The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/mobile/android/thirdparty/ch/boye/httpclientandroidlib/protocol/ResponseConnControl.java	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,98 @@
     1.4 +/*
     1.5 + * ====================================================================
     1.6 + * Licensed to the Apache Software Foundation (ASF) under one
     1.7 + * or more contributor license agreements.  See the NOTICE file
     1.8 + * distributed with this work for additional information
     1.9 + * regarding copyright ownership.  The ASF licenses this file
    1.10 + * to you under the Apache License, Version 2.0 (the
    1.11 + * "License"); you may not use this file except in compliance
    1.12 + * with the License.  You may obtain a copy of the License at
    1.13 + *
    1.14 + *   http://www.apache.org/licenses/LICENSE-2.0
    1.15 + *
    1.16 + * Unless required by applicable law or agreed to in writing,
    1.17 + * software distributed under the License is distributed on an
    1.18 + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
    1.19 + * KIND, either express or implied.  See the License for the
    1.20 + * specific language governing permissions and limitations
    1.21 + * under the License.
    1.22 + * ====================================================================
    1.23 + *
    1.24 + * This software consists of voluntary contributions made by many
    1.25 + * individuals on behalf of the Apache Software Foundation.  For more
    1.26 + * information on the Apache Software Foundation, please see
    1.27 + * <http://www.apache.org/>.
    1.28 + *
    1.29 + */
    1.30 +
    1.31 +package ch.boye.httpclientandroidlib.protocol;
    1.32 +
    1.33 +import java.io.IOException;
    1.34 +
    1.35 +import ch.boye.httpclientandroidlib.Header;
    1.36 +import ch.boye.httpclientandroidlib.HttpEntity;
    1.37 +import ch.boye.httpclientandroidlib.HttpException;
    1.38 +import ch.boye.httpclientandroidlib.HttpRequest;
    1.39 +import ch.boye.httpclientandroidlib.HttpResponse;
    1.40 +import ch.boye.httpclientandroidlib.HttpResponseInterceptor;
    1.41 +import ch.boye.httpclientandroidlib.HttpStatus;
    1.42 +import ch.boye.httpclientandroidlib.HttpVersion;
    1.43 +import ch.boye.httpclientandroidlib.ProtocolVersion;
    1.44 +
    1.45 +/**
    1.46 + * ResponseConnControl is responsible for adding <code>Connection</code> header
    1.47 + * to the outgoing responses, which is essential for managing persistence of
    1.48 + * <code>HTTP/1.0</code> connections. This interceptor is recommended for
    1.49 + * server side protocol processors.
    1.50 + *
    1.51 + * @since 4.0
    1.52 + */
    1.53 +public class ResponseConnControl implements HttpResponseInterceptor {
    1.54 +
    1.55 +    public ResponseConnControl() {
    1.56 +        super();
    1.57 +    }
    1.58 +
    1.59 +    public void process(final HttpResponse response, final HttpContext context)
    1.60 +            throws HttpException, IOException {
    1.61 +        if (response == null) {
    1.62 +            throw new IllegalArgumentException("HTTP response may not be null");
    1.63 +        }
    1.64 +        if (context == null) {
    1.65 +            throw new IllegalArgumentException("HTTP context may not be null");
    1.66 +        }
    1.67 +        // Always drop connection after certain type of responses
    1.68 +        int status = response.getStatusLine().getStatusCode();
    1.69 +        if (status == HttpStatus.SC_BAD_REQUEST ||
    1.70 +                status == HttpStatus.SC_REQUEST_TIMEOUT ||
    1.71 +                status == HttpStatus.SC_LENGTH_REQUIRED ||
    1.72 +                status == HttpStatus.SC_REQUEST_TOO_LONG ||
    1.73 +                status == HttpStatus.SC_REQUEST_URI_TOO_LONG ||
    1.74 +                status == HttpStatus.SC_SERVICE_UNAVAILABLE ||
    1.75 +                status == HttpStatus.SC_NOT_IMPLEMENTED) {
    1.76 +            response.setHeader(HTTP.CONN_DIRECTIVE, HTTP.CONN_CLOSE);
    1.77 +            return;
    1.78 +        }
    1.79 +        // Always drop connection for HTTP/1.0 responses and below
    1.80 +        // if the content body cannot be correctly delimited
    1.81 +        HttpEntity entity = response.getEntity();
    1.82 +        if (entity != null) {
    1.83 +            ProtocolVersion ver = response.getStatusLine().getProtocolVersion();
    1.84 +            if (entity.getContentLength() < 0 &&
    1.85 +                    (!entity.isChunked() || ver.lessEquals(HttpVersion.HTTP_1_0))) {
    1.86 +                response.setHeader(HTTP.CONN_DIRECTIVE, HTTP.CONN_CLOSE);
    1.87 +                return;
    1.88 +            }
    1.89 +        }
    1.90 +        // Drop connection if requested by the client
    1.91 +        HttpRequest request = (HttpRequest)
    1.92 +            context.getAttribute(ExecutionContext.HTTP_REQUEST);
    1.93 +        if (request != null) {
    1.94 +            Header header = request.getFirstHeader(HTTP.CONN_DIRECTIVE);
    1.95 +            if (header != null) {
    1.96 +                response.setHeader(HTTP.CONN_DIRECTIVE, header.getValue());
    1.97 +            }
    1.98 +        }
    1.99 +    }
   1.100 +
   1.101 +}