<?php

if ( version_compare(PHP_VERSION, '4.3', '<') )
	die(sprintf('Your server is running PHP version %s but bbPress requires at least 4.3', PHP_VERSION) );

if ( !$bb_table_prefix )
	die('You must specify a table prefix in your <code>bb-config.php</code> file.');

if ( !defined('BB_PATH') )
	die('This file cannot be called directly.');

// Turn register globals off
function bb_unregister_GLOBALS() {
	if ( !ini_get('register_globals') )
		return;

	if ( isset($_REQUEST['GLOBALS']) )
		die('GLOBALS overwrite attempt detected');

	// Variables that shouldn't be unset
	$noUnset = array('GLOBALS', '_GET', '_POST', '_COOKIE', '_REQUEST', '_SERVER', '_ENV', '_FILES', 'bb_table_prefix', 'bb');

	$input = array_merge($_GET, $_POST, $_COOKIE, $_SERVER, $_ENV, $_FILES, isset($_SESSION) && is_array($_SESSION) ? $_SESSION : array());
	foreach ( $input as $k => $v )
		if ( !in_array($k, $noUnset) && isset($GLOBALS[$k]) ) {
			$GLOBALS[$k] = NULL;
			unset($GLOBALS[$k]);
		}
}

bb_unregister_GLOBALS();

function bb_timer_start() {
	global $bb_timestart;
	$mtime = explode(' ', microtime() );
	$bb_timestart = $mtime[1] + $mtime[0];
	return true;
}
bb_timer_start();

$is_IIS = strstr($_SERVER['SERVER_SOFTWARE'], 'Microsoft-IIS') ? 1 : 0;
// Fix for IIS, which doesn't set REQUEST_URI
if ( empty( $_SERVER['REQUEST_URI'] ) ) {
	$_SERVER['REQUEST_URI'] = $_SERVER['SCRIPT_NAME']; // Does this work under CGI?

	// Append the query string if it exists and isn't null
	if (isset($_SERVER['QUERY_STRING']) && !empty($_SERVER['QUERY_STRING']))
		$_SERVER['REQUEST_URI'] .= '?' . $_SERVER['QUERY_STRING'];
}

// Modify error reporting levels
error_reporting(E_ALL ^ E_NOTICE);

if ( !defined( 'BB_IS_ADMIN' ) )
	define( 'BB_IS_ADMIN', false );

// Define the include path
define('BB_INC', 'bb-includes/');

// Load the database class
require( BB_PATH . BB_INC . 'db.php' );

// Define the language file directory
if ( !defined('BB_LANG_DIR') )
	if ( defined('BBLANGDIR') ) // User has set old constant
		define('BB_LANG_DIR', BBLANGDIR);
	else
		define('BB_LANG_DIR', BB_PATH . BB_INC . 'languages/'); // absolute path with trailing slash

// Include functions
require( BB_PATH . BB_INC . 'compat.php');
require( BB_PATH . BB_INC . 'wp-functions.php');
require( BB_PATH . BB_INC . 'functions.php');
require( BB_PATH . BB_INC . 'wp-classes.php');
require( BB_PATH . BB_INC . 'classes.php');
if ( !defined('BB_LANG') && defined('BBLANG') && '' != BBLANG ) // User has set old constant
	define('BB_LANG', BBLANG);
if ( !( defined('DB_NAME') || defined('WP_BB') && WP_BB ) ) {  // Don't include these when WP is running.
	if ( defined('BB_LANG') && '' != BB_LANG ) {
		include_once(BB_PATH . BB_INC . 'streams.php');
		include_once(BB_PATH . BB_INC . 'gettext.php');
	}
	require( BB_PATH . BB_INC . 'kses.php');
	require( BB_PATH . BB_INC . 'l10n.php');
}

if ( is_wp_error( $bbdb->set_prefix( $bb_table_prefix ) ) )
	die(__('Your table prefix may only contain letters, numbers and underscores.'));

if ( !bb_is_installed() && ( !defined('BB_INSTALLING') || !BB_INSTALLING ) ) {
	$link = preg_replace('|(/bb-admin)?/[^/]+?$|', '/', $_SERVER['PHP_SELF']) . 'bb-admin/install.php';
	require( BB_PATH . BB_INC . 'pluggable.php');
	wp_redirect($link);
	die();
}

foreach ( array('use_cache', 'debug', 'static_title', 'load_options') as $o )
	if ( !isset($bb->$o) )
		$bb->$o = false;
unset($o);

if ( defined('BB_INSTALLING') && BB_INSTALLING )
foreach ( array('active_plugins') as $i )
	$bb->$i = false;
unset($i);

require( BB_PATH . BB_INC . 'formatting-functions.php');
require( BB_PATH . BB_INC . 'template-functions.php');
require( BB_PATH . BB_INC . 'capabilities.php');
require( BB_PATH . BB_INC . 'cache.php');
require( BB_PATH . BB_INC . 'deprecated.php');

$bb_cache = new BB_Cache();

if ( $bb->load_options ) {
	$bbdb->hide_errors();
	bb_cache_all_options();
	$bbdb->show_errors();
}

require( BB_PATH . BB_INC . 'default-filters.php');
require( BB_PATH . BB_INC . 'script-loader.php');

$_GET    = bb_global_sanitize($_GET   );
$_POST   = bb_global_sanitize($_POST  );
$_COOKIE = bb_global_sanitize($_COOKIE, false);
$_SERVER = bb_global_sanitize($_SERVER);

// Set the URI and derivitaves
if ( $bb->uri = bb_get_option('uri') ) {
	$bb->uri = rtrim($bb->uri, '/') . '/';
	
	// Not used in core anymore, only set here for plugin compatibility
	if ( preg_match( '@^(https?://[^/]+)((?:/.*)*/{1,1})$@i', $bb->uri, $matches ) ) {
		$bb->domain = $matches[1];
		$bb->path = $matches[2];
	}
	unset($matches);
} else {
	// Backwards compatibility
	// These were never set in the database
	if ( isset($bb->domain) ) {
		$bb->domain = rtrim( trim( $bb->domain ), '/' );
	}
	if ( isset($bb->path) ) {
		$bb->path = trim($bb->path);
		if ( $bb->path != '/' ) $bb->path = '/' . trim($bb->path, '/') . '/';
	}
	// We need both to build a uri
	if ( $bb->domain && $bb->path ) {
		$bb->uri = $bb->domain . $bb->path;
	}
}
// Die if no URI
if ( !$bb->uri && ( !defined('BB_INSTALLING') || !BB_INSTALLING ) ) {
	bb_die( __('Could not determine site URI') );
}

define('BB_CORE_PLUGIN_DIR', BB_PATH . 'bb-plugins/');
define('BB_CORE_PLUGIN_URL', $bb->uri . 'bb-plugins/');
define('BB_CORE_THEME_DIR', BB_PATH . 'bb-templates/');
define('BB_CORE_THEME_URL', $bb->uri . 'bb-templates/');
define('BB_DEFAULT_THEME', 'core#kakumei');
define('BB_DEFAULT_THEME_DIR', BB_CORE_THEME_DIR . 'kakumei/');
define('BB_DEFAULT_THEME_URL', BB_CORE_THEME_URL . 'kakumei/');

if ( !defined('BB_PLUGIN_DIR') )
	if ( defined('BBPLUGINDIR') ) // User has set old constant
		define('BB_PLUGIN_DIR', BBPLUGINDIR);
	else
		define('BB_PLUGIN_DIR', BB_PATH . 'my-plugins/');

if ( !defined('BB_PLUGIN_URL') )
	if ( defined('BBPLUGINURL') ) // User has set old constant
		define('BB_PLUGIN_URL', BBPLUGINURL);
	else
		define('BB_PLUGIN_URL', $bb->uri . 'my-plugins/');

if ( !defined('BB_THEME_DIR') )
	if ( defined('BBTHEMEDIR') ) // User has set old constant
		define('BB_THEME_DIR', BBTHEMEDIR);
	else
		define('BB_THEME_DIR', BB_PATH . 'my-templates/');

if ( !defined('BB_THEME_URL') )
	if ( defined('BBTHEMEURL') ) // User has set old constant
		define('BB_THEME_URL', BBTHEMEURL);
	else
		define('BB_THEME_URL', $bb->uri . 'my-templates/');

// Check for defined custom user tables
// Constants are taken before $bb before database settings
$bb->wp_table_prefix = bb_get_option('wp_table_prefix');

if ( !$bb->user_bbdb_name = bb_get_option('user_bbdb_name') )
	if ( defined('USER_BBDB_NAME') ) // User has set old constant
		$bb->user_bbdb_name = USER_BBDB_NAME;

if ( !$bb->user_bbdb_user = bb_get_option('user_bbdb_user') )
	if ( defined('USER_BBDB_USER') ) // User has set old constant
		$bb->user_bbdb_user = USER_BBDB_USER;

if ( !$bb->user_bbdb_password = bb_get_option('user_bbdb_password') )
	if ( defined('USER_BBDB_PASSWORD') ) // User has set old constant
		$bb->user_bbdb_password = USER_BBDB_PASSWORD;

if ( !$bb->user_bbdb_host = bb_get_option('user_bbdb_host') )
	if ( defined('USER_BBDB_HOST') ) // User has set old constant
		$bb->user_bbdb_host = USER_BBDB_HOST;

if ( !$bb->user_bbdb_charset = bb_get_option('user_bbdb_charset') )
	if ( defined('USER_BBDB_CHARSET') ) // User has set old constant
		$bb->user_bbdb_charset = USER_BBDB_CHARSET;

if ( !$bb->custom_user_table = bb_get_option('custom_user_table') )
	if ( defined('CUSTOM_USER_TABLE') ) // User has set old constant
		$bb->custom_user_table = CUSTOM_USER_TABLE;

if ( !$bb->custom_user_meta_table = bb_get_option('custom_user_meta_table') )
	if ( defined('CUSTOM_USER_META_TABLE') ) // User has set old constant
		$bb->custom_user_meta_table = CUSTOM_USER_META_TABLE;

if ( is_wp_error( $bbdb->set_prefix( $bb->wp_table_prefix, array('users', 'usermeta') ) ) )
	die(__('Your user table prefix may only contain letters, numbers and underscores.'));

// Set the user table's character set if defined
if ( isset($bb->user_bbdb_charset) && $bb->user_bbdb_charset )
	$bbdb->user_charset = $bb->user_bbdb_charset;

// Set the user table's custom name if defined
if ( isset($bb->custom_user_table) && $bb->custom_user_table )
	$bbdb->users = $bb->custom_user_table;

// Set the usermeta table's custom name if defined
if ( isset($bb->custom_user_meta_table) && $bb->custom_user_meta_table )
	$bbdb->usermeta = $bb->custom_user_meta_table;

// Sort out cookies so they work with WordPress (if required)
// Note that database integration is no longer a pre-requisite for cookie integration
$bb->wp_siteurl = bb_get_option('wp_siteurl');
if ( $bb->wp_siteurl ) {
	$bb->wp_siteurl = rtrim($bb->wp_siteurl, '/') . '/';
}

$bb->wp_home = bb_get_option('wp_home');
if ( $bb->wp_home ) {
	$bb->wp_home = rtrim($bb->wp_home, '/') . '/';
}

$bb->wp_cookies_integrated = false;
$bb->cookiedomain = bb_get_option('cookiedomain');
if ( $bb->wp_siteurl && $bb->wp_home ) {
	if ( $bb->cookiedomain ) {
		$bb->wp_cookies_integrated = true;
	} else {
		$cookiedomain = bb_get_common_domains($bb->uri, $bb->wp_home);
		if ( bb_match_domains($bb->uri, $bb->wp_home) ) {
			$bb->cookiepath = bb_get_common_paths($bb->uri, $bb->wp_home);
			$bb->wp_cookies_integrated = true;
		} elseif ($cookiedomain && strpos($cookiedomain, '.') !== false) {
			$bb->cookiedomain = '.' . $cookiedomain;
			$bb->cookiepath = bb_get_common_paths($bb->uri, $bb->wp_home);
			$bb->wp_cookies_integrated = true;
		}
		unset($cookiedomain);
	}
}

define('BB_HASH', $bb->wp_cookies_integrated ? md5(rtrim($bb->wp_siteurl, '/')) : md5(rtrim($bb->uri, '/')) );
// Deprecated setting
$bb->usercookie = bb_get_option('usercookie');
if ( !$bb->usercookie ) {
	$bb->usercookie = ( $bb->wp_cookies_integrated ? 'wordpressuser_' : 'bb_user_' ) . BB_HASH;
}

// Deprecated setting
$bb->passcookie = bb_get_option('passcookie');
if ( !$bb->passcookie ) {
	$bb->passcookie = ( $bb->wp_cookies_integrated ? 'wordpresspass_' : 'bb_pass_' ) . BB_HASH;
}

$bb->authcookie = bb_get_option('authcookie');
if ( !$bb->authcookie ) {
	$bb->authcookie = ($bb->wp_cookies_integrated ? 'wordpress_' : 'bbpress_') . BB_HASH;
}

$bb->cookiepath = bb_get_option('cookiepath');
if ( !isset( $bb->cookiepath ) ) {
	$bb->cookiepath = $bb->wp_cookies_integrated ? preg_replace('|https?://[^/]+|i', '', $bb->wp_home ) : $bb->path;
}

$bb->sitecookiepath = bb_get_option('sitecookiepath');
if ( !isset( $bb->sitecookiepath ) ) {
	$bb->sitecookiepath = $bb->wp_cookies_integrated ? preg_replace('|https?://[^/]+|i', '', $bb->wp_siteurl ) : $bb->path;
}


// Set the path to the tag pages
if ( !isset( $bb->tagpath ) )
	$bb->tagpath = $bb->path;

do_action( 'bb_options_loaded' );

/*
Define deprecated constants for plugin compatibility
TODO: Completely remove old constants on version 1.0
$deprecated_constants below is a complete array of old constants and their replacements
*/
$deprecated_constants = array(
	'BBPATH'                 => 'BB_PATH',
	'BBINC'                  => 'BB_INC',
	'BBLANG'                 => 'BB_LANG',
	'BBLANGDIR'              => 'BB_LANG_DIR',
	'BBPLUGINDIR'            => 'BB_PLUGIN_DIR',
	'BBPLUGINURL'            => 'BB_PLUGIN_URL',
	'BBTHEMEDIR'             => 'BB_THEME_DIR',
	'BBTHEMEURL'             => 'BB_THEME_URL',
	'BBHASH'                 => 'BB_HASH'
);
foreach ( $deprecated_constants as $old => $new )
	if ( !defined($old) && defined($new)) // only define if new one is defined
		define($old, constant($new));

$deprecated_constants = array(
	'USER_BBDB_NAME'         => $bb->user_bbdb_name,
	'USER_BBDB_USER'         => $bb->user_bbdb_user,
	'USER_BBDB_PASSWORD'     => $bb->user_bbdb_password,
	'USER_BBDB_HOST'         => $bb->user_bbdb_host,
	'USER_BBDB_CHARSET'      => $bb->user_bbdb_charset,
	'CUSTOM_USER_TABLE'      => $bb->custom_user_table,
	'CUSTOM_USER_META_TABLE' => $bb->custom_user_meta_table,
);
foreach ( $deprecated_constants as $old => $new )
	if ( !defined($old) )
		define($old, $new);
unset($deprecated_constants, $old, $new);

// Load Plugins

// Autoloaded "underscore" plugins
// First BB_CORE_PLUGIN_DIR
foreach ( bb_glob(BB_CORE_PLUGIN_DIR . '_*.php') as $_plugin )
	require( $_plugin );
unset( $_plugin );
// Second BB_PLUGIN_DIR, with no name clash testing
foreach ( bb_glob(BB_PLUGIN_DIR . '_*.php') as $_plugin )
	require( $_plugin );
unset( $_plugin );
do_action( 'bb_underscore_plugins_loaded' );

// Normal plugins
if ( $plugins = bb_get_option( 'active_plugins' ) ) {
	foreach ( (array) $plugins as $plugin ) {
		$plugin = str_replace(
			array('core#', 'user#'),
			array(BB_CORE_PLUGIN_DIR, BB_PLUGIN_DIR),
			$plugin
		);
		if ( file_exists( $plugin ) ) {
			require( $plugin );
		}
	}
}
do_action( 'bb_plugins_loaded' );
unset($plugins, $plugin);

require( BB_PATH . BB_INC . 'pluggable.php');

// Load the default text localization domain.
load_default_textdomain();

// Pull in locale data after loading text domain.
require_once(BB_PATH . BB_INC . 'locale.php');
$bb_locale = new BB_Locale();

$bb_roles  = new BB_Roles();
do_action('bb_got_roles', '');

function bb_shutdown_action_hook() {
	do_action('bb_shutdown', '');
}
register_shutdown_function('bb_shutdown_action_hook');

bb_current_user();

do_action('bb_init', '');

if ( bb_is_user_logged_in() && bb_has_broken_pass() )
	bb_block_current_user();

$page = bb_get_uri_page();

bb_send_headers();

?>