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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifdef UNSAFE_BUFFERS_BUILD
// TODO(crbug.com/40285824): Remove this and convert code to safer constructs.
#pragma allow_unsafe_buffers
#endif
#include "chrome/browser/ash/wallpaper/wallpaper_drivefs_delegate_impl.h"
#include <memory>
#include <vector>
#include "ash/shell.h"
#include "ash/wallpaper/wallpaper_controller_impl.h"
#include "base/barrier_closure.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 "base/memory/ref_counted_memory.h"
#include "base/memory/scoped_refptr.h"
#include "base/run_loop.h"
#include "base/test/bind.h"
#include "base/threading/thread_restrictions.h"
#include "base/time/time.h"
#include "chrome/browser/ash/drive/drive_integration_service.h"
#include "chrome/browser/ash/drive/drive_integration_service_browser_test_base.h"
#include "chrome/browser/ash/drive/file_system_util.h"
#include "chrome/browser/ash/profiles/profile_helper.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/ui/browser.h"
#include "chromeos/ash/components/drivefs/fake_drivefs.h"
#include "chromeos/ash/components/drivefs/mojom/drivefs.mojom.h"
#include "components/account_id/account_id.h"
#include "components/user_manager/user.h"
#include "content/public/test/browser_test.h"
#include "mojo/public/cpp/bindings/remote.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/skia/include/core/SkBitmap.h"
#include "third_party/skia/include/core/SkColor.h"
#include "ui/gfx/codec/jpeg_codec.h"
#include "ui/gfx/image/image_skia.h"
#include "ui/gfx/image/image_unittest_util.h"
namespace ash {
namespace {
scoped_refptr<base::RefCountedBytes> EncodeImage(const gfx::ImageSkia& image) {
std::optional<std::vector<uint8_t>> data =
gfx::JPEGCodec::Encode(*(image.bitmap()), /*quality=*/90);
return base::MakeRefCounted<base::RefCountedBytes>(std::move(data).value());
}
WallpaperDriveFsDelegate* GetWallpaperDriveFsDelegate() {
Shell* shell = Shell::Get();
auto* wallpaper_controller = shell->wallpaper_controller();
return wallpaper_controller->drivefs_delegate_for_testing();
}
// Saves a test wallpaper file. If `target` is empty, will default to the
// DriveFS wallpaper path.
void SaveTestWallpaperFile(const AccountId& account_id, base::FilePath target) {
ASSERT_FALSE(target.empty()) << "target FilePath is required to be non-empty";
base::ScopedAllowBlockingForTesting allow_blocking;
if (!base::DirectoryExists(target.DirName())) {
ASSERT_TRUE(base::CreateDirectory(target.DirName()));
}
auto data = EncodeImage(gfx::test::CreateImageSkia(/*size=*/16));
ASSERT_TRUE(base::WriteFile(target, base::span(*data)));
}
} // namespace
class WallpaperDriveFsDelegateImplBrowserTest
: public drive::DriveIntegrationServiceBrowserTestBase {
public:
WallpaperDriveFsDelegateImplBrowserTest() = default;
WallpaperDriveFsDelegateImplBrowserTest(
const WallpaperDriveFsDelegateImplBrowserTest&) = delete;
WallpaperDriveFsDelegateImplBrowserTest& operator=(
const WallpaperDriveFsDelegateImplBrowserTest&) = delete;
~WallpaperDriveFsDelegateImplBrowserTest() override = default;
const AccountId& GetAccountId() const {
user_manager::User* user =
ProfileHelper::Get()->GetUserByProfile(browser()->profile());
DCHECK(user);
return user->GetAccountId();
}
bool SaveWallpaperSync(const AccountId& account_id,
const base::FilePath& source) {
base::RunLoop loop;
bool out = false;
GetWallpaperDriveFsDelegate()->SaveWallpaper(
account_id, source,
base::BindLambdaForTesting([&out, &loop](bool success) {
out = success;
loop.Quit();
}));
loop.Run();
return out;
}
base::Time GetWallpaperModificationTimeSync(const AccountId& account_id) {
base::RunLoop loop;
base::Time out;
GetWallpaperDriveFsDelegate()->GetWallpaperModificationTime(
account_id, base::BindLambdaForTesting([&out, &loop](base::Time time) {
out = time;
loop.Quit();
}));
loop.Run();
return out;
}
std::vector<drivefs::mojom::FileChangePtr> CreateWallpaperFileChange() {
std::vector<drivefs::mojom::FileChangePtr> file_changes;
drive::DriveIntegrationService* drive_integration_service =
drive::util::GetIntegrationServiceByProfile(browser()->profile());
base::FilePath fake_wallpaper_notification_path(
&base::FilePath::kSeparators[0]);
EXPECT_TRUE(
drive_integration_service->GetMountPointPath().AppendRelativePath(
GetWallpaperDriveFsDelegate()->GetWallpaperPath(GetAccountId()),
&fake_wallpaper_notification_path));
drivefs::mojom::FileChangePtr wallpaper_change =
drivefs::mojom::FileChange::New(
fake_wallpaper_notification_path,
drivefs::mojom::FileChange::Type::kModify);
file_changes.push_back(std::move(wallpaper_change));
return file_changes;
}
};
IN_PROC_BROWSER_TEST_F(WallpaperDriveFsDelegateImplBrowserTest,
EmptyBaseTimeIfNoDriveFs) {
InitTestFileMountRoot(browser()->profile());
SaveTestWallpaperFile(
GetAccountId(),
GetWallpaperDriveFsDelegate()->GetWallpaperPath(GetAccountId()));
drive::DriveIntegrationService* drive_integration_service =
drive::util::GetIntegrationServiceByProfile(browser()->profile());
ASSERT_TRUE(drive_integration_service);
drive_integration_service->SetEnabled(false);
const base::Time modification_time =
GetWallpaperModificationTimeSync(GetAccountId());
EXPECT_EQ(modification_time, base::Time())
<< "DriveFS disabled should result in empty time";
}
IN_PROC_BROWSER_TEST_F(WallpaperDriveFsDelegateImplBrowserTest,
RespondsWithModifiedAtTime) {
InitTestFileMountRoot(browser()->profile());
base::ScopedAllowBlockingForTesting allow_blocking;
const base::FilePath drivefs_wallpaper_path =
GetWallpaperDriveFsDelegate()->GetWallpaperPath(GetAccountId());
ASSERT_FALSE(base::PathExists(drivefs_wallpaper_path));
SaveTestWallpaperFile(GetAccountId(), drivefs_wallpaper_path);
base::File::Info file_info;
ASSERT_TRUE(base::GetFileInfo(drivefs_wallpaper_path, &file_info));
const base::Time drivefs_modification_time =
GetWallpaperModificationTimeSync(GetAccountId());
EXPECT_EQ(drivefs_modification_time, file_info.last_modified)
<< "modification_time matches file info time";
}
IN_PROC_BROWSER_TEST_F(WallpaperDriveFsDelegateImplBrowserTest, SaveWallpaper) {
InitTestFileMountRoot(browser()->profile());
base::FilePath drivefs_wallpaper_path =
GetWallpaperDriveFsDelegate()->GetWallpaperPath(GetAccountId());
ASSERT_FALSE(drivefs_wallpaper_path.empty());
base::ScopedAllowBlockingForTesting scoped_allow_blocking;
// Write a jpg file to a tmp directory. This file will be copied into DriveFS.
base::ScopedTempDir scoped_temp_dir;
ASSERT_TRUE(scoped_temp_dir.CreateUniqueTempDir());
base::FilePath source_jpg = scoped_temp_dir.GetPath().Append("source.jpg");
SaveTestWallpaperFile(GetAccountId(), source_jpg);
// `SaveWallpaper` should succeed while DriveFS is enabled.
EXPECT_TRUE(SaveWallpaperSync(GetAccountId(), source_jpg));
// source.jpg was copied to DriveFS wallpaper path.
EXPECT_TRUE(base::PathExists(drivefs_wallpaper_path));
}
IN_PROC_BROWSER_TEST_F(WallpaperDriveFsDelegateImplBrowserTest,
SaveWallpaperDriveFsDisabled) {
InitTestFileMountRoot(browser()->profile());
base::ScopedAllowBlockingForTesting scoped_allow_blocking;
// Write a jpg file to a tmp directory. This file will be copied into DriveFS.
base::ScopedTempDir scoped_temp_dir;
ASSERT_TRUE(scoped_temp_dir.CreateUniqueTempDir());
base::FilePath source_jpg = scoped_temp_dir.GetPath().Append("source.jpg");
SaveTestWallpaperFile(GetAccountId(), source_jpg);
base::FilePath drivefs_wallpaper_path =
GetWallpaperDriveFsDelegate()->GetWallpaperPath(GetAccountId());
ASSERT_FALSE(drivefs_wallpaper_path.empty());
// Call `SaveWallpaper` while DriveFS is disabled. No file should be written.
auto* drive_integration_service =
drive::util::GetIntegrationServiceByProfile(browser()->profile());
drive_integration_service->SetEnabled(false);
EXPECT_FALSE(SaveWallpaperSync(GetAccountId(), source_jpg));
EXPECT_FALSE(base::PathExists(drivefs_wallpaper_path));
}
IN_PROC_BROWSER_TEST_F(WallpaperDriveFsDelegateImplBrowserTest,
WaitForWallpaperChange) {
InitTestFileMountRoot(browser()->profile());
base::RunLoop loop;
GetWallpaperDriveFsDelegate()->WaitForWallpaperChange(
GetAccountId(), base::BindLambdaForTesting([&loop](bool success) {
EXPECT_TRUE(success);
loop.Quit();
}));
// Send the fake wallpaper file change notification.
drivefs::FakeDriveFs* fake_drivefs =
GetFakeDriveFsForProfile(browser()->profile());
fake_drivefs->delegate()->OnFilesChanged(CreateWallpaperFileChange());
loop.Run();
}
IN_PROC_BROWSER_TEST_F(WallpaperDriveFsDelegateImplBrowserTest,
WaitForWallpaperChangeWithDriveFsDisabled) {
drive::DriveIntegrationService* drive_integration_service =
drive::util::GetIntegrationServiceByProfile(browser()->profile());
drive_integration_service->SetEnabled(false);
base::RunLoop loop;
// Responds immediately with `success=false` even without receiving any file
// change notifications because DriveFS is disabled.
GetWallpaperDriveFsDelegate()->WaitForWallpaperChange(
GetAccountId(), base::BindLambdaForTesting([&loop](bool success) {
EXPECT_FALSE(success);
loop.Quit();
}));
loop.Run();
}
IN_PROC_BROWSER_TEST_F(WallpaperDriveFsDelegateImplBrowserTest,
WaitForWallpaperChangeMultipleTimes) {
InitTestFileMountRoot(browser()->profile());
base::RunLoop loop;
// Make sure that closure is called twice before `loop` quits.
base::RepeatingClosure barrier =
base::BarrierClosure(/*num_closures=*/2, loop.QuitClosure());
// The first `WaitForWallpaperChange` call should respond with false when
// `WaitForWallpaperChange` is called a second time before receiving a file
// change notification.
GetWallpaperDriveFsDelegate()->WaitForWallpaperChange(
GetAccountId(), base::BindLambdaForTesting([&barrier](bool success) {
EXPECT_FALSE(success);
barrier.Run();
}));
// This call to `WaitForWallpaperChange` should succeed upon receiving the
// file change notification.
GetWallpaperDriveFsDelegate()->WaitForWallpaperChange(
GetAccountId(), base::BindLambdaForTesting([&barrier](bool success) {
EXPECT_TRUE(success);
barrier.Run();
}));
// Send the fake wallpaper file change notification.
drivefs::FakeDriveFs* fake_drivefs =
GetFakeDriveFsForProfile(browser()->profile());
fake_drivefs->delegate()->OnFilesChanged(CreateWallpaperFileChange());
loop.Run();
}
} // namespace ash
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