Examples with Channel com.jcraft.jsch.Channel used on opensource projects

Example 16 with Channel

use of com.jcraft.jsch.Channel in project airavata by apache.

the class SSHUtils method scpTo.

/**
 * This will copy a local file to a remote location
 *
 * @param remoteFile remote location you want to transfer the file, this cannot be a directory, if user pass
 *                   a dirctory we do copy it to that directory but we simply return the directory name
 *                   todo handle the directory name as input and return the proper final output file name
 * @param localFile  Local file to transfer, this can be a directory
 * @return returns the final remote file path, so that users can use the new file location
 */
public static String scpTo(String localFile, String remoteFile, Session session) throws IOException, JSchException, SSHApiException {
    FileInputStream fis = null;
    String prefix = null;
    if (new File(localFile).isDirectory()) {
        prefix = localFile + File.separator;
    }
    boolean ptimestamp = true;
    // exec 'scp -t rfile' remotely
    String command = "scp " + (ptimestamp ? "-p" : "") + " -t " + remoteFile;
    Channel channel = session.openChannel("exec");
    StandardOutReader stdOutReader = new StandardOutReader();
    ((ChannelExec) channel).setErrStream(stdOutReader.getStandardError());
    ((ChannelExec) channel).setCommand(command);
    // get I/O streams for remote scp
    OutputStream out = channel.getOutputStream();
    InputStream in = channel.getInputStream();
    channel.connect();
    if (checkAck(in) != 0) {
        String error = "Error Reading input Stream";
        log.error(error);
        throw new SSHApiException(error);
    }
    File _lfile = new File(localFile);
    if (ptimestamp) {
        command = "T" + (_lfile.lastModified() / 1000) + " 0";
        // The access time should be sent here,
        // but it is not accessible with JavaAPI ;-<
        command += (" " + (_lfile.lastModified() / 1000) + " 0\n");
        out.write(command.getBytes());
        out.flush();
        if (checkAck(in) != 0) {
            String error = "Error Reading input Stream";
            log.error(error);
            throw new SSHApiException(error);
        }
    }
    // send "C0644 filesize filename", where filename should not include '/'
    long filesize = _lfile.length();
    command = "C0644 " + filesize + " ";
    if (localFile.lastIndexOf('/') > 0) {
        command += localFile.substring(localFile.lastIndexOf('/') + 1);
    } else {
        command += localFile;
    }
    command += "\n";
    out.write(command.getBytes());
    out.flush();
    if (checkAck(in) != 0) {
        String error = "Error Reading input Stream";
        log.error(error);
        throw new SSHApiException(error);
    }
    // send a content of localFile
    fis = new FileInputStream(localFile);
    byte[] buf = new byte[1024];
    while (true) {
        int len = fis.read(buf, 0, buf.length);
        if (len <= 0)
            break;
        // out.flush();
        out.write(buf, 0, len);
    }
    fis.close();
    fis = null;
    // send '\0'
    buf[0] = 0;
    out.write(buf, 0, 1);
    out.flush();
    if (checkAck(in) != 0) {
        String error = "Error Reading input Stream";
        log.error(error);
        throw new SSHApiException(error);
    }
    out.close();
    stdOutReader.onOutput(channel);
    channel.disconnect();
    if (stdOutReader.getStdErrorString().contains("scp:")) {
        throw new SSHApiException(stdOutReader.getStdErrorString());
    }
    // since remote file is always a file  we just return the file
    return remoteFile;
}

Example 17 with Channel

use of com.jcraft.jsch.Channel in project airavata by apache.

the class SSHUtils method makeDirectory.

public static void makeDirectory(String path, Session session) throws IOException, JSchException, GFacException {
    // exec 'scp -t rfile' remotely
    String command = "mkdir -p " + path;
    Channel channel = session.openChannel("exec");
    StandardOutReader stdOutReader = new StandardOutReader();
    ((ChannelExec) channel).setCommand(command);
    ((ChannelExec) channel).setErrStream(stdOutReader.getStandardError());
    try {
        channel.connect();
    } catch (JSchException e) {
        channel.disconnect();
        // session.disconnect();
        log.error("Unable to retrieve command output. Command - " + command + " on server - " + session.getHost() + ":" + session.getPort() + " connecting user name - " + session.getUserName());
        throw e;
    }
    stdOutReader.onOutput(channel);
    if (stdOutReader.getStdErrorString().contains("mkdir:")) {
        throw new GFacException(stdOutReader.getStdErrorString());
    }
    channel.disconnect();
}

Example 18 with Channel

use of com.jcraft.jsch.Channel in project javautils by jiadongpo.

the class SFTPClient method login.

public void login(String password) throws Exception {
    this.password = password;
    s.setPassword(this.getPassword());
    try {
        java.util.Properties config = new java.util.Properties();
        config.put("StrictHostKeyChecking", "no");
        // set compression property
        // zlib, none
        String compress = getCompression();
        if (compress != null) {
            config.put(COMPRESSION_S2C, compress);
            config.put(COMPRESSION_C2S, compress);
        }
        s.setConfig(config);
        s.connect();
        Channel channel = s.openChannel("sftp");
        channel.connect();
        c = (ChannelSftp) channel;
    // 设置一个编辑，控制中文乱码问题
    // c.setFilenameEncoding("GBK");
    } catch (JSchException e) {
        throw new Exception(e);
    }
}

Example 19 with Channel

use of com.jcraft.jsch.Channel in project keepass2android by PhilippC.

the class SftpStorage method init.

ChannelSftp init(String filename) throws JSchException, UnsupportedEncodingException {
    jsch = new JSch();
    ConnectionInfo ci = splitStringToConnectionInfo(filename);
    Session session = jsch.getSession(ci.username, ci.host, ci.port);
    UserInfo ui = new SftpUserInfo(ci.password);
    session.setUserInfo(ui);
    session.connect();
    Channel channel = session.openChannel("sftp");
    channel.connect();
    ChannelSftp c = (ChannelSftp) channel;
    logDebug("success: init Sftp");
    return c;
}

Example 20 with Channel

use of com.jcraft.jsch.Channel in project ant by apache.

the class ScpFromMessage method execute.

/**
 * Carry out the transfer.
 * @throws IOException on i/o errors
 * @throws JSchException on errors detected by scp
 */
@Override
public void execute() throws IOException, JSchException {
    String command = "scp -f ";
    if (isRecursive) {
        command += "-r ";
    }
    if (getCompressed()) {
        command += "-C ";
    }
    command += remoteFile;
    final Channel channel = openExecChannel(command);
    try {
        // get I/O streams for remote scp
        final OutputStream out = channel.getOutputStream();
        final InputStream in = channel.getInputStream();
        channel.connect();
        sendAck(out);
        startRemoteCpProtocol(in, out, localFile);
    } finally {
        if (channel != null) {
            channel.disconnect();
        }
    }
    log("done\n");
}