make updates

internal/assets/assets.go

@@ -0,0 +1,33 @@
+package assets
+
+import (
+	"mime"
+	"net/http"
+	"path/filepath"
+	"strings"
+
+	"github.com/hacdias/caddy-filemanager/internal/config"
+)
+
+// BaseURL is the url of the assets
+const BaseURL = "/_filemanagerinternal"
+
+// ServeAssets provides the needed assets for the front-end
+func ServeAssets(w http.ResponseWriter, r *http.Request, c *config.Config) (int, error) {
+	// gets the filename to be used with Assets function
+	filename := strings.Replace(r.URL.Path, c.BaseURL+BaseURL, "public", 1)
+	file, err := Asset(filename)
+	if err != nil {
+		return http.StatusNotFound, nil
+	}
+
+	// Get the file extension and its mimetype
+	extension := filepath.Ext(filename)
+	mediatype := mime.TypeByExtension(extension)
+
+	// Write the header with the Content-Type and write the file
+	// content to the buffer
+	w.Header().Set("Content-Type", mediatype)
+	w.Write(file)
+	return 200, nil
+}