app/controllers/application_controller.rb
class ApplicationController < ActionController::Base
# Prevent CSRF attacks by raising an exception.
# For APIs, you may want to use :null_session instead.
protect_from_forgery with: :exception
include SessionsHelper
before_action :set_raven_context
private
def set_raven_context
Raven.user_context(id: session[:current_user_id]) # or anything else in session
Raven.extra_context(params: params.to_unsafe_h, url: request.url)
end
end