function wp_cache_manager_updates()
{
global $wp_cache_mobile_enabled, $wp_supercache_cache_list, $wp_cache_config_file, $wp_cache_hello_world, $wp_cache_clear_on_post_edit, $cache_rebuild_files, $wp_cache_mutex_disabled, $wp_cache_not_logged_in, $wp_cache_make_known_anon, $cache_path, $wp_cache_object_cache, $_wp_using_ext_object_cache, $wp_cache_refresh_single_only, $cache_compression, $wp_cache_mod_rewrite, $wp_supercache_304, $wp_super_cache_late_init, $wp_cache_front_page_checks, $cache_page_secret;
if (!wpsupercache_site_admin()) {
return false;
}
if (false == isset($cache_page_secret)) {
$cache_page_secret = md5(date('H:i:s') . mt_rand());
wp_cache_replace_line('^ *\\$cache_page_secret', "\$cache_page_secret = '" . $cache_page_secret . "';", $wp_cache_config_file);
}
// Delete cache for a specific page
if (isset($_GET['action']) && $_GET['action'] == 'delete' && (isset($_GET['_wpnonce']) ? wp_verify_nonce($_REQUEST['_wpnonce'], 'delete-cache') : false)) {
$path = get_supercache_dir() . preg_replace('/:.*$/', '', $_GET['path']);
$files = get_all_supercache_filenames($path);
foreach ($files as $cache_file) {
prune_super_cache($path . $cache_file, true);
}
wp_redirect(preg_replace('/[ <>\'\\"\\r\\n\\t\\(\\)]/', '', $_GET['path']));
die;
}
$valid_nonce = isset($_REQUEST['_wpnonce']) ? wp_verify_nonce($_REQUEST['_wpnonce'], 'wp-cache') : false;
if ($valid_nonce == false) {
return false;
}
if (isset($_POST['action']) && $_POST['action'] == 'easysetup') {
$_POST['action'] = 'scupdates';
if (isset($_POST['wp_cache_easy_on']) && $_POST['wp_cache_easy_on'] == 1) {
$_POST['wp_cache_mobile_enabled'] = 1;
$_POST['wp_cache_status'] = 'all';
$_POST['super_cache_enabled'] = 2;
// PHP
$_POST['cache_rebuild_files'] = 1;
unset($_POST['cache_compression']);
} else {
unset($_POST['wp_cache_status']);
$_POST['super_cache_enabled'] = 0;
}
}
if (isset($_POST['action']) && $_POST['action'] == 'scupdates') {
if (isset($_POST['wp_super_cache_late_init'])) {
$wp_super_cache_late_init = 1;
} else {
$wp_super_cache_late_init = 0;
}
wp_cache_replace_line('^ *\\$wp_super_cache_late_init', "\$wp_super_cache_late_init = " . $wp_super_cache_late_init . ";", $wp_cache_config_file);
if (isset($_POST['wp_supercache_304'])) {
$wp_supercache_304 = 1;
} else {
$wp_supercache_304 = 0;
}
wp_cache_replace_line('^ *\\$wp_supercache_304', "\$wp_supercache_304 = " . $wp_supercache_304 . ";", $wp_cache_config_file);
if (isset($_POST['wp_cache_mobile_enabled'])) {
$wp_cache_mobile_enabled = 1;
} else {
$wp_cache_mobile_enabled = 0;
}
wp_cache_replace_line('^ *\\$wp_cache_mobile_enabled', "\$wp_cache_mobile_enabled = " . $wp_cache_mobile_enabled . ";", $wp_cache_config_file);
if (isset($_POST['wp_cache_front_page_checks'])) {
$wp_cache_front_page_checks = 1;
} else {
$wp_cache_front_page_checks = 0;
}
wp_cache_replace_line('^ *\\$wp_cache_front_page_checks', "\$wp_cache_front_page_checks = " . $wp_cache_front_page_checks . ";", $wp_cache_config_file);
$wp_supercache_cache_list = $_POST['wp_supercache_cache_list'] == 1 ? 1 : 0;
wp_cache_replace_line('^ *\\$wp_supercache_cache_list', "\$wp_supercache_cache_list = " . $wp_supercache_cache_list . ";", $wp_cache_config_file);
if (isset($_POST['wp_cache_status'])) {
if ($_POST['wp_cache_status'] == 'all') {
wp_cache_enable();
}
if (isset($_POST['super_cache_enabled'])) {
if ($_POST['super_cache_enabled'] == 0) {
wp_cache_enable();
wp_super_cache_disable();
}
if ($_POST['super_cache_enabled'] == 1) {
$wp_cache_mod_rewrite = 1;
// we need this because supercached files can be served by PHP too.
} else {
$wp_cache_mod_rewrite = 0;
}
wp_cache_replace_line('^ *\\$wp_cache_mod_rewrite', '$wp_cache_mod_rewrite = ' . $wp_cache_mod_rewrite . ";", $wp_cache_config_file);
}
} else {
wp_cache_disable();
}
if (isset($_POST['wp_cache_hello_world'])) {
$wp_cache_hello_world = 1;
} else {
$wp_cache_hello_world = 0;
}
wp_cache_replace_line('^ *\\$wp_cache_hello_world', '$wp_cache_hello_world = ' . $wp_cache_hello_world . ";", $wp_cache_config_file);
if (isset($_POST['wp_cache_clear_on_post_edit'])) {
$wp_cache_clear_on_post_edit = 1;
} else {
$wp_cache_clear_on_post_edit = 0;
}
wp_cache_replace_line('^ *\\$wp_cache_clear_on_post_edit', "\$wp_cache_clear_on_post_edit = " . $wp_cache_clear_on_post_edit . ";", $wp_cache_config_file);
if (isset($_POST['cache_rebuild_files'])) {
$cache_rebuild_files = 1;
} else {
$cache_rebuild_files = 0;
}
wp_cache_replace_line('^ *\\$cache_rebuild_files', "\$cache_rebuild_files = " . $cache_rebuild_files . ";", $wp_cache_config_file);
if (isset($_POST['wp_cache_mutex_disabled'])) {
$wp_cache_mutex_disabled = 0;
} else {
$wp_cache_mutex_disabled = 1;
}
if (defined('WPSC_DISABLE_LOCKING')) {
$wp_cache_mutex_disabled = 1;
}
wp_cache_replace_line('^ *\\$wp_cache_mutex_disabled', "\$wp_cache_mutex_disabled = " . $wp_cache_mutex_disabled . ";", $wp_cache_config_file);
if (isset($_POST['wp_cache_not_logged_in'])) {
if ($wp_cache_not_logged_in == 0 && function_exists('prune_super_cache')) {
prune_super_cache($cache_path, true);
}
$wp_cache_not_logged_in = 1;
} else {
$wp_cache_not_logged_in = 0;
}
wp_cache_replace_line('^ *\\$wp_cache_not_logged_in', "\$wp_cache_not_logged_in = " . $wp_cache_not_logged_in . ";", $wp_cache_config_file);
if (isset($_POST['wp_cache_make_known_anon'])) {
if ($wp_cache_make_known_anon == 0 && function_exists('prune_super_cache')) {
prune_super_cache($cache_path, true);
}
$wp_cache_make_known_anon = 1;
} else {
$wp_cache_make_known_anon = 0;
}
wp_cache_replace_line('^ *\\$wp_cache_make_known_anon', "\$wp_cache_make_known_anon = " . $wp_cache_make_known_anon . ";", $wp_cache_config_file);
if ($_wp_using_ext_object_cache && isset($_POST['wp_cache_object_cache'])) {
if ($wp_cache_object_cache == 0 && function_exists('prune_super_cache')) {
prune_super_cache($cache_path, true);
}
$wp_cache_object_cache = 1;
} else {
$wp_cache_object_cache = 0;
}
wp_cache_replace_line('^ *\\$wp_cache_object_cache', "\$wp_cache_object_cache = " . $wp_cache_object_cache . ";", $wp_cache_config_file);
if (isset($_POST['wp_cache_refresh_single_only'])) {
$wp_cache_refresh_single_only = 1;
} else {
$wp_cache_refresh_single_only = 0;
}
wp_cache_replace_line('^ *\\$wp_cache_refresh_single_only', "\$wp_cache_refresh_single_only = '" . $wp_cache_refresh_single_only . "';", $wp_cache_config_file);
if (defined('WPSC_DISABLE_COMPRESSION')) {
$cache_compression = 0;
wp_cache_replace_line('^ *\\$cache_compression', "\$cache_compression = " . $cache_compression . ";", $wp_cache_config_file);
} else {
if (isset($_POST['cache_compression'])) {
$new_cache_compression = 1;
} else {
$new_cache_compression = 0;
}
if (1 == ini_get('zlib.output_compression') || "on" == strtolower(ini_get('zlib.output_compression'))) {
echo '<div id="message" class="updated fade">' . __("<strong>Warning!</strong> You attempted to enable compression but <code>zlib.output_compression</code> is enabled. See #21 in the Troubleshooting section of the readme file.", 'wp-super-cache') . '</div>';
} else {
if ($new_cache_compression != $cache_compression) {
$cache_compression = $new_cache_compression;
wp_cache_replace_line('^ *\\$cache_compression', "\$cache_compression = " . $cache_compression . ";", $wp_cache_config_file);
if (function_exists('prune_super_cache')) {
prune_super_cache($cache_path, true);
}
delete_option('super_cache_meta');
}
}
}
}
}
function wp_cache_post_change($post_id)
{
global $file_prefix, $cache_path, $blog_id, $super_cache_enabled, $blog_cache_dir, $blogcacheid, $wp_cache_refresh_single_only;
static $last_processed = -1;
if ($post_id == $last_processed) {
return $post_id;
}
$last_processed = $post_id;
$post = get_post($post_id);
if ($post->post_status == 'draft') {
if (isset($GLOBALS['wp_super_cache_debug']) && $GLOBALS['wp_super_cache_debug']) {
wp_cache_debug("wp_cache_post_change: draft post, not deleting any cache files.", 4);
}
return $post_id;
}
if (!wp_cache_writers_entry()) {
return $post_id;
}
if (isset($wp_cache_refresh_single_only) && $wp_cache_refresh_single_only && strpos($_SERVER['REQUEST_URI'], 'wp-comments-post.php')) {
if (isset($GLOBALS['wp_super_cache_debug']) && $GLOBALS['wp_super_cache_debug']) {
wp_cache_debug("wp_cache_post_change: comment detected. only deleting post page.", 4);
}
$all = false;
} else {
$all = true;
}
if ($wp_cache_object_cache) {
reset_oc_version();
}
$permalink = trailingslashit(str_replace(get_option('siteurl'), '', post_permalink($post_id)));
if ($super_cache_enabled) {
$dir = get_supercache_dir();
$siteurl = trailingslashit(strtolower(preg_replace('/:.*$/', '', str_replace('http://', '', get_option('home')))));
// make sure the front page has a rebuild file
wp_cache_post_id_gc($siteurl, $post_id);
// make sure the front page has a rebuild file
if ($all == true) {
if (isset($GLOBALS['wp_super_cache_debug']) && $GLOBALS['wp_super_cache_debug']) {
wp_cache_debug("Post change: deleting cache files in " . $cache_path . 'supercache/' . $siteurl, 4);
}
$files_to_check = get_all_supercache_filenames($dir);
foreach ($files_to_check as $cache_file) {
prune_super_cache($dir . $cache_file, true, true);
}
do_action('gc_cache', 'prune', 'homepage');
}
wp_cache_post_id_gc($siteurl, $post_id);
if ($all == true && get_option('show_on_front') == 'page') {
if (isset($GLOBALS['wp_super_cache_debug']) && $GLOBALS['wp_super_cache_debug']) {
wp_cache_debug("Post change: deleting page_on_front and page_for_posts pages.", 4);
}
if (isset($GLOBALS['wp_super_cache_debug']) && $GLOBALS['wp_super_cache_debug']) {
wp_cache_debug("Post change: page_on_front " . get_option('page_on_front'), 4);
}
wp_cache_post_id_gc($siteurl, get_option('page_on_front'), 'single');
$permalink = trailingslashit(str_replace(get_option('home'), '', post_permalink(get_option('page_for_posts'))));
$files_to_check = get_all_supercache_filenames($dir . $permalink);
foreach ($files_to_check as $cache_file) {
prune_super_cache($dir . $permalink . $cache_file, true, true);
}
do_action('gc_cache', 'prune', $permalink);
}
}
$matches = array();
if ($handle = @opendir($blog_cache_dir . 'meta/')) {
while (false !== ($file = readdir($handle))) {
if (preg_match("/^({$file_prefix}{$blogcacheid}.*)\\.meta/", $file, $matches)) {
$meta_pathname = $blog_cache_dir . 'meta/' . $file;
$content_pathname = $blog_cache_dir . $matches[1] . ".html";
$meta = unserialize(@file_get_contents($meta_pathname));
if (false == is_array($meta)) {
if (isset($GLOBALS['wp_super_cache_debug']) && $GLOBALS['wp_super_cache_debug']) {
wp_cache_debug("Post change cleaning up stray file: {$content_pathname}", 4);
}
@unlink($meta_pathname);
@unlink($content_pathname);
continue;
}
if ($post_id > 0 && $meta) {
$permalink = trailingslashit(str_replace(get_option('home'), '', post_permalink($post_id)));
if ($meta['blog_id'] == $blog_id && ($all == true && !$meta['post'] || $meta['post'] == $post_id)) {
if (isset($GLOBALS['wp_super_cache_debug']) && $GLOBALS['wp_super_cache_debug']) {
wp_cache_debug("Post change: deleting post cache files for {$meta['uri']}: {$content_pathname}", 4);
}
@unlink($meta_pathname);
@unlink($content_pathname);
if ($super_cache_enabled == true) {
@prune_super_cache($dir . $permalink, true, true);
do_action('gc_cache', 'rebuild', $permalink);
}
}
} elseif ($meta['blog_id'] == $blog_id) {
if (isset($GLOBALS['wp_super_cache_debug']) && $GLOBALS['wp_super_cache_debug']) {
wp_cache_debug("Post change: deleting cache files for {$meta['uri']}: {$content_pathname}", 4);
}
@unlink($meta_pathname);
@unlink($content_pathname);
if ($super_cache_enabled == true) {
$files_to_check = get_all_supercache_filenames($dir . $meta['uri']);
foreach ($files_to_check as $cache_file) {
@wp_cache_rebuild_or_delete($dir . trailingslashit($meta['uri']) . $cache_file);
}
do_action('gc_cache', 'rebuild', trailingslashit($meta['uri']));
}
}
}
}
closedir($handle);
}
wp_cache_writers_exit();
return $post_id;
}
function clear_post_supercache($post_id)
{
$dir = get_current_url_supercache_dir($post_id);
if (false == @is_dir($dir)) {
return false;
}
if (!function_exists('prune_super_cache')) {
include_once 'wp-cache-phase2.php';
}
wp_cache_debug("clear_post_supercache: deleting {$dir}/index*.html files", 2);
$files_to_check = get_all_supercache_filenames($dir);
foreach ($files_to_check as $cache_file) {
prune_super_cache($dir . $cache_file, true);
}
}
function wp_cache_post_change($post_id)
{
global $file_prefix, $cache_path, $blog_id, $super_cache_enabled, $blog_cache_dir, $blogcacheid, $wp_cache_refresh_single_only, $wp_cache_object_cache;
static $last_processed = -1;
if ($post_id == $last_processed) {
wp_cache_debug("wp_cache_post_change: Already processed post {$post_id}.", 4);
return $post_id;
}
$post = get_post($post_id);
// Some users are inexplicibly seeing this error on scheduled posts.
// define this constant to disable the post status check.
if (false == defined('WPSCFORCEUPDATE') && is_object($post) && $post->post_status != 'publish') {
wp_cache_debug("wp_cache_post_change: draft post, not deleting any cache files.", 4);
return $post_id;
}
$last_processed = $post_id;
if (!wp_cache_writers_entry()) {
return $post_id;
}
if (isset($wp_cache_refresh_single_only) && $wp_cache_refresh_single_only && (strpos($_SERVER['HTTP_REFERER'], 'edit-comments.php') || strpos($_SERVER['REQUEST_URI'], 'wp-comments-post.php'))) {
if (defined('DONOTDELETECACHE')) {
wp_cache_debug("wp_cache_post_change: comment detected and it's moderated or spam. Not deleting cached files.", 4);
return $post_id;
} else {
wp_cache_debug("wp_cache_post_change: comment detected. only deleting post page.", 4);
$all = false;
}
} else {
$all = true;
}
if ($wp_cache_object_cache) {
reset_oc_version();
}
$permalink = trailingslashit(str_replace(get_option('siteurl'), '', post_permalink($post_id)));
if ($super_cache_enabled) {
$dir = get_supercache_dir();
$siteurl = trailingslashit(strtolower(preg_replace('/:.*$/', '', str_replace('https://', '', str_replace('http://', '', get_option('home'))))));
// make sure the front page has a rebuild file
wp_cache_post_id_gc($siteurl, $post_id);
if ($all == true) {
wp_cache_debug("Post change: supercache enabled: deleting cache files in " . $cache_path . 'supercache/' . $siteurl, 4);
$files_to_check = get_all_supercache_filenames($dir);
foreach ($files_to_check as $cache_file) {
wp_cache_debug("Post change: deleting cache file: " . $dir . $cache_file, 4);
prune_super_cache($dir . $cache_file, true, true);
}
do_action('gc_cache', 'prune', 'homepage');
} else {
wp_cache_debug("wp_cache_post_change: not deleting all pages.", 4);
}
if ($all == true && get_option('show_on_front') == 'page') {
wp_cache_debug("Post change: deleting page_on_front and page_for_posts pages.", 4);
wp_cache_debug("Post change: page_on_front " . get_option('page_on_front'), 4);
wp_cache_post_id_gc($siteurl, get_option('page_on_front'), 'single');
$permalink = trailingslashit(str_replace(get_option('home'), '', post_permalink(get_option('page_for_posts'))));
$files_to_check = get_all_supercache_filenames($dir . $permalink);
foreach ($files_to_check as $cache_file) {
prune_super_cache($dir . $permalink . $cache_file, true, true);
}
do_action('gc_cache', 'prune', $permalink);
} else {
wp_cache_debug("wp_cache_post_change: not deleting front static page.", 4);
}
}
wp_cache_debug("wp_cache_post_change: checking {$blog_cache_dir}meta/", 4);
$matches = array();
if ($handle = @opendir($blog_cache_dir . 'meta/')) {
while (false !== ($file = readdir($handle))) {
if (preg_match("/^({$file_prefix}{$blogcacheid}.*)\\.meta/", $file, $matches)) {
$meta_pathname = $blog_cache_dir . 'meta/' . $file;
$content_pathname = $blog_cache_dir . $matches[1] . ".html";
$meta = unserialize(@file_get_contents($meta_pathname));
if (false == is_array($meta)) {
wp_cache_debug("Post change cleaning up stray file: {$content_pathname}", 4);
@unlink($meta_pathname);
@unlink($content_pathname);
continue;
}
if ($post_id > 0 && $meta) {
$permalink = trailingslashit(str_replace(get_option('home'), '', post_permalink($post_id)));
if ($meta['blog_id'] == $blog_id && ($all == true && !$meta['post'] || $meta['post'] == $post_id)) {
wp_cache_debug("Post change: deleting post cache files for {$meta['uri']}: {$content_pathname}", 4);
@unlink($meta_pathname);
@unlink($content_pathname);
if ($super_cache_enabled == true) {
@prune_super_cache($dir . $permalink, true, true);
do_action('gc_cache', 'rebuild', $permalink);
}
}
} elseif ($meta['blog_id'] == $blog_id) {
wp_cache_debug("Post change: deleting cache files for {$meta['uri']}: {$content_pathname}", 4);
@unlink($meta_pathname);
@unlink($content_pathname);
if ($super_cache_enabled == true) {
$files_to_check = get_all_supercache_filenames($dir . $meta['uri']);
foreach ($files_to_check as $cache_file) {
@wp_cache_rebuild_or_delete($dir . trailingslashit($meta['uri']) . $cache_file);
}
do_action('gc_cache', 'rebuild', trailingslashit($meta['uri']));
}
}
}
}
closedir($handle);
}
wp_cache_writers_exit();
return $post_id;
}