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