Mercurial > hg > orthanc
annotate OrthancServer/OrthancRestApi.cpp @ 217:1ac3aacd10a5
simplifications
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Thu, 29 Nov 2012 12:22:23 +0100 |
| parents | e5d5d4a9a326 |
| children | 209ca3f6db62 |
| rev | line source |
|---|---|
| 0 | 1 /** |
| 62 | 2 * Orthanc - A Lightweight, RESTful DICOM Store |
| 0 | 3 * Copyright (C) 2012 Medical Physics Department, CHU of Liege, |
| 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. | |
| 136 | 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. | |
| 0 | 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 | |
| 62 | 33 #include "OrthancRestApi.h" |
| 0 | 34 |
| 62 | 35 #include "OrthancInitialization.h" |
| 0 | 36 #include "FromDcmtkBridge.h" |
|
213
4ce7fdcc8879
access to tags, simplified-tags and file of an instance
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
212
diff
changeset
|
37 #include "ServerToolbox.h" |
| 0 | 38 #include "../Core/Uuid.h" |
| 208 | 39 #include "../Core/HttpServer/FilesystemHttpSender.h" |
| 0 | 40 |
| 41 #include <dcmtk/dcmdata/dcistrmb.h> | |
| 42 #include <dcmtk/dcmdata/dcfilefo.h> | |
| 43 #include <boost/lexical_cast.hpp> | |
| 44 | |
| 62 | 45 namespace Orthanc |
| 0 | 46 { |
| 47 static void SendJson(HttpOutput& output, | |
| 48 const Json::Value& value) | |
| 49 { | |
| 50 Json::StyledWriter writer; | |
| 51 std::string s = writer.write(value); | |
| 52 output.AnswerBufferWithContentType(s, "application/json"); | |
| 53 } | |
| 54 | |
| 62 | 55 void OrthancRestApi::ConnectToModality(DicomUserConnection& c, |
| 217 | 56 const std::string& name) |
| 0 | 57 { |
| 58 std::string aet, address; | |
| 59 int port; | |
| 60 GetDicomModality(name, aet, address, port); | |
| 62 | 61 c.SetLocalApplicationEntityTitle(GetGlobalStringParameter("DicomAet", "ORTHANC")); |
| 0 | 62 c.SetDistantApplicationEntityTitle(aet); |
| 63 c.SetDistantHost(address); | |
| 64 c.SetDistantPort(port); | |
| 65 c.Open(); | |
| 66 } | |
| 67 | |
| 62 | 68 bool OrthancRestApi::MergeQueryAndTemplate(DicomMap& result, |
| 217 | 69 const std::string& postData) |
| 0 | 70 { |
| 71 Json::Value query; | |
| 72 Json::Reader reader; | |
| 73 | |
| 74 if (!reader.parse(postData, query) || | |
| 8 | 75 query.type() != Json::objectValue) |
| 0 | 76 { |
| 77 return false; | |
| 78 } | |
| 79 | |
| 80 Json::Value::Members members = query.getMemberNames(); | |
| 81 for (size_t i = 0; i < members.size(); i++) | |
| 82 { | |
| 83 DicomTag t = FromDcmtkBridge::FindTag(members[i]); | |
| 84 result.SetValue(t, query[members[i]].asString()); | |
| 85 } | |
| 86 | |
| 87 return true; | |
| 88 } | |
| 89 | |
| 62 | 90 bool OrthancRestApi::DicomFindPatient(Json::Value& result, |
| 217 | 91 DicomUserConnection& c, |
| 92 const std::string& postData) | |
| 0 | 93 { |
| 94 DicomMap m; | |
| 95 DicomMap::SetupFindPatientTemplate(m); | |
| 96 if (!MergeQueryAndTemplate(m, postData)) | |
| 97 { | |
| 98 return false; | |
| 99 } | |
| 100 | |
| 101 DicomFindAnswers answers; | |
| 102 c.FindPatient(answers, m); | |
| 103 answers.ToJson(result); | |
| 104 return true; | |
| 105 } | |
| 106 | |
| 62 | 107 bool OrthancRestApi::DicomFindStudy(Json::Value& result, |
| 217 | 108 DicomUserConnection& c, |
| 109 const std::string& postData) | |
| 0 | 110 { |
| 111 DicomMap m; | |
| 112 DicomMap::SetupFindStudyTemplate(m); | |
| 113 if (!MergeQueryAndTemplate(m, postData)) | |
| 114 { | |
| 115 return false; | |
| 116 } | |
| 117 | |
| 80 | 118 if (m.GetValue(DICOM_TAG_ACCESSION_NUMBER).AsString().size() <= 2 && |
| 119 m.GetValue(DICOM_TAG_PATIENT_ID).AsString().size() <= 2) | |
| 0 | 120 { |
| 121 return false; | |
| 122 } | |
| 123 | |
| 124 DicomFindAnswers answers; | |
| 125 c.FindStudy(answers, m); | |
| 126 answers.ToJson(result); | |
| 127 return true; | |
| 128 } | |
| 129 | |
| 62 | 130 bool OrthancRestApi::DicomFindSeries(Json::Value& result, |
| 217 | 131 DicomUserConnection& c, |
| 132 const std::string& postData) | |
| 0 | 133 { |
| 134 DicomMap m; | |
| 135 DicomMap::SetupFindSeriesTemplate(m); | |
| 136 if (!MergeQueryAndTemplate(m, postData)) | |
| 137 { | |
| 138 return false; | |
| 139 } | |
| 140 | |
| 80 | 141 if ((m.GetValue(DICOM_TAG_ACCESSION_NUMBER).AsString().size() <= 2 && |
| 142 m.GetValue(DICOM_TAG_PATIENT_ID).AsString().size() <= 2) || | |
| 143 m.GetValue(DICOM_TAG_STUDY_INSTANCE_UID).AsString().size() <= 2) | |
| 0 | 144 { |
| 145 return false; | |
| 146 } | |
| 147 | |
| 148 DicomFindAnswers answers; | |
| 149 c.FindSeries(answers, m); | |
| 150 answers.ToJson(result); | |
| 151 return true; | |
| 152 } | |
| 153 | |
| 62 | 154 bool OrthancRestApi::DicomFind(Json::Value& result, |
| 217 | 155 DicomUserConnection& c, |
| 156 const std::string& postData) | |
| 0 | 157 { |
| 158 DicomMap m; | |
| 159 DicomMap::SetupFindPatientTemplate(m); | |
| 160 if (!MergeQueryAndTemplate(m, postData)) | |
| 161 { | |
| 162 return false; | |
| 163 } | |
| 164 | |
| 165 DicomFindAnswers patients; | |
| 166 c.FindPatient(patients, m); | |
| 167 | |
| 168 // Loop over the found patients | |
| 169 result = Json::arrayValue; | |
| 170 for (size_t i = 0; i < patients.GetSize(); i++) | |
| 171 { | |
| 172 Json::Value patient(Json::objectValue); | |
| 173 FromDcmtkBridge::ToJson(patient, patients.GetAnswer(i)); | |
| 174 | |
| 175 DicomMap::SetupFindStudyTemplate(m); | |
| 176 if (!MergeQueryAndTemplate(m, postData)) | |
| 177 { | |
| 178 return false; | |
| 179 } | |
| 80 | 180 m.CopyTagIfExists(patients.GetAnswer(i), DICOM_TAG_PATIENT_ID); |
| 0 | 181 |
| 182 DicomFindAnswers studies; | |
| 183 c.FindStudy(studies, m); | |
| 184 | |
| 185 patient["Studies"] = Json::arrayValue; | |
| 186 | |
| 187 // Loop over the found studies | |
| 188 for (size_t j = 0; j < studies.GetSize(); j++) | |
| 189 { | |
| 190 Json::Value study(Json::objectValue); | |
| 191 FromDcmtkBridge::ToJson(study, studies.GetAnswer(j)); | |
| 192 | |
| 193 DicomMap::SetupFindSeriesTemplate(m); | |
| 194 if (!MergeQueryAndTemplate(m, postData)) | |
| 195 { | |
| 196 return false; | |
| 197 } | |
| 80 | 198 m.CopyTagIfExists(studies.GetAnswer(j), DICOM_TAG_PATIENT_ID); |
| 199 m.CopyTagIfExists(studies.GetAnswer(j), DICOM_TAG_STUDY_INSTANCE_UID); | |
| 0 | 200 |
| 201 DicomFindAnswers series; | |
| 202 c.FindSeries(series, m); | |
| 203 | |
| 204 // Loop over the found series | |
| 205 study["Series"] = Json::arrayValue; | |
| 206 for (size_t k = 0; k < series.GetSize(); k++) | |
| 207 { | |
| 208 Json::Value series2(Json::objectValue); | |
| 209 FromDcmtkBridge::ToJson(series2, series.GetAnswer(k)); | |
| 210 study["Series"].append(series2); | |
| 211 } | |
| 212 | |
| 213 patient["Studies"].append(study); | |
| 214 } | |
| 215 | |
| 216 result.append(patient); | |
| 217 } | |
| 218 | |
| 219 return true; | |
| 220 } | |
| 221 | |
| 222 | |
| 223 | |
| 62 | 224 bool OrthancRestApi::DicomStore(Json::Value& result, |
| 217 | 225 DicomUserConnection& c, |
| 226 const std::string& postData) | |
| 0 | 227 { |
| 228 Json::Value found(Json::objectValue); | |
| 229 | |
| 230 if (!Toolbox::IsUuid(postData)) | |
| 231 { | |
| 232 // This is not a UUID, assume this is a DICOM instance | |
| 233 c.Store(postData); | |
| 234 } | |
| 212 | 235 else if (index_.LookupResource(found, postData, ResourceType_Series)) |
| 0 | 236 { |
| 237 // The UUID corresponds to a series | |
| 126 | 238 for (Json::Value::ArrayIndex i = 0; i < found["Instances"].size(); i++) |
| 0 | 239 { |
| 240 std::string uuid = found["Instances"][i].asString(); | |
| 241 Json::Value instance(Json::objectValue); | |
| 212 | 242 if (index_.LookupResource(instance, uuid, ResourceType_Instance)) |
| 0 | 243 { |
| 244 std::string content; | |
| 245 storage_.ReadFile(content, instance["FileUuid"].asString()); | |
| 246 c.Store(content); | |
| 247 } | |
| 248 else | |
| 249 { | |
| 250 return false; | |
| 251 } | |
| 252 } | |
| 253 } | |
| 212 | 254 else if (index_.LookupResource(found, postData, ResourceType_Instance)) |
| 0 | 255 { |
| 256 // The UUID corresponds to an instance | |
| 257 std::string content; | |
| 258 storage_.ReadFile(content, found["FileUuid"].asString()); | |
| 259 c.Store(content); | |
| 260 } | |
| 261 else | |
| 262 { | |
| 263 return false; | |
| 264 } | |
| 265 | |
| 266 return true; | |
| 267 } | |
| 268 | |
| 269 | |
| 62 | 270 OrthancRestApi::OrthancRestApi(ServerIndex& index, |
| 217 | 271 const std::string& path) : |
| 0 | 272 index_(index), |
| 273 storage_(path) | |
| 274 { | |
| 275 GetListOfDicomModalities(modalities_); | |
| 276 } | |
| 277 | |
| 278 | |
| 62 | 279 void OrthancRestApi::Handle( |
| 0 | 280 HttpOutput& output, |
| 281 const std::string& method, | |
| 282 const UriComponents& uri, | |
| 283 const Arguments& headers, | |
| 207 | 284 const Arguments& getArguments, |
| 0 | 285 const std::string& postData) |
| 286 { | |
| 287 bool existingResource = false; | |
| 288 Json::Value result(Json::objectValue); | |
| 289 | |
| 290 | |
| 291 // DICOM bridge ------------------------------------------------------------- | |
| 292 | |
| 293 if ((uri.size() == 2 || | |
| 294 uri.size() == 3) && | |
| 295 uri[0] == "modalities") | |
| 296 { | |
| 297 if (modalities_.find(uri[1]) == modalities_.end()) | |
| 298 { | |
| 299 // Unknown modality | |
| 300 } | |
| 301 else if (uri.size() == 2) | |
| 302 { | |
| 303 if (method != "GET") | |
| 304 { | |
| 305 output.SendMethodNotAllowedError("POST"); | |
| 306 return; | |
| 307 } | |
| 308 else | |
| 309 { | |
| 310 existingResource = true; | |
| 311 result = Json::arrayValue; | |
| 312 result.append("find-patient"); | |
| 313 result.append("find-study"); | |
| 314 result.append("find-series"); | |
| 315 result.append("find"); | |
| 316 result.append("store"); | |
| 317 } | |
| 318 } | |
| 319 else if (uri.size() == 3) | |
| 320 { | |
| 321 if (uri[2] != "find-patient" && | |
| 322 uri[2] != "find-study" && | |
| 323 uri[2] != "find-series" && | |
| 324 uri[2] != "find" && | |
| 325 uri[2] != "store") | |
| 326 { | |
| 327 // Unknown request | |
| 328 } | |
| 329 else if (method != "POST") | |
| 330 { | |
| 331 output.SendMethodNotAllowedError("POST"); | |
| 332 return; | |
| 333 } | |
| 334 else | |
| 335 { | |
| 336 DicomUserConnection connection; | |
| 337 ConnectToModality(connection, uri[1]); | |
| 338 existingResource = true; | |
| 339 | |
| 340 if ((uri[2] == "find-patient" && !DicomFindPatient(result, connection, postData)) || | |
| 341 (uri[2] == "find-study" && !DicomFindStudy(result, connection, postData)) || | |
| 342 (uri[2] == "find-series" && !DicomFindSeries(result, connection, postData)) || | |
| 343 (uri[2] == "find" && !DicomFind(result, connection, postData)) || | |
| 344 (uri[2] == "store" && !DicomStore(result, connection, postData))) | |
| 345 { | |
| 62 | 346 output.SendHeader(Orthanc_HttpStatus_400_BadRequest); |
| 0 | 347 return; |
| 348 } | |
| 349 } | |
| 350 } | |
| 351 } | |
| 352 | |
| 353 | |
| 354 if (existingResource) | |
| 355 { | |
| 356 SendJson(output, result); | |
| 357 } | |
| 358 else | |
| 359 { | |
| 62 | 360 output.SendHeader(Orthanc_HttpStatus_404_NotFound); |
| 0 | 361 } |
| 362 } | |
| 363 } |