The Tor Browser / file comparison
comparison: mobile/android/thirdparty/ch/boye/httpclientandroidlib/client/protocol/RequestClientConnControl.java
mobile/android/thirdparty/ch/boye/httpclientandroidlib/client/protocol/RequestClientConnControl.java
- branch
- TOR_BUG_3246
- changeset 4
- fc2d59ddac77
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| -1:000000000000 | 0:78b422b853e1 |
|---|---|
| 1 /* | |
| 2 * ==================================================================== | |
| 3 * Licensed to the Apache Software Foundation (ASF) under one | |
| 4 * or more contributor license agreements. See the NOTICE file | |
| 5 * distributed with this work for additional information | |
| 6 * regarding copyright ownership. The ASF licenses this file | |
| 7 * to you under the Apache License, Version 2.0 (the | |
| 8 * "License"); you may not use this file except in compliance | |
| 9 * with the License. You may obtain a copy of the License at | |
| 10 * | |
| 11 * http://www.apache.org/licenses/LICENSE-2.0 | |
| 12 * | |
| 13 * Unless required by applicable law or agreed to in writing, | |
| 14 * software distributed under the License is distributed on an | |
| 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | |
| 16 * KIND, either express or implied. See the License for the | |
| 17 * specific language governing permissions and limitations | |
| 18 * under the License. | |
| 19 * ==================================================================== | |
| 20 * | |
| 21 * This software consists of voluntary contributions made by many | |
| 22 * individuals on behalf of the Apache Software Foundation. For more | |
| 23 * information on the Apache Software Foundation, please see | |
| 24 * <http://www.apache.org/>. | |
| 25 * | |
| 26 */ | |
| 27 | |
| 28 package ch.boye.httpclientandroidlib.client.protocol; | |
| 29 | |
| 30 import java.io.IOException; | |
| 31 | |
| 32 import ch.boye.httpclientandroidlib.androidextra.HttpClientAndroidLog; | |
| 33 /* LogFactory removed by HttpClient for Android script. */ | |
| 34 import ch.boye.httpclientandroidlib.annotation.Immutable; | |
| 35 | |
| 36 import ch.boye.httpclientandroidlib.HttpException; | |
| 37 import ch.boye.httpclientandroidlib.HttpRequest; | |
| 38 import ch.boye.httpclientandroidlib.HttpRequestInterceptor; | |
| 39 import ch.boye.httpclientandroidlib.conn.HttpRoutedConnection; | |
| 40 import ch.boye.httpclientandroidlib.conn.routing.HttpRoute; | |
| 41 import ch.boye.httpclientandroidlib.protocol.ExecutionContext; | |
| 42 import ch.boye.httpclientandroidlib.protocol.HTTP; | |
| 43 import ch.boye.httpclientandroidlib.protocol.HttpContext; | |
| 44 | |
| 45 /** | |
| 46 * This protocol interceptor is responsible for adding <code>Connection</code> | |
| 47 * or <code>Proxy-Connection</code> headers to the outgoing requests, which | |
| 48 * is essential for managing persistence of <code>HTTP/1.0</code> connections. | |
| 49 * | |
| 50 * @since 4.0 | |
| 51 */ | |
| 52 @Immutable | |
| 53 public class RequestClientConnControl implements HttpRequestInterceptor { | |
| 54 | |
| 55 public HttpClientAndroidLog log = new HttpClientAndroidLog(getClass()); | |
| 56 | |
| 57 private static final String PROXY_CONN_DIRECTIVE = "Proxy-Connection"; | |
| 58 | |
| 59 public RequestClientConnControl() { | |
| 60 super(); | |
| 61 } | |
| 62 | |
| 63 public void process(final HttpRequest request, final HttpContext context) | |
| 64 throws HttpException, IOException { | |
| 65 if (request == null) { | |
| 66 throw new IllegalArgumentException("HTTP request may not be null"); | |
| 67 } | |
| 68 | |
| 69 String method = request.getRequestLine().getMethod(); | |
| 70 if (method.equalsIgnoreCase("CONNECT")) { | |
| 71 request.setHeader(PROXY_CONN_DIRECTIVE, HTTP.CONN_KEEP_ALIVE); | |
| 72 return; | |
| 73 } | |
| 74 | |
| 75 // Obtain the client connection (required) | |
| 76 HttpRoutedConnection conn = (HttpRoutedConnection) context.getAttribute( | |
| 77 ExecutionContext.HTTP_CONNECTION); | |
| 78 if (conn == null) { | |
| 79 this.log.debug("HTTP connection not set in the context"); | |
| 80 return; | |
| 81 } | |
| 82 | |
| 83 HttpRoute route = conn.getRoute(); | |
| 84 | |
| 85 if (route.getHopCount() == 1 || route.isTunnelled()) { | |
| 86 if (!request.containsHeader(HTTP.CONN_DIRECTIVE)) { | |
| 87 request.addHeader(HTTP.CONN_DIRECTIVE, HTTP.CONN_KEEP_ALIVE); | |
| 88 } | |
| 89 } | |
| 90 if (route.getHopCount() == 2 && !route.isTunnelled()) { | |
| 91 if (!request.containsHeader(PROXY_CONN_DIRECTIVE)) { | |
| 92 request.addHeader(PROXY_CONN_DIRECTIVE, HTTP.CONN_KEEP_ALIVE); | |
| 93 } | |
| 94 } | |
| 95 } | |
| 96 | |
| 97 } |
