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<?php |
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/** |
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* Copyright 2014 SURFnet bv |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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namespace Surfnet\StepupGateway\GatewayBundle\Controller; |
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use Exception; |
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use SAML2_Assertion; |
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use SAML2_Const; |
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use SAML2_Response; |
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use Surfnet\SamlBundle\SAML2\AuthnRequest; |
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use Surfnet\SamlBundle\SAML2\AuthnRequestFactory; |
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use Surfnet\StepupGateway\GatewayBundle\Saml\AssertionAdapter; |
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use Symfony\Bundle\FrameworkBundle\Controller\Controller; |
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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\HttpKernel\Exception\HttpException; |
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class GatewayController extends Controller |
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{ |
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public function ssoAction(Request $httpRequest) |
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{ |
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/** @var \Psr\Log\LoggerInterface $logger */ |
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$logger = $this->get('logger'); |
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$logger->notice('Received AuthnRequest, started processing'); |
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/** @var \Surfnet\SamlBundle\Http\RedirectBinding $redirectBinding */ |
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$redirectBinding = $this->get('surfnet_saml.http.redirect_binding'); |
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try { |
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$originalRequest = $redirectBinding->processUnsignedRequest($httpRequest); |
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} catch (Exception $e) { |
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$logger->critical(sprintf('Could not process Request, error: "%s"', $e->getMessage())); |
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return $this->render('unrecoverableError'); |
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} |
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$originalRequestId = $originalRequest->getRequestId(); |
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$logger = $this->get('surfnet_saml.logger')->forAuthentication($originalRequestId); |
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$logger->notice(sprintf( |
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'AuthnRequest processing complete, received AuthnRequest from "%s", request ID: "%s"', |
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$originalRequest->getServiceProvider(), |
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$originalRequest->getRequestId() |
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)); |
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/** @var \Surfnet\StepupGateway\GatewayBundle\Saml\Proxy\ProxyStateHandler $stateHandler */ |
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$stateHandler = $this->get('gateway.proxy.state_handler'); |
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$stateHandler |
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->setRequestId($originalRequestId) |
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->setRequestServiceProvider($originalRequest->getServiceProvider()) |
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->setRelayState($httpRequest->get(AuthnRequest::PARAMETER_RELAY_STATE, '')); |
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// check if the requested Loa is supported |
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$requiredLoa = $originalRequest->getAuthenticationContextClassRef(); |
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if ($requiredLoa && !$this->get('surfnet_stepup.service.loa_resolution')->hasLoa($requiredLoa)) { |
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$logger->info(sprintf( |
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'Requested required Loa "%s" does not exist, sending response with status Requester Error', |
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$requiredLoa |
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)); |
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} |
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$stateHandler->setRequiredLoaIdentifier($requiredLoa); |
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$proxyRequest = AuthnRequestFactory::createNewRequest( |
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$this->get('surfnet_saml.hosted.service_provider'), |
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$this->get('surfnet_saml.remote.idp') |
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); |
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$proxyRequest->setScoping([$originalRequest->getServiceProvider()]); |
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$stateHandler->setGatewayRequestId($proxyRequest->getRequestId()); |
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$logger->notice(sprintf( |
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'Sending Proxy AuthnRequest with request ID: "%s" for original AuthnRequest "%s"', |
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$proxyRequest->getRequestId(), |
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$originalRequest->getRequestId() |
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)); |
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return $redirectBinding->createRedirectResponseFor($proxyRequest); |
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} |
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public function proxySsoAction() |
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{ |
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throw new HttpException(418, 'Not Yet Implemented'); |
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} |
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/** |
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* @param Request $request |
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* @return \Symfony\Component\HttpFoundation\Response |
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*/ |
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public function consumeAssertionAction(Request $request) |
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{ |
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$responseContext = $this->getResponseContext(); |
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$originalRequestId = $responseContext->getInResponseTo(); |
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/** @var \Surfnet\SamlBundle\Monolog\SamlAuthenticationLogger $logger */ |
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$logger = $this->get('surfnet_saml.logger')->forAuthentication($originalRequestId); |
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$logger->notice('Received SAMLResponse, attempting to process for Proxy Response'); |
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try { |
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/** @var \SAML2_Assertion $assertion */ |
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$assertion = $this->get('surfnet_saml.http.post_binding')->processResponse( |
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$request, |
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$this->get('surfnet_saml.remote.idp'), |
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$this->get('surfnet_saml.hosted.service_provider') |
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); |
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} catch (Exception $exception) { |
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$logger->error(sprintf('Could not process received Response, error: "%s"', $exception->getMessage())); |
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$response = $this->createResponseFailureResponse($responseContext); |
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return $this->renderSamlResponse('unprocessableResponse', $response); |
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} |
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$adaptedAssertion = new AssertionAdapter($assertion); |
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$expectedInResponseTo = $responseContext->getExpectedInResponseTo(); |
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View Code Duplication |
if (!$adaptedAssertion->inResponseToMatches($expectedInResponseTo)) { |
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$logger->critical(sprintf( |
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'Received Response with unexpected InResponseTo: "%s", %s', |
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$adaptedAssertion->getInResponseTo(), |
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($expectedInResponseTo ? 'expected "' . $expectedInResponseTo . '"' : ' no response expected') |
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)); |
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return $this->render('unrecoverableError'); |
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} |
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$logger->notice('Successfully processed SAMLResponse'); |
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$responseContext->saveAssertion($assertion); |
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$logger->notice(sprintf('Forwarding to second factor controller for loa determination and handling')); |
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return $this->forward('SurfnetStepupGatewayGatewayBundle:SecondFactor:selectSecondFactorForVerification'); |
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} |
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public function respondAction() |
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{ |
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$responseContext = $this->getResponseContext(); |
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$originalRequestId = $responseContext->getInResponseTo(); |
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/** @var \Surfnet\SamlBundle\Monolog\SamlAuthenticationLogger $logger */ |
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$logger = $this->get('surfnet_saml.logger')->forAuthentication($originalRequestId); |
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$logger->notice('Creating Response'); |
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$grantedLoa = null; |
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if ($responseContext->isSecondFactorVerified()) { |
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$secondFactor = $this->get('gateway.service.second_factor_service')->findByUuid( |
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$responseContext->getSelectedSecondFactor() |
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); |
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$grantedLoa = $this->get('surfnet_stepup.service.loa_resolution')->getLoaByLevel( |
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$secondFactor->getLoaLevel() |
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); |
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} |
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/** @var \Surfnet\StepupGateway\GatewayBundle\Service\ProxyResponseService $proxyResponseService */ |
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$proxyResponseService = $this->get('gateway.service.response_proxy'); |
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$response = $proxyResponseService->createProxyResponse( |
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$responseContext->reconstituteAssertion(), |
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$responseContext->getServiceProvider(), |
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(string) $grantedLoa |
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); |
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$responseContext->responseSent(); |
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$logger->notice(sprintf( |
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'Responding to request "%s" with response based on response from the remote IdP with response "%s"', |
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$responseContext->getInResponseTo(), |
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$response->getId() |
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)); |
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return $this->renderSamlResponse('consumeAssertion', $response); |
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} |
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View Code Duplication |
public function sendLoaCannotBeGivenAction() |
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{ |
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$responseContext = $this->getResponseContext(); |
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$originalRequestId = $responseContext->getInResponseTo(); |
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/** @var \Surfnet\SamlBundle\Monolog\SamlAuthenticationLogger $logger */ |
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$logger = $this->get('surfnet_saml.logger')->forAuthentication($originalRequestId); |
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$logger->notice('Loa cannot be given, creating Response with NoAuthnContext status'); |
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/** @var \Surfnet\StepupGateway\GatewayBundle\Saml\ResponseBuilder $responseBuilder */ |
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$responseBuilder = $this->get('gateway.proxy.response_builder'); |
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$response = $responseBuilder |
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->createNewResponse($responseContext) |
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->setResponseStatus(SAML2_Const::STATUS_RESPONDER, SAML2_Const::STATUS_NO_AUTHN_CONTEXT) |
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->get(); |
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$logger->notice(sprintf( |
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'Responding to request "%s" with response based on response from the remote IdP with response "%s"', |
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$responseContext->getInResponseTo(), |
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$response->getId() |
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)); |
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return $this->renderSamlResponse('consumeAssertion', $response); |
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} |
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View Code Duplication |
public function sendAuthenticationCancelledByUserAction() |
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{ |
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$responseContext = $this->getResponseContext(); |
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$originalRequestId = $responseContext->getInResponseTo(); |
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/** @var \Surfnet\SamlBundle\Monolog\SamlAuthenticationLogger $logger */ |
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$logger = $this->get('surfnet_saml.logger')->forAuthentication($originalRequestId); |
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$logger->notice('Authentication was cancelled by the user, creating Response with AuthnFailed status'); |
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/** @var \Surfnet\StepupGateway\GatewayBundle\Saml\ResponseBuilder $responseBuilder */ |
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$responseBuilder = $this->get('gateway.proxy.response_builder'); |
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$response = $responseBuilder |
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->createNewResponse($responseContext) |
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->setResponseStatus( |
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SAML2_Const::STATUS_RESPONDER, |
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SAML2_Const::STATUS_AUTHN_FAILED, |
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'Authentication cancelled by user' |
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) |
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->get(); |
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$logger->notice(sprintf( |
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'Responding to request "%s" with response based on response from the remote IdP with response "%s"', |
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$responseContext->getInResponseTo(), |
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$response->getId() |
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)); |
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return $this->renderSamlResponse('consumeAssertion', $response); |
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} |
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/** |
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* @param string $view |
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* @param SAML2_Response $response |
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* @return Response |
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*/ |
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View Code Duplication |
public function renderSamlResponse($view, SAML2_Response $response) |
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{ |
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$responseContext = $this->getResponseContext(); |
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return $this->render($view, [ |
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'acu' => $responseContext->getDestination(), |
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'response' => $this->getResponseAsXML($response), |
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'relayState' => $responseContext->getRelayState() |
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]); |
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} |
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/** |
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* @param string $view |
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* @param array $parameters |
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* @param Response $response |
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* @return Response |
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*/ |
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public function render($view, array $parameters = array(), Response $response = null) |
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{ |
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return parent::render( |
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'SurfnetStepupGatewayGatewayBundle:Gateway:' . $view . '.html.twig', |
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$parameters, |
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$response |
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); |
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} |
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/** |
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* @return \Surfnet\StepupGateway\GatewayBundle\Saml\ResponseContext |
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*/ |
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public function getResponseContext() |
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{ |
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return $this->get('gateway.proxy.response_context'); |
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} |
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/** |
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* @param SAML2_Response $response |
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* @return string |
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*/ |
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private function getResponseAsXML(SAML2_Response $response) |
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{ |
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return base64_encode($response->toUnsignedXML()->ownerDocument->saveXML()); |
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} |
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/** |
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* @return SAML2_Response |
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*/ |
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private function createRequesterFailureResponse() |
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{ |
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/** @var \Surfnet\StepupGateway\GatewayBundle\Saml\ResponseBuilder $responseBuilder */ |
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$responseBuilder = $this->get('gateway.proxy.response_builder'); |
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$context = $this->getResponseContext(); |
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$response = $responseBuilder |
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->createNewResponse($context) |
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->setResponseStatus(SAML2_Const::STATUS_REQUESTER, SAML2_Const::STATUS_REQUEST_UNSUPPORTED) |
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->get(); |
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return $response; |
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} |
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/** |
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* @param $context |
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* @return SAML2_Response |
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*/ |
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private function createResponseFailureResponse($context) |
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{ |
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/** @var \Surfnet\StepupGateway\GatewayBundle\Saml\ResponseBuilder $responseBuilder */ |
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$responseBuilder = $this->get('gateway.proxy.response_builder'); |
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$response = $responseBuilder |
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->createNewResponse($context) |
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->setResponseStatus(SAML2_Const::STATUS_RESPONDER) |
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->get(); |
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return $response; |
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} |
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} |
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This check looks for calls to methods that do not seem to exist on a given type. It looks for the method on the type itself as well as in inherited classes or implemented interfaces.
This is most likely a typographical error or the method has been renamed.