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<?php
/**
* Copyright (C) 2008-2012 FluxBB
* based on code by Rickard Andersson copyright (C) 2002-2008 PunBB
* License: http://www.gnu.org/licenses/gpl.html GPL version 2 or higher
*/
// Make sure no one attempts to run this script "directly"
if (!defined('PUN'))
exit;
//
// Generate the config cache PHP script
//
function generate_config_cache()
{
global $db;
// Get the forum config from the DB
$result = $db->query('SELECT * FROM '.$db->prefix.'config', true) or error('Unable to fetch forum config', __FILE__, __LINE__, $db->error());
$output = array();
while ($cur_config_item = $db->fetch_row($result))
$output[$cur_config_item[0]] = $cur_config_item[1];
// Output config as PHP code
$fh = @fopen(FORUM_CACHE_DIR.'cache_config.php', 'wb');
if (!$fh)
error('Unable to write configuration cache file to cache directory. Please make sure PHP has write access to the directory \''.pun_htmlspecialchars(FORUM_CACHE_DIR).'\'', __FILE__, __LINE__);
fwrite($fh, '<?php'."\n\n".'define(\'PUN_CONFIG_LOADED\', 1);'."\n\n".'$pun_config = '.var_export($output, true).';'."\n\n".'?>');
fclose($fh);
if (function_exists('apc_delete_file'))
@apc_delete_file(FORUM_CACHE_DIR.'cache_config.php');
}
//
// Generate the bans cache PHP script
//
function generate_bans_cache()
{
global $db;
// Get the ban list from the DB
$result = $db->query('SELECT * FROM '.$db->prefix.'bans', true) or error('Unable to fetch ban list', __FILE__, __LINE__, $db->error());
$output = array();
while ($cur_ban = $db->fetch_assoc($result))
$output[] = $cur_ban;
// Output ban list as PHP code
$fh = @fopen(FORUM_CACHE_DIR.'cache_bans.php', 'wb');
if (!$fh)
error('Unable to write bans cache file to cache directory. Please make sure PHP has write access to the directory \''.pun_htmlspecialchars(FORUM_CACHE_DIR).'\'', __FILE__, __LINE__);
fwrite($fh, '<?php'."\n\n".'define(\'PUN_BANS_LOADED\', 1);'."\n\n".'$pun_bans = '.var_export($output, true).';'."\n\n".'?>');
fclose($fh);
if (function_exists('apc_delete_file'))
@apc_delete_file(FORUM_CACHE_DIR.'cache_bans.php');
}
//
// Generate quick jump cache PHP scripts
//
function generate_quickjump_cache($group_id = false)
{
global $db, $lang_common, $pun_user;
$groups = array();
// If a group_id was supplied, we generate the quick jump cache for that group only
if ($group_id !== false)
{
// Is this group even allowed to read forums?
$result = $db->query('SELECT g_read_board FROM '.$db->prefix.'groups WHERE g_id='.$group_id) or error('Unable to fetch user group read permission', __FILE__, __LINE__, $db->error());
$read_board = $db->result($result);
$groups[$group_id] = $read_board;
}
else
{
// A group_id was not supplied, so we generate the quick jump cache for all groups
$result = $db->query('SELECT g_id, g_read_board FROM '.$db->prefix.'groups') or error('Unable to fetch user group list', __FILE__, __LINE__, $db->error());
$num_groups = $db->num_rows($result);
while ($row = $db->fetch_row($result))
$groups[$row[0]] = $row[1];
}
// Loop through the groups in $groups and output the cache for each of them
foreach ($groups as $group_id => $read_board)
{
// Output quick jump as PHP code
$fh = @fopen(FORUM_CACHE_DIR.'cache_quickjump_'.$group_id.'.php', 'wb');
if (!$fh)
error('Unable to write quick jump cache file to cache directory. Please make sure PHP has write access to the directory \''.pun_htmlspecialchars(FORUM_CACHE_DIR).'\'', __FILE__, __LINE__);
$output = '<?php'."\n\n".'if (!defined(\'PUN\')) exit;'."\n".'define(\'PUN_QJ_LOADED\', 1);'."\n".'$forum_id = isset($forum_id) ? $forum_id : 0;'."\n\n".'?>';
if ($read_board == '1')
{
$result = $db->query('SELECT c.id AS cid, c.cat_name, f.id AS fid, f.forum_name, f.redirect_url FROM '.$db->prefix.'categories AS c INNER JOIN '.$db->prefix.'forums AS f ON c.id=f.cat_id LEFT JOIN '.$db->prefix.'forum_perms AS fp ON (fp.forum_id=f.id AND fp.group_id='.$group_id.') WHERE fp.read_forum IS NULL OR fp.read_forum=1 ORDER BY c.disp_position, c.id, f.disp_position') or error('Unable to fetch category/forum list', __FILE__, __LINE__, $db->error());
if ($db->num_rows($result))
{
$output .= "\t\t\t\t".'<form id="qjump" method="get" action="viewforum.php">'."\n\t\t\t\t\t".'<div><label><span><?php echo $lang_common[\'Jump to\'] ?>'.'<br /></span>'."\n\t\t\t\t\t".'<select name="id" onchange="window.location=(\'viewforum.php?id=\'+this.options[this.selectedIndex].value)">'."\n";
$cur_category = 0;
while ($cur_forum = $db->fetch_assoc($result))
{
if ($cur_forum['cid'] != $cur_category) // A new category since last iteration?
{
if ($cur_category)
$output .= "\t\t\t\t\t\t".'</optgroup>'."\n";
$output .= "\t\t\t\t\t\t".'<optgroup label="'.pun_htmlspecialchars($cur_forum['cat_name']).'">'."\n";
$cur_category = $cur_forum['cid'];
}
$redirect_tag = ($cur_forum['redirect_url'] != '') ? ' &gt;&gt;&gt;' : '';
$output .= "\t\t\t\t\t\t\t".'<option value="'.$cur_forum['fid'].'"<?php echo ($forum_id == '.$cur_forum['fid'].') ? \' selected="selected"\' : \'\' ?>>'.pun_htmlspecialchars($cur_forum['forum_name']).$redirect_tag.'</option>'."\n";
}
$output .= "\t\t\t\t\t\t".'</optgroup>'."\n\t\t\t\t\t".'</select>'."\n\t\t\t\t\t".'<input type="submit" value="<?php echo $lang_common[\'Go\'] ?>" accesskey="g" />'."\n\t\t\t\t\t".'</label></div>'."\n\t\t\t\t".'</form>'."\n";
}
}
fwrite($fh, $output);
fclose($fh);
if (function_exists('apc_delete_file'))
@apc_delete_file(FORUM_CACHE_DIR.'cache_quickjump_'.$group_id.'.php');
}
}
//
// Generate the censoring cache PHP script
//
function generate_censoring_cache()
{
global $db;
$result = $db->query('SELECT search_for, replace_with FROM '.$db->prefix.'censoring') or error('Unable to fetch censoring list', __FILE__, __LINE__, $db->error());
$num_words = $db->num_rows($result);
$search_for = $replace_with = array();
for ($i = 0; $i < $num_words; $i++)
{
list($search_for[$i], $replace_with[$i]) = $db->fetch_row($result);
$search_for[$i] = '%(?<=[^\p{L}\p{N}])('.str_replace('\*', '[\p{L}\p{N}]*?', preg_quote($search_for[$i], '%')).')(?=[^\p{L}\p{N}])%iu';
}
// Output censored words as PHP code
$fh = @fopen(FORUM_CACHE_DIR.'cache_censoring.php', 'wb');
if (!$fh)
error('Unable to write censoring cache file to cache directory. Please make sure PHP has write access to the directory \''.pun_htmlspecialchars(FORUM_CACHE_DIR).'\'', __FILE__, __LINE__);
fwrite($fh, '<?php'."\n\n".'define(\'PUN_CENSOR_LOADED\', 1);'."\n\n".'$search_for = '.var_export($search_for, true).';'."\n\n".'$replace_with = '.var_export($replace_with, true).';'."\n\n".'?>');
fclose($fh);
if (function_exists('apc_delete_file'))
@apc_delete_file(FORUM_CACHE_DIR.'cache_censoring.php');
}
//
// Generate the stopwords cache PHP script
//
function generate_stopwords_cache()
{
$stopwords = array();
$d = dir(PUN_ROOT.'lang');
while (($entry = $d->read()) !== false)
{
if ($entry{0} == '.')
continue;
if (is_dir(PUN_ROOT.'lang/'.$entry) && file_exists(PUN_ROOT.'lang/'.$entry.'/stopwords.txt'))
$stopwords = array_merge($stopwords, file(PUN_ROOT.'lang/'.$entry.'/stopwords.txt'));
}
$d->close();
// Tidy up and filter the stopwords
$stopwords = array_map('pun_trim', $stopwords);
$stopwords = array_filter($stopwords);
// Output stopwords as PHP code
$fh = @fopen(FORUM_CACHE_DIR.'cache_stopwords.php', 'wb');
if (!$fh)
error('Unable to write stopwords cache file to cache directory. Please make sure PHP has write access to the directory \''.pun_htmlspecialchars(FORUM_CACHE_DIR).'\'', __FILE__, __LINE__);
fwrite($fh, '<?php'."\n\n".'$cache_id = \''.generate_stopwords_cache_id().'\';'."\n".'if ($cache_id != generate_stopwords_cache_id()) return;'."\n\n".'define(\'PUN_STOPWORDS_LOADED\', 1);'."\n\n".'$stopwords = '.var_export($stopwords, true).';'."\n\n".'?>');
fclose($fh);
if (function_exists('apc_delete_file'))
@apc_delete_file(FORUM_CACHE_DIR.'cache_stopwords.php');
}
//
// Load some information about the latest registered users
//
function generate_users_info_cache()
{
global $db;
$stats = array();
$result = $db->query('SELECT COUNT(id)-1 FROM '.$db->prefix.'users WHERE group_id!='.PUN_UNVERIFIED) or error('Unable to fetch total user count', __FILE__, __LINE__, $db->error());
$stats['total_users'] = $db->result($result);
$result = $db->query('SELECT id, username FROM '.$db->prefix.'users WHERE group_id!='.PUN_UNVERIFIED.' ORDER BY registered DESC LIMIT 1') or error('Unable to fetch newest registered user', __FILE__, __LINE__, $db->error());
$stats['last_user'] = $db->fetch_assoc($result);
// Output users info as PHP code
$fh = @fopen(FORUM_CACHE_DIR.'cache_users_info.php', 'wb');
if (!$fh)
error('Unable to write users info cache file to cache directory. Please make sure PHP has write access to the directory \''.pun_htmlspecialchars(FORUM_CACHE_DIR).'\'', __FILE__, __LINE__);
fwrite($fh, '<?php'."\n\n".'define(\'PUN_USERS_INFO_LOADED\', 1);'."\n\n".'$stats = '.var_export($stats, true).';'."\n\n".'?>');
fclose($fh);
if (function_exists('apc_delete_file'))
@apc_delete_file(FORUM_CACHE_DIR.'cache_users_info.php');
}
//
// Delete all feed caches
//
function clear_feed_cache()
{
$d = dir(FORUM_CACHE_DIR);
while (($entry = $d->read()) !== false)
{
if (substr($entry, 0, 10) == 'cache_feed' && substr($entry, -4) == '.php')
@unlink(FORUM_CACHE_DIR.$entry);
}
$d->close();
}
define('FORUM_CACHE_FUNCTIONS_LOADED', true);
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