function Login2()
{
global $txt, $scripturl, $user_info, $user_settings, $smcFunc;
global $cookiename, $maintenance, $modSettings, $context, $sc, $sourcedir;
// Load cookie authentication stuff.
require_once $sourcedir . '/Subs-Auth.php';
if (isset($_GET['sa']) && $_GET['sa'] == 'salt' && !$user_info['is_guest']) {
if (isset($_COOKIE[$cookiename]) && preg_match('~^a:[34]:\\{i:0;(i:\\d{1,6}|s:[1-8]:"\\d{1,8}");i:1;s:(0|40):"([a-fA-F0-9]{40})?";i:2;[id]:\\d{1,14};(i:3;i:\\d;)?\\}$~', $_COOKIE[$cookiename]) === 1) {
list(, , $timeout) = @unserialize($_COOKIE[$cookiename]);
} elseif (isset($_SESSION['login_' . $cookiename])) {
list(, , $timeout) = @unserialize($_SESSION['login_' . $cookiename]);
} else {
trigger_error('Login2(): Cannot be logged in without a session or cookie', E_USER_ERROR);
}
$user_settings['password_salt'] = substr(md5(mt_rand()), 0, 4);
updateMemberData($user_info['id'], array('password_salt' => $user_settings['password_salt']));
setLoginCookie($timeout - time(), $user_info['id'], sha1($user_settings['passwd'] . $user_settings['password_salt']));
redirectexit('action=login2;sa=check;member=' . $user_info['id'], $context['server']['needs_login_fix']);
} elseif (isset($_GET['sa']) && $_GET['sa'] == 'check') {
// Strike! You're outta there!
if ($_GET['member'] != $user_info['id']) {
fatal_lang_error('login_cookie_error', false);
}
// Some whitelisting for login_url...
if (empty($_SESSION['login_url'])) {
redirectexit();
} else {
// Best not to clutter the session data too much...
$temp = $_SESSION['login_url'];
unset($_SESSION['login_url']);
redirectexit($temp);
}
}
// Beyond this point you are assumed to be a guest trying to login.
if (!$user_info['is_guest']) {
redirectexit();
}
// Set the login_url if it's not already set (but careful not to send us to an attachment).
if (empty($_SESSION['login_url']) && isset($_SESSION['old_url']) && strpos($_SESSION['old_url'], 'dlattach') === false && preg_match('~(board|topic)[=,]~', $_SESSION['old_url']) != 0) {
$_SESSION['login_url'] = $_SESSION['old_url'];
}
// Are you guessing with a script that doesn't keep the session id?
spamProtection('login');
// Been guessing a lot, haven't we?
if (isset($_SESSION['failed_login']) && $_SESSION['failed_login'] >= $modSettings['failed_login_threshold'] * 3) {
fatal_lang_error('login_threshold_fail', 'critical');
}
// Set up the cookie length. (if it's invalid, just fall through and use the default.)
if (isset($_POST['cookieneverexp']) || !empty($_POST['cookielength']) && $_POST['cookielength'] == -1) {
$modSettings['cookieTime'] = 3153600;
} elseif (!empty($_POST['cookielength']) && ($_POST['cookielength'] >= 1 || $_POST['cookielength'] <= 525600)) {
$modSettings['cookieTime'] = (int) $_POST['cookielength'];
}
loadLanguage('Login');
// Load the template stuff - wireless or normal.
if (WIRELESS) {
$context['sub_template'] = WIRELESS_PROTOCOL . '_login';
} else {
loadTemplate('Login');
$context['sub_template'] = 'login';
}
// Set up the default/fallback stuff.
$context['default_username'] = isset($_REQUEST['user']) ? preg_replace('~&#(\\d{1,7}|x[0-9a-fA-F]{1,6});~', '&#\\1;', htmlspecialchars($_REQUEST['user'])) : '';
$context['default_password'] = '';
$context['never_expire'] = $modSettings['cookieTime'] == 525600 || $modSettings['cookieTime'] == 3153600;
$context['login_errors'] = array($txt['error_occured']);
$context['page_title'] = $txt['login'];
// Add the login chain to the link tree.
$context['linktree'][] = array('url' => $scripturl . '?action=login', 'name' => $txt['login']);
if (!empty($_REQUEST['openid_identifier']) && !empty($modSettings['enableOpenID'])) {
require_once $sourcedir . '/Subs-OpenID.php';
return smf_openID_validate($_REQUEST['openid_identifier']);
}
// You forgot to type your username, dummy!
if (!isset($_REQUEST['user']) || $_REQUEST['user'] == '') {
$context['login_errors'] = array($txt['need_username']);
return;
}
// Hmm... maybe 'admin' will login with no password. Uhh... NO!
if ((!isset($_POST['passwrd']) || $_POST['passwrd'] == '') && (!isset($_REQUEST['hash_passwrd']) || strlen($_REQUEST['hash_passwrd']) != 40)) {
$context['login_errors'] = array($txt['no_password']);
return;
}
// No funky symbols either.
if (preg_match('~[<>&"\'=\\\\]~', preg_replace('~(&#(\\d{1,7}|x[0-9a-fA-F]{1,6});)~', '', $_REQUEST['user'])) != 0) {
$context['login_errors'] = array($txt['error_invalid_characters_username']);
return;
}
// Are we using any sort of integration to validate the login?
if (isset($modSettings['integrate_validate_login']) && is_callable($modSettings['integrate_validate_login'])) {
if (call_user_func(strpos($modSettings['integrate_validate_login'], '::') === false ? $modSettings['integrate_validate_login'] : explode('::', $modSettings['integrate_validate_login']), $_REQUEST['user'], isset($_REQUEST['hash_passwrd']) && strlen($_REQUEST['hash_passwrd']) == 40 ? $_REQUEST['hash_passwrd'] : null, $modSettings['cookieTime']) == 'retry') {
$context['login_errors'] = array($txt['login_hash_error']);
$context['disable_login_hashing'] = true;
return;
}
}
// Load the data up!
$request = $smcFunc['db_query']('', '
SELECT passwd, id_member, id_group, lngfile, is_activated, email_address, additional_groups, member_name, password_salt,
openid_uri, passwd_flood
FROM {db_prefix}members
WHERE ' . ($smcFunc['db_case_sensitive'] ? 'LOWER(member_name) = LOWER({string:user_name})' : 'member_name = {string:user_name}') . '
LIMIT 1', array('user_name' => $smcFunc['db_case_sensitive'] ? strtolower($_REQUEST['user']) : $_REQUEST['user']));
// Probably mistyped or their email, try it as an email address. (member_name first, though!)
if ($smcFunc['db_num_rows']($request) == 0) {
$smcFunc['db_free_result']($request);
$request = $smcFunc['db_query']('', '
SELECT passwd, id_member, id_group, lngfile, is_activated, email_address, additional_groups, member_name, password_salt, openid_uri,
passwd_flood
FROM {db_prefix}members
WHERE email_address = {string:user_name}
LIMIT 1', array('user_name' => $_REQUEST['user']));
// Let them try again, it didn't match anything...
if ($smcFunc['db_num_rows']($request) == 0) {
$context['login_errors'] = array($txt['username_no_exist']);
return;
}
}
$user_settings = $smcFunc['db_fetch_assoc']($request);
$smcFunc['db_free_result']($request);
// Figure out the password using SMF's encryption - if what they typed is right.
if (isset($_REQUEST['hash_passwrd']) && strlen($_REQUEST['hash_passwrd']) == 40) {
// Needs upgrading?
if (strlen($user_settings['passwd']) != 40) {
$context['login_errors'] = array($txt['login_hash_error']);
$context['disable_login_hashing'] = true;
unset($user_settings);
return;
} elseif ($_REQUEST['hash_passwrd'] == sha1($user_settings['passwd'] . $sc)) {
$sha_passwd = $user_settings['passwd'];
} else {
// Don't allow this!
validatePasswordFlood($user_settings['id_member'], $user_settings['passwd_flood']);
$_SESSION['failed_login'] = @$_SESSION['failed_login'] + 1;
if ($_SESSION['failed_login'] >= $modSettings['failed_login_threshold']) {
redirectexit('action=reminder');
} else {
log_error($txt['incorrect_password'] . ' - <span class="remove">' . $user_settings['member_name'] . '</span>', 'user');
$context['disable_login_hashing'] = true;
$context['login_errors'] = array($txt['incorrect_password']);
unset($user_settings);
return;
}
}
} else {
$sha_passwd = sha1(strtolower($user_settings['member_name']) . un_htmlspecialchars($_POST['passwrd']));
}
// Bad password! Thought you could fool the database?!
if ($user_settings['passwd'] != $sha_passwd) {
// Let's be cautious, no hacking please. thanx.
validatePasswordFlood($user_settings['id_member'], $user_settings['passwd_flood']);
// Maybe we were too hasty... let's try some other authentication methods.
$other_passwords = array();
// None of the below cases will be used most of the time (because the salt is normally set.)
if ($user_settings['password_salt'] == '') {
// YaBB SE, Discus, MD5 (used a lot), SHA-1 (used some), SMF 1.0.x, IkonBoard, and none at all.
$other_passwords[] = crypt($_POST['passwrd'], substr($_POST['passwrd'], 0, 2));
$other_passwords[] = crypt($_POST['passwrd'], substr($user_settings['passwd'], 0, 2));
$other_passwords[] = md5($_POST['passwrd']);
$other_passwords[] = sha1($_POST['passwrd']);
$other_passwords[] = md5_hmac($_POST['passwrd'], strtolower($user_settings['member_name']));
$other_passwords[] = md5($_POST['passwrd'] . strtolower($user_settings['member_name']));
$other_passwords[] = $_POST['passwrd'];
// This one is a strange one... MyPHP, crypt() on the MD5 hash.
$other_passwords[] = crypt(md5($_POST['passwrd']), md5($_POST['passwrd']));
// Snitz style - SHA-256. Technically, this is a downgrade, but most PHP configurations don't support sha256 anyway.
if (strlen($user_settings['passwd']) == 64 && function_exists('mhash') && defined('MHASH_SHA256')) {
$other_passwords[] = bin2hex(mhash(MHASH_SHA256, $_POST['passwrd']));
}
// phpBB3 users new hashing. We now support it as well ;).
$other_passwords[] = phpBB3_password_check($_POST['passwrd'], $user_settings['passwd']);
// APBoard 2 Login Method.
$other_passwords[] = md5(crypt($_REQUEST['passwrd'], 'CRYPT_MD5'));
} elseif (strlen($user_settings['passwd']) == 32) {
// vBulletin 3 style hashing? Let's welcome them with open arms \o/.
$other_passwords[] = md5(md5($_POST['passwrd']) . $user_settings['password_salt']);
// Hmm.. p'raps it's Invision 2 style?
$other_passwords[] = md5(md5($user_settings['password_salt']) . md5($_POST['passwrd']));
// Some common md5 ones.
$other_passwords[] = md5($user_settings['password_salt'] . $_POST['passwrd']);
$other_passwords[] = md5($_POST['passwrd'] . $user_settings['password_salt']);
$other_passwords[] = md5($_POST['passwrd']);
$other_passwords[] = md5(md5($_POST['passwrd']));
} elseif (strlen($user_settings['passwd']) == 40) {
// Maybe they are using a hash from before the password fix.
$other_passwords[] = sha1(strtolower($user_settings['member_name']) . un_htmlspecialchars($_POST['passwrd']));
// BurningBoard3 style of hashing.
$other_passwords[] = sha1($user_settings['password_salt'] . sha1($user_settings['password_salt'] . sha1($_REQUEST['passwrd'])));
// Perhaps we converted to UTF-8 and have a valid password being hashed differently.
if ($context['character_set'] == 'utf8' && !empty($modSettings['previousCharacterSet']) && $modSettings['previousCharacterSet'] != 'utf8') {
// Try iconv first, for no particular reason.
if (function_exists('iconv')) {
$other_passwords['iconv'] = sha1(strtolower(iconv('UTF-8', $modSettings['previousCharacterSet'], $user_settings['member_name'])) . un_htmlspecialchars(iconv('UTF-8', $modSettings['previousCharacterSet'], $_POST['passwrd'])));
}
// Say it aint so, iconv failed!
if (empty($other_passwords['iconv']) && function_exists('mb_convert_encoding')) {
$other_passwords[] = sha1(strtolower(mb_convert_encoding($user_settings['member_name'], 'UTF-8', $modSettings['previousCharacterSet'])) . un_htmlspecialchars(mb_convert_encoding($_POST['passwrd'], 'UTF-8', $modSettings['previousCharacterSet'])));
}
}
}
// SMF's sha1 function can give a funny result on Linux (Not our fault!). If we've now got the real one let the old one be valid!
if (strpos(strtolower(PHP_OS), 'win') !== 0) {
require_once $sourcedir . '/Subs-Compat.php';
$other_passwords[] = sha1_smf(strtolower($user_settings['member_name']) . un_htmlspecialchars($_POST['passwrd']));
}
// Whichever encryption it was using, let's make it use SMF's now ;).
if (in_array($user_settings['passwd'], $other_passwords)) {
$user_settings['passwd'] = $sha_passwd;
$user_settings['password_salt'] = substr(md5(mt_rand()), 0, 4);
// Update the password and set up the hash.
updateMemberData($user_settings['id_member'], array('passwd' => $user_settings['passwd'], 'password_salt' => $user_settings['password_salt']));
} else {
// They've messed up again - keep a count to see if they need a hand.
$_SESSION['failed_login'] = @$_SESSION['failed_login'] + 1;
// Hmm... don't remember it, do you? Here, try the password reminder ;).
if ($_SESSION['failed_login'] >= $modSettings['failed_login_threshold']) {
redirectexit('action=reminder');
} else {
// Log an error so we know that it didn't go well in the error log.
log_error($txt['incorrect_password'] . ' - <span class="remove">' . $user_settings['member_name'] . '</span>', 'user');
$context['login_errors'] = array($txt['incorrect_password']);
return;
}
}
} elseif (!empty($user_settings['passwd_flood'])) {
// Let's be sure they wern't a little hacker.
validatePasswordFlood($user_settings['id_member'], $user_settings['passwd_flood'], true);
// If we got here then we can reset the flood counter.
updateMemberData($user_settings['id_member'], array('passwd_flood' => ''));
}
// Correct password, but they've got no salt; fix it!
if ($user_settings['password_salt'] == '') {
$user_settings['password_salt'] = substr(md5(mt_rand()), 0, 4);
updateMemberData($user_settings['id_member'], array('password_salt' => $user_settings['password_salt']));
}
// Check their activation status.
if (!checkActivation()) {
return;
}
DoLogin();
}
/**
* Actually logs you in.
*
* What it does:
* - checks credentials and checks that login was successful.
* - it employs protection against a specific IP or user trying to brute force
* a login to an account.
* - upgrades password encryption on login, if necessary.
* - after successful login, redirects you to $_SESSION['login_url'].
* - accessed from ?action=login2, by forms.
*
* On error, uses the same templates action_login() uses.
*/
public function action_login2()
{
global $txt, $scripturl, $user_info, $user_settings, $modSettings, $context, $sc;
// Load cookie authentication and all stuff.
require_once SUBSDIR . '/Auth.subs.php';
// Beyond this point you are assumed to be a guest trying to login.
if (!$user_info['is_guest']) {
redirectexit();
}
// Are you guessing with a script?
checkSession('post');
validateToken('login');
spamProtection('login');
// Set the login_url if it's not already set (but careful not to send us to an attachment).
if (empty($_SESSION['login_url']) && isset($_SESSION['old_url']) && strpos($_SESSION['old_url'], 'dlattach') === false && preg_match('~(board|topic)[=,]~', $_SESSION['old_url']) != 0 || isset($_GET['quicklogin']) && isset($_SESSION['old_url']) && strpos($_SESSION['old_url'], 'login') === false) {
$_SESSION['login_url'] = $_SESSION['old_url'];
}
// Been guessing a lot, haven't we?
if (isset($_SESSION['failed_login']) && $_SESSION['failed_login'] >= $modSettings['failed_login_threshold'] * 3) {
fatal_lang_error('login_threshold_fail', 'critical');
}
// Set up the cookie length. (if it's invalid, just fall through and use the default.)
if (isset($_POST['cookieneverexp']) || !empty($_POST['cookielength']) && $_POST['cookielength'] == -1) {
$modSettings['cookieTime'] = 3153600;
} elseif (!empty($_POST['cookielength']) && ($_POST['cookielength'] >= 1 || $_POST['cookielength'] <= 525600)) {
$modSettings['cookieTime'] = (int) $_POST['cookielength'];
}
loadLanguage('Login');
// Load the template stuff
loadTemplate('Login');
loadJavascriptFile('sha256.js', array('defer' => true));
$context['sub_template'] = 'login';
// Set up the default/fallback stuff.
$context['default_username'] = isset($_POST['user']) ? preg_replace('~&#(\\d{1,7}|x[0-9a-fA-F]{1,6});~', '&#\\1;', htmlspecialchars($_POST['user'], ENT_COMPAT, 'UTF-8')) : '';
$context['default_password'] = '';
$context['never_expire'] = $modSettings['cookieTime'] == 525600 || $modSettings['cookieTime'] == 3153600;
$context['login_errors'] = array($txt['error_occurred']);
$context['page_title'] = $txt['login'];
// Add the login chain to the link tree.
$context['linktree'][] = array('url' => $scripturl . '?action=login', 'name' => $txt['login']);
// This is an OpenID login. Let's validate...
if (!empty($_POST['openid_identifier']) && !empty($modSettings['enableOpenID'])) {
require_once SUBSDIR . '/OpenID.subs.php';
$open_id = new OpenID();
if ($open_id->validate($_POST['openid_identifier']) !== 'no_data') {
return $open_id;
} else {
$context['login_errors'] = array($txt['openid_not_found']);
return;
}
}
// You forgot to type your username, dummy!
if (!isset($_POST['user']) || $_POST['user'] == '') {
$context['login_errors'] = array($txt['need_username']);
return;
}
// No one needs a username that long, plus we only support 80 chars in the db
if (Util::strlen($_POST['user']) > 80) {
$_POST['user'] = Util::substr($_POST['user'], 0, 80);
}
// Can't use a password > 64 characters sorry, to long and only good for a DoS attack
// Plus we expect a 64 character one from SHA-256
if (isset($_POST['passwrd']) && strlen($_POST['passwrd']) > 64 || isset($_POST['hash_passwrd']) && strlen($_POST['hash_passwrd']) > 64) {
$context['login_errors'] = array($txt['improper_password']);
return;
}
// Hmm... maybe 'admin' will login with no password. Uhh... NO!
if ((!isset($_POST['passwrd']) || $_POST['passwrd'] == '') && (!isset($_POST['hash_passwrd']) || strlen($_POST['hash_passwrd']) != 64)) {
$context['login_errors'] = array($txt['no_password']);
return;
}
// No funky symbols either.
if (preg_match('~[<>&"\'=\\\\]~', preg_replace('~(&#(\\d{1,7}|x[0-9a-fA-F]{1,6});)~', '', $_POST['user'])) != 0) {
$context['login_errors'] = array($txt['error_invalid_characters_username']);
return;
}
// Are we using any sort of integration to validate the login?
if (in_array('retry', call_integration_hook('integrate_validate_login', array($_POST['user'], isset($_POST['hash_passwrd']) && strlen($_POST['hash_passwrd']) == 40 ? $_POST['hash_passwrd'] : null, $modSettings['cookieTime'])), true)) {
$context['login_errors'] = array($txt['login_hash_error']);
$context['disable_login_hashing'] = true;
return;
}
// Find them... if we can
$user_settings = loadExistingMember($_POST['user']);
// Let them try again, it didn't match anything...
if (empty($user_settings)) {
$context['login_errors'] = array($txt['username_no_exist']);
return;
}
// Figure out if the password is using Elk's encryption - if what they typed is right.
if (isset($_POST['hash_passwrd']) && strlen($_POST['hash_passwrd']) === 64) {
// Challenge what was passed
$valid_password = validateLoginPassword($_POST['hash_passwrd'], $user_settings['passwd']);
// Let them in
if ($valid_password) {
$sha_passwd = $_POST['hash_passwrd'];
$valid_password = true;
} elseif (preg_match('/^[0-9a-f]{40}$/i', $user_settings['passwd']) && isset($_POST['old_hash_passwrd']) && $_POST['old_hash_passwrd'] === hash('sha1', $user_settings['passwd'] . $sc)) {
// Old password passed, turn off hashing and ask for it again so we can update the db to something more secure.
$context['login_errors'] = array($txt['login_hash_error']);
$context['disable_login_hashing'] = true;
unset($user_settings);
return;
} else {
// Don't allow this!
validatePasswordFlood($user_settings['id_member'], $user_settings['passwd_flood']);
$_SESSION['failed_login'] = isset($_SESSION['failed_login']) ? $_SESSION['failed_login'] + 1 : 1;
// To many tries, maybe they need a reminder
if ($_SESSION['failed_login'] >= $modSettings['failed_login_threshold']) {
redirectexit('action=reminder');
} else {
log_error($txt['incorrect_password'] . ' - <span class="remove">' . $user_settings['member_name'] . '</span>', 'user');
// Wrong password, lets enable plain text responses in case form hashing is causing problems
$context['disable_login_hashing'] = true;
$context['login_errors'] = array($txt['incorrect_password']);
unset($user_settings);
return;
}
}
} else {
// validateLoginPassword will hash this like the form normally would and check its valid
$sha_passwd = $_POST['passwrd'];
$valid_password = validateLoginPassword($sha_passwd, $user_settings['passwd'], $user_settings['member_name']);
}
// Bad password! Thought you could fool the database?!
if ($valid_password === false) {
// Let's be cautious, no hacking please. thanx.
validatePasswordFlood($user_settings['id_member'], $user_settings['passwd_flood']);
// Maybe we were too hasty... let's try some other authentication methods.
$other_passwords = $this->_other_passwords($user_settings);
// Whichever encryption it was using, let's make it use ElkArte's now ;).
if (in_array($user_settings['passwd'], $other_passwords)) {
$user_settings['passwd'] = validateLoginPassword($sha_passwd, '', '', true);
$user_settings['password_salt'] = substr(md5(mt_rand()), 0, 4);
// Update the password hash and set up the salt.
updateMemberData($user_settings['id_member'], array('passwd' => $user_settings['passwd'], 'password_salt' => $user_settings['password_salt'], 'passwd_flood' => ''));
} else {
// They've messed up again - keep a count to see if they need a hand.
$_SESSION['failed_login'] = isset($_SESSION['failed_login']) ? $_SESSION['failed_login'] + 1 : 1;
// Hmm... don't remember it, do you? Here, try the password reminder ;).
if ($_SESSION['failed_login'] >= $modSettings['failed_login_threshold']) {
redirectexit('action=reminder');
} else {
// Log an error so we know that it didn't go well in the error log.
log_error($txt['incorrect_password'] . ' - <span class="remove">' . $user_settings['member_name'] . '</span>', 'user');
$context['login_errors'] = array($txt['incorrect_password']);
return;
}
}
} elseif (!empty($user_settings['passwd_flood'])) {
// Let's be sure they weren't a little hacker.
validatePasswordFlood($user_settings['id_member'], $user_settings['passwd_flood'], true);
// If we got here then we can reset the flood counter.
updateMemberData($user_settings['id_member'], array('passwd_flood' => ''));
}
// Correct password, but they've got no salt; fix it!
if ($user_settings['password_salt'] == '') {
$user_settings['password_salt'] = substr(md5(mt_rand()), 0, 4);
updateMemberData($user_settings['id_member'], array('password_salt' => $user_settings['password_salt']));
}
// Check their activation status.
if (!checkActivation()) {
return;
}
doLogin();
}
/**
* Callback action handler for OpenID
*/
public function action_openidreturn()
{
global $modSettings, $context, $user_settings;
// We'll need our subs.
require_once SUBSDIR . '/OpenID.subs.php';
// Is OpenID even enabled?
if (empty($modSettings['enableOpenID'])) {
fatal_lang_error('no_access', false);
}
// The OpenID provider did not respond with the OpenID mode? Throw an error..
if (!isset($_GET['openid_mode'])) {
fatal_lang_error('openid_return_no_mode', false);
}
// @todo Check for error status!
if ($_GET['openid_mode'] != 'id_res') {
fatal_lang_error('openid_not_resolved');
}
// this has annoying habit of removing the + from the base64 encoding. So lets put them back.
foreach (array('openid_assoc_handle', 'openid_invalidate_handle', 'openid_sig', 'sf') as $key) {
if (isset($_GET[$key])) {
$_GET[$key] = str_replace(' ', '+', $_GET[$key]);
}
}
$openID = new OpenID();
// Did they tell us to remove any associations?
if (!empty($_GET['openid_invalidate_handle'])) {
$openID->removeAssociation($_GET['openid_invalidate_handle']);
}
// Get the OpenID server info.
$server_info = $openID->getServerInfo($_GET['openid_identity']);
// Get the association data.
$assoc = $openID->getAssociation($server_info['server'], $_GET['openid_assoc_handle'], true);
if ($assoc === null) {
fatal_lang_error('openid_no_assoc');
}
$secret = base64_decode($assoc['secret']);
$signed = explode(',', $_GET['openid_signed']);
$verify_str = '';
foreach ($signed as $sign) {
$verify_str .= $sign . ':' . strtr($_GET['openid_' . str_replace('.', '_', $sign)], array('&' => '&')) . "\n";
}
$verify_str = base64_encode(hash_hmac('sha1', $verify_str, $secret, true));
// Verify the OpenID signature.
if ($verify_str != $_GET['openid_sig']) {
fatal_lang_error('openid_sig_invalid', 'critical');
}
if (!isset($_SESSION['openid']['saved_data'][$_GET['t']])) {
fatal_lang_error('openid_load_data');
}
$openid_uri = $_SESSION['openid']['saved_data'][$_GET['t']]['openid_uri'];
$modSettings['cookieTime'] = $_SESSION['openid']['saved_data'][$_GET['t']]['cookieTime'];
if (empty($openid_uri)) {
fatal_lang_error('openid_load_data');
}
// Any save fields to restore?
$context['openid_save_fields'] = isset($_GET['sf']) ? unserialize(base64_decode($_GET['sf'])) : array();
$context['openid_claimed_id'] = $_GET['openid_claimed_id'];
// Is there a user with this OpenID_uri?
$member_found = memberByOpenID($context['openid_claimed_id']);
if (empty($member_found) && isset($_GET['sa']) && $_GET['sa'] == 'change_uri' && !empty($_SESSION['new_openid_uri']) && $_SESSION['new_openid_uri'] == $context['openid_claimed_id']) {
// Update the member.
updateMemberData($user_settings['id_member'], array('openid_uri' => $context['openid_claimed_id']));
unset($_SESSION['new_openid_uri']);
$_SESSION['openid'] = array('verified' => true, 'openid_uri' => $context['openid_claimed_id']);
// Send them back to profile.
redirectexit('action=profile;area=authentication;updated');
} elseif (empty($member_found)) {
// Store the received openid info for the user when returned to the registration page.
$_SESSION['openid'] = array('verified' => true, 'openid_uri' => $context['openid_claimed_id']);
if (isset($_GET['openid_sreg_nickname'])) {
$_SESSION['openid']['nickname'] = $_GET['openid_sreg_nickname'];
}
if (isset($_GET['openid_sreg_email'])) {
$_SESSION['openid']['email'] = $_GET['openid_sreg_email'];
}
if (isset($_GET['openid_sreg_dob'])) {
$_SESSION['openid']['dob'] = $_GET['openid_sreg_dob'];
}
if (isset($_GET['openid_sreg_gender'])) {
$_SESSION['openid']['gender'] = $_GET['openid_sreg_gender'];
}
// Were we just verifying the registration state?
if (isset($_GET['sa']) && $_GET['sa'] == 'register2') {
require_once CONTROLLERDIR . '/Register.controller.php';
$controller = new Register_Controller();
return $controller->action_register2(true);
} else {
redirectexit('action=register');
}
} elseif (isset($_GET['sa']) && $_GET['sa'] == 'revalidate' && $user_settings['openid_uri'] == $openid_uri) {
$_SESSION['openid_revalidate_time'] = time();
// Restore the get data.
require_once SUBSDIR . '/Auth.subs.php';
$_SESSION['openid']['saved_data'][$_GET['t']]['get']['openid_restore_post'] = $_GET['t'];
$query_string = construct_query_string($_SESSION['openid']['saved_data'][$_GET['t']]['get']);
redirectexit($query_string);
} else {
$user_settings = $member_found;
// @Todo: this seems outdated?
$user_settings['passwd'] = sha1(strtolower($user_settings['member_name']) . $secret);
$user_settings['password_salt'] = substr(md5(mt_rand()), 0, 4);
updateMemberData($user_settings['id_member'], array('passwd' => $user_settings['passwd'], 'password_salt' => $user_settings['password_salt']));
// Cleanup on Aisle 5.
$_SESSION['openid'] = array('verified' => true, 'openid_uri' => $context['openid_claimed_id']);
require_once CONTROLLERDIR . '/Auth.controller.php';
// Activation required?
if (!checkActivation()) {
return;
}
// Finally do the login.
doLogin();
}
}
function smf_openID_return()
{
global $smcFunc, $user_info, $user_profile, $sourcedir, $modSettings, $context, $sc, $user_settings;
// Is OpenID even enabled?
if (empty($modSettings['enableOpenID'])) {
fatal_lang_error('no_access', false);
}
if (!isset($_GET['openid_mode'])) {
fatal_lang_error('openid_return_no_mode', false);
}
// @todo Check for error status!
if ($_GET['openid_mode'] != 'id_res') {
fatal_lang_error('openid_not_resolved');
}
// SMF has this annoying habit of removing the + from the base64 encoding. So lets put them back.
foreach (array('openid_assoc_handle', 'openid_invalidate_handle', 'openid_sig', 'sf') as $key) {
if (isset($_GET[$key])) {
$_GET[$key] = str_replace(' ', '+', $_GET[$key]);
}
}
// Did they tell us to remove any associations?
if (!empty($_GET['openid_invalidate_handle'])) {
smf_openid_removeAssociation($_GET['openid_invalidate_handle']);
}
$server_info = smf_openid_getServerInfo($_GET['openid_identity']);
// Get the association data.
$assoc = smf_openID_getAssociation($server_info['server'], $_GET['openid_assoc_handle'], true);
if ($assoc === null) {
fatal_lang_error('openid_no_assoc');
}
$secret = base64_decode($assoc['secret']);
$signed = explode(',', $_GET['openid_signed']);
$verify_str = '';
foreach ($signed as $sign) {
$verify_str .= $sign . ':' . strtr($_GET['openid_' . str_replace('.', '_', $sign)], array('&' => '&')) . "\n";
}
$verify_str = base64_encode(sha1_hmac($verify_str, $secret));
if ($verify_str != $_GET['openid_sig']) {
fatal_lang_error('openid_sig_invalid', 'critical');
}
if (!isset($_SESSION['openid']['saved_data'][$_GET['t']])) {
fatal_lang_error('openid_load_data');
}
$openid_uri = $_SESSION['openid']['saved_data'][$_GET['t']]['openid_uri'];
$modSettings['cookieTime'] = $_SESSION['openid']['saved_data'][$_GET['t']]['cookieTime'];
if (empty($openid_uri)) {
fatal_lang_error('openid_load_data');
}
// Any save fields to restore?
$context['openid_save_fields'] = isset($_GET['sf']) ? unserialize(base64_decode($_GET['sf'])) : array();
// Is there a user with this OpenID_uri?
$result = $smcFunc['db_query']('', '
SELECT passwd, id_member, id_group, lngfile, is_activated, email_address, additional_groups, member_name, password_salt,
openid_uri
FROM {db_prefix}members
WHERE openid_uri = {string:openid_uri}', array('openid_uri' => $openid_uri));
$member_found = $smcFunc['db_num_rows']($result);
if (!$member_found && isset($_GET['sa']) && $_GET['sa'] == 'change_uri' && !empty($_SESSION['new_openid_uri']) && $_SESSION['new_openid_uri'] == $openid_uri) {
// Update the member.
updateMemberData($user_settings['id_member'], array('openid_uri' => $openid_uri));
unset($_SESSION['new_openid_uri']);
$_SESSION['openid'] = array('verified' => true, 'openid_uri' => $openid_uri);
// Send them back to profile.
redirectexit('action=profile;area=authentication;updated');
} elseif (!$member_found) {
// Store the received openid info for the user when returned to the registration page.
$_SESSION['openid'] = array('verified' => true, 'openid_uri' => $openid_uri);
if (isset($_GET['openid_sreg_nickname'])) {
$_SESSION['openid']['nickname'] = $_GET['openid_sreg_nickname'];
}
if (isset($_GET['openid_sreg_email'])) {
$_SESSION['openid']['email'] = $_GET['openid_sreg_email'];
}
if (isset($_GET['openid_sreg_dob'])) {
$_SESSION['openid']['dob'] = $_GET['openid_sreg_dob'];
}
if (isset($_GET['openid_sreg_gender'])) {
$_SESSION['openid']['gender'] = $_GET['openid_sreg_gender'];
}
// Were we just verifying the registration state?
if (isset($_GET['sa']) && $_GET['sa'] == 'register2') {
require_once $sourcedir . '/Register.php';
return Register2(true);
} else {
redirectexit('action=register');
}
} elseif (isset($_GET['sa']) && $_GET['sa'] == 'revalidate' && $user_settings['openid_uri'] == $openid_uri) {
$_SESSION['openid_revalidate_time'] = time();
// Restore the get data.
require_once $sourcedir . '/Subs-Auth.php';
$_SESSION['openid']['saved_data'][$_GET['t']]['get']['openid_restore_post'] = $_GET['t'];
$query_string = construct_query_string($_SESSION['openid']['saved_data'][$_GET['t']]['get']);
redirectexit($query_string);
} else {
$user_settings = $smcFunc['db_fetch_assoc']($result);
$smcFunc['db_free_result']($result);
$user_settings['passwd'] = sha1(strtolower($user_settings['member_name']) . $secret);
$user_settings['password_salt'] = substr(md5(mt_rand()), 0, 4);
updateMemberData($user_settings['id_member'], array('passwd' => $user_settings['passwd'], 'password_salt' => $user_settings['password_salt']));
// Cleanup on Aisle 5.
$_SESSION['openid'] = array('verified' => true, 'openid_uri' => $openid_uri);
require_once $sourcedir . '/LogInOut.php';
if (!checkActivation()) {
return;
}
DoLogin();
}
}
/**
* Attempt to authenticate them with HybridAuth
*
* What it does:
* - takes the provider ID from GET var and attempts HybridAuth login.
*/
public function action_extlogin()
{
global $context, $user_settings, $user_info, $modSettings;
require_once SUBSDIR . '/Extauth.subs.php';
// No provider? Not the user's fault. Silently go back to login.
if (!isset($_GET['provider'])) {
redirectexit('action=login');
}
// Include the HybridAuth external libaray and configuration
$config = EXTDIR . '/hybridauth/config.php';
require_once EXTDIR . '/hybridauth/Hybrid/Auth.php';
try {
$hybridauth = new Hybrid_Auth($config);
// If it exists, go ahead and try it
$provider = $_GET['provider'];
$adapter = $hybridauth->authenticate($provider);
$profile = $adapter->getUserProfile();
$member_found = memberByExtUID($provider, $profile->identifier);
// Test here whether it already exists or not and if so, login the user
if ($member_found) {
// Here, stuff happens to log the person in
$user_settings = $member_found;
require_once CONTROLLERDIR . '/Auth.controller.php';
// Activation required?
if (!checkActivation()) {
return;
}
// And then do the login. Bye!
doLogin();
} elseif (isset($_GET['member'])) {
checkSession('get');
$member = $_GET['member'];
// Create an authentication
addAuth($member, $provider, $profile->identifier, $profile->displayName);
redirectexit('action=profile;area=extauth');
} else {
$_SESSION['extauth_info'] = array('provider' => $provider, 'uid' => $profile->identifier, 'name' => $profile->displayName);
redirectexit('action=extauth;sa=register;provider=' . $provider);
}
} catch (Exception $e) {
// In case we have errors 6 or 7, then we have to use Hybrid_Provider_Adapter::logout() to
// let hybridauth forget all about the user so we can try to authenticate again.
// Display the received error,
// to know more please refer to Exceptions handling section on the userguide
switch ($e->getCode()) {
case 0:
echo "Unspecified error.";
break;
case 1:
echo "Hybridauth configuration error.";
break;
case 2:
echo "Provider not properly configured.";
break;
case 3:
redirectexit('action=login');
break;
// Unknown or disabled provider
// Unknown or disabled provider
case 4:
echo "Missing provider application credentials.";
break;
case 5:
echo "Authentication failed. " . "The user has canceled the authentication or the provider refused the connection.";
break;
case 6:
echo "User profile request failed. Most likely the user is not connected " . "to the provider and he should to authenticate again.";
$adapter->logout();
break;
case 7:
echo "User not connected to the provider.";
$adapter->logout();
break;
case 8:
echo "Provider does not support this feature.";
break;
}
}
}