+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
defmodule Pleroma.Web.Federator do
- use GenServer
- alias Pleroma.User
alias Pleroma.Activity
- alias Pleroma.Web.{WebFinger, Websub}
+ alias Pleroma.User
+ alias Pleroma.Web.WebFinger
+ alias Pleroma.Web.Websub
+ alias Pleroma.Web.Salmon
alias Pleroma.Web.ActivityPub.ActivityPub
alias Pleroma.Web.ActivityPub.Relay
alias Pleroma.Web.ActivityPub.Transmogrifier
alias Pleroma.Web.ActivityPub.Utils
- alias Pleroma.Config
+ alias Pleroma.Web.Federator.RetryQueue
+ alias Pleroma.Web.OStatus
+ alias Pleroma.Jobs
+
require Logger
@websub Application.get_env(:pleroma, :websub)
@ostatus Application.get_env(:pleroma, :ostatus)
- @httpoison Application.get_env(:pleroma, :httpoison)
- @instance Application.get_env(:pleroma, :instance)
- @federating Keyword.get(@instance, :federating)
- @max_jobs 20
- def init(args) do
- {:ok, args}
+ def init() do
+ # 1 minute
+ Process.sleep(1000 * 60 * 1)
+ refresh_subscriptions()
end
- def start_link do
- spawn(fn ->
- # 1 minute
- Process.sleep(1000 * 60 * 1)
- enqueue(:refresh_subscriptions, nil)
- end)
+ # Client API
+
+ def incoming_doc(doc) do
+ Jobs.enqueue(:federator_incoming, __MODULE__, [:incoming_doc, doc])
+ end
+
+ def incoming_ap_doc(params) do
+ Jobs.enqueue(:federator_incoming, __MODULE__, [:incoming_ap_doc, params])
+ end
+
+ def publish(activity, priority \\ 1) do
+ Jobs.enqueue(:federator_outgoing, __MODULE__, [:publish, activity], priority)
+ end
- GenServer.start_link(
- __MODULE__,
- %{
- in: {:sets.new(), []},
- out: {:sets.new(), []}
- },
- name: __MODULE__
- )
+ def publish_single_ap(params) do
+ Jobs.enqueue(:federator_outgoing, __MODULE__, [:publish_single_ap, params])
end
- def handle(:refresh_subscriptions, _) do
+ def publish_single_websub(websub) do
+ Jobs.enqueue(:federator_outgoing, __MODULE__, [:publish_single_websub, websub])
+ end
+
+ def verify_websub(websub) do
+ Jobs.enqueue(:federator_outgoing, __MODULE__, [:verify_websub, websub])
+ end
+
+ def request_subscription(sub) do
+ Jobs.enqueue(:federator_outgoing, __MODULE__, [:request_subscription, sub])
+ end
+
+ def refresh_subscriptions() do
+ Jobs.enqueue(:federator_outgoing, __MODULE__, [:refresh_subscriptions])
+ end
+
+ def publish_single_salmon(params) do
+ Jobs.enqueue(:federator_outgoing, __MODULE__, [:publish_single_salmon, params])
+ end
+
+ # Job Worker Callbacks
+
+ def perform(:refresh_subscriptions) do
Logger.debug("Federator running refresh subscriptions")
Websub.refresh_subscriptions()
spawn(fn ->
# 6 hours
Process.sleep(1000 * 60 * 60 * 6)
- enqueue(:refresh_subscriptions, nil)
+ refresh_subscriptions()
end)
end
- def handle(:request_subscription, websub) do
+ def perform(:request_subscription, websub) do
Logger.debug("Refreshing #{websub.topic}")
with {:ok, websub} <- Websub.request_subscription(websub) do
end
end
- def handle(:publish, activity) do
+ def perform(:publish, activity) do
Logger.debug(fn -> "Running publish for #{activity.data["id"]}" end)
with actor when not is_nil(actor) <- User.get_cached_by_ap_id(activity.data["actor"]) do
{:ok, actor} = WebFinger.ensure_keys_present(actor)
if ActivityPub.is_public?(activity) do
- Logger.info(fn -> "Sending #{activity.data["id"]} out via WebSub" end)
- Websub.publish(Pleroma.Web.OStatus.feed_path(actor), actor, activity)
+ 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)
+ Logger.info(fn -> "Sending #{activity.data["id"]} out via Salmon" end)
+ Pleroma.Web.Salmon.publish(actor, activity)
+ end
- if Config.get([:instance, :allow_relay]) do
+ if Keyword.get(Application.get_env(:pleroma, :instance), :allow_relay) do
Logger.info(fn -> "Relaying #{activity.data["id"]} out" end)
Relay.publish(activity)
end
end
end
- def handle(:verify_websub, websub) do
+ def perform(:verify_websub, websub) do
Logger.debug(fn ->
"Running WebSub verification for #{websub.id} (#{websub.topic}, #{websub.callback})"
end)
@websub.verify(websub)
end
- def handle(:incoming_doc, doc) do
+ def perform(:incoming_doc, doc) do
Logger.info("Got document, trying to parse")
@ostatus.handle_incoming(doc)
end
- def handle(:incoming_ap_doc, params) do
+ def perform(:incoming_ap_doc, params) do
Logger.info("Handling incoming AP activity")
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.
with {:ok, _user} <- ap_enabled_actor(params["actor"]),
nil <- Activity.normalize(params["id"]),
- {:ok, _activity} <- Transmogrifier.handle_incoming(params) do
+ :ok <- Transmogrifier.contain_origin_from_id(params["actor"], params),
+ {:ok, activity} <- Transmogrifier.handle_incoming(params) do
+ {:ok, activity}
else
%Activity{} ->
Logger.info("Already had #{params["id"]}")
+ :error
_e ->
# Just drop those for now
Logger.info("Unhandled activity")
Logger.info(Poison.encode!(params, pretty: 2))
+ :error
end
end
- def handle(:publish_single_ap, params) do
- ActivityPub.publish_one(params)
+ def perform(:publish_single_salmon, params) do
+ Salmon.send_to_user(params)
end
- def handle(:publish_single_websub, %{xml: xml, topic: topic, callback: callback, secret: secret}) do
- signature = @websub.sign(secret || "", xml)
- Logger.debug(fn -> "Pushing #{topic} to #{callback}" end)
+ def perform(:publish_single_ap, params) do
+ case ActivityPub.publish_one(params) do
+ {:ok, _} ->
+ :ok
- with {:ok, %{status_code: code}} <-
- @httpoison.post(
- callback,
- xml,
- [
- {"Content-Type", "application/atom+xml"},
- {"X-Hub-Signature", "sha1=#{signature}"}
- ],
- timeout: 10000,
- recv_timeout: 20000,
- hackney: [pool: :default]
- ) do
- Logger.debug(fn -> "Pushed to #{callback}, code #{code}" end)
- else
- e ->
- Logger.debug(fn -> "Couldn't push to #{callback}, #{inspect(e)}" end)
+ {:error, _} ->
+ RetryQueue.enqueue(params, ActivityPub)
end
end
- def handle(type, _) do
- Logger.debug(fn -> "Unknown task: #{type}" end)
- {:error, "Don't know what to do with this"}
- end
-
- def enqueue(type, payload, priority \\ 1) do
- if @federating do
- if Mix.env() == :test do
- handle(type, payload)
- else
- GenServer.cast(__MODULE__, {:enqueue, type, payload, priority})
- end
- end
- end
+ def perform(
+ :publish_single_websub,
+ %{xml: _xml, topic: _topic, callback: _callback, secret: _secret} = params
+ ) do
+ case Websub.publish_one(params) do
+ {:ok, _} ->
+ :ok
- def maybe_start_job(running_jobs, queue) do
- if :sets.size(running_jobs) < @max_jobs && queue != [] do
- {{type, payload}, queue} = queue_pop(queue)
- {:ok, pid} = Task.start(fn -> handle(type, payload) end)
- mref = Process.monitor(pid)
- {:sets.add_element(mref, running_jobs), queue}
- else
- {running_jobs, queue}
+ {:error, _} ->
+ RetryQueue.enqueue(params, Websub)
end
end
- def handle_cast({:enqueue, type, payload, _priority}, state)
- when type in [:incoming_doc, :incoming_ap_doc] do
- %{in: {i_running_jobs, i_queue}, out: {o_running_jobs, o_queue}} = state
- 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
- 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}}}
- end
-
- 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}}}
- end
-
- def enqueue_sorted(queue, element, priority) do
- [%{item: element, priority: priority} | queue]
- |> Enum.sort_by(fn %{priority: priority} -> priority end)
- end
-
- def queue_pop([%{item: element} | queue]) do
- {element, queue}
+ def perform(type, _) do
+ Logger.debug(fn -> "Unknown task: #{type}" end)
+ {:error, "Don't know what to do with this"}
end
def ap_enabled_actor(id) do
projects / akkoma / blobdiff