001/*
002 * Copyright (C) 2012 eXo Platform SAS.
003 *
004 * This is free software; you can redistribute it and/or modify it
005 * under the terms of the GNU Lesser General Public License as
006 * published by the Free Software Foundation; either version 2.1 of
007 * the License, or (at your option) any later version.
008 *
009 * This software is distributed in the hope that it will be useful,
010 * but WITHOUT ANY WARRANTY; without even the implied warranty of
011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
012 * Lesser General Public License for more details.
013 *
014 * You should have received a copy of the GNU Lesser General Public
015 * License along with this software; if not, write to the Free
016 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
017 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
018 */
019package org.crsh.ssh.term;
020
021import org.apache.sshd.server.Environment;
022
023import java.io.IOException;
024import java.security.Principal;
025
026public class CRaSHCommand extends AbstractCommand implements Runnable {
027
028  /** . */
029  private final CRaSHCommandFactory factory;
030
031  /** . */
032  private Thread thread;
033
034  public CRaSHCommand(CRaSHCommandFactory factory) {
035    this.factory = factory;
036  }
037
038  /** . */
039  private SSHContext context;
040
041  /** . */
042  private SSHIO io;
043
044  public void start(Environment env) throws IOException {
045
046    //
047    context = new SSHContext(env);
048    io = new SSHIO(this);
049
050    //
051    thread = new Thread(this, "CRaSH");
052    thread.start();
053  }
054
055  public SSHContext getContext() {
056    return context;
057  }
058
059  public void destroy() {
060    io.closed.set(true);
061    thread.interrupt();
062  }
063
064  public void run() {
065    try {
066      final String userName = session.getAttribute(SSHLifeCycle.USERNAME);
067      Principal user = new Principal() {
068        public String getName() {
069          return userName;
070        }
071      };
072      factory.handler.handle(io, user);
073    } finally {
074      callback.onExit(0);
075    }
076  }
077}
078
079