/**
* (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');
}
}
/**
* Creates a new LTI User with the absolute minimum of required informations
*
* @param taoLti_models_classes_LtiLaunchData $ltiContext
* @return core_kernel_classes_Resource
*/
public function spawnUser(taoLti_models_classes_LtiLaunchData $ltiContext)
{
$class = new core_kernel_classes_Class(CLASS_LTI_USER);
//$lang = tao_models_classes_LanguageService::singleton()->getLanguageByCode(DEFAULT_LANG);
$props = array(PROPERTY_USER_LTIKEY => $ltiContext->getUserID(), PROPERTY_USER_LTICONSUMER => $this->getLtiConsumerResource($ltiContext));
if ($ltiContext->hasVariable(taoLti_models_classes_LtiLaunchData::LIS_PERSON_NAME_FULL)) {
$props[RDFS_LABEL] = $ltiContext->getUserFullName();
}
if ($ltiContext->hasVariable(taoLti_models_classes_LtiLaunchData::LIS_PERSON_NAME_GIVEN)) {
$props[PROPERTY_USER_FIRSTNAME] = $ltiContext->getUserGivenName();
}
if ($ltiContext->hasVariable(taoLti_models_classes_LtiLaunchData::LIS_PERSON_NAME_FAMILY)) {
$props[PROPERTY_USER_LASTNAME] = $ltiContext->getUserFamilyName();
}
if ($ltiContext->hasVariable(taoLti_models_classes_LtiLaunchData::LIS_PERSON_CONTACT_EMAIL_PRIMARY)) {
$props[PROPERTY_USER_MAIL] = $ltiContext->getUserEmail();
}
$user = $class->createInstanceWithProperties($props);
common_Logger::i('added User ' . $user->getLabel());
return $user;
}
