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Java example source code file (SniClientTest.java)

This example Java source code file (SniClientTest.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

channel, channelinitializer, eventloopgroup, exception, localaddress, mapping, override, selfsignedcertificate, serverbootstrap, sslcontext, sslhandler, sslprovider, string, test

The SniClientTest.java Java example source code

/*
 * Copyright 2016 The Netty Project
 *
 * The Netty Project licenses this file to you under the Apache License,
 * version 2.0 (the "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at:
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations
 * under the License.
 */
package io.netty.handler.ssl;

import io.netty.bootstrap.Bootstrap;
import io.netty.bootstrap.ServerBootstrap;
import io.netty.buffer.ByteBufAllocator;
import io.netty.channel.Channel;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.DefaultEventLoopGroup;
import io.netty.channel.EventLoopGroup;
import io.netty.channel.local.LocalAddress;
import io.netty.channel.local.LocalChannel;
import io.netty.channel.local.LocalServerChannel;
import io.netty.handler.ssl.util.InsecureTrustManagerFactory;
import io.netty.handler.ssl.util.SelfSignedCertificate;
import io.netty.util.Mapping;
import io.netty.util.concurrent.Promise;
import org.junit.Assert;
import org.junit.Assume;
import org.junit.Test;

public class SniClientTest {

    @Test(timeout = 5000)
    public void testSniClientJdkSslServerJdkSsl() throws Exception {
        testSniClient(SslProvider.JDK, SslProvider.JDK);
    }

    @Test(timeout = 5000)
    public void testSniClientOpenSslServerOpenSsl() throws Exception {
        Assume.assumeTrue(OpenSsl.isAvailable());
        testSniClient(SslProvider.OPENSSL, SslProvider.OPENSSL);
    }

    @Test(timeout = 5000)
    public void testSniClientJdkSslServerOpenSsl() throws Exception {
        Assume.assumeTrue(OpenSsl.isAvailable());
        testSniClient(SslProvider.JDK, SslProvider.OPENSSL);
    }

    @Test(timeout = 5000)
    public void testSniClientOpenSslServerJdkSsl() throws Exception {
        Assume.assumeTrue(OpenSsl.isAvailable());
        testSniClient(SslProvider.OPENSSL, SslProvider.JDK);
    }

    private static void testSniClient(SslProvider sslClientProvider, SslProvider sslServerProvider) throws Exception {
        final String sniHost = "sni.netty.io";
        LocalAddress address = new LocalAddress("test");
        EventLoopGroup group = new DefaultEventLoopGroup(1);
        Channel sc = null;
        Channel cc = null;
        try {
            SelfSignedCertificate cert = new SelfSignedCertificate();
            final SslContext sslServerContext = SslContextBuilder.forServer(cert.key(), cert.cert())
                    .sslProvider(sslServerProvider).build();

            final Promise<String> promise = group.next().newPromise();
            ServerBootstrap sb = new ServerBootstrap();
            sc = sb.group(group).channel(LocalServerChannel.class).childHandler(new ChannelInitializer<Channel>() {
                @Override
                protected void initChannel(Channel ch) throws Exception {
                    ch.pipeline().addFirst(new SniHandler(new Mapping<String, SslContext>() {
                        @Override
                        public SslContext map(String input) {
                            promise.setSuccess(input);
                            return sslServerContext;
                        }
                    }));
                }
            }).bind(address).syncUninterruptibly().channel();

            SslContext sslContext = SslContextBuilder.forClient().trustManager(InsecureTrustManagerFactory.INSTANCE)
                    .sslProvider(sslClientProvider).build();
            Bootstrap cb = new Bootstrap();
            cc = cb.group(group).channel(LocalChannel.class).handler(new SslHandler(
                    sslContext.newEngine(ByteBufAllocator.DEFAULT, sniHost, -1)))
                    .connect(address).syncUninterruptibly().channel();
            Assert.assertEquals(sniHost, promise.syncUninterruptibly().getNow());
        } finally {
            if (cc != null) {
                cc.close().syncUninterruptibly();
            }
            if (sc != null) {
                sc.close().syncUninterruptibly();
            }
            group.shutdownGracefully();
        }
    }
}

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