class Warden::Strategies::Base

def success!(user, message = nil)

:api: public

user - The user object to login. This object can be anything you have setup to serialize in and out of the session
Parameters:

It is the "login" method
This will halt the strategy, and set the user in the appropriate scope.
Whenever you want to provide a user object as "authenticated" use the +success!+ method. 
def success!(user, message = nil)
  halt!
  @user = user
  @message = message
  @result = :success
end