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Java example source code file (SocketSslSessionReuseTest.java)

This example Java source code file (SocketSslSessionReuseTest.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

atomicreference, bytebuf, cert_file, channelinitializer, exception, key_file, net, network, override, readanddiscardhandler, selfsignedcertificate, set, socketsslsessionreusetest, ssl, sslcontext, sslengine, throwable, util

The SocketSslSessionReuseTest.java Java example source code

/*
 * Copyright 2015 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.testsuite.transport.socket;

import io.netty.bootstrap.Bootstrap;
import io.netty.bootstrap.ServerBootstrap;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.ByteBufUtil;
import io.netty.buffer.Unpooled;
import io.netty.channel.Channel;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.ChannelHandler.Sharable;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.SimpleChannelInboundHandler;
import io.netty.channel.socket.SocketChannel;
import io.netty.handler.ssl.JdkSslClientContext;
import io.netty.handler.ssl.JdkSslContext;
import io.netty.handler.ssl.JdkSslServerContext;
import io.netty.handler.ssl.SslContext;
import io.netty.handler.ssl.SslHandler;
import io.netty.handler.ssl.util.SelfSignedCertificate;
import io.netty.util.internal.logging.InternalLogger;
import io.netty.util.internal.logging.InternalLoggerFactory;

import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameters;

import javax.net.ssl.SSLEngine;
import javax.net.ssl.SSLSessionContext;

import java.io.File;
import java.io.IOException;
import java.net.InetSocketAddress;
import java.security.cert.CertificateException;
import java.util.Collection;
import java.util.Collections;
import java.util.Enumeration;
import java.util.HashSet;
import java.util.Set;
import java.util.concurrent.atomic.AtomicReference;

import static org.junit.Assert.*;

@RunWith(Parameterized.class)
public class SocketSslSessionReuseTest extends AbstractSocketTest {

    private static final InternalLogger logger = InternalLoggerFactory.getInstance(SocketSslSessionReuseTest.class);

    private static final File CERT_FILE;
    private static final File KEY_FILE;

    static {
        SelfSignedCertificate ssc;
        try {
            ssc = new SelfSignedCertificate();
        } catch (CertificateException e) {
            throw new Error(e);
        }
        CERT_FILE = ssc.certificate();
        KEY_FILE = ssc.privateKey();
    }

    @Parameters(name = "{index}: serverEngine = {0}, clientEngine = {1}")
    public static Collection<Object[]> data() throws Exception {
        return Collections.singletonList(new Object[] {
            new JdkSslServerContext(CERT_FILE, KEY_FILE),
            new JdkSslClientContext(CERT_FILE)
        });
    }

    private final SslContext serverCtx;
    private final SslContext clientCtx;

    public SocketSslSessionReuseTest(SslContext serverCtx, SslContext clientCtx) {
        this.serverCtx = serverCtx;
        this.clientCtx = clientCtx;
    }

    @Test(timeout = 30000)
    public void testSslSessionReuse() throws Throwable {
        run();
    }

    public void testSslSessionReuse(ServerBootstrap sb, Bootstrap cb) throws Throwable {
        final ReadAndDiscardHandler sh = new ReadAndDiscardHandler(true, true);
        final ReadAndDiscardHandler ch = new ReadAndDiscardHandler(false, true);
        final String[] protocols = new String[]{ "TLSv1", "TLSv1.1", "TLSv1.2" };

        sb.childHandler(new ChannelInitializer<SocketChannel>() {
            @Override
            protected void initChannel(SocketChannel sch) throws Exception {
                SSLEngine engine = serverCtx.newEngine(sch.alloc());
                engine.setUseClientMode(false);
                engine.setEnabledProtocols(protocols);

                sch.pipeline().addLast(new SslHandler(engine));
                sch.pipeline().addLast(sh);
            }
        });
        final Channel sc = sb.bind().sync().channel();

        cb.handler(new ChannelInitializer<SocketChannel>() {
            @Override
            protected void initChannel(SocketChannel sch) throws Exception {
                InetSocketAddress serverAddr = (InetSocketAddress) sc.localAddress();
                SSLEngine engine = clientCtx.newEngine(sch.alloc(), serverAddr.getHostString(), serverAddr.getPort());
                engine.setUseClientMode(true);
                engine.setEnabledProtocols(protocols);

                sch.pipeline().addLast(new SslHandler(engine));
                sch.pipeline().addLast(ch);
            }
        });

        try {
            SSLSessionContext clientSessionCtx = ((JdkSslContext) clientCtx).sessionContext();
            ByteBuf msg = Unpooled.wrappedBuffer(new byte[] { 0xa, 0xb, 0xc, 0xd }, 0, 4);
            Channel cc = cb.connect().sync().channel();
            cc.writeAndFlush(msg).sync();
            cc.closeFuture().sync();
            rethrowHandlerExceptions(sh, ch);
            Set<String> sessions = sessionIdSet(clientSessionCtx.getIds());

            msg = Unpooled.wrappedBuffer(new byte[] { 0xa, 0xb, 0xc, 0xd }, 0, 4);
            cc = cb.connect().sync().channel();
            cc.writeAndFlush(msg).sync();
            cc.closeFuture().sync();
            assertEquals("Expected no new sessions", sessions, sessionIdSet(clientSessionCtx.getIds()));
            rethrowHandlerExceptions(sh, ch);
        } finally {
            sc.close().awaitUninterruptibly();
        }
    }

    private void rethrowHandlerExceptions(ReadAndDiscardHandler sh, ReadAndDiscardHandler ch) throws Throwable {
        if (sh.exception.get() != null && !(sh.exception.get() instanceof IOException)) {
            throw sh.exception.get();
        }
        if (ch.exception.get() != null && !(ch.exception.get() instanceof IOException)) {
            throw ch.exception.get();
        }
        if (sh.exception.get() != null) {
            throw sh.exception.get();
        }
        if (ch.exception.get() != null) {
            throw ch.exception.get();
        }
    }

    private Set<String> sessionIdSet(Enumeration sessionIds) {
        Set<String> idSet = new HashSet();
        byte[] id;
        while (sessionIds.hasMoreElements()) {
            id = sessionIds.nextElement();
            idSet.add(ByteBufUtil.hexDump(Unpooled.wrappedBuffer(id)));
        }
        return idSet;
    }

    @Sharable
    private static class ReadAndDiscardHandler extends SimpleChannelInboundHandler<ByteBuf> {
        final AtomicReference<Throwable> exception = new AtomicReference();
        private final boolean server;
        private final boolean autoRead;

        ReadAndDiscardHandler(boolean server, boolean autoRead) {
            this.server = server;
            this.autoRead = autoRead;
        }

        @Override
        public void channelRead0(ChannelHandlerContext ctx, ByteBuf in) throws Exception {
            byte[] actual = new byte[in.readableBytes()];
            in.readBytes(actual);
            ctx.close();
        }

        @Override
        public void channelReadComplete(ChannelHandlerContext ctx) throws Exception {
            try {
                ctx.flush();
            } finally {
                if (!autoRead) {
                    ctx.read();
                }
            }
        }

        @Override
        public void exceptionCaught(ChannelHandlerContext ctx,
                Throwable cause) throws Exception {
            if (logger.isWarnEnabled()) {
                logger.warn(
                        "Unexpected exception from the " +
                        (server? "server" : "client") + " side", cause);
            }

            exception.compareAndSet(null, cause);
            ctx.close();
        }
    }
}

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