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Java example source code file (OpenSslEngineTest.java)

This example Java source code file (OpenSslEngineTest.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

applicationprotocolconfig, beforeclass, bytebuffer, exception, fallback_application_level_protocol, net, nio, opensslenginetest, preferred_application_level_protocol, protocol_ssl_v2_hello, selfsignedcertificate, ssl, sslcontext, sslengine, sslprovider, string, test

The OpenSslEngineTest.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.handler.ssl;

import io.netty.buffer.UnpooledByteBufAllocator;
import io.netty.handler.ssl.util.InsecureTrustManagerFactory;
import io.netty.handler.ssl.util.SelfSignedCertificate;
import io.netty.util.internal.ThreadLocalRandom;
import org.junit.BeforeClass;
import org.junit.Test;

import io.netty.handler.ssl.ApplicationProtocolConfig.Protocol;
import io.netty.handler.ssl.ApplicationProtocolConfig.SelectedListenerFailureBehavior;
import io.netty.handler.ssl.ApplicationProtocolConfig.SelectorFailureBehavior;

import javax.net.ssl.SSLEngine;
import javax.net.ssl.SSLEngineResult;
import java.nio.ByteBuffer;

import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertSame;
import static org.junit.Assume.assumeTrue;

public class OpenSslEngineTest extends SSLEngineTest {
    private static final String PREFERRED_APPLICATION_LEVEL_PROTOCOL = "my-protocol-http2";
    private static final String FALLBACK_APPLICATION_LEVEL_PROTOCOL = "my-protocol-http1_1";

    @BeforeClass
    public static void checkOpenSsl() {
        assumeTrue(OpenSsl.isAvailable());
    }

    @Test
    public void testNpn() throws Exception {
        ApplicationProtocolConfig apn = acceptingNegotiator(Protocol.NPN,
                PREFERRED_APPLICATION_LEVEL_PROTOCOL);
        setupHandlers(apn);
        runTest(PREFERRED_APPLICATION_LEVEL_PROTOCOL);
    }

    @Test
    public void testAlpn() throws Exception {
        assumeTrue(OpenSsl.isAlpnSupported());
        ApplicationProtocolConfig apn = acceptingNegotiator(Protocol.ALPN,
                PREFERRED_APPLICATION_LEVEL_PROTOCOL);
        setupHandlers(apn);
        runTest(PREFERRED_APPLICATION_LEVEL_PROTOCOL);
    }

    @Test
    public void testAlpnCompatibleProtocolsDifferentClientOrder() throws Exception {
        assumeTrue(OpenSsl.isAlpnSupported());
        ApplicationProtocolConfig clientApn = acceptingNegotiator(Protocol.ALPN,
                FALLBACK_APPLICATION_LEVEL_PROTOCOL, PREFERRED_APPLICATION_LEVEL_PROTOCOL);
        ApplicationProtocolConfig serverApn = acceptingNegotiator(Protocol.ALPN,
                PREFERRED_APPLICATION_LEVEL_PROTOCOL, FALLBACK_APPLICATION_LEVEL_PROTOCOL);
        setupHandlers(serverApn, clientApn);
        assertNull(serverException);
        runTest(PREFERRED_APPLICATION_LEVEL_PROTOCOL);
    }

    @Test
    public void testEnablingAnAlreadyDisabledSslProtocol() throws Exception {
        testEnablingAnAlreadyDisabledSslProtocol(new String[]{PROTOCOL_SSL_V2_HELLO},
            new String[]{PROTOCOL_SSL_V2_HELLO, PROTOCOL_TLS_V1_2});
    }
    @Test
    public void testWrapHeapBuffersNoWritePendingError() throws Exception {
        final SslContext clientContext = SslContextBuilder.forClient()
                .trustManager(InsecureTrustManagerFactory.INSTANCE)
                .sslProvider(sslProvider())
                .build();
        SelfSignedCertificate ssc = new SelfSignedCertificate();
        SslContext serverContext = SslContextBuilder.forServer(ssc.certificate(), ssc.privateKey())
                .sslProvider(sslProvider())
                .build();
        SSLEngine clientEngine = clientContext.newEngine(UnpooledByteBufAllocator.DEFAULT);
        SSLEngine serverEngine = serverContext.newEngine(UnpooledByteBufAllocator.DEFAULT);
        handshake(clientEngine, serverEngine);

        ByteBuffer src = ByteBuffer.allocate(1024 * 10);
        ThreadLocalRandom.current().nextBytes(src.array());
        ByteBuffer dst = ByteBuffer.allocate(1);
        // Try to wrap multiple times so we are more likely to hit the issue.
        for (int i = 0; i < 100; i++) {
            src.position(0);
            dst.position(0);
            assertSame(SSLEngineResult.Status.BUFFER_OVERFLOW, clientEngine.wrap(src, dst).getStatus());
        }
    }

    @Override
    protected SslProvider sslProvider() {
        return SslProvider.OPENSSL;
    }

    private static ApplicationProtocolConfig acceptingNegotiator(Protocol protocol,
            String... supportedProtocols) {
        return new ApplicationProtocolConfig(protocol,
                SelectorFailureBehavior.NO_ADVERTISE,
                SelectedListenerFailureBehavior.ACCEPT,
                supportedProtocols);
    }
}

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