public function usernameExists()
{
if (isset($_GET['username'])) {
$response = array("exists" => false);
$username = $_GET['username'];
if ($_GET['username'] != '' && \CODOF\User\User::usernameExists($username)) {
$response['exists'] = true;
}
echo json_encode($response);
}
}
/**
* Constraints defined for username
* @param type $username
*/
public function username($username)
{
$username_len = strlen($username);
$min_username_len = \CODOF\Util::get_opt('register_username_min');
$errors = array();
if ($username_len < $min_username_len) {
$errors[] = _t("username cannot be less than {$min_username_len} characters!");
}
if (preg_match('/^[A-Za-z0-9_-]+$/', $username) === 0) {
$errors[] = _t("username can have only letters digits and underscores");
}
if (\CODOF\User\User::usernameExists($username)) {
$errors[] = _t("user already exists");
}
$this->errors = array_merge($errors, $this->errors);
if (empty($errors)) {
\CODOF\Hook::call('on_username_ok');
return TRUE;
//passed
}
\CODOF\Hook::call('on_username_fail');
return FALSE;
//Fail
}
$secret = CODOF\Util::get_opt('sso_secret');
if (!empty($user)) {
unset($user['token']);
$sso_token = md5(urlencode(json_encode($user)) . $secret . $_POST['timestamp']);
}
$username = $user['name'];
$mail = $user['mail'];
if ($sso_token != $posted_token) {
echo 'error';
exit;
}
$db = DB::getPDO();
if (!CODOF\User\User::mailExists($mail)) {
//this user does not have an account in codoforum
$reg = new \CODOF\User\Register($db);
if (\CODOF\User\User::usernameExists($username)) {
$username .= time();
}
$reg->username = $username;
$reg->name = $username;
$reg->mail = $mail;
$reg->user_status = 1;
$ret = $reg->register_user();
$reg->login();
if (!empty($ret)) {
echo "error";
}
} else {
CODOF\User\User::loginByMail($mail);
}
}