Files
PMail/server/services/setup/ssl.go
jinnrry c0f12558b5 init
2023-08-06 09:33:51 +08:00

104 lines
2.5 KiB
Go

package setup
import (
"crypto"
"crypto/ecdsa"
"crypto/elliptic"
"crypto/rand"
"fmt"
log "github.com/sirupsen/logrus"
"pmail/utils/errors"
"github.com/go-acme/lego/v4/certcrypto"
"github.com/go-acme/lego/v4/certificate"
"github.com/go-acme/lego/v4/challenge/http01"
"github.com/go-acme/lego/v4/challenge/tlsalpn01"
"github.com/go-acme/lego/v4/lego"
"github.com/go-acme/lego/v4/registration"
)
type MyUser struct {
Email string
Registration *registration.Resource
key crypto.PrivateKey
}
func (u *MyUser) GetEmail() string {
return u.Email
}
func (u MyUser) GetRegistration() *registration.Resource {
return u.Registration
}
func (u *MyUser) GetPrivateKey() crypto.PrivateKey {
return u.key
}
func GenSSL() error {
configData, err := readConfig()
if err != nil {
return errors.Wrap(err)
}
// Create a user. New accounts need an email and private key to start.
privateKey, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
if err != nil {
log.Fatal(err)
}
myUser := MyUser{
Email: "i@" + configData.Domain,
key: privateKey,
}
config := lego.NewConfig(&myUser)
config.Certificate.KeyType = certcrypto.RSA2048
// A client facilitates communication with the CA server.
client, err := lego.NewClient(config)
if err != nil {
log.Fatal(err)
}
// We specify an HTTP port of 5002 and an TLS port of 5001 on all interfaces
// because we aren't running as root and can't bind a listener to port 80 and 443
// (used later when we attempt to pass challenges). Keep in mind that you still
// need to proxy challenge traffic to port 5002 and 5001.
err = client.Challenge.SetHTTP01Provider(http01.NewProviderServer("", "5001"))
if err != nil {
log.Fatal(err)
}
err = client.Challenge.SetTLSALPN01Provider(tlsalpn01.NewProviderServer("", "443"))
if err != nil {
log.Fatal(err)
}
// New users will need to register
reg, err := client.Registration.Register(registration.RegisterOptions{TermsOfServiceAgreed: true})
if err != nil {
log.Fatal(err)
}
myUser.Registration = reg
request := certificate.ObtainRequest{
Domains: []string{
fmt.Sprintf("smtp.%s", configData.Domain),
configData.WebDomain,
},
Bundle: true,
}
certificates, err := client.Certificate.Obtain(request)
if err != nil {
log.Fatal(err)
}
// Each certificate comes back with the cert bytes, the bytes of the client's
// private key, and a certificate URL. SAVE THESE TO DISK.
fmt.Printf("%#v\n", certificates)
// ... all done.
return nil
}