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authentik/internal/outpost/ldap/instance_search_group.go
Jens Langhammer 6a8be0dc71 outposts/ldap: improve parsing of LDAP filters
Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org>
2021-07-23 15:41:09 +02:00

50 lines
1 KiB
Go

package ldap
import (
ber "github.com/nmcclain/asn1-ber"
"github.com/nmcclain/ldap"
"goauthentik.io/api"
)
func parseFilterForGroup(req api.ApiCoreGroupsListRequest, f *ber.Packet) api.ApiCoreGroupsListRequest {
switch f.Tag {
case ldap.FilterEqualityMatch:
return parseFilterForGroupSingle(req, f)
case ldap.FilterAnd:
for _, child := range f.Children {
req = parseFilterForGroup(req, child)
}
return req
}
return req
}
func parseFilterForGroupSingle(req api.ApiCoreGroupsListRequest, f *ber.Packet) api.ApiCoreGroupsListRequest {
// We can only handle key = value pairs here
if len(f.Children) < 2 {
return req
}
k := f.Children[0].Value
// Ensure key is string
if _, ok := k.(string); !ok {
return req
}
v := f.Children[1].Value
// Null values are ignored
if v == nil {
return req
}
// Switch on type of the value, then check the key
switch vv := v.(type) {
case string:
switch k {
case "cn":
return req.Name(vv)
}
// TODO: Support int
default:
return req
}
return req
}