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 #ifndef CLOUD_FILE_DAEMON_CLOUD_FILE_UTILS_H 16 #define CLOUD_FILE_DAEMON_CLOUD_FILE_UTILS_H 17 18 #include <string> 19 20 namespace OHOS { 21 namespace FileManagement { 22 namespace CloudDisk { 23 struct CloudDiskFileInfo { 24 std::string fileName; 25 std::string cloudId; 26 std::string parentCloudId; 27 uint32_t location{1}; 28 unsigned long long size{0}; 29 unsigned long long atime{0}; 30 unsigned long long ctime{0}; 31 unsigned long long mtime{0}; 32 bool IsDirectory{false}; 33 off_t nextOff{0}; 34 }; 35 36 namespace { 37 static const std::string CLOUD_CLOUD_ID_XATTR = "user.cloud.cloudid"; 38 static const std::string CLOUD_FILE_LOCATION = "user.cloud.location"; 39 static const std::string HMDFS_PERMISSION_XATTR = "user.hmdfs.perm"; 40 } 41 42 class CloudFileUtils final { 43 public: 44 static bool CheckIsCloud(const std::string &key); 45 static bool CheckIsCloudLocation(const std::string &key); 46 static bool CheckIsHmdfsPermission(const std::string &key); 47 static std::string GetLocalBucketPath(std::string cloudId, std::string bundleName, 48 int32_t userId); 49 static std::string GetLocalFilePath(std::string cloudId, std::string bundleName, 50 int32_t userId); 51 static std::string GetPathWithoutTmp(const std::string &path); 52 static std::string GetCloudId(const std::string &path); 53 static bool LocalWriteOpen(const std::string &dfsPath); 54 static const std::string TMP_SUFFIX; 55 private: 56 static bool EndsWith(const std::string &fullString, const std::string &ending); 57 }; 58 } // namespace CloudDisk 59 } // namespace FileManagement 60 } // namespace OHOS 61 #endif // CLOUD_FILE_DAEMON_CLOUD_FILE_UTILS_H 62