1 /* 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. 33 class Package : public VerifierInterface { 34 public: 35 static std::unique_ptr<Package> CreateMemoryPackage( 36 const std::string& path, const std::function<void(float)>& set_progress); 37 static std::unique_ptr<Package> CreateMemoryPackage( 38 std::vector<uint8_t> content, const std::function<void(float)>& set_progress); 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 }; 54