/*
* 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;
import java.io.IOException;
import org.apache.ftpserver.ftplet.FileObject;
import org.apache.ftpserver.ftplet.FtpException;
import org.apache.ftpserver.ftplet.FtpReply;
import org.apache.ftpserver.ftplet.FtpRequest;
import org.apache.ftpserver.ftplet.Ftplet;
import org.apache.ftpserver.ftplet.FtpletEnum;
import org.apache.ftpserver.interfaces.FtpIoSession;
import org.apache.ftpserver.interfaces.FtpServerContext;
import org.apache.ftpserver.interfaces.ServerFtpStatistics;
import org.apache.ftpserver.util.FtpReplyUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* <code>RMD <SP> <pathname> <CRLF></code><br>
*
* This command causes the directory specified in the pathname
* to be removed as a directory (if the pathname is absolute)
* or as a subdirectory of the current working directory (if
* the pathname is relative).
*/
public
class RMD extends AbstractCommand {
private final Logger LOG = LoggerFactory.getLogger(RMD.class);
/**
* Execute command.
*/
public void execute(final FtpIoSession session,
final FtpServerContext context,
final FtpRequest request) throws IOException, FtpException {
// reset state variables
session.resetState();
// argument check
String fileName = request.getArgument();
if(fileName == null) {
session.write(FtpReplyUtil.translate(session, request, context, FtpReply.REPLY_501_SYNTAX_ERROR_IN_PARAMETERS_OR_ARGUMENTS, "RMD", null));
return;
}
// call Ftplet.onRmdirStart() method
Ftplet ftpletContainer = context.getFtpletContainer();
FtpletEnum ftpletRet;
try{
ftpletRet = ftpletContainer.onRmdirStart(session.getFtpletSession(), request);
} catch(Exception e) {
LOG.debug("Ftplet container threw exception", e);
ftpletRet = FtpletEnum.RET_DISCONNECT;
}
if(ftpletRet == FtpletEnum.RET_SKIP) {
return;
}
else if(ftpletRet == FtpletEnum.RET_DISCONNECT) {
session.closeOnFlush().awaitUninterruptibly(10000);
return;
}
// get file object
FileObject file = null;
try {
file = session.getFileSystemView().getFileObject(fileName);
}
catch(Exception ex) {
LOG.debug("Exception getting file object", ex);
}
if(file == null) {
session.write(FtpReplyUtil.translate(session, request, context, FtpReply.REPLY_550_REQUESTED_ACTION_NOT_TAKEN, "RMD.permission", fileName));
return;
}
// check permission
fileName = file.getFullName();
if( !file.hasDeletePermission() ) {
session.write(FtpReplyUtil.translate(session, request, context, FtpReply.REPLY_550_REQUESTED_ACTION_NOT_TAKEN, "RMD.permission", fileName));
return;
}
// check file
if(!file.isDirectory()) {
session.write(FtpReplyUtil.translate(session, request, context, FtpReply.REPLY_550_REQUESTED_ACTION_NOT_TAKEN, "RMD.invalid", fileName));
return;
}
// now delete directory
if(file.delete()) {
session.write(FtpReplyUtil.translate(session, request, context, FtpReply.REPLY_250_REQUESTED_FILE_ACTION_OKAY, "RMD", fileName));
// write log message
String userName = session.getUser().getName();
LOG.info("Directory remove : " + userName + " - " + fileName);
// notify statistics object
ServerFtpStatistics ftpStat = (ServerFtpStatistics)context.getFtpStatistics();
ftpStat.setRmdir(session, file);
// call Ftplet.onRmdirEnd() method
try{
ftpletRet = ftpletContainer.onRmdirEnd(session.getFtpletSession(), request);
} catch(Exception e) {
LOG.debug("Ftplet container threw exception", e);
ftpletRet = FtpletEnum.RET_DISCONNECT;
}
if(ftpletRet == FtpletEnum.RET_DISCONNECT) {
session.closeOnFlush().awaitUninterruptibly(10000);
return;
}
}
else {
session.write(FtpReplyUtil.translate(session, request, context, FtpReply.REPLY_450_REQUESTED_FILE_ACTION_NOT_TAKEN, "RMD", fileName));
}
}
}