defmodule Pleroma.Upload do alias Ecto.UUID alias Pleroma.Web def store(%Plug.Upload{} = file) do uuid = UUID.generate upload_folder = Path.join(upload_path(), uuid) File.mkdir_p!(upload_folder) result_file = Path.join(upload_folder, file.filename) File.cp!(file.path, result_file) # fix content type on some image uploads content_type = if file.content_type in [nil, "application/octet-stream"] do get_content_type(file.path) else file.content_type end %{ "type" => "Image", "url" => [%{ "type" => "Link", "mediaType" => content_type, "href" => url_for(Path.join(uuid, :cow_uri.urlencode(file.filename))) }], "name" => file.filename, "uuid" => uuid } end def store(%{"img" => "data:image/" <> image_data}) do parsed = Regex.named_captures(~r/(?<filetype>jpeg|png|gif);base64,(?<data>.*)/, image_data) 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 } end defp upload_path do settings = Application.get_env(:pleroma, Pleroma.Upload) Keyword.fetch!(settings, :uploads) end defp url_for(file) do "#{Web.base_url()}/media/#{file}" end def get_content_type(file) do match = File.open(file, [:read], fn(f) -> case IO.binread(f, 8) do <<0x89, 0x50, 0x4e, 0x47, 0x0d, 0x0a, 0x1a, 0x0a>> -> "image/png" <<0x47, 0x49, 0x46, 0x38, _, 0x61, _, _>> -> "image/gif" <<0xff, 0xd8, 0xff, _, _, _, _, _>> -> "image/jpeg" <<0x1a, 0x45, 0xdf, 0xa3, _, _, _, _>> -> "video/webm" <<0x00, 0x00, 0x00, _, 0x66, 0x74, 0x79, 0x70>> -> "video/mp4" <<0x49, 0x44, 0x33, _, _, _, _, _>> -> "audio/mpeg" <<0x4f, 0x67, 0x67, 0x53, 0x00, 0x02, 0x00, 0x00>> -> "audio/ogg" <<0x52, 0x49, 0x46, 0x46, _, _, _, _>> -> "audio/wav" _ -> "application/octet-stream" end end) case match do {:ok, type} -> type _e -> "application/octet-stream" end end end