Fix for Sidkiq::Web's lack of CSRF token

sidekiq_csrf_token_fix.rb

require 'securerandom'

module Sidekiq
  class CsrfTokenFix
    def initialize(app)
      @app = app
    end

    def call(env)
      request = Rack::Request.new(env)
      request.session[:csrf] ||= SecureRandom.base64(32)
      @app.call(env)
    end
  end
end