private void Context_SavingChanges(object sender, EventArgs e)
{
if (_kernel.EnableGuards == false)
{
return;
}
ObjectContext objectContext = ((IObjectContextAdapter)_context).ObjectContext;
var entries = objectContext.GetModifiedEntries();
foreach (var entry in entries)
{
if (entry == null)
{
continue;
}
var protectionContext = new SubmitProtectionContext()
{
Kernel = _kernel,
EntityType = entry.Entity.GetType(),
Entry = entry,
LocalValues = objectContext.GetModifiedLocalValues(entry.Entity),
OriginalValues = objectContext.GetModifiedOriginalValues(entry.Entity)
};
_kernel.SubmitGuard.Protect(protectionContext);
}
}
/// <summary>
/// Calls all registered submit policies in GuardianKernel
/// </summary>
/// <param name="context">The protection context.</param>
/// <exception cref="AccessDeniedException"></exception>
public void Protect(SubmitProtectionContext context)
{
foreach (var policy in context.Kernel.SubmitPolicies)
{
var result = policy.Check(context);
if (result.IsSuccess == false)
{
// If one of policies fail, we don't need to apply another ones
throw new AccessDeniedException();
}
}
}
