mihomo/component/geodata/init.go
2023-01-09 21:12:13 +08:00

120 lines
3 KiB
Go

package geodata
import (
"fmt"
"github.com/Dreamacro/clash/component/mmdb"
C "github.com/Dreamacro/clash/constant"
"github.com/Dreamacro/clash/log"
"io"
"net/http"
"os"
)
var initGeoSite bool
var initGeoIP int
func InitGeoSite() error {
if _, err := os.Stat(C.Path.GeoSite()); os.IsNotExist(err) {
log.Infoln("Can't find GeoSite.dat, start download")
if err := downloadGeoSite(C.Path.GeoSite()); err != nil {
return fmt.Errorf("can't download GeoSite.dat: %s", err.Error())
}
log.Infoln("Download GeoSite.dat finish")
initGeoSite = false
}
if !initGeoSite {
if err := Verify(C.GeositeName); err != nil {
log.Warnln("GeoSite.dat invalid, remove and download: %s", err)
if err := os.Remove(C.Path.GeoSite()); err != nil {
return fmt.Errorf("can't remove invalid GeoSite.dat: %s", err.Error())
}
if err := downloadGeoSite(C.Path.GeoSite()); err != nil {
return fmt.Errorf("can't download GeoSite.dat: %s", err.Error())
}
}
initGeoSite = true
}
return nil
}
func downloadGeoSite(path string) (err error) {
resp, err := http.Get(C.GeoSiteUrl)
if err != nil {
return
}
defer resp.Body.Close()
f, err := os.OpenFile(path, os.O_CREATE|os.O_WRONLY, 0o644)
if err != nil {
return err
}
defer f.Close()
_, err = io.Copy(f, resp.Body)
return err
}
func downloadGeoIP(path string) (err error) {
resp, err := http.Get(C.GeoIpUrl)
if err != nil {
return
}
defer resp.Body.Close()
f, err := os.OpenFile(path, os.O_CREATE|os.O_WRONLY, 0o644)
if err != nil {
return err
}
defer f.Close()
_, err = io.Copy(f, resp.Body)
return err
}
func InitGeoIP() error {
if C.GeodataMode {
if _, err := os.Stat(C.Path.GeoIP()); os.IsNotExist(err) {
log.Infoln("Can't find GeoIP.dat, start download")
if err := downloadGeoIP(C.Path.GeoIP()); err != nil {
return fmt.Errorf("can't download GeoIP.dat: %s", err.Error())
}
log.Infoln("Download GeoIP.dat finish")
initGeoIP = 0
}
if initGeoIP != 1 {
if err := Verify(C.GeoipName); err != nil {
log.Warnln("GeoIP.dat invalid, remove and download: %s", err)
if err := os.Remove(C.Path.GeoIP()); err != nil {
return fmt.Errorf("can't remove invalid GeoIP.dat: %s", err.Error())
}
if err := downloadGeoIP(C.Path.GeoIP()); err != nil {
return fmt.Errorf("can't download GeoIP.dat: %s", err.Error())
}
}
initGeoIP = 1
}
return nil
}
if _, err := os.Stat(C.Path.MMDB()); os.IsNotExist(err) {
log.Infoln("Can't find MMDB, start download")
if err := mmdb.DownloadMMDB(C.Path.MMDB()); err != nil {
return fmt.Errorf("can't download MMDB: %s", err.Error())
}
}
if initGeoIP != 2 {
if !mmdb.Verify() {
log.Warnln("MMDB invalid, remove and download")
if err := os.Remove(C.Path.MMDB()); err != nil {
return fmt.Errorf("can't remove invalid MMDB: %s", err.Error())
}
if err := mmdb.DownloadMMDB(C.Path.MMDB()); err != nil {
return fmt.Errorf("can't download MMDB: %s", err.Error())
}
}
initGeoIP = 2
}
return nil
}