thetool/application/UserTwofactor/UserTwofactor.php

<?php

class UserTwofactor
{
    private $UserId;
    private $Verification;


    function __construct($UserId)
    {
        $this->UserId = $UserId;
        $this->getVerification();
    }

    public function setVerification($verification)
    {
        $this->Verification = $verification;
    }

    protected function apiAction()
    {
        $do = $this->request->do;
        $codetype = $this->request->twofactor;
        switch ($do) {
            case "sendcode":
                $return = $this->sendCode();
                break;
            case "checkverfication":
                $return = $this->checkVerfication();
                break;
            default:
                $return = false;
        }


    }

    private function getVerification()
    {
        $id = $this->UserId;
        $User = new User($id);
        $this->Verification = $User->twofactor;
    }

    private function checkVerfication()
    {
        $this->getVerification();
        $response['data']['verficationtype'] = $this->Verification;
        $response['success'] = "true";

        echo json_encode($response);
        exit;
    }

    public function sendCode()
    {
        $code = rand(0, 99999);
        $code = str_pad($code, 5, 0, STR_PAD_LEFT);
        $verification = $this->Verification;
        $id = $this->UserId;
        $User = new User($id);
        $emailaddress = $User->email;
        $mobile = str_replace('+', '', $User->mobile);

        $data = [];
        $data['twofactorcode'] = $code;
        $data['twofactortimestamp'] = time();
        $User->update($data);
        $User->save();
        if ($verification == 1) {
            $fromMail = TT_OUTGOING_EMAIL_2FA;
            $fromName = TT_OUTGOING_EMAIL_2FA_NAME;

            $email = new Emailnotification();
            $email->setSubject('Authentifizierungscode');
            $email->setFrom($fromMail, $fromName);
            $email->setBody($code);
            $email->setTo($emailaddress);
            $email->send();
        } else if ($verification == 2) {
            $sms = new SmsNotification();
            $sms->setBody('Xinon 2FA Code: ' . $code);
            $sms->setRecipient($mobile);
            $sms->send();
        }

    }
}