/**
* @param SAML2_AuthnRequest|EngineBlock_Saml2_AuthnRequestAnnotationDecorator $request
* @param SAML2_Response|EngineBlock_Saml2_ResponseAnnotationDecorator $sourceResponse
*/
public function createEnhancedResponse(EngineBlock_Saml2_AuthnRequestAnnotationDecorator $request, EngineBlock_Saml2_ResponseAnnotationDecorator $sourceResponse)
{
$newResponse = $this->_createBaseResponse($request);
// We don't support multiple assertions, only use the first one.
$sourceAssertions = $sourceResponse->getAssertions();
$sourceAssertion = $sourceAssertions[0];
// Store the Origin response and issuer (from the IdP)
$newResponse->setOriginalResponse($sourceResponse->getOriginalResponse() ? $sourceResponse->getOriginalResponse() : $sourceResponse);
$newResponse->setOriginalIssuer($sourceResponse->getOriginalIssuer() ? $sourceResponse->getOriginalIssuer() : $newResponse->getOriginalResponse()->getIssuer());
// Copy over the Status (which should be success)
$newResponse->setStatus($sourceResponse->getStatus());
// Create a new assertion by us.
$newAssertion = new SAML2_Assertion();
$newResponse->setAssertions(array($newAssertion));
$newAssertion->setId($this->getNewId(IdFrame::ID_USAGE_SAML2_ASSERTION));
$newAssertion->setIssueInstant(time());
$newAssertion->setIssuer($newResponse->getIssuer());
// Unless of course we are in 'stealth' / transparent mode, in which case,
// pretend to be the Identity Provider.
$serviceProvider = $this->getRepository()->fetchServiceProviderByEntityId($request->getIssuer());
$mustProxyTransparently = $request->isTransparent() || $serviceProvider->isTransparentIssuer;
if (!$this->isInProcessingMode() && $mustProxyTransparently) {
$newResponse->setIssuer($newResponse->getOriginalIssuer());
$newAssertion->setIssuer($newResponse->getOriginalIssuer());
}
// Copy over the NameID for now...
// (further on in the filters we'll have more info and set this to something better)
$sourceNameId = $sourceAssertion->getNameId();
if (!empty($sourceNameId) && !empty($sourceNameId['Value']) && !empty($sourceNameId['Format'])) {
$newAssertion->setNameId(array('Value' => $sourceNameId['Value'], 'Format' => $sourceNameId['Format']));
}
// Set up the Subject Confirmation element.
$subjectConfirmation = new SAML2_XML_saml_SubjectConfirmation();
$subjectConfirmation->Method = SAML2_Const::CM_BEARER;
$newAssertion->setSubjectConfirmation(array($subjectConfirmation));
$subjectConfirmationData = new SAML2_XML_saml_SubjectConfirmationData();
$subjectConfirmation->SubjectConfirmationData = $subjectConfirmationData;
// Confirm where we are sending it.
$acs = $this->getRequestAssertionConsumer($request);
$subjectConfirmationData->Recipient = $acs->location;
// Confirm that this is in response to their AuthnRequest (unless, you know, it isn't).
if (!$request->isUnsolicited()) {
/** @var SAML2_AuthnRequest $request */
$subjectConfirmationData->InResponseTo = $request->getId();
}
// Note that it is valid for some 5 minutes.
$notOnOrAfter = time() + $this->getConfig('NotOnOrAfter', 300);
$newAssertion->setNotBefore(time() - 1);
if ($sourceAssertion->getSessionNotOnOrAfter()) {
$newAssertion->setSessionNotOnOrAfter($sourceAssertion->getSessionNotOnOrAfter());
}
$newAssertion->setNotOnOrAfter($notOnOrAfter);
$subjectConfirmationData->NotOnOrAfter = $notOnOrAfter;
// And only valid for the SP that requested it.
$newAssertion->setValidAudiences(array($request->getIssuer()));
// Copy over the Authentication information because the IdP did the authentication, not us.
$newAssertion->setAuthnInstant($sourceAssertion->getAuthnInstant());
$newAssertion->setSessionIndex($sourceAssertion->getSessionIndex());
$newAssertion->setAuthnContextClassRef($sourceAssertion->getAuthnContextClassRef());
$newAssertion->setAuthnContextDeclRef($sourceAssertion->getAuthnContextDeclRef());
if ($sourceAssertion->getAuthnContextDecl()) {
$newAssertion->setAuthnContextDecl($sourceAssertion->getAuthnContextDecl());
}
// Copy over the Authenticating Authorities and add the EntityId of the Source Response Issuer.
// Note that because EB generates multiple responses, this will likely result in:
// "https://engine/../idp/metadata" !== "https://original-idp/../idpmetadata" => true, gets added
// "https://engine/../idp/metadata" !== "https://engine/../idp/metadata" => false, does not get added
// "https://engine/../idp/metadata" !== "https://engine/../idp/metadata" => false, does not get added
// UNLESS the Response is destined for an SP in VO mode, in which case the flow will be:
// "https://engine/../idp/metadata" !== "https://original-idp/../idpmetadata" => true, gets added
// "https://engine/../idp/metadata" !== "https://engine/../idp/metadata" => false, does not get added
// "https://engine/../idp/metadata/vo:void" !== "https://engine/../idp/metadata" => TRUE, gets added!
// This is a 'bug'/'feature' that we're keeping in for BWC reasons.
$authenticatingAuthorities = $sourceAssertion->getAuthenticatingAuthority();
if ($this->getUrl('idpMetadataService') !== $sourceResponse->getIssuer()) {
$authenticatingAuthorities[] = $sourceResponse->getIssuer();
}
$newAssertion->setAuthenticatingAuthority($authenticatingAuthorities);
// Copy over the attributes
$newAssertion->setAttributes($sourceAssertion->getAttributes());
$newAssertion->setAttributeNameFormat(SAML2_Const::NAMEFORMAT_URI);
return $newResponse;
}