Message          string
	Key              string `xml:"Key,omitempty" json:"Key,omitempty"`
	BucketName       string `xml:"BucketName,omitempty" json:"BucketName,omitempty"`
	Resource         string
	Region           string `xml:"Region,omitempty" json:"Region,omitempty"`
	RequestID        string `xml:"RequestId" json:"RequestId"`
	HostID           string `xml:"HostId" json:"HostId"`

	globalServerConfigMu.RLock()
	s := globalServerConfig
	globalServerConfigMu.RUnlock()

	openidConfig, err := openid.LookupConfig(s,
		NewHTTPTransport(), xhttp.DrainBody, globalSite.Region)
	if err != nil {
		iamLogIf(ctx, fmt.Errorf("Unable to initialize OpenID: %w", err), logger.WarningKind)
	}

	// Initialize if LDAP is enabled
	ldapConfig, err := xldap.Lookup(s, globalRootCAs)

	if accessKeyID == "" || secretAccessKey == "" {
		return errors.New("Presign cannot be generated without access and secret keys")
	}

	region := globalSite.Region
	date := UTCNow()
	scope := getScope(date, region)
	credential := fmt.Sprintf("%s/%s", accessKeyID, scope)

	// Set URL query.
	query := req.URL.Query()
	query.Set("X-Amz-Algorithm", signV4Algorithm)

		return
	}

	// Generate response.
	encodedSuccessResponse := encodeResponse(LocationResponse{})
	// Get current region.
	region := globalSite.Region
	if region != globalMinioDefaultRegion {
		encodedSuccessResponse = encodeResponse(LocationResponse{
			Location: region,
		})
	}

	// Write success response.
	writeSuccessResponseXML(w, encodedSuccessResponse)
}

            "userIdentity": {
                "principalId": "AKIAIOSFODNN7EXAMPLE"
            },
            "requestParameters": {
                "accessKey": "AKIAIOSFODNN7EXAMPLE",
                "region": "",
                "sourceIPAddress": "192.168.56.192"
            },
            "responseElements": {
                "x-amz-request-id": "15C3249451E12784",

	objectAPI, _ := validateAdminReq(ctx, w, r, policy.CreatePolicyAdminAction)
	if objectAPI == nil {
		return
	}

	vars := mux.Vars(r)
	policyName := vars["name"]

	// Policy has space characters in begin and end reject such inputs.
	if hasSpaceBE(policyName) {
		writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrAdminResourceInvalidArgument), r.URL)
		return
	}

	// Error out if Content-Length is missing.