Mercurial > hg > orthanc
annotate OrthancFramework/Sources/RestApi/RestApiPath.cpp @ 4151:8c559dd5034b
Fix possible crash in HttpClient if sending multipart body (can occur in STOW-RS)
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Wed, 19 Aug 2020 11:59:02 +0200 |
| parents | bf7b9edf6b81 |
| children | b30a8de92ad9 |
| rev | line source |
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| 209 | 1 /** |
| 2 * Orthanc - A Lightweight, RESTful DICOM Store | |
| 1900 | 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 |
| 209 | 6 * |
| 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 Lesser General Public License |
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9 * as published by the Free Software Foundation, either version 3 of |
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10 * the License, or (at your option) any later version. |
| 209 | 11 * |
| 12 * This program is distributed in the hope that it will be useful, but | |
| 13 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
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15 * Lesser General Public License for more details. |
| 209 | 16 * |
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17 * You should have received a copy of the GNU Lesser General Public |
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18 * License along with this program. If not, see |
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19 * <http://www.gnu.org/licenses/>. |
| 209 | 20 **/ |
| 21 | |
| 22 | |
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23 #include "../PrecompiledHeaders.h" |
| 209 | 24 #include "RestApiPath.h" |
| 25 | |
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26 #include "../OrthancException.h" |
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27 |
| 209 | 28 #include <cassert> |
| 29 | |
| 30 namespace Orthanc | |
| 31 { | |
| 32 RestApiPath::RestApiPath(const std::string& uri) | |
| 33 { | |
| 34 Toolbox::SplitUriComponents(uri_, uri); | |
| 35 | |
| 36 if (uri_.size() == 0) | |
| 37 { | |
| 218 | 38 hasTrailing_ = false; |
| 209 | 39 return; |
| 40 } | |
| 41 | |
| 42 if (uri_.back() == "*") | |
| 43 { | |
| 44 hasTrailing_ = true; | |
| 45 uri_.pop_back(); | |
| 46 } | |
| 47 else | |
| 48 { | |
| 49 hasTrailing_ = false; | |
| 50 } | |
| 51 | |
| 52 components_.resize(uri_.size()); | |
| 53 for (size_t i = 0; i < uri_.size(); i++) | |
| 54 { | |
| 55 size_t s = uri_[i].size(); | |
| 56 assert(s > 0); | |
| 57 | |
| 58 if (uri_[i][0] == '{' && | |
| 59 uri_[i][s - 1] == '}') | |
| 60 { | |
| 61 components_[i] = uri_[i].substr(1, s - 2); | |
| 62 uri_[i] = ""; | |
| 63 } | |
| 64 else | |
| 65 { | |
| 66 components_[i] = ""; | |
| 67 } | |
| 68 } | |
| 69 } | |
| 70 | |
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71 bool RestApiPath::Match(IHttpHandler::Arguments& components, |
| 209 | 72 UriComponents& trailing, |
| 73 const std::string& uriRaw) const | |
| 74 { | |
| 75 UriComponents uri; | |
| 76 Toolbox::SplitUriComponents(uri, uriRaw); | |
| 77 return Match(components, trailing, uri); | |
| 78 } | |
| 79 | |
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80 bool RestApiPath::Match(IHttpHandler::Arguments& components, |
| 209 | 81 UriComponents& trailing, |
| 82 const UriComponents& uri) const | |
| 83 { | |
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84 assert(uri_.size() == components_.size()); |
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85 |
| 209 | 86 if (uri.size() < uri_.size()) |
| 87 { | |
| 88 return false; | |
| 89 } | |
| 90 | |
| 91 if (!hasTrailing_ && uri.size() > uri_.size()) | |
| 92 { | |
| 93 return false; | |
| 94 } | |
| 95 | |
| 96 components.clear(); | |
| 97 trailing.clear(); | |
| 98 | |
| 99 assert(uri_.size() <= uri.size()); | |
| 100 for (size_t i = 0; i < uri_.size(); i++) | |
| 101 { | |
| 102 if (components_[i].size() == 0) | |
| 103 { | |
| 104 // This URI component is not a free parameter | |
| 105 if (uri_[i] != uri[i]) | |
| 106 { | |
| 107 return false; | |
| 108 } | |
| 109 } | |
| 110 else | |
| 111 { | |
| 112 // This URI component is a free parameter | |
| 113 components[components_[i]] = uri[i]; | |
| 114 } | |
| 115 } | |
| 116 | |
| 117 if (hasTrailing_) | |
| 118 { | |
| 119 trailing.assign(uri.begin() + uri_.size(), uri.end()); | |
| 120 } | |
| 121 | |
| 122 return true; | |
| 123 } | |
| 124 | |
| 125 | |
| 126 bool RestApiPath::Match(const UriComponents& uri) const | |
| 127 { | |
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128 IHttpHandler::Arguments components; |
| 209 | 129 UriComponents trailing; |
| 130 return Match(components, trailing, uri); | |
| 131 } | |
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132 |
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133 |
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134 bool RestApiPath::IsWildcardLevel(size_t level) const |
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135 { |
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136 assert(uri_.size() == components_.size()); |
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137 |
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138 if (level >= uri_.size()) |
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139 { |
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140 throw OrthancException(ErrorCode_ParameterOutOfRange); |
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141 } |
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142 |
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143 return uri_[level].length() == 0; |
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144 } |
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145 |
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146 const std::string& RestApiPath::GetWildcardName(size_t level) const |
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147 { |
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148 assert(uri_.size() == components_.size()); |
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149 |
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150 if (!IsWildcardLevel(level)) |
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151 { |
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152 throw OrthancException(ErrorCode_BadParameterType); |
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153 } |
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154 |
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155 return components_[level]; |
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156 } |
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157 |
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158 const std::string& RestApiPath::GetLevelName(size_t level) const |
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159 { |
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160 assert(uri_.size() == components_.size()); |
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161 |
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162 if (IsWildcardLevel(level)) |
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163 { |
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164 throw OrthancException(ErrorCode_BadParameterType); |
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165 } |
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166 |
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167 return uri_[level]; |
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168 } |
| 209 | 169 } |
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170 |