<?php
/**
* ADFS PRP IDP protocol support for simpleSAMLphp.
*
* @author Hans Zandbelt, SURFnet bv, <*****@*****.**>
* @package simpleSAMLphp
*/
SimpleSAML_Logger::info('ADFS - IdP.prp: Accessing ADFS IdP endpoint prp');
$metadata = SimpleSAML_Metadata_MetaDataStorageHandler::getMetadataHandler();
$idpEntityId = $metadata->getMetaDataCurrentEntityID('adfs-idp-hosted');
$idp = SimpleSAML_IdP::getById('adfs:' . $idpEntityId);
if (isset($_GET['wa'])) {
if ($_GET['wa'] === 'wsignout1.0') {
sspmod_adfs_IdP_ADFS::receiveLogoutMessage($idp);
} else {
if ($_GET['wa'] === 'wsignin1.0') {
sspmod_adfs_IdP_ADFS::receiveAuthnRequest($idp);
}
}
assert('FALSE');
} elseif (isset($_GET['assocId'])) {
// logout response from ADFS SP
$assocId = $_GET['assocId'];
/* Association ID of the SP that sent the logout response. */
$relayState = $_GET['relayState'];
/* Data that was sent in the logout request to the SP. Can be null. */
$logoutError = NULL;
/* NULL on success, or an instance of a SimpleSAML_Error_Exception on failure. */
$idp->handleLogoutResponse($assocId, $relayState, $logoutError);
}
public static function sendResponse(array $state)
{
$spMetadata = $state["SPMetadata"];
$spEntityId = $spMetadata['entityid'];
$spMetadata = SimpleSAML_Configuration::loadFromArray($spMetadata, '$metadata[' . var_export($spEntityId, TRUE) . ']');
$attributes = $state['Attributes'];
$nameidattribute = $spMetadata->getValue('simplesaml.nameidattribute');
if (!empty($nameidattribute)) {
if (!array_key_exists($nameidattribute, $attributes)) {
throw new Exception('simplesaml.nameidattribute does not exist in resulting attribute set');
}
$nameid = $attributes[$nameidattribute][0];
} else {
$nameid = SimpleSAML_Utilities::generateID();
}
$idp = SimpleSAML_IdP::getByState($state);
$idpMetadata = $idp->getConfig();
$idpEntityId = $idpMetadata->getString('entityid');
$idp->addAssociation(array('id' => 'adfs:' . $spEntityId, 'Handler' => 'sspmod_adfs_IdP_ADFS', 'adfs:entityID' => $spEntityId));
$response = sspmod_adfs_IdP_ADFS::ADFS_GenerateResponse($idpEntityId, $spEntityId, $nameid, $attributes);
$privateKeyFile = SimpleSAML_Utilities::resolveCert($idpMetadata->getString('privatekey'));
$certificateFile = SimpleSAML_Utilities::resolveCert($idpMetadata->getString('certificate'));
$wresult = sspmod_adfs_IdP_ADFS::ADFS_SignResponse($response, $privateKeyFile, $certificateFile);
$wctx = $state['adfs:wctx'];
sspmod_adfs_IdP_ADFS::ADFS_PostResponse($spMetadata->getValue('prp'), $wresult, $wctx);
}