Obfuscate filenames better, double rate limits

1 files changed, 5 insertions, 1 deletions

diff --git a/app/controllers/concerns/obfuscate_filename.rb b/app/controllers/concerns/obfuscate_filename.rb
index dde7ce8c6..9c896fb09 100644
--- a/app/controllers/concerns/obfuscate_filename.rb
+++ b/app/controllers/concerns/obfuscate_filename.rb
@@ -13,6 +13,10 @@ module ObfuscateFilename
     file = params.dig(*path)
     return if file.nil?
 
-    file.original_filename = 'media' + File.extname(file.original_filename)
+    file.original_filename = secure_token + File.extname(file.original_filename)
+  end
+
+  def secure_token(length = 16)
+    SecureRandom.hex(length / 2)
   end
 end