/**
* 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');
}
private function determinTaoRoles()
{
$roles = array();
if ($this->getLaunchData()->hasVariable(taoLti_models_classes_LtiLaunchData::ROLES)) {
foreach ($this->getLaunchData()->getUserRoles() as $role) {
$taoRole = taoLti_models_classes_LtiUtils::mapLTIRole2TaoRole($role);
if (!is_null($taoRole)) {
$roles[] = $taoRole;
foreach (core_kernel_users_Service::singleton()->getIncludedRoles(new core_kernel_classes_Resource($taoRole)) as $includedRole) {
$roles[] = $includedRole->getUri();
}
}
}
$roles = array_unique($roles);
} else {
return array(INSTANCE_ROLE_LTI_BASE);
}
return $roles;
}
private function determinTaoRoles()
{
$roles = array();
if ($this->getLaunchData()->hasVariable(taoLti_models_classes_LtiLaunchData::ROLES)) {
foreach ($this->getLaunchData()->getUserRoles() as $role) {
$taoRole = taoLti_models_classes_LtiUtils::mapLTIRole2TaoRole($role);
if (!is_null($taoRole)) {
$roles[] = $taoRole;
}
}
} else {
return array(INSTANCE_ROLE_LTI_BASE);
}
return $roles;
}
