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// Copyright 2025 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_TRUSTED_VAULT_PHYSICAL_DEVICE_RECOVERY_FACTOR_H_
#define COMPONENTS_TRUSTED_VAULT_PHYSICAL_DEVICE_RECOVERY_FACTOR_H_
#include <optional>
#include <vector>
#include "base/functional/callback.h"
#include "components/signin/public/identity_manager/account_info.h"
#include "components/trusted_vault/local_recovery_factor.h"
#include "components/trusted_vault/proto/local_trusted_vault.pb.h"
#include "components/trusted_vault/standalone_trusted_vault_storage.h"
#include "components/trusted_vault/trusted_vault_histograms.h"
#include "components/trusted_vault/trusted_vault_throttling_connection.h"
#include "google_apis/gaia/gaia_id.h"
namespace trusted_vault {
// This class represents the local physical device as recovery factor.
// It stores required (private) keys on disk through the per-user
// StandaloneTrustedVaultStorage instance.
// TODO(crbug.com/405381481): Add unittests for this class (by moving tests from
// StandaloneTrustedVaultBackendTest).
class PhysicalDeviceRecoveryFactor : public LocalRecoveryFactor {
public:
// `storage` and `connection` must not be null and must outlive this object.
// `storage` must contain a vault for `primary_account` when calling any
// method of this class.
// TODO(crbug.com/405381481): Refactor / remove the usage of
// StandaloneTrustedVaultStorage in this class.
PhysicalDeviceRecoveryFactor(SecurityDomainId security_domain_id,
StandaloneTrustedVaultStorage* storage,
TrustedVaultThrottlingConnection* connection,
CoreAccountInfo primary_account);
PhysicalDeviceRecoveryFactor(const PhysicalDeviceRecoveryFactor&) = delete;
PhysicalDeviceRecoveryFactor& operator=(PhysicalDeviceRecoveryFactor&) =
delete;
~PhysicalDeviceRecoveryFactor() override;
LocalRecoveryFactorType GetRecoveryFactorType() const override;
void AttemptRecovery(AttemptRecoveryCallback cb) override;
bool IsRegistered() override;
void MarkAsNotRegistered() override;
TrustedVaultRecoveryFactorRegistrationStateForUMA MaybeRegister(
RegisterCallback cb) override;
private:
trusted_vault_pb::LocalTrustedVaultPerUser* GetPrimaryAccountVault();
void OnKeysDownloaded(AttemptRecoveryCallback cb,
TrustedVaultDownloadKeysStatus status,
const std::vector<std::vector<uint8_t>>& new_vault_keys,
int last_vault_key_version);
void FulfillRecoveryWithFailure(
TrustedVaultDownloadKeysStatusForUMA status_for_uma,
AttemptRecoveryCallback cb);
void OnRegistered(RegisterCallback cb,
bool had_local_keys,
TrustedVaultRegistrationStatus status,
int key_version);
const SecurityDomainId security_domain_id_;
const raw_ptr<StandaloneTrustedVaultStorage> storage_;
const raw_ptr<TrustedVaultThrottlingConnection> connection_;
const CoreAccountInfo primary_account_;
// Destroying this will cancel the ongoing request.
std::unique_ptr<TrustedVaultConnection::Request> ongoing_request_;
// Destroying this will cancel the ongoing request.
std::unique_ptr<TrustedVaultConnection::Request>
ongoing_registration_request_;
};
} // namespace trusted_vault
#endif // COMPONENTS_TRUSTED_VAULT_PHYSICAL_DEVICE_RECOVERY_FACTOR_H_
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