}
/* Filter which attribute values we should return. */
$returnAttributes[$name] = array_intersect($values, $attributes[$name]);
}
}
/* $returnAttributes contains the attributes we should return. Send them. */
$assertion = new \SAML2\Assertion();
$assertion->setIssuer($idpEntityId);
$assertion->setNameId($query->getNameId());
$assertion->setNotBefore(time());
$assertion->setNotOnOrAfter(time() + 5 * 60);
$assertion->setValidAudiences(array($spEntityId));
$assertion->setAttributes($returnAttributes);
$assertion->setAttributeNameFormat($attributeNameFormat);
$sc = new \SAML2\XML\saml\SubjectConfirmation();
$sc->Method = \SAML2\Constants::CM_BEARER;
$sc->SubjectConfirmationData = new \SAML2\XML\saml\SubjectConfirmationData();
$sc->SubjectConfirmationData->NotOnOrAfter = time() + 5 * 60;
$sc->SubjectConfirmationData->Recipient = $endpoint;
$sc->SubjectConfirmationData->InResponseTo = $query->getId();
$assertion->setSubjectConfirmation(array($sc));
sspmod_saml_Message::addSign($idpMetadata, $spMetadata, $assertion);
$response = new \SAML2\Response();
$response->setRelayState($query->getRelayState());
$response->setDestination($endpoint);
$response->setIssuer($idpEntityId);
$response->setInResponseTo($query->getId());
$response->setAssertions(array($assertion));
sspmod_saml_Message::addSign($idpMetadata, $spMetadata, $response);
$binding = new \SAML2\HTTPPost();
$binding->send($response);
