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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_telemetry/notification_telemetry_service.h"
#include <cstdint>
#include "base/base_paths.h"
#include "base/files/file.h"
#include "base/path_service.h"
#include "base/task/single_thread_task_runner.h"
#include "base/task/thread_pool.h"
#include "base/test/metrics/histogram_tester.h"
#include "base/test/mock_callback.h"
#include "base/test/scoped_feature_list.h"
#include "chrome/test/base/testing_profile.h"
#include "components/prefs/testing_pref_service.h"
#include "components/safe_browsing/content/browser/notification_content_detection/mock_safe_browsing_database_manager.h"
#include "components/safe_browsing/core/common/features.h"
#include "components/safe_browsing/core/common/proto/csd.pb.h"
#include "content/public/browser/service_worker_registration_information.h"
#include "content/public/test/browser_task_environment.h"
#include "content/public/test/service_worker_test_helpers.h"
#include "extensions/browser/service_worker/service_worker_test_utils.h"
#include "services/network/public/cpp/shared_url_loader_factory.h"
#include "services/network/public/cpp/weak_wrapper_shared_url_loader_factory.h"
#include "services/network/test/test_url_loader_factory.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace safe_browsing {
const char kSbIncidentReportUrl[] =
"https://sb-ssl.google.com/safebrowsing/clientreport/incident";
class NotificationTelemetryServiceTest : public ::testing::Test {
public:
NotificationTelemetryServiceTest() = default;
void SetUp() override {
scoped_feature_list_.InitAndEnableFeature(kNotificationTelemetry);
database_manager_ = new MockSafeBrowsingDatabaseManager();
profile_.GetPrefs()->SetBoolean(prefs::kSafeBrowsingEnhanced, true);
notification_telemetry_service_ =
std::make_unique<NotificationTelemetryService>(
&profile_, test_url_loader_factory_.GetSafeWeakWrapper(),
database_manager_);
}
void TearDown() override { notification_telemetry_service_.reset(); }
scoped_refptr<MockSafeBrowsingDatabaseManager> database_manager() {
return database_manager_;
}
base::HistogramTester& histogram_tester() { return histogram_tester_; }
std::unique_ptr<NotificationTelemetryService> notification_telemetry_service_;
network::TestURLLoaderFactory test_url_loader_factory_;
private:
content::BrowserTaskEnvironment task_environment_;
TestingProfile profile_;
scoped_refptr<MockSafeBrowsingDatabaseManager> database_manager_;
base::test::ScopedFeatureList scoped_feature_list_;
base::HistogramTester histogram_tester_;
};
TEST_F(NotificationTelemetryServiceTest, Initializes) {
ASSERT_NE(notification_telemetry_service_.get(), nullptr);
}
TEST_F(NotificationTelemetryServiceTest, SendsTelemetryReport) {
const GURL scope("https://nonallowlisted_url.com/");
const GURL scope2("https://allowlisted_url.com/");
const GURL scope3("https://nonallowlisted_url_2.com/");
const GURL import_URL("https://import_script.com/script.js");
int64_t registration_id_1 = 0451;
int64_t registration_id_2 = 0452;
int64_t registration_id_3 = 0453;
// This service worker will be fully reported.
content::ServiceWorkerRegistrationInformation service_worker_info_1;
service_worker_info_1.resources.push_back(import_URL);
// This service worker will not be reported because it's scope is in
// the allowlist.
content::ServiceWorkerRegistrationInformation service_worker_info_2;
service_worker_info_2.resources.push_back(import_URL);
// This service worker will not be reported because it does not
// import scripts from a different origin.
content::ServiceWorkerRegistrationInformation service_worker_info_3;
service_worker_info_3.resources.push_back(scope3);
database_manager()->SetAllowlistLookupDetailsForUrl(scope2, /*match=*/true);
notification_telemetry_service_->OnRegistrationStored(
registration_id_2, scope2, service_worker_info_2);
database_manager()->SetAllowlistLookupDetailsForUrl(scope, /*match=*/false);
notification_telemetry_service_->OnRegistrationStored(
registration_id_1, scope, service_worker_info_1);
database_manager()->SetAllowlistLookupDetailsForUrl(scope3, /*match=*/false);
notification_telemetry_service_->OnRegistrationStored(
registration_id_3, scope3, service_worker_info_3);
histogram_tester().ExpectBucketCount(
/*name=*/
"SafeBrowsing.NotificationTelemetry.ServiceWorkerScopeURL.IsAllowlisted",
/*sample=*/true,
/*expected_bucket_count=*/1);
histogram_tester().ExpectBucketCount(
/*name=*/
"SafeBrowsing.NotificationTelemetry.ServiceWorkerScopeURL.IsAllowlisted",
/*sample=*/false,
/*expected_bucket_count=*/1);
test_url_loader_factory_.AddResponse(kSbIncidentReportUrl, "", net::HTTP_OK);
notification_telemetry_service_->OnNewNotificationServiceWorkerSubscription(
registration_id_1);
notification_telemetry_service_->OnNewNotificationServiceWorkerSubscription(
registration_id_2);
notification_telemetry_service_->OnNewNotificationServiceWorkerSubscription(
registration_id_3);
// One pending as scope1 and scope3 SWs did not generate report data.
EXPECT_EQ(1, test_url_loader_factory_.NumPending());
test_url_loader_factory_.SimulateResponseForPendingRequest(
kSbIncidentReportUrl, "", net::HTTP_OK,
network::TestURLLoaderFactory::kUrlMatchPrefix);
// One report generated.
histogram_tester().ExpectUniqueSample(
/*name=*/"SafeBrowsing.NotificationTelemetry.NetworkResult",
/*sample=*/net::HTTP_OK,
/*expected_bucket_count=*/1);
}
TEST_F(NotificationTelemetryServiceTest, EnforcesServiceWorkerInfoCacheSize) {
const GURL scope("https://nonallowlisted_url.com/");
const GURL scope2("https://nonallowlisted_url_2.com/");
const GURL import_URL("https://import_script.com/script.js");
int64_t registration_id_1 = 0451;
int64_t registration_id_2 = 0452;
// This service worker will be fully reported.
content::ServiceWorkerRegistrationInformation service_worker_info_1;
service_worker_info_1.resources.push_back(import_URL);
database_manager()->SetAllowlistLookupDetailsForUrl(scope, /*match=*/false);
notification_telemetry_service_->OnRegistrationStored(
registration_id_1, scope, service_worker_info_1);
// Second valid service worker info
database_manager()->SetAllowlistLookupDetailsForUrl(scope2, /*match=*/false);
content::ServiceWorkerRegistrationInformation service_worker_info_2;
service_worker_info_2.resources.push_back(import_URL);
// Fill the Notification Telemetry Service service worker to the size of
// the cache. This will cause the first SW registration to be evicted.
int cache_size =
NotificationTelemetryService::ServiceWorkerInfoCacheSizeForTest();
for (int counter = 0; counter < cache_size; counter++) {
notification_telemetry_service_->OnRegistrationStored(
(registration_id_2 + counter), scope2, service_worker_info_2);
}
// Try to trigger an upload of the first SW worker. Since the service worker
// info cache no longer contains a corresponding entry, there should be no
// match and hence no upload of a report will be attempted.
notification_telemetry_service_->OnNewNotificationServiceWorkerSubscription(
registration_id_1);
EXPECT_EQ(0, test_url_loader_factory_.NumPending());
}
} // namespace safe_browsing
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