mrf: add initial MRF.TagPolicy engine

This commit is contained in:
William Pitcock 2019-02-04 02:35:46 +00:00
parent 93e136d70b
commit 88e32a32ce

View file

@ -0,0 +1,54 @@
# Pleroma: A lightweight social networking server
# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.ActivityPub.MRF.TagPolicy do
alias Pleroma.User
@behaviour Pleroma.Web.ActivityPub.MRF
defp get_tags(%User{tags: tags}) when is_list(tags), do: tags
defp get_tags(_), do: []
defp process_tag(
"mrf_tag:media-force-nsfw",
%{"type" => "Create", "object" => %{"attachment" => child_attachment} = object} = message
)
when length(child_attachment) > 0 do
tags = (object["tag"] || []) ++ ["nsfw"]
object =
object
|> Map.put("tags", tags)
|> Map.put("sensitive", true)
message = Map.put(message, "object", object)
{:ok, message}
end
defp process_tag(
"mrf_tag:media-strip",
%{"type" => "Create", "object" => %{"attachment" => child_attachment} = object} = message
)
when length(child_attachment) > 0 do
object = Map.delete(object, "attachment")
message = Map.put(message, "object", object)
{:ok, message}
end
defp process_tag(_, message), do: {:ok, message}
@impl true
def filter(%{"actor" => actor} = message) do
User.get_cached_by_ap_id(actor)
|> get_tags()
|> Enum.reduce({:ok, message}, fn
tag, {:ok, message} ->
process_tag(tag, message)
_, error ->
error
end)
end
end