public static WinHelloProvider CreateInstance(AuthCacheType authCacheType)
{
EnsureWinHelloAvailability();
lock (_mutex)
{
WinHelloProvider winHelloProvider = null;
if (_instance != null && (winHelloProvider = _instance.Target as WinHelloProvider) != null)
{
if (winHelloProvider.CurrentCacheType == authCacheType)
{
return(winHelloProvider);
}
else
{
throw new AuthProviderException("Incompatible cache type with existing instance.");
}
}
winHelloProvider = new WinHelloProvider(authCacheType);
_instance = new WeakReference(winHelloProvider);
return(winHelloProvider);
}
}
public override bool Initialize(IPluginHost host)
{
if (Host != null)
{
Debug.Assert(false); Terminate();
}
if (host == null)
{
return(false);
}
_provider = new WinHelloProvider();
Host = host;
Host.KeyProviderPool.Add(_provider);
Host.MainWindow.FileClosingPre += FileClosingPreHandler;
GlobalWindowManager.WindowAdded += WindowAddedHandler;
_timer = new System.Timers.Timer(1000);
_timer.Elapsed += ElapsedHandler;
_timer.Start();
return(true);
}
public static bool IsAvailable()
{
#if DEBUG
return(true);
#else
return(WinHelloProvider.IsAvailable());
#endif
}
public static IAuthProvider GetInstance(IntPtr keePassWindowHandle, AuthCacheType authCacheType)
{
#if DEBUG
var provider = new XorProvider(authCacheType);
#else
var provider = WinHelloProvider.CreateInstance(authCacheType);
#endif
if (UAC.IsCurrentProcessElevated)
{
return(new WinHelloProviderForegroundDecorator(provider, keePassWindowHandle));
}
else
{
return(provider);
}
}