eu.xworlds.util.raknet.protocol.RemoteSystemRequiresPublicKey.java Source code

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Here is the source code for eu.xworlds.util.raknet.protocol.RemoteSystemRequiresPublicKey.java

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/*
This file is part of "xWorlds utilities".
    
"xWorlds utilities" 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 3 of the License, or
(at your option) any later version.
    
"xWorlds utilities" 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 "nukkit xWorlds plugin". If not, see <http://www.gnu.org/licenses/>.
    
 */
package eu.xworlds.util.raknet.protocol;

import java.net.InetSocketAddress;
import java.nio.ByteOrder;

import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;

/**
 * Message "RemoteSystemRequiresPublicKey".
 * 
 * <p><b>The following docu is taken from procotol information</b>:</p>
 * 
 * <p>
 * RakPeer - Remote system requires secure connections, pass a public key to RakPeerInterface::Connect()
 * </p>
 * 
 * @author mepeisen
 */
public class RemoteSystemRequiresPublicKey extends TargetedMessage {

    /** the raknet message id */
    public static final byte ID = 0x0A;

    /**
     * Possible error types
     */
    public enum ErrorType {
        /** ConnectionReply2 package did not send handshake but we need security */
        ServerPublicKeyMissing,
        /** Client did not sent a public key during connect */
        ClientIdentityMissing,
        /** Client sent a public key but the ident was invalid */
        ClientIdentityInvalid
    }

    /** the error type */
    private ErrorType error;

    /**
     * @return the error
     */
    public ErrorType getError() {
        return this.error;
    }

    /**
     * @param error the error to set
     */
    public void setError(ErrorType error) {
        this.error = error;
    }

    /**
     * Constructor for incoming message.
     * @param buf message data
     * @param sender message sender.
     * @param receiver message receiver.
     */
    public RemoteSystemRequiresPublicKey(ByteBuf buf, InetSocketAddress sender, InetSocketAddress receiver) {
        super(buf, sender, receiver);
    }

    /**
     * Constructor for outgoing message.
     * @param sender message sender.
     * @param receiver message receiver.
     */
    public RemoteSystemRequiresPublicKey(InetSocketAddress sender, InetSocketAddress receiver) {
        super(sender, receiver);
    }

    @Override
    public byte getId() {
        return ID;
    }

    @Override
    public ByteBuf encode() {
        final ByteBuf buf = Unpooled.buffer(1 + 1);
        buf.order(ByteOrder.BIG_ENDIAN);
        buf.writeByte(ID);
        buf.writeByte(this.error.ordinal());
        return buf;
    }

    @Override
    protected void parseMessage(ByteBuf buf) {
        this.error = ErrorType.values()[buf.readByte()];
    }

    @Override
    public String toString() {
        return "RemoteSystemRequiresPublicKey [error=" + this.error + "]"; //$NON-NLS-1$ //$NON-NLS-2$
    }

}