130 lines
3.2 KiB
Go
130 lines
3.2 KiB
Go
package config
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import (
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"fmt"
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"github.com/Dreamacro/clash/component/geodata"
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"github.com/Dreamacro/clash/component/mmdb"
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"io"
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"net/http"
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"os"
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C "github.com/Dreamacro/clash/constant"
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"github.com/Dreamacro/clash/log"
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)
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func downloadMMDB(path string) (err error) {
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resp, err := http.Get(C.MmdbUrl)
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if err != nil {
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return
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}
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defer resp.Body.Close()
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f, err := os.OpenFile(path, os.O_CREATE|os.O_WRONLY, 0o644)
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if err != nil {
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return err
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}
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defer f.Close()
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_, err = io.Copy(f, resp.Body)
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return err
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}
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func downloadGeoIP(path string) (err error) {
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resp, err := http.Get(C.GeoIpUrl)
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if err != nil {
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return
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}
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defer resp.Body.Close()
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f, err := os.OpenFile(path, os.O_CREATE|os.O_WRONLY, 0o644)
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if err != nil {
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return err
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}
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defer f.Close()
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_, err = io.Copy(f, resp.Body)
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return err
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}
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func initGeoIP() error {
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if C.GeodataMode {
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if _, err := os.Stat(C.Path.GeoIP()); os.IsNotExist(err) {
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log.Infoln("Can't find GeoIP.dat, start download")
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if err := downloadGeoIP(C.Path.GeoIP()); err != nil {
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return fmt.Errorf("can't download GeoIP.dat: %s", err.Error())
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}
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log.Infoln("Download GeoIP.dat finish")
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}
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if err := geodata.Verify(C.GeoipName); err != nil {
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log.Warnln("GeoIP.dat invalid, remove and download: %s", err)
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if err := os.Remove(C.Path.GeoIP()); err != nil {
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return fmt.Errorf("can't remove invalid GeoIP.dat: %s", err.Error())
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}
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if err := downloadGeoIP(C.Path.GeoIP()); err != nil {
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return fmt.Errorf("can't download GeoIP.dat: %s", err.Error())
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}
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}
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return nil
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}
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if _, err := os.Stat(C.Path.MMDB()); os.IsNotExist(err) {
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log.Infoln("Can't find MMDB, start download")
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if err := downloadMMDB(C.Path.MMDB()); err != nil {
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return fmt.Errorf("can't download MMDB: %s", err.Error())
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}
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}
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if !mmdb.Verify() {
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log.Warnln("MMDB invalid, remove and download")
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if err := os.Remove(C.Path.MMDB()); err != nil {
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return fmt.Errorf("can't remove invalid MMDB: %s", err.Error())
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}
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if err := downloadMMDB(C.Path.MMDB()); err != nil {
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return fmt.Errorf("can't download MMDB: %s", err.Error())
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}
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}
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return nil
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}
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// Init prepare necessary files
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func Init(dir string) error {
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// initial homedir
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if _, err := os.Stat(dir); os.IsNotExist(err) {
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if err := os.MkdirAll(dir, 0o777); err != nil {
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return fmt.Errorf("can't create config directory %s: %s", dir, err.Error())
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}
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}
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// initial config.yaml
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if _, err := os.Stat(C.Path.Config()); os.IsNotExist(err) {
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log.Infoln("Can't find config, create a initial config file")
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f, err := os.OpenFile(C.Path.Config(), os.O_CREATE|os.O_WRONLY, 0o644)
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if err != nil {
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return fmt.Errorf("can't create file %s: %s", C.Path.Config(), err.Error())
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}
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f.Write([]byte(`mixed-port: 7890`))
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f.Close()
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}
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buf, _ := os.ReadFile(C.Path.Config())
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rawCfg, err := UnmarshalRawConfig(buf)
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if err != nil {
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log.Errorln(err.Error())
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fmt.Printf("configuration file %s test failed\n", C.Path.Config())
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os.Exit(1)
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}
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if !C.GeodataMode {
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C.GeodataMode = rawCfg.GeodataMode
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}
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C.GeoIpUrl = rawCfg.GeoXUrl.GeoIp
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C.GeoSiteUrl = rawCfg.GeoXUrl.GeoSite
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C.MmdbUrl = rawCfg.GeoXUrl.Mmdb
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// initial GeoIP
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if err := initGeoIP(); err != nil {
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return fmt.Errorf("can't initial GeoIP: %w", err)
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}
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return nil
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}
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