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// 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 COMPONENTS_VARIATIONS_CROS_EVALUATE_SEED_EARLY_BOOT_SAFE_SEED_H_
#define COMPONENTS_VARIATIONS_CROS_EVALUATE_SEED_EARLY_BOOT_SAFE_SEED_H_
#include "base/time/time.h"
#include "chromeos/ash/components/dbus/featured/featured.pb.h"
#include "components/variations/seed_reader_writer.h"
#include "components/variations/variations_safe_seed_store.h"
namespace variations::cros_early_boot::evaluate_seed {
// Read-only implementation of VariationsSafeSeedStore that uses the
// specified |safe_seed_details|.
class EarlyBootSafeSeed : public VariationsSafeSeedStore {
public:
explicit EarlyBootSafeSeed(const featured::SeedDetails& safe_seed_details);
EarlyBootSafeSeed(const EarlyBootSafeSeed&) = delete;
EarlyBootSafeSeed& operator=(const EarlyBootSafeSeed&) = delete;
~EarlyBootSafeSeed() override;
// VariationsSafeSeedStore overrides.
// None of the Set* or Clear* methods will do anything; evaluate_seed should
// be read-only.
// Instead, we will only modify the safe seed state when chrome has started
// and confirmed that the seed works.
// However, it is not per se an *error* to call the mutator methods here, we
// just want to ignore these calls since we cannot actually determine if the
// seed was safe while evaluate_seed is running.
// The reason for this is that, in part of evaluating a seed, the variations
// code will generally mark a prior seed as safe, but in this case we do not
// yet know if the seed is safe until after ash-chrome has started. So, when
// running evaluate_seed, we should ignore updates to the safe seed.
base::Time GetFetchTime() const override;
void SetFetchTime(const base::Time& fetch_time) override;
int GetMilestone() const override;
base::Time GetTimeForStudyDateChecks() const override;
void SetTimeForStudyDateChecks(const base::Time& safe_seed_time) override;
StoredSeed GetCompressedSeed() const override;
void SetCompressedSeed(ValidatedSeedInfo seed_info) override;
std::string GetLocale() const override;
void SetLocale(const std::string& locale) override;
std::string GetPermanentConsistencyCountry() const override;
void SetPermanentConsistencyCountry(
const std::string& permanent_consistency_country) override;
std::string GetSessionConsistencyCountry() const override;
void SetSessionConsistencyCountry(
const std::string& session_consistency_country) override;
SeedReaderWriter* GetSeedReaderWriterForTesting() override;
void SetSeedReaderWriterForTesting(
std::unique_ptr<SeedReaderWriter> seed_reader_writer) override;
void ClearState() override;
private:
// Details of the safe seed to use for early boot.
const featured::SeedDetails safe_seed_details_;
};
} // namespace variations::cros_early_boot::evaluate_seed
#endif // COMPONENTS_VARIATIONS_CROS_EVALUATE_SEED_EARLY_BOOT_SAFE_SEED_H_
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