async Task CreateRemoteDeviceAsync(CancellationToken cancellationToken)
{
if (_remoteDevice != null || IsCreatingRemoteDevice)
{
return;
}
HideezErrorCode initErrorCode = HideezErrorCode.Ok;
try
{
_log.WriteLine($"({SerialNo}) Establishing remote vault connection");
if (cancellationToken.IsCancellationRequested)
{
initErrorCode = HideezErrorCode.RemoteDeviceCreationCancelled;
return;
}
_log.WriteLine("Checking for available channels");
var channelsReply = await _metaMessenger.ProcessOnServer <GetAvailableChannelsMessageReply>(new GetAvailableChannelsMessage(SerialNo));
var channels = channelsReply.FreeChannels;
if (channels.Length == 0)
{
throw new Exception(string.Format(TranslationSource.Instance["Vault.Error.NoAvailableChannels"], SerialNo)); // Todo: separate exception type
}
var channelNo = channels.FirstOrDefault();
_log.WriteLine($"{channels.Length} channels available");
if (cancellationToken.IsCancellationRequested)
{
initErrorCode = HideezErrorCode.RemoteDeviceCreationCancelled;
return;
}
ShowInfo(string.Format(TranslationSource.Instance["Vault.Notification.PreparingForAuth"], SerialNo), Mac);
IsCreatingRemoteDevice = true;
_remoteDevice = await _remoteDeviceFactory.CreateRemoteDeviceAsync(SerialNo, channelNo, _remoteDeviceMessenger);
_remoteDevice.PropertyChanged += RemoteDevice_PropertyChanged;
if (cancellationToken.IsCancellationRequested)
{
initErrorCode = HideezErrorCode.RemoteDeviceCreationCancelled;
return;
}
await _remoteDevice.VerifyAndInitialize(cancellationToken);
if (cancellationToken.IsCancellationRequested)
{
initErrorCode = HideezErrorCode.RemoteDeviceCreationCancelled;
return;
}
if (!_remoteDevice.IsAuthorized)
{
ShowInfo(string.Empty, Mac);
}
if (_remoteDevice.SerialNo != SerialNo)
{
throw new Exception(TranslationSource.Instance["Vault.Error.InvalidRemoteSerialNo"]);
}
_log.WriteLine($"({SerialNo}) Creating password manager");
PasswordManager = new DevicePasswordManager(_remoteDevice, null);
_remoteDevice.StorageModified += RemoteDevice_StorageModified;
_remoteDevice.ButtonPressed += RemoteDevice_ButtonPressed;
_log.WriteLine($"({SerialNo}) Remote vault connection established");
}
catch (HideezException ex)
{
_log.WriteLine(ex);
if (ex.ErrorCode != HideezErrorCode.ChannelInitializationFailed)
{
ShowError(ex.Message, Mac);
}
initErrorCode = ex.ErrorCode;
}
catch (Exception ex)
{
_log.WriteLine(ex);
ShowError(ex.Message, Mac);
initErrorCode = HideezErrorCode.UnknownError;
}
finally
{
await _metaMessenger.Publish(new HidePinUiMessage());
if (initErrorCode != HideezErrorCode.Ok)
{
await ShutdownRemoteDeviceAsync(initErrorCode);
}
IsCreatingRemoteDevice = false;
}
}
