go_study/fabric-main/common/fabhttp/tls.go

56 lines
1.1 KiB
Go

/*
Copyright IBM Corp All Rights Reserved.
SPDX-License-Identifier: Apache-2.0
*/
package fabhttp
import (
"crypto/tls"
"crypto/x509"
"io/ioutil"
"github.com/hyperledger/fabric/internal/pkg/comm"
)
type TLS struct {
Enabled bool
CertFile string
KeyFile string
ClientCertRequired bool
ClientCACertFiles []string
}
func (t TLS) Config() (*tls.Config, error) {
var tlsConfig *tls.Config
if t.Enabled {
cert, err := tls.LoadX509KeyPair(t.CertFile, t.KeyFile)
if err != nil {
return nil, err
}
caCertPool := x509.NewCertPool()
for _, caPath := range t.ClientCACertFiles {
caPem, err := ioutil.ReadFile(caPath)
if err != nil {
return nil, err
}
caCertPool.AppendCertsFromPEM(caPem)
}
tlsConfig = &tls.Config{
MinVersion: tls.VersionTLS12,
Certificates: []tls.Certificate{cert},
CipherSuites: comm.DefaultTLSCipherSuites,
ClientCAs: caCertPool,
}
if t.ClientCertRequired {
tlsConfig.ClientAuth = tls.RequireAndVerifyClientCert
} else {
tlsConfig.ClientAuth = tls.VerifyClientCertIfGiven
}
}
return tlsConfig, nil
}