private IEnumerable <SecurityObjectBuilder> PrepareAddedObjects(IEnumerable <EntityEntry> entitiesEntry)
{
List <SecurityObjectBuilder> securityObjectBuilders = new List <SecurityObjectBuilder>();
foreach (EntityEntry entityEntry in entitiesEntry)
{
SecurityObjectBuilder securityObjectMetaData = securityObjectRepository.GetObjectMetaData(entityEntry.Entity);
if (securityObjectMetaData == null)
{
securityObjectMetaData = new SecurityObjectBuilder();
securityObjectMetaData.SecurityObject = entityEntry.Entity;
securityObjectRepository.RegisterBuilder(securityObjectMetaData);
securityObjectMetaData.CreateRealObject(securityDbContext.Model, securityObjectRepository);
}
securityObjectBuilders.Add(securityObjectMetaData);
}
return(securityObjectBuilders);
}
private IList <BlockedObjectInfo> CheckModificationObjects(IEnumerable <ModifiedObjectMetadata> modifyObjectsMetada)
{
List <BlockedObjectInfo> blockedList = new List <BlockedObjectInfo>();
foreach (ModifiedObjectMetadata modifyObjectMetada in modifyObjectsMetada)
{
SecurityObjectBuilder securityObjectMetaData = securityObjectRepository.GetObjectMetaData(modifyObjectMetada.Object);
Type targetType = securityObjectMetaData.RealObject.GetType();
foreach (string memberName in modifyObjectMetada.Properties.Keys)
{
blockedList.AddRange(CheckModificationObjects(securityObjectMetaData, targetType, memberName));
}
foreach (string memberName in modifyObjectMetada.NavigationProperties)
{
blockedList.AddRange(CheckModificationObjects(securityObjectMetaData, targetType, memberName));
}
}
return(blockedList);
}
public object CreateRealObject(IModel model, ISecurityObjectRepository securityObjectRepository)
{
Type targetType = SecurityObject.GetType();
RealObject = Activator.CreateInstance(SecurityObject.GetType());
IEntityType entityType = model.FindEntityType(targetType);
IEnumerable <PropertyInfo> properiesInfo = targetType.GetRuntimeProperties();
IEnumerable <INavigation> navigations = entityType.GetNavigations();
IReadOnlyList <IProperty> primaryKeyProperties = entityType.FindPrimaryKey().Properties;
foreach (PropertyInfo propertyInfo in properiesInfo)
{
object defaultValue = propertyInfo.GetValue(RealObject);
defaultValueDictionary[propertyInfo.Name] = defaultValue;
if (navigations.Any(p => p.Name == propertyInfo.Name))
{
INavigation navigation = navigations.First(p => p.Name == propertyInfo.Name);
if (navigation.IsCollection())
{
IClrCollectionAccessor collectionAccessor = navigation.GetCollectionAccessor();
IEnumerable realObjectListPropertyValue = (IEnumerable)propertyInfo.GetValue(RealObject);
IEnumerable securityObjectListPropertyValue = (IEnumerable)propertyInfo.GetValue(SecurityObject);
if (securityObjectListPropertyValue != null && realObjectListPropertyValue != null)
{
foreach (object objectInListProperty in securityObjectListPropertyValue)
{
SecurityObjectBuilder metadata = securityObjectRepository.GetObjectMetaData(objectInListProperty);
if (metadata == null)
{
metadata = new SecurityObjectBuilder();
securityObjectRepository.RegisterBuilder(metadata);
metadata.SecurityObject = objectInListProperty;
metadata.CreateRealObject(model, securityObjectRepository);
}
collectionAccessor.Add(RealObject, metadata.RealObject);
}
}
}
else
{
object realValue = propertyInfo.GetValue(SecurityObject);
if (!Equals(realValue, null))
{
SecurityObjectBuilder metadata = securityObjectRepository.GetObjectMetaData(realValue);
if (metadata == null)
{
metadata = new SecurityObjectBuilder();
securityObjectRepository.RegisterBuilder(metadata);
metadata.SecurityObject = realValue;
metadata.CreateRealObject(model, securityObjectRepository);
}
if (propertyInfo.SetMethod != null)
{
propertyInfo.SetValue(RealObject, metadata.RealObject);
}
}
}
}
else
{
bool isGeneratedPrimaryKey = false;
foreach (IProperty primaryKeyProperty in primaryKeyProperties)
{
if ((propertyInfo.Name == primaryKeyProperty.Name) && primaryKeyProperty.RequiresValueGenerator)
{
isGeneratedPrimaryKey = true;
}
}
if (propertyInfo.SetMethod != null && !isGeneratedPrimaryKey)
{
object securityValue = propertyInfo.GetValue(SecurityObject);
propertyInfo.SetValue(RealObject, securityValue);
}
}
}
return(RealObject);
}
public object CreateSecurityObject(IModel model, ISecurityObjectRepository securityObjectRepository)
{
Type targetType = RealObject.GetType();
SecurityObject = Activator.CreateInstance(RealObject.GetType());
IEntityType entityType = model.FindEntityType(targetType);
IEnumerable <PropertyInfo> propertiesInfo = targetType.GetRuntimeProperties();
IEnumerable <INavigation> navigations = entityType.GetNavigations();
foreach (PropertyInfo propertyInfo in propertiesInfo)
{
object defaultValue = propertyInfo.GetValue(SecurityObject);
defaultValueDictionary[propertyInfo.Name] = defaultValue;
if (this.IsPropertyBlocked(propertyInfo.Name))
{
if (navigations.Any(p => p.Name == propertyInfo.Name))
{
INavigation navigation = navigations.First(p => p.Name == propertyInfo.Name);
if (navigation.IsCollection())
{
if (propertyInfo.SetMethod != null)
{
propertyInfo.SetValue(SecurityObject, null);
}
}
}
continue;
}
if (navigations.Any(p => p.Name == propertyInfo.Name))
{
INavigation navigation = navigations.First(p => p.Name == propertyInfo.Name);
if (navigation.IsCollection())
{
IClrCollectionAccessor collectionAccessor = navigation.GetCollectionAccessor();
IEnumerable objectRealListProperty = (IEnumerable)propertyInfo.GetValue(RealObject);
IEnumerable objectSecurityListProperty = (IEnumerable)propertyInfo.GetValue(SecurityObject);
List <object> denyObject;
BlockedObjectsInListProperty.TryGetValue(propertyInfo.Name, out denyObject);
if (objectRealListProperty != null)
{
foreach (object objInList in objectRealListProperty)
{
if (denyObject != null && denyObject.Contains(objInList))
{
continue;
}
object objectToAdd;
SecurityObjectBuilder metadata = securityObjectRepository.GetObjectMetaData(objInList);
if (metadata != null)
{
if (metadata.SecurityObject != null)
{
objectToAdd = metadata.SecurityObject;
}
else
{
objectToAdd = metadata.CreateSecurityObject(model, securityObjectRepository);
}
}
else
{
throw new Exception();
}
collectionAccessor.Add(SecurityObject, objectToAdd);
}
}
}
else
{
object realValue = propertyInfo.GetValue(RealObject);
SecurityObjectBuilder metadata = securityObjectRepository.GetObjectMetaData(realValue);
if (metadata != null && realValue != null)
{
if (metadata.SecurityObject == null)
{
metadata.SecurityObject = metadata.CreateSecurityObject(model, securityObjectRepository);
}
if (propertyInfo.SetMethod != null)
{
propertyInfo.SetValue(SecurityObject, metadata.SecurityObject);
}
}
else
{
if (propertyInfo.SetMethod != null)
{
propertyInfo.SetValue(SecurityObject, realValue);
}
}
}
}
else
{
if (propertyInfo.SetMethod != null)
{
object realValue = propertyInfo.GetValue(RealObject);
propertyInfo.SetValue(SecurityObject, realValue);
}
}
}
foreach (PropertyInfo propertyInfo in propertiesInfo)
{
object originalValue = propertyInfo.GetValue(SecurityObject);
originalValueSecurityObjectDictionary.Add(propertyInfo.Name, originalValue);
}
if (SecurityObject is ISecurityEntity)
{
ISecurityEntity securityEntity = (ISecurityEntity)SecurityObject;
List <string> blockedMembers = new List <string>();
blockedMembers.AddRange(BlockedProperties);
blockedMembers.AddRange(BlockedNavigationProperties);
securityEntity.BlockedMembers = blockedMembers;
}
return(SecurityObject);
}