/**
* {@inheritdoc}
*/
public function authenticate(Request $request)
{
// Global $user is deprecated, but the session system is still based on it.
global $user;
$this->sessionManager->start();
if ($this->sessionManager->isStarted()) {
return $user;
}
return NULL;
}
/**
* {@inheritdoc}.
*/
public function buildForm(array $form, FormStateInterface $form_state)
{
// Start a manual session for anonymous users.
if ($this->currentUser->isAnonymous() && !isset($_SESSION['multistep_form_holds_session'])) {
$_SESSION['multistep_form_holds_session'] = true;
$this->sessionManager->start();
}
$form = array();
$form['actions']['#type'] = 'actions';
$form['actions']['submit'] = array('#type' => 'submit', '#value' => $this->t('Submit'), '#button_type' => 'primary', '#weight' => 10);
return $form;
}
/**
* Set header for session testing.
*
* @param \Symfony\Component\HttpKernel\Event\GetResponseEvent $event
* The Event to process.
*/
public function onKernelRequestSessionTest(GetResponseEvent $event)
{
$this->emptySession = (int) (!$this->sessionManager->start());
}
