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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 2021 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 io.netty.util.internal.EmptyArrays;
import io.netty.util.internal.PlatformDependent;
import io.netty.util.internal.SuppressJava6Requirement;
import io.netty.util.internal.logging.InternalLogger;
import io.netty.util.internal.logging.InternalLoggerFactory;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLEngine;
import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Method;
import java.lang.reflect.Proxy;
import java.security.AccessController;
import java.security.PrivilegedExceptionAction;
import java.util.List;
import java.util.function.BiFunction;
import static io.netty.handler.ssl.SslUtils.getSSLContext;
@SuppressJava6Requirement(reason = "Usage guarded by java version check")
final class BouncyCastleAlpnSslUtils {
private static final InternalLogger logger = InternalLoggerFactory.getInstance(BouncyCastleAlpnSslUtils.class);
private static final Method SET_PARAMETERS;
private static final Method GET_PARAMETERS;
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;
private static final Class BC_APPLICATION_PROTOCOL_SELECTOR;
private static final Method BC_APPLICATION_PROTOCOL_SELECTOR_SELECT;
static {
Class bcSslEngine;
Method getParameters;
Method setParameters;
Method setApplicationProtocols;
Method getApplicationProtocol;
Method getHandshakeApplicationProtocol;
Method setHandshakeApplicationProtocolSelector;
Method getHandshakeApplicationProtocolSelector;
Method bcApplicationProtocolSelectorSelect;
Class bcApplicationProtocolSelector;
try {
bcSslEngine = Class.forName("org.bouncycastle.jsse.BCSSLEngine");
final Class testBCSslEngine = bcSslEngine;
bcApplicationProtocolSelector =
Class.forName("org.bouncycastle.jsse.BCApplicationProtocolSelector");
final Class testBCApplicationProtocolSelector = bcApplicationProtocolSelector;
bcApplicationProtocolSelectorSelect = AccessController.doPrivileged(
new PrivilegedExceptionAction() {
@Override
public Method run() throws Exception {
return testBCApplicationProtocolSelector.getMethod("select", Object.class, List.class);
}
});
SSLContext context = getSSLContext("BCJSSE");
SSLEngine engine = context.createSSLEngine();
getParameters = AccessController.doPrivileged(new PrivilegedExceptionAction() {
@Override
public Method run() throws Exception {
return testBCSslEngine.getMethod("getParameters");
}
});
final Object bcSslParameters = getParameters.invoke(engine);
final Class bCSslParametersClass = bcSslParameters.getClass();
setParameters = AccessController.doPrivileged(new PrivilegedExceptionAction() {
@Override
public Method run() throws Exception {
return testBCSslEngine.getMethod("setParameters", bCSslParametersClass);
}
});
setParameters.invoke(engine, bcSslParameters);
setApplicationProtocols = AccessController.doPrivileged(new PrivilegedExceptionAction() {
@Override
public Method run() throws Exception {
return bCSslParametersClass.getMethod("setApplicationProtocols", String[].class);
}
});
setApplicationProtocols.invoke(bcSslParameters, new Object[]{EmptyArrays.EMPTY_STRINGS});
getApplicationProtocol = AccessController.doPrivileged(new PrivilegedExceptionAction() {
@Override
public Method run() throws Exception {
return testBCSslEngine.getMethod("getApplicationProtocol");
}
});
getApplicationProtocol.invoke(engine);
getHandshakeApplicationProtocol = AccessController.doPrivileged(new PrivilegedExceptionAction() {
@Override
public Method run() throws Exception {
return testBCSslEngine.getMethod("getHandshakeApplicationProtocol");
}
});
getHandshakeApplicationProtocol.invoke(engine);
setHandshakeApplicationProtocolSelector =
AccessController.doPrivileged(new PrivilegedExceptionAction() {
@Override
public Method run() throws Exception {
return testBCSslEngine.getMethod("setBCHandshakeApplicationProtocolSelector",
testBCApplicationProtocolSelector);
}
});
getHandshakeApplicationProtocolSelector =
AccessController.doPrivileged(new PrivilegedExceptionAction() {
@Override
public Method run() throws Exception {
return testBCSslEngine.getMethod("getBCHandshakeApplicationProtocolSelector");
}
});
getHandshakeApplicationProtocolSelector.invoke(engine);
} catch (Throwable t) {
logger.error("Unable to initialize BouncyCastleAlpnSslUtils.", t);
setParameters = null;
getParameters = null;
setApplicationProtocols = null;
getApplicationProtocol = null;
getHandshakeApplicationProtocol = null;
setHandshakeApplicationProtocolSelector = null;
getHandshakeApplicationProtocolSelector = null;
bcApplicationProtocolSelectorSelect = null;
bcApplicationProtocolSelector = null;
}
SET_PARAMETERS = setParameters;
GET_PARAMETERS = getParameters;
SET_APPLICATION_PROTOCOLS = setApplicationProtocols;
GET_APPLICATION_PROTOCOL = getApplicationProtocol;
GET_HANDSHAKE_APPLICATION_PROTOCOL = getHandshakeApplicationProtocol;
SET_HANDSHAKE_APPLICATION_PROTOCOL_SELECTOR = setHandshakeApplicationProtocolSelector;
GET_HANDSHAKE_APPLICATION_PROTOCOL_SELECTOR = getHandshakeApplicationProtocolSelector;
BC_APPLICATION_PROTOCOL_SELECTOR_SELECT = bcApplicationProtocolSelectorSelect;
BC_APPLICATION_PROTOCOL_SELECTOR = bcApplicationProtocolSelector;
}
private BouncyCastleAlpnSslUtils() {
}
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 void setApplicationProtocols(SSLEngine engine, List supportedProtocols) {
String[] protocolArray = supportedProtocols.toArray(EmptyArrays.EMPTY_STRINGS);
try {
Object bcSslParameters = GET_PARAMETERS.invoke(engine);
SET_APPLICATION_PROTOCOLS.invoke(bcSslParameters, new Object[]{protocolArray});
SET_PARAMETERS.invoke(engine, bcSslParameters);
} catch (UnsupportedOperationException ex) {
throw ex;
} catch (Exception ex) {
throw new IllegalStateException(ex);
}
if (PlatformDependent.javaVersion() >= 9) {
JdkAlpnSslUtils.setApplicationProtocols(engine, supportedProtocols);
}
}
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 setHandshakeApplicationProtocolSelector(
SSLEngine engine, final BiFunction, String> selector) {
try {
Object selectorProxyInstance = Proxy.newProxyInstance(
BouncyCastleAlpnSslUtils.class.getClassLoader(),
new Class[]{BC_APPLICATION_PROTOCOL_SELECTOR},
new InvocationHandler() {
@Override
public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
if (method.getName().equals("select")) {
try {
return selector.apply((SSLEngine) args[0], (List) args[1]);
} catch (ClassCastException e) {
throw new RuntimeException("BCApplicationProtocolSelector select method " +
"parameter of invalid type.", e);
}
} else {
throw new UnsupportedOperationException(String.format("Method '%s' not supported.",
method.getName()));
}
}
});
SET_HANDSHAKE_APPLICATION_PROTOCOL_SELECTOR.invoke(engine, selectorProxyInstance);
} catch (UnsupportedOperationException ex) {
throw ex;
} catch (Exception ex) {
throw new IllegalStateException(ex);
}
}
@SuppressWarnings("unchecked")
static BiFunction, String> getHandshakeApplicationProtocolSelector(SSLEngine engine) {
try {
final Object selector = GET_HANDSHAKE_APPLICATION_PROTOCOL_SELECTOR.invoke(engine);
return new BiFunction, String>() {
@Override
public String apply(SSLEngine sslEngine, List strings) {
try {
return (String) BC_APPLICATION_PROTOCOL_SELECTOR_SELECT.invoke(selector, sslEngine,
strings);
} catch (Exception e) {
throw new RuntimeException("Could not call getHandshakeApplicationProtocolSelector", e);
}
}
};
} catch (UnsupportedOperationException ex) {
throw ex;
} catch (Exception ex) {
throw new IllegalStateException(ex);
}
}
}
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