Mercurial > hg > orthanc
annotate Core/RestApi/RestApiOutput.cpp @ 1100:f21f7783f934
fix RestApiOutput
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Thu, 07 Aug 2014 10:11:43 +0200 |
parents | 648bf1457113 |
children | ba5c0908600c |
rev | line source |
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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 { | |
210
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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 } |
211 | 53 |
54 void RestApiOutput::CheckStatus() | |
55 { | |
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56 if (alreadySent_) |
211 | 57 { |
58 throw OrthancException(ErrorCode_BadSequenceOfCalls); | |
59 } | |
60 } | |
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61 |
209 | 62 void RestApiOutput::AnswerFile(HttpFileSender& sender) |
63 { | |
211 | 64 CheckStatus(); |
209 | 65 sender.Send(output_); |
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66 alreadySent_ = true; |
209 | 67 } |
68 | |
69 void RestApiOutput::AnswerJson(const Json::Value& value) | |
70 { | |
211 | 71 CheckStatus(); |
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72 |
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73 if (convertJsonToXml_) |
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74 { |
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75 #if ORTHANC_PUGIXML_ENABLED == 1 |
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76 std::string s; |
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77 Toolbox::JsonToXml(s, value); |
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78 output_.AnswerBufferWithContentType(s, "application/xml"); |
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79 #else |
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80 LOG(ERROR) << "Orthanc was compiled without XML support"; |
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81 throw OrthancException(ErrorCode_InternalError); |
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82 #endif |
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83 } |
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84 else |
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85 { |
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86 Json::StyledWriter writer; |
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87 std::string s = writer.write(value); |
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88 output_.AnswerBufferWithContentType(s, "application/json"); |
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89 } |
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90 |
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91 alreadySent_ = true; |
209 | 92 } |
93 | |
94 void RestApiOutput::AnswerBuffer(const std::string& buffer, | |
95 const std::string& contentType) | |
96 { | |
211 | 97 CheckStatus(); |
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98 output_.AnswerBufferWithContentType(buffer, contentType); |
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99 alreadySent_ = true; |
209 | 100 } |
101 | |
339 | 102 void RestApiOutput::AnswerBuffer(const void* buffer, |
103 size_t length, | |
104 const std::string& contentType) | |
105 { | |
106 CheckStatus(); | |
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107 output_.AnswerBufferWithContentType(buffer, length, contentType); |
339 | 108 alreadySent_ = true; |
109 } | |
110 | |
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111 void RestApiOutput::Redirect(const std::string& path) |
209 | 112 { |
211 | 113 CheckStatus(); |
209 | 114 output_.Redirect(path); |
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115 alreadySent_ = true; |
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116 } |
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117 |
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118 void RestApiOutput::SignalError(HttpStatus status) |
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119 { |
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120 if (status != HttpStatus_403_Forbidden && |
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121 status != HttpStatus_415_UnsupportedMediaType) |
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122 { |
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123 throw OrthancException("This HTTP status is not allowed in a REST API"); |
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124 } |
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125 |
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126 CheckStatus(); |
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127 output_.SendHeader(status); |
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128 alreadySent_ = true; |
209 | 129 } |
330 | 130 |
131 void RestApiOutput::SetCookie(const std::string& name, | |
132 const std::string& value, | |
133 unsigned int maxAge) | |
134 { | |
135 if (name.find(";") != std::string::npos || | |
136 name.find(" ") != std::string::npos || | |
137 value.find(";") != std::string::npos || | |
138 value.find(" ") != std::string::npos) | |
139 { | |
140 throw OrthancException(ErrorCode_NotImplemented); | |
141 } | |
142 | |
143 CheckStatus(); | |
144 | |
145 std::string v = value + ";path=/"; | |
146 | |
147 if (maxAge != 0) | |
148 { | |
149 v += ";max-age=" + boost::lexical_cast<std::string>(maxAge); | |
150 } | |
151 | |
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152 output_.SetCookie(name, v); |
330 | 153 } |
154 | |
155 void RestApiOutput::ResetCookie(const std::string& name) | |
156 { | |
157 // This marks the cookie to be deleted by the browser in 1 second, | |
158 // and before it actually gets deleted, its value is set to the | |
159 // empty string | |
160 SetCookie(name, "", 1); | |
161 } | |
209 | 162 } |