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authentik/internal/outpost/ldap/utils/utils.go

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package utils
import (
"fmt"
"strconv"
"strings"
"github.com/nmcclain/ldap"
ldapConstants "goauthentik.io/internal/outpost/ldap/constants"
)
func AttributeKeySanitize(key string) string {
return strings.ReplaceAll(
strings.ReplaceAll(key, "/", "-"),
".",
"",
)
}
func stringify(in interface{}) *string {
switch t := in.(type) {
case string:
return &t
case *string:
return t
case bool:
s := strconv.FormatBool(t)
return &s
case float32:
s := strconv.FormatFloat(float64(t), 'f', -1, 64)
return &s
case float64:
s := strconv.FormatFloat(t, 'f', -1, 64)
return &s
case int:
s := strconv.FormatInt(int64(t), 10)
return &s
default:
if in != nil {
s := fmt.Sprintf("%s", in)
return &s
}
return nil
}
}
func AttributesToLDAP(attrs map[string]interface{}, sanitize bool) []*ldap.EntryAttribute {
attrList := []*ldap.EntryAttribute{}
if attrs == nil {
return attrList
}
for attrKey, attrValue := range attrs {
entry := &ldap.EntryAttribute{Name: attrKey}
if sanitize {
entry.Name = AttributeKeySanitize(attrKey)
}
switch t := attrValue.(type) {
case []string:
entry.Values = t
case *[]string:
entry.Values = *t
case []interface{}:
entry.Values = make([]string, len(t))
for idx, v := range t {
v := stringify(v)
if v != nil {
entry.Values[idx] = *v
}
}
default:
v := stringify(t)
if v != nil {
entry.Values = []string{*v}
}
}
attrList = append(attrList, entry)
}
return attrList
}
func EnsureAttributes(attrs []*ldap.EntryAttribute, shouldHave map[string][]string) []*ldap.EntryAttribute {
for name, values := range shouldHave {
attrs = MustHaveAttribute(attrs, name, values)
}
return attrs
}
func MustHaveAttribute(attrs []*ldap.EntryAttribute, name string, value []string) []*ldap.EntryAttribute {
shouldSet := true
for _, attr := range attrs {
if attr.Name == name {
shouldSet = false
}
}
if shouldSet {
return append(attrs, &ldap.EntryAttribute{
Name: name,
Values: value,
})
}
return attrs
}
func IncludeObjectClass(searchOC string, ocs map[string]bool) bool {
if searchOC == "" {
return true
}
for key, value := range ocs {
if strings.EqualFold(key, searchOC) {
return value
}
}
return false
}
func GetContainerEntry(filterOC string, dn string, ou string) *ldap.Entry {
if IncludeObjectClass(filterOC, ldapConstants.GetContainerOCs()) {
return &ldap.Entry{
DN: dn,
Attributes: []*ldap.EntryAttribute{
{
Name: "distinguishedName",
Values: []string{dn},
},
{
Name: "objectClass",
Values: []string{"top", "nsContainer"},
},
{
Name: "commonName",
Values: []string{ou},
},
},
}
}
return nil
}
func HasSuffixNoCase(s1 string, s2 string) bool {
return strings.HasSuffix(strings.ToLower(s1), strings.ToLower(s2))
}