com.github.mrstampy.gameboot.otp.netty.client.EncryptedClientInitializer.java Source code

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Here is the source code for com.github.mrstampy.gameboot.otp.netty.client.EncryptedClientInitializer.java

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/*
 *              ______                        ____              __ 
 *             / ____/___ _____ ___  ___     / __ )____  ____  / /_
 *            / / __/ __ `/ __ `__ \/ _ \   / __  / __ \/ __ \/ __/
 *           / /_/ / /_/ / / / / / /  __/  / /_/ / /_/ / /_/ / /_  
 *           \____/\__,_/_/ /_/ /_/\___/  /_____/\____/\____/\__/  
 *                                                 
 *                                 .-'\
 *                              .-'  `/\
 *                           .-'      `/\
 *                           \         `/\
 *                            \         `/\
 *                             \    _-   `/\       _.--.
 *                              \    _-   `/`-..--\     )
 *                               \    _-   `,','  /    ,')
 *                                `-_   -   ` -- ~   ,','
 *                                 `-              ,','
 *                                  \,--.    ____==-~
 *                                   \   \_-~\
 *                                    `_-~_.-'
 *                                     \-~
 * 
 *                       http://mrstampy.github.io/gameboot/
 *
 * Copyright (C) 2015, 2016 Burton Alexander
 * 
 * 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.github.mrstampy.gameboot.otp.netty.client;

import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLEngine;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;

import com.github.mrstampy.gameboot.otp.OtpTestConfiguration;

import io.netty.channel.ChannelInitializer;
import io.netty.channel.ChannelPipeline;
import io.netty.channel.socket.nio.NioSocketChannel;
import io.netty.handler.codec.LengthFieldBasedFrameDecoder;
import io.netty.handler.codec.LengthFieldPrepender;
import io.netty.handler.codec.serialization.ClassResolvers;
import io.netty.handler.codec.serialization.ObjectDecoder;
import io.netty.handler.codec.serialization.ObjectEncoder;
import io.netty.handler.ssl.SslHandler;

/**
 * The Class EncryptedClientInitializer.
 */
public class EncryptedClientInitializer extends ChannelInitializer<NioSocketChannel> {

    @Autowired
    @Qualifier(OtpTestConfiguration.CLIENT_SSL_CONTEXT)
    private SSLContext sslContext;

    @Autowired
    private ClientHandler clientHandler;

    /*
     * (non-Javadoc)
     * 
     * @see
     * io.netty.channel.ChannelInitializer#initChannel(io.netty.channel.Channel)
     */
    @Override
    protected void initChannel(NioSocketChannel ch) throws Exception {
        ChannelPipeline pipeline = ch.pipeline();

        pipeline.addLast(new SslHandler(createSslEngine()));
        pipeline.addLast(new LengthFieldPrepender(2));
        pipeline.addLast(new ObjectEncoder());
        pipeline.addLast(new LengthFieldBasedFrameDecoder(Integer.MAX_VALUE, 0, 2, 0, 2));
        pipeline.addLast(new ObjectDecoder(Integer.MAX_VALUE, ClassResolvers.cacheDisabled(null)));
        pipeline.addLast(clientHandler);
    }

    private SSLEngine createSslEngine() {
        SSLEngine engine = sslContext.createSSLEngine();

        engine.setUseClientMode(true);
        engine.setNeedClientAuth(false);

        return engine;
    }

}