78 lines
1.8 KiB
Go
78 lines
1.8 KiB
Go
package config
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import (
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"fmt"
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"io"
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"net/http"
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"os"
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"github.com/Dreamacro/clash/component/mmdb"
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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("https://cdn.jsdelivr.net/gh/Dreamacro/maxmind-geoip@release/Country.mmdb")
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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, 0644)
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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 initMMDB() error {
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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, 0777); 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, 0644)
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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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// initial mmdb
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if err := initMMDB(); err != nil {
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return fmt.Errorf("can't initial MMDB: %w", err)
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}
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return nil
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}
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