/*
 *  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 Library General Public License
 *  as published by the Free Software Foundation; either version 2 of
 *  the License, or (at your option) any later version.
 *
 *  You may also distribute it and/or modify it under the terms of the
 *  Apache style J2SSH Software License. A copy of which should have
 *  been provided with the distribution.
 *
 *  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
 *  License document supplied with your distribution for more details.
 *
 */
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.SshPrivateKey;
import com.sshtools.j2ssh.transport.publickey.SshPublicKey;

import java.io.IOException;


class SshAgentAddKey extends SubsystemMessage {
    /**  */
    public static final int SSH_AGENT_ADD_KEY = 202;
    SshPrivateKey prvkey;
    SshPublicKey pubkey;
    String description;
    KeyConstraints constraints;

    /**
     * Creates a new SshAgentAddKey object.
     */
    public SshAgentAddKey() {
        super(SSH_AGENT_ADD_KEY);
    }

    /**
     * Creates a new SshAgentAddKey object.
     *
     * @param prvkey
     * @param pubkey
     * @param description
     * @param constraints
     */
    public SshAgentAddKey(SshPrivateKey prvkey, SshPublicKey pubkey,
        String description, KeyConstraints constraints) {
        super(SSH_AGENT_ADD_KEY);
        this.prvkey = prvkey;
        this.pubkey = pubkey;
        this.description = description;
        this.constraints = constraints;
    }

    /**
     *
     *
     * @return
     */
    public SshPrivateKey getPrivateKey() {
        return prvkey;
    }

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

    /**
     *
     *
     * @return
     */
    public String getDescription() {
        return description;
    }

    /**
     *
     *
     * @return
     */
    public KeyConstraints getKeyConstraints() {
        return constraints;
    }

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

    /**
     *
     *
     * @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.writeBinaryString(prvkey.getEncoded());
            baw.writeBinaryString(pubkey.getEncoded());
            baw.writeString(description);
            baw.write(constraints.toByteArray());
        } 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 {
            prvkey = SshKeyPairFactory.decodePrivateKey(bar.readBinaryString());
            pubkey = SshKeyPairFactory.decodePublicKey(bar.readBinaryString());
            description = bar.readString();
            constraints = new KeyConstraints(bar);
        } catch (IOException ex) {
            throw new InvalidMessageException(ex.getMessage());
        }
    }
}
