git.squeep.com Git - akkoma/blob - lib/pleroma/web/activity_pub/visibility.ex

   1 defmodule Pleroma.Web.ActivityPub.Visibility do
   2   alias Pleroma.Activity
   3   alias Pleroma.Object
   4   alias Pleroma.Repo
   5   alias Pleroma.User
   6
   7   def is_public?(%Object{data: %{"type" => "Tombstone"}}), do: false
   8   def is_public?(%Object{data: data}), do: is_public?(data)
   9   def is_public?(%Activity{data: data}), do: is_public?(data)
  10   def is_public?(%{"directMessage" => true}), do: false
  11
  12   def is_public?(data) do
  13     "https://www.w3.org/ns/activitystreams#Public" in (data["to"] ++ (data["cc"] || []))
  14   end
  15
  16   def is_private?(activity) do
  17     unless is_public?(activity) do
  18       follower_address = User.get_cached_by_ap_id(activity.data["actor"]).follower_address
  19       Enum.any?(activity.data["to"], &(&1 == follower_address))
  20     else
  21       false
  22     end
  23   end
  24
  25   def is_direct?(%Activity{data: %{"directMessage" => true}}), do: true
  26   def is_direct?(%Object{data: %{"directMessage" => true}}), do: true
  27
  28   def is_direct?(activity) do
  29     !is_public?(activity) && !is_private?(activity)
  30   end
  31
  32   def visible_for_user?(activity, nil) do
  33     is_public?(activity)
  34   end
  35
  36   def visible_for_user?(activity, user) do
  37     x = [user.ap_id | user.following]
  38     y = [activity.actor] ++ activity.data["to"] ++ (activity.data["cc"] || [])
  39     visible_for_user?(activity, nil) || Enum.any?(x, &(&1 in y))
  40   end
  41
  42   def entire_thread_visible_for_user?(%Activity{} = activity, %User{} = user) do
  43     {:ok, %{rows: [[result]]}} =
  44       Ecto.Adapters.SQL.query(Repo, "SELECT thread_visibility($1, $2)", [
  45         user.ap_id,
  46         activity.data["id"]
  47       ])
  48
  49     result
  50   end
  51
  52   def get_visibility(object) do
  53     public = "https://www.w3.org/ns/activitystreams#Public"
  54     to = object.data["to"] || []
  55     cc = object.data["cc"] || []
  56
  57     cond do
  58       public in to ->
  59         "public"
  60
  61       public in cc ->
  62         "unlisted"
  63
  64       # this should use the sql for the object's activity
  65       Enum.any?(to, &String.contains?(&1, "/followers")) ->
  66         "private"
  67
  68       length(cc) > 0 ->
  69         "private"
  70
  71       true ->
  72         "direct"
  73     end
  74   end
  75 end