dubbo SslClientTlsHandler 源码
dubbo SslClientTlsHandler 代码
文件路径：/dubbo-remoting/dubbo-remoting-api/src/main/java/org/apache/dubbo/remoting/api/SslClientTlsHandler.java
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF 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 org.apache.dubbo.remoting.api;
import org.apache.dubbo.common.URL;
import org.apache.dubbo.common.logger.Logger;
import org.apache.dubbo.common.logger.LoggerFactory;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.ChannelInboundHandlerAdapter;
import io.netty.handler.ssl.SslContext;
import io.netty.handler.ssl.SslHandler;
import io.netty.handler.ssl.SslHandshakeCompletionEvent;
import javax.net.ssl.SSLEngine;
import javax.net.ssl.SSLSession;
public class SslClientTlsHandler extends ChannelInboundHandlerAdapter {
private static final Logger logger = LoggerFactory.getLogger(SslClientTlsHandler.class);
private final SslContext sslContext;
public SslClientTlsHandler(URL url) {
this(SslContexts.buildClientSslContext(url));
}
public SslClientTlsHandler(SslContext sslContext) {
this.sslContext = sslContext;
}
@Override
public void handlerAdded(ChannelHandlerContext ctx) {
SSLEngine sslEngine = sslContext.newEngine(ctx.alloc());
ctx.pipeline().addAfter(ctx.name(), null, new SslHandler(sslEngine, false));
}
@Override
public void userEventTriggered(ChannelHandlerContext ctx, Object evt) throws Exception {
if (evt instanceof SslHandshakeCompletionEvent) {
SslHandshakeCompletionEvent handshakeEvent = (SslHandshakeCompletionEvent) evt;
if (handshakeEvent.isSuccess()) {
SSLSession session = ctx.pipeline().get(SslHandler.class).engine().getSession();
logger.info("TLS negotiation succeed with session: " + session);
ctx.pipeline().remove(this);
} else {
logger.error("TLS negotiation failed when trying to accept new connection.", handshakeEvent.cause());
ctx.fireExceptionCaught(handshakeEvent.cause());
}
}
}
}
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