/**
* 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.modules.nukehandler.actions;
import cu.ftpd.Connection;
import cu.ftpd.Server;
import cu.ftpd.ServiceManager;
import cu.ftpd.commands.site.actions.Action;
import cu.ftpd.filesystem.FileSystem;
import cu.ftpd.filesystem.permissions.ActionPermission;
import cu.ftpd.logging.Formatter;
import cu.ftpd.modules.nukehandler.NukeException;
import cu.ftpd.modules.nukehandler.NukeHandler;
import cu.ftpd.user.User;
import cu.ftpd.user.userbases.NoSuchUserException;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.security.AccessControlException;
/**
* @author Markus Jevring <markus@jevring.net>
* @since 2007-okt-26 : 23:28:31
* @version $Id: Nuke.java 258 2008-10-26 12:47:23Z jevring $
*/
public class Nuke extends Action {
private final NukeHandler nukeHandler;
protected final boolean nuke;
public Nuke(NukeHandler nukeHandler, boolean nuke) {
super((nuke ? "nuke" : "unnuke"));
this.nukeHandler = nukeHandler;
this.nuke = nuke;
}
public void execute(String[] parameterList, Connection connection, User user, FileSystem fs) {
String ftpPathToTarget = fs.resolveFtpPath(parameterList[1]);
if (!ServiceManager.getServices().getPermissions().hasPermission(ActionPermission.NUKE, ftpPathToTarget, user)) {
connection.respond("531 Permission denied");
} else {
// Note: both this and the multiplier for just nuke is very ugly. maybe look over it? (same as with the search and other string-based stuff.)
try {
boolean ok;
if (nuke) {
ok = nuke(parameterList, connection, fs, user);
} else {
ok = unnuke(parameterList, fs, user);
}
if (ok) {
connection.respond("200 Command successful.");
} else {
connection.respond("500 Command failed.");
}
} catch (AccessControlException e) {
connection.respond("531 Permission denied");
} catch (FileNotFoundException e) {
connection.respond("500 " + e.getMessage());
} catch (IOException e) {
connection.respond("500 " + e.getMessage());
} catch (NukeException e) {
connection.respond("500 " + e.getMessage());
}
}
}
private boolean nuke(String[] parameterList, Connection connection, FileSystem fs, User user) throws FileNotFoundException, NukeException {
int multiplier = -1;
try {
multiplier = Integer.parseInt(parameterList[2]);
} catch (NumberFormatException e) {}
if (multiplier < 0) {
connection.respond("500- " + parameterList[2] + " is not a valid multiplier");
return false;
} else {
return nukeHandler.nuke(fs.getRealParentWorkingDirectoryPath(), fs.getCurrentSection().getName(), parameterList[1], multiplier, user.getUsername(), Formatter.join(parameterList, 3, parameterList.length, " "));
}
}
private boolean unnuke(String[] parameterList, FileSystem fs, User user) throws IOException, NukeException {
return nukeHandler.unnuke(fs.getRealParentWorkingDirectoryPath(), fs.getCurrentSection().getName(), parameterList[1], user.getUsername(), Formatter.join(parameterList, 2, parameterList.length, " "));
}
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;
}
}