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<?php |
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/** |
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* Copyright 2018 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\Service\Gateway; |
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use Exception; |
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use Surfnet\SamlBundle\Entity\IdentityProvider; |
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use Surfnet\SamlBundle\Entity\ServiceProvider; |
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use Surfnet\SamlBundle\Http\PostBinding; |
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use Surfnet\SamlBundle\Monolog\SamlAuthenticationLogger; |
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use Surfnet\StepupGateway\GatewayBundle\Exception\ResponseFailureException; |
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use Surfnet\StepupGateway\GatewayBundle\Saml\AssertionAdapter; |
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use Surfnet\StepupGateway\GatewayBundle\Saml\Exception\UnknownInResponseToException; |
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use Surfnet\StepupGateway\GatewayBundle\Saml\ResponseContext; |
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use Symfony\Component\HttpFoundation\Request; |
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/** |
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* Entry point for the Stepup login flow. |
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* |
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* See docs/GatewayState.md for a high-level diagram on how this controller |
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* interacts with outside actors and other parts of Stepup. |
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*/ |
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class ConsumeAssertionService |
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{ |
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const RESPONSE_CONTEXT_SERVICE_ID = 'gateway.proxy.response_context'; |
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/** @var PostBinding */ |
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private $postBinding; |
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/** @var SamlAuthenticationLogger */ |
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private $samlLogger; |
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/** @var ServiceProvider */ |
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private $hostedServiceProvider; |
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/** @var IdentityProvider */ |
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private $remoteIdp; |
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/** |
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* GatewayServiceProviderService constructor. |
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* @param PostBinding $postBinding |
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* @param SamlAuthenticationLogger $samlLogger |
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* @param ServiceProvider $hostedServiceProvider |
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* @param IdentityProvider $remoteIdp |
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*/ |
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public function __construct( |
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PostBinding $postBinding, |
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SamlAuthenticationLogger $samlLogger, |
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ServiceProvider $hostedServiceProvider, |
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IdentityProvider $remoteIdp |
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) { |
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$this->postBinding = $postBinding; |
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$this->samlLogger = $samlLogger; |
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$this->hostedServiceProvider = $hostedServiceProvider; |
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$this->remoteIdp = $remoteIdp; |
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} |
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/** |
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* Receive an AuthnResponse from an identity provider. |
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* |
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* The AuthnRequest started in ssoAction() resulted in an AuthnResponse |
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* from the IDP. This method handles the assertion and forwards the user |
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* using an internal redirect to the SecondFactorController to start the |
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* actual second factor verification. |
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* |
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* @param Request $request |
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* @param ResponseContext $responseContext |
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* @return void |
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*/ |
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public function consumeAssertion(Request $request, ResponseContext $responseContext) |
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{ |
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$originalRequestId = $responseContext->getInResponseTo(); |
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$logger = $this->samlLogger->forAuthentication($originalRequestId); |
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$logger->notice('Received SAMLResponse, attempting to process for Proxy Response'); |
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try { |
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$assertion = $this->postBinding->processResponse( |
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$request, |
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$this->remoteIdp, |
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$this->hostedServiceProvider |
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); |
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} catch (Exception $exception) { |
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$message = sprintf('Could not process received Response, error: "%s"', $exception->getMessage()); |
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$logger->error($message); |
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throw new ResponseFailureException($message); |
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} |
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$adaptedAssertion = new AssertionAdapter($assertion); |
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$expectedInResponseTo = $responseContext->getExpectedInResponseTo(); |
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if (!$adaptedAssertion->inResponseToMatches($expectedInResponseTo)) { |
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throw new UnknownInResponseToException( |
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$adaptedAssertion->getInResponseTo(), |
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$expectedInResponseTo |
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); |
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} |
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$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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} |
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} |
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OpenConext /
Stepup-Gateway
