1 /*
2 * Copyright (c) 2022 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 #include "utils/anonymous.h"
17 namespace OHOS {
18 namespace DistributedData {
19 constexpr int32_t HEAD_SIZE = 3;
20 constexpr int32_t END_SIZE = 3;
21 constexpr int32_t MIN_SIZE = HEAD_SIZE + END_SIZE + 3;
22 constexpr int32_t TAIL_SIZE = 6;
23 constexpr const char *REPLACE_CHAIN = "***";
24 constexpr const char *DEFAULT_ANONYMOUS = "******";
Change(const std::string & name,bool end)25 std::string Anonymous::Change(const std::string &name, bool end)
26 {
27 if (name.length() <= HEAD_SIZE) {
28 return DEFAULT_ANONYMOUS;
29 }
30
31 if (name.length() < MIN_SIZE) {
32 return (name.substr(0, HEAD_SIZE) + REPLACE_CHAIN);
33 }
34
35 if (!end) {
36 return (name.substr(0, HEAD_SIZE) + REPLACE_CHAIN + name.substr(name.length() - END_SIZE, END_SIZE));
37 }
38 return (REPLACE_CHAIN + name.substr(name.length() - TAIL_SIZE, TAIL_SIZE));
39 }
40 } // namespace DistributedData
41 } // namespace OHOS
42