--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Plugin/AuthorizationParserBase.cpp	Wed Mar 22 16:13:52 2017 +0100
@@ -0,0 +1,151 @@
+/**
+ * Advanced authorization plugin for Orthanc
+ * Copyright (C) 2017 Osimis, Belgium
+ *
+ * This program is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU Affero General Public License
+ * as published by the Free Software Foundation, either version 3 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Affero General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ **/
+
+#include "AuthorizationParserBase.h"
+
+#include "../Resources/Orthanc/Core/OrthancException.h"
+
+namespace OrthancPlugins
+{
+  void AuthorizationParserBase::AddResourceInternal(AccessedResources& target,
+                                                    Orthanc::ResourceType level,
+                                                    const std::string& orthancId)
+  {
+    std::string dicomUid;
+
+    if (resourceHierarchy_->LookupDicomUid(dicomUid, level, orthancId))
+    {
+      target.push_back(AccessedResource(level, orthancId, dicomUid));
+    }
+  }
+    
+
+  void AuthorizationParserBase::AddOrthancInstance(AccessedResources& target,
+                                                   const std::string& orthancId)
+  {
+    std::string patient, study, series;
+    if (!resourceHierarchy_->LookupInstance(patient, study, series, orthancId))
+    {
+      throw Orthanc::OrthancException(Orthanc::ErrorCode_UnknownResource);
+    }
+
+    AddResourceInternal(target, Orthanc::ResourceType_Patient, patient);
+    AddResourceInternal(target, Orthanc::ResourceType_Study, study);
+    AddResourceInternal(target, Orthanc::ResourceType_Series, series);
+    AddResourceInternal(target, Orthanc::ResourceType_Instance, orthancId);
+  }
+
+  
+  void AuthorizationParserBase::AddOrthancSeries(AccessedResources& target,
+                                                 const std::string& orthancId)
+  {
+    std::string patient, study;
+    if (!resourceHierarchy_->LookupSeries(patient, study, orthancId))
+    {
+      throw Orthanc::OrthancException(Orthanc::ErrorCode_UnknownResource);
+    }
+
+    AddResourceInternal(target, Orthanc::ResourceType_Patient, patient);
+    AddResourceInternal(target, Orthanc::ResourceType_Study, study);
+    AddResourceInternal(target, Orthanc::ResourceType_Series, orthancId);
+  }
+
+  
+  void AuthorizationParserBase::AddOrthancStudy(AccessedResources& target,
+                                                const std::string& orthancId)
+  {
+    std::string patient;
+    if (!resourceHierarchy_->LookupStudy(patient, orthancId))
+    {
+      throw Orthanc::OrthancException(Orthanc::ErrorCode_UnknownResource);
+    }
+
+    AddResourceInternal(target, Orthanc::ResourceType_Patient, patient);
+    AddResourceInternal(target, Orthanc::ResourceType_Study, orthancId);
+  }
+
+  
+  void AuthorizationParserBase::AddOrthancPatient(AccessedResources& target,
+                                                  const std::string& orthancId)
+  {
+    AddResourceInternal(target, Orthanc::ResourceType_Patient, orthancId);
+  }
+
+  
+  void AuthorizationParserBase::AddDicomStudy(AccessedResources& target,
+                                              const std::string& studyDicomUid)
+  {
+    std::string patient, study;
+
+    if (!resourceHierarchy_->LookupOrthancId(study, Orthanc::ResourceType_Study, studyDicomUid) ||
+        !resourceHierarchy_->LookupStudy(patient, study))
+    {
+      throw Orthanc::OrthancException(Orthanc::ErrorCode_UnknownResource);
+    }
+
+    AddResourceInternal(target, Orthanc::ResourceType_Patient, patient);
+    target.push_back(AccessedResource(Orthanc::ResourceType_Study, study, studyDicomUid));
+  }
+
+  
+  void AuthorizationParserBase::AddDicomSeries(AccessedResources& target,
+                                               const std::string& studyDicomUid,
+                                               const std::string& seriesDicomUid)
+  {
+    std::string series;
+
+    if (!resourceHierarchy_->LookupOrthancId(series, Orthanc::ResourceType_Series, seriesDicomUid))
+    {
+      throw Orthanc::OrthancException(Orthanc::ErrorCode_UnknownResource);
+    }
+
+    AddDicomStudy(target, studyDicomUid);
+    target.push_back(AccessedResource(Orthanc::ResourceType_Series, series, seriesDicomUid));
+  }
+
+  
+  void AuthorizationParserBase::AddDicomInstance(AccessedResources& target,
+                                                 const std::string& studyDicomUid,
+                                                 const std::string& seriesDicomUid,
+                                                 const std::string& instanceDicomUid)
+  {
+    std::string instance;
+
+    if (!resourceHierarchy_->LookupOrthancId
+        (instance, Orthanc::ResourceType_Instance, instanceDicomUid))
+    {
+      throw Orthanc::OrthancException(Orthanc::ErrorCode_UnknownResource);
+    }
+
+    AddDicomSeries(target, studyDicomUid, seriesDicomUid);
+    target.push_back(AccessedResource(Orthanc::ResourceType_Instance, instance, instanceDicomUid));
+  }
+
+  
+  AuthorizationParserBase::AuthorizationParserBase(OrthancPluginContext* context,
+                                                   ICacheFactory& factory)
+  {
+    resourceHierarchy_.reset(new ResourceHierarchyCache(context, factory));
+
+    if (resourceHierarchy_.get() == NULL)
+    {
+      throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError);
+    }
+  }
+}
+