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sign.go
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sign.go
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// Copyright 2023 The Cockroach 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.
//
// SPDX-License-Identifier: Apache-2.0
package jwt
import (
"crypto"
"github.com/cockroachdb/replicator/internal/util/ident"
"github.com/gofrs/uuid"
"github.com/golang-jwt/jwt/v4"
"github.com/pkg/errors"
)
// NewClaim returns a minimal clam that would provide access to the
// requested schemas.
func NewClaim(schemas []ident.Schema) (Claims, error) {
uuid, err := uuid.NewV4()
if err != nil {
return Claims{}, errors.WithStack(err)
}
cl := Claims{
RegisteredClaims: jwt.RegisteredClaims{
ID: uuid.String(),
Issuer: "replicator",
},
Ext: ClaimData{
Schemas: schemas,
},
}
return cl, nil
}
// Sign generates a new JWT that is compatible with Replicator. This
// method is used for testing and for the example quickstart.
func Sign(
method jwt.SigningMethod, key crypto.PrivateKey, schemas []ident.Schema,
) (Claims, string, error) {
cl, err := NewClaim(schemas)
if err != nil {
return cl, "", err
}
tkn := jwt.New(method)
tkn.Claims = cl
ret, err := tkn.SignedString(key)
return cl, ret, errors.WithStack(err)
}