railtie.rb in warden-github-rails-1.2.3

- old
+ new

@@ -1,9 +1,16 @@
 module Warden
   module GitHub
     module Rails
       class Railtie < ::Rails::Railtie
+        SERIALIZE_FROM_SESSION = -> ((class_name, data)) do
+          class_name.constantize.new.tap { |user| user.marshal_load(data) }
+        end
+        SERIALIZE_INTO_SESSION = -> (user) do
+          [user.class.name, user.marshal_dump]
+        end
+
         initializer 'warden-github-rails.warden' do |app|
           # When devise is used, it inserts a warden middlware. Multiple warden
           # middlewares do not work properly. Devise allows for a block to be
           # specified that is invoked when its warden middleware is configured.
           # This makes it possible to setup warden-github-rails through devise.
@@ -26,11 +33,11 @@
 
         def setup_scopes(config)
           Rails.scopes.each do |scope, scope_config|
             config.scope_defaults scope, strategies: [:github],
                                          config: scope_config
-            config.serialize_from_session(scope) { |key| Verifier.load(key) }
-            config.serialize_into_session(scope) { |user| Verifier.dump(user) }
+            config.serialize_from_session(scope, &SERIALIZE_FROM_SESSION)
+            config.serialize_into_session(scope, &SERIALIZE_INTO_SESSION)
           end
         end
 
         def setup_failure_app(config)
           config.failure_app = lambda do |env|