Mercurial > hg > orthanc
annotate OrthancFramework/Sources/RestApi/RestApiOutput.cpp @ 5853:4d932683049d get-scu tip
very first implementation of C-Get SCU
author | Alain Mazy <am@orthanc.team> |
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date | Tue, 29 Oct 2024 17:25:49 +0100 |
parents | f7adfb22e20e |
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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) 2017-2023 Osimis S.A., Belgium |
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6 * Copyright (C) 2024-2024 Orthanc Team SRL, Belgium |
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7 * Copyright (C) 2021-2024 Sebastien Jodogne, ICTEAM UCLouvain, Belgium |
209 | 8 * |
9 * This program is free software: you can redistribute it and/or | |
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10 * modify it under the terms of the GNU Lesser General Public License |
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11 * as published by the Free Software Foundation, either version 3 of |
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12 * the License, or (at your option) any later version. |
209 | 13 * |
14 * This program is distributed in the hope that it will be useful, but | |
15 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
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17 * Lesser General Public License for more details. |
209 | 18 * |
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19 * You should have received a copy of the GNU Lesser General Public |
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20 * License along with this program. If not, see |
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21 * <http://www.gnu.org/licenses/>. |
209 | 22 **/ |
23 | |
24 | |
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25 #include "../PrecompiledHeaders.h" |
209 | 26 #include "RestApiOutput.h" |
27 | |
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28 #include "../Logging.h" |
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29 #include "../OrthancException.h" |
2142 | 30 #include "../Toolbox.h" |
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31 |
330 | 32 #include <boost/lexical_cast.hpp> |
33 | |
211 | 34 |
209 | 35 namespace Orthanc |
36 { | |
1368 | 37 RestApiOutput::RestApiOutput(HttpOutput& output, |
38 HttpMethod method) : | |
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39 output_(output), |
1368 | 40 method_(method), |
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41 convertJsonToXml_(false) |
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42 { |
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43 alreadySent_ = false; |
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44 } |
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45 |
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46 RestApiOutput::~RestApiOutput() |
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47 { |
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48 } |
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49 |
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50 void RestApiOutput::Finalize() |
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51 { |
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52 if (!alreadySent_) |
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53 { |
1368 | 54 if (method_ == HttpMethod_Post) |
55 { | |
56 output_.SendStatus(HttpStatus_400_BadRequest); | |
57 } | |
58 else | |
59 { | |
60 output_.SendStatus(HttpStatus_404_NotFound); | |
61 } | |
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62 } |
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63 } |
211 | 64 |
65 void RestApiOutput::CheckStatus() | |
66 { | |
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67 if (alreadySent_) |
211 | 68 { |
69 throw OrthancException(ErrorCode_BadSequenceOfCalls); | |
70 } | |
71 } | |
210
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72 |
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73 |
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74 void RestApiOutput::AnswerStream(IHttpStreamAnswer& stream) |
209 | 75 { |
211 | 76 CheckStatus(); |
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77 output_.Answer(stream); |
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78 alreadySent_ = true; |
209 | 79 } |
80 | |
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81 |
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82 void RestApiOutput::AnswerWithoutBuffering(IHttpStreamAnswer& stream) |
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83 { |
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84 CheckStatus(); |
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85 output_.AnswerWithoutBuffering(stream); |
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86 alreadySent_ = true; |
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87 } |
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88 |
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89 |
209 | 90 void RestApiOutput::AnswerJson(const Json::Value& value) |
91 { | |
211 | 92 CheckStatus(); |
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93 |
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94 if (convertJsonToXml_) |
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95 { |
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96 #if ORTHANC_ENABLE_PUGIXML == 1 |
1517 | 97 std::string s; |
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98 Toolbox::JsonToXml(s, value); |
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99 |
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100 output_.SetContentType(MIME_XML_UTF8); |
1521 | 101 output_.Answer(s); |
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102 #else |
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103 throw OrthancException(ErrorCode_InternalError, |
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104 "Orthanc was compiled without XML support"); |
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105 #endif |
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106 } |
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107 else |
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108 { |
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109 std::string s; |
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110 Toolbox::WriteStyledJson(s, value); |
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111 output_.SetContentType(MIME_JSON_UTF8); |
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112 output_.Answer(s); |
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113 } |
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114 |
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115 alreadySent_ = true; |
209 | 116 } |
117 | |
118 void RestApiOutput::AnswerBuffer(const std::string& buffer, | |
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119 MimeType contentType) |
209 | 120 { |
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121 AnswerBuffer(buffer.size() == 0 ? NULL : buffer.c_str(), |
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122 buffer.size(), contentType); |
209 | 123 } |
124 | |
339 | 125 void RestApiOutput::AnswerBuffer(const void* buffer, |
126 size_t length, | |
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127 MimeType contentType) |
339 | 128 { |
129 CheckStatus(); | |
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130 |
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131 if (convertJsonToXml_ && |
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132 contentType == MimeType_Json) |
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133 { |
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134 Json::Value json; |
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135 if (Toolbox::ReadJson(json, buffer, length)) |
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136 { |
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137 AnswerJson(json); |
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138 } |
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139 else |
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140 { |
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141 throw OrthancException(ErrorCode_BadFileFormat, |
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142 "The REST API tries and answers with an invalid JSON file"); |
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143 } |
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144 } |
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145 else |
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146 { |
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147 output_.SetContentType(contentType); |
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148 output_.Answer(buffer, length); |
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149 alreadySent_ = true; |
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150 } |
339 | 151 } |
152 | |
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153 void RestApiOutput::Redirect(const std::string& path) |
209 | 154 { |
211 | 155 CheckStatus(); |
209 | 156 output_.Redirect(path); |
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157 alreadySent_ = true; |
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158 } |
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159 |
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160 void RestApiOutput::SignalErrorInternal(HttpStatus status, |
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161 const char* message, |
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162 size_t messageSize) |
216
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163 { |
1194 | 164 if (status != HttpStatus_400_BadRequest && |
165 status != HttpStatus_403_Forbidden && | |
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166 status != HttpStatus_500_InternalServerError && |
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167 status != HttpStatus_415_UnsupportedMediaType) |
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168 { |
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169 throw OrthancException(ErrorCode_BadHttpStatusInRest); |
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170 } |
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171 |
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172 CheckStatus(); |
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173 output_.SendStatus(status, message, messageSize); |
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174 alreadySent_ = true; |
209 | 175 } |
330 | 176 |
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177 void RestApiOutput::SignalError(HttpStatus status) |
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178 { |
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179 SignalErrorInternal(status, NULL, 0); |
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180 } |
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181 |
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182 void RestApiOutput::SignalError(HttpStatus status, |
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183 const std::string& message) |
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184 { |
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185 SignalErrorInternal(status, message.c_str(), message.size()); |
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186 } |
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187 |
330 | 188 void RestApiOutput::SetCookie(const std::string& name, |
189 const std::string& value, | |
190 unsigned int maxAge) | |
191 { | |
192 if (name.find(";") != std::string::npos || | |
193 name.find(" ") != std::string::npos || | |
194 value.find(";") != std::string::npos || | |
195 value.find(" ") != std::string::npos) | |
196 { | |
197 throw OrthancException(ErrorCode_NotImplemented); | |
198 } | |
199 | |
200 CheckStatus(); | |
201 | |
202 std::string v = value + ";path=/"; | |
203 | |
204 if (maxAge != 0) | |
205 { | |
206 v += ";max-age=" + boost::lexical_cast<std::string>(maxAge); | |
207 } | |
208 | |
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209 output_.SetCookie(name, v); |
330 | 210 } |
211 | |
212 void RestApiOutput::ResetCookie(const std::string& name) | |
213 { | |
214 // This marks the cookie to be deleted by the browser in 1 second, | |
215 // and before it actually gets deleted, its value is set to the | |
216 // empty string | |
217 SetCookie(name, "", 1); | |
218 } | |
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219 |
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220 void RestApiOutput::SetContentFilename(const char* filename) |
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221 { |
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222 output_.SetContentFilename(filename); |
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223 } |
209 | 224 } |