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/*
* Copyright 2020 The NATS Authors
* 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.
*/
package jwt
import (
"encoding/json"
"fmt"
)
type v1NatsOperator struct {
SigningKeys StringList `json:"signing_keys,omitempty"`
AccountServerURL string `json:"account_server_url,omitempty"`
OperatorServiceURLs StringList `json:"operator_service_urls,omitempty"`
SystemAccount string `json:"system_account,omitempty"`
}
func loadOperator(data []byte, version int) (*OperatorClaims, error) {
switch version {
case 1:
var v1a v1OperatorClaims
if err := json.Unmarshal(data, &v1a); err != nil {
return nil, err
}
return v1a.Migrate()
case 2:
var v2a OperatorClaims
if err := json.Unmarshal(data, &v2a); err != nil {
return nil, err
}
return &v2a, nil
default:
return nil, fmt.Errorf("library supports version %d or less - received %d", libVersion, version)
}
}
type v1OperatorClaims struct {
ClaimsData
v1ClaimsDataDeletedFields
v1NatsOperator `json:"nats,omitempty"`
}
func (oa v1OperatorClaims) Migrate() (*OperatorClaims, error) {
return oa.migrateV1()
}
func (oa v1OperatorClaims) migrateV1() (*OperatorClaims, error) {
var a OperatorClaims
// copy the base claim
a.ClaimsData = oa.ClaimsData
// move the moved fields
a.Operator.Type = oa.v1ClaimsDataDeletedFields.Type
a.Operator.Tags = oa.v1ClaimsDataDeletedFields.Tags
// copy the account data
a.Operator.SigningKeys = oa.v1NatsOperator.SigningKeys
a.Operator.AccountServerURL = oa.v1NatsOperator.AccountServerURL
a.Operator.OperatorServiceURLs = oa.v1NatsOperator.OperatorServiceURLs
a.Operator.SystemAccount = oa.v1NatsOperator.SystemAccount
a.Version = 1
return &a, nil
}
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