mihomo/rule/common/geoip.go
gVisor bot c57d92d7c1 [Feat]
support trojan xtls
change geodataloader mode as memconservative
2022-02-04 23:33:36 +08:00

79 lines
1.5 KiB
Go

package common
import (
"fmt"
"github.com/Dreamacro/clash/component/geodata"
"github.com/Dreamacro/clash/component/geodata/router"
"strings"
C "github.com/Dreamacro/clash/constant"
"github.com/Dreamacro/clash/log"
)
type GEOIP struct {
country string
adapter string
noResolveIP bool
ruleExtra *C.RuleExtra
geoIPMatcher *router.GeoIPMatcher
}
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") || C.TunBroadcastAddr.Equal(ip) {
return ip.IsPrivate()
}
return g.geoIPMatcher.Match(ip)
}
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) RuleExtra() *C.RuleExtra {
return g.ruleExtra
}
func (g *GEOIP) GetCountry() string {
return g.country
}
func (g *GEOIP) GetIPMatcher() *router.GeoIPMatcher {
return g.geoIPMatcher
}
func NewGEOIP(country string, adapter string, noResolveIP bool, ruleExtra *C.RuleExtra) (*GEOIP, error) {
geoIPMatcher, recordsCount, err := geodata.LoadGeoIPMatcher(country)
if err != nil {
return nil, fmt.Errorf("[GeoIP] %s", err.Error())
}
log.Infoln("Start initial GeoIP rule %s => %s, records: %d", country, adapter, recordsCount)
geoip := &GEOIP{
country: country,
adapter: adapter,
noResolveIP: noResolveIP,
ruleExtra: ruleExtra,
geoIPMatcher: geoIPMatcher,
}
return geoip, nil
}