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| author | wxiaoguang <wxiaoguang@gmail.com> | 2021-11-01 16:39:52 +0800 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-11-01 16:39:52 +0800 |
| commit | 599ff1c054e436daa4dc3f049aa8661d9c2395f9 (patch) | |
| tree | 800983fd2e9d9de3dd1977738d18b64df34dd9ea /modules/util/net.go | |
| parent | 4e8a81780ed4ff0423e3a2ac7f75265e362ca46d (diff) | |
| download | gitea-599ff1c054e436daa4dc3f049aa8661d9c2395f9.tar.gz gitea-599ff1c054e436daa4dc3f049aa8661d9c2395f9.zip | |
Only allow webhook to send requests to allowed hosts (#17482)
Diffstat (limited to 'modules/util/net.go')
| -rw-r--r-- | modules/util/net.go | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/modules/util/net.go b/modules/util/net.go new file mode 100644 index 0000000000..54c0a2ca39 --- /dev/null +++ b/modules/util/net.go @@ -0,0 +1,19 @@ +// 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 +} |