Merge branch 'fix-losing-relay-private-keys' into 'main'

Federation fixes

See merge request framasoft/mobilizon!1410

config/config.exs

@@ -307,7 +307,7 @@ config :mobilizon, Oban,
      crontab: [
        {"@hourly", Mobilizon.Service.Workers.BuildSiteMap, queue: :background},
        {"17 4 * * *", Mobilizon.Service.Workers.RefreshGroups, queue: :background},
-       {"36 * * * *", Mobilizon.Service.Workers.RefreshInstances, queue: :background},
+       {"36 3 * * *", Mobilizon.Service.Workers.RefreshInstances, queue: :background},
        {"@hourly", Mobilizon.Service.Workers.CleanOrphanMediaWorker, queue: :background},
        {"@hourly", Mobilizon.Service.Workers.CleanUnconfirmedUsersWorker, queue: :background},
        {"@hourly", Mobilizon.Service.Workers.ExportCleanerWorker, queue: :background},

lib/federation/activity_pub/relay.ex

@@ -23,7 +23,13 @@ defmodule Mobilizon.Federation.ActivityPub.Relay do
   def init do
     # Wait for everything to settle.
     Process.sleep(1000 * 5)
-    get_actor()
+    relay = get_actor()
+
+    unless Regex.match?(~r/BEGIN RSA PRIVATE KEY/, relay.keys) do
+      {:ok, relay} = Actors.actor_key_rotation(relay)
+    end
+
+    relay
   end
 
   @spec get_actor() :: Actor.t() | no_return