code: protected function compile()
  	{
  		$this->import(BackendUser::class, 'User');
  
  		$container = System::getContainer();
  		$ref = $container->get('request_stack')->getCurrentRequest()->attributes->get('_contao_referer_id');
  		$return = $container->get('router')->generate('contao_backend', array('do'=>'security', 'ref'=>$ref));
  		$user = BackendUser::getInstance();
  
  		// Inform the user if 2FA is enforced
  		if (!$user->useTwoFactor && empty($_GET['act']) && $container->getParameter('contao.security.two_factor.enforce_backend'))
  		{
  			Message::addInfo($GLOBALS['TL_LANG']['MSC']['twoFactorEnforced']);
  		}
  
  		$this->Template->href = $this->getReferer(true);
  		$this->Template->title = StringUtil::specialchars($GLOBALS['TL_LANG']['MSC']['backBTTitle']);
  		$this->Template->button = $GLOBALS['TL_LANG']['MSC']['backBT'];
  		$this->Template->ref = $ref;
  		$this->Template->action = Environment::get('indexFreeRequest');
  		$this->Template->messages = Message::generateUnwrapped();
  
  		if (Input::get('act') == 'enable')
  		{
  			$this->enableTwoFactor($user, $return);
  		}
  
  		if (Input::post('FORM_SUBMIT') == 'tl_two_factor_disable')
  		{
  			$this->disableTwoFactor($user, $return);
  		}
  
  		$this->Template->isEnabled = $this->User->useTwoFactor;
  		$this->Template->twoFactor = $GLOBALS['TL_LANG']['MSC']['twoFactorAuthentication'];
  		$this->Template->explain = $GLOBALS['TL_LANG']['MSC']['twoFactorExplain'];
  		$this->Template->active = $GLOBALS['TL_LANG']['MSC']['twoFactorActive'];
  		$this->Template->enableButton = $GLOBALS['TL_LANG']['MSC']['enable'];
  		$this->Template->disableButton = $GLOBALS['TL_LANG']['MSC']['disable'];
  	}
docs: Generate the module