Gab Social. All are welcome.

app/controllers/concerns/obfuscate_filename.rb

@@ -0,0 +1,16 @@
+# frozen_string_literal: true
+
+module ObfuscateFilename
+  extend ActiveSupport::Concern
+
+  class_methods do
+    def obfuscate_filename(path)
+      before_action do
+        file = params.dig(*path)
+        next if file.nil?
+
+        file.original_filename = SecureRandom.hex(8) + File.extname(file.original_filename)
+      end
+    end
+  end
+end