| // Copyright 2021 Google LLC. |
| // |
| // 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/jwt/internal/jwt_public_key_sign_impl.h" |
| |
| #include "absl/strings/escaping.h" |
| #include "absl/strings/str_split.h" |
| #include "tink/jwt/internal/jwt_format.h" |
| |
| namespace crypto { |
| namespace tink { |
| namespace jwt_internal { |
| |
| util::StatusOr<std::string> JwtPublicKeySignImpl::SignAndEncode( |
| const RawJwt& token) const { |
| absl::optional<std::string> type_header; |
| if (token.HasTypeHeader()) { |
| util::StatusOr<std::string> type_or = token.GetTypeHeader(); |
| if (!type_or.ok()) { |
| return type_or.status(); |
| } |
| type_header = type_or.ValueOrDie(); |
| } |
| std::string encoded_header = CreateHeader(algorithm_, type_header); |
| util::StatusOr<std::string> payload_or = token.GetJsonPayload(); |
| if (!payload_or.ok()) { |
| return payload_or.status(); |
| } |
| std::string encoded_payload = EncodePayload(payload_or.ValueOrDie()); |
| std::string unsigned_token = |
| absl::StrCat(encoded_header, ".", encoded_payload); |
| util::StatusOr<std::string> tag_or = sign_->Sign(unsigned_token); |
| if (!tag_or.ok()) { |
| return tag_or.status(); |
| } |
| std::string encoded_tag = EncodeSignature(tag_or.ValueOrDie()); |
| return absl::StrCat(unsigned_token, ".", encoded_tag); |
| } |
| |
| } // namespace jwt_internal |
| } // namespace tink |
| } // namespace crypto |