package requestbody import ( "net/http" "github.com/caddyserver/caddy2" "github.com/caddyserver/caddy2/modules/caddyhttp" ) func init() { caddy2.RegisterModule(caddy2.Module{ Name: "http.middleware.request_body", New: func() interface{} { return new(RequestBody) }, }) } // RequestBody is a middleware for manipulating the request body. type RequestBody struct { MaxSize int64 `json:"max_size,omitempty"` } func (rb RequestBody) ServeHTTP(w http.ResponseWriter, r *http.Request, next caddyhttp.Handler) error { if r.Body == nil { return next.ServeHTTP(w, r) } if rb.MaxSize > 0 { r.Body = http.MaxBytesReader(w, r.Body, rb.MaxSize) } return next.ServeHTTP(w, r) } // Interface guard var _ caddyhttp.MiddlewareHandler = (*RequestBody)(nil)