X-Git-Url: http://git.squeep.com/?a=blobdiff_plain;f=lib%2Fpleroma%2Fweb%2Ffederator%2Ffederator.ex;h=468959a65f34883b55d07593d149b043374195eb;hb=06c4935c11fc58f5ede18706bc46dcc502e64052;hp=675e804a256a38b9fc9e3d141c1325956c9237eb;hpb=35938656ab4186912ee6593cc09754ef945e17fc;p=akkoma

diff --git a/lib/pleroma/web/federator/federator.ex b/lib/pleroma/web/federator/federator.ex
index 675e804a2..468959a65 100644
--- a/lib/pleroma/web/federator/federator.ex
+++ b/lib/pleroma/web/federator/federator.ex
@@ -1,38 +1,235 @@
+# 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.Activity
   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.Web.Federator.RetryQueue
+  alias Pleroma.Web.OStatus
+
   require Logger
 
   @websub Application.get_env(:pleroma, :websub)
+  @ostatus Application.get_env(:pleroma, :ostatus)
+
+  def init(args) do
+    {:ok, args}
+  end
+
+  def start_link do
+    spawn(fn ->
+      # 1 minute
+      Process.sleep(1000 * 60)
+      enqueue(:refresh_subscriptions, nil)
+    end)
+
+    GenServer.start_link(
+      __MODULE__,
+      %{
+        in: {:sets.new(), []},
+        out: {:sets.new(), []}
+      },
+      name: __MODULE__
+    )
+  end
+
+  def handle(: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)
+    end)
+  end
+
+  def handle(:request_subscription, websub) do
+    Logger.debug("Refreshing #{websub.topic}")
+
+    with {:ok, websub} <- Websub.request_subscription(websub) do
+      Logger.debug("Successfully refreshed #{websub.topic}")
+    else
+      _e -> Logger.debug("Couldn't refresh #{websub.topic}")
+    end
+  end
 
   def handle(:publish, activity) do
-    Logger.debug("Running publish for #{activity.data["id"]}")
-    with actor when not is_nil(actor) <- User.get_cached_by_ap_id(activity.data["actor"]) do
-      Logger.debug("Sending #{activity.data["id"]} out via websub")
-      Pleroma.Web.Websub.publish(Pleroma.Web.OStatus.feed_path(actor), actor, activity)
+    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)
-      Logger.debug("Sending #{activity.data["id"]} out via salmon")
-      Pleroma.Web.Salmon.publish(actor, activity)
+
+      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
+          Logger.info(fn -> "Relaying #{activity.data["id"]} out" end)
+          Relay.publish(activity)
+        end
+      end
+
+      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
-    Logger.debug("Running websub verification for #{websub.id} (#{websub.topic}, #{websub.callback})")
+    Logger.debug(fn ->
+      "Running WebSub verification for #{websub.id} (#{websub.topic}, #{websub.callback})"
+    end)
+
     @websub.verify(websub)
   end
 
-  def handle(type, payload) do
-    Logger.debug("Unknown task: #{type}")
-    {:error, "Don't know what do do with this"}
+  def handle(:incoming_doc, doc) do
+    Logger.info("Got document, trying to parse")
+    @ostatus.handle_incoming(doc)
+  end
+
+  def handle(: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 <- 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_salmon, params) do
+    Salmon.send_to_user(params)
   end
 
-  def enqueue(type, payload) do
-    # for now, just run immediately in a new process.
-    if Mix.env == :test do
-      handle(type, payload)
+  def handle(:publish_single_ap, params) do
+    case ActivityPub.publish_one(params) do
+      {:ok, _} ->
+        :ok
+
+      {:error, _} ->
+        RetryQueue.enqueue(params, ActivityPub)
+    end
+  end
+
+  def handle(
+        :publish_single_websub,
+        %{xml: _xml, topic: _topic, callback: _callback, secret: _secret} = params
+      ) do
+    case Websub.publish_one(params) do
+      {:ok, _} ->
+        :ok
+
+      {:error, _} ->
+        RetryQueue.enqueue(params, Websub)
+    end
+  end
+
+  def handle(type, _) do
+    Logger.debug(fn -> "Unknown task: #{type}" end)
+    {:error, "Don't know what to do with this"}
+  end
+
+  if Mix.env() == :test do
+    def enqueue(type, payload, _priority \\ 1) do
+      if Pleroma.Config.get([:instance, :federating]) do
+        handle(type, payload)
+      end
+    end
+  else
+    def enqueue(type, payload, priority \\ 1) do
+      if Pleroma.Config.get([:instance, :federating]) do
+        GenServer.cast(__MODULE__, {:enqueue, type, payload, priority})
+      end
+    end
+  end
+
+  def maybe_start_job(running_jobs, queue) do
+    if :sets.size(running_jobs) < Pleroma.Config.get([__MODULE__, :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}
+    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(_, state) do
+    {: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}
+  end
+
+  def ap_enabled_actor(id) do
+    user = User.get_by_ap_id(id)
+
+    if User.ap_enabled?(user) do
+      {:ok, user}
     else
-      spawn(fn -> handle(type, payload) end)
+      ActivityPub.make_user_from_ap_id(id)
     end
   end
 end