/
github_app_jwt.go
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/
github_app_jwt.go
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//
// Copyright 2024 Stacklok, Inc
//
// 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 credentials
import (
"crypto/rsa"
"fmt"
"strconv"
"time"
"github.com/golang-jwt/jwt/v4"
)
// CreateGitHubAppJWT creates a JWT token for a GitHub App
func CreateGitHubAppJWT(appId int64, privateKey *rsa.PrivateKey) (string, error) {
// Create the Claims
claims := jwt.MapClaims{
"iat": time.Now().Unix(),
"exp": time.Now().Add(time.Minute * 10).Unix(),
"iss": strconv.FormatInt(appId, 10),
}
token := jwt.NewWithClaims(jwt.SigningMethodRS256, claims)
jwtToken, err := token.SignedString(privateKey)
if err != nil {
return "", fmt.Errorf("unable to sign JWT token: %v", err)
}
return jwtToken, nil
}