39 lines
1.0 KiB
Go
39 lines
1.0 KiB
Go
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// Copyright 2019 Sorint.lab
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package handlers
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import "net/http"
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type maxBytesHandler struct {
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h http.Handler
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n int64
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}
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func NewMaxBytesHandler(h http.Handler, n int64) *maxBytesHandler {
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return &maxBytesHandler{
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h: h,
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n: n,
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}
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}
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func (h *maxBytesHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
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if r.ContentLength > h.n {
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http.Error(w, "request too large", http.StatusExpectationFailed)
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return
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}
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r.Body = http.MaxBytesReader(w, r.Body, h.n)
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h.h.ServeHTTP(w, r)
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}
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