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Java example source code file (JdkSslEngineTest.java)

This example Java source code file (JdkSslEngineTest.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

application_level_protocol_not_compatible, applicationprotocolconfig, exception, fallback_application_level_protocol, jdkalpnapplicationprotocolnegotiator, jdkapplicationprotocolnegotiator, net, override, preferred_application_level_protocol, protocolselector, selfsignedcertificate, skiptestexception, ssl, sslcontext, sslhandshakeexception, string, threading, threads, util

The JdkSslEngineTest.java Java example source code

/*
 * Copyright 2014 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.handler.ssl.ApplicationProtocolConfig.Protocol;
import io.netty.handler.ssl.ApplicationProtocolConfig.SelectedListenerFailureBehavior;
import io.netty.handler.ssl.ApplicationProtocolConfig.SelectorFailureBehavior;
import io.netty.handler.ssl.JdkApplicationProtocolNegotiator.ProtocolSelector;
import io.netty.handler.ssl.JdkApplicationProtocolNegotiator.ProtocolSelectorFactory;
import io.netty.handler.ssl.util.InsecureTrustManagerFactory;
import io.netty.handler.ssl.util.SelfSignedCertificate;
import org.junit.Test;

import javax.net.ssl.SSLEngine;
import javax.net.ssl.SSLHandshakeException;
import java.util.List;
import java.util.Set;
import java.util.concurrent.TimeUnit;

import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
import static org.junit.Assume.assumeNoException;

public class JdkSslEngineTest 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";
    private static final String APPLICATION_LEVEL_PROTOCOL_NOT_COMPATIBLE = "my-protocol-FOO";

    @Test
    public void testNpn() throws Exception {
        try {
            // Typical code will not have to check this, but will get a initialization error on class load.
            // Check in this test just in case we have multiple tests that just the class and we already ignored the
            // initialization error.
            if (!JdkNpnSslEngine.isAvailable()) {
                throw tlsExtensionNotFound(Protocol.NPN);
            }
            ApplicationProtocolConfig apn = failingNegotiator(Protocol.NPN,
                    PREFERRED_APPLICATION_LEVEL_PROTOCOL);
            setupHandlers(apn);
            runTest();
        } catch (SkipTestException e) {
            // NPN availability is dependent on the java version. If NPN is not available because of
            // java version incompatibility don't fail the test, but instead just skip the test
            assumeNoException(e);
        }
    }

    @Test
    public void testNpnNoCompatibleProtocolsNoHandshakeFailure() throws Exception {
        try {
            // Typical code will not have to check this, but will get a initialization error on class load.
            // Check in this test just in case we have multiple tests that just the class and we already ignored the
            // initialization error.
            if (!JdkNpnSslEngine.isAvailable()) {
                throw tlsExtensionNotFound(Protocol.NPN);
            }
            ApplicationProtocolConfig clientApn = acceptingNegotiator(Protocol.NPN,
                    PREFERRED_APPLICATION_LEVEL_PROTOCOL);
            ApplicationProtocolConfig serverApn = acceptingNegotiator(Protocol.NPN,
                    APPLICATION_LEVEL_PROTOCOL_NOT_COMPATIBLE);
            setupHandlers(serverApn, clientApn);
            runTest(null);
        } catch (SkipTestException e) {
            // ALPN availability is dependent on the java version. If ALPN is not available because of
            // java version incompatibility don't fail the test, but instead just skip the test
            assumeNoException(e);
        }
    }

    @Test
    public void testNpnNoCompatibleProtocolsClientHandshakeFailure() throws Exception {
        try {
            // Typical code will not have to check this, but will get a initialization error on class load.
            // Check in this test just in case we have multiple tests that just the class and we already ignored the
            // initialization error.
            if (!JdkNpnSslEngine.isAvailable()) {
                throw tlsExtensionNotFound(Protocol.NPN);
            }
            ApplicationProtocolConfig clientApn = failingNegotiator(Protocol.NPN,
                    PREFERRED_APPLICATION_LEVEL_PROTOCOL);
            ApplicationProtocolConfig serverApn = acceptingNegotiator(Protocol.NPN,
                    APPLICATION_LEVEL_PROTOCOL_NOT_COMPATIBLE);
            setupHandlers(serverApn, clientApn);
            assertTrue(clientLatch.await(2, TimeUnit.SECONDS));
            assertTrue(clientException instanceof SSLHandshakeException);
        } catch (SkipTestException e) {
            // NPN availability is dependent on the java version. If NPN is not available because of
            // java version incompatibility don't fail the test, but instead just skip the test
            assumeNoException(e);
        }
    }

    @Test
    public void testNpnNoCompatibleProtocolsServerHandshakeFailure() throws Exception {
        try {
            // Typical code will not have to check this, but will get a initialization error on class load.
            // Check in this test just in case we have multiple tests that just the class and we already ignored the
            // initialization error.
            if (!JdkNpnSslEngine.isAvailable()) {
                throw tlsExtensionNotFound(Protocol.NPN);
            }
            ApplicationProtocolConfig clientApn = acceptingNegotiator(Protocol.NPN,
                    PREFERRED_APPLICATION_LEVEL_PROTOCOL);
            ApplicationProtocolConfig serverApn = failingNegotiator(Protocol.NPN,
                    APPLICATION_LEVEL_PROTOCOL_NOT_COMPATIBLE);
            setupHandlers(serverApn, clientApn);
            assertTrue(serverLatch.await(2, TimeUnit.SECONDS));
            assertTrue(serverException instanceof SSLHandshakeException);
        } catch (SkipTestException e) {
            // NPN availability is dependent on the java version. If NPN is not available because of
            // java version incompatibility don't fail the test, but instead just skip the test
            assumeNoException(e);
        }
    }

    @Test
    public void testAlpn() throws Exception {
        try {
            // Typical code will not have to check this, but will get a initialization error on class load.
            // Check in this test just in case we have multiple tests that just the class and we already ignored the
            // initialization error.
            if (!JdkAlpnSslEngine.isAvailable()) {
                throw tlsExtensionNotFound(Protocol.ALPN);
            }
            ApplicationProtocolConfig apn = failingNegotiator(Protocol.ALPN,
                    PREFERRED_APPLICATION_LEVEL_PROTOCOL);
            setupHandlers(apn);
            runTest();
        } catch (SkipTestException e) {
            // ALPN availability is dependent on the java version. If ALPN is not available because of
            // java version incompatibility don't fail the test, but instead just skip the test
            assumeNoException(e);
        }
    }

    @Test
    public void testAlpnNoCompatibleProtocolsNoHandshakeFailure() throws Exception {
        try {
            // Typical code will not have to check this, but will get a initialization error on class load.
            // Check in this test just in case we have multiple tests that just the class and we already ignored the
            // initialization error.
            if (!JdkAlpnSslEngine.isAvailable()) {
                throw tlsExtensionNotFound(Protocol.ALPN);
            }
            ApplicationProtocolConfig clientApn = acceptingNegotiator(Protocol.ALPN,
                    PREFERRED_APPLICATION_LEVEL_PROTOCOL);
            ApplicationProtocolConfig serverApn = acceptingNegotiator(Protocol.ALPN,
                    APPLICATION_LEVEL_PROTOCOL_NOT_COMPATIBLE);
            setupHandlers(serverApn, clientApn);
            runTest(null);
        } catch (SkipTestException e) {
            // ALPN availability is dependent on the java version. If ALPN is not available because of
            // java version incompatibility don't fail the test, but instead just skip the test
            assumeNoException(e);
        }
    }

    @Test
    public void testAlpnNoCompatibleProtocolsServerHandshakeFailure() throws Exception {
        try {
            // Typical code will not have to check this, but will get a initialization error on class load.
            // Check in this test just in case we have multiple tests that just the class and we already ignored the
            // initialization error.
            if (!JdkAlpnSslEngine.isAvailable()) {
                throw tlsExtensionNotFound(Protocol.ALPN);
            }
            ApplicationProtocolConfig clientApn = acceptingNegotiator(Protocol.ALPN,
                    PREFERRED_APPLICATION_LEVEL_PROTOCOL);
            ApplicationProtocolConfig serverApn = failingNegotiator(Protocol.ALPN,
                    APPLICATION_LEVEL_PROTOCOL_NOT_COMPATIBLE);
            setupHandlers(serverApn, clientApn);
            assertTrue(serverLatch.await(2, TimeUnit.SECONDS));
            assertTrue(serverException instanceof SSLHandshakeException);
        } catch (SkipTestException e) {
            // ALPN availability is dependent on the java version. If ALPN is not available because of
            // java version incompatibility don't fail the test, but instead just skip the test
            assumeNoException(e);
        }
    }

    @Test
    public void testAlpnCompatibleProtocolsDifferentClientOrder() throws Exception {
        try {
            // Typical code will not have to check this, but will get a initialization error on class load.
            // Check in this test just in case we have multiple tests that just the class and we already ignored the
            // initialization error.
            if (!JdkAlpnSslEngine.isAvailable()) {
                throw tlsExtensionNotFound(Protocol.ALPN);
            }
            // Even the preferred application protocol appears second in the client's list, it will be picked
            // because it's the first one on server's list.
            ApplicationProtocolConfig clientApn = acceptingNegotiator(Protocol.ALPN,
                FALLBACK_APPLICATION_LEVEL_PROTOCOL, PREFERRED_APPLICATION_LEVEL_PROTOCOL);
            ApplicationProtocolConfig serverApn = failingNegotiator(Protocol.ALPN,
                PREFERRED_APPLICATION_LEVEL_PROTOCOL, FALLBACK_APPLICATION_LEVEL_PROTOCOL);
            setupHandlers(serverApn, clientApn);
            assertNull(serverException);
            runTest(PREFERRED_APPLICATION_LEVEL_PROTOCOL);
        } catch (SkipTestException e) {
            // ALPN availability is dependent on the java version. If ALPN is not available because of
            // java version incompatibility don't fail the test, but instead just skip the test
            assumeNoException(e);
        }
    }

    @Test
    public void testAlpnNoCompatibleProtocolsClientHandshakeFailure() throws Exception {
        try {
            // Typical code will not have to check this, but will get a initialization error on class load.
            // Check in this test just in case we have multiple tests that just the class and we already ignored the
            // initialization error.
            if (!JdkAlpnSslEngine.isAvailable()) {
                throw tlsExtensionNotFound(Protocol.ALPN);
            }
            SelfSignedCertificate ssc = new SelfSignedCertificate();
            JdkApplicationProtocolNegotiator clientApn = new JdkAlpnApplicationProtocolNegotiator(true, true,
                    PREFERRED_APPLICATION_LEVEL_PROTOCOL);
            JdkApplicationProtocolNegotiator serverApn = new JdkAlpnApplicationProtocolNegotiator(
                    new ProtocolSelectorFactory() {
                        @Override
                        public ProtocolSelector newSelector(SSLEngine engine, Set<String> supportedProtocols) {
                            return new ProtocolSelector() {
                                @Override
                                public void unsupported() {
                                }

                                @Override
                                public String select(List<String> protocols) {
                                    return APPLICATION_LEVEL_PROTOCOL_NOT_COMPATIBLE;
                                }
                            };
                        }
                    }, JdkBaseApplicationProtocolNegotiator.FAIL_SELECTION_LISTENER_FACTORY,
                    APPLICATION_LEVEL_PROTOCOL_NOT_COMPATIBLE);

            SslContext serverSslCtx = new JdkSslServerContext(ssc.certificate(), ssc.privateKey(), null, null,
                    IdentityCipherSuiteFilter.INSTANCE, serverApn, 0, 0);
            SslContext clientSslCtx = new JdkSslClientContext(null, InsecureTrustManagerFactory.INSTANCE, null,
                    IdentityCipherSuiteFilter.INSTANCE, clientApn, 0, 0);

            setupHandlers(serverSslCtx, clientSslCtx);
            assertTrue(clientLatch.await(2, TimeUnit.SECONDS));
            assertTrue(clientException instanceof SSLHandshakeException);
        } catch (SkipTestException e) {
            // ALPN availability is dependent on the java version. If ALPN is not available because of
            // java version incompatibility don't fail the test, but instead just skip the test
            assumeNoException(e);
        }
    }

    @Test
    public void testEnablingAnAlreadyDisabledSslProtocol() throws Exception {
        testEnablingAnAlreadyDisabledSslProtocol(new String[]{}, new String[]{PROTOCOL_TLS_V1_2});
    }

    private void runTest() throws Exception {
        runTest(PREFERRED_APPLICATION_LEVEL_PROTOCOL);
    }

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

    private ApplicationProtocolConfig failingNegotiator(Protocol protocol,
                                                        String... supportedProtocols) {
        return new ApplicationProtocolConfig(protocol,
                SelectorFailureBehavior.FATAL_ALERT,
                SelectedListenerFailureBehavior.FATAL_ALERT,
                supportedProtocols);
    }

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

    private SkipTestException tlsExtensionNotFound(Protocol protocol) {
        throw new SkipTestException(protocol + " not on classpath");
    }

    private static final class SkipTestException extends RuntimeException {
        public SkipTestException(String message) {
            super(message);
        }
    }
}

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