Application wide token/secret

linked.rb

module LinkedSecrets
  class << self
    def token
      "XXXX"
    end
    def secret
      "YYYY"
    end
  end
end

WwdMongo::Application.config.linkedin.token = LinkedSecrets.token
# assuming the following line based on what you pasted on IRC :-)
WwdMongo::Application.config.linkedin.secret = LinkedSecrets.secret

# You should be able to refer to LinkedSecrets.token and LinkedSecrets.secret wherever else you need to throughout your application.