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// 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/private_aggregation/private_aggregation_budget_key.h"
#include <optional>
#include "base/check.h"
#include "base/time/time.h"
#include "content/browser/private_aggregation/private_aggregation_caller_api.h"
#include "services/network/public/cpp/is_potentially_trustworthy.h"
#include "url/origin.h"
namespace content {
namespace {
base::Time FloorToDuration(base::Time time) {
// `FloorToMultiple` would no-op on `base::Time::Max()`.
CHECK(!time.is_max());
return base::Time() + time.since_origin().FloorToMultiple(
PrivateAggregationBudgetKey::TimeWindow::kDuration);
}
} // namespace
PrivateAggregationBudgetKey::TimeWindow::TimeWindow(base::Time start_time)
: start_time_(FloorToDuration(start_time)) {}
PrivateAggregationBudgetKey::PrivateAggregationBudgetKey(
url::Origin origin,
base::Time api_invocation_time,
PrivateAggregationCallerApi caller_api)
: origin_(std::move(origin)),
time_window_(api_invocation_time),
caller_api_(caller_api) {
CHECK(network::IsOriginPotentiallyTrustworthy(origin_));
}
std::optional<PrivateAggregationBudgetKey> PrivateAggregationBudgetKey::Create(
url::Origin origin,
base::Time api_invocation_time,
PrivateAggregationCallerApi caller_api) {
if (!network::IsOriginPotentiallyTrustworthy(origin)) {
return std::nullopt;
}
return PrivateAggregationBudgetKey(std::move(origin), api_invocation_time,
caller_api);
}
PrivateAggregationBudgetKey PrivateAggregationBudgetKey::CreateForTesting(
url::Origin origin,
base::Time api_invocation_time,
PrivateAggregationCallerApi caller_api) {
return PrivateAggregationBudgetKey(std::move(origin), api_invocation_time,
caller_api);
}
} // namespace content
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