1 // ANNA - Anna is Not Nothingness Anymore
3 // (c) Copyright 2005-2014 Eduardo Ramos Testillano & Francisco Ruiz Rayo
5 // http://redmine.teslayout.com/projects/anna-suite
7 // Redistribution and use in source and binary forms, with or without
8 // modification, are permitted provided that the following conditions
11 // * Redistributions of source code must retain the above copyright
12 // notice, this list of conditions and the following disclaimer.
13 // * Redistributions in binary form must reproduce the above
14 // copyright notice, this list of conditions and the following disclaimer
15 // in the documentation and/or other materials provided with the
17 // * Neither the name of the copyright holder nor the names of its
18 // contributors may be used to endorse or promote products derived from
19 // this software without specific prior written permission.
21 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
24 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
25 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
26 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
27 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
31 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 // Authors: eduardo.ramos.testillano@gmail.com
34 // cisco.tierra@gmail.com
37 #include <anna/core/tracing/Logger.hpp>
39 #include <anna/http/parser/ReadChunkData.hpp>
41 #include <anna/http/Transport.hpp>
42 #include <anna/http/functions.hpp>
43 #include <anna/http/internal/defines.hpp>
44 #include <anna/http/internal/EncodedBlock.hpp>
50 Se ha comprobado que una vez que parace el Transfer-encoding puede haber un
51 número indeterminado de header antes del chunk (propiemente dicho), pero
52 siempre hay una línea en blanco, que indica que la siguiente línea es la que
53 contiene el tamaño del primer chunk, etc, etc
55 160: 6e 65 63 74 69 6f 6e 3a 20 4b 65 65 70 2d 41 6c nection: Keep-Al
56 176: 69 76 65 0d 0a 54 72 61 6e 73 66 65 72 2d 45 6e ive..Transfer-En
57 192: 63 6f 64 69 6e 67 3a 20 63 68 75 6e 6b 65 64 0d coding: chunked.
58 208: 0a 43 6f 6e 74 65 6e 74 2d 54 79 70 65 3a 20 74 .Content-Type: t
59 224: 65 78 74 2f 70 6c 61 69 6e 0d 0a 0d 0a 31 66 66 ext/plain....1ff <================= ojo
60 240: 38 0d 0a 3c 3f 78 6d 6c 20 76 65 72 73 69 6f 6e 8..<?xml version
61 256: 3d 22 31 2e 30 22 20 65 6e 63 6f 64 69 6e 67 3d ="1.0" encoding=
63 464: 4a 61 6e 20 31 39 39 35 20 32 32 3a 30 30 3a 30 Jan 1995 22:00:0
64 480: 30 20 47 4d 54 0d 0a 43 6f 6e 74 65 6e 74 2d 54 0 GMT..Content-T
65 496: 79 70 65 3a 20 74 65 78 74 2f 68 74 6d 6c 0d 0a ype: text/html..
66 512: 54 72 61 6e 73 66 65 72 2d 65 6e 63 6f 64 69 6e Transfer-encodin
67 528: 67 3a 20 63 68 75 6e 6b 65 64 0d 0a 43 6f 6e 6e g: chunked..Conn
68 544: 65 63 74 69 6f 6e 3a 20 4b 65 65 70 2d 41 6c 69 ection: Keep-Ali
69 560: 76 65 0d 0a 0d 0a 35 34 20 20 20 20 20 0d 0a 3c ve....54 ..< <================= ojo
70 576: 21 2d 2d 20 6c 30 37 2e 6d 65 6d 62 65 72 2e 75 !-- l07.member.u
71 592: 6b 6c 2e 79 61 68 6f 6f 2e 63 6f 6d 20 75 6e 63 kl.yahoo.com unc
72 608: 6f 6d 70 72 65 73 73 65 64 2f 63 68 75 6e 6b 65 ompressed/chunke
73 624: 64 20 57 65 64 20 53 65 70 20 20 33 20 31 30 3a d Wed Sep 3 10:
74 640: 31 34 3a 31 31 20 47 4d 54 20 32 30 30 38 20 2d 14:11 GMT 2008 -
75 656: 2d 3e 0a 0d 0a 30 0d 0a 0d 0a ->...0....
77 int http::parser::ReadChunkData::processLine(http::Transport& transport, const DataBlock& slice, const http::Token& line) const
78 throw(RuntimeException) {
79 EncodedBlock* encodedBlock = transport.getEncodedBlock();
81 if(encodedBlock->append(line) == EncodedBlock::State::Completed)
82 setState(transport, ClassType::ReadChunkSize);
84 // Marca el comienzo del chunk para que el http::Transport no lo vuelva a procesar
85 // cuando llegen el resto de los trozos.
86 const int chunkedByte = line.calculeOffset(slice) + line.getSize();
87 parser::Abstract::setLastChunkedByte(transport, chunkedByte);
89 string msg("http::parser::ReadChunkData::processLine | ChunkByte: ");
90 msg += anna::functions::asString(chunkedByte);
91 Logger::debug(msg, ANNA_FILE_LOCATION);