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--
-- Tabellenstruktur für Tabelle `user`
--
 
CREATE TABLE IF NOT EXISTS `user` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `username` varchar(45) NOT NULL,
  `password` varchar(45) NOT NULL,
  `firstname` varchar(45) NOT NULL,
  `lastname` varchar(45) NOT NULL,
  `email` varchar(45) NOT NULL,
  `active` tinyint(4) DEFAULT '0',
  PRIMARY KEY (`id`),
  UNIQUE KEY `email` (`email`),
) ENGINE=InnoDB  DEFAULT CHARSET=utf-8;

// application/modules/user/form/Login.php
class User_Form_Login extends Zend_Form
{
    public function init()
    {
        // diese Felder kann man auch über Zend_Config realisieren
 
 
        $this->setAction('/user/authentication/login');
        $this->setName('loginform');
        $this->setMethod('post');
 
 
        $username = new Zend_Form_Element_Text('username');
        $username->setLabel('Benutzername');
        $username->setRequired();
 
 
        $password = new Zend_Form_Element_Password('password');
        $password->setLabel('Passwort');
        $password->setRequired();
 
        $submit = new Zend_Form_Element_Submit('submit');
        $submit->setLabel('Anmelden');
 
        $this->addElements(array($username, $password, $submit));
    }
}

<?php // application/modules/user/views/scripts/authentication/login.phtml ?>
<h1>Login</h1>
<?= $this->form->render(); ?>

// application/modules/user/controller/Authentication.php
class User_AuthenticationController extends Zend_Controller_Action
{
    public function init()
    {
        /* Initialize action controller here */
    }
 
    public function indexAction()
    {
        // action body
    }
 
    public function loginAction()
    {
        // schon eingeloggt?
        if (Zend_Auth::getInstance()->hasIdentity()) {
            $this->_redirect('/');
        }
 
        $form = new User_Form_Login();
        $this->view->form = $form;
 
        if ($this->getRequest()->isPost()) {
            $formData = $this->getRequest()->getPost();
 
            if ($form->isValid($formData)) {
 
                $authAdapter = $this->getAuthAdapter();
                $authAdapter->setIdentity($form->getValue('username'));
                $authAdapter->setCredential($form->getValue('password'));
 
                $auth = Zend_Auth::getInstance();
                $res = $auth->authenticate($authAdapter);
 
                if ($res->isValid()) {
                    $identity = $authAdapter->getResultRowObject();
                    $authStorage = $auth->getStorage();
                    $authStorage->write($identity);
 
                    // ...
 
                } else {
                    // ...
                }
            } else {
                $form->populate($formData);
            }
        }
 
 
 
 
    }
 
    public function logoutAction()
    {
        // action body
        Zend_Auth::getInstance()->clearIdentity();
        $this->_redirect('/');
    }
 
    /**
     * Liefert den AuthAdapter
     *
     * @return Zend_Auth_Adapter_DbTable
     */
    private function getAuthAdapter()
    {
        return new Zend_Auth_Adapter_DbTable(
            Zend_Db_Table::getDefaultAdapter(),
            'user',
            'username',
            'password'
        );
    }
}

    /**
     * Liefert den AuthAdapter
     *
     * @return Zend_Auth_Adapter_DbTable
     */
    private function getAuthAdapter()
    {
        return new Zend_Auth_Adapter_DbTable(
            Zend_Db_Table::getDefaultAdapter(),
            'user',
            'username',
            'password',
            'SHA1(?) AND active=1'  // hier kann man den credentialColumn-Parameter anpassen
        );
    }