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content / browser / interest_group / for_debugging_only_report_util.cc [blame]
// 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.
#include "content/browser/interest_group/for_debugging_only_report_util.h"
#include <optional>
#include "base/time/time.h"
#include "third_party/blink/public/common/features.h"
namespace content {
std::optional<base::Time> GetSampleDebugReportStartingFrom() {
if (blink::features::kFledgeEnableFilteringDebugReportStartingFrom.Get() !=
base::Milliseconds(0)) {
// Also ceil kFledgeEnableFilteringDebugReportStartingFrom to its nearest
// next hour, in the same way as lockout and cooldown start time are ceiled.
// Otherwise, it's possible that the ceiled lockout/cooldowns collected
// before this flag being greater than the flag, which caused them not being
// ignored when they should be.
return CeilToNearestNextHour(
blink::features::kFledgeEnableFilteringDebugReportStartingFrom.Get());
}
return std::nullopt;
}
base::Time CeilToNearestNextHour(base::TimeDelta delta) {
return base::Time::FromDeltaSinceWindowsEpoch(
delta.CeilToMultiple(base::Hours(1)));
}
bool IsInDebugReportLockout(
const std::optional<base::Time>& last_report_sent_time,
const base::Time now) {
if (!last_report_sent_time.has_value()) {
return false;
}
base::Time filtering_starting_from = base::Time::FromDeltaSinceWindowsEpoch(
blink::features::kFledgeEnableFilteringDebugReportStartingFrom.Get()
.CeilToMultiple(base::Hours(1)));
bool is_lockout_before_filtering_starting =
*last_report_sent_time < filtering_starting_from;
bool is_in_lockout = *last_report_sent_time +
blink::features::kFledgeDebugReportLockout.Get() >=
now;
return !is_lockout_before_filtering_starting && is_in_lockout;
}
} // namespace content