%22, ' => %27, < -> %3C, > -> %3E $find = array('"', "'", '<', '>'); $replace = array('%22', '%27', '%3C', '%3E'); foreach ($args as $key => $argument) { if (strpos($argument, 'sid=') === 0) { continue; } $use_args[] = str_replace($find, $replace, $argument); } unset($args); // The following examples given are for an request uri of {path to the phpbb directory}/adm/index.php?i=10&b=2 // The current query string $query_string = trim(implode('&', $use_args)); // basenamed page name (for example: index.php) $page_name = (substr($script_name, -1, 1) == '/') ? '' : basename($script_name); $page_name = urlencode(htmlspecialchars($page_name)); // current directory within the phpBB root (for example: adm) $root_dirs = explode('/', str_replace('\\', '/', phpbb_realpath($root_path))); $page_dirs = explode('/', str_replace('\\', '/', phpbb_realpath('./'))); $intersection = array_intersect_assoc($root_dirs, $page_dirs); $root_dirs = array_diff_assoc($root_dirs, $intersection); $page_dirs = array_diff_assoc($page_dirs, $intersection); $page_dir = str_repeat('../', sizeof($root_dirs)) . implode('/', $page_dirs); if ($page_dir && substr($page_dir, -1, 1) == '/') { $page_dir = substr($page_dir, 0, -1); } // Current page from phpBB root (for example: adm/index.php?i=10&b=2) $page = (($page_dir) ? $page_dir . '/' : '') . $page_name . (($query_string) ? "?$query_string" : ''); // The script path from the webroot to the current directory (for example: /phpBB3/adm/) : always prefixed with / and ends in / $script_path = trim(str_replace('\\', '/', dirname($script_name))); // The script path from the webroot to the phpBB root (for example: /phpBB3/) $script_dirs = explode('/', $script_path); array_splice($script_dirs, -sizeof($page_dirs)); $root_script_path = implode('/', $script_dirs) . (sizeof($root_dirs) ? '/' . implode('/', $root_dirs) : ''); // We are on the base level (phpBB root == webroot), lets adjust the variables a bit... if (!$root_script_path) { $root_script_path = ($page_dir) ? str_replace($page_dir, '', $script_path) : $script_path; } $script_path .= (substr($script_path, -1, 1) == '/') ? '' : '/'; $root_script_path .= (substr($root_script_path, -1, 1) == '/') ? '' : '/'; $page_array += array( 'page_name' => $page_name, 'page_dir' => $page_dir, 'query_string' => $query_string, 'script_path' => str_replace(' ', '%20', htmlspecialchars($script_path)), 'root_script_path' => str_replace(' ', '%20', htmlspecialchars($root_script_path)), 'page' => $page, 'forum' => (isset($_REQUEST['f']) && $_REQUEST['f'] > 0) ? (int) $_REQUEST['f'] : 0, ); return $page_array; } /** * Get valid hostname/port. HTTP_HOST is used, SERVER_NAME if HTTP_HOST not present. */ function extract_current_hostname() { global $config; // Get hostname $host = (!empty($_SERVER['HTTP_HOST'])) ? $_SERVER['HTTP_HOST'] : ((!empty($_SERVER['SERVER_NAME'])) ? $_SERVER['SERVER_NAME'] : getenv('SERVER_NAME')); // Should be a string and lowered $host = (string) strtolower($host); // If host is equal the cookie domain or the server name (if config is set), then we assume it is valid if ((isset($config['cookie_domain']) && $host === $config['cookie_domain']) || (isset($config['server_name']) && $host === $config['server_name'])) { return $host; } // Is the host actually a IP? If so, we use the IP... (IPv4) if (long2ip(ip2long($host)) === $host) { return $host; } // Now return the hostname (this also removes any port definition). The http:// is prepended to construct a valid URL, hosts never have a scheme assigned $host = @parse_url('http://' . $host); $host = (!empty($host['host'])) ? $host['host'] : ''; // Remove any portions not removed by parse_url (#) $host = str_replace('#', '', $host); // If, by any means, the host is now empty, we will use a "best approach" way to guess one if (empty($host)) { if (!empty($config['server_name'])) { $host = $config['server_name']; } else if (!empty($config['cookie_domain'])) { $host = (strpos($config['cookie_domain'], '.') === 0) ? substr($config['cookie_domain'], 1) : $config['cookie_domain']; } else { // Set to OS hostname or localhost $host = (function_exists('php_uname')) ? php_uname('n') : 'localhost'; } } // It may be still no valid host, but for sure only a hostname (we may further expand on the cookie domain... if set) return $host; } /** * Start session management * * This is where all session activity begins. We gather various pieces of * information from the client and server. We test to see if a session already * exists. If it does, fine and dandy. If it doesn't we'll go on to create a * new one ... pretty logical heh? We also examine the system load (if we're * running on a system which makes such information readily available) and * halt if it's above an admin definable limit. * * @param bool $update_session_page if true the session page gets updated. * This can be set to circumvent certain scripts to update the users last visited page. */ function session_begin($update_session_page = true) { global $phpEx, $SID, $_SID, $_EXTRA_URL, $db, $config, $phpbb_root_path; // Give us some basic information $this->time_now = time(); $this->cookie_data = array('u' => 0, 'k' => ''); $this->update_session_page = $update_session_page; $this->browser = (!empty($_SERVER['HTTP_USER_AGENT'])) ? htmlspecialchars((string) $_SERVER['HTTP_USER_AGENT']) : ''; $this->referer = (!empty($_SERVER['HTTP_REFERER'])) ? htmlspecialchars((string) $_SERVER['HTTP_REFERER']) : ''; $this->forwarded_for = (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) ? htmlspecialchars((string) $_SERVER['HTTP_X_FORWARDED_FOR']) : ''; $this->host = $this->extract_current_hostname(); $this->page = $this->extract_current_page($phpbb_root_path); // if the forwarded for header shall be checked we have to validate its contents if ($config['forwarded_for_check']) { $this->forwarded_for = preg_replace('# {2,}#', ' ', str_replace(',', ' ', $this->forwarded_for)); // split the list of IPs $ips = explode(' ', $this->forwarded_for); foreach ($ips as $ip) { // check IPv4 first, the IPv6 is hopefully only going to be used very seldomly if (!empty($ip) && !preg_match(get_preg_expression('ipv4'), $ip) && !preg_match(get_preg_expression('ipv6'), $ip)) { // contains invalid data, don't use the forwarded for header $this->forwarded_for = ''; break; } } } else { $this->forwarded_for = ''; } if (isset($_COOKIE[$config['cookie_name'] . '_sid']) || isset($_COOKIE[$config['cookie_name'] . '_u'])) { $this->cookie_data['u'] = request_var($config['cookie_name'] . '_u', 0, false, true); $this->cookie_data['k'] = request_var($config['cookie_name'] . '_k', '', false, true); $this->session_id = request_var($config['cookie_name'] . '_sid', '', false, true); $SID = (defined('NEED_SID')) ? '?sid=' . $this->session_id : '?sid='; $_SID = (defined('NEED_SID')) ? $this->session_id : ''; if (empty($this->session_id)) { $this->session_id = $_SID = request_var('sid', ''); $SID = '?sid=' . $this->session_id; $this->cookie_data = array('u' => 0, 'k' => ''); } } else { $this->session_id = $_SID = request_var('sid', ''); $SID = '?sid=' . $this->session_id; } $_EXTRA_URL = array(); // Why no forwarded_for et al? Well, too easily spoofed. With the results of my recent requests // it's pretty clear that in the majority of cases you'll at least be left with a proxy/cache ip. $this->ip = (!empty($_SERVER['REMOTE_ADDR'])) ? (string) $_SERVER['REMOTE_ADDR'] : ''; $this->ip = preg_replace('# {2,}#', ' ', str_replace(',', ' ', $this->ip)); // split the list of IPs $ips = explode(' ', trim($this->ip)); // Default IP if REMOTE_ADDR is invalid $this->ip = '127.0.0.1'; foreach ($ips as $ip) { if (preg_match(get_preg_expression('ipv4'), $ip)) { $this->ip = $ip; } else if (preg_match(get_preg_expression('ipv6'), $ip)) { // Quick check for IPv4-mapped address in IPv6 if (stripos($ip, '::ffff:') === 0) { $ipv4 = substr($ip, 7); if (preg_match(get_preg_expression('ipv4'), $ipv4)) { $ip = $ipv4; } } $this->ip = $ip; } else { // We want to use the last valid address in the chain // Leave foreach loop when address is invalid break; } } $this->load = false; // Load limit check (if applicable) if ($config['limit_load'] || $config['limit_search_load']) { if ((function_exists('sys_getloadavg') && $load = sys_getloadavg()) || ($load = explode(' ', @file_get_contents('/proc/loadavg')))) { $this->load = array_slice($load, 0, 1); $this->load = floatval($this->load[0]); } else { set_config('limit_load', '0'); set_config('limit_search_load', '0'); } } // if no session id is set, redirect to index.php if (defined('NEED_SID') && (!isset($_GET['sid']) || $this->session_id !== $_GET['sid'])) { send_status_line(401, 'Unauthorized'); redirect(append_sid("{$phpbb_root_path}index.$phpEx")); } // if session id is set if (!empty($this->session_id)) { $sql = 'SELECT u.*, s.* FROM ' . SESSIONS_TABLE . ' s, ' . USERS_TABLE . " u WHERE s.session_id = '" . $db->sql_escape($this->session_id) . "' AND u.user_id = s.session_user_id"; $result = $db->sql_query($sql); $this->data = $db->sql_fetchrow($result); $db->sql_freeresult($result); // Did the session exist in the DB? if (isset($this->data['user_id'])) { // Validate IP length according to admin ... enforces an IP // check on bots if admin requires this // $quadcheck = ($config['ip_check_bot'] && $this->data['user_type'] & USER_BOT) ? 4 : $config['ip_check']; if (strpos($this->ip, ':') !== false && strpos($this->data['session_ip'], ':') !== false) { $s_ip = short_ipv6($this->data['session_ip'], $config['ip_check']); $u_ip = short_ipv6($this->ip, $config['ip_check']); } else { $s_ip = implode('.', array_slice(explode('.', $this->data['session_ip']), 0, $config['ip_check'])); $u_ip = implode('.', array_slice(explode('.', $this->ip), 0, $config['ip_check'])); } $s_browser = ($config['browser_check']) ? trim(strtolower(substr($this->data['session_browser'], 0, 149))) : ''; $u_browser = ($config['browser_check']) ? trim(strtolower(substr($this->browser, 0, 149))) : ''; $s_forwarded_for = ($config['forwarded_for_check']) ? substr($this->data['session_forwarded_for'], 0, 254) : ''; $u_forwarded_for = ($config['forwarded_for_check']) ? substr($this->forwarded_for, 0, 254) : ''; // referer checks // The @ before $config['referer_validation'] suppresses notices present while running the updater $check_referer_path = (@$config['referer_validation'] == REFERER_VALIDATE_PATH); $referer_valid = true; // we assume HEAD and TRACE to be foul play and thus only whitelist GET if (@$config['referer_validation'] && isset($_SERVER['REQUEST_METHOD']) && strtolower($_SERVER['REQUEST_METHOD']) !== 'get') { $referer_valid = $this->validate_referer($check_referer_path); } if ($u_ip === $s_ip && $s_browser === $u_browser && $s_forwarded_for === $u_forwarded_for && $referer_valid) { $session_expired = false; // Check whether the session is still valid if we have one $method = basename(trim($config['auth_method'])); include_once($phpbb_root_path . 'includes/auth/auth_' . $method . '.' . $phpEx); $method = 'validate_session_' . $method; if (function_exists($method)) { if (!$method($this->data)) { $session_expired = true; } } if (!$session_expired) { // Check the session length timeframe if autologin is not enabled. // Else check the autologin length... and also removing those having autologin enabled but no longer allowed board-wide. if (!$this->data['session_autologin']) { if ($this->data['session_time'] < $this->time_now - ($config['session_length'] + 60)) { $session_expired = true; } } else if (!$config['allow_autologin'] || ($config['max_autologin_time'] && $this->data['session_time'] < $this->time_now - (86400 * (int) $config['max_autologin_time']) + 60)) { $session_expired = true; } } if (!$session_expired) { // Only update session DB a minute or so after last update or if page changes if ($this->time_now - $this->data['session_time'] > 60 || ($this->update_session_page && $this->data['session_page'] != $this->page['page'])) { $sql_ary = array('session_time' => $this->time_now); if ($this->update_session_page) { $sql_ary['session_page'] = substr($this->page['page'], 0, 199); $sql_ary['session_forum_id'] = $this->page['forum']; } $db->sql_return_on_error(true); $sql = 'UPDATE ' . SESSIONS_TABLE . ' SET ' . $db->sql_build_array('UPDATE', $sql_ary) . " WHERE session_id = '" . $db->sql_escape($this->session_id) . "'"; $result = $db->sql_query($sql); $db->sql_return_on_error(false); // If the database is not yet updated, there will be an error due to the session_forum_id // @todo REMOVE for 3.0.2 if ($result === false) { unset($sql_ary['session_forum_id']); $sql = 'UPDATE ' . SESSIONS_TABLE . ' SET ' . $db->sql_build_array('UPDATE', $sql_ary) . " WHERE session_id = '" . $db->sql_escape($this->session_id) . "'"; $db->sql_query($sql); } if ($this->data['user_id'] != ANONYMOUS && !empty($config['new_member_post_limit']) && $this->data['user_new'] && $config['new_member_post_limit'] <= $this->data['user_posts']) { $this->leave_newly_registered(); } } $this->data['is_registered'] = ($this->data['user_id'] != ANONYMOUS && ($this->data['user_type'] == USER_NORMAL || $this->data['user_type'] == USER_FOUNDER)) ? true : false; $this->data['is_bot'] = (!$this->data['is_registered'] && $this->data['user_id'] != ANONYMOUS) ? true : false; $this->data['user_lang'] = basename($this->data['user_lang']); return true; } } else { // Added logging temporarly to help debug bugs... if (defined('DEBUG_EXTRA') && $this->data['user_id'] != ANONYMOUS) { if ($referer_valid) { add_log('critical', 'LOG_IP_BROWSER_FORWARDED_CHECK', $u_ip, $s_ip, $u_browser, $s_browser, htmlspecialchars($u_forwarded_for), htmlspecialchars($s_forwarded_for)); } else { add_log('critical', 'LOG_REFERER_INVALID', $this->referer); } } } } } // If we reach here then no (valid) session exists. So we'll create a new one return $this->session_create(); } /** * Create a new session * * If upon trying to start a session we discover there is nothing existing we * jump here. Additionally this method is called directly during login to regenerate * the session for the specific user. In this method we carry out a number of tasks; * garbage collection, (search)bot checking, banned user comparison. Basically * though this method will result in a new session for a specific user. */ function session_create($user_id = false, $set_admin = false, $persist_login = false, $viewonline = true) { global $SID, $_SID, $db, $config, $cache, $phpbb_root_path, $phpEx; $this->data = array(); /* Garbage collection ... remove old sessions updating user information // if necessary. It means (potentially) 11 queries but only infrequently if ($this->time_now > $config['session_last_gc'] + $config['session_gc']) { $this->session_gc(); }*/ // Do we allow autologin on this board? No? Then override anything // that may be requested here if (!$config['allow_autologin']) { $this->cookie_data['k'] = $persist_login = false; } /** * Here we do a bot check, oh er saucy! No, not that kind of bot * check. We loop through the list of bots defined by the admin and * see if we have any useragent and/or IP matches. If we do, this is a * bot, act accordingly */ $bot = false; $active_bots = $cache->obtain_bots(); foreach ($active_bots as $row) { if ($row['bot_agent'] && preg_match('#' . str_replace('\*', '.*?', preg_quote($row['bot_agent'], '#')) . '#i', $this->browser)) { $bot = $row['user_id']; } // If ip is supplied, we will make sure the ip is matching too... if ($row['bot_ip'] && ($bot || !$row['bot_agent'])) { // Set bot to false, then we only have to set it to true if it is matching $bot = false; foreach (explode(',', $row['bot_ip']) as $bot_ip) { $bot_ip = trim($bot_ip); if (!$bot_ip) { continue; } if (strpos($this->ip, $bot_ip) === 0) { $bot = (int) $row['user_id']; break; } } } if ($bot) { break; } } $method = basename(trim($config['auth_method'])); include_once($phpbb_root_path . 'includes/auth/auth_' . $method . '.' . $phpEx); $method = 'autologin_' . $method; if (function_exists($method)) { $this->data = $method(); if (sizeof($this->data)) { $this->cookie_data['k'] = ''; $this->cookie_data['u'] = $this->data['user_id']; } } // If we're presented with an autologin key we'll join against it. // Else if we've been passed a user_id we'll grab data based on that if (isset($this->cookie_data['k']) && $this->cookie_data['k'] && $this->cookie_data['u'] && !sizeof($this->data)) { $sql = 'SELECT u.* FROM ' . USERS_TABLE . ' u, ' . SESSIONS_KEYS_TABLE . ' k WHERE u.user_id = ' . (int) $this->cookie_data['u'] . ' AND u.user_type IN (' . USER_NORMAL . ', ' . USER_FOUNDER . ") AND k.user_id = u.user_id AND k.key_id = '" . $db->sql_escape(md5($this->cookie_data['k'])) . "'"; $result = $db->sql_query($sql); $this->data = $db->sql_fetchrow($result); $db->sql_freeresult($result); $bot = false; } else if ($user_id !== false && !sizeof($this->data)) { $this->cookie_data['k'] = ''; $this->cookie_data['u'] = $user_id; $sql = 'SELECT * FROM ' . USERS_TABLE . ' WHERE user_id = ' . (int) $this->cookie_data['u'] . ' AND user_type IN (' . USER_NORMAL . ', ' . USER_FOUNDER . ')'; $result = $db->sql_query($sql); $this->data = $db->sql_fetchrow($result); $db->sql_freeresult($result); $bot = false; } // Bot user, if they have a SID in the Request URI we need to get rid of it // otherwise they'll index this page with the SID, duplicate content oh my! if ($bot && isset($_GET['sid'])) { send_status_line(301, 'Moved Permanently'); redirect(build_url(array('sid'))); } // If no data was returned one or more of the following occurred: // Key didn't match one in the DB // User does not exist // User is inactive // User is bot if (!sizeof($this->data) || !is_array($this->data)) { $this->cookie_data['k'] = ''; $this->cookie_data['u'] = ($bot) ? $bot : ANONYMOUS; if (!$bot) { $sql = 'SELECT * FROM ' . USERS_TABLE . ' WHERE user_id = ' . (int) $this->cookie_data['u']; } else { // We give bots always the same session if it is not yet expired. $sql = 'SELECT u.*, s.* FROM ' . USERS_TABLE . ' u LEFT JOIN ' . SESSIONS_TABLE . ' s ON (s.session_user_id = u.user_id) WHERE u.user_id = ' . (int) $bot; } $result = $db->sql_query($sql); $this->data = $db->sql_fetchrow($result); $db->sql_freeresult($result); } if ($this->data['user_id'] != ANONYMOUS && !$bot) { $this->data['session_last_visit'] = (isset($this->data['session_time']) && $this->data['session_time']) ? $this->data['session_time'] : (($this->data['user_lastvisit']) ? $this->data['user_lastvisit'] : time()); } else { $this->data['session_last_visit'] = $this->time_now; } // Force user id to be integer... $this->data['user_id'] = (int) $this->data['user_id']; // At this stage we should have a filled data array, defined cookie u and k data. // data array should contain recent session info if we're a real user and a recent // session exists in which case session_id will also be set // Is user banned? Are they excluded? Won't return on ban, exists within method if ($this->data['user_type'] != USER_FOUNDER) { if (!$config['forwarded_for_check']) { $this->check_ban($this->data['user_id'], $this->ip); } else { $ips = explode(' ', $this->forwarded_for); $ips[] = $this->ip; $this->check_ban($this->data['user_id'], $ips); } } $this->data['is_registered'] = (!$bot && $this->data['user_id'] != ANONYMOUS && ($this->data['user_type'] == USER_NORMAL || $this->data['user_type'] == USER_FOUNDER)) ? true : false; $this->data['is_bot'] = ($bot) ? true : false; // If our friend is a bot, we re-assign a previously assigned session if ($this->data['is_bot'] && $bot == $this->data['user_id'] && $this->data['session_id']) { // Only assign the current session if the ip, browser and forwarded_for match... if (strpos($this->ip, ':') !== false && strpos($this->data['session_ip'], ':') !== false) { $s_ip = short_ipv6($this->data['session_ip'], $config['ip_check']); $u_ip = short_ipv6($this->ip, $config['ip_check']); } else { $s_ip = implode('.', array_slice(explode('.', $this->data['session_ip']), 0, $config['ip_check'])); $u_ip = implode('.', array_slice(explode('.', $this->ip), 0, $config['ip_check'])); } $s_browser = ($config['browser_check']) ? trim(strtolower(substr($this->data['session_browser'], 0, 149))) : ''; $u_browser = ($config['browser_check']) ? trim(strtolower(substr($this->browser, 0, 149))) : ''; $s_forwarded_for = ($config['forwarded_for_check']) ? substr($this->data['session_forwarded_for'], 0, 254) : ''; $u_forwarded_for = ($config['forwarded_for_check']) ? substr($this->forwarded_for, 0, 254) : ''; if ($u_ip === $s_ip && $s_browser === $u_browser && $s_forwarded_for === $u_forwarded_for) { $this->session_id = $this->data['session_id']; // Only update session DB a minute or so after last update or if page changes if ($this->time_now - $this->data['session_time'] > 60 || ($this->update_session_page && $this->data['session_page'] != $this->page['page'])) { $this->data['session_time'] = $this->data['session_last_visit'] = $this->time_now; $sql_ary = array('session_time' => $this->time_now, 'session_last_visit' => $this->time_now, 'session_admin' => 0); if ($this->update_session_page) { $sql_ary['session_page'] = substr($this->page['page'], 0, 199); $sql_ary['session_forum_id'] = $this->page['forum']; } $sql = 'UPDATE ' . SESSIONS_TABLE . ' SET ' . $db->sql_build_array('UPDATE', $sql_ary) . " WHERE session_id = '" . $db->sql_escape($this->session_id) . "'"; $db->sql_query($sql); // Update the last visit time $sql = 'UPDATE ' . USERS_TABLE . ' SET user_lastvisit = ' . (int) $this->data['session_time'] . ' WHERE user_id = ' . (int) $this->data['user_id']; $db->sql_query($sql); } $SID = '?sid='; $_SID = ''; return true; } else { // If the ip and browser does not match make sure we only have one bot assigned to one session $db->sql_query('DELETE FROM ' . SESSIONS_TABLE . ' WHERE session_user_id = ' . $this->data['user_id']); } } $session_autologin = (($this->cookie_data['k'] || $persist_login) && $this->data['is_registered']) ? true : false; $set_admin = ($set_admin && $this->data['is_registered']) ? true : false; // Create or update the session $sql_ary = array( 'session_user_id' => (int) $this->data['user_id'], 'session_start' => (int) $this->time_now, 'session_last_visit' => (int) $this->data['session_last_visit'], 'session_time' => (int) $this->time_now, 'session_browser' => (string) trim(substr($this->browser, 0, 149)), 'session_forwarded_for' => (string) $this->forwarded_for, 'session_ip' => (string) $this->ip, 'session_autologin' => ($session_autologin) ? 1 : 0, 'session_admin' => ($set_admin) ? 1 : 0, 'session_viewonline' => ($viewonline) ? 1 : 0, ); if ($this->update_session_page) { $sql_ary['session_page'] = (string) substr($this->page['page'], 0, 199); $sql_ary['session_forum_id'] = $this->page['forum']; } $db->sql_return_on_error(true); $sql = 'DELETE FROM ' . SESSIONS_TABLE . ' WHERE session_id = \'' . $db->sql_escape($this->session_id) . '\' AND session_user_id = ' . ANONYMOUS; if (!defined('IN_ERROR_HANDLER') && (!$this->session_id || !$db->sql_query($sql) || !$db->sql_affectedrows())) { // Limit new sessions in 1 minute period (if required) if (empty($this->data['session_time']) && $config['active_sessions']) { // $db->sql_return_on_error(false); $sql = 'SELECT COUNT(session_id) AS sessions FROM ' . SESSIONS_TABLE . ' WHERE session_time >= ' . ($this->time_now - 60); $result = $db->sql_query($sql); $row = $db->sql_fetchrow($result); $db->sql_freeresult($result); if ((int) $row['sessions'] > (int) $config['active_sessions']) { send_status_line(503, 'Service Unavailable'); trigger_error('BOARD_UNAVAILABLE'); } } } // Since we re-create the session id here, the inserted row must be unique. Therefore, we display potential errors. // Commented out because it will not allow forums to update correctly // $db->sql_return_on_error(false); // Something quite important: session_page always holds the *last* page visited, except for the *first* visit. // We are not able to simply have an empty session_page btw, therefore we need to tell phpBB how to detect this special case. // If the session id is empty, we have a completely new one and will set an "identifier" here. This identifier is able to be checked later. if (empty($this->data['session_id'])) { // This is a temporary variable, only set for the very first visit $this->data['session_created'] = true; } $this->session_id = $this->data['session_id'] = md5(unique_id()); $sql_ary['session_id'] = (string) $this->session_id; $sql_ary['session_page'] = (string) substr($this->page['page'], 0, 199); $sql_ary['session_forum_id'] = $this->page['forum']; $sql = 'INSERT INTO ' . SESSIONS_TABLE . ' ' . $db->sql_build_array('INSERT', $sql_ary); $db->sql_query($sql); $db->sql_return_on_error(false); // Regenerate autologin/persistent login key if ($session_autologin) { $this->set_login_key(); } // refresh data $SID = '?sid=' . $this->session_id; $_SID = $this->session_id; $this->data = array_merge($this->data, $sql_ary); if (!$bot) { $cookie_expire = $this->time_now + (($config['max_autologin_time']) ? 86400 * (int) $config['max_autologin_time'] : 31536000); $this->set_cookie('u', $this->cookie_data['u'], $cookie_expire); $this->set_cookie('k', $this->cookie_data['k'], $cookie_expire); $this->set_cookie('sid', $this->session_id, $cookie_expire); unset($cookie_expire); $sql = 'SELECT COUNT(session_id) AS sessions FROM ' . SESSIONS_TABLE . ' WHERE session_user_id = ' . (int) $this->data['user_id'] . ' AND session_time >= ' . (int) ($this->time_now - (max($config['session_length'], $config['form_token_lifetime']))); $result = $db->sql_query($sql); $row = $db->sql_fetchrow($result); $db->sql_freeresult($result); if ((int) $row['sessions'] <= 1 || empty($this->data['user_form_salt'])) { $this->data['user_form_salt'] = unique_id(); // Update the form key $sql = 'UPDATE ' . USERS_TABLE . ' SET user_form_salt = \'' . $db->sql_escape($this->data['user_form_salt']) . '\' WHERE user_id = ' . (int) $this->data['user_id']; $db->sql_query($sql); } } else { $this->data['session_time'] = $this->data['session_last_visit'] = $this->time_now; // Update the last visit time $sql = 'UPDATE ' . USERS_TABLE . ' SET user_lastvisit = ' . (int) $this->data['session_time'] . ' WHERE user_id = ' . (int) $this->data['user_id']; $db->sql_query($sql); $SID = '?sid='; $_SID = ''; } return true; } /** * Kills a session * * This method does what it says on the tin. It will delete a pre-existing session. * It resets cookie information (destroying any autologin key within that cookie data) * and update the users information from the relevant session data. It will then * grab guest user information. */ function session_kill($new_session = true) { global $SID, $_SID, $db, $config, $phpbb_root_path, $phpEx; $sql = 'DELETE FROM ' . SESSIONS_TABLE . " WHERE session_id = '" . $db->sql_escape($this->session_id) . "' AND session_user_id = " . (int) $this->data['user_id']; $db->sql_query($sql); // Allow connecting logout with external auth method logout $method = basename(trim($config['auth_method'])); include_once($phpbb_root_path . 'includes/auth/auth_' . $method . '.' . $phpEx); $method = 'logout_' . $method; if (function_exists($method)) { $method($this->data, $new_session); } if ($this->data['user_id'] != ANONYMOUS) { // Delete existing session, update last visit info first! if (!isset($this->data['session_time'])) { $this->data['session_time'] = time(); } $sql = 'UPDATE ' . USERS_TABLE . ' SET user_lastvisit = ' . (int) $this->data['session_time'] . ' WHERE user_id = ' . (int) $this->data['user_id']; $db->sql_query($sql); if ($this->cookie_data['k']) { $sql = 'DELETE FROM ' . SESSIONS_KEYS_TABLE . ' WHERE user_id = ' . (int) $this->data['user_id'] . " AND key_id = '" . $db->sql_escape(md5($this->cookie_data['k'])) . "'"; $db->sql_query($sql); } // Reset the data array $this->data = array(); $sql = 'SELECT * FROM ' . USERS_TABLE . ' WHERE user_id = ' . ANONYMOUS; $result = $db->sql_query($sql); $this->data = $db->sql_fetchrow($result); $db->sql_freeresult($result); } $cookie_expire = $this->time_now - 31536000; $this->set_cookie('u', '', $cookie_expire); $this->set_cookie('k', '', $cookie_expire); $this->set_cookie('sid', '', $cookie_expire); unset($cookie_expire); $SID = '?sid='; $this->session_id = $_SID = ''; // To make sure a valid session is created we create one for the anonymous user if ($new_session) { $this->session_create(ANONYMOUS); } return true; } /** * Session garbage collection * * This looks a lot more complex than it really is. Effectively we are * deleting any sessions older than an admin definable limit. Due to the * way in which we maintain session data we have to ensure we update user * data before those sessions are destroyed. In addition this method * removes autologin key information that is older than an admin defined * limit. */ function session_gc() { global $db, $config, $phpbb_root_path, $phpEx; $batch_size = 10; if (!$this->time_now) { $this->time_now = time(); } // Firstly, delete guest sessions $sql = 'DELETE FROM ' . SESSIONS_TABLE . ' WHERE session_user_id = ' . ANONYMOUS . ' AND session_time < ' . (int) ($this->time_now - $config['session_length']); $db->sql_query($sql); // Get expired sessions, only most recent for each user $sql = 'SELECT session_user_id, session_page, MAX(session_time) AS recent_time FROM ' . SESSIONS_TABLE . ' WHERE session_time < ' . ($this->time_now - $config['session_length']) . ' GROUP BY session_user_id, session_page'; $result = $db->sql_query_limit($sql, $batch_size); $del_user_id = array(); $del_sessions = 0; while ($row = $db->sql_fetchrow($result)) { $sql = 'UPDATE ' . USERS_TABLE . ' SET user_lastvisit = ' . (int) $row['recent_time'] . ", user_lastpage = '" . $db->sql_escape($row['session_page']) . "' WHERE user_id = " . (int) $row['session_user_id']; $db->sql_query($sql); $del_user_id[] = (int) $row['session_user_id']; $del_sessions++; } $db->sql_freeresult($result); if (sizeof($del_user_id)) { // Delete expired sessions $sql = 'DELETE FROM ' . SESSIONS_TABLE . ' WHERE ' . $db->sql_in_set('session_user_id', $del_user_id) . ' AND session_time < ' . ($this->time_now - $config['session_length']); $db->sql_query($sql); } if ($del_sessions < $batch_size) { // Less than 10 users, update gc timer ... else we want gc // called again to delete other sessions set_config('session_last_gc', $this->time_now, true); if ($config['max_autologin_time']) { $sql = 'DELETE FROM ' . SESSIONS_KEYS_TABLE . ' WHERE last_login < ' . (time() - (86400 * (int) $config['max_autologin_time'])); $db->sql_query($sql); } // only called from CRON; should be a safe workaround until the infrastructure gets going if (!class_exists('phpbb_captcha_factory')) { include($phpbb_root_path . "includes/captcha/captcha_factory." . $phpEx); } phpbb_captcha_factory::garbage_collect($config['captcha_plugin']); $sql = 'DELETE FROM ' . LOGIN_ATTEMPT_TABLE . ' WHERE attempt_time < ' . (time() - (int) $config['ip_login_limit_time']); $db->sql_query($sql); } return; } /** * Sets a cookie * * Sets a cookie of the given name with the specified data for the given length of time. If no time is specified, a session cookie will be set. * * @param string $name Name of the cookie, will be automatically prefixed with the phpBB cookie name. track becomes [cookie_name]_track then. * @param string $cookiedata The data to hold within the cookie * @param int $cookietime The expiration time as UNIX timestamp. If 0 is provided, a session cookie is set. */ function set_cookie($name, $cookiedata, $cookietime) { global $config; $name_data = rawurlencode($config['cookie_name'] . '_' . $name) . '=' . rawurlencode($cookiedata); $expire = gmdate('D, d-M-Y H:i:s \\G\\M\\T', $cookietime); $domain = (!$config['cookie_domain'] || $config['cookie_domain'] == 'localhost' || $config['cookie_domain'] == '127.0.0.1') ? '' : '; domain=' . $config['cookie_domain']; header('Set-Cookie: ' . $name_data . (($cookietime) ? '; expires=' . $expire : '') . '; path=' . $config['cookie_path'] . $domain . ((!$config['cookie_secure']) ? '' : '; secure') . '; HttpOnly', false); } /** * Check for banned user * * Checks whether the supplied user is banned by id, ip or email. If no parameters * are passed to the method pre-existing session data is used. If $return is false * this routine does not return on finding a banned user, it outputs a relevant * message and stops execution. * * @param string|array $user_ips Can contain a string with one IP or an array of multiple IPs */ function check_ban($user_id = false, $user_ips = false, $user_email = false, $return = false) { global $config, $db; if (defined('IN_CHECK_BAN')) { return; } $banned = false; $cache_ttl = 3600; $where_sql = array(); $sql = 'SELECT ban_ip, ban_userid, ban_email, ban_exclude, ban_give_reason, ban_end FROM ' . BANLIST_TABLE . ' WHERE '; // Determine which entries to check, only return those if ($user_email === false) { $where_sql[] = "ban_email = ''"; } if ($user_ips === false) { $where_sql[] = "(ban_ip = '' OR ban_exclude = 1)"; } if ($user_id === false) { $where_sql[] = '(ban_userid = 0 OR ban_exclude = 1)'; } else { $cache_ttl = ($user_id == ANONYMOUS) ? 3600 : 0; $_sql = '(ban_userid = ' . $user_id; if ($user_email !== false) { $_sql .= " OR ban_email <> ''"; } if ($user_ips !== false) { $_sql .= " OR ban_ip <> ''"; } $_sql .= ')'; $where_sql[] = $_sql; } $sql .= (sizeof($where_sql)) ? implode(' AND ', $where_sql) : ''; $result = $db->sql_query($sql, $cache_ttl); $ban_triggered_by = 'user'; while ($row = $db->sql_fetchrow($result)) { if ($row['ban_end'] && $row['ban_end'] < time()) { continue; } $ip_banned = false; if (!empty($row['ban_ip'])) { if (!is_array($user_ips)) { $ip_banned = preg_match('#^' . str_replace('\*', '.*?', preg_quote($row['ban_ip'], '#')) . '$#i', $user_ips); } else { foreach ($user_ips as $user_ip) { if (preg_match('#^' . str_replace('\*', '.*?', preg_quote($row['ban_ip'], '#')) . '$#i', $user_ip)) { $ip_banned = true; break; } } } } if ((!empty($row['ban_userid']) && intval($row['ban_userid']) == $user_id) || $ip_banned || (!empty($row['ban_email']) && preg_match('#^' . str_replace('\*', '.*?', preg_quote($row['ban_email'], '#')) . '$#i', $user_email))) { if (!empty($row['ban_exclude'])) { $banned = false; break; } else { $banned = true; $ban_row = $row; if (!empty($row['ban_userid']) && intval($row['ban_userid']) == $user_id) { $ban_triggered_by = 'user'; } else if ($ip_banned) { $ban_triggered_by = 'ip'; } else { $ban_triggered_by = 'email'; } // Don't break. Check if there is an exclude rule for this user } } } $db->sql_freeresult($result); if ($banned && !$return) { global $template; // If the session is empty we need to create a valid one... if (empty($this->session_id)) { // This seems to be no longer needed? - #14971 // $this->session_create(ANONYMOUS); } // Initiate environment ... since it won't be set at this stage $this->setup(); // Logout the user, banned users are unable to use the normal 'logout' link if ($this->data['user_id'] != ANONYMOUS) { $this->session_kill(); } // We show a login box here to allow founders accessing the board if banned by IP if (defined('IN_LOGIN') && $this->data['user_id'] == ANONYMOUS) { global $phpEx; $this->setup('ucp'); $this->data['is_registered'] = $this->data['is_bot'] = false; // Set as a precaution to allow login_box() handling this case correctly as well as this function not being executed again. define('IN_CHECK_BAN', 1); login_box("index.$phpEx"); // The false here is needed, else the user is able to circumvent the ban. $this->session_kill(false); } // Ok, we catch the case of an empty session id for the anonymous user... // This can happen if the user is logging in, banned by username and the login_box() being called "again". if (empty($this->session_id) && defined('IN_CHECK_BAN')) { $this->session_create(ANONYMOUS); } // Determine which message to output $till_date = ($ban_row['ban_end']) ? $this->format_date($ban_row['ban_end']) : ''; $message = ($ban_row['ban_end']) ? 'BOARD_BAN_TIME' : 'BOARD_BAN_PERM'; $message = sprintf($this->lang[$message], $till_date, '', ''); $message .= ($ban_row['ban_give_reason']) ? '

' . sprintf($this->lang['BOARD_BAN_REASON'], $ban_row['ban_give_reason']) : ''; $message .= '

' . $this->lang['BAN_TRIGGERED_BY_' . strtoupper($ban_triggered_by)] . ''; // To circumvent session_begin returning a valid value and the check_ban() not called on second page view, we kill the session again $this->session_kill(false); // A very special case... we are within the cron script which is not supposed to print out the ban message... show blank page if (defined('IN_CRON')) { garbage_collection(); exit_handler(); exit; } trigger_error($message); } return ($banned && $ban_row['ban_give_reason']) ? $ban_row['ban_give_reason'] : $banned; } /** * Check if ip is blacklisted * This should be called only where absolutly necessary * * Only IPv4 (rbldns does not support AAAA records/IPv6 lookups) * * @author satmd (from the php manual) * @param string $mode register/post - spamcop for example is ommitted for posting * @return false if ip is not blacklisted, else an array([checked server], [lookup]) */ function check_dnsbl($mode, $ip = false) { if ($ip === false) { $ip = $this->ip; } // Neither Spamhaus nor Spamcop supports IPv6 addresses. if (strpos($ip, ':') !== false) { return false; } $dnsbl_check = array( 'sbl.spamhaus.org' => 'http://www.spamhaus.org/query/bl?ip=', ); if ($mode == 'register') { $dnsbl_check['bl.spamcop.net'] = 'http://spamcop.net/bl.shtml?'; } if ($ip) { $quads = explode('.', $ip); $reverse_ip = $quads[3] . '.' . $quads[2] . '.' . $quads[1] . '.' . $quads[0]; // Need to be listed on all servers... $listed = true; $info = array(); foreach ($dnsbl_check as $dnsbl => $lookup) { if (phpbb_checkdnsrr($reverse_ip . '.' . $dnsbl . '.', 'A') === true) { $info = array($dnsbl, $lookup . $ip); } else { $listed = false; } } if ($listed) { return $info; } } return false; } /** * Check if URI is blacklisted * This should be called only where absolutly necessary, for example on the submitted website field * This function is not in use at the moment and is only included for testing purposes, it may not work at all! * This means it is untested at the moment and therefore commented out * * @param string $uri URI to check * @return true if uri is on blacklist, else false. Only blacklist is checked (~zero FP), no grey lists function check_uribl($uri) { // Normally parse_url() is not intended to parse uris // We need to get the top-level domain name anyway... change. $uri = parse_url($uri); if ($uri === false || empty($uri['host'])) { return false; } $uri = trim($uri['host']); if ($uri) { // One problem here... the return parameter for the "windows" method is different from what // we expect... this may render this check useless... if (phpbb_checkdnsrr($uri . '.multi.uribl.com.', 'A') === true) { return true; } } return false; } */ /** * Set/Update a persistent login key * * This method creates or updates a persistent session key. When a user makes * use of persistent (formerly auto-) logins a key is generated and stored in the * DB. When they revisit with the same key it's automatically updated in both the * DB and cookie. Multiple keys may exist for each user representing different * browsers or locations. As with _any_ non-secure-socket no passphrase login this * remains vulnerable to exploit. */ function set_login_key($user_id = false, $key = false, $user_ip = false) { global $config, $db; $user_id = ($user_id === false) ? $this->data['user_id'] : $user_id; $user_ip = ($user_ip === false) ? $this->ip : $user_ip; $key = ($key === false) ? (($this->cookie_data['k']) ? $this->cookie_data['k'] : false) : $key; $key_id = unique_id(hexdec(substr($this->session_id, 0, 8))); $sql_ary = array( 'key_id' => (string) md5($key_id), 'last_ip' => (string) $this->ip, 'last_login' => (int) time() ); if (!$key) { $sql_ary += array( 'user_id' => (int) $user_id ); } if ($key) { $sql = 'UPDATE ' . SESSIONS_KEYS_TABLE . ' SET ' . $db->sql_build_array('UPDATE', $sql_ary) . ' WHERE user_id = ' . (int) $user_id . " AND key_id = '" . $db->sql_escape(md5($key)) . "'"; } else { $sql = 'INSERT INTO ' . SESSIONS_KEYS_TABLE . ' ' . $db->sql_build_array('INSERT', $sql_ary); } $db->sql_query($sql); $this->cookie_data['k'] = $key_id; return false; } /** * Reset all login keys for the specified user * * This method removes all current login keys for a specified (or the current) * user. It will be called on password change to render old keys unusable */ function reset_login_keys($user_id = false) { global $config, $db; $user_id = ($user_id === false) ? (int) $this->data['user_id'] : (int) $user_id; $sql = 'DELETE FROM ' . SESSIONS_KEYS_TABLE . ' WHERE user_id = ' . (int) $user_id; $db->sql_query($sql); // If the user is logged in, update last visit info first before deleting sessions $sql = 'SELECT session_time, session_page FROM ' . SESSIONS_TABLE . ' WHERE session_user_id = ' . (int) $user_id . ' ORDER BY session_time DESC'; $result = $db->sql_query_limit($sql, 1); $row = $db->sql_fetchrow($result); $db->sql_freeresult($result); if ($row) { $sql = 'UPDATE ' . USERS_TABLE . ' SET user_lastvisit = ' . (int) $row['session_time'] . ", user_lastpage = '" . $db->sql_escape($row['session_page']) . "' WHERE user_id = " . (int) $user_id; $db->sql_query($sql); } // Let's also clear any current sessions for the specified user_id // If it's the current user then we'll leave this session intact $sql_where = 'session_user_id = ' . (int) $user_id; $sql_where .= ($user_id === (int) $this->data['user_id']) ? " AND session_id <> '" . $db->sql_escape($this->session_id) . "'" : ''; $sql = 'DELETE FROM ' . SESSIONS_TABLE . " WHERE $sql_where"; $db->sql_query($sql); // We're changing the password of the current user and they have a key // Lets regenerate it to be safe if ($user_id === (int) $this->data['user_id'] && $this->cookie_data['k']) { $this->set_login_key($user_id); } } /** * Check if the request originated from the same page. * @param bool $check_script_path If true, the path will be checked as well */ function validate_referer($check_script_path = false) { global $config; // no referer - nothing to validate, user's fault for turning it off (we only check on POST; so meta can't be the reason) if (empty($this->referer) || empty($this->host)) { return true; } $host = htmlspecialchars($this->host); $ref = substr($this->referer, strpos($this->referer, '://') + 3); if (!(stripos($ref, $host) === 0) && (!$config['force_server_vars'] || !(stripos($ref, $config['server_name']) === 0))) { return false; } else if ($check_script_path && rtrim($this->page['root_script_path'], '/') !== '') { $ref = substr($ref, strlen($host)); $server_port = (!empty($_SERVER['SERVER_PORT'])) ? (int) $_SERVER['SERVER_PORT'] : (int) getenv('SERVER_PORT'); if ($server_port !== 80 && $server_port !== 443 && stripos($ref, ":$server_port") === 0) { $ref = substr($ref, strlen(":$server_port")); } if (!(stripos(rtrim($ref, '/'), rtrim($this->page['root_script_path'], '/')) === 0)) { return false; } } return true; } function unset_admin() { global $db; $sql = 'UPDATE ' . SESSIONS_TABLE . ' SET session_admin = 0 WHERE session_id = \'' . $db->sql_escape($this->session_id) . '\''; $db->sql_query($sql); } } /** * Base user class * * This is the overarching class which contains (through session extend) * all methods utilised for user functionality during a session. * * @package phpBB3 */ class user extends session { var $lang = array(); var $help = array(); var $theme = array(); var $date_format; var $timezone; var $dst; var $lang_name = false; var $lang_id = false; var $lang_path; var $img_lang; var $img_array = array(); // Able to add new options (up to id 31) var $keyoptions = array('viewimg' => 0, 'viewflash' => 1, 'viewsmilies' => 2, 'viewsigs' => 3, 'viewavatars' => 4, 'viewcensors' => 5, 'attachsig' => 6, 'bbcode' => 8, 'smilies' => 9, 'popuppm' => 10, 'sig_bbcode' => 15, 'sig_smilies' => 16, 'sig_links' => 17); /** * Constructor to set the lang path */ function user() { global $phpbb_root_path; $this->lang_path = $phpbb_root_path . 'language/'; } /** * Function to set custom language path (able to use directory outside of phpBB) * * @param string $lang_path New language path used. * @access public */ function set_custom_lang_path($lang_path) { $this->lang_path = $lang_path; if (substr($this->lang_path, -1) != '/') { $this->lang_path .= '/'; } } /** * Setup basic user-specific items (style, language, ...) */ function setup($lang_set = false, $style = false) { global $db, $template, $config, $auth, $phpEx, $phpbb_root_path, $cache; if ($this->data['user_id'] != ANONYMOUS) { $this->lang_name = (file_exists($this->lang_path . $this->data['user_lang'] . "/common.$phpEx")) ? $this->data['user_lang'] : basename($config['default_lang']); $this->date_format = $this->data['user_dateformat']; $this->timezone = $this->data['user_timezone'] * 3600; $this->dst = $this->data['user_dst'] * 3600; } else { $this->lang_name = basename($config['default_lang']); $this->date_format = $config['default_dateformat']; $this->timezone = $config['board_timezone'] * 3600; $this->dst = $config['board_dst'] * 3600; /** * If a guest user is surfing, we try to guess his/her language first by obtaining the browser language * If re-enabled we need to make sure only those languages installed are checked * Commented out so we do not loose the code. if (isset($_SERVER['HTTP_ACCEPT_LANGUAGE'])) { $accept_lang_ary = explode(',', $_SERVER['HTTP_ACCEPT_LANGUAGE']); foreach ($accept_lang_ary as $accept_lang) { // Set correct format ... guess full xx_YY form $accept_lang = substr($accept_lang, 0, 2) . '_' . strtoupper(substr($accept_lang, 3, 2)); $accept_lang = basename($accept_lang); if (file_exists($this->lang_path . $accept_lang . "/common.$phpEx")) { $this->lang_name = $config['default_lang'] = $accept_lang; break; } else { // No match on xx_YY so try xx $accept_lang = substr($accept_lang, 0, 2); $accept_lang = basename($accept_lang); if (file_exists($this->lang_path . $accept_lang . "/common.$phpEx")) { $this->lang_name = $config['default_lang'] = $accept_lang; break; } } } } */ } // We include common language file here to not load it every time a custom language file is included $lang = &$this->lang; // Do not suppress error if in DEBUG_EXTRA mode $include_result = (defined('DEBUG_EXTRA')) ? (include $this->lang_path . $this->lang_name . "/common.$phpEx") : (@include $this->lang_path . $this->lang_name . "/common.$phpEx"); if ($include_result === false) { die('Language file ' . $this->lang_path . $this->lang_name . "/common.$phpEx" . " couldn't be opened."); } $this->add_lang($lang_set); unset($lang_set); if (!empty($_GET['style']) && $auth->acl_get('a_styles') && !defined('ADMIN_START')) { global $SID, $_EXTRA_URL; $style = request_var('style', 0); $SID .= '&style=' . $style; $_EXTRA_URL = array('style=' . $style); } else { // Set up style $style = ($style) ? $style : ((!$config['override_user_style']) ? $this->data['user_style'] : $config['default_style']); } $sql = 'SELECT s.style_id, t.template_storedb, t.template_path, t.template_id, t.bbcode_bitfield, t.template_inherits_id, t.template_inherit_path, c.theme_path, c.theme_name, c.theme_storedb, c.theme_id, i.imageset_path, i.imageset_id, i.imageset_name FROM ' . STYLES_TABLE . ' s, ' . STYLES_TEMPLATE_TABLE . ' t, ' . STYLES_THEME_TABLE . ' c, ' . STYLES_IMAGESET_TABLE . " i WHERE s.style_id = $style AND t.template_id = s.template_id AND c.theme_id = s.theme_id AND i.imageset_id = s.imageset_id"; $result = $db->sql_query($sql, 3600); $this->theme = $db->sql_fetchrow($result); $db->sql_freeresult($result); // User has wrong style if (!$this->theme && $style == $this->data['user_style']) { $style = $this->data['user_style'] = $config['default_style']; $sql = 'UPDATE ' . USERS_TABLE . " SET user_style = $style WHERE user_id = {$this->data['user_id']}"; $db->sql_query($sql); $sql = 'SELECT s.style_id, t.template_storedb, t.template_path, t.template_id, t.bbcode_bitfield, c.theme_path, c.theme_name, c.theme_storedb, c.theme_id, i.imageset_path, i.imageset_id, i.imageset_name FROM ' . STYLES_TABLE . ' s, ' . STYLES_TEMPLATE_TABLE . ' t, ' . STYLES_THEME_TABLE . ' c, ' . STYLES_IMAGESET_TABLE . " i WHERE s.style_id = $style AND t.template_id = s.template_id AND c.theme_id = s.theme_id AND i.imageset_id = s.imageset_id"; $result = $db->sql_query($sql, 3600); $this->theme = $db->sql_fetchrow($result); $db->sql_freeresult($result); } if (!$this->theme) { trigger_error('NO_STYLE_DATA', E_USER_ERROR); } // Now parse the cfg file and cache it $parsed_items = $cache->obtain_cfg_items($this->theme); // We are only interested in the theme configuration for now $parsed_items = $parsed_items['theme']; $check_for = array( 'parse_css_file' => (int) 0, 'pagination_sep' => (string) ', ' ); foreach ($check_for as $key => $default_value) { $this->theme[$key] = (isset($parsed_items[$key])) ? $parsed_items[$key] : $default_value; settype($this->theme[$key], gettype($default_value)); if (is_string($default_value)) { $this->theme[$key] = htmlspecialchars($this->theme[$key]); } } // If the style author specified the theme needs to be cached // (because of the used paths and variables) than make sure it is the case. // For example, if the theme uses language-specific images it needs to be stored in db. if (!$this->theme['theme_storedb'] && $this->theme['parse_css_file']) { $this->theme['theme_storedb'] = 1; $stylesheet = file_get_contents("{$phpbb_root_path}styles/{$this->theme['theme_path']}/theme/stylesheet.css"); // Match CSS imports $matches = array(); preg_match_all('/@import url\(["\'](.*)["\']\);/i', $stylesheet, $matches); if (sizeof($matches)) { $content = ''; foreach ($matches[0] as $idx => $match) { if ($content = @file_get_contents("{$phpbb_root_path}styles/{$this->theme['theme_path']}/theme/" . $matches[1][$idx])) { $content = trim($content); } else { $content = ''; } $stylesheet = str_replace($match, $content, $stylesheet); } unset($content); } $stylesheet = str_replace('./', 'styles/' . $this->theme['theme_path'] . '/theme/', $stylesheet); $sql_ary = array( 'theme_data' => $stylesheet, 'theme_mtime' => time(), 'theme_storedb' => 1 ); $sql = 'UPDATE ' . STYLES_THEME_TABLE . ' SET ' . $db->sql_build_array('UPDATE', $sql_ary) . ' WHERE theme_id = ' . $this->theme['theme_id']; $db->sql_query($sql); unset($sql_ary); } $template->set_template(); $this->img_lang = (file_exists($phpbb_root_path . 'styles/' . $this->theme['imageset_path'] . '/imageset/' . $this->lang_name)) ? $this->lang_name : $config['default_lang']; // Same query in style.php $sql = 'SELECT * FROM ' . STYLES_IMAGESET_DATA_TABLE . ' WHERE imageset_id = ' . $this->theme['imageset_id'] . " AND image_filename <> '' AND image_lang IN ('" . $db->sql_escape($this->img_lang) . "', '')"; $result = $db->sql_query($sql, 3600); $localised_images = false; while ($row = $db->sql_fetchrow($result)) { if ($row['image_lang']) { $localised_images = true; } $row['image_filename'] = rawurlencode($row['image_filename']); $this->img_array[$row['image_name']] = $row; } $db->sql_freeresult($result); // there were no localised images, try to refresh the localised imageset for the user's language if (!$localised_images) { // Attention: this code ignores the image definition list from acp_styles and just takes everything // that the config file contains $sql_ary = array(); $db->sql_transaction('begin'); $sql = 'DELETE FROM ' . STYLES_IMAGESET_DATA_TABLE . ' WHERE imageset_id = ' . $this->theme['imageset_id'] . ' AND image_lang = \'' . $db->sql_escape($this->img_lang) . '\''; $result = $db->sql_query($sql); if (@file_exists("{$phpbb_root_path}styles/{$this->theme['imageset_path']}/imageset/{$this->img_lang}/imageset.cfg")) { $cfg_data_imageset_data = parse_cfg_file("{$phpbb_root_path}styles/{$this->theme['imageset_path']}/imageset/{$this->img_lang}/imageset.cfg"); foreach ($cfg_data_imageset_data as $image_name => $value) { if (strpos($value, '*') !== false) { if (substr($value, -1, 1) === '*') { list($image_filename, $image_height) = explode('*', $value); $image_width = 0; } else { list($image_filename, $image_height, $image_width) = explode('*', $value); } } else { $image_filename = $value; $image_height = $image_width = 0; } if (strpos($image_name, 'img_') === 0 && $image_filename) { $image_name = substr($image_name, 4); $sql_ary[] = array( 'image_name' => (string) $image_name, 'image_filename' => (string) $image_filename, 'image_height' => (int) $image_height, 'image_width' => (int) $image_width, 'imageset_id' => (int) $this->theme['imageset_id'], 'image_lang' => (string) $this->img_lang, ); } } } if (sizeof($sql_ary)) { $db->sql_multi_insert(STYLES_IMAGESET_DATA_TABLE, $sql_ary); $db->sql_transaction('commit'); $cache->destroy('sql', STYLES_IMAGESET_DATA_TABLE); add_log('admin', 'LOG_IMAGESET_LANG_REFRESHED', $this->theme['imageset_name'], $this->img_lang); } else { $db->sql_transaction('commit'); add_log('admin', 'LOG_IMAGESET_LANG_MISSING', $this->theme['imageset_name'], $this->img_lang); } } // Call phpbb_user_session_handler() in case external application want to "bend" some variables or replace classes... // After calling it we continue script execution... phpbb_user_session_handler(); // If this function got called from the error handler we are finished here. if (defined('IN_ERROR_HANDLER')) { return; } // Disable board if the install/ directory is still present // For the brave development army we do not care about this, else we need to comment out this everytime we develop locally if (!defined('DEBUG_EXTRA') && !defined('ADMIN_START') && !defined('IN_INSTALL') && !defined('IN_LOGIN') && file_exists($phpbb_root_path . 'install') && !is_file($phpbb_root_path . 'install')) { // Adjust the message slightly according to the permissions if ($auth->acl_gets('a_', 'm_') || $auth->acl_getf_global('m_')) { $message = 'REMOVE_INSTALL'; } else { $message = (!empty($config['board_disable_msg'])) ? $config['board_disable_msg'] : 'BOARD_DISABLE'; } trigger_error($message); } // Is board disabled and user not an admin or moderator? if ($config['board_disable'] && !defined('IN_LOGIN') && !$auth->acl_gets('a_', 'm_') && !$auth->acl_getf_global('m_')) { if ($this->data['is_bot']) { send_status_line(503, 'Service Unavailable'); } $message = (!empty($config['board_disable_msg'])) ? $config['board_disable_msg'] : 'BOARD_DISABLE'; trigger_error($message); } // Is load exceeded? if ($config['limit_load'] && $this->load !== false) { if ($this->load > floatval($config['limit_load']) && !defined('IN_LOGIN') && !defined('IN_ADMIN')) { // Set board disabled to true to let the admins/mods get the proper notification $config['board_disable'] = '1'; if (!$auth->acl_gets('a_', 'm_') && !$auth->acl_getf_global('m_')) { if ($this->data['is_bot']) { send_status_line(503, 'Service Unavailable'); } trigger_error('BOARD_UNAVAILABLE'); } } } if (isset($this->data['session_viewonline'])) { // Make sure the user is able to hide his session if (!$this->data['session_viewonline']) { // Reset online status if not allowed to hide the session... if (!$auth->acl_get('u_hideonline')) { $sql = 'UPDATE ' . SESSIONS_TABLE . ' SET session_viewonline = 1 WHERE session_user_id = ' . $this->data['user_id']; $db->sql_query($sql); $this->data['session_viewonline'] = 1; } } else if (!$this->data['user_allow_viewonline']) { // the user wants to hide and is allowed to -> cloaking device on. if ($auth->acl_get('u_hideonline')) { $sql = 'UPDATE ' . SESSIONS_TABLE . ' SET session_viewonline = 0 WHERE session_user_id = ' . $this->data['user_id']; $db->sql_query($sql); $this->data['session_viewonline'] = 0; } } } // Does the user need to change their password? If so, redirect to the // ucp profile reg_details page ... of course do not redirect if we're already in the ucp if (!defined('IN_ADMIN') && !defined('ADMIN_START') && $config['chg_passforce'] && !empty($this->data['is_registered']) && $auth->acl_get('u_chgpasswd') && $this->data['user_passchg'] < time() - ($config['chg_passforce'] * 86400)) { if (strpos($this->page['query_string'], 'mode=reg_details') === false && $this->page['page_name'] != "ucp.$phpEx") { redirect(append_sid("{$phpbb_root_path}ucp.$phpEx", 'i=profile&mode=reg_details')); } } return; } /** * More advanced language substitution * Function to mimic sprintf() with the possibility of using phpBB's language system to substitute nullar/singular/plural forms. * Params are the language key and the parameters to be substituted. * This function/functionality is inspired by SHS` and Ashe. * * Example call: $user->lang('NUM_POSTS_IN_QUEUE', 1); */ function lang() { $args = func_get_args(); $key = $args[0]; if (is_array($key)) { $lang = &$this->lang[array_shift($key)]; foreach ($key as $_key) { $lang = &$lang[$_key]; } } else { $lang = &$this->lang[$key]; } // Return if language string does not exist if (!isset($lang) || (!is_string($lang) && !is_array($lang))) { return $key; } // If the language entry is a string, we simply mimic sprintf() behaviour if (is_string($lang)) { if (sizeof($args) == 1) { return $lang; } // Replace key with language entry and simply pass along... $args[0] = $lang; return call_user_func_array('sprintf', $args); } // It is an array... now handle different nullar/singular/plural forms $key_found = false; // We now get the first number passed and will select the key based upon this number for ($i = 1, $num_args = sizeof($args); $i < $num_args; $i++) { if (is_int($args[$i])) { $numbers = array_keys($lang); foreach ($numbers as $num) { if ($num > $args[$i]) { break; } $key_found = $num; } break; } } // Ok, let's check if the key was found, else use the last entry (because it is mostly the plural form) if ($key_found === false) { $numbers = array_keys($lang); $key_found = end($numbers); } // Use the language string we determined and pass it to sprintf() $args[0] = $lang[$key_found]; return call_user_func_array('sprintf', $args); } /** * Add Language Items - use_db and use_help are assigned where needed (only use them to force inclusion) * * @param mixed $lang_set specifies the language entries to include * @param bool $use_db internal variable for recursion, do not use * @param bool $use_help internal variable for recursion, do not use * * Examples: * * $lang_set = array('posting', 'help' => 'faq'); * $lang_set = array('posting', 'viewtopic', 'help' => array('bbcode', 'faq')) * $lang_set = array(array('posting', 'viewtopic'), 'help' => array('bbcode', 'faq')) * $lang_set = 'posting' * $lang_set = array('help' => 'faq', 'db' => array('help:faq', 'posting')) * */ function add_lang($lang_set, $use_db = false, $use_help = false) { global $phpEx; if (is_array($lang_set)) { foreach ($lang_set as $key => $lang_file) { // Please do not delete this line. // We have to force the type here, else [array] language inclusion will not work $key = (string) $key; if ($key == 'db') { $this->add_lang($lang_file, true, $use_help); } else if ($key == 'help') { $this->add_lang($lang_file, $use_db, true); } else if (!is_array($lang_file)) { $this->set_lang($this->lang, $this->help, $lang_file, $use_db, $use_help); } else { $this->add_lang($lang_file, $use_db, $use_help); } } unset($lang_set); } else if ($lang_set) { $this->set_lang($this->lang, $this->help, $lang_set, $use_db, $use_help); } } /** * Set language entry (called by add_lang) * @access private */ function set_lang(&$lang, &$help, $lang_file, $use_db = false, $use_help = false) { global $phpEx; // Make sure the language name is set (if the user setup did not happen it is not set) if (!$this->lang_name) { global $config; $this->lang_name = basename($config['default_lang']); } // $lang == $this->lang // $help == $this->help // - add appropriate variables here, name them as they are used within the language file... if (!$use_db) { if ($use_help && strpos($lang_file, '/') !== false) { $language_filename = $this->lang_path . $this->lang_name . '/' . substr($lang_file, 0, stripos($lang_file, '/') + 1) . 'help_' . substr($lang_file, stripos($lang_file, '/') + 1) . '.' . $phpEx; } else { $language_filename = $this->lang_path . $this->lang_name . '/' . (($use_help) ? 'help_' : '') . $lang_file . '.' . $phpEx; } if (!file_exists($language_filename)) { global $config; if ($this->lang_name == 'en') { // The user's selected language is missing the file, the board default's language is missing the file, and the file doesn't exist in /en. $language_filename = str_replace($this->lang_path . 'en', $this->lang_path . $this->data['user_lang'], $language_filename); trigger_error('Language file ' . $language_filename . ' couldn\'t be opened.', E_USER_ERROR); } else if ($this->lang_name == basename($config['default_lang'])) { // Fall back to the English Language $this->lang_name = 'en'; $this->set_lang($lang, $help, $lang_file, $use_db, $use_help); } else if ($this->lang_name == $this->data['user_lang']) { // Fall back to the board default language $this->lang_name = basename($config['default_lang']); $this->set_lang($lang, $help, $lang_file, $use_db, $use_help); } // Reset the lang name $this->lang_name = (file_exists($this->lang_path . $this->data['user_lang'] . "/common.$phpEx")) ? $this->data['user_lang'] : basename($config['default_lang']); return; } // Do not suppress error if in DEBUG_EXTRA mode $include_result = (defined('DEBUG_EXTRA')) ? (include $language_filename) : (@include $language_filename); if ($include_result === false) { trigger_error('Language file ' . $language_filename . ' couldn\'t be opened.', E_USER_ERROR); } } else if ($use_db) { // Get Database Language Strings // Put them into $lang if nothing is prefixed, put them into $help if help: is prefixed // For example: help:faq, posting } } /** * Format user date * * @param int $gmepoch unix timestamp * @param string $format date format in date() notation. | used to indicate relative dates, for example |d m Y|, h:i is translated to Today, h:i. * @param bool $forcedate force non-relative date format. * * @return mixed translated date */ function format_date($gmepoch, $format = false, $forcedate = false) { static $midnight; static $date_cache; $format = (!$format) ? $this->date_format : $format; $now = time(); $delta = $now - $gmepoch; if (!isset($date_cache[$format])) { // Is the user requesting a friendly date format (i.e. 'Today 12:42')? $date_cache[$format] = array( 'is_short' => strpos($format, '|'), 'format_short' => substr($format, 0, strpos($format, '|')) . '||' . substr(strrchr($format, '|'), 1), 'format_long' => str_replace('|', '', $format), // Filter out values that are not strings (e.g. arrays) for strtr(). 'lang' => array_filter($this->lang['datetime'], 'is_string'), ); // Short representation of month in format? Some languages use different terms for the long and short format of May if ((strpos($format, '\M') === false && strpos($format, 'M') !== false) || (strpos($format, '\r') === false && strpos($format, 'r') !== false)) { $date_cache[$format]['lang']['May'] = $this->lang['datetime']['May_short']; } } // Zone offset $zone_offset = $this->timezone + $this->dst; // Show date <= 1 hour ago as 'xx min ago' but not greater than 60 seconds in the future // A small tolerence is given for times in the future but in the same minute are displayed as '< than a minute ago' if ($delta <= 3600 && $delta > -60 && ($delta >= -5 || (($now / 60) % 60) == (($gmepoch / 60) % 60)) && $date_cache[$format]['is_short'] !== false && !$forcedate && isset($this->lang['datetime']['AGO'])) { return $this->lang(array('datetime', 'AGO'), max(0, (int) floor($delta / 60))); } if (!$midnight) { list($d, $m, $y) = explode(' ', gmdate('j n Y', time() + $zone_offset)); $midnight = gmmktime(0, 0, 0, $m, $d, $y) - $zone_offset; } if ($date_cache[$format]['is_short'] !== false && !$forcedate && !($gmepoch < $midnight - 86400 || $gmepoch > $midnight + 172800)) { $day = false; if ($gmepoch > $midnight + 86400) { $day = 'TOMORROW'; } else if ($gmepoch > $midnight) { $day = 'TODAY'; } else if ($gmepoch > $midnight - 86400) { $day = 'YESTERDAY'; } if ($day !== false) { return str_replace('||', $this->lang['datetime'][$day], strtr(@gmdate($date_cache[$format]['format_short'], $gmepoch + $zone_offset), $date_cache[$format]['lang'])); } } return strtr(@gmdate($date_cache[$format]['format_long'], $gmepoch + $zone_offset), $date_cache[$format]['lang']); } /** * Get language id currently used by the user */ function get_iso_lang_id() { global $config, $db; if (!empty($this->lang_id)) { return $this->lang_id; } if (!$this->lang_name) { $this->lang_name = $config['default_lang']; } $sql = 'SELECT lang_id FROM ' . LANG_TABLE . " WHERE lang_iso = '" . $db->sql_escape($this->lang_name) . "'"; $result = $db->sql_query($sql); $this->lang_id = (int) $db->sql_fetchfield('lang_id'); $db->sql_freeresult($result); return $this->lang_id; } /** * Get users profile fields */ function get_profile_fields($user_id) { global $db; if (isset($this->profile_fields)) { return; } $sql = 'SELECT * FROM ' . PROFILE_FIELDS_DATA_TABLE . " WHERE user_id = $user_id"; $result = $db->sql_query_limit($sql, 1); $this->profile_fields = (!($row = $db->sql_fetchrow($result))) ? array() : $row; $db->sql_freeresult($result); } /** * Specify/Get image * $suffix is no longer used - we know it. ;) It is there for backward compatibility. */ function img($img, $alt = '', $width = false, $suffix = '', $type = 'full_tag') { static $imgs; global $phpbb_root_path; $img_data = &$imgs[$img]; if (empty($img_data)) { if (!isset($this->img_array[$img])) { // Do not fill the image to let designers decide what to do if the image is empty $img_data = ''; return $img_data; } // Use URL if told so $root_path = (defined('PHPBB_USE_BOARD_URL_PATH') && PHPBB_USE_BOARD_URL_PATH) ? generate_board_url() . '/' : $phpbb_root_path; $path = 'styles/' . rawurlencode($this->theme['imageset_path']) . '/imageset/' . ($this->img_array[$img]['image_lang'] ? $this->img_array[$img]['image_lang'] .'/' : '') . $this->img_array[$img]['image_filename']; $img_data['src'] = $root_path . $path; $img_data['width'] = $this->img_array[$img]['image_width']; $img_data['height'] = $this->img_array[$img]['image_height']; // We overwrite the width and height to the phpbb logo's width // and height here if the contents of the site_logo file are // really equal to the phpbb_logo // This allows us to change the dimensions of the phpbb_logo without // modifying the imageset.cfg and causing a conflict for everyone // who modified it for their custom logo on updating if ($img == 'site_logo' && file_exists($phpbb_root_path . $path)) { global $cache; $img_file_hashes = $cache->get('imageset_site_logo_md5'); if ($img_file_hashes === false) { $img_file_hashes = array(); } $key = $this->theme['imageset_path'] . '::' . $this->img_array[$img]['image_lang']; if (!isset($img_file_hashes[$key])) { $img_file_hashes[$key] = md5(file_get_contents($phpbb_root_path . $path)); $cache->put('imageset_site_logo_md5', $img_file_hashes); } $phpbb_logo_hash = '0c461a32cd3621643105f0d02a772c10'; if ($phpbb_logo_hash == $img_file_hashes[$key]) { $img_data['width'] = '149'; $img_data['height'] = '52'; } } } $alt = (!empty($this->lang[$alt])) ? $this->lang[$alt] : $alt; switch ($type) { case 'src': return $img_data['src']; break; case 'width': return ($width === false) ? $img_data['width'] : $width; break; case 'height': return $img_data['height']; break; default: $use_width = ($width === false) ? $img_data['width'] : $width; return '' . $alt . ''; break; } } /** * Get option bit field from user options. * * @param int $key option key, as defined in $keyoptions property. * @param int $data bit field value to use, or false to use $this->data['user_options'] * @return bool true if the option is set in the bit field, false otherwise */ function optionget($key, $data = false) { $var = ($data !== false) ? $data : $this->data['user_options']; return phpbb_optionget($this->keyoptions[$key], $var); } /** * Set option bit field for user options. * * @param int $key Option key, as defined in $keyoptions property. * @param bool $value True to set the option, false to clear the option. * @param int $data Current bit field value, or false to use $this->data['user_options'] * @return int|bool If $data is false, the bit field is modified and * written back to $this->data['user_options'], and * return value is true if the bit field changed and * false otherwise. If $data is not false, the new * bitfield value is returned. */ function optionset($key, $value, $data = false) { $var = ($data !== false) ? $data : $this->data['user_options']; $new_var = phpbb_optionset($this->keyoptions[$key], $value, $var); if ($data === false) { if ($new_var != $var) { $this->data['user_options'] = $new_var; return true; } else { return false; } } else { return $new_var; } } /** * Funtion to make the user leave the NEWLY_REGISTERED system group. * @access public */ function leave_newly_registered() { global $db; if (empty($this->data['user_new'])) { return false; } if (!function_exists('remove_newly_registered')) { global $phpbb_root_path, $phpEx; include($phpbb_root_path . 'includes/functions_user.' . $phpEx); } if ($group = remove_newly_registered($this->data['user_id'], $this->data)) { $this->data['group_id'] = $group; } $this->data['user_permissions'] = ''; $this->data['user_new'] = 0; return true; } /** * Returns all password protected forum ids the user is currently NOT authenticated for. * * @return array Array of forum ids * @access public */ function get_passworded_forums() { global $db; $sql = 'SELECT f.forum_id, fa.user_id FROM ' . FORUMS_TABLE . ' f LEFT JOIN ' . FORUMS_ACCESS_TABLE . " fa ON (fa.forum_id = f.forum_id AND fa.session_id = '" . $db->sql_escape($this->session_id) . "') WHERE f.forum_password <> ''"; $result = $db->sql_query($sql); $forum_ids = array(); while ($row = $db->sql_fetchrow($result)) { $forum_id = (int) $row['forum_id']; if ($row['user_id'] != $this->data['user_id']) { $forum_ids[$forum_id] = $forum_id; } } $db->sql_freeresult($result); return $forum_ids; } } ?>