Viewing file:  VarnishFlush.php (9.61 KB) -rw-rw-rw-
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<?php
/**
* W3 Varnish flushing
*/
w3_require_once(W3TC_LIB_W3_DIR . '/Varnish.php');
/**
* Class W3_VarnishFlush
*/
class W3_VarnishFlush extends W3_Varnish {
/**
* Array of already flushed urls
* @var array
*/
private $_flushed_urls = array();
/**
* Array of urls that is known will be flushed more than once
* @var array
*/
private $_repeated_urls = array();
private $_flushes = 0;
/**
* Flush varnish cache
*/
function flush() {
if (!is_network_admin()) {
$this->_purge(w3_get_home_url().'/.*');
} else {
global $wpdb;
$protocall = w3_is_https() ? 'https://' : 'http://';
// If WPMU Domain Mapping plugin is installed and active
if (defined('SUNRISE_LOADED') && SUNRISE_LOADED && isset($wpdb->dmtable) && !empty($wpdb->dmtable)) {
$blogs = $wpdb->get_results("SELECT {$wpdb->blogs}.domain, {$wpdb->blogs}.path, {$wpdb->dmtable}.domain AS mapped_domain
FROM {$wpdb->dmtable}
RIGHT JOIN {$wpdb->blogs} ON {$wpdb->dmtable}.blog_id = {$wpdb->blogs}.blog_id
WHERE site_id = {$wpdb->siteid}
AND spam = 0
AND deleted = 0
AND archived = '0'
");
foreach($blogs as $blog) {
if (!isset($blog->mapped_domain))
$url = $protocall . $blog->domain . (strlen($blog->path)>1? '/' . trim($blog->path, '/') : '') . '/.*';
else
$url = $protocall . $blog->mapped_domain . '/.*';
$this->_purge($url);
}
}else {
if (!w3_is_subdomain_install()) {
$this->_purge(w3_get_home_url().'/.*');
} else {
$blogs = $wpdb->get_results("
SELECT domain, path
FROM {$wpdb->blogs}
WHERE site_id = '{$wpdb->siteid}'
AND spam = 0
AND deleted = 0
AND archived = '0'
");
foreach($blogs as $blog) {
$url = $protocall . $blog->domain . (strlen($blog->path)>1? '/' . trim($blog->path, '/') : '') . '/.*';
$this->_purge($url);
}
}
}
}
}
/**
* Flushes varnish post cache
*
* @param integer $post_id
* @return boolean
*/
function flush_post($post_id) {
if (!$post_id) {
$post_id = w3_detect_post_id();
}
if ($post_id) {
$full_urls = array();
$global_urls = array();
$post = null;
$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_boolean('pgcache.purge.terms') || $this->_config->get_boolean('varnish.pgcache.feed.terms')) {
$taxonomies = get_post_taxonomies($post_id);
$terms = wp_get_post_terms($post_id, $taxonomies);
}
/**
* @var $purge_urls W3_SharedPageUrls
*/
$purge_urls = w3_instance('W3_SharedPageUrls');
switch (true) {
case $this->_config->get_boolean('pgcache.purge.author'):
case $this->_config->get_boolean('pgcache.purge.archive.daily'):
case $this->_config->get_boolean('pgcache.purge.archive.monthly'):
case $this->_config->get_boolean('pgcache.purge.archive.yearly'):
case $this->_config->get_boolean('pgcache.purge.feed.author'):
$post = get_post($post_id);
}
$front_page = get_option('show_on_front');
/**
* Home (Frontpage) URL
*/
if (($this->_config->get_boolean('pgcache.purge.home') && $front_page == 'posts')||
$this->_config->get_boolean('pgcache.purge.front_page')) {
$global_urls = array_merge($global_urls, $purge_urls->get_frontpage_urls($limit_post_pages));
}
/**
* Home (Post page) URL
*/
if($this->_config->get_boolean('pgcache.purge.home') && $front_page != 'posts') {
$global_urls = array_merge($global_urls, $purge_urls->get_postpage_urls($limit_post_pages));
}
/**
* Post URL
*/
if ($this->_config->get_boolean('pgcache.purge.post')) {
$full_urls = array_merge($full_urls, $purge_urls->get_post_urls($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, $purge_urls->get_post_comments_urls($post_id));
}
/**
* Post author URLs
*/
if ($this->_config->get_boolean('pgcache.purge.author') && $post) {
$full_urls = array_merge($full_urls, $purge_urls->get_post_author_urls($post->post_author, $limit_post_pages));
}
/**
* Post terms URLs
*/
if ($this->_config->get_boolean('pgcache.purge.terms')) {
$full_urls = array_merge($full_urls, $purge_urls->get_post_terms_urls($terms, $limit_post_pages));
}
/**
* Daily archive URLs
*/
if ($this->_config->get_boolean('pgcache.purge.archive.daily') && $post) {
$full_urls = array_merge($full_urls, $purge_urls->get_daily_archive_urls($post, $limit_post_pages));
}
/**
* Monthly archive URLs
*/
if ($this->_config->get_boolean('pgcache.purge.archive.monthly') && $post) {
$full_urls = array_merge($full_urls, $purge_urls->get_monthly_archive_urls($post, $limit_post_pages));
}
/**
* Yearly archive URLs
*/
if ($this->_config->get_boolean('pgcache.purge.archive.yearly') && $post) {
$full_urls = array_merge($full_urls, $purge_urls->get_yearly_archive_urls($post, $limit_post_pages));
}
/**
* Feed URLs
*/
if ($this->_config->get_boolean('pgcache.purge.feed.blog')) {
$global_urls = array_merge($global_urls, $purge_urls->get_feed_urls($feeds));
}
if ($this->_config->get_boolean('pgcache.purge.feed.comments')) {
$full_urls = array_merge($full_urls, $purge_urls->get_feed_comments_urls($post_id, $feeds));
}
if ($this->_config->get_boolean('pgcache.purge.feed.author') && $post) {
$full_urls = array_merge($full_urls, $purge_urls->get_feed_author_urls($post->post_author, $feeds));
}
if ($this->_config->get_boolean('pgcache.purge.feed.terms')) {
$full_urls = array_merge($full_urls, $purge_urls->get_feed_terms_urls($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, $purge_urls->get_pages_urls($pages));
}
if($this->_config->get_string('pgcache.purge.sitemap_regex')) {
$sitemap_regex = $this->_config->get_string('pgcache.purge.sitemap_regex');
$full_urls[] = w3_get_domain_url() . '/' . trim($sitemap_regex, "^$");
}
if ($this->_do_flush_global_urls()) {
$full_urls = array_merge($global_urls, $full_urls);
} elseif ($this->_flushes == 0) {
$this->_repeated_urls = $global_urls;
}
/**
* Flush cache
*/
if (count($full_urls)) {
$this->_flushes++;
foreach ($full_urls as $url) {
if (!in_array($url, $this->_repeated_urls) && !in_array($url, $this->_flushed_urls)) {
$this->_flushed_urls[] = $url;
$this->flush_url($url);
} elseif (!in_array($url, $this->_repeated_urls)) {
$this->_repeated_urls[] = $url;
}
}
}
return true;
}
return false;
}
/**
* Flush a single url
* @param $url
*/
function flush_url($url) {
$this->_purge($url);
}
/**
* Flushes global and repeated urls
*/
function flush_post_cleanup() {
if ($this->_repeated_urls) {
foreach($this->_repeated_urls as $url) {
$this->flush_url($url);
}
}
}
/**
* If should separate out global urls
* @return bool
*/
function _do_flush_global_urls() {
global $pagenow;
if (isset($pagenow) && $pagenow == 'edit.php' || (defined('DOING_SNS') && DOING_SNS))
return false;
return true;
}
}
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