function handleResponse()
{
try {
$binding = SAML2_Binding::getCurrentBinding();
$response = $binding->receive();
} catch (Exception $e) {
return;
}
SimpleSAML_Logger::debug('attributequery - received message.');
if (!$response instanceof SAML2_Response) {
throw new SimpleSAML_Error_Exception('Unexpected message received to attribute query example.');
}
$idpEntityId = $response->getIssuer();
if ($idpEntityId === NULL) {
throw new SimpleSAML_Error_Exception('Missing issuer in response.');
}
$idpMetadata = $GLOBALS['metadata']->getMetaDataConfig($idpEntityId, 'saml20-idp-remote');
$spMetadata = $GLOBALS['metadata']->getMetaDataConfig($GLOBALS['spEntityId'], 'saml20-sp-hosted');
$assertion = sspmod_saml_Message::processResponse($spMetadata, $idpMetadata, $response);
if (count($assertion) > 1) {
throw new SimpleSAML_Error_Exception('More than one assertion in received response.');
}
$assertion = $assertion[0];
$dataId = $response->getRelayState();
if ($dataId === NULL) {
throw new SimpleSAML_Error_Exception('RelayState was lost during request.');
}
$data = $GLOBALS['session']->getData('attributequeryexample:data', $dataId);
$data['attributes'] = $assertion->getAttributes();
$GLOBALS['session']->setData('attributequeryexample:data', $dataId, $data, 3600);
SimpleSAML_Utilities::redirect(SimpleSAML_Utilities::selfURLNoQuery(), array('dataId' => $dataId));
}
protected function createLogoutResponse($testrun, $logoutRequest, $logoutRelayState)
{
$this->log($testrun, 'Creating response with relaystate [' . $logoutRelayState . ']');
$idpMetadata = SimpleSAML_Configuration::loadFromArray($this->idpmetadata);
$spMetadata = SimpleSAML_Configuration::loadFromArray($this->metadata);
// Get SingleLogoutService URL
$consumerURLf = $spMetadata->getDefaultEndpoint('SingleLogoutService', array('urn:oasis:names:tc:SAML:2.0:bindings:HTTP-Redirect'));
$consumerURL = $consumerURLf['Location'];
/* Create and send response. */
$response = sspmod_saml_Message::buildLogoutResponse($idpMetadata, $spMetadata);
# $response->setRelayState($logoutRequest->getRelayState());
error_log(var_export($logoutRequest, TRUE));
$response->setInResponseTo($logoutRequest->getId());
$keyArray = SimpleSAML_Utilities::loadPrivateKey($idpMetadata, TRUE);
$certArray = SimpleSAML_Utilities::loadPublicKey($idpMetadata, FALSE);
$privateKey = new XMLSecurityKey(XMLSecurityKey::RSA_SHA1, array('type' => 'private'));
$privateKey->loadKey($keyArray['PEM'], FALSE);
$response->setSignatureKey($privateKey);
if ($certArray === NULL) {
throw new Exception('No certificates found. [1]');
}
if (!array_key_exists('PEM', $certArray)) {
throw new Exception('No certificates found. [2]');
}
$response->setCertificates(array($certArray['PEM']));
$msgStr = $response->toUnsignedXML();
#$this->tweakResponseDOM($testrun, $msgStr);
$msgStr = $msgStr->ownerDocument->saveXML($msgStr);
# echo '<pre>'; echo(htmlspecialchars($msgStr)); exit;
# $msgStr = base64_encode($msgStr);
# $msgStr = htmlspecialchars($msgStr);
return array('url' => $consumerURL, 'Response' => $msgStr, 'ResponseObj' => $response, 'RelayState' => $logoutRelayState);
}
/**
* @param SAML2_Response $response
* @param SimpleSAML_Configuration $idpConfig
*/
private function addSigns(SAML2_Response $response, SimpleSAML_Configuration $idpConfig)
{
$assertions = $response->getAssertions();
$className = EngineBlock_ApplicationSingleton::getInstance()->getDiContainer()->getMessageUtilClassName();
// Special case the 'normal' message verification class name so we have IDE support.
if ($className === 'sspmod_saml_Message') {
sspmod_saml_Message::addSign($idpConfig, SimpleSAML_Configuration::loadFromArray(array()), $assertions[0]);
return;
}
$className::addSign($idpConfig, SimpleSAML_Configuration::loadFromArray(array()), $assertions[0]);
}
/**
* Receive a SAML 2 message sent using the HTTP-Artifact binding.
*
* Throws an exception if it is unable receive the message.
*
* @return SAML2_Message The received message.
*/
public function receive()
{
if (array_key_exists('SAMLart', $_REQUEST)) {
$artifact = base64_decode($_REQUEST['SAMLart']);
$endpointIndex = bin2hex(substr($artifact, 2, 2));
$sourceId = bin2hex(substr($artifact, 4, 20));
} else {
throw new Execption('Missing SAMLArt parameter.');
}
$metadataHandler = SimpleSAML_Metadata_MetaDataStorageHandler::getMetadataHandler();
$idpmetadata = $metadataHandler->getMetaDataConfigForSha1($sourceId, 'saml20-idp-remote');
$endpoint = NULL;
foreach ($idpmetadata->getEndpoints('ArtifactResolutionService') as $ep) {
if ($ep['index'] === hexdec($endpointIndex)) {
$endpoint = $ep;
break;
}
}
if ($endpoint === NULL) {
throw new Exception('No ArtifactResolutionService with the correct index.');
}
SimpleSAML_Logger::debug("ArtifactResolutionService endpoint being used is := " . $endpoint['Location']);
//Construct the ArtifactResolve Request
$ar = new SAML2_ArtifactResolve();
/* Set the request attributes */
$ar->setIssuer($this->spMetadata->getString('entityid'));
$ar->setArtifact($_REQUEST['SAMLart']);
$ar->setDestination($endpoint['Location']);
/* Sign the request */
sspmod_saml_Message::addSign($this->spMetadata, $idpmetadata, $ar);
// Shoaib - moved from the SOAPClient.
$soap = new SAML2_SOAPClient();
// Send message through SoapClient
$artifactResponse = $soap->send($ar, $this->spMetadata);
if (!$artifactResponse->isSuccess()) {
throw new Exception('Received error from ArtifactResolutionService.');
}
$xml = $artifactResponse->getAny();
if ($xml === NULL) {
/* Empty ArtifactResponse - possibly because of Artifact replay? */
return NULL;
}
$samlresponse = SAML2_Message::fromXML($xml);
$samlresponse->addValidator(array(get_class($this), 'validateSignature'), $artifactResponse);
if (isset($_REQUEST['RelayState'])) {
$samlresponse->setRelayState($_REQUEST['RelayState']);
}
return $samlresponse;
}
if ($state['saml:sp:AuthId'] !== $sourceId) {
throw new SimpleSAML_Error_Exception('The authentication source id in the URL does not match the authentication source which sent the request.');
}
/* Check that the issuer is the one we are expecting. */
assert('array_key_exists("ExpectedIssuer", $state)');
if ($state['ExpectedIssuer'] !== $idp) {
throw new SimpleSAML_Error_Exception('The issuer of the response does not match to the identity provider we sent the request to.');
}
} else {
/* This is an unsolicited response. */
$state = array('saml:sp:isUnsolicited' => TRUE, 'saml:sp:AuthId' => $sourceId, 'saml:sp:RelayState' => $response->getRelayState());
}
SimpleSAML_Logger::debug('Received SAML2 Response from ' . var_export($idp, TRUE) . '.');
$idpMetadata = $source->getIdPmetadata($idp);
try {
$assertions = sspmod_saml_Message::processResponse($spMetadata, $idpMetadata, $response);
} catch (sspmod_saml_Error $e) {
/* The status of the response wasn't "success". */
$e = $e->toException();
SimpleSAML_Auth_State::throwException($state, $e);
}
$authenticatingAuthority = NULL;
$nameId = NULL;
$sessionIndex = NULL;
$expire = NULL;
$attributes = array();
$foundAuthnStatement = FALSE;
foreach ($assertions as $assertion) {
/* Check for duplicate assertion (replay attack). */
$store = SimpleSAML_Store::getInstance();
if ($store !== FALSE) {
$idpMetadata = $metadata->getMetaDataConfig($idpEntityId, 'saml20-idp-hosted');
if (!$idpMetadata->getBoolean('saml20.sendartifact', FALSE)) {
throw new SimpleSAML_Error_Error('NOACCESS');
}
$store = SimpleSAML_Store::getInstance();
if ($store === FALSE) {
throw new Exception('Unable to send artifact without a datastore configured.');
}
$binding = new SAML2_SOAP();
$request = $binding->receive();
if (!$request instanceof SAML2_ArtifactResolve) {
throw new Exception('Message received on ArtifactResolutionService wasn\'t a ArtifactResolve request.');
}
$issuer = $request->getIssuer();
$spMetadata = $metadata->getMetadataConfig($issuer, 'saml20-sp-remote');
$artifact = $request->getArtifact();
$responseData = $store->get('artifact', $artifact);
$store->delete('artifact', $artifact);
if ($responseData !== NULL) {
$document = new DOMDocument();
$document->loadXML($responseData);
$responseXML = $document->firstChild;
} else {
$responseXML = NULL;
}
$artifactResponse = new SAML2_ArtifactResponse();
$artifactResponse->setIssuer($idpEntityId);
$artifactResponse->setInResponseTo($request->getId());
$artifactResponse->setAny($responseXML);
sspmod_saml_Message::addSign($idpMetadata, $spMetadata, $artifactResponse);
$binding->send($artifactResponse);
/**
* Start a SAML 2 logout operation.
*
* @param array $state The logout state.
*/
public function startSLO2(&$state)
{
assert('is_array($state)');
assert('array_key_exists("saml:logout:IdP", $state)');
assert('array_key_exists("saml:logout:NameID", $state)');
assert('array_key_exists("saml:logout:SessionIndex", $state)');
$id = SimpleSAML_Auth_State::saveState($state, 'saml:slosent');
$idp = $state['saml:logout:IdP'];
$nameId = $state['saml:logout:NameID'];
$sessionIndex = $state['saml:logout:SessionIndex'];
$idpMetadata = $this->getIdPMetadata($idp);
$endpoint = $idpMetadata->getEndpointPrioritizedByBinding('SingleLogoutService', array(\SAML2\Constants::BINDING_HTTP_REDIRECT, \SAML2\Constants::BINDING_HTTP_POST), FALSE);
if ($endpoint === FALSE) {
SimpleSAML\Logger::info('No logout endpoint for IdP ' . var_export($idp, TRUE) . '.');
return;
}
$lr = sspmod_saml_Message::buildLogoutRequest($this->metadata, $idpMetadata);
$lr->setNameId($nameId);
$lr->setSessionIndex($sessionIndex);
$lr->setRelayState($id);
$lr->setDestination($endpoint['Location']);
$encryptNameId = $idpMetadata->getBoolean('nameid.encryption', NULL);
if ($encryptNameId === NULL) {
$encryptNameId = $this->metadata->getBoolean('nameid.encryption', FALSE);
}
if ($encryptNameId) {
$lr->encryptNameId(sspmod_saml_Message::getEncryptionKey($idpMetadata));
}
$b = \SAML2\Binding::getBinding($endpoint['Binding']);
$b->send($lr);
assert('FALSE');
}
SimpleSAML_Utilities::redirectTrustedURL($extDiscoveryStorage, array('entityID' => $spentityid, 'return' => SimpleSAML_Utilities::addURLparameter($discourl, array('return' => SimpleSAML_Utilities::selfURL(), 'remember' => 'true', 'entityID' => $spentityid, 'returnIDParam' => 'idpentityid')), 'returnIDParam' => 'idpentityid', 'isPassive' => 'true'));
}
$discoparameters = array('entityID' => $spentityid, 'return' => SimpleSAML_Utilities::selfURL(), 'returnIDParam' => 'idpentityid');
$discoparameters['isPassive'] = $isPassive;
if (sizeof($reachableIDPs) > 0) {
$discoparameters['IDPList'] = $reachableIDPs;
}
SimpleSAML_Utilities::redirectTrustedURL($discourl, $discoparameters);
}
/*
* Create and send authentication request to the IdP.
*/
try {
$spMetadata = $metadata->getMetaDataConfig($spentityid, 'saml20-sp-hosted');
$idpMetadata = $metadata->getMetaDataConfig($idpentityid, 'saml20-idp-remote');
$ar = sspmod_saml_Message::buildAuthnRequest($spMetadata, $idpMetadata);
$assertionConsumerServiceURL = $metadata->getGenerated('AssertionConsumerService', 'saml20-sp-hosted');
$ar->setAssertionConsumerServiceURL($assertionConsumerServiceURL);
$ar->setRelayState($returnTo);
if ($isPassive) {
$ar->setIsPassive(TRUE);
}
if ($forceAuthn) {
$ar->setForceAuthn(TRUE);
}
if (array_key_exists('IDPList', $spmetadata)) {
$IDPList = array_unique(array_merge($IDPList, $spmetadata['IDPList']));
}
if (isset($_GET['IDPList']) && !empty($_GET['IDPList'])) {
$providers = $_GET['IDPList'];
if (!is_array($providers)) {
throw $e;
}
*
*/
try {
$binding = SAML2_Binding::getCurrentBinding();
$request = $binding->receive();
if (!$request instanceof SAML2_AuthnRequest) {
throw new SimpleSAML_Error_BadRequest('Message received on authentication request endpoint wasn\'t an authentication request.');
}
$spEntityId = $request->getIssuer();
if ($spEntityId === NULL) {
throw new SimpleSAML_Error_BadRequest('Received message on authentication request endpoint without issuer.');
}
$spMetadata = $metadata->getMetaDataConfig($spEntityId, 'saml20-sp-remote');
sspmod_saml_Message::validateMessage($spMetadata, $idpMetadata, $request);
$supportedBindings = array(SAML2_Const::BINDING_PAOS);
$consumerURL = $request->getAssertionConsumerServiceURL();
$protocolBinding = $request->getProtocolBinding();
$consumerIndex = $request->getAssertionConsumerServiceIndex();
$acsEndpoint = sspmod_saml_IdP_SAML2::getAssertionConsumerService($supportedBindings, $spMetadata, $consumerURL, $protocolBinding, $consumerIndex);
$relayState = $request->getRelayState();
$requestId = $request->getId();
$state = array();
$state[sspmod_core_Auth_UserPassBase::AUTHID] = $auth;
$state['LoginCompletedHandler'] = "ecp_finish_auth";
$state['SPMetadata'] = $spMetadata->toArray();
$state['saml:RequestId'] = $requestId;
$state['saml:RelayState'] = $relayState;
$state['saml:ConsumerURL'] = $acsEndpoint['Location'];
$state['saml:Binding'] = $acsEndpoint['Binding'];
/**
* build and send AttributeQuery
*/
function sendQuery($dataId, $url, $nameId, $attributes, $attributeNameFormat, $src, $dst)
{
assert('is_string($dataId)');
assert('is_string($url)');
assert('is_array($nameId)');
assert('is_array($attributes)');
SimpleSAML_Logger::debug('[attributeaggregator] - sending request');
$query = new SAML2_AttributeQuery();
$query->setRelayState($dataId);
$query->setDestination($url);
$query->setIssuer($src->getValue('entityid'));
$query->setNameId($nameId);
$query->setAttributeNameFormat($attributeNameFormat);
if (!empty($attributes)) {
$query->setAttributes($attributes);
}
sspmod_saml_Message::addSign($src, $dst, $query);
if (!$query->getSignatureKey()) {
throw new SimpleSAML_Error_Exception('[attributeaggregator] - Unable to find private key for signing attribute request.');
}
SimpleSAML_Logger::debug('[attributeaggregator] - sending attribute query: ' . var_export($query, 1));
$binding = new SAML2_SOAPClient();
$result = $binding->send($query, $src);
return $result;
}
}
/* 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_Const::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);
/**
* Start a SAML 2 logout operation.
*
* @param array $state The logout state.
*/
public function startSLO2(&$state)
{
assert('is_array($state)');
assert('array_key_exists("saml:logout:IdP", $state)');
assert('array_key_exists("saml:logout:NameID", $state)');
assert('array_key_exists("saml:logout:SessionIndex", $state)');
$id = SimpleSAML_Auth_State::saveState($state, 'saml:slosent');
$idp = $state['saml:logout:IdP'];
$nameId = $state['saml:logout:NameID'];
$sessionIndex = $state['saml:logout:SessionIndex'];
$idpMetadata = $this->getIdPMetadata($idp);
$endpoint = $idpMetadata->getDefaultEndpoint('SingleLogoutService', array(SAML2_Const::BINDING_HTTP_REDIRECT), FALSE);
if ($endpoint === FALSE) {
SimpleSAML_Logger::info('No logout endpoint for IdP ' . var_export($idp, TRUE) . '.');
return;
}
$lr = sspmod_saml_Message::buildLogoutRequest($this->metadata, $idpMetadata);
$lr->setNameId($nameId);
$lr->setSessionIndex($sessionIndex);
$lr->setRelayState($id);
$b = new SAML2_HTTPRedirect();
$b->send($lr);
assert('FALSE');
}
private function buildResponse($returnAttributes)
{
/* SubjectConfirmation */
$sc = new SAML2_XML_saml_SubjectConfirmation();
$sc->Method = SAML2_Const::CM_BEARER;
$sc->SubjectConfirmationData = new SAML2_XML_saml_SubjectConfirmationData();
$sc->SubjectConfirmationData->NotBefore = time();
$sc->SubjectConfirmationData->NotOnOrAfter = time() + $this->config->getInteger('validFor');
$sc->SubjectConfirmationData->InResponseTo = $this->query->getId();
$assertion = new SAML2_Assertion();
$assertion->setSubjectConfirmation(array($sc));
$assertion->setIssuer($this->aaEntityId);
$assertion->setNameId($this->query->getNameId());
$assertion->setNotBefore(time());
$assertion->setNotOnOrAfter(time() + $this->config->getInteger('validFor'));
$assertion->setValidAudiences(array($this->spEntityId));
$assertion->setAttributes($returnAttributes);
$assertion->setAttributeNameFormat($this->attributeNameFormat);
if ($this->signAssertion) {
sspmod_saml_Message::addSign($this->aaMetadata, $this->spMetadata, $assertion);
}
/* The Response */
$response = new SAML2_Response();
$response->setRelayState($this->query->getRelayState());
$response->setIssuer($this->aaEntityId);
$response->setInResponseTo($this->query->getId());
$response->setAssertions(array($assertion));
if ($this->signResponse) {
sspmod_saml_Message::addSign($this->aaMetadata, $this->spMetadata, $response);
}
return $response;
}
}
$associations = $idp->getAssociations();
if (!isset($associations[$assocId])) {
throw new SimpleSAML_Error_BadRequest('Invalid association id.');
}
$association = $associations[$assocId];
$metadata = SimpleSAML_Metadata_MetaDataStorageHandler::getMetadataHandler();
$idpMetadata = $idp->getConfig();
$spMetadata = $metadata->getMetaDataConfig($association['saml:entityID'], 'saml20-sp-remote');
$lr = sspmod_saml_Message::buildLogoutRequest($idpMetadata, $spMetadata);
$lr->setSessionIndex($association['saml:SessionIndex']);
$lr->setNameId($association['saml:NameID']);
$assertionLifetime = $spMetadata->getInteger('assertion.lifetime', NULL);
if ($assertionLifetime === NULL) {
$assertionLifetime = $idpMetadata->getInteger('assertion.lifetime', 300);
}
$lr->setNotOnOrAfter(time() + $assertionLifetime);
$encryptNameId = $spMetadata->getBoolean('nameid.encryption', NULL);
if ($encryptNameId === NULL) {
$encryptNameId = $idpMetadata->getBoolean('nameid.encryption', FALSE);
}
if ($encryptNameId) {
$lr->encryptNameId(sspmod_saml_Message::getEncryptionKey($spMetadata));
}
SimpleSAML_Stats::log('saml:idp:LogoutRequest:sent', array('spEntityID' => $association['saml:entityID'], 'idpEntityID' => $idpMetadata->getString('entityid')));
$bindings = array(\SAML2\Constants::BINDING_HTTP_POST);
$dst = $spMetadata->getDefaultEndpoint('SingleLogoutService', $bindings);
$binding = \SAML2\Binding::getBinding($dst['Binding']);
$lr->setDestination($dst['Location']);
$lr->setRelayState($relayState);
$binding->send($lr);
/**
* Build a authentication response based on information in the metadata.
*
* @param SimpleSAML_Configuration $idpMetadata The metadata of the IdP.
* @param SimpleSAML_Configuration $spMetadata The metadata of the SP.
* @param string $consumerURL The Destination URL of the response.
*/
private static function buildResponse(SimpleSAML_Configuration $idpMetadata, SimpleSAML_Configuration $spMetadata, $consumerURL)
{
$signResponse = $spMetadata->getBoolean('saml20.sign.response', NULL);
if ($signResponse === NULL) {
$signResponse = $idpMetadata->getBoolean('saml20.sign.response', TRUE);
}
$r = new SAML2_Response();
$r->setIssuer($idpMetadata->getString('entityid'));
$r->setDestination($consumerURL);
if ($signResponse) {
sspmod_saml_Message::addSign($idpMetadata, $spMetadata, $r);
}
return $r;
}
foreach ($keys as $i => $key) {
try {
$message->decryptNameId($key);
SimpleSAML_Logger::debug('Decryption with key #' . $i . ' succeeded.');
} catch (Exception $e) {
SimpleSAML_Logger::debug('Decryption with key #' . $i . ' failed with exception: ' . $e->getMessage());
$lastException = $e;
}
}
throw $lastException;
}
$nameId = $message->getNameId();
$sessionIndexes = $message->getSessionIndexes();
$numLoggedOut = sspmod_saml_SP_LogoutStore::logoutSessions($sourceId, $nameId, $sessionIndexes);
if ($numLoggedOut === FALSE) {
/* This type of logout was unsupported. Use the old method. */
$source->handleLogout($idpEntityId);
$numLoggedOut = count($sessionIndexes);
}
/* Create an send response. */
$lr = sspmod_saml_Message::buildLogoutResponse($spMetadata, $idpMetadata);
$lr->setRelayState($message->getRelayState());
$lr->setInResponseTo($message->getId());
/* We should return a partial logout if we were unable to log out of all the given session(s). */
if ($numLoggedOut < count($sessionIndexes)) {
$lr->setStatus(array('Code' => SAML2_Const::STATUS_SUCCESS, 'SubCode' => SAML2_Const::STATUS_PARTIAL_LOGOUT, 'Message' => 'Logged out of ' . $numLoggedOut . ' of ' . count($sessionIndexes) . ' sessions.'));
}
$binding->send($lr);
} else {
throw new SimpleSAML_Error_BadRequest('Unknown message received on logout endpoint: ' . get_class($message));
}
}
try {
$metadata = SimpleSAML_Metadata_MetaDataStorageHandler::getMetadataHandler();
$idpEntityId = $session->getAuthData('saml2', 'saml:sp:IdP');
if ($idpEntityId === NULL) {
SimpleSAML_Logger::info('SAML2.0 - SP.initSLO: User not authenticated with an IdP.');
SimpleSAML_Utilities::redirectTrustedURL($returnTo);
}
$idpMetadata = $metadata->getMetaDataConfig($idpEntityId, 'saml20-idp-remote');
$SLOendpoint = $idpMetadata->getEndpointPrioritizedByBinding('SingleLogoutService', array(SAML2_Const::BINDING_HTTP_REDIRECT, SAML2_Const::BINDING_HTTP_POST), NULL);
if ($SLOendpoint === NULL) {
$session->doLogout('saml2');
SimpleSAML_Logger::info('SAML2.0 - SP.initSLO: No SingleLogoutService endpoint supported in the IdP.');
SimpleSAML_Utilities::redirectTrustedURL($returnTo);
}
$spEntityId = isset($_GET['spentityid']) ? $_GET['spentityid'] : $metadata->getMetaDataCurrentEntityID();
$spMetadata = $metadata->getMetaDataConfig($spEntityId, 'saml20-sp-hosted');
$nameId = $session->getAuthData('saml2', 'saml:sp:NameID');
$lr = sspmod_saml_Message::buildLogoutRequest($spMetadata, $idpMetadata);
$lr->setNameId($nameId);
$lr->setSessionIndex($session->getAuthData('saml2', 'saml:sp:SessionIndex'));
$lr->setDestination($SLOendpoint['Location']);
$session->doLogout('saml2');
/* Save the $returnTo URL until the user returns from the IdP. */
$session->setData('spLogoutReturnTo', $lr->getId(), $returnTo);
SimpleSAML_Logger::info('SAML2.0 - SP.initSLO: SP (' . $spEntityId . ') is sending logout request to IdP (' . $idpEntityId . ')');
$b = SAML2_Binding::getBinding($SLOendpoint['Binding']);
$b->send($lr);
} catch (Exception $exception) {
throw new SimpleSAML_Error_Error('CREATEREQUEST', $exception);
}