mihomo/config/update_geo.go

67 lines
1.6 KiB
Go

package config
import (
"fmt"
"runtime"
"github.com/metacubex/mihomo/component/geodata"
_ "github.com/metacubex/mihomo/component/geodata/standard"
C "github.com/metacubex/mihomo/constant"
"github.com/oschwald/maxminddb-golang"
)
func UpdateGeoDatabases() error {
defer runtime.GC()
geoLoader, err := geodata.GetGeoDataLoader("standard")
if err != nil {
return err
}
if C.GeodataMode {
data, err := downloadForBytes(C.GeoIpUrl)
if err != nil {
return fmt.Errorf("can't download GeoIP database file: %w", err)
}
if _, err = geoLoader.LoadIPByBytes(data, "cn"); err != nil {
return fmt.Errorf("invalid GeoIP database file: %s", err)
}
if err = saveFile(data, C.Path.GeoIP()); err != nil {
return fmt.Errorf("can't save GeoIP database file: %w", err)
}
} else {
data, err := downloadForBytes(C.MmdbUrl)
if err != nil {
return fmt.Errorf("can't download MMDB database file: %w", err)
}
instance, err := maxminddb.FromBytes(data)
if err != nil {
return fmt.Errorf("invalid MMDB database file: %s", err)
}
_ = instance.Close()
if err = saveFile(data, C.Path.MMDB()); err != nil {
return fmt.Errorf("can't save MMDB database file: %w", err)
}
}
data, err := downloadForBytes(C.GeoSiteUrl)
if err != nil {
return fmt.Errorf("can't download GeoSite database file: %w", err)
}
if _, err = geoLoader.LoadSiteByBytes(data, "cn"); err != nil {
return fmt.Errorf("invalid GeoSite database file: %s", err)
}
if err = saveFile(data, C.Path.GeoSite()); err != nil {
return fmt.Errorf("can't save GeoSite database file: %w", err)
}
geodata.ClearCache()
return nil
}