1 /*
   2  * Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package jdk.incubator.http;
  27 
  28 import java.io.IOException;
  29 import java.lang.System.Logger.Level;
  30 import java.net.InetSocketAddress;
  31 import java.nio.channels.SocketChannel;
  32 import java.util.concurrent.CompletableFuture;
  33 import jdk.incubator.http.internal.common.SSLTube;
  34 import jdk.incubator.http.internal.common.Utils;
  35 
  36 /**
  37  * An SSL tunnel built on a Plain (CONNECT) TCP tunnel.
  38  */
  39 class AsyncSSLTunnelConnection extends AbstractAsyncSSLConnection {
  40 
  41     final PlainTunnelingConnection plainConnection;
  42     final PlainHttpPublisher writePublisher;
  43     volatile SSLTube flow;
  44 
  45     AsyncSSLTunnelConnection(InetSocketAddress addr,
  46                              HttpClientImpl client,
  47                              String[] alpn,
  48                              InetSocketAddress proxy)
  49     {
  50         super(addr, client, Utils.getServerName(addr), alpn);
  51         this.plainConnection = new PlainTunnelingConnection(addr, proxy, client);
  52         this.writePublisher = new PlainHttpPublisher();
  53     }
  54 
  55     @Override
  56     public CompletableFuture<Void> connectAsync() {
  57         debug.log(Level.DEBUG, "Connecting plain tunnel connection");
  58         // This will connect the PlainHttpConnection flow, so that
  59         // its HttpSubscriber and HttpPublisher are subscribed to the
  60         // SocketTube
  61         return plainConnection
  62                 .connectAsync()
  63                 .thenApply( unused -> {
  64                     debug.log(Level.DEBUG, "creating SSLTube");
  65                     // create the SSLTube wrapping the SocketTube, with the given engine
  66                     flow = new SSLTube(engine,
  67                                        client().theExecutor(),
  68                                        plainConnection.getConnectionFlow());
  69                     return null;} );
  70     }
  71 
  72     @Override
  73     boolean connected() {
  74         return plainConnection.connected(); // && sslDelegate.connected();
  75     }
  76 
  77     @Override
  78     HttpPublisher publisher() { return writePublisher; }
  79 
  80     @Override
  81     public String toString() {
  82         return "AsyncSSLTunnelConnection: " + super.toString();
  83     }
  84 
  85     @Override
  86     PlainTunnelingConnection plainConnection() {
  87         return plainConnection;
  88     }
  89 
  90     @Override
  91     ConnectionPool.CacheKey cacheKey() {
  92         return ConnectionPool.cacheKey(address, plainConnection.proxyAddr);
  93     }
  94 
  95     @Override
  96     public void close() {
  97         plainConnection.close();
  98     }
  99 
 100     @Override
 101     void shutdownInput() throws IOException {
 102         plainConnection.channel().shutdownInput();
 103     }
 104 
 105     @Override
 106     void shutdownOutput() throws IOException {
 107         plainConnection.channel().shutdownOutput();
 108     }
 109 
 110     @Override
 111     SocketChannel channel() {
 112         return plainConnection.channel();
 113     }
 114 
 115     @Override
 116     boolean isProxied() {
 117         return true;
 118     }
 119 
 120     @Override
 121     SSLTube getConnectionFlow() {
 122        return flow;
 123    }
 124 }