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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\Security\Authentication\Provider; |
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use Psr\Log\LoggerInterface; |
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use Surfnet\SamlBundle\SAML2\Attribute\AttributeDictionary; |
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use Surfnet\SamlBundle\SAML2\Response\AssertionAdapter; |
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use Surfnet\StepupMiddlewareClientBundle\Identity\Dto\Identity; |
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use Surfnet\StepupMiddlewareClientBundle\Uuid\Uuid; |
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use Surfnet\StepupSelfService\SelfServiceBundle\Locale\PreferredLocaleProvider; |
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use Surfnet\StepupSelfService\SelfServiceBundle\Security\Authentication\Token\SamlToken; |
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use Surfnet\StepupSelfService\SelfServiceBundle\Service\IdentityService; |
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use Symfony\Component\Security\Core\Authentication\Provider\AuthenticationProviderInterface; |
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use Symfony\Component\Security\Core\Authentication\Token\TokenInterface; |
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use Symfony\Component\Security\Core\Exception\BadCredentialsException; |
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class SamlProvider implements AuthenticationProviderInterface |
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{ |
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/** |
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* @var \Surfnet\StepupSelfService\SelfServiceBundle\Service\IdentityService |
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*/ |
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private $identityService; |
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/** |
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* @var \Surfnet\SamlBundle\SAML2\Attribute\AttributeDictionary |
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*/ |
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private $attributeDictionary; |
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/** |
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* @var \Surfnet\StepupSelfService\SelfServiceBundle\Locale\PreferredLocaleProvider |
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*/ |
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private $preferredLocaleProvider; |
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/** |
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* @var \Psr\Log\LoggerInterface |
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*/ |
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private $logger; |
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public function __construct( |
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IdentityService $identityService, |
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AttributeDictionary $attributeDictionary, |
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PreferredLocaleProvider $preferredLocaleProvider, |
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LoggerInterface $logger |
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) { |
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$this->identityService = $identityService; |
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$this->attributeDictionary = $attributeDictionary; |
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$this->preferredLocaleProvider = $preferredLocaleProvider; |
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$this->logger = $logger; |
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} |
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/** |
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* @param SamlToken $token |
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* @return TokenInterface|void |
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*/ |
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public function authenticate(TokenInterface $token) |
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{ |
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$translatedAssertion = $this->attributeDictionary->translate($token->assertion); |
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$nameId = $translatedAssertion->getNameID(); |
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$institution = $this->getSingleStringValue('schacHomeOrganization', $translatedAssertion); |
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$email = $this->getSingleStringValue('mail', $translatedAssertion); |
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$commonName = $this->getSingleStringValue('commonName', $translatedAssertion); |
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$identity = $this->identityService->findByNameIdAndInstitution($nameId, $institution); |
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if ($identity === null) { |
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$identity = new Identity(); |
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$identity->id = Uuid::generate(); |
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$identity->nameId = $nameId; |
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$identity->institution = $institution; |
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$identity->email = $email; |
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$identity->commonName = $commonName; |
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$identity->preferredLocale = $this->preferredLocaleProvider->providePreferredLocale(); |
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$this->identityService->createIdentity($identity); |
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} elseif ($identity->email !== $email || $identity->commonName !== $commonName) { |
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$identity->email = $email; |
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$identity->commonName = $commonName; |
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$this->identityService->updateIdentity($identity); |
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} |
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$authenticatedToken = new SamlToken(['ROLE_USER']); |
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$authenticatedToken->setUser($identity); |
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return $authenticatedToken; |
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} |
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public function supports(TokenInterface $token) |
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{ |
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return $token instanceof SamlToken; |
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} |
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/** |
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* @param string $attribute |
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* @param AssertionAdapter $translatedAssertion |
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* @return string |
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*/ |
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private function getSingleStringValue($attribute, AssertionAdapter $translatedAssertion) |
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{ |
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$values = $translatedAssertion->getAttributeValue($attribute); |
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if (empty($values)) { |
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throw new BadCredentialsException(sprintf('Missing value for required attribute "%s"', $attribute)); |
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} |
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// see https://www.pivotaltracker.com/story/show/121296389 |
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if (count($values) > 1) { |
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$this->logger->warning(sprintf( |
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'Found "%d" values for attribute "%s", using first value', |
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count($values), |
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$attribute |
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)); |
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} |
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$value = reset($values); |
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if (!is_string($value)) { |
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$message = sprintf( |
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'First value of attribute "%s" must be a string, "%s" given', |
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$attribute, |
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is_object($value) ? get_class($value) : gettype($value) |
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); |
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$this->logger->warning($message); |
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throw new BadCredentialsException($message); |
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} |
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return $value; |
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} |
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} |
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OpenConext /
Stepup-SelfService
Loading history...
This check looks for
@paramannotations where the type inferred by our type inference engine differs from the declared type.It makes a suggestion as to what type it considers more descriptive.
Most often this is a case of a parameter that can be null in addition to its declared types.