/**
* Validates any CSRF parameters.
*
* @throws CsrfException
*/
protected function validateCsrf()
{
if (empty($this->getInput('state')) || $this->getInput('state') !== $this->store->get('oauth2state')) {
$this->store->set('oauth2state', null);
throw new CsrfException('Invalid state');
}
return;
}
