/**
* 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 $exs;
}
}
/**
* Schedule upload event
*/
function schedule_upload()
{
if ($this->_config->get_boolean('cdn.enabled') && $this->_config->get_boolean('cdn.autoupload.enabled') && !w3_is_cdn_mirror($this->_config->get_string('cdn.engine'))) {
if (!nxt_next_scheduled('w3_cdn_cron_upload')) {
nxt_schedule_event(time(), 'w3_cdn_cron_upload', 'w3_cdn_cron_upload');
}
} else {
$this->unschedule_upload();
}
}
/**
* @param W3_Config $config
* @param W3_ConfigAdmin|null $config_admin
* @return array
*/
function notifications($config, $config_admin)
{
w3_require_once(W3TC_LIB_W3_DIR . '/Request.php');
$page = W3_Request::get_string('page');
$notes = array();
if (!w3_is_cdn_mirror($config->get_string('cdn.engine'))) {
/**
* Show notification after theme change
*/
if ($config->get_boolean('notes.theme_changed')) {
$notes[] = sprintf(__('The active theme has changed, please %s now to ensure proper operation. %s', 'w3-total-cache'), w3_button_popup(__('upload active theme files', 'w3-total-cache'), 'cdn_export', 'cdn_export_type=theme'), w3_button_hide_note(__('Hide this message', 'w3-total-cache'), 'theme_changed'));
}
/**
* Show notification after WP upgrade
*/
if ($config->get_boolean('notes.wp_upgraded')) {
$notes[] = sprintf(__('Upgraded WordPress? Please %s files now to ensure proper operation. %s', 'w3-total-cache'), w3_button_popup('upload wp-includes', 'cdn_export', 'cdn_export_type=includes'), w3_button_hide_note(__('Hide this message', 'w3-total-cache'), 'wp_upgraded'));
}
/**
* Show notification after CDN enable
*/
if ($config->get_boolean('notes.cdn_upload') || $config->get_boolean('notes.cdn_reupload')) {
$cdn_upload_buttons = array();
if ($config->get_boolean('cdn.includes.enable')) {
$cdn_upload_buttons[] = w3_button_popup('wp-includes', 'cdn_export', 'cdn_export_type=includes');
}
if ($config->get_boolean('cdn.theme.enable')) {
$cdn_upload_buttons[] = w3_button_popup('theme files', 'cdn_export', 'cdn_export_type=theme');
}
if ($config->get_boolean('minify.enabled') && $config->get_boolean('cdn.minify.enable') && !$config->get_boolean('minify.auto')) {
$cdn_upload_buttons[] = w3_button_popup('minify files', 'cdn_export', 'cdn_export_type=minify');
}
if ($config->get_boolean('cdn.custom.enable')) {
$cdn_upload_buttons[] = w3_button_popup('custom files', 'cdn_export', 'cdn_export_type=custom');
}
if ($config->get_boolean('notes.cdn_upload')) {
$notes[] = sprintf(__('Make sure to %s and upload the %s, files to the <acronym title="Content Delivery Network">CDN</acronym> to ensure proper operation. %s', 'w3-total-cache'), w3_button_popup('export the media library', 'cdn_export_library'), implode(', ', $cdn_upload_buttons), w3_button_hide_note('Hide this message', 'cdn_upload'));
}
if ($config->get_boolean('notes.cdn_reupload')) {
$notes[] = sprintf(__('Settings that affect Browser Cache settings for files hosted by the CDN have been changed. To apply the new settings %s and %s. %s', 'w3-total-cache'), w3_button_popup(__('export the media library', 'w3-total-cache'), 'cdn_export_library'), implode(', ', $cdn_upload_buttons), w3_button_hide_note(__('Hide this message', 'w3-total-cache'), 'cdn_reupload'));
}
}
}
if (in_array($config->get_string('cdn.engine'), array('netdna', 'maxcdn')) && $config_admin->get_boolean('notes.maxcdn_whitelist_ip') && $config_admin->get_integer('track.maxcdn_authorize') == 0 && $config->get_string('cdn.' . $config->get_string('cdn.engine') . '.authorization_key')) {
$notes[] = sprintf(__('Make sure to whitelist your servers IPs. Follow the instructions on %s. The IP for this server is %s. %s', 'w3-total-cache'), '<a href="http://support.maxcdn.com/tutorials/how-to-whitelist-your-server-ip-to-use-the-api/">MaxCDN</a>', $_SERVER['SERVER_ADDR'], w3_button_hide_note('Hide this message', 'maxcdn_whitelist_ip', '', true));
}
return $notes;
}
/**
* Page cache tab
*
* @return void
*/
function view()
{
global $wp_rewrite;
$feeds = $wp_rewrite->feeds;
$feed_key = array_search('feed', $feeds);
if ($feed_key !== false) {
unset($feeds[$feed_key]);
}
$default_feed = get_default_feed();
$pgcache_enabled = $this->_config->get_boolean('pgcache.enabled');
$permalink_structure = get_option('permalink_structure');
$varnish_enabled = $this->_config->get_boolean('varnish.enabled');
$cdn_mirror_purge_enabled = w3_is_cdn_mirror($this->_config->get_string('cdn.engine')) && $this->_config->get_string('cdn.engine') != 'mirror' && $this->_config->get_boolean('cdncache.enabled') && w3tc_edge_mode() && w3_is_pro($this->_config) || w3_is_enterprise();
$disable_check_domain = w3_is_multisite() && w3_force_master();
include W3TC_INC_DIR . '/options/pgcache.php';
}
/**
* CDN tab
*
* @return void
*/
function view()
{
w3_require_once(W3TC_INC_FUNCTIONS_DIR . '/ui.php');
$cdn_enabled = $this->_config->get_boolean('cdn.enabled');
$cdn_engine = $this->_config->get_string('cdn.engine');
$cdn_mirror = w3_is_cdn_mirror($cdn_engine);
$cdn_mirror_purge_all = w3_cdn_can_purge_all($cdn_engine);
$cdn_common = w3_instance('W3_Plugin_CdnCommon');
$cdn = $cdn_common->get_cdn();
$cdn_supports_header = $cdn->headers_support() == W3TC_CDN_HEADER_MIRRORING;
$cdn_supports_full_page_mirroring = $cdn->supports_full_page_mirroring();
$minify_enabled = $this->_config->get_boolean('minify.enabled') && $this->_config->get_boolean('minify.rewrite') && (!$this->_config->get_boolean('minify.auto') || w3_is_cdn_mirror($this->_config->get_string('cdn.engine')));
$cookie_domain = $this->get_cookie_domain();
$set_cookie_domain = $this->is_cookie_domain_enabled();
// Required for Update Media Query String button
$browsercache_enabled = $this->_config->get_boolean('browsercache.enabled');
$browsercache_update_media_qs = $this->_config->get_boolean('browsercache.cssjs.replace') || $this->_config->get_boolean('browsercache.other.replace');
if (in_array($cdn_engine, array('netdna', 'maxcdn'))) {
$pull_zones = array();
$authorization_key = $this->_config->get_string("cdn.{$cdn_engine}.authorization_key");
$zone_id = $this->_config->get_integer("cdn.{$cdn_engine}.zone_id");
$alias = $consumerkey = $consumersecret = '';
if ($authorization_key) {
$keys = explode('+', $authorization_key);
if (sizeof($keys) == 3) {
list($alias, $consumerkey, $consumersecret) = $keys;
}
}
$authorized = $authorization_key != '' && $alias && $consumerkey && $consumersecret;
$have_zone = $zone_id != 0;
if ($authorized) {
w3_require_once(W3TC_LIB_NETDNA_DIR . '/NetDNA.php');
try {
$api = new NetDNA($alias, $consumerkey, $consumersecret);
$pull_zones = $api->get_zones_by_url(w3_get_home_url());
} catch (Exception $ex) {
w3_require_once(W3TC_INC_FUNCTIONS_DIR . '/ui.php');
w3_e_error_box('<p>There is an error with your CDN settings: ' . $ex->getMessage() . '</p>');
}
}
}
include W3TC_INC_DIR . '/options/cdn.php';
}
/**
* Admin notices action
*
* @return void
*/
function admin_notices()
{
w3_require_once(W3TC_INC_FUNCTIONS_DIR . '/admin_ui.php');
w3_require_once(W3TC_INC_FUNCTIONS_DIR . '/admin.php');
$cookie_domain = w3_get_cookie_domain();
$error_messages = array('fancy_permalinks_disabled_pgcache' => sprintf(__('Fancy permalinks are disabled. Please %s it first, then re-attempt to enabling enhanced disk mode.', 'w3-total-cache'), w3_button_link('enable', 'options-permalink.php')), 'fancy_permalinks_disabled_browsercache' => sprintf(__('Fancy permalinks are disabled. Please %s it first, then re-attempt to enabling the \'Do not process 404 errors for static objects with WordPress\'.', 'w3-total-cache'), w3_button_link('enable', 'options-permalink.php')), 'support_request_type' => __('Please select request type.', 'w3-total-cache'), 'support_request_url' => __('Please enter the address of the site in the site <acronym title="Uniform Resource Locator">URL</acronym> field.', 'w3-total-cache'), 'support_request_name' => __('Please enter your name in the Name field', 'w3-total-cache'), 'support_request_email' => __('Please enter valid email address in the E-Mail field.', 'w3-total-cache'), 'support_request_phone' => __('Please enter your phone in the phone field.', 'w3-total-cache'), 'support_request_subject' => __('Please enter subject in the subject field.', 'w3-total-cache'), 'support_request_description' => __('Please describe the issue in the issue description field.', 'w3-total-cache'), 'support_request_wp_login' => __('Please enter an administrator login. Create a temporary one just for this support case if needed.', 'w3-total-cache'), 'support_request_wp_password' => __('Please enter WP Admin password, be sure it\'s spelled correctly.', 'w3-total-cache'), 'support_request_ftp_host' => __('Please enter <acronym title="Secure Shell">SSH</acronym> or <acronym title="File Transfer Protocol">FTP</acronym> host for the site.', 'w3-total-cache'), 'support_request_ftp_login' => __('Please enter <acronym title="Secure Shell">SSH</acronym> or <acronym title="File Transfer Protocol">FTP</acronym> login for the server. Create a temporary one just for this support case if needed.', 'w3-total-cache'), 'support_request_ftp_password' => __('Please enter <acronym title="Secure Shell">SSH</acronym> or <acronym title="File Transfer Protocol">FTP</acronym> password for the <acronym title="File Transfer Protocol">FTP</acronym> account.', 'w3-total-cache'), 'support_request' => __('Unable to send the support request.', 'w3-total-cache'), 'config_import_no_file' => __('Please select config file.', 'w3-total-cache'), 'config_import_upload' => __('Unable to upload config file.', 'w3-total-cache'), 'config_import_import' => __('Configuration file could not be imported.', 'w3-total-cache'), 'config_reset' => sprintf(__('Default settings could not be restored. Please run <strong>chmod 777 %s</strong> to make the configuration file write-able, then try again.', 'w3-total-cache'), W3TC_CONFIG_DIR), 'cdn_purge_attachment' => __('Unable to purge attachment.', 'w3-total-cache'), 'pgcache_purge_post' => __('Unable to purge post.', 'w3-total-cache'), 'pgcache_purge_page' => __('Unable to purge page.', 'w3-total-cache'), 'enable_cookie_domain' => sprintf(__('<strong>%swp-config.php</strong> could not be written, please edit config and add:<br /><strong style="color:#f00;">define(\'COOKIE_DOMAIN\', \'%s\');</strong> before <strong style="color:#f00;">require_once(ABSPATH . \'wp-settings.php\');</strong>.', 'w3-total-cache'), ABSPATH, addslashes($cookie_domain)), 'disable_cookie_domain' => sprintf(__('<strong>%swp-config.php</strong> could not be written, please edit config and add:<br /><strong style="color:#f00;">define(\'COOKIE_DOMAIN\', false);</strong> before <strong style="color:#f00;">require_once(ABSPATH . \'wp-settings.php\');</strong>.', 'w3-total-cache'), ABSPATH), 'cloudflare_api_request' => __('Unable to make CloudFlare API request.', 'w3-total-cache'));
$note_messages = array('config_save' => __('Plugin configuration successfully updated.', 'w3-total-cache'), 'flush_all' => __('All caches successfully emptied.', 'w3-total-cache'), 'flush_all_except_cf' => __('All caches except CloudFlare successfully emptied.', 'w3-total-cache'), 'flush_memcached' => __('Memcached cache(s) successfully emptied.', 'w3-total-cache'), 'flush_opcode' => __('Opcode cache(s) successfully emptied.', 'w3-total-cache'), 'flush_apc_system' => __('APC system cache successfully emptied', 'w3-total-cache'), 'flush_file' => __('Disk cache(s) successfully emptied.', 'w3-total-cache'), 'flush_pgcache' => __('Page cache successfully emptied.', 'w3-total-cache'), 'flush_dbcache' => __('Database cache successfully emptied.', 'w3-total-cache'), 'flush_objectcache' => __('Object cache successfully emptied.', 'w3-total-cache'), 'flush_fragmentcache' => __('Fragment cache successfully emptied.', 'w3-total-cache'), 'flush_minify' => __('Minify cache successfully emptied.', 'w3-total-cache'), 'flush_browser_cache' => __('Media Query string has been successfully updated.', 'w3-total-cache'), 'flush_varnish' => __('Varnish servers successfully purged.', 'w3-total-cache'), 'flush_cdn' => __('CDN was successfully purged.', 'w3-total-cache'), 'support_request' => __('The support request has been successfully sent.', 'w3-total-cache'), 'config_import' => __('Settings successfully imported.', 'w3-total-cache'), 'config_reset' => __('Settings successfully restored.', 'w3-total-cache'), 'preview_enable' => __('Preview mode was successfully enabled', 'w3-total-cache'), 'preview_disable' => __('Preview mode was successfully disabled', 'w3-total-cache'), 'preview_deploy' => __('Preview settings successfully deployed. Preview mode remains enabled until it\'s disabled. Continue testing new settings or disable preview mode if done.', 'w3-total-cache'), 'cdn_purge_attachment' => __('Attachment successfully purged.', 'w3-total-cache'), 'pgcache_purge_post' => __('Post successfully purged.', 'w3-total-cache'), 'pgcache_purge_page' => __('Page successfully purged.', 'w3-total-cache'), 'new_relic_save' => __('New relic settings have been updated.', 'w3-total-cache'), 'add_in_removed' => __('The add-in has been removed.', 'w3-total-cache'));
$errors = array();
$notes = array();
$environment_error_present = false;
// print errors happened during last request execution,
// when we decided to redirect with error message instead of
// printing it directly (to avoid reexecution on refresh)
$message_id = W3_Request::get_string('w3tc_message');
if ($message_id) {
$v = get_transient('w3tc_message.' . $message_id);
set_transient('w3tc_message.' . $message_id, null);
if (isset($v['errors']) && is_array($v['errors'])) {
foreach ($v['errors'] as $error) {
if (isset($error_messages[$error])) {
$errors[] = $error_messages[$error];
} else {
$errors[] = $error;
}
}
}
if (isset($v['notes']) && is_array($v['notes'])) {
foreach ($v['notes'] as $note) {
if (isset($note_messages[$note])) {
$notes[] = $note_messages[$note];
} else {
$notes[] = $note;
}
}
}
}
/*
* Filesystem environment fix, if needed
*/
try {
global $pagenow;
if ($pagenow == 'plugins.php' || substr(W3_Request::get_string('page'), 0, 5) == 'w3tc_') {
$environment = w3_instance('W3_AdminEnvironment');
$environment->fix_in_wpadmin($this->_config);
if (isset($_REQUEST['upgrade'])) {
$notes[] = __('Required files and directories have been automatically created', 'w3-total-cache');
}
}
} catch (SelfTestExceptions $exs) {
$r = w3_parse_selftest_exceptions($exs);
foreach ($r['before_errors'] as $e) {
$errors[] = $e;
}
if (strlen($r['required_changes']) > 0) {
$changes_style = 'border: 1px solid black; ' . 'background: white; ' . 'margin: 10px 30px 10px 30px; ' . 'padding: 10px; display: none';
$ftp_style = 'border: 1px solid black; background: white; ' . 'margin: 10px 30px 10px 30px; ' . 'padding: 10px; display: none';
$ftp_form = str_replace('class="wrap"', '', $exs->credentials_form());
$ftp_form = str_replace('<form ', '<form name="w3tc_ftp_form" ', $ftp_form);
$ftp_form = str_replace('<fieldset>', '', $ftp_form);
$ftp_form = str_replace('</fieldset>', '', $ftp_form);
$ftp_form = str_replace('id="upgrade" class="button"', 'id="upgrade" class="button w3tc-button-save"', $ftp_form);
$error = '<strong>W3 Total Cache Error:</strong> ' . 'Files and directories could not be automatically ' . 'created to complete the installation. ' . '<table>' . '<tr>' . '<td>Please execute commands manually</td>' . '<td>' . w3_button('View required changes', '', 'w3tc-show-required-changes') . '</td>' . '</tr>' . '<tr>' . '<td>or use FTP form to allow ' . '<strong>W3 Total Cache</strong> make it automatically.' . '</td>' . '<td>' . w3_button('Update via FTP', '', 'w3tc-show-ftp-form') . '</td>' . '</tr></table>' . '<div class="w3tc-required-changes" style="' . $changes_style . '">' . $r['required_changes'] . '</div>' . '<div class="w3tc-ftp-form" style="' . $ftp_style . '">' . $ftp_form . '</div>';
$environment_error_present = true;
$errors[] = $error;
}
foreach ($r['later_errors'] as $e) {
$errors[] = $e;
}
}
/**
* CloudFlare notifications
* @var $w3_cloudflare W3_CloudFlare
*/
$w3_cloudflare = w3_instance('W3_CloudFlare');
if ($error = $w3_cloudflare->check_lasterror()) {
$this->_errors[] = $error;
}
w3_require_once(W3TC_LIB_W3_DIR . '/Request.php');
$error = W3_Request::get_string('w3tc_error');
$note = W3_Request::get_string('w3tc_note');
/**
* Handle messages from reqeust
*/
if ($error == 'cloudflare_api_request' && $w3_cloudflare->get_fault_signaled()) {
// dont complain twice on cloudflare
} elseif (isset($error_messages[$error])) {
$errors[] = $error_messages[$error];
}
if (isset($note_messages[$note])) {
$notes[] = $note_messages[$note];
}
/**
* CDN notifications
*/
if ($this->_config->get_boolean('cdn.enabled') && !w3_is_cdn_mirror($this->_config->get_string('cdn.engine'))) {
/**
* @var $ui_cdn_notes W3_UI_CdnNotes
*/
$cdn_notes = w3_instance('W3_UI_CdnNotes');
$this->_notes = array_merge($this->_notes, $cdn_notes->notifications($this->_config));
$this->_errors = array_merge($this->_errors, $cdn_notes->errors());
}
/**
* Show notification after plugin activate/deactivate
*/
if ($this->_config->get_boolean('notes.plugins_updated')) {
$texts = array();
if ($this->_config->get_boolean('pgcache.enabled')) {
$texts[] = w3_button_link(__('empty the page cache', 'w3-total-cache'), wp_nonce_url(sprintf('admin.php?page=%s&w3tc_flush_pgcache', $this->_page), 'w3tc'));
}
if ($this->_config->get_boolean('minify.enabled')) {
$texts[] = sprintf(__('check the %s to maintain the desired user experience', 'w3-total-cache'), w3_button_hide_note(__('minify settings', 'w3-total-cache'), 'plugins_updated', 'admin.php?page=w3tc_minify'));
}
if (count($texts)) {
$notes[] = sprintf(__('One or more plugins have been activated or deactivated, please %s. %s', 'w3-total-cache'), implode(__(' and ', 'w3-total-cache'), $texts), w3_button_hide_note(__('Hide this message', 'w3-total-cache'), 'plugins_updated'));
}
}
/**
* Show notification when page cache needs to be emptied
*/
if ($this->_config->get_boolean('pgcache.enabled') && $this->_config->get('notes.need_empty_pgcache') && !$this->_config->is_preview()) {
$notes[] = sprintf('The setting change(s) made either invalidate the cached data or modify the behavior of the site. %s now to provide a consistent user experience.', w3_button_link('Empty the page cache', wp_nonce_url(sprintf('admin.php?page=%s&w3tc_flush_pgcache', $this->_page), 'w3tc')));
}
/**
* Show notification when object cache needs to be emptied
*/
if ($this->_config->get_boolean('objectcache.enabled') && $this->_config->get('notes.need_empty_objectcache') && !$this->_config->is_preview()) {
$notes[] = sprintf(__('The setting change(s) made either invalidate the cached data or modify the behavior of the site. %s now to provide a consistent user experience.', 'w3-total-cache'), w3_button_link(__('Empty the object cache', 'w3-total-cache'), wp_nonce_url(sprintf('admin.php?page=%s&w3tc_flush_objectcache', $this->_page), 'w3tc')));
}
/**
* Minify notifications
*/
if ($this->_config->get_boolean('minify.enabled')) {
/**
* Minify error occured
*/
if ($this->_config_admin->get_boolean('notes.minify_error')) {
$errors[] = sprintf(__('Recently an error occurred while creating the CSS / JS minify cache: %s. %s', 'w3-total-cache'), $this->_config_admin->get_string('minify.error.last'), w3_button_hide_note(__('Hide this message', 'w3-total-cache'), 'minify_error', '', true));
}
/**
* Show notification when minify needs to be emptied
*/
if ($this->_config->get_boolean('notes.need_empty_minify') && !$this->_config->is_preview()) {
$notes[] = sprintf(__('The setting change(s) made either invalidate the cached data or modify the behavior of the site. %s now to provide a consistent user experience.', 'w3-total-cache'), w3_button_link(__('Empty the minify cache', 'w3-total-cache'), wp_nonce_url(sprintf('admin.php?page=%s&w3tc_flush_minify', $this->_page), 'w3tc')));
}
}
if ($this->_config->get_boolean('newrelic.enabled') && $this->_config_admin->get_boolean('notes.new_relic_page_load_notification')) {
/**
* @var W3_UI_NewRelicNotes $newrelic_notes
*/
$newrelic_notes = w3_instance('W3_UI_NewRelicNotes');
$this->_notes = array_merge($this->_notes, $newrelic_notes->notifications($this->_config));
}
/**
* Show notification if user can remove old w3tc folders
*/
if ($this->_config_admin->get_boolean('notes.remove_w3tc')) {
w3_require_once(W3TC_INC_DIR . '/functions/update.php');
$folders = w3_find_old_folders();
$folders = array_map('basename', $folders);
$notes[] = sprintf(__('The directory w3tc can be deleted. %s: %s. However, <em>do not remove the w3tc-config directory</em>. %s', 'w3-total-cache'), WP_CONTENT_DIR, implode(', ', $folders), w3_button_hide_note('Hide this message', 'remove_w3tc', '', true));
}
// print errors which happened during current request execution
foreach ($this->_errors as $error) {
$errors[] = $error;
}
// print notes which happened during current request execution
foreach ($this->_notes as $note) {
$notes[] = $note;
}
/**
* Show messages
*/
foreach ($notes as $note) {
echo sprintf('<div class="updated fade"><p>%s</p></div>', $note);
}
foreach ($errors as $error) {
echo sprintf('<div class="error"><p>%s</p></div>', $error);
}
}
/**
* Admin bar menu
*
* @return void
*/
function admin_bar_menu()
{
global $wp_admin_bar;
if (current_user_can('manage_options')) {
/**
* @var $modules W3_ModuleStatus
*/
$modules = w3_instance('W3_ModuleStatus');
$can_empty_memcache = $modules->can_empty_memcache();
$can_empty_opcode = $modules->can_empty_opcode();
$can_empty_file = $modules->can_empty_file();
$can_empty_varnish = $modules->can_empty_varnish();
$browsercache_update_media_qs = $this->_config->get_boolean('browsercache.cssjs.replace') || $this->_config->get_boolean('browsercache.other.replace');
//$cdn_enabled = $modules->is_enabled('cdn');
$cdn_engine = $modules->get_module_engine('cdn');
$cdn_mirror = w3_is_cdn_mirror($cdn_engine);
$menu_items = array(array('id' => 'w3tc', 'title' => __('Performance', 'w3-total-cache'), 'href' => admin_url('admin.php?page=w3tc_dashboard')));
if ($modules->is_enabled('pgcache') && w3_detect_post_id() && (!defined('DOING_AJAX') || !DOING_AJAX)) {
$menu_items[] = array('id' => 'w3tc-pgcache-purge-post', 'parent' => 'w3tc', 'title' => __('Purge From Cache', 'w3-total-cache'), 'href' => wp_nonce_url(admin_url('admin.php?page=w3tc_dashboard&w3tc_flush_pgcache_purge_post&post_id=' . w3_detect_post_id()), 'w3tc'));
}
if ($can_empty_file && ($can_empty_opcode || $can_empty_memcache)) {
$menu_items[] = array('id' => 'w3tc-flush-file', 'parent' => 'w3tc-empty-caches', 'title' => __('Empty Disc Cache(s)', 'w3-total-cache'), 'href' => wp_nonce_url(admin_url('admin.php?page=w3tc_dashboard&w3tc_flush_file'), 'w3tc'));
}
if ($can_empty_opcode && ($can_empty_file || $can_empty_memcache)) {
$menu_items[] = array('id' => 'w3tc-flush-opcode', 'parent' => 'w3tc-empty-caches', 'title' => __('Empty Opcode Cache', 'w3-total-cache'), 'href' => wp_nonce_url(admin_url('admin.php?page=w3tc_dashboard&w3tc_flush_opcode'), 'w3tc'));
}
if ($can_empty_memcache && ($can_empty_file || $can_empty_opcode)) {
$menu_items[] = array('id' => 'w3tc-flush-memcached', 'parent' => 'w3tc-empty-caches', 'title' => __('Empty Memcached Cache(s)', 'w3-total-cache'), 'href' => wp_nonce_url(admin_url('admin.php?page=w3tc_dashboard&w3tc_flush_memcached'), 'w3tc'));
}
if ($modules->is_enabled('browsercache') && $browsercache_update_media_qs) {
$menu_items[] = array('id' => 'w3tc-update-media-qs', 'parent' => 'w3tc', 'title' => __('Update Media Query String', 'w3-total-cache'), 'href' => wp_nonce_url(admin_url('admin.php?page=w3tc_dashboard&w3tc_flush_browser_cache'), 'w3tc'));
}
if ($modules->plugin_is_enabled()) {
$menu_items[] = array('id' => 'w3tc-empty-caches', 'parent' => 'w3tc', 'title' => __('Empty All Caches', 'w3-total-cache'), 'href' => wp_nonce_url(admin_url('admin.php?page=w3tc_dashboard&w3tc_flush_all'), 'w3tc'));
$menu_items[] = array('id' => 'w3tc-modules', 'parent' => 'w3tc', 'title' => __('Empty Modules', 'w3-total-cache'));
}
if ($modules->is_enabled('pgcache')) {
$menu_items[] = array('id' => 'w3tc-flush-pgcache', 'parent' => 'w3tc-modules', 'title' => __('Empty Page Cache', 'w3-total-cache'), 'href' => wp_nonce_url(admin_url('admin.php?page=w3tc_dashboard&w3tc_flush_pgcache'), 'w3tc'));
}
if ($modules->is_enabled('minify')) {
$menu_items[] = array('id' => 'w3tc-flush-minify', 'parent' => 'w3tc-modules', 'title' => __('Empty Minify Cache', 'w3-total-cache'), 'href' => wp_nonce_url(admin_url('admin.php?page=w3tc_dashboard&w3tc_flush_minify'), 'w3tc'));
}
if ($modules->is_enabled('dbcache')) {
$menu_items[] = array('id' => 'w3tc-flush-dbcache', 'parent' => 'w3tc-modules', 'title' => __('Empty Database Cache', 'w3-total-cache'), 'href' => wp_nonce_url(admin_url('admin.php?page=w3tc_dashboard&w3tc_flush_dbcache'), 'w3tc'));
}
if ($modules->is_enabled('objectcache')) {
$menu_items[] = array('id' => 'w3tc-flush-objectcache', 'parent' => 'w3tc-modules', 'title' => __('Empty Object Cache', 'w3-total-cache'), 'href' => wp_nonce_url(admin_url('admin.php?page=w3tc_dashboard&w3tc_flush_objectcache'), 'w3tc'));
}
if (w3_is_pro($this->_config) || w3_is_enterprise($this->_config)) {
if ($modules->is_enabled('fragmentcache')) {
$menu_items[] = array('id' => 'w3tc-flush-fragmentcache', 'parent' => 'w3tc-modules', 'title' => __('Empty Fragment Cache', 'w3-total-cache'), 'href' => wp_nonce_url(admin_url('admin.php?page=w3tc_dashboard&w3tc_flush_fragmentcache'), 'w3tc'));
}
}
if ($modules->is_enabled('varnish')) {
$menu_items[] = array('id' => 'w3tc-flush-varnish', 'parent' => 'w3tc-modules', 'title' => __('Purge Varnish Cache', 'w3-total-cache'), 'href' => wp_nonce_url(admin_url('admin.php?page=w3tc_dashboard&w3tc_flush_varnish'), 'w3tc'));
}
if ($modules->is_enabled('cdn')) {
if (w3_can_cdn_purge($cdn_engine)) {
$menu_items[] = array('id' => 'w3tc-cdn-purge', 'parent' => 'w3tc', 'title' => __('Purge CDN', 'w3-total-cache'), 'href' => wp_nonce_url(admin_url('admin.php?page=w3tc_cdn&w3tc_cdn_purge'), 'w3tc'), 'meta' => array('onclick' => "w3tc_popupadmin_bar(this.href); return false"));
}
if (w3_cdn_can_purge_all($cdn_engine)) {
$menu_items[] = array('id' => 'w3tc-cdn-purge-full', 'parent' => 'w3tc', 'title' => __('Purge CDN Completely', 'w3-total-cache'), 'href' => wp_nonce_url(admin_url('admin.php?page=w3tc_cdn&w3tc_flush_cdn'), 'w3tc'));
}
if (!$cdn_mirror) {
$menu_items[] = array('id' => 'w3tc-cdn-queue', 'parent' => 'w3tc', 'title' => __('Unsuccessful file transfers', 'w3-total-cache'), 'href' => wp_nonce_url(admin_url('admin.php?page=w3tc_cdn&w3tc_cdn_queue'), 'w3tc'), 'meta' => array('onclick' => "w3tc_popupadmin_bar(this.href); return false"));
}
}
$menu_items = array_merge($menu_items, array(array('id' => 'w3tc-faq', 'parent' => 'w3tc', 'title' => __('FAQ', 'w3-total-cache'), 'href' => admin_url('admin.php?page=w3tc_faq')), array('id' => 'w3tc-support', 'parent' => 'w3tc', 'title' => __('<span style="color: red; background: none;">Support</span>', 'w3-total-cache'), 'href' => admin_url('admin.php?page=w3tc_support'))));
foreach ($menu_items as $menu_item) {
$wp_admin_bar->add_menu($menu_item);
}
}
}
/**
* Convert local uri path to CDN type specific path
* @param $local_uri_path
* @return string
*/
function uri_to_cdn_uri($local_uri_path)
{
if (w3_is_network() && defined('DOMAIN_MAPPING') && DOMAIN_MAPPING) {
$local_uri_path = str_replace(w3_get_site_url(), '', $local_uri_path);
}
$engine = $this->_config->get_string('cdn.engine');
if (w3_is_cdn_mirror($engine)) {
if (w3_is_network() && strpos($local_uri_path, 'files') === 0) {
$upload_dir = wp_upload_dir();
return ltrim($this->abspath_to_relative_path(dirname($upload_dir['basedir'])) . '/' . $local_uri_path, '/');
}
}
$remote_path = $local_uri_path;
return ltrim($remote_path, "/");
}
/**
* 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 W3_Config $current_config
* @param W3_Config $new_config
* @param W3_ConfigAdmin $new_config_admin
* @return bool
* @throws Exception
*/
function w3_config_save($current_config, $new_config, $new_config_admin)
{
$master_config = $new_config->is_master() ? $new_config : new W3_Config(true);
if ($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 W3_Config();
$browsercache_dependencies = array();
if ($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', '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.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
*/
$modules = w3_instance('W3_ModuleStatus');
if ($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)) {
$new_config->set('notes.need_empty_pgcache', true);
}
}
/**
* Show need empty minify notification
*/
if ($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
*/
$modules = w3_instance('W3_ModuleStatus');
if ($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)) {
$new_config->set('notes.need_empty_minify', true);
}
}
if ($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)) {
$new_config->set('notes.cdn_reupload', true);
}
}
/**
* Show need empty object cache notification
*/
if ($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)) {
$new_config->set('notes.need_empty_objectcache', true);
}
}
if ($current_config->get_boolean('newrelic.enabled')) {
if ($current_config->get_boolean('pgcache.enabled')) {
if (w3_is_network() && $current_config->get_boolean('common.force_master')) {
$new_config->set('pgcache.late_init', true);
}
}
}
do_action('w3tc_saved_options', $new_config, $new_config_admin);
/**
* Save config
*/
try {
$new_config_admin->save();
$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 = w3_instance('W3_AdminEnvironment');
$environment->fix_in_wpadmin($new_config);
} catch (Exception $ex) {
}
// retry save process and complain now on failure
try {
$new_config_admin->save();
$new_config->save();
} catch (Exception $ex) {
throw new Exception('<strong>Can\'t change configuration</strong>: ' . $ex->getMessage());
}
}
$w3_plugin_cdn = w3_instance('W3_Plugin_CdnAdmin');
/**
* Empty caches on engine change or cache enable/disable
*/
if ($old_config->get_string('pgcache.engine') != $new_config->get_string('pgcache.engine') || $old_config->get_string('pgcache.enabled') != $new_config->get_string('pgcache.enabled')) {
w3tc_pgcache_flush();
}
if ($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 = w3_instance('W3_AdminEnvironment');
$environment->fix_on_event($new_config, 'config_change', $old_config);
/**
* Update support us option
*/
w3_instance('W3_AdminLinks')->link_update($current_config);
/**
* 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'))) {
w3_cdn_upload_minify();
}
/**
* Auto upload browsercache files to CDN
*/
if ($new_config->get_boolean('cdn.enabled') && $new_config->get_string('cdn.engine') == 'ftp') {
w3_cdn_delete_browsercache($current_config);
w3_cdn_upload_browsercache($current_config);
}
/**
* Update CloudFront CNAMEs
*/
if ($update_cf_cnames) {
$error = null;
$w3_plugin_cdn->update_cnames($error);
}
return true;
}
/**
* Purges files from CDN
*
* @param array $files
* @param boolean $queue_failed
* @param array $results
* @return boolean
*/
function purge($files, $queue_failed, &$results)
{
/**
* Purge varnish servers before mirror purging
*/
if (w3_is_cdn_mirror($this->_config->get_string('cdn_engine')) && $this->_config->get_boolean('varnish.enabled')) {
$varnish =& w3_instance('W3_Varnish');
foreach ($files as $remote_path) {
$varnish->purge($remote_path);
}
}
/**
* Purge CDN
*/
$cdn =& $this->get_cdn();
@set_time_limit($this->_config->get_integer('timelimit.cdn_purge'));
$return = $cdn->purge($files, $results);
if (!$return && $queue_failed) {
foreach ($results as $result) {
if ($result['result'] != W3TC_CDN_RESULT_OK) {
$this->queue_add($result['local_path'], $result['remote_path'], W3TC_CDN_COMMAND_PURGE, $result['error']);
}
}
}
return $return;
}
/**
* 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;
}
/**
* 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;
}
/**
* Returns config value
*
* @param string $key
* @param mixed $default
* @return mixed
*/
function get($key, $default = null)
{
if (array_key_exists($key, $this->_keys) && array_key_exists($key, $this->_config)) {
$value = $this->_config[$key];
} else {
if ($default === null && array_key_exists($key, $this->_defaults)) {
$value = $this->_defaults[$key];
} else {
$value = $default;
}
}
switch ($key) {
/**
* Check cache engines
*/
case 'pgcache.engine':
case 'dbcache.engine':
case 'minify.engine':
case 'objectcache.engine':
/**
* Legacy support
*/
if ($value == 'file_pgcache') {
$value = 'file_generic';
}
switch (true) {
case $value == 'file_generic' && !w3_can_check_rules():
case $value == 'apc' && !function_exists('apc_store'):
case $value == 'eaccelerator' && !function_exists('eaccelerator_put'):
case $value == 'xcache' && !function_exists('xcache_set'):
case $value == 'wincache' && !function_exists('wincache_ucache_set'):
case $value == 'memcached' && !class_exists('Memcache'):
return 'file';
}
break;
/**
* Check HTML minifier
*/
/**
* Check HTML minifier
*/
case 'minify.html.engine':
if ($value == 'htmltidy' && !class_exists('tidy')) {
return 'html';
}
break;
/**
* Disabled some page cache options when enhanced mode enabled
*/
/**
* Disabled some page cache options when enhanced mode enabled
*/
case 'pgcache.cache.query':
if ($this->get_string('pgcache.engine') == 'file_generic') {
return false;
}
break;
/**
* Set default value to sitemap file
*/
/**
* Set default value to sitemap file
*/
case 'pgcache.prime.sitemap':
if (!$value) {
$value = w3_get_home_url() . '/sitemap.xml';
}
break;
/**
* Disabled minify when PHP5 is not installed
*/
/**
* Disabled minify when PHP5 is not installed
*/
case 'minify.enabled':
if (!W3TC_PHP5) {
return false;
}
break;
/**
* Disable minify rewrite when server rules are not supported
*/
/**
* Disable minify rewrite when server rules are not supported
*/
case 'minify.rewrite':
if (!w3_can_check_rules()) {
return false;
}
break;
/**
* Disable minify options for auto mode
*/
/**
* Disable minify options for auto mode
*/
case 'minify.upload':
if ($this->get_boolean('minify.auto')) {
return false;
}
break;
/**
* Minify groups legacy support
*/
/**
* Minify groups legacy support
*/
case 'minify.js.groups':
case 'minify.css.groups':
/**
* Support <= 0.8.5.2 versions
*/
if (is_array($value) && count($value)) {
$group = current($value);
if (is_array($group) && count($group)) {
$location = current($group);
if (isset($location['files'])) {
if (function_exists('get_theme')) {
$theme = get_theme(get_current_theme());
$theme_key = w3_get_theme_key($theme['Theme Root'], $theme['Template'], $theme['Stylesheet']);
$value = array($theme_key => $value);
return $value;
}
}
}
}
/**
* Support <= 0.9.1.3 versions
*/
$wp_themes = get_themes();
foreach ($value as $theme_key => $templates) {
if (strlen($theme_key) == 5) {
break;
}
foreach ($wp_themes as $wp_theme) {
$wp_theme_key = w3_get_theme_key_legacy($wp_theme['Theme Root'], $wp_theme['Template'], $wp_theme['Stylesheet']);
if ($theme_key == $wp_theme_key) {
$new_theme_key = w3_get_theme_key($wp_theme['Theme Root'], $wp_theme['Template'], $wp_theme['Stylesheet']);
$value[$new_theme_key] = $templates;
unset($theme_key);
break;
}
}
}
break;
/**
* Disable CDN minify when PHP5 is not installed or minify is disabled
*/
/**
* Disable CDN minify when PHP5 is not installed or minify is disabled
*/
case 'cdn.minify.enable':
if (!W3TC_PHP5 || !$this->get_boolean('minify.rewrite') || $this->get_boolean('minify.auto') && !w3_is_cdn_mirror($this->get_string('cdn.engine'))) {
return false;
}
break;
/**
* Check CDN engines
*/
/**
* Check CDN engines
*/
case 'cdn.engine':
/**
* Check for PHP5
*/
if (in_array($value, array('rscf', 'azure')) && !W3TC_PHP5) {
return 'mirror';
}
/**
* Check for CURL
*/
if (in_array($value, array('s3', 'cf', 'cf2', 'rscf')) && !function_exists('curl_init')) {
return 'mirror';
}
/**
* Check for FTP
*/
if ($value == 'ftp' && !function_exists('ftp_connect')) {
return 'mirror';
}
/**
* Check for SHA 256 functions
*/
if ($value == 'netdna' && !function_exists('hash') && !function_exists('mhash')) {
return 'mirror';
}
break;
/**
* Disable no 404 wp feature when server rules are not supported
*/
/**
* Disable no 404 wp feature when server rules are not supported
*/
case 'browsercache.no404wp':
if (!w3_can_check_rules()) {
return false;
}
break;
}
return $value;
}
/**
* 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;
}