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subject_value.go
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/
subject_value.go
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package cmd
import (
"crypto/x509/pkix"
"fmt"
"strings"
)
type subjectValue struct {
value *pkix.Name
}
func newSubjectValue(subject *pkix.Name) *subjectValue {
return &subjectValue{
value: subject,
}
}
func (s *subjectValue) Type() string {
return "subject"
}
func (s *subjectValue) String() string {
return s.value.String()
}
func (s *subjectValue) Set(subject string) error {
return parseSubjectInto(subject, s.value, true)
}
func (s *subjectValue) Merge(subject string) error {
return parseSubjectInto(subject, s.value, false)
}
func parseSubjectInto(subject string, target *pkix.Name, overwrite bool) error {
for _, part := range strings.Split(subject, "/") {
if part == "" {
continue
}
parts := strings.SplitN(part, "=", 2)
if len(parts) != 2 {
return fmt.Errorf("failed to parse subject. could not split '%s'", part)
}
key := parts[0]
value := parts[1]
switch key {
case "C":
target.Country = append(target.Country, value)
case "O":
target.Organization = append(target.Organization, value)
case "OU":
target.OrganizationalUnit = append(target.OrganizationalUnit, value)
case "L":
target.Locality = append(target.Locality, value)
case "P":
target.Province = append(target.Province, value)
case "ST":
target.StreetAddress = append(target.StreetAddress, value)
case "STREET":
target.StreetAddress = append(target.StreetAddress, value)
case "POSTALCODE":
target.PostalCode = append(target.PostalCode, value)
case "SERIALNUMBER":
if overwrite {
target.SerialNumber = value
}
case "CN":
if overwrite {
target.CommonName = value
}
default:
return fmt.Errorf("unknown field '%s'", key)
}
}
return nil
}