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// Copyright 2021 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_ANDROID_DEVICE_AUTHENTICATOR_BRIDGE_H_
#define CHROME_BROWSER_DEVICE_REAUTH_ANDROID_DEVICE_AUTHENTICATOR_BRIDGE_H_
#include "base/functional/callback_forward.h"
#include "components/device_reauth/device_authenticator.h"
namespace device_reauth {
// The biometric authentication result as returned by the biometric prompt.
//
// GENERATED_JAVA_ENUM_PACKAGE: org.chromium.chrome.browser.device_reauth
enum class DeviceAuthUIResult {
kSuccessWithUnknownMethod = 0,
kSuccessWithBiometrics = 1,
kSuccessWithDeviceLock = 2,
kCanceledByUser = 3,
kFailed = 4,
kLockout = 5,
};
// Different states for biometric availability for a given device. Either no
// biometric hardware is available, hardware is available but the user has no
// biometrics enrolled, or hardware is available and the user makes use of it.
//
// These values are persisted to logs. Entries should not be renumbered and
// numeric values should never be reused.
//
// GENERATED_JAVA_ENUM_PACKAGE: org.chromium.chrome.browser.device_reauth
enum class BiometricsAvailability {
kOtherError = 0,
kAvailable = 1,
kAvailableNoFallback = 2,
kNoHardware = 3,
kHwUnavailable = 4,
kNotEnrolled = 5,
kSecurityUpdateRequired = 6,
kAndroidVersionNotSupported = 7,
kRequired = 8,
kRequiredButHasError = 9,
kMaxValue = kRequiredButHasError,
};
} // namespace device_reauth
// Interface for the biometric authenticator bridge connecting the C++ side
// of the implementation to the Java one.
class DeviceAuthenticatorBridge {
public:
virtual ~DeviceAuthenticatorBridge() = default;
// Checks whether biometrics are available.
virtual device_reauth::BiometricsAvailability
CanAuthenticateWithBiometric() = 0;
// Checks whether biometrics OR screen lock are available.
virtual bool CanAuthenticateWithBiometricOrScreenLock() = 0;
// Trigges an authentication flow based on biometrics, with the
// screen lock as fallback. Note: this only supports one authentication
// request at a time.
virtual void Authenticate(
base::OnceCallback<void(device_reauth::DeviceAuthUIResult)>
response_callback) = 0;
// Called when the authentication flow becomes obsolete (e.g. the original
// purpose doesn't exist anymore, the tab was destroyed, etc).
virtual void Cancel() = 0;
};
#endif // CHROME_BROWSER_DEVICE_REAUTH_ANDROID_DEVICE_AUTHENTICATOR_BRIDGE_H_
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