elseif($args["action"] == "list-ftp") {

            // get ftp details
            $queryBuilder = GeneralUtility::makeInstance(ConnectionPool::class)->getQueryBuilderForTable('tx_suhnersn_downloads_ftps');
            $ftp = $queryBuilder
                ->select('*')
                ->from('tx_suhnersn_downloads_ftps')
                ->where(
                   $queryBuilder->expr()->eq('uid', $queryBuilder->createNamedParameter($args["ftp_id"]))
                )
                ->execute()
                ->fetch();

            try {
                set_time_limit(5);
                ini_set('max_execution_time', 5);


                // set up basic SSL connection
                $ftp_conn = ftp_ssl_connect($ftp["host"], 990) or die("Could not connect to ".$ftp["host"]);

                // login
                $login = ftp_login($ftp_conn, $ftp["username"], $ftp["password"]);

                // if login successful
                if($login) {
//                    echo "[".date("H:i:s")."] "."Login successful."."<br />";

                    $path = $ftp["remote_path"];
                    if($args["ftp_dir"]) { $path = $args["ftp_dir"]; }

                    $contents = ftp_rawlist($ftp_conn, $path);
                    if(is_array($contents)) {

                        echo "<ul>";
                        $items = array();
                        $i = 0;
                        foreach ($contents as $content) {
                            $i++;

                            $chunks = preg_split("/\s+/", $content);

                            // skip parent directories
                            if(!($chunks[8] == "." || $chunks[8] == ".." || $chunks[8] == ".htaccess")) {

                                // put everything in associative array
                                $items[$i]["permissions"] = $chunks[0];
                                $items[$i]["owner"] = $chunks[2];
                                $items[$i]["file_name"] = $chunks[8];

                                echo "<li>";
                                echo '<a class="goto-ftp-dir" href="#ftp:">';
                                echo "<span class=\"t3js-icon icon icon-size-small icon-state-default apps-filetree-folder-default\" data-identifier=\"apps-filetree-folder-default\">
                                        <span class=\"icon-markup\">
                                            <img src=\"/typo3/sysext/core/Resources/Public/Icons/T3Icons/apps/apps-filetree-folder-default.svg\" width=\"16\" height=\"16\">
                                        </span>
                                    </span> ";
                                echo $chunks[8];
                                echo "</a>";
                                echo "</li>";
                            }

                        }
                        echo "</ul>";
                    }
                    else {
                        echo "[".date("H:i:s")."] "."File listing failed.";
                    }
                }
                else {
                    echo "[".date("H:i:s")."] "."Login failed.";
                }

                // close SSL connection
                ftp_close($ftp_conn);

            } catch (Exception $e) {
                echo 'Exception abgefangen: ',  $e->getMessage(), "\n";
            }
        }