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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.
#ifndef DEVICE_FIDO_FIDO_DEVICE_AUTHENTICATOR_H_
#define DEVICE_FIDO_FIDO_DEVICE_AUTHENTICATOR_H_
#include <memory>
#include <string>
#include <vector>
#include "base/component_export.h"
#include "base/macros.h"
#include "base/memory/weak_ptr.h"
#include "base/optional.h"
#include "base/strings/string16.h"
#include "build/build_config.h"
#include "device/fido/ctap2_device_operation.h"
#include "device/fido/fido_authenticator.h"
namespace device {
class CtapGetAssertionRequest;
class CtapMakeCredentialRequest;
class FidoDevice;
class FidoTask;
namespace pin {
struct RetriesRequest;
struct RetriesResponse;
} // namespace pin
// Adaptor class from a |FidoDevice| to the |FidoAuthenticator| interface.
// Responsible for translating WebAuthn-level requests into serializations that
// can be passed to the device for transport.
class COMPONENT_EXPORT(DEVICE_FIDO) FidoDeviceAuthenticator
: public FidoAuthenticator {
public:
FidoDeviceAuthenticator(std::unique_ptr<FidoDevice> device);
~FidoDeviceAuthenticator() override;
// FidoAuthenticator:
void InitializeAuthenticator(base::OnceClosure callback) override;
void MakeCredential(CtapMakeCredentialRequest request,
MakeCredentialCallback callback) override;
void GetAssertion(CtapGetAssertionRequest request,
GetAssertionCallback callback) override;
void GetTouch(base::OnceCallback<void()> callback) override;
void GetRetries(GetRetriesCallback callback) override;
void GetEphemeralKey(GetEphemeralKeyCallback callback) override;
void GetPINToken(std::string pin,
const pin::KeyAgreementResponse& peer_key,
GetPINTokenCallback callback) override;
void SetPIN(const std::string& pin,
const pin::KeyAgreementResponse& peer_key,
SetPINCallback callback) override;
void ChangePIN(const std::string& old_pin,
const std::string& new_pin,
pin::KeyAgreementResponse& peer_key,
SetPINCallback callback) override;
void Reset(ResetCallback callback) override;
void Cancel() override;
std::string GetId() const override;
base::string16 GetDisplayName() const override;
ProtocolVersion SupportedProtocol() const override;
const base::Optional<AuthenticatorSupportedOptions>& Options() const override;
base::Optional<FidoTransportProtocol> AuthenticatorTransport() const override;
bool IsInPairingMode() const override;
bool IsPaired() const override;
#if defined(OS_WIN)
bool IsWinNativeApiAuthenticator() const override;
#endif // defined(OS_WIN)
base::WeakPtr<FidoAuthenticator> GetWeakPtr() override;
FidoDevice* device() { return device_.get(); }
void SetTaskForTesting(std::unique_ptr<FidoTask> task);
protected:
void OnCtapMakeCredentialResponseReceived(
MakeCredentialCallback callback,
base::Optional<std::vector<uint8_t>> response_data);
void OnCtapGetAssertionResponseReceived(
GetAssertionCallback callback,
base::Optional<std::vector<uint8_t>> response_data);
private:
void InitializeAuthenticatorDone(base::OnceClosure callback);
const std::unique_ptr<FidoDevice> device_;
base::Optional<AuthenticatorSupportedOptions> options_;
std::unique_ptr<FidoTask> task_;
std::unique_ptr<GenericDeviceOperation> operation_;
base::WeakPtrFactory<FidoDeviceAuthenticator> weak_factory_;
DISALLOW_COPY_AND_ASSIGN(FidoDeviceAuthenticator);
};
} // namespace device
#endif // DEVICE_FIDO_FIDO_DEVICE_AUTHENTICATOR_H_