/*
* Copyright (C) 2009 eXo Platform SAS.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.exoplatform.services.ftp.command;
import org.exoplatform.services.ftp.FtpConst;
import org.exoplatform.services.ftp.data.FtpDataTransiver;
import java.io.IOException;
/**
* Created by The eXo Platform SAS Author : Vitaly Guly <gavrik-vetal@ukr.net/mail.ru>
*
* @version $Id: $
*/
public class CmdPasv extends FtpCommandImpl
{
public CmdPasv()
{
commandName = FtpConst.Commands.CMD_PASV;
}
public void run(String[] params) throws IOException
{
FtpDataTransiver transiver =
clientSession().getFtpServer().getDataChannelManager().getDataTransiver(clientSession());
if (transiver == null)
{
reply(FtpConst.Replyes.REPLY_421_DATA);
return;
}
clientSession().setDataTransiver(transiver);
StringBuilder serverLocation = new StringBuilder(clientSession().getServerIp().replace('.', ','));
int dataPort = transiver.getDataPort();
int high = dataPort / 256;
int low = dataPort % 256;
serverLocation.append(String.format(",%s,%s", high, low));
reply(String.format(FtpConst.Replyes.REPLY_227, serverLocation.toString()));
}
}