Mercurial > hg > orthanc-stone
comparison StoneWebViewer/Plugin/Plugin.cpp @ 1495:fb74ed5d8c22
initial commit of the Stone Web viewer
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Thu, 25 Jun 2020 16:51:10 +0200 |
parents | |
children | 6e832ff72a5e |
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1494:5a3ef478deb6 | 1495:fb74ed5d8c22 |
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1 /** | |
2 * Stone of Orthanc | |
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
4 * Department, University Hospital of Liege, Belgium | |
5 * Copyright (C) 2017-2020 Osimis S.A., Belgium | |
6 * | |
7 * This program is free software: you can redistribute it and/or | |
8 * modify it under the terms of the GNU Affero General Public License | |
9 * as published by the Free Software Foundation, either version 3 of | |
10 * the License, or (at your option) any later version. | |
11 * | |
12 * This program is distributed in the hope that it will be useful, but | |
13 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 * Affero General Public License for more details. | |
16 * | |
17 * You should have received a copy of the GNU Affero General Public License | |
18 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
19 **/ | |
20 | |
21 | |
22 #include <OrthancPluginCppWrapper.h> | |
23 #include <EmbeddedResources.h> | |
24 | |
25 #include <SystemToolbox.h> | |
26 #include <Toolbox.h> | |
27 | |
28 OrthancPluginErrorCode OnChangeCallback(OrthancPluginChangeType changeType, | |
29 OrthancPluginResourceType resourceType, | |
30 const char* resourceId) | |
31 { | |
32 try | |
33 { | |
34 if (changeType == OrthancPluginChangeType_OrthancStarted) | |
35 { | |
36 Json::Value info; | |
37 if (!OrthancPlugins::RestApiGet(info, "/plugins/dicom-web", false)) | |
38 { | |
39 throw Orthanc::OrthancException( | |
40 Orthanc::ErrorCode_InternalError, | |
41 "The Stone Web viewer requires the DICOMweb plugin to be installed"); | |
42 } | |
43 | |
44 if (info.type() != Json::objectValue || | |
45 !info.isMember("ID") || | |
46 !info.isMember("Version") || | |
47 info["ID"].type() != Json::stringValue || | |
48 info["Version"].type() != Json::stringValue || | |
49 info["ID"].asString() != "dicom-web") | |
50 { | |
51 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError, | |
52 "The DICOMweb plugin is not properly installed"); | |
53 } | |
54 | |
55 std::string version = info["Version"].asString(); | |
56 if (version != "mainline") | |
57 { | |
58 std::vector<std::string> tokens; | |
59 Orthanc::Toolbox::TokenizeString(tokens, version, '.'); | |
60 if (tokens.size() != 2) | |
61 { | |
62 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError, | |
63 "Bad version of the DICOMweb plugin: " + version); | |
64 } | |
65 | |
66 int major, minor; | |
67 | |
68 try | |
69 { | |
70 major = boost::lexical_cast<int>(tokens[0]); | |
71 minor = boost::lexical_cast<int>(tokens[1]); | |
72 } | |
73 catch (boost::bad_lexical_cast&) | |
74 { | |
75 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError, | |
76 "Bad version of the DICOMweb plugin: " + version); | |
77 } | |
78 | |
79 if (major <= 0 || | |
80 (major == 1 && minor <= 1)) | |
81 { | |
82 throw Orthanc::OrthancException( | |
83 Orthanc::ErrorCode_InternalError, | |
84 "The Stone Web viewer requires DICOMweb plugin with version >= 1.2, found: " + version); | |
85 } | |
86 | |
87 if (major <= 0 || | |
88 (major == 1 && minor == 2)) | |
89 { | |
90 /** | |
91 * DICOMweb 1.3 is better than 1.2 for 2 reasons: (1) | |
92 * MONOCHROME1 images are not properly rendered in DICOMweb | |
93 * 1.2, and (2) DICOMweb 1.2 cannot transcode images (this | |
94 * causes issues on JPEG2k images). | |
95 **/ | |
96 LOG(WARNING) << "The Stone Web viewer has some incompatibilities " | |
97 << "with DICOMweb plugin 1.2, consider upgrading the DICOMweb plugin"; | |
98 } | |
99 } | |
100 } | |
101 } | |
102 catch (Orthanc::OrthancException& e) | |
103 { | |
104 LOG(ERROR) << "Exception: " << e.What(); | |
105 return static_cast<OrthancPluginErrorCode>(e.GetErrorCode()); | |
106 } | |
107 | |
108 return OrthancPluginErrorCode_Success; | |
109 } | |
110 | |
111 | |
112 template <enum Orthanc::EmbeddedResources::DirectoryResourceId folder> | |
113 void ServeEmbeddedFolder(OrthancPluginRestOutput* output, | |
114 const char* url, | |
115 const OrthancPluginHttpRequest* request) | |
116 { | |
117 OrthancPluginContext* context = OrthancPlugins::GetGlobalContext(); | |
118 | |
119 if (request->method != OrthancPluginHttpMethod_Get) | |
120 { | |
121 OrthancPluginSendMethodNotAllowed(context, output, "GET"); | |
122 } | |
123 else | |
124 { | |
125 std::string path = "/" + std::string(request->groups[0]); | |
126 const char* mime = Orthanc::EnumerationToString(Orthanc::SystemToolbox::AutodetectMimeType(path)); | |
127 | |
128 std::string s; | |
129 Orthanc::EmbeddedResources::GetDirectoryResource(s, folder, path.c_str()); | |
130 | |
131 const char* resource = s.size() ? s.c_str() : NULL; | |
132 OrthancPluginAnswerBuffer(context, output, resource, s.size(), mime); | |
133 } | |
134 } | |
135 | |
136 | |
137 template <enum Orthanc::EmbeddedResources::FileResourceId file> | |
138 void ServeEmbeddedFile(OrthancPluginRestOutput* output, | |
139 const char* url, | |
140 const OrthancPluginHttpRequest* request) | |
141 { | |
142 OrthancPluginContext* context = OrthancPlugins::GetGlobalContext(); | |
143 | |
144 if (request->method != OrthancPluginHttpMethod_Get) | |
145 { | |
146 OrthancPluginSendMethodNotAllowed(context, output, "GET"); | |
147 } | |
148 else | |
149 { | |
150 const char* mime = Orthanc::EnumerationToString(Orthanc::SystemToolbox::AutodetectMimeType(url)); | |
151 | |
152 std::string s; | |
153 Orthanc::EmbeddedResources::GetFileResource(s, file); | |
154 | |
155 const char* resource = s.size() ? s.c_str() : NULL; | |
156 OrthancPluginAnswerBuffer(context, output, resource, s.size(), mime); | |
157 } | |
158 } | |
159 | |
160 | |
161 extern "C" | |
162 { | |
163 ORTHANC_PLUGINS_API int32_t OrthancPluginInitialize(OrthancPluginContext* context) | |
164 { | |
165 OrthancPlugins::SetGlobalContext(context); | |
166 Orthanc::Logging::InitializePluginContext(context); | |
167 | |
168 /* Check the version of the Orthanc core */ | |
169 if (OrthancPluginCheckVersion(context) == 0) | |
170 { | |
171 char info[1024]; | |
172 sprintf(info, "Your version of Orthanc (%s) must be above %d.%d.%d to run this plugin", | |
173 context->orthancVersion, | |
174 ORTHANC_PLUGINS_MINIMAL_MAJOR_NUMBER, | |
175 ORTHANC_PLUGINS_MINIMAL_MINOR_NUMBER, | |
176 ORTHANC_PLUGINS_MINIMAL_REVISION_NUMBER); | |
177 OrthancPluginLogError(context, info); | |
178 return -1; | |
179 } | |
180 | |
181 try | |
182 { | |
183 std::string explorer; | |
184 Orthanc::EmbeddedResources::GetFileResource( | |
185 explorer, Orthanc::EmbeddedResources::ORTHANC_EXPLORER); | |
186 OrthancPluginExtendOrthancExplorer(OrthancPlugins::GetGlobalContext(), explorer.c_str()); | |
187 | |
188 OrthancPlugins::RegisterRestCallback | |
189 <ServeEmbeddedFile<Orthanc::EmbeddedResources::STONE_WEB_VIEWER_WASM> > | |
190 ("/stone-webviewer/StoneWebViewer.wasm", true); | |
191 | |
192 OrthancPlugins::RegisterRestCallback | |
193 <ServeEmbeddedFile<Orthanc::EmbeddedResources::STONE_WEB_VIEWER_JS> > | |
194 ("/stone-webviewer/StoneWebViewer.js", true); | |
195 | |
196 OrthancPlugins::RegisterRestCallback | |
197 <ServeEmbeddedFile<Orthanc::EmbeddedResources::STONE_WRAPPER> > | |
198 ("/stone-webviewer/stone.js", true); | |
199 | |
200 OrthancPlugins::RegisterRestCallback | |
201 <ServeEmbeddedFolder<Orthanc::EmbeddedResources::IMAGES> > | |
202 ("/stone-webviewer/img/(.*)", true); | |
203 | |
204 OrthancPlugins::RegisterRestCallback | |
205 <ServeEmbeddedFolder<Orthanc::EmbeddedResources::WEB_APPLICATION> > | |
206 ("/stone-webviewer/(.*)", true); | |
207 | |
208 OrthancPluginRegisterOnChangeCallback(context, OnChangeCallback); | |
209 } | |
210 catch (...) | |
211 { | |
212 OrthancPlugins::LogError("Exception while initializing the Stone Web viewer plugin"); | |
213 return -1; | |
214 } | |
215 | |
216 return 0; | |
217 } | |
218 | |
219 | |
220 ORTHANC_PLUGINS_API void OrthancPluginFinalize() | |
221 { | |
222 } | |
223 | |
224 | |
225 ORTHANC_PLUGINS_API const char* OrthancPluginGetName() | |
226 { | |
227 return PLUGIN_NAME; | |
228 } | |
229 | |
230 | |
231 ORTHANC_PLUGINS_API const char* OrthancPluginGetVersion() | |
232 { | |
233 return PLUGIN_VERSION; | |
234 } | |
235 } |