"$content-disposition":     true,
	"$content-encoding":        true,
	"$expires":                 true,
	"$key":                     true,
	"$success_action_redirect": true,
	"$redirect":                true,
	"$success_action_status":   true,
	"$x-amz-algorithm":         false,
	"$x-amz-credential":        false,
	"$x-amz-date":              false,
}

var postPolicyIgnoreKeys = map[string]bool{
	"Policy":              true,

	}
	object := trimLeadingSlash(formValues.Get("Key"))

	successRedirect := formValues.Get("success_action_redirect")
	successStatus := formValues.Get("success_action_status")
	var redirectURL *url.URL
	if successRedirect != "" {
		redirectURL, err = url.Parse(successRedirect)
		if err != nil {
			writeErrorResponse(ctx, w, errorCodes.ToAPIErr(ErrMalformedPOSTRequest), r.URL)

	// Collection of errors deleting certain objects.
	Errors []DeleteError `xml:"Error,omitempty"`
}

// PostResponse container for POST object request when success_action_status is set to 201
type PostResponse struct {
	Bucket   string
	Key      string
	ETag     string
	Location string
}

// returns "https" if the tls boolean is true, "http" otherwise.