<?php
/**
*
* @package acm
* @version $Id: cache.php 8691 2008-07-28 13:26:20Z acydburn $
* @copyright (c) 2005 phpBB Group
* @license http://opensource.org/licenses/gpl-license.php GNU Public License
*
*/
/**
* @ignore
*/
if (!defined('IN_PHPBB'))
{
exit;
}
/**
* Class for grabbing/handling cached entries, extends acm_file or acm_db depending on the setup
* @package acm
*/
class cache extends acm
{
/**
* Get config values
*/
function obtain_config()
{
global $db;
if (($config = $this->get('config')) !== false)
{
$sql = 'SELECT config_name, config_value
FROM ' . CONFIG_TABLE . '
WHERE is_dynamic = 1';
$result = $db->sql_query($sql);
while ($row = $db->sql_fetchrow($result))
{
$config[$row['config_name']] = $row['config_value'];
}
$db->sql_freeresult($result);
}
else
{
$config = $cached_config = array();
$sql = 'SELECT config_name, config_value, is_dynamic
FROM ' . CONFIG_TABLE;
$result = $db->sql_query($sql);
while ($row = $db->sql_fetchrow($result))
{
if (!$row['is_dynamic'])
{
$cached_config[$row['config_name']] = $row['config_value'];
}
$config[$row['config_name']] = $row['config_value'];
}
$db->sql_freeresult($result);
$this->put('config', $cached_config);
}
return $config;
}
/**
* Obtain list of naughty words and build preg style replacement arrays for use by the
* calling script
*/
function obtain_word_list()
{
global $db;
if (($censors = $this->get('_word_censors')) === false)
{
$sql = 'SELECT word, replacement
FROM ' . WORDS_TABLE;
$result = $db->sql_query($sql);
$censors = array();
while ($row = $db->sql_fetchrow($result))
{
$censors['match'][] = '#(?<!\w)(' . str_replace('\*', '\w*?', preg_quote($row['word'], '#')) . ')(?!\w)#i';
$censors['replace'][] = $row['replacement'];
}
$db->sql_freeresult($result);
$this->put('_word_censors', $censors);
}
return $censors;
}
/**
* Obtain currently listed icons
*/
function obtain_icons()
{
if (($icons = $this->get('_icons')) === false)
{
global $db;
// Topic icons
$sql = 'SELECT *
FROM ' . ICONS_TABLE . '
ORDER BY icons_order';
$result = $db->sql_query($sql);
$icons = array();
while ($row = $db->sql_fetchrow($result))
{
$icons[$row['icons_id']]['img'] = $row['icons_url'];
$icons[$row['icons_id']]['width'] = (int) $row['icons_width'];
$icons[$row['icons_id']]['height'] = (int) $row['icons_height'];
$icons[$row['icons_id']]['display'] = (bool) $row['display_on_posting'];
}
$db->sql_freeresult($result);
$this->put('_icons', $icons);
}
return $icons;
}
/**
* Obtain ranks
*/
function obtain_ranks()
{
if (($ranks = $this->get('_ranks')) === false)
{
global $db;
$sql = 'SELECT *
FROM ' . RANKS_TABLE . '
ORDER BY rank_min DESC';
$result = $db->sql_query($sql);
$ranks = array();
while ($row = $db->sql_fetchrow($result))
{
if ($row['rank_special'])
{
$ranks['special'][$row['rank_id']] = array(
'rank_title' => $row['rank_title'],
'rank_image' => $row['rank_image']
);
}
else
{
$ranks['normal'][] = array(
'rank_title' => $row['rank_title'],
'rank_min' => $row['rank_min'],
'rank_image' => $row['rank_image']
);
}
}
$db->sql_freeresult($result);
$this->put('_ranks', $ranks);
}
return $ranks;
}
/**
* Obtain allowed extensions
*
* @param mixed $forum_id If false then check for private messaging, if int then check for forum id. If true, then only return extension informations.
*
* @return array allowed extensions array.
*/
function obtain_attach_extensions($forum_id)
{
if (($extensions = $this->get('_extensions')) === false)
{
global $db;
$extensions = array(
'_allowed_post' => array(),
'_allowed_pm' => array(),
);
// The rule is to only allow those extensions defined. ;)
$sql = 'SELECT e.extension, g.*
FROM ' . EXTENSIONS_TABLE . ' e, ' . EXTENSION_GROUPS_TABLE . ' g
WHERE e.group_id = g.group_id
AND (g.allow_group = 1 OR g.allow_in_pm = 1)';
$result = $db->sql_query($sql);
while ($row = $db->sql_fetchrow($result))
{
$extension = strtolower(trim($row['extension']));
$extensions[$extension] = array(
'display_cat' => (int) $row['cat_id'],
'download_mode' => (int) $row['download_mode'],
'upload_icon' => trim($row['upload_icon']),
'max_filesize' => (int) $row['max_filesize'],
'allow_group' => $row['allow_group'],
'allow_in_pm' => $row['allow_in_pm'],
);
$allowed_forums = ($row['allowed_forums']) ? unserialize(trim($row['allowed_forums'])) : array();
// Store allowed extensions forum wise
if ($row['allow_group'])
{
$extensions['_allowed_post'][$extension] = (!sizeof($allowed_forums)) ? 0 : $allowed_forums;
}
if ($row['allow_in_pm'])
{
$extensions['_allowed_pm'][$extension] = 0;
}
}
$db->sql_freeresult($result);
$this->put('_extensions', $extensions);
}
// Forum post
if ($forum_id === false)
{
// We are checking for private messages, therefore we only need to get the pm extensions...
$return = array('_allowed_' => array());
foreach ($extensions['_allowed_pm'] as $extension => $check)
{
$return['_allowed_'][$extension] = 0;
$return[$extension] = $extensions[$extension];
}
$extensions = $return;
}
else if ($forum_id === true)
{
return $extensions;
}
else
{
$forum_id = (int) $forum_id;
$return = array('_allowed_' => array());
foreach ($extensions['_allowed_post'] as $extension => $check)
{
// Check for allowed forums
if (is_array($check))
{
$allowed = (!in_array($forum_id, $check)) ? false : true;
}
else
{
$allowed = true;
}
if ($allowed)
{
$return['_allowed_'][$extension] = 0;
$return[$extension] = $extensions[$extension];
}
}
$extensions = $return;
}
if (!isset($extensions['_allowed_']))
{
$extensions['_allowed_'] = array();
}
return $extensions;
}
/**
* Obtain active bots
*/
function obtain_bots()
{
if (($bots = $this->get('_bots')) === false)
{
global $db;
switch ($db->sql_layer)
{
case 'mssql':
case 'mssql_odbc':
$sql = 'SELECT user_id, bot_agent, bot_ip
FROM ' . BOTS_TABLE . '
WHERE bot_active = 1
ORDER BY LEN(bot_agent) DESC';
break;
case 'firebird':
$sql = 'SELECT user_id, bot_agent, bot_ip
FROM ' . BOTS_TABLE . '
WHERE bot_active = 1
ORDER BY CHAR_LENGTH(bot_agent) DESC';
break;
// LENGTH supported by MySQL, IBM DB2 and Oracle for sure...
default:
$sql = 'SELECT user_id, bot_agent, bot_ip
FROM ' . BOTS_TABLE . '
WHERE bot_active = 1
ORDER BY LENGTH(bot_agent) DESC';
break;
}
$result = $db->sql_query($sql);
$bots = array();
while ($row = $db->sql_fetchrow($result))
{
$bots[] = $row;
}
$db->sql_freeresult($result);
$this->put('_bots', $bots);
}
return $bots;
}
/**
* Obtain cfg file data
*/
function obtain_cfg_items($theme)
{
global $config, $phpbb_root_path;
$parsed_items = array(
'theme' => array(),
'template' => array(),
'imageset' => array()
);
foreach ($parsed_items as $key => $parsed_array)
{
$parsed_array = $this->get('_cfg_' . $key . '_' . $theme[$key . '_path']);
if ($parsed_array === false)
{
$parsed_array = array();
}
$reparse = false;
$filename = $phpbb_root_path . 'styles/' . $theme[$key . '_path'] . '/' . $key . '/' . $key . '.cfg';
if (!file_exists($filename))
{
continue;
}
if (!isset($parsed_array['filetime']) || (($config['load_tplcompile'] && @filemtime($filename) > $parsed_array['filetime'])))
{
$reparse = true;
}
// Re-parse cfg file
if ($reparse)
{
$parsed_array = parse_cfg_file($filename);
$parsed_array['filetime'] = @filemtime($filename);
$this->put('_cfg_' . $key . '_' . $theme[$key . '_path'], $parsed_array);
}
$parsed_items[$key] = $parsed_array;
}
return $parsed_items;
}
/**
* Obtain disallowed usernames
*/
function obtain_disallowed_usernames()
{
if (($usernames = $this->get('_disallowed_usernames')) === false)
{
global $db;
$sql = 'SELECT disallow_username
FROM ' . DISALLOW_TABLE;
$result = $db->sql_query($sql);
$usernames = array();
while ($row = $db->sql_fetchrow($result))
{
$usernames[] = str_replace('%', '.*?', preg_quote(utf8_clean_string($row['disallow_username']), '#'));
}
$db->sql_freeresult($result);
$this->put('_disallowed_usernames', $usernames);
}
return $usernames;
}
/**
* Obtain hooks...
*/
function obtain_hooks()
{
global $phpbb_root_path, $phpEx;
if (($hook_files = $this->get('_hooks')) === false)
{
$hook_files = array();
// Now search for hooks...
$dh = @opendir($phpbb_root_path . 'includes/hooks/');
if ($dh)
{
while (($file = readdir($dh)) !== false)
{
if (strpos($file, 'hook_') === 0 && substr($file, -(strlen($phpEx) + 1)) === '.' . $phpEx)
{
$hook_files[] = substr($file, 0, -(strlen($phpEx) + 1));
}
}
closedir($dh);
}
$this->put('_hooks', $hook_files);
}
return $hook_files;
}
}
?>