| // Copyright 2017 Google Inc. |
| // |
| // 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 TINK_JSON_KEYSET_READER_H_ |
| #define TINK_JSON_KEYSET_READER_H_ |
| |
| #include <istream> |
| #include <string> |
| #include <utility> |
| |
| #include "absl/strings/string_view.h" |
| #include "tink/keyset_reader.h" |
| #include "tink/util/statusor.h" |
| #include "proto/tink.pb.h" |
| |
| namespace crypto { |
| namespace tink { |
| |
| // A KeysetReader that can read from some source cleartext or |
| // encrypted keysets in proto JSON wire format, cf. |
| // https://developers.google.com/protocol-buffers/docs/encoding |
| class JsonKeysetReader : public KeysetReader { |
| public: |
| static crypto::tink::util::StatusOr<std::unique_ptr<KeysetReader>> New( |
| std::unique_ptr<std::istream> keyset_stream); |
| static crypto::tink::util::StatusOr<std::unique_ptr<KeysetReader>> New( |
| absl::string_view serialized_keyset); |
| |
| crypto::tink::util::StatusOr<std::unique_ptr<google::crypto::tink::Keyset>> |
| Read() override; |
| |
| crypto::tink::util::StatusOr< |
| std::unique_ptr<google::crypto::tink::EncryptedKeyset>> |
| ReadEncrypted() override; |
| |
| private: |
| explicit JsonKeysetReader(std::unique_ptr<std::istream> keyset_stream) |
| : serialized_keyset_(""), keyset_stream_(std::move(keyset_stream)) {} |
| explicit JsonKeysetReader(absl::string_view serialized_keyset) |
| : serialized_keyset_(serialized_keyset), keyset_stream_(nullptr) {} |
| |
| std::string serialized_keyset_; |
| std::unique_ptr<std::istream> keyset_stream_; |
| }; |
| |
| } // namespace tink |
| } // namespace crypto |
| |
| #endif // TINK_JSON_KEYSET_READER_H_ |