78 lines
2.4 KiB
Elixir
78 lines
2.4 KiB
Elixir
# 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.Activity
|
|
alias Pleroma.Object
|
|
alias Pleroma.User
|
|
alias Pleroma.Web.ActivityPub.ActivityPub
|
|
require Logger
|
|
|
|
def get_actor do
|
|
actor =
|
|
"#{Pleroma.Web.Endpoint.url()}/relay"
|
|
|> User.get_or_create_service_actor_by_ap_id()
|
|
|
|
{:ok, actor} = User.update_info(actor, &User.Info.set_invisible(&1, true))
|
|
actor
|
|
end
|
|
|
|
@spec follow(String.t()) :: {:ok, Activity.t()} | {:error, any()}
|
|
def follow(target_instance) do
|
|
with %User{} = local_user <- get_actor(),
|
|
{: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
|
|
error -> format_error(error)
|
|
end
|
|
end
|
|
|
|
@spec unfollow(String.t()) :: {:ok, Activity.t()} | {:error, any()}
|
|
def unfollow(target_instance) do
|
|
with %User{} = local_user <- get_actor(),
|
|
{: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
|
|
error -> format_error(error)
|
|
end
|
|
end
|
|
|
|
@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) do
|
|
ActivityPub.announce(user, object, nil, true, false)
|
|
else
|
|
error -> format_error(error)
|
|
end
|
|
end
|
|
|
|
def publish(_), do: {:error, "Not implemented"}
|
|
|
|
@spec list() :: {:ok, [String.t()]} | {:error, any()}
|
|
def list do
|
|
with %User{following: following} = _user <- get_actor() do
|
|
list =
|
|
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
|