1 // Copyright 2021 gRPC authors.
2 //
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 GRPC_SRC_CORE_LIB_SECURITY_AUTHORIZATION_AUTHORIZATION_ENGINE_H
16 #define GRPC_SRC_CORE_LIB_SECURITY_AUTHORIZATION_AUTHORIZATION_ENGINE_H
17 
18 #include <grpc/support/port_platform.h>
19 
20 #include <string>
21 
22 #include "src/core/lib/gprpp/ref_counted.h"
23 #include "src/core/lib/security/authorization/evaluate_args.h"
24 
25 namespace grpc_core {
26 
27 // Interface for gRPC Authorization Engine.
28 class AuthorizationEngine : public RefCounted<AuthorizationEngine> {
29  public:
30   struct Decision {
31     enum class Type {
32       kAllow,
33       kDeny,
34     };
35     Type type;
36     std::string matching_policy_name;
37   };
38 
39   virtual Decision Evaluate(const EvaluateArgs& args) const = 0;
40 };
41 
42 }  // namespace grpc_core
43 
44 #endif  // GRPC_SRC_CORE_LIB_SECURITY_AUTHORIZATION_AUTHORIZATION_ENGINE_H
45