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 DATASHARESERVICE_URI_UTILS_H 17 #define DATASHARESERVICE_URI_UTILS_H 18 19 #include <map> 20 #include <vector> 21 #include <string> 22 namespace OHOS::DataShare { 23 struct UriInfo { 24 std::string bundleName; 25 std::string moduleName; 26 std::string storeName; 27 std::string tableName; 28 }; 29 30 struct UriConfig { 31 std::string authority; 32 std::string path; 33 std::vector<std::string> pathSegments; 34 std::string formatUri; 35 std::string scheme; 36 }; 37 38 class StringUtils { 39 public: 40 /** 41 * @brief Anonymizes the input string by preserving specified length at head/tail 42 * and replacing the middle part with placeholder 43 * @param name Original string to be processed (non-empty assumed) 44 * @return std::string Anonymized result according to length rules: 45 * 1. Length <= 4: Returns DEFAULT_ANONYMOUS ("******") 46 * 2. 4 < Length <= 8: Returns first 4 chars + REPLACE_CHAIN ("***") 47 * 3. Length > 8: Returns first 4 chars + REPLACE_CHAIN + last 4 chars 48 * @example 49 * "abcdefghi" -> "abcd***fghi" 50 * "12345" -> "1234***" 51 * "AB" -> "******" 52 */ 53 static std::string GeneralAnonymous(const std::string &name); 54 }; 55 56 class URIUtils { 57 public: 58 static bool GetInfoFromURI(const std::string &uri, UriInfo &uriInfo); 59 static bool GetBundleNameFromProxyURI(const std::string &uri, std::string &bundleName); 60 static bool GetAppIndexFromProxyURI(const std::string &uri, int32_t &appIndex); 61 static std::pair<bool, int32_t> GetUserFromProxyURI(const std::string &uri); 62 static bool IsDataProxyURI(const std::string &uri); 63 static void FormatUri(std::string &uri); 64 static std::string FormatConstUri(const std::string &uri); 65 static UriConfig GetUriConfig(const std::string &uri); 66 static std::string Anonymous(const std::string &uri); 67 static std::map<std::string, std::string> GetQueryParams(const std::string& uri); 68 static std::pair<bool, uint32_t> Strtoul(const std::string &str); 69 static constexpr const char *DATA_SHARE_SCHEMA = "datashare:///";; 70 static constexpr const char DATA_PROXY_SCHEMA[] = "datashareproxy://"; 71 static constexpr const char *PARAM_URI_SEPARATOR = ":///"; 72 static constexpr const char *SCHEME_SEPARATOR = "://"; 73 static constexpr const char *URI_SEPARATOR = "/"; 74 static constexpr const char *APP_INDEX = "appIndex"; // for Application Clone 75 static constexpr const char USER_PARAM[] = "user"; 76 static constexpr int DATA_PROXY_SCHEMA_LEN = sizeof(DATA_PROXY_SCHEMA) - 1; 77 static constexpr uint32_t PARAM_URI_SEPARATOR_LEN = 4; 78 79 private: 80 enum PATH_PARAM : int32_t { 81 BUNDLE_NAME = 0, 82 MODULE_NAME, 83 STORE_NAME, 84 TABLE_NAME, 85 PARAM_SIZE 86 }; 87 static constexpr int32_t END_LENGTH = 10; 88 }; 89 } // namespace OHOS::DataShare 90 #endif // DATASHARESERVICE_URI_UTILS_H 91