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// Copyright 2015 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/incident_reporting/extension_data_collection.h"
#include <memory>
#include <utility>
#include "base/command_line.h"
#include "base/memory/raw_ptr.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/utf_string_conversions.h"
#include "build/build_config.h"
#include "chrome/browser/extensions/install_signer.h"
#include "chrome/browser/extensions/test_extension_system.h"
#include "chrome/browser/prefs/browser_prefs.h"
#include "chrome/browser/profiles/profile_manager.h"
#include "chrome/common/pref_names.h"
#include "chrome/test/base/testing_browser_process.h"
#include "chrome/test/base/testing_profile.h"
#include "chrome/test/base/testing_profile_manager.h"
#include "components/safe_browsing/core/common/proto/csd.pb.h"
#include "components/safe_browsing/core/common/safe_browsing_prefs.h"
#include "components/sync_preferences/testing_pref_service_syncable.h"
#include "content/public/test/browser_task_environment.h"
#include "content/public/test/test_utils.h"
#include "extensions/browser/disable_reason.h"
#include "extensions/browser/extension_prefs.h"
#include "extensions/browser/extension_registrar.h"
#include "extensions/browser/extension_registry.h"
#include "extensions/common/extension.h"
#include "extensions/common/extension_builder.h"
#include "extensions/common/extension_id.h"
#include "extensions/common/extension_set.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#if BUILDFLAG(IS_CHROMEOS)
#include "chrome/browser/ash/login/users/user_manager_delegate_impl.h"
#include "chrome/browser/ash/settings/scoped_cros_settings_test_helper.h"
#include "chrome/browser/browser_process.h"
#include "chromeos/ash/components/settings/cros_settings.h"
#include "components/user_manager/scoped_user_manager.h"
#include "components/user_manager/user_manager_impl.h"
#endif
using ::testing::StrictMock;
namespace {
class ExtensionTestingProfile : public TestingProfile {
public:
explicit ExtensionTestingProfile(TestingProfile* profile);
void AddExtension(
std::string extension_id = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
std::string extension_name = "Test Extension",
base::Time install_time = base::Time::Now(),
std::string version = "1",
std::string description = "Test extension",
std::string update_url =
"https://clients2.google.com/service/update2/crx",
const extensions::DisableReasonSet& disable_reasons = {});
void SetInstallSignature(extensions::InstallSignature signature);
private:
raw_ptr<TestingProfile> profile_;
raw_ptr<extensions::ExtensionPrefs> extension_prefs_;
};
ExtensionTestingProfile::ExtensionTestingProfile(TestingProfile* profile)
: profile_(profile) {
base::CommandLine command_line(base::CommandLine::NO_PROGRAM);
extensions::TestExtensionSystem* test_extension_system =
static_cast<extensions::TestExtensionSystem*>(
extensions::ExtensionSystem::Get(profile_));
test_extension_system->CreateExtensionService(
&command_line, base::FilePath() /* install_directory */,
false /* autoupdate_enabled */);
extension_prefs_ = extensions::ExtensionPrefs::Get(profile_);
}
void ExtensionTestingProfile::AddExtension(
std::string extension_id,
std::string extension_name,
base::Time install_time,
std::string version,
std::string description,
std::string update_url,
const extensions::DisableReasonSet& disable_reasons) {
scoped_refptr<const extensions::Extension> extension =
extensions::ExtensionBuilder()
.SetID(extension_id)
.SetManifest(base::Value::Dict()
.Set("name", extension_name)
.Set("version", version)
.Set("manifest_version", 2)
.Set("description", description)
.Set("update_url", update_url))
.Build();
// Install the extension.
auto* extension_registrar = extensions::ExtensionRegistrar::Get(profile_);
extension_registrar->AddExtension(extension);
extension_prefs_->UpdateExtensionPref(
extension_id, "last_update_time",
base::Value(base::NumberToString(install_time.ToInternalValue())));
if (!disable_reasons.empty()) {
extension_registrar->DisableExtension(extension_id, disable_reasons);
}
}
void ExtensionTestingProfile::SetInstallSignature(
extensions::InstallSignature signature) {
base::Value::Dict signature_dict = signature.ToDict();
extension_prefs_->SetInstallSignature(&signature_dict);
}
} // namespace
namespace safe_browsing {
class ExtensionDataCollectionTest : public testing::Test {
protected:
// A type for specifying whether a profile created by CreateProfile
// participates in safe browsing and safe browsing extended reporting.
enum SafeBrowsingDisposition {
OPT_OUT,
SAFE_BROWSING_ONLY,
EXTENDED_REPORTING_ONLY,
SAFE_BROWSING_AND_EXTENDED_REPORTING,
};
ExtensionDataCollectionTest() = default;
void SetUp() override {
testing::Test::SetUp();
profile_manager_ = std::make_unique<TestingProfileManager>(
TestingBrowserProcess::GetGlobal());
ASSERT_TRUE(profile_manager_->SetUp());
#if BUILDFLAG(IS_CHROMEOS)
user_manager_.Reset(std::make_unique<user_manager::UserManagerImpl>(
std::make_unique<ash::UserManagerDelegateImpl>(),
g_browser_process->local_state(), ash::CrosSettings::Get()));
#endif
}
void TearDown() override {
#if BUILDFLAG(IS_CHROMEOS)
// UserManager should be destroyed before TestingBrowserProcess as it
// uses it in destructor.
user_manager_.Reset();
// Finish any pending tasks before deleting the TestingBrowserProcess.
task_environment_.RunUntilIdle();
#endif
profile_manager_.reset();
TestingBrowserProcess::DeleteInstance();
testing::Test::TearDown();
}
std::unique_ptr<ExtensionTestingProfile> CreateProfile(
SafeBrowsingDisposition safe_browsing_opt_in) {
std::string profile_name("profile");
profile_name.append(base::NumberToString(++profile_number_));
// Create prefs for the profile and safe browsing preferences accordingly.
std::unique_ptr<sync_preferences::TestingPrefServiceSyncable> prefs(
new sync_preferences::TestingPrefServiceSyncable);
RegisterUserProfilePrefs(prefs->registry());
prefs->SetBoolean(
prefs::kSafeBrowsingEnabled,
safe_browsing_opt_in == SAFE_BROWSING_ONLY ||
safe_browsing_opt_in == SAFE_BROWSING_AND_EXTENDED_REPORTING);
safe_browsing::SetExtendedReportingPrefForTests(
prefs.get(),
safe_browsing_opt_in == EXTENDED_REPORTING_ONLY ||
safe_browsing_opt_in == SAFE_BROWSING_AND_EXTENDED_REPORTING);
TestingProfile* profile = profile_manager_->CreateTestingProfile(
profile_name, std::move(prefs),
base::UTF8ToUTF16(profile_name), // user_name
0, // avatar_id
TestingProfile::TestingFactories());
auto testing_profile = std::make_unique<ExtensionTestingProfile>(profile);
task_environment_.RunUntilIdle();
return testing_profile;
}
content::BrowserTaskEnvironment task_environment_;
std::unique_ptr<TestingProfileManager> profile_manager_;
private:
int profile_number_ = 0;
#if BUILDFLAG(IS_CHROMEOS)
ash::ScopedCrosSettingsTestHelper cros_settings_test_helper_;
user_manager::ScopedUserManager user_manager_;
#endif
};
TEST_F(ExtensionDataCollectionTest, CollectExtensionDataNoExtensions) {
std::unique_ptr<ExtensionTestingProfile> profile =
CreateProfile(SAFE_BROWSING_AND_EXTENDED_REPORTING);
ClientIncidentReport_ExtensionData data;
CollectExtensionData(&data);
ASSERT_FALSE(data.has_last_installed_extension());
}
TEST_F(ExtensionDataCollectionTest, CollectExtensionDataNoSafeBrowsing) {
std::unique_ptr<ExtensionTestingProfile> profile =
CreateProfile(EXTENDED_REPORTING_ONLY);
profile->AddExtension();
ClientIncidentReport_ExtensionData data;
CollectExtensionData(&data);
ASSERT_FALSE(data.has_last_installed_extension());
}
TEST_F(ExtensionDataCollectionTest, CollectExtensionDataNoExtendedReporting) {
std::unique_ptr<ExtensionTestingProfile> profile =
CreateProfile(SAFE_BROWSING_ONLY);
profile->AddExtension();
ClientIncidentReport_ExtensionData data;
CollectExtensionData(&data);
ASSERT_FALSE(data.has_last_installed_extension());
}
TEST_F(ExtensionDataCollectionTest, CollectExtensionDataWithExtension) {
std::string extension_id = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa";
std::string extension_name = "my_test_extension";
base::Time install_time = base::Time::Now();
std::string version = "1.4.2";
std::string description = "Test Extension";
std::string update_url = "https://www.chromium.org";
std::unique_ptr<ExtensionTestingProfile> profile =
CreateProfile(SAFE_BROWSING_AND_EXTENDED_REPORTING);
profile->AddExtension(extension_id, extension_name, install_time, version,
description, update_url, /*disable_reasons=*/{});
extensions::ExtensionIdSet valid_ids;
extensions::ExtensionIdSet invalid_ids;
invalid_ids.insert(extension_id);
extensions::InstallSignature signature = {};
signature.ids = valid_ids;
signature.invalid_ids = invalid_ids;
profile->SetInstallSignature(signature);
ClientIncidentReport_ExtensionData data;
CollectExtensionData(&data);
ASSERT_TRUE(data.has_last_installed_extension());
ClientIncidentReport_ExtensionData_ExtensionInfo extension_info =
data.last_installed_extension();
ASSERT_EQ(extension_info.id(), extension_id);
ASSERT_EQ(extension_info.name(), extension_name);
ASSERT_EQ(extension_info.install_time_msec(),
install_time.InMillisecondsSinceUnixEpoch());
ASSERT_EQ(extension_info.version(), version);
ASSERT_EQ(extension_info.description(), description);
ASSERT_EQ(extension_info.update_url(), update_url);
ASSERT_EQ(extension_info.has_signature_validation(), true);
ASSERT_EQ(extension_info.signature_is_valid(), false);
ASSERT_EQ(extension_info.state(),
ClientIncidentReport_ExtensionData_ExtensionInfo::STATE_ENABLED);
std::string expected_manifest =
"{\"description\":\"Test Extension\",\""
"manifest_version\":2,\"name\":\"my_test_extension\",\"update_url\":\""
"https://www.chromium.org\",\"version\":\"1.4.2\"}";
ASSERT_EQ(extension_info.manifest(), expected_manifest);
}
TEST_F(ExtensionDataCollectionTest, CollectsLastInstalledExtension) {
std::string extension_id = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa";
std::string extension_name = "extension_2";
base::Time install_time = base::Time::Now() - base::Minutes(3);
std::unique_ptr<ExtensionTestingProfile> profile =
CreateProfile(SAFE_BROWSING_AND_EXTENDED_REPORTING);
profile->AddExtension("bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb", "extension_1",
base::Time::Now() - base::Days(2));
profile->AddExtension(extension_id, extension_name, install_time);
profile->AddExtension("cccccccccccccccccccccccccccccccc", "extension_3",
base::Time::Now() - base::Hours(4));
ClientIncidentReport_ExtensionData data;
CollectExtensionData(&data);
ASSERT_TRUE(data.has_last_installed_extension());
ClientIncidentReport_ExtensionData_ExtensionInfo extension_info =
data.last_installed_extension();
ASSERT_EQ(extension_info.id(), extension_id);
ASSERT_EQ(extension_info.name(), extension_name);
ASSERT_EQ(extension_info.install_time_msec(),
install_time.InMillisecondsSinceUnixEpoch());
}
TEST_F(ExtensionDataCollectionTest, IgnoresExtensionsIfNoExtendedSafeBrowsing) {
std::string extension_id = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa";
std::string extension_name = "extension_2";
std::unique_ptr<ExtensionTestingProfile> profile =
CreateProfile(SAFE_BROWSING_AND_EXTENDED_REPORTING);
profile->AddExtension(extension_id, extension_name,
base::Time::Now() - base::Days(3));
std::unique_ptr<ExtensionTestingProfile> profile_without_safe_browsing =
CreateProfile(SAFE_BROWSING_ONLY);
profile_without_safe_browsing->AddExtension(
"bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb", "extension_1",
base::Time::Now() - base::Days(2));
ClientIncidentReport_ExtensionData data;
CollectExtensionData(&data);
ASSERT_TRUE(data.has_last_installed_extension());
ClientIncidentReport_ExtensionData_ExtensionInfo extension_info =
data.last_installed_extension();
ASSERT_EQ(extension_info.id(), extension_id);
ASSERT_EQ(extension_info.name(), extension_name);
}
} // namespace safe_browsing
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