Let's just say that the API loads. While a decent part of PunBB works, we've still got a LONG way to go, mainly with form validation and security. At this point, Punano is NOT secure as far as privileges and user levels go.
<?php
/***********************************************************************
Copyright (C) 2002-2005 Rickard Andersson (rickard@punbb.org)
This file is part of PunBB.
PunBB 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.
PunBB is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston,
MA 02111-1307 USA
************************************************************************/
//
// Cookie stuff!
//
function check_cookie(&$pun_user)
{
// Import Enano
global $db, $session, $paths, $template, $plugins; // Common objects
// Import PunBB
global $pun_db, $db_type, $pun_config, $cookie_name, $cookie_seed;
$now = time();
if(!$session->started)
$session->start();
if($session->user_logged_in)
{
$result = $pun_db->query(
'SELECT eu.*, u.*, eu.real_name AS realname, eu.user_level AS g_id, g.*, o.logged, o.idle
FROM '.$pun_db->prefix.'users AS u
LEFT JOIN '.table_prefix.'users AS eu
ON eu.user_id=u.id
INNER JOIN '.$pun_db->prefix.'groups AS g
ON u.group_id=g.g_id
LEFT JOIN '.$pun_db->prefix.'online AS o
ON o.user_id=u.id
WHERE u.id='.intval($session->user_id))
or error('Unable to fetch user information', __FILE__, __LINE__, $pun_db->error());
$pun_user = $pun_db->fetch_assoc($result);
// Set a default language if the user selected language no longer exists
if (!@file_exists(PUN_ROOT.'lang/'.$pun_user['language']))
$pun_user['language'] = $pun_config['o_default_lang'];
// Set a default style if the user selected style no longer exists
// if (!@file_exists(PUN_ROOT.'style/'.$pun_user['style'].'.css'))
// $pun_user['style'] = $pun_config['o_default_style'];
if (!$pun_user['disp_topics'])
$pun_user['disp_topics'] = $pun_config['o_disp_topics_default'];
if (!$pun_user['disp_posts'])
$pun_user['disp_posts'] = $pun_config['o_disp_posts_default'];
if ($pun_user['save_pass'] == '0')
$expire = 0;
// Define this if you want this visit to affect the online list and the users last visit data
if (!defined('PUN_QUIET_VISIT'))
{
// Update the online list
if (!$pun_user['logged'])
$pun_db->query('INSERT INTO '.$pun_db->prefix.'online (user_id, ident, logged) VALUES('.$pun_user['id'].', \''.$pun_db->escape($pun_user['username']).'\', '.$now.')') or error('Unable to insert into online list', __FILE__, __LINE__, $pun_db->error());
else
{
// Special case: We've timed out, but no other user has browsed the forums since we timed out
if ($pun_user['logged'] < ($now-$pun_config['o_timeout_visit']))
{
$pun_db->query('UPDATE '.$pun_db->prefix.'users SET last_visit='.$pun_user['logged'].' WHERE id='.$pun_user['id']) or error('Unable to update user visit data', __FILE__, __LINE__, $pun_db->error());
$pun_user['last_visit'] = $pun_user['logged'];
}
$idle_sql = ($pun_user['idle'] == '1') ? ', idle=0' : '';
$pun_db->query('UPDATE '.$pun_db->prefix.'online SET logged='.$now.$idle_sql.' WHERE user_id='.$pun_user['id']) or error('Unable to update online list', __FILE__, __LINE__, $pun_db->error());
}
}
$pun_user['is_guest'] = false;
}
else
{
set_default_user();
}
}
//
// Fill $pun_user with default values (for guests)
//
function set_default_user()
{
global $pun_db, $pun_user, $pun_config;
$remote_addr = get_remote_address();
// Fetch guest user
$result = $pun_db->query('SELECT u.*, g.*, o.logged FROM '.$pun_db->prefix.'users AS u INNER JOIN '.$pun_db->prefix.'groups AS g ON u.group_id=g.g_id LEFT JOIN '.$pun_db->prefix.'online AS o ON o.ident=\''.$remote_addr.'\' WHERE u.id=1') or error('Unable to fetch guest information', __FILE__, __LINE__, $pun_db->error());
if (!$pun_db->num_rows($result))
exit('Unable to fetch guest information. The table \''.$pun_db->prefix.'users\' must contain an entry with id = 1 that represents anonymous users.');
$pun_user = $pun_db->fetch_assoc($result);
// Update online list
if (!$pun_user['logged'])
$pun_db->query('INSERT INTO '.$pun_db->prefix.'online (user_id, ident, logged) VALUES(1, \''.$pun_db->escape($remote_addr).'\', '.time().')') or error('Unable to insert into online list', __FILE__, __LINE__, $pun_db->error());
else
$pun_db->query('UPDATE '.$pun_db->prefix.'online SET logged='.time().' WHERE ident=\''.$pun_db->escape($remote_addr).'\'') or error('Unable to update online list', __FILE__, __LINE__, $pun_db->error());
$pun_user['disp_topics'] = $pun_config['o_disp_topics_default'];
$pun_user['disp_posts'] = $pun_config['o_disp_posts_default'];
$pun_user['timezone'] = $pun_config['o_server_timezone'];
$pun_user['language'] = $pun_config['o_default_lang'];
$pun_user['style'] = $pun_config['o_default_style'];
$pun_user['is_guest'] = true;
}
//
// Set a cookie, PunBB style!
//
function pun_setcookie($user_id, $password_hash, $expire)
{
global $cookie_name, $cookie_path, $cookie_domain, $cookie_secure, $cookie_seed;
// Enable sending of a P3P header by removing // from the following line (try this if login is failing in IE6)
// @header('P3P: CP="CUR ADM"');
if (version_compare(PHP_VERSION, '5.2.0', '>='))
setcookie($cookie_name, serialize(array($user_id, md5($cookie_seed.$password_hash))), $expire, $cookie_path, $cookie_domain, $cookie_secure, true);
else
setcookie($cookie_name, serialize(array($user_id, md5($cookie_seed.$password_hash))), $expire, $cookie_path.'; HttpOnly', $cookie_domain, $cookie_secure);
}
//
// Check whether the connecting user is banned (and delete any expired bans while we're at it)
//
function check_bans()
{
global $pun_db, $pun_config, $lang_common, $pun_user, $pun_bans;
// Admins aren't affected
if ($pun_user['g_id'] == PUN_ADMIN || !$pun_bans)
return;
// Add a dot at the end of the IP address to prevent banned address 192.168.0.5 from matching e.g. 192.168.0.50
$user_ip = get_remote_address().'.';
$bans_altered = false;
foreach ($pun_bans as $cur_ban)
{
// Has this ban expired?
if ($cur_ban['expire'] != '' && $cur_ban['expire'] <= time())
{
$pun_db->query('DELETE FROM '.$pun_db->prefix.'bans WHERE id='.$cur_ban['id']) or error('Unable to delete expired ban', __FILE__, __LINE__, $pun_db->error());
$bans_altered = true;
continue;
}
if ($cur_ban['username'] != '' && !strcasecmp($pun_user['username'], $cur_ban['username']))
{
$pun_db->query('DELETE FROM '.$pun_db->prefix.'online WHERE ident=\''.$pun_db->escape($pun_user['username']).'\'') or error('Unable to delete from online list', __FILE__, __LINE__, $pun_db->error());
message($lang_common['Ban message'].' '.(($cur_ban['expire'] != '') ? $lang_common['Ban message 2'].' '.strtolower(format_time($cur_ban['expire'], true)).'. ' : '').(($cur_ban['message'] != '') ? $lang_common['Ban message 3'].'<br /><br /><strong>'.pun_htmlspecialchars($cur_ban['message']).'</strong><br /><br />' : '<br /><br />').$lang_common['Ban message 4'].' <a href="mailto:'.$pun_config['o_admin_email'].'">'.$pun_config['o_admin_email'].'</a>.', true);
}
if ($cur_ban['ip'] != '')
{
$cur_ban_ips = explode(' ', $cur_ban['ip']);
for ($i = 0; $i < count($cur_ban_ips); ++$i)
{
$cur_ban_ips[$i] = $cur_ban_ips[$i].'.';
if (substr($user_ip, 0, strlen($cur_ban_ips[$i])) == $cur_ban_ips[$i])
{
$pun_db->query('DELETE FROM '.$pun_db->prefix.'online WHERE ident=\''.$pun_db->escape($pun_user['username']).'\'') or error('Unable to delete from online list', __FILE__, __LINE__, $pun_db->error());
message($lang_common['Ban message'].' '.(($cur_ban['expire'] != '') ? $lang_common['Ban message 2'].' '.strtolower(format_time($cur_ban['expire'], true)).'. ' : '').(($cur_ban['message'] != '') ? $lang_common['Ban message 3'].'<br /><br /><strong>'.pun_htmlspecialchars($cur_ban['message']).'</strong><br /><br />' : '<br /><br />').$lang_common['Ban message 4'].' <a href="mailto:'.$pun_config['o_admin_email'].'">'.$pun_config['o_admin_email'].'</a>.', true);
}
}
}
}
// If we removed any expired bans during our run-through, we need to regenerate the bans cache
if ($bans_altered)
{
require_once PUN_ROOT.'include/cache.php';
generate_bans_cache();
}
}
//
// Update "Users online"
//
function update_users_online()
{
global $pun_db, $pun_config, $pun_user;
$now = time();
// Fetch all online list entries that are older than "o_timeout_online"
$result = $pun_db->query('SELECT * FROM '.$pun_db->prefix.'online WHERE logged<'.($now-$pun_config['o_timeout_online'])) or error('Unable to fetch old entries from online list', __FILE__, __LINE__, $pun_db->error());
while ($cur_user = $pun_db->fetch_assoc($result))
{
// If the entry is a guest, delete it
if ($cur_user['user_id'] == '1')
$pun_db->query('DELETE FROM '.$pun_db->prefix.'online WHERE ident=\''.$pun_db->escape($cur_user['ident']).'\'') or error('Unable to delete from online list', __FILE__, __LINE__, $pun_db->error());
else
{
// If the entry is older than "o_timeout_visit", update last_visit for the user in question, then delete him/her from the online list
if ($cur_user['logged'] < ($now-$pun_config['o_timeout_visit']))
{
$pun_db->query('UPDATE '.$pun_db->prefix.'users SET last_visit='.$cur_user['logged'].' WHERE id='.$cur_user['user_id']) or error('Unable to update user visit data', __FILE__, __LINE__, $pun_db->error());
$pun_db->query('DELETE FROM '.$pun_db->prefix.'online WHERE user_id='.$cur_user['user_id']) or error('Unable to delete from online list', __FILE__, __LINE__, $pun_db->error());
}
else if ($cur_user['idle'] == '0')
$pun_db->query('UPDATE '.$pun_db->prefix.'online SET idle=1 WHERE user_id='.$cur_user['user_id']) or error('Unable to insert into online list', __FILE__, __LINE__, $pun_db->error());
}
}
}
//
// Generate the "navigator" that appears at the top of every page
//
function generate_navlinks()
{
global $pun_config, $lang_common, $pun_user;
// Index and Userlist should always be displayed
$links[] = '<li id="navindex"><a href="index.php">'.$lang_common['Index'].'</a>';
$links[] = '<li id="navuserlist"><a href="userlist.php">'.$lang_common['User list'].'</a>';
if ($pun_config['o_rules'] == '1')
$links[] = '<li id="navrules"><a href="misc.php?action=rules">'.$lang_common['Rules'].'</a>';
if ($pun_user['is_guest'])
{
if ($pun_user['g_search'] == '1')
$links[] = '<li id="navsearch"><a href="search.php">'.$lang_common['Search'].'</a>';
$links[] = '<li id="navregister"><a href="register.php">'.$lang_common['Register'].'</a>';
// $links[] = '<li id="navlogin"><a href="login.php">'.$lang_common['Login'].'</a>';
$info = $lang_common['Not logged in'];
}
else
{
if ($pun_user['g_id'] < PUN_MOD)
{
if ($pun_user['g_search'] == '1')
$links[] = '<li id="navsearch"><a href="search.php">'.$lang_common['Search'].'</a>';
$links[] = '<li id="navprofile"><a href="profile.php?id='.$pun_user['id'].'">'.$lang_common['Profile'].'</a>';
// $links[] = '<li id="navlogout"><a href="login.php?action=out&id='.$pun_user['id'].'">'.$lang_common['Logout'].'</a>';
}
else
{
$links[] = '<li id="navsearch"><a href="search.php">'.$lang_common['Search'].'</a>';
$links[] = '<li id="navprofile"><a href="profile.php?id='.$pun_user['id'].'">'.$lang_common['Profile'].'</a>';
$links[] = '<li id="navadmin"><a href="admin_index.php">'.$lang_common['Admin'].'</a>';
// $links[] = '<li id="navlogout"><a href="login.php?action=out&id='.$pun_user['id'].'">'.$lang_common['Logout'].'</a>';
}
}
// Are there any additional navlinks we should insert into the array before imploding it?
if ($pun_config['o_additional_navlinks'] != '')
{
if (preg_match_all('#([0-9]+)\s*=\s*(.*?)\n#s', $pun_config['o_additional_navlinks']."\n", $extra_links))
{
// Insert any additional links into the $links array (at the correct index)
for ($i = 0; $i < count($extra_links[1]); ++$i)
array_splice($links, $extra_links[1][$i], 0, array('<li id="navextra'.($i + 1).'">'.$extra_links[2][$i]));
}
}
return '<ul>'."\n\t\t\t\t".implode($lang_common['Link separator'].'</li>'."\n\t\t\t\t", $links).'</li>'."\n\t\t\t".'</ul>';
}
//
// Display the profile navigation menu
//
function generate_profile_menu($page = '')
{
global $lang_profile, $pun_config, $pun_user, $id, $lang_common;
?>
<div id="profile" class="block2col">
<div class="blockmenu">
<h2><span><?php echo $lang_profile['Profile menu'] ?></span></h2>
<div class="box">
<div class="inbox">
<ul>
<li<?php if ($page == 'essentials') echo ' class="isactive"'; ?>><a href="profile.php?section=essentials&id=<?php echo $id ?>"><?php echo $lang_profile['Section essentials'] ?></a></li>
<li<?php if ($page == 'personal') echo ' class="isactive"'; ?>><a href="profile.php?section=personal&id=<?php echo $id ?>"><?php echo $lang_profile['Section personal'] ?></a></li>
<li<?php if ($page == 'messaging') echo ' class="isactive"'; ?>><a href="profile.php?section=messaging&id=<?php echo $id ?>"><?php echo $lang_profile['Section messaging'] ?></a></li>
<li<?php if ($page == 'personality') echo ' class="isactive"'; ?>><a href="profile.php?section=personality&id=<?php echo $id ?>"><?php echo $lang_profile['Section personality'] ?></a></li>
<li<?php if ($page == 'display') echo ' class="isactive"'; ?>><a href="profile.php?section=display&id=<?php echo $id ?>"><?php echo $lang_profile['Section display'] ?></a></li>
<li<?php if ($page == 'privacy') echo ' class="isactive"'; ?>><a href="profile.php?section=privacy&id=<?php echo $id ?>"><?php echo $lang_profile['Section privacy'] ?></a></li>
<?php if ($pun_user['g_id'] == PUN_ADMIN || ($pun_user['g_id'] == PUN_MOD && $pun_config['p_mod_ban_users'] == '1')): ?> <li<?php if ($page == 'admin') echo ' class="isactive"'; ?>><a href="profile.php?section=admin&id=<?php echo $id ?>"><?php echo $lang_profile['Section admin'] ?></a></li>
<?php endif; ?> </ul>
</div>
</div>
</div>
<?php
}
//
// Update posts, topics, last_post, last_post_id and last_poster for a forum (redirect topics are not included)
//
function update_forum($forum_id)
{
global $pun_db;
$result = $pun_db->query('SELECT COUNT(id), SUM(num_replies) FROM '.$pun_db->prefix.'topics WHERE moved_to IS NULL AND forum_id='.$forum_id) or error('Unable to fetch forum topic count', __FILE__, __LINE__, $pun_db->error());
list($num_topics, $num_posts) = $pun_db->fetch_row($result);
$num_posts = $num_posts + $num_topics; // $num_posts is only the sum of all replies (we have to add the topic posts)
$result = $pun_db->query('SELECT last_post, last_post_id, last_poster FROM '.$pun_db->prefix.'topics WHERE forum_id='.$forum_id.' AND moved_to IS NULL ORDER BY last_post DESC LIMIT 1') or error('Unable to fetch last_post/last_post_id/last_poster', __FILE__, __LINE__, $pun_db->error());
if ($pun_db->num_rows($result)) // There are topics in the forum
{
list($last_post, $last_post_id, $last_poster) = $pun_db->fetch_row($result);
$pun_db->query('UPDATE '.$pun_db->prefix.'forums SET num_topics='.$num_topics.', num_posts='.$num_posts.', last_post='.$last_post.', last_post_id='.$last_post_id.', last_poster=\''.$pun_db->escape($last_poster).'\' WHERE id='.$forum_id) or error('Unable to update last_post/last_post_id/last_poster', __FILE__, __LINE__, $pun_db->error());
}
else // There are no topics
$pun_db->query('UPDATE '.$pun_db->prefix.'forums SET num_topics=0, num_posts=0, last_post=NULL, last_post_id=NULL, last_poster=NULL WHERE id='.$forum_id) or error('Unable to update last_post/last_post_id/last_poster', __FILE__, __LINE__, $pun_db->error());
}
//
// Delete a topic and all of it's posts
//
function delete_topic($topic_id)
{
global $pun_db;
// Delete the topic and any redirect topics
$pun_db->query('DELETE FROM '.$pun_db->prefix.'topics WHERE id='.$topic_id.' OR moved_to='.$topic_id) or error('Unable to delete topic', __FILE__, __LINE__, $pun_db->error());
// Create a list of the post ID's in this topic
$post_ids = '';
$result = $pun_db->query('SELECT id FROM '.$pun_db->prefix.'posts WHERE topic_id='.$topic_id) or error('Unable to fetch posts', __FILE__, __LINE__, $pun_db->error());
while ($row = $pun_db->fetch_row($result))
$post_ids .= ($post_ids != '') ? ','.$row[0] : $row[0];
// Make sure we have a list of post ID's
if ($post_ids != '')
{
strip_search_index($post_ids);
// Delete posts in topic
$pun_db->query('DELETE FROM '.$pun_db->prefix.'posts WHERE topic_id='.$topic_id) or error('Unable to delete posts', __FILE__, __LINE__, $pun_db->error());
}
// Delete any subscriptions for this topic
$pun_db->query('DELETE FROM '.$pun_db->prefix.'subscriptions WHERE topic_id='.$topic_id) or error('Unable to delete subscriptions', __FILE__, __LINE__, $pun_db->error());
}
//
// Delete a single post
//
function delete_post($post_id, $topic_id)
{
global $pun_db;
$result = $pun_db->query('SELECT id, poster, posted FROM '.$pun_db->prefix.'posts WHERE topic_id='.$topic_id.' ORDER BY id DESC LIMIT 2') or error('Unable to fetch post info', __FILE__, __LINE__, $pun_db->error());
list($last_id, ,) = $pun_db->fetch_row($result);
list($second_last_id, $second_poster, $second_posted) = $pun_db->fetch_row($result);
// Delete the post
$pun_db->query('DELETE FROM '.$pun_db->prefix.'posts WHERE id='.$post_id) or error('Unable to delete post', __FILE__, __LINE__, $pun_db->error());
strip_search_index($post_id);
// Count number of replies in the topic
$result = $pun_db->query('SELECT COUNT(id) FROM '.$pun_db->prefix.'posts WHERE topic_id='.$topic_id) or error('Unable to fetch post count for topic', __FILE__, __LINE__, $pun_db->error());
$num_replies = $pun_db->result($result, 0) - 1;
// If the message we deleted is the most recent in the topic (at the end of the topic)
if ($last_id == $post_id)
{
// If there is a $second_last_id there is more than 1 reply to the topic
if (!empty($second_last_id))
$pun_db->query('UPDATE '.$pun_db->prefix.'topics SET last_post='.$second_posted.', last_post_id='.$second_last_id.', last_poster=\''.$pun_db->escape($second_poster).'\', num_replies='.$num_replies.' WHERE id='.$topic_id) or error('Unable to update topic', __FILE__, __LINE__, $pun_db->error());
else
// We deleted the only reply, so now last_post/last_post_id/last_poster is posted/id/poster from the topic itself
$pun_db->query('UPDATE '.$pun_db->prefix.'topics SET last_post=posted, last_post_id=id, last_poster=poster, num_replies='.$num_replies.' WHERE id='.$topic_id) or error('Unable to update topic', __FILE__, __LINE__, $pun_db->error());
}
else
// Otherwise we just decrement the reply counter
$pun_db->query('UPDATE '.$pun_db->prefix.'topics SET num_replies='.$num_replies.' WHERE id='.$topic_id) or error('Unable to update topic', __FILE__, __LINE__, $pun_db->error());
}
//
// Replace censored words in $text
//
function censor_words($text)
{
global $pun_db;
static $search_for, $replace_with;
// If not already built in a previous call, build an array of censor words and their replacement text
if (!isset($search_for))
{
$result = $pun_db->query('SELECT search_for, replace_with FROM '.$pun_db->prefix.'censoring') or error('Unable to fetch censor word list', __FILE__, __LINE__, $pun_db->error());
$num_words = $pun_db->num_rows($result);
$search_for = array();
for ($i = 0; $i < $num_words; ++$i)
{
list($search_for[$i], $replace_with[$i]) = $pun_db->fetch_row($result);
$search_for[$i] = '/\b('.str_replace('\*', '\w*?', preg_quote($search_for[$i], '/')).')\b/i';
}
}
if (!empty($search_for))
$text = substr(preg_replace($search_for, $replace_with, ' '.$text.' '), 1, -1);
return $text;
}
//
// Determines the correct title for $user
// $user must contain the elements 'username', 'title', 'posts', 'g_id' and 'g_user_title'
//
function get_title($user)
{
global $pun_db, $pun_config, $pun_bans, $lang_common;
static $ban_list, $pun_ranks;
// If not already built in a previous call, build an array of lowercase banned usernames
if (empty($ban_list))
{
$ban_list = array();
foreach ($pun_bans as $cur_ban)
$ban_list[] = strtolower($cur_ban['username']);
}
// If not already loaded in a previous call, load the cached ranks
if ($pun_config['o_ranks'] == '1' && empty($pun_ranks))
{
@include PUN_ROOT.'cache/cache_ranks.php';
if (!defined('PUN_RANKS_LOADED'))
{
require_once PUN_ROOT.'include/cache.php';
generate_ranks_cache();
require PUN_ROOT.'cache/cache_ranks.php';
}
}
// If the user has a custom title
if ($user['title'] != '')
$user_title = pun_htmlspecialchars($user['title']);
// If the user is banned
else if (in_array(strtolower($user['username']), $ban_list))
$user_title = $lang_common['Banned'];
// If the user group has a default user title
else if ($user['g_user_title'] != '')
$user_title = pun_htmlspecialchars($user['g_user_title']);
// If the user is a guest
else if ($user['g_id'] == PUN_GUEST)
$user_title = $lang_common['Guest'];
else
{
// Are there any ranks?
if ($pun_config['o_ranks'] == '1' && !empty($pun_ranks))
{
@reset($pun_ranks);
while (list(, $cur_rank) = @each($pun_ranks))
{
if (intval($user['num_posts']) >= $cur_rank['min_posts'])
$user_title = pun_htmlspecialchars($cur_rank['rank']);
}
}
// If the user didn't "reach" any rank (or if ranks are disabled), we assign the default
if (!isset($user_title))
$user_title = $lang_common['Member'];
}
return $user_title;
}
//
// Generate a string with numbered links (for multipage scripts)
//
function pun_paginate($num_pages, $cur_page, $link_to)
{
$pages = array();
$link_to_all = false;
// If $cur_page == -1, we link to all pages (used in viewforum.php)
if ($cur_page == -1)
{
$cur_page = 1;
$link_to_all = true;
}
if ($num_pages <= 1)
$pages = array('<strong>1</strong>');
else
{
if ($cur_page > 3)
{
$pages[] = '<a href="'.$link_to.'&p=1">1</a>';
if ($cur_page != 4)
$pages[] = '…';
}
// Don't ask me how the following works. It just does, OK? :-)
for ($current = $cur_page - 2, $stop = $cur_page + 3; $current < $stop; ++$current)
{
if ($current < 1 || $current > $num_pages)
continue;
else if ($current != $cur_page || $link_to_all)
$pages[] = '<a href="'.$link_to.'&p='.$current.'">'.$current.'</a>';
else
$pages[] = '<strong>'.$current.'</strong>';
}
if ($cur_page <= ($num_pages-3))
{
if ($cur_page != ($num_pages-3))
$pages[] = '…';
$pages[] = '<a href="'.$link_to.'&p='.$num_pages.'">'.$num_pages.'</a>';
}
}
return implode(' ', $pages);
}
//
// Display a message
//
function message($message, $no_back_link = false)
{
global $pun_db, $lang_common, $pun_config, $pun_start, $tpl_main;
if (!defined('PUN_HEADER'))
{
global $pun_user;
$page_title = pun_htmlspecialchars($pun_config['o_board_title']).' / '.$lang_common['Info'];
require PUN_ROOT.'header.php';
}
?>
<div id="msg" class="block">
<h2><span><?php echo $lang_common['Info'] ?></span></h2>
<div class="box">
<div class="inbox">
<p><?php echo $message ?></p>
<?php if (!$no_back_link): ?> <p><a href="javascript: history.go(-1)"><?php echo $lang_common['Go back'] ?></a></p>
<?php endif; ?> </div>
</div>
</div>
<?php
require PUN_ROOT.'footer.php';
}
//
// Format a time string according to $time_format and timezones
//
function format_time($timestamp, $date_only = false)
{
global $pun_config, $lang_common, $pun_user;
if ($timestamp == '')
return $lang_common['Never'];
$diff = ($pun_user['timezone'] - $pun_config['o_server_timezone']) * 3600;
$timestamp += $diff;
$now = time();
$date = date($pun_config['o_date_format'], $timestamp);
$today = date($pun_config['o_date_format'], $now+$diff);
$yesterday = date($pun_config['o_date_format'], $now+$diff-86400);
if ($date == $today)
$date = $lang_common['Today'];
else if ($date == $yesterday)
$date = $lang_common['Yesterday'];
if (!$date_only)
return $date.' '.date($pun_config['o_time_format'], $timestamp);
else
return $date;
}
//
// If we are running pre PHP 4.3.0, we add our own implementation of file_get_contents
//
if (!function_exists('file_get_contents'))
{
function file_get_contents($filename, $use_include_path = 0)
{
$data = '';
if ($fh = fopen($filename, 'rb', $use_include_path))
{
$data = fread($fh, filesize($filename));
fclose($fh);
}
return $data;
}
}
//
// Make sure that HTTP_REFERER matches $pun_config['o_base_url']/$script
//
function confirm_referrer($script)
{
global $pun_config, $lang_common;
if (!preg_match('#^'.preg_quote(str_replace('www.', '', $pun_config['o_base_url']).'/'.$script, '#').'#i', str_replace('www.', '', (isset($_SERVER['HTTP_REFERER']) ? $_SERVER['HTTP_REFERER'] : ''))))
message($lang_common['Bad referrer']);
}
//
// Generate a random password of length $len
//
function random_pass($len)
{
$chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
$password = '';
for ($i = 0; $i < $len; ++$i)
$password .= substr($chars, (mt_rand() % strlen($chars)), 1);
return $password;
}
//
// Compute a hash of $str
// Uses sha1() if available. If not, SHA1 through mhash() if available. If not, fall back on md5().
//
function pun_hash($str)
{
if (function_exists('sha1')) // Only in PHP 4.3.0+
return sha1($str);
else if (function_exists('mhash')) // Only if Mhash library is loaded
return bin2hex(mhash(MHASH_SHA1, $str));
else
return md5($str);
}
//
// Try to determine the correct remote IP-address
//
function get_remote_address()
{
return $_SERVER['REMOTE_ADDR'];
}
//
// Equivalent to htmlspecialchars(), but allows &#[0-9]+ (for unicode)
//
function pun_htmlspecialchars($str)
{
$str = preg_replace('/&(?!#[0-9]+;)/s', '&', $str);
$str = str_replace(array('<', '>', '"'), array('<', '>', '"'), $str);
return $str;
}
//
// Equivalent to strlen(), but counts &#[0-9]+ as one character (for unicode)
//
function pun_strlen($str)
{
return strlen(preg_replace('/&#([0-9]+);/', '!', $str));
}
//
// Convert \r\n and \r to \n
//
function pun_linebreaks($str)
{
return str_replace("\r", "\n", str_replace("\r\n", "\n", $str));
}
//
// A more aggressive version of trim()
//
function pun_trim($str)
{
global $lang_common;
if (strpos($lang_common['lang_encoding'], '8859') !== false)
{
$fishy_chars = array(chr(0x81), chr(0x8D), chr(0x8F), chr(0x90), chr(0x9D), chr(0xA0));
return trim(str_replace($fishy_chars, ' ', $str));
}
else
return trim($str);
}
//
// Display a message when board is in maintenance mode
//
function maintenance_message()
{
global $pun_db, $pun_config, $lang_common, $pun_user;
// Deal with newlines, tabs and multiple spaces
$pattern = array("\t", ' ', ' ');
$replace = array(' ', ' ', ' ');
$message = str_replace($pattern, $replace, $pun_config['o_maintenance_message']);
// Load the maintenance template
$tpl_maint = trim(file_get_contents(PUN_ROOT.'include/template/maintenance.tpl'));
// START SUBST - <pun_include "*">
while (preg_match('#<pun_include "([^/\\\\]*?)\.(php[45]?|inc|html?|txt)">#', $tpl_maint, $cur_include))
{
if (!file_exists(PUN_ROOT.'include/user/'.$cur_include[1].'.'.$cur_include[2]))
error('Unable to process user include '.htmlspecialchars($cur_include[0]).' from template maintenance.tpl. There is no such file in folder /include/user/');
ob_start();
include PUN_ROOT.'include/user/'.$cur_include[1].'.'.$cur_include[2];
$tpl_temp = ob_get_contents();
$tpl_maint = str_replace($cur_include[0], $tpl_temp, $tpl_maint);
ob_end_clean();
}
// END SUBST - <pun_include "*">
// START SUBST - <pun_content_direction>
$tpl_maint = str_replace('<pun_content_direction>', $lang_common['lang_direction'], $tpl_maint);
// END SUBST - <pun_content_direction>
// START SUBST - <pun_char_encoding>
$tpl_maint = str_replace('<pun_char_encoding>', $lang_common['lang_encoding'], $tpl_maint);
// END SUBST - <pun_char_encoding>
// START SUBST - <pun_head>
ob_start();
?>
<title><?php echo pun_htmlspecialchars($pun_config['o_board_title']).' / '.$lang_common['Maintenance'] ?></title>
<link rel="stylesheet" type="text/css" href="style/<?php echo $pun_user['style'].'.css' ?>" />
<?php
$tpl_temp = trim(ob_get_contents());
$tpl_maint = str_replace('<pun_head>', $tpl_temp, $tpl_maint);
ob_end_clean();
// END SUBST - <pun_head>
// START SUBST - <pun_maint_heading>
$tpl_maint = str_replace('<pun_maint_heading>', $lang_common['Maintenance'], $tpl_maint);
// END SUBST - <pun_maint_heading>
// START SUBST - <pun_maint_message>
$tpl_maint = str_replace('<pun_maint_message>', $message, $tpl_maint);
// END SUBST - <pun_maint_message>
// End the transaction
$pun_db->end_transaction();
// Close the db connection (and free up any result data)
$pun_db->close();
exit($tpl_maint);
}
//
// Display $message and redirect user to $destination_url
//
function pun_redirect($destination_url, $message)
{
global $pun_db, $pun_config, $lang_common, $pun_user;
if ($destination_url == '')
$destination_url = 'index.php';
// If the delay is 0 seconds, we might as well skip the redirect all together
if ($pun_config['o_redirect_delay'] == '0')
header('Location: '.str_replace('&', '&', $destination_url));
// Load the redirect template
$tpl_redir = trim(file_get_contents(PUN_ROOT.'include/template/redirect.tpl'));
// START SUBST - <pun_include "*">
while (preg_match('#<pun_include "([^/\\\\]*?)\.(php[45]?|inc|html?|txt)">#', $tpl_redir, $cur_include))
{
if (!file_exists(PUN_ROOT.'include/user/'.$cur_include[1].'.'.$cur_include[2]))
error('Unable to process user include '.htmlspecialchars($cur_include[0]).' from template redirect.tpl. There is no such file in folder /include/user/');
ob_start();
include PUN_ROOT.'include/user/'.$cur_include[1].'.'.$cur_include[2];
$tpl_temp = ob_get_contents();
$tpl_redir = str_replace($cur_include[0], $tpl_temp, $tpl_redir);
ob_end_clean();
}
// END SUBST - <pun_include "*">
// START SUBST - <pun_content_direction>
$tpl_redir = str_replace('<pun_content_direction>', $lang_common['lang_direction'], $tpl_redir);
// END SUBST - <pun_content_direction>
// START SUBST - <pun_char_encoding>
$tpl_redir = str_replace('<pun_char_encoding>', $lang_common['lang_encoding'], $tpl_redir);
// END SUBST - <pun_char_encoding>
// START SUBST - <pun_head>
ob_start();
?>
<meta http-equiv="refresh" content="<?php echo $pun_config['o_redirect_delay'] ?>;URL=<?php echo str_replace(array('<', '>', '"'), array('<', '>', '"'), $destination_url) ?>" />
<title><?php echo pun_htmlspecialchars($pun_config['o_board_title']).' / '.$lang_common['Redirecting'] ?></title>
<link rel="stylesheet" type="text/css" href="<?php echo scriptPath; ?>/punbb/style/<?php echo $pun_user['style'].'.css' ?>" />
<?php
$tpl_temp = trim(ob_get_contents());
$tpl_redir = str_replace('<pun_head>', $tpl_temp, $tpl_redir);
ob_end_clean();
// END SUBST - <pun_head>
// START SUBST - <pun_redir_heading>
$tpl_redir = str_replace('<pun_redir_heading>', $lang_common['Redirecting'], $tpl_redir);
// END SUBST - <pun_redir_heading>
// START SUBST - <pun_redir_text>
$tpl_temp = $message.'<br /><br />'.'<a href="'.$destination_url.'">'.$lang_common['Click redirect'].'</a>';
$tpl_redir = str_replace('<pun_redir_text>', $tpl_temp, $tpl_redir);
// END SUBST - <pun_redir_text>
// START SUBST - <pun_footer>
ob_start();
// End the transaction
$pun_db->end_transaction();
// Display executed queries (if enabled)
if (defined('PUN_SHOW_QUERIES'))
display_saved_queries();
$tpl_temp = trim(ob_get_contents());
$tpl_redir = str_replace('<pun_footer>', $tpl_temp, $tpl_redir);
ob_end_clean();
// END SUBST - <pun_footer>
// Close the db connection (and free up any result data)
$pun_db->close();
exit($tpl_redir);
}
//
// Display a simple error message
//
function error($message, $file, $line, $db_error = false)
{
global $pun_config;
// Set a default title if the script failed before $pun_config could be populated
if (empty($pun_config))
$pun_config['o_board_title'] = 'PunBB';
// Empty output buffer and stop buffering
@ob_end_clean();
// "Restart" output buffering if we are using ob_gzhandler (since the gzip header is already sent)
if (!empty($pun_config['o_gzip']) && extension_loaded('zlib') && (strpos($_SERVER['HTTP_ACCEPT_ENCODING'], 'gzip') !== false || strpos($_SERVER['HTTP_ACCEPT_ENCODING'], 'deflate') !== false))
ob_start('ob_gzhandler');
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" dir="ltr">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<title><?php echo pun_htmlspecialchars($pun_config['o_board_title']) ?> / Error</title>
<style type="text/css">
<!--
BODY {MARGIN: 10% 20% auto 20%; font: 10px Verdana, Arial, Helvetica, sans-serif}
#errorbox {BORDER: 1px solid #B84623}
H2 {MARGIN: 0; COLOR: #FFFFFF; BACKGROUND-COLOR: #B84623; FONT-SIZE: 1.1em; PADDING: 5px 4px}
#errorbox DIV {PADDING: 6px 5px; BACKGROUND-COLOR: #F1F1F1}
-->
</style>
</head>
<body>
<div id="errorbox">
<h2>An error was encountered</h2>
<div>
<?php
if (defined('PUN_DEBUG'))
{
echo "\t\t".'<strong>File:</strong> '.$file.'<br />'."\n\t\t".'<strong>Line:</strong> '.$line.'<br /><br />'."\n\t\t".'<strong>PunBB reported</strong>: '.$message."\n";
if ($db_error)
{
echo "\t\t".'<br /><br /><strong>Database reported:</strong> '.pun_htmlspecialchars($db_error['error_msg']).(($db_error['error_no']) ? ' (Errno: '.$db_error['error_no'].')' : '')."\n";
if ($db_error['error_sql'] != '')
echo "\t\t".'<br /><br /><strong>Failed query:</strong> '.pun_htmlspecialchars($db_error['error_sql'])."\n";
}
}
else
echo "\t\t".'Error: <strong>'.$message.'.</strong>'."\n";
?>
</div>
</div>
</body>
</html>
<?php
// If a database connection was established (before this error) we close it
if ($db_error)
$GLOBALS['db']->close();
exit;
}
// DEBUG FUNCTIONS BELOW
//
// Display executed queries (if enabled)
//
function display_saved_queries()
{
global $pun_db, $lang_common;
// Get the queries so that we can print them out
$saved_queries = $pun_db->get_saved_queries();
?>
<div id="debug" class="blocktable">
<h2><span><?php echo $lang_common['Debug table'] ?></span></h2>
<div class="box">
<div class="inbox">
<table cellspacing="0">
<thead>
<tr>
<th class="tcl" scope="col">Time (s)</th>
<th class="tcr" scope="col">Query</th>
</tr>
</thead>
<tbody>
<?php
$query_time_total = 0.0;
while (list(, $cur_query) = @each($saved_queries))
{
$query_time_total += $cur_query[1];
?>
<tr>
<td class="tcl"><?php echo ($cur_query[1] != 0) ? $cur_query[1] : ' ' ?></td>
<td class="tcr"><?php echo pun_htmlspecialchars($cur_query[0]) ?></td>
</tr>
<?php
}
?>
<tr>
<td class="tcl" colspan="2">Total query time: <?php echo $query_time_total ?> s</td>
</tr>
</tbody>
</table>
</div>
</div>
</div>
<?php
}
//
// Unset any variables instantiated as a result of register_globals being enabled
//
function unregister_globals()
{
$register_globals = @ini_get('register_globals');
if ($register_globals === "" || $register_globals === "0" || strtolower($register_globals === "off"))
return;
// Prevent script.php?GLOBALS[foo]=bar
if (isset($_REQUEST['GLOBALS']) || isset($_FILES['GLOBALS']))
exit('I\'ll have a steak sandwich and... a steak sandwich.');
// Variables that shouldn't be unset
$no_unset = array('GLOBALS', '_GET', '_POST', '_COOKIE', '_REQUEST', '_SERVER', '_ENV', '_FILES');
// Remove elements in $GLOBALS that are present in any of the superglobals
$input = array_merge($_GET, $_POST, $_COOKIE, $_SERVER, $_ENV, $_FILES, isset($_SESSION) && is_array($_SESSION) ? $_SESSION : array());
foreach ($input as $k => $v)
{
if (!in_array($k, $no_unset) && isset($GLOBALS[$k]))
{
unset($GLOBALS[$k]);
unset($GLOBALS[$k]); // Double unset to circumvent the zend_hash_del_key_or_index hole in PHP <4.4.3 and <5.1.4
}
}
}
//
// Dump contents of variable(s)
//
function dump()
{
echo '<pre>';
$num_args = func_num_args();
for ($i = 0; $i < $num_args; ++$i)
{
print_r(func_get_arg($i));
echo "\n\n";
}
echo '</pre>';
exit;
}