package server

import "net/http"

// MaxBodySize returns a middleware that limits the size of incoming request
// bodies. If the body exceeds n bytes, the server returns 413 Request Entity
// Too Large. It wraps the body with http.MaxBytesReader.
func MaxBodySize(n int64) Middleware {
	return func(next http.Handler) http.Handler {
		return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
			r.Body = http.MaxBytesReader(w, r.Body, n)
			next.ServeHTTP(w, r)
		})
	}
}