| /** |
| * 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.pulsar.discovery.service; |
| |
| import io.netty.handler.ssl.SslHandler; |
| import org.apache.pulsar.common.protocol.Commands; |
| import org.apache.pulsar.common.util.NettyServerSslContextBuilder; |
| import org.apache.pulsar.common.util.SslContextAutoRefreshBuilder; |
| import org.apache.pulsar.common.util.keystoretls.NettySSLContextAutoRefreshBuilder; |
| import org.apache.pulsar.discovery.service.server.ServiceConfig; |
| |
| import io.netty.channel.ChannelInitializer; |
| import io.netty.channel.socket.SocketChannel; |
| import io.netty.handler.codec.LengthFieldBasedFrameDecoder; |
| import io.netty.handler.ssl.SslContext; |
| |
| /** |
| * Initialize service channel handlers. |
| * |
| */ |
| public class ServiceChannelInitializer extends ChannelInitializer<SocketChannel> { |
| |
| public static final String TLS_HANDLER = "tls"; |
| private final DiscoveryService discoveryService; |
| private final boolean enableTls; |
| private final boolean tlsEnabledWithKeyStore; |
| private SslContextAutoRefreshBuilder<SslContext> sslCtxRefresher; |
| private NettySSLContextAutoRefreshBuilder nettySSLContextAutoRefreshBuilder; |
| |
| public ServiceChannelInitializer(DiscoveryService discoveryService, ServiceConfig serviceConfig, boolean e) |
| throws Exception { |
| super(); |
| this.discoveryService = discoveryService; |
| this.enableTls = e; |
| this.tlsEnabledWithKeyStore = serviceConfig.isTlsEnabledWithKeyStore(); |
| if (this.enableTls) { |
| if (tlsEnabledWithKeyStore) { |
| nettySSLContextAutoRefreshBuilder = new NettySSLContextAutoRefreshBuilder( |
| serviceConfig.getTlsProvider(), |
| serviceConfig.getTlsKeyStoreType(), |
| serviceConfig.getTlsKeyStore(), |
| serviceConfig.getTlsKeyStorePassword(), |
| serviceConfig.isTlsAllowInsecureConnection(), |
| serviceConfig.getTlsTrustStoreType(), |
| serviceConfig.getTlsTrustStore(), |
| serviceConfig.getTlsTrustStorePassword(), |
| serviceConfig.isTlsRequireTrustedClientCertOnConnect(), |
| serviceConfig.getTlsCiphers(), |
| serviceConfig.getTlsProtocols(), |
| serviceConfig.getTlsCertRefreshCheckDurationSec()); |
| } else { |
| sslCtxRefresher = new NettyServerSslContextBuilder(serviceConfig.isTlsAllowInsecureConnection(), |
| serviceConfig.getTlsTrustCertsFilePath(), serviceConfig.getTlsCertificateFilePath(), |
| serviceConfig.getTlsKeyFilePath(), serviceConfig.getTlsCiphers(), serviceConfig.getTlsProtocols(), |
| serviceConfig.isTlsRequireTrustedClientCertOnConnect(), |
| serviceConfig.getTlsCertRefreshCheckDurationSec()); |
| } |
| } else { |
| this.sslCtxRefresher = null; |
| } |
| } |
| |
| @Override |
| protected void initChannel(SocketChannel ch) throws Exception { |
| if (sslCtxRefresher != null && this.enableTls) { |
| if (this.tlsEnabledWithKeyStore) { |
| ch.pipeline().addLast(TLS_HANDLER, |
| new SslHandler(nettySSLContextAutoRefreshBuilder.get().createSSLEngine())); |
| } else{ |
| SslContext sslContext = sslCtxRefresher.get(); |
| if (sslContext != null) { |
| ch.pipeline().addLast(TLS_HANDLER, sslContext.newHandler(ch.alloc())); |
| } |
| } |
| } |
| ch.pipeline().addLast("frameDecoder", new LengthFieldBasedFrameDecoder( |
| Commands.DEFAULT_MAX_MESSAGE_SIZE + Commands.MESSAGE_SIZE_FRAME_PADDING, 0, 4, 0, 4)); |
| ch.pipeline().addLast("handler", new ServerConnection(discoveryService)); |
| } |
| } |