Files
Archive/geoip/plugin/special/private.go
2024-11-02 19:33:11 +01:00

121 lines
2.3 KiB
Go

package special
import (
"encoding/json"
"github.com/Loyalsoldier/geoip/lib"
)
const (
entryNamePrivate = "private"
TypePrivate = "private"
DescPrivate = "Convert LAN and private network CIDR to other formats"
)
var privateCIDRs = []string{
"0.0.0.0/8",
"10.0.0.0/8",
"100.64.0.0/10",
"127.0.0.0/8",
"169.254.0.0/16",
"172.16.0.0/12",
"192.0.0.0/24",
"192.0.2.0/24",
"192.88.99.0/24",
"192.168.0.0/16",
"198.18.0.0/15",
"198.51.100.0/24",
"203.0.113.0/24",
"224.0.0.0/4",
"240.0.0.0/4",
"255.255.255.255/32",
"::/128",
"::1/128",
"fc00::/7",
"ff00::/8",
"fe80::/10",
}
func init() {
lib.RegisterInputConfigCreator(TypePrivate, func(action lib.Action, data json.RawMessage) (lib.InputConverter, error) {
return newPrivate(action, data)
})
lib.RegisterInputConverter(TypePrivate, &Private{
Description: DescPrivate,
})
}
func newPrivate(action lib.Action, data json.RawMessage) (lib.InputConverter, error) {
var tmp struct {
OnlyIPType lib.IPType `json:"onlyIPType"`
}
if len(data) > 0 {
if err := json.Unmarshal(data, &tmp); err != nil {
return nil, err
}
}
return &Private{
Type: TypePrivate,
Action: action,
Description: DescPrivate,
OnlyIPType: tmp.OnlyIPType,
}, nil
}
type Private struct {
Type string
Action lib.Action
Description string
OnlyIPType lib.IPType
}
func (p *Private) GetType() string {
return p.Type
}
func (p *Private) GetAction() lib.Action {
return p.Action
}
func (p *Private) GetDescription() string {
return p.Description
}
func (p *Private) Input(container lib.Container) (lib.Container, error) {
entry, found := container.GetEntry(entryNamePrivate)
if !found {
entry = lib.NewEntry(entryNamePrivate)
}
for _, cidr := range privateCIDRs {
if err := entry.AddPrefix(cidr); err != nil {
return nil, err
}
}
var ignoreIPType lib.IgnoreIPOption
switch p.OnlyIPType {
case lib.IPv4:
ignoreIPType = lib.IgnoreIPv6
case lib.IPv6:
ignoreIPType = lib.IgnoreIPv4
}
switch p.Action {
case lib.ActionAdd:
if err := container.Add(entry, ignoreIPType); err != nil {
return nil, err
}
case lib.ActionRemove:
if err := container.Remove(entry, lib.CaseRemovePrefix, ignoreIPType); err != nil {
return nil, err
}
default:
return nil, lib.ErrUnknownAction
}
return container, nil
}