defmodule Pleroma.Upload do
alias Ecto.UUID
- import Logger
- @storage_backend Application.get_env(:pleroma, Pleroma.Upload)
- |> Keyword.fetch!(:uploader)
+ def check_file_size(path, nil), do: true
- def store(%Plug.Upload{} = file, should_dedupe) do
- content_type = get_content_type(file.path)
-
- uuid = get_uuid(file, should_dedupe)
- name = get_name(file, uuid, content_type, should_dedupe)
+ def check_file_size(path, size_limit) do
+ {:ok, %{size: size}} = File.stat(path)
+ size <= size_limit
+ end
- strip_exif_data(content_type, file.path)
+ def store(file, should_dedupe, size_limit \\ nil)
- url_path = @storage_backend.put_file(name, uuid, file, content_type, should_dedupe)
+ def store(%Plug.Upload{} = file, should_dedupe, size_limit) do
+ content_type = get_content_type(file.path)
- %{
- "type" => "Document",
- "url" => [
- %{
- "type" => "Link",
- "mediaType" => content_type,
- "href" => url_path
- }
- ],
- "name" => name
- }
+ 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
- # XXX: does this code actually work? i am skeptical. --kaniini
- def store(%{"img" => "data:image/" <> image_data}, should_dedupe) do
+ 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)
- tmp_path = mkupload_for_image(data)
-
- uuid = UUID.generate()
-
- # create temp local storage, like plug upload provides for us.
-
- Logger.info(tmp_path)
-
- 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
- )
-
- url_path = @storage_backend.put_file(name, uuid, tmp_path, content_type, should_dedupe)
-
- %{
- "type" => "Image",
- "url" => [
- %{
- "type" => "Link",
- "mediaType" => content_type,
- "href" => url_path
- }
- ],
- "name" => name
- }
+ 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
- def mkupload_for_image(data) do
+ @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")
- :file.write_file(tmp_path, data, [:write, :raw, :exclusive, :binary])
+ {:ok, tmp_file} = File.open(tmp_path, [:write, :raw, :binary])
+ IO.binwrite(tmp_file, data)
+
tmp_path
end
_e -> "application/octet-stream"
end
end
+
+ defp uploader() do
+ Pleroma.Config.get!([Pleroma.Upload, :uploader])
+ end
end