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

   1 defmodule Pleroma.Web.ActivityPub.Relay do
   2   alias Pleroma.{User, Object, Activity}
   3   alias Pleroma.Web.ActivityPub.ActivityPub
   4   require Logger
   5
   6   def get_actor do
   7     User.get_or_create_instance_user()
   8   end
   9
  10   def follow(target_instance) do
  11     with %User{} = local_user <- get_actor(),
  12          %User{} = target_user <- User.get_or_fetch_by_ap_id(target_instance),
  13          {:ok, activity} <- ActivityPub.follow(local_user, target_user) do
  14       Logger.info("relay: followed instance: #{target_instance}; id=#{activity.data["id"]}")
  15       {:ok, activity}
  16     else
  17       e ->
  18         Logger.error("error: #{inspect(e)}")
  19         {:error, e}
  20     end
  21   end
  22
  23   def unfollow(target_instance) do
  24     with %User{} = local_user <- get_actor(),
  25          %User{} = target_user <- User.get_or_fetch_by_ap_id(target_instance),
  26          {:ok, activity} <- ActivityPub.unfollow(local_user, target_user) do
  27       Logger.info("relay: unfollowed instance: #{target_instance}: id=#{activity.data["id"]}")
  28       {:ok, activity}
  29     else
  30       e ->
  31         Logger.error("error: #{inspect(e)}")
  32         {:error, e}
  33     end
  34   end
  35
  36   def publish(%Activity{data: %{"type" => "Create"}} = activity) do
  37     with %User{} = user <- get_actor(),
  38          %Object{} = object <- Object.normalize(activity.data["object"]["id"]) do
  39       ActivityPub.announce(user, object)
  40     else
  41       e -> Logger.error("error: #{inspect(e)}")
  42     end
  43   end
  44
  45   def publish(_), do: nil
  46 end