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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.
#include "chrome/browser/ash/file_manager/restore_io_task.h"
#include "base/files/file_util.h"
#include "base/files/scoped_temp_dir.h"
#include "base/i18n/time_formatting.h"
#include "base/rand_util.h"
#include "base/run_loop.h"
#include "base/strings/strcat.h"
#include "base/test/gmock_callback_support.h"
#include "base/test/mock_callback.h"
#include "chrome/browser/ash/file_manager/path_util.h"
#include "chrome/browser/ash/file_manager/trash_unittest_base.h"
#include "chrome/test/base/testing_profile.h"
#include "content/public/test/browser_task_environment.h"
#include "mojo/public/cpp/bindings/self_owned_receiver.h"
#include "storage/browser/file_system/file_system_context.h"
#include "storage/browser/file_system/file_system_url.h"
#include "storage/browser/test/test_file_system_context.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/blink/public/common/storage_key/storage_key.h"
namespace file_manager::io_task {
namespace {
using ::base::test::RunClosure;
using ::testing::_;
using ::testing::Field;
class ScopedFileForTest {
public:
ScopedFileForTest(const base::FilePath& absolute_file_path,
const std::string& file_contents)
: absolute_file_path_(absolute_file_path) {
EXPECT_TRUE(base::WriteFile(absolute_file_path_, file_contents));
}
~ScopedFileForTest() { EXPECT_TRUE(base::DeleteFile(absolute_file_path_)); }
const base::FilePath GetPath() { return absolute_file_path_; }
private:
const base::FilePath absolute_file_path_;
};
class RestoreIOTaskTest : public TrashBaseIOTest {
public:
RestoreIOTaskTest() = default;
RestoreIOTaskTest(const RestoreIOTaskTest&) = delete;
RestoreIOTaskTest& operator=(const RestoreIOTaskTest&) = delete;
std::string GenerateTrashInfoContents(const std::string& restore_path) {
return base::StrCat({"[Trash Info]\nPath=", restore_path, "\nDeletionDate=",
base::TimeFormatAsIso8601(base::Time::UnixEpoch())});
}
void ExpectRestorePathFailure(const std::string& restore_path_in_trashinfo) {
std::string foo_contents = base::RandBytesAsString(kTestFileSize);
std::string foo_metadata_contents =
GenerateTrashInfoContents(restore_path_in_trashinfo);
const base::FilePath trash_path =
downloads_dir_.Append(trash::kTrashFolderName);
ScopedFileForTest trash_info_file(
trash_path.Append(trash::kInfoFolderName).Append("foo.txt.trashinfo"),
foo_metadata_contents);
ScopedFileForTest trash_files_file(
trash_path.Append(trash::kFilesFolderName).Append("foo.txt"),
foo_contents);
base::RunLoop run_loop;
std::vector<storage::FileSystemURL> source_urls = {
CreateFileSystemURL(trash_info_file.GetPath()),
};
base::MockRepeatingCallback<void(const ProgressStatus&)> progress_callback;
base::MockOnceCallback<void(ProgressStatus)> complete_callback;
EXPECT_CALL(progress_callback, Run(_)).Times(0);
EXPECT_CALL(complete_callback,
Run(Field(&ProgressStatus::state, State::kError)))
.WillOnce(RunClosure(run_loop.QuitClosure()));
RestoreIOTask task(source_urls, profile_.get(), file_system_context_,
temp_dir_.GetPath());
task.Execute(progress_callback.Get(), complete_callback.Get());
run_loop.Run();
}
private:
content::BrowserTaskEnvironment task_environment_;
};
TEST_F(RestoreIOTaskTest, NoSourceUrlsShouldReturnSuccess) {
base::RunLoop run_loop;
std::vector<storage::FileSystemURL> source_urls;
base::MockRepeatingCallback<void(const ProgressStatus&)> progress_callback;
base::MockOnceCallback<void(ProgressStatus)> complete_callback;
// We should get one complete callback when the size check of `source_urls`
// finds none.
EXPECT_CALL(complete_callback,
Run(Field(&ProgressStatus::state, State::kSuccess)))
.WillOnce(RunClosure(run_loop.QuitClosure()));
RestoreIOTask task(source_urls, profile_.get(), file_system_context_,
temp_dir_.GetPath());
task.Execute(progress_callback.Get(), complete_callback.Get());
run_loop.Run();
}
TEST_F(RestoreIOTaskTest, URLsWithInvalidSuffixShouldError) {
std::string foo_contents = base::RandBytesAsString(kTestFileSize);
const base::FilePath file_path = temp_dir_.GetPath().Append("foo.txt");
ASSERT_TRUE(base::WriteFile(file_path, foo_contents));
base::RunLoop run_loop;
std::vector<storage::FileSystemURL> source_urls = {
CreateFileSystemURL(file_path),
};
base::MockRepeatingCallback<void(const ProgressStatus&)> progress_callback;
base::MockOnceCallback<void(ProgressStatus)> complete_callback;
// Progress callback should not be called as the suffix doesn't end in
// .trashinfo.
EXPECT_CALL(progress_callback, Run(_)).Times(0);
// We should get one complete callback when the verification of the suffix
// fails.
EXPECT_CALL(complete_callback,
Run(Field(&ProgressStatus::state, State::kError)))
.WillOnce(RunClosure(run_loop.QuitClosure()));
RestoreIOTask task(source_urls, profile_.get(), file_system_context_,
temp_dir_.GetPath());
task.Execute(progress_callback.Get(), complete_callback.Get());
run_loop.Run();
}
TEST_F(RestoreIOTaskTest, FilesNotInProperLocationShouldError) {
std::string foo_contents = base::RandBytesAsString(kTestFileSize);
const base::FilePath file_path =
temp_dir_.GetPath().Append("foo.txt.trashinfo");
ASSERT_TRUE(base::WriteFile(file_path, foo_contents));
base::RunLoop run_loop;
std::vector<storage::FileSystemURL> source_urls = {
CreateFileSystemURL(file_path),
};
base::MockRepeatingCallback<void(const ProgressStatus&)> progress_callback;
base::MockOnceCallback<void(ProgressStatus)> complete_callback;
// Progress callback should not be called as the supplied file is not within
// the .Trash/info directory.
EXPECT_CALL(progress_callback, Run(_)).Times(0);
// We should get one complete callback when the location is invalid.
EXPECT_CALL(complete_callback,
Run(Field(&ProgressStatus::state, State::kError)))
.WillOnce(RunClosure(run_loop.QuitClosure()));
RestoreIOTask task(source_urls, profile_.get(), file_system_context_,
temp_dir_.GetPath());
task.Execute(progress_callback.Get(), complete_callback.Get());
run_loop.Run();
}
TEST_F(RestoreIOTaskTest, MetadataWithNoCorrespondingFileShouldError) {
EnsureTrashDirectorySetup(downloads_dir_);
std::string foo_contents = base::RandBytesAsString(kTestFileSize);
const base::FilePath file_path =
downloads_dir_.Append(trash::kTrashFolderName)
.Append(trash::kInfoFolderName)
.Append("foo.txt.trashinfo");
ASSERT_TRUE(base::WriteFile(file_path, foo_contents));
base::RunLoop run_loop;
std::vector<storage::FileSystemURL> source_urls = {
CreateFileSystemURL(file_path),
};
base::MockRepeatingCallback<void(const ProgressStatus&)> progress_callback;
base::MockOnceCallback<void(ProgressStatus)> complete_callback;
// Progress callback should not be called as the corresponding file in the
// .Trash/files location does not exist.
EXPECT_CALL(progress_callback, Run(_)).Times(0);
// We should get one complete callback when the .Trash/files path doesn't
// exist.
EXPECT_CALL(complete_callback,
Run(Field(&ProgressStatus::state, State::kError)))
.WillOnce(RunClosure(run_loop.QuitClosure()));
RestoreIOTask task(source_urls, profile_.get(), file_system_context_,
temp_dir_.GetPath());
task.Execute(progress_callback.Get(), complete_callback.Get());
run_loop.Run();
}
TEST_F(RestoreIOTaskTest, InvalidRestorePaths) {
EnsureTrashDirectorySetup(downloads_dir_);
ExpectRestorePathFailure("/../../../bad/actor/foo.txt");
ExpectRestorePathFailure("../../../bad/actor/foo.txt");
ExpectRestorePathFailure("/");
}
TEST_F(RestoreIOTaskTest, ValidRestorePathShouldSucceedAndCreateDirectory) {
EnsureTrashDirectorySetup(downloads_dir_);
std::string foo_contents = base::RandBytesAsString(kTestFileSize);
std::string foo_metadata_contents =
GenerateTrashInfoContents("/Downloads/bar/foo.txt");
const base::FilePath trash_path =
downloads_dir_.Append(trash::kTrashFolderName);
const base::FilePath info_file_path =
trash_path.Append(trash::kInfoFolderName).Append("foo.txt.trashinfo");
ASSERT_TRUE(base::WriteFile(info_file_path, foo_metadata_contents));
const base::FilePath files_path =
trash_path.Append(trash::kFilesFolderName).Append("foo.txt");
ASSERT_TRUE(base::WriteFile(files_path, foo_contents));
base::RunLoop run_loop;
std::vector<storage::FileSystemURL> source_urls = {
CreateFileSystemURL(info_file_path),
};
base::MockRepeatingCallback<void(const ProgressStatus&)> progress_callback;
base::MockOnceCallback<void(ProgressStatus)> complete_callback;
EXPECT_CALL(progress_callback, Run(_)).Times(0);
EXPECT_CALL(complete_callback,
Run(Field(&ProgressStatus::state, State::kSuccess)))
.WillOnce(RunClosure(run_loop.QuitClosure()));
RestoreIOTask task(source_urls, profile_.get(), file_system_context_,
temp_dir_.GetPath());
task.Execute(progress_callback.Get(), complete_callback.Get());
run_loop.Run();
EXPECT_TRUE(base::PathExists(downloads_dir_.Append("bar").Append("foo.txt")));
}
TEST_F(RestoreIOTaskTest, ItemWithExistingConflictAreRenamed) {
EnsureTrashDirectorySetup(downloads_dir_);
std::string foo_contents = base::RandBytesAsString(kTestFileSize);
std::string foo_metadata_contents =
GenerateTrashInfoContents("/Downloads/bar/foo.txt");
const base::FilePath trash_path =
downloads_dir_.Append(trash::kTrashFolderName);
const base::FilePath info_file_path =
trash_path.Append(trash::kInfoFolderName).Append("foo.txt.trashinfo");
ASSERT_TRUE(base::WriteFile(info_file_path, foo_metadata_contents));
const base::FilePath files_path =
trash_path.Append(trash::kFilesFolderName).Append("foo.txt");
ASSERT_TRUE(base::WriteFile(files_path, foo_contents));
// Create conflicting item at same place restore is going to happen at.
const base::FilePath bar_dir = downloads_dir_.Append("bar");
ASSERT_TRUE(base::CreateDirectory(bar_dir));
ASSERT_TRUE(base::WriteFile(bar_dir.Append("foo.txt"), foo_contents));
base::RunLoop run_loop;
std::vector<storage::FileSystemURL> source_urls = {
CreateFileSystemURL(info_file_path),
};
base::MockRepeatingCallback<void(const ProgressStatus&)> progress_callback;
base::MockOnceCallback<void(ProgressStatus)> complete_callback;
EXPECT_CALL(progress_callback, Run(_)).Times(0);
EXPECT_CALL(complete_callback,
Run(Field(&ProgressStatus::state, State::kSuccess)))
.WillOnce(RunClosure(run_loop.QuitClosure()));
RestoreIOTask task(source_urls, profile_.get(), file_system_context_,
temp_dir_.GetPath());
task.Execute(progress_callback.Get(), complete_callback.Get());
run_loop.Run();
EXPECT_TRUE(base::PathExists(bar_dir.Append("foo.txt")));
EXPECT_TRUE(base::PathExists(bar_dir.Append("foo (1).txt")));
EXPECT_FALSE(base::PathExists(info_file_path));
}
class TrashServiceMojoDisconnector
: public ash::trash_service::mojom::TrashService {
public:
explicit TrashServiceMojoDisconnector(
mojo::PendingReceiver<ash::trash_service::mojom::TrashService> receiver) {
receivers_.Add(this, std::move(receiver));
}
~TrashServiceMojoDisconnector() override = default;
TrashServiceMojoDisconnector(const TrashServiceMojoDisconnector&) = delete;
TrashServiceMojoDisconnector& operator=(const TrashServiceMojoDisconnector&) =
delete;
// When the method is called, clear all mojo receivers. This is effectively
// disconnecting the mojo pipe and emulates the disconnect handler being
// invoked.
void ParseTrashInfoFile(
base::File trash_info_file,
ash::trash_service::ParseTrashInfoCallback callback) override {
receivers_.Clear();
}
private:
mojo::ReceiverSet<ash::trash_service::mojom::TrashService> receivers_;
};
class RestoreIOTaskDisconnectMojoTest : public TrashBaseIOTest {
public:
RestoreIOTaskDisconnectMojoTest() = default;
RestoreIOTaskDisconnectMojoTest(const RestoreIOTaskDisconnectMojoTest&) =
delete;
RestoreIOTaskDisconnectMojoTest& operator=(
const RestoreIOTaskDisconnectMojoTest&) = delete;
private:
content::BrowserTaskEnvironment task_environment_;
};
TEST_F(RestoreIOTaskDisconnectMojoTest,
TrashServiceMojoDisconnectShouldCompleteWithError) {
EnsureTrashDirectorySetup(downloads_dir_);
std::string foo_contents = base::RandBytesAsString(kTestFileSize);
const base::FilePath trash_path =
downloads_dir_.Append(trash::kTrashFolderName);
const base::FilePath info_file_path =
trash_path.Append(trash::kInfoFolderName).Append("foo.txt.trashinfo");
ASSERT_TRUE(base::WriteFile(info_file_path, foo_contents));
const base::FilePath files_path =
trash_path.Append(trash::kFilesFolderName).Append("foo.txt");
ASSERT_TRUE(base::WriteFile(files_path, foo_contents));
base::RunLoop run_loop;
std::vector<storage::FileSystemURL> source_urls = {
CreateFileSystemURL(info_file_path),
};
base::MockRepeatingCallback<void(const ProgressStatus&)> progress_callback;
base::MockOnceCallback<void(ProgressStatus)> complete_callback;
EXPECT_CALL(progress_callback, Run(_)).Times(0);
EXPECT_CALL(complete_callback,
Run(Field(&ProgressStatus::state, State::kError)))
.WillOnce(RunClosure(run_loop.QuitClosure()));
RestoreIOTask task(source_urls, profile_.get(), file_system_context_,
temp_dir_.GetPath());
task.Execute(progress_callback.Get(), complete_callback.Get());
run_loop.Run();
}
} // namespace
} // namespace file_manager::io_task
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