public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
{
JObject jo = JObject.Load(reader);
var appPath = jo["ApplicationPath"].ToObject<string>();
var filter = jo["Filter"].ToObject<bool>();
var model = new FilteredAppModel(appPath, filter);
return model;
}
/// <summary>
/// Callback for the Engine to determine if the given binary should be filtered or not. The
/// reason why this callback is named FirewallCheck is because the transparent proxy that the
/// Engine employs could theoretically allow an application access to the internet even when
/// the installed firewall has not necessarily given permission for this particular
/// application to have internet access. This also why users are told this in plain text in
/// the UI component for enabling/disabling filtering on applications.
/// </summary>
/// <param name="binaryFullPath">
/// </param>
/// <returns>
/// True if the supplied binary should have its traffic filtered, false otherwise.
/// </returns>
private bool FirewallCheck(string binaryFullPath)
{
// Note that returning "false" doesn't mean the app doesn't get to access the internet, it
// means it won't be diverted through our proxy. So we can also choose which applications we
// want to filter as well.
FilteredAppModel famdl;
if (m_filteredApplicationsTable.TryGetValue(binaryFullPath, out famdl))
{
if (famdl != null)
{
return famdl.Filter;
}
}
// No entry for this binary. Create it and push it to the dashboard collection for the user
// to have.
try
{
famdl = new FilteredAppModel(binaryFullPath, false);
if (m_filteredApplicationsTable.TryAdd(binaryFullPath, famdl))
{
Current.Dispatcher.BeginInvoke(
System.Windows.Threading.DispatcherPriority.Normal,
(Action)delegate ()
{
m_viewModelDashboard.FilteredApplications.Add(new FilteredAppViewModel(famdl));
}
);
}
else
{
m_logger.Error("Error pushing new binary {0} to collection.");
}
}
catch (ArgumentException ae)
{
m_logger.Error("Got erreor while constructing new FilteredAppModel: {0}.", ae.Message);
}
return false;
}
/// <summary>
///
/// </summary>
/// <param name="model"></param>
/// <exception cref="ArgumentException">
/// </exception>
public FilteredAppViewModel(FilteredAppModel model)
{
m_model = model;
if (m_model == null)
{
throw new ArgumentException("Expected valid FilteredAppModel instance.");
}
}