/**
* Copyright 2016 Yahoo Inc.
*
* Licensed 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 com.yahoo.pulsar.broker.service;
import java.io.File;
import com.yahoo.pulsar.broker.ServiceConfiguration;
import com.yahoo.pulsar.common.api.PulsarDecoder;
import com.yahoo.pulsar.common.api.PulsarLengthFieldFrameDecoder;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.socket.SocketChannel;
import io.netty.handler.ssl.ClientAuth;
import io.netty.handler.ssl.SslContext;
import io.netty.handler.ssl.SslContextBuilder;
import io.netty.handler.ssl.util.InsecureTrustManagerFactory;
public class PulsarChannelInitializer extends ChannelInitializer<SocketChannel> {
public static final String TLS_HANDLER = "tls";
BrokerService brokerService;
ServiceConfiguration serviceConfig;
boolean enableTLS;
/**
*
* @param brokerService
*/
public PulsarChannelInitializer(BrokerService brokerService, ServiceConfiguration serviceConfig,
boolean enableTLS) {
super();
this.brokerService = brokerService;
this.serviceConfig = serviceConfig;
this.enableTLS = enableTLS;
}
@Override
protected void initChannel(SocketChannel ch) throws Exception {
if (enableTLS) {
File tlsCert = new File(serviceConfig.getTlsCertificateFilePath());
File tlsKey = new File(serviceConfig.getTlsKeyFilePath());
SslContextBuilder builder = SslContextBuilder.forServer(tlsCert, tlsKey);
if (serviceConfig.isTlsAllowInsecureConnection()) {
builder.trustManager(InsecureTrustManagerFactory.INSTANCE);
} else {
if (serviceConfig.getTlsTrustCertsFilePath().isEmpty()) {
// Use system default
builder.trustManager((File) null);
} else {
File trustCertCollection = new File(serviceConfig.getTlsTrustCertsFilePath());
builder.trustManager(trustCertCollection);
}
}
SslContext sslCtx = builder.clientAuth(ClientAuth.OPTIONAL).build();
ch.pipeline().addLast(TLS_HANDLER, sslCtx.newHandler(ch.alloc()));
}
ch.pipeline().addLast("frameDecoder",
new PulsarLengthFieldFrameDecoder(PulsarDecoder.MaxFrameSize, 0, 4, 0, 4));
ch.pipeline().addLast("handler", new ServerCnx(brokerService));
}
}