PHP question

I have a very basic question - just started using cakephp and i am having trouble getting my index page to render.

I have two pages: 1 is the index page and one is the expiration page. I have a date set, and if the current date does not exceed the $expiration_date, the index page is supposed to render. I keep getting a 404 error - am I doing anything obviously wrong?

<?php

class ftaf2Controller extends AppController {
	/**
	 * @access	public
	 * @var		string
	 */
	public $name = 'ftaf2';

	/**
	 * @access	public
	 * @var		array
	 */
	public $uses = array(
		'Coupon'
	);
	
	/**
	 * @access	public
	 * @var		array
	 */
	public $components = array(
        'Session',
		'EmailDeployment'
	);

	/**
	 * beforeFilter callback
	 *
	 * @since	0.3
	 * @access  public
	 * @return  void
	 */
	public function beforeFilter() {

		$expiration_date = '2011-12-06 00:00:00';

		if (date('Y-m-d H:i:s') > $expiration_date) {
			$this->render('expired');
			exit;
		}

 public function index() {
		 } 
	
	}

?>

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