Assorted fixes.

lib/pleroma/user/info.ex

@@ -20,6 +20,8 @@ defmodule Pleroma.User.Info do
     field(:settings, :map, default: nil)
     field(:magic_key, :string, default: nil)
     field(:uri, :string, default: nil)
+    field(:topic, :string, default: nil)
+    field(:hub, :string, default: nil)
     # topic, subject, salmon, subscribe_address, uri
   end
 
@@ -99,7 +101,9 @@ defmodule Pleroma.User.Info do
       :banner,
       :locked,
       :magic_key,
-      :uri
+      :uri,
+      :hub,
+      :topic
     ])
   end
 

lib/pleroma/web/websub/websub.ex

@@ -146,7 +146,7 @@ defmodule Pleroma.Web.Websub do
   end
 
   def subscribe(subscriber, subscribed, requester \\ &request_subscription/1) do
-    topic = subscribed.info["topic"]
+    topic = subscribed.info.topic
     # FIXME: Race condition, use transactions
     {:ok, subscription} =
       with subscription when not is_nil(subscription) <-
@@ -158,7 +158,7 @@ defmodule Pleroma.Web.Websub do
         _e ->
           subscription = %WebsubClientSubscription{
             topic: topic,
-            hub: subscribed.info["hub"],
+            hub: subscribed.info.hub,
             subscribers: [subscriber.ap_id],
             state: "requested",
             secret: :crypto.strong_rand_bytes(8) |> Base.url_encode64(),