+# 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}
+ alias Pleroma.Activity
+ alias Pleroma.Object
+ alias Pleroma.User
alias Pleroma.Web.ActivityPub.ActivityPub
require Logger
def get_actor do
- User.get_or_create_instance_user()
+ actor =
+ relay_ap_id()
+ |> User.get_or_create_service_actor_by_ap_id()
+
+ actor
+ end
+
+ def relay_ap_id do
+ "#{Pleroma.Web.Endpoint.url()}/relay"
end
+ @spec follow(String.t()) :: {:ok, Activity.t()} | {:error, any()}
def follow(target_instance) do
with %User{} = local_user <- get_actor(),
- %User{} = target_user <- User.get_or_fetch_by_ap_id(target_instance),
+ {:ok, %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 -> format_error(error)
end
-
- :ok
end
+ @spec unfollow(String.t()) :: {:ok, Activity.t()} | {:error, any()}
def unfollow(target_instance) do
with %User{} = local_user <- get_actor(),
- %User{} = target_user <- User.get_or_fetch_by_ap_id(target_instance),
+ {:ok, %User{} = target_user} <- User.get_or_fetch_by_ap_id(target_instance),
{:ok, activity} <- ActivityPub.unfollow(local_user, target_user) do
+ User.unfollow(local_user, target_user)
Logger.info("relay: unfollowed instance: #{target_instance}: id=#{activity.data["id"]}")
+ {:ok, activity}
else
- e -> Logger.error("error: #{inspect(e)}")
+ error -> format_error(error)
end
-
- :ok
end
- def publish(activity) do
+ @spec publish(any()) :: {:ok, Activity.t(), Object.t()} | {:error, any()}
+ 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)
+ %Object{} = object <- Object.normalize(activity) do
+ ActivityPub.announce(user, object, nil, true, false)
else
- e -> Logger.error("error: #{inspect(e)}")
+ error -> format_error(error)
end
end
+
+ def publish(_), do: {:error, "Not implemented"}
+
+ @spec list() :: {:ok, [String.t()]} | {:error, any()}
+ def list do
+ with %User{} = user <- get_actor() do
+ list =
+ user
+ |> User.following()
+ |> Enum.map(fn entry -> URI.parse(entry).host end)
+ |> Enum.uniq()
+
+ {:ok, list}
+ else
+ error -> format_error(error)
+ end
+ end
+
+ defp format_error({:error, error}), do: format_error(error)
+
+ defp format_error(error) do
+ Logger.error("error: #{inspect(error)}")
+ {:error, error}
+ end
end