/**
* @param type $deliveryResultIdentifier lis_result_sourcedid
* @param type $test ignored
* @param taoResultServer_models_classes_Variable $testVariable
* @param type $callIdTest ignored
*/
public function storeTestVariable($deliveryResultIdentifier, $test, taoResultServer_models_classes_Variable $testVariable, $callIdTest)
{
if (get_class($testVariable) == "taoResultServer_models_classes_OutcomeVariable") {
common_Logger::i("Outcome submission VariableId. (" . $testVariable->getIdentifier() . ") Result Identifier (" . $deliveryResultIdentifier . ")Service URL (" . $this->serviceUrl . ")");
$variableIdentifier = $testVariable->getIdentifier();
if ($variableIdentifier == LTI_OUTCOME_VARIABLE_IDENTIFIER) {
$grade = (string) $testVariable->getValue();
$message = taoLtiBasicOutcome_helpers_LtiBasicOutcome::buildXMLMessage($deliveryResultIdentifier, $grade, 'replaceResultRequest');
//common_Logger::i("Preparing POX message for the outcome service :".$message."\n");
$credentialResource = taoLti_models_classes_LtiService::singleton()->getCredential($this->consumerKey);
//common_Logger::i("Credential for the consumerKey :". $credentialResource->getUri()."\n");
$credentials = new tao_models_classes_oauth_Credentials($credentialResource);
//$this->serviceUrl = "http://tao-dev/log.php";
//Building POX raw http message
$unSignedOutComeRequest = new common_http_Request($this->serviceUrl, 'POST', array());
$unSignedOutComeRequest->setBody($message);
$signingService = new tao_models_classes_oauth_Service();
$signedRequest = $signingService->sign($unSignedOutComeRequest, $credentials, true);
common_Logger::i("Request sent (Body)\n" . $signedRequest->getBody() . "\n");
common_Logger::i("Request sent (Headers)\n" . serialize($signedRequest->getHeaders()) . "\n");
common_Logger::i("Request sent (Headers)\n" . serialize($signedRequest->getParams()) . "\n");
//Hack for moodle comaptibility, the header is ignored for the signature computation
$signedRequest->setHeader("Content-Type", "application/xml");
$response = $signedRequest->send();
common_Logger::i("\nHTTP Code received: " . $response->httpCode . "\n");
common_Logger::i("\nHTTP From: " . $response->effectiveUrl . "\n");
common_Logger::i("\nHTTP Content received: " . $response->responseData . "\n");
if ($response->httpCode != "200") {
throw new common_exception_Error("An HTTP level proble occured when sending the outcome to the service url");
}
}
}
}
public function testSignature()
{
$request = new common_http_Request('http://example.com/oauthtest');
$service = new tao_models_classes_oauth_Service();
$signed = $service->sign($request, $this->oauthCustomer);
//assert no exception
$service->validate($signed);
}
/**
* (non-PHPdoc)
* @see common_user_auth_Adapter::authenticate()
*/
public function authenticate()
{
$service = new tao_models_classes_oauth_Service();
try {
$service->validate($this->request);
$ltiLaunchData = taoLti_models_classes_LtiLaunchData::fromRequest($this->request);
return new taoLti_models_classes_LtiUser($ltiLaunchData);
} catch (common_http_InvalidSignatureException $e) {
throw new taoLti_models_classes_LtiException('Invalid LTI signature');
}
}
/**
* Launches a oauth tool
*/
public function call()
{
if (!$this->hasRequestParameter('ltiConsumerUri')) {
throw new common_exception_MissingParameter('ltiConsumerUri', get_class($this));
}
if (!$this->hasRequestParameter('ltiLaunchUrl')) {
throw new common_exception_MissingParameter('ltiLaunchUrl', get_class($this));
}
$ltiConsumer = new tao_models_classes_oauth_Credentials($this->getRequestParameter('ltiConsumerUri'));
$launchUrl = $this->getRequestParameter('ltiLaunchUrl');
$serviceCallId = $this->getServiceCallId() . '_c';
$session = common_session_SessionManager::getSession();
$roles = array();
foreach ($session->getUserRoles() as $role) {
foreach (taoLti_models_classes_LtiUtils::mapTaoRole2LTIRoles($role) as $ltiRole) {
$roles[] = $ltiRole;
}
}
$ltiData = array('lti_message_type' => 'basic-lti-launch-request', 'lti_version' => 'LTI-1p0', 'resource_link_id' => rand(0, 9999999), 'resource_link_title' => 'Launch Title', 'resource_link_label' => 'Launch label', 'context_id' => $serviceCallId, 'context_title' => 'Launch Title', 'context_label' => 'Launch label', 'user_id' => $session->getUserUri(), 'roles' => implode(',', $roles), 'lis_person_name_full' => $session->getUserLabel(), 'tool_consumer_info_product_family_code' => PRODUCT_NAME, 'tool_consumer_info_version' => TAO_VERSION);
// @todo add:
/*
user_id:
roles:
lis_person_name_full:
lis_person_name_family:
lis_person_name_given:
lis_person_contact_email_primary:
lis_person_sourcedid:
tool_consumer_info_product_family_code:
tool_consumer_info_version:
tool_consumer_instance_guid:
tool_consumer_instance_description:
*/
$request = new common_http_Request($launchUrl, common_http_Request::METHOD_POST, $ltiData);
$service = new tao_models_classes_oauth_Service();
$signedRequest = $service->sign($request, $ltiConsumer);
$this->setData('launchUrl', $launchUrl);
$this->setData('ltiData', $signedRequest->getParams());
$this->setData('client_config_url', $this->getClientConfigUrl());
$this->setView('ltiConsumer.tpl');
}
