307 lines
8.6 KiB
PHP
307 lines
8.6 KiB
PHP
<?php
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namespace Friendica\Module;
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use Friendica\BaseModule;
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use Friendica\Core\Addon;
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use Friendica\Core\Config;
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use Friendica\Database\DBM;
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use Friendica\Model\User;
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use dba;
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require_once 'boot.php';
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require_once 'include/datetime.php';
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require_once 'include/pgettext.php';
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require_once 'include/security.php';
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require_once 'include/text.php';
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/**
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* Login module
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*
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* @author Hypolite Petovan mrpetovan@gmail.com
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*/
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class Login extends BaseModule
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{
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public static function content()
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{
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$a = self::getApp();
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if (x($_SESSION, 'theme')) {
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unset($_SESSION['theme']);
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}
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if (x($_SESSION, 'mobile-theme')) {
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unset($_SESSION['mobile-theme']);
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}
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if (local_user()) {
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goaway(self::getApp()->get_baseurl());
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}
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return self::form(self::getApp()->get_baseurl(), $a->config['register_policy'] != REGISTER_CLOSED);
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}
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public static function post()
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{
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session_unset();
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// OpenId Login
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if (
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!x($_POST, 'password')
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&& (
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x($_POST, 'openid_url')
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|| x($_POST, 'username')
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)
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) {
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$noid = Config::get('system', 'no_openid');
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$openid_url = trim($_POST['openid_url'] ? : $_POST['username']);
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// if it's an email address or doesn't resolve to a URL, fail.
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if ($noid || strpos($openid_url, '@') || !validate_url($openid_url)) {
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notice(t('Login failed.') . EOL);
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goaway(self::getApp()->get_baseurl());
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// NOTREACHED
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}
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// Otherwise it's probably an openid.
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try {
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require_once 'library/openid.php';
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$openid = new \LightOpenID;
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$openid->identity = $openid_url;
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$_SESSION['openid'] = $openid_url;
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$_SESSION['remember'] = $_POST['remember'];
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$openid->returnUrl = self::getApp()->get_baseurl(true) . '/openid';
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goaway($openid->authUrl());
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} catch (Exception $e) {
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notice(t('We encountered a problem while logging in with the OpenID you provided. Please check the correct spelling of the ID.') . '<br /><br >' . t('The error message was:') . ' ' . $e->getMessage());
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}
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// NOTREACHED
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}
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if (x($_POST, 'auth-params') && $_POST['auth-params'] === 'login') {
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$record = null;
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$addon_auth = [
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'username' => trim($_POST['username']),
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'password' => trim($_POST['password']),
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'authenticated' => 0,
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'user_record' => null
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];
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/*
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* An addon indicates successful login by setting 'authenticated' to non-zero value and returning a user record
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* Addons should never set 'authenticated' except to indicate success - as hooks may be chained
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* and later addons should not interfere with an earlier one that succeeded.
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*/
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Addon::callHooks('authenticate', $addon_auth);
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if ($addon_auth['authenticated'] && count($addon_auth['user_record'])) {
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$record = $addon_auth['user_record'];
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} else {
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$user_id = User::authenticate(trim($_POST['username']), trim($_POST['password']));
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if ($user_id) {
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$record = dba::selectFirst('user', [], ['uid' => $user_id]);
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}
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}
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if (!$record || !count($record)) {
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logger('authenticate: failed login attempt: ' . notags(trim($_POST['username'])) . ' from IP ' . $_SERVER['REMOTE_ADDR']);
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notice(t('Login failed.') . EOL);
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goaway(self::getApp()->get_baseurl());
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}
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if (!$_POST['remember']) {
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new_cookie(0); // 0 means delete on browser exit
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}
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// if we haven't failed up this point, log them in.
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$_SESSION['remember'] = $_POST['remember'];
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$_SESSION['last_login_date'] = datetime_convert('UTC', 'UTC');
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authenticate_success($record, true, true);
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if (x($_SESSION, 'return_url')) {
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$return_url = $_SESSION['return_url'];
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unset($_SESSION['return_url']);
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} else {
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$return_url = '';
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}
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goaway($return_url);
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}
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}
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/**
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* @brief Tries to auth the user from the cookie or session
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*
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* @todo Should be moved to Friendica\Core\Session when it's created
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*/
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public static function sessionAuth()
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{
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// When the "Friendica" cookie is set, take the value to authenticate and renew the cookie.
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if (isset($_COOKIE["Friendica"])) {
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$data = json_decode($_COOKIE["Friendica"]);
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if (isset($data->uid)) {
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$user = dba::selectFirst('user', [],
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[
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'uid' => $data->uid,
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'blocked' => false,
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'account_expired' => false,
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'account_removed' => false,
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'verified' => true,
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]
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);
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if (DBM::is_result($user)) {
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if ($data->hash != cookie_hash($user)) {
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logger("Hash for user " . $data->uid . " doesn't fit.");
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nuke_session();
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goaway(self::getApp()->get_baseurl());
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}
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// Renew the cookie
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// Expires after 7 days by default,
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// can be set via system.auth_cookie_lifetime
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$authcookiedays = Config::get('system', 'auth_cookie_lifetime', 7);
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new_cookie($authcookiedays * 24 * 60 * 60, $user);
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// Do the authentification if not done by now
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if (!isset($_SESSION) || !isset($_SESSION['authenticated'])) {
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authenticate_success($user);
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if (Config::get('system', 'paranoia')) {
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$_SESSION['addr'] = $data->ip;
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}
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}
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}
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}
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}
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if (isset($_SESSION) && x($_SESSION, 'authenticated')) {
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if (x($_SESSION, 'visitor_id') && !x($_SESSION, 'uid')) {
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$r = q("SELECT * FROM `contact` WHERE `id` = %d LIMIT 1",
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intval($_SESSION['visitor_id'])
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);
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if (DBM::is_result($r)) {
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self::getApp()->contact = $r[0];
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}
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}
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if (x($_SESSION, 'uid')) {
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// already logged in user returning
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$check = Config::get('system', 'paranoia');
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// extra paranoia - if the IP changed, log them out
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if ($check && ($_SESSION['addr'] != $_SERVER['REMOTE_ADDR'])) {
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logger('Session address changed. Paranoid setting in effect, blocking session. ' .
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$_SESSION['addr'] . ' != ' . $_SERVER['REMOTE_ADDR']);
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nuke_session();
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goaway(self::getApp()->get_baseurl());
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}
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$user = dba::selectFirst('user', [],
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[
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'uid' => $_SESSION['uid'],
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'blocked' => false,
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'account_expired' => false,
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'account_removed' => false,
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'verified' => true,
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]
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);
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if (!DBM::is_result($user)) {
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nuke_session();
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goaway(self::getApp()->get_baseurl());
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}
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// Make sure to refresh the last login time for the user if the user
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// stays logged in for a long time, e.g. with "Remember Me"
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$login_refresh = false;
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if (!x($_SESSION['last_login_date'])) {
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$_SESSION['last_login_date'] = datetime_convert('UTC', 'UTC');
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}
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if (strcmp(datetime_convert('UTC', 'UTC', 'now - 12 hours'), $_SESSION['last_login_date']) > 0) {
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$_SESSION['last_login_date'] = datetime_convert('UTC', 'UTC');
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$login_refresh = true;
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}
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authenticate_success($user, false, false, $login_refresh);
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}
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}
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}
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/**
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* @brief Wrapper for adding a login box.
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*
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* @param string $return_url The url relative to the base the user should be sent
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* back to after login completes
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* @param bool $register If $register == true provide a registration link.
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* This will most always depend on the value of $a->config['register_policy'].
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* @param array $hiddens optional
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*
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* @return string Returns the complete html for inserting into the page
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*
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* @hooks 'login_hook' string $o
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*/
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public static function form($return_url = null, $register = false, $hiddens = [])
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{
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$a = self::getApp();
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$o = '';
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$reg = false;
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if ($register) {
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$reg = [
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'title' => t('Create a New Account'),
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'desc' => t('Register')
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];
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}
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$noid = Config::get('system', 'no_openid');
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if (is_null($return_url)) {
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$return_url = $a->query_string;
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}
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if (local_user()) {
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$tpl = get_markup_template('logout.tpl');
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} else {
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$a->page['htmlhead'] .= replace_macros(
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get_markup_template('login_head.tpl'),
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[
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'$baseurl' => $a->get_baseurl(true)
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]
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);
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$tpl = get_markup_template('login.tpl');
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$_SESSION['return_url'] = $return_url;
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}
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$o .= replace_macros(
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$tpl,
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[
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'$dest_url' => self::getApp()->get_baseurl(true) . '/login',
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'$logout' => t('Logout'),
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'$login' => t('Login'),
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'$lname' => ['username', t('Nickname or Email: ') , '', ''],
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'$lpassword' => ['password', t('Password: '), '', ''],
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'$lremember' => ['remember', t('Remember me'), 0, ''],
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'$openid' => !$noid,
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'$lopenid' => ['openid_url', t('Or login using OpenID: '),'',''],
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'$hiddens' => $hiddens,
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'$register' => $reg,
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'$lostpass' => t('Forgot your password?'),
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'$lostlink' => t('Password Reset'),
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'$tostitle' => t('Website Terms of Service'),
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'$toslink' => t('terms of service'),
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'$privacytitle' => t('Website Privacy Policy'),
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'$privacylink' => t('privacy policy'),
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]
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);
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Addon::callHooks('login_hook', $o);
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return $o;
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}
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}
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