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# Pleroma: A lightweight social networking server
# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.ActivityPub.Relay do
alias Pleroma.{User, Object, Activity}
alias Pleroma.Web.ActivityPub.ActivityPub
require Logger
def get_actor do
User.get_or_create_instance_user()
end
def follow(target_instance) do
with %User{} = local_user <- get_actor(),
%User{} = target_user <- User.get_or_fetch_by_ap_id(target_instance),
{:ok, activity} <- ActivityPub.follow(local_user, target_user) do
Logger.info("relay: followed instance: #{target_instance}; id=#{activity.data["id"]}")
{:ok, activity}
else
e ->
Logger.error("error: #{inspect(e)}")
{:error, e}
end
end
def unfollow(target_instance) do
with %User{} = local_user <- get_actor(),
%User{} = target_user <- User.get_or_fetch_by_ap_id(target_instance),
{:ok, activity} <- ActivityPub.unfollow(local_user, target_user) do
Logger.info("relay: unfollowed instance: #{target_instance}: id=#{activity.data["id"]}")
{:ok, activity}
else
e ->
Logger.error("error: #{inspect(e)}")
{:error, e}
end
end
def publish(%Activity{data: %{"type" => "Create"}} = activity) do
with %User{} = user <- get_actor(),
%Object{} = object <- Object.normalize(activity.data["object"]["id"]) do
ActivityPub.announce(user, object, nil, true, false)
else
e -> Logger.error("error: #{inspect(e)}")
end
end
def publish(_), do: nil
end
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