X-Git-Url: https://git.squeep.com/?a=blobdiff_plain;f=lib%2Fpleroma%2Fmime.ex;h=6ee055f500083492549930801cc3948266b287d1;hb=d1c7f8e576e31487544b57d67802843b8ef38388;hp=5e1c109e98a01b4fe24a9f1af30861ec296c76f8;hpb=bda25b999b5176c73380bff9a1ce6be51cba4820;p=akkoma

diff --git a/lib/pleroma/mime.ex b/lib/pleroma/mime.ex
index 5e1c109e9..6ee055f50 100644
--- a/lib/pleroma/mime.ex
+++ b/lib/pleroma/mime.ex
@@ -1,11 +1,15 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.MIME do
   @moduledoc """
   Returns the mime-type of a binary and optionally a normalized file-name.
   """
   @default "application/octet-stream"
-  @read_bytes 31
+  @read_bytes 35
 
-  @spec file_mime_type(String.t()) ::
+  @spec file_mime_type(String.t(), String.t()) ::
           {:ok, content_type :: String.t(), filename :: String.t()} | {:error, any()} | :error
   def file_mime_type(path, filename) do
     with {:ok, content_type} <- file_mime_type(path),
@@ -98,10 +102,18 @@ defmodule Pleroma.MIME do
     "audio/ogg"
   end
 
-  defp check_mime_type(<<0x52, 0x49, 0x46, 0x46, _::binary>>) do
+  defp check_mime_type(<<"RIFF", _::binary-size(4), "WAVE", _::binary>>) do
     "audio/wav"
   end
 
+  defp check_mime_type(<<"RIFF", _::binary-size(4), "WEBP", _::binary>>) do
+    "image/webp"
+  end
+
+  defp check_mime_type(<<"RIFF", _::binary-size(4), "AVI.", _::binary>>) do
+    "video/avi"
+  end
+
   defp check_mime_type(_) do
     @default
   end