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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\SecondFactorOnlyBundle\Service; |
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use Psr\Log\LoggerInterface; |
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use Surfnet\StepupBundle\Service\LoaResolutionService; |
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final class AuthnContextClassRefValidationService |
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{ |
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/** |
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* @var LoggerInterface |
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*/ |
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private $logger; |
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/** |
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* @var LoaAliasLookupService |
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*/ |
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private $loaAliasLookup; |
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/** |
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* @var LoaResolutionService |
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*/ |
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private $loaResolution; |
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public function __construct( |
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LoggerInterface $logger, |
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LoaAliasLookupService $loaAliasLookup, |
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LoaResolutionService $loaResolution |
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) { |
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$this->logger = $logger; |
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$this->loaAliasLookup = $loaAliasLookup; |
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$this->loaResolution = $loaResolution; |
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} |
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/** |
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* @param LoggerInterface $logger |
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* @return $this |
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*/ |
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public function with(LoggerInterface $logger) |
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{ |
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$this->logger = $logger; |
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return $this; |
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} |
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/** |
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* Validate that a given ACCR was provided and has a valid LOA alias. |
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* |
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* Returns the LOA id. |
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* |
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* @param string $authnContextClassRef |
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* AuthnContextClassRef provided in AuthnRequest. |
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* |
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* @return string |
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* LOA Id |
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*/ |
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public function validate($authnContextClassRef) { |
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if (empty($authnContextClassRef)) { |
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$this->logger->info( 'No LOA requested, sending response with status Requester Error'); |
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return ''; |
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} |
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$loaId = $this->loaAliasLookup->findLoaIdByAlias($authnContextClassRef); |
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if (!$loaId) { |
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$this->logger->info(sprintf( |
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'Requested required Loa "%s" does not have a second factor alias', |
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$authnContextClassRef |
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)); |
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return ''; |
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} |
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if (!$this->loaResolution->hasLoa($loaId)) { |
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$this->logger->info(sprintf( |
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'Requested required Loa "%s" does not exist', |
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$authnContextClassRef |
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)); |
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return ''; |
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} |
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return $loaId; |
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} |
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} |
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