defmodule Pleroma.Web.ActivityPub.Visibility do alias Pleroma.Activity alias Pleroma.Object alias Pleroma.Repo alias Pleroma.User def is_public?(%Object{data: %{"type" => "Tombstone"}}), do: false def is_public?(%Object{data: data}), do: is_public?(data) def is_public?(%Activity{data: data}), do: is_public?(data) def is_public?(%{"directMessage" => true}), do: false def is_public?(data) do "https://www.w3.org/ns/activitystreams#Public" in (data["to"] ++ (data["cc"] || [])) end def is_private?(activity) do unless is_public?(activity) do follower_address = User.get_cached_by_ap_id(activity.data["actor"]).follower_address Enum.any?(activity.data["to"], &(&1 == follower_address)) else false end end def is_direct?(%Activity{data: %{"directMessage" => true}}), do: true def is_direct?(%Object{data: %{"directMessage" => true}}), do: true def is_direct?(activity) do !is_public?(activity) && !is_private?(activity) end def visible_for_user?(activity, nil) do is_public?(activity) end def visible_for_user?(activity, user) do x = [user.ap_id | user.following] y = [activity.actor] ++ activity.data["to"] ++ (activity.data["cc"] || []) visible_for_user?(activity, nil) || Enum.any?(x, &(&1 in y)) end def entire_thread_visible_for_user?(%Activity{} = activity, %User{} = user) do {:ok, %{rows: [[result]]}} = Ecto.Adapters.SQL.query(Repo, "SELECT thread_visibility($1, $2)", [ user.ap_id, activity.data["id"] ]) result end def get_visibility(object) do public = "https://www.w3.org/ns/activitystreams#Public" to = object.data["to"] || [] cc = object.data["cc"] || [] cond do public in to -> "public" public in cc -> "unlisted" # this should use the sql for the object's activity Enum.any?(to, &String.contains?(&1, "/followers")) -> "private" length(cc) > 0 -> "private" true -> "direct" end end end