/*
* 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.util.FtpReplyUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* <code>RNTO <SP> <pathname> <CRLF></code><br>
*
* This command specifies the new pathname of the file
* specified in the immediately preceding "rename from"
* command. Together the two commands cause a file to be
* renamed.
*/
public
class RNTO extends AbstractCommand {
private final Logger LOG = LoggerFactory.getLogger(RNTO.class);
/**
* Execute command.
*/
public void execute(final FtpIoSession session,
final FtpServerContext context,
final FtpRequest request) throws IOException, FtpException {
try {
// argument check
String toFileStr = request.getArgument();
if(toFileStr == null) {
session.write(FtpReplyUtil.translate(session, request, context, FtpReply.REPLY_501_SYNTAX_ERROR_IN_PARAMETERS_OR_ARGUMENTS, "RNTO", null));
return;
}
// call Ftplet.onRenameStart() method
Ftplet ftpletContainer = context.getFtpletContainer();
FtpletEnum ftpletRet;
try {
ftpletRet = ftpletContainer.onRenameStart(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 the "rename from" file object
FileObject frFile = session.getRenameFrom();
if( frFile == null ) {
session.write(FtpReplyUtil.translate(session, request, context, FtpReply.REPLY_503_BAD_SEQUENCE_OF_COMMANDS, "RNTO", null));
return;
}
// get target file
FileObject toFile = null;
try {
toFile = session.getFileSystemView().getFileObject(toFileStr);
}
catch(Exception ex) {
LOG.debug("Exception getting file object", ex);
}
if(toFile == null) {
session.write(FtpReplyUtil.translate(session, request, context, FtpReply.REPLY_553_REQUESTED_ACTION_NOT_TAKEN_FILE_NAME_NOT_ALLOWED, "RNTO.invalid", null));
return;
}
toFileStr = toFile.getFullName();
// check permission
if( !toFile.hasWritePermission() ) {
session.write(FtpReplyUtil.translate(session, request, context, FtpReply.REPLY_553_REQUESTED_ACTION_NOT_TAKEN_FILE_NAME_NOT_ALLOWED, "RNTO.permission", null));
return;
}
// check file existance
if( !frFile.doesExist() ) {
session.write(FtpReplyUtil.translate(session, request, context, FtpReply.REPLY_553_REQUESTED_ACTION_NOT_TAKEN_FILE_NAME_NOT_ALLOWED, "RNTO.missing", null));
return;
}
// now rename
if( frFile.move(toFile) ) {
session.write(FtpReplyUtil.translate(session, request, context, FtpReply.REPLY_250_REQUESTED_FILE_ACTION_OKAY, "RNTO", toFileStr));
LOG.info("File rename (" + session.getUser().getName() + ") "
+ frFile.getFullName() + " -> " + toFile.getFullName());
// call Ftplet.onRenameEnd() method
try {
ftpletRet = ftpletContainer.onRenameEnd(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_553_REQUESTED_ACTION_NOT_TAKEN_FILE_NAME_NOT_ALLOWED, "RNTO", toFileStr));
}
}
finally {
session.resetState();
}
}
}