nextcloud / server

		}

		//if group really still exists, we will be able to read its objectclass

		if(!is_array($this->access->readAttribute($dn, ''))) {

			$this->access->connection->writeToCache('groupExists'.$gid, false);

			return false;

		}

		$this->access->connection->writeToCache('groupExists'.$gid, true);

		return true;

				}

				$newDn = $this->access->getUserDnByUuid($uuid);

				//check if renamed user is still valid by reapplying the ldap filter

				if(!is_array($this->access->readAttribute($newDn, '', $this->access->connection->ldapUserFilter))) {

					return false;

				}

				$this->access->getUserMapper()->setDNbyUUID($newDn, $uuid);

				return true;