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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/safe_browsing/notification_content_detection/notification_content_detection_util.h"
#include "base/json/json_string_value_serializer.h"
#include "base/strings/utf_string_conversions.h"
#include "base/values.h"
#include "components/optimization_guide/core/model_quality/model_quality_log_entry.h"
#include "components/safe_browsing/content/browser/notification_content_detection/notification_content_detection_constants.h"
#include "content/public/browser/notification_database_data.h"
#include "content/public/browser/platform_notification_context.h"
#include "content/public/browser/storage_partition.h"
#include "services/metrics/public/cpp/ukm_builders.h"
#include "services/metrics/public/cpp/ukm_recorder.h"
#include "third_party/blink/public/mojom/notifications/notification.mojom.h"
#include "third_party/blink/public/mojom/site_engagement/site_engagement.mojom.h"
namespace {
optimization_guide::proto::SiteEngagementScore EngagementLevelToProtoScore(
blink::mojom::EngagementLevel engagement_level) {
switch (engagement_level) {
case blink::mojom::EngagementLevel::NONE:
return optimization_guide::proto::SiteEngagementScore::
SITE_ENGAGEMENT_SCORE_NONE;
case blink::mojom::EngagementLevel::MINIMAL:
return optimization_guide::proto::SiteEngagementScore::
SITE_ENGAGEMENT_SCORE_MINIMAL;
case blink::mojom::EngagementLevel::LOW:
return optimization_guide::proto::SiteEngagementScore::
SITE_ENGAGEMENT_SCORE_LOW;
case blink::mojom::EngagementLevel::MEDIUM:
return optimization_guide::proto::SiteEngagementScore::
SITE_ENGAGEMENT_SCORE_MEDIUM;
case blink::mojom::EngagementLevel::HIGH:
return optimization_guide::proto::SiteEngagementScore::
SITE_ENGAGEMENT_SCORE_HIGH;
case blink::mojom::EngagementLevel::MAX:
return optimization_guide::proto::SiteEngagementScore::
SITE_ENGAGEMENT_SCORE_MAX;
}
NOTREACHED();
}
// Extracts the notification content detection metadata dictionary from the
// notification database data. Returns std::nullopt if the metadata is not
// present or cannot be parsed.
std::optional<base::Value::Dict> GetNotificationContentMetadata(
const content::NotificationDatabaseData& notification_database_data) {
const auto& metadata_it = notification_database_data.serialized_metadata.find(
safe_browsing::kNotificationContentDetectionMetadataDictionaryKey);
if (metadata_it == notification_database_data.serialized_metadata.end()) {
return std::nullopt;
}
JSONStringValueDeserializer deserializer(metadata_it->second);
std::unique_ptr<base::Value> metadata_value =
deserializer.Deserialize(nullptr, nullptr);
if (!metadata_value || !metadata_value->is_dict()) {
DVLOG(1) << "Failed to parse notification content metadata.";
return std::nullopt;
}
return std::move(*metadata_value).TakeDict();
}
} // namespace
namespace safe_browsing {
NotificationContentDetectionMQLSMetadata::
NotificationContentDetectionMQLSMetadata(
bool did_show_warning,
bool did_user_unsubscribe,
blink::mojom::EngagementLevel site_engagement_score)
: did_show_warning_(did_show_warning),
did_user_unsubscribe_(did_user_unsubscribe),
site_engagement_score_(site_engagement_score) {}
void SendNotificationContentDetectionDataToMQLSServer(
base::WeakPtr<optimization_guide::ModelQualityLogsUploaderService>
logs_uploader_service,
NotificationContentDetectionMQLSMetadata mqls_metadata,
bool success,
const content::NotificationDatabaseData& notification_database_data) {
if (!success) {
return;
}
// Create `NotificationContents`, for logging.
auto notification_contents =
std::make_unique<optimization_guide::proto::NotificationContents>();
notification_contents->set_notification_title(
base::UTF16ToUTF8(notification_database_data.notification_data.title));
notification_contents->set_notification_message(
base::UTF16ToUTF8(notification_database_data.notification_data.body));
for (const auto& action :
notification_database_data.notification_data.actions) {
notification_contents->add_notification_action_labels(
base::UTF16ToUTF8(action->title));
}
notification_contents->set_url(notification_database_data.origin.spec());
// Create `NotificationContentDetectionRequest`,
// `NotificationContentDetectionResponse`, and
// `NotificationContentDetectionQuality`, for logging.
auto ncd_request = std::make_unique<
optimization_guide::proto::NotificationContentDetectionRequest>();
*ncd_request->mutable_notification_contents() = *notification_contents;
auto ncd_response = std::make_unique<
optimization_guide::proto::NotificationContentDetectionResponse>();
auto ncd_quality = std::make_unique<
optimization_guide::proto::NotificationContentDetectionQuality>();
// Add metadata to log if it's defined in the `notification_database_data`.
std::optional<base::Value::Dict> metadata_dict =
GetNotificationContentMetadata(notification_database_data);
if (metadata_dict.has_value()) {
std::optional<bool> is_origin_allowlisted_by_user =
metadata_dict->FindBool(kMetadataIsOriginAllowlistedByUserKey);
if (is_origin_allowlisted_by_user.has_value()) {
ncd_quality->set_did_user_always_allow_url(
is_origin_allowlisted_by_user.value());
}
std::optional<bool> is_origin_on_global_cache_list =
metadata_dict->FindBool(kMetadataIsOriginOnGlobalCacheListKey);
if (is_origin_on_global_cache_list.has_value()) {
ncd_quality->set_is_url_on_allowlist(
is_origin_on_global_cache_list.value());
}
std::optional<double> suspicious_score =
metadata_dict->FindDouble(kMetadataSuspiciousScoreKey);
if (suspicious_score.has_value()) {
ncd_response->set_suspicious_score(suspicious_score.value());
}
}
ncd_quality->set_was_user_shown_warning(mqls_metadata.did_show_warning_);
ncd_quality->set_did_user_unsubscribe(mqls_metadata.did_user_unsubscribe_);
ncd_quality->set_site_engagement_score(
EngagementLevelToProtoScore(mqls_metadata.site_engagement_score_));
// Create `NotificationContentDetectionLoggingData`, for uploading the log.
std::unique_ptr<
optimization_guide::proto::NotificationContentDetectionLoggingData>
logging_data = std::make_unique<
optimization_guide::proto::NotificationContentDetectionLoggingData>();
*logging_data->mutable_request() = *ncd_request;
*logging_data->mutable_response() = *ncd_response;
*logging_data->mutable_quality() = *ncd_quality;
// Upload log.
auto log_entry = std::make_unique<optimization_guide::ModelQualityLogEntry>(
logs_uploader_service);
*log_entry->log_ai_data_request()->mutable_notification_content_detection() =
*logging_data;
optimization_guide::ModelQualityLogEntry::Upload(std::move(log_entry));
}
void NotificationContentDetectionUkmUtil::
RecordSuspiciousNotificationInteractionUkm(int suspicious_interaction_type,
const GURL& requesting_origin,
std::string notification_id,
Profile* profile) {
if (profile && profile->GetStoragePartitionForUrl(requesting_origin) &&
profile->GetStoragePartitionForUrl(requesting_origin)
->GetPlatformNotificationContext() &&
!notification_id.empty()) {
auto* notification_context =
profile->GetStoragePartitionForUrl(requesting_origin)
->GetPlatformNotificationContext();
notification_context->ReadNotificationDataAndRecordInteraction(
notification_id, requesting_origin,
content::PlatformNotificationContext::Interaction::NONE,
base::BindOnce(&NotificationContentDetectionUkmUtil::
DoRecordSuspiciousNotificationInteractionUkm,
suspicious_interaction_type, requesting_origin));
} else {
DoRecordSuspiciousNotificationInteractionUkm(
suspicious_interaction_type, requesting_origin,
/*is_database_data_found=*/false, content::NotificationDatabaseData());
}
}
void NotificationContentDetectionUkmUtil::
DoRecordSuspiciousNotificationInteractionUkm(
int suspicious_interaction_type,
const GURL& requesting_origin,
bool is_database_data_found,
const content::NotificationDatabaseData& notification_database_data) {
// Setup builder for logging the UKM.
ukm::SourceId source_id = ukm::UkmRecorder::GetSourceIdForNotificationEvent(
base::PassKey<NotificationContentDetectionUkmUtil>(), requesting_origin);
ukm::builders::SuspiciousNotificationInteraction builder(source_id);
builder.SetSuspiciousInteractionType(suspicious_interaction_type);
// If a suspicious score can be found in `notification_database_data`, then
// set the value on the UKM builder.
if (is_database_data_found) {
std::optional<base::Value::Dict> metadata_dict =
GetNotificationContentMetadata(notification_database_data);
if (metadata_dict.has_value()) {
std::optional<double> suspicious_score =
metadata_dict->FindDouble(kMetadataSuspiciousScoreKey);
if (suspicious_score.has_value()) {
builder.SetSuspiciousScore(suspicious_score.value());
}
}
}
// Log the UKM.
builder.Record(ukm::UkmRecorder::Get());
}
} // namespace safe_browsing
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