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<?php
/**
* Elgg login action
*
* @package Elgg.Core
* @subpackage User.Authentication
*/
// set forward url
if (!empty($_SESSION['last_forward_from'])) {
$forward_url = $_SESSION['last_forward_from'];
unset($_SESSION['last_forward_from']);
} elseif (get_input('returntoreferer')) {
$forward_url = REFERER;
} else {
// forward to main index page
$forward_url = '';
}
$username = get_input('username');
$password = get_input('password', null, false);
$persistent = (bool) get_input("persistent");
$result = false;
if (empty($username) || empty($password)) {
register_error(elgg_echo('login:empty'));
forward();
}
// check if logging in with email address
if (strpos($username, '@') !== false && ($users = get_user_by_email($username))) {
$username = $users[0]->username;
}
$result = elgg_authenticate($username, $password);
if ($result !== true) {
register_error($result);
forward(REFERER);
}
$user = get_user_by_username($username);
if (!$user) {
register_error(elgg_echo('login:baduser'));
forward(REFERER);
}
try {
login($user, $persistent);
// re-register at least the core language file for users with language other than site default
register_translations(dirname(dirname(__FILE__)) . "/languages/");
} catch (LoginException $e) {
register_error($e->getMessage());
forward(REFERER);
}
// elgg_echo() caches the language and does not provide a way to change the language.
// @todo we need to use the config object to store this so that the current language
// can be changed. Refs #4171
if ($user->language) {
$message = elgg_echo('loginok', array(), $user->language);
} else {
$message = elgg_echo('loginok');
}
system_message($message);
forward($forward_url);
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