| /** |
| * 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.hadoop.net; |
| |
| import java.io.IOException; |
| import java.net.InetAddress; |
| import java.net.InetSocketAddress; |
| import java.net.Proxy; |
| import java.net.Socket; |
| import java.net.UnknownHostException; |
| |
| import javax.net.SocketFactory; |
| |
| import org.apache.hadoop.classification.InterfaceAudience; |
| import org.apache.hadoop.classification.InterfaceStability; |
| import org.apache.hadoop.conf.Configurable; |
| import org.apache.hadoop.conf.Configuration; |
| |
| import static org.apache.hadoop.fs.CommonConfigurationKeysPublic.HADOOP_SOCKS_SERVER_KEY; |
| |
| /** |
| * Specialized SocketFactory to create sockets with a SOCKS proxy |
| */ |
| @InterfaceAudience.Public |
| @InterfaceStability.Evolving |
| public class SocksSocketFactory extends SocketFactory implements |
| Configurable { |
| |
| private Configuration conf; |
| |
| private Proxy proxy; |
| |
| /** |
| * Default empty constructor (for use with the reflection API). |
| */ |
| public SocksSocketFactory() { |
| this.proxy = Proxy.NO_PROXY; |
| } |
| |
| /** |
| * Constructor with a supplied Proxy |
| * |
| * @param proxy the proxy to use to create sockets |
| */ |
| public SocksSocketFactory(Proxy proxy) { |
| this.proxy = proxy; |
| } |
| |
| @Override |
| public Socket createSocket() throws IOException { |
| |
| return new Socket(proxy); |
| } |
| |
| @Override |
| public Socket createSocket(InetAddress addr, int port) throws IOException { |
| |
| Socket socket = createSocket(); |
| socket.connect(new InetSocketAddress(addr, port)); |
| return socket; |
| } |
| |
| @Override |
| public Socket createSocket(InetAddress addr, int port, |
| InetAddress localHostAddr, int localPort) throws IOException { |
| |
| Socket socket = createSocket(); |
| socket.bind(new InetSocketAddress(localHostAddr, localPort)); |
| socket.connect(new InetSocketAddress(addr, port)); |
| return socket; |
| } |
| |
| @Override |
| public Socket createSocket(String host, int port) throws IOException, |
| UnknownHostException { |
| |
| Socket socket = createSocket(); |
| socket.connect(new InetSocketAddress(host, port)); |
| return socket; |
| } |
| |
| @Override |
| public Socket createSocket(String host, int port, |
| InetAddress localHostAddr, int localPort) throws IOException, |
| UnknownHostException { |
| |
| Socket socket = createSocket(); |
| socket.bind(new InetSocketAddress(localHostAddr, localPort)); |
| socket.connect(new InetSocketAddress(host, port)); |
| return socket; |
| } |
| |
| @Override |
| public int hashCode() { |
| return proxy.hashCode(); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) |
| return true; |
| if (obj == null) |
| return false; |
| if (!(obj instanceof SocksSocketFactory)) |
| return false; |
| final SocksSocketFactory other = (SocksSocketFactory) obj; |
| if (proxy == null) { |
| if (other.proxy != null) |
| return false; |
| } else if (!proxy.equals(other.proxy)) |
| return false; |
| return true; |
| } |
| |
| @Override |
| public Configuration getConf() { |
| return this.conf; |
| } |
| |
| @Override |
| public void setConf(Configuration conf) { |
| this.conf = conf; |
| String proxyStr = conf.get(HADOOP_SOCKS_SERVER_KEY); |
| if ((proxyStr != null) && (proxyStr.length() > 0)) { |
| setProxy(proxyStr); |
| } |
| } |
| |
| /** |
| * Set the proxy of this socket factory as described in the string |
| * parameter |
| * |
| * @param proxyStr the proxy address using the format "host:port" |
| */ |
| private void setProxy(String proxyStr) { |
| String[] strs = proxyStr.split(":", 2); |
| if (strs.length != 2) |
| throw new RuntimeException("Bad SOCKS proxy parameter: " + proxyStr); |
| String host = strs[0]; |
| int port = Integer.parseInt(strs[1]); |
| this.proxy = |
| new Proxy(Proxy.Type.SOCKS, InetSocketAddress.createUnresolved(host, |
| port)); |
| } |
| } |