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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_DEVICE_REAUTH_WIN_DEVICE_AUTHENTICATOR_WIN_H_
#define CHROME_BROWSER_DEVICE_REAUTH_WIN_DEVICE_AUTHENTICATOR_WIN_H_
#include <memory>
#include "chrome/browser/device_reauth/chrome_device_authenticator_factory.h"
#include "chrome/browser/device_reauth/win/authenticator_win.h"
#include "components/device_reauth/device_authenticator.h"
#include "components/device_reauth/device_authenticator_common.h"
class DeviceAuthenticatorWin : public DeviceAuthenticatorCommon {
public:
DeviceAuthenticatorWin(
std::unique_ptr<AuthenticatorWinInterface> authenticator,
DeviceAuthenticatorProxy* proxy,
const device_reauth::DeviceAuthParams& params);
~DeviceAuthenticatorWin() override;
// Returns true, when biometrics are available.
bool CanAuthenticateWithBiometrics() override;
// Returns true, when biometrics or screen lock is available.
bool CanAuthenticateWithBiometricOrScreenLock() override;
// Triggers an authentication flow based on biometrics. Request user to
// authenticate(a prompt with that information will appear on the screen and
// the `message` will be displayed there) using their windows hello or if it's
// not set up, default one with password will appear.
void AuthenticateWithMessage(const std::u16string& message,
AuthenticateCallback callback) override;
// Should be called by the object using the authenticator if the purpose
// for which the auth was requested becomes obsolete or the object is
// destroyed.
void Cancel() override;
// Asks Windows if user has configured and enabled biometrics on
// their machine. Stores the response in a local state pref for future usage,
// as that check is very expensive. Prefer using the cached value over calling
// this for every auth attempt.
static void CacheIfBiometricsAvailable(
AuthenticatorWinInterface* authenticator);
private:
// Records authentication status and executes |callback| with |success|
// parameter.
void OnAuthenticationCompleted(base::OnceCallback<void(bool)> callback,
bool success);
std::unique_ptr<AuthenticatorWinInterface> authenticator_;
// Factory for weak pointers to this class.
base::WeakPtrFactory<DeviceAuthenticatorWin> weak_ptr_factory_{this};
};
#endif // CHROME_BROWSER_DEVICE_REAUTH_WIN_DEVICE_AUTHENTICATOR_WIN_H_
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