public virtual ConditionalObjectAccessPermission FilterUnfitItems(object contextObject)
{
try {
Type objectType = contextObject.GetType();
//IObjectSpace objectSpace = ObjectSpace.FindObjectSpace(contextObject);
IObjectSpace objectSpace = ObjectSpace.FindObjectSpaceByObject(contextObject);
EvaluatorContextDescriptor descriptor = objectSpace != null?objectSpace.GetEvaluatorContextDescriptor(objectType) : new EvaluatorContextDescriptorDefault(objectType);
ConditionalObjectAccessPermission result = new ConditionalObjectAccessPermission();
foreach (ConditionalParticularAccessItem item in AccessItemList)
{
bool itemFits = string.IsNullOrEmpty(item.Condition);
if (!itemFits && item.ObjectType == objectType)
{
LocalizedCriteriaWrapper wrapper = new LocalizedCriteriaWrapper(objectType, item.Condition);
wrapper.UpdateParametersValues(contextObject);
ExpressionEvaluator evaluator = new ExpressionEvaluator(descriptor, wrapper.CriteriaOperator);
itemFits = evaluator.Fit(contextObject);
}
if (itemFits)
{
result.AccessItemList.Add(item);
}
}
return(result);
} catch (Exception ex) {
throw new Exception(ex.ToString());
}
}
public override IPermission Copy()
{
ConditionalObjectAccessPermission result = new ConditionalObjectAccessPermission {
ObjectType = ObjectType
};
foreach (ConditionalParticularAccessItem item in AccessItemList)
{
result.AccessItemList.Add(item);
}
return(result);
}
static ObjectAccessPermission MergeTargetWithConditionalPermission(ObjectAccessPermission targetPermission, SecurityContextList contexts)
{
try {
if (contexts.TargetObjectContext != null && contexts.TargetObjectContext.TargetObject != null)
{
object targetObject = contexts.TargetObjectContext.TargetObject;
ConditionalObjectAccessPermission validatedConditionalPermission = ConditionalPermission.FilterUnfitItems(targetObject);
return((ObjectAccessPermission)validatedConditionalPermission.Union <ObjectAccessPermission>(targetPermission));
}
return(targetPermission);
} catch (Exception ex) {
throw new Exception(ex.ToString());
}
}
