[phpBB Commits] r9185 [3/4] - in /branches/acydburn/phpBB/includes: acm/index.php acp/auth.php auth.php auth/auth_db.php auth/db.php classes/acl.php classes/acl_admin.php classes/session.php classes/user.php core/core_security.php core/core_url.php session.php
Meik Sievertsen
acydburn at phpbb.com
Thu Dec 11 18:39:52 CET 2008
Added: branches/acydburn/phpBB/includes/classes/session.php
==============================================================================
*** branches/acydburn/phpBB/includes/classes/session.php (added)
--- branches/acydburn/phpBB/includes/classes/session.php Thu Dec 11 17:39:51 2008
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*** 0 ****
--- 1,1423 ----
+ <?php
+ /**
+ *
+ * @package phpBB3
+ * @version $Id$
+ * @copyright (c) 2005 phpBB Group
+ * @license http://opensource.org/licenses/gpl-license.php GNU Public License
+ *
+ */
+
+ /**
+ * @ignore
+ */
+ if (!defined('IN_PHPBB'))
+ {
+ exit;
+ }
+
+ class phpbb_server
+ {
+ /**
+ * Get valid hostname/port. HTTP_HOST is used, SERVER_NAME if HTTP_HOST not present.
+ */
+ public static function get_host()
+ {
+ // 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(phpbb::$config['cookie_domain']) && $host === phpbb::$config['cookie_domain']) || (isset(phpbb::$config['server_name']) && $host === phpbb::$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, PHP_URL_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(phpbb::$config['server_name']))
+ {
+ $host = phpbb::$config['server_name'];
+ }
+ else if (!empty(phpbb::$config['cookie_domain']))
+ {
+ $host = (strpos(phpbb::$config['cookie_domain'], '.') === 0) ? substr(phpbb::$config['cookie_domain'], 1) : phpbb::$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;
+ }
+
+ /**
+ * Extract current session page, relative from current root path (PHPBB_ROOT_PATH)
+ */
+ public static function get_page()
+ {
+ $page_array = array();
+
+ // First of all, get the request uri...
+ $script_name = (!empty($_SERVER['PHP_SELF'])) ? $_SERVER['PHP_SELF'] : getenv('PHP_SELF');
+ $args = (!empty($_SERVER['QUERY_STRING'])) ? explode('&', $_SERVER['QUERY_STRING']) : explode('&', getenv('QUERY_STRING'));
+
+ // If we are unable to get the script name we use REQUEST_URI as a failover and note it within the page array for easier support...
+ if (!$script_name)
+ {
+ $script_name = (!empty($_SERVER['REQUEST_URI'])) ? $_SERVER['REQUEST_URI'] : getenv('REQUEST_URI');
+ $script_name = (($pos = strpos($script_name, '?')) !== false) ? substr($script_name, 0, $pos) : $script_name;
+ $page_array['failover'] = 1;
+ }
+
+ // Replace backslashes and doubled slashes (could happen on some proxy setups)
+ $script_name = str_replace(array('\\', '//'), '/', $script_name);
+
+ // Now, remove the sid and let us get a clean query string...
+ $use_args = array();
+
+ // Since some browser do not encode correctly we need to do this with some "special" characters...
+ // " -> %22, ' => %27, < -> %3C, > -> %3E
+ $find = array('"', "'", '<', '>');
+ $replace = array('%22', '%27', '%3C', '%3E');
+
+ foreach ($args as $argument)
+ {
+ if (strpos($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)
+ $page_name = basename($script_name);
+ $page_name = urlencode(htmlspecialchars($page_name));
+
+ // current directory within the phpBB root (for example: adm)
+ $root_dirs = explode('/', str_replace('\\', '/', phpbb::$url->realpath(PHPBB_ROOT_PATH)));
+ $page_dirs = explode('/', str_replace('\\', '/', phpbb::$url->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' => request_var('f', 0),
+ );
+
+ return $page_array;
+ }
+
+ public static function get_browser()
+ {
+ return (!empty($_SERVER['HTTP_USER_AGENT'])) ? htmlspecialchars((string) $_SERVER['HTTP_USER_AGENT']) : '';
+ }
+
+ public static function get_referer()
+ {
+ return (!empty($_SERVER['HTTP_REFERER'])) ? htmlspecialchars((string) $_SERVER['HTTP_REFERER']) : '';
+ }
+
+ public static function get_port()
+ {
+ return (!empty($_SERVER['SERVER_PORT'])) ? (int) $_SERVER['SERVER_PORT'] : (int) getenv('SERVER_PORT');
+ }
+
+ public static function get_forwarded_for()
+ {
+ $forwarded_for = (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) ? (string) $_SERVER['HTTP_X_FORWARDED_FOR'] : '';
+
+ // if the forwarded for header shall be checked we have to validate its contents
+ if (phpbb::$config['forwarded_for_check'])
+ {
+ $forwarded_for = preg_replace('#, +#', ', ', $forwarded_for);
+
+ // split the list of IPs
+ $ips = explode(', ', $forwarded_for);
+ foreach ($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'), $ip))
+ {
+ // contains invalid data, don't use the forwarded for header
+ return '';
+ }
+ }
+ }
+ else
+ {
+ return '';
+ }
+ }
+
+ public static function get_ip()
+ {
+ // Why no forwarded_for et al? Well, too easily spoofed. With the results of my recent requests
+ // it's pretty clear that in the majority of cases you'll at least be left with a proxy/cache ip.
+ return (!empty($_SERVER['REMOTE_ADDR'])) ? htmlspecialchars($_SERVER['REMOTE_ADDR']) : '';
+ }
+
+ public static function get_load()
+ {
+ $load = false;
+
+ // Load limit check (if applicable)
+ if (phpbb::$config['limit_load'] || phpbb::$config['limit_search_load'])
+ {
+ if ((function_exists('sys_getloadavg') && $load = sys_getloadavg()) || ($load = explode(' ', @file_get_contents('/proc/loadavg'))))
+ {
+ $load = array_slice($load, 0, 1);
+ $load = floatval($load[0]);
+ }
+ else
+ {
+ set_config('limit_load', '0');
+ set_config('limit_search_load', '0');
+ }
+ }
+
+ return $load;
+ }
+
+ public static function get_request_method()
+ {
+ return (isset($_SERVER['REQUEST_METHOD'])) ? strtolower(htmlspecialchars((string) $_SERVER['REQUEST_METHOD'])) : '';
+ }
+ }
+
+ /**
+ * Session class
+ * @package phpBB3
+ */
+ class phpbb_session
+ {
+ private $cookie_data = array();
+
+ public $data = array();
+ public $server = array();
+ public $session_id = '';
+ public $time_now = 0;
+ public $update_session_page = true;
+
+ public $auth = NULL;
+
+ public $is_registered = false;
+ public $is_bot = false;
+
+ public function __construct()
+ {
+ // Reset data array ;)
+ $this->data = array();
+
+ // Init auth object
+ $method = basename(trim(phpbb::$config['auth_method']));
+ $class = 'phpbb_auth_' . $method;
+ $this->auth = new $class();
+ }
+
+ /**
+ * 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 $update_session_page if true the session page gets updated.
+ * This can be set to circumvent certain scripts to update the users last visited page.
+ */
+ public function session_begin($update_session_page = true)
+ {
+ global $SID, $_SID, $_EXTRA_URL;
+
+ // Give us some basic information
+ $this->time_now = time();
+ $this->cookie_data = array('u' => 0, 'k' => '');
+ $this->update_session_page = $update_session_page;
+
+ // Some server variables, directly generated by phpbb_server methods
+ $this->server = array();
+
+ foreach (get_class_methods('phpbb_server') as $method)
+ {
+ if (strpos($method, 'get_') !== 0)
+ {
+ continue;
+ }
+
+ $this->server[substr($method, 4)] = phpbb_server::$method();
+ }
+
+ if (request::is_set(phpbb::$config['cookie_name'] . '_sid', request::COOKIE) || request::is_set(phpbb::$config['cookie_name'] . '_u', request::COOKIE))
+ {
+ $this->cookie_data['u'] = request_var(phpbb::$config['cookie_name'] . '_u', 0, false, true);
+ $this->cookie_data['k'] = request_var(phpbb::$config['cookie_name'] . '_k', '', false, true);
+ $this->session_id = request_var(phpbb::$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;
+ }
+
+ $_EXTRA_URL = array();
+
+ // Now check for an existing session
+ if ($this->session_exist())
+ {
+ return true;
+ }
+
+ // If we reach here then no (valid) session exists. So we'll create a new one
+ return $this->session_create();
+ }
+
+ /**
+ * Create a new session
+ *
+ * If upon trying to start a session we discover there is nothing existing we
+ * jump here. Additionally this method is called directly during login to regenerate
+ * the session for the specific user. In this method we carry out a number of tasks;
+ * garbage collection, (search)bot checking, banned user comparison. Basically
+ * though this method will result in a new session for a specific user.
+ */
+ public function session_create($user_id = false, $set_admin = false, $persist_login = false, $viewonline = true)
+ {
+ global $SID, $_SID;
+
+ // There is one case where we need to add a "failsafe" user... when we are not able to query the database
+ if (!phpbb::registered('db'))
+ {
+ $this->data = $this->default_data();
+ return true;
+ }
+
+ // If the data array is filled, chances are high that there was a different session active
+ if (sizeof($this->data))
+ {
+ // Kill the session and do not create a new one
+ $this->session_kill(false);
+ }
+
+ $this->data = array();
+
+ /* Garbage collection ... remove old sessions updating user information
+ // if necessary. It means (potentially) 11 queries but only infrequently
+ if ($this->time_now > phpbb::$config['session_last_gc'] + phpbb::$config['session_gc'])
+ {
+ $this->session_gc();
+ }*/
+
+ // Do we allow autologin on this board? No? Then override anything
+ // that may be requested here
+ if (!phpbb::$config['allow_autologin'])
+ {
+ $this->cookie_data['k'] = $persist_login = false;
+ }
+
+ // Check for autologin key. ;)
+ if (method_exists($this->auth, 'autologin'))
+ {
+ $this->data = $this->auth->autologin();
+
+ if (sizeof($this->data))
+ {
+ $this->cookie_data['k'] = '';
+ $this->cookie_data['u'] = $this->data['user_id'];
+ }
+ }
+
+ // NULL indicates we need to check for a bot later. Sometimes it is apparant that it is not a bot. ;) No need to always check this.
+ $bot = NULL;
+
+ // If we're presented with an autologin key we'll join against it.
+ // Else if we've been passed a user_id we'll grab data based on that
+ if (isset($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) $this->cookie_data['u'] . '
+ AND u.user_type IN (' . USER_NORMAL . ', ' . USER_FOUNDER . ")
+ AND k.user_id = u.user_id
+ AND k.key_id = '" . phpbb::$db->sql_escape(md5($this->cookie_data['k'])) . "'";
+ $result = phpbb::$db->sql_query($sql);
+ $this->data = phpbb::$db->sql_fetchrow($result);
+ phpbb::$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 . ')';
+ $result = phpbb::$db->sql_query($sql);
+ $this->data = phpbb::$db->sql_fetchrow($result);
+ phpbb::$db->sql_freeresult($result);
+
+ $bot = false;
+ }
+
+ /**
+ * Here we do a bot check, oh er saucy! No, not that kind of bot
+ * check. We loop through the list of bots defined by the admin and
+ * see if we have any useragent and/or IP matches. If we do, this is a
+ * bot, act accordingly
+ */
+ if ($bot === NULL)
+ {
+ $bot = $this->check_bot();
+ }
+
+ // If no data was returned one or more of the following occurred:
+ // Key didn't match one in the DB
+ // User does not exist
+ // User is inactive
+ // User is bot
+ if (!sizeof($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;
+ }
+
+ $result = phpbb::$db->sql_query($sql);
+ $this->data = phpbb::$db->sql_fetchrow($result);
+ phpbb::$db->sql_freeresult($result);
+
+ $this->is_registered = false;
+ }
+ else
+ {
+ $this->is_registered = true;
+ }
+
+ // Force user id to be integer...
+ $this->data['user_id'] = (int) $this->data['user_id'];
+
+ // Code for ANONYMOUS user, INACTIVE user and BOTS
+ if (!$this->is_registered)
+ {
+ // Set last visit date to 'now'
+ $this->data['session_last_visit'] = $this->time_now;
+ $this->is_bot = ($bot) ? true : false;
+
+ // If our friend is a bot, we re-assign a previously assigned session
+ if ($this->is_bot && $bot == $this->data['user_id'] && $this->data['session_id'])
+ {
+ if ($this->session_valid(false))
+ {
+ $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->server['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->server['page']['page'], 0, 199);
+ }
+
+ $sql = 'UPDATE ' . SESSIONS_TABLE . ' SET ' . phpbb::$db->sql_build_array('UPDATE', $sql_ary) . "
+ WHERE session_id = '" . phpbb::$db->sql_escape($this->session_id) . "'";
+ phpbb::$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) $this->data['user_id'];
+ phpbb::$db->sql_query($sql);
+ }
+
+ $SID = '?sid=';
+ $_SID = '';
+
+ return true;
+ }
+ else
+ {
+ // If the ip and browser does not match make sure we only have one bot assigned to one session
+ phpbb::$db->sql_query('DELETE FROM ' . SESSIONS_TABLE . ' WHERE session_user_id = ' . $this->data['user_id']);
+ }
+ }
+ }
+ else
+ {
+ // Code for registered users
+ $this->data['session_last_visit'] = (!empty($this->data['session_time'])) ? $this->data['session_time'] : (($this->data['user_lastvisit']) ? $this->data['user_lastvisit'] : $this->time_now);
+ $this->is_bot = false;
+ }
+
+ // At this stage we should have a filled data array, defined cookie u and k data.
+ // data array should contain recent session info if we're a real user and a recent
+ // session exists in which case session_id will also be set
+
+ // Is user banned? Are they excluded? Won't return on ban, exists within method
+ if ($this->data['user_type'] != USER_FOUNDER)
+ {
+ if (!phpbb::$config['forwarded_for_check'])
+ {
+ $this->check_ban($this->data['user_id'], $this->server['ip']);
+ }
+ else
+ {
+ $ips = explode(', ', $this->forwarded_for);
+ $ips[] = $this->server['ip'];
+ $this->check_ban($this->data['user_id'], $ips);
+ }
+ }
+
+ $session_autologin = (($this->cookie_data['k'] || $persist_login) && $this->is_registered) ? true : false;
+ $set_admin = ($set_admin && $this->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->server['browser'], 0, 149)),
+ 'session_forwarded_for' => (string) $this->server['forwarded_for'],
+ 'session_ip' => (string) $this->server['ip'],
+ 'session_autologin' => ($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->server['page']['page'], 0, 199);
+ }
+
+ phpbb::$db->sql_return_on_error(true);
+
+ // Delete old session, if user id now different from anonymous
+ if (!defined('IN_ERROR_HANDLER'))
+ {
+ // We do not care about the user id, because we assign a new session later
+ $sql = 'DELETE
+ FROM ' . SESSIONS_TABLE . "
+ WHERE session_id = '" . phpbb::$db->sql_escape($this->session_id) . "'";
+ $result = phpbb::$db->sql_query($sql);
+
+ // If there were no sessions or the session id empty (then the affected rows will be empty too), then we have a brand new session and can check the active sessions limit
+ if ((!$result || !phpbb::$db->sql_affectedrows()) && (empty($this->data['session_time']) && phpbb::$config['active_sessions']))
+ {
+ $sql = 'SELECT COUNT(session_id) AS sessions
+ FROM ' . SESSIONS_TABLE . '
+ WHERE session_time >= ' . ($this->time_now - 60);
+ $result = phpbb::$db->sql_query($sql);
+ $row = phpbb::$db->sql_fetchrow($result);
+ phpbb::$db->sql_freeresult($result);
+
+ if ((int) $row['sessions'] > (int) phpbb::$config['active_sessions'])
+ {
+ header('HTTP/1.1 503 Service Unavailable');
+ trigger_error('BOARD_UNAVAILABLE');
+ }
+ }
+ }
+
+ $this->session_id = $this->data['session_id'] = md5(phpbb::$security->unique_id());
+
+ $sql_ary['session_id'] = (string) $this->session_id;
+
+ $sql = 'INSERT INTO ' . SESSIONS_TABLE . ' ' . phpbb::$db->sql_build_array('INSERT', $sql_ary);
+ phpbb::$db->sql_query($sql);
+
+ phpbb::$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 = $this->time_now + ((phpbb::$config['max_autologin_time']) ? 86400 * (int) phpbb::$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);
+
+ // Only one session entry present...
+ $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(phpbb::$config['session_length'], phpbb::$config['form_token_lifetime'])));
+ $result = phpbb::$db->sql_query($sql);
+ $row = phpbb::$db->sql_fetchrow($result);
+ phpbb::$db->sql_freeresult($result);
+
+ if ((int) $row['sessions'] <= 1 || empty($this->data['user_form_salt']))
+ {
+ $this->data['user_form_salt'] = phpbb::$security->unique_id();
+
+ // Update the form key
+ $sql = 'UPDATE ' . USERS_TABLE . '
+ SET user_form_salt = \'' . phpbb::$db->sql_escape($this->data['user_form_salt']) . '\'
+ WHERE user_id = ' . (int) $this->data['user_id'];
+ phpbb::$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) $this->data['user_id'];
+ phpbb::$db->sql_query($sql);
+
+ $SID = '?sid=';
+ $_SID = '';
+ }
+
+ return true;
+ }
+
+ /**
+ * Kills a session
+ *
+ * This method does what it says on the tin. It will delete a pre-existing session.
+ * It resets cookie information (destroying any autologin key within that cookie data)
+ * and update the users information from the relevant session data. It will then
+ * grab guest user information.
+ */
+ public function session_kill($new_session = true)
+ {
+ global $SID, $_SID;
+
+ $sql = 'DELETE FROM ' . SESSIONS_TABLE . "
+ WHERE session_id = '" . phpbb::$db->sql_escape($this->session_id) . "'
+ AND session_user_id = " . (int) $this->data['user_id'];
+ phpbb::$db->sql_query($sql);
+
+ // Allow connecting logout with external auth method logout
+ if (method_exists($this->auth, 'logout'))
+ {
+ $this->auth->logout($this, $new_session);
+ }
+
+ if ($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) $this->data['user_id'];
+ phpbb::$db->sql_query($sql);
+
+ if ($this->cookie_data['k'])
+ {
+ $sql = 'DELETE FROM ' . SESSIONS_KEYS_TABLE . '
+ WHERE user_id = ' . (int) $this->data['user_id'] . "
+ AND key_id = '" . phpbb::$db->sql_escape(md5($this->cookie_data['k'])) . "'";
+ phpbb::$db->sql_query($sql);
+ }
+
+ // Reset the data array
+ $this->data = array();
+
+ $sql = 'SELECT *
+ FROM ' . USERS_TABLE . '
+ WHERE user_id = ' . ANONYMOUS;
+ $result = phpbb::$db->sql_query($sql);
+ $this->data = phpbb::$db->sql_fetchrow($result);
+ phpbb::$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.
+ */
+ public function session_gc()
+ {
+ $batch_size = 10;
+
+ if (!$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 - phpbb::$config['session_length']);
+ phpbb::$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 - phpbb::$config['session_length']) . '
+ GROUP BY session_user_id, session_page';
+ $result = phpbb::$db->sql_query_limit($sql, $batch_size);
+
+ $del_user_id = array();
+ $del_sessions = 0;
+
+ while ($row = phpbb::$db->sql_fetchrow($result))
+ {
+ $sql = 'UPDATE ' . USERS_TABLE . '
+ SET user_lastvisit = ' . (int) $row['recent_time'] . ", user_lastpage = '" . phpbb::$db->sql_escape($row['session_page']) . "'
+ WHERE user_id = " . (int) $row['session_user_id'];
+ phpbb::$db->sql_query($sql);
+
+ $del_user_id[] = (int) $row['session_user_id'];
+ $del_sessions++;
+ }
+ phpbb::$db->sql_freeresult($result);
+
+ if (sizeof($del_user_id))
+ {
+ // Delete expired sessions
+ $sql = 'DELETE FROM ' . SESSIONS_TABLE . '
+ WHERE ' . phpbb::$db->sql_in_set('session_user_id', $del_user_id) . '
+ AND session_time < ' . ($this->time_now - phpbb::$config['session_length']);
+ phpbb::$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', $this->time_now, true);
+
+ if (phpbb::$config['max_autologin_time'])
+ {
+ $sql = 'DELETE FROM ' . SESSIONS_KEYS_TABLE . '
+ WHERE last_login < ' . (time() - (86400 * (int) phpbb::$config['max_autologin_time']));
+ phpbb::$db->sql_query($sql);
+ }
+
+ // only called from CRON; should be a safe workaround until the infrastructure gets going
+ if (!class_exists('captcha_factory'))
+ {
+ include(PHPBB_ROOT_PATH . "includes/captcha/captcha_factory." . PHP_EXT);
+ }
+ captcha_factory::garbage_collect(phpbb::$config['captcha_plugin']);
+ }
+
+ 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 $cookietime The expiration time as UNIX timestamp. If 0 is provided, a session cookie is set.
+ */
+ public function set_cookie($name, $cookiedata, $cookietime)
+ {
+ $name_data = rawurlencode(phpbb::$config['cookie_name'] . '_' . $name) . '=' . rawurlencode($cookiedata);
+ $expire = gmdate('D, d-M-Y H:i:s \\G\\M\\T', $cookietime);
+ $domain = (!phpbb::$config['cookie_domain'] || phpbb::$config['cookie_domain'] == 'localhost' || phpbb::$config['cookie_domain'] == '127.0.0.1') ? '' : '; domain=' . phpbb::$config['cookie_domain'];
+
+ header('Set-Cookie: ' . $name_data . (($cookietime) ? '; expires=' . $expire : '') . '; path=' . phpbb::$config['cookie_path'] . $domain . ((!phpbb::$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 $user_ips Can contain a string with one IP or an array of multiple IPs
+ */
+ public function check_ban($user_id = false, $user_ips = false, $user_email = false, $return = false)
+ {
+ 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) : '';
+ $result = phpbb::$db->sql_query($sql, $cache_ttl);
+
+ $ban_triggered_by = 'user';
+ while ($row = phpbb::$db->sql_fetchrow($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
+ {
+ $ban_triggered_by = 'email';
+ }
+
+ // Don't break. Check if there is an exclude rule for this user
+ }
+ }
+ }
+ phpbb::$db->sql_freeresult($result);
+
+ if ($banned && !$return)
+ {
+ // If the session is empty we need to create a valid one...
+ if (empty($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)
+ {
+ $this->setup('ucp');
+ $this->is_registered = $this->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.' . PHP_EXT);
+
+ // 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], $till_date, '<a href="mailto:' . phpbb::$config['board_contact'] . '">', '</a>');
+ $message .= ($ban_row['ban_give_reason']) ? '<br /><br />' . sprintf($this->lang['BOARD_BAN_REASON'], $ban_row['ban_give_reason']) : '';
+ $message .= '<br /><br /><em>' . $this->lang['BAN_TRIGGERED_BY_' . strtoupper($ban_triggered_by)] . '</em>';
+
+ // 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 $mode register/post - spamcop for example is ommitted for posting
+ * @return false if ip is not blacklisted, else an array([checked server], [lookup])
+ */
+ public function check_dnsbl($mode, $ip = false)
+ {
+ if ($ip === false)
+ {
+ $ip = $this->server['ip'];
+ }
+
+ $dnsbl_check = array(
+ 'sbl-xbl.spamhaus.org' => 'http://www.spamhaus.org/query/bl?ip=',
+ );
+
+ if ($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 $info;
+ }
+ }
+
+ return false;
+ }
+
+ /**
+ * Set/Update a persistent login key
+ *
+ * This method creates or updates a persistent session key. When a user makes
+ * use of persistent (formerly auto-) logins a key is generated and stored in the
+ * DB. When they revisit with the same key it's automatically updated in both the
+ * DB and cookie. Multiple keys may exist for each user representing different
+ * browsers or locations. As with _any_ non-secure-socket no passphrase login this
+ * remains vulnerable to exploit.
+ */
+ public function set_login_key($user_id = false, $key = false, $user_ip = false)
+ {
+ $user_id = ($user_id === false) ? $this->data['user_id'] : $user_id;
+ $user_ip = ($user_ip === false) ? $this->server['ip'] : $user_ip;
+ $key = ($key === false) ? (($this->cookie_data['k']) ? $this->cookie_data['k'] : false) : $key;
+
+ $key_id = phpbb::$security->unique_id(hexdec(substr($this->session_id, 0, 8)));
+
+ $sql_ary = array(
+ 'key_id' => (string) md5($key_id),
+ 'last_ip' => (string) $this->server['ip'],
+ 'last_login' => (int) $this->time_now,
+ );
+
+ if (!$key)
+ {
+ $sql_ary += array(
+ 'user_id' => (int) $user_id
+ );
+ }
+
+ if ($key)
+ {
+ $sql = 'UPDATE ' . SESSIONS_KEYS_TABLE . '
+ SET ' . phpbb::$db->sql_build_array('UPDATE', $sql_ary) . '
+ WHERE user_id = ' . (int) $user_id . "
+ AND key_id = '" . phpbb::$db->sql_escape(md5($key)) . "'";
+ }
+ else
+ {
+ $sql = 'INSERT INTO ' . SESSIONS_KEYS_TABLE . ' ' . phpbb::$db->sql_build_array('INSERT', $sql_ary);
+ }
+ phpbb::$db->sql_query($sql);
+
+ $this->cookie_data['k'] = $key_id;
+
+ return false;
+ }
+
+ /**
+ * Reset all login keys for the specified user
+ *
+ * This method removes all current login keys for a specified (or the current)
+ * user. It will be called on password change to render old keys unusable
+ */
+ public function reset_login_keys($user_id = false)
+ {
+ $user_id = ($user_id === false) ? $this->data['user_id'] : $user_id;
+
+ $sql = 'DELETE FROM ' . SESSIONS_KEYS_TABLE . '
+ WHERE user_id = ' . (int) $user_id;
+ phpbb::$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 === $this->data['user_id']) ? " AND session_id <> '" . phpbb::$db->sql_escape($this->session_id) . "'" : '';
+
+ $sql = 'DELETE FROM ' . SESSIONS_TABLE . "
+ WHERE $sql_where";
+ phpbb::$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 === $this->data['user_id'] && $this->cookie_data['k'])
+ {
+ $this->set_login_key($user_id);
+ }
+ }
+
+ /**
+ * Reset all admin sessions
+ */
+ function unset_admin()
+ {
+ $sql = 'UPDATE ' . SESSIONS_TABLE . '
+ SET session_admin = 0
+ WHERE session_id = \'' . phpbb::$db->sql_escape($this->session_id) . '\'';
+ phpbb::$db->sql_query($sql);
+ }
+
+ /**
+ * Check if a valid, non-expired session exist. Also make sure it errors out correctly if we do not have a db-setup yet. ;)
+ */
+ private function session_exist()
+ {
+ // If session is empty or does not match the session within the URL (if required - set by NEED_SID), then we need a new session
+ if (empty($this->session_id) || (defined('NEED_SID') && $this->session_id !== request::variable('sid', '', false, request::GET)))
+ {
+ return false;
+ }
+
+ // If the db is not initialized/registered, then we also need a new session (we are not able to go forward then...
+ if (!phpbb::registered('db'))
+ {
+ return false;
+ }
+
+ // Now finally check the db for our provided session
+ $sql = 'SELECT u.*, s.*
+ FROM ' . SESSIONS_TABLE . ' s, ' . USERS_TABLE . " u
+ WHERE s.session_id = '" . phpbb::$db->sql_escape($this->session_id) . "'
+ AND u.user_id = s.session_user_id";
+ $result = phpbb::$db->sql_query($sql);
+ $row = phpbb::$db->sql_fetchrow($result);
+ phpbb::$db->sql_freeresult($result);
+
+ // Also new session if it has not been found. ;)
+ if (!$row)
+ {
+ return false;
+ }
+
+ $this->data = $row;
+
+ // Now check the ip, the browser, forwarded for and referer
+ if (!$this->session_valid())
+ {
+ return false;
+ }
+
+ // Ok, we are not finished yet. We need to know if the session is expired
+
+ // Check whether the session is still valid if we have one
+ if (method_exists($this->auth, 'validate_session'))
+ {
+ if (!$this->auth->validate_session($this))
+ {
+ return false;
+ }
+ }
+
+ // Check the session length timeframe if autologin is not enabled.
+ // Else check the autologin length... and also removing those having autologin enabled but no longer allowed board-wide.
+ if (!$this->data['session_autologin'])
+ {
+ if ($this->data['session_time'] < $this->time_now - (phpbb::$config['session_length'] + 60))
+ {
+ return false;
+ }
+ }
+ else if (!phpbb::$config['allow_autologin'] || (phpbb::$config['max_autologin_time'] && $this->data['session_time'] < $this->time_now - (86400 * (int) phpbb::$config['max_autologin_time']) + 60))
+ {
+ return false;
+ }
+
+ // 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->server['page']['page']))
+ {
+ $sql_ary = array('session_time' => $this->time_now);
+
+ if ($this->update_session_page)
+ {
+ $sql_ary['session_page'] = substr($this->server['page']['page'], 0, 199);
+ $sql_ary['session_forum_id'] = $this->server['page']['forum'];
+ }
+
+ $sql = 'UPDATE ' . SESSIONS_TABLE . ' SET ' . phpbb::$db->sql_build_array('UPDATE', $sql_ary) . "
+ WHERE session_id = '" . phpbb::$db->sql_escape($this->session_id) . "'";
+ phpbb::$db->sql_query($sql);
+ }
+
+ $this->is_registered = ($this->data['user_id'] != ANONYMOUS && ($this->data['user_type'] == USER_NORMAL || $this->data['user_type'] == USER_FOUNDER)) ? true : false;
+ $this->is_bot = (!$this->is_registered && $this->data['user_id'] != ANONYMOUS) ? true : false;
+ $this->data['user_lang'] = basename($this->data['user_lang']);
+
+ return true;
+ }
+
+ /**
+ * Check if the request originated from the same page.
+ * @param bool $check_script_path If true, the path will be checked as well
+ */
+ private function validate_referer($check_script_path = false)
+ {
+ // 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($this->server['referer']) || empty($this->server['host']))
+ {
+ return true;
+ }
+
+ // Specialchar host, because it's the only one not specialchared
+ $host = htmlspecialchars($this->server['host']);
+ $ref = substr($this->server['referer'], strpos($this->server['referer'], '://') + 3);
+
+ if (!(stripos($ref, $host) === 0))
+ {
+ return false;
+ }
+ else if ($check_script_path && rtrim($this->server['page']['root_script_path'], '/') !== '')
+ {
+ $ref = substr($ref, strlen($host));
+ $server_port = $this->server['port'];
+
+ if ($server_port !== 80 && $server_port !== 443 && stripos($ref, ":$server_port") === 0)
+ {
+ $ref = substr($ref, strlen(":$server_port"));
+ }
+
+ if (!(stripos(rtrim($ref, '/'), rtrim($this->server['page']['root_script_path'], '/')) === 0))
+ {
+ return false;
+ }
+ }
+
+ return true;
+ }
+
+ /**
+ * Fill data array with a "faked" user account
+ */
+ private function default_data()
+ {
+ return array(
+ 'user_id' => ANONYMOUS,
+ );
+ }
+
+ /**
+ * Check for a bot by comparing user agent and ip
+ */
+ private function check_bot()
+ {
+ $bot = false;
+
+ foreach (phpbb_cache::obtain_bots() as $row)
+ {
+ if ($row['bot_agent'] && preg_match('#' . str_replace('\*', '.*?', preg_quote($row['bot_agent'], '#')) . '#i', $this->server['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 $bot_ip)
+ {
+ if (strpos($this->server['ip'], $bot_ip) === 0)
+ {
+ $bot = (int) $row['user_id'];
+ break;
+ }
+ }
+ }
+
+ if ($bot)
+ {
+ break;
+ }
+ }
+
+ return $bot;
+ }
+
+ /**
+ * Check if session is valid by comparing ip, forwarded for, browser and referer
+ */
+ private function session_valid($log_failure = true)
+ {
+ // Validate IP length according to admin ... enforces an IP
+ // check on bots if admin requires this
+ // $quadcheck = (phpbb::$config['ip_check_bot'] && $this->data['user_type'] & USER_BOT) ? 4 : phpbb::$config['ip_check'];
+
+ if (strpos($this->server['ip'], ':') !== false && strpos($this->data['session_ip'], ':') !== false)
+ {
+ $session_ip = short_ipv6($this->data['session_ip'], phpbb::$config['ip_check']);
+ $user_ip = short_ipv6($this->server['ip'], phpbb::$config['ip_check']);
+ }
+ else
+ {
+ $session_ip = implode('.', array_slice(explode('.', $this->data['session_ip']), 0, phpbb::$config['ip_check']));
+ $user_ip = implode('.', array_slice(explode('.', $this->server['ip']), 0, phpbb::$config['ip_check']));
+ }
+
+ $session_browser = (phpbb::$config['browser_check']) ? trim(strtolower(substr($this->data['session_browser'], 0, 149))) : '';
+ $user_browser = (phpbb::$config['browser_check']) ? trim(strtolower(substr($this->server['browser'], 0, 149))) : '';
+
+ $session_forwarded_for = (phpbb::$config['forwarded_for_check']) ? substr($this->data['session_forwarded_for'], 0, 254) : '';
+ $user_forwarded_for = (phpbb::$config['forwarded_for_check']) ? substr($this->server['forwarded_for'], 0, 254) : '';
+
+ // referer checks
+ $check_referer_path = phpbb::$config['referer_validation'] == REFERER_VALIDATE_PATH;
+ $referer_valid = true;
+
+ // we assume HEAD and TRACE to be foul play and thus only whitelist GET
+ if (phpbb::$config['referer_validation'] && $this->server['request_method'])
+ {
+ $referer_valid = $this->validate_referer($check_referer_path);
+ }
+
+ if ($user_ip !== $session_ip || $user_browser !== $session_browser || $user_forwarded_for !== $session_forwarded_for || !$referer_valid)
+ {
+ // Added logging temporarly to help debug bugs...
+ if (defined('DEBUG_EXTRA') && $this->data['user_id'] != ANONYMOUS && $log_failure)
+ {
+ if ($referer_valid)
+ {
+ add_log('critical', 'LOG_IP_BROWSER_FORWARDED_CHECK', $user_ip, $session_ip, $user_browser, $session_browser, htmlspecialchars($user_forwarded_for), htmlspecialchars($session_forwarded_for));
+ }
+ else
+ {
+ add_log('critical', 'LOG_REFERER_INVALID', $this->server['referer']);
+ }
+ }
+
+ return false;
+ }
+
+ return true;
+ }
+ }
+
+ ?>
\ No newline at end of file
Propchange: branches/acydburn/phpBB/includes/classes/session.php
------------------------------------------------------------------------------
svn:eol-style = LF
Propchange: branches/acydburn/phpBB/includes/classes/session.php
------------------------------------------------------------------------------
svn:keywords = "Author Date Id Revision"
Added: branches/acydburn/phpBB/includes/classes/user.php
==============================================================================
*** branches/acydburn/phpBB/includes/classes/user.php (added)
--- branches/acydburn/phpBB/includes/classes/user.php Thu Dec 11 17:39:51 2008
***************
*** 0 ****
--- 1,939 ----
+ <?php
+ /**
+ *
+ * @package phpBB3
+ * @version $Id$
+ * @copyright (c) 2005 phpBB Group
+ * @license http://opensource.org/licenses/gpl-license.php GNU Public License
+ *
+ */
+
+ /**
+ * @ignore
+ */
+ if (!defined('IN_PHPBB'))
+ {
+ exit;
+ }
+
+ /**
+ * 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 phpbb_user extends phpbb_session
+ {
+ public $lang = array();
+ public $help = array();
+ public $theme = array();
+ public $date_format;
+ public $timezone;
+ public $dst;
+
+ public $lang_name = false;
+ public $lang_id = false;
+ public $lang_path;
+ public $img_lang;
+ public $img_array = array();
+
+ // Able to add new option (id 7)
+ public $keyoptions = array('viewimg' => 0, 'viewflash' => 1, 'viewsmilies' => 2, 'viewsigs' => 3, 'viewavatars' => 4, 'viewcensors' => 5, 'attachsig' => 6, 'bbcode' => 8, 'smilies' => 9, 'popuppm' => 10);
+ public $keyvalues = array();
+
+ /**
+ * Constructor to set the lang path
+ */
+ public function __construct()
+ {
+ parent::__construct();
+ $this->lang_path = PHPBB_ROOT_PATH . 'language/';
+ }
+
+ public function init()
+ {
+ $this->session_begin();
+ phpbb::$acl->init($this->data);
+ }
+
+ /**
+ * Function to set custom language path (able to use directory outside of phpBB)
+ *
+ * @param string $lang_path New language path used.
+ * @access public
+ */
+ public function set_custom_lang_path($lang_path)
+ {
+ $this->lang_path = $lang_path;
+
+ if (substr($this->lang_path, -1) != '/')
+ {
+ $this->lang_path .= '/';
+ }
+ }
+
+ /**
+ * Setup basic user-specific items (style, language, ...)
+ */
+ public function setup($lang_set = false, $style = false)
+ {
+ if ($this->data['user_id'] != ANONYMOUS)
+ {
+ $this->lang_name = (file_exists($this->lang_path . $this->data['user_lang'] . "/common." . PHP_EXT)) ? $this->data['user_lang'] : basename(phpbb::$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
+ {
+ $this->lang_name = basename(phpbb::$config['default_lang']);
+ $this->date_format = phpbb::$config['default_dateformat'];
+ $this->timezone = phpbb::$config['board_timezone'] * 3600;
+ $this->dst = phpbb::$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." . PHP_EXT))
+ {
+ $this->lang_name = phpbb::$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." . PHP_EXT))
+ {
+ $this->lang_name = phpbb::$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;
+
+ if ((include $this->lang_path . $this->lang_name . "/common." . PHP_EXT) === false)
+ {
+ die('Language file ' . $this->lang_path . $this->lang_name . "/common." . PHP_EXT . " couldn't be opened.");
+ }
+
+ $this->add_lang($lang_set);
+ unset($lang_set);
+
+ if (request::variable('style', false, false, request::GET) && phpbb::$auth->acl_get('a_styles'))
+ {
+ global $SID, $_EXTRA_URL;
+
+ $style = request_var('style', 0);
+ $SID .= '&style=' . $style;
+ $_EXTRA_URL = array('style=' . $style);
+ }
+ else
+ {
+ // Set up style
+ $style = ($style) ? $style : ((!phpbb::$config['override_user_style']) ? $this->data['user_style'] : phpbb::$config['default_style']);
+ }
+
+ $sql = 'SELECT s.style_id, 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";
+ $result = phpbb::$db->sql_query($sql, 3600);
+ $this->theme = phpbb::$db->sql_fetchrow($result);
+ phpbb::$db->sql_freeresult($result);
+
+ // User has wrong style
+ if (!$this->theme && $style == $this->data['user_style'])
+ {
+ $style = $this->data['user_style'] = phpbb::$config['default_style'];
+
+ $sql = 'UPDATE ' . USERS_TABLE . "
+ SET user_style = $style
+ WHERE user_id = {$this->data['user_id']}";
+ phpbb::$db->sql_query($sql);
+
+ $sql = 'SELECT s.style_id, 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";
+ $result = phpbb::$db->sql_query($sql, 3600);
+ $this->theme = phpbb::$db->sql_fetchrow($result);
+ phpbb::$db->sql_freeresult($result);
+ }
+
+ if (!$this->theme)
+ {
+ trigger_error('Could not get style data', E_USER_ERROR);
+ }
+
+ // Now parse the cfg file and cache it,
+ // we are only interested in the theme configuration for now
+ $parsed_items = phpbb_cache::obtain_cfg_item($this->theme, '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
+ );
+
+ $sql = 'UPDATE ' . STYLES_THEME_TABLE . '
+ SET ' . phpbb::$db->sql_build_array('UPDATE', $sql_ary) . '
+ WHERE theme_id = ' . $this->theme['theme_id'];
+ phpbb::$db->sql_query($sql);
+
+ unset($sql_ary);
+ }
+
+ phpbb::$template->set_template();
+
+ $this->img_lang = (file_exists(PHPBB_ROOT_PATH . 'styles/' . $this->theme['imageset_path'] . '/imageset/' . $this->lang_name)) ? $this->lang_name : phpbb::$config['default_lang'];
+
+ $sql = 'SELECT image_name, image_filename, image_lang, image_height, image_width
+ FROM ' . STYLES_IMAGESET_DATA_TABLE . '
+ WHERE imageset_id = ' . $this->theme['imageset_id'] . "
+ AND image_filename <> ''
+ AND image_lang IN ('" . phpbb::$db->sql_escape($this->img_lang) . "', '')";
+ $result = phpbb::$db->sql_query($sql, 3600);
+
+ $localised_images = false;
+ while ($row = phpbb::$db->sql_fetchrow($result))
+ {
+ if ($row['image_lang'])
+ {
+ $localised_images = true;
+ }
+
+ $row['image_filename'] = rawurlencode($row['image_filename']);
+ $this->img_array[$row['image_name']] = $row;
+ }
+ phpbb::$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
+ $sql_ary = array();
+
+ phpbb::$db->sql_transaction('begin');
+
+ $sql = 'DELETE FROM ' . STYLES_IMAGESET_DATA_TABLE . '
+ WHERE imageset_id = ' . $this->theme['imageset_id'] . '
+ AND image_lang = \'' . phpbb::$db->sql_escape($this->img_lang) . '\'';
+ $result = phpbb::$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))
+ {
+ phpbb::$db->sql_multi_insert(STYLES_IMAGESET_DATA_TABLE, $sql_ary);
+ phpbb::$db->sql_transaction('commit');
+ phpbb::$acm->destroy('sql', STYLES_IMAGESET_DATA_TABLE);
+
+ add_log('admin', 'LOG_IMAGESET_LANG_REFRESHED', $this->theme['imageset_name'], $this->img_lang);
+ }
+ else
+ {
+ phpbb::$db->sql_transaction('commit');
+ add_log('admin', 'LOG_IMAGESET_LANG_MISSING', $this->theme['imageset_name'], $this->img_lang);
+ }
+ }
+
+ // Call phpbb_user_session_handler() in case external application want to "bend" some variables or replace classes...
+ // After calling it we continue script execution...
+ phpbb_user_session_handler();
+
+ // If this function got called from the error handler we are finished here.
+ if (defined('IN_ERROR_HANDLER'))
+ {
+ return;
+ }
+
+ // Disable board if the install/ directory is still present
+ // For the brave development army we do not care about this, else we need to comment out this everytime we develop locally
+ if (!defined('DEBUG_EXTRA') && !defined('ADMIN_START') && !defined('IN_INSTALL') && !defined('IN_LOGIN') && file_exists(PHPBB_ROOT_PATH . 'install'))
+ {
+ // Adjust the message slightly according to the permissions
+ if (phpbb::$auth->acl_gets('a_', 'm_') || phpbb::$auth->acl_getf_global('m_'))
+ {
+ $message = 'REMOVE_INSTALL';
+ }
+ else
+ {
+ $message = (!empty(phpbb::$config['board_disable_msg'])) ? phpbb::$config['board_disable_msg'] : 'BOARD_DISABLE';
+ }
+ trigger_error($message);
+ }
+
+ // Is board disabled and user not an admin or moderator?
+ if (phpbb::$config['board_disable'] && !defined('IN_LOGIN') && !phpbb::$auth->acl_gets('a_', 'm_') && !phpbb::$auth->acl_getf_global('m_'))
+ {
+ header('HTTP/1.1 503 Service Unavailable');
+
+ $message = (!empty(phpbb::$config['board_disable_msg'])) ? phpbb::$config['board_disable_msg'] : 'BOARD_DISABLE';
+ trigger_error($message);
+ }
+
+ // Is load exceeded?
+ if (phpbb::$config['limit_load'] && $this->load !== false)
+ {
+ if ($this->load > floatval(phpbb::$config['limit_load']) && !defined('IN_LOGIN'))
+ {
+ // Set board disabled to true to let the admins/mods get the proper notification
+ phpbb::$config['board_disable'] = '1';
+
+ if (!phpbb::$auth->acl_gets('a_', 'm_') && !phpbb::$auth->acl_getf_global('m_'))
+ {
+ header('HTTP/1.1 503 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 (!phpbb::$auth->acl_get('u_hideonline'))
+ {
+ $sql = 'UPDATE ' . SESSIONS_TABLE . '
+ SET session_viewonline = 1
+ WHERE session_user_id = ' . $this->data['user_id'];
+ phpbb::$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 (phpbb::$auth->acl_get('u_hideonline'))
+ {
+ $sql = 'UPDATE ' . SESSIONS_TABLE . '
+ SET session_viewonline = 0
+ WHERE session_user_id = ' . $this->data['user_id'];
+ phpbb::$db->sql_query($sql);
+ $this->data['session_viewonline'] = 0;
+ }
+ }
+ }
+
+
+ // Does the user need to change their password? If so, redirect to the
+ // ucp profile reg_details page ... of course do not redirect if we're already in the ucp
+ if (!defined('IN_ADMIN') && !defined('ADMIN_START') && phpbb::$config['chg_passforce'] && $this->data['is_registered'] && phpbb::$auth->acl_get('u_chgpasswd') && $this->data['user_passchg'] < time() - (phpbb::$config['chg_passforce'] * 86400))
+ {
+ if (strpos($this->page['query_string'], 'mode=reg_details') === false && $this->page['page_name'] != 'ucp.' . PHP_EXT)
+ {
+ redirect(append_sid('ucp', 'i=profile&mode=reg_details'));
+ }
+ }
+
+ return;
+ }
+
+ /**
+ * More advanced language substitution
+ * Function to mimic sprintf() with the possibility of using phpBB's language system to substitute nullar/singular/plural forms.
+ * Params are the language key and the parameters to be substituted.
+ * This function/functionality is inspired by SHS` and Ashe.
+ *
+ * Example call: <samp>$user->lang('NUM_POSTS_IN_QUEUE', 1);</samp>
+ */
+ public 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 = $num;
+ }
+ }
+ }
+
+ // Ok, let's check if the key was found, else use the last entry (because it is mostly the plural form)
+ if ($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:
+ * <code>
+ * $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'
+ * $lang_set = array('help' => 'faq', 'db' => array('help:faq', 'posting'))
+ * </code>
+ */
+ public function add_lang($lang_set, $use_db = false, $use_help = false)
+ {
+ if (is_array($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, $use_help);
+ }
+ }
+
+ /**
+ * Set language entry (called by add_lang)
+ * @access private
+ */
+ public function set_lang(&$lang, &$help, $lang_file, $use_db = false, $use_help = false)
+ {
+ // Make sure the language name is set (if the user setup did not happen it is not set)
+ if (!$this->lang_name)
+ {
+ $this->lang_name = basename(phpbb::$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) . '.' . PHP_EXT;
+ }
+ else
+ {
+ $language_filename = $this->lang_path . $this->lang_name . '/' . (($use_help) ? 'help_' : '') . $lang_file . '.' . PHP_EXT;
+ }
+
+ if (!file_exists($language_filename))
+ {
+ 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(phpbb::$config['default_lang']))
+ {
+ // Fall back to the English Language
+ $this->lang_name = 'en';
+ $this->set_lang($lang, $help, $lang_file, $use_db, $use_help);
+ }
+ else if (file_exists($this->lang_path . $this->data['user_lang'] . '/common.' . PHP_EXT))
+ {
+ // Fall back to the board default language
+ $this->lang_name = basename(phpbb::$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.' . PHP_EXT)) ? $this->data['user_lang'] : basename(phpbb::$config['default_lang']);
+ return;
+ }
+
+ if ((@include $language_filename) === 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 $forcedate force non-relative date format.
+ *
+ * @return mixed translated date
+ */
+ public function format_date($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, '|'),
+ 'zone_offset' => $this->timezone + $this->dst,
+ 'format_short' => substr($format, 0, strpos($format, '|')) . '||' . substr(strrchr($format, '|'), 1),
+ 'format_long' => str_replace('|', '', $format),
+ 'lang' => $this->lang['datetime'],
+ );
+
+ // Short representation of month in format? Some languages use different terms for the long and short format of May
+ if ((strpos($format, '\M') === false && strpos($format, 'M') !== false) || (strpos($format, '\r') === false && strpos($format, 'r') !== false))
+ {
+ $date_cache[$format]['lang']['May'] = $this->lang['datetime']['May_short'];
+ }
+ }
+
+ // Show date <= 1 hour ago as 'xx min ago'
+ // A small tolerence is given for times in the future and times in the future but in the same minute are displayed as '< than a minute ago'
+ if ($delta <= 3600 && ($delta >= -5 || (($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() + $date_cache[$format]['zone_offset']));
+ $midnight = gmmktime(0, 0, 0, $m, $d, $y) - $date_cache[$format]['zone_offset'];
+ }
+
+ if ($date_cache[$format]['is_short'] !== false && !$forcedate)
+ {
+ $day = false;
+
+ if ($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 + $date_cache[$format]['zone_offset']), $date_cache[$format]['lang']));
+ }
+ }
+
+ return strtr(@gmdate($date_cache[$format]['format_long'], $gmepoch + $date_cache[$format]['zone_offset']), $date_cache[$format]['lang']);
+ }
+
+ /**
+ * Get language id currently used by the user
+ */
+ public function get_iso_lang_id()
+ {
+ if (!empty($this->lang_id))
+ {
+ return $this->lang_id;
+ }
+
+ if (!$this->lang_name)
+ {
+ $this->lang_name = phpbb::$config['default_lang'];
+ }
+
+ $sql = 'SELECT lang_id
+ FROM ' . LANG_TABLE . "
+ WHERE lang_iso = '" . phpbb::$db->sql_escape($this->lang_name) . "'";
+ $result = phpbb::$db->sql_query($sql);
+ $this->lang_id = (int) phpbb::$db->sql_fetchfield('lang_id');
+ phpbb::$db->sql_freeresult($result);
+
+ return $this->lang_id;
+ }
+
+ /**
+ * Get users profile fields
+ */
+ public function get_profile_fields($user_id)
+ {
+ if (isset($this->profile_fields))
+ {
+ return;
+ }
+
+ $sql = 'SELECT *
+ FROM ' . PROFILE_FIELDS_DATA_TABLE . "
+ WHERE user_id = $user_id";
+ $result = phpbb::$db->sql_query_limit($sql, 1);
+ $this->profile_fields = (!($row = phpbb::$db->sql_fetchrow($result))) ? array() : $row;
+ phpbb::$db->sql_freeresult($result);
+ }
+
+ /**
+ * Specify/Get image
+ */
+ public function img($img, $alt = '', $type = 'full_tag', $width = false)
+ {
+ static $imgs;
+
+ $img_data = &$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;
+ }
+
+ $img_data['src'] = PHPBB_ROOT_PATH . 'styles/' . $this->theme['imageset_path'] . '/imageset/' . ($this->img_array[$img]['image_lang'] ? $this->img_array[$img]['image_lang'] .'/' : '') . $this->img_array[$img]['image_filename'];
+ $img_data['width'] = $this->img_array[$img]['image_width'];
+ $img_data['height'] = $this->img_array[$img]['image_height'];
+ }
+
+ $alt = (!empty($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 '<img src="' . $img_data['src'] . '"' . (($use_width) ? ' width="' . $use_width . '"' : '') . (($img_data['height']) ? ' height="' . $img_data['height'] . '"' : '') . ' alt="' . $alt . '" title="' . $alt . '" />';
+ break;
+ }
+ }
+
+ /**
+ * Get option bit field from user options
+ */
+ public function optionget($key, $data = false)
+ {
+ if (!isset($this->keyvalues[$key]))
+ {
+ $var = ($data) ? $data : $this->data['user_options'];
+ $this->keyvalues[$key] = ($var & 1 << $this->keyoptions[$key]) ? true : false;
+ }
+
+ return $this->keyvalues[$key];
+ }
+
+ /**
+ * Set option bit field for user options
+ */
+ public function optionset($key, $value, $data = false)
+ {
+ $var = ($data) ? $data : $this->data['user_options'];
+
+ if ($value && !($var & 1 << $this->keyoptions[$key]))
+ {
+ $var += 1 << $this->keyoptions[$key];
+ }
+ else if (!$value && ($var & 1 << $this->keyoptions[$key]))
+ {
+ $var -= 1 << $this->keyoptions[$key];
+ }
+ else
+ {
+ return ($data) ? $var : false;
+ }
+
+ if (!$data)
+ {
+ $this->data['user_options'] = $var;
+ return true;
+ }
+ else
+ {
+ return $var;
+ }
+ }
+
+ public function login($username, $password, $autologin = false, $viewonline = 1, $admin = 0)
+ {
+ if (method_exists($this->auth, 'login'))
+ {
+ $login = $this->auth->login($username, $password);
+
+ // If the auth module wants us to create an empty profile do so and then treat the status as LOGIN_SUCCESS
+ if ($login['status'] == LOGIN_SUCCESS_CREATE_PROFILE)
+ {
+ phpbb::$api->user->add($login['user_row'], (isset($login['cp_data'])) ? $login['cp_data'] : false);
+
+ $sql = 'SELECT user_id, username, user_password, user_passchg, user_email, user_type
+ FROM ' . USERS_TABLE . "
+ WHERE username_clean = '" . phpbb::$db->sql_escape(utf8_clean_string($username)) . "'";
+ $result = phpbb::$db->sql_query($sql);
+ $row = phpbb::$db->sql_fetchrow($result);
+ phpbb::$db->sql_freeresult($result);
+
+ if (!$row)
+ {
+ return array(
+ 'status' => LOGIN_ERROR_EXTERNAL_AUTH,
+ 'error_msg' => 'AUTH_NO_PROFILE_CREATED',
+ 'user_row' => array('user_id' => ANONYMOUS),
+ );
+ }
+
+ $login = array(
+ 'status' => LOGIN_SUCCESS,
+ 'error_msg' => false,
+ 'user_row' => $row,
+ );
+ }
+
+ // If login succeeded, we will log the user in... else we pass the login array through...
+ if ($login['status'] == LOGIN_SUCCESS)
+ {
+ $old_session_id = $this->session_id;
+
+ if ($admin)
+ {
+ global $SID, $_SID;
+
+ $cookie_expire = time() - 31536000;
+ $this->set_cookie('u', '', $cookie_expire);
+ $this->set_cookie('sid', '', $cookie_expire);
+ unset($cookie_expire);
+
+ $SID = '?sid=';
+ $this->session_id = $_SID = '';
+ }
+
+ $result = $this->session_create($login['user_row']['user_id'], $admin, $autologin, $viewonline);
+
+ // Successful session creation
+ if ($result === true)
+ {
+ // If admin re-authentication we remove the old session entry because a new one has been created...
+ if ($admin)
+ {
+ // the login array is used because the user ids do not differ for re-authentication
+ $sql = 'DELETE FROM ' . SESSIONS_TABLE . "
+ WHERE session_id = '" . $db->sql_escape($old_session_id) . "'
+ AND session_user_id = {$login['user_row']['user_id']}";
+ $db->sql_query($sql);
+ }
+
+ return array(
+ 'status' => LOGIN_SUCCESS,
+ 'error_msg' => false,
+ 'user_row' => $login['user_row'],
+ );
+ }
+
+ return array(
+ 'status' => LOGIN_BREAK,
+ 'error_msg' => $result,
+ 'user_row' => $login['user_row'],
+ );
+ }
+
+ return $login;
+ }
+
+ trigger_error('Authentication method not found', E_USER_ERROR);
+ }
+ }
+
+ ?>
\ No newline at end of file
Propchange: branches/acydburn/phpBB/includes/classes/user.php
------------------------------------------------------------------------------
svn:eol-style = LF
Propchange: branches/acydburn/phpBB/includes/classes/user.php
------------------------------------------------------------------------------
svn:keywords = "Author Date Id Revision"
Added: branches/acydburn/phpBB/includes/core/core_security.php
==============================================================================
*** branches/acydburn/phpBB/includes/core/core_security.php (added)
--- branches/acydburn/phpBB/includes/core/core_security.php Thu Dec 11 17:39:51 2008
***************
*** 0 ****
--- 1,326 ----
+ <?php
+ /**
+ * Class for generating random numbers, unique ids, unique keys, seeds, hashes...
+ */
+ class phpbb_security
+ {
+ /**
+ * Used Hash type.
+ */
+ public $hash_type = '$H$';
+
+ public function __construct() {}
+
+ /**
+ * Generates an alphanumeric random string of given length
+ */
+ public function gen_rand_string($num_chars = 8)
+ {
+ $rand_str = unique_id();
+ $rand_str = str_replace('0', 'Z', strtoupper(base_convert($rand_str, 16, 35)));
+
+ return substr($rand_str, 0, $num_chars);
+ }
+
+ /**
+ * Return unique id
+ * @param string $extra additional entropy
+ */
+ public function unique_id($extra = 'c')
+ {
+ static $dss_seeded = false;
+
+ $val = phpbb::$config['rand_seed'] . microtime();
+ $val = md5($val);
+ phpbb::$config['rand_seed'] = md5(phpbb::$config['rand_seed'] . $val . $extra);
+
+ if ($dss_seeded !== true && (phpbb::$config['rand_seed_last_update'] < time() - rand(1,10)))
+ {
+ set_config('rand_seed', phpbb::$config['rand_seed'], true);
+ set_config('rand_seed_last_update', time(), true);
+ $dss_seeded = true;
+ }
+
+ return substr($val, 4, 16);
+ }
+
+ /**
+ *
+ * @version Version 0.1 / $Id$
+ *
+ * Portable PHP password hashing framework.
+ *
+ * Written by Solar Designer <solar at openwall.com> in 2004-2006 and placed in
+ * the public domain.
+ *
+ * There's absolutely no warranty.
+ *
+ * The homepage URL for this framework is:
+ *
+ * http://www.openwall.com/phpass/
+ *
+ * Please be sure to update the Version line if you edit this file in any way.
+ * It is suggested that you leave the main version number intact, but indicate
+ * your project name (after the slash) and add your own revision information.
+ *
+ * Please do not change the "private" password hashing method implemented in
+ * here, thereby making your hashes incompatible. However, if you must, please
+ * change the hash type identifier (the "$P$") to something different.
+ *
+ * Obviously, since this code is in the public domain, the above are not
+ * requirements (there can be none), but merely suggestions.
+ *
+ *
+ * Hash the password
+ */
+ public function hash_password($password)
+ {
+ $itoa64 = './0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz';
+
+ $random_state = $this->unique_id();
+ $random = '';
+ $count = 6;
+
+ if (($fh = @fopen('/dev/urandom', 'rb')))
+ {
+ $random = fread($fh, $count);
+ fclose($fh);
+ }
+
+ if (strlen($random) < $count)
+ {
+ $random = '';
+
+ for ($i = 0; $i < $count; $i += 16)
+ {
+ $random_state = md5($this->unique_id() . $random_state);
+ $random .= pack('H*', md5($random_state));
+ }
+ $random = substr($random, 0, $count);
+ }
+
+ $hash = $this->_hash_crypt_private($password, $this->_hash_gensalt_private($random, $itoa64), $itoa64);
+
+ if (strlen($hash) == 34)
+ {
+ return $hash;
+ }
+
+ return md5($password);
+ }
+
+ /**
+ * Check for correct password
+ *
+ * @param string $password The password in plain text
+ * @param string $hash The stored password hash
+ *
+ * @return bool Returns true if the password is correct, false if not.
+ */
+ public function check_password($password, $hash)
+ {
+ $itoa64 = './0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz';
+ if (strlen($hash) == 34)
+ {
+ return ($this->_hash_crypt_private($password, $hash, $itoa64) === $hash) ? true : false;
+ }
+
+ return (md5($password) === $hash) ? true : false;
+ }
+
+ /**
+ * Add a secret hash for use in links/GET requests
+ * @param string $link_name The name of the link; has to match the name used in check_link_hash, otherwise no restrictions apply
+ * @return string the hash
+ */
+ public function hash_link($link_name)
+ {
+ if (!isset(phpbb::$user->data["hash_$link_name"]))
+ {
+ phpbb::$user->data["hash_$link_name"] = substr(sha1(phpbb::$user->data['user_form_salt'] . $link_name), 0, 8);
+ }
+
+ return phpbb::$user->data["hash_$link_name"];
+ }
+
+ /**
+ * checks a link hash - for GET requests
+ * @param string $token the submitted token
+ * @param string $link_name The name of the link
+ * @return boolean true if all is fine
+ */
+ public function check_link($token, $link_name)
+ {
+ return $token === $this->generate_link_hash($link_name);
+ }
+
+ /**
+ * Add a secret token to the form (requires the S_FORM_TOKEN template variable)
+ * @param string $form_name The name of the form; has to match the name used in check_form_key, otherwise no restrictions apply
+ */
+ public function add_form_key($form_name)
+ {
+ $now = time();
+ $token_sid = (phpbb::$user->data['user_id'] == ANONYMOUS && !empty(phpbb::$config['form_token_sid_guests'])) ? phpbb::$user->session_id : '';
+ $token = sha1($now . phpbb::$user->data['user_form_salt'] . $form_name . $token_sid);
+
+ $template->assign_vars(array(
+ 'S_FORM_TOKEN' => build_hidden_fields(array('creation_time' => $now, 'form_token' => $token)),
+ ));
+ }
+
+ /**
+ * Check the form key. Required for all altering actions not secured by confirm_box
+ * @param string $form_name The name of the form; has to match the name used in add_form_key, otherwise no restrictions apply
+ * @param int $timespan The maximum acceptable age for a submitted form in seconds. Defaults to the config setting.
+ * @param string $return_page The address for the return link
+ * @param bool $trigger If true, the function will triger an error when encountering an invalid form
+ */
+ function check_form_key($form_name, $timespan = false, $return_page = '', $trigger = false)
+ {
+ if ($timespan === false)
+ {
+ // we enforce a minimum value of half a minute here.
+ $timespan = (phpbb::$config['form_token_lifetime'] == -1) ? -1 : max(30, phpbb::$config['form_token_lifetime']);
+ }
+
+ if (request::is_set_post('creation_time') && request::is_set_post('form_token'))
+ {
+ $creation_time = abs(request_var('creation_time', 0));
+ $token = request_var('form_token', '');
+
+ $diff = time() - $creation_time;
+
+ // If creation_time and the time() now is zero we can assume it was not a human doing this (the check for if ($diff)...
+ if ($diff && ($diff <= $timespan || $timespan === -1))
+ {
+ $token_sid = (phpbb::$user->data['user_id'] == ANONYMOUS && !empty(phpbb::$config['form_token_sid_guests'])) ? phpbb::$user->session_id : '';
+ $key = sha1($creation_time . phpbb::$user->data['user_form_salt'] . $form_name . $token_sid);
+
+ if ($key === $token)
+ {
+ return true;
+ }
+ }
+ }
+
+ if ($trigger)
+ {
+ trigger_error(phpbb::$user->lang['FORM_INVALID'] . $return_page);
+ }
+
+ return false;
+ }
+
+ /**
+ * Generate salt for hash generation
+ */
+ private function _hash_gensalt_private($input, &$itoa64, $iteration_count_log2 = 6)
+ {
+ if ($iteration_count_log2 < 4 || $iteration_count_log2 > 31)
+ {
+ $iteration_count_log2 = 8;
+ }
+
+ $output = $this->hash_type;
+ $output .= $itoa64[min($iteration_count_log2 + 5, 30)];
+ $output .= $this->_hash_encode64($input, 6, $itoa64);
+
+ return $output;
+ }
+
+ /**
+ * Encode hash
+ */
+ private function _hash_encode64($input, $count, &$itoa64)
+ {
+ $output = '';
+ $i = 0;
+
+ do
+ {
+ $value = ord($input[$i++]);
+ $output .= $itoa64[$value & 0x3f];
+
+ if ($i < $count)
+ {
+ $value |= ord($input[$i]) << 8;
+ }
+
+ $output .= $itoa64[($value >> 6) & 0x3f];
+
+ if ($i++ >= $count)
+ {
+ break;
+ }
+
+ if ($i < $count)
+ {
+ $value |= ord($input[$i]) << 16;
+ }
+
+ $output .= $itoa64[($value >> 12) & 0x3f];
+
+ if ($i++ >= $count)
+ {
+ break;
+ }
+
+ $output .= $itoa64[($value >> 18) & 0x3f];
+ }
+ while ($i < $count);
+
+ return $output;
+ }
+
+ /**
+ * The crypt function/replacement
+ */
+ private function _hash_crypt_private($password, $setting, &$itoa64)
+ {
+ $output = '*';
+
+ // Check for correct hash
+ if (substr($setting, 0, 3) != $this->hash_type)
+ {
+ return $output;
+ }
+
+ $count_log2 = strpos($itoa64, $setting[3]);
+
+ if ($count_log2 < 7 || $count_log2 > 30)
+ {
+ return $output;
+ }
+
+ $count = 1 << $count_log2;
+ $salt = substr($setting, 4, 8);
+
+ if (strlen($salt) != 8)
+ {
+ return $output;
+ }
+
+ /**
+ * We're kind of forced to use MD5 here since it's the only
+ * cryptographic primitive available in all versions of PHP
+ * currently in use. To implement our own low-level crypto
+ * in PHP would result in much worse performance and
+ * consequently in lower iteration counts and hashes that are
+ * quicker to crack (by non-PHP code).
+ */
+ $hash = md5($salt . $password, true);
+ do
+ {
+ $hash = md5($hash . $password, true);
+ }
+ while (--$count);
+
+ $output = substr($setting, 0, 12);
+ $output .= $this->_hash_encode64($hash, 16, $itoa64);
+
+ return $output;
+ }
+ }
+
+ ?>
\ No newline at end of file
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Propchange: branches/acydburn/phpBB/includes/core/core_security.php
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