Merge branch 'plug-if-unless-func-options-refactoring' into 'develop'

Refactoring of :if_func / :unless_func plug options

See merge request pleroma/pleroma!2446

lib/pleroma/plugs/ensure_authenticated_plug.ex

@@ -19,22 +19,7 @@ defmodule Pleroma.Plugs.EnsureAuthenticatedPlug do
     conn
   end
 
-  def perform(conn, options) do
-    perform =
-      cond do
-        options[:if_func] -> options[:if_func].()
-        options[:unless_func] -> !options[:unless_func].()
-        true -> true
-      end
-
-    if perform do
-      fail(conn)
-    else
-      conn
-    end
-  end
-
-  def fail(conn) do
+  def perform(conn, _) do
     conn
     |> render_error(:forbidden, "Invalid credentials.")
     |> halt()

lib/pleroma/plugs/federating_plug.ex

@@ -19,6 +19,9 @@ defmodule Pleroma.Web.FederatingPlug do
 
   def federating?, do: Pleroma.Config.get([:instance, :federating])
 
+  # Definition for the use in :if_func / :unless_func plug options
+  def federating?(_conn), do: federating?()
+
   defp fail(conn) do
     conn
     |> put_status(404)