public function indexAction()
{
// Rate limit the login form by IP address, with a maximum of 10 requests every 5 minutes
$rateLimit = new Noginn_RateLimit(array('login', $_SERVER['REMOTE_ADDR']), 10, 5);
$form = new Form_Login();
if ($rateLimit->exceeded()) {
// A CAPTCHA is added to the form is the rate limit is exceeded
$form->addCaptcha();
}
if ($this->_request->isPost() && $form->isValid($this->_request->getPost())) {
// Validate the login
$values = $form->getValues();
if ($values['username'] == $this->_username && $values['password'] == $this->_password) {
// Correct login, continue
$this->_helper->redirector('account');
} else {
// Increment request count for failed login attempts
$rateLimit->increment();
}
}
$form->setAction($this->_helper->url->url());
$this->view->form = $form;
$this->view->rateLimit = $rateLimit;
}
public function testNotExceededOverTime()
{
$rateLimit = new Noginn_RateLimit(array('127.0.0.1', 'action'), 5, 3, $this->_cache);
$cache = $rateLimit->getCache();
$cache->save(1, $rateLimit->getCacheId(time() - 3 * 60));
$cache->save(1, $rateLimit->getCacheId(time() - 2 * 60));
$cache->save(1, $rateLimit->getCacheId(time() - 1 * 60));
$cache->save(2, $rateLimit->getCacheId());
$this->assertFalse($rateLimit->exceeded());
}