[#534] Federation publish requests status control (enforced 2xx response code check).

lib/pleroma/web/activity_pub/activity_pub.ex

@@ -742,7 +742,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
         digest: digest
       })
 
-    with {:ok, _} <-
+    with {:ok, %{status: code}} when code in 200..299 <-
            result =
              @httpoison.post(
                inbox,

lib/pleroma/web/salmon/salmon.ex

@@ -169,7 +169,7 @@ defmodule Pleroma.Web.Salmon do
 
   defp send_to_user(url, feed, poster) when is_binary(url) do
     with {:reachable, true} <- {:reachable, Instances.reachable?(url)},
-         {:ok, %{status: code}} <-
+         {:ok, %{status: code}} when code in 200..299 <-
            poster.(
              url,
              feed,

lib/pleroma/web/websub/websub.ex

@@ -269,7 +269,7 @@ defmodule Pleroma.Web.Websub do
     Logger.info(fn -> "Pushing #{topic} to #{callback}" end)
 
     with {:reachable, true} <- {:reachable, Instances.reachable?(callback)},
-         {:ok, %{status: code}} <-
+         {:ok, %{status: code}} when code in 200..299 <-
            @httpoison.post(
              callback,
              xml,