/**
* Execute filter
*
* Checks to see if the http auth provided credentials matches a
* user in the database and if not prompts for login information.
*
* @param sfFilterChain $filterChain
*/
public function execute($filterChain)
{
if (!isset($_SERVER['PHP_AUTH_USER'])) {
$this->sendHeadersAndExit();
}
// Attempt to sign in the user via http auth.
$form = new sfGuardFormSignin(null, array(), false);
$form->bind(array('username' => $_SERVER['PHP_AUTH_USER'], 'password' => $_SERVER['PHP_AUTH_PW']));
if (!$form->isValid()) {
$this->sendHeadersAndExit();
}
// Sign in the current user using the values returned from the form.
$this->getContext()->getUser()->signIn($form->getValue('user'));
parent::execute($filterChain);
}