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
+ @storage_backend Application.get_env(:pleroma, Pleroma.Upload)
+ |> Keyword.fetch!(:uploader)
+
+ 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)
+
+ strip_exif_data(content_type, file.path)
+
+ {:ok, url_path} =
+ @storage_backend.put_file(name, uuid, file.path, content_type, should_dedupe)
%{
- "type" => "Image",
+ "type" => "Document",
"url" => [
%{
"type" => "Link",
"mediaType" => content_type,
- "href" => url_for(Path.join(uuid, :cow_uri.urlencode(file.filename)))
+ "href" => url_path
}
],
- "name" => file.filename,
- "uuid" => uuid
+ "name" => name
}
end
- def store(%{"img" => "data:image/" <> image_data}) do
+ def store(%{"img" => "data:image/" <> image_data}, should_dedupe) do
parsed = Regex.named_captures(~r/(?<filetype>jpeg|png|gif);base64,(?<data>.*)/, image_data)
- data = Base.decode64!(parsed["data"])
+ data = Base.decode64!(parsed["data"], ignore: :whitespace)
+
+ tmp_path = tempfile_for_image(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 = 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
+ )
- content_type = "image/#{parsed["filetype"]}"
+ {:ok, url_path} = @storage_backend.put_file(name, uuid, tmp_path, content_type, should_dedupe)
%{
"type" => "Image",
%{
"type" => "Link",
"mediaType" => content_type,
- "href" => url_for(Path.join(uuid, :cow_uri.urlencode(filename)))
+ "href" => url_path
}
],
- "name" => filename,
- "uuid" => uuid
+ "name" => name
}
end
- def upload_path 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")
+ {: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 url_for(file) do
- "#{Web.base_url()}/media/#{file}"
+ 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
<<0x49, 0x44, 0x33, _, _, _, _, _>> ->
"audio/mpeg"
+ <<255, 251, _, 68, 0, 0, 0, 0>> ->
+ "audio/mpeg"
+
<<0x4F, 0x67, 0x67, 0x53, 0x00, 0x02, 0x00, 0x00>> ->
"audio/ogg"