Examples with SCPException jp.ossc.nimbus.service.scp.SCPException used on opensource projects

Example 6 with SCPException

use of jp.ossc.nimbus.service.scp.SCPException in project nimbus by nimbus-org.

the class SCPClientImpl method connect.

public void connect(String user, String host, int port, File pemFile, String passphrase) throws SCPException {
    if (connection != null) {
        throw new SCPException("It is already connected!");
    }
    if (!pemFile.exists()) {
        throw new SCPException("The pemFile not exists! path=" + pemFile);
    }
    FileInputStream fis = null;
    final ByteArrayOutputStream baos = new ByteArrayOutputStream();
    String pem = null;
    try {
        fis = new FileInputStream(pemFile);
        int length = 0;
        byte[] buf = new byte[1024];
        while ((length = fis.read(buf)) != -1) {
            baos.write(buf, 0, length);
        }
        pem = new String(baos.toByteArray());
    } catch (IOException e) {
        throw new SCPException("It failed to read pemFile! path=" + pemFile, e);
    } finally {
        if (fis != null) {
            try {
                fis.close();
            } catch (IOException e) {
            }
        }
    }
    connection = new Connection(host, port);
    try {
        if (isTcpNoDelay != null) {
            connection.setTCPNoDelay(isTcpNoDelay.booleanValue());
        }
        if (serverHostKeyAlgorithms != null) {
            connection.setServerHostKeyAlgorithms(serverHostKeyAlgorithms);
        }
        connection.connect(null, connectionTimeout, keyExchangeTimeout);
        if (!connection.authenticateWithPublicKey(user, pem.toCharArray(), passphrase)) {
            throw new SCPException("It failed to authenticate!");
        }
        scpClient = connection.createSCPClient();
    } catch (IOException e) {
        scpClient = null;
        connection.close();
        connection = null;
        throw new SCPException("It failed to authenticate!", e);
    }
}