74 lines
1.7 KiB
Go
74 lines
1.7 KiB
Go
// Copyright 2016 The etcd 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 tlsutil
|
|
|
|
import (
|
|
"crypto/tls"
|
|
"crypto/x509"
|
|
"encoding/pem"
|
|
"io/ioutil"
|
|
)
|
|
|
|
// NewCertPool creates x509 certPool with provided CA files.
|
|
func NewCertPool(CAFiles []string) (*x509.CertPool, error) {
|
|
certPool := x509.NewCertPool()
|
|
|
|
for _, CAFile := range CAFiles {
|
|
pemByte, err := ioutil.ReadFile(CAFile)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
for {
|
|
var block *pem.Block
|
|
block, pemByte = pem.Decode(pemByte)
|
|
if block == nil {
|
|
break
|
|
}
|
|
cert, err := x509.ParseCertificate(block.Bytes)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
certPool.AddCert(cert)
|
|
}
|
|
}
|
|
|
|
return certPool, nil
|
|
}
|
|
|
|
// NewCert generates TLS cert by using the given cert,key and parse function.
|
|
func NewCert(certfile, keyfile string, parseFunc func([]byte, []byte) (tls.Certificate, error)) (*tls.Certificate, error) {
|
|
cert, err := ioutil.ReadFile(certfile)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
key, err := ioutil.ReadFile(keyfile)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
if parseFunc == nil {
|
|
parseFunc = tls.X509KeyPair
|
|
}
|
|
|
|
tlsCert, err := parseFunc(cert, key)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return &tlsCert, nil
|
|
}
|