distraction.party/lib/pleroma/web/federator/federator.ex

227 lines
6.7 KiB
Elixir
Raw Normal View History

defmodule Pleroma.Web.Federator do
2017-05-05 16:58:29 +00:00
use GenServer
alias Pleroma.User
2018-02-21 07:51:50 +00:00
alias Pleroma.Activity
2017-05-10 16:44:06 +00:00
alias Pleroma.Web.{WebFinger, Websub}
2018-08-26 18:17:13 +00:00
alias Pleroma.Web.Federator.RetryQueue
alias Pleroma.Web.ActivityPub.ActivityPub
alias Pleroma.Web.ActivityPub.Relay
2018-02-21 07:51:03 +00:00
alias Pleroma.Web.ActivityPub.Transmogrifier
alias Pleroma.Web.ActivityPub.Utils
alias Pleroma.Web.OStatus
require Logger
2017-04-28 13:45:10 +00:00
@websub Application.get_env(:pleroma, :websub)
@ostatus Application.get_env(:pleroma, :ostatus)
2017-06-23 14:37:34 +00:00
@httpoison Application.get_env(:pleroma, :httpoison)
2018-03-13 17:33:08 +00:00
@max_jobs 20
2017-05-05 16:58:29 +00:00
2018-05-07 16:11:37 +00:00
def init(args) do
{:ok, args}
end
2017-05-05 16:58:29 +00:00
def start_link do
2017-05-10 16:44:06 +00:00
spawn(fn ->
2018-03-30 13:01:53 +00:00
# 1 minute
Process.sleep(1000 * 60 * 1)
2017-05-10 16:44:06 +00:00
enqueue(:refresh_subscriptions, nil)
end)
2018-03-30 13:01:53 +00:00
GenServer.start_link(
__MODULE__,
%{
in: {:sets.new(), []},
out: {:sets.new(), []}
},
name: __MODULE__
)
2017-05-05 16:58:29 +00:00
end
2017-05-10 16:44:06 +00:00
def handle(:refresh_subscriptions, _) do
Logger.debug("Federator running refresh subscriptions")
Websub.refresh_subscriptions()
2018-03-30 13:01:53 +00:00
2017-05-10 16:44:06 +00:00
spawn(fn ->
2018-03-30 13:01:53 +00:00
# 6 hours
Process.sleep(1000 * 60 * 60 * 6)
2017-05-10 16:44:06 +00:00
enqueue(:refresh_subscriptions, nil)
end)
end
2017-08-02 10:34:48 +00:00
def handle(:request_subscription, websub) do
Logger.debug("Refreshing #{websub.topic}")
2018-03-30 13:01:53 +00:00
with {:ok, websub} <- Websub.request_subscription(websub) do
2017-08-02 10:34:48 +00:00
Logger.debug("Successfully refreshed #{websub.topic}")
else
_e -> Logger.debug("Couldn't refresh #{websub.topic}")
end
end
def handle(:publish, activity) do
2017-05-05 10:07:38 +00:00
Logger.debug(fn -> "Running publish for #{activity.data["id"]}" end)
2018-03-30 13:01:53 +00:00
with actor when not is_nil(actor) <- User.get_cached_by_ap_id(activity.data["actor"]) do
2017-05-01 12:07:29 +00:00
{:ok, actor} = WebFinger.ensure_keys_present(actor)
2018-03-30 13:01:53 +00:00
if ActivityPub.is_public?(activity) do
if OStatus.is_representable?(activity) do
Logger.info(fn -> "Sending #{activity.data["id"]} out via WebSub" end)
Websub.publish(Pleroma.Web.OStatus.feed_path(actor), actor, activity)
Logger.info(fn -> "Sending #{activity.data["id"]} out via Salmon" end)
Pleroma.Web.Salmon.publish(actor, activity)
end
if Keyword.get(Application.get_env(:pleroma, :instance), :allow_relay) do
2018-08-06 08:35:56 +00:00
Logger.info(fn -> "Relaying #{activity.data["id"]} out" end)
Relay.publish(activity)
2018-08-06 08:35:56 +00:00
end
end
2018-02-18 15:15:04 +00:00
Logger.info(fn -> "Sending #{activity.data["id"]} out via AP" end)
Pleroma.Web.ActivityPub.ActivityPub.publish(actor, activity)
end
end
def handle(:verify_websub, websub) do
2018-03-30 13:01:53 +00:00
Logger.debug(fn ->
"Running WebSub verification for #{websub.id} (#{websub.topic}, #{websub.callback})"
end)
2017-04-28 13:45:10 +00:00
@websub.verify(websub)
end
def handle(:incoming_doc, doc) do
Logger.info("Got document, trying to parse")
@ostatus.handle_incoming(doc)
end
2018-02-21 07:51:03 +00:00
def handle(:incoming_ap_doc, params) do
2018-03-19 17:28:06 +00:00
Logger.info("Handling incoming AP activity")
2018-03-30 13:01:53 +00:00
params = Utils.normalize_params(params)
# NOTE: we use the actor ID to do the containment, this is fine because an
# actor shouldn't be acting on objects outside their own AP server.
2018-02-21 07:51:03 +00:00
with {:ok, _user} <- ap_enabled_actor(params["actor"]),
nil <- Activity.normalize(params["id"]),
:ok <- Transmogrifier.contain_origin_from_id(params["actor"], params),
{:ok, activity} <- Transmogrifier.handle_incoming(params) do
{:ok, activity}
2018-02-21 07:51:03 +00:00
else
%Activity{} ->
Logger.info("Already had #{params["id"]}")
:error
2018-03-30 13:01:53 +00:00
_e ->
2018-02-21 07:51:03 +00:00
# Just drop those for now
Logger.info("Unhandled activity")
2018-03-30 13:01:53 +00:00
Logger.info(Poison.encode!(params, pretty: 2))
:error
2018-02-21 07:51:03 +00:00
end
end
def handle(:publish_single_ap, params) do
2018-08-26 18:17:13 +00:00
case ActivityPub.publish_one(params) do
{:ok, _} ->
:ok
{:error, _} ->
2018-11-19 16:08:41 +00:00
RetryQueue.enqueue(params, ActivityPub)
2018-08-26 18:17:13 +00:00
end
end
2018-08-26 18:17:13 +00:00
def handle(
:publish_single_websub,
%{xml: xml, topic: topic, callback: callback, secret: secret} = params
) do
case Websub.publish_one(params) do
{:ok, _} ->
:ok
{:error, _} ->
2018-11-19 16:08:41 +00:00
RetryQueue.enqueue(params, Websub)
2017-06-23 14:37:34 +00:00
end
end
2017-11-19 01:22:07 +00:00
def handle(type, _) do
2017-05-05 10:07:38 +00:00
Logger.debug(fn -> "Unknown task: #{type}" end)
2018-03-19 17:47:51 +00:00
{:error, "Don't know what to do with this"}
end
2018-11-16 20:35:08 +00:00
if Mix.env() == :test do
def enqueue(type, payload, priority \\ 1) do
if Pleroma.Config.get([:instance, :federating]) do
2018-03-05 08:26:24 +00:00
handle(type, payload)
2018-11-16 20:35:08 +00:00
end
end
else
def enqueue(type, payload, priority \\ 1) do
if Pleroma.Config.get([:instance, :federating]) do
2018-03-05 08:26:24 +00:00
GenServer.cast(__MODULE__, {:enqueue, type, payload, priority})
end
2017-05-05 16:58:29 +00:00
end
end
def maybe_start_job(running_jobs, queue) do
2018-03-30 13:01:53 +00:00
if :sets.size(running_jobs) < @max_jobs && queue != [] do
2017-12-06 15:51:11 +00:00
{{type, payload}, queue} = queue_pop(queue)
2017-05-05 16:58:29 +00:00
{:ok, pid} = Task.start(fn -> handle(type, payload) end)
mref = Process.monitor(pid)
{:sets.add_element(mref, running_jobs), queue}
else
{running_jobs, queue}
end
end
2017-05-05 16:58:29 +00:00
def handle_cast({:enqueue, type, payload, _priority}, state)
2018-03-30 13:01:53 +00:00
when type in [:incoming_doc, :incoming_ap_doc] do
%{in: {i_running_jobs, i_queue}, out: {o_running_jobs, o_queue}} = state
2017-12-05 17:21:30 +00:00
i_queue = enqueue_sorted(i_queue, {type, payload}, 1)
{i_running_jobs, i_queue} = maybe_start_job(i_running_jobs, i_queue)
{:noreply, %{in: {i_running_jobs, i_queue}, out: {o_running_jobs, o_queue}}}
end
def handle_cast({:enqueue, type, payload, _priority}, state) do
%{in: {i_running_jobs, i_queue}, out: {o_running_jobs, o_queue}} = state
2017-12-05 17:21:30 +00:00
o_queue = enqueue_sorted(o_queue, {type, payload}, 1)
{o_running_jobs, o_queue} = maybe_start_job(o_running_jobs, o_queue)
{:noreply, %{in: {i_running_jobs, i_queue}, out: {o_running_jobs, o_queue}}}
2017-05-05 16:58:29 +00:00
end
2017-11-19 01:22:07 +00:00
def handle_cast(m, state) do
IO.inspect("Unknown: #{inspect(m)}, #{inspect(state)}")
{:noreply, state}
end
def handle_info({:DOWN, ref, :process, _pid, _reason}, state) do
%{in: {i_running_jobs, i_queue}, out: {o_running_jobs, o_queue}} = state
i_running_jobs = :sets.del_element(ref, i_running_jobs)
o_running_jobs = :sets.del_element(ref, o_running_jobs)
{i_running_jobs, i_queue} = maybe_start_job(i_running_jobs, i_queue)
{o_running_jobs, o_queue} = maybe_start_job(o_running_jobs, o_queue)
{:noreply, %{in: {i_running_jobs, i_queue}, out: {o_running_jobs, o_queue}}}
2017-05-05 16:58:29 +00:00
end
2017-12-05 17:21:30 +00:00
def enqueue_sorted(queue, element, priority) do
[%{item: element, priority: priority} | queue]
2018-03-30 13:01:53 +00:00
|> Enum.sort_by(fn %{priority: priority} -> priority end)
2017-12-05 17:21:30 +00:00
end
def queue_pop([%{item: element} | queue]) do
{element, queue}
end
2018-02-21 07:51:03 +00:00
def ap_enabled_actor(id) do
user = User.get_by_ap_id(id)
2018-03-30 13:01:53 +00:00
2018-02-21 07:51:03 +00:00
if User.ap_enabled?(user) do
{:ok, user}
else
ActivityPub.make_user_from_ap_id(id)
end
end
end