| // 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_wrapper.h" |
| |
| #include <string> |
| #include <utility> |
| |
| #include "absl/status/status.h" |
| #include "tink/jwt/internal/jwt_format.h" |
| #include "tink/jwt/internal/jwt_public_key_sign_internal.h" |
| #include "tink/jwt/jwt_public_key_sign.h" |
| #include "tink/primitive_set.h" |
| #include "tink/util/status.h" |
| #include "tink/util/statusor.h" |
| |
| namespace crypto { |
| namespace tink { |
| namespace jwt_internal { |
| |
| using google::crypto::tink::OutputPrefixType; |
| |
| namespace { |
| |
| class JwtPublicKeySignSetWrapper : public JwtPublicKeySign { |
| public: |
| explicit JwtPublicKeySignSetWrapper( |
| std::unique_ptr<PrimitiveSet<JwtPublicKeySignInternal>> jwt_sign_set) |
| : jwt_sign_set_(std::move(jwt_sign_set)) {} |
| |
| crypto::tink::util::StatusOr<std::string> SignAndEncode( |
| const crypto::tink::RawJwt& token) const override; |
| |
| ~JwtPublicKeySignSetWrapper() override {} |
| |
| private: |
| std::unique_ptr<PrimitiveSet<JwtPublicKeySignInternal>> jwt_sign_set_; |
| }; |
| |
| util::Status Validate(PrimitiveSet<JwtPublicKeySignInternal>* jwt_sign_set) { |
| if (jwt_sign_set == nullptr) { |
| return util::Status(absl::StatusCode::kInternal, |
| "jwt_sign_set must be non-NULL"); |
| } |
| if (jwt_sign_set->get_primary() == nullptr) { |
| return util::Status(absl::StatusCode::kInvalidArgument, |
| "jwt_sign_set has no primary"); |
| } |
| for (const auto* entry : jwt_sign_set->get_all()) { |
| if ((entry->get_output_prefix_type() != OutputPrefixType::RAW) && |
| (entry->get_output_prefix_type() != OutputPrefixType::TINK)) { |
| return util::Status(absl::StatusCode::kInvalidArgument, |
| "all JWT keys must be either RAW or TINK"); |
| } |
| } |
| return util::OkStatus(); |
| } |
| |
| util::StatusOr<std::string> JwtPublicKeySignSetWrapper::SignAndEncode( |
| const crypto::tink::RawJwt& token) const { |
| auto primary = jwt_sign_set_->get_primary(); |
| return primary->get_primitive().SignAndEncodeWithKid( |
| token, GetKid(primary->get_key_id(), primary->get_output_prefix_type())); |
| } |
| |
| } // namespace |
| |
| util::StatusOr<std::unique_ptr<JwtPublicKeySign>> JwtPublicKeySignWrapper::Wrap( |
| std::unique_ptr<PrimitiveSet<JwtPublicKeySignInternal>> jwt_sign_set) |
| const { |
| util::Status status = Validate(jwt_sign_set.get()); |
| if (!status.ok()) return status; |
| std::unique_ptr<JwtPublicKeySign> jwt_sign = |
| absl::make_unique<JwtPublicKeySignSetWrapper>(std::move(jwt_sign_set)); |
| return std::move(jwt_sign); |
| } |
| |
| } // namespace jwt_internal |
| } // namespace tink |
| } // namespace crypto |