/**
* Clear full page cache (/cache directory)
*/
function dbm_delete_pagecache()
{
global $DB, $Messages, $cache_path;
// Clear general cache directory
if (cleardir_r($cache_path . 'general')) {
$Messages->add(sprintf(T_('General cache deleted: %s'), $cache_path . 'general'), 'note');
} else {
$Messages->add(sprintf(T_('Could not delete general cache: %s'), $cache_path . 'general'), 'error');
}
$SQL = 'SELECT blog_ID FROM T_blogs
INNER JOIN T_coll_settings ON ( blog_ID = cset_coll_ID
AND cset_name = "cache_enabled"
AND cset_value = "1" )
WHERE 1=1';
if ($blog_array = $DB->get_col($SQL)) {
foreach ($blog_array as $l_blog) {
// Clear blog cache
if (cleardir_r($cache_path . 'c' . $l_blog)) {
$Messages->add(sprintf(T_('Blog %d cache deleted: %s'), $l_blog, $cache_path . 'c' . $l_blog), 'note');
} else {
$Messages->add(sprintf(T_('Could not delete blog %d cache: %s'), $l_blog, $cache_path . 'c' . $l_blog), 'error');
}
// Create .htaccess file with deny rules
create_htaccess_deny($cache_path);
}
}
$Messages->add(T_('Page cache deleted.'), 'success');
}
/**
* Check if a directory is ready for operation, i-e writable by PHP.
*
* @return integer result code, 0 means 'ok'
*/
function system_check_dir($directory = 'media', $relative_path = NULL)
{
global $media_path, $cache_path;
switch ($directory) {
case 'cache':
$path = $cache_path;
break;
case 'media':
$path = $media_path;
break;
default:
return 1;
}
if ($relative_path != NULL) {
$path .= $relative_path;
}
if (!is_dir($path)) {
return 2;
} elseif (!is_readable($path)) {
return 3;
} elseif (!is_writable($path)) {
return 4;
} else {
$tempfile_path = $path . 'temp.tmp';
if (!@touch($tempfile_path) || !@unlink($tempfile_path)) {
return 5;
}
}
if ($directory == 'cache' && $relative_path != NULL) {
// Create .htaccess file with deny rules
if (!create_htaccess_deny($cache_path)) {
return 6;
}
}
return 0;
}
/**
* @return boolean true if cache has been successfully created
*/
function cache_create($clear = true)
{
global $cache_path;
// Create by using the filemanager's default chmod. TODO> we may not want to make these publicly readable
if (!mkdir_r($this->ads_collcache_path, NULL)) {
return false;
}
if ($clear) {
// Clear contents of folder, if any:
cleardir_r($this->ads_collcache_path);
}
// Create htaccess file with deny rules
if (!create_htaccess_deny($cache_path)) {
return false;
}
return true;
}
