public CTAPBLESender(int packetSizeByte, CTAPBLEReceiver r)
{
this.packetSizeByte = packetSizeByte;
receiver = r;
}
/// <summary>
/// Connect with BLE Authenticator devices
/// </summary>
public async Task <bool> ConnectAsync(ulong bluetoothAddress)
{
bleDevice = await BluetoothLEDevice.FromBluetoothAddressAsync(bluetoothAddress);
if (checkDeviceInformation)
{
// Debug DeviceInformationチェック | check
var devinfo = new FidoDeviceInformation();
if (await devinfo.IsFidoDevice(bleDevice, "") == false)
{
return(false);
}
Logger.Log($"Device Information ManufacturerName: {devinfo.ManufacturerNameString}");
Logger.Log($"Device Information ModelNumberString: {devinfo.ModelNumberString}");
Logger.Log($"Device Information SerialNumberString: {devinfo.SerialNumberString}");
}
// イベントハンドラ追加 | Added event handler
bleDevice.ConnectionStatusChanged += onConnectionStateChange;
{
// FIDOのサービスをGET | GET FIDO Service
service_Fido = await this.getFIDOService(bleDevice);
if (service_Fido == null)
{
// サービス無し | No service
Logger.Err("Error Connect FIDO Service");
return(false);
}
// Characteristicアクセス | Characteristic access
// - コマンド送信ハンドラ設定 | Command transmission handler setting
// - 応答受信ハンドラ設定 | Response reception handler setting
{
if (PacketSizeByte <= 0)
{
// FIDO Control Point Length(Read-2byte)
var readVal = await readCharacteristicValue(service_Fido, Common.Gatt_Characteristic_FIDO_Control_Point_Length_GUID);
if (readVal != null)
{
this.PacketSizeByte = g.FIDO2.Common.ToUInt16(readVal, 0, true);
Logger.Log($"Got PacketSize: {this.PacketSizeByte}");
}
}
/*
* // FIDO Service Revision(Read)
* await DebugMethods.OutputLog(Service_Fido, GattCharacteristicUuids.SoftwareRevisionString);
*
* // FIDO Service Revision Bitfield(Read/Write-1+byte)
* await DebugMethods.OutputLog(Service_Fido, new Guid("F1D0FFF4-DEAA-ECEE-B42F-C9BA7ED623BB"));
*/
// FIDO Status(Notify) 受信データ | received data
{
var characteristics = await service_Fido.GetCharacteristicsForUuidAsync(Common.GATT_CHARACTERISTIC_FIDO_STATUS_GUID);
if (characteristics.Characteristics.Count <= 0)
{
Logger.Err("Error Connect Characteristic FIDO Status(Notify)");
return(false);
}
this.characteristic_Receive = characteristics.Characteristics.First();
if (this.characteristic_Receive == null)
{
Logger.Err("Error Connect Characteristic FIDO Status(Notify)");
return(false);
}
receiver = new CTAPBLEReceiver();
receiver.KeepAlive += this.KeepAlive;
if (this.characteristic_Receive.CharacteristicProperties.HasFlag(GattCharacteristicProperties.Notify))
{
// イベントハンドラ追加 | Added event handler
this.characteristic_Receive.ValueChanged += receiver.OnReceiveFromDevice;
// これで有効になる | This will enable
//A read permission error can also be the result of the authenticator sending incorrect response data
await this.characteristic_Receive.WriteClientCharacteristicConfigurationDescriptorAsync(GattClientCharacteristicConfigurationDescriptorValue.Notify);
}
}
// FIDO Control Point(Write) 送信データ | Transmission data
{
var characteristics = await service_Fido.GetCharacteristicsForUuidAsync(Common.GATT_CHARACTERISTIC_FIDO_CONTROL_POINT_GUID);
if (characteristics.Characteristics.Count <= 0)
{
Logger.Err("Error Connect CharacteristicFIDO Control Point(Write)");
return(false);
}
this.characteristic_Send = characteristics.Characteristics.First();
if (this.characteristic_Send == null)
{
Logger.Err("Error Connect Characteristic FIDO Control Point(Write)");
return(false);
}
}
Logger.Log("Connect BLE Authenticator!");
ConnectedDevice?.Invoke(this, EventArgs.Empty);
}
}
return(true);
}