1 /* 2 * Copyright (c) 2021 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 FOUNDATION_AAFWK_STANDARD_TOOLS_ZIP_INTERNAL_H 17 #define FOUNDATION_AAFWK_STANDARD_TOOLS_ZIP_INTERNAL_H 18 19 #include <string> 20 #include <time.h> 21 #include "contrib/minizip/unzip.h" 22 #include "contrib/minizip/zip.h" 23 #include "zip_utils.h" 24 25 namespace OHOS { 26 namespace AAFwk { 27 namespace LIBZIP { 28 namespace { 29 const int kZipMaxPath = 256; 30 const int kZipBufSize = 8192; 31 } // namespace 32 33 // Callback function for zlib that opens a file stream from a file descriptor. 34 // Since we do not own the file descriptor, dup it so that we can fdopen/fclose 35 // a file stream. 36 void *FdOpenFileFunc(void *opaque, const char *filename, int mode); 37 38 int FdCloseFileFunc(void *opaque, void *stream); 39 40 // Fills |pzlib_filecunc_def| appropriately to handle the zip file 41 // referred to by |fd|. 42 void FillFdOpenFileFunc(zlib_filefunc_def *pzlibFilefuncDef, PlatformFile fd); 43 44 unzFile OpenFdForUnzipping(PlatformFile zipFD); 45 46 struct tm GetTmDataFromTickts(int64_t ticks); 47 48 unzFile OpenForUnzipping(std::string &fileNameUtf8); 49 50 // Opens the file referred to by |zipFD| for unzipping. 51 unzFile OpenFdForUnzipping(int zipFD); 52 53 // Creates a custom unzFile object which reads data from the specified string. 54 // This custom unzFile object overrides the I/O API functions of zlib so it can 55 // read data from the specified string. 56 unzFile PrepareMemoryForUnzipping(const std::string &data); 57 58 // Opens the given file name in UTF-8 for zipping, with some setup for 59 // Windows. |append_flag| will be passed to zipOpen2(). 60 zipFile OpenForZipping(const std::string &fileNameUtf8, int appendFlag); 61 62 // Opens the file referred to by |zipFD| for zipping. |append_flag| will be 63 // passed to zipOpen2(). 64 zipFile OpenFdForZipping(PlatformFile zipFd, int appendFlag); 65 66 bool ZipOpenNewFileInZip( 67 zipFile zipFile, const std::string &strPath, const OPTIONS &options, const struct tm *lastModifiedTime); 68 69 } // namespace LIBZIP 70 } // namespace AAFwk 71 } // namespace OHOS 72 73 #endif // FOUNDATION_AAFWK_STANDARD_TOOLS_ZIP_INTERNAL_H 74