mirror of
https://codeberg.org/forgejo/forgejo.git
synced 2024-12-23 07:43:18 -05:00
19 lines
536 B
Go
19 lines
536 B
Go
// Copyright 2021 The Gitea Authors. All rights reserved.
|
|
// Use of this source code is governed by a MIT-style
|
|
// license that can be found in the LICENSE file.
|
|
|
|
package util
|
|
|
|
import (
|
|
"net"
|
|
)
|
|
|
|
// IsIPPrivate for net.IP.IsPrivate. TODO: replace with `ip.IsPrivate()` if min go version is bumped to 1.17
|
|
func IsIPPrivate(ip net.IP) bool {
|
|
if ip4 := ip.To4(); ip4 != nil {
|
|
return ip4[0] == 10 ||
|
|
(ip4[0] == 172 && ip4[1]&0xf0 == 16) ||
|
|
(ip4[0] == 192 && ip4[1] == 168)
|
|
}
|
|
return len(ip) == net.IPv6len && ip[0]&0xfe == 0xfc
|
|
}
|