Package com.jcraft.jsch

Examples of com.jcraft.jsch.Session

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     * @return the ChannelSftp with which a connection is established
     * @throws IOException
     *             if any connection problem occurs
     */
    private ChannelSftp getSftpChannel(String pathOrUri) throws IOException {
        Session session = getSession(pathOrUri);
        String host = session.getHost();
        ChannelSftp channel = SshCache.getInstance().getChannelSftp(session);
        if (channel == null) {
            try {
                channel = (ChannelSftp) session.openChannel("sftp");
                channel.connect();
                Message.verbose(":: SFTP :: connected to " + host + "!");
                SshCache.getInstance().attachChannelSftp(session, channel);
            } catch (JSchException e) {
                IOException ex = new IOException(e.getMessage());
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     * @param newSession
     *            Session to save
     */
    private void setSession(String user, String host, int port, Session newSession) {
        Entry entry = (Entry) uriCacheMap.get(createCacheKey(user, host, port));
        Session oldSession = null;
        if (entry != null) {
            oldSession = entry.getSession();
        }
        if (oldSession != null && !oldSession.equals(newSession) && oldSession.isConnected()) {
            entry.releaseChannelSftp();
            String oldhost = oldSession.getHost();
            Message.verbose(":: SSH :: closing ssh connection from " + oldhost + "...");
            oldSession.disconnect();
            Message.verbose(":: SSH :: ssh connection closed from " + oldhost);
        }
        if ((newSession == null) && (entry != null)) {
            uriCacheMap.remove(createCacheKey(user, host, port));
            if (entry.getSession() != null) {
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     * @return session or null if not successful
     */
    public Session getSession(String host, int port, String username, String userPassword,
            File pemFile, String pemPassword, File passFile) throws IOException {
        Entry entry = getCacheEntry(username, host, port);
        Session session = null;
        if (entry != null) {
            session = entry.getSession();
        }
        if (session == null || !session.isConnected()) {
            Message.verbose(":: SSH :: connecting to " + host + "...");
            try {
                JSch jsch = new JSch();
                if (port != -1) {
                    session = jsch.getSession(username, host, port);
                } else {
                    session = jsch.getSession(username, host);
                }
                if (pemFile != null) {
                    jsch.addIdentity(pemFile.getAbsolutePath(), pemPassword);
                }
                session.setUserInfo(new CfUserInfo(host, username, userPassword, pemFile,
                        pemPassword, passFile));
                session.connect();
                Message.verbose(":: SSH :: connected to " + host + "!");
                setSession(username, host, port, session);
            } catch (JSchException e) {
                if (passFile.exists()) {
                    passFile.delete();
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     * @see org.apache.ivy.plugins.repository.Repository#getResource(java.lang.String)
     */
    public SshResource resolveResource(String source) {
        Message.debug("SShRepository:resolveResource called: " + source);
        SshResource result = null;
        Session session = null;
        try {
            session = getSession(source);
            Scp myCopy = new Scp(session);
            Scp.FileInfo fileInfo = myCopy.getFileinfo(new URI(source).getPath());
            result = new SshResource(this, source, true, fileInfo.getLength(), fileInfo
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     * @see org.apache.ivy.repository.Repository#list(java.lang.String)
     */
    public List list(String parent) throws IOException {
        Message.debug("SShRepository:list called: " + parent);
        ArrayList result = new ArrayList();
        Session session = null;
        ChannelExec channel = null;
        session = getSession(parent);
        channel = getExecChannel(session);
        URI parentUri = null;
        try {
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     *
     * @see org.apache.ivy.repository.Repository#put(java.io.File, java.lang.String, boolean)
     */
    public void put(File source, String destination, boolean overwrite) throws IOException {
        Message.debug("SShRepository:put called: " + destination);
        Session session = getSession(destination);
        try {
            URI destinationUri = null;
            try {
                destinationUri = new URI(destination);
            } catch (URISyntaxException e) {
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        Message.debug("SShRepository:get called: " + source + " to "
                + destination.getCanonicalPath());
        if (destination.getParentFile() != null) {
            destination.getParentFile().mkdirs();
        }
        Session session = getSession(source);
        try {
            URI sourceUri = null;
            try {
                sourceUri = new URI(source);
            } catch (URISyntaxException e) {
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     * @param resource
     *            to stream
     * @return InputStream of the resource data
     */
    public InputStream openStream(SshResource resource) throws IOException {
        Session session = getSession(resource.getName());
        Scp scp = new Scp(session);
        ByteArrayOutputStream os = new ByteArrayOutputStream();
        try {
            scp.get(resource.getName(), os);
        } catch (IOException e) {
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    int exitCode = 0;
    ByteArrayOutputStream errStr = new ByteArrayOutputStream();
    ByteArrayOutputStream outStr = new ByteArrayOutputStream();
    try {
      Session session = sessions.poll();
      if (session == null) {
        session = createSession(host);
      }
     
      ChannelExec channel = (ChannelExec) session.openChannel("exec");
      if (remoteHome != null) {
        command = "cd " + remoteHome + ";" + command;
      }
      channel.setCommand(command);
      channel.setInputStream(null);
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    } 
  }
 
  private Session createSession(String host) throws JSchException {
   
    Session session = jsch.getSession(login, host);
//    if (password != null) {
      session.setUserInfo(userInfo);
//    }
    session.connect();
   
    return session;
  }
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