cache_buster = $cache_buster; $this->main_instance = $main_instance; if( !function_exists('get_home_path') ) require_once ABSPATH . 'wp-admin/includes/file.php'; $this->htaccess_path = get_home_path().'.htaccess'; $this->actions(); } function actions() { // Purge cache cronjob add_action( 'swcfpc_cache_purge_cron', array($this, 'purge_cache_queue_job') ); add_filter( 'cron_schedules', array($this, 'purge_cache_queue_custom_interval') ); add_action( 'shutdown', array($this, 'purge_cache_queue_start_cronjob'), PHP_INT_MAX ); // SEO redirect for all URLs that for any reason have been indexed together with the cache buster if( $this->main_instance->get_single_config('cf_seo_redirect', 1) > 0 ) { add_action('init', array($this, 'redirect_301_real_url'), 0); } add_action( 'wp_footer', array($this, 'inject_cache_buster_js_code'), PHP_INT_MAX ); add_action( 'admin_footer', array($this, 'inject_cache_buster_js_code'), PHP_INT_MAX ); // Auto prefetch URLs add_action( 'wp_footer', array($this, 'prefetch_urls'), PHP_INT_MAX ); // Ajax preloader start add_action( 'wp_ajax_swcfpc_preloader_start', array($this, 'ajax_preloader_start') ); // Ajax unlock preloader add_action( 'wp_ajax_swcfpc_preloader_unlock', array($this, 'ajax_preloader_unlock') ); // Ajax clear whole cache add_action( 'wp_ajax_swcfpc_purge_whole_cache', array($this, 'ajax_purge_whole_cache') ); // Force purge everything add_action( 'wp_ajax_swcfpc_purge_everything', array($this, 'ajax_purge_everything') ); // Ajax clear single post cache add_action( 'wp_ajax_swcfpc_purge_single_post_cache', array($this, 'ajax_purge_single_post_cache') ); // Ajax reset all add_action( 'wp_ajax_swcfpc_reset_all', array($this, 'ajax_reset_all') ); //add_action( 'init', array( $this, 'force_bypass_for_logged_in_users' ), PHP_INT_MAX ); // This sets response headers for backend add_action( 'init', array($this, 'setup_response_headers_backend'), 0 ); // These set response headers for frontend add_action( 'send_headers', array($this, 'bypass_cache_on_init'), PHP_INT_MAX ); add_action( 'template_redirect', array($this, 'apply_cache'), PHP_INT_MAX ); //add_filter( 'wp_headers', array($this, 'setup_response_headers_filter'), PHP_INT_MAX ); // Purge cache via cronjob add_action( 'init', array($this, 'cronjob_purge_cache') ); // Start preloader via cronjob add_action( 'init', array($this, 'cronjob_preloader') ); // W3TC actions if( $this->main_instance->get_single_config('cf_w3tc_purge_on_flush_dbcache', 0) > 0 ) add_action( 'w3tc_flush_dbcache', array($this, 'w3tc_hooks'), PHP_INT_MAX ); if( $this->main_instance->get_single_config('cf_w3tc_purge_on_flush_all', 0) > 0 ) add_action( 'w3tc_flush_all', array($this, 'w3tc_hooks'), PHP_INT_MAX ); if( $this->main_instance->get_single_config('cf_w3tc_purge_on_flush_fragmentcache', 0) > 0 ) add_action( 'w3tc_flush_fragmentcache', array($this, 'w3tc_hooks'), PHP_INT_MAX ); if( $this->main_instance->get_single_config('cf_w3tc_purge_on_flush_objectcache', 0) > 0 ) add_action( 'w3tc_flush_objectcache', array($this, 'w3tc_hooks'), PHP_INT_MAX ); if( $this->main_instance->get_single_config('cf_w3tc_purge_on_flush_posts', 0) > 0 ) add_action( 'w3tc_flush_posts', array($this, 'w3tc_hooks'), PHP_INT_MAX ); if( $this->main_instance->get_single_config('cf_w3tc_purge_on_flush_posts', 0) > 0 ) add_action( 'w3tc_flush_post', array($this, 'w3tc_hooks'), PHP_INT_MAX ); if( $this->main_instance->get_single_config('cf_w3tc_purge_on_flush_minfy', 0) > 0 ) add_action( 'w3tc_flush_minify', array($this, 'w3tc_hooks'), PHP_INT_MAX ); // WP-Optimize actions if( $this->main_instance->get_single_config('cf_wp_optimize_purge_on_cache_flush', 0) > 0 ) add_action( 'wpo_cache_flush', array($this, 'wpo_hooks'), PHP_INT_MAX ); // WP Performance actions if( $this->main_instance->get_single_config('cf_wp_performance_purge_on_cache_flush', 0) > 0 ) add_action( 'wpp-after-cache-delete', array($this, 'wp_performance_hooks'), PHP_INT_MAX ); // WP Rocket actions if( $this->main_instance->get_single_config('cf_wp_rocket_purge_on_post_flush', 0) > 0 ) add_action( 'after_rocket_clean_post', array($this, 'wp_rocket_after_rocket_clean_post_hook'), PHP_INT_MAX ); if( $this->main_instance->get_single_config('cf_wp_rocket_purge_on_domain_flush', 0) > 0 ) add_action( 'after_rocket_clean_domain', array($this, 'wp_rocket_hooks'), PHP_INT_MAX ); if( $this->main_instance->get_single_config('cf_wp_rocket_purge_on_cache_dir_flush', 0) > 0 ) add_action( 'rocket_after_automatic_cache_purge_dir', array($this, 'wp_rocket_hooks'), PHP_INT_MAX ); if( $this->main_instance->get_single_config('cf_wp_rocket_purge_on_clean_files', 0) > 0 ) add_action( 'after_rocket_clean_files', array($this, 'wp_rocket_selective_url_purge_hooks'), PHP_INT_MAX, 1 ); if( $this->main_instance->get_single_config('cf_wp_rocket_purge_on_clean_cache_busting', 0) > 0 ) add_action( 'after_rocket_clean_cache_busting', array($this, 'wp_rocket_hooks'), PHP_INT_MAX ); if( $this->main_instance->get_single_config('cf_wp_rocket_purge_on_clean_minify', 0) > 0 ) add_action( 'after_rocket_clean_minify', array($this, 'wp_rocket_hooks'), PHP_INT_MAX ); if( $this->main_instance->get_single_config('cf_wp_rocket_purge_on_ccss_generation_complete', 0) > 0 ) add_action( 'rocket_critical_css_generation_process_complete', array($this, 'wp_rocket_hooks'), PHP_INT_MAX ); if( $this->main_instance->get_single_config('cf_wp_rocket_purge_on_rucss_job_complete', 0) > 0 ) add_action( 'rocket_rucss_complete_job_status', array($this, 'wp_rocket_selective_url_purge_hooks'), PHP_INT_MAX, 1 ); if( $this->main_instance->get_single_config('cf_wp_rocket_disable_cache', 0) > 0 ) add_action( 'admin_init', array($this, 'wp_rocket_disable_page_cache'), PHP_INT_MAX ); // LiteSpeed actions if( $this->main_instance->get_single_config('cf_litespeed_purge_on_cache_flush', 0) > 0 ) add_action( 'litespeed_purged_all', array($this, 'litespeed_hooks'), PHP_INT_MAX ); if( $this->main_instance->get_single_config('cf_litespeed_purge_on_ccss_flush', 0) > 0 ) add_action( 'litespeed_purged_all_ccss', array($this, 'litespeed_hooks'), PHP_INT_MAX ); if( $this->main_instance->get_single_config('cf_litespeed_purge_on_cssjs_flush', 0) > 0 ) add_action( 'litespeed_purged_all_cssjs', array($this, 'litespeed_hooks'), PHP_INT_MAX ); if( $this->main_instance->get_single_config('cf_litespeed_purge_on_object_cache_flush', 0) > 0 ) add_action( 'litespeed_purged_all_object', array($this, 'litespeed_hooks'), PHP_INT_MAX ); if( $this->main_instance->get_single_config('cf_litespeed_purge_on_single_post_flush', 0) > 0 ) add_action( 'litespeed_api_purge_post', array($this, 'litespeed_single_post_hooks'), PHP_INT_MAX, 1 ); // Hummingbird actions if( $this->main_instance->get_single_config('cf_hummingbird_purge_on_cache_flush', 0) > 0 ) add_action( 'wphb_clear_cache_url', array($this, 'hummingbird_hooks'), PHP_INT_MAX ); // Woocommerce actions if( $this->main_instance->get_single_config('cf_auto_purge_woo_product_page', 0) > 0 ) add_action( 'woocommerce_updated_product_stock', array($this, 'woocommerce_purge_product_page_on_stock_change'), PHP_INT_MAX, 1 ); // Woocommerce scheduled sales if( $this->main_instance->get_single_config('cf_auto_purge_woo_scheduled_sales', 0) > 0 ) { add_action('wc_after_products_starting_sales', array($this, 'woocommerce_purge_scheduled_sales'), PHP_INT_MAX); add_action('wc_after_products_ending_sales', array($this, 'woocommerce_purge_scheduled_sales'), PHP_INT_MAX); } // Swift Performance (Lite/Pro) actions if( $this->main_instance->get_single_config('cf_spl_purge_on_flush_all', 0) > 0 ) { add_action('swift_performance_after_clear_all_cache', array($this, 'spl_purge_all'), PHP_INT_MAX); add_action('swift_performance_after_clear_expired_cache', array($this, 'spl_purge_all'), PHP_INT_MAX); add_action('swift_performance_after_clear_post_cache', array($this, 'spl_purge_single_post'), PHP_INT_MAX); } // Edd actions if( $this->main_instance->get_single_config('cf_auto_purge_edd_payment_add', 0) > 0 ) add_action( 'edd_built_order', array($this, 'edd_purge_cache_on_payment_add'), PHP_INT_MAX ); // Nginx Helper actions if( $this->main_instance->get_single_config('cf_nginx_helper_purge_on_cache_flush', 0) > 0 ) { add_action('rt_nginx_helper_after_fastcgi_purge_all', array($this, 'nginx_helper_purge_all_hooks'), PHP_INT_MAX); add_action('rt_nginx_helper_fastcgi_purge_url_base', array($this, 'nginx_helper_purge_single_url_hooks'), PHP_INT_MAX, 1); } // YASR actions if( $this->main_instance->get_single_config('cf_yasr_purge_on_rating', 0) > 0 ) { add_action('yasr_action_on_overall_rating', array($this, 'yasr_hooks'), PHP_INT_MAX, 1); add_action('yasr_action_on_visitor_vote', array($this, 'yasr_hooks'), PHP_INT_MAX, 1); add_action('yasr_action_on_visitor_multiset_vote', array($this, 'yasr_hooks'), PHP_INT_MAX, 1); } // WP Asset Clean Up actions if( $this->main_instance->get_single_config('cf_wpacu_purge_on_cache_flush', 0) > 0 ) add_action( 'wpacu_clear_cache_after', array($this, 'wpacu_hooks'), PHP_INT_MAX ); // Flying Press actions if( $this->main_instance->get_single_config('cf_flypress_purge_on_cache_flush', 0) > 0 ) { add_action( 'flying_press_purge_pages:after', array($this, 'flying_press_hook'), PHP_INT_MAX ); add_action( 'flying_press_purge_everything:after', array($this, 'flying_press_hook'), PHP_INT_MAX ); } // Autoptimize actions if( $this->main_instance->get_single_config('cf_autoptimize_purge_on_cache_flush', 0) > 0 ) add_action( 'autoptimize_action_cachepurged', array($this, 'autoptimize_hooks'), PHP_INT_MAX ); // Purge when upgrader process is complete if( $this->main_instance->get_single_config('cf_auto_purge_on_upgrader_process_complete', 0) > 0 ) add_action( 'upgrader_process_complete', array($this, 'purge_on_plugin_update'), PHP_INT_MAX ); // Bypass WP JSON REST if( $this->main_instance->get_single_config('cf_bypass_wp_json_rest', 0) > 0 ) add_filter( 'rest_send_nocache_headers', '__return_true' ); // Purge cache on comments add_action( 'transition_comment_status', array($this, 'purge_cache_when_comment_is_approved'), PHP_INT_MAX, 3 ); add_action( 'comment_post', array($this, 'purge_cache_when_new_comment_is_added'), PHP_INT_MAX, 3 ); add_action( 'delete_comment', array($this, 'purge_cache_when_comment_is_deleted'), PHP_INT_MAX ); // Programmatically purge the cache via action add_action( 'swcfpc_purge_cache', array($this, 'purge_cache_programmatically'), PHP_INT_MAX, 1 ); // Elementor AJAX update //add_action('elementor/ajax/register_actions', array($this, 'purge_cache_on_elementor_ajax_update')); $purge_actions = array( 'wp_update_nav_menu', // When a custom menu is updated 'update_option_theme_mods_' . get_option( 'stylesheet' ), // When any theme modifications are updated 'avada_clear_dynamic_css_cache', // When Avada theme purge its own cache 'switch_theme', // When user changes the theme 'customize_save_after', // Edit theme 'permalink_structure_changed', // When permalink structure is update ); foreach ($purge_actions as $action) { add_action( $action, array($this, 'purge_cache_on_theme_edit'), PHP_INT_MAX ); } $purge_actions = array( 'deleted_post', // Delete a post 'wp_trash_post', // Before a post is sent to the Trash 'clean_post_cache', // After a post’s cache is cleaned 'edit_post', // Edit a post - includes leaving comments 'delete_attachment', // Delete an attachment - includes re-uploading 'elementor/editor/after_save', // Elementor edit 'elementor/core/files/clear_cache', // Elementor clear cache ); foreach ($purge_actions as $action) { add_action( $action, array($this, 'purge_cache_on_post_edit'), PHP_INT_MAX, 2 ); } add_action( 'transition_post_status', array($this, 'purge_cache_when_post_is_published'), PHP_INT_MAX, 3 ); // Metabox if( $this->main_instance->get_single_config('cf_disable_single_metabox', 0) == 0 ) { add_action('add_meta_boxes', array($this, 'add_metaboxes'), PHP_INT_MAX); add_action('save_post', array($this, 'swcfpc_cache_mbox_save_values'), PHP_INT_MAX); } // Ajax enable page cache add_action( 'wp_ajax_swcfpc_enable_page_cache', array($this, 'ajax_enable_page_cache') ); // Ajax disable page cache add_action( 'wp_ajax_swcfpc_disable_page_cache', array($this, 'ajax_disable_page_cache') ); // Add wp_redirect filter to adding cache buster for logged in users add_filter( 'wp_redirect', array($this, 'wp_redirect_filter'), PHP_INT_MAX, 2 ); } function wp_rocket_disable_page_cache() { // Disable page caching in WP Rocket if( $this->is_cache_enabled() ) { // Prevent WP Rocket from writing to the advanced-cache.php file add_filter( 'rocket_generate_advanced_cache_file', '__return_false', PHP_INT_MAX ); // Disable WP Rocket mandatory cookies add_filter( 'rocket_cache_mandatory_cookies', '__return_empty_array', PHP_INT_MAX ); // Prevent WP Rocket from changing the WP_CACHE constant add_filter( 'rocket_set_wp_cache_constant', '__return_false', PHP_INT_MAX ); // Prevent WP Rocket from writing to the htaccess file add_filter( 'rocket_disable_htaccess', '__return_false', PHP_INT_MAX ); // Disable other WP Rocket stuffs that are not needed and handelled by this plugin add_filter( 'rocket_display_input_varnish_auto_purge', '__return_false', PHP_INT_MAX ); add_filter( 'do_rocket_generate_caching_files', '__return_false', PHP_INT_MAX ); } } function get_cache_buster() { return $this->cache_buster; } function add_metaboxes() { $allowed_post_types = apply_filters( 'swcfpc_bypass_cache_metabox_post_types', [ 'post', 'page' ] ); add_meta_box( 'swcfpc_cache_mbox', __('Cloudflare Page Cache Settings', 'wp-cloudflare-page-cache'), array($this, 'swcfpc_cache_mbox_callback'), $allowed_post_types, 'side' ); } function swcfpc_cache_mbox_callback($post) { $bypass_cache = (int) get_post_meta( $post->ID, 'swcfpc_bypass_cache', true ); ?> > > is_cache_enabled() ) { add_action( 'wp_footer', array( $this, 'inject_cache_buster_js_code' ), 100 ); add_action( 'admin_footer', array( $this, 'inject_cache_buster_js_code' ), 100 ); } } */ function redirect_301_real_url() { // For non logged-in users, only redirect when the request URL is not from a CRON job if( !is_user_logged_in() && ( isset($_GET['swcfpc-preloader']) || isset($_GET['swcfpc-purge-all']) ) ) return; // For non CRON job URLs, we will redirect if( !is_user_logged_in() && !empty( $_SERVER['QUERY_STRING'] ) ) { if( strlen( $_SERVER['QUERY_STRING'] ) > 0 && strpos( $_SERVER['QUERY_STRING'], $this->get_cache_buster() ) !== false ) { // Build the full URL $parts = parse_url( home_url() ); $current_uri = "{$parts['scheme']}://{$parts['host']}" . add_query_arg(NULL, NULL); // Strip out the cache buster $parsed = parse_url($current_uri); $query_string = $parsed['query']; parse_str($query_string, $params); unset($params[ $this->get_cache_buster() ]); $query_string = http_build_query($params); // Rebuild the full URL without the cache buster $current_uri = "{$parts['scheme']}://{$parts['host']}"; if( isset($parsed['path']) ) $current_uri .= $parsed['path']; if( strlen($query_string) > 0 ) $current_uri .= "?{$query_string}"; // SEO redirect wp_redirect( $current_uri, 301 ); die(); } } } function setup_response_headers_filter( $headers ) { if( !isset($headers['X-WP-CF-Super-Cache']) ) { $this->objects = $this->main_instance->get_objects(); if( ! $this->is_cache_enabled() ) { $this->objects['fallback_cache']->fallback_cache_disable(); $this->objects['html_cache']->do_not_cache_current_page(); $headers['X-WP-CF-Super-Cache'] = 'disabled'; } else if( $this->is_url_to_bypass() || $this->can_i_bypass_cache() ) { $this->objects['fallback_cache']->fallback_cache_disable(); $this->objects['html_cache']->do_not_cache_current_page(); $headers['Cache-Control'] = 'no-store, no-cache, must-revalidate, max-age=0'; $headers['X-WP-CF-Super-Cache-Cache-Control'] = 'no-store, no-cache, must-revalidate, max-age=0'; $headers['X-WP-CF-Super-Cache'] = 'no-cache'; $headers['Pragma'] = 'no-cache'; $headers['Expires'] = gmdate('D, d M Y H:i:s \G\M\T', time()); } else { $this->objects['fallback_cache']->fallback_cache_enable(); $this->objects['html_cache']->cache_current_page(); $headers['Cache-Control'] = $this->get_cache_control_value(); // Used by Cloudflare $headers['X-WP-CF-Super-Cache-Cache-Control'] = $this->get_cache_control_value(); // Used by all $headers['X-WP-CF-Super-Cache-Cookies-Bypass'] = $this->get_cookies_to_bypass_in_worker_mode(); // Used by CF worker $headers['X-WP-CF-Super-Cache-Active'] = '1'; // Used by CF worker $headers['X-WP-CF-Super-Cache'] = 'cache'; } } return $headers; } function setup_response_headers_backend() { $this->objects = $this->main_instance->get_objects(); if( is_admin() ) { $this->objects['fallback_cache']->fallback_cache_disable(); $this->objects['html_cache']->do_not_cache_current_page(); if( ! $this->is_cache_enabled() ) { add_filter('nocache_headers', function() { return array( 'X-WP-CF-Super-Cache' => 'disabled' ); }, PHP_INT_MAX); } else { add_filter('nocache_headers', function () { return array( 'Cache-Control' => 'no-store, no-cache, must-revalidate, max-age=0', 'X-WP-CF-Super-Cache-Cache-Control' => 'no-store, no-cache, must-revalidate, max-age=0', 'X-WP-CF-Super-Cache' => 'no-cache', 'Pragma' => 'no-cache', 'Expires' => gmdate('D, d M Y H:i:s \G\M\T', time()) ); }, PHP_INT_MAX); } return; } if( ! $this->is_cache_enabled() ) { $this->objects['fallback_cache']->fallback_cache_disable(); $this->objects['html_cache']->do_not_cache_current_page(); add_filter('nocache_headers', function() { return array( 'X-WP-CF-Super-Cache' => 'disabled' ); }, PHP_INT_MAX); } else if( $this->is_url_to_bypass() || $this->can_i_bypass_cache() ) { $this->objects['fallback_cache']->fallback_cache_disable(); $this->objects['html_cache']->do_not_cache_current_page(); add_filter('nocache_headers', function() { return array( 'Cache-Control' => 'no-store, no-cache, must-revalidate, max-age=0', 'X-WP-CF-Super-Cache-Cache-Control' => 'no-store, no-cache, must-revalidate, max-age=0', 'X-WP-CF-Super-Cache' => 'no-cache', 'Pragma' => 'no-cache', 'Expires' => gmdate('D, d M Y H:i:s \G\M\T', time()) ); }, PHP_INT_MAX); } else { $this->objects['fallback_cache']->fallback_cache_enable(); $this->objects['html_cache']->cache_current_page(); add_filter('nocache_headers', function() { return array( 'Cache-Control' => $this->get_cache_control_value(), // Used by Cloudflare 'X-WP-CF-Super-Cache-Cache-Control' => $this->get_cache_control_value(), // Used by all 'X-WP-CF-Super-Cache-Cookies-Bypass' => $this->get_cookies_to_bypass_in_worker_mode(), // Used by CF worker 'X-WP-CF-Super-Cache-Active' => '1', // Used by CF Worker 'X-WP-CF-Super-Cache' => 'cache' ); }, PHP_INT_MAX); } } function bypass_cache_on_init() { if( is_admin() ) return; $this->objects = $this->main_instance->get_objects(); if( ! $this->is_cache_enabled() ) { header('X-WP-CF-Super-Cache: disabled'); $this->objects['fallback_cache']->fallback_cache_disable(); $this->objects['html_cache']->do_not_cache_current_page(); return; } if( $this->skip_cache ) return; header_remove('Pragma'); header_remove('Expires'); header_remove('Cache-Control'); if( $this->is_url_to_bypass() ) { header('Cache-Control: no-store, no-cache, must-revalidate, max-age=0'); header('Pragma: no-cache'); header('Expires: '.gmdate('D, d M Y H:i:s \G\M\T', time())); header('X-WP-CF-Super-Cache: no-cache'); header('X-WP-CF-Super-Cache-Cache-Control: no-store, no-cache, must-revalidate, max-age=0'); $this->skip_cache = true; $this->objects['fallback_cache']->fallback_cache_disable(); $this->objects['html_cache']->do_not_cache_current_page(); return; } if( $this->is_cache_enabled() ) { $this->objects['fallback_cache']->fallback_cache_enable(); $this->objects['html_cache']->cache_current_page(); } } function apply_cache() { if( is_admin() ) return; $this->objects = $this->main_instance->get_objects(); if( ! $this->is_cache_enabled() ) { header('X-WP-CF-Super-Cache: disabled'); header('X-WP-CF-Super-Cache-Cache-Control: no-store, no-cache, must-revalidate, max-age=0'); $this->objects['fallback_cache']->fallback_cache_disable(); $this->objects['html_cache']->do_not_cache_current_page(); return; } if( $this->skip_cache ) { return; } if ( $this->can_i_bypass_cache() ) { header('Cache-Control: no-store, no-cache, must-revalidate, max-age=0'); header('Pragma: no-cache'); header('Expires: '.gmdate('D, d M Y H:i:s \G\M\T', time())); header('X-WP-CF-Super-Cache: no-cache'); header('X-WP-CF-Super-Cache-Cache-Control: no-store, no-cache, must-revalidate, max-age=0'); $this->objects['fallback_cache']->fallback_cache_disable(); $this->objects['html_cache']->do_not_cache_current_page(); return; } if( $this->main_instance->get_single_config('cf_strip_cookies', 0) > 0 ) { header_remove('Set-Cookie'); } header_remove('Pragma'); header_remove('Expires'); header_remove('Cache-Control'); header('Cache-Control: '.$this->get_cache_control_value()); header('X-WP-CF-Super-Cache: cache'); header('X-WP-CF-Super-Cache-Active: 1'); header('X-WP-CF-Super-Cache-Cache-Control: '.$this->get_cache_control_value()); header('X-WP-CF-Super-Cache-Cookies-Bypass: '.$this->get_cookies_to_bypass_in_worker_mode()); if( $this->is_cache_enabled() ) { $this->objects['fallback_cache']->fallback_cache_enable(); $this->objects['html_cache']->cache_current_page(); } } function purge_all($disable_preloader=false, $queue_mode=true, $force_purge_everything=false) { $this->objects = $this->main_instance->get_objects(); $error = ''; if( $queue_mode && $this->main_instance->get_single_config('cf_disable_cache_purging_queue', 0) == 0 ) { $this->purge_cache_queue_write(array(), true); } else { // Avoid to send multiple purge requests for the same session if( $this->purge_all_already_done ) return true; if( $force_purge_everything == false && $this->main_instance->get_single_config('cf_purge_only_html', 0) > 0 ) { $timestamp = time(); $cached_html_pages = $this->objects['html_cache']->get_cached_urls_by_timestamp($timestamp); if( is_array($cached_html_pages) ) { $cached_html_pages_count = count($cached_html_pages); if ($cached_html_pages_count > 0) { $this->objects['html_cache']->delete_cached_urls_by_timestamp($timestamp); if (!$this->objects['cloudflare']->purge_cache_urls($cached_html_pages, $error)) { $this->objects['logs']->add_log('cache_controller::purge_all', "Unable to purge some URLs from Cloudflare due to error: {$error}"); return false; } } else { $this->objects['logs']->add_log('cache_controller::purge_all', 'There are no HTML pages to purge'); } } } else { if (!$this->objects['cloudflare']->purge_cache($error)) { $this->objects['logs']->add_log('cache_controller::purge_all', "Unable to purge the whole Cloudflare cache due to error: {$error}"); return false; } if( $this->main_instance->get_single_config('cf_purge_only_html', 0) > 0 ) $this->objects['html_cache']->delete_all_cached_urls(); } if ($this->main_instance->get_single_config('cf_varnish_support', 0) > 0 && $this->main_instance->get_single_config('cf_varnish_auto_purge', 0) > 0) $this->objects['varnish']->purge_whole_cache($error); if ($this->main_instance->get_single_config('cf_fallback_cache', 0) > 0 && $this->main_instance->get_single_config('cf_fallback_cache_auto_purge', 0) > 0) $this->objects['fallback_cache']->fallback_cache_purge_all(); if ($this->main_instance->get_single_config('cf_opcache_purge_on_flush', 0) > 0) $this->purge_opcache(); if ($this->main_instance->get_single_config('cf_object_cache_purge_on_flush', 0) > 0) $this->purge_object_cache(); if ($this->main_instance->get_single_config('cf_wpengine_purge_on_flush', 0) > 0) $this->purge_wpengine_cache(); if ($this->main_instance->get_single_config('cf_spinupwp_purge_on_flush', 0) > 0) $this->purge_spinupwp_cache(); if ($this->main_instance->get_single_config('cf_kinsta_purge_on_flush', 0) > 0) $this->purge_kinsta_cache(); if ($this->main_instance->get_single_config('cf_siteground_purge_on_flush', 0) > 0) $this->purge_siteground_cache(); if( $this->main_instance->get_single_config('cf_purge_only_html', 0) == 0 || $force_purge_everything == true ) $this->objects['logs']->add_log('cache_controller::purge_all', 'Purged whole Cloudflare cache'); else { if( !is_array($cached_html_pages) || !$cached_html_pages_count ) $this->objects['logs']->add_log('cache_controller::purge_all', 'There are no HTML pages to purge'); else { if( $this->objects['logs']->get_verbosity() == SWCFPC_LOGS_HIGH_VERBOSITY ) { $this->objects['logs']->add_log('cache_controller::purge_all', "Purged only {$cached_html_pages_count} HTML pages from Cloudflare"); $this->objects['logs']->add_log('cache_controller::purge_all', 'Pages purged ' . print_r($cached_html_pages, true)); } else { $this->objects['logs']->add_log('cache_controller::purge_all', "Purged only {$cached_html_pages_count} HTML pages from Cloudflare"); } } } if ($disable_preloader === false && $this->main_instance->get_single_config('cf_preloader', 1) > 0 && $this->main_instance->get_single_config('cf_preloader_start_on_purge', 0) > 0) { $this->start_preloader_for_all_urls(); } do_action('swcfpc_purge_all'); // Reset timestamp for Auto prefetch URLs in viewport option if( $this->main_instance->get_single_config('cf_prefetch_urls_viewport', 0) > 0 ) $this->generate_new_prefetch_urls_timestamp(); $this->purge_all_already_done = true; } return true; } function purge_urls( $urls, $queue_mode=true ) { if( !is_array($urls) ) return false; $this->objects = $this->main_instance->get_objects(); $error = ''; // Strip out external links or invalid URLs foreach( $urls as $array_index => $single_url ) { if( $this->is_external_link($single_url) || substr( strtolower($single_url), 0, 4) != 'http' ) unset($urls[$array_index]); } if( $queue_mode && $this->main_instance->get_single_config('cf_disable_cache_purging_queue', 0) == 0 ) { $this->purge_cache_queue_write( $urls ); } else { $count_urls = count( $urls ); if (!$this->objects['cloudflare']->purge_cache_urls($urls, $error)) { $this->objects['logs']->add_log('cache_controller::purge_urls', "Unable to purge some URLs from Cloudflare due to error: {$error}"); return false; } if ($this->main_instance->get_single_config('cf_varnish_support', 0) > 0 && $this->main_instance->get_single_config('cf_varnish_auto_purge', 0) > 0) $this->objects['varnish']->purge_urls($urls); if ($this->main_instance->get_single_config('cf_fallback_cache', 0) > 0 && $this->main_instance->get_single_config('cf_fallback_cache_auto_purge', 0) > 0) $this->objects['fallback_cache']->fallback_cache_purge_urls($urls); if ($this->main_instance->get_single_config('cf_purge_only_html', 0) > 0 ) $this->objects['html_cache']->delete_cached_urls_by_urls_list($urls); if ($this->main_instance->get_single_config('cf_opcache_purge_on_flush', 0) > 0) $this->purge_opcache(); if ($this->main_instance->get_single_config('cf_object_cache_purge_on_flush', 0) > 0) $this->purge_object_cache(); if ($this->main_instance->get_single_config('cf_wpengine_purge_on_flush', 0) > 0) $this->purge_wpengine_cache(); if ($this->main_instance->get_single_config('cf_spinupwp_purge_on_flush', 0) > 0) { if( $count_urls > 1 ) $this->purge_spinupwp_cache(); else $this->purge_spinupwp_cache_single_url($urls[0]); } if ($this->main_instance->get_single_config('cf_kinsta_purge_on_flush', 0) > 0) { if( $count_urls > 1 ) $this->purge_kinsta_cache(); else $this->purge_kinsta_cache_single_url($urls[0]); } if ($this->main_instance->get_single_config('cf_siteground_purge_on_flush', 0) > 0) $this->purge_siteground_cache(); if ($this->main_instance->get_single_config('cf_preloader', 1) > 0 && $this->main_instance->get_single_config('cf_preloader_start_on_purge', 0) > 0) $this->start_cache_preloader_for_specific_urls($urls); //$this->unlock_cache_purge(); $this->objects['logs']->add_log('cache_controller::purge_urls', 'Purged specific URLs from Cloudflare cache'); do_action('swcfpc_purge_urls', $urls); // Reset timestamp for Auto prefetch URLs in viewport option if( $this->main_instance->get_single_config('cf_prefetch_urls_viewport', 0) > 0 ) $this->generate_new_prefetch_urls_timestamp(); } return true; } function cronjob_purge_cache() { if( $this->is_cache_enabled() && isset($_GET[$this->cache_buster]) && isset($_GET['swcfpc-purge-all']) && $_GET['swcfpc-sec-key'] == $this->main_instance->get_single_config('cf_purge_url_secret_key', wp_generate_password(20, false, false)) ) { $this->objects = $this->main_instance->get_objects(); $this->purge_all(false, false); $this->objects['logs']->add_log('cache_controller::cronjob_purge_cache', 'Cache purging complete' ); if ( ! headers_sent() ) { nocache_headers(); } die('Cache purged'); } } function cronjob_preloader() { if( isset($_GET[$this->cache_buster]) && isset($_GET['swcfpc-preloader']) && $_GET['swcfpc-sec-key'] == $this->main_instance->get_single_config('cf_preloader_url_secret_key', wp_generate_password(20, false, false)) && $this->main_instance->get_single_config('cf_preloader', 1) > 0 ) { $this->start_preloader_for_all_urls(); $this->objects = $this->main_instance->get_objects(); $this->objects['logs']->add_log('cache_controller::cronjob_preloader', 'Preloader started' ); if ( ! headers_sent() ) { nocache_headers(); } die('Preloader started'); } } function purge_cache_when_comment_is_approved($new_status, $old_status, $comment) { if( $this->main_instance->get_single_config('cf_auto_purge_on_comments', 0) > 0 && $this->is_cache_enabled() ) { if ($old_status != $new_status && $new_status == 'approved') { $current_action = function_exists('current_action') ? current_action() : ""; $this->objects = $this->main_instance->get_objects(); $urls = array(); $urls[] = get_permalink($comment->comment_post_ID); $this->purge_urls( $urls ); $this->objects['logs']->add_log('cache_controller::purge_cache_when_comment_is_approved', "Purge Cloudflare cache for only post {$comment->comment_post_ID} - Fired action: {$current_action}" ); } } } function purge_cache_when_new_comment_is_added( $comment_ID, $comment_approved, $commentdata ) { if( $this->main_instance->get_single_config('cf_auto_purge_on_comments', 0) > 0 && $this->is_cache_enabled() ) { if (isset($commentdata['comment_post_ID'])) { $current_action = function_exists('current_action') ? current_action() : ""; $this->objects = $this->main_instance->get_objects(); $error = ''; $urls = array(); $urls[] = get_permalink($commentdata['comment_post_ID']); $this->purge_urls( $urls ); $this->objects['logs']->add_log('cache_controller::purge_cache_when_new_comment_is_added', "Purge Cloudflare cache for only post {$commentdata['comment_post_ID']} - Fired action: {$current_action}" ); } } } function purge_cache_when_comment_is_deleted( $comment_ID ) { if( $this->main_instance->get_single_config('cf_auto_purge_on_comments', 0) > 0 && $this->is_cache_enabled() ) { $current_action = function_exists('current_action') ? current_action() : ""; $this->objects = $this->main_instance->get_objects(); $urls = array(); $comment = get_comment( $comment_ID ); $urls[] = get_permalink($comment->comment_post_ID); $this->purge_urls( $urls ); $this->objects['logs']->add_log('cache_controller::purge_cache_when_comment_is_deleted', "Purge Cloudflare cache for only post {$comment->comment_post_ID} - Fired action: {$current_action}" ); } } function purge_cache_when_post_is_published( $new_status, $old_status, $post ) { if( ($this->main_instance->get_single_config('cf_auto_purge', 0) > 0 || $this->main_instance->get_single_config('cf_auto_purge_all', 0) > 0) && $this->is_cache_enabled() ) { if ( in_array( $old_status, [ 'future', 'draft', 'pending' ] ) && in_array( $new_status, [ 'publish', 'private' ] ) ) { $current_action = function_exists('current_action') ? current_action() : ""; $this->objects = $this->main_instance->get_objects(); if ($this->main_instance->get_single_config('cf_auto_purge_all', 0) > 0) { $this->purge_all(); $this->objects['logs']->add_log('cache_controller::purge_cache_when_post_is_published', "Purge whole Cloudflare cache (fired action: {$current_action}"); } else { $urls = $this->get_post_related_links($post->ID); $this->purge_urls($urls); $this->objects['logs']->add_log('cache_controller::purge_cache_when_post_is_published', "Purge Cloudflare cache for only post id {$post->ID} and related contents - Fired action: {$current_action}"); } } } } function purge_cache_on_post_edit( $postId ) { static $done = []; if( isset( $done[ $postId ] ) ) { return; } // Do not run this on the WordPress Nav Menu Pages global $pagenow; if ( $pagenow === 'nav-menus.php' ) return; if( ($this->main_instance->get_single_config('cf_auto_purge', 0) > 0 || $this->main_instance->get_single_config('cf_auto_purge_all', 0) > 0) && $this->is_cache_enabled() ) { $current_action = function_exists('current_action') ? current_action() : ""; $this->objects = $this->main_instance->get_objects(); $error = ''; $validPostStatus = [ 'publish', 'trash', 'private' ]; $thisPostStatus = get_post_status($postId); if (get_permalink($postId) != true || !in_array($thisPostStatus, $validPostStatus)) { return; } if (is_int(wp_is_post_autosave($postId)) || is_int(wp_is_post_revision($postId))) { return; } if ($this->main_instance->get_single_config('cf_auto_purge_all', 0) > 0) { $this->purge_all(); return; } $savedPost = get_post($postId); if (is_a($savedPost, 'WP_Post') == false) { return; } $urls = $this->get_post_related_links($postId); $this->purge_urls($urls); $this->objects['logs']->add_log('cache_controller::purge_cache_on_post_edit', "Purge Cloudflare cache for only post id {$postId} and related contents - Fired action: {$current_action}"); $done[ $postId ] = true; } } function purge_cache_on_theme_edit() { if( ($this->main_instance->get_single_config('cf_auto_purge', 0) > 0 || $this->main_instance->get_single_config('cf_auto_purge_all', 0) > 0) && $this->is_cache_enabled() ) { $current_action = function_exists('current_action') ? current_action() : ""; $this->objects = $this->main_instance->get_objects(); $this->purge_all(); $this->objects['logs']->add_log('cache_controller::purge_cache_on_theme_edit', "Purge whole Cloudflare cache - Fired action: {$current_action}" ); } } function get_post_related_links($postId) { $this->objects = $this->main_instance->get_objects(); $listofurls = apply_filters( 'swcfpc_post_related_url_init', __return_empty_array(), $postId ); $postType = get_post_type($postId); // Post URL array_push($listofurls, get_permalink($postId)); //Purge taxonomies terms URLs $postTypeTaxonomies = get_object_taxonomies($postType); foreach ($postTypeTaxonomies as $taxonomy) { if( is_object($taxonomy) && ($taxonomy->public == false || $taxonomy->rewrite == false) ) { continue; } $terms = get_the_terms($postId, $taxonomy); if (empty($terms) || is_wp_error($terms)) { continue; } foreach ($terms as $term) { $termLink = get_term_link($term); if (!is_wp_error($termLink)) { array_push($listofurls, $termLink); if( $this->main_instance->get_single_config('cf_post_per_page', 0) > 0 ) { // Thanks to Davide Prevosto for the suggest $term_count = $term->count; $pages_number = ceil($term_count / $this->main_instance->get_single_config('cf_post_per_page', 0) ); $max_pages = $pages_number > 10 ? 10 : $pages_number; // Purge max 10 pages for ($i=2; $i<=$max_pages; $i++) { $paginated_url = "{$termLink}page/" . user_trailingslashit($i); array_push($listofurls, $paginated_url); } } } } } // Author URL array_push( $listofurls, get_author_posts_url(get_post_field('post_author', $postId)), get_author_feed_link(get_post_field('post_author', $postId)) ); // Archives and their feeds if (get_post_type_archive_link($postType) == true) { array_push( $listofurls, get_post_type_archive_link($postType), get_post_type_archive_feed_link($postType) ); } // Also clean URL for trashed post. if (get_post_status($postId) == 'trash') { $trashPost = get_permalink($postId); $trashPost = str_replace('__trashed', '', $trashPost); array_push($listofurls, $trashPost, "{$trashPost}feed/"); } // Feeds /* array_push( $listofurls, get_bloginfo_rss('rdf_url'), get_bloginfo_rss('rss_url'), get_bloginfo_rss('rss2_url'), get_bloginfo_rss('atom_url'), get_bloginfo_rss('comments_rss2_url'), get_post_comments_feed_link($postId) ); */ // Purge the home page as well if SWCFPC_HOME_PAGE_SHOWS_POSTS set to true if( defined( 'SWCFPC_HOME_PAGE_SHOWS_POSTS' ) && SWCFPC_HOME_PAGE_SHOWS_POSTS === true ) { array_push($listofurls, home_url('/')); } $pageLink = get_permalink(get_option('page_for_posts')); if (is_string($pageLink) && !empty($pageLink) && get_option('show_on_front') == 'page') { array_push($listofurls, $pageLink); } // Purge https and http URLs /* if (function_exists('force_ssl_admin') && force_ssl_admin()) { $listofurls = array_merge($listofurls, str_replace('https://', 'http://', $listofurls)); } elseif (!is_ssl() && function_exists('force_ssl_content') && force_ssl_content()) { $listofurls = array_merge($listofurls, str_replace('http://', 'https://', $listofurls)); } */ return $listofurls; } function reset_all( $keep_settings = false ) { $this->objects = $this->main_instance->get_objects(); $error = ''; // Purge all caches and prevent preloader to start $this->purge_all( true, false, true ); // Reset old browser cache TTL $this->objects['cloudflare']->change_browser_cache_ttl( $this->main_instance->get_single_config('cf_old_bc_ttl', 0), $error ); // Delete worker and route if( $this->main_instance->get_single_config('cf_woker_enabled', 0) > 0 ) { $this->objects['cloudflare']->worker_delete($error); if( $this->main_instance->get_single_config('cf_woker_route_id', '') != '' ) { $this->objects['cloudflare']->worker_route_delete($error); } } // Delete the page rule if( $this->main_instance->get_single_config('cf_page_rule_id', '') != '' ) { $this->objects['cloudflare']->delete_page_rule($this->main_instance->get_single_config('cf_page_rule_id', ''), $error); } // Delete additional page rule if exists if( $this->main_instance->get_single_config('cf_bypass_backend_page_rule_id', '') != '' ) { $this->objects['cloudflare']->delete_page_rule( $this->main_instance->get_single_config('cf_bypass_backend_page_rule_id', ''), $error ); } // Disable fallback cache if( defined('SWCFPC_ADVANCED_CACHE') ) { $this->objects['fallback_cache']->fallback_cache_advanced_cache_disable(); } // Delete all cached HTML pages temp files $this->objects['html_cache']->delete_all_cached_urls(); // Restore default plugin config if( $keep_settings == false ) { $this->main_instance->set_config($this->main_instance->get_default_config()); $this->main_instance->update_config(); } else { $this->main_instance->set_single_config('cf_cache_enabled', 0); $this->main_instance->update_config(); } // Delete all htaccess rules $this->reset_htaccess(); // Unschedule purge cache cron $timestamp = wp_next_scheduled( 'swcfpc_cache_purge_cron' ); if( $timestamp !== false ) { wp_unschedule_event($timestamp, 'swcfpc_cache_purge_cron'); wp_clear_scheduled_hook('swcfpc_cache_purge_cron'); } // Reset log $this->objects['logs']->reset_log(); $this->objects['logs']->add_log('cache_controller::reset_all', 'Reset complete' ); } function wp_redirect_filter($location, $status) { if( apply_filters('swcfpc_bypass_redirect_cache_buster', false, $location) === true ) return $location; if( !$this->is_cache_enabled() ) return $location; if( !is_user_logged_in() ) return $location; $this->objects = $this->main_instance->get_objects(); if( $this->main_instance->get_single_config('cf_woker_enabled', 0) > 0 ) return $location; if (version_compare(phpversion(), '8', '>=')) $cache_buster_exists = str_contains($location, $this->cache_buster); else $cache_buster_exists = strpos($location, $this->cache_buster); if ($cache_buster_exists == false) $location = add_query_arg( array($this->cache_buster => '1'), $location ); return $location; } function inject_cache_buster_js_code() { if( !$this->is_cache_enabled() ) return; if( $this->remove_cache_buster() ) return; if( !is_user_logged_in() ) return; // Make sure we don't add the following script for AMP endpoints as they are gonna be striped out by the AMP system anyway if( !is_admin() && ( function_exists('amp_is_request') && amp_is_request() ) || ( function_exists('ampforwp_is_amp_endpoint') && ampforwp_is_amp_endpoint() ) ) return; $this->objects = $this->main_instance->get_objects(); // Cache buster is disabled in worker mode if( $this->main_instance->get_single_config('cf_woker_enabled', 0) > 0 ) return; $selectors = 'a'; if( is_admin() ) $selectors = '#wp-admin-bar-my-sites-list a, #wp-admin-bar-site-name a, #wp-admin-bar-view-site a, #wp-admin-bar-view a, .row-actions a, .preview, #sample-permalink a, #message a, #editor .is-link, #editor .editor-post-preview, #editor .editor-post-permalink__link, .edit-post-post-link__preview-link-container .edit-post-post-link__link'; ?> main_instance->get_single_config('cf_prefetch_urls_viewport_timestamp', time()); if( $current_timestamp < time() ) { $current_timestamp = time()+120; // Cache the timestamp for 2 minutes $this->main_instance->set_single_config('cf_prefetch_urls_viewport_timestamp', $current_timestamp); $this->main_instance->update_config(); $this->objects = $this->main_instance->get_objects(); if( $this->objects['logs']->get_verbosity() == SWCFPC_LOGS_HIGH_VERBOSITY ) { $this->objects['logs']->add_log('cache_controller::generate_new_prefetch_urls_timestamp', "New timestamp generated: {$current_timestamp}"); } } return $current_timestamp; } function prefetch_urls() { if( !$this->is_cache_enabled() || is_user_logged_in() ) return; if( $this->main_instance->get_single_config('cf_prefetch_urls_viewport', 0) > 0 ): ?> objects = $this->main_instance->get_objects(); // Bypass API requests if( $this->main_instance->is_api_request() ) return true; // Bypass AMP if( $this->main_instance->get_single_config('cf_bypass_amp', 0) > 0 && preg_match('/(\/)((\?amp)|(amp\/))/', $_SERVER['REQUEST_URI']) ) { return true; } // Bypass sitemap if( $this->main_instance->get_single_config('cf_bypass_sitemap', 0) > 0 && strcasecmp($_SERVER['REQUEST_URI'], '/sitemap_index.xml') == 0 || preg_match('/[a-zA-Z0-9]-sitemap.xml$/', $_SERVER['REQUEST_URI']) ) { return true; } // Bypass robots.txt if( $this->main_instance->get_single_config('cf_bypass_file_robots', 0) > 0 && preg_match('/^\/robots.txt/', $_SERVER['REQUEST_URI']) ) { return true; } // Bypass the cache on excluded URLs $excluded_urls = $this->main_instance->get_single_config('cf_excluded_urls', array()); if( is_array($excluded_urls) && count($excluded_urls) > 0 ) { $current_url = $_SERVER['REQUEST_URI']; if( isset($_SERVER['QUERY_STRING']) && strlen($_SERVER['QUERY_STRING']) > 0 ) $current_url .= "?{$_SERVER['QUERY_STRING']}"; foreach( $excluded_urls as $url_to_exclude ) { if( $this->main_instance->wildcard_match($url_to_exclude, $current_url) ) return true; /* if( fnmatch($url_to_exclude, $current_url, FNM_CASEFOLD) ) { return true; } */ } } if( isset($_GET[$this->cache_buster]) || (isset($_SERVER['HTTP_X_REQUESTED_WITH']) && $_SERVER['HTTP_X_REQUESTED_WITH'] == 'XMLHttpRequest') || (defined('DOING_AJAX') && DOING_AJAX) || (defined( 'DOING_CRON' ) && DOING_CRON) ) { return true; } if( in_array($GLOBALS['pagenow'], array('wp-login.php', 'wp-register.php')) ) return true; return false; } function can_i_bypass_cache() { global $post; $this->objects = $this->main_instance->get_objects(); // Bypass the cache using filter if( has_filter('swcfpc_cache_bypass') ) { $cache_bypass = apply_filters('swcfpc_cache_bypass', false); if( $cache_bypass === true ) return true; } // Bypass post protected by password if( is_object($post) && post_password_required($post->ID) !== false ) { return true; } // Bypass single post by metabox if( $this->main_instance->get_single_config('cf_disable_single_metabox', 0) == 0 && is_object($post) && (int) get_post_meta( $post->ID, 'swcfpc_bypass_cache', true ) > 0 ) { return true; } // Bypass requests with query var if( $this->main_instance->get_single_config('cf_bypass_query_var', 0) > 0 && isset($_SERVER['QUERY_STRING']) && strlen($_SERVER['QUERY_STRING']) > 0 ) { return true; } // Bypass POST requests if( $this->main_instance->get_single_config('cf_bypass_post', 0) > 0 && isset($_SERVER['REQUEST_METHOD']) && $_SERVER['REQUEST_METHOD'] == 'POST' ) { return true; } // Bypass AJAX requests if( $this->main_instance->get_single_config('cf_bypass_ajax', 0) > 0 ) { if( function_exists( 'wp_doing_ajax' ) && wp_doing_ajax() ) { return true; } if( function_exists( 'is_ajax' ) && is_ajax() ) { return true; } if( (isset($_SERVER['HTTP_X_REQUESTED_WITH']) && $_SERVER['HTTP_X_REQUESTED_WITH'] == 'XMLHttpRequest') || (defined('DOING_AJAX') && DOING_AJAX) ) { return true; } } // Bypass EDD pages if( is_object($post) && $this->main_instance->get_single_config('cf_bypass_edd_checkout_page', 0) > 0 && function_exists( 'edd_get_option' ) && edd_get_option('purchase_page', 0) == $post->ID ) { return true; } if( is_object($post) && $this->main_instance->get_single_config('cf_bypass_edd_success_page', 0) > 0 && function_exists( 'edd_get_option' ) && edd_get_option('success_page', 0) == $post->ID ) { return true; } if( is_object($post) && $this->main_instance->get_single_config('cf_bypass_edd_failure_page', 0) > 0 && function_exists( 'edd_get_option' ) && edd_get_option('failure_page', 0) == $post->ID ) { return true; } if( is_object($post) && $this->main_instance->get_single_config('cf_bypass_edd_purchase_history_page', 0) > 0 && function_exists( 'edd_get_option' ) && edd_get_option('purchase_history_page', 0) == $post->ID ) { return true; } if( is_object($post) && $this->main_instance->get_single_config('cf_bypass_edd_login_redirect_page', 0) > 0 && function_exists( 'edd_get_option' ) && edd_get_option('login_redirect_page', 0) == $post->ID ) { return true; } // Bypass WooCommerce pages if( $this->main_instance->get_single_config('cf_bypass_woo_cart_page', 0) > 0 && function_exists( 'is_cart' ) && is_cart() ) { return true; } if( $this->main_instance->get_single_config('cf_bypass_woo_account_page', 0) > 0 && function_exists( 'is_account' ) && is_account() ) { return true; } if( $this->main_instance->get_single_config('cf_bypass_woo_checkout_page', 0) > 0 && function_exists( 'is_checkout' ) && is_checkout() ) { return true; } if( $this->main_instance->get_single_config('cf_bypass_woo_checkout_pay_page', 0) > 0 && function_exists( 'is_checkout_pay_page' ) && is_checkout_pay_page() ) { return true; } if( $this->main_instance->get_single_config('cf_bypass_woo_shop_page', 0) > 0 && function_exists( 'is_shop' ) && is_shop() ) { return true; } if( $this->main_instance->get_single_config('cf_bypass_woo_product_page', 0) > 0 && function_exists( 'is_product' ) && is_product() ) { return true; } if( $this->main_instance->get_single_config('cf_bypass_woo_product_cat_page', 0) > 0 && function_exists( 'is_product_category' ) && is_product_category() ) { return true; } if( $this->main_instance->get_single_config('cf_bypass_woo_product_tag_page', 0) > 0 && function_exists( 'is_product_tag' ) && is_product_tag() ) { return true; } if( $this->main_instance->get_single_config('cf_bypass_woo_product_tax_page', 0) > 0 && function_exists( 'is_product_taxonomy' ) && is_product_taxonomy() ) { return true; } if( $this->main_instance->get_single_config('cf_bypass_woo_pages', 0) > 0 && function_exists( 'is_woocommerce' ) && is_woocommerce() ) { return true; } // Bypass Wordpress pages if( $this->main_instance->get_single_config('cf_bypass_front_page', 0) > 0 && is_front_page() ) { return true; } if( $this->main_instance->get_single_config('cf_bypass_pages', 0) > 0 && is_page() ) { return true; } if( $this->main_instance->get_single_config('cf_bypass_home', 0) > 0 && is_home() ) { return true; } if( $this->main_instance->get_single_config('cf_bypass_archives', 0) > 0 && is_archive() ) { return true; } if( $this->main_instance->get_single_config('cf_bypass_tags', 0) > 0 && is_tag() ) { return true; } if( $this->main_instance->get_single_config('cf_bypass_category', 0) > 0 && is_category() ) { return true; } if( $this->main_instance->get_single_config('cf_bypass_feeds', 0) > 0 && is_feed() ) { return true; } if( $this->main_instance->get_single_config('cf_bypass_search_pages', 0) > 0 && is_search() ) { return true; } if( $this->main_instance->get_single_config('cf_bypass_author_pages', 0) > 0 && is_author() ) { return true; } if( $this->main_instance->get_single_config('cf_bypass_single_post', 0) > 0 && is_single() ) { return true; } if( $this->main_instance->get_single_config('cf_bypass_404', 0) > 0 && is_404() ) { return true; } /* if( $this->main_instance->get_single_config('cf_bypass_logged_in', 0) > 0 && is_user_logged_in() ) { return true; } */ if( is_user_logged_in() ) { return true; } // Bypass cache if the parameter swcfpc is setted or we are on backend if( isset($_GET[$this->cache_buster]) || is_admin() ) { return true; } return false; } function get_cookies_to_bypass_in_worker_mode() { $this->objects = $this->main_instance->get_objects(); $cookies_list = $this->main_instance->get_single_config('cf_worker_bypass_cookies', array()); if( !count($cookies_list) ) return 'swfpc-feature-not-enabled'; return trim( implode('|', $cookies_list) ); } function get_cache_control_value() { $this->objects = $this->main_instance->get_objects(); $value = 's-maxage='.$this->main_instance->get_single_config('cf_maxage', 604800).', max-age='.$this->main_instance->get_single_config('cf_browser_maxage', 60); return $value; } function is_cache_enabled() { $this->objects = $this->main_instance->get_objects(); if( $this->main_instance->get_single_config('cf_cache_enabled', 0) > 0 ) return true; return false; } function remove_cache_buster() { $this->objects = $this->main_instance->get_objects(); if( $this->main_instance->get_single_config('cf_remove_cache_buster', 0) > 0 ) { return true; } else { return false; } } function w3tc_hooks() { $current_action = function_exists('current_action') ? current_action() : ""; $this->objects = $this->main_instance->get_objects(); if( $current_action == 'w3tc_flush_minify' ) $this->purge_all(false, true, true); else $this->purge_all(); $this->objects['logs']->add_log('cache_controller::w3tc_hooks', "Purge whole Cloudflare cache (fired action: {$current_action})" ); } function wpo_hooks() { if( did_action( 'wpo_cache_flush' ) === 1 ) { $current_action = function_exists('current_action') ? current_action() : ""; $this->objects = $this->main_instance->get_objects(); $this->purge_all(); $this->objects['logs']->add_log('cache_controller::wpo_hooks', "Purge whole Cloudflare cache (fired action: {$current_action})" ); } } function wp_performance_hooks() { $current_action = function_exists('current_action') ? current_action() : ""; $this->objects = $this->main_instance->get_objects(); $this->purge_all(); $this->objects['logs']->add_log('cache_controller::wp_performance_hooks', "Purge whole Cloudflare cache (fired action: {$current_action})" ); } function wp_rocket_hooks() { // Do not run this on the WordPress Nav Menu Pages global $pagenow; if ( $pagenow === 'nav-menus.php' ) return; $current_action = function_exists('current_action') ? current_action() : ""; $this->objects = $this->main_instance->get_objects(); if( $current_action == 'after_rocket_clean_minify' ) $this->purge_all(false, true, true); else $this->purge_all(); $this->objects['logs']->add_log('cache_controller::wp_rocket_hooks', "Purge whole Cloudflare cache (fired action: {$current_action})" ); } function wp_rocket_after_rocket_clean_post_hook( $post ) { static $done = []; if( isset( $done[ $post->ID ] ) ) { return; } $current_action = function_exists('current_action') ? current_action() : ''; $this->objects = $this->main_instance->get_objects(); if( is_object( $post ) ) { $purged_post_url = get_permalink( $post->ID ); $this->purge_urls( array( $purged_post_url ) ); $this->objects['logs']->add_log('cache_controller::wp_rocket_after_rocket_clean_post_hook', "Purge Cloudflare cache for only URL {$purged_post_url} - Fired action: {$current_action}" ); } else { $this->objects['logs']->add_log('cache_controller::wp_rocket_after_rocket_clean_post_hook', "Unable to Purge Cloudflare cache. Valid post object not received - Fired action: {$current_action}" ); } $done[ $post->ID ] = true; } function wp_rocket_selective_url_purge_hooks( $url_to_purge ) { $current_action = function_exists('current_action') ? current_action() : ''; $this->objects = $this->main_instance->get_objects(); // If we are receiving only 1 URL then wrap it inside an array else if we are receiving an array of URLs then pass that $url_to_purge = is_array( $url_to_purge ) ? $url_to_purge : array( $url_to_purge ); $this->purge_urls( $url_to_purge ); $urls_purged = json_encode( $url_to_purge ); $this->objects['logs']->add_log('cache_controller::wp_rocket_selective_url_purge_hooks', "Purge Cloudflare cache for only URL {$urls_purged} - Fired action: {$current_action}" ); } function litespeed_hooks() { $current_action = function_exists('current_action') ? current_action() : ""; $this->objects = $this->main_instance->get_objects(); if( $current_action == 'litespeed_purged_all_cssjs' || $current_action == 'litespeed_purged_all' ) $this->purge_all(false, true, true); else $this->purge_all(); $this->objects['logs']->add_log('cache_controller::litespeed_hooks', "Purge whole Cloudflare cache (fired action: {$current_action})" ); } function litespeed_single_post_hooks( $post_id ) { static $done = []; if( isset( $done[ $post_id ] ) ) { return; } $current_action = function_exists('current_action') ? current_action() : ""; $this->objects = $this->main_instance->get_objects(); $urls = array(); $urls[] = get_permalink( $post_id ); $this->purge_urls( $urls ); $this->objects['logs']->add_log('cache_controller::litespeed_single_post_hooks', "Purge Cloudflare cache for only post {$post_id} - Fired action: {$current_action}" ); $done[ $post_id ] = true; } function hummingbird_hooks() { $current_action = function_exists('current_action') ? current_action() : ""; $this->objects = $this->main_instance->get_objects(); $this->purge_all(); $this->objects['logs']->add_log('cache_controller::hummingbird_hooks', "Purge whole Cloudflare cache (fired action: {$current_action})" ); } function nginx_helper_purge_all_hooks() { $current_action = function_exists('current_action') ? current_action() : ""; $this->objects = $this->main_instance->get_objects(); $this->purge_all(); $this->objects['logs']->add_log('cache_controller::nginx_helper_purge_all_hooks', "Purge whole Cloudflare cache (fired action: {$current_action})" ); } function nginx_helper_purge_single_url_hooks( $url_to_purge ) { if( $this->main_instance->get_single_config('cf_nginx_helper_purge_on_cache_flush', 0) > 0 ) { $current_action = function_exists('current_action') ? current_action() : ""; $this->objects = $this->main_instance->get_objects(); $this->purge_urls( array( $url_to_purge ) ); $this->objects['logs']->add_log('cache_controller::nginx_helper_purge_single_url_hooks', "Purge Cloudflare cache for only URL {$url_to_purge} - Fired action: {$current_action}" ); } } function yasr_hooks( $post_id ) { static $done = []; if( isset( $done[ $post_id ] ) ) { return; } $current_action = function_exists('current_action') ? current_action() : ""; $this->objects = $this->main_instance->get_objects(); $urls = array(); $post_id = is_array( $post_id ) ? $post_id[ 'post_id' ] : $post_id; $urls[] = get_permalink( $post_id ); $this->purge_urls( $urls ); $this->objects['logs']->add_log('cache_controller::yasr_hooks', "Purge Cloudflare cache for only post {$post_id} - Fired action: {$current_action}" ); $done[ $post_id ] = true; } function spl_purge_all() { $current_action = function_exists('current_action') ? current_action() : ""; $this->objects = $this->main_instance->get_objects(); if( $current_action == 'swift_performance_after_clear_all_cache' ) $this->purge_all(false, true, true); else $this->purge_all(); $this->purge_all(); $this->objects['logs']->add_log('cache_controller::spl_purge_all', "Purge whole Cloudflare cache (fired action: {$current_action})" ); } function spl_purge_single_post( $post_id ) { static $done = []; if( isset( $done[ $post_id ] ) ) { return; } if( $this->main_instance->get_single_config('cf_spl_purge_on_flush_single_post', 0) > 0 ) { $current_action = function_exists('current_action') ? current_action() : ""; $this->objects = $this->main_instance->get_objects(); $urls = array(); $urls[] = get_permalink( $post_id ); $this->purge_urls( $urls ); $this->objects['logs']->add_log('cache_controller::spl_purge_single_post', "Purge Cloudflare cache for only post {$post_id} - Fired action: {$current_action}" ); $done[ $post_id ] = true; } } function wpacu_hooks() { $current_action = function_exists('current_action') ? current_action() : ""; $this->objects = $this->main_instance->get_objects(); $this->purge_all(); $this->objects['logs']->add_log('cache_controller::wpacu_hooks', "Purge whole Cloudflare cache (fired action: {$current_action})" ); } function flying_press_hook() { $current_action = function_exists('current_action') ? current_action() : ""; $this->objects = $this->main_instance->get_objects(); $this->purge_all(false, true, true); $this->objects['logs']->add_log('cache_controller::flying_press_hook', "Purge whole Cloudflare cache (fired action: {$current_action})" ); } function autoptimize_hooks() { $current_action = function_exists('current_action') ? current_action() : ""; $this->objects = $this->main_instance->get_objects(); $this->purge_all(); $this->objects['logs']->add_log('cache_controller::autoptimize_hooks', "Purge whole Cloudflare cache (fired action: {$current_action})" ); } function purge_on_plugin_update() { $current_action = function_exists('current_action') ? current_action() : ""; $this->objects = $this->main_instance->get_objects(); $this->purge_all(false, true, true); $this->objects['logs']->add_log('cache_controller::purge_on_plugin_update', "Purge whole Cloudflare cache (fired action: {$current_action})" ); } function edd_purge_cache_on_payment_add() { $current_action = function_exists('current_action') ? current_action() : ""; $this->objects = $this->main_instance->get_objects(); $this->purge_all(); $this->objects['logs']->add_log('cache_controller::edd_purge_cache_on_payment_add', "Purge whole Cloudflare cache (fired action: {$current_action})" ); } /*function woocommerce_purge_product_page_on_stock_change( $order ) { if( $this->main_instance->get_single_config('cf_auto_purge_woo_product_page', 0) > 0 && function_exists('wc_get_order') ) { $items = $order->get_items(); $product_cats_ids = array(); $this->objects = $this->main_instance->get_objects(); $urls = array(); $error = ''; if( function_exists('wc_get_page_id') ) { $urls[] = get_permalink( wc_get_page_id('shop') ); } foreach ( $items as $item ) { $product_id = $item->get_product_id(); //$product_variation_id = $item->get_variation_id(); $product_cats_ids[] = wc_get_product_cat_ids( $product_id ); $urls = array_merge( $urls, $this->get_post_related_links( $product_id) ); } $urls = array_unique( $urls ); // Reduce the multidimensional array to a flat one and get rid of ducplicate product_cat IDS $product_cats_ids = call_user_func_array('array_merge', $product_cats_ids); $product_cats_ids = array_unique($product_cats_ids); foreach ( $product_cats_ids as $category_id ) { $urls[] = get_category_link( $category_id ); } $this->objects['cloudflare']->purge_cache_urls( $urls, $error ); $this->objects['logs']->add_log('cache_controller::woocommerce_purge_product_page_on_stock_change', 'Purge product pages and categories for WooCommerce order' ); } }*/ function woocommerce_purge_product_page_on_stock_change( $product_id ) { if( function_exists('wc_get_order') ) { $this->objects = $this->main_instance->get_objects(); $urls = array(); // Get shop page URL if (function_exists('wc_get_page_id')) { $urls[] = get_permalink(wc_get_page_id('shop')); } // Get product categories URLs $product_cats_ids = wc_get_product_cat_ids($product_id); foreach ($product_cats_ids as $category_id) { $urls[] = get_category_link($category_id); } // GET other related URLs $urls = array_merge($urls, $this->get_post_related_links($product_id)); $urls = array_unique($urls); $this->purge_urls($urls); $this->objects['logs']->add_log('cache_controller::woocommerce_purge_product_page_on_stock_change', 'Purge product pages and categories for WooCommerce order'); } } function woocommerce_purge_scheduled_sales( $product_id_list ) { $this->objects = $this->main_instance->get_objects(); $urls = array(); if (is_array($product_id_list) && count($product_id_list) > 0) { foreach ($product_id_list as $product_id) { $single_url = get_permalink($product_id); if ($single_url !== false) $urls[] = $single_url; } if (count($urls) > 0) $this->purge_urls($urls); } } function reset_htaccess() { if( function_exists('insert_with_markers') ) insert_with_markers( $this->htaccess_path, 'WP Cloudflare Super Page Cache', array() ); } function write_htaccess(&$error_msg) { $this->objects = $this->main_instance->get_objects(); $htaccess_lines = array(); if( $this->main_instance->get_single_config('cf_cache_control_htaccess', 0) > 0 && $this->is_cache_enabled() && $this->main_instance->get_single_config('cf_woker_enabled', 0) == 0 ) { $htaccess_lines[] = ''; //$htaccess_lines[] = 'Header unset Pragma "expr=resp(\'x-wp-cf-super-cache-active\') == \'1\'"'; //$htaccess_lines[] = 'Header always unset Pragma "expr=resp(\'x-wp-cf-super-cache-active\') == \'1\'"'; //$htaccess_lines[] = 'Header unset Expires "expr=resp(\'x-wp-cf-super-cache-active\') == \'1\'"'; //$htaccess_lines[] = 'Header always unset Expires "expr=resp(\'x-wp-cf-super-cache-active\') == \'1\'"'; //$htaccess_lines[] = 'Header unset Cache-Control "expr=resp(\'x-wp-cf-super-cache-active\') == \'1\'"'; //$htaccess_lines[] = 'Header always unset Cache-Control "expr=resp(\'x-wp-cf-super-cache-active\') == \'1\'"'; //$htaccess_lines[] = 'Header always set Cache-Control "' . $this->get_cache_control_value() . '" "expr=resp(\'x-wp-cf-super-cache-active\') == \'1\'"'; $htaccess_lines[] = 'Header unset Pragma "expr=resp(\'x-wp-cf-super-cache-cache-control\') != \'\'"'; $htaccess_lines[] = 'Header always unset Pragma "expr=resp(\'x-wp-cf-super-cache-cache-control\') != \'\'"'; $htaccess_lines[] = 'Header unset Expires "expr=resp(\'x-wp-cf-super-cache-cache-control\') != \'\'"'; $htaccess_lines[] = 'Header always unset Expires "expr=resp(\'x-wp-cf-super-cache-cache-control\') != \'\'"'; $htaccess_lines[] = 'Header unset Cache-Control "expr=resp(\'x-wp-cf-super-cache-cache-control\') != \'\'"'; $htaccess_lines[] = 'Header always unset Cache-Control "expr=resp(\'x-wp-cf-super-cache-cache-control\') != \'\'"'; // Add a cache-control header with the value of x-wp-cf-super-cache-cache-control response header $htaccess_lines[] = 'Header always set Cache-Control "expr=%{resp:x-wp-cf-super-cache-cache-control}" "expr=resp(\'x-wp-cf-super-cache-cache-control\') != \'\'"'; $htaccess_lines[] = ''; } if( $this->main_instance->get_single_config('cf_strip_cookies', 0) > 0 && $this->is_cache_enabled() ) { $htaccess_lines[] = ''; $htaccess_lines[] = 'Header unset Set-Cookie "expr=resp(\'x-wp-cf-super-cache-active\') == \'1\'"'; $htaccess_lines[] = 'Header always unset Set-Cookie "expr=resp(\'x-wp-cf-super-cache-active\') == \'1\'"'; $htaccess_lines[] = ''; } if( $this->main_instance->get_single_config('cf_bypass_sitemap', 0) > 0 && $this->is_cache_enabled() ) { $htaccess_lines[] = ''; $htaccess_lines[] = 'ExpiresActive on'; $htaccess_lines[] = 'ExpiresByType application/xml "access plus 0 seconds"'; $htaccess_lines[] = 'ExpiresByType text/xsl "access plus 0 seconds"'; $htaccess_lines[] = ''; $htaccess_lines[] = ''; $htaccess_lines[] = ''; $htaccess_lines[] = 'Header set Cache-Control "no-cache, no-store, must-revalidate, max-age=0"'; $htaccess_lines[] = ''; $htaccess_lines[] = ''; } if( $this->main_instance->get_single_config('cf_bypass_file_robots', 0) > 0 && $this->is_cache_enabled() ) { $htaccess_lines[] = ''; $htaccess_lines[] = ''; $htaccess_lines[] = 'Header set Cache-Control "no-cache, no-store, must-revalidate, max-age=0"'; $htaccess_lines[] = ''; $htaccess_lines[] = ''; } if( $this->main_instance->get_single_config('cf_browser_caching_htaccess', 0) > 0 && $this->is_cache_enabled() ) { // Cache CSS/JS/PDF for 1 month $htaccess_lines[] = ''; $htaccess_lines[] = ''; $htaccess_lines[] = 'Header set Cache-Control "public, must-revalidate, proxy-revalidate, immutable, max-age=2592000, stale-while-revalidate=86400, stale-if-error=604800"'; $htaccess_lines[] = ''; $htaccess_lines[] = ''; // Cache other static files for 1 year $htaccess_lines[] = ''; $htaccess_lines[] = ''; $htaccess_lines[] = 'Header set Cache-Control "public, must-revalidate, proxy-revalidate, immutable, max-age=31536000, stale-while-revalidate=86400, stale-if-error=604800"'; $htaccess_lines[] = ''; $htaccess_lines[] = ''; } // Disable direct access to log file $log_file_uri = $this->main_instance->get_plugin_wp_content_directory_uri() . '/debug.log'; $htaccess_lines[] = ''; $htaccess_lines[] = "RewriteCond %{REQUEST_URI} ^(.*)?{$log_file_uri}(.*)$"; $htaccess_lines[] = 'RewriteRule ^(.*)$ - [F]'; $htaccess_lines[] = ''; // Force cache bypass for wp-cron.php $htaccess_lines[] = ''; $htaccess_lines[] = ''; $htaccess_lines[] = 'Header set Cache-Control "no-cache, no-store, must-revalidate, max-age=0"'; $htaccess_lines[] = ''; $htaccess_lines[] = ''; $nginx_rules = $this->get_nginx_rules(); if( is_array($nginx_rules) ) { file_put_contents($this->main_instance->get_plugin_wp_content_directory() . '/nginx.conf', implode("\n", $nginx_rules)); } else { file_put_contents($this->main_instance->get_plugin_wp_content_directory() . '/nginx.conf', ''); } if( function_exists('insert_with_markers') && !insert_with_markers( $this->htaccess_path, 'WP Cloudflare Super Page Cache', $htaccess_lines ) ) { $error_msg = sprintf( __( 'The .htaccess file (%s) could not be edited. Check if the file has write permissions.', 'wp-cloudflare-page-cache' ), $this->htaccess_path ); return false; } return true; } function get_nginx_rules() { $this->objects = $this->main_instance->get_objects(); $log_file_uri = $this->main_instance->get_plugin_wp_content_directory_uri() . '/debug.log'; $nginx_lines = array(); if( $this->main_instance->get_single_config('cf_bypass_sitemap', 0) > 0 ) { $nginx_lines[] = 'location ~* \.(xml|xsl)$ { add_header Cache-Control "no-cache, no-store, must-revalidate, max-age=0"; expires -1; }'; } if( $this->main_instance->get_single_config('cf_bypass_file_robots', 0) > 0 ) { $nginx_lines[] = 'location /robots.txt { add_header Cache-Control "no-cache, no-store, must-revalidate, max-age=0"; expires -1; }'; } if( $this->main_instance->get_single_config('cf_browser_caching_htaccess', 0) > 0 ) { // Cache CSS/JS/PDF for 1 month $nginx_lines[] = 'location ~* \.(css|js|pdf)$ { add_header Cache-Control "public, must-revalidate, proxy-revalidate, immutable, max-age=2592000, stale-while-revalidate=86400, stale-if-error=604800"; expires 30d; }'; // Cache other static files for 1 year $nginx_lines[] = 'location ~* \.(jpg|jpeg|png|gif|ico|eot|swf|svg|webp|avif|ttf|otf|woff|woff2|ogg|mp4|mpeg|avi|mkv|webm|mp3)$ { add_header Cache-Control "public, must-revalidate, proxy-revalidate, immutable, max-age=31536000, stale-while-revalidate=86400, stale-if-error=604800"; expires 365d; }'; if( $this->main_instance->get_single_config('cf_bypass_sitemap', 0) == 0 ) $nginx_lines[] = 'location ~* \.(xml|xsl)$ { add_header Cache-Control "no-cache, no-store, must-revalidate, max-age=0"; expires -1; }'; } $nginx_lines[] = 'location /wp-cron.php { add_header Cache-Control "no-cache, no-store, must-revalidate, max-age=0"; expires -1; }'; // Disable direct access to log file $nginx_lines[] = "location = {$log_file_uri} { access_log off; deny all; }"; return $nginx_lines; } function ajax_purge_everything() { check_ajax_referer( 'ajax-nonce-string', 'security' ); $return_array = array('status' => 'ok'); $this->objects = $this->main_instance->get_objects(); if( ! $this->main_instance->can_current_user_purge_cache() ) { $return_array['status'] = 'error'; $return_array['error'] = __('Permission denied', 'wp-cloudflare-page-cache'); die(json_encode($return_array)); } $this->objects['logs']->add_log('cache_controller::ajax_purge_whole_cache', 'Purge whole Cloudflare cache' ); $this->purge_all(false, false, true); $return_array['success_msg'] = __('Cache purged successfully! It may take up to 30 seconds for the cache to be permanently cleaned by Cloudflare.', 'wp-cloudflare-page-cache'); die(json_encode($return_array)); } function ajax_purge_whole_cache() { check_ajax_referer( 'ajax-nonce-string', 'security' ); $return_array = array('status' => 'ok'); $this->objects = $this->main_instance->get_objects(); if( ! $this->main_instance->can_current_user_purge_cache() ) { $return_array['status'] = 'error'; $return_array['error'] = __('Permission denied', 'wp-cloudflare-page-cache'); die(json_encode($return_array)); } $this->objects['logs']->add_log('cache_controller::ajax_purge_whole_cache', 'Purge whole Cloudflare cache' ); $this->purge_all(false, false); $return_array['success_msg'] = __('Cache purged successfully! It may take up to 30 seconds for the cache to be permanently cleaned by Cloudflare.', 'wp-cloudflare-page-cache'); die(json_encode($return_array)); } function ajax_purge_single_post_cache() { check_ajax_referer( 'ajax-nonce-string', 'security' ); $return_array = array('status' => 'ok'); $data = stripslashes($_POST['data']); $data = json_decode($data, true); $this->objects = $this->main_instance->get_objects(); if( ! $this->main_instance->can_current_user_purge_cache() ) { $return_array['status'] = 'error'; $return_array['error'] = __('Permission denied', 'wp-cloudflare-page-cache'); die(json_encode($return_array)); } $post_id = (int) $data['post_id']; $urls = $this->get_post_related_links( $post_id ); if( ! $this->purge_urls( $urls, false ) ) { $return_array['status'] = 'error'; $return_array['error'] = __('An error occurred while cleaning the cache. Please check log file for further details.', 'wp-cloudflare-page-cache'); die(json_encode($return_array)); } $this->objects['logs']->add_log('cache_controller::ajax_purge_single_post_cache', "Purge Cloudflare cache for only post id {$post_id} and related contents" ); $return_array['success_msg'] = __('Cache purged successfully! It may take up to 30 seconds for the cache to be permanently cleaned by Cloudflare.', 'wp-cloudflare-page-cache'); die(json_encode($return_array)); } function ajax_reset_all() { check_ajax_referer( 'ajax-nonce-string', 'security' ); $return_array = array('status' => 'ok'); if( !current_user_can('manage_options') ) { $return_array['status'] = 'error'; $return_array['error'] = __('Permission denied', 'wp-cloudflare-page-cache'); die(json_encode($return_array)); } $this->reset_all(); $return_array['success_msg'] = __('Cloudflare and all configurations have been reset to the initial settings.', 'wp-cloudflare-page-cache'); die(json_encode($return_array)); } function can_i_start_preloader() { $preloader_lock = get_option('swcfpc_preloader_lock', 0); if( $preloader_lock == 0 || ((time()-$preloader_lock)/60) > 15 ) return true; return false; } function lock_preloader() { update_option('swcfpc_preloader_lock', time()); } function unlock_preloader() { update_option('swcfpc_preloader_lock', 0); } function is_purge_cache_queue_writable() { $purge_cache_lock = get_option('swcfpc_purge_cache_lock', 0); if( $purge_cache_lock == 0 || (time()-$purge_cache_lock) > 60 ) return true; return false; } function lock_cache_purge_queue() { update_option('swcfpc_purge_cache_lock', time()); } function unlock_cache_purge_queue() { update_option('swcfpc_purge_cache_lock', 0); } function purge_cache_queue_init_directory() { $cache_path = $this->main_instance->get_plugin_wp_content_directory().'/purge_cache_queue/'; if( ! file_exists($cache_path) && wp_mkdir_p( $cache_path ) ) { file_put_contents($cache_path . 'index.php', 'objects = $this->main_instance->get_objects(); while( ! $this->is_purge_cache_queue_writable() ) { $this->objects['logs']->add_log('cache_controller::purge_cache_queue_write', 'Queue file not writable. Sleep 1 second' ); sleep( 1 ); } $this->lock_cache_purge_queue(); $cache_queue_path = $this->purge_cache_queue_init_directory().'cache_queue.json'; $swcfpc_cache_queue = []; if( file_exists($cache_queue_path) ) { $swcfpc_cache_queue = json_decode( file_get_contents( $cache_queue_path ), true ); if( !is_array($swcfpc_cache_queue) || (is_array($swcfpc_cache_queue) && (!isset($swcfpc_cache_queue['purge_all']) || !isset($swcfpc_cache_queue['urls'])) )) { $this->unlock_cache_purge_queue(); return true; } if( $swcfpc_cache_queue['purge_all'] ) { $this->unlock_cache_purge_queue(); return true; } if( $swcfpc_cache_queue['purge_all'] === false && $purge_all === true ) { $swcfpc_cache_queue['purge_all'] = true; } else { $swcfpc_cache_queue['urls'] = array_unique( array_merge( $swcfpc_cache_queue['urls'], $urls ) ); } } else { $this->objects['logs']->add_log('cache_controller::purge_cache_queue_write', 'queue file not exist'); if( !is_array($urls) ) $urls = array(); $swcfpc_cache_queue = array('purge_all' => $purge_all, 'urls' => $urls); } if( $this->objects['logs']->get_verbosity() == SWCFPC_LOGS_HIGH_VERBOSITY ) { $this->objects['logs']->add_log('cache_controller::purge_cache_queue_write', 'URLs in purge queue ' . print_r($swcfpc_cache_queue, true)); } file_put_contents( $cache_queue_path, json_encode( $swcfpc_cache_queue ) ); $this->unlock_cache_purge_queue(); } function purge_cache_queue_custom_interval( $schedules ) { $schedules['swcfpc_purge_cache_cron_interval'] = array( 'interval' => ( defined('SWCFPC_PURGE_CACHE_CRON_INTERVAL') && SWCFPC_PURGE_CACHE_CRON_INTERVAL > 0 ) ? SWCFPC_PURGE_CACHE_CRON_INTERVAL : 10, 'display' => esc_html__( 'Super Page Cache for Cloudflare - Purge Cache Cron Interval' ,'wp-cloudflare-page-cache') ); return $schedules; } function purge_cache_queue_start_cronjob() { if( $this->main_instance->get_single_config('cf_disable_cache_purging_queue', 0) > 0 ) return false; $cache_queue_path = $this->purge_cache_queue_init_directory().'cache_queue.json'; $this->objects = $this->main_instance->get_objects(); // Purge queue file does not exist, so don't start purge events and unschedule running purge events if( ! file_exists($cache_queue_path) ) { $timestamp = wp_next_scheduled( 'swcfpc_cache_purge_cron' ); if( $timestamp !== false ) { if( wp_unschedule_event($timestamp, 'swcfpc_cache_purge_cron') ) { wp_clear_scheduled_hook('swcfpc_cache_purge_cron'); if( $this->objects['logs']->get_verbosity() == SWCFPC_LOGS_HIGH_VERBOSITY ) { $this->objects['logs']->add_log('cache_controller::purge_cache_queue_start_cronjob', "Purge queue scheduled event stopped successfully - Timestamp {$timestamp}"); } } else { if( $this->objects['logs']->get_verbosity() == SWCFPC_LOGS_HIGH_VERBOSITY ) { $this->objects['logs']->add_log('cache_controller::purge_cache_queue_start_cronjob', "Unable to stop the purge queue scheduled event - Timestamp {$timestamp}"); } } } return false; } // If the purge queue file exists and there are not aready running scheduled events, start a new one if ( ! wp_next_scheduled( 'swcfpc_purge_cache_cron' ) && ! wp_get_schedule('swcfpc_cache_purge_cron') ) { $timestamp = time(); if (wp_schedule_event($timestamp, 'swcfpc_purge_cache_cron_interval', 'swcfpc_cache_purge_cron')) { if ($this->objects['logs']->get_verbosity() == SWCFPC_LOGS_HIGH_VERBOSITY) { $this->objects['logs']->add_log('cache_controller::purge_cache_queue_start_cronjob', "Purge queue cronjob started successfully - Timestamp {$timestamp}"); } return true; } if ($this->objects['logs']->get_verbosity() == SWCFPC_LOGS_HIGH_VERBOSITY) { $this->objects['logs']->add_log('cache_controller::purge_cache_queue_start_cronjob', "Unable to start the purge queue scheduled event - Timestamp {$timestamp}"); } } return false; } function purge_cache_queue_job() { $this->objects = $this->main_instance->get_objects(); $this->objects['logs']->add_log('cache_controller::purge_cache_queue_job', 'I\'m the purge cache cronjob' ); $cache_queue_path = $this->purge_cache_queue_init_directory() . 'cache_queue.json'; if( ! file_exists($cache_queue_path) ) { $this->objects['logs']->add_log('cache_controller::purge_cache_queue_job', 'Queue file does not exists. Exit.' ); return false; } while( ! $this->is_purge_cache_queue_writable() ) { $this->objects['logs']->add_log('cache_controller::purge_cache_queue_job', 'Queue file not writable. Sleep 1 second' ); sleep( 1 ); } $this->lock_cache_purge_queue(); $swcfpc_cache_queue = json_decode( file_get_contents( $cache_queue_path ), true ); if( isset($swcfpc_cache_queue['purge_all']) && $swcfpc_cache_queue['purge_all'] ) { $this->purge_all(false, false); } else if( isset($swcfpc_cache_queue['urls']) && is_array($swcfpc_cache_queue['urls']) && count($swcfpc_cache_queue['urls']) > 0 ) { $this->purge_urls( $swcfpc_cache_queue['urls'], false ); } @unlink( $cache_queue_path ); $this->unlock_cache_purge_queue(); $this->objects['logs']->add_log('cache_controller::purge_cache_queue_job', 'Cache purging complete' ); return true; } function start_cache_preloader_for_specific_urls( $urls ) { if( class_exists('SWCFPC_Preloader_Process') ) { // Remove empty and duplicated URLs $urls = array_filter( $urls ); $urls = array_unique( $urls ); $this->objects = $this->main_instance->get_objects(); if( $this->can_i_start_preloader() ) { $this->lock_preloader(); $num_url = count($urls); if( $this->objects['logs']->get_verbosity() == SWCFPC_LOGS_HIGH_VERBOSITY ) { $this->objects['logs']->add_log('cache_controller::start_cache_preloader_for_specific_urls', 'Adding these URLs to preloader queue: ' . print_r($urls, true)); } else { $this->objects['logs']->add_log('cache_controller::start_cache_preloader_for_specific_urls', "Adding {$num_url} URLs to preloader queue"); } $preloader = new SWCFPC_Preloader_Process($this->main_instance); $max_post_to_preload = $num_url >= SWCFPC_PRELOADER_MAX_POST_NUMBER ? SWCFPC_PRELOADER_MAX_POST_NUMBER : $num_url; // Add URLs to preloader for ($i = 0; $i < $num_url && $i < $max_post_to_preload; $i++) { if ( $this->is_external_link($urls[$i]) === false ) $preloader->push_to_queue( array( 'url' => $urls[$i] ) ); } // Start background preloader $preloader->save()->dispatch(); } else { $this->objects['logs']->add_log('cache_controller::start_cache_preloader_for_specific_urls', 'Unable to start the preloader. Another preloading process is currently running.' ); } } } function start_preloader_for_all_urls() { $this->objects = $this->main_instance->get_objects(); $home_url = home_url('/'); $urls = array(); // Preload all registered navigation menu locations URLs if( count( $this->main_instance->get_single_config('cf_preloader_nav_menus', array()) ) > 0 ) { // Get urls from wordpress menus //$wordpress_menus = get_nav_menu_locations(); $wordpress_menus = $this->main_instance->get_single_config('cf_preloader_nav_menus', array()); foreach ($wordpress_menus as $nav_menu_id) { $single_menu_items = wp_get_nav_menu_items($nav_menu_id); if ($single_menu_items) { foreach ($single_menu_items as $menu_item) { if( in_array( $menu_item->url, $urls ) ) continue; if( $menu_item->url && $this->is_external_link($menu_item->url) ) continue; if ( $menu_item->type == 'post_type' && $menu_item->url && strlen($menu_item->url) > 0 && (substr( strtolower($menu_item->url), 0, 6) == 'https:' || substr( strtolower($menu_item->url), 0, 5) == 'http:') ) { $urls[] = $menu_item->url; continue; } if( $menu_item->url && strcasecmp(substr($menu_item->url, 0, strlen($home_url)-1), $home_url) == 0 ) { $urls[] = $menu_item->url; continue; } } } } } // Preload URLs in sitemaps if( count( $this->main_instance->get_single_config('cf_preload_sitemap_urls', array()) ) > 0 ) { $sitemap_urls = $this->main_instance->get_single_config('cf_preload_sitemap_urls', array()); if( is_array($sitemap_urls) && count($sitemap_urls) > 0 ) { foreach( $sitemap_urls as $single_sitemap_url ) { $single_sitemap_url = home_url( $single_sitemap_url ); $this->objects['logs']->add_log('cloudflare::start_preloader_for_all_urls', "Preload sitemap {$single_sitemap_url}"); $response = wp_remote_post( esc_url_raw( $single_sitemap_url ), array( 'timeout' => defined('SWCFPC_CURL_TIMEOUT') ? SWCFPC_CURL_TIMEOUT : 10, 'sslverify' => false, 'blocking' => true, 'user-agent' => 'Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:59.0) Gecko/20100101 Firefox/59.0' ) ); if ( is_wp_error( $response ) ) { $error = sprintf( __('Connection error while retriving the sitemap %1$s: %2$s', 'wp-cloudflare-page-cache'), $single_sitemap_url, $response->get_error_message()); $this->objects['logs']->add_log('cloudflare::start_preloader_for_all_urls', "Error wp_remote_post: {$error}"); continue; } if( wp_remote_retrieve_response_code( $response ) != 200 ) { $this->objects['logs']->add_log('cloudflare::start_preloader_for_all_urls', "Response code for {$single_sitemap_url} is not 200. Response code: ".wp_remote_retrieve_response_code( $response )); continue; } $response_body = wp_remote_retrieve_body($response); if( strlen($response_body) == 0 ) { $this->objects['logs']->add_log('cloudflare::start_preloader_for_all_urls', "Empty response body for sitemap {$single_sitemap_url}"); continue; } libxml_use_internal_errors(true); $xml = simplexml_load_string($response_body); if( $xml === false ) { $xml_errors = libxml_get_errors(); foreach ($xml_errors as $single_xml_error) { $this->objects['logs']->add_log('cloudflare::start_preloader_for_all_urls', "Invalid XML for sitemap {$single_sitemap_url}: {$single_xml_error->message}"); } libxml_clear_errors(); } /* try { $xml = new SimpleXMLElement($response_body); } catch (Exception $e){ $this->objects['logs']->add_log('cloudflare::start_preloader_for_all_urls', 'Invalid XML for sitemap $single_sitemap_url: ' . $e->getMessage()); continue; } */ if( isset($xml->url) && !empty($xml->url) ) { foreach ($xml->url as $url_list) { if ( !isset($url_list->loc) || empty($url_list->loc) || in_array($url_list->loc, $urls) || $this->is_external_link($url_list->loc)) continue; $urls[] = $url_list->loc->__toString(); } } } } } // Preload last published posts if( $this->main_instance->get_single_config('cf_preload_last_urls', 0) > 0 ) { // Get public post types. $post_types = array('post', 'page'); $other_post_types = get_post_types(array('public' => true, '_builtin' => false, 'publicly_queryable' => true)); foreach($other_post_types as $key => $single_post_type) $post_types[] = $single_post_type; $post_types = array_diff( $post_types, $this->main_instance->get_single_config('cf_preload_excluded_post_types', array()) ); $this->objects['logs']->add_log('cloudflare::start_preloader_for_all_urls', 'Getting last published posts for post types: ' . print_r($post_types, true)); $args = array( 'fields' => 'ids', 'numberposts' => 20, //'posts_per_page' => -1, 'post_type' => $post_types, 'orderby' => 'date', 'order' => 'DESC' ); $all_posts = get_posts($args); foreach ($all_posts as $post) { $permalink = get_permalink($post); if ( $permalink !== false && !in_array( $permalink, $urls ) && strlen($permalink) > 0 ) { $urls[] = $permalink; } } } // Start preloader if( count($urls) > 0 ) { if( !in_array( $home_url, $urls ) ) { $urls[] = $home_url; } $this->start_cache_preloader_for_specific_urls( $urls ); } else { $this->objects['logs']->add_log('cloudflare::start_preloader_for_all_urls', 'Nothing to preload'); } } function is_external_link($url) { $source = parse_url( home_url() ); $target = parse_url($url); if( !$source || empty($source['host']) || !$target || empty($target['host']) ) return false; if( strcasecmp($target['host'], $source['host']) === 0 ) return false; return true; } function purge_wpengine_cache() { if ( class_exists( 'WpeCommon' ) ) { $this->objects = $this->main_instance->get_objects(); if( method_exists('WpeCommon', 'purge_memcached') ) { WpeCommon::purge_memcached(); $this->objects['logs']->add_log('cache_controller::purge_wpengine_cache', 'Purge WP Engine memcached cache' ); } if( method_exists('WpeCommon', 'purge_varnish_cache') ) { WpeCommon::purge_varnish_cache(); $this->objects['logs']->add_log('cache_controller::purge_wpengine_cache', 'Purge WP Engine varnish cache' ); } } } function can_wpengine_cache_be_purged() { if ( !class_exists( 'WpeCommon' ) ) return false; if( !method_exists('WpeCommon', 'purge_memcached') && !method_exists('WpeCommon', 'purge_varnish_cache') ) return false; return true; } function purge_spinupwp_cache() { if ( ! function_exists( 'spinupwp_purge_site' ) ) { return; } spinupwp_purge_site(); $this->objects = $this->main_instance->get_objects(); $this->objects['logs']->add_log('cache_controller::purge_spinupwp_cache', 'Purge whole SpinupWP' ); } function purge_spinupwp_cache_single_url($url) { if ( ! function_exists( 'spinupwp_purge_url' ) ) { return; } spinupwp_purge_url($url); $this->objects = $this->main_instance->get_objects(); $this->objects['logs']->add_log('cache_controller::purge_spinupwp_cache_single_url', "Purge SpinupWP cache for the URL {$url}" ); } function can_spinupwp_cache_be_purged() { if ( ! function_exists( 'spinupwp_purge_site' ) || ! function_exists( 'spinupwp_purge_url' ) ) { return; } } function can_kinsta_cache_be_purged() { global $kinsta_cache; if ( isset( $kinsta_cache ) && class_exists( '\\Kinsta\\CDN_Enabler' ) ) return true; return false; } function purge_kinsta_cache() { global $kinsta_cache; if( $this->can_kinsta_cache_be_purged() && ! empty($kinsta_cache->kinsta_cache_purge) ) { $kinsta_cache->kinsta_cache_purge->purge_complete_caches(); $this->objects = $this->main_instance->get_objects(); $this->objects['logs']->add_log('cache_controller::purge_kinsta_cache', 'Purge whole Kinsta cache' ); return true; } return false; } function purge_kinsta_cache_single_url($url) { if( ! $this->can_kinsta_cache_be_purged() ) return false; $url = trailingslashit( $url ) . 'kinsta-clear-cache/'; wp_remote_get( $url, [ 'blocking' => false, 'timeout' => 0.01, ] ); return true; } function get_siteground_supercacher_version() { static $version; if ( isset( $version ) ) return $version; if( file_exists(WP_PLUGIN_DIR . '/sg-cachepress/sg-cachepress.php') ) { $sg_optimizer = get_file_data(WP_PLUGIN_DIR . '/sg-cachepress/sg-cachepress.php', ['Version' => 'Version']); $version = $sg_optimizer['Version']; return $version; } return false; } function is_siteground_supercacher_enabled() { $sg_version = $this->get_siteground_supercacher_version(); if( $sg_version === false ) return false; if ( ! version_compare( $sg_version, '5.0' ) < 0 ) { global $sg_cachepress_environment; return isset( $sg_cachepress_environment ) && $sg_cachepress_environment instanceof SG_CachePress_Environment && $sg_cachepress_environment->cache_is_enabled(); } return (bool) get_option( 'siteground_optimizer_enable_cache', 0 ); } function purge_siteground_cache() { if ( ! $this->is_siteground_supercacher_enabled() ) return; if ( ! version_compare( $this->get_siteground_supercacher_version(), '5.0' ) < 0 ) SiteGround_Optimizer\Supercacher\Supercacher::purge_cache(); elseif ( isset( $sg_cachepress_supercacher ) && $sg_cachepress_supercacher instanceof SG_CachePress_Supercacher ) $sg_cachepress_supercacher->purge_cache(); $this->objects = $this->main_instance->get_objects(); $this->objects['logs']->add_log('cache_controller::purge_siteground_cache', 'Purge whole Siteground cache' ); } function purge_object_cache() { if( !function_exists('wp_cache_flush') ) return false; wp_cache_flush(); $this->objects = $this->main_instance->get_objects(); $this->objects['logs']->add_log('cache_controller::purge_object_cache', 'Purge object cache' ); return true; } function purge_opcache() { if ( !extension_loaded('Zend OPcache') ) return false; $opcache_status = opcache_get_status(); if ( !$opcache_status || !isset($opcache_status['opcache_enabled']) || $opcache_status['opcache_enabled'] === false ) return false; if ( !opcache_reset() ) return false; /** * opcache_reset() is performed, now try to clear the * file cache. * Please note: http://stackoverflow.com/a/23587079/1297898 * "Opcache does not evict invalid items from memory - they * stay there until the pool is full at which point the * memory is completely cleared" */ foreach( $opcache_status['scripts'] as $key => $data ) { $dirs[dirname($key)][basename($key)] = $data; opcache_invalidate($data['full_path'] , $force=true); } $this->objects = $this->main_instance->get_objects(); $this->objects['logs']->add_log('cache_controller::purge_opcache', 'Purge OPcache cache' ); return true; } function purge_cache_programmatically( $urls ) { if( !is_array($urls) || count($urls) == 0 ) $this->purge_all(true, false); else $this->purge_urls($urls, false); } /*function purge_cache_on_elementor_ajax_update() { if( isset($_REQUEST['editor_post_id']) ) { $current_action = function_exists('current_action') ? current_action() : ""; $post_id = $_REQUEST['editor_post_id']; $url = get_permalink( $post_id ); if( $url !== false ) { $this->purge_urls(array($url)); $this->objects = $this->main_instance->get_objects(); $this->objects['logs']->add_log('cache_controller::purge_cache_on_elementor_ajax_update', "Purge Cloudflare cache for only post {$post_id} - Fired action: {$current_action}" ); } } }*/ function ajax_preloader_unlock() { check_ajax_referer( 'ajax-nonce-string', 'security' ); $this->objects = $this->main_instance->get_objects(); $return_array = array('status' => 'ok'); if( !current_user_can('manage_options') ) { $return_array['status'] = 'error'; $return_array['error'] = __('Permission denied', 'wp-cloudflare-page-cache'); die(json_encode($return_array)); } if( $this->main_instance->get_single_config('cf_preloader', 1) == 0 ) { $return_array['status'] = 'error'; $return_array['error'] = __('Preloader is not enabled', 'wp-cloudflare-page-cache'); die(json_encode($return_array)); } if( $this->can_i_start_preloader() ) { $return_array['status'] = 'error'; $return_array['error'] = __('Preloader is already unlocked', 'wp-cloudflare-page-cache'); die(json_encode($return_array)); } $this->unlock_preloader(); $return_array['success_msg'] = __('Preloader unlocked successfully', 'wp-cloudflare-page-cache'); die(json_encode($return_array)); } function ajax_preloader_start() { check_ajax_referer( 'ajax-nonce-string', 'security' ); $this->objects = $this->main_instance->get_objects(); $return_array = array('status' => 'ok'); if( !current_user_can('manage_options') ) { $return_array['status'] = 'error'; $return_array['error'] = __('Permission denied', 'wp-cloudflare-page-cache'); die(json_encode($return_array)); } if( $this->main_instance->get_single_config('cf_preloader', 1) == 0 ) { $return_array['status'] = 'error'; $return_array['error'] = __('Preloader is not enabled', 'wp-cloudflare-page-cache'); die(json_encode($return_array)); } if( !$this->can_i_start_preloader() ) { $return_array['status'] = 'error'; $return_array['error'] = __('Unable to start the preloader. Another preloading process is currently running.', 'wp-cloudflare-page-cache'); die(json_encode($return_array)); } if( !class_exists('WP_Background_Process') ) { $return_array['status'] = 'error'; $return_array['error'] = __('Unable to start background processes: WP_Background_Process does not exists.', 'wp-cloudflare-page-cache'); die(json_encode($return_array)); } if( !class_exists('SWCFPC_Preloader_Process') ) { $return_array['status'] = 'error'; $return_array['error'] = __('Unable to start background processes: SWCFPC_Preloader_Process does not exists.', 'wp-cloudflare-page-cache'); die(json_encode($return_array)); } if( ! $this->is_cache_enabled() ) { $return_array['status'] = 'error'; $return_array['error'] = __('You cannot start the preloader while the page cache is disabled.', 'wp-cloudflare-page-cache'); die(json_encode($return_array)); } $this->start_preloader_for_all_urls(); $return_array['success_msg'] = __('Preloader started successfully', 'wp-cloudflare-page-cache'); die(json_encode($return_array)); } function ajax_enable_page_cache() { check_ajax_referer( 'ajax-nonce-string', 'security' ); $this->objects = $this->main_instance->get_objects(); $return_array = array('status' => 'ok'); $error = ''; if( !current_user_can('manage_options') ) { $return_array['status'] = 'error'; $return_array['error'] = __('Permission denied', 'wp-cloudflare-page-cache'); die(json_encode($return_array)); } if( ! $this->objects['cloudflare']->enable_page_cache($error) ) { $return_array['status'] = 'error'; $return_array['error'] = $error; die(json_encode($return_array)); } if( $this->main_instance->get_single_config('cf_fallback_cache', 0) > 0 && $this->main_instance->get_single_config('cf_fallback_cache_curl', 0) == 0 && !defined('SWCFPC_ADVANCED_CACHE') ) { $this->objects['fallback_cache']->fallback_cache_advanced_cache_enable(); } $return_array['success_msg'] = __('Page cache enabled successfully', 'wp-cloudflare-page-cache'); die(json_encode($return_array)); } function ajax_disable_page_cache() { check_ajax_referer( 'ajax-nonce-string', 'security' ); $this->objects = $this->main_instance->get_objects(); $return_array = array('status' => 'ok'); $error = ''; if( !current_user_can('manage_options') ) { $return_array['status'] = 'error'; $return_array['error'] = __('Permission denied', 'wp-cloudflare-page-cache'); die(json_encode($return_array)); } if( ! $this->objects['cloudflare']->disable_page_cache($error) ) { $return_array['status'] = 'error'; $return_array['error'] = $error; die(json_encode($return_array)); } if( $this->main_instance->get_single_config('cf_fallback_cache', 0) > 0 && $this->main_instance->get_single_config('cf_fallback_cache_curl', 0) == 0 && defined('SWCFPC_ADVANCED_CACHE') ) { $this->objects['fallback_cache']->fallback_cache_advanced_cache_disable(); } $return_array['success_msg'] = __('Page cache disabled successfully', 'wp-cloudflare-page-cache'); die(json_encode($return_array)); } }