package config import ( "fmt" "github.com/Dreamacro/clash/component/mmdb" "io" "net/http" "os" C "github.com/Dreamacro/clash/constant" "github.com/Dreamacro/clash/log" ) func downloadMMDB(path string) (err error) { resp, err := http.Get("https://cdn.jsdelivr.net/gh/Loyalsoldier/geoip@release/Country.mmdb") 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("https://cdn.jsdelivr.net/gh/Loyalsoldier/v2ray-rules-dat@release/geoip.dat") 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 downloadGeoSite(path string) (err error) { resp, err := http.Get("https://cdn.jsdelivr.net/gh/Loyalsoldier/v2ray-rules-dat@release/geosite.dat") 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 initGeoSite() error { if _, err := os.Stat(C.Path.GeoSite()); os.IsNotExist(err) { log.Infoln("Need GeoSite but 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") } return nil } func initGeoIP() error { if _, err := os.Stat(C.Path.GeoIP()); os.IsNotExist(err) { log.Infoln("Need GeoIP but 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") } if _, err := os.Stat(C.Path.MMDB()); os.IsNotExist(err) { log.Infoln("Can't find MMDB, start download") if err := downloadMMDB(C.Path.MMDB()); err != nil { return fmt.Errorf("can't download MMDB: %s", err.Error()) } } 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 := downloadMMDB(C.Path.MMDB()); err != nil { return fmt.Errorf("can't download MMDB: %s", err.Error()) } } return nil } // Init prepare necessary files func Init(dir string) error { // initial homedir if _, err := os.Stat(dir); os.IsNotExist(err) { if err := os.MkdirAll(dir, 0o777); err != nil { return fmt.Errorf("can't create config directory %s: %s", dir, err.Error()) } } // initial config.yaml if _, err := os.Stat(C.Path.Config()); os.IsNotExist(err) { log.Infoln("Can't find config, create a initial config file") f, err := os.OpenFile(C.Path.Config(), os.O_CREATE|os.O_WRONLY, 0o644) if err != nil { return fmt.Errorf("can't create file %s: %s", C.Path.Config(), err.Error()) } f.Write([]byte(`mixed-port: 7890`)) f.Close() } // initial GeoIP if err := initGeoIP(); err != nil { return fmt.Errorf("can't initial GeoIP: %w", err) } return nil }