[mxbb-commits] mx_mod_core/root/mx_mod/includes/shared/phpbb2/includes bbcode.php, NONE, 1.1 functions.php, NONE, 1.1 functions_post.php, NONE, 1.1

[OryNider <ory...@us...>]

Update of /cvsroot/mxbb/mx_mod_core/root/mx_mod/includes/shared/phpbb2/includes
In directory sc8-pr-cvs16.sourceforge.net:/tmp/cvs-serv24277/root/mx_mod/includes/shared/phpbb2/includes

Added Files:
	bbcode.php functions.php functions_post.php 
Log Message:
1st time added

--- NEW FILE: functions.php ---
<?php
/***************************************************************************
 *                               functions.php
 *                            -------------------
 *   begin                : Saturday, Feb 13, 2001
 *   copyright            : (C) 2001 The phpBB Group
 *   email                : su...@ph...
 *
 *   $Id: functions.php,v 1.1 2008/03/10 06:02:29 orynider Exp $
 *
 *
 ***************************************************************************/

/***************************************************************************
 *
 *   This program is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation; either version 2 of the License, or
 *   (at your option) any later version.
 *
 *
 ***************************************************************************/

//
// Class phpBB2 - function container
//
class phpBB2
{

function get_db_stat($mode)
{
	global $db;

	switch( $mode )
	{
		case 'usercount':
			$sql = "SELECT COUNT(user_id) AS total
				FROM " . USERS_TABLE . "
				WHERE user_id <> " . ANONYMOUS;
			break;

		case 'newestuser':
			$sql = "SELECT user_id, username
				FROM " . USERS_TABLE . "
				WHERE user_id <> " . ANONYMOUS . "
				ORDER BY user_id DESC
				LIMIT 1";
			break;

		case 'postcount':
		case 'topiccount':
			$sql = "SELECT SUM(forum_topics) AS topic_total, SUM(forum_posts) AS post_total
				FROM " . FORUMS_TABLE;
			break;
	}

	if ( !($result = $db->sql_query($sql)) )
	{
		return false;
	}

	$row = $db->sql_fetchrow($result);

	switch ( $mode )
	{
		case 'usercount':
			return $row['total'];
			break;
		case 'newestuser':
			return $row;
			break;
		case 'postcount':
			return $row['post_total'];
			break;
		case 'topiccount':
			return $row['topic_total'];
			break;
	}

	return false;
}

// added at phpBB 2.0.11 to properly format the username
function phpbb_clean_username($username)
{
	$username = substr(htmlspecialchars(str_replace("\'", "'", trim($username))), 0, 25);
	$username = self::phpbb_rtrim($username, "\\");
	$username = str_replace("'", "\'", $username);

	return $username;
}

/**
* This function is a wrapper for ltrim, as charlist is only supported in php >= 4.1.0
* Added in phpBB 2.0.18
*/
function phpbb_ltrim($str, $charlist = false)
{
	if ($charlist === false)
	{
		return ltrim($str);
	}

	$php_version = explode('.', PHP_VERSION);

	// php version < 4.1.0
	if ((int) $php_version[0] < 4 || ((int) $php_version[0] == 4 && (int) $php_version[1] < 1))
	{
		while ($str{0} == $charlist)
		{
			$str = substr($str, 1);
		}
	}
	else
	{
		$str = ltrim($str, $charlist);
	}

	return $str;
}

// added at phpBB 2.0.12 to fix a bug in PHP 4.3.10 (only supporting charlist in php >= 4.1.0)
function phpbb_rtrim($str, $charlist = false)
{
	if ($charlist === false)
	{
		return rtrim($str);
	}

	$php_version = explode('.', PHP_VERSION);

	// php version < 4.1.0
	if ((int) $php_version[0] < 4 || ((int) $php_version[0] == 4 && (int) $php_version[1] < 1))
	{
		while ($str{strlen($str)-1} == $charlist)
		{
			$str = substr($str, 0, strlen($str)-1);
		}
	}
	else
	{
		$str = rtrim($str, $charlist);
	}

	return $str;
}

/**
* Our own generator of random values
* This uses a constantly changing value as the base for generating the values
* The board wide setting is updated once per page if this code is called
* With thanks to Anthrax101 for the inspiration on this one
* Added in phpBB 2.0.20
*/
function dss_rand()
{
	global $db, $board_config, $dss_seeded;

	$val = $board_config['rand_seed'] . microtime();
	$val = md5($val);
	$board_config['rand_seed'] = md5($board_config['rand_seed'] . $val . 'a');

	if($dss_seeded !== true)
	{
		$sql = "UPDATE " . CONFIG_TABLE . " SET
			config_value = '" . $board_config['rand_seed'] . "'
			WHERE config_name = 'rand_seed'";

		if( !$db->sql_query($sql) )
		{
			mx_message_die(GENERAL_ERROR, "Unable to reseed PRNG", "", __LINE__, __FILE__, $sql);
		}

		$dss_seeded = true;
	}

	return substr($val, 4, 16);
}
//
// Get Userdata, $user can be username or user_id. If force_str is true, the username will be forced.
//
function get_userdata($user, $force_str = false)
{
	global $db;

	if (!is_numeric($user) || $force_str)
	{
		$user = self::phpbb_clean_username($user);
	}
	else
	{
		$user = intval($user);
	}

	$sql = "SELECT *
		FROM " . USERS_TABLE . "
		WHERE ";
	$sql .= ( ( is_integer($user) ) ? "user_id = $user" : "username = '" .  str_replace("\'", "''", $user) . "'" ) . " AND user_id <> " . ANONYMOUS;
	if ( !($result = $db->sql_query($sql)) )
	{
		message_die(GENERAL_ERROR, 'Tried obtaining data for a non-existent user', '', __LINE__, __FILE__, $sql);
	}

	return ( $row = $db->sql_fetchrow($result) ) ? $row : false;
}

function make_jumpbox($action, $match_forum_id = 0)
{
	global $template, $userdata, $lang, $db, $nav_links, $phpEx, $SID;

//	$is_auth = auth(AUTH_VIEW, AUTH_LIST_ALL, $userdata);

	$sql = "SELECT c.cat_id, c.cat_title, c.cat_order
		FROM " . CATEGORIES_TABLE . " c, " . FORUMS_TABLE . " f
		WHERE f.cat_id = c.cat_id
		GROUP BY c.cat_id, c.cat_title, c.cat_order
		ORDER BY c.cat_order";
	if ( !($result = $db->sql_query($sql)) )
	{
		message_die(GENERAL_ERROR, "Couldn't obtain category list.", "", __LINE__, __FILE__, $sql);
	}

	$category_rows = array();
	while ( $row = $db->sql_fetchrow($result) )
	{
		$category_rows[] = $row;
	}

	if ( $total_categories = count($category_rows) )
	{
		$sql = "SELECT *
			FROM " . FORUMS_TABLE . "
			ORDER BY cat_id, forum_order";
		if ( !($result = $db->sql_query($sql)) )
		{
			message_die(GENERAL_ERROR, 'Could not obtain forums information', '', __LINE__, __FILE__, $sql);
		}

		$boxstring = '<select name="' . POST_FORUM_URL . '" onchange="if(this.options[this.selectedIndex].value != -1){ forms[\'jumpbox\'].submit() }"><option value="-1">' . $lang['Select_forum'] . '</option>';

		$forum_rows = array();
		while ( $row = $db->sql_fetchrow($result) )
		{
			$forum_rows[] = $row;
		}

		if ( $total_forums = count($forum_rows) )
		{
			for($i = 0; $i < $total_categories; $i++)
			{
				$boxstring_forums = '';
				for($j = 0; $j < $total_forums; $j++)
				{
					if ( $forum_rows[$j]['cat_id'] == $category_rows[$i]['cat_id'] && $forum_rows[$j]['auth_view'] <= AUTH_REG )
					{

//					if ( $forum_rows[$j]['cat_id'] == $category_rows[$i]['cat_id'] && $is_auth[$forum_rows[$j]['forum_id']]['auth_view'] )
//					{
						$selected = ( $forum_rows[$j]['forum_id'] == $match_forum_id ) ? 'selected="selected"' : '';
						$boxstring_forums .=  '<option value="' . $forum_rows[$j]['forum_id'] . '"' . $selected . '>' . $forum_rows[$j]['forum_name'] . '</option>';

						//
						// Add an array to $nav_links for the Mozilla navigation bar.
						// 'chapter' and 'forum' can create multiple items, therefore we are using a nested array.
						//
						$nav_links['chapter forum'][$forum_rows[$j]['forum_id']] = array (
							'url' => mx_append_sid("viewforum.$phpEx?" . POST_FORUM_URL . "=" . $forum_rows[$j]['forum_id']),
							'title' => $forum_rows[$j]['forum_name']
						);

					}
				}

				if ( $boxstring_forums != '' )
				{
					$boxstring .= '<option value="-1">&nbsp;</option>';
					$boxstring .= '<option value="-1">' . $category_rows[$i]['cat_title'] . '</option>';
					$boxstring .= '<option value="-1">----------------</option>';
					$boxstring .= $boxstring_forums;
				}
			}
		}

		$boxstring .= '</select>';
	}
	else
	{
		$boxstring .= '<select name="' . POST_FORUM_URL . '" onchange="if(this.options[this.selectedIndex].value != -1){ forms[\'jumpbox\'].submit() }"></select>';
	}

	// Let the jumpbox work again in sites having additional session id checks.
//	if ( !empty($SID) )
//	{
		$boxstring .= '<input type="hidden" name="sid" value="' . $userdata['session_id'] . '" />';
//	}

	$template->set_filenames(array(
		'jumpbox' => 'jumpbox.tpl')
	);
	$template->assign_vars(array(
		'L_GO' => $lang['Go'],
		'L_JUMP_TO' => $lang['Jump_to'],
		'L_SELECT_FORUM' => $lang['Select_forum'],

		'S_JUMPBOX_SELECT' => $boxstring,
		'S_JUMPBOX_ACTION' => mx_append_sid($action))
	);
	$template->assign_var_from_handle('JUMPBOX', 'jumpbox');

	return;
}

//
// Initialise user settings on page load
/*
function init_userprefs($userdata)
{
	global $board_config, $theme, $images;
	global $template, $lang, $phpEx, $phpbb_root_path, $db;
	global $nav_links;

	if ( $userdata['user_id'] != ANONYMOUS )
	{
		if ( !empty($userdata['user_lang']))
		{
			$default_lang = self::phpbb_ltrim(basename(self::phpbb_rtrim($userdata['user_lang'])), "'");
		}

		if ( !empty($userdata['user_dateformat']) )
		{
			$board_config['default_dateformat'] = $userdata['user_dateformat'];
		}

		if ( isset($userdata['user_timezone']) )
		{
			$board_config['board_timezone'] = $userdata['user_timezone'];
		}
	}
	else
	{
		$default_lang = self::phpbb_ltrim(basename(self::phpbb_rtrim($board_config['default_lang'])), "'");
	}

	if ( !file_exists(@self::phpbb_realpath($phpbb_root_path . 'language/lang_' . $default_lang . '/lang_main.'.$phpEx)) )
	{
		if ( $userdata['user_id'] != ANONYMOUS )
		{
			// For logged in users, try the board default language next
			$default_lang = self::phpbb_ltrim(basename(self::phpbb_rtrim($board_config['default_lang'])), "'");
		}
		else
		{
			// For guests it means the default language is not present, try english
			// This is a long shot since it means serious errors in the setup to reach here,
			// but english is part of a new install so it's worth us trying
			$default_lang = 'english';
		}

		if ( !file_exists(@self::phpbb_realpath($phpbb_root_path . 'language/lang_' . $default_lang . '/lang_main.'.$phpEx)) )
		{
			mx_message_die(CRITICAL_ERROR, 'Could not locate valid language pack');
		}
	}

	// If we've had to change the value in any way then let's write it back to the database
	// before we go any further since it means there is something wrong with it
	if ( $userdata['user_id'] != ANONYMOUS && $userdata['user_lang'] !== $default_lang )
	{
		$sql = 'UPDATE ' . USERS_TABLE . "
			SET user_lang = '" . $default_lang . "'
			WHERE user_lang = '" . $userdata['user_lang'] . "'";

		if ( !($result = $db->sql_query($sql)) )
		{
			mx_message_die(CRITICAL_ERROR, 'Could not update user language info');
		}

		$userdata['user_lang'] = $default_lang;
	}
	elseif ( $userdata['user_id'] === ANONYMOUS && $board_config['default_lang'] !== $default_lang )
	{
		$sql = 'UPDATE ' . CONFIG_TABLE . "
			SET config_value = '" . $default_lang . "'
			WHERE config_name = 'default_lang'";

		if ( !($result = $db->sql_query($sql)) )
		{
			mx_message_die(CRITICAL_ERROR, 'Could not update user language info');
		}
	}

	$board_config['default_lang'] = $default_lang;

	include($phpbb_root_path . 'language/lang_' . $board_config['default_lang'] . '/lang_main.' . $phpEx);

	if ( defined('IN_ADMIN') )
	{
		if( !file_exists(@self::phpbb_realpath($phpbb_root_path . 'language/lang_' . $board_config['default_lang'] . '/lang_admin.'.$phpEx)) )
		{
			$board_config['default_lang'] = 'english';
		}

		include($phpbb_root_path . 'language/lang_' . $board_config['default_lang'] . '/lang_admin.' . $phpEx);
	}

	//
	// Set up style
	//
	if ( !$board_config['override_user_style'] )
	{
		if ( $userdata['user_id'] != ANONYMOUS && $userdata['user_style'] > 0 )
		{
			if ( $theme = setup_style($userdata['user_style']) )
			{
				return;
			}
		}
	}

	$theme = setup_style($board_config['default_style']);

	//
	// Mozilla navigation bar
	// Default items that should be valid on all pages.
	// Defined here to correctly assign the Language Variables
	// and be able to change the variables within code.
	//
	$nav_links['top'] = array (
		'url' => mx_append_sid($phpbb_root_path . 'index.' . $phpEx),
		'title' => sprintf($lang['Forum_Index'], $board_config['sitename'])
	);
	$nav_links['search'] = array (
		'url' => mx_append_sid($phpbb_root_path . 'search.' . $phpEx),
		'title' => $lang['Search']
	);
	$nav_links['help'] = array (
		'url' => mx_append_sid($phpbb_root_path . 'faq.' . $phpEx),
		'title' => $lang['FAQ']
	);
	$nav_links['author'] = array (
		'url' => mx_append_sid($phpbb_root_path . 'memberlist.' . $phpEx),
		'title' => $lang['Memberlist']
	);

	return;
}
*/

/*
function setup_style($style)
{
	global $db, $board_config, $template, $images, $phpbb_root_path;

	$sql = 'SELECT *
		FROM ' . THEMES_TABLE . '
		WHERE themes_id = ' . (int) $style;
	if ( !($result = $db->sql_query($sql)) )
	{
		mx_message_die(CRITICAL_ERROR, 'Could not query database for theme info');
	}

	if ( !($row = $db->sql_fetchrow($result)) )
	{
		// We are trying to setup a style which does not exist in the database
		// Try to fallback to the board default (if the user had a custom style)
		// and then any users using this style to the default if it succeeds
		if ( $style != $board_config['default_style'])
		{
			$sql = 'SELECT *
				FROM ' . THEMES_TABLE . '
				WHERE themes_id = ' . (int) $board_config['default_style'];
			if ( !($result = $db->sql_query($sql)) )
			{
				mx_message_die(CRITICAL_ERROR, 'Could not query database for theme info');
			}

			if ( $row = $db->sql_fetchrow($result) )
			{
				$db->sql_freeresult($result);

				$sql = 'UPDATE ' . USERS_TABLE . '
					SET user_style = ' . (int) $board_config['default_style'] . "
					WHERE user_style = $style";
				if ( !($result = $db->sql_query($sql)) )
				{
					mx_message_die(CRITICAL_ERROR, 'Could not update user theme info');
				}
			}
			else
			{
				mx_message_die(CRITICAL_ERROR, "Could not get theme data for themes_id [$style]");
			}
		}
		else
		{
			mx_message_die(CRITICAL_ERROR, "Could not get theme data for themes_id [$style]");
		}
	}

	$template_path = 'templates/' ;
	$template_name = $row['template_name'] ;

	$template = new Template($phpbb_root_path . $template_path . $template_name);

	if ( $template )
	{
		$current_template_path = $template_path . $template_name;
		@include($phpbb_root_path . $template_path . $template_name . '/' . $template_name . '.cfg');

		if ( !defined('TEMPLATE_CONFIG') )
		{
			mx_message_die(CRITICAL_ERROR, "Could not open $template_name template config file", '', __LINE__, __FILE__);
		}

		$img_lang = ( file_exists(@self::phpbb_realpath($phpbb_root_path . $current_template_path . '/images/lang_' . $board_config['default_lang'])) ) ? $board_config['default_lang'] : 'english';

		while( list($key, $value) = @each($images) )
		{
			if ( !is_array($value) )
			{
				$images[$key] = str_replace('{LANG}', 'lang_' . $img_lang, $value);
			}
		}
	}

	return $row;
}
*/

function encode_ip($dotquad_ip)
{
	$ip_sep = explode('.', $dotquad_ip);
	return sprintf('%02x%02x%02x%02x', $ip_sep[0], $ip_sep[1], $ip_sep[2], $ip_sep[3]);
}

function decode_ip($int_ip)
{
	$hexipbang = explode('.', chunk_split($int_ip, 2, '.'));
	return hexdec($hexipbang[0]). '.' . hexdec($hexipbang[1]) . '.' . hexdec($hexipbang[2]) . '.' . hexdec($hexipbang[3]);
}

//
// Create date/time from format and timezone
//
function create_date($format, $gmepoch, $tz)
{
	global $board_config, $lang;
	static $translate;

	if ( empty($translate) && $board_config['default_lang'] != 'english' )
	{
		@reset($lang['datetime']);
		while ( list($match, $replace) = @each($lang['datetime']) )
		{
			$translate[$match] = $replace;
		}
	}

	return ( !empty($translate) ) ? strtr(@gmdate($format, $gmepoch + (3600 * $tz)), $translate) : @gmdate($format, $gmepoch + (3600 * $tz));
}

//
// Pagination routine, generates
// page number sequence
//
function generate_pagination($base_url, $num_items, $per_page, $start_item, $add_prevnext_text = TRUE)
{
	global $lang;

	$total_pages = ceil($num_items/$per_page);

	if ( $total_pages == 1 )
	{
		return '';
	}

	$on_page = floor($start_item / $per_page) + 1;

	$page_string = '';
	if ( $total_pages > 10 )
	{
		$init_page_max = ( $total_pages > 3 ) ? 3 : $total_pages;

		for($i = 1; $i < $init_page_max + 1; $i++)
		{
			$page_string .= ( $i == $on_page ) ? '<b>' . $i . '</b>' : '<a href="' . mx_append_sid($base_url . "&amp;start=" . ( ( $i - 1 ) * $per_page ) ) . '">' . $i . '</a>';
			if ( $i <  $init_page_max )
			{
				$page_string .= ", ";
			}
		}

		if ( $total_pages > 3 )
		{
			if ( $on_page > 1  && $on_page < $total_pages )
			{
				$page_string .= ( $on_page > 5 ) ? ' ... ' : ', ';

				$init_page_min = ( $on_page > 4 ) ? $on_page : 5;
				$init_page_max = ( $on_page < $total_pages - 4 ) ? $on_page : $total_pages - 4;

				for($i = $init_page_min - 1; $i < $init_page_max + 2; $i++)
				{
					$page_string .= ($i == $on_page) ? '<b>' . $i . '</b>' : '<a href="' . mx_append_sid($base_url . "&amp;start=" . ( ( $i - 1 ) * $per_page ) ) . '">' . $i . '</a>';
					if ( $i <  $init_page_max + 1 )
					{
						$page_string .= ', ';
					}
				}

				$page_string .= ( $on_page < $total_pages - 4 ) ? ' ... ' : ', ';
			}
			else
			{
				$page_string .= ' ... ';
			}

			for($i = $total_pages - 2; $i < $total_pages + 1; $i++)
			{
				$page_string .= ( $i == $on_page ) ? '<b>' . $i . '</b>'  : '<a href="' . mx_append_sid($base_url . "&amp;start=" . ( ( $i - 1 ) * $per_page ) ) . '">' . $i . '</a>';
				if( $i <  $total_pages )
				{
					$page_string .= ", ";
				}
			}
		}
	}
	else
	{
		for($i = 1; $i < $total_pages + 1; $i++)
		{
			$page_string .= ( $i == $on_page ) ? '<b>' . $i . '</b>' : '<a href="' . mx_append_sid($base_url . "&amp;start=" . ( ( $i - 1 ) * $per_page ) ) . '">' . $i . '</a>';
			if ( $i <  $total_pages )
			{
				$page_string .= ', ';
			}
		}
	}

	if ( $add_prevnext_text )
	{
		if ( $on_page > 1 )
		{
			$page_string = ' <a href="' . mx_append_sid($base_url . "&amp;start=" . ( ( $on_page - 2 ) * $per_page ) ) . '">' . $lang['Previous'] . '</a>&nbsp;&nbsp;' . $page_string;
		}

		if ( $on_page < $total_pages )
		{
			$page_string .= '&nbsp;&nbsp;<a href="' . mx_append_sid($base_url . "&amp;start=" . ( $on_page * $per_page ) ) . '">' . $lang['Next'] . '</a>';
		}

	}

	$page_string = $lang['Goto_page'] . ' ' . $page_string;

	return $page_string;
}

//
// This does exactly what preg_quote() does in PHP 4-ish
// If you just need the 1-parameter preg_quote call, then don't bother using this.
//
function phpbb_preg_quote($str, $delimiter)
{
	$text = preg_quote($str);
	$text = str_replace($delimiter, '\\' . $delimiter, $text);

	return $text;
}

//
// Obtain list of naughty words and build preg style replacement arrays for use by the
// calling script, note that the vars are passed as references this just makes it easier
// to return both sets of arrays
//
function obtain_word_list(&$orig_word, &$replacement_word)
{
	global $db;

	//
	// Define censored word matches
	//
	$sql = "SELECT word, replacement
		FROM  " . WORDS_TABLE;
	if( !($result = $db->sql_query($sql)) )
	{
		mx_message_die(GENERAL_ERROR, 'Could not get censored words from database', '', __LINE__, __FILE__, $sql);
	}

	if ( $row = $db->sql_fetchrow($result) )
	{
		do
		{
			$orig_word[] = '#\b(' . str_replace('\*', '\w*?', preg_quote($row['word'], '#')) . ')\b#i';
			$replacement_word[] = $row['replacement'];
		}
		while ( $row = $db->sql_fetchrow($result) );
	}

	return true;
}

//
// This is general replacement for die(), allows templated
// output in users (or default) language, etc.
//
// $msg_code can be one of these constants:
//
// GENERAL_MESSAGE : Use for any simple text message, eg. results
// of an operation, authorisation failures, etc.
//
// GENERAL ERROR : Use for any error which occurs _AFTER_ the
// common.php include and session code, ie. most errors in
// pages/functions
//
// CRITICAL_MESSAGE : Used when basic config data is available but
// a session may not exist, eg. banned users
//
// CRITICAL_ERROR : Used when config data cannot be obtained, eg
// no database connection. Should _not_ be used in 99.5% of cases
//
/*
function message_die($msg_code, $msg_text = '', $msg_title = '', $err_line = '', $err_file = '', $sql = '')
{
	global $db, $template, $board_config, $theme, $lang, $phpEx, $phpbb_root_path, $nav_links, $gen_simple_header, $images;
	global $userdata, $user_ip, $session_length;
	global $starttime;

	if(defined('HAS_DIED'))
	{
		die("mx_message_die() was called multiple times. This isn't supposed to happen. Was message_die() used in page_tail.php?");
	}

	define('HAS_DIED', 1);


	$sql_store = $sql;

	//
	// Get SQL error if we are debugging. Do this as soon as possible to prevent
	// subsequent queries from overwriting the status of sql_error()
	//
	if ( DEBUG && ( $msg_code == GENERAL_ERROR || $msg_code == CRITICAL_ERROR ) )
	{
		$sql_error = $db->sql_error();

		$debug_text = '';

		if ( $sql_error['message'] != '' )
		{
			$debug_text .= '<br /><br />SQL Error : ' . $sql_error['code'] . ' ' . $sql_error['message'];
		}

		if ( $sql_store != '' )
		{
			$debug_text .= "<br /><br />$sql_store";
		}

		if ( $err_line != '' && $err_file != '' )
		{
			$debug_text .= '<br /><br />Line : ' . $err_line . '<br />File : ' . basename($err_file);
		}
	}

	if( empty($userdata) && ( $msg_code == GENERAL_MESSAGE || $msg_code == GENERAL_ERROR ) )
	{
		$userdata = session_pagestart($user_ip, PAGE_INDEX);
		init_userprefs($userdata);
	}

	//
	// If the header hasn't been output then do it
	//
	if ( !defined('HEADER_INC') && $msg_code != CRITICAL_ERROR )
	{
		if ( empty($lang) )
		{
			if ( !empty($board_config['default_lang']) )
			{
				include($phpbb_root_path . 'language/lang_' . $board_config['default_lang'] . '/lang_main.'.$phpEx);
			}
			else
			{
				include($phpbb_root_path . 'language/lang_english/lang_main.'.$phpEx);
			}
		}

		if ( empty($template) || empty($theme) )
		{
			$theme = setup_style($board_config['default_style']);
		}

		//
		// Load the Page Header
		//
		if ( !defined('IN_ADMIN') )
		{
			include($phpbb_root_path . 'includes/page_header.'.$phpEx);
		}
		else
		{
			include($phpbb_root_path . 'admin/page_header_admin.'.$phpEx);
		}
	}

	switch($msg_code)
	{
		case GENERAL_MESSAGE:
			if ( $msg_title == '' )
			{
				$msg_title = $lang['Information'];
			}
			break;

		case CRITICAL_MESSAGE:
			if ( $msg_title == '' )
			{
				$msg_title = $lang['Critical_Information'];
			}
			break;

		case GENERAL_ERROR:
			if ( $msg_text == '' )
			{
				$msg_text = $lang['An_error_occured'];
			}

			if ( $msg_title == '' )
			{
				$msg_title = $lang['General_Error'];
			}
			break;

		case CRITICAL_ERROR:
			//
			// Critical errors mean we cannot rely on _ANY_ DB information being
			// available so we're going to dump out a simple echo'd statement
			//
			include($phpbb_root_path . 'language/lang_english/lang_main.'.$phpEx);

			if ( $msg_text == '' )
			{
				$msg_text = $lang['A_critical_error'];
			}

			if ( $msg_title == '' )
			{
				$msg_title = 'phpBB : <b>' . $lang['Critical_Error'] . '</b>';
			}
			break;
	}

	//
	// Add on DEBUG info if we've enabled debug mode and this is an error. This
	// prevents debug info being output for general messages should DEBUG be
	// set TRUE by accident (preventing confusion for the end user!)
	//
	if ( DEBUG && ( $msg_code == GENERAL_ERROR || $msg_code == CRITICAL_ERROR ) )
	{
		if ( $debug_text != '' )
		{
			$msg_text = $msg_text . '<br /><br /><b><u>DEBUG MODE</u></b>' . $debug_text;
		}
	}

	if ( $msg_code != CRITICAL_ERROR )
	{
		if ( !empty($lang[$msg_text]) )
		{
			$msg_text = $lang[$msg_text];
		}

		if ( !defined('IN_ADMIN') )
		{
			$template->set_filenames(array(
				'message_body' => 'message_body.tpl')
			);
		}
		else
		{
			$template->set_filenames(array(
				'message_body' => 'admin/admin_message_body.tpl')
			);
		}

		$template->assign_vars(array(
			'MESSAGE_TITLE' => $msg_title,
			'MESSAGE_TEXT' => $msg_text)
		);
		$template->pparse('message_body');

		if ( !defined('IN_ADMIN') )
		{
			include($phpbb_root_path . 'includes/page_tail.'.$phpEx);
		}
		else
		{
			include($phpbb_root_path . 'admin/page_footer_admin.'.$phpEx);
		}
	}
	else
	{
		echo "<html>\n<body>\n" . $msg_title . "\n<br /><br />\n" . $msg_text . "</body>\n</html>";
	}

	exit;
}
*/

//
// This function is for compatibility with PHP 4.x's realpath()
// function.  In later versions of PHP, it needs to be called
// to do checks with some functions.  Older versions of PHP don't
// seem to need this, so we'll just return the original value.
// dougk_ff7 <October 5, 2002>
function phpbb_realpath($path)
{
	global $phpbb_root_path, $phpEx;

	return (!@function_exists('realpath') || !@realpath($phpbb_root_path . 'includes/functions.'.$phpEx)) ? $path : @realpath($path);
}

function redirect($url)
{
	global $db, $board_config;

	if (!empty($db))
	{
		$db->sql_close();
	}

	if (strstr(urldecode($url), "\n") || strstr(urldecode($url), "\r") || strstr(urldecode($url), ';url'))
	{
		message_die(GENERAL_ERROR, 'Tried to redirect to potentially insecure url.');
	}

	$server_protocol = ($board_config['cookie_secure']) ? 'https://' : 'http://';
	$server_name = preg_replace('#^\/?(.*?)\/?$#', '\1', trim($board_config['server_name']));
	$server_port = ($board_config['server_port'] <> 80) ? ':' . trim($board_config['server_port']) : '';
	$script_name = preg_replace('#^\/?(.*?)\/?$#', '\1', trim($board_config['script_path']));
	$script_name = ($script_name == '') ? $script_name : '/' . $script_name;
	$url = preg_replace('#^\/?(.*?)\/?$#', '/\1', trim($url));

	// Redirect via an HTML form for PITA webservers
	if (@preg_match('/Microsoft|WebSTAR|Xitami/', getenv('SERVER_SOFTWARE')))
	{
		header('Refresh: 0; URL=' . $server_protocol . $server_name . $server_port . $script_name . $url);
		echo '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"><meta http-equiv="refresh" content="0; url=' . $server_protocol . $server_name . $server_port . $script_name . $url . '"><title>Redirect</title></head><body><div align="center">If your browser does not support meta redirection please click <a href="' . $server_protocol . $server_name . $server_port . $script_name . $url . '">HERE</a> to be redirected</div></body></html>';
		exit;
	}

	// Behave as per HTTP/1.1 spec for others
	header('Location: ' . $server_protocol . $server_name . $server_port . $script_name . $url);
	exit;
}

}
?>
--- NEW FILE: functions_post.php ---
<?php
/***************************************************************************
 *                            functions_post.php
 *                            -------------------
 *   begin                : Saturday, Feb 13, 2001
 *   copyright            : (C) 2001 The phpBB Group
 *   email                : su...@ph...
 *
 *   $Id: functions_post.php,v 1.1 2008/03/10 06:02:31 orynider Exp $
 *
 *
 ***************************************************************************/

/***************************************************************************
 *
 *   This program is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation; either version 2 of the License, or
 *   (at your option) any later version.
 *
 ***************************************************************************/

if (!defined('IN_PHPBB'))
{
	die('Hacking attempt');
}

$html_entities_match = array('#&(?!(\#[0-9]+;))#', '#<#', '#>#', '#"#');
$html_entities_replace = array('&amp;', '&lt;', '&gt;', '&quot;');

$unhtml_specialchars_match = array('#&gt;#', '#&lt;#', '#&quot;#', '#&amp;#');
$unhtml_specialchars_replace = array('>', '<', '"', '&');

//
// This function will prepare a posted message for
// entry into the database.
//
function prepare_message($message, $html_on, $bbcode_on, $smile_on, $bbcode_uid = 0)
{
	global $board_config, $html_entities_match, $html_entities_replace;

	//
	// Clean up the message
	//
	$message = trim($message);

	if ($html_on)
	{
		// If HTML is on, we try to make it safe
		// This approach is quite agressive and anything that does not look like a valid tag
		// is going to get converted to HTML entities
		$message = stripslashes($message);
		$html_match = '#<[^\w<]*(\w+)((?:"[^"]*"|\'[^\']*\'|[^<>\'"])+)?>#';
		$matches = array();

		$message_split = preg_split($html_match, $message);
		preg_match_all($html_match, $message, $matches);

		$message = '';

		foreach ($message_split as $part)
		{
			$tag = array(array_shift($matches[0]), array_shift($matches[1]), array_shift($matches[2]));
			$message .= preg_replace($html_entities_match, $html_entities_replace, $part) . clean_html($tag);
		}

		$message = addslashes($message);
		$message = str_replace('&quot;', '\&quot;', $message);
	}
	else
	{
		$message = preg_replace($html_entities_match, $html_entities_replace, $message);
	}

	if($bbcode_on && $bbcode_uid != '')
	{
		$message = bbencode_first_pass($message, $bbcode_uid);
	}

	return $message;
}

function unprepare_message($message)
{
	global $unhtml_specialchars_match, $unhtml_specialchars_replace;

	return preg_replace($unhtml_specialchars_match, $unhtml_specialchars_replace, $message);
}

//
// Prepare a message for posting
//
function prepare_post(&$mode, &$post_data, &$bbcode_on, &$html_on, &$smilies_on, &$error_msg, &$username, &$bbcode_uid, &$subject, &$message, &$poll_title, &$poll_options, &$poll_length)
{
	global $board_config, $userdata, $lang, $phpEx, $phpbb_root_path;

	// Check username
	if (!empty($username))
	{
		$username = phpbb_clean_username($username);

		if (!$userdata['session_logged_in'] || ($userdata['session_logged_in'] && $username != $userdata['username']))
		{
			include($phpbb_root_path . 'includes/functions_validate.'.$phpEx);

			$result = validate_username($username);
			if ($result['error'])
			{
				$error_msg .= (!empty($error_msg)) ? '<br />' . $result['error_msg'] : $result['error_msg'];
			}
		}
		else
		{
			$username = '';
		}
	}

	// Check subject
	if (!empty($subject))
	{
		$subject = htmlspecialchars(trim($subject));
	}
	else if ($mode == 'newtopic' || ($mode == 'editpost' && $post_data['first_post']))
	{
		$error_msg .= (!empty($error_msg)) ? '<br />' . $lang['Empty_subject'] : $lang['Empty_subject'];
	}

	// Check message
	if (!empty($message))
	{
		$bbcode_uid = ($bbcode_on) ? make_bbcode_uid() : '';
		$message = prepare_message(trim($message), $html_on, $bbcode_on, $smilies_on, $bbcode_uid);
	}
	else if ($mode != 'delete' && $mode != 'poll_delete')
	{
		$error_msg .= (!empty($error_msg)) ? '<br />' . $lang['Empty_message'] : $lang['Empty_message'];
	}

	//
	// Handle poll stuff
	//
	if ($mode == 'newtopic' || ($mode == 'editpost' && $post_data['first_post']))
	{
		$poll_length = (isset($poll_length)) ? max(0, intval($poll_length)) : 0;

		if (!empty($poll_title))
		{
			$poll_title = htmlspecialchars(trim($poll_title));
		}

		if(!empty($poll_options))
		{
			$temp_option_text = array();
			while(list($option_id, $option_text) = @each($poll_options))
			{
				$option_text = trim($option_text);
				if (!empty($option_text))
				{
					$temp_option_text[intval($option_id)] = htmlspecialchars($option_text);
				}
			}
			$option_text = $temp_option_text;

			if (count($poll_options) < 2)
			{
				$error_msg .= (!empty($error_msg)) ? '<br />' . $lang['To_few_poll_options'] : $lang['To_few_poll_options'];
			}
			else if (count($poll_options) > $board_config['max_poll_options'])
			{
				$error_msg .= (!empty($error_msg)) ? '<br />' . $lang['To_many_poll_options'] : $lang['To_many_poll_options'];
			}
			else if ($poll_title == '')
			{
				$error_msg .= (!empty($error_msg)) ? '<br />' . $lang['Empty_poll_title'] : $lang['Empty_poll_title'];
			}
		}
	}

	return;
}

//
// Post a new topic/reply/poll or edit existing post/poll
//
function submit_post($mode, &$post_data, &$message, &$meta, &$forum_id, &$topic_id, &$post_id, &$poll_id, &$topic_type, &$bbcode_on, &$html_on, &$smilies_on, &$attach_sig, &$bbcode_uid, $post_username, $post_subject, $post_message, $poll_title, &$poll_options, &$poll_length)
{
	global $board_config, $lang, $db, $phpbb_root_path, $phpEx;
	global $userdata, $user_ip;

	include($phpbb_root_path . 'includes/functions_search.'.$phpEx);

	$current_time = time();

	if ($mode == 'newtopic' || $mode == 'reply' || $mode == 'editpost')
	{
		//
		// Flood control
		//
		$where_sql = ($userdata['user_id'] == ANONYMOUS) ? "poster_ip = '$user_ip'" : 'poster_id = ' . $userdata['user_id'];
		$sql = "SELECT MAX(post_time) AS last_post_time
			FROM " . POSTS_TABLE . "
			WHERE $where_sql";
		if ($result = $db->sql_query($sql))
		{
			if ($row = $db->sql_fetchrow($result))
			{
				if (intval($row['last_post_time']) > 0 && ($current_time - intval($row['last_post_time'])) < intval($board_config['flood_interval']))
				{
					mx_message_die(GENERAL_MESSAGE, $lang['Flood_Error']);
				}
			}
		}
	}

	if ($mode == 'editpost')
	{
		remove_search_post($post_id);
	}

	if ($mode == 'newtopic' || ($mode == 'editpost' && $post_data['first_post']))
	{
		$topic_vote = (!empty($poll_title) && count($poll_options) >= 2) ? 1 : 0;

		$sql  = ($mode != "editpost") ? "INSERT INTO " . TOPICS_TABLE . " (topic_title, topic_poster, topic_time, forum_id, topic_status, topic_type, topic_vote) VALUES ('$post_subject', " . $userdata['user_id'] . ", $current_time, $forum_id, " . TOPIC_UNLOCKED . ", $topic_type, $topic_vote)" : "UPDATE " . TOPICS_TABLE . " SET topic_title = '$post_subject', topic_type = $topic_type " . (($post_data['edit_vote'] || !empty($poll_title)) ? ", topic_vote = " . $topic_vote : "") . " WHERE topic_id = $topic_id";
		if (!$db->sql_query($sql))
		{
			mx_message_die(GENERAL_ERROR, 'Error in posting', '', __LINE__, __FILE__, $sql);
		}

		if ($mode == 'newtopic')
		{
			$topic_id = $db->sql_nextid();
		}
	}

	$edited_sql = ($mode == 'editpost' && !$post_data['last_post'] && $post_data['poster_post']) ? ", post_edit_time = $current_time, post_edit_count = post_edit_count + 1 " : "";
	$sql = ($mode != "editpost") ? "INSERT INTO " . POSTS_TABLE . " (topic_id, forum_id, poster_id, post_username, post_time, poster_ip, enable_bbcode, enable_html, enable_smilies, enable_sig) VALUES ($topic_id, $forum_id, " . $userdata['user_id'] . ", '$post_username', $current_time, '$user_ip', $bbcode_on, $html_on, $smilies_on, $attach_sig)" : "UPDATE " . POSTS_TABLE . " SET post_username = '$post_username', enable_bbcode = $bbcode_on, enable_html = $html_on, enable_smilies = $smilies_on, enable_sig = $attach_sig" . $edited_sql . " WHERE post_id = $post_id";
	if (!$db->sql_query($sql))
	{
		mx_message_die(GENERAL_ERROR, 'Error in posting', '', __LINE__, __FILE__, $sql);
	}

	if ($mode != 'editpost')
	{
		$post_id = $db->sql_nextid();
	}

	$sql = ($mode != 'editpost') ? "INSERT INTO " . POSTS_TEXT_TABLE . " (post_id, post_subject, bbcode_uid, post_text) VALUES ($post_id, '$post_subject', '$bbcode_uid', '$post_message')" : "UPDATE " . POSTS_TEXT_TABLE . " SET post_text = '$post_message',  bbcode_uid = '$bbcode_uid', post_subject = '$post_subject' WHERE post_id = $post_id";
	if (!$db->sql_query($sql))
	{
		mx_message_die(GENERAL_ERROR, 'Error in posting', '', __LINE__, __FILE__, $sql);
	}

	add_search_words('single', $post_id, stripslashes($post_message), stripslashes($post_subject));

	//
	// Add poll
	//
	if (($mode == 'newtopic' || ($mode == 'editpost' && $post_data['edit_poll'])) && !empty($poll_title) && count($poll_options) >= 2)
	{
		$sql = (!$post_data['has_poll']) ? "INSERT INTO " . VOTE_DESC_TABLE . " (topic_id, vote_text, vote_start, vote_length) VALUES ($topic_id, '$poll_title', $current_time, " . ($poll_length * 86400) . ")" : "UPDATE " . VOTE_DESC_TABLE . " SET vote_text = '$poll_title', vote_length = " . ($poll_length * 86400) . " WHERE topic_id = $topic_id";
		if (!$db->sql_query($sql))
		{
			mx_message_die(GENERAL_ERROR, 'Error in posting', '', __LINE__, __FILE__, $sql);
		}

		$delete_option_sql = '';
		$old_poll_result = array();
		if ($mode == 'editpost' && $post_data['has_poll'])
		{
			$sql = "SELECT vote_option_id, vote_result
				FROM " . VOTE_RESULTS_TABLE . "
				WHERE vote_id = $poll_id
				ORDER BY vote_option_id ASC";
			if (!($result = $db->sql_query($sql)))
			{
				mx_message_die(GENERAL_ERROR, 'Could not obtain vote data results for this topic', '', __LINE__, __FILE__, $sql);
			}

			while ($row = $db->sql_fetchrow($result))
			{
				$old_poll_result[$row['vote_option_id']] = $row['vote_result'];

				if (!isset($poll_options[$row['vote_option_id']]))
				{
					$delete_option_sql .= ($delete_option_sql != '') ? ', ' . $row['vote_option_id'] : $row['vote_option_id'];
				}
			}
		}
		else
		{
			$poll_id = $db->sql_nextid();
		}

		@reset($poll_options);

		$poll_option_id = 1;
		while (list($option_id, $option_text) = each($poll_options))
		{
			if (!empty($option_text))
			{
				$option_text = str_replace("\'", "''", htmlspecialchars($option_text));
				$poll_result = ($mode == "editpost" && isset($old_poll_result[$option_id])) ? $old_poll_result[$option_id] : 0;

				$sql = ($mode != "editpost" || !isset($old_poll_result[$option_id])) ? "INSERT INTO " . VOTE_RESULTS_TABLE . " (vote_id, vote_option_id, vote_option_text, vote_result) VALUES ($poll_id, $poll_option_id, '$option_text', $poll_result)" : "UPDATE " . VOTE_RESULTS_TABLE . " SET vote_option_text = '$option_text', vote_result = $poll_result WHERE vote_option_id = $option_id AND vote_id = $poll_id";
				if (!$db->sql_query($sql))
				{
					mx_message_die(GENERAL_ERROR, 'Error in posting', '', __LINE__, __FILE__, $sql);
				}
				$poll_option_id++;
			}
		}

		if ($delete_option_sql != '')
		{
			$sql = "DELETE FROM " . VOTE_RESULTS_TABLE . "
				WHERE vote_option_id IN ($delete_option_sql)
					AND vote_id = $poll_id";
			if (!$db->sql_query($sql))
			{
				mx_message_die(GENERAL_ERROR, 'Error deleting pruned poll options', '', __LINE__, __FILE__, $sql);
			}
		}
	}

	$meta = '<meta http-equiv="refresh" content="3;url=' . append_sid("viewtopic.$phpEx?" . POST_POST_URL . "=" . $post_id) . '#' . $post_id . '">';
	$message = $lang['Stored'] . '<br /><br />' . sprintf($lang['Click_view_message'], '<a href="' . append_sid("viewtopic.$phpEx?" . POST_POST_URL . "=" . $post_id) . '#' . $post_id . '">', '</a>') . '<br /><br />' . sprintf($lang['Click_return_forum'], '<a href="' . append_sid("viewforum.$phpEx?" . POST_FORUM_URL . "=$forum_id") . '">', '</a>');

	return false;
}

//
// Update post stats and details
//
function update_post_stats(&$mode, &$post_data, &$forum_id, &$topic_id, &$post_id, &$user_id)
{
	global $db;

	$sign = ($mode == 'delete') ? '- 1' : '+ 1';
	$forum_update_sql = "forum_posts = forum_posts $sign";
	$topic_update_sql = '';

	if ($mode == 'delete')
	{
		if ($post_data['last_post'])
		{
			if ($post_data['first_post'])
			{
				$forum_update_sql .= ', forum_topics = forum_topics - 1';
			}
			else
			{

				$topic_update_sql .= 'topic_replies = topic_replies - 1';

				$sql = "SELECT MAX(post_id) AS last_post_id
					FROM " . POSTS_TABLE . "
					WHERE topic_id = $topic_id";
				if (!($result = $db->sql_query($sql)))
				{
					mx_message_die(GENERAL_ERROR, 'Error in deleting post', '', __LINE__, __FILE__, $sql);
				}

				if ($row = $db->sql_fetchrow($result))
				{
					$topic_update_sql .= ', topic_last_post_id = ' . $row['last_post_id'];
				}
			}

			if ($post_data['last_topic'])
			{
				$sql = "SELECT MAX(post_id) AS last_post_id
					FROM " . POSTS_TABLE . "
					WHERE forum_id = $forum_id";
				if (!($result = $db->sql_query($sql)))
				{
					mx_message_die(GENERAL_ERROR, 'Error in deleting post', '', __LINE__, __FILE__, $sql);
				}

				if ($row = $db->sql_fetchrow($result))
				{
					$forum_update_sql .= ($row['last_post_id']) ? ', forum_last_post_id = ' . $row['last_post_id'] : ', forum_last_post_id = 0';
				}
			}
		}
		else if ($post_data['first_post'])
		{
			$sql = "SELECT MIN(post_id) AS first_post_id
				FROM " . POSTS_TABLE . "
				WHERE topic_id = $topic_id";
			if (!($result = $db->sql_query($sql)))
			{
				mx_message_die(GENERAL_ERROR, 'Error in deleting post', '', __LINE__, __FILE__, $sql);
			}

			if ($row = $db->sql_fetchrow($result))
			{
				$topic_update_sql .= 'topic_replies = topic_replies - 1, topic_first_post_id = ' . $row['first_post_id'];
			}
		}
		else
		{
			$topic_update_sql .= 'topic_replies = topic_replies - 1';
		}
	}
	else if ($mode != 'poll_delete')
	{
		$forum_update_sql .= ", forum_last_post_id = $post_id" . (($mode == 'newtopic') ? ", forum_topics = forum_topics $sign" : "");
		$topic_update_sql = "topic_last_post_id = $post_id" . (($mode == 'reply') ? ", topic_replies = topic_replies $sign" : ", topic_first_post_id = $post_id");
	}
	else
	{
		$topic_update_sql .= 'topic_vote = 0';
	}

	if ($mode != 'poll_delete')
	{
		$sql = "UPDATE " . FORUMS_TABLE . " SET
			$forum_update_sql
			WHERE forum_id = $forum_id";
		if (!$db->sql_query($sql))
		{
			mx_message_die(GENERAL_ERROR, 'Error in posting', '', __LINE__, __FILE__, $sql);
		}
	}

	if ($topic_update_sql != '')
	{
		$sql = "UPDATE " . TOPICS_TABLE . " SET
			$topic_update_sql
			WHERE topic_id = $topic_id";
		if (!$db->sql_query($sql))
		{
			mx_message_die(GENERAL_ERROR, 'Error in posting', '', __LINE__, __FILE__, $sql);
		}
	}

	if ($mode != 'poll_delete')
	{
		$sql = "UPDATE " . USERS_TABLE . "
			SET user_posts = user_posts $sign
			WHERE user_id = $user_id";
		if (!$db->sql_query($sql))
		{
			mx_message_die(GENERAL_ERROR, 'Error in posting', '', __LINE__, __FILE__, $sql);
		}
	}

	return;
}

//
// Delete a post/poll
//
function delete_post($mode, &$post_data, &$message, &$meta, &$forum_id, &$topic_id, &$post_id, &$poll_id)
{
	global $board_config, $lang, $db, $phpbb_root_path, $phpEx;
	global $userdata, $user_ip;

	if ($mode != 'poll_delete')
	{
		include($phpbb_root_path . 'includes/functions_search.'.$phpEx);

		$sql = "DELETE FROM " . POSTS_TABLE . "
			WHERE post_id = $post_id";
		if (!$db->sql_query($sql))
		{
			mx_message_die(GENERAL_ERROR, 'Error in deleting post', '', __LINE__, __FILE__, $sql);
		}

		$sql = "DELETE FROM " . POSTS_TEXT_TABLE . "
			WHERE post_id = $post_id";
		if (!$db->sql_query($sql))
		{
			mx_message_die(GENERAL_ERROR, 'Error in deleting post', '', __LINE__, __FILE__, $sql);
		}

		if ($post_data['last_post'])
		{
			if ($post_data['first_post'])
			{
				$forum_update_sql .= ', forum_topics = forum_topics - 1';
				$sql = "DELETE FROM " . TOPICS_TABLE . "
					WHERE topic_id = $topic_id
						OR topic_moved_id = $topic_id";
				if (!$db->sql_query($sql))
				{
					mx_message_die(GENERAL_ERROR, 'Error in deleting post', '', __LINE__, __FILE__, $sql);
				}

				$sql = "DELETE FROM " . TOPICS_WATCH_TABLE . "
					WHERE topic_id = $topic_id";
				if (!$db->sql_query($sql))
				{
					mx_message_die(GENERAL_ERROR, 'Error in deleting post', '', __LINE__, __FILE__, $sql);
				}
			}
		}

		remove_search_post($post_id);
	}

	if ($mode == 'poll_delete' || ($mode == 'delete' && $post_data['first_post'] && $post_data['last_post']) && $post_data['has_poll'] && $post_data['edit_poll'])
	{
		$sql = "DELETE FROM " . VOTE_DESC_TABLE . "
			WHERE topic_id = $topic_id";
		if (!$db->sql_query($sql))
		{
			mx_message_die(GENERAL_ERROR, 'Error in deleting poll', '', __LINE__, __FILE__, $sql);
		}

		$sql = "DELETE FROM " . VOTE_RESULTS_TABLE . "
			WHERE vote_id = $poll_id";
		if (!$db->sql_query($sql))
		{
			mx_message_die(GENERAL_ERROR, 'Error in deleting poll', '', __LINE__, __FILE__, $sql);
		}

		$sql = "DELETE FROM " . VOTE_USERS_TABLE . "
			WHERE vote_id = $poll_id";
		if (!$db->sql_query($sql))
		{
			mx_message_die(GENERAL_ERROR, 'Error in deleting poll', '', __LINE__, __FILE__, $sql);
		}
	}

	if ($mode == 'delete' && $post_data['first_post'] && $post_data['last_post'])
	{
		$meta = '<meta http-equiv="refresh" content="3;url=' . append_sid("viewforum.$phpEx?" . POST_FORUM_URL . '=' . $forum_id) . '">';
		$message = $lang['Deleted'];
	}
	else
	{
		$meta = '<meta http-equiv="refresh" content="3;url=' . append_sid("viewtopic.$phpEx?" . POST_TOPIC_URL . '=' . $topic_id) . '">';
		$message = (($mode == 'poll_delete') ? $lang['Poll_delete'] : $lang['Deleted']) . '<br /><br />' . sprintf($lang['Click_return_topic'], '<a href="' . append_sid("viewtopic.$phpEx?" . POST_TOPIC_URL . "=$topic_id") . '">', '</a>');
	}

	$message .=  '<br /><br />' . sprintf($lang['Click_return_forum'], '<a href="' . append_sid("viewforum.$phpEx?" . POST_FORUM_URL . "=$forum_id") . '">', '</a>');

	return;
}

//
// Handle user notification on new post
//
function user_notification($mode, &$post_data, &$topic_title, &$forum_id, &$topic_id, &$post_id, &$notify_user)
{
	global $board_config, $lang, $db, $phpbb_root_path, $phpEx;
	global $userdata, $user_ip;

	$current_time = time();

	if ($mode != 'delete')
	{
		if ($mode == 'reply')
		{
			$sql = "SELECT ban_userid
				FROM " . BANLIST_TABLE;
			if (!($result = $db->sql_query($sql)))
			{
				mx_message_die(GENERAL_ERROR, 'Could not obtain banlist', '', __LINE__, __FILE__, $sql);
			}

			$user_id_sql = '';
			while ($row = $db->sql_fetchrow($result))
			{
				if (isset($row['ban_userid']) && !empty($row['ban_userid']))
				{
					$user_id_sql .= ', ' . $row['ban_userid'];
				}
			}

			$sql = "SELECT u.user_id, u.user_email, u.user_lang
				FROM " . TOPICS_WATCH_TABLE . " tw, " . USERS_TABLE . " u
				WHERE tw.topic_id = $topic_id
					AND tw.user_id NOT IN (" . $userdata['user_id'] . ", " . ANONYMOUS . $user_id_sql . ")
					AND tw.notify_status = " . TOPIC_WATCH_UN_NOTIFIED . "
					AND u.user_id = tw.user_id";
			if (!($result = $db->sql_query($sql)))
			{
				mx_message_die(GENERAL_ERROR, 'Could not obtain list of topic watchers', '', __LINE__, __FILE__, $sql);
			}

			$update_watched_sql = '';
			$bcc_list_ary = array();

			if ($row = $db->sql_fetchrow($result))
			{
				// Sixty second limit
				@set_time_limit(60);

				do
				{
					if ($row['user_email'] != '')
					{
						$bcc_list_ary[$row['user_lang']][] = $row['user_email'];
					}
					$update_watched_sql .= ($update_watched_sql != '') ? ', ' . $row['user_id'] : $row['user_id'];
				}
				while ($row = $db->sql_fetchrow($result));

				//
				// Let's do some checking to make sure that mass mail functions
				// are working in win32 versions of php.
				//
				if (preg_match('/[c-z]:\\\.*/i', getenv('PATH')) && !$board_config['smtp_delivery'])
				{
					$ini_val = (@phpversion() >= '4.0.0') ? 'ini_get' : 'get_cfg_var';

					// We are running on windows, force delivery to use our smtp functions
					// since php's are broken by default
					$board_config['smtp_delivery'] = 1;
					$board_config['smtp_host'] = @$ini_val('SMTP');
				}

				if (sizeof($bcc_list_ary))
				{
					include($phpbb_root_path . 'includes/emailer.'.$phpEx);
					$emailer = new emailer($board_config['smtp_delivery']);

					$script_name = preg_replace('/^\/?(.*?)\/?$/', '\1', trim($board_config['script_path']));
					$script_name = ($script_name != '') ? $script_name . '/viewtopic.'.$phpEx : 'viewtopic.'.$phpEx;
					$server_name = trim($board_config['server_name']);
					$server_protocol = ($board_config['cookie_secure']) ? 'https://' : 'http://';
					$server_port = ($board_config['server_port'] <> 80) ? ':' . trim($board_config['server_port']) . '/' : '/';

					$orig_word = array();
					$replacement_word = array();
					phpBB2::obtain_word_list($orig_word, $replacement_word);

					$emailer->from($board_config['board_email']);
					$emailer->replyto($board_config['board_email']);

					$topic_title = (count($orig_word)) ? preg_replace($orig_word, $replacement_word, unprepare_message($topic_title)) : unprepare_message($topic_title);

					@reset($bcc_list_ary);
					while (list($user_lang, $bcc_list) = each($bcc_list_ary))
					{
						$emailer->use_template('topic_notify', $user_lang);

						for ($i = 0; $i < count($bcc_list); $i++)
						{
							$emailer->bcc($bcc_list[$i]);
						}

						// The Topic_reply_notification lang string below will be used
						// if for some reason the mail template subject cannot be read
						// ... note it will not necessarily be in the posters own language!
						$emailer->set_subject($lang['Topic_reply_notification']);

						// This is a nasty kludge to remove the username var ... till (if?)
						// translators update their templates
						$emailer->msg = preg_replace('#[ ]?{USERNAME}#', '', $emailer->msg);

						$emailer->assign_vars(array(
							'EMAIL_SIG' => (!empty($board_config['board_email_sig'])) ? str_replace('<br />', "\n", "-- \n" . $board_config['board_email_sig']) : '',
							'SITENAME' => $board_config['sitename'],
							'TOPIC_TITLE' => $topic_title,

							'U_TOPIC' => $server_protocol . $server_name . $server_port . $script_name . '?' . POST_POST_URL . "=$post_id#$post_id",
							'U_STOP_WATCHING_TOPIC' => $server_protocol . $server_name . $server_port . $script_name . '?' . POST_TOPIC_URL . "=$topic_id&unwatch=topic")
						);

						$emailer->send();
						$emailer->reset();
					}
				}
			}
			$db->sql_freeresult($result);

			if ($update_watched_sql != '')
			{
				$sql = "UPDATE " . TOPICS_WATCH_TABLE . "
					SET notify_status = " . TOPIC_WATCH_NOTIFIED . "
					WHERE topic_id = $topic_id
						AND user_id IN ($update_watched_sql)";
				$db->sql_query($sql);
			}
		}

		$sql = "SELECT topic_id
			FROM " . TOPICS_WATCH_TABLE . "
			WHERE topic_id = $topic_id
				AND user_id = " . $userdata['user_id'];
		if (!($result = $db->sql_query($sql)))
		{
			mx_message_die(GENERAL_ERROR, 'Could not obtain topic watch information', '', __LINE__, __FILE__, $sql);
		}

		$row = $db->sql_fetchrow($result);

		if (!$notify_user && !empty($row['topic_id']))
		{
			$sql = "DELETE FROM " . TOPICS_WATCH_TABLE . "
				WHERE topic_id = $topic_id
					AND user_id = " . $userdata['user_id'];
			if (!$db->sql_query($sql))
			{
				mx_message_die(GENERAL_ERROR, 'Could not delete topic watch information', '', __LINE__, __FILE__, $sql);
			}
		}
		else if ($notify_user && empty($row['topic_id']))
		{
			$sql = "INSERT INTO " . TOPICS_WATCH_TABLE . " (user_id, topic_id, notify_status)
				VALUES (" . $userdata['user_id'] . ", $topic_id, 0)";
			if (!$db->sql_query($sql))
			{
				mx_message_die(GENERAL_ERROR, 'Could not insert topic watch information', '', __LINE__, __FILE__, $sql);
			}
		}
	}
}

//
// Fill smiley templates (or just the variables) with smileys
// Either in a window or inline
//
function generate_smilies($mode, $page_id)
{
	global $db, $board_config, $template, $lang, $images, $theme, $phpEx, $phpbb_root_path;
	global $user_ip, $session_length, $starttime;
	global $userdata;

	$inline_columns = 4;
	$inline_rows = 5;
	$window_columns = 8;

	if ($mode == 'window')
	{
		$userdata = session_pagestart($user_ip, $page_id);
		init_userprefs($userdata);

		$gen_simple_header = TRUE;

		$page_title = $lang['Emoticons'];
		include($phpbb_root_path . 'includes/page_header.'.$phpEx);

		$template->set_filenames(array(
			'smiliesbody' => 'posting_smilies.tpl')
		);
	}

	$sql = "SELECT emoticon, code, smile_url
		FROM " . SMILIES_TABLE . "
		ORDER BY smilies_id";
	if ($result = $db->sql_query($sql))
	{
		$num_smilies = 0;
		$rowset = array();
		while ($row = $db->sql_fetchrow($result))
		{
			if (empty($rowset[$row['smile_url']]))
			{
				$rowset[$row['smile_url']]['code'] = str_replace("'", "\\'", str_replace('\\', '\\\\', $row['code']));
				$rowset[$row['smile_url']]['emoticon'] = $row['emoticon'];
				$num_smilies++;
			}
		}

		if ($num_smilies)
		{
			$smilies_count = ($mode == 'inline') ? min(19, $num_smilies) : $num_smilies;
			$smilies_split_row = ($mode == 'inline') ? $inline_columns - 1 : $window_columns - 1;

			$s_colspan = 0;
			$row = 0;
			$col = 0;

			while (list($smile_url, $data) = @each($rowset))
			{
				if (!$col)
				{
					$template->assign_block_vars('smilies_row', array());
				}

				$template->assign_block_vars('smilies_row.smilies_col', array(
					'SMILEY_CODE' => $data['code'],
					'SMILEY_IMG' => $board_config['smilies_path'] . '/' . $smile_url,
					'SMILEY_DESC' => $data['emoticon'])
				);

				$s_colspan = max($s_colspan, $col + 1);

				if ($col == $smilies_split_row)
				{
					if ($mode == 'inline' && $row == $inline_rows - 1)
					{
						break;
					}
					$col = 0;
					$row++;
				}
				else
				{
					$col++;
				}
			}

			if ($mode == 'inline' && $num_smilies > $inline_rows * $inline_columns)
			{
				$template->assign_block_vars('switch_smilies_extra', array());

				$template->assign_vars(array(
					'L_MORE_SMILIES' => $lang['More_emoticons'],
					'U_MORE_SMILIES' => append_sid("posting.$phpEx?mode=smilies"))
				);
			}

			$template->assign_vars(array(
				'L_EMOTICONS' => $lang['Emoticons'],
				'L_CLOSE_WINDOW' => $lang['Close_window'],
				'S_SMILIES_COLSPAN' => $s_colspan)
			);
		}
	}

	if ($mode == 'window')
	{
		$template->pparse('smiliesbody');

		include($phpbb_root_path . 'includes/page_tail.'.$phpEx);
	}
}

/**
* Called from within prepare_message to clean included HTML tags if HTML is
* turned on for that post
* @param array $tag Matching text from the message to parse
*/
function clean_html($tag)
{
	global $board_config;

	if (empty($tag[0]))
	{
		return '';
	}

	$allowed_html_tags = preg_split('/, */', strtolower($board_config['allow_html_tags']));
	$disallowed_attributes = '/^(?:style|on)/i';

	// Check if this is an end tag
	preg_match('/<[^\w\/]*\/[\W]*(\w+)/', $tag[0], $matches);
	if (sizeof($matches))
	{
		if (in_array(strtolower($matches[1]), $allowed_html_tags))
		{
			return  '</' . $matches[1] . '>';
		}
		else
		{
			return  htmlspecialchars('</' . $matches[1] . '>');
		}
	}

	// Check if this is an allowed tag
	if (in_array(strtolower($tag[1]), $allowed_html_tags))
	{
		$attributes = '';
		if (!empty($tag[2]))
		{
			preg_match_all('/[\W]*?(\w+)[\W]*?=[\W]*?(["\'])((?:(?!\2).)*)\2/', $tag[2], $test);
			for ($i = 0; $i < sizeof($test[0]); $i++)
			{
				if (preg_match($disallowed_attributes, $test[1][$i]))
				{
					continue;
				}
				$attributes .= ' ' . $test[1][$i] . '=' . $test[2][$i] . str_replace(array('[', ']'), array('&#91;', '&#93;'), htmlspecialchars($test[3][$i])) . $test[2][$i];
			}
		}
		if (in_array(strtolower($tag[1]), $allowed_html_tags))
		{
			return '<' . $tag[1] . $attributes . '>';
		}
		else
		{
			return htmlspecialchars('<' . $tag[1] . $attributes . '>');
		}
	}
	// Finally, this is not an allowed tag so strip all the attibutes and escape it
	else
	{
		return htmlspecialchars('<' .   $tag[1] . '>');
	}
}
?>
--- NEW FILE: bbcode.php ---
<?php
/***************************************************************************
 *                              bbcode.php
 *                            -------------------
 *   begin                : Saturday, Feb 13, 2001
 *   copyright            : (C) 2001 The phpBB Group
 *   email                : su...@ph...
 *
 *   $Id: bbcode.php,v 1.1 2008/03/10 06:02:27 orynider Exp $
 *
 ***************************************************************************/

/***************************************************************************
 *
 *   This program is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation; either version 2 of the License, or
 *   (at your option) any later version.
 *
 ***************************************************************************/

/*
 * MXBB MODIFICATIONS:
 * mx_dss_rand()
 *
*/

if ( !defined('IN_PHPBB') )
{
	die("Hacking attempt");
}

define("BBCODE_UID_LEN", 10);

// global that holds loaded-and-prepared bbcode templates, so we only have to do
// that stuff once.

$bbcode_tpl = null;

/**
 * Loads bbcode templates from the bbcode.tpl file of the current template set.
 * Creates an array, keys are bbcode names like "b_open" or "url", values
 * are the associated template.
 * Probably pukes all over the place if there's something really screwed
 * with the bbcode.tpl file.
 *
 * Nathan Codding, Sept 26 2001.
 */
function load_bbcode_template()
{
	global $template;
	$tpl_filename = $template->make_filename('bbcode.tpl');
	$tpl = fread(fopen($tpl_filename, 'r'), filesize($tpl_filename));

	// replace \ with \\ and then ' with \'.
	$tpl = str_replace('\\', '\\\\', $tpl);
	$tpl  = str_replace('\'', '\\\'', $tpl);

	// strip newlines.
	$tpl  = str_replace("\n", '', $tpl);

	// Turn template blocks into PHP assignment statements for the values of $bbcode_tpls..
	$tpl = preg_replace('#<!-- BEGIN (.*?) -->(.*?)<!-- END (.*?) -->#', "\n" . '$bbcode_tpls[\'\\1\'] = \'\\2\';', $tpl);

	$bbcode_tpls = array();

	eval($tpl);

	return $bbcode_tpls;
}


/**
 * Prepares the loaded bbcode templates for insertion into preg_replace()
 * or str_replace() calls in the bbencode_second_pass functions. This
 * means replacing template placeholders with the appropriate preg backrefs
 * or with language vars. NOTE: If you change how the regexps work in
 * bbencode_second_pass(), you MUST change this function.
 *
 * Nathan Codding, Sept 26 2001
 *
 */
function prepare_bbcode_template($bbcode_tpl)
{
	global $lang;

	$bbcode_tpl['olist_open'] = str_replace('{LIST_TYPE}', '\\1', $bbcode_tpl['olist_open']);

	$bbcode_tpl['color_open'] = str_replace('{COLOR}', '\\1', $bbcode_tpl['color_open']);

	$bbcode_tpl['size_open'] = str_replace('{SIZE}', '\\1', $bbcode_tpl['size_open']);

	$bbcode_tpl['quote_open'] = str_replace('{L_QUOTE}', $lang['Quote'], $bbcode_tpl['quote_open']);

	$bbcode_tpl['quote_username_open'] = str_replace('{L_QUOTE}', $lang['Quote'], $bbcode_tpl['quote_username_open']);
	$bbcode_tpl['quote_username_open'] = str_replace('{L_WROTE}', $lang['wrote'], $bbcode_tpl['quote_username_open']);
	$bbcode_tpl['quote_username_open'] = str_replace('{USERNAME}', '\\1', $bbcode_tpl['quote_username_open']);

	$bbcode_tpl['code_open'] = str_replace('{L_CODE}', $lang['Code'], $bbcode_tpl['code_open']);

	$bbcode_tpl['img'] = str_replace('{URL}', '\\1', $bbcode_tpl['img']);

	// We do URLs in several different ways..
	$bbcode_tpl['url1'] = str_replace('{URL}', '\\1', $bbcode_tpl['url']);
	$bbcode_tpl['url1'] = str_replace('{DESCRIPTION}', '\\1', $bbcode_tpl['url1']);

	$bbcode_tpl['url2'] = str_replace('{URL}', 'http://\\1', $bbcode_tpl['url']);
	$bbcode_tpl['url2'] = str_replace('{DESCRIPTION}', '\\1', $bbcode_tpl['url2']);

	$bbcode_tpl['url3'] = str_replace('{URL}', '\\1', $bbcode_tpl['url']);
	$bbcode_tpl['url3'] = str_replace('{DESCRIPTION}', '\\2', $bbcode_tpl['url3']);

	$bbcode_tpl['url4'] = str_replace('{URL}', 'http://\\1', $bbcode_tpl['url']);
	$bbcode_tpl['url4'] = str_replace('{DESCRIPTION}', '\\3', $bbcode_tpl['url4']);

	$bbcode_tpl['email'] = str_replace('{EMAIL}', '\\1', $bbcode_tpl['email']);

	define("BBCODE_TPL_READY", true);

	return $bbcode_tpl;
}


/**
 * Does second-pass bbencoding. This should be used before displaying the message in
 * a thread. Assumes the message is already first-pass encoded, and we are given the
 * correct UID as used in first-pass encoding.
 */
function bbencode_second_pass($text, $uid)
{
	global $lang, $bbcode_tpl;

	$text = preg_replace('#(script|about|applet|activex|chrome):#is', "\\1&#058;", $text);

	// pad it with a space so we can distinguish between FALSE and matching the 1st char (index 0).
	// This is important; bbencode_quote(), bbencode_list(), and bbencode_code() all depend on it.
	$text = " " . $text;

	// First: If there isn't a "[" and a "]" in the message, don't bother.
	if (! (strpos($text, "[") && strpos($text, "]")) )
	{
		// Remove padding, return.
		$text = substr($text, 1);
		return $text;
	}

	// Only load the templates ONCE..
	if (!defined("BBCODE_TPL_READY"))
	{
		// load templates from file into array.
		$bbcode_tpl = load_bbcode_template();

		// prepare array for use in regexps.
		$bbcode_tpl = prepare_bbcode_template($bbcode_tpl);
	}

	// [CODE] and [/CODE] for posting code (HTML, PHP, C etc etc) in your posts.
	$text = bbencode_second_pass_code($text, $uid, $bbcode_tpl);

	// [QUOTE] and [/QUOTE] for posting replies with quote, or just for quoting stuff.
	$text = str_replace("[quote:$uid]", $bbcode_tpl['quote_open'], $text);
	$text = str_replace("[/quote:$uid]", $bbcode_tpl['quote_close'], $text);

	// New one liner to deal with opening quotes with usernames...
	// replaces the two line version that I had here before..
	$text = preg_replace("/\[quote:$uid=\"(.*?)\"\]/si", $bbcode_tpl['quote_username_open'], $text);

	// [list] and [list=x] for (un)ordered lists.
	// unordered li...
 
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