/*
 *  SSHTools - Java SSH2 API
 *
 *  Copyright (C) 2002-2003 Lee David Painter and Contributors.
 *
 *  Contributions made by:
 *
 *  Brett Smith
 *  Richard Pernavas
 *  Erwin Bolwidt
 *
 *  This program is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU General Public License
 *  as published by the Free Software Foundation; either version 2
 *  of the License, or (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */
package com.sshtools.j2ssh.agent;

import com.sshtools.j2ssh.io.ByteArrayReader;
import com.sshtools.j2ssh.io.ByteArrayWriter;
import com.sshtools.j2ssh.subsystem.SubsystemMessage;
import com.sshtools.j2ssh.transport.InvalidMessageException;
import com.sshtools.j2ssh.transport.publickey.SshKeyPairFactory;
import com.sshtools.j2ssh.transport.publickey.SshPublicKey;

import java.io.IOException;


class SshAgentPrivateKeyOp extends SubsystemMessage {
    /**  */
    public static final int SSH_AGENT_PRIVATE_KEY_OP = 205;
    SshPublicKey pubkey;
    String operation;
    byte[] data;

    /**
     * Creates a new SshAgentPrivateKeyOp object.
     */
    public SshAgentPrivateKeyOp() {
        super(SSH_AGENT_PRIVATE_KEY_OP);
    }

    /**
     * Creates a new SshAgentPrivateKeyOp object.
     *
     * @param pubkey
     * @param operation
     * @param data
     */
    public SshAgentPrivateKeyOp(SshPublicKey pubkey, String operation,
        byte[] data) {
        super(SSH_AGENT_PRIVATE_KEY_OP);
        this.pubkey = pubkey;
        this.operation = operation;
        this.data = data;
    }

    /**
     *
     *
     * @return
     */
    public SshPublicKey getPublicKey() {
        return pubkey;
    }

    /**
     *
     *
     * @return
     */
    public String getOperation() {
        return operation;
    }

    /**
     *
     *
     * @return
     */
    public byte[] getOperationData() {
        return data;
    }

    /**
     *
     *
     * @return
     */
    public String getMessageName() {
        return "SSH_AGENT_PRIVATE_KEY_OP";
    }

    /**
     *
     *
     * @param baw
     *
     * @throws java.io.IOException
     * @throws com.sshtools.j2ssh.transport.InvalidMessageException DOCUMENT
     *         ME!
     * @throws InvalidMessageException
     */
    public void constructByteArray(ByteArrayWriter baw)
        throws java.io.IOException, 
            com.sshtools.j2ssh.transport.InvalidMessageException {
        try {
            baw.writeString(operation);
            baw.writeBinaryString(pubkey.getEncoded());
            baw.write(data);
        } catch (IOException ex) {
            throw new InvalidMessageException(ex.getMessage());
        }
    }

    /**
     *
     *
     * @param bar
     *
     * @throws java.io.IOException
     * @throws com.sshtools.j2ssh.transport.InvalidMessageException DOCUMENT
     *         ME!
     * @throws InvalidMessageException
     */
    public void constructMessage(ByteArrayReader bar)
        throws java.io.IOException, 
            com.sshtools.j2ssh.transport.InvalidMessageException {
        try {
            operation = bar.readString();
            pubkey = SshKeyPairFactory.decodePublicKey(bar.readBinaryString());
            data = new byte[bar.available()];
            bar.read(data);
        } catch (IOException ex) {
            throw new InvalidMessageException(ex.getMessage());
        }
    }
}
