<?php
/*
* Enano - an open-source CMS capable of wiki functions, Drupal-like sidebar blocks, and everything in between
* Copyright (C) 2006-2009 Dan Fuhry
*
* This program is Free Software; you can redistribute 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.
*
* This program 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 details.
*/
// Cache manager - regenerate and clear various cached values
function page_Admin_CacheManager()
{
global $db, $session, $paths, $template, $plugins; // Common objects
global $lang;
global $cache;
if ( $session->auth_level < USER_LEVEL_ADMIN || $session->user_level < USER_LEVEL_ADMIN )
{
$login_link = makeUrlNS('Special', 'Login/' . $paths->nslist['Special'] . 'Administration', 'level=' . USER_LEVEL_ADMIN, true);
echo '<h3>' . $lang->get('adm_err_not_auth_title') . '</h3>';
echo '<p>' . $lang->get('adm_err_not_auth_body', array( 'login_link' => $login_link )) . '</p>';
return;
}
// validation/actions
if ( isset($_POST['refresh']) || isset($_POST['clear']) )
{
$success = false;
$target = ( isset($_POST['refresh']) ) ? $_POST['refresh'] : $_POST['clear'];
$do_refresh = isset($_POST['refresh']);
switch ( $target )
{
case 'page':
$success = $cache->purge('page_meta');
if ( $do_refresh && $success )
$success = $paths->update_metadata_cache();
break;
case 'ranks':
$success = $cache->purge('ranks');
if ( $do_refresh && $success )
$success = generate_cache_userranks();
break;
case 'sidebar':
$success = $cache->purge('anon_sidebar');
break;
case 'plugins':
$success = $cache->purge('plugins');
if ( $do_refresh && $success )
$success = $plugins->generate_plugins_cache();
break;
case 'template':
if ( $dh = opendir(ENANO_ROOT . '/cache') )
{
while ( $file = @readdir($dh) )
{
$fullpath = ENANO_ROOT . "/cache/$file";
// we don't want to mess with directories
if ( !is_file($fullpath) )
continue;
if ( preg_match('/\.(?:tpl|css)\.php$/', $file) )
{
unlink($fullpath);
}
}
$success = true;
}
break;
case 'aes':
$success = @unlink(ENANO_ROOT . '/cache/aes_decrypt.php');
break;
case 'lang':
if ( $dh = opendir(ENANO_ROOT . '/cache') )
{
while ( $file = @readdir($dh) )
{
$fullpath = ENANO_ROOT . "/cache/$file";
// we don't want to mess with directories
if ( !is_file($fullpath) )
continue;
if ( preg_match('/^lang_json_(?:[a-f0-9]+?)\.php$/', $file) || preg_match('/^(?:cache_)?lang_(?:[0-9]+?)\.php$/', $file) )
unlink($fullpath);
}
$success = true;
}
if ( $do_refresh && $success )
{
// for each language in the database, call regen_caches()
$q = $db->sql_query('SELECT lang_id FROM ' . table_prefix . 'language;');
if ( !$q )
$db->_die();
while ( $row = $db->fetchrow($q) )
{
$lang_local = ( $row['lang_id'] == $lang->lang_id ) ? $lang : new Language($row['lang_id']);
$success = $lang_local->regen_caches();
if ( !$success )
break 2;
}
}
break;
case 'js':
if ( $dh = opendir(ENANO_ROOT . '/cache') )
{
while ( $file = @readdir($dh) )
{
$fullpath = ENANO_ROOT . "/cache/$file";
// we don't want to mess with directories
if ( !is_file($fullpath) )
continue;
// compressed javascript
if ( preg_match('/^jsres_(?:[A-z0-9_-]+)\.js\.json$/', $file) )
unlink($fullpath);
// tinymce stuff
else if ( preg_match('/^tiny_mce_(?:[a-f0-9]+)\.gz$/', $file) )
unlink($fullpath);
}
$success = true;
}
break;
case 'thumbs':
if ( $dh = opendir(ENANO_ROOT . '/cache') )
{
while ( $file = @readdir($dh) )
{
$fullpath = ENANO_ROOT . "/cache/$file";
// we don't want to mess with directories
if ( !is_file($fullpath) )
continue;
if ( preg_match('/^(?:[a-z0-9\._,-]+)-(?:[0-9]{10})-[0-9]+x[0-9]+\.([a-z0-9_-]+)$/i', $file) )
unlink($fullpath);
}
$success = true;
}
break;
case 'wikieditnotice':
$cache->purge('wiki_edit_notice');
if ( $do_refresh )
$template->get_wiki_edit_notice();
$success = true;
break;
case 'all':
$success = purge_all_caches();
if ( $do_refresh )
{
//
// refresh all static (non-incremental) caches
//
// pages
$success = $paths->update_metadata_cache();
if ( !$success )
break;
// user ranks
$success = generate_cache_userranks();
if ( !$success )
break;
// plugins
$success = $plugins->generate_plugins_cache();
if ( !$success )
break;
// wiki edit notice
$template->get_wiki_edit_notice();
// languages
$q = $db->sql_query('SELECT lang_id FROM ' . table_prefix . 'language;');
if ( !$q )
$db->_die();
while ( $row = $db->fetchrow($q) )
{
$lang_local = ( $row['lang_id'] == $lang->lang_id ) ? $lang : new Language($row['lang_id']);
$success = $lang_local->regen_caches();
if ( !$success )
break 2;
}
}
break;
default:
$code = $plugins->setHook('acp_cache_manager_action');
foreach ( $code as $cmd )
{
eval($cmd);
}
break;
}
if ( $success )
{
echo '<div class="info-box">' . $lang->get('acpcm_msg_action_success') . '</div>';
}
else
{
echo '<div class="error-box">' . $lang->get('acpcm_err_action_failed') . '</div>';
}
}
else if ( isset($_POST['save']) )
{
$config_value = ( isset($_POST['cache_thumbs']) ) ? '1' : '0';
setConfig('cache_thumbs', $config_value);
echo '<div class="info-box">' . $lang->get('acpcm_msg_action_success') . '</div>';
}
echo '<h3><img alt=" " src="' . scriptPath . '/images/icons/applets/cachemanager.png" /> ' . $lang->get('acpcm_heading_main') . '</h3>';
echo '<p>' . $lang->get('acpcm_intro') . '</p>';
echo '<div class="warning-box">' . $lang->get('acpcm_msg_refresh_warning') . '</div>';
acp_start_form();
?>
<div class="tblholder">
<table border="0" cellspacing="1" cellpadding="4">
<!-- HEADER -->
<tr>
<th colspan="2">
<?php echo $lang->get('acpcm_table_header'); ?>
</th>
</tr>
<!-- ENABLE CACHE -->
<tr>
<td class="row1" colspan="2">
<label>
<input type="checkbox" name="cache_thumbs"<?php if ( getConfig('cache_thumbs') == '1' ) echo ' checked="checked"'; ?> />
<?php echo $lang->get('acpcm_lbl_enable_cache'); ?>
</label>
<br />
<small>
<?php echo $lang->get('acpcm_hint_enable_cache'); ?>
</small>
</td>
</tr>
<!-- CLEAR ALL -->
<tr>
<td class="row2" style="width: 120px; text-align: center;">
<button name="clear" value="all"><?php echo $lang->get('acpcm_btn_clear_all'); ?></button>
</td>
<td class="row2">
<?php echo $lang->get('acpcm_hint_clear_all'); ?>
</td>
</tr>
<?php
// if caching is disabled, might as well break off here
if ( getConfig('cache_thumbs') == '1' ):
?>
<!-- REFRESH ALL -->
<tr>
<td class="row1" style="text-align: center;">
<button name="refresh" value="all"><?php echo $lang->get('acpcm_btn_refresh_all'); ?></button>
</td>
<td class="row1">
<?php echo $lang->get('acpcm_hint_refresh_all'); ?>
</td>
</tr>
<!-- INDIVIDUAL CACHES -->
<tr>
<th class="subhead" colspan="2">
<?php echo $lang->get('acpcm_th_individual_caches'); ?>
</th>
</tr>
<?php
$class = 'row2';
$cache_list = array('page', 'ranks', 'sidebar', 'plugins', 'template', 'aes', 'lang', 'js', 'thumbs', 'wikieditnotice');
$code = $plugins->setHook('acp_cache_manager_list_caches');
foreach ( $code as $cmd )
{
eval($cmd);
}
foreach ( $cache_list as $target )
{
$class = ( $class == 'row1' ) ? 'row2' : 'row1';
?><tr>
<td class="<?php echo $class; ?>" style="text-align: center;">
<button name="refresh" value="<?php echo $target; ?>"<?php if ( in_array($target, array('template', 'sidebar', 'aes', 'js', 'thumbs')) ) echo ' disabled="disabled"'; ?>>
<?php echo $lang->get('acpcm_btn_refresh'); ?>
</button>
<button name="clear" value="<?php echo $target; ?>">
<?php echo $lang->get('acpcm_btn_clear'); ?>
</button>
</td>
<td class="<?php echo $class; ?>">
<b><?php echo $lang->get("acpcm_cache_{$target}_desc_title"); ?></b> –
<?php echo $lang->get("acpcm_cache_{$target}_desc_body"); ?>
</td>
</tr>
<?php
}
// getConfig('cache_thumbs') == '1'
endif;
?>
<!-- SAVE CHANGES -->
<tr>
<th colspan="2" class="subhead">
<input type="submit" name="save" value="<?php echo $lang->get('etc_save_changes'); ?>" style="font-weight: bold;" />
<input type="submit" name="cancel" value="<?php echo $lang->get('etc_cancel'); ?>" />
</th>
</tr>
</table>
</div>
<?php
echo '</form>';
}
?>