Mercurial > hg > orthanc
annotate Core/RestApi/RestApiOutput.cpp @ 1261:ef74281b2ffa
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| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Thu, 08 Jan 2015 15:45:20 +0100 |
| parents | 7d2c8d28ad87 |
| children | 6e7e5ed91c2d |
| rev | line source |
|---|---|
| 209 | 1 /** |
| 2 * Orthanc - A Lightweight, RESTful DICOM Store | |
| 689 | 3 * Copyright (C) 2012-2014 Medical Physics Department, CHU of Liege, |
| 209 | 4 * Belgium |
| 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 | |
| 330 | 36 #include <boost/lexical_cast.hpp> |
| 1048 | 37 #include <glog/logging.h> |
| 330 | 38 |
| 211 | 39 #include "../OrthancException.h" |
| 40 | |
| 209 | 41 namespace Orthanc |
| 42 { | |
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43 RestApiOutput::RestApiOutput(HttpOutput& output) : |
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44 output_(output), |
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45 convertJsonToXml_(false) |
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46 { |
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47 alreadySent_ = false; |
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48 } |
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49 |
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50 RestApiOutput::~RestApiOutput() |
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51 { |
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52 } |
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53 |
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54 void RestApiOutput::Finalize() |
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55 { |
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56 if (!alreadySent_) |
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57 { |
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58 output_.SendStatus(HttpStatus_404_NotFound); |
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59 } |
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60 } |
| 211 | 61 |
| 62 void RestApiOutput::CheckStatus() | |
| 63 { | |
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64 if (alreadySent_) |
| 211 | 65 { |
| 66 throw OrthancException(ErrorCode_BadSequenceOfCalls); | |
| 67 } | |
| 68 } | |
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69 |
| 209 | 70 void RestApiOutput::AnswerFile(HttpFileSender& sender) |
| 71 { | |
| 211 | 72 CheckStatus(); |
| 209 | 73 sender.Send(output_); |
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74 alreadySent_ = true; |
| 209 | 75 } |
| 76 | |
| 77 void RestApiOutput::AnswerJson(const Json::Value& value) | |
| 78 { | |
| 211 | 79 CheckStatus(); |
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80 |
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81 if (convertJsonToXml_) |
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82 { |
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83 #if ORTHANC_PUGIXML_ENABLED == 1 |
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84 std::string s; |
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85 Toolbox::JsonToXml(s, value); |
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86 output_.SetContentType("application/xml"); |
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87 output_.SendBody(s); |
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88 #else |
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89 LOG(ERROR) << "Orthanc was compiled without XML support"; |
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90 throw OrthancException(ErrorCode_InternalError); |
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91 #endif |
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92 } |
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93 else |
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94 { |
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95 Json::StyledWriter writer; |
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96 output_.SetContentType("application/json"); |
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97 output_.SendBody(writer.write(value)); |
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98 } |
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99 |
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100 alreadySent_ = true; |
| 209 | 101 } |
| 102 | |
| 103 void RestApiOutput::AnswerBuffer(const std::string& buffer, | |
| 104 const std::string& contentType) | |
| 105 { | |
| 211 | 106 CheckStatus(); |
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107 output_.SetContentType(contentType.c_str()); |
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108 output_.SendBody(buffer); |
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109 alreadySent_ = true; |
| 209 | 110 } |
| 111 | |
| 339 | 112 void RestApiOutput::AnswerBuffer(const void* buffer, |
| 113 size_t length, | |
| 114 const std::string& contentType) | |
| 115 { | |
| 116 CheckStatus(); | |
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117 output_.SetContentType(contentType.c_str()); |
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118 output_.SendBody(buffer, length); |
| 339 | 119 alreadySent_ = true; |
| 120 } | |
| 121 | |
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122 void RestApiOutput::Redirect(const std::string& path) |
| 209 | 123 { |
| 211 | 124 CheckStatus(); |
| 209 | 125 output_.Redirect(path); |
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126 alreadySent_ = true; |
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127 } |
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128 |
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129 void RestApiOutput::SignalError(HttpStatus status) |
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130 { |
| 1194 | 131 if (status != HttpStatus_400_BadRequest && |
| 132 status != HttpStatus_403_Forbidden && | |
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133 status != HttpStatus_500_InternalServerError && |
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134 status != HttpStatus_415_UnsupportedMediaType) |
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135 { |
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136 throw OrthancException("This HTTP status is not allowed in a REST API"); |
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137 } |
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138 |
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139 CheckStatus(); |
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140 output_.SendStatus(status); |
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141 alreadySent_ = true; |
| 209 | 142 } |
| 330 | 143 |
| 144 void RestApiOutput::SetCookie(const std::string& name, | |
| 145 const std::string& value, | |
| 146 unsigned int maxAge) | |
| 147 { | |
| 148 if (name.find(";") != std::string::npos || | |
| 149 name.find(" ") != std::string::npos || | |
| 150 value.find(";") != std::string::npos || | |
| 151 value.find(" ") != std::string::npos) | |
| 152 { | |
| 153 throw OrthancException(ErrorCode_NotImplemented); | |
| 154 } | |
| 155 | |
| 156 CheckStatus(); | |
| 157 | |
| 158 std::string v = value + ";path=/"; | |
| 159 | |
| 160 if (maxAge != 0) | |
| 161 { | |
| 162 v += ";max-age=" + boost::lexical_cast<std::string>(maxAge); | |
| 163 } | |
| 164 | |
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165 output_.SetCookie(name, v); |
| 330 | 166 } |
| 167 | |
| 168 void RestApiOutput::ResetCookie(const std::string& name) | |
| 169 { | |
| 170 // This marks the cookie to be deleted by the browser in 1 second, | |
| 171 // and before it actually gets deleted, its value is set to the | |
| 172 // empty string | |
| 173 SetCookie(name, "", 1); | |
| 174 } | |
| 209 | 175 } |