chore: new Random TLS KeyPair when empty input

This commit is contained in:
gVisor bot 2023-01-18 12:06:36 +08:00
parent 48eaa4dc5c
commit 1a902df48b

View File

@ -1,11 +1,19 @@
package net
import (
"crypto/rand"
"crypto/rsa"
"crypto/tls"
"crypto/x509"
"encoding/pem"
"fmt"
"math/big"
)
func ParseCert(certificate, privateKey string) (tls.Certificate, error) {
if certificate == "" || privateKey == "" {
return newRandomTLSKeyPair()
}
cert, painTextErr := tls.X509KeyPair([]byte(certificate), []byte(privateKey))
if painTextErr == nil {
return cert, nil
@ -17,3 +25,28 @@ func ParseCert(certificate, privateKey string) (tls.Certificate, error) {
}
return cert, nil
}
func newRandomTLSKeyPair() (tls.Certificate, error) {
key, err := rsa.GenerateKey(rand.Reader, 2048)
if err != nil {
return tls.Certificate{}, err
}
template := x509.Certificate{SerialNumber: big.NewInt(1)}
certDER, err := x509.CreateCertificate(
rand.Reader,
&template,
&template,
&key.PublicKey,
key)
if err != nil {
return tls.Certificate{}, err
}
keyPEM := pem.EncodeToMemory(&pem.Block{Type: "RSA PRIVATE KEY", Bytes: x509.MarshalPKCS1PrivateKey(key)})
certPEM := pem.EncodeToMemory(&pem.Block{Type: "CERTIFICATE", Bytes: certDER})
tlsCert, err := tls.X509KeyPair(certPEM, keyPEM)
if err != nil {
return tls.Certificate{}, err
}
return tlsCert, nil
}