index.php

这是php编的论坛的原代码

<?php
/***************************************************************************
 *                                index.php
 *                            -------------------
 *   begin                : Saturday, Feb 13, 2001
 *   copyright            : (C) 2001 The phpBB Group
 *   email                : [e-mail]
 *
 *   $Id: index.php,v 1.1.1.1 2003/02/11 22:27:27 wei.gao 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.
 *
 ***************************************************************************/

define('IN_PHPBB', true);
$phpbb_root_path = './';
include($phpbb_root_path . 'extension.inc');
include($phpbb_root_path . 'common.'.$phpEx);

//
// Start session management
//
$userdata = session_pagestart($user_ip, PAGE_INDEX);
init_userprefs($userdata);
//
// End session management
//

$viewcat = ( !empty($HTTP_GET_VARS[POST_CAT_URL]) ) ? $HTTP_GET_VARS[POST_CAT_URL] : -1;

if( isset($HTTP_GET_VARS['mark']) || isset($HTTP_POST_VARS['mark']) )
{
	$mark_read = ( isset($HTTP_POST_VARS['mark']) ) ? $HTTP_POST_VARS['mark'] : $HTTP_GET_VARS['mark'];
}
else
{
	$mark_read = '';
}

//
// Handle marking posts
//
if( $mark_read == 'forums' )
{
	if( $userdata['session_logged_in'] )
	{
		setcookie($board_config['cookie_name'] . '_f_all', time(), 0, $board_config['cookie_path'], $board_config['cookie_domain'], $board_config['cookie_secure']);
	}

	$template->assign_vars(array(
		"META" => '<meta http-equiv="refresh" content="3;url='  .append_sid("index.$phpEx") . '">')
	);

	$message = $lang['Forums_marked_read'] . '<br /><br />' . sprintf($lang['Click_return_index'], '<a href="' . append_sid("index.$phpEx") . '">', '</a> ');

	message_die(GENERAL_MESSAGE, $message);
}
//
// End handle marking posts
//

$tracking_topics = ( isset($HTTP_COOKIE_VARS[$board_config['cookie_name'] . '_t']) ) ? unserialize($HTTP_COOKIE_VARS[$board_config['cookie_name'] . "_t"]) : array();
$tracking_forums = ( isset($HTTP_COOKIE_VARS[$board_config['cookie_name'] . '_f']) ) ? unserialize($HTTP_COOKIE_VARS[$board_config['cookie_name'] . "_f"]) : array();

//
// If you don't use these stats on your index you may want to consider
// removing them
//
$total_posts = get_db_stat('postcount');
$total_users = get_db_stat('usercount');
$newest_userdata = get_db_stat('newestuser');
$newest_user = $newest_userdata['username'];
$newest_uid = $newest_userdata['user_id'];

if( $total_posts == 0 )
{
	$l_total_post_s = $lang['Posted_articles_zero_total'];
}
else if( $total_posts == 1 )
{
	$l_total_post_s = $lang['Posted_article_total'];
}
else
{
	$l_total_post_s = $lang['Posted_articles_total'];
}

if( $total_users == 0 )
{
	$l_total_user_s = $lang['Registered_users_zero_total'];
}
else if( $total_users == 1 )
{
	$l_total_user_s = $lang['Registered_user_total'];
}
else
{
	$l_total_user_s = $lang['Registered_users_total'];
}


//
// Start page proper
//
$sql = "SELECT c.cat_id, c.cat_title, c.cat_order
	FROM " . CATEGORIES_TABLE . " c 
	".(($userdata['user_level']!=ADMIN)? "WHERE c.cat_title<>\"global_announcement\"" :"" )."
	ORDER BY c.cat_order";
if( !($result = $db->sql_query($sql)) )
{
	message_die(GENERAL_ERROR, 'Could not query categories list', '', __LINE__, __FILE__, $sql);
}

while( $category_rows[] = $db->sql_fetchrow($result) );

if( ( $total_categories = count($category_rows) ) )
{
	//
	// Define appropriate SQL
	//
	switch(SQL_LAYER)
	{
		case 'postgresql':
			$sql = "SELECT f.*, p.post_time, p.post_username, u.username, u.user_id 
				FROM " . FORUMS_TABLE . " f, " . POSTS_TABLE . " p, " . USERS_TABLE . " u
				WHERE p.post_id = f.forum_last_post_id 
					AND u.user_id = p.poster_id  
					UNION (
						SELECT f.*, NULL, NULL, NULL, NULL
						FROM " . FORUMS_TABLE . " f
						WHERE NOT EXISTS (
							SELECT p.post_time
							FROM " . POSTS_TABLE . " p
							WHERE p.post_id = f.forum_last_post_id  
						)
					)
					ORDER BY cat_id, forum_order";
			break;

		case 'oracle':
			$sql = "SELECT f.*, p.post_time, p.post_username, u.username, u.user_id 
				FROM " . FORUMS_TABLE . " f, " . POSTS_TABLE . " p, " . USERS_TABLE . " u
				WHERE p.post_id = f.forum_last_post_id(+)
					AND u.user_id = p.poster_id(+)
				ORDER BY f.cat_id, f.forum_order";
			break;

		default:
			$sql = "SELECT f.*, p.post_time, p.post_username, u.username, u.user_id
				FROM (( " . FORUMS_TABLE . " f
				LEFT JOIN " . POSTS_TABLE . " p ON p.post_id = f.forum_last_post_id )
				LEFT JOIN " . USERS_TABLE . " u ON u.user_id = p.poster_id )
				ORDER BY f.cat_id, f.forum_order";
			break;
	}
	if ( !($result = $db->sql_query($sql)) )
	{
		message_die(GENERAL_ERROR, 'Could not query forums information', '', __LINE__, __FILE__, $sql);
	}

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

	if ( !($total_forums = count($forum_data)) )
	{
		message_die(GENERAL_MESSAGE, $lang['No_forums']);
	}

	//
	// Obtain a list of topic ids which contain
	// posts made since user last visited
	//
	if ( $userdata['session_logged_in'] )
	{
		$sql = "SELECT t.forum_id, t.topic_id, p.post_time 
			FROM " . TOPICS_TABLE . " t, " . POSTS_TABLE . " p 
			WHERE p.post_id = t.topic_last_post_id 
				AND p.post_time > " . $userdata['user_lastvisit'] . " 
				AND t.topic_moved_id = 0"; 
		if ( !($result = $db->sql_query($sql)) )
		{
			message_die(GENERAL_ERROR, 'Could not query new topic information', '', __LINE__, __FILE__, $sql);
		}

		$new_topic_data = array();
		while( $topic_data = $db->sql_fetchrow($result) )
		{
			$new_topic_data[$topic_data['forum_id']][$topic_data['topic_id']] = $topic_data['post_time'];
		}
	}

	//
	// Obtain list of moderators of each forum
	// First users, then groups ... broken into two queries
	//
	$sql = "SELECT aa.forum_id, u.user_id, u.username 
		FROM " . AUTH_ACCESS_TABLE . " aa, " . USER_GROUP_TABLE . " ug, " . GROUPS_TABLE . " g, " . USERS_TABLE . " u
		WHERE aa.auth_mod = " . TRUE . " 
			AND g.group_single_user = 1 
			AND ug.group_id = aa.group_id 
			AND g.group_id = aa.group_id 
			AND u.user_id = ug.user_id 
		GROUP BY u.user_id, u.username, aa.forum_id 
		ORDER BY aa.forum_id, u.user_id";
	if ( !($result = $db->sql_query($sql)) )
	{
		message_die(GENERAL_ERROR, 'Could not query forum moderator information', '', __LINE__, __FILE__, $sql);
	}

	$forum_moderators = array();
	while( $row = $db->sql_fetchrow($result) )
	{
		$forum_moderators[$row['forum_id']][] = '<a href="' . append_sid("profile.$phpEx?mode=viewprofile&amp;" . POST_USERS_URL . "=" . $row['user_id']) . '">' . $row['username'] . '</a>';
	}

	$sql = "SELECT aa.forum_id, g.group_id, g.group_name 
		FROM " . AUTH_ACCESS_TABLE . " aa, " . USER_GROUP_TABLE . " ug, " . GROUPS_TABLE . " g 
		WHERE aa.auth_mod = " . TRUE . " 
			AND g.group_single_user = 0 
			AND g.group_type <> " . GROUP_HIDDEN . "
			AND ug.group_id = aa.group_id 
			AND g.group_id = aa.group_id 
		GROUP BY g.group_id, g.group_name, aa.forum_id 
		ORDER BY aa.forum_id, g.group_id";
	if ( !($result = $db->sql_query($sql)) )
	{
		message_die(GENERAL_ERROR, 'Could not query forum moderator information', '', __LINE__, __FILE__, $sql);
	}

	while( $row = $db->sql_fetchrow($result) )
	{
		$forum_moderators[$row['forum_id']][] = '<a href="' . append_sid("groupcp.$phpEx?" . POST_GROUPS_URL . "=" . $row['group_id']) . '">' . $row['group_name'] . '</a>';
	}

	//
	// Find which forums are visible for this user
	//
	$is_auth_ary = array();
	$is_auth_ary = auth(AUTH_VIEW, AUTH_LIST_ALL, $userdata, $forum_data);

	// Birthday Mod, Show users with birthday 
	$sql = ($board_config['birthday_check_day']) ? "SELECT user_id, username, user_birthday,user_level FROM " . USERS_TABLE. " WHERE user_birthday!=999999 ORDER BY username" :"";
	if($result = $db->sql_query($sql)) 
	{ 
		if (!empty($result)) 
		{ 
			$time_now = time();
			$this_year = create_date('Y', $time_now, $board_config['board_timezone']);
			$date_today = create_date('Ymd', $time_now, $board_config['board_timezone']);
			$date_forward = create_date('Ymd', $time_now+($board_config['birthday_check_day']*86400), $board_config['board_timezone']);
			while ($birthdayrow = $db->sql_fetchrow($result))
			{ 
				$user_birthday2 = $this_year.($user_birthday = realdate("md",$birthdayrow['user_birthday'] )); 
	      			if ( $user_birthday2 < $date_today ) 
	      				$user_birthday2 += 1000;
				if ( $user_birthday2 > $date_today  && $user_birthday2 <= $date_forward ) 
				{ 
					// user are having birthday within the next days
					$user_age = ( $this_year.$user_birthday < $date_today ) ? $this_year - realdate ('Y',$birthdayrow['user_birthday'])+1 : $this_year- realdate ('Y',$birthdayrow['user_birthday']); 
					switch ($birthdayrow['user_level'])
					{
						case ADMIN :