6222101924
Motivation: We can use lambdas now as we use Java8. Modification: use lambda function for all package, #8751 only migrate transport package. Result: Code cleanup.
152 lines
6.6 KiB
Java
152 lines
6.6 KiB
Java
/*
|
|
* Copyright 2017 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 javax.net.ssl.SSLContext;
|
|
import javax.net.ssl.SSLEngine;
|
|
import javax.net.ssl.SSLParameters;
|
|
import java.lang.reflect.Method;
|
|
import java.security.AccessController;
|
|
import java.security.PrivilegedExceptionAction;
|
|
import java.util.List;
|
|
import java.util.function.BiFunction;
|
|
|
|
import io.netty.util.internal.EmptyArrays;
|
|
import io.netty.util.internal.PlatformDependent;
|
|
import io.netty.util.internal.logging.InternalLogger;
|
|
import io.netty.util.internal.logging.InternalLoggerFactory;
|
|
|
|
final class Java9SslUtils {
|
|
private static final InternalLogger logger = InternalLoggerFactory.getInstance(Java9SslUtils.class);
|
|
private static final Method SET_APPLICATION_PROTOCOLS;
|
|
private static final Method GET_APPLICATION_PROTOCOL;
|
|
private static final Method GET_HANDSHAKE_APPLICATION_PROTOCOL;
|
|
private static final Method SET_HANDSHAKE_APPLICATION_PROTOCOL_SELECTOR;
|
|
private static final Method GET_HANDSHAKE_APPLICATION_PROTOCOL_SELECTOR;
|
|
|
|
static {
|
|
Method getHandshakeApplicationProtocol = null;
|
|
Method getApplicationProtocol = null;
|
|
Method setApplicationProtocols = null;
|
|
Method setHandshakeApplicationProtocolSelector = null;
|
|
Method getHandshakeApplicationProtocolSelector = null;
|
|
|
|
try {
|
|
SSLContext context = SSLContext.getInstance(JdkSslContext.PROTOCOL);
|
|
context.init(null, null, null);
|
|
SSLEngine engine = context.createSSLEngine();
|
|
getHandshakeApplicationProtocol = AccessController.doPrivileged((PrivilegedExceptionAction<Method>) () ->
|
|
SSLEngine.class.getMethod("getHandshakeApplicationProtocol"));
|
|
getHandshakeApplicationProtocol.invoke(engine);
|
|
getApplicationProtocol = AccessController.doPrivileged((PrivilegedExceptionAction<Method>) () ->
|
|
SSLEngine.class.getMethod("getApplicationProtocol"));
|
|
getApplicationProtocol.invoke(engine);
|
|
|
|
setApplicationProtocols = AccessController.doPrivileged((PrivilegedExceptionAction<Method>) () ->
|
|
SSLParameters.class.getMethod("setApplicationProtocols", String[].class));
|
|
setApplicationProtocols.invoke(engine.getSSLParameters(), new Object[]{EmptyArrays.EMPTY_STRINGS});
|
|
|
|
setHandshakeApplicationProtocolSelector =
|
|
AccessController.doPrivileged((PrivilegedExceptionAction<Method>) () ->
|
|
SSLEngine.class.getMethod("setHandshakeApplicationProtocolSelector", BiFunction.class));
|
|
setHandshakeApplicationProtocolSelector.invoke(engine,
|
|
(BiFunction<SSLEngine, List<String>, String>) (sslEngine, strings) -> null);
|
|
|
|
getHandshakeApplicationProtocolSelector =
|
|
AccessController.doPrivileged((PrivilegedExceptionAction<Method>) () ->
|
|
SSLEngine.class.getMethod("getHandshakeApplicationProtocolSelector"));
|
|
getHandshakeApplicationProtocolSelector.invoke(engine);
|
|
} catch (Throwable t) {
|
|
logger.error("Unable to initialize Java9SslUtils, but the detected javaVersion was: {}",
|
|
PlatformDependent.javaVersion(), t);
|
|
getHandshakeApplicationProtocol = null;
|
|
getApplicationProtocol = null;
|
|
setApplicationProtocols = null;
|
|
setHandshakeApplicationProtocolSelector = null;
|
|
getHandshakeApplicationProtocolSelector = null;
|
|
}
|
|
GET_HANDSHAKE_APPLICATION_PROTOCOL = getHandshakeApplicationProtocol;
|
|
GET_APPLICATION_PROTOCOL = getApplicationProtocol;
|
|
SET_APPLICATION_PROTOCOLS = setApplicationProtocols;
|
|
SET_HANDSHAKE_APPLICATION_PROTOCOL_SELECTOR = setHandshakeApplicationProtocolSelector;
|
|
GET_HANDSHAKE_APPLICATION_PROTOCOL_SELECTOR = getHandshakeApplicationProtocolSelector;
|
|
}
|
|
|
|
private Java9SslUtils() {
|
|
}
|
|
|
|
static boolean supportsAlpn() {
|
|
return GET_APPLICATION_PROTOCOL != null;
|
|
}
|
|
|
|
static String getApplicationProtocol(SSLEngine sslEngine) {
|
|
try {
|
|
return (String) GET_APPLICATION_PROTOCOL.invoke(sslEngine);
|
|
} catch (UnsupportedOperationException ex) {
|
|
throw ex;
|
|
} catch (Exception ex) {
|
|
throw new IllegalStateException(ex);
|
|
}
|
|
}
|
|
|
|
static String getHandshakeApplicationProtocol(SSLEngine sslEngine) {
|
|
try {
|
|
return (String) GET_HANDSHAKE_APPLICATION_PROTOCOL.invoke(sslEngine);
|
|
} catch (UnsupportedOperationException ex) {
|
|
throw ex;
|
|
} catch (Exception ex) {
|
|
throw new IllegalStateException(ex);
|
|
}
|
|
}
|
|
|
|
static void setApplicationProtocols(SSLEngine engine, List<String> supportedProtocols) {
|
|
SSLParameters parameters = engine.getSSLParameters();
|
|
|
|
String[] protocolArray = supportedProtocols.toArray(EmptyArrays.EMPTY_STRINGS);
|
|
try {
|
|
SET_APPLICATION_PROTOCOLS.invoke(parameters, new Object[]{protocolArray});
|
|
} catch (UnsupportedOperationException ex) {
|
|
throw ex;
|
|
} catch (Exception ex) {
|
|
throw new IllegalStateException(ex);
|
|
}
|
|
engine.setSSLParameters(parameters);
|
|
}
|
|
|
|
static void setHandshakeApplicationProtocolSelector(
|
|
SSLEngine engine, BiFunction<SSLEngine, List<String>, String> selector) {
|
|
try {
|
|
SET_HANDSHAKE_APPLICATION_PROTOCOL_SELECTOR.invoke(engine, selector);
|
|
} catch (UnsupportedOperationException ex) {
|
|
throw ex;
|
|
} catch (Exception ex) {
|
|
throw new IllegalStateException(ex);
|
|
}
|
|
}
|
|
|
|
static BiFunction<SSLEngine, List<String>, String> getHandshakeApplicationProtocolSelector(SSLEngine engine) {
|
|
try {
|
|
return (BiFunction<SSLEngine, List<String>, String>)
|
|
GET_HANDSHAKE_APPLICATION_PROTOCOL_SELECTOR.invoke(engine);
|
|
} catch (UnsupportedOperationException ex) {
|
|
throw ex;
|
|
} catch (Exception ex) {
|
|
throw new IllegalStateException(ex);
|
|
}
|
|
}
|
|
}
|