/**
* Called on application initialisation.
*
* @return void
*
* @since 2.0
*/
public function onAfterInitialise()
{
$input = new JInput();
$config = SHFactory::getConfig();
$bypass = $config->get('sso.bypasskey', 'nosso');
// Check if the URL contains this key and the value assigned to it
$value = $input->get($bypass, false);
// Check whether the url has been set
if ($value !== false) {
$value = (int) $value;
if ($value === SHSsoHelper::STATUS_ENABLE) {
// Enable SSO
SHSsoHelper::enable(true);
} elseif ($value === SHSsoHelper::STATUS_LOGOUT_DISABLE) {
// SSO user logout detected
SHSsoHelper::disable(false);
} elseif ($value === SHSsoHelper::STATUS_BYPASS_DISABLE) {
// Disable SSO for bypass
SHSsoHelper::disable(true);
}
}
$this->_attemptSSO();
}
/**
* Calls the logoutRemoteUser method within SSO plug-in if the user
* was logged on with SSO.
*
* @return void
*
* @since 2.0
*/
public function logout()
{
$session = JFactory::getSession();
$app = JFactory::getApplication();
// Get the SSO plug-in name from login if we used SSO
if ($class = $session->get(SHSsoHelper::SESSION_PLUGIN_KEY, false)) {
// Lets disable SSO until the user requests login
SHSsoHelper::disable();
$router = $app->getRouter();
// We need to add a callback on the router to tell the routed page we just logged out from SSO
$router->setVar('ssologoutkey', SHFactory::getConfig()->get('sso.bypasskey', 'nosso'));
$router->setVar('ssologoutval', $session->get(SHSsoHelper::SESSION_STATUS_KEY, SHSsoHelper::STATUS_ENABLE));
$router->attachBuildRule('SHSso::logoutRouterRule');
$index = array_search($class, $this->_observers);
// Ensure the SSO plug-in is still available
if ($index !== false && method_exists($this->_observers[$index], 'logoutRemoteUser')) {
$this->_observers[$index]->logoutRemoteUser();
}
}
}
