| // 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. |
| // |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| #include "tink/binary_keyset_reader.h" |
| |
| #include <iostream> |
| #include <istream> |
| #include <sstream> |
| |
| #include "absl/memory/memory.h" |
| #include "tink/util/errors.h" |
| #include "tink/util/status.h" |
| #include "tink/util/statusor.h" |
| #include "proto/tink.pb.h" |
| |
| namespace crypto { |
| namespace tink { |
| |
| using google::crypto::tink::EncryptedKeyset; |
| using google::crypto::tink::Keyset; |
| |
| // static |
| util::StatusOr<std::unique_ptr<KeysetReader>> BinaryKeysetReader::New( |
| std::unique_ptr<std::istream> keyset_stream) { |
| if (keyset_stream == nullptr) { |
| return util::Status(util::error::INVALID_ARGUMENT, |
| "keyset_stream must be non-null."); |
| } |
| std::stringstream buffer; |
| buffer << keyset_stream->rdbuf(); |
| return New(buffer.str()); |
| } |
| |
| // static |
| util::StatusOr<std::unique_ptr<KeysetReader>> BinaryKeysetReader::New( |
| absl::string_view serialized_keyset) { |
| std::unique_ptr<KeysetReader> reader( |
| new BinaryKeysetReader(serialized_keyset)); |
| return std::move(reader); |
| } |
| |
| util::StatusOr<std::unique_ptr<Keyset>> BinaryKeysetReader::Read() { |
| auto keyset = absl::make_unique<Keyset>(); |
| if (!keyset->ParseFromString(serialized_keyset_)) { |
| return util::Status(util::error::INVALID_ARGUMENT, |
| "Could not parse the input stream as a Keyset-proto."); |
| } |
| return std::move(keyset); |
| } |
| |
| util::StatusOr<std::unique_ptr<EncryptedKeyset>> |
| BinaryKeysetReader::ReadEncrypted() { |
| auto enc_keyset = absl::make_unique<EncryptedKeyset>(); |
| if (!enc_keyset->ParseFromString(serialized_keyset_)) { |
| return util::Status(util::error::INVALID_ARGUMENT, |
| "Could not parse the input stream as an EncryptedKeyset-proto."); |
| } |
| return std::move(enc_keyset); |
| } |
| |
| } // namespace tink |
| } // namespace crypto |