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users.php
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users.php
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<?php
/* Reminder: always indent with 4 spaces (no tabs). */
// +---------------------------------------------------------------------------+
// | Geeklog 2.2 |
// +---------------------------------------------------------------------------+
// | users.php |
// | |
// | User authentication module. |
// +---------------------------------------------------------------------------+
// | Copyright (C) 2000-2017 by the following authors: |
// | |
// | Authors: Tony Bibbs - tony AT tonybibbs DOT com |
// | Mark Limburg - mlimburg AT users DOT sourceforge DOT net |
// | Jason Whittenburg - jwhitten AT securitygeeks DOT com |
// | Dirk Haun - dirk AT haun-online DOT de |
// +---------------------------------------------------------------------------+
// | |
// | This program is free software; you can redistribute it and/or |
// | modify it under the terms of the GNU General Public License |
// | as published by the Free Software Foundation; either version 2 |
// | of the License, or (at your option) any later version. |
// | |
// | This program is distributed in the hope that it will be useful, |
// | but WITHOUT ANY WARRANTY; without even the implied warranty of |
// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
// | GNU General Public License for more details. |
// | |
// | You should have received a copy of the GNU General Public License |
// | along with this program; if not, write to the Free Software Foundation, |
// | Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
// | |
// +---------------------------------------------------------------------------+
/**
* This file handles user authentication
*
* @author Tony Bibbs <tony@tonybibbs.com>
* @author Mark Limburg <mlimburg@users.sourceforge.net>
* @author Jason Whittenburg
*/
/**
* Geeklog common function library
*/
require_once 'lib-common.php';
require_once $_CONF['path_system'] . 'lib-user.php';
$USER_VERBOSE = COM_isEnableDeveloperModeLog('user');
// Uncomment the line below if you need to debug the HTTP variables being passed
// to the script. This will sometimes cause errors but it will allow you to see
// the data being passed in a POST operation
// echo COM_debug($_POST);
/**
* Emails password to a user
* This will email the given user their password.
*
* @param string $username Username for which to get and email password
* @param int $msg Message number of message to show when done
* @return string Optionally returns the HTML for the default form if the user info can't be found
*/
function USER_emailPassword($username, $msg = 0)
{
global $_CONF, $_TABLES, $LANG04;
$retval = '';
$username = DB_escapeString($username);
// don't retrieve any remote users!
$result = DB_query("SELECT uid,email,status FROM {$_TABLES['users']} WHERE username = '$username' AND ((remoteservice is null) OR (remoteservice = ''))");
$nrows = DB_numRows($result);
if ($nrows == 1) {
$A = DB_fetchArray($result);
if (($_CONF['usersubmission'] == 1) && ($A['status'] == USER_ACCOUNT_AWAITING_APPROVAL)) {
COM_redirect($_CONF['site_url'] . '/index.php?msg=48');
}
$mailresult = USER_createAndSendPassword($username, $A['email'], $A['uid']);
if ($mailresult == false) {
COM_redirect("{$_CONF['site_url']}/index.php?msg=85");
} elseif ($msg) {
COM_redirect("{$_CONF['site_url']}/index.php?msg=$msg");
} else {
COM_redirect("{$_CONF['site_url']}/index.php?msg=1");
}
} else {
$retval = COM_createHTMLDocument(USER_defaultForm($LANG04[17]), array('pagetitle' => $LANG04[17]));
}
return $retval;
}
/**
* User request for a new password - send email with a link and request id
*
* @param string $username name of user who requested the new password
* @return string form or meta redirect
*/
function USER_requestPassword($username)
{
global $_CONF, $_TABLES, $LANG04;
$retval = '';
// no remote users!
$result = DB_query("SELECT uid,email,passwd,status FROM {$_TABLES['users']} WHERE username = '$username' AND ((remoteservice IS NULL) OR (remoteservice=''))");
$numRows = DB_numRows($result);
if ($numRows == 1) {
$A = DB_fetchArray($result);
if (($_CONF['usersubmission'] == 1) && ($A['status'] == USER_ACCOUNT_AWAITING_APPROVAL)) {
COM_redirect($_CONF['site_url'] . '/index.php?msg=48');
} elseif (($_CONF['usersubmission'] == 0) && ($A['status'] != USER_ACCOUNT_ACTIVE || $A['status'] != USER_ACCOUNT_AWAITING_APPROVAL)) {
// Don't send password for these accounts with statuses of Locked, Disabled, New Email, New Password
COM_redirect($_CONF['site_url'] . '/index.php?msg=47');
}
$reqid = substr(md5(uniqid(rand(), 1)), 1, 16);
DB_change($_TABLES['users'], 'pwrequestid', "$reqid",
'uid', $A['uid']);
$mailtext = sprintf($LANG04[88], $username);
$mailtext .= $_CONF['site_url'] . '/users.php?mode=newpwd&uid=' . $A['uid'] . '&rid=' . $reqid . "\n\n";
$mailtext .= $LANG04[89];
$mailtext .= "{$_CONF['site_name']}\n";
$mailtext .= "{$_CONF['site_url']}\n";
$subject = $_CONF['site_name'] . ': ' . $LANG04[16];
if ($_CONF['site_mail'] !== $_CONF['noreply_mail']) {
$mailfrom = $_CONF['noreply_mail'];
$mailtext .= LB . LB . $LANG04[159];
} else {
$mailfrom = $_CONF['site_mail'];
}
if (COM_mail($A['email'], $subject, $mailtext, $mailfrom)) {
$msg = 55; // message sent
} else {
$msg = 85; // problem sending the email
}
$redirect = $_CONF['site_url'] . "/index.php?msg=$msg";
COM_updateSpeedlimit('password');
COM_redirect($redirect);
} else {
$retval = COM_createHTMLDocument(USER_defaultForm($LANG04[17]), array('pagetitle' => $LANG04[17]));
}
return $retval;
}
/**
* Display a form where the user can enter a new password.
*
* @param int $uid user id
* @param string $requestId request id for password change
* @return string new password form
*/
function USER_newPasswordForm($uid, $requestId = "")
{
global $_CONF, $_TABLES, $LANG04;
$passwordForm = COM_newTemplate($_CONF['path_layout'] . 'users');
$passwordForm->set_file(array('newpw' => 'newpassword.thtml'));
$passwordForm->set_var('user_id', $uid);
$passwordForm->set_var('user_name', DB_getItem($_TABLES['users'], 'username', "uid = '{$uid}'"));
if (!empty($requestId)) {
// Used for form if User requests to set a new password
$passwordForm->set_var('request_id', $requestId);
$passwordForm->set_var('lang_explain', $LANG04[90]);
$passwordForm->set_var('mode', 'setnewpwd');
} else {
// Used for form if User status is set to require a new password on next login
$passwordForm->set_var('lang_explain', $LANG04['desc_new_pwd_status']);
$passwordForm->set_var('mode', 'setnewpwdstatus');
}
$passwordForm->set_var('lang_username', $LANG04[2]);
$passwordForm->set_var('lang_newpassword', $LANG04[4]);
$passwordForm->set_var('lang_newpassword_conf', $LANG04[108]);
$passwordForm->set_var('lang_setnewpwd', $LANG04[91]);
$retval = COM_startBlock($LANG04[92])
. $passwordForm->finish($passwordForm->parse('output', 'newpw'))
. COM_endBlock();
return $retval;
}
/**
* Creates a user
* Creates a user with the give username and email address
*
* @param string $username username to create user for
* @param string $email email address to assign to user
* @param string $email_conf confirmation email address check
* @return string HTML for the form again if error occurs, otherwise nothing.
*/
function USER_createUser($username, $email, $email_conf)
{
global $_CONF, $_TABLES, $LANG01, $LANG04;
$retval = '';
$username = trim($username);
$email = trim($email);
$email_conf = trim($email_conf);
if (!isset($_CONF['disallow_domains'])) {
$_CONF['disallow_domains'] = '';
}
if (COM_isEmail($email) && !empty($username) && ($email === $email_conf)
&& !USER_emailMatches($email, $_CONF['disallow_domains'])
&& (strlen($username) <= 16)
) {
$ucount = DB_count($_TABLES['users'], 'username', DB_escapeString($username));
$ecount = DB_count($_TABLES['users'], 'email', DB_escapeString($email));
if (($ucount == 0) && ($ecount == 0)) {
// For Geeklog, it would be okay to create this user now. But check
// with a custom userform first, if one exists.
if ($_CONF['custom_registration'] &&
function_exists('CUSTOM_userCheck')
) {
$ret = CUSTOM_userCheck($username, $email);
if (!empty($ret)) {
// no, it's not okay with the custom userform
$retval = COM_createHTMLDocument(CUSTOM_userForm($ret['string']));
return $retval;
}
}
// Let plugins have a chance to decide what to do before creating the user, return errors.
$msg = PLG_itemPreSave('registration', $username);
if (!empty($msg)) {
if ($_CONF['custom_registration'] && function_exists('CUSTOM_userForm')) {
$retval .= CUSTOM_userForm($msg);
} else {
$retval .= USER_newUserForm($msg);
}
$retval = COM_createHTMLDocument($retval, array('pagetitle' => $LANG04[22]));
return $retval;
}
$uid = USER_createAccount($username, $email);
if ($_CONF['usersubmission'] == 1) {
if (DB_getItem($_TABLES['users'], 'status', "uid = $uid")
== USER_ACCOUNT_AWAITING_APPROVAL
) {
COM_redirect($_CONF['site_url'] . '/index.php?msg=48');
} else {
$retval = USER_emailPassword($username, 1);
}
} else {
$retval = USER_emailPassword($username, 1);
}
return $retval;
} else {
if ($_CONF['custom_registration'] &&
function_exists('CUSTOM_userForm')
) {
$retval .= CUSTOM_userForm($LANG04[19]);
} else {
$retval .= USER_newUserForm($LANG04[19]);
}
$retval = COM_createHTMLDocument($retval, array('pagetitle' => $LANG04[22]));
}
} elseif ($email !== $email_conf) {
$msg = $LANG04[125];
if ($_CONF['custom_registration'] && function_exists('CUSTOM_userForm')) {
$retval .= CUSTOM_userForm($msg);
} else {
$retval .= USER_newUserForm($msg);
}
$retval = COM_createHTMLDocument($retval, array('pagetitle' => $LANG04[22]));
} else { // invalid username or email address
if ((empty($username)) || (strlen($username) > 16)) {
$msg = $LANG01[32]; // invalid username
} else {
$msg = $LANG04[18]; // invalid email address
}
if ($_CONF['custom_registration'] && function_exists('CUSTOM_userForm')) {
$retval .= CUSTOM_userForm($msg);
} else {
$retval .= USER_newUserForm($msg);
}
$retval = COM_createHTMLDocument($retval, array('pagetitle' => $LANG04[22]));
}
return $retval;
}
/**
* Shows the user login form
* after failed attempts to either login or access a page requiring login.
*
* @param boolean $hide_forgotpw_link whether to hide "forgot password?" link
* @param int $userStatus status of the user's account
* @return string HTML for login form
*/
function USER_loginForm($hide_forgotpw_link = false, $userStatus = -1)
{
global $LANG04;
$cfg = array(
'hide_forgotpw_link' => $hide_forgotpw_link,
);
if ($userStatus == USER_ACCOUNT_DISABLED) {
$cfg['title'] = $LANG04[114];
$cfg['message'] = $LANG04[115];
$cfg['hide_forgotpw_link'] = true;
$cfg['no_newreg_link'] = true;
} elseif ($userStatus == USER_ACCOUNT_AWAITING_APPROVAL) {
$cfg['title'] = $LANG04[116];
$cfg['message'] = $LANG04[117];
$cfg['hide_forgotpw_link'] = true;
$cfg['no_newreg_link'] = true;
} elseif ($userStatus == -2) { // No error user just visited page to login
$cfg['title'] = $LANG04['user_login'];
$cfg['message'] = $LANG04['user_login_message'];
} else { // Status should be -1 which is login error
$cfg['title'] = $LANG04[65];
$cfg['message'] = $LANG04[66];
}
return SEC_loginForm($cfg);
}
/**
* Shows the user registration form
*
* @param int $msg message number to show
* @return string HTML for user registration page
*/
function USER_newUserForm($msg = 0)
{
global $_CONF, $LANG04;
$retval = '';
if (!empty($msg)) {
$retval .= COM_showMessageText($msg, $LANG04[21]);
}
$user_templates = COM_newTemplate($_CONF['path_layout'] . 'users');
$user_templates->set_file('regform', 'registrationform.thtml');
$user_templates->set_var('start_block', COM_startBlock($LANG04[22]));
$user_templates->set_var('lang_instructions', $LANG04[23]);
$user_templates->set_var('lang_username', $LANG04[2]);
$user_templates->set_var('lang_email', $LANG04[5]);
$user_templates->set_var('lang_email_conf', $LANG04[124]);
$user_templates->set_var('lang_warning', $LANG04[24]);
$user_templates->set_var('lang_register', $LANG04[27]);
PLG_templateSetVars('registration', $user_templates);
$user_templates->set_var('end_block', COM_endBlock());
$username = Geeklog\Input::fPost('username', '');
$user_templates->set_var('username', $username);
$email = Geeklog\Input::fPost('email', '');
$user_templates->set_var('email', $email);
$email_conf = Geeklog\Input::fPost('email_conf', '');
$user_templates->set_var('email_conf', $email_conf);
$user_templates->parse('output', 'regform');
$retval .= $user_templates->finish($user_templates->get_var('output'));
return $retval;
}
/**
* Shows the password retrieval form
*
* @return string HTML for form used to retrieve user's password
*/
function USER_getPasswordForm()
{
global $_CONF, $LANG04;
$retval = '';
$user_templates = COM_newTemplate($_CONF['path_layout'] . 'users');
$user_templates->set_file('form', 'getpasswordform.thtml');
$user_templates->set_var('start_block_forgetpassword', COM_startBlock($LANG04[25]));
$user_templates->set_var('lang_instructions', $LANG04[26]);
$user_templates->set_var('lang_username', $LANG04[2]);
$user_templates->set_var('lang_email', $LANG04[5]);
$user_templates->set_var('lang_emailpassword', $LANG04[28]);
PLG_templateSetVars('getpassword', $user_templates);
$user_templates->set_var('end_block', COM_endBlock());
$user_templates->parse('output', 'form');
$retval .= $user_templates->finish($user_templates->get_var('output'));
return $retval;
}
/**
* Account does not exist - show both the login and register forms
*
* @param string $msg message to display if one is needed
* @return string HTML for form
*/
function USER_defaultForm($msg)
{
global $_CONF, $LANG04;
$retval = '';
if (!empty($msg)) {
$retval .= COM_showMessageText($msg, $LANG04[21]);
}
$retval .= USER_loginForm(true);
if (!$_CONF['disable_new_user_registration']) {
$retval .= USER_newUserForm();
}
$retval .= USER_getPasswordForm();
return $retval;
}
/**
* Display message after a login error
*
* @param int $msg message number for custom handler
* @param string $message_title title for the message box
* @param string $message_text text of the message box
* @return void function does not return!
*/
function USER_displayLoginErrorAndAbort($msg, $message_title, $message_text)
{
global $_CONF;
if ($_CONF['custom_registration'] && function_exists('CUSTOM_loginErrorHandler')) {
// Typically this will be used if you have a custom main site page
// and need to control the login process
CUSTOM_loginErrorHandler($msg);
} else {
$retval = COM_showMessageText($message_text, $message_title);
$retval = COM_createHTMLDocument($retval, array('pagetitle' => $message_title));
header($_SERVER['SERVER_PROTOCOL'] . ' 403 Forbidden');
header('Status: 403 Forbidden');
echo $retval;
}
// don't return
exit;
}
/**
* Helper function: When magic_quotes_gpc = On, everything in $_GET and $_POST
* has already been auto-escaped. So we need to undo this before re-creating
* the GET or POST request.
* NOTE: Assumes that is only being called when magic_quotes_gpc = On
*
* @param ref $value value to un-escape
* @return mixed un-escaped value or array of values
* @see COM_stripslashes
*/
function stripslashes_gpc_recursive(&$value)
{
if (is_array($value)) {
array_map('stripslashes_gpc_recursive', $value);
} else {
// don't use COM_stripslashes here - no need to check magic_quotes_gpc
$value = stripslashes($value);
}
return $value;
}
/**
* Re-send a request after successful re-authentication
* Re-creates a GET or POST request based on data passed along in a form. Used
* in case of an expired security token so that the user doesn't lose changes.
*/
function USER_resendRequest()
{
global $_CONF;
$method = Geeklog\Input::fPost('token_requestmethod', '');
$returnUrl = Geeklog\Input::post('token_returnurl', '');
if (!empty($returnUrl)) {
$returnUrl = urldecode($returnUrl);
if (substr($returnUrl, 0, strlen($_CONF['site_url'])) !== $_CONF['site_url']) {
// only accept URLs on our site
$returnUrl = '';
}
}
$postData = Geeklog\Input::post('token_postdata', '');
if (!empty($postData)) {
$postData = urldecode($postData);
}
$getData = Geeklog\Input::post('token_getdata', '');
if (!empty($getData)) {
$getData = urldecode($getData);
}
$files = Geeklog\Input::post('token_files', '');
if (!empty($files)) {
$files = urldecode($files);
}
if (SECINT_checkToken() && !empty($method) && !empty($returnUrl) &&
((($method === 'POST') && !empty($postData)) ||
(($method === 'GET') && !empty($getData)))
) {
$magic = get_magic_quotes_gpc();
if ($method === 'POST') {
$req = new HTTP_Request2($returnUrl, HTTP_Request2::METHOD_POST);
$data = unserialize($postData);
foreach ($data as $key => $value) {
if ($key == CSRF_TOKEN) {
$req->addPostParameter($key, SEC_createToken());
} else {
if ($magic) {
$value = stripslashes_gpc_recursive($value);
}
$req->addPostParameter($key, $value);
}
}
if (!empty($files)) {
$files = unserialize($files);
}
if (!empty($files)) {
foreach ($files as $key => $value) {
$req->addPostParameter('_files_' . $key, $value);
}
}
} else {
$data = unserialize($getData);
foreach ($data as $key => &$value) {
if ($key == CSRF_TOKEN) {
$value = SEC_createToken();
} else {
if ($magic) {
$value = stripslashes_gpc_recursive($value);
}
}
}
unset($value);
$returnUrl = $returnUrl . '?' . http_build_query($data);
$req = new HTTP_Request2($returnUrl, HTTP_Request2::METHOD_GET);
}
$req->setHeader('User-Agent', 'Geeklog/' . VERSION);
// need to fake the referrer so the new token matches
$req->setHeader('Referer', COM_getCurrentUrl());
foreach ($_COOKIE as $name => $value) {
$cookie = $name . '=' . $value;
if (preg_match(HTTP_Request2::REGEXP_INVALID_COOKIE, $cookie)) {
COM_errorLog(__FUNCTION__ . " detected invalid cookie: {$cookie}", 1);
} else {
$req->addCookie($name, $value);
}
}
try {
$response = $req->send();
$status = $response->getStatus();
if ($status == 200) {
COM_output($response->getBody());
} else {
throw new HTTP_Request2_Exception('HTTP error: status code = ' . $status);
}
} catch (HTTP_Request2_Exception $e) {
if (!empty($files)) {
SECINT_cleanupFiles($files);
}
trigger_error("Resending $method request failed: " . $e->getMessage());
}
} else {
if (!empty($files)) {
SECINT_cleanupFiles($files);
}
COM_redirect($_CONF['site_url'] . '/index.php');
}
// don't return
exit;
}
/**
* Return a form for two factor authentication
*
* @return string
*/
function USER_getTwoFactorAuthForm()
{
global $_CONF, $_USER, $LANG04;
$T = COM_newTemplate($_CONF['path_layout'] . 'users');
$T->set_file('form', 'twofactorauthform.thtml');
$T->set_var(array(
'start_block_start_block_twofactorauth' => COM_startBlock($LANG04['tfa_two_factor_auth']),
'lang_tfa_enter_code' => sprintf($LANG04['tfa_enter_code'], Geeklog\TwoFactorAuthentication::NUM_DIGITS),
'lang_tfa_code' => $LANG04['tfa_code'],
'lang_tfa_authenticate' => $LANG04['tfa_authenticate'],
'uid' => $_USER['uid'],
'token_name' => CSRF_TOKEN,
'token_value' => SEC_createToken(),
'end_block' => COM_endBlock(),
));
$T->parse('output', 'form');
return $T->finish($T->get_var('output'));
}
/**
* Process after the user is authenticated
*
* @note This function does NOT return
*/
function USER_doLogin()
{
global $_CONF, $_USER, $USER_VERBOSE;
COM_resetSpeedlimit('login');
$sessionId = SESS_newSession($_USER['uid'], $_SERVER['REMOTE_ADDR'], $_CONF['session_cookie_timeout'], $_CONF['cookie_ip']);
SESS_setSessionCookie(
$sessionId, $_CONF['session_cookie_timeout'], $_CONF['cookie_session'], $_CONF['cookie_path'],
$_CONF['cookiedomain'], $_CONF['cookiesecure']
);
PLG_loginUser($_USER['uid']);
// Now that we handled session cookies, handle long-term cookie
if (!isset($_COOKIE[$_CONF['cookie_name']]) || !isset($_COOKIE['cookie_password'])) {
// Either their cookie expired or they are new
$cookTime = COM_getUserCookieTimeout();
if ($USER_VERBOSE) {
COM_errorLog("Trying to set permanent cookie with time of $cookTime", 1);
}
if ($cookTime > 0) {
// They want their cookie to persist for some amount of time so set it now
if ($USER_VERBOSE) {
COM_errorLog('Trying to set permanent cookie', 1);
}
SEC_setCookie($_CONF['cookie_name'], $_USER['uid'], time() + $cookTime);
SEC_setCookie($_CONF['cookie_password'], $_USER['passwd'], time() + $cookTime);
}
} else {
$userId = Geeklog\Input::fCookie($_CONF['cookie_name']);
if (!empty($userId) && ($userId !== 'deleted')) {
$userId = (int) $userId;
if ($userId > 1) {
if ($USER_VERBOSE) {
COM_errorLog('NOW trying to set permanent cookie', 1);
COM_errorLog('Got ' . $userId . ' from perm cookie in users.php', 1);
}
// Create new session
$_USER = SESS_getUserDataFromId($userId);
if ($USER_VERBOSE) {
COM_errorLog('Got ' . $_USER['username'] . ' for the username in user.php', 1);
}
}
}
}
// Now that we have users data see if their theme cookie is set.
// If not set it
if (!empty($_USER['theme'])) {
setcookie(
$_CONF['cookie_theme'], $_USER['theme'], time() + 31536000, $_CONF['cookie_path'],
$_CONF['cookiedomain'], $_CONF['cookiesecure']
);
}
if (!empty($_SERVER['HTTP_REFERER'])
&& (strstr($_SERVER['HTTP_REFERER'], '/users.php') === false)
&& (substr($_SERVER['HTTP_REFERER'], 0,
strlen($_CONF['site_url'])) == $_CONF['site_url'])
) {
$indexMsg = $_CONF['site_url'] . '/index.php?msg=';
if (substr($_SERVER['HTTP_REFERER'], 0, strlen($indexMsg)) == $indexMsg) {
COM_redirect($_CONF['site_url'] . '/index.php');
} else {
// If user is trying to login - force redirect to index.php
if (strstr($_SERVER['HTTP_REFERER'], 'mode=login') === false) {
COM_redirect($_SERVER['HTTP_REFERER']);
} else {
COM_redirect($_CONF['site_url'] . '/index.php');
}
}
}
COM_redirect($_CONF['site_url'] . '/index.php');
}
/**
* Process after the user failed to login
*
* @param string $loginName
* @param string $password
* @param string $service
* @param string $mode
* @param int $status
* @return string
*/
function USER_loginFailed($loginName, $password, $service, $mode, $status)
{
global $_CONF, $LANG04;
$display = '';
// On failed login attempt, update speed limit
if (!empty($loginName) || !empty($password) || !empty($service) || ($mode === 'tokenexpired')) {
COM_updateSpeedlimit('login');
}
$msg = (int) Geeklog\Input::fRequest('msg', 0);
if ($msg > 0) {
$display .= COM_showMessage($msg);
}
switch ($mode) {
case 'create':
// Got bad account info from registration process, show error
// message and display form again
if ($_CONF['custom_registration'] && function_exists('CUSTOM_userForm')) {
$display .= CUSTOM_userForm();
} else {
$display .= USER_newUserForm();
}
break;
case 'tokenexpired':
// check to see if this was the last allowed attempt
if (COM_checkSpeedlimit('login', $_CONF['login_attempts']) > 0) {
$files = Geeklog\Input::post('token_files', '');
if (!empty($files)) {
$files = urldecode($files);
}
if (!empty($files)) {
SECINT_cleanupFiles($files);
}
USER_displayLoginErrorAndAbort(82, $LANG04[163], $LANG04[164]);
} else {
$returnURL = Geeklog\Input::post('token_returnurl', '');
if (!empty($returnURL)) {
$returnURL = urldecode($returnURL);
}
$method = Geeklog\Input::fPost('token_requestmethod', '');
$postData = Geeklog\Input::post('token_postdata', '');
$getData = Geeklog\Input::post('token_getdata', '');
if (!empty($getData)) {
$getData = urldecode($getData);
}
$files = Geeklog\Input::post('token_files', '');
if (!empty($files)) {
$files = urldecode($files);
}
if (SECINT_checkToken() && !empty($method) &&
!empty($returnURL) &&
((($method === 'POST') && !empty($postData)) ||
(($method === 'GET') && !empty($getData)))
) {
$display .= COM_showMessage(81);
$display .= SECINT_authform($returnURL, $method, $postData, $getData, $files);
} else {
if (!empty($files)) {
SECINT_cleanupFiles($files);
}
COM_redirect($_CONF['site_url'] . '/index.php');
}
}
break;
default:
// check to see if this was the last allowed attempt
if (COM_checkSpeedlimit('login', $_CONF['login_attempts']) > 0) {
USER_displayLoginErrorAndAbort(82, $LANG04[113], $LANG04[112]);
} else {
// Show login form
if (($msg != 69) && ($msg != 70)) {
if (COM_isAnonUser()) {
if ($_CONF['custom_registration'] && function_exists('CUSTOM_loginErrorHandler')) {
// Typically this will be used if you have a custom
// main site page and need to control the login process
$display .= CUSTOM_loginErrorHandler($msg);
} else {
$display .= USER_loginForm(false, $status);
}
} else {
// user is already logged in
$display .= COM_startBlock($LANG04['user_login']);
$display .= '<p>' . $LANG04['user_logged_in_message'] . '</p>';
$display .= COM_endBlock();
}
}
}
break;
}
return COM_createHTMLDocument($display);
}
/**
* Try to authenticate the user against the code given after user name and password is confirmed
*
* @return string
* @throws \LogicException
*/
function USER_tryTwoFactorAuth()
{
global $_CONF, $_USER, $LANG04, $LANG12;
$retval = '';
// Is Two Factor Auth enabled?
if (!isset($_CONF['enable_twofactorauth']) || !$_CONF['enable_twofactorauth']) {
throw new \LogicException(__FUNCTION__ . ': Two Factor Authentication is disabled.');
}
// Check security token
$_USER['uid'] = (int) Geeklog\Input::fPost('uid', 0);
SEC_checkToken();
// Check login speed limit
COM_clearSpeedlimit($_CONF['login_speedlimit'], 'login');
$last = COM_checkSpeedlimit('login', $_CONF['login_attempts']);
if ($last > 0) {
$display = COM_showMessageText(
sprintf($LANG04[112], $last, $_CONF['passwordspeedlimit']),
$LANG12[26]
);
$retval = COM_createHTMLDocument($display, array('pagetitle' => $LANG12[26]));
} else {
$tfaCode = Geeklog\Input::fPost('tfa_code', '');
$tfa = new Geeklog\TwoFactorAuthentication($_USER['uid']);
if ($tfa->authenticate($tfaCode)) {
// Successfully authenticated the user
USER_doLogin(); // Never return
} else {
// Failed to authenticate the user
COM_updateSpeedlimit('login');
$content = USER_getTwoFactorAuthForm();
$retval = COM_createHTMLDocument($content, array());
}
}
return $retval;
}
// MAIN
$mode = Geeklog\Input::request('mode', '');
$display = '';
switch ($mode) {
case 'logout':
if (!empty($_USER['uid']) && ($_USER['uid'] > 1)) {
SESS_endUserSession($_USER['uid']);
PLG_logoutUser($_USER['uid']);
}
SEC_setCookie($_CONF['cookie_session'], '', time() - 10000);
SEC_setCookie($_CONF['cookie_password'], '', time() - 10000);
SEC_setCookie($_CONF['cookie_name'], '', time() - 10000);
COM_redirect($_CONF['site_url'] . '/index.php?msg=8');
break;
case 'profile':
$uid = (int) Geeklog\Input::fGet('uid', 0);
if ($uid > 1) {
$msg = (int) Geeklog\Input::fGet('msg', 0);
$plugin = '';
if (($msg > 0) && isset($_GET['plugin'])) {
$plugin = Geeklog\Input::fGet('plugin');
}
$display .= USER_showProfile($uid, false, $msg, $plugin);
} else {
// Redirect crawlers and the like to the site's homepage (feature request #520)
COM_redirect($_CONF['site_url'] . '/index.php');
}
break;
case 'user':
$username = Geeklog\Input::fGet('username');
if (!empty($username)) {
$username = DB_escapeString($username);
$uid = DB_getItem($_TABLES['users'], 'uid', "username = '$username'");
if ($uid > 1) {
$display .= USER_showProfile($uid);
} else {
COM_redirect($_CONF['site_url'] . '/index.php');
}
} else {
COM_redirect($_CONF['site_url'] . '/index.php');
}
break;
case 'create':
if ($_CONF['disable_new_user_registration']) {
$display .= COM_showMessageText($LANG04[122], $LANG04[22]);
$display = COM_createHTMLDocument($display, array('pagetitle' => $LANG04[22]));
} else {
$userName = Geeklog\Input::fPost('username');
$email = Geeklog\Input::fPost('email');
$email_conf = Geeklog\Input::fPost('email_conf');
$display .= USER_createUser($userName, $email, $email_conf);
}
break;
case 'getpassword':
if ($_CONF['passwordspeedlimit'] == 0) {
$_CONF['passwordspeedlimit'] = 300; // 5 minutes
}
COM_clearSpeedlimit($_CONF['passwordspeedlimit'], 'password');
$last = COM_checkSpeedlimit('password');
if ($last > 0) {
$display .= COM_showMessageText(
sprintf($LANG04[93], $last, $_CONF['passwordspeedlimit']),
$LANG12[26]
);
} else {
$display .= USER_getPasswordForm();
}
$display = COM_createHTMLDocument($display, array('pagetitle' => $LANG04[25]));
break;
case 'newpwd':
$uid = (int) Geeklog\Input::fGet('uid', 0);
$reqid = Geeklog\Input::fGet('rid');
if (!empty($uid) && ($uid > 0) && !empty($reqid) && (strlen($reqid) === 16)) {
$valid = DB_count($_TABLES['users'], array('uid', 'pwrequestid'), array($uid, $reqid));
if ($valid == 1) {
$display .= USER_newPasswordForm($uid, $reqid);
$display = COM_createHTMLDocument($display, array('pagetitle' => $LANG04[92]));
} else { // request invalid or expired
$display .= COM_showMessage(54);
$display .= USER_getPasswordForm();
$display = COM_createHTMLDocument($display, array('pagetitle' => $LANG04[25]));
}
} else {
// this request doesn't make sense - ignore it
COM_redirect($_CONF['site_url'] . '/index.php');
}
break;
case 'setnewpwd':
if ((empty($_POST['passwd'])) || ($_POST['passwd'] != $_POST['passwd_conf'])) {
COM_redirect(
$_CONF['site_url'] . '/users.php?'
. http_build_query(array(
'mode' => 'newpwd',
'uid' => (int) Geeklog\Input::fPost('uid'),
'rid' => Geeklog\Input::post('rid'),
))
);
} else {
$uid = (int) Geeklog\Input::fPost('uid', 0);
$reqid = Geeklog\Input::fPost('rid');
if (!empty($uid) && ($uid > 0) && !empty($reqid) && (strlen($reqid) === 16)) {
$valid = DB_count($_TABLES['users'], array('uid', 'pwrequestid'), array($uid, $reqid));
if ($valid == 1) {
SEC_updateUserPassword(Geeklog\Input::post('passwd'), $uid);
DB_delete($_TABLES['sessions'], 'uid', $uid);
DB_change($_TABLES['users'], 'pwrequestid', "NULL",
'uid', $uid);
COM_redirect($_CONF['site_url'] . '/users.php?msg=53');
} else { // request invalid or expired
$display .= COM_showMessage(54);
$display .= USER_getPasswordForm();
$display = COM_createHTMLDocument($display, array('pagetitle' => $LANG04[25]));
}
} else {
// this request doesn't make sense - ignore it
COM_redirect($_CONF['site_url'] . '/index.php');
}
}
break;
case 'emailpasswd':
if ($_CONF['passwordspeedlimit'] == 0) {
$_CONF['passwordspeedlimit'] = 300; // 5 minutes