blob: ef1fda6cffb5d692f29dc9ef0cefb286f0b5e79a [file] [log] [blame]
// 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