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// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_BROWSER_ATTRIBUTION_REPORTING_ATTRIBUTION_RESOLVER_IMPL_H_
#define CONTENT_BROWSER_ATTRIBUTION_REPORTING_ATTRIBUTION_RESOLVER_IMPL_H_
#include <stdint.h>
#include <memory>
#include <optional>
#include <string>
#include <variant>
#include <vector>
#include "base/sequence_checker.h"
#include "base/thread_annotations.h"
#include "base/time/time.h"
#include "base/types/expected.h"
#include "content/browser/attribution_reporting/aggregatable_result.mojom-forward.h"
#include "content/browser/attribution_reporting/attribution_report.h"
#include "content/browser/attribution_reporting/attribution_resolver.h"
#include "content/browser/attribution_reporting/attribution_storage_sql.h"
#include "content/browser/attribution_reporting/create_report_result.h"
#include "content/browser/attribution_reporting/rate_limit_result.h"
#include "content/browser/attribution_reporting/stored_source.h"
#include "content/common/content_export.h"
#include "content/public/browser/attribution_data_model.h"
#include "content/public/browser/storage_partition.h"
namespace base {
class FilePath;
} // namespace base
namespace content {
class AttributionResolverDelegate;
class AttributionTrigger;
class StorableSource;
struct AttributionInfo;
// This class may be constructed on any sequence but must be accessed and
// destroyed on the same sequence. The sequence must outlive |this|.
class CONTENT_EXPORT AttributionResolverImpl : public AttributionResolver {
public:
AttributionResolverImpl(
const base::FilePath& user_data_directory,
std::unique_ptr<AttributionResolverDelegate> delegate);
AttributionResolverImpl(const AttributionResolverImpl&) = delete;
AttributionResolverImpl& operator=(const AttributionResolverImpl&) = delete;
AttributionResolverImpl(AttributionResolverImpl&&) = delete;
AttributionResolverImpl& operator=(AttributionResolverImpl&&) = delete;
~AttributionResolverImpl() override;
private:
// AttributionResolver:
StoreSourceResult StoreSource(StorableSource source) override;
CreateReportResult MaybeCreateAndStoreReport(
AttributionTrigger trigger) override;
std::vector<AttributionReport> GetAttributionReportsWithLimit(
base::Time max_report_time,
int limit) override;
std::vector<AttributionReport> GetAttributionReports(
base::Time max_report_time) override;
std::optional<base::Time> GetNextReportTime(base::Time time) override;
std::optional<AttributionReport> GetReport(AttributionReport::Id) override;
std::vector<StoredSource> GetActiveSourcesWithLimit(int limit) override;
std::vector<StoredSource> GetActiveSources() override;
std::set<AttributionDataModel::DataKey> GetAllDataKeys() override;
void DeleteByDataKey(const AttributionDataModel::DataKey& datakey) override;
bool DeleteReport(AttributionReport::Id report_id) override;
bool UpdateReportForSendFailure(AttributionReport::Id report_id,
base::Time new_report_time) override;
std::optional<base::Time> AdjustOfflineReportTimes() override;
void ClearData(base::Time delete_begin,
base::Time delete_end,
StoragePartition::StorageKeyMatcherFunction filter,
bool delete_rate_limit_data) override;
void ClearDataIncludingRateLimit(
base::Time delete_begin,
base::Time delete_end,
StoragePartition::StorageKeyMatcherFunction filter) override;
ProcessAggregatableDebugReportResult ProcessAggregatableDebugReport(
AggregatableDebugReport,
std::optional<int> remaining_budget,
std::optional<StoredSource::Id>) override;
void StoreOsRegistrations(const base::flat_set<url::Origin>&) override;
void SetDelegate(std::unique_ptr<AttributionResolverDelegate>) override;
CreateReportResult::EventLevel MaybeCreateEventLevelReport(
const AttributionInfo& attribution_info,
const StoredSource& source,
const AttributionTrigger& trigger,
std::optional<uint64_t>& dedup_key)
VALID_CONTEXT_REQUIRED(sequence_checker_);
CreateReportResult::Aggregatable MaybeCreateAggregatableAttributionReport(
const AttributionInfo& attribution_info,
const StoredSource& source,
const AttributionTrigger& trigger,
std::optional<uint64_t>& dedup_keys)
VALID_CONTEXT_REQUIRED(sequence_checker_);
// Generates null aggregatable reports for the given trigger and stores all
// those reports.
[[nodiscard]] bool GenerateNullAggregatableReportsAndStoreReports(
const AttributionTrigger&,
const AttributionInfo&,
const StoredSource* source,
AttributionReport* new_aggregatable_report,
std::optional<base::Time>& min_null_aggregatable_report_time)
VALID_CONTEXT_REQUIRED(sequence_checker_);
base::Time GetAggregatableReportTime(const AttributionTrigger& trigger,
base::Time trigger_time) const
VALID_CONTEXT_REQUIRED(sequence_checker_);
struct ReplaceReportError {};
struct AddNewReport {};
struct DropNewReport {
bool source_deactivated;
};
struct ReplaceOldReport {
AttributionReport replaced_report;
};
using ReplaceReportResult = std::variant<ReplaceReportError,
AddNewReport,
DropNewReport,
ReplaceOldReport>;
[[nodiscard]] ReplaceReportResult MaybeReplaceLowerPriorityEventLevelReport(
const AttributionReport& report,
const StoredSource& source,
int num_attributions) VALID_CONTEXT_REQUIRED(sequence_checker_);
CreateReportResult::EventLevel MaybeStoreEventLevelReport(
const StoredSource& source,
std::optional<uint64_t> dedup_key,
int num_attributions,
CreateReportResult::EventLevelSuccess)
VALID_CONTEXT_REQUIRED(sequence_checker_);
std::unique_ptr<AttributionResolverDelegate> delegate_
GUARDED_BY_CONTEXT(sequence_checker_);
AttributionStorageSql storage_ GUARDED_BY_CONTEXT(sequence_checker_);
// Time at which `DeleteExpiredSources()` was last called. Initialized to
// the NULL time.
base::Time last_deleted_expired_sources_
GUARDED_BY_CONTEXT(sequence_checker_);
SEQUENCE_CHECKER(sequence_checker_);
};
} // namespace content
#endif // CONTENT_BROWSER_ATTRIBUTION_REPORTING_ATTRIBUTION_RESOLVER_IMPL_H_
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