mirror of
https://github.com/42wim/matterbridge
synced 2024-11-03 15:40:24 +00:00
51 lines
1.4 KiB
Go
51 lines
1.4 KiB
Go
|
// Copyright 2018 The Go Authors. All rights reserved.
|
||
|
|
// Use of this source code is governed by a BSD-style
|
||
|
|
// license that can be found in the LICENSE file.
|
||
|
|
|
||
|
|
// Package httpguts provides functions implementing various details
|
||
|
|
// of the HTTP specification.
|
||
|
|
//
|
||
|
|
// This package is shared by the standard library (which vendors it)
|
||
|
|
// and x/net/http2. It comes with no API stability promise.
|
||
|
|
package httpguts
|
||
|
|
|
||
|
|
import (
|
||
|
|
"net/textproto"
|
||
|
|
"strings"
|
||
|
|
)
|
||
|
|
|
||
|
|
// ValidTrailerHeader reports whether name is a valid header field name to appear
|
||
|
|
// in trailers.
|
||
|
|
// See RFC 7230, Section 4.1.2
|
||
|
|
func ValidTrailerHeader(name string) bool {
|
||
|
|
name = textproto.CanonicalMIMEHeaderKey(name)
|
||
|
|
if strings.HasPrefix(name, "If-") || badTrailer[name] {
|
||
|
|
return false
|
||
|
|
}
|
||
|
|
return true
|
||
|
|
}
|
||
|
|
|
||
|
|
var badTrailer = map[string]bool{
|
||
|
|
"Authorization": true,
|
||
|
|
"Cache-Control": true,
|
||
|
|
"Connection": true,
|
||
|
|
"Content-Encoding": true,
|
||
|
|
"Content-Length": true,
|
||
|
|
"Content-Range": true,
|
||
|
|
"Content-Type": true,
|
||
|
|
"Expect": true,
|
||
|
|
"Host": true,
|
||
|
|
"Keep-Alive": true,
|
||
|
|
"Max-Forwards": true,
|
||
|
|
"Pragma": true,
|
||
|
|
"Proxy-Authenticate": true,
|
||
|
|
"Proxy-Authorization": true,
|
||
|
|
"Proxy-Connection": true,
|
||
|
|
"Range": true,
|
||
|
|
"Realm": true,
|
||
|
|
"Te": true,
|
||
|
|
"Trailer": true,
|
||
|
|
"Transfer-Encoding": true,
|
||
|
|
"Www-Authenticate": true,
|
||
|
|
}
|