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<?php |
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/* |
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* This file is part of the LightSAML-Core package. |
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* |
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* (c) Milos Tomic <[email protected]> |
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* |
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* This source file is subject to the MIT license that is bundled |
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* with this source code in the file LICENSE. |
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*/ |
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namespace LightSaml\Action\Profile\Inbound\Message; |
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use LightSaml\Action\Profile\AbstractProfileAction; |
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use LightSaml\Context\Profile\Helper\LogHelper; |
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use LightSaml\Context\Profile\Helper\MessageContextHelper; |
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use LightSaml\Context\Profile\ProfileContext; |
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use LightSaml\Credential\Criteria\MetadataCriteria; |
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use LightSaml\Error\LightSamlModelException; |
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use LightSaml\Model\XmlDSig\AbstractSignatureReader; |
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use LightSaml\Validator\Model\Signature\SignatureValidatorInterface; |
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use Psr\Log\LoggerInterface; |
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/** |
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* Validates the signature, if any, of the inbound message. |
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*/ |
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class MessageSignatureValidatorAction extends AbstractProfileAction |
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{ |
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/** @var SignatureValidatorInterface */ |
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protected $signatureValidator; |
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public function __construct(LoggerInterface $logger, SignatureValidatorInterface $signatureValidator) |
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{ |
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parent::__construct($logger); |
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$this->signatureValidator = $signatureValidator; |
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} |
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/** |
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* @return void |
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*/ |
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protected function doExecute(ProfileContext $context) |
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{ |
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$message = MessageContextHelper::asSamlMessage($context->getInboundContext()); |
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$signature = $message->getSignature(); |
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if (null === $signature) { |
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$this->logger->debug('Message is not signed', LogHelper::getActionContext($context, $this)); |
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return; |
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} |
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if ($signature instanceof AbstractSignatureReader) { |
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$metadataType = ProfileContext::ROLE_IDP === $context->getOwnRole() ? MetadataCriteria::TYPE_SP : MetadataCriteria::TYPE_IDP; |
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$credential = $this->signatureValidator->validate($signature, $message->getIssuer()->getValue(), $metadataType); |
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if ($credential) { |
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$keyNames = $credential->getKeyNames(); |
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$this->logger->debug( |
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sprintf('Message signature validated with key "%s"', implode(', ', $keyNames)), |
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LogHelper::getActionContext($context, $this, [ |
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'credential' => $credential, |
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]) |
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); |
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} else { |
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$this->logger->warning( |
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'Signature verification was not performed', |
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LogHelper::getActionContext($context, $this) |
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); |
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} |
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} else { |
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$message = 'Expected AbstractSignatureReader'; |
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$this->logger->critical($message, LogHelper::getActionErrorContext($context, $this)); |
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throw new LightSamlModelException($message); |
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} |
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} |
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} |
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lightsaml2 /
lightSAML
