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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\StepupSelfService\SelfServiceBundle\Controller\Registration; |
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use Exception; |
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use Surfnet\SamlBundle\Http\XMLResponse; |
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use Surfnet\SamlBundle\SAML2\AuthnRequestFactory; |
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use Surfnet\SamlBundle\SAML2\Response\Assertion\InResponseTo; |
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use Surfnet\StepupSelfService\SamlStepupProviderBundle\Provider\ViewConfig; |
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use Surfnet\StepupSelfService\SelfServiceBundle\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\NotFoundHttpException; |
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/** |
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* Controls registration with Generic SAML Stepup Providers (GSSPs), yielding Generic SAML Second Factors (GSSFs). |
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*/ |
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final class GssfController extends Controller |
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{ |
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/** |
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* @param string $provider |
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* @return array|Response |
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*/ |
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public function initiateAction($provider) |
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{ |
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$this->assertSecondFactorEnabled($provider); |
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return $this->renderInitiateForm($provider, []); |
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} |
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/** |
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* @param string $provider |
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* @return array|Response |
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*/ |
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public function authenticateAction($provider) |
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{ |
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$this->assertSecondFactorEnabled($provider); |
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$provider = $this->getProvider($provider); |
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$authnRequest = AuthnRequestFactory::createNewRequest( |
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$provider->getServiceProvider(), |
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$provider->getRemoteIdentityProvider() |
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); |
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$stateHandler = $provider->getStateHandler(); |
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$stateHandler->setRequestId($authnRequest->getRequestId()); |
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/** @var \Surfnet\SamlBundle\Http\RedirectBinding $redirectBinding */ |
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$redirectBinding = $this->get('surfnet_saml.http.redirect_binding'); |
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$this->getLogger()->notice(sprintf( |
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'Sending AuthnRequest with request ID: "%s" to GSSP "%s" at "%s"', |
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$authnRequest->getRequestId(), |
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$provider->getName(), |
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$provider->getRemoteIdentityProvider()->getSsoUrl() |
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)); |
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return $redirectBinding->createRedirectResponseFor($authnRequest); |
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} |
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/** |
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* @param Request $httpRequest |
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* @param string $provider |
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* @return array|Response |
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*/ |
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public function consumeAssertionAction(Request $httpRequest, $provider) |
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{ |
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$this->assertSecondFactorEnabled($provider); |
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$provider = $this->getProvider($provider); |
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$this->get('logger')->notice( |
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sprintf('Received GSSP "%s" SAMLResponse through Gateway, attempting to process', $provider->getName()) |
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); |
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try { |
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/** @var \Surfnet\SamlBundle\Http\PostBinding $postBinding */ |
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$postBinding = $this->get('surfnet_saml.http.post_binding'); |
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$assertion = $postBinding->processResponse( |
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$httpRequest, |
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$provider->getRemoteIdentityProvider(), |
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$provider->getServiceProvider() |
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); |
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} catch (Exception $exception) { |
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$provider->getStateHandler()->clear(); |
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$this->getLogger()->error( |
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sprintf('Could not process received Response, error: "%s"', $exception->getMessage()) |
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); |
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return $this->renderInitiateForm( |
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$provider->getName(), |
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['authenticationFailed' => true] |
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); |
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} |
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$expectedResponseTo = $provider->getStateHandler()->getRequestId(); |
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$provider->getStateHandler()->clear(); |
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if (!InResponseTo::assertEquals($assertion, $expectedResponseTo)) { |
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$this->getLogger()->critical(sprintf( |
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'Received Response with unexpected InResponseTo, %s', |
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($expectedResponseTo ? 'expected "' . $expectedResponseTo . '"' : ' no response expected') |
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)); |
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return $this->renderInitiateForm( |
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$provider->getName(), |
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['authenticationFailed' => true] |
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); |
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} |
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$this->get('logger')->notice( |
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sprintf('Processed GSSP "%s" SAMLResponse received through Gateway successfully', $provider->getName()) |
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); |
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/** @var \Surfnet\StepupSelfService\SelfServiceBundle\Service\GssfService $service */ |
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$service = $this->get('surfnet_stepup_self_service_self_service.service.gssf'); |
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/** @var \Surfnet\SamlBundle\SAML2\Attribute\AttributeDictionary $attributeDictionary */ |
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$attributeDictionary = $this->get('surfnet_saml.saml.attribute_dictionary'); |
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$gssfId = $attributeDictionary->translate($assertion)->getNameID(); |
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$secondFactorId = $service->provePossession($this->getIdentity()->id, $provider->getName(), $gssfId); |
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if ($secondFactorId) { |
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$this->getLogger()->notice('GSSF possession has been proven successfully'); |
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return $this->redirectToRoute( |
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'ss_registration_email_verification_email_sent', |
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['secondFactorId' => $secondFactorId] |
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); |
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} |
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$this->getLogger()->error('Unable to prove GSSF possession'); |
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return $this->renderInitiateForm( |
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$provider->getName(), |
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['proofOfPossessionFailed' => true] |
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); |
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} |
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/** |
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* @param string $provider |
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* @return \Symfony\Component\HttpFoundation\Response |
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*/ |
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public function metadataAction($provider) |
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{ |
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$this->assertSecondFactorEnabled($provider); |
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$provider = $this->getProvider($provider); |
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/** @var \Surfnet\SamlBundle\Metadata\MetadataFactory $factory */ |
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$factory = $this->get('gssp.provider.' . $provider->getName() . '.metadata.factory'); |
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return new XMLResponse($factory->generate()); |
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} |
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/** |
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* @param string $provider |
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* @return \Surfnet\StepupSelfService\SamlStepupProviderBundle\Provider\Provider |
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* @throws \Symfony\Component\HttpKernel\Exception\NotFoundHttpException |
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*/ |
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private function getProvider($provider) |
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{ |
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/** @var \Surfnet\StepupSelfService\SamlStepupProviderBundle\Provider\ProviderRepository $providerRepository */ |
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$providerRepository = $this->get('gssp.provider_repository'); |
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if (!$providerRepository->has($provider)) { |
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$this->get('logger')->info(sprintf('Requested GSSP "%s" does not exist or is not registered', $provider)); |
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throw new NotFoundHttpException('Requested provider does not exist'); |
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} |
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return $providerRepository->get($provider); |
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} |
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/** |
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* @return \Psr\Log\LoggerInterface |
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*/ |
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private function getLogger() |
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{ |
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return $this->get('logger'); |
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} |
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/** |
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* @param string $provider |
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* @param array $parameters |
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* @return Response |
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*/ |
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private function renderInitiateForm($provider, array $parameters = []) |
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{ |
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/** @var ViewConfig $secondFactorConfig */ |
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$secondFactorConfig = $this->get("gssp.view_config.{$provider}"); |
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$form = $this->createForm( |
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'ss_initiate_gssf', |
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null, |
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[ |
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'provider' => $provider, |
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/** @Ignore from translation message extraction */ |
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'label' => $secondFactorConfig->getInitiateButton() |
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] |
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); |
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/** @var ViewConfig $secondFactorConfig */ |
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$templateParameters = array_merge( |
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$parameters, |
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['form' => $form->createView(), 'provider' => $provider, 'secondFactorConfig' => $secondFactorConfig] |
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); |
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return $this->render( |
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'SurfnetStepupSelfServiceSelfServiceBundle:Registration/Gssf:initiate.html.twig', |
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$templateParameters |
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); |
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} |
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} |
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It is generally a best practice as it is often more readable to use concatenation instead of interpolation for variables inside strings.