return false
		}
	}
	return true
}

// newRegionFilter creates a new region filter from URL query variables.
func newRegionFilter(r *http.Request) (*regionFilter, error) {
	if err := r.ParseForm(); err != nil {
		return nil, err
	}

	var name []string
	var conditions []func(*parsedTrace, *trace.UserRegionSummary) bool
	filterParams := make(url.Values)

	param := r.Form

	writeJSON(w, s.Env.EndpointIndex.Shardz(), req)
}

func (s *DiscoveryServer) cachez(w http.ResponseWriter, req *http.Request) {
	if err := req.ParseForm(); err != nil {
		w.WriteHeader(http.StatusBadRequest)
		_, _ = w.Write([]byte("Failed to parse request\n"))
		return
	}
	if req.Form.Get("clear") != "" {
		s.Cache.ClearAll()

func (s *storageRESTServer) IsValid(w http.ResponseWriter, r *http.Request) bool {
	if !s.IsAuthValid(w, r) {
		return false
	}

	if err := r.ParseForm(); err != nil {
		s.writeErrorResponse(w, err)
		return false
	}

	diskID := r.Form.Get(storageRESTDiskID)
	if diskID == "" {
		// Request sent empty disk-id, we allow the request