/**
* Returns blog_id by home url
* If database not initialized yet - returns 0
*
* @return integer
*/
public static function get_current_blog_data()
{
$host = Util_Environment::host();
// subdomain
if (Util_Environment::is_wpmu_subdomain()) {
$blog_data = Util_WpmuBlogmap::try_get_current_blog_data($host);
if (is_null($blog_data)) {
$GLOBALS['w3tc_blogmap_register_new_item'] = $host;
}
return $blog_data;
} else {
// try subdir blog
$url = $host . $_SERVER['REQUEST_URI'];
$pos = strpos($url, '?');
if ($pos !== false) {
$url = substr($url, 0, $pos);
}
$url = rtrim($url, '/');
$start_url = $url;
for (;;) {
$blog_data = Util_WpmuBlogmap::try_get_current_blog_data($url);
if (!is_null($blog_data)) {
return $blog_data;
}
$pos = strrpos($url, '/');
if ($pos === false) {
break;
}
$url = rtrim(substr($url, 0, $pos), '/');
}
$GLOBALS['w3tc_blogmap_register_new_item'] = $start_url;
return null;
}
}
function action_payment_code()
{
$request_type = Util_Request::get_string('request_type');
$request_id = date('YmdHi');
$return_url = admin_url('admin.php?page=w3tc_support&request_type=' . $request_type . '&payment=1&request_id=' . $request_id);
$cancel_url = admin_url('admin.php?page=w3tc_dashboard');
$form_values = array("cmd" => "_xclick", "business" => W3TC_PAYPAL_BUSINESS, "item_name" => esc_attr(sprintf('%s: %s (#%s)', ucfirst(Util_Environment::host()), $this->_json_request_types[$request_type], $request_id)), "amount" => sprintf('%.2f', $this->_request_prices[$request_type]), "currency_code" => "USD", "no_shipping" => "1", "rm" => "2", "return" => esc_attr($return_url), "cancel_return" => esc_attr($cancel_url));
echo json_encode($form_values);
die;
}
function cleanup_local()
{
$engine = $this->_config->get_string('pgcache.engine');
switch ($engine) {
case 'file':
$w3_cache_file_cleaner = new Cache_File_Cleaner(array('cache_dir' => Util_Environment::cache_blog_dir('page'), 'clean_timelimit' => $this->_config->get_integer('timelimit.cache_gc')));
$w3_cache_file_cleaner->clean();
break;
case 'file_generic':
if (Util_Environment::blog_id() == 0) {
$flush_dir = W3TC_CACHE_PAGE_ENHANCED_DIR;
} else {
$flush_dir = W3TC_CACHE_PAGE_ENHANCED_DIR . '/' . Util_Environment::host();
}
$w3_cache_file_cleaner_generic = new Cache_File_Cleaner_Generic(array('exclude' => array('.htaccess'), 'cache_dir' => $flush_dir, 'expire' => $this->_config->get_integer('browsercache.html.lifetime'), 'clean_timelimit' => $this->_config->get_integer('timelimit.cache_gc')));
$w3_cache_file_cleaner_generic->clean();
break;
}
}
public static function w3tc_extensions($extensions, $config)
{
global $current_user;
$message = array();
$message[] = 'CloudFlare';
$cloudflare_signup_email = '';
$cloudflare_signup_user = '';
if (is_a($current_user, 'WP_User')) {
if ($current_user->user_email) {
$cloudflare_signup_email = $current_user->user_email;
}
if ($current_user->user_login && $current_user->user_login != 'admin') {
$cloudflare_signup_user = $current_user->user_login;
}
}
$extensions['cloudflare'] = array('name' => 'CloudFlare', 'author' => 'W3 EDGE', 'description' => sprintf(__('CloudFlare protects and accelerates websites. <a href="%s" target="_blank">Sign up now for free</a> to get started,
or if you have an account simply log in to obtain your <abbr title="Application Programming Interface">API</abbr> key from the <a target="_blank" href="https://www.cloudflare.com/my-account">account page</a> to enter it on the General Settings box that appears after plugin activation.
Contact the CloudFlare <a href="http://www.cloudflare.com/help.html" target="_blank">support team</a> with any questions.', 'w3-total-cache'), 'https://www.cloudflare.com/sign-up.html?affiliate=w3edge&seed_domain=' . Util_Environment::host() . '&email=' . htmlspecialchars($cloudflare_signup_email) . '&username='******'author_uri' => 'https://www.w3-edge.com/', 'extension_uri' => 'https://www.w3-edge.com/', 'extension_id' => 'cloudflare', 'settings_exists' => true, 'version' => '0.3', 'enabled' => true, 'requirements' => implode(', ', $message), 'path' => 'w3-total-cache/Extension_CloudFlare_Plugin.php');
return $extensions;
}
public function redirect_on_foreign_domain()
{
$request_host = Util_Environment::host();
// host not known, potentially we are in console mode not http request
if (empty($request_host)) {
return;
}
$home_url = get_home_url();
$parsed_url = @parse_url($home_url);
if (isset($parsed_url['host']) && strtolower($parsed_url['host']) != strtolower($request_host)) {
$redirect_url = $parsed_url['scheme'] . '://';
if (!empty($parsed_url['user'])) {
$redirect_url .= $parsed_url['user'];
if (!empty($parsed_url['pass'])) {
$redirect_url .= ':' . $parsed_url['pass'];
}
}
if (!empty($parsed_url['host'])) {
$redirect_url .= $parsed_url['host'];
}
if (!empty($parsed_url['port']) && $parsed_url['port'] != 80) {
$redirect_url .= ':' . (int) $parsed_url['port'];
}
$redirect_url .= $_SERVER['REQUEST_URI'];
//echo $redirect_url;
wp_redirect($redirect_url, 301);
exit;
}
}
/**
* Send E-mail notification when error occurred
*
* @return boolean
*/
function _send_notification()
{
$from_email = 'wordpress@' . Util_Environment::host();
$from_name = wp_specialchars_decode(get_option('blogname'), ENT_QUOTES);
$to_name = $to_email = get_option('admin_email');
$body = @file_get_contents(W3TC_INC_DIR . '/email/minify_error_notification.php');
$headers = array(sprintf('From: "%s" <%s>', addslashes($from_name), $from_email), sprintf('Reply-To: "%s" <%s>', addslashes($to_name), $to_email), 'Content-Type: text/html; charset=utf-8');
@set_time_limit($this->_config->get_integer('timelimit.email_send'));
$result = @wp_mail($to_email, 'W3 Total Cache Error Notification', $body, implode("\n", $headers));
return $result;
}
/**
* Returns cache object
*
* @return W3_Cache_Base
*/
function _get_cache()
{
static $cache = array();
if (!isset($cache[0])) {
$engine = $this->_config->get_string('dbcache.engine');
switch ($engine) {
case 'memcached':
$engineConfig = array('servers' => $this->_config->get_array('dbcache.memcached.servers'), 'persistent' => $this->_config->get_boolean('dbcache.memcached.persistent'), 'aws_autodiscovery' => $this->_config->get_boolean('dbcache.memcached.aws_autodiscovery'), 'username' => $this->_config->get_boolean('dbcache.memcached.username'), 'password' => $this->_config->get_boolean('dbcache.memcached.password'));
break;
case 'redis':
$engineConfig = array('servers' => $this->_config->get_array('dbcache.redis.servers'), 'persistent' => $this->_config->get_boolean('dbcache.redis.persistent'), 'dbid' => $this->_config->get_boolean('dbcache.redis.dbid'), 'password' => $this->_config->get_boolean('dbcache.redis.password'));
break;
case 'file':
$engineConfig = array('use_wp_hash' => true, 'section' => 'db', 'locking' => $this->_config->get_boolean('dbcache.file.locking'), 'flush_timelimit' => $this->_config->get_integer('timelimit.cache_flush'));
break;
default:
$engineConfig = array();
}
$engineConfig['module'] = 'dbcache';
$engineConfig['host'] = Util_Environment::host();
$engineConfig['instance_id'] = Util_Environment::instance_id();
$cache[0] = Cache::instance($engine, $engineConfig);
}
return $cache[0];
}
/**
* Returns server info
*
* @return array
*/
private function get_server_info()
{
global $wp_version, $wp_db_version, $wpdb;
$wordpress_plugins = get_plugins();
$wordpress_plugins_active = array();
foreach ($wordpress_plugins as $wordpress_plugin_file => $wordpress_plugin) {
if (is_plugin_active($wordpress_plugin_file)) {
$wordpress_plugins_active[$wordpress_plugin_file] = $wordpress_plugin;
}
}
$mysql_version = $wpdb->get_var('SELECT VERSION()');
$mysql_variables_result = (array) $wpdb->get_results('SHOW VARIABLES', ARRAY_N);
$mysql_variables = array();
foreach ($mysql_variables_result as $mysql_variables_row) {
$mysql_variables[$mysql_variables_row[0]] = $mysql_variables_row[1];
}
$server_info = array('w3tc' => array('version' => W3TC_VERSION, 'server' => !empty($_SERVER['SERVER_SOFTWARE']) ? $_SERVER['SERVER_SOFTWARE'] : 'Unknown', 'dir' => W3TC_DIR, 'cache_dir' => W3TC_CACHE_DIR, 'blog_id' => Util_Environment::blog_id(), 'home_domain_root_url' => Util_Environment::home_domain_root_url(), 'home_url_maybe_https' => Util_Environment::home_url_maybe_https(), 'site_path' => Util_Environment::site_path(), 'document_root' => Util_Environment::document_root(), 'site_root' => Util_Environment::site_root(), 'site_url_uri' => Util_Environment::site_url_uri(), 'home_url_host' => Util_Environment::home_url_host(), 'home_url_uri' => Util_Environment::home_url_uri(), 'network_home_url_uri' => Util_Environment::network_home_url_uri(), 'host_port' => Util_Environment::host_port(), 'host' => Util_Environment::host(), 'wp_config_path' => Util_Environment::wp_config_path()), 'wp' => array('version' => $wp_version, 'db_version' => $wp_db_version, 'abspath' => ABSPATH, 'home' => get_option('home'), 'siteurl' => get_option('siteurl'), 'email' => get_option('admin_email'), 'upload_info' => (array) Util_Http::upload_info(), 'theme' => Util_Theme::get_current_theme(), 'wp_cache' => defined('WP_CACHE') && WP_CACHE ? 'true' : 'false', 'plugins' => $wordpress_plugins_active), 'mysql' => array('version' => $mysql_version, 'variables' => $mysql_variables));
return $server_info;
}
/**
* Returns cache object
*
* @param null $blog_id
* @param string $group
* @return W3_Cache_Base
*/
function _get_cache($global = false)
{
static $cache = array();
if (!$global) {
$blog_id = $this->_blog_id;
} else {
$blog_id = 0;
}
if (!isset($cache[$blog_id])) {
$engine = $this->_config->get_string(array('fragmentcache', 'engine'));
switch ($engine) {
case 'memcached':
$engineConfig = array('servers' => $this->_config->get_array(array('fragmentcache', 'memcached.servers')), 'persistent' => $this->_config->get_boolean(array('fragmentcache', 'memcached.persistent')), 'aws_autodiscovery' => $this->_config->get_boolean(array('fragmentcache', 'memcached.aws_autodiscovery')), 'username' => $this->_config->get_boolean(array('fragmentcache', 'memcached.username')), 'password' => $this->_config->get_boolean(array('fragmentcache', 'memcached.password')));
break;
case 'redis':
$engineConfig = array('servers' => $this->_config->get_array(array('fragmentcache', 'redis.servers')), 'persistent' => $this->_config->get_boolean(array('fragmentcache', 'redis.persistent')), 'dbid' => $this->_config->get_boolean(array('fragmentcache', 'redis.dbid')), 'password' => $this->_config->get_boolean(array('fragmentcache', 'redis.password')));
break;
case 'file':
$engineConfig = array('section' => 'fragment', 'locking' => $this->_config->get_boolean(array('fragmentcache', 'file.locking')), 'flush_timelimit' => $this->_config->get_integer('timelimit.cache_flush'));
break;
default:
$engineConfig = array();
}
$engineConfig['blog_id'] = $blog_id;
$engineConfig['module'] = 'fragmentcache';
$engineConfig['host'] = Util_Environment::host();
$engineConfig['instance_id'] = Util_Environment::instance_id();
$cache[$blog_id] = Cache::instance($engine, $engineConfig);
}
return $cache[$blog_id];
}
/**
* Flush cache based on regex
*
* @param string $regex
*/
private function _flush_based_on_regex($regex)
{
if (Util_Environment::is_wpmu() && !Util_Environment::is_wpmu_subdomain()) {
$domain = get_home_url();
$parsed = parse_url($domain);
$host = $parsed['host'];
$path = isset($parsed['path']) ? '/' . trim($parsed['path'], '/') : '';
$flush_dir = W3TC_CACHE_PAGE_ENHANCED_DIR . '/' . $host . $path;
} else {
$flush_dir = W3TC_CACHE_PAGE_ENHANCED_DIR . '/' . Util_Environment::host();
}
$dir = @opendir($flush_dir);
if ($dir) {
while (($entry = @readdir($dir)) !== false) {
if ($entry == '.' || $entry == '..') {
continue;
}
if (preg_match('/' . $regex . '/', basename($entry))) {
Util_File::rmdir($flush_dir . DIRECTORY_SEPARATOR . $entry);
}
}
@closedir($dir);
}
}
/**
* Parses path
*
* @param string $path
* @return mixed
*/
public static function parse_path($path)
{
$path = str_replace(array('%BLOG_ID%', '%POST_ID%', '%BLOG_ID%', '%HOST%'), array(isset($GLOBALS['blog_id']) ? (int) $GLOBALS['blog_id'] : 0, isset($GLOBALS['post_id']) ? (int) $GLOBALS['post_id'] : 0, Util_Environment::blog_id(), Util_Environment::host()), $path);
return $path;
}
/**
* Returns cache object
*
* @param int|null $blog_id
* @param string $group
* @return W3_Cache_Base
*/
function _get_cache($blog_id = null, $group = '')
{
static $cache = array();
if (is_null($blog_id) && !in_array($group, $this->global_groups)) {
$blog_id = $this->_blog_id;
} elseif (is_null($blog_id)) {
$blog_id = 0;
}
if (!isset($cache[$blog_id])) {
$engine = $this->_config->get_string('objectcache.engine');
switch ($engine) {
case 'memcached':
$engineConfig = array('servers' => $this->_config->get_array('objectcache.memcached.servers'), 'persistent' => $this->_config->get_boolean('objectcache.memcached.persistent'), 'aws_autodiscovery' => $this->_config->get_boolean('objectcache.memcached.aws_autodiscovery'), 'username' => $this->_config->get_boolean('objectcache.memcached.username'), 'password' => $this->_config->get_boolean('objectcache.memcached.password'));
break;
case 'redis':
$engineConfig = array('servers' => $this->_config->get_array('objectcache.redis.servers'), 'persistent' => $this->_config->get_boolean('objectcache.redis.persistent'), 'dbid' => $this->_config->get_boolean('objectcache.redis.dbid'), 'password' => $this->_config->get_boolean('objectcache.redis.password'));
break;
case 'file':
$engineConfig = array('section' => 'object', 'locking' => $this->_config->get_boolean('objectcache.file.locking'), 'flush_timelimit' => $this->_config->get_integer('timelimit.cache_flush'));
break;
default:
$engineConfig = array();
}
$engineConfig['blog_id'] = $blog_id;
$engineConfig['module'] = 'object';
$engineConfig['host'] = Util_Environment::host();
$engineConfig['instance_id'] = Util_Environment::instance_id();
$cache[$blog_id] = Cache::instance($engine, $engineConfig);
}
return $cache[$blog_id];
}
/**
* Returns cache object
*
* @return W3_Cache_Base
*/
function _get_cache()
{
static $cache = null;
if (is_null($cache)) {
$engine = $this->_config->get_string('pgcache.engine');
switch ($engine) {
case 'memcached':
$engineConfig = array('servers' => $this->_config->get_array('pgcache.memcached.servers'), 'persistent' => $this->_config->get_boolean('pgcache.memcached.persistent'), 'aws_autodiscovery' => $this->_config->get_boolean('pgcache.memcached.aws_autodiscovery'), 'username' => $this->_config->get_boolean('pgcache.memcached.username'), 'password' => $this->_config->get_boolean('pgcache.memcached.password'));
break;
case 'redis':
$engineConfig = array('servers' => $this->_config->get_array('pgcache.redis.servers'), 'persistent' => $this->_config->get_boolean('pgcache.redis.persistent'), 'dbid' => $this->_config->get_boolean('pgcache.redis.dbid'), 'password' => $this->_config->get_boolean('pgcache.redis.password'));
break;
case 'file':
$engineConfig = array('section' => 'page', 'flush_parent' => Util_Environment::blog_id() == 0, 'locking' => $this->_config->get_boolean('pgcache.file.locking'), 'flush_timelimit' => $this->_config->get_integer('timelimit.cache_flush'));
break;
case 'file_generic':
if (Util_Environment::blog_id() == 0) {
$flush_dir = W3TC_CACHE_PAGE_ENHANCED_DIR;
} else {
$flush_dir = W3TC_CACHE_PAGE_ENHANCED_DIR . '/' . Util_Environment::host();
}
$engineConfig = array('exclude' => array('.htaccess'), 'expire' => $this->_lifetime, 'cache_dir' => W3TC_CACHE_PAGE_ENHANCED_DIR, 'locking' => $this->_config->get_boolean('pgcache.file.locking'), 'flush_timelimit' => $this->_config->get_integer('timelimit.cache_flush'), 'flush_dir' => $flush_dir);
break;
default:
$engineConfig = array();
}
$engineConfig['use_expired_data'] = true;
$engineConfig['module'] = 'pgcache';
$engineConfig['host'] = '';
// host is always put to a key
$engineConfig['instance_id'] = Util_Environment::instance_id();
$cache = Cache::instance($engine, $engineConfig);
}
return $cache;
}
