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<?php |
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namespace SAML2\Assertion; |
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use Psr\Log\LoggerInterface; |
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use SAML2\Assertion\Transformer\DecodeBase64Transformer; |
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use SAML2\Assertion\Transformer\NameIdDecryptionTransformer; |
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use SAML2\Assertion\Transformer\TransformerChain; |
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use SAML2\Assertion\Validation\AssertionValidator; |
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use SAML2\Assertion\Validation\ConstraintValidator\NotBefore; |
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use SAML2\Assertion\Validation\ConstraintValidator\NotOnOrAfter; |
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use SAML2\Assertion\Validation\ConstraintValidator\SessionNotOnOrAfter; |
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use SAML2\Assertion\Validation\ConstraintValidator\SpIsValidAudience; |
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use SAML2\Assertion\Validation\ConstraintValidator\SubjectConfirmationMethod; |
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use SAML2\Assertion\Validation\ConstraintValidator\SubjectConfirmationNotBefore; |
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use SAML2\Assertion\Validation\ConstraintValidator\SubjectConfirmationNotOnOrAfter; |
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use SAML2\Assertion\Validation\ConstraintValidator\SubjectConfirmationRecipientMatches; |
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use SAML2\Assertion\Validation\ConstraintValidator\SubjectConfirmationResponseToMatches; |
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use SAML2\Assertion\Validation\SubjectConfirmationValidator; |
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use SAML2\Certificate\PrivateKeyLoader; |
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use SAML2\Configuration\Destination; |
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use SAML2\Configuration\IdentityProvider; |
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use SAML2\Configuration\ServiceProvider; |
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use SAML2\Response; |
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use SAML2\Signature\Validator; |
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/** |
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* Simple Builder that allows to build a new Assertion Processor. |
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* |
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* This is an excellent candidate for refactoring towards dependency injection |
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* |
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* @SuppressWarnings(PHPMD.CouplingBetweenObjects) |
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*/ |
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class ProcessorBuilder |
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{ |
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public static function build( |
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LoggerInterface $logger, |
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Validator $signatureValidator, |
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Destination $currentDestination, |
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IdentityProvider $identityProvider, |
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ServiceProvider $serviceProvider, |
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Response $response |
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) { |
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$keyloader = new PrivateKeyLoader(); |
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$decrypter = new Decrypter($logger, $identityProvider, $serviceProvider, $keyloader); |
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$assertionValidator = self::createAssertionValidator($identityProvider, $serviceProvider); |
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$subjectConfirmationValidator = self::createSubjectConfirmationValidator( |
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$identityProvider, |
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$serviceProvider, |
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$currentDestination, |
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$response |
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); |
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$transformerChain = self::createAssertionTransformerChain( |
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$logger, |
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$keyloader, |
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$identityProvider, |
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$serviceProvider |
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); |
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return new Processor( |
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$decrypter, |
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$signatureValidator, |
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$assertionValidator, |
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$subjectConfirmationValidator, |
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$transformerChain, |
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$identityProvider, |
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$logger |
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); |
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} |
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private static function createAssertionValidator( |
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IdentityProvider $identityProvider, |
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ServiceProvider $serviceProvider |
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) { |
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$validator = new AssertionValidator($identityProvider, $serviceProvider); |
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$validator->addConstraintValidator(new NotBefore()); |
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$validator->addConstraintValidator(new NotOnOrAfter()); |
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$validator->addConstraintValidator(new SessionNotOnOrAfter()); |
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$validator->addConstraintValidator(new SpIsValidAudience()); |
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return $validator; |
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} |
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private static function createSubjectConfirmationValidator( |
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IdentityProvider $identityProvider, |
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ServiceProvider $serviceProvider, |
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Destination $currentDestination, |
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Response $response |
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) { |
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$validator = new SubjectConfirmationValidator($identityProvider, $serviceProvider); |
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$validator->addConstraintValidator( |
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new SubjectConfirmationMethod() |
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); |
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$validator->addConstraintValidator( |
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new SubjectConfirmationNotBefore() |
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); |
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$validator->addConstraintValidator( |
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new SubjectConfirmationNotOnOrAfter() |
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); |
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$validator->addConstraintValidator( |
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new SubjectConfirmationRecipientMatches( |
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$currentDestination |
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) |
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); |
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$validator->addConstraintValidator( |
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new SubjectConfirmationResponseToMatches( |
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$response |
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) |
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); |
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return $validator; |
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} |
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private static function createAssertionTransformerChain( |
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LoggerInterface $logger, |
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PrivateKeyLoader $keyloader, |
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IdentityProvider $identityProvider, |
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ServiceProvider $serviceProvider |
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) { |
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$chain = new TransformerChain($identityProvider, $serviceProvider); |
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$chain->addTransformerStep(new DecodeBase64Transformer()); |
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$chain->addTransformerStep( |
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new NameIdDecryptionTransformer($logger, $keyloader) |
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); |
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return $chain; |
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} |
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} |
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simplesamlphp /
saml2
