The Tor Browser / file comparison
comparison: mobile/android/thirdparty/ch/boye/httpclientandroidlib/protocol/ResponseConnControl.java
mobile/android/thirdparty/ch/boye/httpclientandroidlib/protocol/ResponseConnControl.java
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
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| -1:000000000000 | 0:d4487a74c4a9 |
|---|---|
| 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.protocol; | |
| 29 | |
| 30 import java.io.IOException; | |
| 31 | |
| 32 import ch.boye.httpclientandroidlib.Header; | |
| 33 import ch.boye.httpclientandroidlib.HttpEntity; | |
| 34 import ch.boye.httpclientandroidlib.HttpException; | |
| 35 import ch.boye.httpclientandroidlib.HttpRequest; | |
| 36 import ch.boye.httpclientandroidlib.HttpResponse; | |
| 37 import ch.boye.httpclientandroidlib.HttpResponseInterceptor; | |
| 38 import ch.boye.httpclientandroidlib.HttpStatus; | |
| 39 import ch.boye.httpclientandroidlib.HttpVersion; | |
| 40 import ch.boye.httpclientandroidlib.ProtocolVersion; | |
| 41 | |
| 42 /** | |
| 43 * ResponseConnControl is responsible for adding <code>Connection</code> header | |
| 44 * to the outgoing responses, which is essential for managing persistence of | |
| 45 * <code>HTTP/1.0</code> connections. This interceptor is recommended for | |
| 46 * server side protocol processors. | |
| 47 * | |
| 48 * @since 4.0 | |
| 49 */ | |
| 50 public class ResponseConnControl implements HttpResponseInterceptor { | |
| 51 | |
| 52 public ResponseConnControl() { | |
| 53 super(); | |
| 54 } | |
| 55 | |
| 56 public void process(final HttpResponse response, final HttpContext context) | |
| 57 throws HttpException, IOException { | |
| 58 if (response == null) { | |
| 59 throw new IllegalArgumentException("HTTP response may not be null"); | |
| 60 } | |
| 61 if (context == null) { | |
| 62 throw new IllegalArgumentException("HTTP context may not be null"); | |
| 63 } | |
| 64 // Always drop connection after certain type of responses | |
| 65 int status = response.getStatusLine().getStatusCode(); | |
| 66 if (status == HttpStatus.SC_BAD_REQUEST || | |
| 67 status == HttpStatus.SC_REQUEST_TIMEOUT || | |
| 68 status == HttpStatus.SC_LENGTH_REQUIRED || | |
| 69 status == HttpStatus.SC_REQUEST_TOO_LONG || | |
| 70 status == HttpStatus.SC_REQUEST_URI_TOO_LONG || | |
| 71 status == HttpStatus.SC_SERVICE_UNAVAILABLE || | |
| 72 status == HttpStatus.SC_NOT_IMPLEMENTED) { | |
| 73 response.setHeader(HTTP.CONN_DIRECTIVE, HTTP.CONN_CLOSE); | |
| 74 return; | |
| 75 } | |
| 76 // Always drop connection for HTTP/1.0 responses and below | |
| 77 // if the content body cannot be correctly delimited | |
| 78 HttpEntity entity = response.getEntity(); | |
| 79 if (entity != null) { | |
| 80 ProtocolVersion ver = response.getStatusLine().getProtocolVersion(); | |
| 81 if (entity.getContentLength() < 0 && | |
| 82 (!entity.isChunked() || ver.lessEquals(HttpVersion.HTTP_1_0))) { | |
| 83 response.setHeader(HTTP.CONN_DIRECTIVE, HTTP.CONN_CLOSE); | |
| 84 return; | |
| 85 } | |
| 86 } | |
| 87 // Drop connection if requested by the client | |
| 88 HttpRequest request = (HttpRequest) | |
| 89 context.getAttribute(ExecutionContext.HTTP_REQUEST); | |
| 90 if (request != null) { | |
| 91 Header header = request.getFirstHeader(HTTP.CONN_DIRECTIVE); | |
| 92 if (header != null) { | |
| 93 response.setHeader(HTTP.CONN_DIRECTIVE, header.getValue()); | |
| 94 } | |
| 95 } | |
| 96 } | |
| 97 | |
| 98 } |
