1 /* 2 * Copyright (c) 2023 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef SYS_INSTALLER_MODULE_ZIP_HELPER_H 17 #define SYS_INSTALLER_MODULE_ZIP_HELPER_H 18 19 #include <cstdint> 20 #include <string> 21 22 #include "unzip.h" 23 #include "zip.h" 24 25 namespace OHOS { 26 namespace SysInstaller { 27 class ModuleZipHelper { 28 public: 29 explicit ModuleZipHelper(const std::string &path); 30 ~ModuleZipHelper(); 31 IsValid()32 bool IsValid() const 33 { 34 return handle_ != nullptr; 35 } 36 bool GetNumberOfEntry(uint32_t &number); 37 bool LocateFile(const std::string &filename); 38 bool GetFileSize(uint32_t &size); 39 bool GetFileOffset(uint32_t &offset); 40 bool GetFileContent(std::string &buf); 41 private: 42 bool GetFileEntryOffset(uint32_t &offset, uint32_t centralDirOffset) const; 43 unzFile handle_ = nullptr; 44 bool hasLocated_ = false; 45 std::string filename_; 46 std::string zipPath_; 47 }; 48 } // namespace SysInstaller 49 } // namespace OHOS 50 #endif // SYS_INSTALLER_MODULE_ZIP_HELPER_H