| // Copyright 2022 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "content/browser/attribution_reporting/stored_source.h" |
| |
| #include <stdint.h> |
| |
| #include <limits> |
| #include <optional> |
| #include <utility> |
| |
| #include "base/check.h" |
| #include "base/check_op.h" |
| #include "base/containers/flat_tree.h" |
| #include "base/time/time.h" |
| #include "components/attribution_reporting/aggregatable_utils.h" |
| #include "components/attribution_reporting/aggregation_keys.h" |
| #include "components/attribution_reporting/attribution_scopes_data.h" |
| #include "components/attribution_reporting/constants.h" |
| #include "components/attribution_reporting/destination_set.h" |
| #include "components/attribution_reporting/event_level_epsilon.h" |
| #include "components/attribution_reporting/event_report_windows.h" |
| #include "components/attribution_reporting/filters.h" |
| #include "components/attribution_reporting/max_event_level_reports.h" |
| #include "components/attribution_reporting/trigger_config.h" |
| #include "components/attribution_reporting/trigger_data_matching.mojom-forward.h" |
| #include "content/browser/attribution_reporting/aggregatable_named_budget_pair.h" |
| #include "content/browser/attribution_reporting/common_source_info.h" |
| |
| namespace content { |
| |
| namespace { |
| |
| bool IsExpiryOrReportWindowTimeValid(base::Time expiry_or_report_window_time, |
| base::Time source_time) { |
| // The source must expire strictly after it occurred. |
| return expiry_or_report_window_time > source_time && |
| expiry_or_report_window_time - source_time <= |
| attribution_reporting::kMaxSourceExpiry; |
| } |
| |
| bool AreFieldsValid(int remaining_aggregatable_attribution_budget, |
| int remaining_aggregatable_debug_budget, |
| double randomized_response_rate, |
| base::Time source_time, |
| base::Time expiry_time, |
| base::Time aggregatable_report_window_time, |
| std::optional<uint64_t> debug_key, |
| bool cookie_based_debug_allowed) { |
| static_assert(attribution_reporting::kMaxAggregatableValue <= |
| std::numeric_limits<int>::max() / 2); |
| |
| return attribution_reporting::IsAggregatableBudgetInRange( |
| remaining_aggregatable_attribution_budget) && |
| attribution_reporting::IsAggregatableBudgetInRange( |
| remaining_aggregatable_debug_budget) && |
| attribution_reporting::IsAggregatableBudgetInRange( |
| remaining_aggregatable_attribution_budget + |
| remaining_aggregatable_debug_budget) && |
| randomized_response_rate >= 0 && randomized_response_rate <= 1 && |
| IsExpiryOrReportWindowTimeValid(expiry_time, source_time) && |
| IsExpiryOrReportWindowTimeValid(aggregatable_report_window_time, |
| source_time) && |
| (!debug_key.has_value() || cookie_based_debug_allowed); |
| } |
| |
| } // namespace |
| |
| // static |
| std::optional<StoredSource> StoredSource::Create( |
| CommonSourceInfo common_info, |
| uint64_t source_event_id, |
| attribution_reporting::DestinationSet destination_sites, |
| base::Time source_time, |
| base::Time expiry_time, |
| attribution_reporting::TriggerDataSet trigger_data, |
| attribution_reporting::EventReportWindows event_report_windows, |
| attribution_reporting::MaxEventLevelReports max_event_level_reports, |
| base::Time aggregatable_report_window_time, |
| int64_t priority, |
| attribution_reporting::FilterData filter_data, |
| std::optional<uint64_t> debug_key, |
| attribution_reporting::AggregationKeys aggregation_keys, |
| AttributionLogic attribution_logic, |
| ActiveState active_state, |
| Id source_id, |
| int remaining_aggregatable_attribution_budget, |
| double randomized_response_rate, |
| attribution_reporting::mojom::TriggerDataMatching trigger_data_matching, |
| attribution_reporting::EventLevelEpsilon event_level_epsilon, |
| absl::uint128 aggregatable_debug_key_piece, |
| int remaining_aggregatable_debug_budget, |
| std::optional<attribution_reporting::AttributionScopesData> |
| attribution_scopes_data, |
| AggregatableNamedBudgets aggregatable_named_budgets) { |
| if (!AreFieldsValid(remaining_aggregatable_attribution_budget, |
| remaining_aggregatable_debug_budget, |
| randomized_response_rate, source_time, expiry_time, |
| aggregatable_report_window_time, debug_key, |
| common_info.cookie_based_debug_allowed())) { |
| return std::nullopt; |
| } |
| |
| return StoredSource( |
| std::move(common_info), source_event_id, std::move(destination_sites), |
| source_time, expiry_time, std::move(trigger_data), |
| std::move(event_report_windows), max_event_level_reports, |
| aggregatable_report_window_time, priority, std::move(filter_data), |
| debug_key, std::move(aggregation_keys), attribution_logic, active_state, |
| source_id, remaining_aggregatable_attribution_budget, |
| randomized_response_rate, trigger_data_matching, event_level_epsilon, |
| aggregatable_debug_key_piece, remaining_aggregatable_debug_budget, |
| std::move(attribution_scopes_data), |
| std::move(aggregatable_named_budgets)); |
| } |
| |
| StoredSource::StoredSource( |
| CommonSourceInfo common_info, |
| uint64_t source_event_id, |
| attribution_reporting::DestinationSet destination_sites, |
| base::Time source_time, |
| base::Time expiry_time, |
| attribution_reporting::TriggerDataSet trigger_data, |
| attribution_reporting::EventReportWindows event_report_windows, |
| attribution_reporting::MaxEventLevelReports max_event_level_reports, |
| base::Time aggregatable_report_window_time, |
| int64_t priority, |
| attribution_reporting::FilterData filter_data, |
| std::optional<uint64_t> debug_key, |
| attribution_reporting::AggregationKeys aggregation_keys, |
| AttributionLogic attribution_logic, |
| ActiveState active_state, |
| Id source_id, |
| int remaining_aggregatable_attribution_budget, |
| double randomized_response_rate, |
| attribution_reporting::mojom::TriggerDataMatching trigger_data_matching, |
| attribution_reporting::EventLevelEpsilon event_level_epsilon, |
| absl::uint128 aggregatable_debug_key_piece, |
| int remaining_aggregatable_debug_budget, |
| std::optional<attribution_reporting::AttributionScopesData> |
| attribution_scopes_data, |
| AggregatableNamedBudgets aggregatable_named_budgets) |
| : common_info_(std::move(common_info)), |
| source_event_id_(source_event_id), |
| destination_sites_(std::move(destination_sites)), |
| source_time_(source_time), |
| expiry_time_(expiry_time), |
| trigger_data_(std::move(trigger_data)), |
| event_report_windows_(std::move(event_report_windows)), |
| max_event_level_reports_(max_event_level_reports), |
| aggregatable_report_window_time_(aggregatable_report_window_time), |
| priority_(priority), |
| filter_data_(std::move(filter_data)), |
| debug_key_(debug_key), |
| aggregation_keys_(std::move(aggregation_keys)), |
| attribution_logic_(attribution_logic), |
| active_state_(active_state), |
| source_id_(source_id), |
| remaining_aggregatable_attribution_budget_( |
| remaining_aggregatable_attribution_budget), |
| randomized_response_rate_(randomized_response_rate), |
| trigger_data_matching_(std::move(trigger_data_matching)), |
| event_level_epsilon_(event_level_epsilon), |
| aggregatable_debug_key_piece_(aggregatable_debug_key_piece), |
| remaining_aggregatable_debug_budget_(remaining_aggregatable_debug_budget), |
| attribution_scopes_data_(std::move(attribution_scopes_data)), |
| aggregatable_named_budgets_(std::move(aggregatable_named_budgets)) { |
| CHECK(AreFieldsValid(remaining_aggregatable_attribution_budget_, |
| remaining_aggregatable_debug_budget_, |
| randomized_response_rate_, source_time_, expiry_time_, |
| aggregatable_report_window_time_, debug_key_, |
| common_info_.cookie_based_debug_allowed())); |
| } |
| |
| StoredSource::~StoredSource() = default; |
| |
| StoredSource::StoredSource(const StoredSource&) = default; |
| |
| StoredSource::StoredSource(StoredSource&&) = default; |
| |
| StoredSource& StoredSource::operator=(const StoredSource&) = default; |
| |
| StoredSource& StoredSource::operator=(StoredSource&&) = default; |
| |
| } // namespace content |
