanceof LogoutResponse) { |
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throw new \InvalidArgumentException('Did not receive logout response'); |
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} |
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return $logoutResponse; |
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} |
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/** |
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* @param LogoutResponse $logoutResponse |
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* @throws \RuntimeException |
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*/ |
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protected function validateRequestState(LogoutResponse $logoutResponse) |
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{ |
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$state = $this->requestStore->get($logoutResponse->getInResponseTo()); |
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if (!$state) { |
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throw new \RuntimeException('Got response to a request that was not made'); |
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} |
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if ($state->getDestination() != $logoutResponse->getIssuer()) { |
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throw new \RuntimeException('Got response from different issuer'); |
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} |
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$this->requestStore->remove($state); |
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} |
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protected function deleteSSOSession(LogoutResponse $logoutResponse) |
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{ |
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$serviceInfo = $this->serviceInfoCollection->findByIDPEntityID($logoutResponse->getIssuer()); |
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/** @var $token SamlSpToken */ |
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$token = $this->securityContext->getToken(); |
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if ($token && $token instanceof SamlSpToken) { |
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$samlInfo = $token->getSamlSpInfo(); |
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if ($samlInfo) { |
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$arrStates = $this->getSSOState($serviceInfo, $samlInfo->getNameID()->getValue(), $samlInfo->getAuthnStatement()->getSessionIndex()); |
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$this->deleteSSOState($arrStates); |
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} |
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} |
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} |
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} |
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Unless you are absolutely sure that the expression can never be null because of other conditions, we strongly recommend to add an additional type check to your code: