mihomo/rules/geoip.go

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2018-06-10 22:50:03 +08:00
package rules
import (
"net"
C "github.com/Dreamacro/clash/constant"
"github.com/oschwald/geoip2-golang"
log "github.com/sirupsen/logrus"
)
var mmdb *geoip2.Reader
func init() {
var err error
mmdb, err = geoip2.Open(C.MMDBPath)
if err != nil {
log.Fatalf("Can't load mmdb: %s", err.Error())
}
}
type GEOIP struct {
country string
adapter string
}
func (g *GEOIP) RuleType() C.RuleType {
return C.GEOIP
}
func (g *GEOIP) IsMatch(addr *C.Addr) bool {
if addr.AddrType == C.AtypDomainName {
return false
}
dstIP := net.ParseIP(addr.Host)
if dstIP == nil {
return false
}
record, _ := mmdb.Country(dstIP)
return record.Country.IsoCode == g.country
}
func (g *GEOIP) Adapter() string {
return g.adapter
}
func NewGEOIP(country string, adapter string) *GEOIP {
return &GEOIP{
country: country,
adapter: adapter,
}
}