e8efcd82a8
Motivation: We can just use Objects.requireNonNull(...) as a replacement for ObjectUtil.checkNotNull(....) Modifications: - Use Objects.requireNonNull(...) Result: Less code to maintain.
158 lines
5.4 KiB
Java
158 lines
5.4 KiB
Java
/*
|
|
* 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 static io.netty.handler.ssl.SslUtils.toSSLHandshakeException;
|
|
import static java.util.Objects.requireNonNull;
|
|
|
|
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);
|
|
requireNonNull(applicationNegotiator, "applicationNegotiator");
|
|
final ProtocolSelectionListener protocolListener = requireNonNull(applicationNegotiator
|
|
.protocolListenerFactory().newListener(this, applicationNegotiator.protocols()),
|
|
"protocolListener");
|
|
ALPN.put(engine, new ALPN.ClientProvider() {
|
|
@Override
|
|
public List<String> 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);
|
|
requireNonNull(applicationNegotiator, "applicationNegotiator");
|
|
final ProtocolSelector protocolSelector = requireNonNull(applicationNegotiator.protocolSelectorFactory()
|
|
.newSelector(this, new LinkedHashSet<>(applicationNegotiator.protocols())),
|
|
"protocolSelector");
|
|
ALPN.put(engine, new ALPN.ServerProvider() {
|
|
@Override
|
|
public String select(List<String> 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();
|
|
}
|
|
}
|
|
}
|
|
}
|