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// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/page_info/core/about_this_site_service.h"
#include "base/feature_list.h"
#include "base/metrics/histogram_functions.h"
#include "components/optimization_guide/core/hints/hints_processing_util.h"
#include "components/optimization_guide/core/hints/optimization_guide_decision.h"
#include "components/optimization_guide/core/hints/optimization_metadata.h"
#include "components/page_info/core/about_this_site_validation.h"
#include "components/page_info/core/features.h"
#include "components/page_info/core/proto/about_this_site_metadata.pb.h"
#include "components/search/search.h"
#include "components/search_engines/template_url_service.h"
#include "net/base/url_util.h"
#include "services/metrics/public/cpp/ukm_builders.h"
#include "services/metrics/public/cpp/ukm_recorder.h"
#include "url/gurl.h"
namespace page_info {
namespace {
using AboutThisSiteStatus = about_this_site_validation::AboutThisSiteStatus;
using AboutThisSiteInteraction = AboutThisSiteService::AboutThisSiteInteraction;
using OptimizationGuideDecision = optimization_guide::OptimizationGuideDecision;
void RecordAboutThisSiteInteraction(AboutThisSiteInteraction interaction) {
base::UmaHistogramEnumeration("Security.PageInfo.AboutThisSiteInteraction",
interaction);
}
} // namespace
AboutThisSiteService::AboutThisSiteService(
optimization_guide::OptimizationGuideDecider* optimization_guide_decider,
bool is_off_the_record,
PrefService* prefs,
TemplateURLService* template_url_service)
: optimization_guide_decider_(optimization_guide_decider),
is_off_the_record_(is_off_the_record),
prefs_(prefs),
template_url_service_(template_url_service) {
if (optimization_guide_decider_) {
optimization_guide_decider_->RegisterOptimizationTypes(
{optimization_guide::proto::ABOUT_THIS_SITE});
}
}
std::optional<proto::SiteInfo> AboutThisSiteService::GetAboutThisSiteInfo(
const GURL& url,
ukm::SourceId source_id,
const TabHelper* tab_helper) const {
if (!search::DefaultSearchProviderIsGoogle(template_url_service_)) {
RecordAboutThisSiteInteraction(
AboutThisSiteInteraction::kNotShownNonGoogleDSE);
return std::nullopt;
}
if (!optimization_guide::IsValidURLForURLKeyedHint(url)) {
RecordAboutThisSiteInteraction(
AboutThisSiteInteraction::kNotShownLocalHost);
return std::nullopt;
}
if (!IsOptimizationGuideAllowed()) {
RecordAboutThisSiteInteraction(
AboutThisSiteInteraction::kNotShownOptimizationGuideNotAllowed);
return std::nullopt;
}
std::optional<proto::AboutThisSiteMetadata> about_this_site_metadata;
optimization_guide::OptimizationGuideDecision decision;
if (tab_helper) {
std::tie(decision, about_this_site_metadata) =
tab_helper->GetAboutThisSiteMetadata();
} else {
optimization_guide::OptimizationMetadata metadata;
decision = CanApplyOptimization(url, &metadata);
about_this_site_metadata =
metadata.ParsedMetadata<proto::AboutThisSiteMetadata>();
}
AboutThisSiteStatus status =
decision == OptimizationGuideDecision::kUnknown
? AboutThisSiteStatus::kUnknown
: about_this_site_validation::ValidateMetadata(
about_this_site_metadata);
base::UmaHistogramEnumeration("Security.PageInfo.AboutThisSiteStatus",
status);
RecordAboutThisSiteInteraction(
status == AboutThisSiteStatus::kValid
? (about_this_site_metadata->site_info().has_description()
? AboutThisSiteInteraction::kShownWithDescription
: AboutThisSiteInteraction::kShownWithoutDescription)
: AboutThisSiteInteraction::kNotShown);
ukm::builders::AboutThisSiteStatus(source_id)
.SetStatus(static_cast<int>(status))
.Record(ukm::UkmRecorder::Get());
if (status == AboutThisSiteStatus::kValid) {
if (about_this_site_metadata->site_info().has_more_about()) {
// Append a context parameter to identify that this URL is visited from
// Chrome. If we add more UI surfaces that can open this URL, we should
// pass in different context parameters.
proto::MoreAbout* more_about =
about_this_site_metadata->mutable_site_info()->mutable_more_about();
GURL more_about_url =
net::AppendQueryParameter(GURL(more_about->url()), "ctx", "chrome");
more_about->set_url(more_about_url.spec());
}
return about_this_site_metadata->site_info();
}
if (kShowSampleContent.Get()) {
page_info::proto::SiteInfo site_info;
if (url == GURL("https://example.com")) {
site_info.mutable_more_about()->set_url(
"https://example.com/#more-about");
return site_info;
}
if (url == GURL("https://permission.site")) {
auto* description = site_info.mutable_description();
description->set_name("Permission Site");
description->set_subtitle("Testing site");
description->set_description(
"A site containing test buttons for various browser APIs, in order"
" to trigger permission dialogues and similar UI in modern "
"browsers.");
description->mutable_source()->set_url("https://permission.site.com");
description->mutable_source()->set_label("Permission Site");
return site_info;
}
}
return std::nullopt;
}
// static
GURL AboutThisSiteService::CreateMoreAboutUrlForNavigation(const GURL& url) {
GURL more_about_url = GURL("https://www.google.com/search");
// Strip paths of invalid urls
const std::string url_spec =
optimization_guide::IsValidURLForURLKeyedHint(url)
? url.spec()
: url.GetWithEmptyPath().spec();
more_about_url =
net::AppendQueryParameter(more_about_url, "q", "About " + url_spec);
more_about_url = net::AppendQueryParameter(more_about_url, "tbm", "ilp");
more_about_url =
net::AppendQueryParameter(more_about_url, "ctx", "chrome_nav");
return more_about_url;
}
// static
void AboutThisSiteService::OnAboutThisSiteRowClicked(bool with_description) {
RecordAboutThisSiteInteraction(
with_description ? AboutThisSiteInteraction::kClickedWithDescription
: AboutThisSiteInteraction::kClickedWithoutDescription);
}
// static
void AboutThisSiteService::OnOpenedDirectlyFromSidePanel() {
RecordAboutThisSiteInteraction(
AboutThisSiteInteraction::kOpenedDirectlyFromSidePanel);
}
// static
void AboutThisSiteService::OnSameTabNavigation() {
RecordAboutThisSiteInteraction(AboutThisSiteInteraction::kSameTabNavigation);
}
base::WeakPtr<AboutThisSiteService> AboutThisSiteService::GetWeakPtr() {
return weak_ptr_factory_.GetWeakPtr();
}
AboutThisSiteService::~AboutThisSiteService() = default;
bool AboutThisSiteService::IsOptimizationGuideAllowed() const {
return optimization_guide::IsUserPermittedToFetchFromRemoteOptimizationGuide(
is_off_the_record_, prefs_);
}
optimization_guide::OptimizationGuideDecision
AboutThisSiteService::CanApplyOptimization(
const GURL& url,
optimization_guide::OptimizationMetadata* optimization_metadata) const {
if (!IsOptimizationGuideAllowed()) {
return optimization_guide::OptimizationGuideDecision::kUnknown;
}
return optimization_guide_decider_->CanApplyOptimization(
url, optimization_guide::proto::ABOUT_THIS_SITE, optimization_metadata);
}
} // namespace page_info
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