public void execute()

in core/src/main/java/org/apache/ftpserver/command/impl/SITE_DESCUSER.java [53:126]


    public void execute(final FtpIoSession session,
            final FtpServerContext context, final FtpRequest request)
            throws IOException, FtpException {

        // reset state variables
        session.resetState();

        // only administrator can execute this
        UserManager userManager = context.getUserManager();
        boolean isAdmin = userManager.isAdmin(session.getUser().getName());
        if (!isAdmin) {
            session.write(LocalizedFtpReply.translate(session, request, context,
                    FtpReply.REPLY_530_NOT_LOGGED_IN, "SITE", null));
            return;
        }

        // get the user name
        String argument = request.getArgument();
        int spIndex = argument.indexOf(' ');
        if (spIndex == -1) {
            session.write(LocalizedFtpReply.translate(session, request, context,
                    FtpReply.REPLY_503_BAD_SEQUENCE_OF_COMMANDS,
                    "SITE.DESCUSER", null));
            return;
        }
        String userName = argument.substring(spIndex + 1);

        // check the user existance
        UserManager usrManager = context.getUserManager();
        User user = null;
        try {
            if (usrManager.doesExist(userName)) {
                user = usrManager.getUserByName(userName);
            }
        } catch (FtpException ex) {
            LOG.debug("Exception trying to get user from user manager", ex);
        }
        if (user == null) {
            session.write(LocalizedFtpReply.translate(session, request, context,
                    FtpReply.REPLY_501_SYNTAX_ERROR_IN_PARAMETERS_OR_ARGUMENTS,
                    "SITE.DESCUSER", userName));
            return;
        }

        // send the user information
        StringBuilder sb = new StringBuilder(128);
        sb.append("\n");
        sb.append("userid          : ").append(user.getName()).append("\n");
        sb.append("userpassword    : ********\n");
        sb.append("homedirectory   : ").append(user.getHomeDirectory()).append(
                "\n");
        sb.append("writepermission : ").append(
                user.authorize(new WriteRequest()) != null).append("\n");
        sb.append("enableflag      : ").append(user.getEnabled()).append("\n");
        sb.append("idletime        : ").append(user.getMaxIdleTime()).append(
                "\n");

        TransferRateRequest transferRateRequest = new TransferRateRequest();
        transferRateRequest = (TransferRateRequest) session.getUser()
                .authorize(transferRateRequest);

        if (transferRateRequest != null) {
            sb.append("uploadrate      : ").append(
                    transferRateRequest.getMaxUploadRate()).append("\n");
            sb.append("downloadrate    : ").append(
                    transferRateRequest.getMaxDownloadRate()).append("\n");
        } else {
            sb.append("uploadrate      : 0\n");
            sb.append("downloadrate    : 0\n");
        }
        sb.append('\n');
        session.write(new DefaultFtpReply(FtpReply.REPLY_200_COMMAND_OKAY, sb
                .toString()));
    }