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// Copyright 2014 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/extensions/extension_garbage_collector_chromeos.h"
#include <memory>
#include <string>
#include <utility>
#include <vector>
#include "base/files/file_util.h"
#include "base/strings/string_split.h"
#include "base/strings/string_util.h"
#include "base/values.h"
#include "chrome/browser/ash/login/users/fake_chrome_user_manager.h"
#include "chrome/browser/ash/profiles/profile_helper.h"
#include "chrome/browser/extensions/extension_assets_manager_chromeos.h"
#include "chrome/browser/extensions/extension_service.h"
#include "chrome/browser/extensions/extension_service_test_base.h"
#include "chrome/browser/prefs/browser_prefs.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/test/base/testing_browser_process.h"
#include "chrome/test/base/testing_profile.h"
#include "components/account_id/account_id.h"
#include "components/prefs/scoped_user_pref_update.h"
#include "components/prefs/testing_pref_service.h"
#include "components/user_manager/scoped_user_manager.h"
#include "components/user_manager/user_manager.h"
#include "components/user_manager/user_names.h"
#include "content/public/test/test_utils.h"
#include "extensions/browser/extension_prefs.h"
#include "extensions/browser/install_flag.h"
#include "extensions/common/extension_builder.h"
#include "ppapi/buildflags/buildflags.h"
#if BUILDFLAG(ENABLE_PLUGINS)
#include "content/public/browser/plugin_service.h"
#endif
namespace {
const char kExtensionId1[] = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa";
const char kExtensionId2[] = "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb";
} // namespace
namespace extensions {
class ExtensionGarbageCollectorChromeOSUnitTest
: public ExtensionServiceTestBase {
protected:
const base::FilePath& cache_dir() { return cache_dir_.GetPath(); }
void SetUp() override {
ExtensionServiceTestBase::SetUp();
#if BUILDFLAG(ENABLE_PLUGINS)
content::PluginService::GetInstance()->Init();
#endif
InitializeGoodInstalledExtensionService();
CHECK(cache_dir_.CreateUniqueTempDir());
ExtensionAssetsManagerChromeOS::SetSharedInstallDirForTesting(cache_dir());
ExtensionGarbageCollectorChromeOS::ClearGarbageCollectedForTesting();
// Initialize the UserManager singleton to a fresh FakeChromeUserManager
// instance.
user_manager_enabler_ = std::make_unique<user_manager::ScopedUserManager>(
std::make_unique<ash::FakeChromeUserManager>());
GetFakeUserManager()->AddUser(user_manager::StubAccountId());
GetFakeUserManager()->LoginUser(user_manager::StubAccountId());
ash::ProfileHelper::Get()->SetUserToProfileMappingForTesting(
GetFakeUserManager()->GetActiveUser(), profile_.get());
}
void GarbageCollectExtensions() {
ExtensionGarbageCollector::Get(profile_.get())
->GarbageCollectExtensionsForTest();
// Wait for GarbageCollectExtensions task to complete.
content::RunAllTasksUntilIdle();
}
base::FilePath CreateSharedExtensionDir(const std::string& id,
const std::string& version,
const base::FilePath& shared_dir) {
base::FilePath path = shared_dir.AppendASCII(id).AppendASCII(version);
CreateDirectory(path);
return path;
}
void CreateSharedExtensionPrefs(const std::string& id,
const std::string& version,
const std::string& users_string,
const base::FilePath& path) {
ScopedDictPrefUpdate shared_extensions(
testing_local_state_.Get(),
ExtensionAssetsManagerChromeOS::kSharedExtensions);
base::Value::Dict* extension_info_weak = shared_extensions->EnsureDict(id);
base::Value::Dict version_info;
version_info.Set(ExtensionAssetsManagerChromeOS::kSharedExtensionPath,
path.value());
base::Value::List users;
for (const std::string& user :
base::SplitString(users_string, ",", base::KEEP_WHITESPACE,
base::SPLIT_WANT_NONEMPTY)) {
users.Append(user);
}
version_info.Set(ExtensionAssetsManagerChromeOS::kSharedExtensionUsers,
std::move(users));
extension_info_weak->Set(version, std::move(version_info));
}
scoped_refptr<const Extension> CreateExtension(const std::string& id,
const std::string& version,
const base::FilePath& path) {
return ExtensionBuilder("test")
.SetVersion(version)
.SetID(id)
.SetPath(path)
.SetLocation(mojom::ManifestLocation::kInternal)
.Build();
}
ExtensionPrefs* GetExtensionPrefs() {
return ExtensionPrefs::Get(profile_.get());
}
ash::FakeChromeUserManager* GetFakeUserManager() {
return static_cast<ash::FakeChromeUserManager*>(
user_manager::UserManager::Get());
}
private:
std::unique_ptr<user_manager::ScopedUserManager> user_manager_enabler_;
base::ScopedTempDir cache_dir_;
};
// Test shared extensions clean up.
TEST_F(ExtensionGarbageCollectorChromeOSUnitTest, SharedExtensions) {
// Version for non-existing user.
base::FilePath path_id1_1 = CreateSharedExtensionDir(
kExtensionId1, "1.0", cache_dir());
CreateSharedExtensionPrefs(kExtensionId1, "1.0", "test@test.com", path_id1_1);
EXPECT_TRUE(base::PathExists(path_id1_1));
// Version for current user but the extension is not installed.
base::FilePath path_id1_2 = CreateSharedExtensionDir(
kExtensionId1, "2.0", cache_dir());
CreateSharedExtensionPrefs(kExtensionId1, "2.0",
user_manager::StubAccountId().GetUserEmail(),
path_id1_2);
EXPECT_TRUE(base::PathExists(path_id1_2));
// Version for current user that delayed install.
base::FilePath path_id2_1 = CreateSharedExtensionDir(
kExtensionId2, "1.0", cache_dir());
CreateSharedExtensionPrefs(kExtensionId2, "1.0",
user_manager::StubAccountId().GetUserEmail(),
path_id2_1);
scoped_refptr<const Extension> extension2 =
CreateExtension(kExtensionId2, "1.0", path_id2_1);
GetExtensionPrefs()->SetDelayedInstallInfo(
extension2.get(), /*disable_reasons=*/{}, kInstallFlagNone,
ExtensionPrefs::DelayReason::kWaitForIdle, syncer::StringOrdinal(),
std::string());
EXPECT_TRUE(base::PathExists(path_id2_1));
GarbageCollectExtensions();
EXPECT_FALSE(base::PathExists(path_id1_1));
EXPECT_FALSE(base::PathExists(path_id1_2));
EXPECT_FALSE(base::PathExists(cache_dir().AppendASCII(kExtensionId1)));
EXPECT_TRUE(base::PathExists(path_id2_1));
const base::Value::Dict& shared_extensions =
testing_local_state_.Get()->GetDict(
ExtensionAssetsManagerChromeOS::kSharedExtensions);
EXPECT_FALSE(shared_extensions.Find(kExtensionId1));
EXPECT_TRUE(shared_extensions.Find(kExtensionId2));
}
} // namespace extensions
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