Mercurial > hg > orthanc

annotate Core/HttpServer/MultipartStreamReader.cpp @ 3747:7b6058f8f7aa transcoding

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new branch: transcoding
author Sebastien Jodogne <s.jodogne@gmail.com>
date Fri, 13 Mar 2020 08:32:13 +0100
parents 94f4a18a79cc
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /**
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2 * Orthanc - A Lightweight, RESTful DICOM Store
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3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
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4 * Department, University Hospital of Liege, Belgium
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5 * Copyright (C) 2017-2020 Osimis S.A., Belgium
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6 *
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7 * This program is free software: you can redistribute it and/or
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8 * modify it under the terms of the GNU General Public License as
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9 * published by the Free Software Foundation, either version 3 of the
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10 * License, or (at your option) any later version.
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11 *
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12 * In addition, as a special exception, the copyright holders of this
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13 * program give permission to link the code of its release with the
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14 * OpenSSL project's "OpenSSL" library (or with modified versions of it
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15 * that use the same license as the "OpenSSL" library), and distribute
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16 * the linked executables. You must obey the GNU General Public License
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17 * in all respects for all of the code used other than "OpenSSL". If you
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18 * modify file(s) with this exception, you may extend this exception to
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19 * your version of the file(s), but you are not obligated to do so. If
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20 * you do not wish to do so, delete this exception statement from your
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21 * version. If you delete this exception statement from all source files
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22 * in the program, then also delete it here.
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23 *
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24 * This program is distributed in the hope that it will be useful, but
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25 * WITHOUT ANY WARRANTY; without even the implied warranty of
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26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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27 * General Public License for more details.
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28 *
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29 * You should have received a copy of the GNU General Public License
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30 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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31 **/
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32
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33
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34 #include "../PrecompiledHeaders.h"
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35 #include "MultipartStreamReader.h"
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36
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37 #include "../OrthancException.h"
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38 #include "../Toolbox.h"
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39
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40 #include <boost/algorithm/string/predicate.hpp>
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41
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42 #if defined(_MSC_VER)
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43 # include <BaseTsd.h> // Definition of ssize_t
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44 #endif
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45
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46 namespace Orthanc
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47 {
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48 static void ParseHeaders(MultipartStreamReader::HttpHeaders& headers,
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49 StringMatcher::Iterator start,
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50 StringMatcher::Iterator end)
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51 {
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52 std::string tmp(start, end);
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53
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54 std::vector<std::string> lines;
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55 Toolbox::TokenizeString(lines, tmp, '\n');
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56
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57 headers.clear();
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58
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59 for (size_t i = 0; i < lines.size(); i++)
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60 {
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61 size_t separator = lines[i].find(':');
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62 if (separator != std::string::npos)
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63 {
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64 std::string key = Toolbox::StripSpaces(lines[i].substr(0, separator));
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65 std::string value = Toolbox::StripSpaces(lines[i].substr(separator + 1));
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66
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67 Toolbox::ToLowerCase(key);
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68 headers[key] = value;
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69 }
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70 }
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71 }
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72
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73
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74 static bool LookupHeaderSizeValue(size_t& target,
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75 const MultipartStreamReader::HttpHeaders& headers,
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76 const std::string& key)
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77 {
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78 MultipartStreamReader::HttpHeaders::const_iterator it = headers.find(key);
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79 if (it == headers.end())
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80 {
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81 return false;
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82 }
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83 else
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84 {
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85 int64_t value;
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86
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87 try
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88 {
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89 value = boost::lexical_cast<int64_t>(it->second);
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90 }
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91 catch (boost::bad_lexical_cast&)
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92 {
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93 throw OrthancException(ErrorCode_ParameterOutOfRange);
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94 }
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95
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96 if (value < 0)
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97 {
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98 throw OrthancException(ErrorCode_ParameterOutOfRange);
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99 }
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100 else
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101 {
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102 target = static_cast<size_t>(value);
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103 return true;
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104 }
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105 }
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106 }
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107
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108
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109 void MultipartStreamReader::ParseStream()
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110 {
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111 if (handler_ == NULL ||
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112 state_ == State_Done)
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113 {
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114 return;
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115 }
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116
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117 std::string corpus;
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118 buffer_.Flatten(corpus);
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119
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120 StringMatcher::Iterator current = corpus.begin();
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121 StringMatcher::Iterator corpusEnd = corpus.end();
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122
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123 if (state_ == State_UnusedArea)
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124 {
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125 /**
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126 * "Before the first boundary is an area that is ignored by
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127 * MIME-compliant clients. This area is generally used to put
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128 * a message to users of old non-MIME clients."
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129 * https://en.wikipedia.org/wiki/MIME#Multipart_messages
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130 **/
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131
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132 if (boundaryMatcher_.Apply(current, corpusEnd))
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133 {
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134 current = boundaryMatcher_.GetMatchBegin();
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diff changeset
135 state_ = State_Content;
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
136 }
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
137 else
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
138 {
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
139 // We have not seen the end of the unused area yet
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
140 std::string reminder(current, corpusEnd);
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
141 buffer_.AddChunkDestructive(reminder);
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
142 return;
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
143 }
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
144 }
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
145
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
146 for (;;)
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
147 {
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
148 size_t patternSize = boundaryMatcher_.GetPattern().size();
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
149 size_t remainingSize = std::distance(current, corpusEnd);
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
150 if (remainingSize < patternSize + 2)
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
151 {
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
152 break; // Not enough data available
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
153 }
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
154
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
155 std::string boundary(current, current + patternSize + 2);
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
156 if (boundary == boundaryMatcher_.GetPattern() + "--")
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
157 {
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
158 state_ = State_Done;
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
159 return;
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
160 }
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
161
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
162 if (boundary != boundaryMatcher_.GetPattern() + "\r\n")
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
163 {
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
164 throw OrthancException(ErrorCode_NetworkProtocol,
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
165 "Garbage between two items in a multipart stream");
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
166 }
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
167
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
168 StringMatcher::Iterator start = current + patternSize + 2;
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
169
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
170 if (!headersMatcher_.Apply(start, corpusEnd))
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
171 {
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
172 break; // Not enough data available
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
173 }
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
174
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
175 HttpHeaders headers;
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
176 ParseHeaders(headers, start, headersMatcher_.GetMatchBegin());
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
177
3439
fbcde0d66ed8 fixed wrong warning about uninitialized variable
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3412
diff changeset
178 size_t contentLength = 0;
3398
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
179 if (!LookupHeaderSizeValue(contentLength, headers, "content-length"))
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
180 {
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
181 if (boundaryMatcher_.Apply(headersMatcher_.GetMatchEnd(), corpusEnd))
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
182 {
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
183 size_t d = std::distance(headersMatcher_.GetMatchEnd(), boundaryMatcher_.GetMatchBegin());
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
184 if (d <= 1)
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
185 {
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
186 throw OrthancException(ErrorCode_NetworkProtocol);
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
187 }
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
188 else
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
189 {
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
190 contentLength = d - 2;
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
191 }
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
192 }
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
193 else
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
194 {
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
195 break; // Not enough data available to have a full part
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
196 }
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
197 }
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
198
3412
327bace7e98a trying yet another fix
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3411
diff changeset
199 // Explicit conversion to avoid warning about signed vs. unsigned comparison
327bace7e98a trying yet another fix
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3411
diff changeset
200 std::iterator_traits<StringMatcher::Iterator>::difference_type d = contentLength + 2;
327bace7e98a trying yet another fix
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3411
diff changeset
201 if (d > std::distance(headersMatcher_.GetMatchEnd(), corpusEnd))
3398
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
202 {
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
203 break; // Not enough data available to have a full part
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
204 }
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
205
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
206 const char* p = headersMatcher_.GetPointerEnd() + contentLength;
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
207 if (p[0] != '\r' ||
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
208 p[1] != '\n')
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
209 {
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
210 throw OrthancException(ErrorCode_NetworkProtocol,
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
211 "No endline at the end of a part");
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
212 }
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
213
3399
4e8205871967 OrthancPluginRegisterMultipartRestCallback() is working
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3398
diff changeset
214 handler_->HandlePart(headers, headersMatcher_.GetPointerEnd(), contentLength);
3398
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
215 current = headersMatcher_.GetMatchEnd() + contentLength + 2;
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
216 }
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
217
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
218 if (current != corpusEnd)
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
219 {
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
220 std::string reminder(current, corpusEnd);
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
221 buffer_.AddChunkDestructive(reminder);
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
222 }
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
223 }
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
224
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
225
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
226 MultipartStreamReader::MultipartStreamReader(const std::string& boundary) :
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
227 state_(State_UnusedArea),
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
228 handler_(NULL),
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
229 headersMatcher_("\r\n\r\n"),
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
230 boundaryMatcher_("--" + boundary),
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
231 blockSize_(10 * 1024 * 1024)
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
232 {
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
233 }
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
234
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
235
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
236 void MultipartStreamReader::SetBlockSize(size_t size)
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
237 {
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
238 if (size == 0)
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
239 {
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
240 throw OrthancException(ErrorCode_ParameterOutOfRange);
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
241 }
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
242 else
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
243 {
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
244 blockSize_ = size;
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
245 }
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
246 }
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
247
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
248
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
249 void MultipartStreamReader::AddChunk(const void* chunk,
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
250 size_t size)
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
251 {
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
252 if (state_ != State_Done &&
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
253 size != 0)
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
254 {
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
255 size_t oldSize = buffer_.GetNumBytes();
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
256
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
257 buffer_.AddChunk(chunk, size);
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
258
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
259 if (oldSize / blockSize_ != buffer_.GetNumBytes() / blockSize_)
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
260 {
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
261 ParseStream();
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
262 }
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
263 }
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
264 }
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
265
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
266
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
267 void MultipartStreamReader::AddChunk(const std::string& chunk)
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
268 {
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
269 if (!chunk.empty())
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
270 {
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
271 AddChunk(chunk.c_str(), chunk.size());
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
272 }
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
273 }
4acd1431e603 new classes: StringMatcher and MultipartStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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274
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275
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276 void MultipartStreamReader::CloseStream()
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277 {
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278 if (buffer_.GetNumBytes() != 0)
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279 {
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280 ParseStream();
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281 }
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282 }
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283
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284
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285 bool MultipartStreamReader::GetMainContentType(std::string& contentType,
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286 const HttpHeaders& headers)
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287 {
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288 HttpHeaders::const_iterator it = headers.find("content-type");
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289
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290 if (it == headers.end())
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291 {
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292 return false;
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293 }
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294 else
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295 {
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296 contentType = it->second;
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297 return true;
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298 }
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299 }
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300
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301
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302 bool MultipartStreamReader::ParseMultipartContentType(std::string& contentType,
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303 std::string& subType,
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304 std::string& boundary,
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305 const std::string& contentTypeHeader)
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306 {
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307 std::vector<std::string> tokens;
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308 Orthanc::Toolbox::TokenizeString(tokens, contentTypeHeader, ';');
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309
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310 if (tokens.empty())
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311 {
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312 return false;
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313 }
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314
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315 contentType = Orthanc::Toolbox::StripSpaces(tokens[0]);
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316 Orthanc::Toolbox::ToLowerCase(contentType);
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317
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318 if (contentType.empty())
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319 {
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320 return false;
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321 }
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322
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323 bool valid = false;
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324 subType.clear();
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325
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326 for (size_t i = 0; i < tokens.size(); i++)
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327 {
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328 std::vector<std::string> items;
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329 Orthanc::Toolbox::TokenizeString(items, tokens[i], '=');
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330
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331 if (items.size() == 2)
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332 {
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333 if (boost::iequals("boundary", Orthanc::Toolbox::StripSpaces(items[0])))
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334 {
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335 boundary = Orthanc::Toolbox::StripSpaces(items[1]);
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336 valid = !boundary.empty();
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337 }
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338 else if (boost::iequals("type", Orthanc::Toolbox::StripSpaces(items[0])))
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339 {
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340 subType = Orthanc::Toolbox::StripSpaces(items[1]);
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341 Orthanc::Toolbox::ToLowerCase(subType);
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342
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343 // https://bitbucket.org/sjodogne/orthanc/issues/54/decide-what-to-do-wrt-quoting-of-multipart
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344 // https://tools.ietf.org/html/rfc7231#section-3.1.1.1
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345 if (subType.size() >= 2 &&
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346 subType[0] == '"' &&
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347 subType[subType.size() - 1] == '"')
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348 {
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349 subType = subType.substr(1, subType.size() - 2);
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350 }
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351 }
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352 }
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353 }
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354
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355 return valid;
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356 }
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357 }