1 //
2 //
3 // Copyright 2020 gRPC authors.
4 //
5 // Licensed under the Apache License, Version 2.0 (the "License");
6 // you may not use this file except in compliance with the License.
7 // You may obtain a copy of the License at
8 //
9 //     http://www.apache.org/licenses/LICENSE-2.0
10 //
11 // Unless required by applicable law or agreed to in writing, software
12 // distributed under the License is distributed on an "AS IS" BASIS,
13 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 // See the License for the specific language governing permissions and
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16 //
17 //
18 
19 #ifndef GRPC_CORE_EXT_XDS_CERTIFICATE_PROVIDER_FACTORY_H
20 #define GRPC_CORE_EXT_XDS_CERTIFICATE_PROVIDER_FACTORY_H
21 
22 #include <grpc/support/port_platform.h>
23 
24 #include "src/core/lib/iomgr/error.h"
25 #include "src/core/lib/json/json.h"
26 #include "src/core/lib/security/credentials/tls/grpc_tls_certificate_provider.h"
27 
28 namespace grpc_core {
29 
30 // Factories for plugins. Each plugin implementation should create its own
31 // factory implementation and register an instance with the registry.
32 class CertificateProviderFactory {
33  public:
34   // Interface for configs for CertificateProviders.
35   class Config : public RefCounted<Config> {
36    public:
37     ~Config() override = default;
38 
39     // Name of the type of the CertificateProvider. Unique to each type of
40     // config.
41     virtual const char* name() const = 0;
42 
43     virtual std::string ToString() const = 0;
44   };
45 
46   virtual ~CertificateProviderFactory() = default;
47 
48   // Name of the plugin.
49   virtual const char* name() const = 0;
50 
51   virtual RefCountedPtr<Config> CreateCertificateProviderConfig(
52       const Json& config_json, grpc_error** error) = 0;
53 
54   // Create a CertificateProvider instance from config.
55   virtual RefCountedPtr<grpc_tls_certificate_provider>
56   CreateCertificateProvider(RefCountedPtr<Config> config) = 0;
57 };
58 
59 }  // namespace grpc_core
60 
61 #endif  // GRPC_CORE_EXT_XDS_CERTIFICATE_PROVIDER_FACTORY_H
62