public static function setupCaching()
{
self::$cacheType = wfConfig::get('cacheType');
if (self::$cacheType != 'php' && self::$cacheType != 'falcon') {
return;
//cache is disabled
}
if (wfUtils::hasLoginCookie()) {
add_action('publish_post', 'wfCache::action_publishPost');
add_action('publish_page', 'wfCache::action_publishPost');
foreach (array('clean_object_term_cache', 'clean_post_cache', 'clean_term_cache', 'clean_page_cache', 'after_switch_theme', 'customize_save_after', 'activated_plugin', 'deactivated_plugin', 'update_option_sidebars_widgets') as $action) {
add_action($action, 'wfCache::action_clearPageCache');
//Schedules a cache clear for immediately so it won't lag current request.
}
if ($_SERVER['REQUEST_METHOD'] == 'POST') {
foreach (array('/\\/wp\\-admin\\/options\\.php$/', '/\\/wp\\-admin\\/options\\-permalink\\.php$/') as $pattern) {
if (preg_match($pattern, $_SERVER['REQUEST_URI'])) {
self::scheduleCacheClear();
break;
}
}
}
}
add_action('wordfence_cache_clear', 'wfCache::scheduledCacheClear');
add_action('wordfence_update_blocked_IPs', 'wfCache::scheduleUpdateBlockedIPs');
add_action('comment_post', 'wfCache::action_commentPost');
//Might not be logged in
add_filter('wp_redirect', 'wfCache::redirectFilter');
//Routines to clear cache run even if cache is disabled
$file = self::fileFromRequest($_SERVER['HTTP_HOST'] ? $_SERVER['HTTP_HOST'] : $_SERVER['SERVER_NAME'], $_SERVER['REQUEST_URI']);
$fileDeleted = false;
$doDelete = false;
if ($_SERVER['REQUEST_METHOD'] != 'GET') {
//If our URL is hit with a POST, PUT, DELETE or any other non 'GET' request, then clear cache.
$doDelete = true;
}
if ($doDelete) {
@unlink($file);
$fileDeleted = true;
}
add_action('wp_logout', 'wfCache::logout');
if (self::isCachable()) {
if (!$fileDeleted && self::$cacheType == 'php') {
//Then serve the file if it's still valid
$stat = @stat($file);
if ($stat) {
$age = time() - $stat[9];
if ($age < 10000) {
readfile($file);
//sends file to stdout
die;
}
}
}
ob_start('wfCache::obComplete');
//Setup routine to store the file
}
}
