defmodule Pleroma.Upload do
alias Ecto.UUID
- alias Pleroma.Web
- 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)
- upload_folder = get_upload_path(uuid, should_dedupe)
- url_path = get_url(name, uuid, should_dedupe)
+ 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
- File.mkdir_p!(upload_folder)
- result_file = Path.join(upload_folder, name)
+ 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)
- if File.exists?(result_file) do
- File.rm!(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
- File.cp!(file.path, result_file)
+ _e -> nil
end
-
- %{
- "type" => "Document",
- "url" => [
- %{
- "type" => "Link",
- "mediaType" => content_type,
- "href" => url_path
- }
- ],
- "name" => name
- }
end
- 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)
- uuid = UUID.generate()
- uuidpath = Path.join(upload_path(), uuid)
- uuid = UUID.generate()
-
- File.mkdir_p!(upload_path())
-
- File.write!(uuidpath, data)
-
- content_type = get_content_type(uuidpath)
- name =
- create_name(
- String.downcase(Base.encode16(:crypto.hash(:sha256, data))),
- parsed["filetype"],
- content_type
- )
-
- upload_folder = get_upload_path(uuid, should_dedupe)
- url_path = get_url(name, uuid, should_dedupe)
-
- File.mkdir_p!(upload_folder)
- result_file = Path.join(upload_folder, name)
-
- if should_dedupe do
- if !File.exists?(result_file) do
- File.rename(uuidpath, result_file)
- else
- File.rm!(uuidpath)
- end
+ 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
- File.rename(uuidpath, result_file)
+ _e -> nil
end
+ end
- %{
- "type" => "Image",
- "url" => [
- %{
- "type" => "Link",
- "mediaType" => content_type,
- "href" => url_path
- }
- ],
- "name" => name
- }
+ @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 upload_path do
+ 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
if should_dedupe do
create_name(uuid, List.last(String.split(file.filename, ".")), type)
else
- unless String.contains?(file.filename, ".") do
- case type do
- "image/png" -> file.filename <> ".png"
- "image/jpeg" -> file.filename <> ".jpg"
- "image/gif" -> file.filename <> ".gif"
- "video/webm" -> file.filename <> ".webm"
- "video/mp4" -> file.filename <> ".mp4"
- "audio/mpeg" -> file.filename <> ".mp3"
- "audio/ogg" -> file.filename <> ".ogg"
- "audio/wav" -> file.filename <> ".wav"
- _ -> file.filename
- end
- else
- file.filename
- end
- end
- end
+ parts = String.split(file.filename, ".")
- defp get_upload_path(uuid, should_dedupe) do
- if should_dedupe do
- upload_path()
- else
- Path.join(upload_path(), uuid)
- end
- end
+ new_filename =
+ if length(parts) > 1 do
+ Enum.drop(parts, -1) |> Enum.join(".")
+ else
+ Enum.join(parts)
+ end
- defp get_url(name, uuid, should_dedupe) do
- if should_dedupe do
- url_for(:cow_uri.urlencode(name))
- else
- url_for(Path.join(uuid, :cow_uri.urlencode(name)))
+ 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
- defp url_for(file) do
- "#{Web.base_url()}/media/#{file}"
- end
-
def get_content_type(file) do
match =
File.open(file, [:read], fn f ->
_e -> "application/octet-stream"
end
end
+
+ defp uploader() do
+ Pleroma.Config.get!([Pleroma.Upload, :uploader])
+ end
end