electron/shell/common/asar/scoped_temporary_file.cc
Charles Kerr 60c4c9fec6
chore: remove unused #includes (#42971)
* chore: iwyu buildflags.h

* chore: iwyu dictionary.h

* chore: iwyu arguments.h

* chore: iwyu values.h

* chore: iwyu compiler_specific.h

* chore: iwyu binder_map.h

* chore: iwyu <vector>

* chore: iwyu <set>

* chore: iwyu raw_ptr

* chore: iwyu gfx/canvas.h

* chore: iwyu gfx/color_utils.h

* chore: iwyu base/strings/stringprintf.h

* chore: iwyu base/task/thread_pool.h

* chore: iwyu base/no_destructor.h

* chore: iwyu base/path_service.h

* chore: iwyu base/files/file_pathh

* chore: iwyu base/strings/sys_string_conversions.h

* chore: iwyu base/logging.h

* chore: iwyu base/command_line.h

* chore: iwyu base/files/file_util.h

* chore: iwyu base/files/scoped_file.h

* chore: iwyu base/strings/utf_string_conversions.h

* chore: iwyu base/environment.h

* chore: iwyu base/scoped_observation.h

* chore: iwyu base/strings/string_split.h

* chore: iwyu base/strings/pattern.h

* chore: iwyu base/json/string_escape.h

* chore: iwyu base/json/json_reader.h

* chore: iwyu base/memory/singleton.h

* chore: iwyu base/observer_list.h

* chore: iwyu base/timer/timer.h

* fixup! chore: iwyu values.h

* chore: iwyu shell/browser/browser.h

* chore: iwyu base/stl_util.h

* chore: iwyu base/strings/string_util.h

* chore: iwyu shell/browser/javascript_environment.h

* chore: iwyu base/memory/ref_counted.h

* chore: iwyu base/environment.h

* chore: iwyu content/public/browser/browser_thread.h

* chore: remove unused typedef gin_helper::EventEmitter::ValueArray

* chore: iwyu gin/wrappable.h

* chore: iwyu shell/common/gin_helper/function_template_extensions.h

* chore: iwyu shell/common/gin_converters/login_item_settings_converter.h

* chore: iwyu shell/common/gin_helper/arguments.h

* chore: iwyu ui/gfx/skia_util.h

* chore: iwyu ui/gfx/geometry/rect.h

* chore: iwyu ui/gfx/image/image.h

* chore: iwyu base/strings/strcat.h

* chore: iwyu ui/native_theme/native_theme.h

* fixup! chore: iwyu shell/browser/javascript_environment.h

* fixup! chore: iwyu gfx/canvas.h

* fixup! chore: iwyu content/public/browser/browser_thread.h

* fixup! chore: iwyu ui/native_theme/native_theme.h

* fixup! chore: iwyu ui/native_theme/native_theme.h
2024-07-22 11:31:32 +02:00

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C++

// Copyright (c) 2014 GitHub, Inc.
// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file.
#include "shell/common/asar/scoped_temporary_file.h"
#include <vector>
#include "base/files/file_util.h"
#include "shell/common/asar/asar_util.h"
#include "shell/common/thread_restrictions.h"
namespace asar {
ScopedTemporaryFile::ScopedTemporaryFile() = default;
ScopedTemporaryFile::~ScopedTemporaryFile() {
if (!path_.empty()) {
electron::ScopedAllowBlockingForElectron allow_blocking;
// On Windows it is very likely the file is already in use (because it is
// mostly used for Node native modules), so deleting it now will halt the
// program.
#if BUILDFLAG(IS_WIN)
base::DeleteFileAfterReboot(path_);
#else
base::DeleteFile(path_);
#endif
}
}
bool ScopedTemporaryFile::Init(const base::FilePath::StringType& ext) {
if (!path_.empty())
return true;
electron::ScopedAllowBlockingForElectron allow_blocking;
if (!base::CreateTemporaryFile(&path_))
return false;
#if BUILDFLAG(IS_WIN)
// Keep the original extension.
if (!ext.empty()) {
base::FilePath new_path = path_.AddExtension(ext);
if (!base::Move(path_, new_path))
return false;
path_ = new_path;
}
#endif
return true;
}
bool ScopedTemporaryFile::InitFromFile(
base::File* src,
const base::FilePath::StringType& ext,
uint64_t offset,
uint64_t size,
const std::optional<IntegrityPayload>& integrity) {
if (!src->IsValid())
return false;
if (!Init(ext))
return false;
electron::ScopedAllowBlockingForElectron allow_blocking;
std::vector<char> buf(size);
int len = src->Read(offset, buf.data(), buf.size());
if (len != static_cast<int>(size))
return false;
if (integrity.has_value()) {
ValidateIntegrityOrDie(buf.data(), buf.size(), integrity.value());
}
base::File dest(path_, base::File::FLAG_OPEN | base::File::FLAG_WRITE);
if (!dest.IsValid())
return false;
return dest.WriteAtCurrentPos(buf.data(), buf.size()) ==
static_cast<int>(size);
}
} // namespace asar