81 lines
1.6 KiB
Go
81 lines
1.6 KiB
Go
package config
|
|
|
|
import (
|
|
"archive/tar"
|
|
"compress/gzip"
|
|
"fmt"
|
|
"io"
|
|
"net/http"
|
|
"os"
|
|
"strings"
|
|
|
|
C "github.com/Dreamacro/clash/constant"
|
|
|
|
log "github.com/sirupsen/logrus"
|
|
)
|
|
|
|
func downloadMMDB(path string) (err error) {
|
|
resp, err := http.Get("http://geolite.maxmind.com/download/geoip/database/GeoLite2-Country.tar.gz")
|
|
if err != nil {
|
|
return
|
|
}
|
|
defer resp.Body.Close()
|
|
|
|
gr, err := gzip.NewReader(resp.Body)
|
|
if err != nil {
|
|
return
|
|
}
|
|
defer gr.Close()
|
|
|
|
tr := tar.NewReader(gr)
|
|
for {
|
|
h, err := tr.Next()
|
|
if err == io.EOF {
|
|
break
|
|
} else if err != nil {
|
|
return err
|
|
}
|
|
|
|
if !strings.HasSuffix(h.Name, "GeoLite2-Country.mmdb") {
|
|
continue
|
|
}
|
|
|
|
f, err := os.OpenFile(path, os.O_CREATE|os.O_WRONLY, 0644)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer f.Close()
|
|
_, err = io.Copy(f, tr)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
}
|
|
|
|
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, 0777); err != nil {
|
|
return fmt.Errorf("Can't create config directory %s: %s", dir, err.Error())
|
|
}
|
|
}
|
|
|
|
// initial config.yml
|
|
if _, err := os.Stat(C.Path.Config()); os.IsNotExist(err) {
|
|
log.Info("Can't find config, create an empty file")
|
|
os.OpenFile(C.Path.Config(), os.O_CREATE|os.O_WRONLY, 0644)
|
|
}
|
|
|
|
// initial mmdb
|
|
if _, err := os.Stat(C.Path.MMDB()); os.IsNotExist(err) {
|
|
log.Info("Can't find MMDB, start download")
|
|
err := downloadMMDB(C.Path.MMDB())
|
|
if err != nil {
|
|
return fmt.Errorf("Can't download MMDB: %s", err.Error())
|
|
}
|
|
}
|
|
return nil
|
|
}
|