| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| package org.apache.ftpserver.command.impl; |
| |
| import java.io.IOException; |
| import java.net.InetSocketAddress; |
| import java.util.Iterator; |
| import java.util.Map; |
| |
| import org.apache.ftpserver.command.AbstractCommand; |
| import org.apache.ftpserver.ftplet.DefaultFtpReply; |
| import org.apache.ftpserver.ftplet.FtpException; |
| import org.apache.ftpserver.ftplet.FtpReply; |
| import org.apache.ftpserver.ftplet.FtpRequest; |
| import org.apache.ftpserver.ftplet.User; |
| import org.apache.ftpserver.ftplet.UserManager; |
| import org.apache.ftpserver.impl.FtpIoSession; |
| import org.apache.ftpserver.impl.FtpServerContext; |
| import org.apache.ftpserver.impl.LocalizedFtpReply; |
| import org.apache.ftpserver.util.DateUtils; |
| import org.apache.ftpserver.util.StringUtils; |
| import org.apache.mina.core.session.IoSession; |
| |
| /** |
| * <strong>Internal class, do not use directly.</strong> |
| * |
| * Sends the list of all the connected users. |
| * |
| * @author <a href="http://mina.apache.org">Apache MINA Project</a> |
| */ |
| public class SITE_WHO extends AbstractCommand { |
| |
| /** |
| * Execute command. |
| */ |
| public void execute(final FtpIoSession session, |
| final FtpServerContext context, final FtpRequest request) |
| throws IOException, FtpException { |
| |
| // reset state variables |
| session.resetState(); |
| |
| // only administrator can execute this |
| UserManager userManager = context.getUserManager(); |
| boolean isAdmin = userManager.isAdmin(session.getUser().getName()); |
| if (!isAdmin) { |
| session.write(LocalizedFtpReply.translate(session, request, context, |
| FtpReply.REPLY_530_NOT_LOGGED_IN, "SITE", null)); |
| return; |
| } |
| |
| // print all the connected user information |
| StringBuffer sb = new StringBuffer(); |
| |
| Map<Long, IoSession> sessions = session.getService() |
| .getManagedSessions(); |
| |
| sb.append('\n'); |
| Iterator<IoSession> sessionIterator = sessions.values().iterator(); |
| |
| while (sessionIterator.hasNext()) { |
| FtpIoSession managedSession = new FtpIoSession(sessionIterator |
| .next(), context); |
| |
| if (!managedSession.isLoggedIn()) { |
| continue; |
| } |
| |
| User tmpUsr = managedSession.getUser(); |
| sb.append(StringUtils.pad(tmpUsr.getName(), ' ', true, 16)); |
| |
| if (managedSession.getRemoteAddress() instanceof InetSocketAddress) { |
| sb.append(StringUtils.pad(((InetSocketAddress) managedSession |
| .getRemoteAddress()).getAddress().getHostAddress(), |
| ' ', true, 16)); |
| } |
| sb.append(StringUtils.pad(DateUtils.getISO8601Date(managedSession |
| .getLoginTime().getTime()), ' ', true, 20)); |
| sb.append(StringUtils.pad(DateUtils.getISO8601Date(managedSession |
| .getLastAccessTime().getTime()), ' ', true, 20)); |
| sb.append('\n'); |
| } |
| sb.append('\n'); |
| session.write(new DefaultFtpReply(FtpReply.REPLY_200_COMMAND_OKAY, sb |
| .toString())); |
| } |
| |
| } |