lan
a0ef7f430d
Reinitialize repository history and exclude generated OTA artifact outputs. Made-with: Cursor
56 lines
1004 B
Go
56 lines
1004 B
Go
package storage
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import (
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"archive/zip"
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"fmt"
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"io"
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"os"
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"path/filepath"
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"strings"
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)
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func unzipToDir(readerAt io.ReaderAt, size int64, target string) error {
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if err := os.MkdirAll(target, 0o755); err != nil {
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return err
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}
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zr, err := zip.NewReader(readerAt, size)
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if err != nil {
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return err
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}
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for _, f := range zr.File {
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name := filepath.Clean(f.Name)
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if strings.HasPrefix(name, "..") {
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return fmt.Errorf("invalid zip entry path: %s", f.Name)
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}
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fullPath := filepath.Join(target, name)
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if f.FileInfo().IsDir() {
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if err := os.MkdirAll(fullPath, 0o755); err != nil {
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return err
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}
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continue
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}
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if err := os.MkdirAll(filepath.Dir(fullPath), 0o755); err != nil {
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return err
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}
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src, err := f.Open()
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if err != nil {
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return err
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}
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dst, err := os.Create(fullPath)
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if err != nil {
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src.Close()
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return err
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}
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if _, err := io.Copy(dst, src); err != nil {
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dst.Close()
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src.Close()
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return err
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}
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dst.Close()
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src.Close()
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}
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return nil
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}
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