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// Copyright 2020 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/downgrade/user_data_downgrade.h"
#include <optional>
#include "base/containers/flat_set.h"
#include "base/files/file.h"
#include "base/files/file_path.h"
#include "base/files/file_util.h"
#include "base/files/scoped_temp_dir.h"
#include "chrome/browser/browsing_data/chrome_browsing_data_remover_constants.h"
#include "chrome/browser/downgrade/snapshot_file_collector.h"
#include "chrome/common/chrome_constants.h"
#include "content/public/browser/browsing_data_remover.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace downgrade {
TEST(UserDataDowngradeTests, GetInvalidSnapshots) {
base::ScopedTempDir snapshot_dir;
ASSERT_TRUE(snapshot_dir.CreateUniqueTempDir());
base::FilePath snapshot_path = snapshot_dir.GetPath();
for (const std::string& name : std::vector<std::string>{"10", "11", "30"}) {
ASSERT_TRUE(base::CreateDirectory(snapshot_path.AppendASCII(name)));
base::File(
snapshot_path.AppendASCII(name).Append(kDowngradeLastVersionFile),
base::File::FLAG_CREATE | base::File::FLAG_WRITE);
}
ASSERT_TRUE(base::CreateDirectory(snapshot_path.AppendASCII("20")));
ASSERT_TRUE(base::CreateDirectory(snapshot_path.AppendASCII("Snapshot 20")));
base::File(snapshot_path.AppendASCII("Snapshot 20")
.Append(kDowngradeLastVersionFile),
base::File::FLAG_CREATE | base::File::FLAG_WRITE);
ASSERT_TRUE(base::CreateDirectory(snapshot_path.AppendASCII("Something")));
auto snapshots = GetInvalidSnapshots(snapshot_path);
base::flat_set<base::FilePath> expected{
snapshot_path.AppendASCII("Snapshot 20"), snapshot_path.AppendASCII("20"),
snapshot_path.AppendASCII("Something")};
EXPECT_EQ(base::flat_set<base::FilePath>(snapshots), expected);
}
TEST(UserDataDowngradeTests, GetAvailableSnapshots) {
base::ScopedTempDir snapshot_dir;
ASSERT_TRUE(snapshot_dir.CreateUniqueTempDir());
for (const std::string& name :
std::vector<std::string>{"8", "10.0.0", "11.0.11.123", "30.0.1.1"}) {
ASSERT_TRUE(
base::CreateDirectory(snapshot_dir.GetPath().AppendASCII(name)));
base::File(snapshot_dir.GetPath().AppendASCII(name).Append(
kDowngradeLastVersionFile),
base::File::FLAG_CREATE | base::File::FLAG_WRITE);
}
ASSERT_TRUE(
base::CreateDirectory(snapshot_dir.GetPath().AppendASCII("20.0.2")));
ASSERT_TRUE(
base::CreateDirectory(snapshot_dir.GetPath().AppendASCII("Snapshot 20")));
ASSERT_TRUE(
base::CreateDirectory(snapshot_dir.GetPath().AppendASCII("Something")));
base::File(snapshot_dir.GetPath().AppendASCII("9"),
base::File::FLAG_CREATE | base::File::FLAG_WRITE);
auto snapshots = GetAvailableSnapshots(snapshot_dir.GetPath());
base::flat_set<base::Version> expected{
base::Version("8"), base::Version("10.0.0"), base::Version("11.0.11.123"),
base::Version("30.0.1.1")};
EXPECT_EQ(snapshots, expected);
}
TEST(UserDataDowngradeTests, GetSnapshotToRestore) {
base::ScopedTempDir user_data_dir;
ASSERT_TRUE(user_data_dir.CreateUniqueTempDir());
const base::FilePath snapshot_dir =
user_data_dir.GetPath().Append(kSnapshotsDir);
ASSERT_TRUE(base::CreateDirectory(snapshot_dir.AppendASCII("9")));
for (const std::string& name :
std::vector<std::string>{"10.0.0", "11.3.2", "20.0.0", "30.0.0"}) {
ASSERT_TRUE(base::CreateDirectory(snapshot_dir.AppendASCII(name)));
base::File(snapshot_dir.AppendASCII(name).Append(kDowngradeLastVersionFile),
base::File::FLAG_CREATE | base::File::FLAG_WRITE);
}
EXPECT_EQ(GetSnapshotToRestore(base::Version("9"), user_data_dir.GetPath()),
std::nullopt);
EXPECT_EQ(
*GetSnapshotToRestore(base::Version("10.1.0"), user_data_dir.GetPath()),
base::Version("10.0.0"));
EXPECT_EQ(
*GetSnapshotToRestore(base::Version("15.5.3"), user_data_dir.GetPath()),
base::Version("11.3.2"));
EXPECT_EQ(
*GetSnapshotToRestore(base::Version("30.0.0"), user_data_dir.GetPath()),
base::Version("30.0.0"));
EXPECT_EQ(
*GetSnapshotToRestore(base::Version("31.0.0"), user_data_dir.GetPath()),
base::Version("30.0.0"));
}
TEST(UserDataDowngradeTests, RemoveDataForProfile) {
base::ScopedTempDir user_data_dir;
ASSERT_TRUE(user_data_dir.CreateUniqueTempDir());
const base::FilePath snapshot_dir =
user_data_dir.GetPath().Append(kSnapshotsDir);
const auto profile_path_default =
user_data_dir.GetPath().AppendASCII("Default");
const auto profile_path_1 = user_data_dir.GetPath().AppendASCII("Profile 1");
const auto snapshot_profile_path_default =
snapshot_dir.AppendASCII("1").AppendASCII("Default");
const auto snapshot_profile_path_1 =
snapshot_dir.AppendASCII("1").AppendASCII("Profile 1");
ASSERT_TRUE(base::CreateDirectory(profile_path_default));
ASSERT_TRUE(base::CreateDirectory(profile_path_1));
ASSERT_TRUE(base::CreateDirectory(snapshot_profile_path_default));
ASSERT_TRUE(base::CreateDirectory(snapshot_profile_path_1));
base::File(profile_path_default.Append(kDowngradeLastVersionFile),
base::File::FLAG_CREATE | base::File::FLAG_WRITE);
base::File(profile_path_1.Append(kDowngradeLastVersionFile),
base::File::FLAG_CREATE | base::File::FLAG_WRITE);
base::File(snapshot_dir.AppendASCII("1").Append(kDowngradeLastVersionFile),
base::File::FLAG_CREATE | base::File::FLAG_WRITE);
const auto profile_items = CollectProfileItems();
DCHECK(!profile_items.empty());
for (const auto& item : profile_items) {
if (item.is_directory) {
ASSERT_TRUE(base::CreateDirectory(
snapshot_profile_path_default.Append(item.path)));
ASSERT_TRUE(
base::CreateDirectory(snapshot_profile_path_1.Append(item.path)));
} else {
base::File(snapshot_profile_path_default.Append(item.path),
base::File::FLAG_CREATE | base::File::FLAG_WRITE);
base::File(snapshot_profile_path_1.Append(item.path),
base::File::FLAG_CREATE | base::File::FLAG_WRITE);
}
}
base::File::Info snapshot_info;
ASSERT_TRUE(base::GetFileInfo(snapshot_dir, &snapshot_info));
// Nothing should be deleted from |profile_path_default| since delete_begin
// is after the snapshot has been created.
RemoveDataForProfile(base::Time::Max(), profile_path_default,
chrome_browsing_data_remover::DATA_TYPE_BOOKMARKS);
// Only the bookmarks should be deleted.
RemoveDataForProfile(base::Time::Min(), profile_path_1,
chrome_browsing_data_remover::DATA_TYPE_BOOKMARKS);
EXPECT_TRUE(base::PathExists(
snapshot_profile_path_default.Append(chrome::kPreferencesFilename)));
EXPECT_TRUE(base::PathExists(
snapshot_profile_path_1.Append(chrome::kPreferencesFilename)));
EXPECT_TRUE(base::PathExists(snapshot_profile_path_default.Append(
chrome::kSecurePreferencesFilename)));
EXPECT_TRUE(base::PathExists(
snapshot_profile_path_1.Append(chrome::kSecurePreferencesFilename)));
for (const auto& item : profile_items) {
EXPECT_TRUE(
base::PathExists(snapshot_profile_path_default.Append(item.path)));
EXPECT_EQ((item.data_types &
chrome_browsing_data_remover::DATA_TYPE_BOOKMARKS) == 0ULL,
base::PathExists(snapshot_profile_path_1.Append(item.path)));
}
const auto remove_mask =
content::BrowsingDataRemover::DATA_TYPE_COOKIES |
chrome_browsing_data_remover::DATA_TYPE_ISOLATED_ORIGINS |
chrome_browsing_data_remover::DATA_TYPE_HISTORY |
chrome_browsing_data_remover::DATA_TYPE_CONTENT_SETTINGS |
chrome_browsing_data_remover::DATA_TYPE_PASSWORDS |
chrome_browsing_data_remover::DATA_TYPE_FORM_DATA;
// Delete some data from default profile.
RemoveDataForProfile(base::Time::Min(), profile_path_default, remove_mask);
for (const auto& item : profile_items) {
EXPECT_EQ(
(item.data_types & remove_mask) == 0ULL,
base::PathExists(snapshot_profile_path_default.Append(item.path)));
}
// Wipe profile 1
RemoveDataForProfile(base::Time(), profile_path_1,
chrome_browsing_data_remover::WIPE_PROFILE);
EXPECT_FALSE(base::PathExists(snapshot_profile_path_1));
}
} // namespace downgrade
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