chromium/components/device_signals/core/system_signals/base_platform_delegate.cc

// 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/device_signals/core/system_signals/base_platform_delegate.h"

#include <memory>
#include <optional>

#include "base/containers/flat_map.h"
#include "base/containers/flat_set.h"
#include "base/files/file_path.h"
#include "base/files/file_util.h"
#include "base/process/process_iterator.h"
#include "components/device_signals/core/common/common_types.h"
#include "components/device_signals/core/system_signals/platform_utils.h"

#if BUILDFLAG(IS_WIN) || BUILDFLAG(IS_MAC)
#include "base/file_version_info.h"
#include "base/strings/utf_string_conversions.h"
#endif  // BUILDFLAG(IS_WIN) || BUILDFLAG(IS_MAC)

namespace device_signals {

BasePlatformDelegate::BasePlatformDelegate() = default;
BasePlatformDelegate::~BasePlatformDelegate() = default;

bool BasePlatformDelegate::PathIsReadable(
    const base::FilePath& file_path) const { … }

bool BasePlatformDelegate::DirectoryExists(
    const base::FilePath& file_path) const { … }

FilePathMap<bool> BasePlatformDelegate::AreExecutablesRunning(
    const FilePathSet& file_paths) { … }

#if BUILDFLAG(IS_WIN) || BUILDFLAG(IS_MAC)

std::optional<PlatformDelegate::ProductMetadata>
BasePlatformDelegate::GetProductMetadata(const base::FilePath& file_path) {
  std::unique_ptr<FileVersionInfo> version_info(
      FileVersionInfo::CreateFileVersionInfo(file_path));

  if (!version_info) {
    return std::nullopt;
  }

  std::u16string product_name;
  if (!version_info->product_name().empty()) {
    product_name = version_info->product_name();
  } else if (!version_info->product_short_name().empty()) {
    product_name = version_info->product_short_name();
  }

  std::u16string version;
  if (!version_info->product_version().empty()) {
    version = version_info->product_version();
  } else if (!version_info->file_version().empty()) {
    version = version_info->file_version();
  }

  PlatformDelegate::ProductMetadata product_metadata;
  if (!product_name.empty()) {
    product_metadata.name = base::UTF16ToUTF8(product_name);
  }

  if (!version.empty()) {
    product_metadata.version = base::UTF16ToUTF8(version);
  }

  return product_metadata;
}

#endif  // BUILDFLAG(IS_WIN) || BUILDFLAG(IS_MAC)

}  // namespace device_signals