function init()
{
global $CFG;
if (elgg_is_logged_in()) {
setLoggedInUser(normaliseUsername($_SESSION['user']->username));
} else {
setLoggedInUser(null);
}
}
/**
* Log in a user and potentially continue the requested identity approval
*/
function action_login()
{
$method = $_SERVER['REQUEST_METHOD'];
switch ($method) {
case 'GET':
return login_render();
case 'POST':
$info = getRequestInfo();
$fields = $_POST;
if (isset($fields['cancel'])) {
return authCancel($info);
}
list($errors, $openid_url) = login_checkInput($fields);
if (count($errors) || !$openid_url) {
$needed = $info ? $info->identity : false;
return login_render($errors, @$fields['openid_url'], $needed);
} else {
setLoggedInUser($openid_url);
return doAuth($info);
}
default:
return login_render(array('Unsupported HTTP method: $method'));
}
}