Viewing file:  ConfigCompatibility.php (10.45 KB) -rw-rw-rw-
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<?php
if (!defined('W3TC')) { die(); }
/**
* Class W3_ConfigCompatibility
*/
class W3_ConfigCompatibility {
/**
* @var array
*/
private $settings = array();
/**
* @var string
*/
private $old_version = '';
/**
* Reads legacy config file
* @param int $blog_id
* @param bool $force_master
* @return array
*/
public function get_imported_legacy_config_keys($blog_id, $force_master = false) {
$suffix = '';
if ($force_master) {
} else if ($blog_id > 0) {
if (w3_is_network()) {
if (w3_is_subdomain_install())
$suffix = '-' . w3_get_domain(w3_get_host());
else {
// try subdir blog
$request_uri = rtrim($_SERVER['REQUEST_URI'], '/');
$site_home_uri = w3_get_base_path();
if (substr($request_uri, 0, strlen($site_home_uri)) == $site_home_uri) {
$request_path_in_wp = '/' . substr($request_uri, strlen($site_home_uri));
$n = strpos($request_path_in_wp, '/', 1);
if ($n === false)
$blog_path_in_wp = substr($request_path_in_wp, 1);
else
$blog_path_in_wp = substr($request_path_in_wp, 1, $n - 1);
$suffix = '-' . ($blog_path_in_wp != 'wp-admin'? $blog_path_in_wp . '.': '') . w3_get_domain(w3_get_host());
}
}
}
}
$filename = WP_CONTENT_DIR . '/w3-total-cache-config' . $suffix . '.php';
$legacy_config = W3_ConfigData::get_array_from_file($filename);
if (is_array($legacy_config) &&
isset($legacy_config['pgcache.engine']) &&
$legacy_config['pgcache.engine'] == 'file_pgcache')
$legacy_config['pgcache.engine'] = 'file_generic';
return $legacy_config;
}
/**
* Setups new settings
*
* @return array
*/
public function get_new_settings() {
$data = $this->_get_new_settings();
if (empty($data))
return array();
list($current_version_default_configuration, $current_version_sealing_keys_scope) = $this->get_current_default_configuration_keys();
$modules = array();
$modules['general'] = array();
foreach ($current_version_sealing_keys_scope as $scope) {
$a = explode('.', $scope['key']);
$module = array_shift($a);
$modules[$module] = array();
}
$modules['monitoring'] = array();
$modules['mobile'] = array();
$modules['referrer'] = array();
foreach ($data as $key => $value) {
$a = explode('.', $key);
$module = array_shift($a);
if ('newrelic' == $module)
$module = 'monitoring';
$config_meta = w3_config_meta($key);
if (array_key_exists($module, $modules) && $config_meta['area'] == 'settings') {
$modules[$module][] = array('key' => $key, 'meta' => $value);
} else {
$modules['general'][] = array('key' => $key, 'meta' => $value);
}
}
$menus = new W3_Menus();
$menus = $menus->generate_menu_array();
$new_settings = array();
foreach ($modules as $module => $settings) {
if ($settings) {
$name = ucfirst($module);
$page = '';
foreach ($menus as $link => $meta) {
if (strpos($link, $module) !== false) {
$name = $meta[0];
$page = $link;
}
}
$new_settings[] = array('page' => $page, 'name' => $name, 'data' => $settings);
}
}
return $new_settings;
}
/**
* @param bool $network
* @return mixed|void
*/
private function _get_new_settings($network = false) {
$post_fix = '_single';
if (is_network_admin() || $network)
$post_fix = '_network';
return get_option('w3tc_new_settings' . $post_fix, array());
}
/**
* @param $old_version_number
*/
public function load_new_settings($old_version_number) {
if (empty($this->old_version)) {
$this->old_version = $old_version_number;
list($current_version_default_configuration, $current_version_sealing_keys_scope) = $this->get_current_default_configuration_keys();
$this->settings = $this->find_new_settings($current_version_default_configuration, $old_version_number);
}
}
/**
* Stores the internal values of version and changed setting in options.
* w3tc_old_version_single and w3tc_old_version_network if in network admin
* w3tc_new_settings_single and w3tc_new_settings_network if in network admin
*/
public function setup_settings() {
if ($this->old_version)
$this->set_old_version($this->old_version);
$post_fix = '_single';
if (is_network_admin())
$post_fix = '_network';
if (!(get_option('w3tc_new_settings' . $post_fix))) {
if ($this->settings) {
update_option('w3tc_new_settings' . $post_fix, $this->settings);
} else {
delete_option('w3tc_new_settings' . $post_fix);
delete_option('w3tc_old_version' . $post_fix);
}
}
}
/**
* @param string $old_version_number
* @return array(keys, scope)
*/
private function get_previous_version_default_configuration($old_version_number) {
/**
* @var array $keys
* @var array $sealing_keys_scope
*/
include W3TC_DIR . '/configs/' . $old_version_number . '-ConfigKeys.php';
$old_default_configuration_keys = $keys;
$old_sealing_keys_scope = $sealing_keys_scope;
return array($old_default_configuration_keys, $old_sealing_keys_scope);
}
/**
* @return array($current_version_keys, $current_version_sealing_keys_scope)
*/
private function get_current_default_configuration_keys() {
/**
* defines default $keys with descriptors
* @var array $keys config keys
* @var array $sealing_keys_scope config keys
*/
include W3TC_LIB_W3_DIR . '/ConfigKeys.php';
$current_version_keys = $keys;
$current_version_sealing_keys_scope = $sealing_keys_scope;
return array($current_version_keys, $current_version_sealing_keys_scope);
}
/**
* @return array
*/
private function get_current_configuration() {
$old_config = W3_ConfigWriter::get_config_filename();
$old_configuration_keys = include $old_config;
return $old_configuration_keys;
}
/**
* @param $current_version_default_configuration
* @param $old_default_configuration
* @return array
*/
private function get_changed_default_configs($current_version_default_configuration, $old_default_configuration) {
$defaults_changed = array();
foreach ($current_version_default_configuration as $key => $meta) {
foreach ($old_default_configuration as $oKey => $oMeta) {
if ($oKey == $key && $meta['default'] != $oMeta['default'])
$defaults_changed[$key] = array('old' => $oMeta, 'new' => $meta);
}
}
return $defaults_changed;
}
/**
* Returns true if config section is sealed
* @param string $section
* @param W3_Config $config_master
* @param W3_ConfigAdmin $config_admin
* @return boolean
*/
private function is_sealed($section, $config_master, $config_admin) {
if (w3_get_blog_id() == 0)
return false;
if (w3_is_network() && w3_get_blog_id() !=0 && w3_force_master())
return true;
// browsercache settings change rules, so not available in child settings
if ($section == 'browsercache')
return true;
if ($section == 'minify' && !$config_master->get_boolean('minify.enabled'))
return true;
return $config_admin->get_boolean($section . '.configuration_sealed');
}
/**
* @param array $current_version_default_configuration
* @param string $old_version_number
* @return array
*/
private function find_new_settings($current_version_default_configuration, $old_version_number) {
w3_require_once(W3TC_INC_FUNCTIONS_DIR . '/admin_ui.php');
$current_configuration = $this->get_current_configuration();
list($old_default_configuration, $old_sealing_keys_scope) = $this->get_previous_version_default_configuration($old_version_number);
$changed_data = array();
$defaults_changed = $this->get_changed_default_configs($current_version_default_configuration, $old_default_configuration);
$config_master = new W3_Config(true);
$config_admin = new W3_ConfigAdmin();
foreach ($defaults_changed as $key => $meta) {
$a = explode('.', $key);
if ($this->is_sealed(array_shift($a), $config_master, $config_admin))
continue;
if (isset($current_configuration[$key])) {
$current_conf_value = $current_configuration[$key];
if ($current_conf_value == $meta['old']['default'] &&
$current_conf_value != $meta['new']['default'] &&
w3_config_can_change($key, $meta)
) {
$changed_data[$key] = array('value' => $meta['new']['default'], 'state' => 'changed');
}
} else {
if (w3_config_can_change($key, $meta))
$changed_data[$key] = array('value' => $meta['new']['default'], 'state' => 'new');
}
}
return $changed_data;
}
/**
* Returns the older version used on install if the plugin has been recently updated
* @return string
*/
public function get_old_version() {
$post_fix = '_single';
if (is_network_admin())
$post_fix = '_network';
if ($version = get_option('w3tc_old_version' . $post_fix, ''))
return $version;
return $this->old_version;
}
public function set_old_version($version) {
$post_fix = '_single';
if (is_network_admin())
$post_fix = '_network';
update_option('w3tc_old_version' . $post_fix, $version);
}
}
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