X-Git-Url: http://git.squeep.com/?a=blobdiff_plain;f=lib%2Fpleroma%2Fupload.ex;h=238630bf357759762f62eddbf95bc0fab296a0b1;hb=8b4397c704147bcc5ca12ab60dde32f2b6e11a41;hp=9275eff87b78a62196232565b024be61f35a42fe;hpb=b403ea4d2b69cef4434ad68babdfb402d8227847;p=akkoma diff --git a/lib/pleroma/upload.ex b/lib/pleroma/upload.ex index 9275eff87..238630bf3 100644 --- a/lib/pleroma/upload.ex +++ b/lib/pleroma/upload.ex @@ -1,56 +1,190 @@ 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) - - %{ - "type" => "Image", - "url" => [%{ - "type" => "Link", - "mediaType" => file.content_type, - "href" => url_for(Path.join(uuid, file.filename)) - }], - "name" => file.filename, - "uuid" => uuid - } - end - - def store(%{"img" => "data:image/" <> image_data}) do + + 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/(?jpeg|png|gif);base64,(?.*)/, 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, filename)) - }], - "name" => filename, - "uuid" => uuid - } - end - - defp upload_path do + 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) - Keyword.fetch!(settings, :uploads) + 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 + end + + defp create_name(uuid, ext, type) do + case type do + "application/octet-stream" -> + String.downcase(Enum.join([uuid, ext], ".")) + + "audio/mpeg" -> + String.downcase(Enum.join([uuid, "mp3"], ".")) + + _ -> + String.downcase(Enum.join([uuid, List.last(String.split(type, "/"))], ".")) + end + end + + defp get_uuid(file, should_dedupe) do + if should_dedupe do + Base.encode16(:crypto.hash(:sha256, File.read!(file.path))) + else + UUID.generate() + end + end + + defp get_name(file, uuid, type, should_dedupe) do + if should_dedupe do + create_name(uuid, List.last(String.split(file.filename, ".")), type) + else + parts = String.split(file.filename, ".") + + new_filename = + if length(parts) > 1 do + Enum.drop(parts, -1) |> Enum.join(".") + else + Enum.join(parts) + end + + case type do + "application/octet-stream" -> file.filename + "audio/mpeg" -> new_filename <> ".mp3" + "image/jpeg" -> new_filename <> ".jpg" + _ -> Enum.join([new_filename, String.split(type, "/") |> List.last()], ".") + end + end + 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" + + <<255, 251, _, 68, 0, 0, 0, 0>> -> + "audio/mpeg" + + <<0x4F, 0x67, 0x67, 0x53, 0x00, 0x02, 0x00, 0x00>> -> + case IO.binread(f, 27) do + <<_::size(160), 0x80, 0x74, 0x68, 0x65, 0x6F, 0x72, 0x61>> -> + "video/ogg" + + _ -> + "audio/ogg" + end + + <<0x52, 0x49, 0x46, 0x46, _, _, _, _>> -> + "audio/wav" + + _ -> + "application/octet-stream" + end + end) + + case match do + {:ok, type} -> type + _e -> "application/octet-stream" + end end - defp url_for(file) do - "#{Web.base_url()}/media/#{file}" + defp uploader() do + Pleroma.Config.get!([Pleroma.Upload, :uploader]) end end