alist/pkg/utils/mask.go

31 lines
551 B
Go

package utils
import "strings"
// MaskIP anonymizes middle segments of an IP address.
func MaskIP(ip string) string {
if ip == "" {
return ""
}
if strings.Contains(ip, ":") {
parts := strings.Split(ip, ":")
if len(parts) > 2 {
for i := 1; i < len(parts)-1; i++ {
if parts[i] != "" {
parts[i] = "*"
}
}
return strings.Join(parts, ":")
}
return ip
}
parts := strings.Split(ip, ".")
if len(parts) == 4 {
for i := 1; i < len(parts)-1; i++ {
parts[i] = "*"
}
return strings.Join(parts, ".")
}
return ip
}