extranet/application/controllers/UserController.php

<?php
require_once 'Web/forms/login.php';
require_once 'Web/WebAuthAdapter.php';

class UserController extends Zend_Controller_Action {

	public function init()
	{
		$activeNav = $this->view->navigation();
		$activeNav->removePages();
	}

	public function indexAction()
	{

	}

	public function loginAction()
    {
    	$this->view->headTitle()->append('Connexion');
    	$form = new Form_Login();
    	$this->view->form = $form;
    	$request = $this->getRequest();
    	if ($request->isPost()) {
    		$formData = $request->getPost ();
    		if ($form->isValid($formData)) {
    			$login = $form->getValue('login');
    			$pass = $form->getValue('pass');

    			$auth = Zend_Auth::getInstance();
    			$authAdapter = new WebAuthAdapter($login, $pass);
    			$result = $auth->authenticate($authAdapter);
    			if (!$result->isValid()){
    				$this->view->message = '';
    				foreach ($result->getMessages() as $message) {
    					$this->view->message.= $message."<br/>";
    				}
    			} else {
    				$this->_redirect('/');
      			}
    		}
    	}
    }

    public function logoutAction(){
    	Zend_Auth::getInstance()->clearIdentity();
    }

}