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							53 lines
						
					
					
						
							1.6 KiB
						
					
					
				| // 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 { | |
| 	// The maximum number of bytes to allow reading from the body by a later handler. | |
| 	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", | |
| 		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)
 | |
| 
 |