+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2019 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()) ::
{:ok, content_type :: String.t(), filename :: String.t()} | {:error, any()} | :error
{:ok, check_mime_type(head)}
end
- def mime_type(<<_::binary>>), do: {:ok, @default}
-
def bin_mime_type(_), do: :error
+ def mime_type(<<_::binary>>), do: {:ok, @default}
+
defp fix_extension(filename, content_type) do
parts = String.split(filename, ".")
"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