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
15 // limitations under the License.
16 //
17 //
18 
19 #ifndef GRPC_SRC_CORE_EXT_XDS_FILE_WATCHER_CERTIFICATE_PROVIDER_FACTORY_H
20 #define GRPC_SRC_CORE_EXT_XDS_FILE_WATCHER_CERTIFICATE_PROVIDER_FACTORY_H
21 
22 #include <grpc/support/port_platform.h>
23 
24 #include <string>
25 
26 #include "absl/strings/string_view.h"
27 
28 #include <grpc/grpc_security.h>
29 
30 #include "src/core/lib/gprpp/ref_counted_ptr.h"
31 #include "src/core/lib/gprpp/time.h"
32 #include "src/core/lib/gprpp/validation_errors.h"
33 #include "src/core/lib/json/json.h"
34 #include "src/core/lib/json/json_args.h"
35 #include "src/core/lib/json/json_object_loader.h"
36 #include "src/core/lib/security/certificate_provider/certificate_provider_factory.h"
37 
38 namespace grpc_core {
39 
40 class FileWatcherCertificateProviderFactory
41     : public CertificateProviderFactory {
42  public:
43   class Config : public CertificateProviderFactory::Config {
44    public:
45     absl::string_view name() const override;
46 
47     std::string ToString() const override;
48 
identity_cert_file()49     const std::string& identity_cert_file() const {
50       return identity_cert_file_;
51     }
52 
private_key_file()53     const std::string& private_key_file() const { return private_key_file_; }
54 
root_cert_file()55     const std::string& root_cert_file() const { return root_cert_file_; }
56 
refresh_interval()57     Duration refresh_interval() const { return refresh_interval_; }
58 
59     static const JsonLoaderInterface* JsonLoader(const JsonArgs& args);
60     void JsonPostLoad(const Json& json, const JsonArgs& args,
61                       ValidationErrors* errors);
62 
63    private:
64     std::string identity_cert_file_;
65     std::string private_key_file_;
66     std::string root_cert_file_;
67     Duration refresh_interval_ = Duration::Minutes(10);
68   };
69 
70   absl::string_view name() const override;
71 
72   RefCountedPtr<CertificateProviderFactory::Config>
73   CreateCertificateProviderConfig(const Json& config_json, const JsonArgs& args,
74                                   ValidationErrors* errors) override;
75 
76   RefCountedPtr<grpc_tls_certificate_provider> CreateCertificateProvider(
77       RefCountedPtr<CertificateProviderFactory::Config> config) override;
78 };
79 
80 }  // namespace grpc_core
81 
82 #endif  // GRPC_SRC_CORE_EXT_XDS_FILE_WATCHER_CERTIFICATE_PROVIDER_FACTORY_H
83