Files
cloudpods/pkg/util/seclib2/certfile.go
2022-12-27 01:21:26 +08:00

69 lines
1.8 KiB
Go

// Copyright 2019 Yunion
//
// 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 seclib2
import (
"crypto/rsa"
"fmt"
"io/ioutil"
"strings"
"yunion.io/x/pkg/util/seclib"
)
const (
certBeginString = "BEGIN CERTIFICATE"
)
// MergeCaCertFiles concatenates cert and ca file to form a chain, write it to
// a tmpfile then return the path
//
// Callers are responsible for removing the returned tmpfile
func MergeCaCertFiles(cafile string, certfile string) (string, error) {
tmpfile, err := ioutil.TempFile("", "cerfile.*.crt")
if err != nil {
return "", fmt.Errorf("fail to open tempfile for ca cerfile: %s", err)
}
defer tmpfile.Close()
cont, err := ioutil.ReadFile(certfile)
if err != nil {
return "", fmt.Errorf("fail to read certfile %s", err)
}
offset := strings.Index(string(cont), certBeginString)
if offset < 0 {
return "", fmt.Errorf("invalid certfile, no BEGIN CERTIFICATE found")
}
for offset > 0 && cont[offset-1] == '-' {
offset -= 1
}
tmpfile.Write(cont[offset:])
cont, err = ioutil.ReadFile(cafile)
if err != nil {
return "", fmt.Errorf("fail to read cafile %s", err)
}
tmpfile.Write(cont)
return tmpfile.Name(), nil
}
func CleanCertificate(cert string) string {
return seclib.CleanCertificate(cert)
}
func DecodePrivateKey(keyString []byte) (*rsa.PrivateKey, error) {
return seclib.DecodePrivateKey(keyString)
}