func mustGetClaimsFromToken(r *http.Request) map[string]interface{} {
	claims, _ := getClaimsFromToken(getSessionToken(r))
	return claims
}

func getClaimsFromTokenWithSecret(token, secret string) (*xjwt.MapClaims, error) {
	// JWT token for x-amz-security-token is signed with admin
	// secret key, temporary credentials become invalid if