// 24-10-2007 - added check if PORT or PASV is issued, see https://issues.apache.org/jira/browse/FTPSERVER-110
DataConnectionFactory connFactory = session.getDataConnection();
if (connFactory instanceof IODataConnectionFactory) {
InetAddress address = ((IODataConnectionFactory)connFactory).getInetAddress();
if (address == null) {
session.write(new DefaultFtpReply(FtpReply.REPLY_503_BAD_SEQUENCE_OF_COMMANDS, "PORT or PASV must be issued first"));
return;
}
}
// reset state variables
session.resetState();
// call Ftplet.onUploadUniqueStart() method
Ftplet ftpletContainer = context.getFtpletContainer();
FtpletEnum ftpletRet;
try {
ftpletRet = ftpletContainer.onUploadUniqueStart(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;
}
String pathName = request.getArgument();
// get filenames
FileObject file = null;
try {
String filePrefix;
if(pathName == null) {
filePrefix = "ftp.dat";
} else {
FileObject dir = session.getFileSystemView().getFileObject(pathName);
if(dir.isDirectory()) {
filePrefix = pathName + "/ftp.dat";
} else {
filePrefix = pathName;
}
}
file = session.getFileSystemView().getFileObject(filePrefix);
if(file != null) {
file = getUniqueFile(session, file);
}
}
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, "STOU", null));
return;
}
String fileName = file.getFullName();
// check permission
if(!file.hasWritePermission()) {
session.write(FtpReplyUtil.translate(session, request, context, FtpReply.REPLY_550_REQUESTED_ACTION_NOT_TAKEN, "STOU.permission", fileName));
return;
}
// get data connection
session.write(new DefaultFtpReply(FtpReply.REPLY_150_FILE_STATUS_OKAY, "FILE: " + fileName));
// get data from client
boolean failure = false;
OutputStream os = null;