/**
* Copyright (c) 2007, Markus Jevring <markus@jevring.net>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The names of the contributors may not be used to endorse or promote
* products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*/
package cu.ftpd.user.userbases.actions;
import cu.ftpd.Connection;
import cu.ftpd.Server;
import cu.ftpd.ServiceManager;
import cu.ftpd.logging.Formatter;
import cu.ftpd.filesystem.FileSystem;
import cu.ftpd.user.User;
import cu.ftpd.user.UserPermission;
import cu.ftpd.user.userbases.NoSuchUserException;
import java.util.Set;
/**
* @author Markus Jevring <markus@jevring.net>
* @since 2008-jan-28 - 19:50:30
* @version $Id: XWho.java 312 2011-09-03 16:00:17Z jevring $
*/
public class XWho extends UserbaseAction {
// connectionId, username, idletime, command/idle
private static final String lineFormat = "200- %8s %-16s %-12s %-40s %-40s";
public XWho() {
super("xwho");
}
public void execute(String[] parameterList, Connection connection, User user, FileSystem fs) {
if (user.hasPermission(UserPermission.KICK)) {
Set<Connection> conns = Server.getInstance().getConnections();
connection.respond(String.format(lineFormat, "Id", "Username", "Idletime", "ident@host", "Command"));
synchronized(conns) {
for (Connection c : conns) {
User u = c.getUser();
if (c.isUploading() || c.isDownloading()) {
connection.respond(String.format(lineFormat, c.getConnectionId(), (u == null ? "n/a" : u.getUsername()), c.getIdleTime(), c.getIdent() + "@" + c.getHost(), c.getLastCommand() + " @ " + Formatter.speedFromKBps(c.getCurrentSpeed())));
} else {
connection.respond(String.format(lineFormat, c.getConnectionId(), (u == null ? "n/a" : u.getUsername()), c.getIdleTime(), c.getIdent() + "@" + c.getHost(), "Idle"));
}
}
connection.respond("200 xwho");
}
} else {
connection.respond("531 Permission denied.");
}
}
protected boolean currentUserIsGadminForUser(String username, User user) {
try {
User u = ServiceManager.getServices().getUserbase().getUser(username);
//current user is gadmin for any of the groups the specified user is a member of
for (String gadminGroup : user.getGadminGroups()) { // this is generally a smaller set, so it makes sense to go over that first, since we abort early
if (u.isMemberOfGroup(gadminGroup)) {
return true;
}
}
} catch (NoSuchUserException e) {
// you can't be the gadmin of a user that doesn't exist
}
return false;
}
}