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// Copyright 2025 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/loader/from_gws_navigation_and_keep_alive_request_observer.h"
#include "chrome/browser/loader/from_gws_navigation_and_keep_alive_request_tracker.h"
#include "chrome/browser/loader/from_gws_navigation_and_keep_alive_request_tracker_factory.h"
#include "chrome/browser/profiles/profile.h"
#include "components/page_load_metrics/browser/features.h"
#include "components/page_load_metrics/browser/page_load_metrics_util.h"
#include "components/page_load_metrics/google/browser/google_url_util.h"
#include "content/public/browser/navigation_handle.h"
#include "content/public/browser/render_frame_host.h"
#include "content/public/browser/web_contents.h"
#include "services/metrics/public/cpp/ukm_builders.h"
#include "services/metrics/public/cpp/ukm_recorder.h"
#include "services/network/public/cpp/resource_request.h"
FromGWSNavigationAndKeepAliveRequestObserver::
FromGWSNavigationAndKeepAliveRequestObserver(
content::WebContents* web_contents)
: content::WebContentsObserver(web_contents) {}
FromGWSNavigationAndKeepAliveRequestObserver::
~FromGWSNavigationAndKeepAliveRequestObserver() = default;
// static
std::unique_ptr<FromGWSNavigationAndKeepAliveRequestObserver>
FromGWSNavigationAndKeepAliveRequestObserver::MaybeCreateForWebContents(
content::WebContents* web_contents) {
if (!web_contents) {
return nullptr;
}
if (!base::FeatureList::IsEnabled(
page_load_metrics::features::kBeaconLeakageLogging)) {
return nullptr;
}
return base::WrapUnique(
new FromGWSNavigationAndKeepAliveRequestObserver(web_contents));
}
void FromGWSNavigationAndKeepAliveRequestObserver::DidStartNavigation(
content::NavigationHandle* navigation_handle) {
CHECK(navigation_handle);
if (!base::FeatureList::IsEnabled(
page_load_metrics::features::kBeaconLeakageLogging)) {
return;
}
// Ensures the navigation is initiated from a Google SRP.
if (!navigation_handle->GetInitiatorFrameToken().has_value()) {
return;
}
content::RenderFrameHost* initiator_rfh =
content::RenderFrameHost::FromFrameToken(
content::GlobalRenderFrameHostToken(
navigation_handle->GetInitiatorProcessId(),
navigation_handle->GetInitiatorFrameToken().value()));
if (!initiator_rfh) {
return;
}
GURL url = initiator_rfh->GetLastCommittedURL();
if (!page_load_metrics::IsGoogleSearchResultUrl(url)) {
return;
}
if (initiator_rfh->IsInLifecycleState(
content::RenderFrameHost::LifecycleState::kPrerendering)) {
// Skips navigations from prerendering pages, which are not eligible for
// UKM logging.
return;
}
auto navigation_category_id =
page_load_metrics::GetCategoryIdFromUrl(navigation_handle->GetURL());
if (!navigation_category_id.has_value()) {
return;
}
auto* tracker =
FromGWSNavigationAndKeepAliveRequestTrackerFactory::GetForProfile(
Profile::FromBrowserContext(web_contents()->GetBrowserContext()));
if (!tracker) {
return;
}
tracker->TrackNavigation(initiator_rfh->GetGlobalId(),
*navigation_category_id,
initiator_rfh->GetPageUkmSourceId(),
navigation_handle->GetNavigationId());
}
void FromGWSNavigationAndKeepAliveRequestObserver::OnKeepAliveRequestCreated(
const network::ResourceRequest& request,
content::RenderFrameHost* initiator_rfh) {
CHECK(initiator_rfh);
CHECK(request.keepalive);
CHECK(request.keepalive_token.has_value());
if (!base::FeatureList::IsEnabled(
page_load_metrics::features::kBeaconLeakageLogging)) {
return;
}
// Ensures the request is initiated from a Google SRP.
GURL url = initiator_rfh->GetLastCommittedURL();
if (!page_load_metrics::IsGoogleSearchResultUrl(url)) {
return;
}
if (initiator_rfh->IsInLifecycleState(
content::RenderFrameHost::LifecycleState::kPrerendering)) {
// Skips navigations from prerendering pages, which are not eligible for
// UKM logging.
return;
}
// The request and the initiator page must have the same category ID.
auto request_category_id =
page_load_metrics::GetCategoryIdFromUrl(request.url);
if (!request_category_id.has_value()) {
return;
}
auto* tracker =
FromGWSNavigationAndKeepAliveRequestTrackerFactory::GetForProfile(
Profile::FromBrowserContext(web_contents()->GetBrowserContext()));
if (!tracker) {
return;
}
tracker->TrackKeepAliveRequest(
initiator_rfh->GetGlobalId(), *request_category_id,
initiator_rfh->GetPageUkmSourceId(), *request.keepalive_token);
}
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