1 files changed, 38 insertions, 0 deletions
diff --git a/users/app/controllers/controller_extension/authentication.rb b/users/app/controllers/controller_extension/authentication.rb
new file mode 100644
index 0000000..6ac7a5b
--- /dev/null
+++ b/users/app/controllers/controller_extension/authentication.rb
@@ -0,0 +1,38 @@
+module ControllerExtension::Authentication
+  extend ActiveSupport::Concern
+
+  private
+
+  included do
+    helper_method :current_user, :logged_in?, :admin?
+  end
+
+  def authentication_errors
+    return unless errors = warden.winning_strategy.try(:message)
+    errors.inject({}) do |translated,err|
+      translated[err.first] = I18n.t(err.last)
+      translated
+    end
+  end
+
+  def logged_in?
+    !!current_user
+  end
+
+  def authorize
+    access_denied unless logged_in?
+  end
+
+  def access_denied
+    redirect_to login_url, :alert => "Not authorized"
+  end
+
+  def admin?
+    current_user && current_user.is_admin?
+  end
+
+  def authorize_admin
+    access_denied unless admin?
+  end
+
+end