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Easy Redis Java client and Real-Time Data Platform. Valkey compatible. Sync/Async/RxJava3/Reactive API. Client side caching. Over 50 Redis based Java objects and services: JCache API, Apache Tomcat, Hibernate, Spring, Set, Multimap, SortedSet, Map, List, Queue, Deque, Semaphore, Lock, AtomicLong, Map Reduce, Bloom filter, Scheduler, RPC
/*
* 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:
*
* https://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 static io.netty.handler.ssl.SslUtils.toSSLHandshakeException;
import static io.netty.util.internal.ObjectUtil.checkNotNull;
import io.netty.handler.ssl.JdkApplicationProtocolNegotiator.ProtocolSelectionListener;
import io.netty.handler.ssl.JdkApplicationProtocolNegotiator.ProtocolSelector;
import java.util.LinkedHashSet;
import java.util.List;
import javax.net.ssl.SSLEngine;
import javax.net.ssl.SSLException;
import io.netty.util.internal.PlatformDependent;
import org.eclipse.jetty.alpn.ALPN;
abstract class JettyAlpnSslEngine extends JdkSslEngine {
private static final boolean available = initAvailable();
static boolean isAvailable() {
return available;
}
private static boolean initAvailable() {
if (PlatformDependent.javaVersion() <= 8) {
try {
// Always use bootstrap class loader.
Class.forName("sun.security.ssl.ALPNExtension", true, null);
return true;
} catch (Throwable ignore) {
// alpn-boot was not loaded.
}
}
return false;
}
static JettyAlpnSslEngine newClientEngine(SSLEngine engine,
JdkApplicationProtocolNegotiator applicationNegotiator) {
return new ClientEngine(engine, applicationNegotiator);
}
static JettyAlpnSslEngine newServerEngine(SSLEngine engine,
JdkApplicationProtocolNegotiator applicationNegotiator) {
return new ServerEngine(engine, applicationNegotiator);
}
private JettyAlpnSslEngine(SSLEngine engine) {
super(engine);
}
private static final class ClientEngine extends JettyAlpnSslEngine {
ClientEngine(SSLEngine engine, final JdkApplicationProtocolNegotiator applicationNegotiator) {
super(engine);
checkNotNull(applicationNegotiator, "applicationNegotiator");
final ProtocolSelectionListener protocolListener = checkNotNull(applicationNegotiator
.protocolListenerFactory().newListener(this, applicationNegotiator.protocols()),
"protocolListener");
ALPN.put(engine, new ALPN.ClientProvider() {
@Override
public List protocols() {
return applicationNegotiator.protocols();
}
@Override
public void selected(String protocol) throws SSLException {
try {
protocolListener.selected(protocol);
} catch (Throwable t) {
throw toSSLHandshakeException(t);
}
}
@Override
public void unsupported() {
protocolListener.unsupported();
}
});
}
@Override
public void closeInbound() throws SSLException {
try {
ALPN.remove(getWrappedEngine());
} finally {
super.closeInbound();
}
}
@Override
public void closeOutbound() {
try {
ALPN.remove(getWrappedEngine());
} finally {
super.closeOutbound();
}
}
}
private static final class ServerEngine extends JettyAlpnSslEngine {
ServerEngine(SSLEngine engine, final JdkApplicationProtocolNegotiator applicationNegotiator) {
super(engine);
checkNotNull(applicationNegotiator, "applicationNegotiator");
final ProtocolSelector protocolSelector = checkNotNull(applicationNegotiator.protocolSelectorFactory()
.newSelector(this, new LinkedHashSet(applicationNegotiator.protocols())),
"protocolSelector");
ALPN.put(engine, new ALPN.ServerProvider() {
@Override
public String select(List protocols) throws SSLException {
try {
return protocolSelector.select(protocols);
} catch (Throwable t) {
throw toSSLHandshakeException(t);
}
}
@Override
public void unsupported() {
protocolSelector.unsupported();
}
});
}
@Override
public void closeInbound() throws SSLException {
try {
ALPN.remove(getWrappedEngine());
} finally {
super.closeInbound();
}
}
@Override
public void closeOutbound() {
try {
ALPN.remove(getWrappedEngine());
} finally {
super.closeOutbound();
}
}
}
}
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