Method getCredentials

/**
 * Method to return the array of client layer configuration options
 *
 * @param   string   $client  Client name, currently only 'ftp' is supported
 * @param   boolean  $force   Forces re-creation of the login credentials. Set this to
 *                            true if login credentials in the session storage have changed
 *
 * @return  array    Client layer configuration options, consisting of at least
 *                   these fields: enabled, host, port, user, pass, root
 *
 * @since   1.7.0
 */
public static function getCredentials($client, $force = false)
{
    static $credentials = array();
    $client = strtolower($client);
    if (!isset($credentials[$client]) || $force) {
        $app = Factory::getApplication();
        // Fetch the client layer configuration options for the specific client
        switch ($client) {
            case 'ftp':
                $options = array('enabled' => $app->get('ftp_enable'), 'host' => $app->get('ftp_host'), 'port' => $app->get('ftp_port'), 'user' => $app->get('ftp_user'), 'pass' => $app->get('ftp_pass'), 'root' => $app->get('ftp_root'));
                break;
            default:
                $options = array('enabled' => false, 'host' => '', 'port' => '', 'user' => '', 'pass' => '', 'root' => '');
                break;
        }
        // If user and pass are not set in global config lets see if they are in the session
        if ($options['enabled'] == true && ($options['user'] == '' || $options['pass'] == '')) {
            $session = Factory::getSession();
            $options['user'] = $session->get($client . '.user', null, 'JClientHelper');
            $options['pass'] = $session->get($client . '.pass', null, 'JClientHelper');
        }
        // If user or pass are missing, disable this client
        if ($options['user'] == '' || $options['pass'] == '') {
            $options['enabled'] = false;
        }
        // Save the credentials for later use
        $credentials[$client] = $options;
    }
    return $credentials[$client];
}