function do_login()
{
$aExtra = array();
$oUser =& KTInterceptorRegistry::checkInterceptorsForAuthenticated();
if (is_a($oUser, 'User')) {
$res = $this->performLogin($oUser);
if ($res) {
$oUser = array($res);
}
}
if (is_array($oUser)) {
foreach ($oUser as $oError) {
if (is_a($oError, 'KTNoLocalUser')) {
$aExtra = kt_array_merge($aExtra, $oError->aExtra);
}
}
}
KTInterceptorRegistry::checkInterceptorsForTakeOver();
$this->check();
global $default;
$language = KTUtil::arrayGet($_REQUEST, 'language');
if (empty($language)) {
$language = $default->defaultLanguage;
}
setcookie("kt_language", $language, 2147483647, '/');
$redirect = strip_tags(KTUtil::arrayGet($_REQUEST, 'redirect'));
$url = $_SERVER["PHP_SELF"];
$queryParams = array();
if (!empty($redirect)) {
$queryParams[] = 'redirect=' . urlencode($redirect);
}
$username = KTUtil::arrayGet($_REQUEST, 'username');
$password = KTUtil::arrayGet($_REQUEST, 'password');
if (empty($username)) {
$this->simpleRedirectToMain(_kt('Please enter your username.'), $url, $queryParams);
}
$oUser =& User::getByUsername($username);
if (PEAR::isError($oUser) || $oUser === false) {
if (is_a($oUser, 'ktentitynoobjects')) {
$this->handleUserDoesNotExist($username, $password, $aExtra);
}
$this->simpleRedirectToMain(_kt('Login failed. Please check your username and password, and try again.'), $url, $queryParams);
exit(0);
}
if (empty($password)) {
$this->simpleRedirectToMain(_kt('Please enter your password.'), $url, $queryParams);
}
$authenticated = KTAuthenticationUtil::checkPassword($oUser, $password);
if (PEAR::isError($authenticated)) {
$this->simpleRedirectToMain(_kt('Authentication failure. Please try again.'), $url, $queryParams);
exit(0);
}
if ($authenticated !== true) {
$this->simpleRedirectToMain(_kt('Login failed. Please check your username and password, and try again.'), $url, $queryParams);
exit(0);
}
$res = $this->performLogin($oUser);
if ($res) {
$this->simpleRedirectToMain($res->getMessage(), $url, $queryParams);
exit(0);
}
}
