- data = Base.decode64!(parsed["data"])
- uuid = UUID.generate()
- upload_folder = Path.join(upload_path(), uuid)
- File.mkdir_p!(upload_folder)
- filename = Base.encode16(:crypto.hash(:sha256, data)) <> ".#{parsed["filetype"]}"
- result_file = Path.join(upload_folder, filename)
-
- File.write!(result_file, data)
-
- content_type = "image/#{parsed["filetype"]}"
-
- %{
- "type" => "Image",
- "url" => [
- %{
- "type" => "Link",
- "mediaType" => content_type,
- "href" => url_for(Path.join(uuid, :cow_uri.urlencode(filename)))
- }
- ],
- "name" => filename,
- "uuid" => uuid
- }
+ 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