Viewing file:  ConfigAdmin.php (3.92 KB) -rw-rw-rw-
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<?php
w3_require_once(W3TC_LIB_W3_DIR . '/ConfigBase.php');
w3_require_once(W3TC_LIB_W3_DIR . '/ConfigData.php');
/**
* Class W3_ConfigAdmin
* Provides administration configuration data
*/
class W3_ConfigAdmin extends W3_ConfigBase {
/*
* blog id of loaded config
* @var integer
*/
private $_blog_id;
/*
* configuration data as object.
* Contains data only of current blog, while ConfigAdmin object contains
* aggregated data
*
* @var object
*/
private $_own_config_data_object;
/*
* configuration data as object.
* Contains aggregated data
*
* @var object
*/
private $_aggregated_data_object;
/**
* keys descriptiors
*
* @var array
*/
private $_keys;
/**
* Constructor
*/
function __construct() {
$this->_blog_id = w3_get_blog_id();
// defines $keys_admin with descriptors
include W3TC_LIB_W3_DIR . '/ConfigKeys.php';
$this->_keys = $keys_admin;
$this->_aggregated_data_object = new W3_ConfigData($keys_admin);
$this->_aggregated_data_object->set_defaults();
// load master-config data
$filename1 = $this->_get_config_filename(true);
$this->_aggregated_data_object->read($filename1);
// load blog-config data (or master if we are master)
$filename2 = $this->_get_config_filename();
$this->_data_object = new W3_ConfigData($keys_admin);
// set defaults
$this->_data_object->set_group($this->_aggregated_data_object->data);
$data = W3_ConfigData::get_array_from_file($filename2);
if (!is_null($data)) {
foreach ($data as $key => $value) {
if ($this->_writable_key($key))
$this->_data_object->set($key, $value);
}
}
// merge blog-specific config data to aggregated data
if ($this->_blog_id > 0)
$this->_aggregated_data_object->set_group($this->_data_object->data);
$this->_data = & $this->_aggregated_data_object->data;
}
/**
* Sets config value
*
* @param string $key
* @param string $value
* @return value set
*/
function set($key, $value) {
$key = $this->_data_object->resolve_http_key($key);
if (!$this->_writable_key($key))
return null;
$value = $this->_data_object->set($key, $value);
$this->_aggregated_data_object->set($key, $value);
return $value;
}
/**
* Checks if own configuration file exists
*
* @return bool
*/
function own_config_exists() {
return @file_exists($this->_get_config_filename());
}
/**
* Saves modified config
*/
function save() {
$filename = $this->_get_config_filename();
if (!is_dir(dirname($filename))) {
w3_require_once(W3TC_INC_DIR . '/functions/file.php');
w3_mkdir_from(dirname($filename), WP_CONTENT_DIR);
}
$this->_data_object->write($filename);
}
/**
* returns if that key can be set for this config
*
* @param string $key
* @return bool
*/
private function _writable_key($key) {
if ($this->_blog_id > 0) {
if (!isset($this->_keys[$key]))
return false;
if (isset($this->_keys[$key]['master_only']) &&
$this->_keys[$key]['master_only'])
return false;
}
return true;
}
/*
* Returns config filename
*
* @return string
*/
private function _get_config_filename($force_master = false) {
if ($this->_blog_id <= 0 || $force_master || w3_force_master())
return W3TC_CONFIG_DIR . '/master-admin.php';
return W3TC_CONFIG_DIR . '/' .
sprintf('%06d', $this->_blog_id) . '-admin.php';
}
}
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