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<?php |
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/* |
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* This file is part of the LightSAML-IDP 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 GPL-3 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\Idp\Action\Profile\Inbound\AuthnRequest; |
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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\Error\LightSamlValidationException; |
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class ACSUrlValidatorAction extends AbstractProfileAction |
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{ |
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/** |
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* @param ProfileContext $context |
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* |
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* @return void |
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*/ |
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protected function doExecute(ProfileContext $context) |
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{ |
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$authnRequest = MessageContextHelper::asAuthnRequest($context->getInboundContext()); |
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if (false == $authnRequest->getAssertionConsumerServiceURL()) { |
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return; |
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} |
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$spEntityDescriptor = $context->getPartyEntityDescriptor(); |
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foreach ($spEntityDescriptor->getAllSpSsoDescriptors() as $sp) { |
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if ($sp->getAllAssertionConsumerServicesByUrl($authnRequest->getAssertionConsumerServiceURL())) { |
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$this->logger->debug( |
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sprintf( |
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'AuthnRequest has assertion consumer url "%s" that belongs to entity "%s"', |
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$authnRequest->getAssertionConsumerServiceURL(), |
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$spEntityDescriptor->getEntityID() |
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), |
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LogHelper::getActionContext($context, $this) |
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); |
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return; |
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} |
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} |
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$message = sprintf( |
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"Invalid ACS Url '%s' for '%s' entity", |
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$authnRequest->getAssertionConsumerServiceURL(), |
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$spEntityDescriptor->getEntityID() |
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); |
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$this->logger->emergency($message, LogHelper::getActionErrorContext($context, $this)); |
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throw new LightSamlValidationException($message); |
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} |
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} |
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Unless you are absolutely sure that the expression can never be null because of other conditions, we strongly recommend to add an additional type check to your code: