package utils import ( "beryju.io/ldap" goldap "github.com/go-ldap/ldap/v3" ber "github.com/nmcclain/asn1-ber" "goauthentik.io/api/v3" "goauthentik.io/internal/outpost/ldap/constants" ) func ParseFilterForUser(req api.ApiCoreUsersListRequest, f *ber.Packet, skip bool) (api.ApiCoreUsersListRequest, bool) { switch f.Tag { case ldap.FilterEqualityMatch: return parseFilterForUserSingle(req, f) case ldap.FilterAnd: for _, child := range f.Children { r, s := ParseFilterForUser(req, child, skip) skip = skip || s req = r } return req, skip } return req, skip } func parseFilterForUserSingle(req api.ApiCoreUsersListRequest, f *ber.Packet) (api.ApiCoreUsersListRequest, bool) { // We can only handle key = value pairs here if len(f.Children) < 2 { return req, false } k := f.Children[0].Value // Ensure key is string if _, ok := k.(string); !ok { return req, false } v := f.Children[1].Value // Null values are ignored if v == nil { return req, false } val := stringify(v) if val == nil { return req, false } switch k { case "cn": return req.Username(*val), false case "name": case "displayName": return req.Name(*val), false case "mail": return req.Email(*val), false case "member": fallthrough case "memberOf": groupDN, err := goldap.ParseDN(*val) if err != nil { return req.GroupsByName([]string{*val}), false } name := groupDN.RDNs[0].Attributes[0].Value // If the DN's first ou is virtual-groups, ignore this filter if len(groupDN.RDNs) > 1 { if groupDN.RDNs[1].Attributes[0].Value == constants.OUUsers || groupDN.RDNs[1].Attributes[0].Value == constants.OUVirtualGroups { // Since we know we're not filtering anything, skip this request return req, true } } return req.GroupsByName([]string{name}), false } return req, false }