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fido_transport_protocol.cc
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fido_transport_protocol.cc
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// Copyright 2018 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "device/fido/fido_transport_protocol.h"
namespace device {
const char kUsbHumanInterfaceDevice[] = "usb";
const char kNearFieldCommunication[] = "nfc";
const char kBluetoothLowEnergy[] = "ble";
const char kCloudAssistedBluetoothLowEnergy[] = "cable";
const char kInternal[] = "internal";
absl::optional<FidoTransportProtocol> ConvertToFidoTransportProtocol(
base::StringPiece protocol) {
if (protocol == kUsbHumanInterfaceDevice)
return FidoTransportProtocol::kUsbHumanInterfaceDevice;
else if (protocol == kNearFieldCommunication)
return FidoTransportProtocol::kNearFieldCommunication;
else if (protocol == kBluetoothLowEnergy)
return FidoTransportProtocol::kBluetoothLowEnergy;
else if (protocol == kCloudAssistedBluetoothLowEnergy)
return FidoTransportProtocol::kCloudAssistedBluetoothLowEnergy;
else if (protocol == kInternal)
return FidoTransportProtocol::kInternal;
else
return absl::nullopt;
}
base::StringPiece ToString(FidoTransportProtocol protocol) {
switch (protocol) {
case FidoTransportProtocol::kUsbHumanInterfaceDevice:
return kUsbHumanInterfaceDevice;
case FidoTransportProtocol::kNearFieldCommunication:
return kNearFieldCommunication;
case FidoTransportProtocol::kBluetoothLowEnergy:
return kBluetoothLowEnergy;
case FidoTransportProtocol::kCloudAssistedBluetoothLowEnergy:
return kCloudAssistedBluetoothLowEnergy;
case FidoTransportProtocol::kInternal:
return kInternal;
case FidoTransportProtocol::kAndroidAccessory:
// The Android accessory transport is not exposed to the outside world and
// is considered a flavour of caBLE.
return kCloudAssistedBluetoothLowEnergy;
}
}
AuthenticatorAttachment AuthenticatorAttachmentFromTransport(
FidoTransportProtocol transport) {
switch (transport) {
case FidoTransportProtocol::kInternal:
return AuthenticatorAttachment::kPlatform;
case FidoTransportProtocol::kUsbHumanInterfaceDevice:
case FidoTransportProtocol::kNearFieldCommunication:
case FidoTransportProtocol::kBluetoothLowEnergy:
case FidoTransportProtocol::kCloudAssistedBluetoothLowEnergy:
case FidoTransportProtocol::kAndroidAccessory:
return AuthenticatorAttachment::kCrossPlatform;
}
}
} // namespace device