mihomo/rule/geoip.go
2022-03-15 02:55:06 +08:00

69 lines
1.2 KiB
Go

package rules
import (
"strings"
"github.com/Dreamacro/clash/component/mmdb"
"github.com/Dreamacro/clash/component/resolver"
C "github.com/Dreamacro/clash/constant"
)
type GEOIP struct {
*Base
country string
adapter string
noResolveIP bool
}
func (g *GEOIP) RuleType() C.RuleType {
return C.GEOIP
}
func (g *GEOIP) Match(metadata *C.Metadata) bool {
ip := metadata.DstIP
if ip == nil {
return false
}
if strings.EqualFold(g.country, "LAN") {
return ip.IsPrivate() ||
ip.IsUnspecified() ||
ip.IsLoopback() ||
ip.IsMulticast() ||
ip.IsLinkLocalUnicast() ||
resolver.IsFakeBroadcastIP(ip)
}
record, _ := mmdb.Instance().Country(ip)
return strings.EqualFold(record.Country.IsoCode, g.country)
}
func (g *GEOIP) Adapter() string {
return g.adapter
}
func (g *GEOIP) Payload() string {
return g.country
}
func (g *GEOIP) ShouldResolveIP() bool {
return !g.noResolveIP
}
func (g *GEOIP) GetCountry() string {
return g.country
}
func NewGEOIP(country string, adapter string, noResolveIP bool) *GEOIP {
geoip := &GEOIP{
Base: &Base{},
country: country,
adapter: adapter,
noResolveIP: noResolveIP,
}
return geoip
}
var _ C.Rule = (*GEOIP)(nil)