Mercurial > hg > orthanc
annotate Core/RestApi/RestApiOutput.cpp @ 1511:7962563129c9
starting support of deflate/gzip content types
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Mon, 10 Aug 2015 14:18:24 +0200 |
| parents | f967bdf8534e |
| children | d73a2178b319 |
| 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 compression_(HttpCompression_None), |
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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 |
| 209 | 81 void RestApiOutput::AnswerFile(HttpFileSender& sender) |
| 82 { | |
| 211 | 83 CheckStatus(); |
| 209 | 84 sender.Send(output_); |
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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 |
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95 std::string s; |
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96 Toolbox::JsonToXml(s, value); |
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97 output_.SetContentType("application/xml"); |
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98 output_.SendBody(s, compression_); |
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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"); |
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108 output_.SendBody(writer.write(value), compression_); |
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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 { | |
| 211 | 117 CheckStatus(); |
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118 output_.SetContentType(contentType.c_str()); |
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119 output_.SendBody(buffer, compression_); |
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120 alreadySent_ = true; |
| 209 | 121 } |
| 122 | |
| 339 | 123 void RestApiOutput::AnswerBuffer(const void* buffer, |
| 124 size_t length, | |
| 125 const std::string& contentType) | |
| 126 { | |
| 127 CheckStatus(); | |
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128 output_.SetContentType(contentType.c_str()); |
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129 output_.SendBody(buffer, length, compression_); |
| 339 | 130 alreadySent_ = true; |
| 131 } | |
| 132 | |
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133 void RestApiOutput::Redirect(const std::string& path) |
| 209 | 134 { |
| 211 | 135 CheckStatus(); |
| 209 | 136 output_.Redirect(path); |
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137 alreadySent_ = true; |
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138 } |
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139 |
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140 void RestApiOutput::SignalError(HttpStatus status) |
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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("This HTTP status is not allowed in a REST API"); |
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148 } |
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149 |
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150 CheckStatus(); |
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151 output_.SendStatus(status); |
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152 alreadySent_ = true; |
| 209 | 153 } |
| 330 | 154 |
| 155 void RestApiOutput::SetCookie(const std::string& name, | |
| 156 const std::string& value, | |
| 157 unsigned int maxAge) | |
| 158 { | |
| 159 if (name.find(";") != std::string::npos || | |
| 160 name.find(" ") != std::string::npos || | |
| 161 value.find(";") != std::string::npos || | |
| 162 value.find(" ") != std::string::npos) | |
| 163 { | |
| 164 throw OrthancException(ErrorCode_NotImplemented); | |
| 165 } | |
| 166 | |
| 167 CheckStatus(); | |
| 168 | |
| 169 std::string v = value + ";path=/"; | |
| 170 | |
| 171 if (maxAge != 0) | |
| 172 { | |
| 173 v += ";max-age=" + boost::lexical_cast<std::string>(maxAge); | |
| 174 } | |
| 175 | |
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176 output_.SetCookie(name, v); |
| 330 | 177 } |
| 178 | |
| 179 void RestApiOutput::ResetCookie(const std::string& name) | |
| 180 { | |
| 181 // This marks the cookie to be deleted by the browser in 1 second, | |
| 182 // and before it actually gets deleted, its value is set to the | |
| 183 // empty string | |
| 184 SetCookie(name, "", 1); | |
| 185 } | |
| 209 | 186 } |