AlkantarClanX12
Your IP : 18.218.108.24
<?php
namespace W3TC;
/**
* W3 PgCache flushing
*/
class PgCache_Flush extends PgCache_ContentGrabber {
/**
* Array of urls to flush
*/
private $queued_urls = array();
private $queued_groups = array();
private $queued_post_ids = array();
private $flush_all_operation_requested = false;
private $debug_purge = false;
public function __construct() {
parent::__construct();
$this->debug_purge = $this->_config->get_boolean( 'pgcache.debug_purge' );
}
/**
* Flushes all caches
*/
public function flush() {
if ( $this->debug_purge ) {
Util_Debug::log_purge( 'pagecache', 'flush_all' );
}
$this->flush_all_operation_requested = true;
return true;
}
public function flush_group( $group ) {
if ( $this->debug_purge ) {
Util_Debug::log_purge( 'pagecache', 'flush_group', $group );
}
$this->queued_groups[$group] = '*';
}
/**
* Flushes post cache
*
* @param integer $post_id Post ID.
* @param boolean $force Force flag (optional).
*/
public function flush_post( $post_id = null, $force = false ) {
if ( !$post_id ) {
$post_id = Util_Environment::detect_post_id();
}
if ( !$post_id ) {
return false;
}
global $wp_rewrite; // required by many Util_PageUrls methods
if ( empty( $wp_rewrite ) ) {
if ( $this->debug_purge ) {
Util_Debug::log_purge( 'pagecache', 'flush_post', array(
'post_id' => $post_id,
'error' => 'Post flush attempt before wp_rewrite initialization. Cant flush cache.'
) );
}
error_log('Post flush attempt before wp_rewrite initialization. Cant flush cache.');
return false;
}
// prevent multiple calculation of post urls
$queued_post_id_key = Util_Environment::blog_id() . '.' . $post_id;
if ( isset( $this->queued_post_ids[$queued_post_id_key] ) ) {
return true;
}
$this->queued_post_ids[$queued_post_id_key] = '*';
// calculate urls to purge
$full_urls = array();
$post = get_post( $post_id );
if ( empty( $post ) ) {
return true;
}
$is_cpt = Util_Environment::is_custom_post_type( $post );
$terms = array();
$feeds = $this->_config->get_array( 'pgcache.purge.feed.types' );
$limit_post_pages = $this->_config->get_integer( 'pgcache.purge.postpages_limit' );
if ( $this->_config->get_string( 'pgcache.rest' ) == 'cache' ) {
$this->flush_group( 'rest' );
}
if ( $this->_config->get_boolean( 'pgcache.purge.terms' ) ||
$this->_config->get_boolean( 'pgcache.purge.feed.terms' ) ) {
$taxonomies = get_post_taxonomies( $post_id );
$terms = wp_get_post_terms( $post_id, $taxonomies );
$terms = $this->_append_parent_terms( $terms, $terms );
}
$front_page = get_option( 'show_on_front' );
// Home (Frontpage) URL
if ( ( $this->_config->get_boolean( 'pgcache.purge.home' ) &&
$front_page == 'posts' ) ||
$this->_config->get_boolean( 'pgcache.purge.front_page' ) ) {
$full_urls = array_merge( $full_urls,
Util_PageUrls::get_frontpage_urls( $limit_post_pages ) );
}
// pgcache.purge.home becomes "Posts page" option in settings if home page and blog are set to page(s)
// Home (Post page) URL
if ( $this->_config->get_boolean( 'pgcache.purge.home' ) &&
$front_page != 'posts' &&
!$is_cpt ) {
$full_urls = array_merge( $full_urls,
Util_PageUrls::get_postpage_urls( $limit_post_pages ) );
}
// pgcache.purge.home becomes "Posts page" option in settings if home page and blog are set to page(s)
// Custom Post Type Archive URL
if ( $this->_config->get_boolean( 'pgcache.purge.home' ) &&
$is_cpt ) {
$full_urls = array_merge( $full_urls,
Util_PageUrls::get_cpt_archive_urls( $post_id, $limit_post_pages ) );
}
// Post URL
if ( $this->_config->get_boolean( 'pgcache.purge.post' ) || $force ) {
$full_urls = array_merge( $full_urls,
Util_PageUrls::get_post_urls( $post_id ) );
}
// Post comments URLs
if ( $this->_config->get_boolean( 'pgcache.purge.comments' ) &&
function_exists( 'get_comments_pagenum_link' ) ) {
$full_urls = array_merge( $full_urls,
Util_PageUrls::get_post_comments_urls( $post_id ) );
}
// Post author URLs
if ( $this->_config->get_boolean( 'pgcache.purge.author' ) && $post ) {
$full_urls = array_merge( $full_urls,
Util_PageUrls::get_post_author_urls( $post->post_author,
$limit_post_pages ) );
}
// Post terms URLs
if ( $this->_config->get_boolean( 'pgcache.purge.terms' ) ) {
$full_urls = array_merge( $full_urls,
Util_PageUrls::get_post_terms_urls( $terms, $limit_post_pages ) );
}
// Daily archive URLs
if ( $this->_config->get_boolean( 'pgcache.purge.archive.daily' ) && $post ) {
$full_urls = array_merge( $full_urls,
Util_PageUrls::get_daily_archive_urls( $post, $limit_post_pages ) );
}
// Monthly archive URLs
if ( $this->_config->get_boolean( 'pgcache.purge.archive.monthly' ) && $post ) {
$full_urls = array_merge( $full_urls,
Util_PageUrls::get_monthly_archive_urls( $post, $limit_post_pages ) );
}
// Yearly archive URLs
if ( $this->_config->get_boolean( 'pgcache.purge.archive.yearly' ) && $post ) {
$full_urls = array_merge( $full_urls,
Util_PageUrls::get_yearly_archive_urls( $post, $limit_post_pages ) );
}
// Feed URLs for posts
if ( $this->_config->get_boolean( 'pgcache.purge.feed.blog' ) &&
!$is_cpt ) {
$full_urls = array_merge( $full_urls,
Util_PageUrls::get_feed_urls( $feeds, null ) );
}
// Feed URLs for posts
if ( $this->_config->get_boolean( 'pgcache.purge.feed.blog' ) &&
$is_cpt ) {
$full_urls = array_merge( $full_urls,
Util_PageUrls::get_feed_urls( $feeds, $post->post_type ) );
}
if ( $this->_config->get_boolean( 'pgcache.purge.feed.comments' ) ) {
$full_urls = array_merge( $full_urls,
Util_PageUrls::get_feed_comments_urls( $post_id, $feeds ) );
}
if ( $this->_config->get_boolean( 'pgcache.purge.feed.author' ) ) {
$full_urls = array_merge( $full_urls,
Util_PageUrls::get_feed_author_urls( $post->post_author, $feeds ) );
}
if ( $this->_config->get_boolean( 'pgcache.purge.feed.terms' ) ) {
$full_urls = array_merge( $full_urls,
Util_PageUrls::get_feed_terms_urls( $terms, $feeds ) );
}
// Purge selected pages
if ( $this->_config->get_array( 'pgcache.purge.pages' ) ) {
$pages = $this->_config->get_array( 'pgcache.purge.pages' );
$full_urls = array_merge( $full_urls,
Util_PageUrls::get_pages_urls( $pages ) );
}
// add mirror urls
$full_urls = Util_PageUrls::complement_with_mirror_urls( $full_urls );
$full_urls = apply_filters( 'pgcache_flush_post_queued_urls',
$full_urls );
if ( $this->debug_purge ) {
Util_Debug::log_purge( 'pagecache', 'flush_post', $post_id,
$full_urls );
}
// Queue flush
if ( count( $full_urls ) ) {
foreach ( $full_urls as $url )
$this->queued_urls[$url] = '*';
}
return true;
}
/**
* Flush a single url
*/
public function flush_url( $url ) {
$parts = parse_url( $url );
$uri = ( isset( $parts['path'] ) ? $parts['path'] : '' ) .
( isset( $parts['query'] ) ? '?' . $parts['query'] : '' );
$group = $this->get_cache_group_by_uri( $uri );
if ( $this->debug_purge ) {
Util_Debug::log_purge( 'pagecache', 'flush_url', array(
$url, $group ) );
}
$this->queued_urls[$url] = ( empty( $group ) ? '*' : $group );
}
/**
* Performs the actual flush at the end of request processing.
* Duplicate flushes avoided that way.
*/
public function flush_post_cleanup() {
if ( $this->flush_all_operation_requested ) {
if ( $this->_config->get_boolean( 'pgcache.debug' ) ) {
self::log( 'flush all' );
}
$groups_to_flush = array( '' );
if ( $this->_config->get_string( 'pgcache.rest' ) == 'cache' ) {
$groups_to_flush[] = 'rest';
}
$groups_to_flush = apply_filters(
'w3tc_pagecache_flush_all_groups', $groups_to_flush );
foreach ( $groups_to_flush as $group ) {
$cache = $this->_get_cache( $group );
$cache->flush( $group );
}
$count = 999;
$this->flush_all_operation_requested = false;
$this->queued_urls = array();
} else {
$count = 0;
if ( count( $this->queued_groups ) > 0 ) {
$count += count( $this->queued_urls );
foreach ( $this->queued_groups as $group => $flag ) {
if ( $this->_config->get_boolean( 'pgcache.debug' ) ) {
self::log( 'pgcache flush "' . $group . '" group' );
}
$cache = $this->_get_cache( $group );
$cache->flush( $group );
}
}
if ( count( $this->queued_urls ) > 0 ) {
if ( $this->_config->get_boolean( 'pgcache.debug' ) ) {
self::log( 'pgcache flush ' . $count . ' urls' );
}
$mobile_groups = $this->_get_mobile_groups();
$referrer_groups = $this->_get_referrer_groups();
$cookies = $this->_get_cookies();
$encryptions = $this->_get_encryptions();
$compressions = $this->_get_compressions();
$caches = array(
'*' => $this->_get_cache()
);
foreach ( $this->queued_urls as $url => $group ) {
if ( !isset( $caches[$group] ) ) {
$caches[$group] = $this->_get_cache( $group );
}
$this->_flush_url(
array(
'url' => $url,
'cache' => $caches[ $group ],
'mobile_groups' => $mobile_groups,
'referrer_groups' => $referrer_groups,
'cookies' => $cookies,
'encryptions' => $encryptions,
'compressions' => $compressions,
'group' => '*' === $group ? '' : $group,
)
);
}
$count += count( $this->queued_urls );
// Purge sitemaps if a sitemap option has a regex.
if ( $this->_config->get_string( 'pgcache.purge.sitemap_regex' ) ) {
$cache = $this->_get_cache( 'sitemaps' );
$cache->flush( 'sitemaps' );
$count++;
}
$this->queued_urls = array();
}
}
return $count;
}
/**
* Does the actual job - flushing of a single url cache entries
*
* @param array $data Data.
*
* @return void
*/
private function _flush_url( $data ) { // phpcs:ignore PSR2.Methods.MethodDeclaration.Underscore
$data['parent'] = $this;
$data = apply_filters( 'w3tc_pagecache_flush_url', $data );
if ( empty( $data ) || empty( $data['url'] ) ) {
return;
}
foreach ( $data['mobile_groups'] as $mobile_group ) {
foreach ( $data['referrer_groups'] as $referrer_group ) {
foreach ( $data['cookies'] as $cookie ) {
foreach ( $data['encryptions'] as $encryption ) {
foreach ( $data['compressions'] as $compression ) {
$page_keys = array();
$page_keys[] = $this->_get_page_key(
array(
'useragent' => $mobile_group,
'referrer' => $referrer_group,
'cookie' => $cookie,
'encryption' => $encryption,
'compression' => $compression,
'group' => $data['group'],
),
$data['url']
);
$page_keys = apply_filters( 'w3tc_pagecache_flush_url_keys', $page_keys );
foreach ( $page_keys as $page_key ) {
$data['cache']->delete( $page_key, $data['group'] );
}
}
}
}
}
}
}
/**
* Gets a key extension for "ahead generation" mode.
* Used by AlwaysCached functionality to regenerate content
*
* @param string $group Used to differentiate between groups of cache values.
*
* @return array
*/
public function get_ahead_generation_extension( $group ) {
$cache = $this->_get_cache( $group );
return $cache->get_ahead_generation_extension( $group );
}
/**
* Flushes group with before condition
*
* @param string $group Used to differentiate between groups of cache values.
* @param array $extension Used to set a condition what version to flush.
*
* @return void
*/
public function flush_group_after_ahead_generation( $group, $extension ) {
$cache = $this->_get_cache( $group );
$cache->flush_group_after_ahead_generation( $group, $extension );
}
/**
* Returns array of mobile groups
*/
private function _get_mobile_groups() {
$mobile_groups = array( '' );
if ( $this->_mobile ) {
$mobile_groups = array_merge( $mobile_groups, array_keys(
$this->_mobile->get_groups() ) );
}
return $mobile_groups;
}
/**
* Returns array of referrer groups
*/
private function _get_referrer_groups() {
$referrer_groups = array( '' );
if ( $this->_referrer ) {
$referrer_groups = array_merge( $referrer_groups, array_keys(
$this->_referrer->get_groups() ) );
}
return $referrer_groups;
}
/**
* Returns array of cookies
*/
private function _get_cookies() {
$cookies = array( '' );
if ( $this->_config->get_boolean( 'pgcache.cookiegroups.enabled' ) ) {
$cookies = array_merge( $cookies,
array_keys( $this->_config->get_array( 'pgcache.cookiegroups.groups' ) ) );
}
return $cookies;
}
/**
* Returns array of encryptions
*/
private function _get_encryptions() {
$is_https = ( substr( get_home_url(), 0, 5 ) == 'https' );
$encryptions = array();
if ( ! $is_https || $this->_config->get_boolean( 'pgcache.cache.ssl' ) )
$encryptions[] = '';
if ( $is_https || $this->_config->get_boolean( 'pgcache.cache.ssl' ) )
$encryptions[] = 'ssl';
return $encryptions;
}
private function _append_parent_terms( $terms, $terms_to_check_parents ) {
$terms_to_check_parents = $terms;
$ids = null;
for ( ;; ) {
$parent_ids = array();
$taxonomies = array();
foreach ( $terms_to_check_parents as $term ) {
if ( $term->parent ) {
$parent_ids[$term->parent] = '*';
$taxonomies[$term->taxonomy] = '*';
}
}
if ( empty( $parent_ids ) )
return $terms;
if ( is_null( $ids ) ) {
// build a map of ids for faster check
$ids = array();
foreach ( $terms as $term )
$ids[$term->term_id] = '*';
} else {
// append last new items to ids map
foreach ( $terms_to_check_parents as $term )
$ids[$term->term_id] = '*';
}
// build list to extract
$include_ids = array();
foreach ( $parent_ids as $id => $v ) {
if ( !isset( $ids[$id] ) )
$include_ids[] = $id;
}
if ( empty( $include_ids ) )
return $terms;
$new_terms = get_terms( array_keys( $taxonomies ),
array( 'include' => $include_ids ) );
$terms = array_merge( $terms, $new_terms );
$terms_to_check_parents = $new_terms;
}
}
}