mihomo/config/update_xd.go
2023-09-16 11:44:15 +08:00

123 lines
2.2 KiB
Go

package config
import (
"archive/zip"
"fmt"
"io"
"os"
"path"
"path/filepath"
"strings"
"sync"
C "github.com/Dreamacro/clash/constant"
)
const xdURL = "https://codeload.github.com/MetaCubeX/metacubexd/zip/refs/heads/gh-pages"
var xdMutex sync.Mutex
func UpdateXD() error {
xdMutex.Lock()
defer xdMutex.Unlock()
err := cleanup(C.UIPath)
if err != nil {
return fmt.Errorf("cleanup exist file error: %w", err)
}
data, err := downloadForBytes(xdURL)
if err != nil {
return fmt.Errorf("can't download XD file: %w", err)
}
saved := path.Join(C.UIPath, "xd.zip")
if saveFile(data, saved) != nil {
return fmt.Errorf("can't save XD zip file: %w", err)
}
defer os.Remove(saved)
err = unzip(saved, C.UIPath)
if err != nil {
return fmt.Errorf("can't extract XD zip file: %w", err)
}
err = os.Rename(path.Join(C.UIPath, "metacubexd-gh-pages"), path.Join(C.UIPath, "xd"))
if err != nil {
return fmt.Errorf("can't rename folder: %w", err)
}
return nil
}
func unzip(src, dest string) error {
r, err := zip.OpenReader(src)
if err != nil {
return err
}
defer r.Close()
for _, f := range r.File {
fpath := filepath.Join(dest, f.Name)
if !strings.HasPrefix(fpath, filepath.Clean(dest)+string(os.PathSeparator)) {
return fmt.Errorf("invalid file path: %s", fpath)
}
if f.FileInfo().IsDir() {
os.MkdirAll(fpath, os.ModePerm)
continue
}
if err = os.MkdirAll(filepath.Dir(fpath), os.ModePerm); err != nil {
return err
}
outFile, err := os.OpenFile(fpath, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, f.Mode())
if err != nil {
return err
}
rc, err := f.Open()
if err != nil {
return err
}
_, err = io.Copy(outFile, rc)
outFile.Close()
rc.Close()
if err != nil {
return err
}
}
return nil
}
func cleanup(root string) error {
return filepath.Walk(root, func(path string, info os.FileInfo, err error) error {
if err != nil {
return err
}
if path == root {
// skip root itself
return nil
}
if info.IsDir() {
if err := os.RemoveAll(path); err != nil {
if os.IsNotExist(err) {
return nil
}
return err
}
} else {
if err := os.Remove(path); err != nil {
if os.IsNotExist(err) {
return nil
}
return err
}
}
return nil
})
}