TYPO3 Extbase TSFE in CommandController

<?php
namespace SMS\Importer\Command;

use TYPO3\CMS\Core\TimeTracker\TimeTracker;
use TYPO3\CMS\Core\Utility\GeneralUtility;
use TYPO3\CMS\Extbase\Mvc\Controller\CommandController;
use TYPO3\CMS\Frontend\Controller\TypoScriptFrontendController;
use TYPO3\CMS\Frontend\ContentObject\ContentObjectRenderer;

require_once(PATH_tslib . 'class.tslib_fe.php');
require_once(PATH_t3lib . 'class.t3lib_userauth.php');
require_once(PATH_tslib . 'class.tslib_feuserauth.php');
require_once(PATH_t3lib . 'class.t3lib_cs.php');
require_once(PATH_tslib . 'class.tslib_content.php');
require_once(PATH_t3lib . 'class.t3lib_tstemplate.php');
require_once(PATH_t3lib . 'class.t3lib_page.php');

/**
 * Class FrontendEnabledCommandController
 *
 * @package SMS\Importer\Command
 * @@author Thorsten Kohpeiß <kohpeiss@sitegeist.de>
 */
class FrontendEnabledCommandController extends CommandController {

    public function __construct() {
        $this->buildTSFE();
    }

    public function buildTSFE($pid = 1) {
        if (!is_object($GLOBALS['TT'])) {
            $GLOBALS['TT'] = new TimeTracker();
            $GLOBALS['TT']->start();
        }

        $GLOBALS['TSFE'] = new TypoScriptFrontendController($GLOBALS['TYPO3_CONF_VARS'], $pid, '0', 1, '', '', '', '');
        $GLOBALS['TSFE']->connectToDB();
        $GLOBALS['TSFE']->initFEuser();
        $GLOBALS['TSFE']->fetch_the_id();
        $GLOBALS['TSFE']->getPageAndRootline();
        $GLOBALS['TSFE']->initTemplate();
        $GLOBALS['TSFE']->tmpl->getFileName_backPath = PATH_site;
        $GLOBALS['TSFE']->forceTemplateParsing = 1;
        $GLOBALS['TSFE']->getConfigArray();
        $GLOBALS['TSFE']->cObj = new ContentObjectRenderer();
    }

    public function getLinkToPage($uid) {
        $uid = intval($uid);

        if ($uid > 0) {
            $typolinkConf = array(
                'parameter' => $uid
            );
            $url = $GLOBALS['TSFE']->cObj->typoLink_URL($typolinkConf);
            if ($url == '') {
                $url = '/';
            }
        } else {
            throw new \InvalidArgumentException('$uid must be an integer > 0', 123);
        }

        return $url;
    }
}