f1019c2c4a
* fix: -Wunsafe-buffer-usage warnings in ScopedTemporaryFile::InitFromFile() * fix: -Wunsafe-buffer-usage warnings in Archive::Init()
76 lines
1.9 KiB
C++
76 lines
1.9 KiB
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<uint8_t> buf(size);
|
|
if (!src->ReadAndCheck(offset, buf))
|
|
return false;
|
|
|
|
if (integrity)
|
|
ValidateIntegrityOrDie(buf, *integrity);
|
|
|
|
base::File dest(path_, base::File::FLAG_OPEN | base::File::FLAG_WRITE);
|
|
return dest.IsValid() && dest.WriteAtCurrentPosAndCheck(buf);
|
|
}
|
|
|
|
} // namespace asar
|