dragonfly/pkg/rpc/credential.go

51 lines
1.5 KiB
Go

/*
* Copyright 2022 The Dragonfly 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 rpc
import (
"crypto/tls"
"crypto/x509"
"errors"
"github.com/johanbrandhorst/certify"
"google.golang.org/grpc/credentials"
)
// NewServerCredentialsByCertify returns server transport credentials by certify.
func NewServerCredentialsByCertify(tlsVerify bool, tlsCACert *tls.Certificate, certifyClient *certify.Certify) (credentials.TransportCredentials, error) {
if !tlsVerify {
return credentials.NewTLS(&tls.Config{
GetCertificate: certifyClient.GetCertificate,
}), nil
}
certPool := x509.NewCertPool()
for _, cert := range tlsCACert.Certificate {
if !certPool.AppendCertsFromPEM(cert) {
return nil, errors.New("invalid CA Cert")
}
}
tlsConfig := &tls.Config{
GetCertificate: certifyClient.GetCertificate,
ClientAuth: tls.RequireAndVerifyClientCert,
ClientCAs: certPool,
}
return credentials.NewTLS(tlsConfig), nil
}