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gen.go
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gen.go
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/*
* Copyright 2021 Wang Min Xiang
*
* 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 ssc
import (
"fmt"
"github.com/aacfactory/afssl"
"io/ioutil"
"path/filepath"
)
func generate(cn string, full bool, outputDir string) (err error) {
ca, caKey, caErr := create(cn, nil, nil)
if caErr != nil {
return
}
var serverCrt, serverKey []byte
var clientCrt, clientKey []byte
if full {
serverCrt, serverKey, err = create(cn, ca, caKey)
if err != nil {
return
}
clientCrt, clientKey, err = create(cn, ca, caKey)
if err != nil {
return
}
}
err = ioutil.WriteFile(filepath.Join(outputDir, "ca.crt"), ca, 0600)
if err != nil {
err = fmt.Errorf("fnc: create ssc failed, %v", err)
return
}
err = ioutil.WriteFile(filepath.Join(outputDir, "ca.key"), caKey, 0600)
if err != nil {
err = fmt.Errorf("fnc: create ssc failed, %v", err)
return
}
if full {
err = ioutil.WriteFile(filepath.Join(outputDir, "server.crt"), serverCrt, 0600)
if err != nil {
err = fmt.Errorf("fnc: create ssc failed, %v", err)
return
}
err = ioutil.WriteFile(filepath.Join(outputDir, "server.key"), serverKey, 0600)
if err != nil {
err = fmt.Errorf("fnc: create ssc failed, %v", err)
return
}
err = ioutil.WriteFile(filepath.Join(outputDir, "client.crt"), clientCrt, 0600)
if err != nil {
err = fmt.Errorf("fnc: create ssc failed, %v", err)
return
}
err = ioutil.WriteFile(filepath.Join(outputDir, "client.key"), clientKey, 0600)
if err != nil {
err = fmt.Errorf("fnc: create ssc failed, %v", err)
return
}
}
return
}
func create(cn string, ca []byte, caKey []byte) (cert []byte, key []byte, err error) {
config := afssl.CertificateConfig{
Country: "",
Province: "",
City: "",
Organization: "",
OrganizationalUnit: "",
CommonName: cn,
IPs: nil,
Emails: nil,
DNSNames: nil,
}
if ca == nil || len(ca) == 0 {
// ca
cert, key, err = afssl.GenerateCertificate(config, afssl.CA())
if err != nil {
err = fmt.Errorf("fnc: create ssc failed")
return
}
return
}
cert, key, err = afssl.GenerateCertificate(config, afssl.WithParent(ca, caKey))
if err != nil {
err = fmt.Errorf("fnc: create ssc failed")
return
}
return
}