+ def handle_incoming(
+ %{
+ "type" => "Undo",
+ "object" => %{"type" => "Announce", "object" => object_id},
+ "actor" => _actor,
+ "id" => id
+ } = data
+ ) do
+ with actor <- get_actor(data),
+ %User{} = actor <- User.get_or_fetch_by_ap_id(actor),
+ {:ok, object} <- get_obj_helper(object_id) || fetch_obj_helper(object_id),
+ {:ok, activity, _} <- ActivityPub.unannounce(actor, object, id, false) do
+ {:ok, activity}
+ else
+ _e -> :error
+ end
+ end
+
+ def handle_incoming(
+ %{
+ "type" => "Undo",
+ "object" => %{"type" => "Follow", "object" => followed},
+ "actor" => follower,
+ "id" => id
+ } = _data
+ ) do
+ with %User{local: true} = followed <- User.get_cached_by_ap_id(followed),
+ %User{} = follower <- User.get_or_fetch_by_ap_id(follower),
+ {:ok, activity} <- ActivityPub.unfollow(follower, followed, id, false) do
+ User.unfollow(follower, followed)
+ {:ok, activity}
+ else
+ _e -> :error
+ end
+ end
+
+ def handle_incoming(
+ %{
+ "type" => "Undo",
+ "object" => %{"type" => "Block", "object" => blocked},
+ "actor" => blocker,
+ "id" => id
+ } = _data
+ ) do
+ with true <- Pleroma.Config.get([:activitypub, :accept_blocks]),
+ %User{local: true} = blocked <- User.get_cached_by_ap_id(blocked),
+ %User{} = blocker <- User.get_or_fetch_by_ap_id(blocker),
+ {:ok, activity} <- ActivityPub.unblock(blocker, blocked, id, false) do
+ User.unblock(blocker, blocked)
+ {:ok, activity}
+ else
+ _e -> :error
+ end
+ end
+
+ def handle_incoming(
+ %{"type" => "Block", "object" => blocked, "actor" => blocker, "id" => id} = _data
+ ) do
+ with true <- Pleroma.Config.get([:activitypub, :accept_blocks]),
+ %User{local: true} = blocked = User.get_cached_by_ap_id(blocked),
+ %User{} = blocker = User.get_or_fetch_by_ap_id(blocker),
+ {:ok, activity} <- ActivityPub.block(blocker, blocked, id, false) do
+ User.unfollow(blocker, blocked)
+ User.block(blocker, blocked)
+ {:ok, activity}
+ else
+ _e -> :error
+ end
+ end
+
+ def handle_incoming(
+ %{
+ "type" => "Undo",
+ "object" => %{"type" => "Like", "object" => object_id},
+ "actor" => _actor,
+ "id" => id
+ } = data
+ ) do
+ with actor <- get_actor(data),
+ %User{} = actor <- User.get_or_fetch_by_ap_id(actor),
+ {:ok, object} <- get_obj_helper(object_id) || fetch_obj_helper(object_id),
+ {:ok, activity, _, _} <- ActivityPub.unlike(actor, object, id, false) do
+ {:ok, activity}
+ else
+ _e -> :error
+ end
+ end