Handle webpubs in queue.

lib/pleroma/web/federator/federator.ex

@@ -6,6 +6,7 @@ defmodule Pleroma.Web.Federator do
 
   @websub Application.get_env(:pleroma, :websub)
   @ostatus Application.get_env(:pleroma, :ostatus)
+  @httpoison Application.get_env(:pleroma, :httpoison)
   @max_jobs 10
 
   def start_link do
@@ -47,6 +48,20 @@ def handle(:incoming_doc, doc) do
     @ostatus.handle_incoming(doc)
   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)
+
+    with {:ok, %{status_code: code}} <- @httpoison.post(callback, xml, [
+                  {"Content-Type", "application/atom+xml"},
+                  {"X-Hub-Signature", "sha1=#{signature}"}
+                ], timeout: 10000, recv_timeout: 20000) do
+      Logger.debug(fn -> "Pushed to #{callback}, code #{code}" end)
+    else e ->
+        Logger.debug(fn -> "Couldn't push to #{callback}, #{inspect(e)}" end)
+    end
+  end
+
   def handle(type, payload) do
     Logger.debug(fn -> "Unknown task: #{type}" end)
     {:error, "Don't know what do do with this"}

lib/pleroma/web/websub/websub.ex

@@ -49,19 +49,13 @@ def publish(topic, user, activity) do
       |> :xmerl.export_simple(:xmerl_xml)
       |> to_string
 
-      signature = sign(sub.secret || "", response)
-      Logger.debug(fn -> "Pushing #{topic} to #{sub.callback}" end)
-
-      Task.start(fn ->
-        with {:ok, %{status_code: code}} <- @httpoison.post(sub.callback, response, [
-          {"Content-Type", "application/atom+xml"},
-          {"X-Hub-Signature", "sha1=#{signature}"}
-        ], timeout: 10000, recv_timeout: 20000) do
-          Logger.debug(fn -> "Pushed to #{sub.callback}, code #{code}" end)
-        else e ->
-            Logger.debug(fn -> "Couldn't push to #{sub.callback}, #{inspect(e)}" end)
-        end
-      end)
+      data = %{
+        xml: response,
+        topic: topic,
+        callback: sub.callback,
+        secret: sub.secret
+      }
+      Pleroma.Web.Federator.enqueue(:publish_single_websub, data)
     end)
   end