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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 2.1 |
// +---------------------------------------------------------------------------+
// | users.php |
// | |
// | User authentication module. |
// +---------------------------------------------------------------------------+
// | Copyright (C) 2000-2011 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';
$VERBOSE = false;
// Uncomment the line below if you need to debug the HTTP variables being passed
// to the script. This will sometimes cause errors but it will allow you to see
// the data being passed in a POST operation
// echo COM_debug($_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 $msg Message number of message to show when done
* @return string Optionally returns the HTML for the default form if the user info can't be found
*/
function emailpassword($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 {
$retval = COM_createHTMLDocument(defaultform($LANG04[17]), array('pagetitle' => $LANG04[17]));
}
return $retval;
}
/**
* User request for a new password - send email with a link and request id
*
* @param username string name of user who requested the new password
* @return string form or meta redirect
*/
function requestpassword($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=''))");
$nrows = DB_numRows($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');
}
$reqid = substr(md5(uniqid(rand(), 1)), 1, 16);
DB_change($_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 {
$retval = COM_createHTMLDocument(defaultform($LANG04[17]), array('pagetitle' => $LANG04[17]));
}
return $retval;
}
/**
* Display a form where the user can enter a new password.
*
* @param uid int user id
* @param requestid string request id for password change
* @return string new password form
*/
function newpasswordform($uid, $requestid)
{
global $_CONF, $_TABLES, $LANG04;
$pwform = COM_newTemplate($_CONF['path_layout'] . 'users');
$pwform->set_file(array('newpw' => 'newpassword.thtml'));
$pwform->set_var('user_id', $uid);
$pwform->set_var('user_name', DB_getItem($_TABLES['users'], 'username',
"uid = '{$uid}'"));
$pwform->set_var('request_id', $requestid);
$pwform->set_var('lang_explain', $LANG04[90]);
$pwform->set_var('lang_username', $LANG04[2]);
$pwform->set_var('lang_newpassword', $LANG04[4]);
$pwform->set_var('lang_newpassword_conf', $LANG04[108]);
$pwform->set_var('lang_setnewpwd', $LANG04[91]);
$retval = COM_startBlock($LANG04[92]);
$retval .= $pwform->finish($pwform->parse('output', 'newpw'));
$retval .= 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 $email_conf confirmation email address check
* @return string HTML for the form again if error occurs, otherwise nothing.
*/
function createuser($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 {
$retval .= newuserform($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 {
$retval = emailpassword($username, 1);
}
} else {
$retval = emailpassword($username, 1);
}
return $retval;
} else {
if ($_CONF['custom_registration'] &&
function_exists('CUSTOM_userForm')
) {
$retval .= CUSTOM_userForm($LANG04[19]);
} else {
$retval .= newuserform($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 {
$retval .= newuserform($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 {
$retval .= newuserform($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 $userstatus status of the user's account
* @return string HTML for login form
*/
function loginform($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
* @param string $referrer page to send user to after registration
* @return string HTML for user registration page
*/
function newuserform($msg = '')
{
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());
$username = '';
if (!empty($_POST['username'])) {
$username = COM_applyFilter($_POST['username']);
}
$user_templates->set_var('username', $username);
$email = '';
if (!empty($_POST['email'])) {
$email = COM_applyFilter($_POST['email']);
}
$user_templates->set_var('email', $email);
$email_conf = '';
if (!empty($_POST['email_conf'])) {
$email_conf = COM_applyFilter($_POST['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 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]);
$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 $msg message to display if one is needed
* @return string HTML for form
*/
function defaultform($msg)
{
global $_CONF, $LANG04;
$retval = '';
if (!empty($msg)) {
$retval .= COM_showMessageText($msg, $LANG04[21]);
}
$retval .= loginform(true);
if (!$_CONF['disable_new_user_registration']) {
$retval .= newuserform();
}
$retval .= 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 $message_text text of the message box
* @return void function does not return!
*/
function displayLoginErrorAndAbort($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 resend_request()
{
global $_CONF;
$method = '';
if (isset($_POST['token_requestmethod'])) {
$method = COM_applyFilter($_POST['token_requestmethod']);
}
$returnUrl = '';
if (isset($_POST['token_returnurl'])) {
$returnUrl = urldecode($_POST['token_returnurl']);
if (substr($returnUrl, 0, strlen($_CONF['site_url'])) !=
$_CONF['site_url']
) {
// only accept URLs on our site
$returnUrl = '';
}
}
$postData = '';
if (isset($_POST['token_postdata'])) {
$postData = urldecode($_POST['token_postdata']);
}
$getData = '';
if (isset($_POST['token_getdata'])) {
$getData = urldecode($_POST['token_getdata']);
}
$files = '';
if (isset($_POST['token_files'])) {
$files = urldecode($_POST['token_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);
}
}
}
$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 $cookie => $value) {
$req->addCookie($cookie, $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;
}
// MAIN
if (isset($_REQUEST['mode'])) {
$mode = $_REQUEST['mode'];
} else {
$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':
$uid = COM_applyFilter($_GET['uid'], true);
if (is_numeric($uid) && ($uid > 1)) {
$msg = 0;
if (isset($_GET['msg'])) {
$msg = COM_applyFilter($_GET['msg'], true);
}
$plugin = '';
if (($msg > 0) && isset($_GET['plugin'])) {
$plugin = COM_applyFilter($_GET['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':
$username = COM_applyFilter($_GET['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 {
$email = COM_applyFilter($_POST['email']);
$email_conf = COM_applyFilter($_POST['email_conf']);
$display .= createuser(COM_applyFilter($_POST['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 .= getpasswordform();
}
$display = COM_createHTMLDocument($display, array('pagetitle' => $LANG04[25]));
break;
case 'newpwd':
$uid = COM_applyFilter($_GET['uid'], true);
$reqid = COM_applyFilter($_GET['rid']);
if (!empty($uid) && is_numeric($uid) && ($uid > 0) &&
!empty($reqid) && (strlen($reqid) == 16)
) {
$valid = DB_count($_TABLES['users'], array('uid', 'pwrequestid'),
array($uid, $reqid));
if ($valid == 1) {
$display .= newpasswordform($uid, $reqid);
$display = COM_createHTMLDocument($display, array('pagetitle' => $LANG04[92]));
} else { // request invalid or expired
$display .= COM_showMessage(54);
$display .= 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?mode=newpwd&uid=' . $_POST['uid']
. '&rid=' . $_POST['rid']
);
} else {
$uid = COM_applyFilter($_POST['uid'], true);
$reqid = COM_applyFilter($_POST['rid']);
if (!empty($uid) && is_numeric($uid) && ($uid > 0) &&
!empty($reqid) && (strlen($reqid) == 16)
) {
$valid = DB_count($_TABLES['users'], array('uid', 'pwrequestid'),
array($uid, $reqid));
if ($valid == 1) {
SEC_updateUserPassword($_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 .= 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) {
$_CONF['passwordspeedlimit'] = 300; // 5 minutes
}
COM_clearSpeedlimit($_CONF['passwordspeedlimit'], 'password');
$last = COM_checkSpeedlimit('password');
if ($last > 0) {
$display .= COM_showMessageText(
sprintf($LANG04[93], $last, $_CONF['passwordspeedlimit']),
$LANG12[26]
);
$display = COM_createHTMLDocument($display, array('pagetitle' => $LANG12[26]));
} else {
$username = COM_applyFilter($_POST['username']);
$email = COM_applyFilter($_POST['email']);
if (empty($username) && !empty($email)) {
$username = DB_getItem($_TABLES['users'], 'username',
"email = '$email' AND ((remoteservice IS NULL) OR (remoteservice = ''))");
}
if (!empty($username)) {
$display .= requestpassword($username);
} else {
COM_redirect($_CONF['site_url'] . '/users.php?mode=getpassword');
}
}
break;
case 'new':
if ($_CONF['disable_new_user_registration']) {
$display .= COM_showMessageText($LANG04[122], $LANG04[22]);
} else {
// Call custom registration and account record create function
// if enabled and exists
if ($_CONF['custom_registration'] && (function_exists('CUSTOM_userForm'))) {
$display .= CUSTOM_userForm();
} else {
$display .= newuserform();
}
}
$display = COM_createHTMLDocument($display, array('pagetitle' => $LANG04[22]));
break;
case 'tokenexpired':
// deliberate fallthrough (see below)
default:
// prevent dictionary attacks on passwords
COM_clearSpeedlimit($_CONF['login_speedlimit'], 'login');
if (COM_checkSpeedlimit('login', $_CONF['login_attempts']) > 0) {
displayLoginErrorAndAbort(82, $LANG12[26], $LANG04[112]);
}
$loginname = '';
if (isset($_POST['loginname'])) {
$loginname = COM_applyFilter($_POST['loginname']);
}
$passwd = '';
if (isset($_POST['passwd'])) {
$passwd = $_POST['passwd'];
}
$service = '';
if (isset($_POST['service'])) {
$service = COM_applyFilter($_POST['service']);
}
$uid = '';
if (!empty($loginname) && !empty($passwd) && empty($service)) {
if (empty($service) && $_CONF['user_login_method']['standard']) {
$status = SEC_authenticate($loginname, $passwd, $uid);
} else {
$status = -1;
}
} elseif (($_CONF['usersubmission'] == 0) && $_CONF['user_login_method']['3rdparty'] && ($service != '')) {
/* Distributed Authentication */
//pass $loginname by ref so we can change it ;-)
$status = SEC_remoteAuthentication($loginname, $passwd, $service, $uid);
} elseif ($_CONF['user_login_method']['openid'] &&
($_CONF['usersubmission'] == 0) &&
!$_CONF['disable_new_user_registration'] &&
(isset($_GET['openid_login']) && ($_GET['openid_login'] == '1'))
) {
// Here we go with the handling of OpenID authentication.
$query = array_merge($_GET, $_POST);
if (isset($query['identity_url']) &&
($query['identity_url'] != 'http://')
) {
$property = sprintf('%x', crc32($query['identity_url']));
COM_clearSpeedlimit($_CONF['login_speedlimit'], 'openid');
if (COM_checkSpeedlimit('openid', $_CONF['login_attempts'],
$property) > 0
) {
displayLoginErrorAndAbort(82, $LANG12[26], $LANG04[112]);
}
}
require_once $_CONF['path_system'] . 'classes/openidhelper.class.php';
$consumer = new SimpleConsumer();
$handler = new SimpleActionHandler($query, $consumer);
if (isset($query['identity_url']) && $query['identity_url'] != 'http://') {
$identity_url = $query['identity_url'];
$ret = $consumer->find_identity_info($identity_url);
if (!$ret) {
COM_updateSpeedlimit('login');
$property = sprintf('%x', crc32($query['identity_url']));
COM_updateSpeedlimit('openid', $property);
COM_errorLog('Unable to find an OpenID server for the identity URL ' . $identity_url);
COM_redirect($_CONF['site_url'] . '/users.php?msg=89');
exit;
} else {
// Found identity server info.
list($identity_url, $server_id, $server_url) = $ret;
// Redirect the user-agent to the OpenID server
// which we are requesting information from.
header('Location: ' . $consumer->handle_request(
$server_id, $server_url,
oidUtil::append_args($_CONF['site_url'] . '/users.php',
array('openid_login' => '1',
'open_id' => $identity_url)), // Return to.
$_CONF['site_url'], // Trust root.
null,
"email,nickname,fullname")); // Required fields.
exit;
}
} elseif (isset($query['openid.mode']) || isset($query['openid_mode'])) {
$openid_mode = '';
if (isset($query['openid.mode'])) {
$openid_mode = $query['openid.mode'];
} elseif (isset($query['openid_mode'])) {
$openid_mode = $query['openid_mode'];
}
if ($openid_mode === 'cancel') {
COM_updateSpeedlimit('login');
COM_redirect($_CONF['site_url'] . '/users.php?msg=90');
} else {
$openid = $handler->getOpenID();
$req = new ConsumerRequest($openid, $query, 'GET');
$response = $consumer->handle_response($req);
$response->doAction($handler);
}
} else {
COM_updateSpeedlimit('login');
COM_redirect($_CONF['site_url'] . '/users.php?msg=91');
}
} elseif ($_CONF['user_login_method']['oauth'] &&
($_CONF['usersubmission'] == 0) &&
!$_CONF['disable_new_user_registration'] &&
isset($_GET['oauth_login'])
) {
// Here we go with the handling of OAuth authentication.
$modules = SEC_collectRemoteOAuthModules();
$active_service = (count($modules) == 0) ? false : in_array($_GET['oauth_login'], $modules);
if (!$active_service) {
$status = -1;
COM_errorLog("OAuth login failed - there was no consumer available for the service:" . $_GET['oauth_login'], 1);
} else {
$query = array_merge($_GET, $_POST);
$service = $query['oauth_login'];
COM_clearSpeedlimit($_CONF['login_speedlimit'], $service);
if (COM_checkSpeedlimit($service, $_CONF['login_attempts']) > 0) {
displayLoginErrorAndAbort(82, $LANG12[26], $LANG04[112]);
}
require_once $_CONF['path_system'] . 'classes/oauthhelper.class.php';
$consumer = new OAuthConsumer($service);
$callback_url = $_CONF['site_url'] . '/users.php?oauth_login=' . $service;
$consumer->setRedirectURL($callback_url);
$oauth_userinfo = $consumer->authenticate_user();
if ( $oauth_userinfo === false ) {
COM_updateSpeedlimit('login');
COM_errorLog("OAuth Error: " . $consumer->error, 1);
COM_redirect($_CONF['site_url'] . '/users.php?msg=111'); // OAuth authentication error
}
if ( $consumer->doAction($oauth_userinfo) == NULL ) {
COM_errorLog("Oauth: Error creating new user in OAuth authentication", 1);
COM_redirect($_CONF['site_url'] . '/users.php?msg=111'); // OAuth authentication error
}
}
} else {
$status = -2; // User just visited login page no error. -1 = error
}
if ($status == USER_ACCOUNT_ACTIVE) { // logged in AOK.
if ($mode === 'tokenexpired') {
resend_request(); // won't come back
}
DB_change($_TABLES['users'], 'pwrequestid', "NULL", 'uid', $uid);
$userdata = SESS_getUserDataFromId($uid);
$_USER = $userdata;
$sessid = SESS_newSession($_USER['uid'], $_SERVER['REMOTE_ADDR'], $_CONF['session_cookie_timeout'], $_CONF['cookie_ip']);
SESS_setSessionCookie($sessid, $_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 longterm cookie
if (!isset($_COOKIE[$_CONF['cookie_name']]) || !isset($_COOKIE['cookie_password'])) {
// Either their cookie expired or they are new
$cooktime = COM_getUserCookieTimeout();
if ($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 ($VERBOSE) {
COM_errorLog('Trying to set permanent cookie', 1);
}
SEC_setCookie($_CONF['cookie_name'], $_USER['uid'],
time() + $cooktime);
SEC_setCookie($_CONF['cookie_password'],
$_USER['passwd'], time() + $cooktime);
}
} else {
$userid = $_COOKIE[$_CONF['cookie_name']];
if (empty($userid) || ($userid === 'deleted')) {
unset($userid);
} else {
$userid = COM_applyFilter($userid, true);
if ($userid > 1) {
if ($VERBOSE) {
COM_errorLog('NOW trying to set permanent cookie', 1);
COM_errorLog('Got ' . $userid . ' from perm cookie in users.php', 1);
}
// Create new session
$userdata = SESS_getUserDataFromId($userid);
$_USER = $userdata;
if ($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']);