use IsLoopback (#19477) Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>

Changes

1 changed files (+1/-23)

• modules/validation/helpers.go
  • @@ -13,32 +13,10 @@ import (
    "code.gitea.io/gitea/modules/setting" ) - var loopbackIPBlocks []*net.IPNet - var externalTrackerRegex = regexp.MustCompile(`({?)(?:user|repo|index)+?(}?)`) - func init() { - for _, cidr := range []string{ - "127.0.0.0/8", // IPv4 loopback - "::1/128", // IPv6 loopback - } { - if _, block, err := net.ParseCIDR(cidr); err == nil { - loopbackIPBlocks = append(loopbackIPBlocks, block) - } - } - } - func isLoopbackIP(ip string) bool { - pip := net.ParseIP(ip) - if pip == nil { - return false - } - for _, block := range loopbackIPBlocks { - if block.Contains(pip) { - return true - } - } - return false + return net.ParseIP(ip).IsLoopback() } // IsValidURL checks if URL is valid