/**
* 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.camel.component.netty.http;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLEngine;
import org.apache.camel.component.netty.ClientPipelineFactory;
import org.apache.camel.component.netty.NettyProducer;
import org.apache.camel.component.netty.http.handlers.HttpClientChannelHandler;
import org.apache.camel.component.netty.ssl.SSLEngineFactory;
import org.apache.camel.util.ObjectHelper;
import org.jboss.netty.channel.ChannelPipeline;
import org.jboss.netty.channel.Channels;
import org.jboss.netty.handler.codec.http.HttpClientCodec;
import org.jboss.netty.handler.ssl.SslHandler;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* {@link org.apache.camel.component.netty.ClientPipelineFactory} for the Netty HTTP client.
*/
public class HttpClientPipelineFactory extends ClientPipelineFactory {
private static final Logger LOG = LoggerFactory.getLogger(HttpClientPipelineFactory.class);
private NettyHttpProducer producer;
private SSLContext sslContext;
public HttpClientPipelineFactory() {
// default constructor needed
}
public HttpClientPipelineFactory(NettyHttpProducer nettyProducer) {
this.producer = nettyProducer;
try {
this.sslContext = createSSLContext(producer);
} catch (Exception e) {
throw ObjectHelper.wrapRuntimeCamelException(e);
}
if (sslContext != null) {
LOG.info("Created SslContext {}", sslContext);
}
}
@Override
public ClientPipelineFactory createPipelineFactory(NettyProducer nettyProducer) {
return new HttpClientPipelineFactory((NettyHttpProducer) nettyProducer);
}
@Override
public ChannelPipeline getPipeline() throws Exception {
ChannelPipeline pipeline = Channels.pipeline();
SslHandler sslHandler = configureClientSSLOnDemand();
if (sslHandler != null) {
// must close on SSL exception
sslHandler.setCloseOnSSLException(true);
LOG.debug("Client SSL handler configured and added as an interceptor against the ChannelPipeline: {}", sslHandler);
pipeline.addLast("ssl", sslHandler);
}
pipeline.addLast("http", new HttpClientCodec());
// handler to route Camel messages
pipeline.addLast("handler", new HttpClientChannelHandler(producer));
return pipeline;
}
private SSLContext createSSLContext(NettyProducer producer) throws Exception {
if (!producer.getConfiguration().isSsl()) {
return null;
}
// create ssl context once
if (producer.getConfiguration().getSslContextParameters() != null) {
SSLContext context = producer.getConfiguration().getSslContextParameters().createSSLContext();
return context;
}
return null;
}
private SslHandler configureClientSSLOnDemand() throws Exception {
if (!producer.getConfiguration().isSsl()) {
return null;
}
if (producer.getConfiguration().getSslHandler() != null) {
return producer.getConfiguration().getSslHandler();
} else if (sslContext != null) {
SSLEngine engine = sslContext.createSSLEngine();
engine.setUseClientMode(true);
return new SslHandler(engine);
} else {
if (producer.getConfiguration().getKeyStoreFile() == null && producer.getConfiguration().getKeyStoreResource() == null) {
LOG.debug("keystorefile is null");
}
if (producer.getConfiguration().getTrustStoreFile() == null && producer.getConfiguration().getTrustStoreResource() == null) {
LOG.debug("truststorefile is null");
}
if (producer.getConfiguration().getPassphrase().toCharArray() == null) {
LOG.debug("passphrase is null");
}
SSLEngineFactory sslEngineFactory;
if (producer.getConfiguration().getKeyStoreFile() != null || producer.getConfiguration().getTrustStoreFile() != null) {
sslEngineFactory = new SSLEngineFactory(
producer.getConfiguration().getKeyStoreFormat(),
producer.getConfiguration().getSecurityProvider(),
producer.getConfiguration().getKeyStoreFile(),
producer.getConfiguration().getTrustStoreFile(),
producer.getConfiguration().getPassphrase().toCharArray());
} else {
sslEngineFactory = new SSLEngineFactory(producer.getContext().getClassResolver(),
producer.getConfiguration().getKeyStoreFormat(),
producer.getConfiguration().getSecurityProvider(),
producer.getConfiguration().getKeyStoreResource(),
producer.getConfiguration().getTrustStoreResource(),
producer.getConfiguration().getPassphrase().toCharArray());
}
SSLEngine sslEngine = sslEngineFactory.createServerSSLEngine();
sslEngine.setUseClientMode(true);
return new SslHandler(sslEngine);
}
}
}