public static function get_hub_info() {
        $info = self::call('hub_get_info', [], true);
        $info['imgurl'] = new moodle_url(HUB_MOODLEORGHUBURL . '/local/hub/webservice/download.php',
            ['filetype' => self::HUB_HUBSCREENSHOT_FILE_TYPE]);
        return $info;
    }