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// Copyright 2014 The Chromium Authors. All rights reserved.
// 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 <string>
#include <vector>
#include "base/files/file_util.h"
#include "base/prefs/scoped_user_pref_update.h"
#include "base/prefs/testing_pref_service.h"
#include "base/strings/string_util.h"
#include "base/threading/sequenced_worker_pool.h"
#include "base/values.h"
#include "chrome/browser/chromeos/login/users/fake_user_manager.h"
#include "chrome/browser/chromeos/login/users/scoped_user_manager_enabler.h"
#include "chrome/browser/chromeos/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 "chromeos/login/user_names.h"
#include "components/user_manager/user_manager.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/plugin_service.h"
#include "content/public/test/test_utils.h"
#include "extensions/browser/extension_prefs.h"
#include "extensions/browser/install_flag.h"
#include "extensions/common/manifest_constants.h"
namespace {
const char kExtensionId1[] = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa";
const char kExtensionId2[] = "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb";
} // namespace
namespace extensions {
class ExtensionGarbageCollectorChromeOSUnitTest
: public ExtensionServiceTestBase {
protected:
PrefService& local_state() { return local_state_; }
const base::FilePath& cache_dir() { return cache_dir_.path(); }
virtual void SetUp() override {
TestingBrowserProcess::GetGlobal()->SetLocalState(&local_state_);
chrome::RegisterLocalState(local_state_.registry());
#if defined(ENABLE_PLUGINS)
content::PluginService::GetInstance()->Init();
#endif
InitializeGoodInstalledExtensionService();
// Need real IO thread.
service_->SetFileTaskRunnerForTesting(
content::BrowserThread::GetBlockingPool()
->GetSequencedTaskRunnerWithShutdownBehavior(
content::BrowserThread::GetBlockingPool()
->GetNamedSequenceToken("ext_install-"),
base::SequencedWorkerPool::SKIP_ON_SHUTDOWN));
CHECK(cache_dir_.CreateUniqueTempDir());
ExtensionAssetsManagerChromeOS::SetSharedInstallDirForTesting(cache_dir());
ExtensionGarbageCollectorChromeOS::ClearGarbageCollectedForTesting();
// Initialize the UserManager singleton to a fresh FakeUserManager instance.
user_manager_enabler_.reset(
new chromeos::ScopedUserManagerEnabler(new chromeos::FakeUserManager));
GetFakeUserManager()->AddUser(chromeos::login::kStubUser);
GetFakeUserManager()->LoginUser(chromeos::login::kStubUser);
chromeos::ProfileHelper::Get()->SetUserToProfileMappingForTesting(
GetFakeUserManager()->GetActiveUser(), profile_.get());
}
virtual void TearDown() override {
TestingBrowserProcess::GetGlobal()->SetLocalState(NULL);
}
void GarbageCollectExtensions() {
ExtensionGarbageCollector::Get(profile_.get())
->GarbageCollectExtensionsForTest();
// Wait for GarbageCollectExtensions task to complete.
content::RunAllBlockingPoolTasksUntilIdle();
}
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) {
DictionaryPrefUpdate shared_extensions(&local_state_,
ExtensionAssetsManagerChromeOS::kSharedExtensions);
base::DictionaryValue* extension_info = NULL;
if (!shared_extensions->GetDictionary(id, &extension_info)) {
extension_info = new base::DictionaryValue;
shared_extensions->Set(id, extension_info);
}
base::DictionaryValue* version_info = new base::DictionaryValue;
extension_info->SetWithoutPathExpansion(version, version_info);
version_info->SetString(
ExtensionAssetsManagerChromeOS::kSharedExtensionPath, path.value());
base::ListValue* users = new base::ListValue;
version_info->Set(ExtensionAssetsManagerChromeOS::kSharedExtensionUsers,
users);
std::vector<std::string> users_list;
if (Tokenize(users_string, ",", &users_list)) {
for (size_t i = 0; i < users_list.size(); i++) {
users->AppendString(users_list[i]);
}
}
}
scoped_refptr<Extension> CreateExtension(const std::string& id,
const std::string& version,
const base::FilePath& path) {
base::DictionaryValue manifest;
manifest.SetString(manifest_keys::kName, "test");
manifest.SetString(manifest_keys::kVersion, version);
std::string error;
scoped_refptr<Extension> extension = Extension::Create(
path, Manifest::INTERNAL, manifest, Extension::NO_FLAGS, id, &error);
CHECK(extension.get()) << error;
CHECK_EQ(id, extension->id());
return extension;
}
ExtensionPrefs* GetExtensionPrefs() {
return ExtensionPrefs::Get(profile_.get());
}
chromeos::FakeUserManager* GetFakeUserManager() {
return static_cast<chromeos::FakeUserManager*>(
user_manager::UserManager::Get());
}
private:
scoped_ptr<chromeos::ScopedUserManagerEnabler> user_manager_enabler_;
TestingPrefServiceSimple local_state_;
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", chromeos::login::kStubUser, 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", chromeos::login::kStubUser, path_id2_1);
scoped_refptr<Extension> extension2 = CreateExtension(kExtensionId2, "1.0",
path_id2_1);
GetExtensionPrefs()->SetDelayedInstallInfo(
extension2.get(),
Extension::ENABLED,
kInstallFlagNone,
ExtensionPrefs::DELAY_REASON_WAIT_FOR_IDLE,
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::DictionaryValue* shared_extensions = local_state().GetDictionary(
ExtensionAssetsManagerChromeOS::kSharedExtensions);
ASSERT_TRUE(shared_extensions);
EXPECT_FALSE(shared_extensions->HasKey(kExtensionId1));
EXPECT_TRUE(shared_extensions->HasKey(kExtensionId2));
}
} // namespace extensions
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