users = append(users, selfUser)
	}

	var checkedUserList []string
	if isAll {
		users, err := globalIAMSys.ListUsers(ctx)
		if err != nil {
			writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
			return
		}
		for user := range users {
			checkedUserList = append(checkedUserList, user)
		}
		checkedUserList = append(checkedUserList, globalActiveCred.AccessKey)
	} else {