/**
* Sets CSRF value and returns the login URL.
*
* @param array $options
*
* @return string
*
* @see League\OAuth2\Client\Provider\AbstractProvider::getAuthorizationUrl()
*/
public function getLoginUrl(array $options = [])
{
$url = $this->provider->getAuthorizationUrl($options);
$this->store->set('oauth2state', $this->provider->getState());
return $url;
}