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// Copyright 2015 Matthew Holt and The Caddy Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package requestbody
import (
"net/http"
"github.com/caddyserver/caddy/v2"
"github.com/caddyserver/caddy/v2/modules/caddyhttp"
)
func init() {
caddy.RegisterModule(RequestBody{})
}
// RequestBody is a middleware for manipulating the request body.
type RequestBody struct {
MaxSize int64 `json:"max_size,omitempty"`
}
// CaddyModule returns the Caddy module information.
func (RequestBody) CaddyModule() caddy.ModuleInfo {
return caddy.ModuleInfo{
ID: "http.handlers.request_body", // TODO: better name for this?
New: func() caddy.Module { return new(RequestBody) },
}
}
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)
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