protected function enableTwoFactor(BackendUser $user, $return)
	{
		// Return if 2FA is enabled already
		if ($user->useTwoFactor)
		{
			return;
		}

		$container = System::getContainer();
		$verifyHelp = $GLOBALS['TL_LANG']['MSC']['twoFactorVerificationHelp'];

		/** @var Authenticator $authenticator */
		$authenticator = $container->get('contao.security.two_factor.authenticator');

		// Validate the verification code
		if (Input::post('FORM_SUBMIT') == 'tl_two_factor')
		{
			if ($authenticator->validateCode($user, Input::post('verify')))
			{
				// Enable 2FA
				$user->useTwoFactor = '1';
				$user->save();

				throw new RedirectResponseException($return);
			}

			$this->Template->error = true;
			$verifyHelp = $GLOBALS['TL_LANG']['ERR']['invalidTwoFactor'];
		}

		// Generate the secret
		if (!$user->secret)
		{
			$user->secret = random_bytes(128);
			$user->save();
		}

		/** @var Request $request */
		$request = $container->get('request_stack')->getCurrentRequest();

		$this->Template->enable = true;
		$this->Template->secret = Base32::encodeUpperUnpadded($user->secret);
		$this->Template->textCode = $GLOBALS['TL_LANG']['MSC']['twoFactorTextCode'];
		$this->Template->qrCode = base64_encode($authenticator->getQrCode($user, $request));
		$this->Template->scan = $GLOBALS['TL_LANG']['MSC']['twoFactorScan'];
		$this->Template->verify = $GLOBALS['TL_LANG']['MSC']['twoFactorVerification'];
		$this->Template->verifyHelp = $verifyHelp;
	}
protected function enableTwoFactor(BackendUser $user, $return)
	{
		
		if ($user->useTwoFactor)
		{
			return;
		}

		$container = System::getContainer();
		$verifyHelp = $GLOBALS['TL_LANG']['MSC']['twoFactorVerificationHelp'];

		
		$authenticator = $container->get('contao.security.two_factor.authenticator');

		
		if (Input::post('FORM_SUBMIT') == 'tl_two_factor')
		{
			if ($authenticator->validateCode($user, Input::post('verify')))
			{
				
				$user->useTwoFactor = '1';
				$user->save();

				throw new RedirectResponseException($return);
			}

			$this->Template->error = true;
			$verifyHelp = $GLOBALS['TL_LANG']['ERR']['invalidTwoFactor'];
		}

		
		if (!$user->secret)
		{
			$user->secret = random_bytes(128);
			$user->save();
		}

		
		$request = $container->get('request_stack')->getCurrentRequest();

		$this->Template->enable = true;
		$this->Template->secret = Base32::encodeUpperUnpadded($user->secret);
		$this->Template->textCode = $GLOBALS['TL_LANG']['MSC']['twoFactorTextCode'];
		$this->Template->qrCode = base64_encode($authenticator->getQrCode($user, $request));
		$this->Template->scan = $GLOBALS['TL_LANG']['MSC']['twoFactorScan'];
		$this->Template->verify = $GLOBALS['TL_LANG']['MSC']['twoFactorVerification'];
		$this->Template->verifyHelp = $verifyHelp;
	}
protected function enableTwoFactor ( BackendUser $ user , $ return ) { // Return if 2FA is enabled already if ( $ user -> useTwoFactor ) { return ; } $ container = System :: getContainer ( ) ; $ verifyHelp = $ GLOBALS [ 'TL_LANG' ] [ 'MSC' ] [ 'twoFactorVerificationHelp' ] ; /** @var Authenticator $authenticator */ $ authenticator = $ container -> get ( 'contao.security.two_factor.authenticator' ) ; // Validate the verification code if ( Input :: post ( 'FORM_SUBMIT' ) == 'tl_two_factor' ) { if ( $ authenticator -> validateCode ( $ user , Input :: post ( 'verify' ) ) ) { // Enable 2FA $ user -> useTwoFactor = '1' ; $ user -> save ( ) ; throw new RedirectResponseException ( $ return ) ; } $ this -> Template -> error = true ; $ verifyHelp = $ GLOBALS [ 'TL_LANG' ] [ 'ERR' ] [ 'invalidTwoFactor' ] ; } // Generate the secret if ( ! $ user -> secret ) { $ user -> secret = random_bytes ( 128 ) ; $ user -> save ( ) ; } /** @var Request $request */ $ request = $ container -> get ( 'request_stack' ) -> getCurrentRequest ( ) ; $ this -> Template -> enable = true ; $ this -> Template -> secret = Base32 :: encodeUpperUnpadded ( $ user -> secret ) ; $ this -> Template -> textCode = $ GLOBALS [ 'TL_LANG' ] [ 'MSC' ] [ 'twoFactorTextCode' ] ; $ this -> Template -> qrCode = base64_encode ( $ authenticator -> getQrCode ( $ user , $ request ) ) ; $ this -> Template -> scan = $ GLOBALS [ 'TL_LANG' ] [ 'MSC' ] [ 'twoFactorScan' ] ; $ this -> Template -> verify = $ GLOBALS [ 'TL_LANG' ] [ 'MSC' ] [ 'twoFactorVerification' ] ; $ this -> Template -> verifyHelp = $ verifyHelp ; }
Enable two-factor authentication

@param BackendUser $user
@param string      $return
Enable two - factor authentication