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<?php |
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/** |
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* This file has the very important job of ensuring forum security. |
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* This task includes banning and permissions, namely. |
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* |
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* Simple Machines Forum (SMF) |
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* |
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* @package SMF |
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* @author Simple Machines https://www.simplemachines.org |
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* @copyright 2021 Simple Machines and individual contributors |
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* @license https://www.simplemachines.org/about/smf/license.php BSD |
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* |
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* @version 2.1 RC4 |
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*/ |
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if (!defined('SMF')) |
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die('No direct access...'); |
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/** |
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* Check if the user is who he/she says he is |
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* Makes sure the user is who they claim to be by requiring a password to be typed in every hour. |
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* Is turned on and off by the securityDisable setting. |
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* Uses the adminLogin() function of Subs-Auth.php if they need to login, which saves all request (post and get) data. |
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* |
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* @param string $type What type of session this is |
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* @param string $force When true, require a password even if we normally wouldn't |
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* @return void|string Returns 'session_verify_fail' if verification failed |
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*/ |
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function validateSession($type = 'admin', $force = false) |
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{ |
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global $modSettings, $sourcedir, $user_info; |
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// We don't care if the option is off, because Guests should NEVER get past here. |
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is_not_guest(); |
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// Validate what type of session check this is. |
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$types = array(); |
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call_integration_hook('integrate_validateSession', array(&$types)); |
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$type = in_array($type, $types) || $type == 'moderate' ? $type : 'admin'; |
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// If we're using XML give an additional ten minutes grace as an admin can't log on in XML mode. |
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$refreshTime = isset($_GET['xml']) ? 4200 : 3600; |
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if (empty($force)) |
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{ |
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// Is the security option off? |
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if (!empty($modSettings['securityDisable' . ($type != 'admin' ? '_' . $type : '')])) |
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return; |
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// Or are they already logged in?, Moderator or admin session is need for this area |
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if ((!empty($_SESSION[$type . '_time']) && $_SESSION[$type . '_time'] + $refreshTime >= time()) || (!empty($_SESSION['admin_time']) && $_SESSION['admin_time'] + $refreshTime >= time())) |
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return; |
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} |
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require_once($sourcedir . '/Subs-Auth.php'); |
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// Posting the password... check it. |
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if (isset($_POST[$type . '_pass'])) |
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{ |
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// Check to ensure we're forcing SSL for authentication |
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if (!empty($modSettings['force_ssl']) && empty($maintenance) && !httpsOn()) |
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fatal_lang_error('login_ssl_required'); |
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checkSession(); |
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$good_password = in_array(true, call_integration_hook('integrate_verify_password', array($user_info['username'], $_POST[$type . '_pass'], false)), true); |
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// Password correct? |
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if ($good_password || hash_verify_password($user_info['username'], $_POST[$type . '_pass'], $user_info['passwd'])) |
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{ |
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$_SESSION[$type . '_time'] = time(); |
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unset($_SESSION['request_referer']); |
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return; |
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} |
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} |
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// Better be sure to remember the real referer |
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if (empty($_SESSION['request_referer'])) |
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$_SESSION['request_referer'] = isset($_SERVER['HTTP_REFERER']) ? @parse_iri($_SERVER['HTTP_REFERER']) : array(); |
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elseif (empty($_POST)) |
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unset($_SESSION['request_referer']); |
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// Need to type in a password for that, man. |
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if (!isset($_GET['xml'])) |
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adminLogin($type); |
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else |
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return 'session_verify_fail'; |
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} |
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/** |
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* Require a user who is logged in. (not a guest.) |
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* Checks if the user is currently a guest, and if so asks them to login with a message telling them why. |
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* Message is what to tell them when asking them to login. |
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* |
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* @param string $message The message to display to the guest |
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*/ |
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function is_not_guest($message = '') |
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{ |
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global $user_info, $txt, $context, $scripturl, $modSettings; |
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// Luckily, this person isn't a guest. |
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if (!$user_info['is_guest']) |
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return; |
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// Log what they were trying to do didn't work) |
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if (!empty($modSettings['who_enabled'])) |
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$_GET['error'] = 'guest_login'; |
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writeLog(true); |
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// Just die. |
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if (isset($_REQUEST['xml'])) |
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obExit(false); |
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// Attempt to detect if they came from dlattach. |
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if (SMF != 'SSI' && empty($context['theme_loaded'])) |
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loadTheme(); |
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// Never redirect to an attachment |
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if (strpos($_SERVER['REQUEST_URL'], 'dlattach') === false) |
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$_SESSION['login_url'] = $_SERVER['REQUEST_URL']; |
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// Load the Login template and language file. |
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loadLanguage('Login'); |
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// Apparently we're not in a position to handle this now. Let's go to a safer location for now. |
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if (empty($context['template_layers'])) |
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{ |
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$_SESSION['login_url'] = $scripturl . '?' . $_SERVER['QUERY_STRING']; |
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redirectexit('action=login'); |
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} |
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else |
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{ |
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loadTemplate('Login'); |
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$context['sub_template'] = 'kick_guest'; |
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$context['robot_no_index'] = true; |
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} |
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// Use the kick_guest sub template... |
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$context['kick_message'] = $message; |
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$context['page_title'] = $txt['login']; |
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obExit(); |
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// We should never get to this point, but if we did we wouldn't know the user isn't a guest. |
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trigger_error('Hacking attempt...', E_USER_ERROR); |
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} |
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/** |
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* Do banning related stuff. (ie. disallow access....) |
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* Checks if the user is banned, and if so dies with an error. |
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* Caches this information for optimization purposes. |
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* |
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* @param bool $forceCheck Whether to force a recheck |
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*/ |
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function is_not_banned($forceCheck = false) |
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{ |
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global $txt, $modSettings, $context, $user_info; |
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global $sourcedir, $cookiename, $user_settings, $smcFunc; |
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// You cannot be banned if you are an admin - doesn't help if you log out. |
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if ($user_info['is_admin']) |
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return; |
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// Only check the ban every so often. (to reduce load.) |
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if ($forceCheck || !isset($_SESSION['ban']) || empty($modSettings['banLastUpdated']) || ($_SESSION['ban']['last_checked'] < $modSettings['banLastUpdated']) || $_SESSION['ban']['id_member'] != $user_info['id'] || $_SESSION['ban']['ip'] != $user_info['ip'] || $_SESSION['ban']['ip2'] != $user_info['ip2'] || (isset($user_info['email'], $_SESSION['ban']['email']) && $_SESSION['ban']['email'] != $user_info['email'])) |
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{ |
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// Innocent until proven guilty. (but we know you are! :P) |
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$_SESSION['ban'] = array( |
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'last_checked' => time(), |
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'id_member' => $user_info['id'], |
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'ip' => $user_info['ip'], |
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'ip2' => $user_info['ip2'], |
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'email' => $user_info['email'], |
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); |
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$ban_query = array(); |
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$ban_query_vars = array('current_time' => time()); |
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$flag_is_activated = false; |
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// Check both IP addresses. |
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foreach (array('ip', 'ip2') as $ip_number) |
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{ |
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if ($ip_number == 'ip2' && $user_info['ip2'] == $user_info['ip']) |
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continue; |
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$ban_query[] = ' {inet:' . $ip_number . '} BETWEEN bi.ip_low and bi.ip_high'; |
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$ban_query_vars[$ip_number] = $user_info[$ip_number]; |
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// IP was valid, maybe there's also a hostname... |
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if (empty($modSettings['disableHostnameLookup']) && $user_info[$ip_number] != 'unknown') |
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{ |
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$hostname = host_from_ip($user_info[$ip_number]); |
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if (strlen($hostname) > 0) |
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{ |
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$ban_query[] = '({string:hostname' . $ip_number . '} LIKE bi.hostname)'; |
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$ban_query_vars['hostname' . $ip_number] = $hostname; |
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} |
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} |
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} |
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// Is their email address banned? |
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if (strlen($user_info['email']) != 0) |
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{ |
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$ban_query[] = '({string:email} LIKE bi.email_address)'; |
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$ban_query_vars['email'] = $user_info['email']; |
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} |
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// How about this user? |
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if (!$user_info['is_guest'] && !empty($user_info['id'])) |
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{ |
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$ban_query[] = 'bi.id_member = {int:id_member}'; |
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$ban_query_vars['id_member'] = $user_info['id']; |
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} |
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// Check the ban, if there's information. |
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if (!empty($ban_query)) |
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{ |
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$restrictions = array( |
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'cannot_access', |
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'cannot_login', |
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'cannot_post', |
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'cannot_register', |
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); |
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$request = $smcFunc['db_query']('', ' |
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SELECT bi.id_ban, bi.email_address, bi.id_member, bg.cannot_access, bg.cannot_register, |
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bg.cannot_post, bg.cannot_login, bg.reason, COALESCE(bg.expire_time, 0) AS expire_time |
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FROM {db_prefix}ban_items AS bi |
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INNER JOIN {db_prefix}ban_groups AS bg ON (bg.id_ban_group = bi.id_ban_group AND (bg.expire_time IS NULL OR bg.expire_time > {int:current_time})) |
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WHERE |
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(' . implode(' OR ', $ban_query) . ')', |
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$ban_query_vars |
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); |
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// Store every type of ban that applies to you in your session. |
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while ($row = $smcFunc['db_fetch_assoc']($request)) |
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{ |
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foreach ($restrictions as $restriction) |
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if (!empty($row[$restriction])) |
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{ |
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$_SESSION['ban'][$restriction]['reason'] = $row['reason']; |
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$_SESSION['ban'][$restriction]['ids'][] = $row['id_ban']; |
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if (!isset($_SESSION['ban']['expire_time']) || ($_SESSION['ban']['expire_time'] != 0 && ($row['expire_time'] == 0 || $row['expire_time'] > $_SESSION['ban']['expire_time']))) |
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$_SESSION['ban']['expire_time'] = $row['expire_time']; |
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if (!$user_info['is_guest'] && $restriction == 'cannot_access' && ($row['id_member'] == $user_info['id'] || $row['email_address'] == $user_info['email'])) |
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$flag_is_activated = true; |
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} |
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} |
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$smcFunc['db_free_result']($request); |
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} |
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// Mark the cannot_access and cannot_post bans as being 'hit'. |
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if (isset($_SESSION['ban']['cannot_access']) || isset($_SESSION['ban']['cannot_post']) || isset($_SESSION['ban']['cannot_login'])) |
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log_ban(array_merge(isset($_SESSION['ban']['cannot_access']) ? $_SESSION['ban']['cannot_access']['ids'] : array(), isset($_SESSION['ban']['cannot_post']) ? $_SESSION['ban']['cannot_post']['ids'] : array(), isset($_SESSION['ban']['cannot_login']) ? $_SESSION['ban']['cannot_login']['ids'] : array())); |
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// If for whatever reason the is_activated flag seems wrong, do a little work to clear it up. |
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if ($user_info['id'] && (($user_settings['is_activated'] >= 10 && !$flag_is_activated) |
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|| ($user_settings['is_activated'] < 10 && $flag_is_activated))) |
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{ |
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require_once($sourcedir . '/ManageBans.php'); |
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updateBanMembers(); |
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} |
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} |
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// Hey, I know you! You're ehm... |
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if (!isset($_SESSION['ban']['cannot_access']) && !empty($_COOKIE[$cookiename . '_'])) |
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{ |
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$bans = explode(',', $_COOKIE[$cookiename . '_']); |
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foreach ($bans as $key => $value) |
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$bans[$key] = (int) $value; |
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$request = $smcFunc['db_query']('', ' |
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SELECT bi.id_ban, bg.reason, COALESCE(bg.expire_time, 0) AS expire_time |
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FROM {db_prefix}ban_items AS bi |
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INNER JOIN {db_prefix}ban_groups AS bg ON (bg.id_ban_group = bi.id_ban_group) |
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WHERE bi.id_ban IN ({array_int:ban_list}) |
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AND (bg.expire_time IS NULL OR bg.expire_time > {int:current_time}) |
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AND bg.cannot_access = {int:cannot_access} |
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LIMIT {int:limit}', |
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array( |
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'cannot_access' => 1, |
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'ban_list' => $bans, |
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'current_time' => time(), |
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'limit' => count($bans), |
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) |
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); |
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while ($row = $smcFunc['db_fetch_assoc']($request)) |
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{ |
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$_SESSION['ban']['cannot_access']['ids'][] = $row['id_ban']; |
|
287
|
|
|
$_SESSION['ban']['cannot_access']['reason'] = $row['reason']; |
|
288
|
|
|
$_SESSION['ban']['expire_time'] = $row['expire_time']; |
|
289
|
|
|
} |
|
290
|
|
|
$smcFunc['db_free_result']($request); |
|
291
|
|
|
|
|
292
|
|
|
// My mistake. Next time better. |
|
293
|
|
|
if (!isset($_SESSION['ban']['cannot_access'])) |
|
294
|
|
|
{ |
|
295
|
|
|
require_once($sourcedir . '/Subs-Auth.php'); |
|
296
|
|
|
$cookie_url = url_parts(!empty($modSettings['localCookies']), !empty($modSettings['globalCookies'])); |
|
297
|
|
|
smf_setcookie($cookiename . '_', '', time() - 3600, $cookie_url[1], $cookie_url[0], false, false); |
|
298
|
|
|
} |
|
299
|
|
|
} |
|
300
|
|
|
|
|
301
|
|
|
// If you're fully banned, it's end of the story for you. |
|
302
|
|
|
if (isset($_SESSION['ban']['cannot_access'])) |
|
303
|
|
|
{ |
|
304
|
|
|
// We don't wanna see you! |
|
305
|
|
|
if (!$user_info['is_guest']) |
|
306
|
|
|
$smcFunc['db_query']('', ' |
|
307
|
|
|
DELETE FROM {db_prefix}log_online |
|
308
|
|
|
WHERE id_member = {int:current_member}', |
|
309
|
|
|
array( |
|
310
|
|
|
'current_member' => $user_info['id'], |
|
311
|
|
|
) |
|
312
|
|
|
); |
|
313
|
|
|
|
|
314
|
|
|
// 'Log' the user out. Can't have any funny business... (save the name!) |
|
315
|
|
|
$old_name = isset($user_info['name']) && $user_info['name'] != '' ? $user_info['name'] : $txt['guest_title']; |
|
316
|
|
|
$user_info['name'] = ''; |
|
317
|
|
|
$user_info['username'] = ''; |
|
318
|
|
|
$user_info['is_guest'] = true; |
|
319
|
|
|
$user_info['is_admin'] = false; |
|
320
|
|
|
$user_info['permissions'] = array(); |
|
321
|
|
|
$user_info['id'] = 0; |
|
322
|
|
|
$context['user'] = array( |
|
323
|
|
|
'id' => 0, |
|
324
|
|
|
'username' => '', |
|
325
|
|
|
'name' => $txt['guest_title'], |
|
326
|
|
|
'is_guest' => true, |
|
327
|
|
|
'is_logged' => false, |
|
328
|
|
|
'is_admin' => false, |
|
329
|
|
|
'is_mod' => false, |
|
330
|
|
|
'can_mod' => false, |
|
331
|
|
|
'language' => $user_info['language'], |
|
332
|
|
|
); |
|
333
|
|
|
|
|
334
|
|
|
// A goodbye present. |
|
335
|
|
|
require_once($sourcedir . '/Subs-Auth.php'); |
|
336
|
|
|
require_once($sourcedir . '/LogInOut.php'); |
|
337
|
|
|
$cookie_url = url_parts(!empty($modSettings['localCookies']), !empty($modSettings['globalCookies'])); |
|
338
|
|
|
smf_setcookie($cookiename . '_', implode(',', $_SESSION['ban']['cannot_access']['ids']), time() + 3153600, $cookie_url[1], $cookie_url[0], false, false); |
|
339
|
|
|
|
|
340
|
|
|
// Don't scare anyone, now. |
|
341
|
|
|
$_GET['action'] = ''; |
|
342
|
|
|
$_GET['board'] = ''; |
|
343
|
|
|
$_GET['topic'] = ''; |
|
344
|
|
|
writeLog(true); |
|
345
|
|
|
Logout(true, false); |
|
346
|
|
|
|
|
347
|
|
|
// You banned, sucka! |
|
348
|
|
|
fatal_error(sprintf($txt['your_ban'], $old_name) . (empty($_SESSION['ban']['cannot_access']['reason']) ? '' : '<br>' . $_SESSION['ban']['cannot_access']['reason']) . '<br>' . (!empty($_SESSION['ban']['expire_time']) ? sprintf($txt['your_ban_expires'], timeformat($_SESSION['ban']['expire_time'], false)) : $txt['your_ban_expires_never']), false, 403); |
|
349
|
|
|
|
|
350
|
|
|
// If we get here, something's gone wrong.... but let's try anyway. |
|
351
|
|
|
trigger_error('Hacking attempt...', E_USER_ERROR); |
|
352
|
|
|
} |
|
353
|
|
|
// You're not allowed to log in but yet you are. Let's fix that. |
|
354
|
|
|
elseif (isset($_SESSION['ban']['cannot_login']) && !$user_info['is_guest']) |
|
355
|
|
|
{ |
|
356
|
|
|
// We don't wanna see you! |
|
357
|
|
|
$smcFunc['db_query']('', ' |
|
358
|
|
|
DELETE FROM {db_prefix}log_online |
|
359
|
|
|
WHERE id_member = {int:current_member}', |
|
360
|
|
|
array( |
|
361
|
|
|
'current_member' => $user_info['id'], |
|
362
|
|
|
) |
|
363
|
|
|
); |
|
364
|
|
|
|
|
365
|
|
|
// 'Log' the user out. Can't have any funny business... (save the name!) |
|
366
|
|
|
$old_name = isset($user_info['name']) && $user_info['name'] != '' ? $user_info['name'] : $txt['guest_title']; |
|
367
|
|
|
$user_info['name'] = ''; |
|
368
|
|
|
$user_info['username'] = ''; |
|
369
|
|
|
$user_info['is_guest'] = true; |
|
370
|
|
|
$user_info['is_admin'] = false; |
|
371
|
|
|
$user_info['permissions'] = array(); |
|
372
|
|
|
$user_info['id'] = 0; |
|
373
|
|
|
$context['user'] = array( |
|
374
|
|
|
'id' => 0, |
|
375
|
|
|
'username' => '', |
|
376
|
|
|
'name' => $txt['guest_title'], |
|
377
|
|
|
'is_guest' => true, |
|
378
|
|
|
'is_logged' => false, |
|
379
|
|
|
'is_admin' => false, |
|
380
|
|
|
'is_mod' => false, |
|
381
|
|
|
'can_mod' => false, |
|
382
|
|
|
'language' => $user_info['language'], |
|
383
|
|
|
); |
|
384
|
|
|
|
|
385
|
|
|
// SMF's Wipe 'n Clean(r) erases all traces. |
|
386
|
|
|
$_GET['action'] = ''; |
|
387
|
|
|
$_GET['board'] = ''; |
|
388
|
|
|
$_GET['topic'] = ''; |
|
389
|
|
|
writeLog(true); |
|
390
|
|
|
|
|
391
|
|
|
require_once($sourcedir . '/LogInOut.php'); |
|
392
|
|
|
Logout(true, false); |
|
393
|
|
|
|
|
394
|
|
|
fatal_error(sprintf($txt['your_ban'], $old_name) . (empty($_SESSION['ban']['cannot_login']['reason']) ? '' : '<br>' . $_SESSION['ban']['cannot_login']['reason']) . '<br>' . (!empty($_SESSION['ban']['expire_time']) ? sprintf($txt['your_ban_expires'], timeformat($_SESSION['ban']['expire_time'], false)) : $txt['your_ban_expires_never']) . '<br>' . $txt['ban_continue_browse'], false, 403); |
|
395
|
|
|
} |
|
396
|
|
|
|
|
397
|
|
|
// Fix up the banning permissions. |
|
398
|
|
|
if (isset($user_info['permissions'])) |
|
399
|
|
|
banPermissions(); |
|
400
|
|
|
} |
|
401
|
|
|
|
|
402
|
|
|
/** |
|
403
|
|
|
* Fix permissions according to ban status. |
|
404
|
|
|
* Applies any states of banning by removing permissions the user cannot have. |
|
405
|
|
|
*/ |
|
406
|
|
|
function banPermissions() |
|
407
|
|
|
{ |
|
408
|
|
|
global $user_info, $sourcedir, $modSettings, $context; |
|
409
|
|
|
|
|
410
|
|
|
// Somehow they got here, at least take away all permissions... |
|
411
|
|
|
if (isset($_SESSION['ban']['cannot_access'])) |
|
412
|
|
|
$user_info['permissions'] = array(); |
|
413
|
|
|
// Okay, well, you can watch, but don't touch a thing. |
|
414
|
|
|
elseif (isset($_SESSION['ban']['cannot_post']) || (!empty($modSettings['warning_mute']) && $modSettings['warning_mute'] <= $user_info['warning'])) |
|
415
|
|
|
{ |
|
416
|
|
|
$denied_permissions = array( |
|
417
|
|
|
'pm_send', |
|
418
|
|
|
'calendar_post', 'calendar_edit_own', 'calendar_edit_any', |
|
419
|
|
|
'poll_post', |
|
420
|
|
|
'poll_add_own', 'poll_add_any', |
|
421
|
|
|
'poll_edit_own', 'poll_edit_any', |
|
422
|
|
|
'poll_lock_own', 'poll_lock_any', |
|
423
|
|
|
'poll_remove_own', 'poll_remove_any', |
|
424
|
|
|
'manage_attachments', 'manage_smileys', 'manage_boards', 'admin_forum', 'manage_permissions', |
|
425
|
|
|
'moderate_forum', 'manage_membergroups', 'manage_bans', 'send_mail', 'edit_news', |
|
426
|
|
|
'profile_identity_any', 'profile_extra_any', 'profile_title_any', |
|
427
|
|
|
'profile_forum_any', 'profile_other_any', 'profile_signature_any', |
|
428
|
|
|
'post_new', 'post_reply_own', 'post_reply_any', |
|
429
|
|
|
'delete_own', 'delete_any', 'delete_replies', |
|
430
|
|
|
'make_sticky', |
|
431
|
|
|
'merge_any', 'split_any', |
|
432
|
|
|
'modify_own', 'modify_any', 'modify_replies', |
|
433
|
|
|
'move_any', |
|
434
|
|
|
'lock_own', 'lock_any', |
|
435
|
|
|
'remove_own', 'remove_any', |
|
436
|
|
|
'post_unapproved_topics', 'post_unapproved_replies_own', 'post_unapproved_replies_any', |
|
437
|
|
|
); |
|
438
|
|
|
call_integration_hook('integrate_post_ban_permissions', array(&$denied_permissions)); |
|
439
|
|
|
$user_info['permissions'] = array_diff($user_info['permissions'], $denied_permissions); |
|
440
|
|
|
} |
|
441
|
|
|
// Are they absolutely under moderation? |
|
442
|
|
|
elseif (!empty($modSettings['warning_moderate']) && $modSettings['warning_moderate'] <= $user_info['warning']) |
|
443
|
|
|
{ |
|
444
|
|
|
// Work out what permissions should change... |
|
445
|
|
|
$permission_change = array( |
|
446
|
|
|
'post_new' => 'post_unapproved_topics', |
|
447
|
|
|
'post_reply_own' => 'post_unapproved_replies_own', |
|
448
|
|
|
'post_reply_any' => 'post_unapproved_replies_any', |
|
449
|
|
|
'post_attachment' => 'post_unapproved_attachments', |
|
450
|
|
|
); |
|
451
|
|
|
call_integration_hook('integrate_warn_permissions', array(&$permission_change)); |
|
452
|
|
|
foreach ($permission_change as $old => $new) |
|
453
|
|
|
{ |
|
454
|
|
|
if (!in_array($old, $user_info['permissions'])) |
|
455
|
|
|
unset($permission_change[$old]); |
|
456
|
|
|
else |
|
457
|
|
|
$user_info['permissions'][] = $new; |
|
458
|
|
|
} |
|
459
|
|
|
$user_info['permissions'] = array_diff($user_info['permissions'], array_keys($permission_change)); |
|
460
|
|
|
} |
|
461
|
|
|
|
|
462
|
|
|
// @todo Find a better place to call this? Needs to be after permissions loaded! |
|
463
|
|
|
// Finally, some bits we cache in the session because it saves queries. |
|
464
|
|
|
if (isset($_SESSION['mc']) && $_SESSION['mc']['time'] > $modSettings['settings_updated'] && $_SESSION['mc']['id'] == $user_info['id']) |
|
465
|
|
|
$user_info['mod_cache'] = $_SESSION['mc']; |
|
466
|
|
|
else |
|
467
|
|
|
{ |
|
468
|
|
|
require_once($sourcedir . '/Subs-Auth.php'); |
|
469
|
|
|
rebuildModCache(); |
|
470
|
|
|
} |
|
471
|
|
|
|
|
472
|
|
|
// Now that we have the mod cache taken care of lets setup a cache for the number of mod reports still open |
|
473
|
|
|
if (isset($_SESSION['rc']['reports']) && isset($_SESSION['rc']['member_reports']) && $_SESSION['rc']['time'] > $modSettings['last_mod_report_action'] && $_SESSION['rc']['id'] == $user_info['id']) |
|
474
|
|
|
{ |
|
475
|
|
|
$context['open_mod_reports'] = $_SESSION['rc']['reports']; |
|
476
|
|
|
$context['open_member_reports'] = $_SESSION['rc']['member_reports']; |
|
477
|
|
|
} |
|
478
|
|
|
elseif ($_SESSION['mc']['bq'] != '0=1') |
|
479
|
|
|
{ |
|
480
|
|
|
require_once($sourcedir . '/Subs-ReportedContent.php'); |
|
481
|
|
|
$context['open_mod_reports'] = recountOpenReports('posts'); |
|
482
|
|
|
$context['open_member_reports'] = recountOpenReports('members'); |
|
483
|
|
|
} |
|
484
|
|
|
else |
|
485
|
|
|
{ |
|
486
|
|
|
$context['open_mod_reports'] = 0; |
|
487
|
|
|
$context['open_member_reports'] = 0; |
|
488
|
|
|
} |
|
489
|
|
|
} |
|
490
|
|
|
|
|
491
|
|
|
/** |
|
492
|
|
|
* Log a ban in the database. |
|
493
|
|
|
* Log the current user in the ban logs. |
|
494
|
|
|
* Increment the hit counters for the specified ban ID's (if any.) |
|
495
|
|
|
* |
|
496
|
|
|
* @param array $ban_ids The IDs of the bans |
|
497
|
|
|
* @param string $email The email address associated with the user that triggered this hit |
|
498
|
|
|
*/ |
|
499
|
|
|
function log_ban($ban_ids = array(), $email = null) |
|
500
|
|
|
{ |
|
501
|
|
|
global $user_info, $smcFunc; |
|
502
|
|
|
|
|
503
|
|
|
// Don't log web accelerators, it's very confusing... |
|
504
|
|
|
if (isset($_SERVER['HTTP_X_MOZ']) && $_SERVER['HTTP_X_MOZ'] == 'prefetch') |
|
505
|
|
|
return; |
|
506
|
|
|
|
|
507
|
|
|
$smcFunc['db_insert']('', |
|
508
|
|
|
'{db_prefix}log_banned', |
|
509
|
|
|
array('id_member' => 'int', 'ip' => 'inet', 'email' => 'string', 'log_time' => 'int'), |
|
510
|
|
|
array($user_info['id'], $user_info['ip'], ($email === null ? ($user_info['is_guest'] ? '' : $user_info['email']) : $email), time()), |
|
511
|
|
|
array('id_ban_log') |
|
512
|
|
|
); |
|
513
|
|
|
|
|
514
|
|
|
// One extra point for these bans. |
|
515
|
|
|
if (!empty($ban_ids)) |
|
516
|
|
|
$smcFunc['db_query']('', ' |
|
517
|
|
|
UPDATE {db_prefix}ban_items |
|
518
|
|
|
SET hits = hits + 1 |
|
519
|
|
|
WHERE id_ban IN ({array_int:ban_ids})', |
|
520
|
|
|
array( |
|
521
|
|
|
'ban_ids' => $ban_ids, |
|
522
|
|
|
) |
|
523
|
|
|
); |
|
524
|
|
|
} |
|
525
|
|
|
|
|
526
|
|
|
/** |
|
527
|
|
|
* Checks if a given email address might be banned. |
|
528
|
|
|
* Check if a given email is banned. |
|
529
|
|
|
* Performs an immediate ban if the turns turns out positive. |
|
530
|
|
|
* |
|
531
|
|
|
* @param string $email The email to check |
|
532
|
|
|
* @param string $restriction What type of restriction (cannot_post, cannot_register, etc.) |
|
533
|
|
|
* @param string $error The error message to display if they are indeed banned |
|
534
|
|
|
*/ |
|
535
|
|
|
function isBannedEmail($email, $restriction, $error) |
|
536
|
|
|
{ |
|
537
|
|
|
global $txt, $smcFunc; |
|
538
|
|
|
|
|
539
|
|
|
// Can't ban an empty email |
|
540
|
|
|
if (empty($email) || trim($email) == '') |
|
541
|
|
|
return; |
|
542
|
|
|
|
|
543
|
|
|
// Let's start with the bans based on your IP/hostname/memberID... |
|
544
|
|
|
$ban_ids = isset($_SESSION['ban'][$restriction]) ? $_SESSION['ban'][$restriction]['ids'] : array(); |
|
545
|
|
|
$ban_reason = isset($_SESSION['ban'][$restriction]) ? $_SESSION['ban'][$restriction]['reason'] : ''; |
|
546
|
|
|
|
|
547
|
|
|
// ...and add to that the email address you're trying to register. |
|
548
|
|
|
$request = $smcFunc['db_query']('', ' |
|
549
|
|
|
SELECT bi.id_ban, bg.' . $restriction . ', bg.cannot_access, bg.reason |
|
550
|
|
|
FROM {db_prefix}ban_items AS bi |
|
551
|
|
|
INNER JOIN {db_prefix}ban_groups AS bg ON (bg.id_ban_group = bi.id_ban_group) |
|
552
|
|
|
WHERE {string:email} LIKE bi.email_address |
|
553
|
|
|
AND (bg.' . $restriction . ' = {int:cannot_access} OR bg.cannot_access = {int:cannot_access}) |
|
554
|
|
|
AND (bg.expire_time IS NULL OR bg.expire_time >= {int:now})', |
|
555
|
|
|
array( |
|
556
|
|
|
'email' => $email, |
|
557
|
|
|
'cannot_access' => 1, |
|
558
|
|
|
'now' => time(), |
|
559
|
|
|
) |
|
560
|
|
|
); |
|
561
|
|
|
while ($row = $smcFunc['db_fetch_assoc']($request)) |
|
562
|
|
|
{ |
|
563
|
|
|
if (!empty($row['cannot_access'])) |
|
564
|
|
|
{ |
|
565
|
|
|
$_SESSION['ban']['cannot_access']['ids'][] = $row['id_ban']; |
|
566
|
|
|
$_SESSION['ban']['cannot_access']['reason'] = $row['reason']; |
|
567
|
|
|
} |
|
568
|
|
|
if (!empty($row[$restriction])) |
|
569
|
|
|
{ |
|
570
|
|
|
$ban_ids[] = $row['id_ban']; |
|
571
|
|
|
$ban_reason = $row['reason']; |
|
572
|
|
|
} |
|
573
|
|
|
} |
|
574
|
|
|
$smcFunc['db_free_result']($request); |
|
575
|
|
|
|
|
576
|
|
|
// You're in biiig trouble. Banned for the rest of this session! |
|
577
|
|
|
if (isset($_SESSION['ban']['cannot_access'])) |
|
578
|
|
|
{ |
|
579
|
|
|
log_ban($_SESSION['ban']['cannot_access']['ids']); |
|
580
|
|
|
$_SESSION['ban']['last_checked'] = time(); |
|
581
|
|
|
|
|
582
|
|
|
fatal_error(sprintf($txt['your_ban'], $txt['guest_title']) . $_SESSION['ban']['cannot_access']['reason'], false); |
|
583
|
|
|
} |
|
584
|
|
|
|
|
585
|
|
|
if (!empty($ban_ids)) |
|
586
|
|
|
{ |
|
587
|
|
|
// Log this ban for future reference. |
|
588
|
|
|
log_ban($ban_ids, $email); |
|
589
|
|
|
fatal_error($error . $ban_reason, false); |
|
590
|
|
|
} |
|
591
|
|
|
} |
|
592
|
|
|
|
|
593
|
|
|
/** |
|
594
|
|
|
* Make sure the user's correct session was passed, and they came from here. |
|
595
|
|
|
* Checks the current session, verifying that the person is who he or she should be. |
|
596
|
|
|
* Also checks the referrer to make sure they didn't get sent here. |
|
597
|
|
|
* Depends on the disableCheckUA setting, which is usually missing. |
|
598
|
|
|
* Will check GET, POST, or REQUEST depending on the passed type. |
|
599
|
|
|
* Also optionally checks the referring action if passed. (note that the referring action must be by GET.) |
|
600
|
|
|
* |
|
601
|
|
|
* @param string $type The type of check (post, get, request) |
|
602
|
|
|
* @param string $from_action The action this is coming from |
|
603
|
|
|
* @param bool $is_fatal Whether to die with a fatal error if the check fails |
|
604
|
|
|
* @return string The error message if is_fatal is false. |
|
605
|
|
|
*/ |
|
606
|
|
|
function checkSession($type = 'post', $from_action = '', $is_fatal = true) |
|
607
|
|
|
{ |
|
608
|
|
|
global $context, $sc, $modSettings, $boardurl; |
|
609
|
|
|
|
|
610
|
|
|
// Is it in as $_POST['sc']? |
|
611
|
|
|
if ($type == 'post') |
|
612
|
|
|
{ |
|
613
|
|
|
$check = isset($_POST[$_SESSION['session_var']]) ? $_POST[$_SESSION['session_var']] : (empty($modSettings['strictSessionCheck']) && isset($_POST['sc']) ? $_POST['sc'] : null); |
|
614
|
|
|
if ($check !== $sc) |
|
615
|
|
|
$error = 'session_timeout'; |
|
616
|
|
|
} |
|
617
|
|
|
|
|
618
|
|
|
// How about $_GET['sesc']? |
|
619
|
|
|
elseif ($type == 'get') |
|
620
|
|
|
{ |
|
621
|
|
|
$check = isset($_GET[$_SESSION['session_var']]) ? $_GET[$_SESSION['session_var']] : (empty($modSettings['strictSessionCheck']) && isset($_GET['sesc']) ? $_GET['sesc'] : null); |
|
622
|
|
|
if ($check !== $sc) |
|
623
|
|
|
$error = 'session_verify_fail'; |
|
624
|
|
|
} |
|
625
|
|
|
|
|
626
|
|
|
// Or can it be in either? |
|
627
|
|
|
elseif ($type == 'request') |
|
628
|
|
|
{ |
|
629
|
|
|
$check = isset($_GET[$_SESSION['session_var']]) ? $_GET[$_SESSION['session_var']] : (empty($modSettings['strictSessionCheck']) && isset($_GET['sesc']) ? $_GET['sesc'] : (isset($_POST[$_SESSION['session_var']]) ? $_POST[$_SESSION['session_var']] : (empty($modSettings['strictSessionCheck']) && isset($_POST['sc']) ? $_POST['sc'] : null))); |
|
630
|
|
|
|
|
631
|
|
|
if ($check !== $sc) |
|
632
|
|
|
$error = 'session_verify_fail'; |
|
633
|
|
|
} |
|
634
|
|
|
|
|
635
|
|
|
// Verify that they aren't changing user agents on us - that could be bad. |
|
636
|
|
|
if ((!isset($_SESSION['USER_AGENT']) || $_SESSION['USER_AGENT'] != $_SERVER['HTTP_USER_AGENT']) && empty($modSettings['disableCheckUA'])) |
|
637
|
|
|
$error = 'session_verify_fail'; |
|
638
|
|
|
|
|
639
|
|
|
// Make sure a page with session check requirement is not being prefetched. |
|
640
|
|
|
if (isset($_SERVER['HTTP_X_MOZ']) && $_SERVER['HTTP_X_MOZ'] == 'prefetch') |
|
641
|
|
|
{ |
|
642
|
|
|
ob_end_clean(); |
|
643
|
|
|
send_http_status(403); |
|
644
|
|
|
die; |
|
|
|
|
|
|
645
|
|
|
} |
|
646
|
|
|
|
|
647
|
|
|
// Check the referring site - it should be the same server at least! |
|
648
|
|
|
if (isset($_SESSION['request_referer'])) |
|
649
|
|
|
$referrer = $_SESSION['request_referer']; |
|
650
|
|
|
else |
|
651
|
|
|
$referrer = isset($_SERVER['HTTP_REFERER']) ? @parse_url($_SERVER['HTTP_REFERER']) : array(); |
|
652
|
|
|
|
|
653
|
|
|
// Check the refer but if we have CORS enabled and it came from a trusted source, we can skip this check. |
|
654
|
|
|
if (!empty($referrer['host']) && (empty($modSettings['allow_cors']) || empty($context['valid_cors_found']) || !in_array($context['valid_cors_found'], array('same', 'subdomain')))) |
|
655
|
|
|
{ |
|
656
|
|
|
if (strpos($_SERVER['HTTP_HOST'], ':') !== false) |
|
657
|
|
|
$real_host = substr($_SERVER['HTTP_HOST'], 0, strpos($_SERVER['HTTP_HOST'], ':')); |
|
658
|
|
|
else |
|
659
|
|
|
$real_host = $_SERVER['HTTP_HOST']; |
|
660
|
|
|
|
|
661
|
|
|
$parsed_url = parse_iri($boardurl); |
|
662
|
|
|
|
|
663
|
|
|
// Are global cookies on? If so, let's check them ;). |
|
664
|
|
|
if (!empty($modSettings['globalCookies'])) |
|
665
|
|
|
{ |
|
666
|
|
|
if (preg_match('~(?:[^\.]+\.)?([^\.]{3,}\..+)\z~i', $parsed_url['host'], $parts) == 1) |
|
667
|
|
|
$parsed_url['host'] = $parts[1]; |
|
668
|
|
|
|
|
669
|
|
|
if (preg_match('~(?:[^\.]+\.)?([^\.]{3,}\..+)\z~i', $referrer['host'], $parts) == 1) |
|
670
|
|
|
$referrer['host'] = $parts[1]; |
|
671
|
|
|
|
|
672
|
|
|
if (preg_match('~(?:[^\.]+\.)?([^\.]{3,}\..+)\z~i', $real_host, $parts) == 1) |
|
673
|
|
|
$real_host = $parts[1]; |
|
674
|
|
|
} |
|
675
|
|
|
|
|
676
|
|
|
// Okay: referrer must either match parsed_url or real_host. |
|
677
|
|
|
if (isset($parsed_url['host']) && strtolower($referrer['host']) != strtolower($parsed_url['host']) && strtolower($referrer['host']) != strtolower($real_host)) |
|
678
|
|
|
{ |
|
679
|
|
|
$error = 'verify_url_fail'; |
|
680
|
|
|
$log_error = true; |
|
681
|
|
|
} |
|
682
|
|
|
} |
|
683
|
|
|
|
|
684
|
|
|
// Well, first of all, if a from_action is specified you'd better have an old_url. |
|
685
|
|
|
if (!empty($from_action) && (!isset($_SESSION['old_url']) || preg_match('~[?;&]action=' . $from_action . '([;&]|$)~', $_SESSION['old_url']) == 0)) |
|
686
|
|
|
{ |
|
687
|
|
|
$error = 'verify_url_fail'; |
|
688
|
|
|
$log_error = true; |
|
689
|
|
|
} |
|
690
|
|
|
|
|
691
|
|
|
if (strtolower($_SERVER['HTTP_USER_AGENT']) == 'hacker') |
|
692
|
|
|
fatal_error('Sound the alarm! It\'s a hacker! Close the castle gates!!', false); |
|
693
|
|
|
|
|
694
|
|
|
// Everything is ok, return an empty string. |
|
695
|
|
|
if (!isset($error)) |
|
696
|
|
|
return ''; |
|
697
|
|
|
// A session error occurred, show the error. |
|
698
|
|
|
elseif ($is_fatal) |
|
699
|
|
|
{ |
|
700
|
|
|
if (isset($_GET['xml'])) |
|
701
|
|
|
{ |
|
702
|
|
|
ob_end_clean(); |
|
703
|
|
|
send_http_status(403, 'Forbidden - Session timeout'); |
|
704
|
|
|
die; |
|
|
|
|
|
|
705
|
|
|
} |
|
706
|
|
|
else |
|
707
|
|
|
fatal_lang_error($error, isset($log_error) ? 'user' : false); |
|
708
|
|
|
} |
|
709
|
|
|
// A session error occurred, return the error to the calling function. |
|
710
|
|
|
else |
|
711
|
|
|
return $error; |
|
712
|
|
|
|
|
713
|
|
|
// We really should never fall through here, for very important reasons. Let's make sure. |
|
714
|
|
|
trigger_error('Hacking attempt...', E_USER_ERROR); |
|
715
|
|
|
} |
|
716
|
|
|
|
|
717
|
|
|
/** |
|
718
|
|
|
* Check if a specific confirm parameter was given. |
|
719
|
|
|
* |
|
720
|
|
|
* @param string $action The action we want to check against |
|
721
|
|
|
* @return bool|string True if the check passed or a token |
|
722
|
|
|
*/ |
|
723
|
|
|
function checkConfirm($action) |
|
724
|
|
|
{ |
|
725
|
|
|
global $modSettings, $smcFunc; |
|
726
|
|
|
|
|
727
|
|
|
if (isset($_GET['confirm']) && isset($_SESSION['confirm_' . $action]) && md5($_GET['confirm'] . $_SERVER['HTTP_USER_AGENT']) == $_SESSION['confirm_' . $action]) |
|
728
|
|
|
return true; |
|
729
|
|
|
|
|
730
|
|
|
else |
|
731
|
|
|
{ |
|
732
|
|
|
$token = md5($smcFunc['random_int']() . session_id() . (string) microtime() . $modSettings['rand_seed']); |
|
733
|
|
|
$_SESSION['confirm_' . $action] = md5($token . $_SERVER['HTTP_USER_AGENT']); |
|
734
|
|
|
|
|
735
|
|
|
return $token; |
|
736
|
|
|
} |
|
737
|
|
|
} |
|
738
|
|
|
|
|
739
|
|
|
/** |
|
740
|
|
|
* Lets give you a token of our appreciation. |
|
741
|
|
|
* |
|
742
|
|
|
* @param string $action The action to create the token for |
|
743
|
|
|
* @param string $type The type of token ('post', 'get' or 'request') |
|
744
|
|
|
* @return array An array containing the name of the token var and the actual token |
|
745
|
|
|
*/ |
|
746
|
|
|
function createToken($action, $type = 'post') |
|
747
|
|
|
{ |
|
748
|
|
|
global $modSettings, $context, $smcFunc; |
|
749
|
|
|
|
|
750
|
|
|
$token = md5($smcFunc['random_int']() . session_id() . (string) microtime() . $modSettings['rand_seed'] . $type); |
|
751
|
|
|
$token_var = substr(preg_replace('~^\d+~', '', md5($smcFunc['random_int']() . (string) microtime() . $smcFunc['random_int']())), 0, $smcFunc['random_int'](7, 12)); |
|
752
|
|
|
|
|
753
|
|
|
$_SESSION['token'][$type . '-' . $action] = array($token_var, md5($token . $_SERVER['HTTP_USER_AGENT']), time(), $token); |
|
754
|
|
|
|
|
755
|
|
|
$context[$action . '_token'] = $token; |
|
756
|
|
|
$context[$action . '_token_var'] = $token_var; |
|
757
|
|
|
|
|
758
|
|
|
return array($action . '_token_var' => $token_var, $action . '_token' => $token); |
|
759
|
|
|
} |
|
760
|
|
|
|
|
761
|
|
|
/** |
|
762
|
|
|
* Only patrons with valid tokens can ride this ride. |
|
763
|
|
|
* |
|
764
|
|
|
* @param string $action The action to validate the token for |
|
765
|
|
|
* @param string $type The type of request (get, request, or post) |
|
766
|
|
|
* @param bool $reset Whether to reset the token and display an error if validation fails |
|
767
|
|
|
* @return bool returns whether the validation was successful |
|
768
|
|
|
*/ |
|
769
|
|
|
function validateToken($action, $type = 'post', $reset = true) |
|
770
|
|
|
{ |
|
771
|
|
|
$type = $type == 'get' || $type == 'request' ? $type : 'post'; |
|
772
|
|
|
|
|
773
|
|
|
// This nasty piece of code validates a token. |
|
774
|
|
|
/* |
|
775
|
|
|
1. The token exists in session. |
|
776
|
|
|
2. The {$type} variable should exist. |
|
777
|
|
|
3. We concat the variable we received with the user agent |
|
778
|
|
|
4. Match that result against what is in the session. |
|
779
|
|
|
5. If it matches, success, otherwise we fallout. |
|
780
|
|
|
*/ |
|
781
|
|
|
if (isset($_SESSION['token'][$type . '-' . $action], $GLOBALS['_' . strtoupper($type)][$_SESSION['token'][$type . '-' . $action][0]]) && md5($GLOBALS['_' . strtoupper($type)][$_SESSION['token'][$type . '-' . $action][0]] . $_SERVER['HTTP_USER_AGENT']) === $_SESSION['token'][$type . '-' . $action][1]) |
|
782
|
|
|
{ |
|
783
|
|
|
// Invalidate this token now. |
|
784
|
|
|
unset($_SESSION['token'][$type . '-' . $action]); |
|
785
|
|
|
|
|
786
|
|
|
return true; |
|
787
|
|
|
} |
|
788
|
|
|
|
|
789
|
|
|
// Patrons with invalid tokens get the boot. |
|
790
|
|
|
if ($reset) |
|
791
|
|
|
{ |
|
792
|
|
|
// Might as well do some cleanup on this. |
|
793
|
|
|
cleanTokens(); |
|
794
|
|
|
|
|
795
|
|
|
// I'm back baby. |
|
796
|
|
|
createToken($action, $type); |
|
797
|
|
|
|
|
798
|
|
|
fatal_lang_error('token_verify_fail', false); |
|
799
|
|
|
} |
|
800
|
|
|
// Remove this token as its useless |
|
801
|
|
|
else |
|
802
|
|
|
unset($_SESSION['token'][$type . '-' . $action]); |
|
803
|
|
|
|
|
804
|
|
|
// Randomly check if we should remove some older tokens. |
|
805
|
|
|
if (mt_rand(0, 138) == 23) |
|
806
|
|
|
cleanTokens(); |
|
807
|
|
|
|
|
808
|
|
|
return false; |
|
809
|
|
|
} |
|
810
|
|
|
|
|
811
|
|
|
/** |
|
812
|
|
|
* Removes old unused tokens from session |
|
813
|
|
|
* defaults to 3 hours before a token is considered expired |
|
814
|
|
|
* if $complete = true will remove all tokens |
|
815
|
|
|
* |
|
816
|
|
|
* @param bool $complete Whether to remove all tokens or only expired ones |
|
817
|
|
|
*/ |
|
818
|
|
|
function cleanTokens($complete = false) |
|
819
|
|
|
{ |
|
820
|
|
|
// We appreciate cleaning up after yourselves. |
|
821
|
|
|
if (!isset($_SESSION['token'])) |
|
822
|
|
|
return; |
|
823
|
|
|
|
|
824
|
|
|
// Clean up tokens, trying to give enough time still. |
|
825
|
|
|
foreach ($_SESSION['token'] as $key => $data) |
|
826
|
|
|
if ($data[2] + 10800 < time() || $complete) |
|
827
|
|
|
unset($_SESSION['token'][$key]); |
|
828
|
|
|
} |
|
829
|
|
|
|
|
830
|
|
|
/** |
|
831
|
|
|
* Check whether a form has been submitted twice. |
|
832
|
|
|
* Registers a sequence number for a form. |
|
833
|
|
|
* Checks whether a submitted sequence number is registered in the current session. |
|
834
|
|
|
* Depending on the value of is_fatal shows an error or returns true or false. |
|
835
|
|
|
* Frees a sequence number from the stack after it's been checked. |
|
836
|
|
|
* Frees a sequence number without checking if action == 'free'. |
|
837
|
|
|
* |
|
838
|
|
|
* @param string $action The action - can be 'register', 'check' or 'free' |
|
839
|
|
|
* @param bool $is_fatal Whether to die with a fatal error |
|
840
|
|
|
* @return void|bool If the action isn't check, returns nothing, otherwise returns whether the check was successful |
|
841
|
|
|
*/ |
|
842
|
|
|
function checkSubmitOnce($action, $is_fatal = true) |
|
843
|
|
|
{ |
|
844
|
|
|
global $context, $txt; |
|
845
|
|
|
|
|
846
|
|
|
if (!isset($_SESSION['forms'])) |
|
847
|
|
|
$_SESSION['forms'] = array(); |
|
848
|
|
|
|
|
849
|
|
|
// Register a form number and store it in the session stack. (use this on the page that has the form.) |
|
850
|
|
|
if ($action == 'register') |
|
851
|
|
|
{ |
|
852
|
|
|
$context['form_sequence_number'] = 0; |
|
853
|
|
|
while (empty($context['form_sequence_number']) || in_array($context['form_sequence_number'], $_SESSION['forms'])) |
|
854
|
|
|
$context['form_sequence_number'] = mt_rand(1, 16000000); |
|
855
|
|
|
} |
|
856
|
|
|
// Check whether the submitted number can be found in the session. |
|
857
|
|
|
elseif ($action == 'check') |
|
858
|
|
|
{ |
|
859
|
|
|
if (!isset($_REQUEST['seqnum'])) |
|
860
|
|
|
return true; |
|
861
|
|
|
elseif (!in_array($_REQUEST['seqnum'], $_SESSION['forms'])) |
|
862
|
|
|
{ |
|
863
|
|
|
$_SESSION['forms'][] = (int) $_REQUEST['seqnum']; |
|
864
|
|
|
return true; |
|
865
|
|
|
} |
|
866
|
|
|
elseif ($is_fatal) |
|
867
|
|
|
fatal_lang_error('error_form_already_submitted', false); |
|
868
|
|
|
else |
|
869
|
|
|
return false; |
|
870
|
|
|
} |
|
871
|
|
|
// Don't check, just free the stack number. |
|
872
|
|
|
elseif ($action == 'free' && isset($_REQUEST['seqnum']) && in_array($_REQUEST['seqnum'], $_SESSION['forms'])) |
|
873
|
|
|
$_SESSION['forms'] = array_diff($_SESSION['forms'], array($_REQUEST['seqnum'])); |
|
874
|
|
|
elseif ($action != 'free') |
|
875
|
|
|
{ |
|
876
|
|
|
loadLanguage('Errors'); |
|
877
|
|
|
trigger_error(sprintf($txt['check_submit_once_invalid_action'], $action), E_USER_WARNING); |
|
878
|
|
|
} |
|
879
|
|
|
} |
|
880
|
|
|
|
|
881
|
|
|
/** |
|
882
|
|
|
* Check the user's permissions. |
|
883
|
|
|
* checks whether the user is allowed to do permission. (ie. post_new.) |
|
884
|
|
|
* If boards is specified, checks those boards instead of the current one. |
|
885
|
|
|
* If any is true, will return true if the user has the permission on any of the specified boards |
|
886
|
|
|
* Always returns true if the user is an administrator. |
|
887
|
|
|
* |
|
888
|
|
|
* @param string|array $permission A single permission to check or an array of permissions to check |
|
889
|
|
|
* @param int|array $boards The ID of a board or an array of board IDs if we want to check board-level permissions |
|
890
|
|
|
* @param bool $any Whether to check for permission on at least one board instead of all boards |
|
891
|
|
|
* @return bool Whether the user has the specified permission |
|
892
|
|
|
*/ |
|
893
|
|
|
function allowedTo($permission, $boards = null, $any = false) |
|
894
|
|
|
{ |
|
895
|
|
|
global $user_info, $smcFunc; |
|
896
|
|
|
static $perm_cache = array(); |
|
897
|
|
|
|
|
898
|
|
|
// You're always allowed to do nothing. (unless you're a working man, MR. LAZY :P!) |
|
899
|
|
|
if (empty($permission)) |
|
900
|
|
|
return true; |
|
901
|
|
|
|
|
902
|
|
|
// You're never allowed to do something if your data hasn't been loaded yet! |
|
903
|
|
|
if (empty($user_info) || !isset($user_info['permissions'])) |
|
904
|
|
|
return false; |
|
905
|
|
|
|
|
906
|
|
|
// Administrators are supermen :P. |
|
907
|
|
|
if ($user_info['is_admin']) |
|
908
|
|
|
return true; |
|
909
|
|
|
|
|
910
|
|
|
// Let's ensure this is an array. |
|
911
|
|
|
$permission = (array) $permission; |
|
912
|
|
|
|
|
913
|
|
|
// This should be a boolean. |
|
914
|
|
|
$any = (bool) $any; |
|
915
|
|
|
|
|
916
|
|
|
// Are we checking the _current_ board, or some other boards? |
|
917
|
|
|
if ($boards === null) |
|
918
|
|
|
{ |
|
919
|
|
|
$user_permissions = $user_info['permissions']; |
|
920
|
|
|
|
|
921
|
|
|
// Allow temporary overrides for general permissions? |
|
922
|
|
|
call_integration_hook('integrate_allowed_to_general', array(&$user_permissions, $permission)); |
|
923
|
|
|
|
|
924
|
|
|
if (count(array_intersect($permission, $user_permissions)) != 0) |
|
925
|
|
|
return true; |
|
926
|
|
|
// You aren't allowed, by default. |
|
927
|
|
|
else |
|
928
|
|
|
return false; |
|
929
|
|
|
} |
|
930
|
|
|
elseif (!is_array($boards)) |
|
931
|
|
|
$boards = array($boards); |
|
932
|
|
|
|
|
933
|
|
|
$cache_key = hash('md5', $user_info['id'] . '-' . implode(',', $permission) . '-' . implode(',', $boards) . '-' . (int) $any); |
|
934
|
|
|
|
|
935
|
|
|
if (isset($perm_cache[$cache_key])) |
|
936
|
|
|
return $perm_cache[$cache_key]; |
|
937
|
|
|
|
|
938
|
|
|
$request = $smcFunc['db_query']('', ' |
|
939
|
|
|
SELECT MIN(bp.add_deny) AS add_deny |
|
940
|
|
|
FROM {db_prefix}boards AS b |
|
941
|
|
|
INNER JOIN {db_prefix}board_permissions AS bp ON (bp.id_profile = b.id_profile) |
|
942
|
|
|
LEFT JOIN {db_prefix}moderators AS mods ON (mods.id_board = b.id_board AND mods.id_member = {int:current_member}) |
|
943
|
|
|
LEFT JOIN {db_prefix}moderator_groups AS modgs ON (modgs.id_board = b.id_board AND modgs.id_group IN ({array_int:group_list})) |
|
944
|
|
|
WHERE b.id_board IN ({array_int:board_list}) |
|
945
|
|
|
AND bp.id_group IN ({array_int:group_list}, {int:moderator_group}) |
|
946
|
|
|
AND bp.permission IN ({array_string:permission_list}) |
|
947
|
|
|
AND (mods.id_member IS NOT NULL OR modgs.id_group IS NOT NULL OR bp.id_group != {int:moderator_group}) |
|
948
|
|
|
GROUP BY b.id_board', |
|
949
|
|
|
array( |
|
950
|
|
|
'current_member' => $user_info['id'], |
|
951
|
|
|
'board_list' => $boards, |
|
952
|
|
|
'group_list' => $user_info['groups'], |
|
953
|
|
|
'moderator_group' => 3, |
|
954
|
|
|
'permission_list' => $permission, |
|
955
|
|
|
) |
|
956
|
|
|
); |
|
957
|
|
|
|
|
958
|
|
|
if ($any) |
|
959
|
|
|
{ |
|
960
|
|
|
$result = false; |
|
961
|
|
|
while ($row = $smcFunc['db_fetch_assoc']($request)) |
|
962
|
|
|
{ |
|
963
|
|
|
$result = !empty($row['add_deny']); |
|
964
|
|
|
if ($result == true) |
|
|
|
|
|
|
965
|
|
|
break; |
|
966
|
|
|
} |
|
967
|
|
|
$smcFunc['db_free_result']($request); |
|
968
|
|
|
$return = $result; |
|
969
|
|
|
} |
|
970
|
|
|
|
|
971
|
|
|
// Make sure they can do it on all of the boards. |
|
972
|
|
|
elseif ($smcFunc['db_num_rows']($request) != count($boards)) |
|
973
|
|
|
$return = false; |
|
974
|
|
|
|
|
975
|
|
|
else |
|
976
|
|
|
{ |
|
977
|
|
|
$result = true; |
|
978
|
|
|
while ($row = $smcFunc['db_fetch_assoc']($request)) |
|
979
|
|
|
$result &= !empty($row['add_deny']); |
|
980
|
|
|
$smcFunc['db_free_result']($request); |
|
981
|
|
|
$return = $result; |
|
982
|
|
|
} |
|
983
|
|
|
|
|
984
|
|
|
// Allow temporary overrides for board permissions? |
|
985
|
|
|
call_integration_hook('integrate_allowed_to_board', array(&$return, $permission, $boards, $any)); |
|
986
|
|
|
|
|
987
|
|
|
$perm_cache[$cache_key] = $return; |
|
988
|
|
|
|
|
989
|
|
|
// If the query returned 1, they can do it... otherwise, they can't. |
|
990
|
|
|
return $return; |
|
991
|
|
|
} |
|
992
|
|
|
|
|
993
|
|
|
/** |
|
994
|
|
|
* Fatal error if they cannot. |
|
995
|
|
|
* Uses allowedTo() to check if the user is allowed to do permission. |
|
996
|
|
|
* Checks the passed boards or current board for the permission. |
|
997
|
|
|
* If $any is true, the user only needs permission on at least one of the boards to pass |
|
998
|
|
|
* If they are not, it loads the Errors language file and shows an error using $txt['cannot_' . $permission]. |
|
999
|
|
|
* If they are a guest and cannot do it, this calls is_not_guest(). |
|
1000
|
|
|
* |
|
1001
|
|
|
* @param string|array $permission A single permission to check or an array of permissions to check |
|
1002
|
|
|
* @param int|array $boards The ID of a single board or an array of board IDs if we're checking board-level permissions (null otherwise) |
|
1003
|
|
|
* @param bool $any Whether to check for permission on at least one board instead of all boards |
|
1004
|
|
|
*/ |
|
1005
|
|
|
function isAllowedTo($permission, $boards = null, $any = false) |
|
1006
|
|
|
{ |
|
1007
|
|
|
global $user_info, $txt; |
|
1008
|
|
|
|
|
1009
|
|
|
$heavy_permissions = array( |
|
1010
|
|
|
'admin_forum', |
|
1011
|
|
|
'manage_attachments', |
|
1012
|
|
|
'manage_smileys', |
|
1013
|
|
|
'manage_boards', |
|
1014
|
|
|
'edit_news', |
|
1015
|
|
|
'moderate_forum', |
|
1016
|
|
|
'manage_bans', |
|
1017
|
|
|
'manage_membergroups', |
|
1018
|
|
|
'manage_permissions', |
|
1019
|
|
|
); |
|
1020
|
|
|
|
|
1021
|
|
|
// Make it an array, even if a string was passed. |
|
1022
|
|
|
$permission = (array) $permission; |
|
1023
|
|
|
|
|
1024
|
|
|
call_integration_hook('integrate_heavy_permissions_session', array(&$heavy_permissions)); |
|
1025
|
|
|
|
|
1026
|
|
|
// Check the permission and return an error... |
|
1027
|
|
|
if (!allowedTo($permission, $boards, $any)) |
|
1028
|
|
|
{ |
|
1029
|
|
|
// Pick the last array entry as the permission shown as the error. |
|
1030
|
|
|
$error_permission = array_shift($permission); |
|
1031
|
|
|
|
|
1032
|
|
|
// If they are a guest, show a login. (because the error might be gone if they do!) |
|
1033
|
|
|
if ($user_info['is_guest']) |
|
1034
|
|
|
{ |
|
1035
|
|
|
loadLanguage('Errors'); |
|
1036
|
|
|
is_not_guest($txt['cannot_' . $error_permission]); |
|
1037
|
|
|
} |
|
1038
|
|
|
|
|
1039
|
|
|
// Clear the action because they aren't really doing that! |
|
1040
|
|
|
$_GET['action'] = ''; |
|
1041
|
|
|
$_GET['board'] = ''; |
|
1042
|
|
|
$_GET['topic'] = ''; |
|
1043
|
|
|
writeLog(true); |
|
1044
|
|
|
|
|
1045
|
|
|
fatal_lang_error('cannot_' . $error_permission, false); |
|
1046
|
|
|
|
|
1047
|
|
|
// Getting this far is a really big problem, but let's try our best to prevent any cases... |
|
1048
|
|
|
trigger_error('Hacking attempt...', E_USER_ERROR); |
|
1049
|
|
|
} |
|
1050
|
|
|
|
|
1051
|
|
|
// If you're doing something on behalf of some "heavy" permissions, validate your session. |
|
1052
|
|
|
// (take out the heavy permissions, and if you can't do anything but those, you need a validated session.) |
|
1053
|
|
|
if (!allowedTo(array_diff($permission, $heavy_permissions), $boards)) |
|
1054
|
|
|
validateSession(); |
|
1055
|
|
|
} |
|
1056
|
|
|
|
|
1057
|
|
|
/** |
|
1058
|
|
|
* Return the boards a user has a certain (board) permission on. (array(0) if all.) |
|
1059
|
|
|
* - returns a list of boards on which the user is allowed to do the specified permission. |
|
1060
|
|
|
* - returns an array with only a 0 in it if the user has permission to do this on every board. |
|
1061
|
|
|
* - returns an empty array if he or she cannot do this on any board. |
|
1062
|
|
|
* If check_access is true will also make sure the group has proper access to that board. |
|
1063
|
|
|
* |
|
1064
|
|
|
* @param string|array $permissions A single permission to check or an array of permissions to check |
|
1065
|
|
|
* @param bool $check_access Whether to check only the boards the user has access to |
|
1066
|
|
|
* @param bool $simple Whether to return a simple array of board IDs or one with permissions as the keys |
|
1067
|
|
|
* @return array An array of board IDs or an array containing 'permission' => 'board,board2,...' pairs |
|
1068
|
|
|
*/ |
|
1069
|
|
|
function boardsAllowedTo($permissions, $check_access = true, $simple = true) |
|
1070
|
|
|
{ |
|
1071
|
|
|
global $user_info, $smcFunc; |
|
1072
|
|
|
|
|
1073
|
|
|
// Arrays are nice, most of the time. |
|
1074
|
|
|
$permissions = (array) $permissions; |
|
1075
|
|
|
|
|
1076
|
|
|
/* |
|
1077
|
|
|
* Set $simple to true to use this function as it were in SMF 2.0.x. |
|
1078
|
|
|
* Otherwise, the resultant array becomes split into the multiple |
|
1079
|
|
|
* permissions that were passed. Other than that, it's just the normal |
|
1080
|
|
|
* state of play that you're used to. |
|
1081
|
|
|
*/ |
|
1082
|
|
|
|
|
1083
|
|
|
// Administrators are all powerful, sorry. |
|
1084
|
|
|
if ($user_info['is_admin']) |
|
1085
|
|
|
{ |
|
1086
|
|
|
if ($simple) |
|
1087
|
|
|
return array(0); |
|
1088
|
|
|
else |
|
1089
|
|
|
{ |
|
1090
|
|
|
$boards = array(); |
|
1091
|
|
|
foreach ($permissions as $permission) |
|
1092
|
|
|
$boards[$permission] = array(0); |
|
1093
|
|
|
|
|
1094
|
|
|
return $boards; |
|
1095
|
|
|
} |
|
1096
|
|
|
} |
|
1097
|
|
|
|
|
1098
|
|
|
// All groups the user is in except 'moderator'. |
|
1099
|
|
|
$groups = array_diff($user_info['groups'], array(3)); |
|
1100
|
|
|
|
|
1101
|
|
|
$request = $smcFunc['db_query']('', ' |
|
1102
|
|
|
SELECT b.id_board, bp.add_deny' . ($simple ? '' : ', bp.permission') . ' |
|
1103
|
|
|
FROM {db_prefix}board_permissions AS bp |
|
1104
|
|
|
INNER JOIN {db_prefix}boards AS b ON (b.id_profile = bp.id_profile) |
|
1105
|
|
|
LEFT JOIN {db_prefix}moderators AS mods ON (mods.id_board = b.id_board AND mods.id_member = {int:current_member}) |
|
1106
|
|
|
LEFT JOIN {db_prefix}moderator_groups AS modgs ON (modgs.id_board = b.id_board AND modgs.id_group IN ({array_int:group_list})) |
|
1107
|
|
|
WHERE bp.id_group IN ({array_int:group_list}, {int:moderator_group}) |
|
1108
|
|
|
AND bp.permission IN ({array_string:permissions}) |
|
1109
|
|
|
AND (mods.id_member IS NOT NULL OR modgs.id_group IS NOT NULL OR bp.id_group != {int:moderator_group})' . |
|
1110
|
|
|
($check_access ? ' AND {query_see_board}' : ''), |
|
1111
|
|
|
array( |
|
1112
|
|
|
'current_member' => $user_info['id'], |
|
1113
|
|
|
'group_list' => $groups, |
|
1114
|
|
|
'moderator_group' => 3, |
|
1115
|
|
|
'permissions' => $permissions, |
|
1116
|
|
|
) |
|
1117
|
|
|
); |
|
1118
|
|
|
$boards = array(); |
|
1119
|
|
|
$deny_boards = array(); |
|
1120
|
|
|
while ($row = $smcFunc['db_fetch_assoc']($request)) |
|
1121
|
|
|
{ |
|
1122
|
|
|
if ($simple) |
|
1123
|
|
|
{ |
|
1124
|
|
|
if (empty($row['add_deny'])) |
|
1125
|
|
|
$deny_boards[] = $row['id_board']; |
|
1126
|
|
|
else |
|
1127
|
|
|
$boards[] = $row['id_board']; |
|
1128
|
|
|
} |
|
1129
|
|
|
else |
|
1130
|
|
|
{ |
|
1131
|
|
|
if (empty($row['add_deny'])) |
|
1132
|
|
|
$deny_boards[$row['permission']][] = $row['id_board']; |
|
1133
|
|
|
else |
|
1134
|
|
|
$boards[$row['permission']][] = $row['id_board']; |
|
1135
|
|
|
} |
|
1136
|
|
|
} |
|
1137
|
|
|
$smcFunc['db_free_result']($request); |
|
1138
|
|
|
|
|
1139
|
|
|
if ($simple) |
|
1140
|
|
|
$boards = array_unique(array_values(array_diff($boards, $deny_boards))); |
|
1141
|
|
|
else |
|
1142
|
|
|
{ |
|
1143
|
|
|
foreach ($permissions as $permission) |
|
1144
|
|
|
{ |
|
1145
|
|
|
// never had it to start with |
|
1146
|
|
|
if (empty($boards[$permission])) |
|
1147
|
|
|
$boards[$permission] = array(); |
|
1148
|
|
|
else |
|
1149
|
|
|
{ |
|
1150
|
|
|
// Or it may have been removed |
|
1151
|
|
|
$deny_boards[$permission] = isset($deny_boards[$permission]) ? $deny_boards[$permission] : array(); |
|
1152
|
|
|
$boards[$permission] = array_unique(array_values(array_diff($boards[$permission], $deny_boards[$permission]))); |
|
1153
|
|
|
} |
|
1154
|
|
|
} |
|
1155
|
|
|
} |
|
1156
|
|
|
|
|
1157
|
|
|
// Maybe a mod needs to tweak the list of allowed boards on the fly? |
|
1158
|
|
|
call_integration_hook('integrate_boards_allowed_to', array(&$boards, $deny_boards, $permissions, $check_access, $simple)); |
|
1159
|
|
|
|
|
1160
|
|
|
return $boards; |
|
1161
|
|
|
} |
|
1162
|
|
|
|
|
1163
|
|
|
/** |
|
1164
|
|
|
* This function attempts to protect from spammed messages and the like. |
|
1165
|
|
|
* The time taken depends on error_type - generally uses the modSetting. |
|
1166
|
|
|
* |
|
1167
|
|
|
* @param string $error_type The error type. Also used as a $txt index (not an actual string). |
|
1168
|
|
|
* @param boolean $only_return_result Whether you want the function to die with a fatal_lang_error. |
|
1169
|
|
|
* @return bool Whether they've posted within the limit |
|
1170
|
|
|
*/ |
|
1171
|
|
|
function spamProtection($error_type, $only_return_result = false) |
|
1172
|
|
|
{ |
|
1173
|
|
|
global $modSettings, $user_info, $smcFunc; |
|
1174
|
|
|
|
|
1175
|
|
|
// Certain types take less/more time. |
|
1176
|
|
|
$timeOverrides = array( |
|
1177
|
|
|
'login' => 2, |
|
1178
|
|
|
'register' => 2, |
|
1179
|
|
|
'remind' => 30, |
|
1180
|
|
|
'sendmail' => $modSettings['spamWaitTime'] * 5, |
|
1181
|
|
|
'reporttm' => $modSettings['spamWaitTime'] * 4, |
|
1182
|
|
|
'search' => !empty($modSettings['search_floodcontrol_time']) ? $modSettings['search_floodcontrol_time'] : 1, |
|
1183
|
|
|
); |
|
1184
|
|
|
|
|
1185
|
|
|
call_integration_hook('integrate_spam_protection', array(&$timeOverrides)); |
|
1186
|
|
|
|
|
1187
|
|
|
// Moderators are free... |
|
1188
|
|
|
if (!allowedTo('moderate_board')) |
|
1189
|
|
|
$timeLimit = isset($timeOverrides[$error_type]) ? $timeOverrides[$error_type] : $modSettings['spamWaitTime']; |
|
1190
|
|
|
else |
|
1191
|
|
|
$timeLimit = 2; |
|
1192
|
|
|
|
|
1193
|
|
|
// Delete old entries... |
|
1194
|
|
|
$smcFunc['db_query']('', ' |
|
1195
|
|
|
DELETE FROM {db_prefix}log_floodcontrol |
|
1196
|
|
|
WHERE log_time < {int:log_time} |
|
1197
|
|
|
AND log_type = {string:log_type}', |
|
1198
|
|
|
array( |
|
1199
|
|
|
'log_time' => time() - $timeLimit, |
|
1200
|
|
|
'log_type' => $error_type, |
|
1201
|
|
|
) |
|
1202
|
|
|
); |
|
1203
|
|
|
|
|
1204
|
|
|
// Add a new entry, deleting the old if necessary. |
|
1205
|
|
|
$smcFunc['db_insert']('replace', |
|
1206
|
|
|
'{db_prefix}log_floodcontrol', |
|
1207
|
|
|
array('ip' => 'inet', 'log_time' => 'int', 'log_type' => 'string'), |
|
1208
|
|
|
array($user_info['ip'], time(), $error_type), |
|
1209
|
|
|
array('ip', 'log_type') |
|
1210
|
|
|
); |
|
1211
|
|
|
|
|
1212
|
|
|
// If affected is 0 or 2, it was there already. |
|
1213
|
|
|
if ($smcFunc['db_affected_rows']() != 1) |
|
1214
|
|
|
{ |
|
1215
|
|
|
// Spammer! You only have to wait a *few* seconds! |
|
1216
|
|
|
if (!$only_return_result) |
|
1217
|
|
|
fatal_lang_error($error_type . '_WaitTime_broken', false, array($timeLimit)); |
|
1218
|
|
|
|
|
1219
|
|
|
return true; |
|
1220
|
|
|
} |
|
1221
|
|
|
|
|
1222
|
|
|
// They haven't posted within the limit. |
|
1223
|
|
|
return false; |
|
1224
|
|
|
} |
|
1225
|
|
|
|
|
1226
|
|
|
/** |
|
1227
|
|
|
* A generic function to create a pair of index.php and .htaccess files in a directory |
|
1228
|
|
|
* |
|
1229
|
|
|
* @param string|array $paths The (absolute) directory path |
|
1230
|
|
|
* @param boolean $attachments Whether this is an attachment directory |
|
1231
|
|
|
* @return bool|array True on success an array of errors if anything fails |
|
1232
|
|
|
*/ |
|
1233
|
|
|
function secureDirectory($paths, $attachments = false) |
|
1234
|
|
|
{ |
|
1235
|
|
|
$errors = array(); |
|
1236
|
|
|
|
|
1237
|
|
|
// Work with arrays |
|
1238
|
|
|
$paths = (array) $paths; |
|
1239
|
|
|
|
|
1240
|
|
|
if (empty($paths)) |
|
1241
|
|
|
$errors[] = 'empty_path'; |
|
1242
|
|
|
|
|
1243
|
|
|
if (!empty($errors)) |
|
1244
|
|
|
return $errors; |
|
1245
|
|
|
|
|
1246
|
|
|
foreach ($paths as $path) |
|
1247
|
|
|
{ |
|
1248
|
|
|
if (!is_writable($path)) |
|
1249
|
|
|
{ |
|
1250
|
|
|
$errors[] = 'path_not_writable'; |
|
1251
|
|
|
|
|
1252
|
|
|
continue; |
|
1253
|
|
|
} |
|
1254
|
|
|
|
|
1255
|
|
|
$directory_name = basename($path); |
|
1256
|
|
|
|
|
1257
|
|
|
$close = empty($attachments) ? ' |
|
1258
|
|
|
</Files>' : ' |
|
1259
|
|
|
Allow from localhost |
|
1260
|
|
|
</Files> |
|
1261
|
|
|
|
|
1262
|
|
|
RemoveHandler .php .php3 .phtml .cgi .fcgi .pl .fpl .shtml'; |
|
1263
|
|
|
|
|
1264
|
|
|
if (file_exists($path . '/.htaccess')) |
|
1265
|
|
|
{ |
|
1266
|
|
|
$errors[] = 'htaccess_exists'; |
|
1267
|
|
|
|
|
1268
|
|
|
continue; |
|
1269
|
|
|
} |
|
1270
|
|
|
|
|
1271
|
|
|
else |
|
1272
|
|
|
{ |
|
1273
|
|
|
$fh = @fopen($path . '/.htaccess', 'w'); |
|
1274
|
|
|
|
|
1275
|
|
|
if ($fh) |
|
1276
|
|
|
{ |
|
1277
|
|
|
fwrite($fh, '<Files *> |
|
1278
|
|
|
Order Deny,Allow |
|
1279
|
|
|
Deny from all' . $close); |
|
1280
|
|
|
fclose($fh); |
|
1281
|
|
|
} |
|
1282
|
|
|
|
|
1283
|
|
|
else |
|
1284
|
|
|
$errors[] = 'htaccess_cannot_create_file'; |
|
1285
|
|
|
} |
|
1286
|
|
|
|
|
1287
|
|
|
if (file_exists($path . '/index.php')) |
|
1288
|
|
|
{ |
|
1289
|
|
|
$errors[] = 'index-php_exists'; |
|
1290
|
|
|
|
|
1291
|
|
|
continue; |
|
1292
|
|
|
} |
|
1293
|
|
|
|
|
1294
|
|
|
else |
|
1295
|
|
|
{ |
|
1296
|
|
|
$fh = @fopen($path . '/index.php', 'w'); |
|
1297
|
|
|
|
|
1298
|
|
|
if ($fh) |
|
1299
|
|
|
{ |
|
1300
|
|
|
fwrite($fh, '<' . '?php |
|
1301
|
|
|
|
|
1302
|
|
|
/** |
|
1303
|
|
|
* This file is here solely to protect your ' . $directory_name . ' directory. |
|
1304
|
|
|
*/ |
|
1305
|
|
|
|
|
1306
|
|
|
// Look for Settings.php.... |
|
1307
|
|
|
if (file_exists(dirname(dirname(__FILE__)) . \'/Settings.php\')) |
|
1308
|
|
|
{ |
|
1309
|
|
|
// Found it! |
|
1310
|
|
|
require(dirname(dirname(__FILE__)) . \'/Settings.php\'); |
|
1311
|
|
|
header(\'location: \' . $boardurl); |
|
1312
|
|
|
} |
|
1313
|
|
|
// Can\'t find it... just forget it. |
|
1314
|
|
|
else |
|
1315
|
|
|
exit; |
|
1316
|
|
|
|
|
1317
|
|
|
?' . '>'); |
|
1318
|
|
|
fclose($fh); |
|
1319
|
|
|
} |
|
1320
|
|
|
|
|
1321
|
|
|
else |
|
1322
|
|
|
$errors[] = 'index-php_cannot_create_file'; |
|
1323
|
|
|
} |
|
1324
|
|
|
} |
|
1325
|
|
|
|
|
1326
|
|
|
if (!empty($errors)) |
|
1327
|
|
|
return $errors; |
|
1328
|
|
|
|
|
1329
|
|
|
else |
|
1330
|
|
|
return true; |
|
1331
|
|
|
} |
|
1332
|
|
|
|
|
1333
|
|
|
/** |
|
1334
|
|
|
* This sets the X-Frame-Options header. |
|
1335
|
|
|
* |
|
1336
|
|
|
* @param string $override An option to override (either 'SAMEORIGIN' or 'DENY') |
|
1337
|
|
|
* @since 2.1 |
|
1338
|
|
|
*/ |
|
1339
|
|
|
function frameOptionsHeader($override = null) |
|
1340
|
|
|
{ |
|
1341
|
|
|
global $modSettings; |
|
1342
|
|
|
|
|
1343
|
|
|
$option = 'SAMEORIGIN'; |
|
1344
|
|
|
if (is_null($override) && !empty($modSettings['frame_security'])) |
|
1345
|
|
|
$option = $modSettings['frame_security']; |
|
1346
|
|
|
elseif (in_array($override, array('SAMEORIGIN', 'DENY'))) |
|
1347
|
|
|
$option = $override; |
|
1348
|
|
|
|
|
1349
|
|
|
// Don't bother setting the header if we have disabled it. |
|
1350
|
|
|
if ($option == 'DISABLE') |
|
1351
|
|
|
return; |
|
1352
|
|
|
|
|
1353
|
|
|
// Finally set it. |
|
1354
|
|
|
header('x-frame-options: ' . $option); |
|
1355
|
|
|
|
|
1356
|
|
|
// And some other useful ones. |
|
1357
|
|
|
header('x-xss-protection: 1'); |
|
1358
|
|
|
header('x-content-type-options: nosniff'); |
|
1359
|
|
|
} |
|
1360
|
|
|
|
|
1361
|
|
|
/** |
|
1362
|
|
|
* This sets the Access-Control-Allow-Origin header. |
|
1363
|
|
|
* @link https://developer.mozilla.org/en-US/docs/Web/HTTP/CORS |
|
1364
|
|
|
* |
|
1365
|
|
|
* @param bool $set_header (Default: true): When false, we will do the logic, but not send the headers. The relevant logic is still saved in the $context and can be sent manually. |
|
1366
|
|
|
* |
|
1367
|
|
|
* @since 2.1 |
|
1368
|
|
|
*/ |
|
1369
|
|
|
function corsPolicyHeader($set_header = true) |
|
1370
|
|
|
{ |
|
1371
|
|
|
global $boardurl, $modSettings, $context; |
|
1372
|
|
|
|
|
1373
|
|
|
if (empty($modSettings['allow_cors']) || empty($_SERVER['HTTP_ORIGIN'])) |
|
1374
|
|
|
return; |
|
1375
|
|
|
|
|
1376
|
|
|
foreach (array('origin' => $_SERVER['HTTP_ORIGIN'], 'boardurl_parts' => $boardurl) as $var => $url) |
|
1377
|
|
|
{ |
|
1378
|
|
|
// Convert any Punycode to Unicode for the sake of comparision, then parse. |
|
1379
|
|
|
$$var = parse_iri(url_to_iri((string) validate_iri(normalize_iri(trim($url))))); |
|
1380
|
|
|
} |
|
1381
|
|
|
|
|
1382
|
|
|
// The admin wants weak security... :( |
|
1383
|
|
|
if (!empty($modSettings['cors_domains']) && $modSettings['cors_domains'] === '*') |
|
1384
|
|
|
{ |
|
1385
|
|
|
$context['cors_domain'] = '*'; |
|
1386
|
|
|
$context['valid_cors_found'] = 'wildcard'; |
|
1387
|
|
|
} |
|
1388
|
|
|
|
|
1389
|
|
|
// Oh good, the admin cares about security. :) |
|
1390
|
|
|
else |
|
1391
|
|
|
{ |
|
1392
|
|
|
$i = 0; |
|
1393
|
|
|
|
|
1394
|
|
|
// Build our list of allowed CORS origins. |
|
1395
|
|
|
$allowed_origins = array(); |
|
1396
|
|
|
|
|
1397
|
|
|
// If subdomain-independent cookies are on, allow CORS requests from subdomains. |
|
1398
|
|
|
if (!empty($modSettings['globalCookies']) && !empty($modSettings['globalCookiesDomain'])) |
|
1399
|
|
|
{ |
|
1400
|
|
|
$allowed_origins[++$i] = array_merge(parse_iri('//*.' . trim($modSettings['globalCookiesDomain'])), array('type' => 'subdomain')); |
|
|
|
|
|
|
1401
|
|
|
} |
|
1402
|
|
|
|
|
1403
|
|
|
// Support forum_alias_urls as well, since those are supported by our login cookie. |
|
1404
|
|
|
if (!empty($modSettings['forum_alias_urls'])) |
|
1405
|
|
|
{ |
|
1406
|
|
|
foreach (explode(',', $modSettings['forum_alias_urls']) as $alias) |
|
1407
|
|
|
$allowed_origins[++$i] = array_merge(parse_iri((strpos($alias, '//') === false ? '//' : '') . trim($alias)), array('type' => 'alias')); |
|
1408
|
|
|
} |
|
1409
|
|
|
|
|
1410
|
|
|
// Additional CORS domains. |
|
1411
|
|
|
if (!empty($modSettings['cors_domains'])) |
|
1412
|
|
|
{ |
|
1413
|
|
|
foreach (explode(',', $modSettings['cors_domains']) as $cors_domain) |
|
1414
|
|
|
{ |
|
1415
|
|
|
$allowed_origins[++$i] = array_merge(parse_iri((strpos($cors_domain, '//') === false ? '//' : '') . trim($cors_domain)), array('type' => 'additional')); |
|
1416
|
|
|
|
|
1417
|
|
|
if (strpos($allowed_origins[$i]['host'], '*') === 0) |
|
1418
|
|
|
$allowed_origins[$i]['type'] .= '_wildcard'; |
|
1419
|
|
|
} |
|
1420
|
|
|
} |
|
1421
|
|
|
|
|
1422
|
|
|
// Does the origin match any of our allowed domains? |
|
1423
|
|
|
foreach ($allowed_origins as $allowed_origin) |
|
1424
|
|
|
{ |
|
1425
|
|
|
// If a specific scheme is required, it must match. |
|
1426
|
|
|
if (!empty($allowed_origin['scheme']) && $allowed_origin['scheme'] !== $origin['scheme']) |
|
|
|
|
|
|
1427
|
|
|
continue; |
|
1428
|
|
|
|
|
1429
|
|
|
// If a specific port is required, it must match. |
|
1430
|
|
|
if (!empty($allowed_origin['port'])) |
|
1431
|
|
|
{ |
|
1432
|
|
|
// Automatically supply the default port for the "special" schemes. |
|
1433
|
|
|
// See https://url.spec.whatwg.org/#special-scheme |
|
1434
|
|
|
if (empty($origin['port'])) |
|
1435
|
|
|
{ |
|
1436
|
|
|
switch ($origin['scheme']) |
|
1437
|
|
|
{ |
|
1438
|
|
|
case 'http': |
|
1439
|
|
|
case 'ws': |
|
1440
|
|
|
$origin['port'] = 80; |
|
1441
|
|
|
break; |
|
1442
|
|
|
|
|
1443
|
|
|
case 'https': |
|
1444
|
|
|
case 'wss': |
|
1445
|
|
|
$origin['port'] = 443; |
|
1446
|
|
|
break; |
|
1447
|
|
|
|
|
1448
|
|
|
case 'ftp': |
|
1449
|
|
|
$origin['port'] = 21; |
|
1450
|
|
|
break; |
|
1451
|
|
|
|
|
1452
|
|
|
case 'file': |
|
1453
|
|
|
default: |
|
1454
|
|
|
$origin['port'] = null; |
|
1455
|
|
|
break; |
|
1456
|
|
|
} |
|
1457
|
|
|
} |
|
1458
|
|
|
|
|
1459
|
|
|
if ((int) $allowed_origin['port'] !== (int) $origin['port']) |
|
1460
|
|
|
continue; |
|
1461
|
|
|
} |
|
1462
|
|
|
|
|
1463
|
|
|
// Wildcard can only be the first character. |
|
1464
|
|
|
if (strrpos($allowed_origin['host'], '*') > 0) |
|
1465
|
|
|
continue; |
|
1466
|
|
|
|
|
1467
|
|
|
// Wildcard means allow the domain or any subdomains. |
|
1468
|
|
|
if (strpos($allowed_origin['host'], '*') === 0) |
|
1469
|
|
|
$host_regex = '(?:^|\.)' . preg_quote(ltrim($allowed_origin['host'], '*.'), '~') . '$'; |
|
1470
|
|
|
|
|
1471
|
|
|
// No wildcard means allow the domain only. |
|
1472
|
|
|
else |
|
1473
|
|
|
$host_regex = '^' . preg_quote($allowed_origin['host'], '~') . '$'; |
|
1474
|
|
|
|
|
1475
|
|
|
if (preg_match('~' . $host_regex . '~u', $origin['host'])) |
|
1476
|
|
|
{ |
|
1477
|
|
|
$context['cors_domain'] = trim($_SERVER['HTTP_ORIGIN']); |
|
1478
|
|
|
$context['valid_cors_found'] = $allowed_origin['type']; |
|
1479
|
|
|
break; |
|
1480
|
|
|
} |
|
1481
|
|
|
} |
|
1482
|
|
|
} |
|
1483
|
|
|
|
|
1484
|
|
|
// The default is just to place the root URL of the forum into the policy. |
|
1485
|
|
|
if (empty($context['cors_domain'])) |
|
1486
|
|
|
{ |
|
1487
|
|
|
$context['cors_domain'] = iri_to_url($boardurl_parts['scheme'] . '://' . $boardurl_parts['host']); |
|
|
|
|
|
|
1488
|
|
|
|
|
1489
|
|
|
// Attach the port if needed. |
|
1490
|
|
|
if (!empty($boardurl_parts['port'])) |
|
|
|
|
|
|
1491
|
|
|
$context['cors_domain'] .= ':' . $boardurl_parts['port']; |
|
1492
|
|
|
|
|
1493
|
|
|
$context['valid_cors_found'] = 'same'; |
|
1494
|
|
|
} |
|
1495
|
|
|
|
|
1496
|
|
|
$context['cors_headers'] = 'X-SMF-AJAX'; |
|
1497
|
|
|
|
|
1498
|
|
|
// Any additional headers? |
|
1499
|
|
|
if (!empty($modSettings['cors_headers'])) |
|
1500
|
|
|
{ |
|
1501
|
|
|
// Cleanup any typos. |
|
1502
|
|
|
$cors_headers = explode(',', $modSettings['cors_headers']); |
|
1503
|
|
|
foreach ($cors_headers as &$ch) |
|
1504
|
|
|
$ch = str_replace(' ', '-', trim($ch)); |
|
1505
|
|
|
|
|
1506
|
|
|
$context['cors_headers'] += implode(',', $cors_headers); |
|
1507
|
|
|
} |
|
1508
|
|
|
|
|
1509
|
|
|
// Allowing Cross-Origin Resource Sharing (CORS). |
|
1510
|
|
|
if ($set_header && !empty($context['valid_cors_found']) && !empty($context['cors_domain'])) |
|
1511
|
|
|
{ |
|
1512
|
|
|
header('Access-Control-Allow-Origin: ' . $context['cors_domain']); |
|
1513
|
|
|
header('Access-Control-Allow-Headers: ' . $context['cors_headers']); |
|
1514
|
|
|
|
|
1515
|
|
|
// Be careful with this, you're allowing an external site to allow the browser to send cookies with this. |
|
1516
|
|
|
if (!empty($modSettings['allow_cors_credentials'])) |
|
1517
|
|
|
header('Access-Control-Allow-Credentials: true'); |
|
1518
|
|
|
} |
|
1519
|
|
|
} |
|
1520
|
|
|
|
|
1521
|
|
|
?> |
albertlast /
SMF2.1
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