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bigbiff1f9e4842020-10-31 11:33:15 -04001/*
2 * Copyright (C) 2019 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#pragma once
18
19#include <stdint.h>
20
21#include <functional>
22#include <map>
23#include <memory>
24#include <string>
25#include <vector>
26
27#include <ziparchive/zip_archive.h>
28
29#include "verifier.h"
30
31// This class serves as a wrapper for an OTA update package. It aims to provide the common
32// interface for both packages loaded in memory and packages read from fd.
33class Package : public VerifierInterface {
34 public:
35 static std::unique_ptr<Package> CreateMemoryPackage(
36 const std::string& path);
37 static std::unique_ptr<Package> CreateMemoryPackage(
38 std::vector<uint8_t> content);
39 static std::unique_ptr<Package> CreateFilePackage(const std::string& path,
40 const std::function<void(float)>& set_progress);
41
42 virtual ~Package() = default;
43
44 // Opens the package as a zip file and returns the ZipArchiveHandle.
45 virtual ZipArchiveHandle GetZipArchiveHandle() = 0;
46
47 // Updates the progress in fraction during package verification.
48 void SetProgress(float progress) override;
49
50 protected:
51 // An optional function to update the progress.
52 std::function<void(float)> set_progress_;
53};