// Package httplimits shares the application body policy across transports.
package httplimits

import "net/http"

const (
	DefaultBodyBytes int64 = 8 << 20
	MaxBodyBytes     int64 = 1 << 40
)

// RejectBody tells cooperating transports not to drain a rejected body. The
// semantic failure must survive encoders that map business failures to HTTP 200.
func RejectBody(w http.ResponseWriter) {
	for {
		if reject, ok := w.(interface{ RequestBodyTooLarge() }); ok {
			reject.RequestBodyTooLarge()
			return
		}
		unwrap, ok := w.(interface{ Unwrap() http.ResponseWriter })
		if !ok {
			return
		}
		w = unwrap.Unwrap()
	}
}