+ def check_file_size(path, nil), do: true
+
+ def check_file_size(path, size_limit) do
+ {:ok, %{size: size}} = File.stat(path)
+ size <= size_limit
+ end
+
+ def store(file, should_dedupe, size_limit \\ nil)
+
+ def store(%Plug.Upload{} = file, should_dedupe, size_limit) do
+ content_type = get_content_type(file.path)
+
+ with uuid <- get_uuid(file, should_dedupe),
+ name <- get_name(file, uuid, content_type, should_dedupe),
+ true <- check_file_size(file.path, size_limit) do
+ strip_exif_data(content_type, file.path)
+
+ {:ok, url_path} = uploader().put_file(name, uuid, file.path, content_type, should_dedupe)
+
+ %{
+ "type" => "Document",
+ "url" => [
+ %{
+ "type" => "Link",
+ "mediaType" => content_type,
+ "href" => url_path
+ }
+ ],
+ "name" => name
+ }
+ else
+ _e -> nil
+ end
+ end
+
+ def store(%{"img" => "data:image/" <> image_data}, should_dedupe, size_limit) do
+ parsed = Regex.named_captures(~r/(?<filetype>jpeg|png|gif);base64,(?<data>.*)/, image_data)
+ data = Base.decode64!(parsed["data"], ignore: :whitespace)
+
+ with tmp_path <- tempfile_for_image(data),
+ uuid <- UUID.generate(),
+ true <- check_file_size(tmp_path, size_limit) do
+ content_type = get_content_type(tmp_path)
+ strip_exif_data(content_type, tmp_path)
+
+ name =
+ create_name(
+ String.downcase(Base.encode16(:crypto.hash(:sha256, data))),
+ parsed["filetype"],
+ content_type
+ )
+
+ {:ok, url_path} = uploader().put_file(name, uuid, tmp_path, content_type, should_dedupe)
+
+ %{
+ "type" => "Image",
+ "url" => [
+ %{
+ "type" => "Link",
+ "mediaType" => content_type,
+ "href" => url_path
+ }
+ ],
+ "name" => name
+ }
+ else
+ _e -> nil
+ end
+ end
+
+ @doc """
+ Creates a tempfile using the Plug.Upload Genserver which cleans them up
+ automatically.
+ """
+ def tempfile_for_image(data) do
+ {:ok, tmp_path} = Plug.Upload.random_file("profile_pics")
+ {:ok, tmp_file} = File.open(tmp_path, [:write, :raw, :binary])
+ IO.binwrite(tmp_file, data)
+
+ tmp_path
+ end
+
+ def strip_exif_data(content_type, file) do
+ settings = Application.get_env(:pleroma, Pleroma.Upload)
+ do_strip = Keyword.fetch!(settings, :strip_exif)
+ [filetype, _ext] = String.split(content_type, "/")
+
+ if filetype == "image" and do_strip == true do
+ Mogrify.open(file) |> Mogrify.custom("strip") |> Mogrify.save(in_place: true)
+ end