Initial updates server repository commit.

Reinitialize repository history and exclude generated OTA artifact outputs.

Made-with: Cursor

internal/storage/zip.go

@@ -0,0 +1,55 @@
+package storage
+
+import (
+	"archive/zip"
+	"fmt"
+	"io"
+	"os"
+	"path/filepath"
+	"strings"
+)
+
+func unzipToDir(readerAt io.ReaderAt, size int64, target string) error {
+	if err := os.MkdirAll(target, 0o755); err != nil {
+		return err
+	}
+	zr, err := zip.NewReader(readerAt, size)
+	if err != nil {
+		return err
+	}
+	for _, f := range zr.File {
+		name := filepath.Clean(f.Name)
+		if strings.HasPrefix(name, "..") {
+			return fmt.Errorf("invalid zip entry path: %s", f.Name)
+		}
+		fullPath := filepath.Join(target, name)
+		if f.FileInfo().IsDir() {
+			if err := os.MkdirAll(fullPath, 0o755); err != nil {
+				return err
+			}
+			continue
+		}
+
+		if err := os.MkdirAll(filepath.Dir(fullPath), 0o755); err != nil {
+			return err
+		}
+		src, err := f.Open()
+		if err != nil {
+			return err
+		}
+		dst, err := os.Create(fullPath)
+		if err != nil {
+			src.Close()
+			return err
+		}
+		if _, err := io.Copy(dst, src); err != nil {
+			dst.Close()
+			src.Close()
+			return err
+		}
+		dst.Close()
+		src.Close()
+	}
+	return nil
+}
+