/**
* Gets the generated redirect message from setMessage()
*
* @return array|null
* @throws \Exception
*/
public function getMessage()
{
$param = $this->sessionHandler->get('redirect_message');
if (isset($param) && is_array($param)) {
$this->sessionHandler->remove('redirect_message');
}
return $param;
}
/**
* @inheritdoc
*/
public function authenticate()
{
$userData = 0;
if ($this->sessionHandler->has(AuthenticationModel::AUTH_NAME)) {
$userData = $this->sessionHandler->get(AuthenticationModel::AUTH_NAME, []);
} elseif ($this->request->getCookies()->has(AuthenticationModel::AUTH_NAME)) {
list($userId, $token) = explode('|', $this->request->getCookies()->get(AuthenticationModel::AUTH_NAME, ''));
$userData = $this->verifyCredentials($userId, $token);
}
$this->authenticationModel->authenticate($userData);
}
/**
* @param string $path
*
* @return \Symfony\Component\HttpFoundation\Response
*/
public function execute($path)
{
$this->response->headers->set('Content-type', 'image/gif');
$this->response->headers->addCacheControlDirective('no-cache', true);
$this->response->headers->addCacheControlDirective('must-revalidate', true);
$this->response->headers->add(['Expires' => 'Mon, 26 Jul 1997 05:00:00 GMT']);
if ($this->sessionHandler->has('captcha_' . $path)) {
$this->generateCaptcha($this->sessionHandler->get('captcha_' . $path));
}
return $this->response;
}
/**
* Removes the form token from the session
*
* @param string $token
*/
public function unsetFormToken($token = '')
{
$tokenName = Core\Session\SessionHandlerInterface::XSRF_TOKEN_NAME;
if (empty($token) && $this->request->getPost()->has($tokenName)) {
$token = $this->request->getPost()->get($tokenName, '');
}
if (!empty($token)) {
$sessionToken = $this->sessionHandler->get($tokenName);
if (!empty($sessionToken)) {
$this->sessionHandler->remove($tokenName);
}
}
}
/**
* @inheritdoc
*/
public function isValid($data, $field = '', array $extra = [])
{
$tokenName = SessionHandlerInterface::XSRF_TOKEN_NAME;
$sessionToken = $this->sessionHandler->get($tokenName, '');
return $this->request->getPost()->get($tokenName, '') === $sessionToken;
}
/**
* @param string $value
* @param string $path
* @return bool
*/
protected function checkCaptcha($value, $path)
{
$indexName = 'captcha_' . sha1($this->router->route(empty($path) === true ? $this->request->getQuery() : $path));
return preg_match('/^[a-zA-Z0-9]+$/', $value) && strtolower($value) === strtolower($this->sessionHandler->get($indexName, ''));
}