chromium/components/update_client/unpacker.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/update_client/unpacker.h"

#include <stdint.h>

#include <string>
#include <utility>
#include <vector>

#include "base/files/file_path.h"
#include "base/files/file_util.h"
#include "base/functional/bind.h"
#include "base/functional/callback.h"
#include "base/logging.h"
#include "base/memory/scoped_refptr.h"
#include "base/sequence_checker.h"
#include "base/task/sequenced_task_runner.h"
#include "components/crx_file/crx_verifier.h"
#include "components/update_client/unzipper.h"
#include "components/update_client/update_client.h"
#include "components/update_client/update_client_errors.h"
#include "components/update_client/utils.h"
#include "third_party/zlib/google/compression_utils.h"

namespace {

constexpr base::FilePath::CharType kMetadataFolder[] = …);

base::FilePath GetVerifiedContentsPath(const base::FilePath& extension_path) { … }

}  // namespace

namespace update_client {

Unpacker::Result::Result() = default;

Unpacker::Unpacker(const base::FilePath& path,
                   std::unique_ptr<Unzipper> unzipper,
                   base::OnceCallback<void(const Result& result)> callback)
    : … { … }

Unpacker::~Unpacker() = default;

void Unpacker::Unpack(const std::vector<uint8_t>& pk_hash,
                      const base::FilePath& path,
                      std::unique_ptr<Unzipper> unzipper,
                      crx_file::VerifierFormat crx_format,
                      base::OnceCallback<void(const Result& result)> callback) { … }

void Unpacker::Verify(const std::vector<uint8_t>& pk_hash,
                      crx_file::VerifierFormat crx_format) { … }

void Unpacker::BeginUnzipping() { … }

void Unpacker::EndUnzipping(bool result) { … }

void Unpacker::UncompressVerifiedContents() { … }

void Unpacker::StoreVerifiedContentsInExtensionDir(
    const std::string& verified_contents) { … }

void Unpacker::EndUnpacking(UnpackerError error, int extended_error) { … }

}  // namespace update_client