version 4.13.0
This commit is contained in:
188
includes/builder/feature/DoNotCachePage.php
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188
includes/builder/feature/DoNotCachePage.php
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<?php
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/**
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* Prevent Page/Post from being cached.
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*
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* @package Builder
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*/
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if ( ! defined( 'ABSPATH' ) ) {
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exit; // Exit if accessed directly.
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}
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/**
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* Class to prevent Page/Post from being cached.
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*/
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class ET_Builder_Do_Not_Cache_Page {
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/**
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* Instance of `ET_Builder_Do_Not_Cache_Page`.
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*
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* @var ET_Builder_Do_Not_Cache_Page
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*/
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private static $_instance;
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/**
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* Instance of `ET_Builder_Do_Not_Cache_Page`.
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*
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* @var bool
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*/
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protected $_processed = false;
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/**
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* ET_Builder_Do_Not_Cache_Page constructor.
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*/
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public function __construct() {
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add_action( 'get_header', [ $this, 'maybe_prevent_cache' ] );
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}
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/**
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* When a page loads for the first time, Builder CSS is generated during the request and then
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* printed inline in the footer which causes CLS issues because the CSS is loading late.
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*
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* @since 4.11.0
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*
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* @return void
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*/
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public function prevent_cache() {
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// Ensure this only runs once.
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if ( $this->_processed ) {
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return;
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}
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$this->_processed = true;
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// Disable several plugins which do not honor `DONOTCACHEPAGE` (set in `PageResource.php`).
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if ( ! headers_sent() ) {
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// Sending `no-cache` header should prevent CDNs from caching the first request.
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header( 'Cache-Control: no-store, no-cache' );
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// Disable SiteGround Optimizer Dynamic Cache.
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header( 'X-Cache-Enabled: False' );
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}
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// Disable LiteSpeed Cache.
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$reason = esc_html__( 'Generating CSS', 'et_builder' );
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do_action( 'litespeed_control_set_nocache', $reason );
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// Disable WP Fastest Cache.
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if ( class_exists( 'WpFastestCacheCreateCache' ) ) {
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// This Plugin has no hook/API to disable cache programmatically....
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// The only way we can do this is by setting the `exclude_current_page_text` public property
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// to a non empty value... except the class instance is not made available anywhere in the code....
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// However, the instance also adds itself to the `wp` hook so we can find it by scanning the list
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// of all registered actions.
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$hooks = et_()->array_get( $GLOBALS, 'wp_filter.wp.10', [] );
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if ( is_array( $hooks ) ) {
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foreach ( $hooks as $key => $hook ) {
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if (
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isset( $hook['function'] ) &&
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is_array( $hook['function'] ) &&
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is_a( $hook['function'][0], 'WpFastestCacheCreateCache' )
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) {
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$wp_fastest_cache = $hook['function'][0];
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$wp_fastest_cache->exclude_current_page_text = "<!-- $reason -->";
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break;
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}
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}
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}
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}
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// Disable Breeze Cache.
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if ( function_exists( 'breeze_cache' ) ) {
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// This Plugin has no hook/API to disable cache programmatically....
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// The only way we can do this is by overwriting its configuration
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// which is exposed as global variable.
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global $breeze_config;
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if ( isset( $breeze_config['cache_options'] ) ) {
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$cache_options =& $breeze_config['cache_options'];
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if ( is_array( $cache_options ) ) {
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$cache_options['breeze-browser-cache'] = 0;
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$cache_options['breeze-desktop-cache'] = 0;
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$cache_options['breeze-mobile-cache'] = 0;
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}
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}
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}
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// Disable Hyper Cache.
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if ( function_exists( 'hyper_cache_callback' ) ) {
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global $hyper_cache_stop;
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$hyper_cache_stop = true;
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}
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}
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/**
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* Disable Cache on first page request.
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*
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* @see prevent_cache()
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*
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* @since 4.11.0
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*
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* @return void
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*/
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public function maybe_prevent_cache() {
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// Bail if the magic already happened.
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if ( $this->_processed ) {
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return;
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}
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// Disable in the Visual Builder
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if ( et_fb_is_enabled() ) {
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return;
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}
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$post_id = et_core_page_resource_get_the_ID();
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$is_preview = is_preview() || is_et_pb_preview();
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$forced_in_footer = $post_id && et_builder_setting_is_on( 'et_pb_css_in_footer', $post_id );
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$forced_inline = (
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! $post_id ||
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$is_preview ||
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$forced_in_footer ||
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et_builder_setting_is_off( 'et_pb_static_css_file', $post_id ) ||
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et_core_is_safe_mode_active() ||
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ET_GB_Block_Layout::is_layout_block_preview()
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);
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// If the post is password protected and a password has not been provided yet,
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// no content (including any custom style) will be printed.
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// When static css file option is enabled this will result in missing styles.
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if ( ! $forced_inline && post_password_required( $post_id ? $post_id : null ) ) {
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$forced_inline = true;
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}
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// Bail if using inline styles, page content won't be changing between requests anyway.
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if ( $forced_inline ) {
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return;
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}
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$unified = ! $forced_inline && ! $forced_in_footer;
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$owner = $unified ? 'core' : 'builder';
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$slug = $unified ? 'unified' : 'module-design';
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$slug .= $unified && et_builder_post_is_of_custom_post_type( $post_id ) ? '-cpt' : '';
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$slug = et_theme_builder_decorate_page_resource_slug( $post_id, $slug );
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$resource = et_core_page_resource_get( $owner, $slug, $post_id );
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// Bail if Builder CSS already exists in external file, this is the request we want to cache.
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if ( $resource->has_file() ) {
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return;
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}
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$this->prevent_cache();
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}
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/**
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* Get the class instance.
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*
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* @since 4.11.0
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*
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* @return ET_Builder_Do_Not_Cache_Page
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*/
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public static function instance() {
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if ( ! self::$_instance ) {
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self::$_instance = new self();
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}
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return self::$_instance;
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}
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}
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ET_Builder_Do_Not_Cache_Page::instance();
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