From 082920044abeadb9daf593d7e58d210634f8b4a5 Mon Sep 17 00:00:00 2001
From: Francis Dinh <normandy@firemail.cc>
Date: Thu, 21 Jun 2018 14:04:12 -0400
Subject: Normalize file extension for uploaded files

---
 lib/pleroma/upload.ex | 26 +++++++++++++-------------
 1 file changed, 13 insertions(+), 13 deletions(-)

(limited to 'lib')

diff --git a/lib/pleroma/upload.ex b/lib/pleroma/upload.ex
index 43df0d418..6793c4671 100644
--- a/lib/pleroma/upload.ex
+++ b/lib/pleroma/upload.ex
@@ -110,20 +110,20 @@ defmodule Pleroma.Upload do
     if should_dedupe do
       create_name(uuid, List.last(String.split(file.filename, ".")), type)
     else
-      unless String.contains?(file.filename, ".") do
-        case type do
-          "image/png" -> file.filename <> ".png"
-          "image/jpeg" -> file.filename <> ".jpg"
-          "image/gif" -> file.filename <> ".gif"
-          "video/webm" -> file.filename <> ".webm"
-          "video/mp4" -> file.filename <> ".mp4"
-          "audio/mpeg" -> file.filename <> ".mp3"
-          "audio/ogg" -> file.filename <> ".ogg"
-          "audio/wav" -> file.filename <> ".wav"
-          _ -> file.filename
+      parts = String.split(file.filename, ".")
+
+      new_filename =
+        if length(parts) > 1 do
+          Enum.drop(parts, -1) |> Enum.join(".")
+        else
+          Enum.join(parts)
         end
-      else
-        file.filename
+
+      case type do
+        "application/octet-stream" -> file.filename
+        "audio/mpeg" -> new_filename <> ".mp3"
+        "image/jpeg" -> new_filename <> ".jpg"
+        _ -> Enum.join([new_filename, String.split(type, "/") |> List.last()], ".")
       end
     end
   end
-- 
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