mihomo/config/updateGeo.go
gVisor bot 6f2dc0336f feat: RESTful API support update Geo file
and can set update url by user, eg.
geox-url:
  geoip: "http://xxxx/gepip.dat"
  mmdb: "http://xxxx/country.mmdb"
  geosite: "http://xxxx/geosite.dat"
2022-05-24 15:04:13 +08:00

82 lines
2 KiB
Go

package config
import (
"fmt"
"github.com/Dreamacro/clash/component/geodata"
_ "github.com/Dreamacro/clash/component/geodata/standard"
C "github.com/Dreamacro/clash/constant"
"github.com/oschwald/geoip2-golang"
"os"
"runtime"
)
func UpdateGeoDatabases() error {
var (
tmpMMDB = C.Path.Resolve("temp_country.mmdb")
tmpGepIP = C.Path.Resolve("temp_geoip.dat")
tmpGeoSite = C.Path.Resolve("temp_geosite.dat")
)
if C.GeodataMode {
if err := downloadGeoIP(tmpGepIP); err != nil {
return fmt.Errorf("can't download MMDB database file: %w", err)
}
if err := verifyGeoSite("temp_geoip.dat"); err != nil {
_ = os.Remove(tmpGepIP)
return fmt.Errorf("invalid GeoIP database file: %s", err)
}
if err := os.Rename(tmpGepIP, C.Path.GeoIP()); err != nil {
return fmt.Errorf("can't rename MMDB database file: %w", err)
}
} else {
if err := downloadMMDB(tmpMMDB); err != nil {
return fmt.Errorf("can't download MMDB database file: %w", err)
}
if err := verifyMMDB("temp_country.mmdb"); err != nil {
_ = os.Remove(tmpMMDB)
return fmt.Errorf("invalid MMDB database file: %s", err)
}
if err := os.Rename(tmpMMDB, C.Path.MMDB()); err != nil {
return fmt.Errorf("can't rename MMDB database file: %w", err)
}
}
if err := downloadGeoSite(tmpGeoSite); err != nil {
return fmt.Errorf("can't download GeoSite database file: %w", err)
}
if err := verifyGeoSite("temp_geosite.dat"); err != nil {
_ = os.Remove(tmpGeoSite)
return fmt.Errorf("invalid GeoSite database file: %s", err)
}
if err := os.Rename(tmpGeoSite, C.Path.GeoSite()); err != nil {
return fmt.Errorf("can't rename GeoSite database file: %w", err)
}
runtime.GC()
return nil
}
func verifyMMDB(path string) error {
instance, err := geoip2.Open(path)
if err == nil {
_ = instance.Close()
}
return err
}
func verifyGeoSite(path string) error {
geoLoader, err := geodata.GetGeoDataLoader("standard")
if err != nil {
return err
}
_, err = geoLoader.LoadSite(path, "cn")
return err
}