User:     accessKey,
		}
		if _, err := s.adm.AttachPolicy(ctx, userReq); err != nil {
			c.Fatalf("Unable to attach policy: %v", err)
		}

		accessKeys[i] = accessKey
		secretKeys[i] = secretKey
	}

	g := errgroup.Group{}
	for i := range userCount {
		g.Go(func(i int) func() error {
			return func() error {
				uClient := s.getUserClient(c, accessKeys[i], secretKeys[i], "")

			if err != nil {
				writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
				return
			}
			for _, svc := range serviceAccounts {
				accessKeys.ServiceAccounts = append(accessKeys.ServiceAccounts, madmin.ServiceAccountInfo{
					AccessKey:   svc.AccessKey,
					Expiration:  &svc.Expiration,
					Name:        svc.Name,
					Description: svc.Description,
				})
			}

				readableClaim, _ = accessKey.Claims[rc].(string)
			}
			openIDUserAccessKeys = madmin.OpenIDUserAccessKeys{
				MinioAccessKey: accessKey.ParentUser,
				ID:             id,
				ReadableName:   readableClaim,
			}
		}
		svcAccInfo := madmin.ServiceAccountInfo{
			AccessKey:  accessKey.AccessKey,
			Expiration: &accessKey.Expiration,
		}
		if accessKey.IsServiceAccount() {

	if err != nil {
		c.Fatalf("unable to list svc accounts: %v", err)
	}
	var accessKeys []string
	for _, item := range listResp.Accounts {
		accessKeys = append(accessKeys, item.AccessKey)
	}
	if !set.CreateStringSet(accessKeys...).Contains(svcAK) {
		c.Fatalf("service account did not appear in listing!")
	}
}

	cache := store.rlock()
	defer store.runlock()

	accessKeys := store.getSTSAndServiceAccounts(cache)
	for i, accessKey := range accessKeys {
		accessKeys[i].SecretKey = ""
		if accessKey.IsTemp() {
			secret, err := getTokenSigningKey()
			if err != nil {
				return nil, err
			}
			claims, err := getClaimsFromTokenWithSecret(accessKey.SessionToken, secret)
			if err != nil {

		return
	}

	accessKey := mux.Vars(r)["accessKey"]
	if accessKey == "" {
		accessKey = cred.AccessKey
	}

	u, ok := globalIAMSys.GetUser(ctx, accessKey)
	targetCred := u.Credentials

	if !globalIAMSys.IsAllowed(policy.Args{
		AccountName:     cred.AccessKey,
		Groups:          cred.Groups,

	// policy is inherited from `user.AccessKey`.
	cred.ParentUser = user.AccessKey

	// Set the newly generated credentials.
	updatedAt, err := globalIAMSys.SetTempUser(ctx, cred.AccessKey, cred, "")
	if err != nil {
		writeSTSErrorResponse(ctx, w, ErrSTSInternalError, err)
		return
	}

	// Call hook for site replication.
	if cred.ParentUser != globalActiveCred.AccessKey {

		bucketName string
		accessKey  string
		secretKey  string
		// expected Response.
		expectedRespStatus int
		locationResponse   []byte
		errorResponse      APIErrorResponse
		shouldPass         bool
	}{
		// Test case - 1.
		// Tests for authenticated request and proper response.
		{
			bucketName:         bucketName,
			accessKey:          credentials.AccessKey,
			secretKey:          credentials.SecretKey,

	policy := "policy"
	testCases := []struct {
		accessKey string
		policy    string
		signature string
		errCode   APIErrorCode
	}{
		{"invalidAccessKey", policy, calculateSignatureV2(policy, creds.SecretKey), ErrInvalidAccessKeyID},
		{creds.AccessKey, policy, calculateSignatureV2("random", creds.SecretKey), ErrSignatureDoesNotMatch},
		{creds.AccessKey, policy, calculateSignatureV2(policy, creds.SecretKey), ErrNone},
	}

		{http.StatusNoContent, credentials.SecretKey, map[string]string{"AWSAccessKeyId": credentials.AccessKey}},
		{http.StatusForbidden, credentials.SecretKey, map[string]string{"Awsaccesskeyid": "invalidaccesskey"}},
		{http.StatusForbidden, "invalidsecretkey", map[string]string{"Awsaccesskeyid": credentials.AccessKey}},