Mercurial > hg > orthanc
annotate OrthancServer/OrthancRestApi.cpp @ 155:93e1b0e3b83a
filenames when downloading json/dicom
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Tue, 23 Oct 2012 15:43:46 +0200 |
| parents | 11e48e70c039 |
| children | da7e915202c7 8e673a65564d |
| 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" | |
| 38 | |
| 39 #include <dcmtk/dcmdata/dcistrmb.h> | |
| 40 #include <dcmtk/dcmdata/dcfilefo.h> | |
| 41 #include <boost/lexical_cast.hpp> | |
| 42 | |
| 62 | 43 namespace Orthanc |
| 0 | 44 { |
| 45 static void SendJson(HttpOutput& output, | |
| 46 const Json::Value& value) | |
| 47 { | |
| 48 Json::StyledWriter writer; | |
| 49 std::string s = writer.write(value); | |
| 50 output.AnswerBufferWithContentType(s, "application/json"); | |
| 51 } | |
| 52 | |
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53 |
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54 static void SimplifyTagsRecursion(Json::Value& target, |
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55 const Json::Value& source) |
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56 { |
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57 assert(source.isObject()); |
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58 |
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59 target = Json::objectValue; |
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60 Json::Value::Members members = source.getMemberNames(); |
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61 |
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62 for (size_t i = 0; i < members.size(); i++) |
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63 { |
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64 const Json::Value& v = source[members[i]]; |
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65 const std::string& name = v["Name"].asString(); |
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66 const std::string& type = v["Type"].asString(); |
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67 |
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68 if (type == "String") |
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69 { |
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70 target[name] = v["Value"].asString(); |
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71 } |
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72 else if (type == "TooLong" || |
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73 type == "Null") |
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74 { |
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75 target[name] = Json::nullValue; |
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76 } |
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77 else if (type == "Sequence") |
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78 { |
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79 const Json::Value& array = v["Value"]; |
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80 assert(array.isArray()); |
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81 |
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82 Json::Value children = Json::arrayValue; |
| 126 | 83 for (Json::Value::ArrayIndex i = 0; i < array.size(); i++) |
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84 { |
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85 Json::Value c; |
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86 SimplifyTagsRecursion(c, array[i]); |
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87 children.append(c); |
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88 } |
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89 |
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90 target[name] = children; |
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91 } |
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92 else |
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93 { |
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94 assert(0); |
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95 } |
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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 static void SimplifyTags(Json::Value& target, |
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101 const FileStorage& storage, |
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102 const std::string& fileUuid) |
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103 { |
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104 std::string s; |
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105 storage.ReadFile(s, fileUuid); |
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106 |
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107 Json::Value source; |
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108 Json::Reader reader; |
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109 if (!reader.parse(s, source)) |
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110 { |
| 62 | 111 throw OrthancException("Corrupted JSON file"); |
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112 } |
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113 |
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114 SimplifyTagsRecursion(target, source); |
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115 } |
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116 |
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117 |
| 62 | 118 bool OrthancRestApi::Store(Json::Value& result, |
| 50 | 119 const std::string& postData) |
| 0 | 120 { |
| 121 // Prepare an input stream for the memory buffer | |
| 122 DcmInputBufferStream is; | |
| 123 if (postData.size() > 0) | |
| 124 { | |
| 125 is.setBuffer(&postData[0], postData.size()); | |
| 126 } | |
| 127 is.setEos(); | |
| 128 | |
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129 //printf("[%d]\n", postData.size()); |
| 0 | 130 |
| 131 DcmFileFormat dicomFile; | |
| 132 if (dicomFile.read(is).good()) | |
| 133 { | |
| 134 DicomMap dicomSummary; | |
| 135 FromDcmtkBridge::Convert(dicomSummary, *dicomFile.getDataset()); | |
| 136 | |
| 137 Json::Value dicomJson; | |
| 138 FromDcmtkBridge::ToJson(dicomJson, *dicomFile.getDataset()); | |
| 139 | |
| 140 std::string instanceUuid; | |
| 141 StoreStatus status = StoreStatus_Failure; | |
| 142 if (postData.size() > 0) | |
| 143 { | |
| 144 status = index_.Store | |
| 145 (instanceUuid, storage_, reinterpret_cast<const char*>(&postData[0]), | |
| 146 postData.size(), dicomSummary, dicomJson, ""); | |
| 147 } | |
| 148 | |
| 149 switch (status) | |
| 150 { | |
| 151 case StoreStatus_Success: | |
| 152 result["ID"] = instanceUuid; | |
| 153 result["Path"] = "/instances/" + instanceUuid; | |
| 154 result["Status"] = "Success"; | |
| 155 return true; | |
| 156 | |
| 157 case StoreStatus_AlreadyStored: | |
| 158 result["ID"] = instanceUuid; | |
| 159 result["Path"] = "/instances/" + instanceUuid; | |
| 160 result["Status"] = "AlreadyStored"; | |
| 161 return true; | |
| 162 | |
| 163 default: | |
| 164 return false; | |
| 165 } | |
| 166 } | |
| 167 | |
| 168 return false; | |
| 169 } | |
| 170 | |
| 62 | 171 void OrthancRestApi::ConnectToModality(DicomUserConnection& c, |
| 50 | 172 const std::string& name) |
| 0 | 173 { |
| 174 std::string aet, address; | |
| 175 int port; | |
| 176 GetDicomModality(name, aet, address, port); | |
| 62 | 177 c.SetLocalApplicationEntityTitle(GetGlobalStringParameter("DicomAet", "ORTHANC")); |
| 0 | 178 c.SetDistantApplicationEntityTitle(aet); |
| 179 c.SetDistantHost(address); | |
| 180 c.SetDistantPort(port); | |
| 181 c.Open(); | |
| 182 } | |
| 183 | |
| 62 | 184 bool OrthancRestApi::MergeQueryAndTemplate(DicomMap& result, |
| 50 | 185 const std::string& postData) |
| 0 | 186 { |
| 187 Json::Value query; | |
| 188 Json::Reader reader; | |
| 189 | |
| 190 if (!reader.parse(postData, query) || | |
| 8 | 191 query.type() != Json::objectValue) |
| 0 | 192 { |
| 193 return false; | |
| 194 } | |
| 195 | |
| 196 Json::Value::Members members = query.getMemberNames(); | |
| 197 for (size_t i = 0; i < members.size(); i++) | |
| 198 { | |
| 199 DicomTag t = FromDcmtkBridge::FindTag(members[i]); | |
| 200 result.SetValue(t, query[members[i]].asString()); | |
| 201 } | |
| 202 | |
| 203 return true; | |
| 204 } | |
| 205 | |
| 62 | 206 bool OrthancRestApi::DicomFindPatient(Json::Value& result, |
| 50 | 207 DicomUserConnection& c, |
| 208 const std::string& postData) | |
| 0 | 209 { |
| 210 DicomMap m; | |
| 211 DicomMap::SetupFindPatientTemplate(m); | |
| 212 if (!MergeQueryAndTemplate(m, postData)) | |
| 213 { | |
| 214 return false; | |
| 215 } | |
| 216 | |
| 217 DicomFindAnswers answers; | |
| 218 c.FindPatient(answers, m); | |
| 219 answers.ToJson(result); | |
| 220 return true; | |
| 221 } | |
| 222 | |
| 62 | 223 bool OrthancRestApi::DicomFindStudy(Json::Value& result, |
| 50 | 224 DicomUserConnection& c, |
| 225 const std::string& postData) | |
| 0 | 226 { |
| 227 DicomMap m; | |
| 228 DicomMap::SetupFindStudyTemplate(m); | |
| 229 if (!MergeQueryAndTemplate(m, postData)) | |
| 230 { | |
| 231 return false; | |
| 232 } | |
| 233 | |
| 80 | 234 if (m.GetValue(DICOM_TAG_ACCESSION_NUMBER).AsString().size() <= 2 && |
| 235 m.GetValue(DICOM_TAG_PATIENT_ID).AsString().size() <= 2) | |
| 0 | 236 { |
| 237 return false; | |
| 238 } | |
| 239 | |
| 240 DicomFindAnswers answers; | |
| 241 c.FindStudy(answers, m); | |
| 242 answers.ToJson(result); | |
| 243 return true; | |
| 244 } | |
| 245 | |
| 62 | 246 bool OrthancRestApi::DicomFindSeries(Json::Value& result, |
| 50 | 247 DicomUserConnection& c, |
| 248 const std::string& postData) | |
| 0 | 249 { |
| 250 DicomMap m; | |
| 251 DicomMap::SetupFindSeriesTemplate(m); | |
| 252 if (!MergeQueryAndTemplate(m, postData)) | |
| 253 { | |
| 254 return false; | |
| 255 } | |
| 256 | |
| 80 | 257 if ((m.GetValue(DICOM_TAG_ACCESSION_NUMBER).AsString().size() <= 2 && |
| 258 m.GetValue(DICOM_TAG_PATIENT_ID).AsString().size() <= 2) || | |
| 259 m.GetValue(DICOM_TAG_STUDY_INSTANCE_UID).AsString().size() <= 2) | |
| 0 | 260 { |
| 261 return false; | |
| 262 } | |
| 263 | |
| 264 DicomFindAnswers answers; | |
| 265 c.FindSeries(answers, m); | |
| 266 answers.ToJson(result); | |
| 267 return true; | |
| 268 } | |
| 269 | |
| 62 | 270 bool OrthancRestApi::DicomFind(Json::Value& result, |
| 50 | 271 DicomUserConnection& c, |
| 272 const std::string& postData) | |
| 0 | 273 { |
| 274 DicomMap m; | |
| 275 DicomMap::SetupFindPatientTemplate(m); | |
| 276 if (!MergeQueryAndTemplate(m, postData)) | |
| 277 { | |
| 278 return false; | |
| 279 } | |
| 280 | |
| 281 DicomFindAnswers patients; | |
| 282 c.FindPatient(patients, m); | |
| 283 | |
| 284 // Loop over the found patients | |
| 285 result = Json::arrayValue; | |
| 286 for (size_t i = 0; i < patients.GetSize(); i++) | |
| 287 { | |
| 288 Json::Value patient(Json::objectValue); | |
| 289 FromDcmtkBridge::ToJson(patient, patients.GetAnswer(i)); | |
| 290 | |
| 291 DicomMap::SetupFindStudyTemplate(m); | |
| 292 if (!MergeQueryAndTemplate(m, postData)) | |
| 293 { | |
| 294 return false; | |
| 295 } | |
| 80 | 296 m.CopyTagIfExists(patients.GetAnswer(i), DICOM_TAG_PATIENT_ID); |
| 0 | 297 |
| 298 DicomFindAnswers studies; | |
| 299 c.FindStudy(studies, m); | |
| 300 | |
| 301 patient["Studies"] = Json::arrayValue; | |
| 302 | |
| 303 // Loop over the found studies | |
| 304 for (size_t j = 0; j < studies.GetSize(); j++) | |
| 305 { | |
| 306 Json::Value study(Json::objectValue); | |
| 307 FromDcmtkBridge::ToJson(study, studies.GetAnswer(j)); | |
| 308 | |
| 309 DicomMap::SetupFindSeriesTemplate(m); | |
| 310 if (!MergeQueryAndTemplate(m, postData)) | |
| 311 { | |
| 312 return false; | |
| 313 } | |
| 80 | 314 m.CopyTagIfExists(studies.GetAnswer(j), DICOM_TAG_PATIENT_ID); |
| 315 m.CopyTagIfExists(studies.GetAnswer(j), DICOM_TAG_STUDY_INSTANCE_UID); | |
| 0 | 316 |
| 317 DicomFindAnswers series; | |
| 318 c.FindSeries(series, m); | |
| 319 | |
| 320 // Loop over the found series | |
| 321 study["Series"] = Json::arrayValue; | |
| 322 for (size_t k = 0; k < series.GetSize(); k++) | |
| 323 { | |
| 324 Json::Value series2(Json::objectValue); | |
| 325 FromDcmtkBridge::ToJson(series2, series.GetAnswer(k)); | |
| 326 study["Series"].append(series2); | |
| 327 } | |
| 328 | |
| 329 patient["Studies"].append(study); | |
| 330 } | |
| 331 | |
| 332 result.append(patient); | |
| 333 } | |
| 334 | |
| 335 return true; | |
| 336 } | |
| 337 | |
| 338 | |
| 339 | |
| 62 | 340 bool OrthancRestApi::DicomStore(Json::Value& result, |
| 50 | 341 DicomUserConnection& c, |
| 342 const std::string& postData) | |
| 0 | 343 { |
| 344 Json::Value found(Json::objectValue); | |
| 345 | |
| 346 if (!Toolbox::IsUuid(postData)) | |
| 347 { | |
| 348 // This is not a UUID, assume this is a DICOM instance | |
| 349 c.Store(postData); | |
| 350 } | |
| 351 else if (index_.GetSeries(found, postData)) | |
| 352 { | |
| 353 // The UUID corresponds to a series | |
| 126 | 354 for (Json::Value::ArrayIndex i = 0; i < found["Instances"].size(); i++) |
| 0 | 355 { |
| 356 std::string uuid = found["Instances"][i].asString(); | |
| 357 Json::Value instance(Json::objectValue); | |
| 358 if (index_.GetInstance(instance, uuid)) | |
| 359 { | |
| 360 std::string content; | |
| 361 storage_.ReadFile(content, instance["FileUuid"].asString()); | |
| 362 c.Store(content); | |
| 363 } | |
| 364 else | |
| 365 { | |
| 366 return false; | |
| 367 } | |
| 368 } | |
| 369 } | |
| 370 else if (index_.GetInstance(found, postData)) | |
| 371 { | |
| 372 // The UUID corresponds to an instance | |
| 373 std::string content; | |
| 374 storage_.ReadFile(content, found["FileUuid"].asString()); | |
| 375 c.Store(content); | |
| 376 } | |
| 377 else | |
| 378 { | |
| 379 return false; | |
| 380 } | |
| 381 | |
| 382 return true; | |
| 383 } | |
| 384 | |
| 385 | |
| 62 | 386 OrthancRestApi::OrthancRestApi(ServerIndex& index, |
| 50 | 387 const std::string& path) : |
| 0 | 388 index_(index), |
| 389 storage_(path) | |
| 390 { | |
| 391 GetListOfDicomModalities(modalities_); | |
| 392 } | |
| 393 | |
| 394 | |
| 62 | 395 void OrthancRestApi::Handle( |
| 0 | 396 HttpOutput& output, |
| 397 const std::string& method, | |
| 398 const UriComponents& uri, | |
| 399 const Arguments& headers, | |
| 400 const Arguments& arguments, | |
| 401 const std::string& postData) | |
| 402 { | |
| 403 if (uri.size() == 0) | |
| 404 { | |
| 405 if (method == "GET") | |
| 406 { | |
|
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407 output.Redirect("app/explorer.html"); |
| 0 | 408 } |
| 409 else | |
| 410 { | |
| 411 output.SendMethodNotAllowedError("GET"); | |
| 412 } | |
| 413 | |
| 414 return; | |
| 415 } | |
| 416 | |
| 417 bool existingResource = false; | |
| 418 Json::Value result(Json::objectValue); | |
| 419 | |
| 420 | |
| 151 | 421 // Version information ------------------------------------------------------ |
| 422 | |
| 423 if (uri.size() == 1 && uri[0] == "system") | |
| 424 { | |
| 425 if (method == "GET") | |
| 426 { | |
| 427 result = Json::Value(Json::objectValue); | |
| 428 result["Version"] = ORTHANC_VERSION; | |
| 429 result["Name"] = GetGlobalStringParameter("Name", ""); | |
| 430 existingResource = true; | |
| 431 } | |
| 432 else | |
| 433 { | |
| 434 output.SendMethodNotAllowedError("GET,POST"); | |
| 435 return; | |
| 436 } | |
| 437 } | |
| 438 | |
| 439 | |
| 0 | 440 // List all the instances --------------------------------------------------- |
| 441 | |
| 442 if (uri.size() == 1 && uri[0] == "instances") | |
| 443 { | |
| 444 if (method == "GET") | |
| 445 { | |
| 446 result = Json::Value(Json::arrayValue); | |
| 447 index_.GetAllUuids(result, "Instances"); | |
| 448 existingResource = true; | |
| 449 } | |
| 450 else if (method == "POST") | |
| 451 { | |
| 452 // Add a new instance to the storage | |
| 453 if (Store(result, postData)) | |
| 454 { | |
| 455 SendJson(output, result); | |
| 456 return; | |
| 457 } | |
| 458 else | |
| 459 { | |
| 62 | 460 output.SendHeader(Orthanc_HttpStatus_415_UnsupportedMediaType); |
| 0 | 461 return; |
| 462 } | |
| 463 } | |
| 464 else | |
| 465 { | |
| 466 output.SendMethodNotAllowedError("GET,POST"); | |
| 467 return; | |
| 468 } | |
| 469 } | |
| 470 | |
| 471 | |
| 472 // List all the patients, studies or series --------------------------------- | |
| 473 | |
| 474 if (uri.size() == 1 && | |
| 475 (uri[0] == "series" || | |
| 476 uri[0] == "studies" || | |
| 477 uri[0] == "patients")) | |
| 478 { | |
| 479 if (method == "GET") | |
| 480 { | |
| 481 result = Json::Value(Json::arrayValue); | |
| 482 | |
| 483 if (uri[0] == "instances") | |
| 484 index_.GetAllUuids(result, "Instances"); | |
| 485 else if (uri[0] == "series") | |
| 486 index_.GetAllUuids(result, "Series"); | |
| 487 else if (uri[0] == "studies") | |
| 488 index_.GetAllUuids(result, "Studies"); | |
| 489 else if (uri[0] == "patients") | |
| 490 index_.GetAllUuids(result, "Patients"); | |
| 491 | |
| 492 existingResource = true; | |
| 493 } | |
| 494 else | |
| 495 { | |
| 496 output.SendMethodNotAllowedError("GET"); | |
| 497 return; | |
| 498 } | |
| 499 } | |
| 500 | |
| 501 | |
| 502 // Information about a single object ---------------------------------------- | |
| 503 | |
| 504 else if (uri.size() == 2 && | |
| 505 (uri[0] == "instances" || | |
| 506 uri[0] == "series" || | |
| 507 uri[0] == "studies" || | |
| 508 uri[0] == "patients")) | |
| 509 { | |
| 510 if (method == "GET") | |
| 511 { | |
| 512 if (uri[0] == "patients") | |
| 513 { | |
| 514 existingResource = index_.GetPatient(result, uri[1]); | |
| 515 } | |
| 516 else if (uri[0] == "studies") | |
| 517 { | |
| 518 existingResource = index_.GetStudy(result, uri[1]); | |
| 519 } | |
| 520 else if (uri[0] == "series") | |
| 521 { | |
| 522 existingResource = index_.GetSeries(result, uri[1]); | |
| 523 } | |
| 524 else if (uri[0] == "instances") | |
| 525 { | |
| 526 existingResource = index_.GetInstance(result, uri[1]); | |
| 527 } | |
| 528 } | |
| 529 else if (method == "DELETE") | |
| 530 { | |
| 531 if (uri[0] == "patients") | |
| 532 { | |
| 533 existingResource = index_.DeletePatient(result, uri[1]); | |
| 534 } | |
| 535 else if (uri[0] == "studies") | |
| 536 { | |
| 537 existingResource = index_.DeleteStudy(result, uri[1]); | |
| 538 } | |
| 539 else if (uri[0] == "series") | |
| 540 { | |
| 541 existingResource = index_.DeleteSeries(result, uri[1]); | |
| 542 } | |
| 543 else if (uri[0] == "instances") | |
| 544 { | |
| 545 existingResource = index_.DeleteInstance(result, uri[1]); | |
| 546 } | |
| 547 | |
| 548 if (existingResource) | |
| 549 { | |
| 550 result["Status"] = "Success"; | |
| 551 } | |
| 552 } | |
| 553 else | |
| 554 { | |
| 555 output.SendMethodNotAllowedError("GET,DELETE"); | |
| 556 return; | |
| 557 } | |
| 558 } | |
| 559 | |
| 560 | |
| 561 // Get the DICOM or the JSON file of one instance --------------------------- | |
| 562 | |
| 563 else if (uri.size() == 3 && | |
| 564 uri[0] == "instances" && | |
| 565 (uri[2] == "file" || | |
|
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566 uri[2] == "tags" || |
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567 uri[2] == "simplified-tags")) |
| 0 | 568 { |
|
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569 std::string fileUuid, contentType, filename; |
| 0 | 570 if (uri[2] == "file") |
| 571 { | |
| 572 existingResource = index_.GetDicomFile(fileUuid, uri[1]); | |
| 573 contentType = "application/dicom"; | |
|
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574 filename = fileUuid + ".dcm"; |
| 0 | 575 } |
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576 else if (uri[2] == "tags" || |
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577 uri[2] == "simplified-tags") |
| 0 | 578 { |
| 579 existingResource = index_.GetJsonFile(fileUuid, uri[1]); | |
| 580 contentType = "application/json"; | |
|
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581 filename = fileUuid + ".json"; |
| 0 | 582 } |
| 583 | |
| 584 if (existingResource) | |
| 585 { | |
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586 if (uri[2] == "simplified-tags") |
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587 { |
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588 Json::Value v; |
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589 SimplifyTags(v, storage_, fileUuid); |
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590 SendJson(output, v); |
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591 return; |
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592 } |
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593 else |
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594 { |
|
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595 output.AnswerFile(storage_, fileUuid, contentType, filename.c_str()); |
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596 return; |
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597 } |
| 0 | 598 } |
| 599 } | |
| 600 | |
| 601 | |
| 602 else if (uri.size() == 3 && | |
| 603 uri[0] == "instances" && | |
|
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604 uri[2] == "frames") |
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605 { |
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606 Json::Value instance(Json::objectValue); |
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607 existingResource = index_.GetInstance(instance, uri[1]); |
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608 |
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609 if (existingResource) |
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610 { |
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611 result = Json::arrayValue; |
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612 |
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613 unsigned int numberOfFrames = 1; |
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614 try |
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615 { |
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616 Json::Value tmp = instance["MainDicomTags"]["NumberOfFrames"]; |
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617 numberOfFrames = boost::lexical_cast<unsigned int>(tmp.asString()); |
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618 } |
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619 catch (boost::bad_lexical_cast) |
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620 { |
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621 } |
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622 |
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623 for (unsigned int i = 0; i < numberOfFrames; i++) |
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624 { |
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625 result.append(i); |
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626 } |
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627 } |
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628 } |
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629 |
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630 |
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631 else if (uri[0] == "instances" && |
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632 ((uri.size() == 3 && |
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633 (uri[2] == "preview" || |
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634 uri[2] == "image-uint8" || |
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635 uri[2] == "image-uint16")) || |
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636 (uri.size() == 5 && |
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637 uri[2] == "frames" && |
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638 (uri[4] == "preview" || |
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639 uri[4] == "image-uint8" || |
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640 uri[4] == "image-uint16")))) |
| 0 | 641 { |
| 642 std::string uuid; | |
| 643 existingResource = index_.GetDicomFile(uuid, uri[1]); | |
| 644 | |
|
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645 std::string action = uri[2]; |
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646 |
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647 unsigned int frame = 0; |
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648 if (existingResource && |
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649 uri.size() == 5) |
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650 { |
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651 // Access to multi-frame image |
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652 action = uri[4]; |
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653 try |
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654 { |
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655 frame = boost::lexical_cast<unsigned int>(uri[3]); |
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656 } |
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657 catch (boost::bad_lexical_cast) |
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658 { |
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659 existingResource = false; |
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660 } |
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661 } |
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662 |
| 0 | 663 if (existingResource) |
| 664 { | |
| 665 std::string dicomContent, png; | |
| 666 storage_.ReadFile(dicomContent, uuid); | |
| 667 try | |
| 668 { | |
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669 if (action == "preview") |
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670 { |
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671 FromDcmtkBridge::ExtractPngImage(png, dicomContent, frame, ImageExtractionMode_Preview); |
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672 } |
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673 else if (action == "image-uint8") |
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674 { |
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675 FromDcmtkBridge::ExtractPngImage(png, dicomContent, frame, ImageExtractionMode_UInt8); |
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676 } |
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677 else if (action == "image-uint16") |
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678 { |
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679 FromDcmtkBridge::ExtractPngImage(png, dicomContent, frame, ImageExtractionMode_UInt16); |
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680 } |
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681 else |
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682 { |
| 62 | 683 throw OrthancException(ErrorCode_InternalError); |
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684 } |
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685 |
| 0 | 686 output.AnswerBufferWithContentType(png, "image/png"); |
| 687 return; | |
| 688 } | |
| 62 | 689 catch (OrthancException&) |
| 0 | 690 { |
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691 std::string root = ""; |
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692 for (size_t i = 1; i < uri.size(); i++) |
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693 { |
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694 root += "../"; |
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695 } |
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696 |
| 129 | 697 output.Redirect(root + "app/images/unsupported.png"); |
| 0 | 698 return; |
| 699 } | |
| 700 } | |
| 701 } | |
| 702 | |
| 703 | |
| 704 | |
| 705 // Changes API -------------------------------------------------------------- | |
| 706 | |
| 707 if (uri.size() == 1 && uri[0] == "changes") | |
| 708 { | |
| 709 if (method == "GET") | |
| 710 { | |
| 711 const static unsigned int MAX_RESULTS = 100; | |
| 712 | |
| 713 std::string filter = GetArgument(arguments, "filter", ""); | |
| 714 int64_t since; | |
| 715 unsigned int limit; | |
| 716 try | |
| 717 { | |
| 718 since = boost::lexical_cast<int64_t>(GetArgument(arguments, "since", "0")); | |
| 719 limit = boost::lexical_cast<unsigned int>(GetArgument(arguments, "limit", "0")); | |
| 720 } | |
| 721 catch (boost::bad_lexical_cast) | |
| 722 { | |
| 62 | 723 output.SendHeader(Orthanc_HttpStatus_400_BadRequest); |
| 0 | 724 return; |
| 725 } | |
| 726 | |
| 727 if (limit == 0 || limit > MAX_RESULTS) | |
| 728 { | |
| 729 limit = MAX_RESULTS; | |
| 730 } | |
| 731 | |
| 732 if (!index_.GetChanges(result, since, filter, limit)) | |
| 733 { | |
| 62 | 734 output.SendHeader(Orthanc_HttpStatus_400_BadRequest); |
| 0 | 735 return; |
| 736 } | |
| 737 | |
| 738 existingResource = true; | |
| 739 } | |
| 740 else | |
| 741 { | |
| 742 output.SendMethodNotAllowedError("GET"); | |
| 743 return; | |
| 744 } | |
| 745 } | |
| 746 | |
| 747 | |
| 748 // DICOM bridge ------------------------------------------------------------- | |
| 749 | |
| 750 if (uri.size() == 1 && | |
| 751 uri[0] == "modalities") | |
| 752 { | |
| 753 if (method == "GET") | |
| 754 { | |
| 755 result = Json::Value(Json::arrayValue); | |
| 756 existingResource = true; | |
| 757 | |
| 758 for (Modalities::const_iterator it = modalities_.begin(); | |
| 759 it != modalities_.end(); it++) | |
| 760 { | |
| 761 result.append(*it); | |
| 762 } | |
| 763 } | |
| 764 else | |
| 765 { | |
| 766 output.SendMethodNotAllowedError("GET"); | |
| 767 return; | |
| 768 } | |
| 769 } | |
| 770 | |
| 771 if ((uri.size() == 2 || | |
| 772 uri.size() == 3) && | |
| 773 uri[0] == "modalities") | |
| 774 { | |
| 775 if (modalities_.find(uri[1]) == modalities_.end()) | |
| 776 { | |
| 777 // Unknown modality | |
| 778 } | |
| 779 else if (uri.size() == 2) | |
| 780 { | |
| 781 if (method != "GET") | |
| 782 { | |
| 783 output.SendMethodNotAllowedError("POST"); | |
| 784 return; | |
| 785 } | |
| 786 else | |
| 787 { | |
| 788 existingResource = true; | |
| 789 result = Json::arrayValue; | |
| 790 result.append("find-patient"); | |
| 791 result.append("find-study"); | |
| 792 result.append("find-series"); | |
| 793 result.append("find"); | |
| 794 result.append("store"); | |
| 795 } | |
| 796 } | |
| 797 else if (uri.size() == 3) | |
| 798 { | |
| 799 if (uri[2] != "find-patient" && | |
| 800 uri[2] != "find-study" && | |
| 801 uri[2] != "find-series" && | |
| 802 uri[2] != "find" && | |
| 803 uri[2] != "store") | |
| 804 { | |
| 805 // Unknown request | |
| 806 } | |
| 807 else if (method != "POST") | |
| 808 { | |
| 809 output.SendMethodNotAllowedError("POST"); | |
| 810 return; | |
| 811 } | |
| 812 else | |
| 813 { | |
| 814 DicomUserConnection connection; | |
| 815 ConnectToModality(connection, uri[1]); | |
| 816 existingResource = true; | |
| 817 | |
| 818 if ((uri[2] == "find-patient" && !DicomFindPatient(result, connection, postData)) || | |
| 819 (uri[2] == "find-study" && !DicomFindStudy(result, connection, postData)) || | |
| 820 (uri[2] == "find-series" && !DicomFindSeries(result, connection, postData)) || | |
| 821 (uri[2] == "find" && !DicomFind(result, connection, postData)) || | |
| 822 (uri[2] == "store" && !DicomStore(result, connection, postData))) | |
| 823 { | |
| 62 | 824 output.SendHeader(Orthanc_HttpStatus_400_BadRequest); |
| 0 | 825 return; |
| 826 } | |
| 827 } | |
| 828 } | |
| 829 } | |
| 830 | |
| 831 | |
| 832 if (existingResource) | |
| 833 { | |
| 834 SendJson(output, result); | |
| 835 } | |
| 836 else | |
| 837 { | |
| 62 | 838 output.SendHeader(Orthanc_HttpStatus_404_NotFound); |
| 0 | 839 } |
| 840 } | |
| 841 } |