1 // Copyright 2021 Google LLC 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 // 15 /////////////////////////////////////////////////////////////////////////////// 16 17 #ifndef TINK_JWT_INTERNAL_JWT_MAC_IMPL_H_ 18 #define TINK_JWT_INTERNAL_JWT_MAC_IMPL_H_ 19 20 #include <memory> 21 #include <string> 22 #include <utility> 23 24 #include "absl/strings/string_view.h" 25 #include "tink/jwt/internal/jwt_mac_internal.h" 26 #include "tink/jwt/jwt_mac.h" 27 #include "tink/jwt/jwt_validator.h" 28 #include "tink/jwt/raw_jwt.h" 29 #include "tink/jwt/verified_jwt.h" 30 #include "tink/mac.h" 31 #include "tink/util/status.h" 32 #include "tink/util/statusor.h" 33 34 namespace crypto { 35 namespace tink { 36 namespace jwt_internal { 37 38 class JwtMacImpl : public JwtMacInternal { 39 public: JwtMacImpl(std::unique_ptr<crypto::tink::Mac> mac,absl::string_view algorithm,absl::optional<absl::string_view> custom_kid)40 explicit JwtMacImpl(std::unique_ptr<crypto::tink::Mac> mac, 41 absl::string_view algorithm, 42 absl::optional<absl::string_view> custom_kid) { 43 mac_ = std::move(mac); 44 algorithm_ = std::string(algorithm); 45 if (custom_kid.has_value()) { 46 custom_kid_ = std::string(*custom_kid); 47 } 48 } 49 50 crypto::tink::util::StatusOr<std::string> ComputeMacAndEncodeWithKid( 51 const crypto::tink::RawJwt& token, 52 absl::optional<absl::string_view> kid) const override; 53 54 crypto::tink::util::StatusOr<crypto::tink::VerifiedJwt> 55 VerifyMacAndDecodeWithKid( 56 absl::string_view compact, const crypto::tink::JwtValidator& validator, 57 absl::optional<absl::string_view> kid) const override; 58 59 private: 60 std::unique_ptr<crypto::tink::Mac> mac_; 61 std::string algorithm_; 62 absl::optional<std::string> custom_kid_; 63 }; 64 65 } // namespace jwt_internal 66 } // namespace tink 67 } // namespace crypto 68 69 #endif // TINK_JWT_INTERNAL_JWT_MAC_IMPL_H_ 70