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/impl/entity/StrictContentLengthStrategy.java	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,91 @@
     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.impl.entity;
    1.32 +
    1.33 +import ch.boye.httpclientandroidlib.Header;
    1.34 +import ch.boye.httpclientandroidlib.HttpException;
    1.35 +import ch.boye.httpclientandroidlib.HttpMessage;
    1.36 +import ch.boye.httpclientandroidlib.HttpVersion;
    1.37 +import ch.boye.httpclientandroidlib.ProtocolException;
    1.38 +import ch.boye.httpclientandroidlib.entity.ContentLengthStrategy;
    1.39 +import ch.boye.httpclientandroidlib.protocol.HTTP;
    1.40 +
    1.41 +/**
    1.42 + * The strict implementation of the content length strategy. This class
    1.43 + * will throw {@link ProtocolException} if it encounters an unsupported
    1.44 + * transfer encoding or a malformed <code>Content-Length</code> header
    1.45 + * value.
    1.46 + * <p>
    1.47 + * This class recognizes "chunked" and "identitiy" transfer-coding only.
    1.48 + *
    1.49 + * @since 4.0
    1.50 + */
    1.51 +public class StrictContentLengthStrategy implements ContentLengthStrategy {
    1.52 +
    1.53 +    public StrictContentLengthStrategy() {
    1.54 +        super();
    1.55 +    }
    1.56 +
    1.57 +    public long determineLength(final HttpMessage message) throws HttpException {
    1.58 +        if (message == null) {
    1.59 +            throw new IllegalArgumentException("HTTP message may not be null");
    1.60 +        }
    1.61 +        // Although Transfer-Encoding is specified as a list, in practice
    1.62 +        // it is either missing or has the single value "chunked". So we
    1.63 +        // treat it as a single-valued header here.
    1.64 +        Header transferEncodingHeader = message.getFirstHeader(HTTP.TRANSFER_ENCODING);
    1.65 +        Header contentLengthHeader = message.getFirstHeader(HTTP.CONTENT_LEN);
    1.66 +        if (transferEncodingHeader != null) {
    1.67 +            String s = transferEncodingHeader.getValue();
    1.68 +            if (HTTP.CHUNK_CODING.equalsIgnoreCase(s)) {
    1.69 +                if (message.getProtocolVersion().lessEquals(HttpVersion.HTTP_1_0)) {
    1.70 +                    throw new ProtocolException(
    1.71 +                            "Chunked transfer encoding not allowed for " +
    1.72 +                            message.getProtocolVersion());
    1.73 +                }
    1.74 +                return CHUNKED;
    1.75 +            } else if (HTTP.IDENTITY_CODING.equalsIgnoreCase(s)) {
    1.76 +                return IDENTITY;
    1.77 +            } else {
    1.78 +                throw new ProtocolException(
    1.79 +                        "Unsupported transfer encoding: " + s);
    1.80 +            }
    1.81 +        } else if (contentLengthHeader != null) {
    1.82 +            String s = contentLengthHeader.getValue();
    1.83 +            try {
    1.84 +                long len = Long.parseLong(s);
    1.85 +                return len;
    1.86 +            } catch (NumberFormatException e) {
    1.87 +                throw new ProtocolException("Invalid content length: " + s);
    1.88 +            }
    1.89 +        } else {
    1.90 +            return IDENTITY;
    1.91 +        }
    1.92 +    }
    1.93 +
    1.94 +}