/**
* Link replace callback
*
* @param array $matches
* @return string
*/
function link_replace_callback($matches)
{
global $wpdb;
static $queue = null, $reject_files = null;
list($match, $quote, $url, , , , $path) = $matches;
$path = ltrim($path, '/');
/**
* Check if URL was already replaced
*/
if (isset($this->replaced_urls[$url])) {
return $quote . $this->replaced_urls[$url];
}
/**
* Check URL for rejected files
*/
if ($reject_files === null) {
$reject_files = $this->_config->get_array('cdn.reject.files');
}
foreach ($reject_files as $reject_file) {
if ($reject_file != '') {
$reject_file = w3_normalize_file($reject_file);
$reject_file_regexp = '~^(' . $this->get_regexp_by_mask($reject_file) . ')~i';
if (preg_match($reject_file_regexp, $path)) {
return $match;
}
}
}
/**
* Don't replace URL for files that are in the CDN queue
*/
if ($queue === null) {
if (!w3_is_cdn_mirror($this->_config->get_string('cdn.engine'))) {
$sql = sprintf('SELECT remote_path FROM %s', $wpdb->prefix . W3TC_CDN_TABLE_QUEUE);
$queue = $wpdb->get_col($sql);
} else {
$queue = false;
}
}
if ($queue && in_array($path, $queue)) {
return $match;
}
/**
* Do replacement
*/
$cdn =& $this->_get_common()->get_cdn();
$new_url = $cdn->format_url($path);
if ($new_url) {
$this->replaced_urls[$url] = $new_url;
return $quote . $new_url;
}
return $match;
}
/**
* Link replace callback
*
* @param array $matches
* @return string
*/
function link_replace_callback($matches)
{
global $wpdb;
static $queue = null, $reject_files = null;
if (in_array($matches[2], $this->replaced_urls)) {
return $matches[0];
}
if ($queue === null) {
$sql = sprintf('SELECT remote_path FROM %s', $wpdb->prefix . W3TC_CDN_TABLE_QUEUE);
$queue = $wpdb->get_col($sql);
}
if ($reject_files === null) {
$reject_files = $this->_config->get_array('cdn.reject.files');
}
/**
* Don't replace links that are in the queue
*/
if (in_array(ltrim($matches[4], '/'), $queue)) {
return $matches[0];
}
/**
* Don't replace link for rejected files
*/
foreach ($reject_files as $reject_file) {
if ($reject_file != '') {
$reject_file = w3_normalize_file($reject_file);
$reject_file_regexp = '~^' . $this->get_regexp_by_mask($reject_file) . '$~i';
if (preg_match($reject_file_regexp, $matches[4])) {
return $matches[0];
}
}
}
/**
* Do replacement
*/
$path = '/' . w3_get_site_path() . $matches[4];
$cdn =& $this->get_cdn();
$url = $cdn->format_url($path);
if (!$url) {
return $matches[0];
}
$this->replaced_urls[] = $matches[2];
$replacement = sprintf('%s%s', $matches[1], $url);
return $replacement;
}
/**
* Options save action
*/
function options_save()
{
require_once W3TC_LIB_W3_DIR . '/Request.php';
/**
* Redirect params
*/
$params = array();
/**
* Read config
*/
$config =& new W3_Config();
$config->read_request();
/**
* General tab
*/
if ($this->_tab == 'general') {
$debug = W3_Request::get_array('debug');
$config->set('dbcache.debug', in_array('dbcache', $debug));
$config->set('pgcache.debug', in_array('pgcache', $debug));
$config->set('minify.debug', in_array('minify', $debug));
$config->set('cdn.debug', in_array('cdn', $debug));
/**
* Page cache tab
*/
if ($config->get_boolean('pgcache.enabled') && $config->get_string('pgcache.engine') == 'file_pgcache' && get_option('permalink_structure') == '') {
$this->redirect(array('error' => 'fancy_permalinks_disabled'));
}
/**
* Show notification when CDN enabled
*/
if ($this->_config->get_boolean('cdn.enabled') == false && $config->get_boolean('cdn.enabled') == true && $config->get_string('cdn.engine') != 'mirror') {
$config->set('notes.cdn_upload', true);
}
}
/**
* Minify tab
*/
if ($this->_tab == 'minify') {
$groups = $this->minify_get_groups();
$js_group = W3_Request::get_string('js_group');
$js_files = W3_Request::get_array('js_files');
$css_group = W3_Request::get_string('css_group');
$css_files = W3_Request::get_array('css_files');
$js_groups = array();
$css_groups = array();
foreach ($js_files as $group => $locations) {
if (!array_key_exists($group, $groups)) {
continue;
}
foreach ((array) $locations as $location => $files) {
switch ($location) {
case 'include':
$js_groups[$group][$location]['blocking'] = true;
break;
case 'include-nb':
$js_groups[$group][$location]['blocking'] = false;
break;
case 'include-footer':
$js_groups[$group][$location]['blocking'] = true;
break;
case 'include-footer-nb':
$js_groups[$group][$location]['blocking'] = false;
break;
}
foreach ((array) $files as $file) {
if (!empty($file)) {
$js_groups[$group][$location]['files'][] = w3_normalize_file($file);
}
}
}
}
foreach ($css_files as $group => $locations) {
if (!array_key_exists($group, $groups)) {
continue;
}
foreach ((array) $locations as $location => $files) {
foreach ((array) $files as $file) {
if (!empty($file)) {
$css_groups[$group][$location]['files'][] = w3_normalize_file($file);
}
}
}
}
$config->set('minify.js.groups', $js_groups);
$config->set('minify.css.groups', $css_groups);
$params = array_merge($params, array('js_group' => $js_group, 'css_group' => $css_group));
}
/**
* Handle settings change that require pgcache and minify empty
*/
$pgcache_dependencies = array('pgcache.debug', 'dbcache.enabled', 'minify.enabled', 'cdn.enabled');
if ($config->get_boolean('dbcache.enabled')) {
$pgcache_dependencies = array_merge($pgcache_dependencies, array('dbcache.debug'));
}
if ($config->get_boolean('minify.enabled')) {
$pgcache_dependencies = array_merge($pgcache_dependencies, array('minify.debug', 'minify.rewrite', 'minify.options', 'minify.html.enable', 'minify.html.reject.admin', 'minify.html.inline.css', 'minify.html.inline.js', 'minify.html.strip.crlf', 'minify.css.enable', 'minify.css.groups', 'minify.js.enable', 'minify.js.groups'));
}
if ($config->get_boolean('cdn.enabled')) {
$pgcache_dependencies = array_merge($pgcache_dependencies, array('cdn.debug', 'cdn.engine', 'cdn.includes.enable', 'cdn.includes.files', 'cdn.theme.enable', 'cdn.theme.files', 'cdn.minify.enable', 'cdn.custom.enable', 'cdn.custom.files', 'cdn.ftp.domain', 'cdn.s3.bucket', 'cdn.cf.id', 'cdn.cf.cname'));
}
$minify_dependencies = array('minify.debug', 'minify.css.combine', 'minify.css.strip.comments', 'minify.css.strip.crlf', 'minify.css.groups', 'minify.js.combine.header', 'minify.js.combine.footer', 'minify.js.strip.comments', 'minify.js.strip.crlf', 'minify.js.groups');
$old_pgcache_dependencies_values = array();
$new_pgcache_dependencies_values = array();
$old_minify_dependencies_values = array();
$new_minify_dependencies_values = array();
foreach ($pgcache_dependencies as $pgcache_dependency) {
$old_pgcache_dependencies_values[] = $this->_config->get($pgcache_dependency);
$new_pgcache_dependencies_values[] = $config->get($pgcache_dependency);
}
foreach ($minify_dependencies as $minify_dependency) {
$old_minify_dependencies_values[] = $this->_config->get($minify_dependency);
$new_minify_dependencies_values[] = $config->get($minify_dependency);
}
if ($this->_config->get_boolean('pgcache.enabled') && serialize($old_pgcache_dependencies_values) != serialize($new_pgcache_dependencies_values)) {
$config->set('notes.need_empty_pgcache', true);
}
if ($this->_config->get_boolean('minify.enabled') && serialize($old_minify_dependencies_values) != serialize($new_minify_dependencies_values)) {
$config->set('notes.need_empty_minify', true);
}
/**
* Save config
*/
if ($config->save()) {
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/Cdn.php';
$w3_plugin_pgcache =& W3_Plugin_PgCache::instance();
$w3_plugin_dbcache =& W3_Plugin_DbCache::instance();
$w3_plugin_cdn =& W3_Plugin_Cdn::instance();
if (W3TC_PHP5) {
require_once W3TC_LIB_W3_DIR . '/Plugin/Minify.php';
$w3_plugin_minify =& W3_Plugin_Minify::instance();
}
/**
* Empty caches on engine change or cache enable/disable
*/
if ($this->_config->get_string('pgcache.engine') != $config->get_string('pgcache.engine') || $this->_config->get_string('pgcache.enabled') != $config->get_string('pgcache.enabled')) {
$this->flush_pgcache();
}
if ($this->_config->get_string('dbcache.engine') != $config->get_string('dbcache.engine') || $this->_config->get_string('dbcache.enabled') != $config->get_string('dbcache.enabled')) {
$this->flush_dbcache();
}
if ($this->_config->get_string('minify.engine') != $config->get_string('minify.engine') || $this->_config->get_string('minify.enabled') != $config->get_string('minify.enabled')) {
$this->flush_minify();
}
/**
* Unschedule events if changed file gc interval
*/
if ($this->_config->get_boolean('pgcache.file.gc') != $config->get_boolean('pgcache.file.gc')) {
$w3_plugin_pgcache->unschedule();
}
if ($this->_config->get_boolean('dbcache.file.gc') != $config->get_boolean('dbcache.file.gc')) {
$w3_plugin_dbcache->unschedule();
}
if (W3TC_PHP5 && $this->_config->get_boolean('minify.file.gc') != $config->get_boolean('minify.file.gc')) {
$w3_plugin_minify->unschedule();
}
$this->_config->load();
/**
* Schedule events
*/
$w3_plugin_pgcache->schedule();
$w3_plugin_dbcache->schedule();
$w3_plugin_cdn->schedule();
if (W3TC_PHP5) {
$w3_plugin_minify->schedule();
}
/**
* Update support us option
*/
$this->link_update();
/**
* Auto upload minify files to CDN
*/
if ($this->_tab == 'minify' && $this->_config->get_boolean('minify.upload') && $this->_config->get_boolean('cdn.enabled') && $this->_config->get_string('cdn.engine') != 'mirror') {
$this->cdn_upload_minify();
}
/**
* Write page cache rewrite rules
*/
if ($this->_tab == 'general' || $this->_tab == 'pgcache') {
$is_wpmu = w3_is_wpmu();
if ($this->_config->get_boolean('pgcache.enabled') && $this->_config->get_string('pgcache.engine') == 'file_pgcache') {
if (!$is_wpmu) {
$w3_plugin_pgcache->write_rules_core();
}
$w3_plugin_pgcache->write_rules_cache();
} else {
if (!$is_wpmu) {
$w3_plugin_pgcache->remove_rules_core();
}
$w3_plugin_pgcache->remove_rules_cache();
}
}
/**
* Write minify rewrite rules
*/
if (W3TC_PHP5 && ($this->_tab == 'general' || $this->_tab == 'minify')) {
if ($this->_config->get_boolean('minify.enabled') && $this->_config->get_boolean('minify.rewrite')) {
$w3_plugin_minify->write_rules();
} else {
require_once W3TC_DIR . '/lib/W3/Plugin/Minify.php';
$w3_plugin_minify->remove_rules();
}
}
$this->redirect(array_merge($params, array('note' => 'config_save')));
} else {
$this->redirect(array_merge($params, array('error' => 'config_save')));
}
}
/**
* Normalizes URL
* @param string $url
* @return string
*/
function _normalize_file($url)
{
$url = preg_replace('~\\?ver=[0-9\\.]+$~', '', $url);
$url = w3_normalize_file($url);
$url = w3_translate_file($url);
return $url;
}
/**
* Link replace callback, basic checks step
*
* @param $match
* @param $quote
* @param $url
* @param $path
* @return null|string
*/
function _link_replace_callback_checks($match, $quote, $url, $path)
{
/**
* @var wpdb $wpdb
*/
global $wpdb;
static $queue = null, $reject_files = null;
/**
* Check if URL was already replaced
*/
if (isset($this->replaced_urls[$url])) {
return $quote . $this->replaced_urls[$url];
}
/**
* Check URL for rejected files
*/
if ($reject_files === null) {
$reject_files = $this->_config->get_array('cdn.reject.files');
}
foreach ($reject_files as $reject_file) {
if ($reject_file != '') {
$reject_file = $this->_replace_folder_placeholders($reject_file);
$reject_file = w3_normalize_file($reject_file);
$reject_file_regexp = '~^(' . $this->get_regexp_by_mask($reject_file) . ')~i';
if (preg_match($reject_file_regexp, $path)) {
return $match;
}
}
}
/**
* Don't replace URL for files that are in the CDN queue
*/
if ($queue === null) {
if (!w3_is_cdn_mirror($this->_config->get_string('cdn.engine'))) {
$sql = $wpdb->prepare('SELECT remote_path FROM ' . $wpdb->prefix . W3TC_CDN_TABLE_QUEUE . ' WHERE remote_path = %s', $path);
$queue = $wpdb->get_var($sql);
} else {
$queue = false;
}
}
if ($queue) {
return $match;
}
return null;
}
