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content / browser / attribution_reporting / attribution_report.h [blame]
// Copyright 2020 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_REPORT_H_
#define CONTENT_BROWSER_ATTRIBUTION_REPORTING_ATTRIBUTION_REPORT_H_
#include <stdint.h>
#include <optional>
#include <vector>
#include "base/numerics/checked_math.h"
#include "base/time/time.h"
#include "base/types/strong_alias.h"
#include "base/uuid.h"
#include "base/values.h"
#include "components/attribution_reporting/aggregatable_trigger_config.h"
#include "components/attribution_reporting/destination_set.h"
#include "components/attribution_reporting/source_type.mojom-forward.h"
#include "components/attribution_reporting/suitable_origin.h"
#include "content/browser/aggregation_service/aggregatable_report.h"
#include "content/browser/attribution_reporting/attribution_info.h"
#include "content/browser/attribution_reporting/attribution_reporting.mojom.h"
#include "content/common/content_export.h"
#include "third_party/abseil-cpp/absl/types/variant.h"
#include "third_party/blink/public/mojom/aggregation_service/aggregatable_report.mojom-forward.h"
class GURL;
namespace content {
class StoredSource;
// Class that contains all the data needed to serialize and send an attribution
// report. This class can represent multiple different types of reports.
class CONTENT_EXPORT AttributionReport {
public:
using Type = ::attribution_reporting::mojom::ReportType;
using Id = base::StrongAlias<AttributionReport, int64_t>;
// Struct that contains the data specific to the event-level report.
struct CONTENT_EXPORT EventLevelData {
EventLevelData(uint32_t trigger_data,
int64_t priority,
const StoredSource&);
EventLevelData(const EventLevelData&);
EventLevelData& operator=(const EventLevelData&);
EventLevelData(EventLevelData&&);
EventLevelData& operator=(EventLevelData&&);
~EventLevelData();
// Data provided at trigger time by the attribution destination. Depending
// on the source type, this contains the associated data in the trigger
// redirect.
uint32_t trigger_data;
// Priority specified in conversion redirect.
int64_t priority;
attribution_reporting::SuitableOrigin source_origin;
attribution_reporting::DestinationSet destinations;
uint64_t source_event_id;
attribution_reporting::mojom::SourceType source_type;
std::optional<uint64_t> source_debug_key;
double randomized_response_rate;
bool attributed_truthfully;
friend bool operator==(const EventLevelData&,
const EventLevelData&) = default;
};
struct CONTENT_EXPORT CommonAggregatableData {
CommonAggregatableData(std::optional<attribution_reporting::SuitableOrigin>
aggregation_coordinator_origin,
attribution_reporting::AggregatableTriggerConfig);
CommonAggregatableData(const CommonAggregatableData&);
CommonAggregatableData(CommonAggregatableData&&);
CommonAggregatableData& operator=(const CommonAggregatableData&);
CommonAggregatableData& operator=(CommonAggregatableData&&);
~CommonAggregatableData();
// When updating the string, update the goldens and version history too, see
// //content/test/data/attribution_reporting/aggregatable_report_goldens/README.md
static constexpr char kVersion[] = "0.1";
static constexpr char kVersionWithFlexibleContributionFiltering[] = "1.0";
// Enum string identifying this API for use in reports.
static constexpr char kApiIdentifier[] = "attribution-reporting";
// The report assembled by the aggregation service. If null, the report has
// not been assembled yet.
std::optional<AggregatableReport> assembled_report;
std::optional<attribution_reporting::SuitableOrigin>
aggregation_coordinator_origin;
attribution_reporting::AggregatableTriggerConfig
aggregatable_trigger_config;
// When adding new members, the corresponding `operator==()` definition in
// `attribution_test_utils.h` should also be updated.
};
// Struct that contains the data specific to the aggregatable report.
struct CONTENT_EXPORT AggregatableAttributionData {
AggregatableAttributionData(
CommonAggregatableData,
std::vector<blink::mojom::AggregatableReportHistogramContribution>
contributions,
const StoredSource&);
AggregatableAttributionData(const AggregatableAttributionData&);
AggregatableAttributionData& operator=(const AggregatableAttributionData&);
AggregatableAttributionData(AggregatableAttributionData&&);
AggregatableAttributionData& operator=(AggregatableAttributionData&&);
~AggregatableAttributionData();
// Returns the sum of the contributions (values) across all buckets.
base::CheckedNumeric<int64_t> BudgetRequired() const;
CommonAggregatableData common_data;
std::vector<blink::mojom::AggregatableReportHistogramContribution>
contributions;
base::Time source_time;
std::optional<uint64_t> source_debug_key;
attribution_reporting::SuitableOrigin source_origin;
// When adding new members, the corresponding `operator==()` definition in
// `attribution_test_utils.h` should also be updated.
};
struct CONTENT_EXPORT NullAggregatableData {
NullAggregatableData(CommonAggregatableData,
base::Time fake_source_time);
NullAggregatableData(const NullAggregatableData&);
NullAggregatableData(NullAggregatableData&&);
NullAggregatableData& operator=(const NullAggregatableData&);
NullAggregatableData& operator=(NullAggregatableData&&);
~NullAggregatableData();
CommonAggregatableData common_data;
base::Time fake_source_time;
// When adding new members, the corresponding `operator==()` definition in
// `attribution_test_utils.h` should also be updated.
};
using Data = absl::variant<EventLevelData,
AggregatableAttributionData,
NullAggregatableData>;
// Returns the minimum non-null time of `a` and `b`, or `std::nullopt` if
// both are null.
static std::optional<base::Time> MinReportTime(std::optional<base::Time> a,
std::optional<base::Time> b);
AttributionReport(AttributionInfo attribution_info,
Id id,
base::Time report_time,
base::Time initial_report_time,
base::Uuid external_report_id,
int failed_send_attempts,
Data data,
attribution_reporting::SuitableOrigin reporting_origin);
AttributionReport(const AttributionReport&);
AttributionReport& operator=(const AttributionReport&);
AttributionReport(AttributionReport&&);
AttributionReport& operator=(AttributionReport&&);
~AttributionReport();
// Returns the URL to which the report will be sent.
GURL ReportURL(bool debug = false) const;
base::Value::Dict ReportBody() const;
const AttributionInfo& attribution_info() const { return attribution_info_; }
Id id() const { return id_; }
base::Time report_time() const { return report_time_; }
base::Time initial_report_time() const { return initial_report_time_; }
const base::Uuid& external_report_id() const { return external_report_id_; }
int failed_send_attempts() const { return failed_send_attempts_; }
const Data& data() const { return data_; }
Data& data() { return data_; }
Type GetReportType() const { return static_cast<Type>(data_.index()); }
std::optional<uint64_t> GetSourceDebugKey() const;
const attribution_reporting::SuitableOrigin& reporting_origin() const {
return reporting_origin_;
}
// For null aggregatable reports, this is the same as
// `AttributionInfo::context_origin` since there is no attributed source.
const attribution_reporting::SuitableOrigin& GetSourceOrigin() const;
void set_id(Id id) { id_ = id; }
void set_report_time(base::Time report_time);
bool CanDebuggingBeEnabled() const;
private:
// The attribution info.
AttributionInfo attribution_info_;
// Id assigned by storage to uniquely identify an attribution report.
Id id_;
// The time this conversion report should be sent.
base::Time report_time_;
// The originally calculated time the report should be sent.
base::Time initial_report_time_;
// External report ID for deduplicating reports received by the reporting
// origin.
base::Uuid external_report_id_;
// Number of times the browser has tried and failed to send this report.
int failed_send_attempts_;
// Only one type of data may be stored at once.
Data data_;
attribution_reporting::SuitableOrigin reporting_origin_;
// When adding new members, the corresponding `operator==()` definition in
// `attribution_test_utils.h` should also be updated.
};
} // namespace content
#endif // CONTENT_BROWSER_ATTRIBUTION_REPORTING_ATTRIBUTION_REPORT_H_