1 /*
2  * Copyright 2009-2017 Alibaba Cloud All rights reserved.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #pragma once
18 
19 #include <string>
20 
21 namespace AlibabaCloud
22 {
23 namespace OSS
24 {
25 
26     class  Signer
27     {
28     public:
29         enum Type
30         {
31             HmacSha1,
32         };
33         virtual ~Signer();
34 
35         virtual std::string generate(const std::string &src, const std::string &secret)const = 0;
36         std::string name()const;
37         Type type() const;
38         std::string version()const;
39     protected:
40         Signer(Type type, const std::string &name, const std::string &version = "1.0");
41     private:
42         Type type_;
43         std::string name_;
44         std::string version_;
45     };
46 }
47 }
48