diff options
Diffstat (limited to 'include/common.php')
| -rw-r--r-- | include/common.php | 209 |
1 files changed, 209 insertions, 0 deletions
diff --git a/include/common.php b/include/common.php new file mode 100644 index 0000000..ad34b5e --- /dev/null +++ b/include/common.php @@ -0,0 +1,209 @@ +<?php + +/** + * Copyright (C) 2008-2012 FluxBB + * based on code by Rickard Andersson copyright (C) 2002-2008 PunBB + * License: http://www.gnu.org/licenses/gpl.html GPL version 2 or higher + */ + +if (!defined('PUN_ROOT')) + exit('The constant PUN_ROOT must be defined and point to a valid FluxBB installation root directory.'); + +// Define the version and database revision that this code was written for +define('FORUM_VERSION', '1.5.11'); + +define('FORUM_DB_REVISION', 21); +define('FORUM_SI_REVISION', 2); +define('FORUM_PARSER_REVISION', 2); + +// Block prefetch requests +if (isset($_SERVER['HTTP_X_MOZ']) && $_SERVER['HTTP_X_MOZ'] == 'prefetch') +{ + header('HTTP/1.1 403 Prefetching Forbidden'); + + // Send no-cache headers + header('Expires: Thu, 21 Jul 1977 07:30:00 GMT'); // When yours truly first set eyes on this world! :) + header('Last-Modified: '.gmdate('D, d M Y H:i:s').' GMT'); + header('Cache-Control: post-check=0, pre-check=0', false); + header('Pragma: no-cache'); // For HTTP/1.0 compatibility + + exit; +} + +// Attempt to load the configuration file config.php +if (file_exists(PUN_ROOT.'config.php')) + require PUN_ROOT.'config.php'; + +// If we have the 1.3-legacy constant defined, define the proper 1.4 constant so we don't get an incorrect "need to install" message +if (defined('FORUM')) + define('PUN', FORUM); + +// If PUN isn't defined, config.php is missing or corrupt +if (!defined('PUN')) +{ + header('Location: install.php'); + exit; +} + +// Load the functions script +require PUN_ROOT.'include/functions.php'; + +// Load addon functionality +require PUN_ROOT.'include/addons.php'; + +// Load UTF-8 functions +require PUN_ROOT.'include/utf8/utf8.php'; + +// Strip out "bad" UTF-8 characters +forum_remove_bad_characters(); + +// Reverse the effect of register_globals +forum_unregister_globals(); + +// The addon manager is responsible for storing the hook listeners and communicating with the addons +$flux_addons = new flux_addon_manager(); + +// Record the start time (will be used to calculate the generation time for the page) +$pun_start = get_microtime(); + +// Seed the random number generator for systems where this does not happen automatically +mt_srand(); + +// Make sure PHP reports all errors except E_NOTICE. FluxBB supports E_ALL, but a lot of scripts it may interact with, do not +// We set this in php.ini +//error_reporting(E_ALL ^ E_NOTICE); + +// Force POSIX locale (to prevent functions such as strtolower() from messing up UTF-8 strings) +setlocale(LC_CTYPE, 'C'); + +// Turn off magic_quotes_runtime +if (get_magic_quotes_runtime()) + set_magic_quotes_runtime(0); + +// Strip slashes from GET/POST/COOKIE/REQUEST/FILES (if magic_quotes_gpc is enabled) +if (!defined('FORUM_DISABLE_STRIPSLASHES') && get_magic_quotes_gpc()) +{ + function stripslashes_array($array) + { + return is_array($array) ? array_map('stripslashes_array', $array) : stripslashes($array); + } + + $_GET = stripslashes_array($_GET); + $_POST = stripslashes_array($_POST); + $_COOKIE = stripslashes_array($_COOKIE); + $_REQUEST = stripslashes_array($_REQUEST); + if (is_array($_FILES)) + { + // Don't strip valid slashes from tmp_name path on Windows + foreach ($_FILES AS $key => $value) + $_FILES[$key]['tmp_name'] = str_replace('\\', '\\\\', $value['tmp_name']); + $_FILES = stripslashes_array($_FILES); + } +} + +// If a cookie name is not specified in config.php, we use the default (pun_cookie) +if (empty($cookie_name)) + $cookie_name = 'pun_cookie'; + +// If the cache directory is not specified, we use the default setting +if (!defined('FORUM_CACHE_DIR')) + define('FORUM_CACHE_DIR', PUN_ROOT.'cache/'); + +// Define a few commonly used constants +define('PUN_UNVERIFIED', 0); +define('PUN_ADMIN', 1); +define('PUN_MOD', 2); +define('PUN_GUEST', 3); +define('PUN_MEMBER', 4); + +// Load DB abstraction layer and connect +require PUN_ROOT.'include/dblayer/common_db.php'; + +// Start a transaction +$db->start_transaction(); + +// Load cached config +if (file_exists(FORUM_CACHE_DIR.'cache_config.php')) + include FORUM_CACHE_DIR.'cache_config.php'; + +if (!defined('PUN_CONFIG_LOADED')) +{ + if (!defined('FORUM_CACHE_FUNCTIONS_LOADED')) + require PUN_ROOT.'include/cache.php'; + + generate_config_cache(); + require FORUM_CACHE_DIR.'cache_config.php'; +} + +// Verify that we are running the proper database schema revision +if (!isset($pun_config['o_database_revision']) || $pun_config['o_database_revision'] < FORUM_DB_REVISION || + !isset($pun_config['o_searchindex_revision']) || $pun_config['o_searchindex_revision'] < FORUM_SI_REVISION || + !isset($pun_config['o_parser_revision']) || $pun_config['o_parser_revision'] < FORUM_PARSER_REVISION || + version_compare($pun_config['o_cur_version'], FORUM_VERSION, '<')) +{ + header('Location: db_update.php'); + exit; +} + +// Enable output buffering +if (!defined('PUN_DISABLE_BUFFERING')) +{ + // Should we use gzip output compression? + if ($pun_config['o_gzip'] && extension_loaded('zlib')) + ob_start('ob_gzhandler'); + else + ob_start(); +} + +// Define standard date/time formats +$forum_time_formats = array($pun_config['o_time_format'], 'H:i:s', 'H:i', 'g:i:s a', 'g:i a'); +$forum_date_formats = array($pun_config['o_date_format'], 'Y-m-d', 'Y-d-m', 'd-m-Y', 'm-d-Y', 'M j Y', 'jS M Y'); + +// Check/update/set cookie and fetch user info +$pun_user = array(); +check_cookie($pun_user); + +// Attempt to load the common language file +if (file_exists(PUN_ROOT.'lang/'.$pun_user['language'].'/common.php')) + include PUN_ROOT.'lang/'.$pun_user['language'].'/common.php'; +else + error('There is no valid language pack \''.pun_htmlspecialchars($pun_user['language']).'\' installed. Please reinstall a language of that name'); + +// Check if we are to display a maintenance message +if ($pun_config['o_maintenance'] && $pun_user['g_id'] > PUN_ADMIN && !defined('PUN_TURN_OFF_MAINT')) + maintenance_message(); + +// Load cached bans +if (file_exists(FORUM_CACHE_DIR.'cache_bans.php')) + include FORUM_CACHE_DIR.'cache_bans.php'; + +if (!defined('PUN_BANS_LOADED')) +{ + if (!defined('FORUM_CACHE_FUNCTIONS_LOADED')) + require PUN_ROOT.'include/cache.php'; + + generate_bans_cache(); + require FORUM_CACHE_DIR.'cache_bans.php'; +} + +// Check if current user is banned +check_bans(); + +// Update online list +update_users_online(); + +// Check to see if we logged in without a cookie being set +if ($pun_user['is_guest'] && isset($_GET['login'])) + message($lang_common['No cookie']); + +// The maximum size of a post, in bytes, since the field is now MEDIUMTEXT this allows ~16MB but lets cap at 1MB... +if (!defined('PUN_MAX_POSTSIZE')) + define('PUN_MAX_POSTSIZE', 1048576); + +if (!defined('PUN_SEARCH_MIN_WORD')) + define('PUN_SEARCH_MIN_WORD', 3); +if (!defined('PUN_SEARCH_MAX_WORD')) + define('PUN_SEARCH_MAX_WORD', 20); + +if (!defined('FORUM_MAX_COOKIE_SIZE')) + define('FORUM_MAX_COOKIE_SIZE', 4048); |