forked from kubernetes/kops
/
pkix.go
67 lines (61 loc) · 1.18 KB
/
pkix.go
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package main
import (
"bytes"
"crypto/x509/pkix"
"fmt"
"strings"
)
func pkixNameToString(name *pkix.Name) string {
seq := name.ToRDNSequence()
var s bytes.Buffer
for _, rdnSet := range seq {
for _, rdn := range rdnSet {
if s.Len() != 0 {
s.WriteString(",")
}
key := ""
t := rdn.Type
if len(t) == 4 && t[0] == 2 && t[1] == 5 && t[2] == 4 {
switch t[3] {
case 3:
key = "cn"
case 5:
key = "serial"
case 6:
key = "c"
case 7:
key = "l"
case 10:
key = "o"
case 11:
key = "ou"
}
}
if key == "" {
key = t.String()
}
s.WriteString(fmt.Sprintf("%v=%v", key, rdn.Value))
}
}
return s.String()
}
func parsePkixName(s string) (*pkix.Name, error) {
name := new(pkix.Name)
tokens := strings.Split(s, ",")
for _, token := range tokens {
token = strings.TrimSpace(token)
kv := strings.SplitN(token, "=", 2)
if len(kv) != 2 {
return nil, fmt.Errorf("unrecognized token (expected k=v): %q", token)
}
k := strings.ToLower(kv[0])
v := kv[1]
switch k {
case "cn":
name.CommonName = v
default:
return nil, fmt.Errorf("unrecognized key %q in token %q", k, token)
}
}
return name, nil
}