| // Copyright 2023 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_UI_ASH_AUTH_LEGACY_FINGERPRINT_ENGINE_H_ |
| #define CHROME_BROWSER_UI_ASH_AUTH_LEGACY_FINGERPRINT_ENGINE_H_ |
| |
| #include <memory> |
| |
| #include "base/functional/callback_forward.h" |
| #include "base/memory/raw_ptr.h" |
| #include "base/memory/weak_ptr.h" |
| #include "base/notreached.h" |
| #include "chrome/browser/ash/login/quick_unlock/quick_unlock_utils.h" |
| #include "chromeos/ash/components/login/auth/public/auth_callbacks.h" |
| #include "third_party/abseil-cpp/absl/types/optional.h" |
| |
| class AccountId; |
| class PrefService; |
| |
| namespace ash { |
| |
| class UserContext; |
| class AuthPerformer; |
| |
| // Handles Fingerprint authentication operations and is the source of truth for |
| // the availability of Fingerprint authentication. |
| class LegacyFingerprintEngine { |
| public: |
| enum class Purpose { kAny, kUnlock, kWebAuthn }; |
| |
| explicit LegacyFingerprintEngine(ash::AuthPerformer* auth_performer); |
| LegacyFingerprintEngine(const LegacyFingerprintEngine&) = delete; |
| LegacyFingerprintEngine& operator=(const LegacyFingerprintEngine&) = delete; |
| virtual ~LegacyFingerprintEngine(); |
| |
| LegacyFingerprintEngine::Purpose FromQuickUnlockPurpose( |
| quick_unlock::Purpose purpose) const; |
| |
| quick_unlock::Purpose ToQuickUnlockPurpose( |
| LegacyFingerprintEngine::Purpose purpose) const; |
| |
| bool IsFingerprintDisabledByPolicy( |
| const PrefService& pref_service, |
| LegacyFingerprintEngine::Purpose purpose) const; |
| |
| // Returns true if the device supports fingerprint authentication and |
| // fingerprint is not disabled by policy, and not if the user associated with |
| // `pref_service` has actually set up fingerprint as an auth factor. Returns |
| // false otherwise. |
| bool IsFingerprintEnabled(const PrefService& pref_service, |
| LegacyFingerprintEngine::Purpose purpose) const; |
| |
| // Returns true if the user associated with `account_id` has actually |
| // configured fingerprint as an auth factor. |
| bool IsFingerprintAvailable(Purpose purpose, const AccountId& account_id); |
| |
| void PrepareLegacyFingerprintFactor(std::unique_ptr<UserContext> user_context, |
| AuthOperationCallback callback); |
| |
| void TerminateLegacyFingerprintFactor( |
| std::unique_ptr<UserContext> user_context, |
| AuthOperationCallback callback); |
| |
| private: |
| // Non owning pointer |
| const base::raw_ptr<AuthPerformer> auth_performer_; |
| |
| base::WeakPtrFactory<LegacyFingerprintEngine> weak_factory_{this}; |
| }; |
| |
| } // namespace ash |
| |
| #endif // CHROME_BROWSER_UI_ASH_AUTH_LEGACY_FINGERPRINT_ENGINE_H_ |