1 # Pleroma: A lightweight social networking server
2 # Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
3 # SPDX-License-Identifier: AGPL-3.0-only
5 defmodule Pleroma.Web.ActivityPub.ObjectValidators.AddRemoveValidator do
9 import Pleroma.Web.ActivityPub.ObjectValidators.CommonValidations
11 require Pleroma.Constants
13 alias Pleroma.EctoType.ActivityPub.ObjectValidators
19 field(:id, ObjectValidators.ObjectID, primary_key: true)
21 field(:object, ObjectValidators.ObjectID)
22 field(:actor, ObjectValidators.ObjectID)
24 field(:to, ObjectValidators.Recipients, default: [])
25 field(:cc, ObjectValidators.Recipients, default: [])
28 def cast_and_validate(data) do
29 {:ok, actor} = User.get_or_fetch_by_ap_id(data["actor"])
31 {:ok, actor} = maybe_refetch_user(actor)
34 |> maybe_fix_data_for_mastodon(actor)
36 |> validate_data(actor)
39 defp maybe_fix_data_for_mastodon(data, actor) do
40 # Mastodon sends pin/unpin objects without id, to, cc fields
42 |> Map.put_new("id", Pleroma.Web.ActivityPub.Utils.generate_activity_id())
43 |> Map.put_new("to", [Pleroma.Constants.as_public()])
44 |> Map.put_new("cc", [actor.follower_address])
47 defp cast_data(data) do
48 cast(%__MODULE__{}, data, __schema__(:fields))
51 defp validate_data(changeset, actor) do
53 |> validate_required([:id, :target, :object, :actor, :type, :to, :cc])
54 |> validate_inclusion(:type, ~w(Add Remove))
55 |> validate_actor_presence()
56 |> validate_collection_belongs_to_actor(actor)
57 |> validate_object_presence()
60 defp validate_collection_belongs_to_actor(changeset, actor) do
61 validate_change(changeset, :target, fn :target, target ->
62 if target == actor.featured_address do
65 [target: "collection doesn't belong to actor"]
70 defp maybe_refetch_user(%User{featured_address: address} = user) when is_binary(address) do
74 defp maybe_refetch_user(%User{ap_id: ap_id}) do
75 Pleroma.Web.ActivityPub.Transmogrifier.upgrade_user_from_ap_id(ap_id)