agola/internal/util/tls.go

67 lines
1.6 KiB
Go

// Copyright 2019 Sorint.lab
//
// 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 util
import (
"crypto/tls"
"crypto/x509"
"encoding/pem"
"io/ioutil"
"agola.io/agola/internal/errors"
)
func NewTLSConfig(certFile, keyFile, caFile string, insecureSkipVerify bool) (*tls.Config, error) {
tlsConfig := tls.Config{}
// Populate root CA certs
if caFile != "" {
pemBytes, err := ioutil.ReadFile(caFile)
if err != nil {
return nil, errors.WithStack(err)
}
roots := x509.NewCertPool()
for {
var block *pem.Block
block, pemBytes = pem.Decode(pemBytes)
if block == nil {
break
}
cert, err := x509.ParseCertificate(block.Bytes)
if err != nil {
return nil, errors.WithStack(err)
}
roots.AddCert(cert)
}
tlsConfig.RootCAs = roots
}
// Populate keypair
// both must be defined
if certFile != "" && keyFile != "" {
cert, err := tls.LoadX509KeyPair(certFile, keyFile)
if err != nil {
return nil, errors.WithStack(err)
}
tlsConfig.Certificates = []tls.Certificate{cert}
}
tlsConfig.InsecureSkipVerify = insecureSkipVerify
return &tlsConfig, nil
}