Package com.jcraft.jsch

Examples of com.jcraft.jsch.Session

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        // JSch jsch = createJSch(fileSystemOptions);

        // Create the file system
        final GenericFileName rootName = (GenericFileName) name;

        Session session;
        UserAuthenticationData authData = null;
        try
        {
            authData = UserAuthenticatorUtils.authenticate(fileSystemOptions, AUTHENTICATOR_TYPES);
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        if (this.session == null || !this.session.isConnected())
        {
            doCloseCommunicationLink();

            // channel closed. e.g. by freeUnusedResources, but now we need it again
            Session session;
            UserAuthenticationData authData = null;
            try
            {
                final GenericFileName rootName = (GenericFileName) getRootName();

                authData = UserAuthenticatorUtils.authenticate(getFileSystemOptions(),
                    SftpFileProvider.AUTHENTICATOR_TYPES);

                session = SftpClientFactory.createConnection(
                    rootName.getHostName(),
                    rootName.getPort(),
                    UserAuthenticatorUtils.getData(authData, UserAuthenticationData.USERNAME,
                        UserAuthenticatorUtils.toChar(rootName.getUserName())),
                    UserAuthenticatorUtils.getData(authData, UserAuthenticationData.PASSWORD,
                        UserAuthenticatorUtils.toChar(rootName.getPassword())),
                    getFileSystemOptions());
            }
            catch (final Exception e)
            {
                throw new FileSystemException("vfs.provider.sftp/connect.error",
                    getRootName(),
                    e);
            }
            finally
            {
                UserAuthenticatorUtils.cleanup(authData);
            }

            this.session = session;
        }

        try
        {
            // Use the pooled channel, or create a new one
            final ChannelSftp channel;
            if (idleChannel != null)
            {
                channel = idleChannel;
                idleChannel = null;
            }
            else
            {
                channel = (ChannelSftp) session.openChannel("sftp");
                channel.connect();

                Boolean userDirIsRoot =
                    SftpFileSystemConfigBuilder.getInstance().getUserDirIsRoot(getFileSystemOptions());
                String workingDirectory = getRootName().getPath();
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      String shellId = host + ":" + port + ":" + user;
      if (this.sessions.containsKey(shellId) && !this.sessions.get(shellId).session.isConnected())
        this.sessions.remove(shellId);
     
      if (!this.sessions.containsKey(shellId)) {
        Session session = ssh.getSession(user, host, port);
        session.setPassword(password.getPassword());
        session.setConfig("StrictHostKeyChecking", "no");
        session.connect(timeout);
       
        this.sessions.put(shellId, new SecureShellSession(this, shellId, session, password, timeout));
      } else {
        if (!ByteUtil.equals(this.sessions.get(shellId).password.getPassword(), password.getPassword()))
          throw new IllegalArgumentException("Invalid password");
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            throw new BuildException("The input file "
                                     + inputFile.getAbsolutePath()
                                     + " does not exist.");
        }

        Session session = null;
        StringBuffer output = new StringBuffer();
        try {
            session = openSession();
            /* called once */
            if (command != null) {
                log("cmd : " + command, Project.MSG_INFO);
                executeCommand(session, command, output);
            } else { // read command resource and execute for each command
                try {
                    BufferedReader br = new BufferedReader(
                            new InputStreamReader(commandResource.getInputStream()));
                    String cmd;
                    while ((cmd = br.readLine()) != null) {
                        log("cmd : " + cmd, Project.MSG_INFO);
                        output.append(cmd).append(" : ");
                        executeCommand(session, cmd, output);
                        output.append("\n");
                    }
                    FileUtils.close(br);
                } catch (IOException e) {
                    if (getFailonerror()) {
                        throw new BuildException(e);
                    } else {
                        log("Caught exception: " + e.getMessage(),
                            Project.MSG_ERR);
                    }
                }
            }
        } catch (JSchException e) {
            if (getFailonerror()) {
                throw new BuildException(e);
            } else {
                log("Caught exception: " + e.getMessage(), Project.MSG_ERR);
            }
        } finally {
            if (outputProperty != null) {
                getProject().setNewProperty(outputProperty, output.toString());
            }
            if (session != null && session.isConnected()) {
                session.disconnect();
            }
        }
    }
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        if (!userInfo.getTrust() && knownHosts != null) {
            log("Using known hosts: " + knownHosts, Project.MSG_DEBUG);
            jsch.setKnownHosts(knownHosts);
        }

        Session session = jsch.getSession(userInfo.getName(), host, port);
        session.setConfig("PreferredAuthentications",
                "publickey,keyboard-interactive,password");
        session.setUserInfo(userInfo);
        log("Connecting to " + host + ":" + port);
        session.connect();
        return session;
    }
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    private void download(String fromSshUri, String toPath)
        throws JSchException, IOException {
        String file = parseUri(fromSshUri);

        Session session = null;
        try {
            session = openSession();
            ScpFromMessage message = null;
            if (!isSftp) {
                message =
                    new ScpFromMessage(getVerbose(), session, file,
                                       getProject().resolveFile(toPath),
                                       fromSshUri.endsWith("*"),
                                       preserveLastModified);
            } else {
                message =
                    new ScpFromMessageBySftp(getVerbose(), session, file,
                                             getProject().resolveFile(toPath),
                                             fromSshUri.endsWith("*"),
                                             preserveLastModified);
            }
            log("Receiving file: " + file);
            message.setLogListener(this);
            message.execute();
        } finally {
            if (session != null) {
                session.disconnect();
            }
        }
    }
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    private void upload(List fileSet, String toSshUri)
        throws IOException, JSchException {
        String file = parseUri(toSshUri);

        Session session = null;
        try {
            List list = new ArrayList(fileSet.size());
            for (Iterator i = fileSet.iterator(); i.hasNext();) {
                FileSet set = (FileSet) i.next();
                Directory d = createDirectory(set);
                if (d != null) {
                    list.add(d);
                }
            }
            if (!list.isEmpty()) {
                session = openSession();
                ScpToMessage message = null;
                if (!isSftp) {
                    message = new ScpToMessage(getVerbose(), session,
                                               list, file);
                } else {
                    message = new ScpToMessageBySftp(getVerbose(), session,
                                                     list, file);
                }
                message.setLogListener(this);
                message.execute();
            }
        } finally {
            if (session != null) {
                session.disconnect();
            }
        }
    }
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    private void upload(String fromPath, String toSshUri)
        throws IOException, JSchException {
        String file = parseUri(toSshUri);

        Session session = null;
        try {
            session = openSession();
            ScpToMessage message = null;
            if (!isSftp) {
                message =
                    new ScpToMessage(getVerbose(), session,
                                     getProject().resolveFile(fromPath), file);
            } else {
                message =
                    new ScpToMessageBySftp(getVerbose(), session,
                                           getProject().resolveFile(fromPath),
                                           file);
            }
            message.setLogListener(this);
            message.execute();
        } finally {
            if (session != null) {
                session.disconnect();
            }
        }
    }
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        if (isNotEmpty(sftpConfig.getKnownHostsFile())) {
            LOG.debug("Using knownhosts file: {}", sftpConfig.getKnownHostsFile());
            jsch.setKnownHosts(sftpConfig.getKnownHostsFile());
        }

        final Session session = jsch.getSession(configuration.getUsername(), configuration.getHost(), configuration.getPort());

        if (isNotEmpty(sftpConfig.getStrictHostKeyChecking())) {
            LOG.debug("Using StrickHostKeyChecking: {}", sftpConfig.getStrictHostKeyChecking());
            session.setConfig("StrictHostKeyChecking", sftpConfig.getStrictHostKeyChecking());
        }
       
        session.setServerAliveInterval(sftpConfig.getServerAliveInterval());
        session.setServerAliveCountMax(sftpConfig.getServerAliveCountMax());

        // compression
        if (sftpConfig.getCompression() > 0) {
            LOG.debug("Using compression: {}", sftpConfig.getCompression());
            session.setConfig("compression.s2c", "zlib@openssh.com, zlib, none");
            session.setConfig("compression.c2s", "zlib@openssh.com, zlib, none");
            session.setConfig("compression_level", Integer.toString(sftpConfig.getCompression()));
        }

        // set user information
        session.setUserInfo(new ExtendedUserInfo() {
            public String getPassphrase() {
                return null;
            }

            public String getPassword() {
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        if (isNotEmpty(sftpConfig.getKnownHostsFile())) {
            LOG.debug("Using knownhosts file: " + sftpConfig.getKnownHostsFile());
            jsch.setKnownHosts(sftpConfig.getKnownHostsFile());
        }

        final Session session = jsch.getSession(configuration.getUsername(), configuration.getHost(), configuration.getPort());

        if (isNotEmpty(sftpConfig.getStrictHostKeyChecking())) {
            LOG.debug("Using StrickHostKeyChecking: " + sftpConfig.getStrictHostKeyChecking());
            session.setConfig("StrictHostKeyChecking", sftpConfig.getStrictHostKeyChecking());
        }
       
        session.setServerAliveInterval(sftpConfig.getServerAliveInterval());
        session.setServerAliveCountMax(sftpConfig.getServerAliveCountMax());

        // set user information
        session.setUserInfo(new ExtendedUserInfo() {
            public String getPassphrase() {
                return null;
            }

            public String getPassword() {
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