chromium/third_party/grpc/src/include/grpcpp/security/authorization_policy_provider.h

// Copyright 2021 gRPC authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#ifndef GRPCPP_SECURITY_AUTHORIZATION_POLICY_PROVIDER_H
#define GRPCPP_SECURITY_AUTHORIZATION_POLICY_PROVIDER_H

#include <memory>

#include <grpc/grpc_security.h>
#include <grpc/status.h>
#include <grpcpp/impl/codegen/status.h>

namespace grpc {
namespace experimental {

// Wrapper around C-core grpc_authorization_policy_provider. Internally, it
// handles creating and updating authorization engine objects, using SDK
// authorization policy.
class AuthorizationPolicyProviderInterface { … };

// Implementation obtains authorization policy from static string. This provider
// will always return the same authorization engines.
class StaticDataAuthorizationPolicyProvider
    : public AuthorizationPolicyProviderInterface { … };

// Implementation obtains authorization policy by watching for changes in
// filesystem.
class FileWatcherAuthorizationPolicyProvider
    : public AuthorizationPolicyProviderInterface { … };

}  // namespace experimental
}  // namespace grpc

#endif  // GRPCPP_SECURITY_AUTHORIZATION_POLICY_PROVIDER_H