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// Copyright 2019 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_ANDROID_H_
#define CHROME_BROWSER_DEVICE_REAUTH_ANDROID_DEVICE_AUTHENTICATOR_ANDROID_H_
#include <optional>
#include "base/functional/callback.h"
#include "base/time/time.h"
#include "chrome/browser/device_reauth/android/device_authenticator_bridge.h"
#include "chrome/browser/device_reauth/chrome_device_authenticator_factory.h"
#include "components/device_reauth/device_authenticator.h"
#include "components/device_reauth/device_authenticator_common.h"
#include "components/password_manager/core/browser/origin_credential_store.h"
// The result of the device authentication.
//
// These values are persisted to logs. Entries should not be renumbered and
// numeric values should never be reused.
enum class DeviceAuthFinalResult {
// This value is used for when we don't know the exact auth method used. This
// can be the case on Android versions under 11.
kSuccessWithUnknownMethod = 0,
kSuccessWithBiometrics = 1,
kSuccessWithDeviceLock = 2,
kCanceledByUser = 3,
kFailed = 4,
// Deprecated in favour of kCanceledByChrome. Recorded when the auth succeeds
// after Chrome cancelled it.
// kSuccessButCanceled = 5,
// Deprecated in favour of kCanceledByChrome. Recorded when the auth fails
// after Chrome cancelled it.
// kFailedAndCanceled = 6,
// Recorded if an authentication was requested within 60s of the previous
// successful authentication.
kAuthStillValid = 7,
// Recorded when the authentication flow is cancelled by Chrome.
kCanceledByChrome = 8,
kMaxValue = kCanceledByChrome,
};
// Android implementation of the DeviceAuthenticator interface.
class DeviceAuthenticatorAndroid : public DeviceAuthenticatorCommon {
public:
DeviceAuthenticatorAndroid(std::unique_ptr<DeviceAuthenticatorBridge> bridge,
DeviceAuthenticatorProxy* proxy,
const device_reauth::DeviceAuthParams& params);
~DeviceAuthenticatorAndroid() override;
bool CanAuthenticateWithBiometrics() override;
bool CanAuthenticateWithBiometricOrScreenLock() override;
// Trigges an authentication flow based on biometrics, with the
// screen lock as fallback. Displays `message` in the authentication UI.
// Note: this only supports one authentication request at a time.
// On Android `message` is not relevant, can be empty.
void AuthenticateWithMessage(const std::u16string& message,
AuthenticateCallback callback) override;
device_reauth::BiometricStatus GetBiometricAvailabilityStatus() 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;
private:
// Called when the authentication compeletes with the result
void OnAuthenticationCompleted(device_reauth::DeviceAuthUIResult ui_result);
// Callback to be executed after the authentication completes.
AuthenticateCallback callback_;
// Bridge used to call into the Java side.
std::unique_ptr<DeviceAuthenticatorBridge> bridge_;
// Enum value representing where the device reauthentication flow is requested
// from.
device_reauth::DeviceAuthSource source_;
};
#endif // CHROME_BROWSER_DEVICE_REAUTH_ANDROID_DEVICE_AUTHENTICATOR_ANDROID_H_
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