// operation is allowed only for owner.
	return args.IsOwner
}

// NewPolicySys - creates new policy system.
func NewPolicySys() *PolicySys {
	return &PolicySys{}
}

func getSTSConditionValues(r *http.Request, lc string, cred auth.Credentials) map[string][]string {
	m := make(map[string][]string)
	if d := r.Form.Get("DurationSeconds"); d != "" {
		m["DurationSeconds"] = []string{d}
	}
	return m
}

				return
			}
		}

		if !globalIAMSys.doesPolicyAllow(p, policy.Args{
			DenyOnly:        true,
			Action:          policy.AssumeRoleWithWebIdentityAction,
			ConditionValues: getSTSConditionValues(r, "", cred),
			Claims:          cred.Claims,
		}) {
			writeSTSErrorResponse(ctx, w, ErrSTSAccessDenied, errors.New("this user does not have enough permission"))
			return
		}
	}