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// Copyright 2024 OpenPubkey
//
// 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.
//
// SPDX-License-Identifier: Apache-2.0
package oidc
import (
"encoding/json"
"github.com/openpubkey/openpubkey/util"
)
type Signature struct {
Protected string `json:"protected"` // Base64 encoded
protectedClaims *ProtectedClaims // Unmarshalled protected claims
Public map[string]interface{} `json:"header,omitempty"`
Signature string `json:"signature"` // Base64 encoded
}
type ProtectedClaims struct {
Alg string `json:"alg"`
Jkt string `json:"jkt,omitempty"`
KeyID string `json:"kid,omitempty"`
Type string `json:"typ,omitempty"`
CIC string `json:"cic,omitempty"`
}
func (s *Signature) GetTyp() (string, error) {
decodedProtected, err := util.Base64DecodeForJWT([]byte(s.Protected))
if err != nil {
return "", err
}
type protectedTyp struct {
Typ string `json:"typ"`
}
var ph protectedTyp
err = json.Unmarshal(decodedProtected, &ph)
if err != nil {
return "", err
}
return ph.Typ, nil
}
func (s *Signature) GetProtectedClaims() *ProtectedClaims {
return s.protectedClaims
}
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