/**
* Fixes environment once event occurs
*
* @param W3_Config $config
* @param string $event
* @param W3_Config|null $old_config
* @throws SelfTestExceptions
**/
public function fix_on_event($config, $event, $old_config = null)
{
if ($config->get_boolean('cdn.enabled') && !w3_is_cdn_mirror($config->get_string('cdn.engine'))) {
if ($old_config != null && $config->get_integer('cdn.queue.interval') != $old_config->get_integer('cdn.queue.interval')) {
$this->unschedule_queue_process();
}
if (!wp_next_scheduled('w3_cdn_cron_queue_process')) {
wp_schedule_event(current_time('timestamp'), 'w3_cdn_cron_queue_process', 'w3_cdn_cron_queue_process');
}
} else {
$this->unschedule_queue_process();
}
if ($config->get_boolean('cdn.enabled') && $config->get_boolean('cdn.autoupload.enabled') && !w3_is_cdn_mirror($config->get_string('cdn.engine'))) {
if ($old_config != null && $config->get_integer('cdn.autoupload.interval') != $old_config->get_integer('cdn.autoupload.interval')) {
$this->unschedule_upload();
}
if (!wp_next_scheduled('w3_cdn_cron_upload')) {
wp_schedule_event(current_time('timestamp'), 'w3_cdn_cron_upload', 'w3_cdn_cron_upload');
}
} else {
$this->unschedule_upload();
}
$exs = new SelfTestExceptions();
if ($config->get_boolean('cdn.enabled')) {
try {
$this->table_create($event == 'activate');
} catch (Exception $ex) {
$exs->push($ex);
}
}
if (count($exs->exceptions()) > 0) {
throw $exs;
}
}
/**
* PHP5-style constructor
*/
function __construct()
{
$this->_config = w3_instance('W3_Config');
$this->_debug = $this->_config->get_boolean('varnish.debug');
$this->_servers = $this->_config->get_array('varnish.servers');
$this->_timeout = $this->_config->get_integer('timelimit.varnish_purge');
}
/**
* PHP5 Constructor
*/
function __construct()
{
require_once W3TC_LIB_W3_DIR . '/Config.php';
$this->_config =& W3_Config::instance();
$this->_debug = $this->_config->get_boolean('pgcache.debug');
$this->_lifetime = $this->_config->get_integer('pgcache.lifetime');
$this->_enhanced_mode = $this->_config->get_string('pgcache.engine') == 'file_pgcache';
}
/**
* PHP5 constructor
*
* @param string $dbuser
* @param string $dbpassword
* @param string $dbname
* @param string $dbhost
*/
function __construct($dbuser, $dbpassword, $dbname, $dbhost)
{
require_once W3TC_LIB_W3_DIR . '/Config.php';
$this->_config =& W3_Config::instance();
$this->_lifetime = $this->_config->get_integer('dbcache.lifetime');
if ($this->_config->get_boolean('dbcache.enabled') && $this->_config->get_boolean('dbcache.debug')) {
ob_start(array(&$this, 'ob_callback'));
}
parent::__construct($dbuser, $dbpassword, $dbname, $dbhost);
}
/**
* Create container action
*
* @return void
*/
function action_cdn_create_container()
{
w3_require_once(W3TC_LIB_W3_DIR . '/Request.php');
w3_require_once(W3TC_LIB_W3_DIR . '/Cdn.php');
$engine = W3_Request::get_string('engine');
$config = W3_Request::get_array('config');
$config = array_merge($config, array('debug' => false));
$result = false;
$error = __('Incorrect type.', 'w3-total-cache');
$container_id = '';
switch ($engine) {
case 's3':
case 'cf':
case 'cf2':
case 'rscf':
case 'azure':
$result = true;
break;
}
if ($result) {
$w3_cdn = W3_Cdn::instance($engine, $config);
@set_time_limit($this->_config->get_integer('timelimit.cdn_container_create'));
if ($w3_cdn->create_container($container_id, $error)) {
$result = true;
$error = __('Created successfully.', 'w3-total-cache');
} else {
$result = false;
$error = sprintf(__('Error: %s', 'w3-total-cache'), $error);
}
}
$response = array('result' => $result, 'error' => $error, 'container_id' => $container_id);
echo json_encode($response);
}
/**
* Returns cache object
*
* @param null $blog_id
* @param string $group
* @return W3_Cache_Base
*/
function _get_cache($blog_id = null, $group = 'transient')
{
static $cache = array();
if (is_null($blog_id) && $group != 'site-transient') {
$blog_id = $this->_blog_id;
} else {
$blog_id = 0;
}
if (!isset($cache[$blog_id])) {
$engine = $this->_config->get_string('fragmentcache.engine');
switch ($engine) {
case 'memcached':
$engineConfig = array('servers' => $this->_config->get_array('fragmentcache.memcached.servers'), 'persistant' => $this->_config->get_boolean('fragmentcache.memcached.persistant'));
break;
case 'file':
$engineConfig = array('section' => 'fragment', 'locking' => $this->_config->get_boolean('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'] = w3_get_host();
$engineConfig['instance_id'] = w3_get_instance_id();
w3_require_once(W3TC_LIB_W3_DIR . '/Cache.php');
$cache[$blog_id] = W3_Cache::instance($engine, $engineConfig);
}
return $cache[$blog_id];
}
/**
* Precaches external file
*
* @param string $url
* @param string $type
* @return string
*/
function _precache_file($url, $type)
{
$lifetime = $this->_config->get_integer('minify.lifetime');
$file_path = sprintf('%s/minify_%s.%s', W3TC_CACHE_FILE_MINIFY_DIR, md5($url), $type);
$file_exists = file_exists($file_path);
if (file_exists($file_path) && @filemtime($file_path) >= time() - $lifetime) {
return $this->_get_minify_source($file_path, $url);
}
if (is_dir(W3TC_CACHE_FILE_MINIFY_DIR)) {
if ($file_data = w3_url_get($url)) {
if ($fp = @fopen($file_path, 'w')) {
@fputs($fp, $file_data);
@fclose($fp);
return $this->_get_minify_source($file_path, $url);
} else {
$this->log(sprintf('Unable to open file %s for writing', $file_path));
}
} else {
$this->log(sprintf('Unable to download URL: %s', $url));
}
} else {
$this->log(sprintf('The cache directory %s does not exist', W3TC_CACHE_FILE_MINIFY_DIR));
}
return $file_exists ? $this->_get_minify_source($file_path, $url) : false;
}
/**
* Send E-mail notification when error occurred
*
* @return boolean
*/
function _send_notification()
{
$from_email = 'wordpress@' . w3_get_domain($_SERVER['SERVER_NAME']);
$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 minifier options
*
* @param string $engine
* @return array
*/
function get_options($engine)
{
$options = array();
switch ($engine) {
case 'js':
$options = array('preserveComments' => !$this->_config->get_boolean('minify.js.strip.comments'), 'stripCrlf' => $this->_config->get_boolean('minify.js.strip.crlf'));
break;
case 'css':
$options = array('preserveComments' => !$this->_config->get_boolean('minify.css.strip.comments'), 'stripCrlf' => $this->_config->get_boolean('minify.css.strip.crlf'));
$symlinks = $this->_config->get_array('minify.symlinks');
foreach ($symlinks as $link => $target) {
$link = str_replace('//', realpath($_SERVER['DOCUMENT_ROOT']), $link);
$link = strtr($link, '/', DIRECTORY_SEPARATOR);
$options['symlinks'][$link] = realpath($target);
}
break;
case 'yuijs':
$options = array('line-break' => $this->_config->get_integer('minify.yuijs.options.line-break'), 'nomunge' => $this->_config->get_boolean('minify.yuijs.options.nomunge'), 'preserve-semi' => $this->_config->get_boolean('minify.yuijs.options.preserve-semi'), 'disable-optimizations' => $this->_config->get_boolean('minify.yuijs.options.disable-optimizations'));
break;
case 'yuicss':
$options = array('line-break' => $this->_config->get_integer('minify.yuicss.options.line-break'));
break;
case 'ccjs':
$options = array('compilation_level' => $this->_config->get_string('minify.ccjs.options.compilation_level'), 'formatting' => $this->_config->get_string('minify.ccjs.options.formatting'));
break;
case 'csstidy':
$options = array('remove_bslash' => $this->_config->get_boolean('minify.csstidy.options.remove_bslash'), 'compress_colors' => $this->_config->get_boolean('minify.csstidy.options.compress_colors'), 'compress_font-weight' => $this->_config->get_boolean('minify.csstidy.options.compress_font-weight'), 'lowercase_s' => $this->_config->get_boolean('minify.csstidy.options.lowercase_s'), 'optimise_shorthands' => $this->_config->get_integer('minify.csstidy.options.optimise_shorthands'), 'remove_last_;' => $this->_config->get_boolean('minify.csstidy.options.remove_last_;'), 'case_properties' => $this->_config->get_integer('minify.csstidy.options.case_properties'), 'sort_properties' => $this->_config->get_boolean('minify.csstidy.options.sort_properties'), 'sort_selectors' => $this->_config->get_boolean('minify.csstidy.options.sort_selectors'), 'merge_selectors' => $this->_config->get_integer('minify.csstidy.options.merge_selectors'), 'discard_invalid_properties' => $this->_config->get_boolean('minify.csstidy.options.discard_invalid_properties'), 'css_level' => $this->_config->get_string('minify.csstidy.options.css_level'), 'preserve_css' => $this->_config->get_boolean('minify.csstidy.options.preserve_css'), 'timestamp' => $this->_config->get_boolean('minify.csstidy.options.timestamp'), 'template' => $this->_config->get_string('minify.csstidy.options.template'));
break;
case 'html':
case 'htmlxml':
$options = array('xhtml' => true, 'stripCrlf' => $this->_config->get_boolean('minify.html.strip.crlf'), 'ignoredComments' => $this->_config->get_array('minify.html.comments.ignore'));
break;
case 'htmltidy':
case 'htmltidyxml':
$options = array('clean' => $this->_config->get_boolean('minify.htmltidy.options.clean'), 'hide-comments' => $this->_config->get_boolean('minify.htmltidy.options.hide-comments'), 'wrap' => $this->_config->get_integer('minify.htmltidy.options.wrap'));
break;
}
if ($this->_config->get_boolean('browsercache.enabled') && ($this->_config->get_boolean('browsercache.cssjs.replace') || $this->_config->get_boolean('browsercache.html.replace') || $this->_config->get_boolean('browsercache.other.replace'))) {
$w3_plugin_browsercache = w3_instance('W3_Plugin_BrowserCache');
$options = array_merge($options, array('browserCacheId' => $w3_plugin_browsercache->get_replace_id(), 'browserCacheExtensions' => $w3_plugin_browsercache->get_replace_extensions()));
}
if ($this->_config->get_boolean('cdn.enabled') && $this->_config->get_boolean('cdn.minify.enable')) {
$w3_plugin_cdn = w3_instance('W3_Plugin_CdnCommon');
$cdn = $w3_plugin_cdn->get_cdn();
$options = array_merge($options, array('prependAbsolutePathCallback' => array(&$cdn, 'get_prepend_path')));
}
return $options;
}
/**
* @param $cf_values
* @return bool
*/
public function save_settings($cf_values)
{
@set_time_limit($this->_config->get_integer('timelimit.cloudflare_api_request'));
ksort($cf_values);
$cf_values = $this->_cleanup_settings($cf_values);
foreach ($cf_values as $key => $settings) {
if ($settings['old'] != $settings['new']) {
$response = $this->api_request($key, $settings['new']);
if (!$response || $response && $response->result != 'success') {
return false;
}
}
}
delete_transient('w3tc_cloudflare_settings');
return true;
}
/**
* Precaches external file
*
* @param string $url
* @param string $type
* @return string
*/
function _precache_file($url, $type)
{
$lifetime = $this->_config->get_integer('minify.lifetime');
$file_path = sprintf('%s/minify_%s.%s', W3TC_CACHE_FILE_MINIFY_DIR, md5($url), $type);
$file_exists = file_exists($file_path);
if ($file_exists && @filemtime($file_path) >= time() - $lifetime) {
return $this->_get_minify_source($file_path, $url);
}
if (is_dir(W3TC_CACHE_FILE_MINIFY_DIR)) {
if (w3_download($url, $file_path) !== false) {
return $this->_get_minify_source($file_path, $url);
} else {
$this->log(sprintf('Unable to download URL: %s', $url));
}
} else {
$this->log(sprintf('The cache directory %s does not exist', W3TC_CACHE_FILE_MINIFY_DIR));
}
return $file_exists ? $this->_get_minify_source($file_path, $url) : false;
}
/**
* 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'), 'persistant' => $this->_config->get_boolean('dbcache.memcached.persistant'));
break;
case 'file':
$engineConfig = array('cache_dir' => W3TC_CACHE_FILE_DBCACHE_DIR, 'locking' => $this->_config->get_boolean('dbcache.file.locking'), 'flush_timelimit' => $this->_config->get_integer('timelimit.cache_flush'));
break;
default:
$engineConfig = array();
}
require_once W3TC_LIB_W3_DIR . '/Cache.php';
$cache[0] =& W3_Cache::instance($engine, $engineConfig);
}
return $cache[0];
}
/**
* 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'), 'persistant' => $this->_config->get_boolean('dbcache.memcached.persistant'));
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'] = w3_get_host();
$engineConfig['instance_id'] = w3_get_instance_id();
w3_require_once(W3TC_LIB_W3_DIR . '/Cache.php');
$cache[0] = W3_Cache::instance($engine, $engineConfig);
}
return $cache[0];
}
/**
* Sends headers
* @param boolean $is_404
* @param string $etag
* @param integer $time
* @param string $compression
* @param array $custom_headers
* @return boolean
*/
function _send_headers($is_404, $time, $etag, $compression, $custom_headers = array())
{
$exit = false;
$headers = array();
$curr_time = time();
$bc_lifetime = $this->_config->get_integer('browsercache.html.lifetime');
$expires = (is_null($time) ? $curr_time : $time) + $bc_lifetime;
$max_age = $expires > $curr_time ? $expires - $curr_time : 0;
if ($is_404) {
/**
* Add 404 header
*/
$headers = array_merge($headers, array('Status' => 'HTTP/1.1 404 Not Found'));
} elseif (!is_null($time) && $this->_check_modified_since($time) || $this->_check_match($etag)) {
/**
* Add 304 header
*/
$headers = array_merge($headers, array('Status' => 'HTTP/1.1 304 Not Modified'));
/**
* Don't send content if it isn't modified
*/
$exit = true;
}
if ($this->_config->get_boolean('browsercache.enabled')) {
if ($this->_config->get_boolean('browsercache.html.last_modified')) {
$headers = array_merge($headers, array('Last-Modified' => w3_http_date($time)));
}
if ($this->_config->get_boolean('browsercache.html.expires')) {
$headers = array_merge($headers, array('Expires' => w3_http_date($expires)));
}
if ($this->_config->get_boolean('browsercache.html.cache.control')) {
switch ($this->_config->get_string('browsercache.html.cache.policy')) {
case 'cache':
$headers = array_merge($headers, array('Pragma' => 'public', 'Cache-Control' => 'public'));
break;
case 'cache_public_maxage':
$headers = array_merge($headers, array('Pragma' => 'public', 'Cache-Control' => sprintf('max-age=%d, public', $max_age)));
break;
case 'cache_validation':
$headers = array_merge($headers, array('Pragma' => 'public', 'Cache-Control' => 'public, must-revalidate, proxy-revalidate'));
break;
case 'cache_noproxy':
$headers = array_merge($headers, array('Pragma' => 'public', 'Cache-Control' => 'private, must-revalidate'));
break;
case 'cache_maxage':
$headers = array_merge($headers, array('Pragma' => 'public', 'Cache-Control' => sprintf('max-age=%d, public, must-revalidate, proxy-revalidate', $max_age)));
break;
case 'no_cache':
$headers = array_merge($headers, array('Pragma' => 'no-cache', 'Cache-Control' => 'max-age=0, private, no-store, no-cache, must-revalidate'));
break;
}
}
if ($this->_config->get_boolean('browsercache.html.etag')) {
$headers = array_merge($headers, array('Etag' => $etag));
}
if ($this->_config->get_boolean('browsercache.html.w3tc')) {
$headers = array_merge($headers, array('X-Powered-By' => W3TC_POWERED_BY));
}
}
$vary = '';
//compressed && UAG
if ($compression && $this->_get_mobile_group()) {
$vary = 'Accept-Encoding,User-Agent,Cookie';
$headers = array_merge($headers, array('Content-Encoding' => $compression));
//compressed
} elseif ($compression) {
$vary = 'Accept-Encoding';
$headers = array_merge($headers, array('Content-Encoding' => $compression));
//uncompressed && UAG
} elseif ($this->_get_mobile_group()) {
$vary = 'User-Agent,Cookie';
}
//Add Cookie to vary if user logged in and not previously set
if (!$this->_check_logged_in() && strpos($vary, 'Cookie') === false) {
if ($vary) {
$vary .= ',Cookie';
} else {
$vary = 'Cookie';
}
}
/**
* Add vary header
*/
if ($vary) {
$headers = array_merge($headers, array('Vary' => $vary));
}
/**
* Add custom headers
*/
$headers = array_merge($headers, $custom_headers);
/**
* Disable caching for preview mode
*/
if (w3_is_preview_mode()) {
$headers = array_merge($headers, array('Pragma' => 'private', 'Cache-Control' => 'private'));
}
/**
* Send headers to client
*/
$result = $this->_headers($headers);
if ($exit) {
exit;
}
return $result;
}
/**
* Generates directives for file cache dir
*
* @param W3_Config $config
* @return string
*/
private function rules_cache_generate_nginx($config)
{
$cache_root = w3_path(W3TC_CACHE_PAGE_ENHANCED_DIR);
$cache_dir = rtrim(str_replace(w3_get_document_root(), '', $cache_root), '/');
if (w3_is_network()) {
$cache_dir = preg_replace('~/w3tc.*?/~', '/w3tc.*?/', $cache_dir, 1);
}
$browsercache = $config->get_boolean('browsercache.enabled');
$compression = $browsercache && $config->get_boolean('browsercache.html.compression');
$expires = $browsercache && $config->get_boolean('browsercache.html.expires');
$lifetime = $browsercache ? $config->get_integer('browsercache.html.lifetime') : 0;
$cache_control = $browsercache && $config->get_boolean('browsercache.html.cache.control');
$w3tc = $browsercache && $config->get_integer('browsercache.html.w3tc');
$common_rules = '';
if ($expires) {
$common_rules .= " expires modified " . $lifetime . "s;\n";
}
if ($w3tc) {
$common_rules .= " add_header X-Powered-By \"" . W3TC_POWERED_BY . "\";\n";
}
if ($compression) {
$common_rules .= " add_header Vary \"Accept-Encoding, Cookie\";\n";
} else {
$common_rules .= " add_header Vary Cookie;\n";
}
if ($cache_control) {
$cache_policy = $config->get_string('browsercache.html.cache.policy');
switch ($cache_policy) {
case 'cache':
$common_rules .= " add_header Pragma \"public\";\n";
$common_rules .= " add_header Cache-Control \"public\";\n";
break;
case 'cache_public_maxage':
$common_rules .= " add_header Pragma \"public\";\n";
$common_rules .= " add_header Cache-Control \"max-age=" . $lifetime . ", public\";\n";
break;
case 'cache_validation':
$common_rules .= " add_header Pragma \"public\";\n";
$common_rules .= " add_header Cache-Control \"public, must-revalidate, proxy-revalidate\";\n";
break;
case 'cache_noproxy':
$common_rules .= " add_header Pragma \"public\";\n";
$common_rules .= " add_header Cache-Control \"private, must-revalidate\";\n";
break;
case 'cache_maxage':
$common_rules .= " add_header Pragma \"public\";\n";
$common_rules .= " add_header Cache-Control \"max-age=" . $lifetime . ", public, must-revalidate, proxy-revalidate\";\n";
break;
case 'no_cache':
$common_rules .= " add_header Pragma \"no-cache\";\n";
$common_rules .= " add_header Cache-Control \"max-age=0, private, no-store, no-cache, must-revalidate\";\n";
break;
}
}
$rules = '';
$rules .= W3TC_MARKER_BEGIN_PGCACHE_CACHE . "\n";
$rules .= "location ~ " . $cache_dir . ".*html\$ {\n";
$rules .= $common_rules;
$rules .= "}\n";
if ($compression) {
$rules .= "location ~ " . $cache_dir . ".*gzip\$ {\n";
$rules .= " gzip off;\n";
$rules .= " types {}\n";
$rules .= " default_type text/html;\n";
$rules .= $common_rules;
$rules .= " add_header Content-Encoding gzip;\n";
$rules .= "}\n";
}
$rules .= W3TC_MARKER_END_PGCACHE_CACHE . "\n";
return $rules;
}
function options()
{
$remove_results = array();
$w3tc_error = array();
w3_require_once(W3TC_INC_DIR . '/functions/activation.php');
$preview = $this->_config->is_preview();
if (w3_is_network() && !$this->is_master()) {
$this->_config_master = new W3_Config(true);
} else {
$this->_config_master = $this->_config;
}
/**
* Check for page cache availability
*/
$wp_config_edit = false;
/**
* Check memcached
*/
$memcaches_errors = array();
if ($this->_config->get_boolean('pgcache.enabled') && $this->_config->get_string('pgcache.engine') == 'memcached') {
$pgcache_memcached_servers = $this->_config->get_array('pgcache.memcached.servers');
if (!$this->is_memcache_available($pgcache_memcached_servers)) {
$memcaches_errors[] = sprintf(__('Page Cache: %s.', 'w3-total-cache'), implode(', ', $pgcache_memcached_servers));
}
}
if ($this->_config->get_boolean('minify.enabled') && $this->_config->get_string('minify.engine') == 'memcached') {
$minify_memcached_servers = $this->_config->get_array('minify.memcached.servers');
if (!$this->is_memcache_available($minify_memcached_servers)) {
$memcaches_errors[] = sprintf(__('Minify: %s.', 'w3-total-cache'), implode(', ', $minify_memcached_servers));
}
}
if ($this->_config->get_boolean('dbcache.enabled') && $this->_config->get_string('dbcache.engine') == 'memcached') {
$dbcache_memcached_servers = $this->_config->get_array('dbcache.memcached.servers');
if (!$this->is_memcache_available($dbcache_memcached_servers)) {
$memcaches_errors[] = sprintf(__('Database Cache: %s.', 'w3-total-cache'), implode(', ', $dbcache_memcached_servers));
}
}
if ($this->_config->get_boolean('objectcache.enabled') && $this->_config->get_string('objectcache.engine') == 'memcached') {
$objectcache_memcached_servers = $this->_config->get_array('objectcache.memcached.servers');
if (!$this->is_memcache_available($objectcache_memcached_servers)) {
$memcaches_errors[] = sprintf(__('Object Cache: %s.', 'w3-total-cache'), implode(', ', $objectcache_memcached_servers));
}
}
if (count($memcaches_errors)) {
$memcache_error = __('The following memcached servers are not responding or not running:</p><ul>', 'w3-total-cache');
foreach ($memcaches_errors as $memcaches_error) {
$memcache_error .= '<li>' . $memcaches_error . '</li>';
}
$memcache_error .= __('</ul><p>This message will automatically disappear once the issue is resolved.', 'w3-total-cache');
$this->_errors[] = $memcache_error;
}
/**
* Check CURL extension
*/
if ($this->_config->get_boolean('notes.no_curl') && $this->_config->get_boolean('cdn.enabled') && !function_exists('curl_init')) {
$this->_notes[] = sprintf(__('The <strong>CURL PHP</strong> extension is not available. Please install it to enable S3 or CloudFront functionality. %s', 'w3-total-cache'), w3_button_hide_note('Hide this message', 'no_curl'));
}
/**
* Check Zlib extension
*/
if ($this->_config->get_boolean('notes.no_zlib') && !function_exists('gzencode')) {
$this->_notes[] = sprintf(__('Unfortunately the PHP installation is incomplete, the <strong>zlib module is missing</strong>. This is a core PHP module. Notify the server administrator. %s', 'w3-total-cache'), w3_button_hide_note(__('Hide this message', 'w3-total-cache'), 'no_zlib'));
}
/**
* Check if Zlib output compression is enabled
*/
if ($this->_config->get_boolean('notes.zlib_output_compression') && w3_zlib_output_compression()) {
$this->_notes[] = sprintf(__('Either the PHP configuration, web server configuration or a script in the WordPress installation has <strong>zlib.output_compression</strong> enabled.<br />Please locate and disable this setting to ensure proper HTTP compression behavior. %s', 'w3-total-cache'), w3_button_hide_note(__('Hide this message', 'w3-total-cache'), 'zlib_output_compression'));
}
/**
* Check wp-content permissions
*/
if (!W3TC_WIN && $this->_config->get_boolean('notes.wp_content_perms')) {
w3_require_once(W3TC_INC_DIR . '/functions/file.php');
$wp_content_mode = w3_get_file_permissions(WP_CONTENT_DIR);
if ($wp_content_mode > 0755) {
$this->_notes[] = sprintf(__('<strong>%s</strong> is write-able. When finished installing the plugin,
change the permissions back to the default: <strong>chmod 755 %s</strong>.
Permissions are currently %s. %s', 'w3-total-cache'), WP_CONTENT_DIR, WP_CONTENT_DIR, base_convert(w3_get_file_permissions(WP_CONTENT_DIR), 10, 8), w3_button_hide_note(__('Hide this message', 'w3-total-cache'), 'wp_content_perms'));
}
}
/**
* Check wp-content permissions
*/
if (!W3TC_WIN && $this->_config->get_boolean('notes.wp_content_changed_perms')) {
$perm = get_transient('w3tc_prev_permission');
$current_perm = w3_get_file_permissions(WP_CONTENT_DIR);
if ($perm && $perm != base_convert($current_perm, 10, 8) && ($current_perm > 0755 || $perm < base_convert($current_perm, 10, 8))) {
$this->_notes[] = sprintf(__('<strong>%s</strong> permissions were changed during the setup process.
Permissions are currently %s.<br />To restore permissions run
<strong>chmod %s %s</strong>. %s', 'w3-total-cache'), WP_CONTENT_DIR, base_convert($current_perm, 10, 8), $perm, WP_CONTENT_DIR, w3_button_hide_note(__('Hide this message', 'w3-total-cache'), 'wp_content_changed_perms'));
}
}
/**
* Check permalinks
*/
if ($this->_config->get_boolean('notes.no_permalink_rules') && ($this->_config->get_boolean('pgcache.enabled') && $this->_config->get_string('pgcache.engine') == 'file_generic' || $this->_config->get_boolean('browsercache.enabled') && $this->_config->get_boolean('browsercache.no404wp')) && !w3_is_permalink_rules()) {
$this->_errors[] = sprintf(__('The required directives for fancy permalinks could not be detected, please confirm they are available: <a href="http://codex.wordpress.org/Using_Permalinks#Creating_and_editing_.28.htaccess.29">Creating and editing</a> %s', 'w3-total-cache'), w3_button_hide_note(__('Hide this message', 'w3-total-cache'), 'no_permalink_rules'));
}
/**
* CDN
*/
if ($this->_config->get_boolean('cdn.enabled')) {
/**
* Check upload settings
*/
$upload_info = w3_upload_info();
if (!$upload_info) {
$upload_path = get_option('upload_path');
$upload_path = trim($upload_path);
if (empty($upload_path)) {
$upload_path = WP_CONTENT_DIR . '/uploads';
$this->_errors[] = sprintf(__('The uploads directory is not available. Default WordPress directories will be created: <strong>%s</strong>.', 'w3-total-cache'), $upload_path);
}
if (!w3_is_multisite()) {
$this->_errors[] = sprintf(__('The uploads path found in the database (%s) is inconsistent with the actual path. Please manually adjust the upload path either in miscellaneous settings or if not using a custom path %s automatically to resolve the issue.', 'w3-total-cache'), $upload_path, w3_button_link(__('update the path', 'w3-total-cache'), wp_nonce_url(sprintf('admin.php?page=%s&w3tc_config_update_upload_path', $this->_page), 'w3tc')));
}
}
/**
* Check CDN settings
*/
$cdn_engine = $this->_config->get_string('cdn.engine');
$error = '';
switch (true) {
case $cdn_engine == 'ftp' && !count($this->_config->get_array('cdn.ftp.domain')):
$this->_errors[] = __('A configuration issue prevents <acronym title="Content Delivery Network">CDN</acronym> from working:
The <strong>"Replace default hostname with"</strong>
field cannot be empty. Enter <acronym
title="Content Delivery Network">CDN</acronym>
provider hostname <a href="?page=w3tc_cdn#configuration">here</a>.
<em>(This is the hostname used in order to view objects
in a browser.)</em>', 'w3-total-cache');
break;
case $cdn_engine == 's3' && ($this->_config->get_string('cdn.s3.key') == '' || $this->_config->get_string('cdn.s3.secret') == '' || $this->_config->get_string('cdn.s3.bucket') == ''):
$error = __('The <strong>"Access key", "Secret key" and "Bucket"</strong> fields cannot be empty.', 'w3-total-cache');
break;
case $cdn_engine == 'cf' && ($this->_config->get_string('cdn.cf.key') == '' || $this->_config->get_string('cdn.cf.secret') == '' || $this->_config->get_string('cdn.cf.bucket') == '' || $this->_config->get_string('cdn.cf.id') == '' && !count($this->_config->get_array('cdn.cf.cname'))):
$error = __('The <strong>"Access key", "Secret key", "Bucket" and "Replace default hostname with"</strong> fields cannot be empty.', 'w3-total-cache');
break;
case $cdn_engine == 'cf2' && ($this->_config->get_string('cdn.cf2.key') == '' || $this->_config->get_string('cdn.cf2.secret') == '' || $this->_config->get_string('cdn.cf2.id') == '' && !count($this->_config->get_array('cdn.cf2.cname'))):
$error = __('The <strong>"Access key", "Secret key" and "Replace default hostname with"</strong> fields cannot be empty.', 'w3-total-cache');
break;
case $cdn_engine == 'rscf' && ($this->_config->get_string('cdn.rscf.user') == '' || $this->_config->get_string('cdn.rscf.key') == '' || $this->_config->get_string('cdn.rscf.container') == '' || !count($this->_config->get_array('cdn.rscf.cname'))):
$error = __('The <strong>"Username", "API key", "Container" and "Replace default hostname with"</strong> fields cannot be empty.', 'w3-total-cache');
break;
case $cdn_engine == 'azure' && ($this->_config->get_string('cdn.azure.user') == '' || $this->_config->get_string('cdn.azure.key') == '' || $this->_config->get_string('cdn.azure.container') == ''):
$error = __('The <strong>"Account name", "Account key" and "Container"</strong> fields cannot be empty.', 'w3-total-cache');
break;
case $cdn_engine == 'mirror' && !count($this->_config->get_array('cdn.mirror.domain')):
$error = __('The <strong>"Replace default hostname with"</strong> field cannot be empty.', 'w3-total-cache');
break;
case $cdn_engine == 'netdna':
$fields = array();
if ($this->_config->get_string('cdn.netdna.authorization_key') == '') {
$fields[] = '"' . __('Authorization key', 'w3-total-cache') . '"';
}
if (!count($this->_config->get_array('cdn.netdna.domain'))) {
$fields[] = '"' . __('Replace default hostname with', 'w3-total-cache') . '"';
}
if ($fields) {
$error = sprintf(__('The <strong>%s</strong> field(s) cannot be empty.', 'w3-total-cache'), implode(__(' and ', 'w3-total-cache'), $fields));
}
if ($this->_config->get_string('cdn.netdna.authorization_key') != '' && sizeof(explode('+', $this->_config->get_string('cdn.netdna.authorization_key'))) != 3) {
$error .= __('The <strong>"Authorization key"</strong> is not correct.', 'w3-total-cache');
} elseif ($this->_config->get_integer('cdn.netdna.zone_id', 0) <= 0) {
$error .= __('You need to select / create a pull zone.', 'w3-total-cache');
}
break;
case $cdn_engine == 'maxcdn':
$fields = array();
if ($this->_config->get_string('cdn.maxcdn.authorization_key') == '') {
$fields[] = '"' . __('Authorization key', 'w3-total-cache') . '"';
}
if (!count($this->_config->get_array('cdn.maxcdn.domain'))) {
$fields[] = '"' . __('Replace default hostname with', 'w3-total-cache') . '"';
}
if ($fields) {
$error = sprintf(__('The <strong>%s</strong> field(s) cannot be empty.', 'w3-total-cache'), implode(__(' and ', 'w3-total-cache'), $fields));
}
if ($this->_config->get_string('cdn.maxcdn.authorization_key') != '' && sizeof(explode('+', $this->_config->get_string('cdn.maxcdn.authorization_key'))) != 3) {
$error .= __('The <strong>"Authorization key"</strong> is not correct.', 'w3-total-cache');
} elseif ($this->_config->get_integer('cdn.maxcdn.zone_id', 0) <= 0) {
$error .= __('You need to select / create a pull zone.', 'w3-total-cache');
}
break;
case $cdn_engine == 'cotendo' && !count($this->_config->get_array('cdn.cotendo.domain')):
$error = __('The <strong>"Replace default hostname with"</strong> field cannot be empty.', 'w3-total-cache');
break;
case $cdn_engine == 'edgecast' && !count($this->_config->get_array('cdn.edgecast.domain')):
$error = __('The <strong>"Replace default hostname with"</strong> field cannot be empty.', 'w3-total-cache');
break;
case $cdn_engine == 'att' && !count($this->_config->get_array('cdn.att.domain')):
$error = __('The <strong>"Replace default hostname with"</strong> field cannot be empty.', 'w3-total-cache');
break;
case $cdn_engine == 'akamai' && !count($this->_config->get_array('cdn.akamai.domain')):
$error = 'The <strong>"Replace default hostname with"</strong> field cannot be empty.';
break;
}
if ($error) {
$this->_errors[] = __('A configuration issue prevents <acronym title="Content Delivery Network">CDN</acronym> from working: ', 'w3-total-cache') . $error . __(' <a href="?page=w3tc_cdn#configuration">Specify it here</a>.', 'w3-total-cache');
}
}
/**
* Preview mode
*/
if ($this->_config->is_preview()) {
$this->_notes[] = sprintf(__('Preview mode is active: Changed settings will not take effect until preview mode is %s or %s.', 'w3-total-cache'), w3_button_link(__('deploy', 'w3-total-cache'), wp_nonce_url(sprintf('admin.php?page=%s&w3tc_config_preview_deploy', $this->_page), 'w3tc')), w3_button_link(__('disable', 'w3-total-cache'), wp_nonce_url(sprintf('admin.php?page=%s&w3tc_config_preview_disable', $this->_page), 'w3tc'))) . '<br /><span class="description">' . sprintf(__('To preview any changed settings (without deploying): %s', 'w3-total-cache'), w3tc_get_preview_link()) . '</span>';
}
/**
*
*/
if ($this->_config->get_boolean('notes.root_rules') && count($this->_rule_errors_root) > 0) {
$this->_rule_errors_root_hide = w3_button_hide_note(__('Hide this message', 'w3-total-cache'), 'root_rules');
} else {
$this->_rule_errors_root = array();
}
$this->_disable_file_operation_notification = $this->_disable_add_in_files_notification || $this->_disable_cache_write_notification;
if (!$this->_disable_file_operation_notification && isset($file_operation_exception) && $file_operation_exception) {
$tech_message = '<ul>';
$core_rules_perms = '';
if (w3_get_file_permissions(w3_get_wp_config_path()) != 0644) {
$core_config_perms = sprintf(__('File permissions are <strong>%s</strong>, however they should be
<strong>644</strong>.', 'w3-total-cache'), base_convert(w3_get_file_permissions(w3_get_wp_config_path()), 10, 8));
} else {
$core_config_perms = sprintf(__('File permissions are <strong>%s</strong>', 'w3-total-cache'), base_convert(w3_get_file_permissions(w3_get_wp_config_path()), 10, 8));
}
if (w3_get_file_permissions(w3_get_pgcache_rules_core_path()) != 0644) {
$core_rules_perms = sprintf(__('File permissions are <strong>%s</strong>, however they should be
<strong>644</strong>.', 'w3-total-cache'), base_convert(w3_get_file_permissions(w3_get_pgcache_rules_core_path()), 10, 8));
} else {
$core_rules_perms = sprintf(__('File permissions are <strong>%s</strong>', 'w3-total-cache'), base_convert(w3_get_file_permissions(w3_get_pgcache_rules_core_path()), 10, 8));
}
$wp_content_perms = '';
if (w3_get_file_permissions(WP_CONTENT_DIR) != 0755) {
$wp_content_perms = sprintf(__('Directory permissions are <strong>%s</strong>, however they should be
<strong>755</strong>.', 'w3-total-cache'), base_convert(w3_get_file_permissions(WP_CONTENT_DIR), 10, 8));
}
$tech_message .= '<li>' . sprintf(__('File: <strong>%s</strong> %s File owner: %s', 'w3-total-cache'), w3_get_wp_config_path(), $core_config_perms, w3_get_file_owner(w3_get_wp_config_path())) . '</li>';
$tech_message .= '<li>' . sprintf(__('File: <strong>%s</strong> %s File owner: %s', 'w3-total-cache'), w3_get_pgcache_rules_core_path(), $core_rules_perms, w3_get_file_owner(w3_get_pgcache_rules_core_path())) . '</li>';
$tech_message .= '<li>' . sprintf(__('Directory: <strong>%s</strong> %s File owner: %s', 'w3-total-cache'), WP_CONTENT_DIR, $wp_content_perms, w3_get_file_owner(WP_CONTENT_DIR)) . '</li>';
$tech_message .= '<li>' . sprintf(__('Owner of current file: %s', 'w3-total-cache'), w3_get_file_owner()) . '</li>';
if (!(w3_get_file_owner() == w3_get_file_owner(w3_get_pgcache_rules_core_path()) && w3_get_file_owner() == w3_get_file_owner(WP_CONTENT_DIR))) {
$tech_message .= __('<li>The files and directories have different ownership, they should have the same ownership.
</li>', 'w3-total-cache');
}
$tech_message .= '</ul>';
$tech_message = '<div class="w3tc-technical-info" style="display:none">' . $tech_message . '</div>';
$w3tc_error[] = sprintf(__('<strong>W3 Total Cache Error:</strong> The plugin tried to edit, %s, but failed.
Files and directories cannot be modified. Please review your
<a target="_blank" href="http://codex.wordpress.org/Changing_File_Permissions">
file permissions</a>. A common cause is %s and %s having different ownership or permissions.
%s %s', 'w3-total-cache'), $wp_config_edit ? w3_get_wp_config_path() : w3_get_pgcache_rules_core_path(), $wp_config_edit ? basename(w3_get_wp_config_path()) : basename(w3_get_pgcache_rules_core_path()), WP_CONTENT_DIR, w3_button(__('View technical information', 'w3-total-cache'), '', 'w3tc-show-technical-info'), $tech_message);
}
/**
* Remove functions results
*/
if ($remove_results) {
foreach ($remove_results as $result) {
$this->_errors = array_merge($this->_errors, $result['errors']);
if (!isset($this->_ftp_form) && isset($result['ftp_form'])) {
$extra_ftp_message = __('Please enter FTP details <a href="#ftp_upload_form">below</a> to remove the disabled modules. ', 'w3-total-cache');
$this->_ftp_form = $result['ftp_form'];
$this->_use_ftp_form = true;
}
}
if (isset($extra_ftp_message)) {
$this->_errors[] = $extra_ftp_message;
}
}
foreach ($w3tc_error as $error) {
array_unshift($this->_errors, $error);
}
if (isset($this->_ftp_form)) {
$this->_use_ftp_form = true;
}
$this->view();
}
/**
* Send support request action
*
* @return void
*/
function action_support_request()
{
w3_require_once(W3TC_LIB_W3_DIR . '/Request.php');
$request_type = W3_Request::get_string('request_type');
$payment = W3_Request::get_boolean('payment');
$request_id = W3_Request::get_string('request_id');
$url = W3_Request::get_string('url');
$name = W3_Request::get_string('name');
$email = W3_Request::get_string('email');
$twitter = W3_Request::get_string('twitter');
$phone = W3_Request::get_string('phone');
$subject = W3_Request::get_string('subject');
$description = W3_Request::get_string('description');
$templates = W3_Request::get_array('templates');
$forum_url = W3_Request::get_string('forum_url');
$wp_login = W3_Request::get_string('wp_login');
$wp_password = W3_Request::get_string('wp_password');
$ftp_host = W3_Request::get_string('ftp_host');
$ftp_login = W3_Request::get_string('ftp_login');
$ftp_password = W3_Request::get_string('ftp_password');
$subscribe_releases = W3_Request::get_string('subscribe_releases');
$subscribe_customer = W3_Request::get_string('subscribe_customer');
$params = array('request_type' => $request_type, 'payment' => $payment, 'url' => $url, 'name' => $name, 'email' => $email, 'twitter' => $twitter, 'phone' => $phone, 'subject' => $subject, 'description' => $description, 'forum_url' => $forum_url, 'wp_login' => $wp_login, 'wp_password' => $wp_password, 'ftp_host' => $ftp_host, 'ftp_login' => $ftp_login, 'ftp_password' => $ftp_password, 'subscribe_releases' => $subscribe_releases, 'subscribe_customer' => $subscribe_customer);
$post = $params;
foreach ($templates as $template_index => $template) {
$template_key = sprintf('templates[%d]', $template_index);
$params[$template_key] = $template;
}
if (!isset($this->_request_types[$request_type])) {
w3_admin_redirect(array_merge($params, array('w3tc_error' => 'support_request_type')), false);
}
$required = array('bug_report' => 'url,name,email,subject,description', 'new_feature' => 'url,name,email,subject,description', 'email_support' => 'url,name,email,subject,description', 'phone_support' => 'url,name,email,subject,description,phone', 'plugin_config' => 'url,name,email,subject,description,wp_login,wp_password', 'theme_config' => 'url,name,email,subject,description,wp_login,wp_password,ftp_host,ftp_login,ftp_password', 'linux_config' => 'url,name,email,subject,description,wp_login,wp_password,ftp_host,ftp_login,ftp_password');
if (strstr($required[$request_type], 'url') !== false && $url == '') {
w3_admin_redirect(array_merge($params, array('w3tc_error' => 'support_request_url')), false);
}
if (strstr($required[$request_type], 'name') !== false && $name == '') {
w3_admin_redirect(array_merge($params, array('w3tc_error' => 'support_request_name')), false);
}
if (strstr($required[$request_type], 'email') !== false && !preg_match('~^[a-z0-9_\\-\\.]+@[a-z0-9-\\.]+\\.[a-z]{2,5}$~', $email)) {
w3_admin_redirect(array_merge($params, array('w3tc_error' => 'support_request_email')), false);
}
if (strstr($required[$request_type], 'phone') !== false && !preg_match('~^[0-9\\-\\.\\ \\(\\)\\+]+$~', $phone)) {
w3_admin_redirect(array_merge($params, array('w3tc_error' => 'support_request_phone')), false);
}
if (strstr($required[$request_type], 'subject') !== false && $subject == '') {
w3_admin_redirect(array_merge($params, array('w3tc_error' => 'support_request_subject')), false);
}
if (strstr($required[$request_type], 'description') !== false && $description == '') {
w3_admin_redirect(array_merge($params, array('w3tc_error' => 'support_request_description')), false);
}
if (strstr($required[$request_type], 'wp_login') !== false && $wp_login == '') {
w3_admin_redirect(array_merge($params, array('w3tc_error' => 'support_request_wp_login')), false);
}
if (strstr($required[$request_type], 'wp_password') !== false && $wp_password == '') {
w3_admin_redirect(array_merge($params, array('w3tc_error' => 'support_request_wp_password')), false);
}
if (strstr($required[$request_type], 'ftp_host') !== false && $ftp_host == '') {
w3_admin_redirect(array_merge($params, array('w3tc_error' => 'support_request_ftp_host')), false);
}
if (strstr($required[$request_type], 'ftp_login') !== false && $ftp_login == '') {
w3_admin_redirect(array_merge($params, array('w3tc_error' => 'support_request_ftp_login')), false);
}
if (strstr($required[$request_type], 'ftp_password') !== false && $ftp_password == '') {
w3_admin_redirect(array_merge($params, array('w3tc_error' => 'support_request_ftp_password')), false);
}
/**
* Add attachments
*/
$attachments = array();
$attach_files = array(w3_get_wp_config_path(), w3_cache_blog_dir('log') . '/minify.log', w3_get_pgcache_rules_core_path(), w3_get_pgcache_rules_cache_path(), w3_get_browsercache_rules_cache_path(), w3_get_browsercache_rules_no404wp_path(), w3_get_minify_rules_core_path(), w3_get_minify_rules_cache_path());
/**
* Attach config files
*/
if ($handle = opendir(W3TC_CONFIG_DIR)) {
while (($entry = @readdir($handle)) !== false) {
if ($entry == '.' || $entry == '..' || $entry == 'index.html') {
continue;
}
$attachments[] = W3TC_CONFIG_DIR . '/' . $entry;
}
closedir($handle);
}
foreach ($attach_files as $attach_file) {
if ($attach_file && file_exists($attach_file) && !in_array($attach_file, $attachments)) {
$attachments[] = $attach_file;
}
}
/**
* Attach server info
*/
$server_info = print_r($this->get_server_info(), true);
$server_info = str_replace("\n", "\r\n", $server_info);
$server_info_path = W3TC_CACHE_TMP_DIR . '/server_info.txt';
if (@file_put_contents($server_info_path, $server_info)) {
$attachments[] = $server_info_path;
}
/**
* Attach phpinfo
*/
ob_start();
phpinfo();
$php_info = ob_get_contents();
ob_end_clean();
$php_info_path = W3TC_CACHE_TMP_DIR . '/php_info.html';
if (@file_put_contents($php_info_path, $php_info)) {
$attachments[] = $php_info_path;
}
/**
* Attach self-test
*/
ob_start();
$this->action_self_test();
$self_test = ob_get_contents();
ob_end_clean();
$self_test_path = W3TC_CACHE_TMP_DIR . '/self_test.html';
if (@file_put_contents($self_test_path, $self_test)) {
$attachments[] = $self_test_path;
}
/**
* Attach templates
*/
foreach ($templates as $template) {
if (!empty($template)) {
$attachments[] = $template;
}
}
/**
* Attach other files
*/
if (!empty($_FILES['files'])) {
$files = (array) $_FILES['files'];
for ($i = 0, $l = count($files); $i < $l; $i++) {
if (isset($files['tmp_name'][$i]) && isset($files['name'][$i]) && isset($files['error'][$i]) && $files['error'][$i] == UPLOAD_ERR_OK) {
$path = W3TC_CACHE_TMP_DIR . '/' . $files['name'][$i];
if (@move_uploaded_file($files['tmp_name'][$i], $path)) {
$attachments[] = $path;
}
}
}
}
$data = array();
if (!empty($wp_login) && !empty($wp_password)) {
$data['WP Admin login'] = $wp_login;
$data['WP Admin password'] = $wp_password;
}
if (!empty($ftp_host) && !empty($ftp_login) && !empty($ftp_password)) {
$data['SSH / FTP host'] = $ftp_host;
$data['SSH / FTP login'] = $ftp_login;
$data['SSH / FTP password'] = $ftp_password;
}
/**
* Store request data for future access
*/
if (count($data)) {
$hash = md5(microtime());
$request_data = get_option('w3tc_request_data', array());
$request_data[$hash] = $data;
update_option('w3tc_request_data', $request_data);
$request_data_url = sprintf('%s/w3tc_request_data/%s', w3_get_home_url(), $hash);
} else {
$request_data_url = '';
}
$nonce = wp_create_nonce('w3tc_support_request');
if (is_network_admin()) {
update_site_option('w3tc_support_request', $nonce);
} else {
update_option('w3tc_support_request', $nonce);
}
$file_access = WP_PLUGIN_URL . '/' . dirname(W3TC_FILE) . '/pub/files.php';
if (w3_get_domain(w3_get_home_url()) != w3_get_domain(w3_get_site_url())) {
$file_access = str_replace(w3_get_domain(w3_get_home_url()), w3_get_domain(w3_get_site_url()), $file_access);
}
$post['file_access'] = $file_access;
$post['nonce'] = $nonce;
$post['request_data_url'] = $request_data_url;
$post['ip'] = $_SERVER['REMOTE_ADDR'];
$post['user_agent'] = $_SERVER['HTTP_USER_AGENT'];
$post['version'] = W3TC_VERSION;
$post['plugin'] = 'W3 Total Cache';
$post['request_id'] = $request_id;
$license_level = 'community';
if (w3_is_pro($this->_config)) {
$license_level = 'pro';
} elseif (w3_is_enterprise($this->_config)) {
$license_level = 'enterprise';
}
$post['license_level'] = $license_level;
$unset = array('wp_login', 'wp_password', 'ftp_host', 'ftp_login', 'ftp_password');
foreach ($unset as $key) {
unset($post[$key]);
}
foreach ($attachments as $attachment) {
if (is_network_admin()) {
update_site_option('attachment_' . md5($attachment), $attachment);
} else {
update_option('attachment_' . md5($attachment), $attachment);
}
}
$post = array_merge($post, array('files' => $attachments));
if (defined('W3_SUPPORT_DEBUG') && W3_SUPPORT_DEBUG) {
$data = sprintf("[%s] Post support request\n", date('r'));
foreach ($post as $key => $value) {
$data .= sprintf("%s => %s\n", $key, is_array($value) ? implode(',', $value) : $value);
}
$filename = w3_cache_blog_dir('log') . '/support.log';
if (!is_dir(dirname($filename))) {
w3_mkdir_from(dirname($filename), W3TC_CACHE_DIR);
}
@file_put_contents($filename, $data, FILE_APPEND);
}
$response = wp_remote_post(W3TC_SUPPORT_REQUEST_URL, array('body' => $post, 'timeout' => $this->_config->get_integer('timelimit.email_send')));
if (defined('W3_SUPPORT_DEBUG') && W3_SUPPORT_DEBUG) {
$filename = w3_cache_blog_dir('log') . '/support.log';
$data = sprintf("[%s] Post response \n%s\n", date('r'), print_r($response, true));
@file_put_contents($filename, $data, FILE_APPEND);
}
if (!is_wp_error($response)) {
$result = $response['response']['code'] == 200 && $response['body'] == 'Ok';
} else {
$result = false;
}
/**
* Remove temporary files
*/
foreach ($attachments as $attachment) {
if (strstr($attachment, W3TC_CACHE_TMP_DIR) !== false) {
@unlink($attachment);
}
if (is_network_admin()) {
delete_site_option('attachment_' . md5($attachment));
} else {
delete_option('attachment_' . md5($attachment));
}
}
if (is_network_admin()) {
delete_site_option('w3tc_support_request');
} else {
delete_option('w3tc_support_request');
}
if ($result) {
w3_admin_redirect(array('tab' => 'general', 'w3tc_note' => 'support_request'), false);
} else {
w3_admin_redirect(array_merge($params, array('request_type' => $request_type, 'w3tc_error' => 'support_request')), false);
}
}
/**
* Generates directives for file cache dir
*
* @param W3_Config $config
* @return string
*/
private function rules_cache_generate_nginx($config)
{
$cache_dir = w3_filename_to_uri(W3TC_CACHE_MINIFY_DIR);
$browsercache = $config->get_boolean('browsercache.enabled');
$compression = $browsercache && $config->get_boolean('browsercache.cssjs.compression');
$expires = $browsercache && $config->get_boolean('browsercache.cssjs.expires');
$lifetime = $browsercache ? $config->get_integer('browsercache.cssjs.lifetime') : 0;
$cache_control = $browsercache && $config->get_boolean('browsercache.cssjs.cache.control');
$w3tc = $browsercache && $config->get_integer('browsercache.cssjs.w3tc');
$rules = '';
$rules .= W3TC_MARKER_BEGIN_MINIFY_CACHE . "\n";
$common_rules = '';
if ($expires) {
$common_rules .= " expires modified " . $lifetime . "s;\n";
}
if ($w3tc) {
$common_rules .= " add_header X-Powered-By \"" . W3TC_POWERED_BY . "\";\n";
}
if ($compression) {
$common_rules .= " add_header Vary \"Accept-Encoding\";\n";
}
if ($cache_control) {
$cache_policy = $config->get_string('browsercache.cssjs.cache.policy');
switch ($cache_policy) {
case 'cache':
$common_rules .= " add_header Pragma \"public\";\n";
$common_rules .= " add_header Cache-Control \"public\";\n";
break;
case 'cache_public_maxage':
$common_rules .= " add_header Pragma \"public\";\n";
$common_rules .= " add_header Cache-Control \"max-age=" . $lifetime . ", public\";\n";
break;
case 'cache_validation':
$common_rules .= " add_header Pragma \"public\";\n";
$common_rules .= " add_header Cache-Control \"public, must-revalidate, proxy-revalidate\";\n";
break;
case 'cache_noproxy':
$common_rules .= " add_header Pragma \"public\";\n";
$common_rules .= " add_header Cache-Control \"private, must-revalidate\";\n";
break;
case 'cache_maxage':
$common_rules .= " add_header Pragma \"public\";\n";
$common_rules .= " add_header Cache-Control \"max-age=" . $lifetime . ", public, must-revalidate, proxy-revalidate\";\n";
break;
case 'no_cache':
$common_rules .= " add_header Pragma \"no-cache\";\n";
$common_rules .= " add_header Cache-Control \"max-age=0, private, no-store, no-cache, must-revalidate\";\n";
break;
}
}
$rules .= "location ~ " . $cache_dir . ".*\\.js\$ {\n";
$rules .= " types {}\n";
$rules .= " default_type application/x-javascript;\n";
$rules .= $common_rules;
$rules .= "}\n";
$rules .= "location ~ " . $cache_dir . ".*\\.css\$ {\n";
$rules .= " types {}\n";
$rules .= " default_type text/css;\n";
$rules .= $common_rules;
$rules .= "}\n";
if ($compression) {
$rules .= "location ~ " . $cache_dir . ".*js\\.gzip\$ {\n";
$rules .= " gzip off;\n";
$rules .= " types {}\n";
$rules .= " default_type application/x-javascript;\n";
$rules .= $common_rules;
$rules .= " add_header Content-Encoding gzip;\n";
$rules .= "}\n";
$rules .= "location ~ " . $cache_dir . ".*css\\.gzip\$ {\n";
$rules .= " gzip off;\n";
$rules .= " types {}\n";
$rules .= " default_type text/css;\n";
$rules .= $common_rules;
$rules .= " add_header Content-Encoding gzip;\n";
$rules .= "}\n";
}
$rules .= W3TC_MARKER_END_MINIFY_CACHE . "\n";
return $rules;
}
/**
* Adds cache rules for type to &$rules
*
* @param W3_Config $config
* @param string $rules
* @param array $mime_types
* @param string $section
* @param boolean $write_location
* @param boolean $cdnftp
* @return void
*/
private function _rules_cache_generate_nginx_for_type($config, &$rules, $mime_types, $section, $write_location = false, $cdnftp = false)
{
$expires = $config->get_boolean('browsercache.' . $section . '.expires');
$cache_control = $config->get_boolean('browsercache.' . $section . '.cache.control');
$w3tc = $config->get_boolean('browsercache.' . $section . '.w3tc');
if ($expires || $cache_control || $w3tc) {
$lifetime = $config->get_integer('browsercache.' . $section . '.lifetime');
$extensions = array_keys($mime_types);
// Remove ext from filesmatch if its the same as permalink extension
$pext = strtolower(pathinfo(get_option('permalink_structure'), PATHINFO_EXTENSION));
if ($pext) {
$extensions = $this->_remove_extension_from_list($extensions, $pext);
}
$rules .= "location ~ \\.(" . implode('|', $extensions) . ")\$ {\n";
if ($expires) {
$rules .= " expires " . $lifetime . "s;\n";
}
if ($cache_control) {
$cache_policy = $config->get_string('browsercache.cssjs.cache.policy');
switch ($cache_policy) {
case 'cache':
$rules .= " add_header Pragma \"public\";\n";
$rules .= " add_header Cache-Control \"public\";\n";
break;
case 'cache_public_maxage':
$rules .= " add_header Pragma \"public\";\n";
$rules .= " add_header Cache-Control \"max-age=" . $lifetime . ", public\";\n";
break;
case 'cache_validation':
$rules .= " add_header Pragma \"public\";\n";
$rules .= " add_header Cache-Control \"public, must-revalidate, proxy-revalidate\";\n";
break;
case 'cache_noproxy':
$rules .= " add_header Pragma \"public\";\n";
$rules .= " add_header Cache-Control \"private, must-revalidate\";\n";
break;
case 'cache_maxage':
$rules .= " add_header Pragma \"public\";\n";
$rules .= " add_header Cache-Control \"max-age=" . $lifetime . ", public, must-revalidate, proxy-revalidate\";\n";
break;
case 'no_cache':
$rules .= " add_header Pragma \"no-cache\";\n";
$rules .= " add_header Cache-Control \"max-age=0, private, no-store, no-cache, must-revalidate\";\n";
break;
}
}
$w3_dispatcher = w3_instance('W3_Dispatcher');
$rules .= $w3_dispatcher->on_browsercache_rules_generation_for_section($config, $cdnftp, $section);
if ($w3tc) {
$rules .= " add_header X-Powered-By \"" . W3TC_POWERED_BY . "\";\n";
}
if ($write_location) {
$rules .= ' try_files $uri $uri/ $uri.html /index.php?$args;' . "\n";
}
$rules .= "}\n";
}
}
/**
* Purges cdn mirror post cache
*
* @param integer $post_id
* @return boolean
*/
function purge_post($post_id)
{
if (!$post_id) {
$post_id = $this->_detect_post_id();
}
if ($post_id) {
$full_urls = array();
$global_urls = array();
$post = null;
$terms = array();
$feeds = $this->_config->get_array('pgcache.purge.feed.types');
$limit_post_pages = $this->_config->get_integer('pgcache.purge.postpages_limit');
if ($this->_config->get_boolean('pgcache.purge.terms') || $this->_config->get_boolean('varnish.pgcache.feed.terms')) {
$taxonomies = get_post_taxonomies($post_id);
$terms = wp_get_post_terms($post_id, $taxonomies);
}
$purge_urls = w3_instance('W3_PageUrls');
switch (true) {
case $this->_config->get_boolean('pgcache.purge.author'):
case $this->_config->get_boolean('pgcache.purge.archive.daily'):
case $this->_config->get_boolean('pgcache.purge.archive.monthly'):
case $this->_config->get_boolean('pgcache.purge.archive.yearly'):
case $this->_config->get_boolean('pgcache.purge.feed.author'):
$post = get_post($post_id);
}
$front_page = get_option('show_on_front');
/**
* Home (Frontpage) URL
*/
if ($this->_config->get_boolean('pgcache.purge.home') && $front_page == 'posts' || $this->_config->get_boolean('pgcache.purge.front_page')) {
$global_urls = array_merge($global_urls, $purge_urls->get_frontpage_urls($limit_post_pages));
}
/**
* Home (Post page) URL
*/
if ($this->_config->get_boolean('pgcache.purge.home') && $front_page != 'posts') {
$global_urls = array_merge($global_urls, $purge_urls->get_postpage_urls($limit_post_pages));
}
/**
* Post URL
*/
if ($this->_config->get_boolean('pgcache.purge.post')) {
$full_urls = array_merge($full_urls, $purge_urls->get_post_urls($post_id));
}
/**
* Post comments URLs
*/
if ($this->_config->get_boolean('pgcache.purge.comments') && function_exists('get_comments_pagenum_link')) {
$full_urls = array_merge($full_urls, $purge_urls->get_post_comments_urls($post_id));
}
/**
* Post author URLs
*/
if ($this->_config->get_boolean('pgcache.purge.author') && $post) {
$full_urls = array_merge($full_urls, $purge_urls->get_post_author_urls($post->post_author, $limit_post_pages));
}
/**
* Post terms URLs
*/
if ($this->_config->get_boolean('pgcache.purge.terms')) {
$full_urls = array_merge($full_urls, $purge_urls->get_post_terms_urls($terms, $limit_post_pages));
}
/**
* Daily archive URLs
*/
if ($this->_config->get_boolean('pgcache.purge.archive.daily') && $post) {
$full_urls = array_merge($full_urls, $purge_urls->get_daily_archive_urls($post, $limit_post_pages));
}
/**
* Monthly archive URLs
*/
if ($this->_config->get_boolean('pgcache.purge.archive.monthly') && $post) {
$full_urls = array_merge($full_urls, $purge_urls->get_montly_archive_urls($post, $limit_post_pages));
}
/**
* Yearly archive URLs
*/
if ($this->_config->get_boolean('pgcache.purge.archive.yearly') && $post) {
$full_urls = array_merge($full_urls, $purge_urls->get_yearly_archive_urls($post, $limit_post_pages));
}
/**
* Feed URLs
*/
if ($this->_config->get_boolean('pgcache.purge.feed.blog')) {
$global_urls = array_merge($global_urls, $purge_urls->get_feed_urls($feeds));
}
if ($this->_config->get_boolean('pgcache.purge.feed.comments')) {
$full_urls = array_merge($full_urls, $purge_urls->get_feed_comments_urls($post_id, $feeds));
}
if ($this->_config->get_boolean('pgcache.purge.feed.author') && $post) {
$full_urls = array_merge($full_urls, $purge_urls->get_feed_author_urls($post->post_author, $feeds));
}
if ($this->_config->get_boolean('pgcache.purge.feed.terms')) {
$full_urls = array_merge($full_urls, $purge_urls->get_feed_terms_urls($terms, $feeds));
}
/**
* Purge selected pages
*/
if ($this->_config->get_array('pgcache.purge.pages')) {
$pages = $this->_config->get_array('pgcache.purge.pages');
$global_urls = array_merge($global_urls, $purge_urls->get_pages_urls($pages));
}
if ($this->_do_flush_global_urls()) {
$full_urls = array_merge($global_urls, $full_urls);
} elseif ($this->_flushes == 0) {
$this->_repeated_urls = $global_urls;
}
/**
* Flush cache
*/
if (count($full_urls)) {
$this->_flushes++;
$w3_plugin_cdncommon = w3_instance('W3_Plugin_CdnCommon');
$results = array();
$files = array();
foreach ($full_urls as $url) {
if (!in_array($url, $this->_repeated_urls) && !in_array($url, $this->_flushed_urls)) {
$parsed = parse_url($url);
$local_site_path = isset($parsed['path']) ? ltrim($parsed['path'], '/') : '';
$remote_path = $w3_plugin_cdncommon->uri_to_cdn_uri($local_site_path);
$files[] = $w3_plugin_cdncommon->build_file_descriptor($local_site_path, $remote_path);
$this->_flushed_urls[] = $url;
} elseif (!in_array($url, $this->_repeated_urls)) {
$this->_repeated_urls[] = $url;
}
}
return $w3_plugin_cdncommon->purge($files, false, $results);
}
}
return false;
}
/**
* Check config file
* @param W3_Config $config
* @param SelfTestExceptions $exs
*/
private function notify_no_config_present($config, $exs)
{
if ($config->own_config_exists() && $config->get_integer('common.instance_id', 0) != 0) {
return;
}
$onclick = 'document.location.href=\'' . addslashes(wp_nonce_url('admin.php?page=w3tc_general&w3tc_save_options')) . '\';';
$button = '<input type="button" class="button w3tc" ' . 'value="save the settings" onclick="' . $onclick . '" />';
$exs->push(new SelfTestFailedException('<strong>W3 Total Cache:</strong> ' . 'Default settings are in use. The configuration file could ' . 'not be read or doesn\'t exist. Please ' . $button . ' to create the file.'));
}
/**
* Save config action
*
* Do some actions on config keys update
* Used in several places such as:
*
* 1. common config save
* 2. import settings
* 3. enable/disable preview mode
*
* @param W3_Config $old_config
* @param W3_Config $new_config
* @param boolean $preview
* @return void
*/
function config_save(&$old_config, &$new_config, $preview = null)
{
$browsercache_dependencies = array();
if ($new_config->get_boolean('browsercache.enabled')) {
$browsercache_dependencies = array_merge($browsercache_dependencies, array('browsercache.cssjs.replace', 'browsercache.html.replace', 'browsercache.other.replace'));
if ($new_config->get_boolean('browsercache.cssjs.replace')) {
$browsercache_dependencies = array_merge($browsercache_dependencies, array('browsercache.cssjs.compression', 'browsercache.cssjs.expires', 'browsercache.cssjs.lifetime', 'browsercache.cssjs.cache.control', 'browsercache.cssjs.cache.policy', 'browsercache.cssjs.etag', 'browsercache.cssjs.w3tc'));
}
if ($new_config->get_boolean('browsercache.html.replace')) {
$browsercache_dependencies = array_merge($browsercache_dependencies, array('browsercache.html.compression', 'browsercache.html.expires', 'browsercache.html.lifetime', 'browsercache.html.cache.control', 'browsercache.html.cache.policy', 'browsercache.html.etag', 'browsercache.html.w3tc'));
}
if ($new_config->get_boolean('browsercache.other.replace')) {
$browsercache_dependencies = array_merge($browsercache_dependencies, array('browsercache.other.compression', 'browsercache.other.expires', 'browsercache.other.lifetime', 'browsercache.other.cache.control', 'browsercache.other.cache.policy', 'browsercache.other.etag', 'browsercache.other.w3tc'));
}
}
/**
* Show need empty page cache notification
*/
if ($new_config->get_boolean('pgcache.enabled')) {
$pgcache_dependencies = array_merge($browsercache_dependencies, array('pgcache.debug', 'dbcache.enabled', 'objectcache.enabled', 'minify.enabled', 'cdn.enabled', 'mobile.enabled', 'referrer.enabled'));
if ($new_config->get_boolean('dbcache.enabled')) {
$pgcache_dependencies = array_merge($pgcache_dependencies, array('dbcache.debug'));
}
if ($new_config->get_boolean('objectcache.enabled')) {
$pgcache_dependencies = array_merge($pgcache_dependencies, array('objectcache.debug'));
}
if ($new_config->get_boolean('minify.enabled')) {
$pgcache_dependencies = array_merge($pgcache_dependencies, array('minify.auto', 'minify.debug', 'minify.rewrite', 'minify.html.enable', 'minify.html.engine', 'minify.html.inline.css', 'minify.html.inline.js', 'minify.html.strip.crlf', 'minify.html.comments.ignore', 'minify.css.enable', 'minify.css.groups', 'minify.js.enable', 'minify.js.groups', 'minify.htmltidy.options.clean', 'minify.htmltidy.options.hide-comments', 'minify.htmltidy.options.wrap', 'minify.reject.logged', 'minify.reject.ua', 'minify.reject.uri'));
}
if ($new_config->get_boolean('cdn.enabled')) {
$pgcache_dependencies = array_merge($pgcache_dependencies, array('cdn.debug', 'cdn.engine', 'cdn.uploads.enable', 'cdn.includes.enable', 'cdn.includes.files', 'cdn.theme.enable', 'cdn.theme.files', 'cdn.minify.enable', 'cdn.custom.enable', 'cdn.custom.files', 'cdn.mirror.domain', 'cdn.mirror.ssl', 'cdn.netdna.domain', 'cdn.netdna.ssl', 'cdn.cotendo.domain', 'cdn.cotendo.ssl', 'cdn.ftp.domain', 'cdn.ftp.ssl', 'cdn.s3.cname', 'cdn.s3.ssl', 'cdn.cf.cname', 'cdn.cf.ssl', 'cdn.cf2.cname', 'cdn.cf2.ssl', 'cdn.rscf.cname', 'cdn.rscf.ssl', 'cdn.azure.cname', 'cdn.azure.ssl', 'cdn.reject.admins', 'cdn.reject.ua', 'cdn.reject.uri', 'cdn.reject.files'));
}
if ($new_config->get_boolean('mobile.enabled')) {
$pgcache_dependencies = array_merge($pgcache_dependencies, array('mobile.rgroups'));
}
if ($new_config->get_boolean('referrer.enabled')) {
$pgcache_dependencies = array_merge($pgcache_dependencies, array('referrer.rgroups'));
}
$old_pgcache_dependencies_values = array();
$new_pgcache_dependencies_values = array();
foreach ($pgcache_dependencies as $pgcache_dependency) {
$old_pgcache_dependencies_values[] = $old_config->get($pgcache_dependency);
$new_pgcache_dependencies_values[] = $new_config->get($pgcache_dependency);
}
if (serialize($old_pgcache_dependencies_values) != serialize($new_pgcache_dependencies_values)) {
$new_config->set('notes.need_empty_pgcache', true);
}
}
/**
* Show need empty minify notification
*/
if ($new_config->get_boolean('minify.enabled') && ($new_config->get_boolean('minify.css.enable') && ($new_config->get_boolean('minify.auto') || count($new_config->get_array('minify.css.groups'))) || $new_config->get_boolean('minify.js.enable') && ($new_config->get_boolean('minify.auto') || count($new_config->get_array('minify.js.groups'))))) {
$minify_dependencies = array_merge($browsercache_dependencies, array('minify.auto', 'minify.debug', 'minify.options', 'minify.symlinks', 'minify.css.enable', 'minify.js.enable'));
if ($new_config->get_boolean('minify.css.enable') && ($new_config->get_boolean('minify.auto') || count($new_config->get_array('minify.css.groups')))) {
$minify_dependencies = array_merge($minify_dependencies, array('minify.css.engine', 'minify.css.combine', 'minify.css.strip.comments', 'minify.css.strip.crlf', 'minify.css.imports', 'minify.css.groups', 'minify.yuicss.path.java', 'minify.yuicss.path.jar', 'minify.yuicss.options.line-break', 'minify.csstidy.options.remove_bslash', 'minify.csstidy.options.compress_colors', 'minify.csstidy.options.compress_font-weight', 'minify.csstidy.options.lowercase_s', 'minify.csstidy.options.optimise_shorthands', 'minify.csstidy.options.remove_last_;', 'minify.csstidy.options.case_properties', 'minify.csstidy.options.sort_properties', 'minify.csstidy.options.sort_selectors', 'minify.csstidy.options.merge_selectors', 'minify.csstidy.options.discard_invalid_properties', 'minify.csstidy.options.css_level', 'minify.csstidy.options.preserve_css', 'minify.csstidy.options.timestamp', 'minify.csstidy.options.template'));
}
if ($new_config->get_boolean('minify.js.enable') && ($new_config->get_boolean('minify.auto') || count($new_config->get_array('minify.js.groups')))) {
$minify_dependencies = array_merge($minify_dependencies, array('minify.js.engine', 'minify.js.combine.header', 'minify.js.combine.body', 'minify.js.combine.footer', 'minify.js.strip.comments', 'minify.js.strip.crlf', 'minify.js.groups', 'minify.yuijs.path.java', 'minify.yuijs.path.jar', 'minify.yuijs.options.line-break', 'minify.yuijs.options.nomunge', 'minify.yuijs.options.preserve-semi', 'minify.yuijs.options.disable-optimizations', 'minify.ccjs.path.java', 'minify.ccjs.path.jar', 'minify.ccjs.options.compilation_level', 'minify.ccjs.options.formatting'));
}
$old_minify_dependencies_values = array();
$new_minify_dependencies_values = array();
foreach ($minify_dependencies as $minify_dependency) {
$old_minify_dependencies_values[] = $old_config->get($minify_dependency);
$new_minify_dependencies_values[] = $new_config->get($minify_dependency);
}
if (serialize($old_minify_dependencies_values) != serialize($new_minify_dependencies_values)) {
$new_config->set('notes.need_empty_minify', true);
}
}
if ($new_config->get_boolean('cdn.enabled') && !w3_is_cdn_mirror($new_config->get_string('cdn.engine'))) {
/**
* Show notification when CDN enabled
*/
if (!$old_config->get_boolean('cdn.enabled')) {
$new_config->set('notes.cdn_upload', true);
}
/**
* Show notification when Browser Cache settings changes
*/
$cdn_dependencies = array('browsercache.enabled');
if ($new_config->get_boolean('cdn.enabled')) {
$cdn_dependencies = array('browsercache.cssjs.compression', 'browsercache.cssjs.expires', 'browsercache.cssjs.lifetime', 'browsercache.cssjs.cache.control', 'browsercache.cssjs.cache.policy', 'browsercache.cssjs.etag', 'browsercache.cssjs.w3tc', 'browsercache.html.compression', 'browsercache.html.expires', 'browsercache.html.lifetime', 'browsercache.html.cache.control', 'browsercache.html.cache.policy', 'browsercache.html.etag', 'browsercache.html.w3tc', 'browsercache.other.compression', 'browsercache.other.expires', 'browsercache.other.lifetime', 'browsercache.other.cache.control', 'browsercache.other.cache.policy', 'browsercache.other.etag', 'browsercache.other.w3tc');
}
$old_cdn_dependencies_values = array();
$new_cdn_dependencies_values = array();
foreach ($cdn_dependencies as $cdn_dependency) {
$old_cdn_dependencies_values[] = $old_config->get($cdn_dependency);
$new_cdn_dependencies_values[] = $new_config->get($cdn_dependency);
}
if (serialize($old_cdn_dependencies_values) != serialize($new_cdn_dependencies_values)) {
$new_config->set('notes.cdn_reupload', true);
}
}
/**
* Show need empty object cache notification
*/
if ($this->_config->get_boolean('objectcache.enabled')) {
$objectcache_dependencies = array('objectcache.reject.admin', 'objectcache.reject.uri', 'objectcache.groups.global', 'objectcache.groups.nonpersistent');
$old_objectcache_dependencies_values = array();
$new_objectcache_dependencies_values = array();
foreach ($objectcache_dependencies as $objectcache_dependency) {
$old_objectcache_dependencies_values[] = $old_config->get($objectcache_dependency);
$new_objectcache_dependencies_values[] = $new_config->get($objectcache_dependency);
}
if (serialize($old_objectcache_dependencies_values) != serialize($new_objectcache_dependencies_values)) {
$new_config->set('notes.need_empty_objectcache', true);
}
}
/**
* Save config
*/
if ($new_config->save($preview)) {
require_once W3TC_LIB_W3_DIR . '/Plugin/PgCache.php';
require_once W3TC_LIB_W3_DIR . '/Plugin/DbCache.php';
require_once W3TC_LIB_W3_DIR . '/Plugin/ObjectCache.php';
require_once W3TC_LIB_W3_DIR . '/Plugin/BrowserCache.php';
require_once W3TC_LIB_W3_DIR . '/Plugin/Cdn.php';
$w3_plugin_pgcache =& W3_Plugin_PgCache::instance();
$w3_plugin_dbcache =& W3_Plugin_DbCache::instance();
$w3_plugin_objectcache =& W3_Plugin_ObjectCache::instance();
$w3_plugin_browsercache =& W3_Plugin_BrowserCache::instance();
$w3_plugin_cdn =& W3_Plugin_Cdn::instance();
if (W3TC_PHP5) {
require_once W3TC_LIB_W3_DIR . '/Plugin/Minify.php';
$w3_plugin_minify =& W3_Plugin_Minify::instance();
}
/**
* Empty caches on engine change or cache enable/disable
*/
if ($old_config->get_string('pgcache.engine') != $new_config->get_string('pgcache.engine') || $old_config->get_string('pgcache.enabled') != $new_config->get_string('pgcache.enabled')) {
$this->flush_pgcache();
}
if ($old_config->get_string('dbcache.engine') != $new_config->get_string('dbcache.engine') || $old_config->get_string('dbcache.enabled') != $new_config->get_string('dbcache.enabled')) {
$this->flush_dbcache();
}
if ($old_config->get_string('objectcache.engine') != $new_config->get_string('objectcache.engine') || $old_config->get_string('objectcache.enabled') != $new_config->get_string('objectcache.enabled')) {
$this->flush_objectcache();
}
if ($old_config->get_string('minify.engine') != $new_config->get_string('minify.engine') || $old_config->get_string('minify.enabled') != $new_config->get_string('minify.enabled')) {
$this->flush_minify();
}
/**
* Unschedule events if changed file gc interval
*/
if ($old_config->get_integer('pgcache.file.gc') != $new_config->get_integer('pgcache.file.gc')) {
$w3_plugin_pgcache->unschedule();
}
if ($old_config->get_integer('pgcache.prime.interval') != $new_config->get_integer('pgcache.prime.interval')) {
$w3_plugin_pgcache->unschedule_prime();
}
if ($old_config->get_integer('dbcache.file.gc') != $new_config->get_integer('dbcache.file.gc')) {
$w3_plugin_dbcache->unschedule();
}
if ($old_config->get_integer('objectcache.file.gc') != $new_config->get_integer('objectcache.file.gc')) {
$w3_plugin_objectcache->unschedule();
}
if ($old_config->get_integer('cdn.autoupload.interval') != $new_config->get_integer('cdn.autoupload.interval')) {
$w3_plugin_cdn->unschedule_upload();
}
if (W3TC_PHP5 && $old_config->get_integer('minify.file.gc') != $new_config->get_integer('minify.file.gc')) {
$w3_plugin_minify->unschedule();
}
/**
* Create CDN queue table
*/
if (($old_config->get_boolean('cdn.enabled') != $new_config->get_boolean('cdn.enabled') || $old_config->get_string('cdn.engine') != $new_config->get_string('cdn.engine')) && $new_config->get_boolean('cdn.enabled') && !w3_is_cdn_mirror($new_config->get_string('cdn.engine'))) {
$w3_plugin_cdn->table_create();
}
/**
* Update CloudFront CNAMEs
*/
$update_cf_cnames = false;
if ($new_config->get_boolean('cdn.enabled') && in_array($new_config->get_string('cdn.engine'), array('cf', 'cf2'))) {
if ($new_config->get_string('cdn.engine') == 'cf') {
$old_cnames = $old_config->get_array('cdn.cf.cname');
$new_cnames = $new_config->get_array('cdn.cf.cname');
} else {
$old_cnames = $old_config->get_array('cdn.cf2.cname');
$new_cnames = $new_config->get_array('cdn.cf2.cname');
}
if (count($old_cnames) != count($new_cnames) || count(array_diff($old_cnames, $new_cnames))) {
$update_cf_cnames = true;
}
}
/**
* Refresh config
*/
$old_config->load();
/**
* Schedule events
*/
$w3_plugin_pgcache->schedule();
$w3_plugin_pgcache->schedule_prime();
$w3_plugin_dbcache->schedule();
$w3_plugin_objectcache->schedule();
$w3_plugin_cdn->schedule();
$w3_plugin_cdn->schedule_upload();
if (W3TC_PHP5) {
$w3_plugin_minify->schedule();
}
/**
* Update support us option
*/
$this->link_update();
/**
* Write page cache rewrite rules
*/
if ($new_config->get_boolean('pgcache.enabled') && $new_config->get_string('pgcache.engine') == 'file_generic') {
if (w3_can_modify_rules(w3_get_pgcache_rules_core_path())) {
$w3_plugin_pgcache->write_rules_core();
}
if (w3_can_modify_rules(w3_get_pgcache_rules_cache_path())) {
$w3_plugin_pgcache->write_rules_cache();
}
} else {
if (w3_can_modify_rules(w3_get_pgcache_rules_core_path())) {
$w3_plugin_pgcache->remove_rules_core();
}
if (w3_can_modify_rules(w3_get_pgcache_rules_cache_path())) {
$w3_plugin_pgcache->remove_rules_cache();
}
}
/**
* Write browsercache rules
*/
if ($new_config->get_boolean('browsercache.enabled')) {
if (w3_can_modify_rules(w3_get_browsercache_rules_cache_path())) {
$w3_plugin_browsercache->write_rules_cache();
}
if ($new_config->get_boolean('browsercache.no404wp')) {
if (w3_can_modify_rules(w3_get_browsercache_rules_no404wp_path())) {
$w3_plugin_browsercache->write_rules_no404wp();
}
} else {
if (w3_can_modify_rules(w3_get_browsercache_rules_no404wp_path())) {
$w3_plugin_browsercache->remove_rules_no404wp();
}
}
} else {
if (w3_can_modify_rules(w3_get_browsercache_rules_cache_path())) {
$w3_plugin_browsercache->remove_rules_cache();
}
if (w3_can_modify_rules(w3_get_browsercache_rules_no404wp_path())) {
$w3_plugin_browsercache->remove_rules_no404wp();
}
}
/**
* Write minify rewrite rules
*/
if (W3TC_PHP5) {
if ($new_config->get_boolean('minify.enabled') && $new_config->get_boolean('minify.rewrite')) {
if (w3_can_modify_rules(w3_get_minify_rules_core_path())) {
$w3_plugin_minify->write_rules_core();
}
if ($this->_config->get_string('minify.engine') == 'file') {
if (w3_can_modify_rules(w3_get_minify_rules_cache_path())) {
$w3_plugin_minify->write_rules_cache();
}
} else {
if (w3_can_modify_rules(w3_get_minify_rules_cache_path())) {
$w3_plugin_minify->remove_rules_cache();
}
}
} else {
if (w3_can_modify_rules(w3_get_minify_rules_core_path())) {
$w3_plugin_minify->remove_rules_core();
}
if (w3_can_modify_rules(w3_get_minify_rules_cache_path())) {
$w3_plugin_minify->remove_rules_cache();
}
}
}
/**
* Auto upload minify files to CDN
*/
if ($new_config->get_boolean('minify.enabled') && $new_config->get_boolean('minify.upload') && $new_config->get_boolean('cdn.enabled') && !w3_is_cdn_mirror($new_config->get_string('cdn.engine'))) {
$this->cdn_upload_minify();
}
/**
* Auto upload browsercache files to CDN
*/
if ($new_config->get_boolean('cdn.enabled') && $new_config->get_string('cdn.engine') == 'ftp') {
$this->cdn_delete_browsercache();
if ($new_config->get_boolean('browsercache.enabled')) {
$this->cdn_upload_browsercache();
}
}
/**
* Update CloudFront CNAMEs
*/
if ($update_cf_cnames) {
$error = null;
$cdn = $w3_plugin_cdn->get_cdn();
$cdn->update_cnames($error);
}
/**
* Save blognames into file
*/
if (w3_is_network() && !w3_is_subdomain_install()) {
w3_save_blognames();
}
return true;
}
return false;
}
