1 /* 2 * Copyright (c) 2022-2023 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 INTERFACES_KITS_JS_SRC_MOD_FS_COMMON_FUNC_H 17 #define INTERFACES_KITS_JS_SRC_MOD_FS_COMMON_FUNC_H 18 19 #include "fd_guard.h" 20 #include "n_val.h" 21 #include "uv.h" 22 #if !defined(WIN_PLATFORM) && !defined(IOS_PLATFORM) 23 #include "iremote_broker.h" 24 #endif 25 26 namespace OHOS { 27 namespace FileManagement { 28 namespace ModuleFileIO { 29 30 constexpr int RDONLY = UV_FS_O_RDONLY; 31 constexpr int WRONLY = UV_FS_O_WRONLY; 32 constexpr int RDWR = UV_FS_O_RDWR; 33 constexpr int CREATE = UV_FS_O_CREAT; 34 constexpr int TRUNC = UV_FS_O_TRUNC; 35 constexpr int APPEND = UV_FS_O_APPEND; 36 constexpr int NONBLOCK = UV_FS_O_NONBLOCK; 37 constexpr int DIRECTORY = UV_FS_O_DIRECTORY; 38 constexpr int NOFOLLOW = UV_FS_O_NOFOLLOW; 39 constexpr int SYNC = UV_FS_O_SYNC; 40 41 constexpr unsigned int MODE_EXIST = 00; 42 constexpr unsigned int MODE_WRITE = 02; 43 constexpr unsigned int MODE_READ = 04; 44 constexpr unsigned int MODE_READ_WRITE = 06; 45 46 constexpr unsigned int USR_READ_ONLY = 00; 47 constexpr unsigned int USR_WRITE_ONLY = 01; 48 constexpr unsigned int USR_RDWR = 02; 49 constexpr unsigned int USR_CREATE = 0100; 50 constexpr unsigned int USR_TRUNC = 01000; 51 constexpr unsigned int USR_APPEND = 02000; 52 constexpr unsigned int USR_NONBLOCK = 04000; 53 constexpr unsigned int USR_DIRECTORY = 0200000; 54 constexpr unsigned int USR_NOFOLLOW = 0400000; 55 constexpr unsigned int USR_SYNC = 04010000; 56 57 const double NS = 1e9; 58 const double MS = 1e3; 59 60 struct FileInfo { 61 bool isPath = false; 62 std::unique_ptr<char[]> path = { nullptr }; 63 std::unique_ptr<DistributedFS::FDGuard> fdg = { nullptr }; 64 }; 65 66 #if !defined(WIN_PLATFORM) && !defined(IOS_PLATFORM) 67 class FileIoToken : public IRemoteBroker { 68 public: 69 DECLARE_INTERFACE_DESCRIPTOR(u"ohos.fileio.open"); 70 71 FileIoToken() = default; 72 virtual ~FileIoToken() noexcept = default; 73 }; 74 #endif 75 76 void InitAccessModeType(napi_env env, napi_value exports); 77 void InitOpenMode(napi_env env, napi_value exports); 78 void InitWhenceType(napi_env env, napi_value exports); 79 80 struct CommonFunc { 81 static unsigned int ConvertJsFlags(unsigned int &flags); 82 static LibN::NVal InstantiateStat(napi_env env, const uv_stat_t &buf); 83 #if !defined(WIN_PLATFORM) && !defined(IOS_PLATFORM) 84 static LibN::NVal InstantiateStat(napi_env env, const uv_stat_t &buf, std::shared_ptr<FileInfo> fileInfo); 85 #endif 86 #ifndef WIN_PLATFORM 87 static LibN::NVal InstantiateFile(napi_env env, int fd, const std::string &pathOrUri, bool isUri); 88 static LibN::NVal InstantiateStream(napi_env env, std::shared_ptr<FILE> fp); 89 #endif 90 static std::tuple<bool, void *, size_t, int64_t> GetReadArg(napi_env env, 91 napi_value readBuf, 92 napi_value option); 93 static std::tuple<bool, std::unique_ptr<char[]>, void *, size_t, int64_t> GetWriteArg(napi_env env, 94 napi_value argWBuf, 95 napi_value argOption); 96 static std::tuple<bool, std::unique_ptr<char[]>, std::unique_ptr<char[]>> GetCopyPathArg(napi_env env, 97 napi_value srcPath, 98 napi_value dstPath); 99 static void fs_req_cleanup(uv_fs_t* req); 100 static std::string GetModeFromFlags(unsigned int flags); 101 static bool CheckPublicDirPath(const std::string &sandboxPath); 102 static std::string Decode(const std::string &uri); 103 }; 104 } // namespace ModuleFileIO 105 } // namespace FileManagement 106 } // namespace OHOS 107 #endif // INTERFACES_KITS_JS_SRC_MOD_FS_COMMON_FUNC_H