Mercurial > hg > orthanc
annotate Core/RestApi/RestApiOutput.cpp @ 2142:5a8840920121
reorganization
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Wed, 09 Nov 2016 16:26:40 +0100 |
| parents | dd609a99d39a |
| children | a3a65de1840f |
| rev | line source |
|---|---|
| 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 |
| 209 | 5 * |
| 6 * This program is free software: you can redistribute it and/or | |
| 7 * modify it under the terms of the GNU General Public License as | |
| 8 * published by the Free Software Foundation, either version 3 of the | |
| 9 * License, or (at your option) any later version. | |
| 10 * | |
| 11 * In addition, as a special exception, the copyright holders of this | |
| 12 * program give permission to link the code of its release with the | |
| 13 * OpenSSL project's "OpenSSL" library (or with modified versions of it | |
| 14 * that use the same license as the "OpenSSL" library), and distribute | |
| 15 * the linked executables. You must obey the GNU General Public License | |
| 16 * in all respects for all of the code used other than "OpenSSL". If you | |
| 17 * modify file(s) with this exception, you may extend this exception to | |
| 18 * your version of the file(s), but you are not obligated to do so. If | |
| 19 * you do not wish to do so, delete this exception statement from your | |
| 20 * version. If you delete this exception statement from all source files | |
| 21 * in the program, then also delete it here. | |
| 22 * | |
| 23 * This program is distributed in the hope that it will be useful, but | |
| 24 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 26 * General Public License for more details. | |
| 27 * | |
| 28 * You should have received a copy of the GNU General Public License | |
| 29 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 30 **/ | |
| 31 | |
| 32 | |
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33 #include "../PrecompiledHeaders.h" |
| 209 | 34 #include "RestApiOutput.h" |
| 35 | |
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36 #include "../Logging.h" |
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37 #include "../OrthancException.h" |
| 2142 | 38 #include "../Toolbox.h" |
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39 |
| 330 | 40 #include <boost/lexical_cast.hpp> |
| 41 | |
| 211 | 42 |
| 209 | 43 namespace Orthanc |
| 44 { | |
| 1368 | 45 RestApiOutput::RestApiOutput(HttpOutput& output, |
| 46 HttpMethod method) : | |
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47 output_(output), |
| 1368 | 48 method_(method), |
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49 convertJsonToXml_(false) |
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50 { |
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51 alreadySent_ = false; |
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52 } |
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53 |
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54 RestApiOutput::~RestApiOutput() |
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55 { |
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56 } |
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57 |
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58 void RestApiOutput::Finalize() |
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59 { |
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60 if (!alreadySent_) |
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61 { |
| 1368 | 62 if (method_ == HttpMethod_Post) |
| 63 { | |
| 64 output_.SendStatus(HttpStatus_400_BadRequest); | |
| 65 } | |
| 66 else | |
| 67 { | |
| 68 output_.SendStatus(HttpStatus_404_NotFound); | |
| 69 } | |
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70 } |
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71 } |
| 211 | 72 |
| 73 void RestApiOutput::CheckStatus() | |
| 74 { | |
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75 if (alreadySent_) |
| 211 | 76 { |
| 77 throw OrthancException(ErrorCode_BadSequenceOfCalls); | |
| 78 } | |
| 79 } | |
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80 |
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81 |
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82 void RestApiOutput::AnswerStream(IHttpStreamAnswer& stream) |
| 209 | 83 { |
| 211 | 84 CheckStatus(); |
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85 output_.Answer(stream); |
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86 alreadySent_ = true; |
| 209 | 87 } |
| 88 | |
| 89 void RestApiOutput::AnswerJson(const Json::Value& value) | |
| 90 { | |
| 211 | 91 CheckStatus(); |
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92 |
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93 if (convertJsonToXml_) |
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94 { |
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95 #if ORTHANC_ENABLE_PUGIXML == 1 |
| 1517 | 96 std::string s; |
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97 Toolbox::JsonToXml(s, value); |
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98 output_.SetContentType("application/xml; charset=utf-8"); |
| 1521 | 99 output_.Answer(s); |
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100 #else |
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101 LOG(ERROR) << "Orthanc was compiled without XML support"; |
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102 throw OrthancException(ErrorCode_InternalError); |
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103 #endif |
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104 } |
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105 else |
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106 { |
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107 Json::StyledWriter writer; |
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108 output_.SetContentType("application/json; charset=utf-8"); |
| 1521 | 109 output_.Answer(writer.write(value)); |
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110 } |
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111 |
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112 alreadySent_ = true; |
| 209 | 113 } |
| 114 | |
| 115 void RestApiOutput::AnswerBuffer(const std::string& buffer, | |
| 116 const std::string& contentType) | |
| 117 { | |
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118 AnswerBuffer(buffer.size() == 0 ? NULL : buffer.c_str(), |
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119 buffer.size(), contentType); |
| 209 | 120 } |
| 121 | |
| 339 | 122 void RestApiOutput::AnswerBuffer(const void* buffer, |
| 123 size_t length, | |
| 124 const std::string& contentType) | |
| 125 { | |
| 126 CheckStatus(); | |
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127 output_.SetContentType(contentType.c_str()); |
| 1521 | 128 output_.Answer(buffer, length); |
| 339 | 129 alreadySent_ = true; |
| 130 } | |
| 131 | |
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132 void RestApiOutput::Redirect(const std::string& path) |
| 209 | 133 { |
| 211 | 134 CheckStatus(); |
| 209 | 135 output_.Redirect(path); |
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136 alreadySent_ = true; |
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137 } |
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138 |
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139 void RestApiOutput::SignalErrorInternal(HttpStatus status, |
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140 const char* message, |
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141 size_t messageSize) |
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142 { |
| 1194 | 143 if (status != HttpStatus_400_BadRequest && |
| 144 status != HttpStatus_403_Forbidden && | |
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145 status != HttpStatus_500_InternalServerError && |
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146 status != HttpStatus_415_UnsupportedMediaType) |
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147 { |
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148 throw OrthancException(ErrorCode_BadHttpStatusInRest); |
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149 } |
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150 |
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151 CheckStatus(); |
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152 output_.SendStatus(status, message, messageSize); |
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153 alreadySent_ = true; |
| 209 | 154 } |
| 330 | 155 |
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156 void RestApiOutput::SignalError(HttpStatus status) |
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157 { |
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158 SignalErrorInternal(status, NULL, 0); |
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159 } |
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160 |
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161 void RestApiOutput::SignalError(HttpStatus status, |
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162 const std::string& message) |
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163 { |
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164 SignalErrorInternal(status, message.c_str(), message.size()); |
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165 } |
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166 |
| 330 | 167 void RestApiOutput::SetCookie(const std::string& name, |
| 168 const std::string& value, | |
| 169 unsigned int maxAge) | |
| 170 { | |
| 171 if (name.find(";") != std::string::npos || | |
| 172 name.find(" ") != std::string::npos || | |
| 173 value.find(";") != std::string::npos || | |
| 174 value.find(" ") != std::string::npos) | |
| 175 { | |
| 176 throw OrthancException(ErrorCode_NotImplemented); | |
| 177 } | |
| 178 | |
| 179 CheckStatus(); | |
| 180 | |
| 181 std::string v = value + ";path=/"; | |
| 182 | |
| 183 if (maxAge != 0) | |
| 184 { | |
| 185 v += ";max-age=" + boost::lexical_cast<std::string>(maxAge); | |
| 186 } | |
| 187 | |
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188 output_.SetCookie(name, v); |
| 330 | 189 } |
| 190 | |
| 191 void RestApiOutput::ResetCookie(const std::string& name) | |
| 192 { | |
| 193 // This marks the cookie to be deleted by the browser in 1 second, | |
| 194 // and before it actually gets deleted, its value is set to the | |
| 195 // empty string | |
| 196 SetCookie(name, "", 1); | |
| 197 } | |
| 209 | 198 } |