1 # Pleroma: A lightweight social networking server
2 # Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
3 # SPDX-License-Identifier: AGPL-3.0-only
5 defmodule Pleroma.Web.ActivityPub.Visibility do
11 require Pleroma.Constants
13 @spec is_public?(Object.t() | Activity.t() | map()) :: boolean()
14 def is_public?(%Object{data: %{"type" => "Tombstone"}}), do: false
15 def is_public?(%Object{data: data}), do: is_public?(data)
16 def is_public?(%Activity{data: data}), do: is_public?(data)
17 def is_public?(%{"directMessage" => true}), do: false
18 def is_public?(data), do: Pleroma.Constants.as_public() in (data["to"] ++ (data["cc"] || []))
20 def is_private?(activity) do
21 with false <- is_public?(activity),
22 %User{follower_address: follower_address} <-
23 User.get_cached_by_ap_id(activity.data["actor"]) do
24 follower_address in activity.data["to"]
30 def is_announceable?(activity, user, public \\ true) do
31 is_public?(activity) ||
32 (!public && is_private?(activity) && activity.data["actor"] == user.ap_id)
35 def is_direct?(%Activity{data: %{"directMessage" => true}}), do: true
36 def is_direct?(%Object{data: %{"directMessage" => true}}), do: true
38 def is_direct?(activity) do
39 !is_public?(activity) && !is_private?(activity)
42 def is_list?(%{data: %{"listMessage" => _}}), do: true
43 def is_list?(_), do: false
45 def visible_for_user?(%{actor: ap_id}, %User{ap_id: ap_id}), do: true
47 def visible_for_user?(%{data: %{"listMessage" => list_ap_id}} = activity, %User{} = user) do
48 user.ap_id in activity.data["to"] ||
50 |> Pleroma.List.get_by_ap_id()
51 |> Pleroma.List.member?(user)
54 def visible_for_user?(%{data: %{"listMessage" => _}}, nil), do: false
56 def visible_for_user?(activity, nil) do
60 def visible_for_user?(activity, user) do
61 x = [user.ap_id | user.following]
62 y = [activity.actor] ++ activity.data["to"] ++ (activity.data["cc"] || [])
63 visible_for_user?(activity, nil) || Enum.any?(x, &(&1 in y))
66 def entire_thread_visible_for_user?(%Activity{} = activity, %User{} = user) do
67 {:ok, %{rows: [[result]]}} =
68 Ecto.Adapters.SQL.query(Repo, "SELECT thread_visibility($1, $2)", [
76 def get_visibility(object) do
77 to = object.data["to"] || []
78 cc = object.data["cc"] || []
81 Pleroma.Constants.as_public() in to ->
84 Pleroma.Constants.as_public() in cc ->
87 # this should use the sql for the object's activity
88 Enum.any?(to, &String.contains?(&1, "/followers")) ->
91 object.data["directMessage"] == true ->
94 is_binary(object.data["listMessage"]) ->