public FactoryResult TryCreate(WhitelistApplication settings, out IApplication application)
{
var name = $"'{settings.DisplayName}' ({ settings.ExecutableName})";
application = default(IApplication);
try
{
var success = TryFindApplication(settings, out var executablePath);
if (success)
{
application = BuildApplication(executablePath, settings);
application.Initialize();
logger.Debug($"Successfully initialized application {name}.");
return(FactoryResult.Success);
}
logger.Error($"Could not find application {name}!");
return(FactoryResult.NotFound);
}
catch (Exception e)
{
logger.Error($"Unexpected error while trying to initialize application {name}!", e);
}
return(FactoryResult.Error);
}
private List <IFeatureConfiguration> LoadFromFile()
{
var configurations = new List <IFeatureConfiguration>();
try
{
if (File.Exists(filePath))
{
var context = new StreamingContext(StreamingContextStates.All, logger);
logger.Debug($"Attempting to load backup data from '{filePath}'...");
using (var stream = File.Open(filePath, FileMode.Open))
{
configurations = (List <IFeatureConfiguration>) new BinaryFormatter(null, context).Deserialize(stream);
}
logger.Debug($"Backup data successfully loaded, found {configurations.Count} items.");
}
else
{
logger.Debug($"No backup data found under '{filePath}'.");
}
}
catch (Exception e)
{
logger.Error($"Failed to load backup data from '{filePath}'!", e);
}
return(configurations);
}
public void Start()
{
try
{
logger.Info("Starting application...");
InitializeInstance(processFactory.StartNew(executablePath, BuildArguments()));
logger.Info("Successfully started application.");
}
catch (Exception e)
{
logger.Error("Failed to start application!", e);
}
}
public bool TryGetById(int id, out IProcess process)
{
process = default(IProcess);
try
{
var raw = System.Diagnostics.Process.GetProcessById(id);
var(name, originalName) = LoadProcessNamesFor(raw);
process = new Process(raw, name, originalName, LoggerFor(raw, name));
}
catch (Exception e)
{
logger.Error($"Failed to get process with ID = {id}!", e);
}
return(process != default(IProcess));
}
private void DeleteCache()
{
try
{
Directory.Delete(appConfig.BrowserCachePath, true);
logger.Info("Deleted browser cache.");
}
catch (Exception e)
{
logger.Error("Failed to delete browser cache!", e);
}
}
private void StartProctoring()
{
Application.Current.Dispatcher.Invoke(() =>
{
try
{
var content = LoadContent(settings);
filePath = Path.Combine(appConfig.TemporaryDirectory, $"{Path.GetRandomFileName()}_index.html");
fileSystem.Save(content, filePath);
control = new ProctoringControl(logger.CloneFor(nameof(ProctoringControl)));
control.EnsureCoreWebView2Async().ContinueWith(_ =>
{
control.Dispatcher.Invoke(() =>
{
control.CoreWebView2.Navigate(filePath);
});
});
window = uiFactory.CreateProctoringWindow(control);
window.SetTitle(settings.JitsiMeet.Enabled ? settings.JitsiMeet.Subject : settings.Zoom.UserName);
window.Show();
if (settings.WindowVisibility == WindowVisibility.AllowToShow || settings.WindowVisibility == WindowVisibility.Hidden)
{
window.Hide();
}
IconResource = new XamlIconResource {
Uri = new Uri("pack://application:,,,/SafeExamBrowser.UserInterface.Desktop;component/Images/ProctoringNotification_Active.xaml")
};
Tooltip = text.Get(TextKey.Notification_ProctoringActiveTooltip);
NotificationChanged?.Invoke();
logger.Info($"Started proctoring with {(settings.JitsiMeet.Enabled ? "Jitsi Meet" : "Zoom")}.");
}
catch (Exception e)
{
logger.Error($"Failed to start proctoring! Reason: {e.Message}", e);
}
});
}
