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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 "components/enterprise/common/files_scan_data.h"
#include <utility>
#include "base/files/file.h"
#include "base/files/file_enumerator.h"
#include "base/files/file_util.h"
#include "base/task/thread_pool.h"
namespace enterprise_connectors {
namespace {
FilesScanData::PathsToScanResult GetPathsToScan(
std::vector<base::FilePath> base_paths) {
FilesScanData::ExpandedPathsIndexes expanded_paths_indexes;
std::vector<base::FilePath> paths;
for (size_t i = 0; i < base_paths.size(); ++i) {
const base::FilePath& file = base_paths.at(i);
base::File::Info info;
// Ignore the path if it's a symbolic link.
if (!base::GetFileInfo(file, &info) || info.is_symbolic_link)
continue;
// If the file is a directory, recursively add the files it holds to `data`.
if (info.is_directory) {
base::FileEnumerator file_enumerator(file, /*recursive=*/true,
base::FileEnumerator::FILES);
for (base::FilePath sub_path = file_enumerator.Next(); !sub_path.empty();
sub_path = file_enumerator.Next()) {
paths.push_back(sub_path);
expanded_paths_indexes.insert({sub_path, i});
}
} else {
paths.push_back(file);
expanded_paths_indexes.insert({file, i});
}
}
return {std::move(base_paths), std::move(expanded_paths_indexes),
std::move(paths)};
}
} // namespace
FilesScanData::PathsToScanResult::PathsToScanResult(
std::vector<base::FilePath> base_paths,
FilesScanData::ExpandedPathsIndexes expanded_paths_indexes,
std::vector<base::FilePath> paths)
: base_paths(std::move(base_paths)),
expanded_paths_indexes(std::move(expanded_paths_indexes)),
paths(std::move(paths)) {}
FilesScanData::PathsToScanResult::PathsToScanResult(PathsToScanResult&&) =
default;
FilesScanData::PathsToScanResult& FilesScanData::PathsToScanResult::operator=(
PathsToScanResult&&) = default;
FilesScanData::PathsToScanResult::~PathsToScanResult() = default;
FilesScanData::FilesScanData() = default;
FilesScanData::FilesScanData(std::vector<ui::FileInfo> paths) {
base_paths_.reserve(paths.size());
for (const ui::FileInfo& file_info : paths) {
base_paths_.push_back(file_info.path);
}
}
FilesScanData::FilesScanData(std::vector<base::FilePath> paths)
: base_paths_(std::move(paths)) {}
FilesScanData::~FilesScanData() = default;
void FilesScanData::ExpandPaths(base::OnceClosure done_closure) {
expand_paths_done_closure_ = std::move(done_closure);
base::ThreadPool::PostTaskAndReplyWithResult(
FROM_HERE, {base::TaskPriority::USER_VISIBLE, base::MayBlock()},
base::BindOnce(&GetPathsToScan, std::move(base_paths_)),
base::BindOnce(&FilesScanData::OnExpandPathsDone,
weak_ptr_factory_.GetWeakPtr()));
}
std::set<size_t> FilesScanData::IndexesToBlock(
const std::vector<bool>& allowed_paths) {
if (allowed_paths.size() != expanded_paths_indexes_.size() ||
expanded_paths_.size() != allowed_paths.size()) {
return {};
}
std::set<size_t> indexes_to_block;
for (size_t i = 0; i < allowed_paths.size(); ++i) {
if (allowed_paths[i])
continue;
indexes_to_block.insert(expanded_paths_indexes_.at(expanded_paths_[i]));
}
return indexes_to_block;
}
const std::vector<base::FilePath>& FilesScanData::base_paths() const {
return base_paths_;
}
std::vector<base::FilePath> FilesScanData::take_base_paths() {
return std::move(base_paths_);
}
const FilesScanData::ExpandedPathsIndexes&
FilesScanData::expanded_paths_indexes() const {
return expanded_paths_indexes_;
}
const std::vector<base::FilePath>& FilesScanData::expanded_paths() const {
return expanded_paths_;
}
void FilesScanData::OnExpandPathsDone(PathsToScanResult result) {
base_paths_ = std::move(result.base_paths);
expanded_paths_indexes_ = std::move(result.expanded_paths_indexes);
expanded_paths_ = std::move(result.paths);
std::move(expand_paths_done_closure_).Run();
}
} // namespace enterprise_connectors
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