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content / browser / attribution_reporting / attribution_suitable_context.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/attribution_reporting/attribution_suitable_context.h"
#include <stdint.h>
#include <optional>
#include <tuple>
#include <utility>
#include "base/check.h"
#include "base/feature_list.h"
#include "base/memory/weak_ptr.h"
#include "components/attribution_reporting/features.h"
#include "components/attribution_reporting/suitable_origin.h"
#include "content/browser/attribution_reporting/attribution_data_host_manager.h"
#include "content/browser/attribution_reporting/attribution_host.h"
#include "content/browser/attribution_reporting/attribution_input_event.h"
#include "content/browser/attribution_reporting/attribution_manager.h"
#include "content/browser/attribution_reporting/attribution_os_level_manager.h"
#include "content/browser/renderer_host/policy_container_host.h"
#include "content/browser/renderer_host/render_frame_host_impl.h"
#include "content/browser/web_contents/web_contents_impl.h"
#include "content/public/browser/global_routing_id.h"
#include "third_party/blink/public/mojom/permissions_policy/permissions_policy_feature.mojom-shared.h"
namespace content {
namespace {
using attribution_reporting::SuitableOrigin;
} // namespace
// static
std::optional<AttributionSuitableContext> AttributionSuitableContext::Create(
GlobalRenderFrameHostId initiator_frame_id) {
return Create(RenderFrameHostImpl::FromID(initiator_frame_id));
}
// static
std::optional<AttributionSuitableContext> AttributionSuitableContext::Create(
RenderFrameHostImpl* initiator_frame) {
if (!initiator_frame) {
return std::nullopt;
}
if (!base::FeatureList::IsEnabled(
attribution_reporting::features::kConversionMeasurement)) {
return std::nullopt;
}
if (!initiator_frame->IsFeatureEnabled(
blink::mojom::PermissionsPolicyFeature::kAttributionReporting)) {
return std::nullopt;
}
RenderFrameHostImpl* initiator_root_frame =
initiator_frame->GetOutermostMainFrame();
CHECK(initiator_root_frame);
// We need a suitable origin here because we need to be able to eventually
// store it as either the source or destination origin. Using
// `is_web_secure_context` only would allow opaque origins to pass through,
// but they cannot be handled by the storage layer.
std::optional<attribution_reporting::SuitableOrigin>
initiator_root_frame_origin = SuitableOrigin::Create(
initiator_root_frame->GetLastCommittedOrigin());
if (!initiator_root_frame_origin.has_value()) {
return std::nullopt;
}
// If the `initiator_frame` is a subframe, it's origin's security isn't
// covered by the SuitableOrigin check above, we therefore validate that it's
// origin is secure using `is_web_secure_context`.
if (initiator_frame != initiator_root_frame &&
!initiator_frame->policy_container_host()
->policies()
.is_web_secure_context) {
return std::nullopt;
}
auto* web_contents = WebContents::FromRenderFrameHost(initiator_frame);
if (!web_contents) {
return std::nullopt;
}
auto* manager = AttributionManager::FromWebContents(web_contents);
CHECK(manager);
auto* attribution_host = AttributionHost::FromWebContents(web_contents);
CHECK(attribution_host);
AttributionDataHostManager* data_host_manager = manager->GetDataHostManager();
CHECK(data_host_manager);
return AttributionSuitableContext(
/*context_origin=*/std::move(initiator_root_frame_origin.value()),
initiator_frame->IsNestedWithinFencedFrame(),
initiator_root_frame->GetGlobalId(), initiator_frame->navigation_id(),
attribution_host->GetMostRecentNavigationInputEvent(),
AttributionOsLevelManager::GetAttributionReportingOsRegistrars(
web_contents),
data_host_manager->AsWeakPtr());
}
// static
AttributionSuitableContext AttributionSuitableContext::CreateForTesting(
attribution_reporting::SuitableOrigin context_origin,
bool is_nested_within_fenced_frame,
GlobalRenderFrameHostId root_render_frame_id,
int64_t last_navigation_id,
AttributionInputEvent last_input_event,
ContentBrowserClient::AttributionReportingOsRegistrars os_registrars,
AttributionDataHostManager* attribution_data_host_manager) {
return AttributionSuitableContext(
std::move(context_origin), is_nested_within_fenced_frame,
root_render_frame_id, last_navigation_id, last_input_event, os_registrars,
attribution_data_host_manager ? attribution_data_host_manager->AsWeakPtr()
: nullptr);
}
bool AttributionSuitableContext::operator==(
const AttributionSuitableContext& other) const {
const auto tie = [](const AttributionSuitableContext& c) {
// We don't check the `attribution_data_host_manager_` property since we'd
// consider two contexts equal even if the manager is no longer available.
return std::make_tuple(c.context_origin(), c.last_input_event(),
c.is_nested_within_fenced_frame(),
c.last_navigation_id(), c.root_render_frame_id());
};
return tie(*this) == tie(other);
}
AttributionSuitableContext::AttributionSuitableContext(
attribution_reporting::SuitableOrigin context_origin,
bool is_nested_within_fenced_frame,
GlobalRenderFrameHostId root_render_frame_id,
int64_t last_navigation_id,
AttributionInputEvent last_input_event,
ContentBrowserClient::AttributionReportingOsRegistrars os_registrars,
base::WeakPtr<AttributionDataHostManager> attribution_data_host_manager)
: context_origin_(std::move(context_origin)),
is_nested_within_fenced_frame_(is_nested_within_fenced_frame),
root_render_frame_id_(root_render_frame_id),
last_navigation_id_(last_navigation_id),
last_input_event_(std::move(last_input_event)),
os_registrars_(os_registrars),
attribution_data_host_manager_(attribution_data_host_manager) {}
AttributionSuitableContext::AttributionSuitableContext(
const AttributionSuitableContext&) = default;
AttributionSuitableContext& AttributionSuitableContext::operator=(
const AttributionSuitableContext&) = default;
AttributionSuitableContext::AttributionSuitableContext(
AttributionSuitableContext&&) = default;
AttributionSuitableContext& AttributionSuitableContext::operator=(
AttributionSuitableContext&&) = default;
AttributionSuitableContext::~AttributionSuitableContext() = default;
} // namespace content