Mercurial > hg > orthanc
annotate OrthancServer/OrthancRestApi.cpp @ 210:96b7918a6a18
start of the refactoring of the Orthanc REST API
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Wed, 28 Nov 2012 18:03:44 +0100 |
| parents | de640de989b8 |
| children | b7aea293b965 |
| 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" |
| 37 #include "../Core/Uuid.h" | |
| 208 | 38 #include "../Core/HttpServer/FilesystemHttpSender.h" |
| 0 | 39 |
| 40 #include <dcmtk/dcmdata/dcistrmb.h> | |
| 41 #include <dcmtk/dcmdata/dcfilefo.h> | |
| 42 #include <boost/lexical_cast.hpp> | |
| 43 | |
| 62 | 44 namespace Orthanc |
| 0 | 45 { |
| 46 static void SendJson(HttpOutput& output, | |
| 47 const Json::Value& value) | |
| 48 { | |
| 49 Json::StyledWriter writer; | |
| 50 std::string s = writer.write(value); | |
| 51 output.AnswerBufferWithContentType(s, "application/json"); | |
| 52 } | |
| 53 | |
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54 |
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55 static void SimplifyTagsRecursion(Json::Value& target, |
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56 const Json::Value& source) |
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57 { |
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58 assert(source.isObject()); |
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59 |
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60 target = Json::objectValue; |
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61 Json::Value::Members members = source.getMemberNames(); |
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62 |
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63 for (size_t i = 0; i < members.size(); i++) |
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64 { |
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65 const Json::Value& v = source[members[i]]; |
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66 const std::string& name = v["Name"].asString(); |
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67 const std::string& type = v["Type"].asString(); |
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68 |
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69 if (type == "String") |
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70 { |
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71 target[name] = v["Value"].asString(); |
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72 } |
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73 else if (type == "TooLong" || |
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74 type == "Null") |
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75 { |
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76 target[name] = Json::nullValue; |
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77 } |
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78 else if (type == "Sequence") |
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79 { |
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80 const Json::Value& array = v["Value"]; |
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81 assert(array.isArray()); |
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82 |
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83 Json::Value children = Json::arrayValue; |
| 126 | 84 for (Json::Value::ArrayIndex i = 0; i < array.size(); i++) |
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85 { |
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86 Json::Value c; |
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87 SimplifyTagsRecursion(c, array[i]); |
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88 children.append(c); |
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89 } |
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90 |
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91 target[name] = children; |
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92 } |
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93 else |
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94 { |
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95 assert(0); |
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96 } |
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97 } |
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98 } |
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99 |
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100 |
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101 static void SimplifyTags(Json::Value& target, |
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102 const FileStorage& storage, |
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103 const std::string& fileUuid) |
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104 { |
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105 std::string s; |
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106 storage.ReadFile(s, fileUuid); |
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107 |
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108 Json::Value source; |
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109 Json::Reader reader; |
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110 if (!reader.parse(s, source)) |
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111 { |
| 62 | 112 throw OrthancException("Corrupted JSON file"); |
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113 } |
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114 |
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115 SimplifyTagsRecursion(target, source); |
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116 } |
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117 |
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118 |
| 62 | 119 bool OrthancRestApi::Store(Json::Value& result, |
| 50 | 120 const std::string& postData) |
| 0 | 121 { |
| 122 // Prepare an input stream for the memory buffer | |
| 123 DcmInputBufferStream is; | |
| 124 if (postData.size() > 0) | |
| 125 { | |
| 126 is.setBuffer(&postData[0], postData.size()); | |
| 127 } | |
| 128 is.setEos(); | |
| 129 | |
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130 //printf("[%d]\n", postData.size()); |
| 0 | 131 |
| 132 DcmFileFormat dicomFile; | |
| 133 if (dicomFile.read(is).good()) | |
| 134 { | |
| 135 DicomMap dicomSummary; | |
| 136 FromDcmtkBridge::Convert(dicomSummary, *dicomFile.getDataset()); | |
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137 |
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138 DicomInstanceHasher hasher(dicomSummary); |
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139 |
| 0 | 140 Json::Value dicomJson; |
| 141 FromDcmtkBridge::ToJson(dicomJson, *dicomFile.getDataset()); | |
| 142 | |
| 143 StoreStatus status = StoreStatus_Failure; | |
| 144 if (postData.size() > 0) | |
| 145 { | |
| 146 status = index_.Store | |
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147 (storage_, reinterpret_cast<const char*>(&postData[0]), |
| 0 | 148 postData.size(), dicomSummary, dicomJson, ""); |
| 149 } | |
| 150 | |
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151 result["ID"] = hasher.HashInstance(); |
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152 result["Path"] = "/instances/" + hasher.HashInstance(); |
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153 |
| 0 | 154 switch (status) |
| 155 { | |
| 156 case StoreStatus_Success: | |
| 157 result["Status"] = "Success"; | |
| 158 return true; | |
| 159 | |
| 160 case StoreStatus_AlreadyStored: | |
| 161 result["Status"] = "AlreadyStored"; | |
| 162 return true; | |
| 163 | |
| 164 default: | |
| 165 return false; | |
| 166 } | |
| 167 } | |
| 168 | |
| 169 return false; | |
| 170 } | |
| 171 | |
| 62 | 172 void OrthancRestApi::ConnectToModality(DicomUserConnection& c, |
| 50 | 173 const std::string& name) |
| 0 | 174 { |
| 175 std::string aet, address; | |
| 176 int port; | |
| 177 GetDicomModality(name, aet, address, port); | |
| 62 | 178 c.SetLocalApplicationEntityTitle(GetGlobalStringParameter("DicomAet", "ORTHANC")); |
| 0 | 179 c.SetDistantApplicationEntityTitle(aet); |
| 180 c.SetDistantHost(address); | |
| 181 c.SetDistantPort(port); | |
| 182 c.Open(); | |
| 183 } | |
| 184 | |
| 62 | 185 bool OrthancRestApi::MergeQueryAndTemplate(DicomMap& result, |
| 50 | 186 const std::string& postData) |
| 0 | 187 { |
| 188 Json::Value query; | |
| 189 Json::Reader reader; | |
| 190 | |
| 191 if (!reader.parse(postData, query) || | |
| 8 | 192 query.type() != Json::objectValue) |
| 0 | 193 { |
| 194 return false; | |
| 195 } | |
| 196 | |
| 197 Json::Value::Members members = query.getMemberNames(); | |
| 198 for (size_t i = 0; i < members.size(); i++) | |
| 199 { | |
| 200 DicomTag t = FromDcmtkBridge::FindTag(members[i]); | |
| 201 result.SetValue(t, query[members[i]].asString()); | |
| 202 } | |
| 203 | |
| 204 return true; | |
| 205 } | |
| 206 | |
| 62 | 207 bool OrthancRestApi::DicomFindPatient(Json::Value& result, |
| 50 | 208 DicomUserConnection& c, |
| 209 const std::string& postData) | |
| 0 | 210 { |
| 211 DicomMap m; | |
| 212 DicomMap::SetupFindPatientTemplate(m); | |
| 213 if (!MergeQueryAndTemplate(m, postData)) | |
| 214 { | |
| 215 return false; | |
| 216 } | |
| 217 | |
| 218 DicomFindAnswers answers; | |
| 219 c.FindPatient(answers, m); | |
| 220 answers.ToJson(result); | |
| 221 return true; | |
| 222 } | |
| 223 | |
| 62 | 224 bool OrthancRestApi::DicomFindStudy(Json::Value& result, |
| 50 | 225 DicomUserConnection& c, |
| 226 const std::string& postData) | |
| 0 | 227 { |
| 228 DicomMap m; | |
| 229 DicomMap::SetupFindStudyTemplate(m); | |
| 230 if (!MergeQueryAndTemplate(m, postData)) | |
| 231 { | |
| 232 return false; | |
| 233 } | |
| 234 | |
| 80 | 235 if (m.GetValue(DICOM_TAG_ACCESSION_NUMBER).AsString().size() <= 2 && |
| 236 m.GetValue(DICOM_TAG_PATIENT_ID).AsString().size() <= 2) | |
| 0 | 237 { |
| 238 return false; | |
| 239 } | |
| 240 | |
| 241 DicomFindAnswers answers; | |
| 242 c.FindStudy(answers, m); | |
| 243 answers.ToJson(result); | |
| 244 return true; | |
| 245 } | |
| 246 | |
| 62 | 247 bool OrthancRestApi::DicomFindSeries(Json::Value& result, |
| 50 | 248 DicomUserConnection& c, |
| 249 const std::string& postData) | |
| 0 | 250 { |
| 251 DicomMap m; | |
| 252 DicomMap::SetupFindSeriesTemplate(m); | |
| 253 if (!MergeQueryAndTemplate(m, postData)) | |
| 254 { | |
| 255 return false; | |
| 256 } | |
| 257 | |
| 80 | 258 if ((m.GetValue(DICOM_TAG_ACCESSION_NUMBER).AsString().size() <= 2 && |
| 259 m.GetValue(DICOM_TAG_PATIENT_ID).AsString().size() <= 2) || | |
| 260 m.GetValue(DICOM_TAG_STUDY_INSTANCE_UID).AsString().size() <= 2) | |
| 0 | 261 { |
| 262 return false; | |
| 263 } | |
| 264 | |
| 265 DicomFindAnswers answers; | |
| 266 c.FindSeries(answers, m); | |
| 267 answers.ToJson(result); | |
| 268 return true; | |
| 269 } | |
| 270 | |
| 62 | 271 bool OrthancRestApi::DicomFind(Json::Value& result, |
| 50 | 272 DicomUserConnection& c, |
| 273 const std::string& postData) | |
| 0 | 274 { |
| 275 DicomMap m; | |
| 276 DicomMap::SetupFindPatientTemplate(m); | |
| 277 if (!MergeQueryAndTemplate(m, postData)) | |
| 278 { | |
| 279 return false; | |
| 280 } | |
| 281 | |
| 282 DicomFindAnswers patients; | |
| 283 c.FindPatient(patients, m); | |
| 284 | |
| 285 // Loop over the found patients | |
| 286 result = Json::arrayValue; | |
| 287 for (size_t i = 0; i < patients.GetSize(); i++) | |
| 288 { | |
| 289 Json::Value patient(Json::objectValue); | |
| 290 FromDcmtkBridge::ToJson(patient, patients.GetAnswer(i)); | |
| 291 | |
| 292 DicomMap::SetupFindStudyTemplate(m); | |
| 293 if (!MergeQueryAndTemplate(m, postData)) | |
| 294 { | |
| 295 return false; | |
| 296 } | |
| 80 | 297 m.CopyTagIfExists(patients.GetAnswer(i), DICOM_TAG_PATIENT_ID); |
| 0 | 298 |
| 299 DicomFindAnswers studies; | |
| 300 c.FindStudy(studies, m); | |
| 301 | |
| 302 patient["Studies"] = Json::arrayValue; | |
| 303 | |
| 304 // Loop over the found studies | |
| 305 for (size_t j = 0; j < studies.GetSize(); j++) | |
| 306 { | |
| 307 Json::Value study(Json::objectValue); | |
| 308 FromDcmtkBridge::ToJson(study, studies.GetAnswer(j)); | |
| 309 | |
| 310 DicomMap::SetupFindSeriesTemplate(m); | |
| 311 if (!MergeQueryAndTemplate(m, postData)) | |
| 312 { | |
| 313 return false; | |
| 314 } | |
| 80 | 315 m.CopyTagIfExists(studies.GetAnswer(j), DICOM_TAG_PATIENT_ID); |
| 316 m.CopyTagIfExists(studies.GetAnswer(j), DICOM_TAG_STUDY_INSTANCE_UID); | |
| 0 | 317 |
| 318 DicomFindAnswers series; | |
| 319 c.FindSeries(series, m); | |
| 320 | |
| 321 // Loop over the found series | |
| 322 study["Series"] = Json::arrayValue; | |
| 323 for (size_t k = 0; k < series.GetSize(); k++) | |
| 324 { | |
| 325 Json::Value series2(Json::objectValue); | |
| 326 FromDcmtkBridge::ToJson(series2, series.GetAnswer(k)); | |
| 327 study["Series"].append(series2); | |
| 328 } | |
| 329 | |
| 330 patient["Studies"].append(study); | |
| 331 } | |
| 332 | |
| 333 result.append(patient); | |
| 334 } | |
| 335 | |
| 336 return true; | |
| 337 } | |
| 338 | |
| 339 | |
| 340 | |
| 62 | 341 bool OrthancRestApi::DicomStore(Json::Value& result, |
| 50 | 342 DicomUserConnection& c, |
| 343 const std::string& postData) | |
| 0 | 344 { |
| 345 Json::Value found(Json::objectValue); | |
| 346 | |
| 347 if (!Toolbox::IsUuid(postData)) | |
| 348 { | |
| 349 // This is not a UUID, assume this is a DICOM instance | |
| 350 c.Store(postData); | |
| 351 } | |
| 352 else if (index_.GetSeries(found, postData)) | |
| 353 { | |
| 354 // The UUID corresponds to a series | |
| 126 | 355 for (Json::Value::ArrayIndex i = 0; i < found["Instances"].size(); i++) |
| 0 | 356 { |
| 357 std::string uuid = found["Instances"][i].asString(); | |
| 358 Json::Value instance(Json::objectValue); | |
| 359 if (index_.GetInstance(instance, uuid)) | |
| 360 { | |
| 361 std::string content; | |
| 362 storage_.ReadFile(content, instance["FileUuid"].asString()); | |
| 363 c.Store(content); | |
| 364 } | |
| 365 else | |
| 366 { | |
| 367 return false; | |
| 368 } | |
| 369 } | |
| 370 } | |
| 371 else if (index_.GetInstance(found, postData)) | |
| 372 { | |
| 373 // The UUID corresponds to an instance | |
| 374 std::string content; | |
| 375 storage_.ReadFile(content, found["FileUuid"].asString()); | |
| 376 c.Store(content); | |
| 377 } | |
| 378 else | |
| 379 { | |
| 380 return false; | |
| 381 } | |
| 382 | |
| 383 return true; | |
| 384 } | |
| 385 | |
| 386 | |
| 62 | 387 OrthancRestApi::OrthancRestApi(ServerIndex& index, |
| 50 | 388 const std::string& path) : |
| 0 | 389 index_(index), |
| 390 storage_(path) | |
| 391 { | |
| 392 GetListOfDicomModalities(modalities_); | |
| 393 } | |
| 394 | |
| 395 | |
| 62 | 396 void OrthancRestApi::Handle( |
| 0 | 397 HttpOutput& output, |
| 398 const std::string& method, | |
| 399 const UriComponents& uri, | |
| 400 const Arguments& headers, | |
| 207 | 401 const Arguments& getArguments, |
| 0 | 402 const std::string& postData) |
| 403 { | |
| 404 if (uri.size() == 0) | |
| 405 { | |
| 406 if (method == "GET") | |
| 407 { | |
|
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408 output.Redirect("app/explorer.html"); |
| 0 | 409 } |
| 410 else | |
| 411 { | |
| 412 output.SendMethodNotAllowedError("GET"); | |
| 413 } | |
| 414 | |
| 415 return; | |
| 416 } | |
| 417 | |
| 418 bool existingResource = false; | |
| 419 Json::Value result(Json::objectValue); | |
| 420 | |
| 421 | |
| 422 // List all the instances --------------------------------------------------- | |
| 423 | |
| 424 if (uri.size() == 1 && uri[0] == "instances") | |
| 425 { | |
| 426 if (method == "GET") | |
| 427 { | |
| 428 result = Json::Value(Json::arrayValue); | |
| 190 | 429 index_.GetAllUuids(result, ResourceType_Instance); |
| 0 | 430 existingResource = true; |
| 431 } | |
| 432 else if (method == "POST") | |
| 433 { | |
| 434 // Add a new instance to the storage | |
| 435 if (Store(result, postData)) | |
| 436 { | |
| 437 SendJson(output, result); | |
| 438 return; | |
| 439 } | |
| 440 else | |
| 441 { | |
| 62 | 442 output.SendHeader(Orthanc_HttpStatus_415_UnsupportedMediaType); |
| 0 | 443 return; |
| 444 } | |
| 445 } | |
| 446 else | |
| 447 { | |
| 448 output.SendMethodNotAllowedError("GET,POST"); | |
| 449 return; | |
| 450 } | |
| 451 } | |
| 452 | |
| 453 | |
| 454 // List all the patients, studies or series --------------------------------- | |
| 455 | |
| 456 if (uri.size() == 1 && | |
| 457 (uri[0] == "series" || | |
| 458 uri[0] == "studies" || | |
| 459 uri[0] == "patients")) | |
| 460 { | |
| 461 if (method == "GET") | |
| 462 { | |
| 463 result = Json::Value(Json::arrayValue); | |
| 464 | |
| 465 if (uri[0] == "instances") | |
| 190 | 466 index_.GetAllUuids(result, ResourceType_Instance); |
| 0 | 467 else if (uri[0] == "series") |
| 190 | 468 index_.GetAllUuids(result, ResourceType_Series); |
| 0 | 469 else if (uri[0] == "studies") |
| 190 | 470 index_.GetAllUuids(result, ResourceType_Study); |
| 0 | 471 else if (uri[0] == "patients") |
| 190 | 472 index_.GetAllUuids(result, ResourceType_Patient); |
| 0 | 473 |
| 474 existingResource = true; | |
| 475 } | |
| 476 else | |
| 477 { | |
| 478 output.SendMethodNotAllowedError("GET"); | |
| 479 return; | |
| 480 } | |
| 481 } | |
| 482 | |
| 483 | |
| 484 // Information about a single object ---------------------------------------- | |
| 485 | |
| 486 else if (uri.size() == 2 && | |
| 487 (uri[0] == "instances" || | |
| 488 uri[0] == "series" || | |
| 489 uri[0] == "studies" || | |
| 490 uri[0] == "patients")) | |
| 491 { | |
| 492 if (method == "GET") | |
| 493 { | |
| 494 if (uri[0] == "patients") | |
| 495 { | |
| 496 existingResource = index_.GetPatient(result, uri[1]); | |
| 199 | 497 assert(!existingResource || result["Type"] == "Patient"); |
| 0 | 498 } |
| 499 else if (uri[0] == "studies") | |
| 500 { | |
| 501 existingResource = index_.GetStudy(result, uri[1]); | |
| 199 | 502 assert(!existingResource || result["Type"] == "Study"); |
| 0 | 503 } |
| 504 else if (uri[0] == "series") | |
| 505 { | |
| 506 existingResource = index_.GetSeries(result, uri[1]); | |
| 199 | 507 assert(!existingResource || result["Type"] == "Series"); |
| 0 | 508 } |
| 509 else if (uri[0] == "instances") | |
| 510 { | |
| 511 existingResource = index_.GetInstance(result, uri[1]); | |
| 199 | 512 assert(!existingResource || result["Type"] == "Instance"); |
| 0 | 513 } |
| 514 } | |
| 515 else if (method == "DELETE") | |
| 516 { | |
| 517 if (uri[0] == "patients") | |
| 518 { | |
| 519 existingResource = index_.DeletePatient(result, uri[1]); | |
| 520 } | |
| 521 else if (uri[0] == "studies") | |
| 522 { | |
| 523 existingResource = index_.DeleteStudy(result, uri[1]); | |
| 524 } | |
| 525 else if (uri[0] == "series") | |
| 526 { | |
| 527 existingResource = index_.DeleteSeries(result, uri[1]); | |
| 528 } | |
| 529 else if (uri[0] == "instances") | |
| 530 { | |
| 531 existingResource = index_.DeleteInstance(result, uri[1]); | |
| 532 } | |
| 533 | |
| 534 if (existingResource) | |
| 535 { | |
| 536 result["Status"] = "Success"; | |
| 537 } | |
| 538 } | |
| 539 else | |
| 540 { | |
| 541 output.SendMethodNotAllowedError("GET,DELETE"); | |
| 542 return; | |
| 543 } | |
| 544 } | |
| 545 | |
| 546 | |
| 547 // Get the DICOM or the JSON file of one instance --------------------------- | |
| 548 | |
| 549 else if (uri.size() == 3 && | |
| 550 uri[0] == "instances" && | |
| 551 (uri[2] == "file" || | |
|
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552 uri[2] == "tags" || |
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553 uri[2] == "simplified-tags")) |
| 0 | 554 { |
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555 CompressionType compressionType; |
|
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556 std::string fileUuid, contentType, filename; |
| 0 | 557 if (uri[2] == "file") |
| 558 { | |
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559 existingResource = index_.GetFile(fileUuid, compressionType, uri[1], AttachedFileType_Dicom); |
| 0 | 560 contentType = "application/dicom"; |
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561 filename = fileUuid + ".dcm"; |
| 0 | 562 } |
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563 else if (uri[2] == "tags" || |
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564 uri[2] == "simplified-tags") |
| 0 | 565 { |
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566 existingResource = index_.GetFile(fileUuid, compressionType, uri[1], AttachedFileType_Json); |
| 0 | 567 contentType = "application/json"; |
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568 filename = fileUuid + ".json"; |
| 0 | 569 } |
| 570 | |
| 571 if (existingResource) | |
| 572 { | |
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573 if (uri[2] == "simplified-tags") |
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574 { |
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575 Json::Value v; |
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576 SimplifyTags(v, storage_, fileUuid); |
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577 SendJson(output, v); |
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578 return; |
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579 } |
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580 else |
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581 { |
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582 output.AnswerFile(storage_, fileUuid, contentType, filename.c_str()); |
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583 return; |
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584 } |
| 0 | 585 } |
| 586 } | |
| 587 | |
| 588 | |
| 589 else if (uri.size() == 3 && | |
| 590 uri[0] == "instances" && | |
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591 uri[2] == "frames") |
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592 { |
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593 Json::Value instance(Json::objectValue); |
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594 existingResource = index_.GetInstance(instance, uri[1]); |
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595 |
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596 if (existingResource) |
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597 { |
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598 result = Json::arrayValue; |
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599 |
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600 unsigned int numberOfFrames = 1; |
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601 try |
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602 { |
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603 Json::Value tmp = instance["MainDicomTags"]["NumberOfFrames"]; |
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604 numberOfFrames = boost::lexical_cast<unsigned int>(tmp.asString()); |
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605 } |
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606 catch (boost::bad_lexical_cast) |
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607 { |
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608 } |
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609 |
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610 for (unsigned int i = 0; i < numberOfFrames; i++) |
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611 { |
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612 result.append(i); |
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613 } |
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614 } |
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615 } |
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616 |
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617 |
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618 else if (uri[0] == "instances" && |
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619 ((uri.size() == 3 && |
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620 (uri[2] == "preview" || |
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621 uri[2] == "image-uint8" || |
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622 uri[2] == "image-uint16")) || |
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623 (uri.size() == 5 && |
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624 uri[2] == "frames" && |
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625 (uri[4] == "preview" || |
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626 uri[4] == "image-uint8" || |
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627 uri[4] == "image-uint16")))) |
| 0 | 628 { |
| 629 std::string uuid; | |
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630 CompressionType compressionType; |
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631 existingResource = index_.GetFile(uuid, compressionType, uri[1], AttachedFileType_Dicom); |
| 0 | 632 |
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633 std::string action = uri[2]; |
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634 |
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635 unsigned int frame = 0; |
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636 if (existingResource && |
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637 uri.size() == 5) |
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638 { |
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639 // Access to multi-frame image |
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640 action = uri[4]; |
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641 try |
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642 { |
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643 frame = boost::lexical_cast<unsigned int>(uri[3]); |
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644 } |
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645 catch (boost::bad_lexical_cast) |
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646 { |
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647 existingResource = false; |
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648 } |
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649 } |
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650 |
| 0 | 651 if (existingResource) |
| 652 { | |
| 653 std::string dicomContent, png; | |
| 654 storage_.ReadFile(dicomContent, uuid); | |
| 655 try | |
| 656 { | |
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657 if (action == "preview") |
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658 { |
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659 FromDcmtkBridge::ExtractPngImage(png, dicomContent, frame, ImageExtractionMode_Preview); |
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660 } |
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661 else if (action == "image-uint8") |
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662 { |
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663 FromDcmtkBridge::ExtractPngImage(png, dicomContent, frame, ImageExtractionMode_UInt8); |
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664 } |
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665 else if (action == "image-uint16") |
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666 { |
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667 FromDcmtkBridge::ExtractPngImage(png, dicomContent, frame, ImageExtractionMode_UInt16); |
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668 } |
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669 else |
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670 { |
| 62 | 671 throw OrthancException(ErrorCode_InternalError); |
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672 } |
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673 |
| 0 | 674 output.AnswerBufferWithContentType(png, "image/png"); |
| 675 return; | |
| 676 } | |
| 62 | 677 catch (OrthancException&) |
| 0 | 678 { |
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679 std::string root = ""; |
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680 for (size_t i = 1; i < uri.size(); i++) |
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681 { |
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682 root += "../"; |
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683 } |
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684 |
| 129 | 685 output.Redirect(root + "app/images/unsupported.png"); |
| 0 | 686 return; |
| 687 } | |
| 688 } | |
| 689 } | |
| 690 | |
| 691 | |
| 692 // DICOM bridge ------------------------------------------------------------- | |
| 693 | |
| 694 if ((uri.size() == 2 || | |
| 695 uri.size() == 3) && | |
| 696 uri[0] == "modalities") | |
| 697 { | |
| 698 if (modalities_.find(uri[1]) == modalities_.end()) | |
| 699 { | |
| 700 // Unknown modality | |
| 701 } | |
| 702 else if (uri.size() == 2) | |
| 703 { | |
| 704 if (method != "GET") | |
| 705 { | |
| 706 output.SendMethodNotAllowedError("POST"); | |
| 707 return; | |
| 708 } | |
| 709 else | |
| 710 { | |
| 711 existingResource = true; | |
| 712 result = Json::arrayValue; | |
| 713 result.append("find-patient"); | |
| 714 result.append("find-study"); | |
| 715 result.append("find-series"); | |
| 716 result.append("find"); | |
| 717 result.append("store"); | |
| 718 } | |
| 719 } | |
| 720 else if (uri.size() == 3) | |
| 721 { | |
| 722 if (uri[2] != "find-patient" && | |
| 723 uri[2] != "find-study" && | |
| 724 uri[2] != "find-series" && | |
| 725 uri[2] != "find" && | |
| 726 uri[2] != "store") | |
| 727 { | |
| 728 // Unknown request | |
| 729 } | |
| 730 else if (method != "POST") | |
| 731 { | |
| 732 output.SendMethodNotAllowedError("POST"); | |
| 733 return; | |
| 734 } | |
| 735 else | |
| 736 { | |
| 737 DicomUserConnection connection; | |
| 738 ConnectToModality(connection, uri[1]); | |
| 739 existingResource = true; | |
| 740 | |
| 741 if ((uri[2] == "find-patient" && !DicomFindPatient(result, connection, postData)) || | |
| 742 (uri[2] == "find-study" && !DicomFindStudy(result, connection, postData)) || | |
| 743 (uri[2] == "find-series" && !DicomFindSeries(result, connection, postData)) || | |
| 744 (uri[2] == "find" && !DicomFind(result, connection, postData)) || | |
| 745 (uri[2] == "store" && !DicomStore(result, connection, postData))) | |
| 746 { | |
| 62 | 747 output.SendHeader(Orthanc_HttpStatus_400_BadRequest); |
| 0 | 748 return; |
| 749 } | |
| 750 } | |
| 751 } | |
| 752 } | |
| 753 | |
| 754 | |
| 755 if (existingResource) | |
| 756 { | |
| 757 SendJson(output, result); | |
| 758 } | |
| 759 else | |
| 760 { | |
| 62 | 761 output.SendHeader(Orthanc_HttpStatus_404_NotFound); |
| 0 | 762 } |
| 763 } | |
| 764 } |