AlkantarClanX12
Your IP : 18.117.105.40
<?php
namespace W3TC;
/**
* class Config
* Provides configuration data using cache
*/
class Config {
/*
* blog id of loaded config
* @var integer
*/
private $_blog_id;
private $_is_master;
/*
* Is this preview config
* @var boolean
*/
private $_preview;
private $_md5;
private $_data;
private $_compiled;
/**
* Reads config from file and returns it's content as array (or null)
* Stored in this class to limit class loading
*/
static public function util_array_from_storage( $blog_id, $preview ) {
if ( !defined( 'W3TC_CONFIG_CACHE_ENGINE' ) ) {
return self::_util_array_from_storage( $blog_id, $preview );
}
// config cache enabled
$config = ConfigCache::util_array_from_storage( $blog_id, $preview );
if ( !is_null( $config ) ) {
return $config;
}
$config = self::_util_array_from_storage( $blog_id, $preview );
ConfigCache::save_item( $blog_id, $preview, $config );
return $config;
}
static private function _util_array_from_storage( $blog_id, $preview ) {
if ( defined( 'W3TC_CONFIG_DATABASE' ) && W3TC_CONFIG_DATABASE ) {
return ConfigDbStorage::util_array_from_storage( $blog_id, $preview );
}
$filename = self::util_config_filename( $blog_id, $preview );
if ( file_exists( $filename ) && is_readable( $filename ) ) {
// including file directly instead of read+eval causes constant
// problems with APC, ZendCache, and WSOD in a case of
// broken config file
$content = @file_get_contents( $filename );
$config = @json_decode( substr( $content, 14 ), true );
if ( is_array( $config ) ) {
return $config;
}
}
return null;
}
/*
* Returns config filename
* Stored in this class to limit class loading
*/
static public function util_config_filename( $blog_id, $preview ) {
$postfix = ( $preview ? '-preview' : '' ) . '.php';
if ( $blog_id <= 0 ) {
$filename = W3TC_CONFIG_DIR . '/master' . $postfix;
} else {
$filename = W3TC_CONFIG_DIR . '/' . sprintf( '%06d', $blog_id ) . $postfix;
}
$d = w3tc_apply_filters( 'config_filename', array(
'blog_id' => $blog_id,
'preview' => $preview,
'filename' => $filename
) );
return $d['filename'];
}
/*
* Returns config filename
* Stored in this class to limit class loading
* v = 0.9.5 - 0.9.5.1
*/
static public function util_config_filename_legacy_v2( $blog_id, $preview ) {
$postfix = ( $preview ? '-preview' : '' ) . '.json';
if ( $blog_id <= 0 )
return W3TC_CONFIG_DIR . '/master' . $postfix;
else
return W3TC_CONFIG_DIR . '/' . sprintf( '%06d', $blog_id ) . $postfix;
}
public function __construct( $blog_id = null ) {
if ( !is_null( $blog_id ) ) {
$this->_blog_id = $blog_id;
$this->_is_master = ( $this->_blog_id == 0 );
} else {
if ( Util_Environment::is_using_master_config() )
$this->_blog_id = 0;
else
$this->_blog_id = Util_Environment::blog_id();
$this->_is_master = ( Util_Environment::blog_id() == 0 );
}
$this->_preview = Util_Environment::is_preview_mode();
$this->load();
}
/**
* Returns config value. Implementation for overriding
*/
public function get( $key, $default = null ) {
$v = $this->_get( $this->_data, $key );
if ( !is_null( $v ) )
return $v;
// take default value
if ( !empty( $default ) || !function_exists( 'apply_filters' ) )
return $default;
// try cached default values
static $default_values = null;
if ( is_null( $default_values ) )
$default_values = apply_filters( 'w3tc_config_default_values',
array() );
$v = $this->_get( $default_values, $key );
if ( !is_null( $v ) )
return $v;
// update default values
$default_values = apply_filters( 'w3tc_config_default_values',
array() );
$v = $this->_get( $default_values, $key );
if ( !is_null( $v ) )
return $v;
return $default;
}
private function _get( &$a, $key ) {
if ( is_array( $key ) ) {
$key0 = $key[0];
if ( isset( $a[$key0] ) ) {
$key1 = $key[1];
if ( isset( $a[$key0][$key1] ) )
return $a[$key0][$key1];
}
} else if ( isset( $a[$key] ) ) {
return $a[$key];
}
return null;
}
/**
* Returns string value
*/
public function get_string( $key, $default = '', $trim = true ) {
$value = (string)$this->get( $key, $default );
return $trim ? trim( $value ) : $value;
}
/**
* Returns integer value
*/
public function get_integer( $key, $default = 0 ) {
return (integer)$this->get( $key, $default );
}
/**
* Returns boolean value
*/
public function get_boolean( $key, $default = false ) {
return (boolean)$this->get( $key, $default );
}
/**
* Returns array value
*/
public function get_array( $key, $default = array() ) {
return (array)$this->get( $key, $default );
}
/**
* Returns config value with ability to hook it.
* Should be called only when filters already loaded and
* call doesn't repeat too many times
*/
public function getf( $key, $default = null ) {
$v = $this->get( $key, $default );
return apply_filters( 'w3tc_config_item_' . $key, $v );
}
/**
* Returns string value with ability to hook it
*/
public function getf_string( $key, $default = '', $trim = true ) {
$value = (string)$this->getf( $key, $default );
return $trim ? trim( $value ) : $value;
}
/**
* Returns integer value with ability to hook it
*/
public function getf_integer( $key, $default = 0 ) {
return (integer)$this->getf( $key, $default );
}
/**
* Returns boolean value ability to hook it
*/
public function getf_boolean( $key, $default = false ) {
return (boolean)$this->getf( $key, $default );
}
/**
* Returns array value ability to hook it
*/
public function getf_array( $key, $default = array() ) {
return (array)$this->getf( $key, $default );
}
/**
* Check if an extension is active
*/
public function is_extension_active( $extension ) {
$extensions = $this->get_array( 'extensions.active' );
return isset( $extensions[$extension] );
}
public function is_extension_active_frontend( $extension ) {
$extensions = $this->get_array( 'extensions.active_frontend' );
return isset( $extensions[$extension] );
}
public function set_extension_active_frontend( $extension,
$is_active_frontend ) {
$a = $this->get_array( 'extensions.active_frontend' );
if ( !$is_active_frontend ) {
unset( $a[$extension] );
} else {
$a[$extension] = '*';
}
$this->set( 'extensions.active_frontend', $a );
}
public function set_extension_active_dropin( $extension,
$is_active_dropin ) {
$a = $this->get_array( 'extensions.active_dropin' );
if ( !$is_active_dropin ) {
unset( $a[$extension] );
} else {
$a[$extension] = '*';
}
$this->set( 'extensions.active_dropin', $a );
}
/**
* Sets config value.
* Method to override
*/
public function set( $key, $value ) {
if ( !is_array( $key ) ) {
$this->_data[$key] = $value;
} else {
// set extension's key
$key0 = $key[0];
$key1 = $key[1];
if ( !isset( $this->_data[$key0] ) || !is_array( $this->_data[$key0] ) )
$this->_data[$key0] = array();
$this->_data[$key0][$key1] = $value;
}
return $value;
}
/**
* Check if we are in preview mode
*/
public function is_preview() {
return $this->_preview;
}
/**
* Returns true if we edit master config
*/
public function is_master() {
return $this->_is_master;
}
public function is_compiled() {
return $this->_compiled;
}
/**
* Sets default values
*/
public function set_defaults() {
$c = new ConfigCompiler( $this->_blog_id, $this->_preview );
$this->_data = $c->get_data();
}
/**
* Saves modified config
*/
public function save() {
if ( function_exists( 'do_action' ) )
do_action( 'w3tc_config_save', $this );
$c = new ConfigCompiler( $this->_blog_id, $this->_preview );
$c->apply_data( $this->_data );
$c->save();
}
public function is_sealed( $key ) {
if ( $this->is_master() )
return false;
// better to use master config data here, but
// its faster and preciese enough for UI
return ConfigCompiler::child_key_sealed( $key, $this->_data,
$this->_data );
}
/**
* Exports config content
*/
public function export() {
if ( defined( 'JSON_PRETTY_PRINT' ) )
$content = json_encode( $this->_data, JSON_PRETTY_PRINT );
else
$content = json_encode( $this->_data );
return $content;
}
/**
* Imports config content.
*
* @global $wp_filesystem
* @see get_filesystem_method()
*
* @param string $filename Filename/path.
* @return bool
*/
public function import( string $filename ): bool {
if ( 'direct' !== \get_filesystem_method() ) {
return false;
}
// Initialize WP_Filesystem.
global $wp_filesystem;
WP_Filesystem();
if ( $wp_filesystem->exists( $filename ) && $wp_filesystem->is_readable( $filename ) ) {
$content = $wp_filesystem->get_contents( $filename );
if ( \substr( $content, 0, 14 ) === '<?php exit; ?>' ) {
$content = \substr( $content, 14 );
}
$data = @json_decode( $content, true );
if ( \is_array( $data ) ) {
if ( ! isset( $data['version'] ) || W3TC_VERSION !== $data['version'] ) {
$c = new ConfigCompiler( $this->_blog_id, false );
$c->load( $data );
$data = $c->get_data();
}
foreach ( $data as $key => $value ) {
$this->set( $key, $value );
}
return true;
}
}
return false;
}
public function get_md5() {
if ( is_null( $this->_md5 ) )
$this->_md5 = substr( md5( serialize( $this->_data ) ), 20 );
return $this->_md5;
}
/**
* Loads config.
* In a case it finds out config files are of older version - uses slower
* loader which takes all possible bloglevel-overloads into account
* correctly
*/
public function load() {
$data = Config::util_array_from_storage( 0, $this->_preview );
// config file assumed is not up to date, use slow version
if ( !isset( $data['version'] ) || $data['version'] != W3TC_VERSION )
return $this->load_full();
if ( !$this->is_master() ) {
$child_data = Config::util_array_from_storage( $this->_blog_id,
$this->_preview );
if ( !is_null( $child_data ) ) {
if ( !isset( $data['version'] ) || $data['version'] != W3TC_VERSION )
return $this->load_full();
foreach ( $child_data as $key => $value )
$data[$key] = $value;
}
}
$this->_data = $data;
$this->_compiled = false;
}
/**
* Slower version of loader, used when configs belong to older w3tc version
*/
private function load_full() {
$c = new ConfigCompiler( $this->_blog_id, $this->_preview );
$c->load();
$this->_data = $c->get_data();
$this->_compiled = true;
}
}