Contao\ModuleLogin::generate PHP Метод

    public function generate()
    {
        if (TL_MODE == 'BE') {
            /** @var BackendTemplate|object $objTemplate */
            $objTemplate = new \BackendTemplate('be_wildcard');
            $objTemplate->wildcard = '### ' . Utf8::strtoupper($GLOBALS['TL_LANG']['FMD']['login'][0]) . ' ###';
            $objTemplate->title = $this->headline;
            $objTemplate->id = $this->id;
            $objTemplate->link = $this->name;
            $objTemplate->href = 'contao/main.php?do=themes&table=tl_module&act=edit&id=' . $this->id;
            return $objTemplate->parse();
        }
        // Set the last page visited
        if (!$_POST && $this->redirectBack) {
            $_SESSION['LAST_PAGE_VISITED'] = $this->getReferer();
        }
        // Login
        if (\Input::post('FORM_SUBMIT') == 'tl_login_' . $this->id) {
            // Check whether username and password are set
            if (empty($_POST['username']) || empty($_POST['password'])) {
                \System::getContainer()->get('session')->getFlashBag()->set($this->strFlashType, $GLOBALS['TL_LANG']['MSC']['emptyField']);
                $this->reload();
            }
            $this->import('FrontendUser', 'User');
            $strRedirect = \Environment::get('request');
            // Redirect to the last page visited
            if ($this->redirectBack && $_SESSION['LAST_PAGE_VISITED'] != '') {
                $strRedirect = $_SESSION['LAST_PAGE_VISITED'];
            } else {
                // Redirect to the jumpTo page
                if ($this->jumpTo && ($objTarget = $this->objModel->getRelated('jumpTo')) instanceof PageModel) {
                    /** @var PageModel $objTarget */
                    $strRedirect = $objTarget->getFrontendUrl();
                }
                // Overwrite the jumpTo page with an individual group setting
                $objMember = \MemberModel::findByUsername(\Input::post('username'));
                if ($objMember !== null) {
                    $arrGroups = \StringUtil::deserialize($objMember->groups);
                    if (!empty($arrGroups) && is_array($arrGroups)) {
                        $objGroupPage = \PageModel::findFirstActiveByMemberGroups($arrGroups);
                        if ($objGroupPage !== null) {
                            $strRedirect = $objGroupPage->getFrontendUrl();
                        }
                    }
                }
            }
            // Auto login is not allowed
            if (isset($_POST['autologin']) && !$this->autologin) {
                unset($_POST['autologin']);
                \Input::setPost('autologin', null);
            }
            // Login and redirect
            if ($this->User->login()) {
                $this->redirect($strRedirect);
            }
            $this->reload();
        }
        // Logout and redirect to the website root if the current page is protected
        if (\Input::post('FORM_SUBMIT') == 'tl_logout_' . $this->id) {
            /** @var PageModel $objPage */
            global $objPage;
            $this->import('FrontendUser', 'User');
            $strRedirect = \Environment::get('request');
            // Redirect to last page visited
            if ($this->redirectBack && strlen($_SESSION['LAST_PAGE_VISITED'])) {
                $strRedirect = $_SESSION['LAST_PAGE_VISITED'];
            } elseif ($objPage->protected) {
                $strRedirect = \Environment::get('base');
            }
            // Logout and redirect
            if ($this->User->logout()) {
                $this->redirect($strRedirect);
            }
            $this->reload();
        }
        return parent::generate();
    }