/**
*
*
* @param Config $config
* @return string
*/
function notifications($config)
{
$config_state = Dispatcher::config_state();
if (!$config_state->get_boolean('newrelic.hide_note_pageload_slow')) {
$pl = get_option('w3tc_nr_frontend_response_time');
if ($pl !== false && $pl > 0.3) {
$nr_recommends = array();
if (!$config->get_boolean('pgcache.enabled')) {
$nr_recommends[] = __('Page Cache', 'w3-total-cache');
}
if (!$config->get_boolean('minify.enabled')) {
$nr_recommends[] = __('Minify', 'w3-total-cache');
}
if (!$config->get_boolean('cdn.enabled')) {
$nr_recommends[] = __('CDN', 'w3-total-cache');
}
if (!$config->get_boolean('browsercache.enabled')) {
$nr_recommends[] = __('Browser Cache and use compression', 'w3-total-cache');
}
if ($nr_recommends) {
$message = sprintf(__('Application monitoring has detected that your page load time is higher than 300ms. It is recommended that you enable the following features: %s %s', 'w3-total-cache'), implode(', ', $nr_recommends), Util_Ui::button_link('Hide this message', Util_Ui::url(array('w3tc_default_config_state' => 'y', 'key' => 'newrelic.hide_note_pageload_slow', 'value' => 'true'))));
return array('newrelic_recommends' => $message);
}
}
}
return array();
}
/**
* Returns required rules for module
*
* @param Config $config
* @return array
*/
public static function get_required_rules($rewrite_rules, $config)
{
if (!$config->get_boolean('pgcache.enabled') || $config->get_string('pgcache.engine') != 'file_generic') {
return $rewrite_rules;
}
$pgcache_rules_core_path = Util_Rule::get_pgcache_rules_core_path();
$rewrite_rules[] = array('filename' => $pgcache_rules_core_path, 'content' => self::rules_generate($config), 'priority' => 1000);
return $rewrite_rules;
}
/**
* Fixes environment in each wp-admin request
*
* @param Config $config
* @param bool $force_all_checks
*
* @throws Util_Environment_Exceptions
*/
public function fix_on_wpadmin_request($config, $force_all_checks)
{
$exs = new Util_Environment_Exceptions();
try {
if ($config->get_boolean('dbcache.enabled')) {
$this->create_addin();
} else {
$this->delete_addin();
}
} catch (Util_WpFile_FilesystemOperationException $ex) {
$exs->push($ex);
}
if (count($exs->exceptions()) > 0) {
throw $exs;
}
}
/**
* Fixes environment in each wp-admin request
*
* @param Config $config
* @param bool $force_all_checks
*
* @throws Util_Environment_Exceptions
*/
public function fix_on_wpadmin_request($config, $force_all_checks)
{
$exs = new Util_Environment_Exceptions();
try {
$addin_required = $config->get_boolean('objectcache.enabled');
$addin_required = apply_filters('w3tc_objectcache_addin_required', $addin_required);
if ($addin_required) {
$this->create_addin();
} else {
$this->delete_addin();
}
} catch (Util_WpFile_FilesystemOperationException $ex) {
$exs->push($ex);
}
if (count($exs->exceptions()) > 0) {
throw $exs;
}
}
/**
* Prints checkbox for debug option
*
* @param string $option_id
*/
protected function checkbox_debug($option_id)
{
if (is_array($option_id)) {
$section = $option_id[0];
$section_enabled = $this->_config->is_extension_active_frontend($section);
} else {
$section = substr($option_id, 0, strrpos($option_id, '.'));
$section_enabled = $this->_config->get_boolean($section . '.enabled');
}
$disabled = $this->_config->is_sealed($option_id) || !$section_enabled;
$name = Util_Ui::config_key_to_http_name($option_id);
if (!$disabled) {
echo '<input type="hidden" name="' . $name . '" value="0" />';
}
echo '<label>';
echo '<input class="enabled" type="checkbox" name="' . $name . '" value="1" ';
checked($this->_config->get_boolean($option_id), true);
if ($disabled) {
echo 'disabled="disabled" ';
}
echo ' />';
}
/**
* Generates directives for file cache dir
*
* @param Config $config
* @return string
*/
private function rules_cache_generate_nginx($config)
{
$cache_dir = Util_Rule::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) {
$common_rules .= " add_header X-Powered-By \"" . Util_Environment::w3tc_header($config) . "\";\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 Config $config
* @param string $rules
* @param array $mime_types
* @param string $section
* @return void
*/
private function _rules_cache_generate_nginx_for_type($config, &$rules, $mime_types, $section)
{
$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";
}
$add_header_rules = '';
if ($cache_control) {
$cache_policy = $config->get_string('browsercache.' . $section . '.cache.policy');
switch ($cache_policy) {
case 'cache':
$add_header_rules .= " add_header Pragma \"public\";\n";
$add_header_rules .= " add_header Cache-Control \"public\";\n";
break;
case 'cache_public_maxage':
$add_header_rules .= " add_header Pragma \"public\";\n";
$add_header_rules .= " add_header Cache-Control \"max-age=" . $lifetime . ", public\";\n";
break;
case 'cache_validation':
$add_header_rules .= " add_header Pragma \"public\";\n";
$add_header_rules .= " add_header Cache-Control \"public, must-revalidate, proxy-revalidate\";\n";
break;
case 'cache_noproxy':
$add_header_rules .= " add_header Pragma \"public\";\n";
$add_header_rules .= " add_header Cache-Control \"private, must-revalidate\";\n";
break;
case 'cache_maxage':
$add_header_rules .= " add_header Pragma \"public\";\n";
$add_header_rules .= " add_header Cache-Control \"max-age=" . $lifetime . ", public, must-revalidate, proxy-revalidate\";\n";
break;
case 'no_cache':
$add_header_rules .= " add_header Pragma \"no-cache\";\n";
$add_header_rules .= " add_header Cache-Control \"max-age=0, private, no-store, no-cache, must-revalidate\";\n";
break;
}
}
if ($w3tc) {
$add_header_rules .= " add_header X-Powered-By \"" . Util_Environment::w3tc_header($config) . "\";\n";
}
$rules .= $add_header_rules;
$rules .= Dispatcher::on_browsercache_rules_generation_for_section($config, false, $section, $add_header_rules);
if (!$config->get_boolean('browsercache.no404wp')) {
$wp_uri = network_home_url('', 'relative');
$wp_uri = rtrim($wp_uri, '/');
$rules .= ' try_files $uri $uri/ $uri.html ' . $wp_uri . '/index.php?$args;' . "\n";
}
$rules .= "}\n";
}
}
/**
* Generates directives for file cache dir
*
* @param Config $config
* @return string
*/
private function rules_cache_generate_nginx($config)
{
$cache_root = Util_Environment::normalize_path(W3TC_CACHE_PAGE_ENHANCED_DIR);
$cache_dir = rtrim(str_replace(Util_Environment::document_root(), '', $cache_root), '/');
if (Util_Environment::is_wpmu()) {
$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) {
$common_rules .= " add_header X-Powered-By \"" . Util_Environment::w3tc_header($config) . "\";\n";
}
if ($expires) {
$common_rules .= " add_header Vary \"Accept-Encoding, Cookie\";\n";
}
if ($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;
}
/**
* Save config, can't decline save process. (difference from action_save)
*
* Do some actions on config keys update
* Used in several places such as:
*
* 1. common config save
* 2. import settings
*
* @param Config $current_config
* @param Config $new_config
* @return bool
* @throws Exception
*/
public static function config_save($current_config, $new_config)
{
$master_config = $new_config->is_master() ? $new_config : Dispatcher::config_master();
if ($master_config->get_integer('common.instance_id', 0) == 0) {
$master_config->set('common.instance_id', mt_rand());
if (!$new_config->is_master()) {
$master_config->save();
}
}
$old_config = new Config();
$browsercache_dependencies = array();
if ($new_config->get_boolean('browsercache.enabled')) {
$browsercache_dependencies = array_merge($browsercache_dependencies, array('browsercache.rewrite', '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'));
}
$old_bc_dependencies_values = array();
$new_bc_dependencies_values = array();
foreach ($browsercache_dependencies as $key) {
$old_bc_dependencies_values[] = $old_config->get($key);
$new_bc_dependencies_values[] = $new_config->get($key);
}
if (serialize($old_bc_dependencies_values) != serialize($new_bc_dependencies_values)) {
$state_note = Dispatcher::config_state_note();
$state_note->set('common.show_note.flush_statics_needed', true);
}
}
/**
* Show need empty page cache notification
*/
$cache_flush = Dispatcher::component('CacheFlush');
if ($cache_flush->flushable_posts()) {
$pgcache_dependencies = array_merge($browsercache_dependencies, array('pgcache.debug', 'pgcache.cache.query', 'pgcache.cache.home', 'pgcache.cache.feed', 'pgcache.cache.nginx_handle_xml', 'pgcache.cache.ssl', 'pgcache.cache.404', 'pgcache.cache.headers', 'pgcache.compatibility', 'pgcache.remove_charset', 'pgcache.accept.uri', 'pgcache.accept.files', 'pgcache.accept.qs', 'pgcache.late_init', 'pgcache.mirrors.enabled', 'pgcache.reject.front_page', 'pgcache.reject.logged', 'pgcache.reject.logged_roles', 'pgcache.reject.uri', 'pgcache.reject.ua', 'pgcache.reject.cookie', 'pgcache.reject.request_head', 'dbcache.enabled', 'objectcache.enabled', 'minify.enabled', 'mobile.enabled', 'referrer.enabled'));
if ($new_config->get_boolean('pgcache.mirrors.enabled')) {
$pgcache_dependencies = array_merge($pgcache_dependencies, array('pgcache.mirrors.home_urls'));
}
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.engine', 'minify.css.groups', 'minify.js.enable', 'minify.js.engine', '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'));
}
/**
*
*
* @var W3_ModuleStatus $modules
*/
$modules = Dispatcher::component('ModuleStatus');
if ($modules->is_running('cdn')) {
$pgcache_dependencies = array_merge($pgcache_dependencies, array('cdn.enabled', '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.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.mirror.domain', 'cdn.mirror.ssl', 'cdn.netdna.domain', 'cdn.netdna.ssl', 'cdn.cotendo.domain', 'cdn.cotendo.ssl', 'cdn.edgecast.domain', 'cdn.edgecast.ssl', 'cdn.att.domain', 'cdn.att.ssl', 'cdn.reject.logged_roles', 'cdn.reject.roles', 'cdn.reject.ua', 'cdn.reject.uri', 'cdn.reject.files'));
} elseif ($old_config->get_boolean('cdn.enabled') && !$new_config->get_boolean('cdn.enabled')) {
$pgcache_dependencies = array_merge($pgcache_dependencies, array('cdn.enabled'));
}
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'));
}
if ($new_config->get_boolean('browsercache.enabled') && $new_config->get_string('pgcache.engine') == 'file_generic') {
$pgcache_dependencies = array_merge($pgcache_dependencies, array('browsercache.html.last_modified', 'browsercache.other.last_modified'));
}
$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)) {
$state_note = Dispatcher::config_state_note();
$state_note->set('common.show_note.flush_posts_needed', true);
}
}
/**
* Show need empty minify notification
*/
if ($current_config->get_boolean('minify.enabled') && $new_config->get_boolean('minify.enabled') && ($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'));
}
/**
*
*
* @var W3_ModuleStatus $modules
*/
$modules = Dispatcher::component('ModuleStatus');
if ($modules->is_running('cdn')) {
$minify_dependencies = array_merge($minify_dependencies, array('cdn.engine', 'cdn.enabled'));
} elseif ($old_config->get_boolean('cdn.enabled') && !$new_config->get_boolean('cdn.enabled')) {
$minify_dependencies = array_merge($minify_dependencies, array('cdn.enabled'));
}
$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)) {
$state_note = Dispatcher::config_state_note();
$state_note->set('minify.show_note.need_flush', true);
}
}
if ($new_config->get_boolean('cdn.enabled') && !Cdn_Util::is_engine_mirror($new_config->get_string('cdn.engine'))) {
/**
* Show notification when CDN enabled
*/
if (!$old_config->get_boolean('cdn.enabled')) {
$state = Dispatcher::config_state();
$state->set('cdn.show_note_cdn_upload', true);
$state->save();
}
/**
* 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)) {
$state = Dispatcher::config_state();
$state->set('cdn.show_note_cdn_reupload', true);
$state->save();
}
}
/**
* Show need empty object cache notification
*/
if ($current_config->get_boolean('objectcache.enabled')) {
$objectcache_dependencies = array('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)) {
$state_note = Dispatcher::config_state_note();
$state_note->set('objectcache.show_note.flush_needed', true);
}
}
do_action('w3tc_saved_options', $new_config);
/**
* Save config
*/
try {
$new_config->save();
} catch (\Exception $ex) {
// try to fix environment, it potentially can be fixed silently
// dont show error here, it will be called again later
// in admin_notices
try {
$environment = Dispatcher::component('Root_Environment');
$environment->fix_in_wpadmin($new_config);
} catch (\Exception $ex) {
}
// retry save process and complain now on failure
try {
$new_config->save();
} catch (\Exception $ex) {
throw new \Exception('<strong>Can\'t change configuration</strong>: ' . $ex->getMessage());
}
}
$w3_plugin_cdn = Dispatcher::component('Cdn_Core_Admin');
/**
* Empty caches on engine change or cache enable/disable
*/
if ($old_config->get_string('pgcache.engine') != $new_config->get_string('pgcache.engine') || $old_config->get_string('pgcache.enabled') != $new_config->get_string('pgcache.enabled')) {
$pgcacheflush = Dispatcher::component('PgCache_Flush');
$v = $pgcacheflush->flush();
}
if ($old_config->get_string('dbcache.engine') != $new_config->get_string('dbcache.engine') || $old_config->get_string('dbcache.enabled') != $new_config->get_string('dbcache.enabled')) {
w3tc_dbcache_flush();
}
if ($old_config->get_string('objectcache.engine') != $new_config->get_string('objectcache.engine') || $old_config->get_string('objectcache.enabled') != $new_config->get_string('objectcache.enabled')) {
w3tc_objectcache_flush();
}
if ($old_config->get_string('minify.engine') != $new_config->get_string('minify.engine') || $old_config->get_string('minify.enabled') != $new_config->get_string('minify.enabled')) {
w3tc_minify_flush();
}
/**
* 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
*/
$current_config->load();
/**
* React to config changes
*/
$environment = Dispatcher::component('Root_Environment');
$environment->fix_on_event($new_config, 'config_change', $old_config);
/**
* Update support us option
*/
Generic_AdminLinks::link_update($current_config);
/**
* Auto upload browsercache files to CDN
*/
if ($new_config->get_boolean('cdn.enabled') && $new_config->get_string('cdn.engine') == 'ftp') {
Util_Admin::cdn_delete_browsercache($current_config);
Util_Admin::cdn_upload_browsercache($current_config);
}
/**
* Update CloudFront CNAMEs
*/
if ($update_cf_cnames) {
$error = null;
$w3_plugin_cdn->update_cnames($error);
}
return true;
}
/**
*
*
* @param Config $config
* @return array|null
*/
function get_instructions($config)
{
if (!$config->get_boolean('cdn.enabled')) {
return null;
}
$instructions = array();
$instructions[] = array('title' => __('CDN module: Required Database SQL', 'w3-total-cache'), 'content' => $this->generate_table_sql(), 'area' => 'database');
return $instructions;
}
/**
* Checks if post should be flushed or not. Returns true if it should not be flushed
*
* @param unknown $post
* @param string $module which cache module to check against (pgcache, varnish, dbcache or objectcache)
* @param Config $config
* @return bool
*/
public static function is_flushable_post($post, $module, $config)
{
if (is_numeric($post)) {
$post = get_post($post);
}
$post_status = array('publish');
// dont flush when we have post "attachment"
// its child of the post and is flushed always when post is published, while not changed in fact
$post_type = array('revision', 'attachment');
switch ($module) {
case 'pgcache':
case 'varnish':
case 'posts':
// means html content of post pages
if (!$config->get_boolean('pgcache.reject.logged')) {
$post_status[] = 'private';
}
break;
case 'dbcache':
if (!$config->get_boolean('dbcache.reject.logged')) {
$post_status[] = 'private';
}
break;
}
$flushable = is_object($post) && !in_array($post->post_type, $post_type) && in_array($post->post_status, $post_status);
return apply_filters('w3tc_flushable_post', $flushable, $post, $module);
}
/**
* If BrowserCache should generate rules specific for CDN. Used with CDN FTP
*
* @param Config $config
* @return boolean;
*/
public static function should_browsercache_generate_rules_for_cdn($config)
{
if ($config->get_boolean('cdn.enabled') && $config->get_string('cdn.engine') == 'ftp') {
$cdncommon = Dispatcher::component('Cdn_Core');
$cdn = $cdncommon->get_cdn();
$domain = $cdn->get_domain();
if ($domain) {
return true;
}
}
return false;
}