static void AnonymizeOrModifyInstance(DicomModification& modification,
                                        RestApiPostCall& call)
  {
    std::string id = call.GetUriComponent("id", "");

    ServerContext::DicomCacheLocker locker(OrthancRestApi::GetContext(call), id);

    std::auto_ptr<ParsedDicomFile> modified(locker.GetDicom().Clone());
    modification.Apply(*modified);
    modified->Answer(call.GetOutput());
  }
Esempio n. 2
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  static void ExecuteScript(RestApiPostCall& call)
  {
    std::string result;
    ServerContext& context = OrthancRestApi::GetContext(call);

    std::string command;
    call.BodyToString(command);

    {
      LuaScripting::Locker locker(context.GetLua());
      locker.GetLua().Execute(result, command);
    }

    call.GetOutput().AnswerBuffer(result, "text/plain");
  }
  static bool ParseModifyRequest(DicomModification& target,
                                 const RestApiPostCall& call)
  {
    // curl http://localhost:8042/series/95a6e2bf-9296e2cc-bf614e2f-22b391ee-16e010e0/modify -X POST -d '{"Replace":{"InstitutionName":"My own clinic"}}'

    Json::Value request;
    if (call.ParseJsonRequest(request))
    {
      return OrthancRestApi::ParseModifyRequest(target, request);
    }
    else
    {
      return false;
    }
  }
  static bool ParseAnonymizationRequest(DicomModification& target,
                                        RestApiPostCall& call)
  {
    // curl http://localhost:8042/instances/6e67da51-d119d6ae-c5667437-87b9a8a5-0f07c49f/anonymize -X POST -d '{"Replace":{"PatientName":"hello","0010-0020":"world"},"Keep":["StudyDescription", "SeriesDescription"],"KeepPrivateTags": null,"Remove":["Modality"]}' > Anonymized.dcm

    target.SetupAnonymization();
    std::string patientName = target.GetReplacement(DICOM_TAG_PATIENT_NAME);

    Json::Value request;
    if (call.ParseJsonRequest(request) && request.isObject())
    {
      if (request.isMember("KeepPrivateTags"))
      {
        target.SetRemovePrivateTags(false);
      }

      if (request.isMember("Remove"))
      {
        ParseListOfTags(target, request["Remove"], TagOperation_Remove);
      }

      if (request.isMember("Replace"))
      {
        ParseReplacements(target, request["Replace"]);
      }

      if (request.isMember("Keep"))
      {
        ParseListOfTags(target, request["Keep"], TagOperation_Keep);
      }

      if (target.IsReplaced(DICOM_TAG_PATIENT_NAME) &&
          target.GetReplacement(DICOM_TAG_PATIENT_NAME) == patientName)
      {
        // Overwrite the random Patient's Name by one that is more
        // user-friendly (provided none was specified by the user)
        target.Replace(DICOM_TAG_PATIENT_NAME, GeneratePatientName(OrthancRestApi::GetContext(call)), true);
      }

      return true;
    }
    else
    {
      return false;
    }
  }
  static void CreateDicom(RestApiPostCall& call)
  {
    // curl http://localhost:8042/tools/create-dicom -X POST -d '{"PatientName":"Hello^World"}'
    // curl http://localhost:8042/tools/create-dicom -X POST -d '{"PatientName":"Hello^World","PixelData":"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAAAAAA6mKC9AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3gUGDDcB53FulQAAAElJREFUGNNtj0sSAEEEQ1+U+185s1CtmRkblQ9CZldsKHJDk6DLGLJa6chjh0ooQmpjXMM86zPwydGEj6Ed/UGykkEM8X+p3u8/8LcOJIWLGeMAAAAASUVORK5CYII="}'

    Json::Value replacements;
    if (call.ParseJsonRequest(replacements) && replacements.isObject())
    {
      ParsedDicomFile dicom;

      Json::Value::Members members = replacements.getMemberNames();
      for (size_t i = 0; i < members.size(); i++)
      {
        const std::string& name = members[i];
        std::string value = replacements[name].asString();

        DicomTag tag = FromDcmtkBridge::ParseTag(name);
        if (tag == DICOM_TAG_PIXEL_DATA)
        {
          dicom.EmbedImage(value);
        }
        else
        {
          dicom.Replace(tag, value);
        }
      }

      DicomInstanceToStore toStore;
      toStore.SetParsedDicomFile(dicom);

      std::string id;
      StoreStatus status = OrthancRestApi::GetContext(call).Store(id, toStore);

      if (status == StoreStatus_Failure)
      {
        LOG(ERROR) << "Error while storing a manually-created instance";
        return;
      }

      OrthancRestApi::GetApi(call).AnswerStoredInstance(call, id, status);
    }
  }
  static void AnonymizeOrModifyResource(DicomModification& modification,
                                        MetadataType metadataType,
                                        ChangeType changeType,
                                        ResourceType resourceType,
                                        RestApiPostCall& call)
  {
    bool isFirst = true;
    Json::Value result(Json::objectValue);

    ServerContext& context = OrthancRestApi::GetContext(call);

    typedef std::list<std::string> Instances;
    Instances instances;
    std::string id = call.GetUriComponent("id", "");
    context.GetIndex().GetChildInstances(instances, id);

    if (instances.empty())
    {
      return;
    }


    /**
     * Loop over all the instances of the resource.
     **/

    for (Instances::const_iterator it = instances.begin(); 
         it != instances.end(); ++it)
    {
      LOG(INFO) << "Modifying instance " << *it;

      std::auto_ptr<ServerContext::DicomCacheLocker> locker;

      try
      {
        locker.reset(new ServerContext::DicomCacheLocker(OrthancRestApi::GetContext(call), *it));
      }
      catch (OrthancException&)
      {
        // This child instance has been removed in between
        continue;
      }


      ParsedDicomFile& original = locker->GetDicom();
      DicomInstanceHasher originalHasher = original.GetHasher();


      /**
       * Compute the resulting DICOM instance.
       **/

      std::auto_ptr<ParsedDicomFile> modified(original.Clone());
      modification.Apply(*modified);

      DicomInstanceToStore toStore;
      toStore.SetParsedDicomFile(*modified);


      /**
       * Prepare the metadata information to associate with the
       * resulting DICOM instance (AnonymizedFrom/ModifiedFrom).
       **/

      DicomInstanceHasher modifiedHasher = modified->GetHasher();

      if (originalHasher.HashSeries() != modifiedHasher.HashSeries())
      {
        toStore.AddMetadata(ResourceType_Series, metadataType, originalHasher.HashSeries());
      }

      if (originalHasher.HashStudy() != modifiedHasher.HashStudy())
      {
        toStore.AddMetadata(ResourceType_Study, metadataType, originalHasher.HashStudy());
      }

      if (originalHasher.HashPatient() != modifiedHasher.HashPatient())
      {
        toStore.AddMetadata(ResourceType_Patient, metadataType, originalHasher.HashPatient());
      }

      assert(*it == originalHasher.HashInstance());
      toStore.AddMetadata(ResourceType_Instance, metadataType, *it);


      /**
       * Store the resulting DICOM instance into the Orthanc store.
       **/

      std::string modifiedInstance;
      if (context.Store(modifiedInstance, toStore) != StoreStatus_Success)
      {
        LOG(ERROR) << "Error while storing a modified instance " << *it;
        return;
      }

      // Sanity checks in debug mode
      assert(modifiedInstance == modifiedHasher.HashInstance());


      /**
       * Compute the JSON object that is returned by the REST call.
       **/

      if (isFirst)
      {
        std::string newId;

        switch (resourceType)
        {
          case ResourceType_Series:
            newId = modifiedHasher.HashSeries();
            break;

          case ResourceType_Study:
            newId = modifiedHasher.HashStudy();
            break;

          case ResourceType_Patient:
            newId = modifiedHasher.HashPatient();
            break;

          default:
            throw OrthancException(ErrorCode_InternalError);
        }

        result["Type"] = EnumerationToString(resourceType);
        result["ID"] = newId;
        result["Path"] = GetBasePath(resourceType, newId);
        result["PatientID"] = modifiedHasher.HashPatient();
        isFirst = false;
      }
    }

    call.GetOutput().AnswerJson(result);
  }