static function authenticator($context = 'gb-admin')
{
if (self::$_authenticators === null) {
self::$_authenticators = array();
} elseif (isset(self::$_authenticators[$context])) {
return self::$_authenticators[$context];
}
$users = array();
foreach (GBUser::find() as $email => $account) {
# only include actual users
if (strpos($email, '@') !== false) {
$users[$email] = $account->passhash;
}
}
$chap = new CHAP($users, $context);
self::$_authenticators[$context] = $chap;
return $chap;
}