70 lines
2.4 KiB
PHP
70 lines
2.4 KiB
PHP
<?php
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/**
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* The ArtifactResolutionService receives the samlart from the sp.
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* And when the artifact is found, it sends a \SAML2\ArtifactResponse.
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*
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* @author Danny Bollaert, UGent AS. <danny.bollaert@ugent.be>
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* @package SimpleSAMLphp
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*/
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require_once('../../_include.php');
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$config = \SimpleSAML\Configuration::getInstance();
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if (!$config->getBoolean('enable.saml20-idp', false)) {
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throw new \SimpleSAML\Error\Error('NOACCESS');
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}
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$metadata = \SimpleSAML\Metadata\MetaDataStorageHandler::getMetadataHandler();
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$idpEntityId = $metadata->getMetaDataCurrentEntityID('saml20-idp-hosted');
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$idpMetadata = $metadata->getMetaDataConfig($idpEntityId, 'saml20-idp-hosted');
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if (!$idpMetadata->getBoolean('saml20.sendartifact', false)) {
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throw new \SimpleSAML\Error\Error('NOACCESS');
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}
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$store = \SimpleSAML\Store::getInstance();
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if ($store === false) {
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throw new Exception('Unable to send artifact without a datastore configured.');
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}
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$binding = new \SAML2\SOAP();
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try {
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$request = $binding->receive();
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} catch (Exception $e) {
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// TODO: look for a specific exception
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// This is dirty. Instead of checking the message of the exception, \SAML2\Binding::getCurrentBinding() should throw
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// an specific exception when the binding is unknown, and we should capture that here. Also note that the exception
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// message here is bogus!
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if ($e->getMessage() === 'Invalid message received to AssertionConsumerService endpoint.') {
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throw new \SimpleSAML\Error\Error('ARSPARAMS', $e, 400);
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} else {
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throw $e; // do not ignore other exceptions!
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}
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}
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if (!($request instanceof \SAML2\ArtifactResolve)) {
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throw new Exception('Message received on ArtifactResolutionService wasn\'t a ArtifactResolve request.');
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}
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$issuer = $request->getIssuer();
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$spMetadata = $metadata->getMetaDataConfig($issuer, 'saml20-sp-remote');
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$artifact = $request->getArtifact();
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$responseData = $store->get('artifact', $artifact);
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$store->delete('artifact', $artifact);
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if ($responseData !== null) {
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$document = \SAML2\DOMDocumentFactory::fromString($responseData);
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$responseXML = $document->firstChild;
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} else {
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$responseXML = null;
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}
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$artifactResponse = new \SAML2\ArtifactResponse();
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$artifactResponse->setIssuer($idpEntityId);
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$artifactResponse->setInResponseTo($request->getId());
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$artifactResponse->setAny($responseXML);
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\SimpleSAML\Module\saml\Message::addSign($idpMetadata, $spMetadata, $artifactResponse);
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$binding->send($artifactResponse);
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