Mercurial > hg > orthanc
annotate Core/RestApi/RestApiOutput.cpp @ 1790:bec9edcf0d98 worklists
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| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Wed, 18 Nov 2015 17:01:28 +0100 |
| parents | bd1889029cbb |
| children | b1291df2f780 |
| rev | line source |
|---|---|
| 209 | 1 /** |
| 2 * Orthanc - A Lightweight, RESTful DICOM Store | |
|
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3 * Copyright (C) 2012-2015 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" |
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38 |
| 330 | 39 #include <boost/lexical_cast.hpp> |
| 40 | |
| 211 | 41 |
| 209 | 42 namespace Orthanc |
| 43 { | |
| 1368 | 44 RestApiOutput::RestApiOutput(HttpOutput& output, |
| 45 HttpMethod method) : | |
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46 output_(output), |
| 1368 | 47 method_(method), |
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48 convertJsonToXml_(false) |
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49 { |
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50 alreadySent_ = false; |
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51 } |
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52 |
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53 RestApiOutput::~RestApiOutput() |
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54 { |
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55 } |
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56 |
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57 void RestApiOutput::Finalize() |
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58 { |
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59 if (!alreadySent_) |
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60 { |
| 1368 | 61 if (method_ == HttpMethod_Post) |
| 62 { | |
| 63 output_.SendStatus(HttpStatus_400_BadRequest); | |
| 64 } | |
| 65 else | |
| 66 { | |
| 67 output_.SendStatus(HttpStatus_404_NotFound); | |
| 68 } | |
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69 } |
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70 } |
| 211 | 71 |
| 72 void RestApiOutput::CheckStatus() | |
| 73 { | |
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74 if (alreadySent_) |
| 211 | 75 { |
| 76 throw OrthancException(ErrorCode_BadSequenceOfCalls); | |
| 77 } | |
| 78 } | |
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79 |
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80 |
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81 void RestApiOutput::AnswerStream(IHttpStreamAnswer& stream) |
| 209 | 82 { |
| 211 | 83 CheckStatus(); |
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84 output_.Answer(stream); |
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85 alreadySent_ = true; |
| 209 | 86 } |
| 87 | |
| 88 void RestApiOutput::AnswerJson(const Json::Value& value) | |
| 89 { | |
| 211 | 90 CheckStatus(); |
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91 |
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92 if (convertJsonToXml_) |
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93 { |
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94 #if ORTHANC_PUGIXML_ENABLED == 1 |
| 1517 | 95 std::string s; |
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96 Toolbox::JsonToXml(s, value); |
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97 output_.SetContentType("application/xml"); |
| 1521 | 98 output_.Answer(s); |
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99 #else |
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100 LOG(ERROR) << "Orthanc was compiled without XML support"; |
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101 throw OrthancException(ErrorCode_InternalError); |
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102 #endif |
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103 } |
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104 else |
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105 { |
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106 Json::StyledWriter writer; |
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107 output_.SetContentType("application/json"); |
| 1521 | 108 output_.Answer(writer.write(value)); |
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109 } |
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110 |
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111 alreadySent_ = true; |
| 209 | 112 } |
| 113 | |
| 114 void RestApiOutput::AnswerBuffer(const std::string& buffer, | |
| 115 const std::string& contentType) | |
| 116 { | |
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117 AnswerBuffer(buffer.size() == 0 ? NULL : buffer.c_str(), |
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118 buffer.size(), contentType); |
| 209 | 119 } |
| 120 | |
| 339 | 121 void RestApiOutput::AnswerBuffer(const void* buffer, |
| 122 size_t length, | |
| 123 const std::string& contentType) | |
| 124 { | |
| 125 CheckStatus(); | |
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126 output_.SetContentType(contentType.c_str()); |
| 1521 | 127 output_.Answer(buffer, length); |
| 339 | 128 alreadySent_ = true; |
| 129 } | |
| 130 | |
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131 void RestApiOutput::Redirect(const std::string& path) |
| 209 | 132 { |
| 211 | 133 CheckStatus(); |
| 209 | 134 output_.Redirect(path); |
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135 alreadySent_ = true; |
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136 } |
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137 |
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138 void RestApiOutput::SignalErrorInternal(HttpStatus status, |
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139 const char* message, |
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140 size_t messageSize) |
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141 { |
| 1194 | 142 if (status != HttpStatus_400_BadRequest && |
| 143 status != HttpStatus_403_Forbidden && | |
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144 status != HttpStatus_500_InternalServerError && |
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145 status != HttpStatus_415_UnsupportedMediaType) |
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146 { |
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147 throw OrthancException(ErrorCode_BadHttpStatusInRest); |
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148 } |
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149 |
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150 CheckStatus(); |
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151 output_.SendStatus(status, message, messageSize); |
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152 alreadySent_ = true; |
| 209 | 153 } |
| 330 | 154 |
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155 void RestApiOutput::SignalError(HttpStatus status) |
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156 { |
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157 SignalErrorInternal(status, NULL, 0); |
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158 } |
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159 |
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160 void RestApiOutput::SignalError(HttpStatus status, |
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161 const std::string& message) |
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162 { |
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163 SignalErrorInternal(status, message.c_str(), message.size()); |
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164 } |
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165 |
| 330 | 166 void RestApiOutput::SetCookie(const std::string& name, |
| 167 const std::string& value, | |
| 168 unsigned int maxAge) | |
| 169 { | |
| 170 if (name.find(";") != std::string::npos || | |
| 171 name.find(" ") != std::string::npos || | |
| 172 value.find(";") != std::string::npos || | |
| 173 value.find(" ") != std::string::npos) | |
| 174 { | |
| 175 throw OrthancException(ErrorCode_NotImplemented); | |
| 176 } | |
| 177 | |
| 178 CheckStatus(); | |
| 179 | |
| 180 std::string v = value + ";path=/"; | |
| 181 | |
| 182 if (maxAge != 0) | |
| 183 { | |
| 184 v += ";max-age=" + boost::lexical_cast<std::string>(maxAge); | |
| 185 } | |
| 186 | |
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187 output_.SetCookie(name, v); |
| 330 | 188 } |
| 189 | |
| 190 void RestApiOutput::ResetCookie(const std::string& name) | |
| 191 { | |
| 192 // This marks the cookie to be deleted by the browser in 1 second, | |
| 193 // and before it actually gets deleted, its value is set to the | |
| 194 // empty string | |
| 195 SetCookie(name, "", 1); | |
| 196 } | |
| 209 | 197 } |