/**
* @return EngineBlock_Corto_Module_Bindings
*/
private function mockBindingsModule()
{
$spRequest = new SAML2_AuthnRequest();
$spRequest->setId('SPREQUEST');
$spRequest->setIssuer('testSp');
$spRequest = new EngineBlock_Saml2_AuthnRequestAnnotationDecorator($spRequest);
$ebRequest = new SAML2_AuthnRequest();
$ebRequest->setId('EBREQUEST');
$ebRequest = new EngineBlock_Saml2_AuthnRequestAnnotationDecorator($ebRequest);
$dummyLog = new Psr\Log\NullLogger();
$authnRequestRepository = new EngineBlock_Saml2_AuthnRequestSessionRepository($dummyLog);
$authnRequestRepository->store($spRequest);
$authnRequestRepository->store($ebRequest);
$authnRequestRepository->link($ebRequest, $spRequest);
$assertion = new SAML2_Assertion();
$assertion->setAttributes(array('urn:org:openconext:corto:internal:sp-entity-id' => array('testSp'), 'urn:mace:dir:attribute-def:cn' => array(null)));
$responseFixture = new SAML2_Response();
$responseFixture->setInResponseTo('EBREQUEST');
$responseFixture->setAssertions(array($assertion));
$responseFixture = new EngineBlock_Saml2_ResponseAnnotationDecorator($responseFixture);
$responseFixture->setOriginalIssuer('testIdP');
// Mock bindings module
/** @var EngineBlock_Corto_Module_Bindings $bindingsModuleMock */
$bindingsModuleMock = Phake::mock('EngineBlock_Corto_Module_Bindings');
Phake::when($bindingsModuleMock)->receiveResponse()->thenReturn($responseFixture);
return $bindingsModuleMock;
}
/**
* Handle the forwarding of the user to the proper IdP0 after the WAYF screen.
*
* @param string $serviceName
* @throws EngineBlock_Corto_Module_Services_Exception
* @throws EngineBlock_Exception
* @throws EngineBlock_Corto_Module_Services_SessionLostException
*/
public function serve($serviceName)
{
$selectedIdp = urldecode($_REQUEST['idp']);
if (!$selectedIdp) {
throw new EngineBlock_Corto_Module_Services_Exception('No IdP selected after WAYF');
}
// Retrieve the request from the session.
$id = $_POST['ID'];
if (!$id) {
throw new EngineBlock_Exception('Missing ID for AuthnRequest after WAYF', EngineBlock_Exception::CODE_NOTICE);
}
$authnRequestRepository = new EngineBlock_Saml2_AuthnRequestSessionRepository($this->_server->getSessionLog());
$request = $authnRequestRepository->findRequestById($id);
if (!$request) {
throw new EngineBlock_Corto_Module_Services_SessionLostException('Session lost after WAYF');
}
// Flush log if SP or IdP has additional logging enabled
$sp = $this->_server->getRepository()->fetchServiceProviderByEntityId($request->getIssuer());
$idp = $this->_server->getRepository()->fetchIdentityProviderByEntityId($selectedIdp);
if (EngineBlock_SamlHelper::doRemoteEntitiesRequireAdditionalLogging(array($sp, $idp))) {
$application = EngineBlock_ApplicationSingleton::getInstance();
$application->flushLog('Activated additional logging for the SP or IdP');
$log = $application->getLogInstance();
$log->info('Raw HTTP request', array('http_request' => (string) $application->getHttpRequest()));
}
$this->_server->sendAuthenticationRequest($request, $selectedIdp);
}
public function serve($serviceName)
{
$log = $this->_server->getSessionLog();
$response = $this->_displayDebugResponse($serviceName);
if ($response) {
return;
}
/** @var EngineBlock_Saml2_AuthnRequestAnnotationDecorator|SAML2_AuthnRequest $request */
$request = $this->_getRequest($serviceName);
$log->info(sprintf("Fetching service provider matching request issuer '%s'", $request->getIssuer()));
$sp = $this->_server->getRepository()->fetchServiceProviderByEntityId($request->getIssuer());
// Flush log if an SP in the requester chain has additional logging enabled
$log->info("Determining whether service provider in chain requires additional logging");
$isAdditionalLoggingRequired = EngineBlock_SamlHelper::doRemoteEntitiesRequireAdditionalLogging(EngineBlock_SamlHelper::getSpRequesterChain($sp, $request, $this->_server->getRepository()));
if ($isAdditionalLoggingRequired) {
$application = EngineBlock_ApplicationSingleton::getInstance();
$application->flushLog('Activated additional logging for one or more SPs in the SP requester chain');
$logger = $application->getLogInstance();
$logger->info('Raw HTTP request', array('http_request' => (string) $application->getHttpRequest()));
} else {
$log->info("No additional logging required");
}
// validate custom acs-location (only for unsolicited, normal logins
// fall back to default ACS location instead of showing error page)
if ($serviceName === 'unsolicitedSingleSignOnService') {
if (!$this->_verifyAcsLocation($request, $sp)) {
throw new EngineBlock_Corto_Exception_InvalidAcsLocation('Unsolicited sign-on service called, but unknown or invalid ACS location requested');
}
$log->info('Unsolicited sign-on ACS location verified.');
}
// The request may specify it ONLY wants a response from specific IdPs
// or we could have it configured that the SP may only be serviced by specific IdPs
$scopedIdps = $this->_getScopedIdPs($request);
$cacheResponseSent = $this->_sendCachedResponse($request, $scopedIdps);
if ($cacheResponseSent) {
return;
}
// If the scoped proxycount = 0, respond with a ProxyCountExceeded error
if ($request->getProxyCount() === 0) {
$log->info("Request does not allow any further proxying, responding with 'ProxyCountExceeded' status");
$response = $this->_server->createErrorResponse($request, 'ProxyCountExceeded');
$this->_server->sendResponseToRequestIssuer($request, $response);
return;
}
// Get all registered Single Sign On Services
// Note that we could also only get the ones that are allowed for this SP, but we may also want to show
// those that are not allowed.
$candidateIDPs = $this->_server->getRepository()->findAllIdentityProviderEntityIds();
$posOfOwnIdp = array_search($this->_server->getUrl('idpMetadataService'), $candidateIDPs);
if ($posOfOwnIdp !== false) {
$log->info("Removed ourselves from the candidate IdP list");
unset($candidateIDPs[$posOfOwnIdp]);
}
// If we have scoping, filter out every non-scoped IdP
if (count($scopedIdps) > 0) {
$log->info(sprintf('%d candidate IdPs before scoping', count($candidateIDPs)), array('idps' => array_values($candidateIDPs)));
$candidateIDPs = array_intersect($scopedIdps, $candidateIDPs);
$log->info(sprintf('%d candidate IdPs after scoping', count($candidateIDPs)), array('idps' => array_values($candidateIDPs)));
} else {
$log->info(sprintf('No IdP scoping required, %d candidate IdPs', count($candidateIDPs)), array('idps' => array_values($candidateIDPs)));
}
// 0 IdPs found! Throw an exception.
if (count($candidateIDPs) === 0) {
throw new EngineBlock_Corto_Module_Service_SingleSignOn_NoIdpsException('No candidate IdPs found');
}
// Exactly 1 candidate found, send authentication request to the first one.
if (count($candidateIDPs) === 1) {
$idp = array_shift($candidateIDPs);
$log->info("Only 1 candidate IdP ('{$idp}'): omitting WAYF, sending authentication request");
$this->_server->sendAuthenticationRequest($request, $idp);
return;
}
// Multiple IdPs found...
// > 1 IdPs found, but isPassive attribute given, unable to show WAYF.
if ($request->getIsPassive()) {
$log->info('Request is passive, but can be handled by more than one IdP: responding with NoPassive status');
$response = $this->_server->createErrorResponse($request, 'NoPassive');
$this->_server->sendResponseToRequestIssuer($request, $response);
return;
}
$authnRequestRepository = new EngineBlock_Saml2_AuthnRequestSessionRepository($log);
$authnRequestRepository->store($request);
// Show WAYF
$log->info("Multiple candidate IdPs: redirecting to WAYF");
$this->_showWayf($request, $candidateIDPs);
}
private function mockGlobals()
{
$_POST['ID'] = 'test';
$_POST['consent'] = 'yes';
$assertion = new SAML2_Assertion();
$assertion->setAttributes(array('urn:mace:dir:attribute-def:mail' => '*****@*****.**'));
$spRequest = new SAML2_AuthnRequest();
$spRequest->setId('SPREQUEST');
$spRequest->setIssuer('https://sp.example.edu');
$spRequest = new EngineBlock_Saml2_AuthnRequestAnnotationDecorator($spRequest);
$ebRequest = new SAML2_AuthnRequest();
$ebRequest->setId('EBREQUEST');
$ebRequest = new EngineBlock_Saml2_AuthnRequestAnnotationDecorator($ebRequest);
$dummySessionLog = new Psr\Log\NullLogger();
$authnRequestRepository = new EngineBlock_Saml2_AuthnRequestSessionRepository($dummySessionLog);
$authnRequestRepository->store($spRequest);
$authnRequestRepository->store($ebRequest);
$authnRequestRepository->link($ebRequest, $spRequest);
$sspResponse = new SAML2_Response();
$sspResponse->setInResponseTo('EBREQUEST');
$sspResponse->setAssertions(array($assertion));
$_SESSION['consent']['test']['response'] = new EngineBlock_Saml2_ResponseAnnotationDecorator($sspResponse);
}
/**
* @param EngineBlock_Saml2_ResponseAnnotationDecorator $response
* @return EngineBlock_Saml2_AuthnRequestAnnotationDecorator
* @throws EngineBlock_Corto_ProxyServer_Exception
* @throws EngineBlock_Exception
* @throws EngineBlock_Corto_Module_Services_SessionLostException
*/
public function getReceivedRequestFromResponse(EngineBlock_Saml2_ResponseAnnotationDecorator $response)
{
/** @var SAML2_Response $response */
$requestId = $response->getInResponseTo();
if (!$requestId) {
throw new EngineBlock_Corto_ProxyServer_Exception('Response without InResponseTo, e.g. unsolicited. We don\'t support this.', EngineBlock_Exception::CODE_NOTICE);
}
$authnRequestRepository = new EngineBlock_Saml2_AuthnRequestSessionRepository($this->getSessionLog());
$spRequestId = $authnRequestRepository->findLinkedRequestId($requestId);
if (!$spRequestId) {
throw new EngineBlock_Corto_Module_Services_SessionLostException("Trying to find a AuthnRequest (we made and sent) with id '{$requestId}' but it is not known in this session? " . "This could be an unsolicited Response (which we do not support) but more likely the user lost their session", EngineBlock_Corto_ProxyServer_Exception::CODE_NOTICE);
}
$spRequest = $authnRequestRepository->findRequestById($spRequestId);
if (!$spRequest) {
throw new EngineBlock_Corto_ProxyServer_Exception('Response has no known Request', EngineBlock_Corto_ProxyServer_Exception::CODE_NOTICE);
}
return $spRequest;
}
