use IsLoopback (#19477)

Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
This commit is contained in:
6543 2022-04-25 07:55:12 +02:00 committed by GitHub
parent 5e4134b117
commit 2ec2baf248
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1 changed files with 1 additions and 23 deletions

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@ -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