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<?php |
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function wp_cache_phase2() { |
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global $cache_filename, $cache_acceptable_files, $wp_cache_gzip_encoding, $super_cache_enabled, $cache_rebuild_files, $wp_cache_gmt_offset, $wp_cache_blog_charset, $wp_cache_last_gc; |
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global $cache_max_time, $wp_cache_not_logged_in, $wp_cache_request_uri, $super_cache_enabled; |
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if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( 'In WP Cache Phase 2', 5 ); |
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$wp_cache_gmt_offset = get_option( 'gmt_offset' ); // caching for later use when wpdb is gone. http://wordpress.org/support/topic/224349 |
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$wp_cache_blog_charset = get_option( 'blog_charset' ); |
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wp_cache_mutex_init(); |
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if(function_exists('add_action') && ( !defined( 'WPLOCKDOWN' ) || ( defined( 'WPLOCKDOWN' ) && constant( 'WPLOCKDOWN' ) == '0' ) ) ) { |
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if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( 'Setting up WordPress actions', 5 ); |
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// Post ID is received |
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add_action('publish_post', 'wp_cache_post_edit', 0); |
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add_action('edit_post', 'wp_cache_post_change', 0); // leaving a comment called edit_post |
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add_action('delete_post', 'wp_cache_post_edit', 0); |
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add_action('publish_phone', 'wp_cache_post_edit', 0); |
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// Coment ID is received |
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add_action('trackback_post', 'wp_cache_get_postid_from_comment', 99); |
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add_action('pingback_post', 'wp_cache_get_postid_from_comment', 99); |
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add_action('comment_post', 'wp_cache_get_postid_from_comment', 99); |
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add_action('edit_comment', 'wp_cache_get_postid_from_comment', 99); |
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add_action('wp_set_comment_status', 'wp_cache_get_postid_from_comment', 99, 2); |
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// No post_id is available |
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add_action('switch_theme', 'wp_cache_no_postid', 99); |
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add_action('edit_user_profile_update', 'wp_cache_no_postid', 99); |
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28 |
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add_action('wp_cache_gc','wp_cache_gc_cron'); |
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do_cacheaction( 'add_cacheaction' ); |
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} |
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if ( is_admin() ) { |
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if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( 'Not caching wp-admin requests.', 5 ); |
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return false; |
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} |
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if ( $_SERVER["REQUEST_METHOD"] == 'POST' || !empty( $_POST ) || get_option( 'gzipcompression' ) ) { |
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if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( 'Not caching POST request.', 5 ); |
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return false; |
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} |
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if ( isset( $_GET[ 'preview' ] ) ) { |
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if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( 'Not caching preview post.', 2 ); |
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return false; |
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} |
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if ( !empty( $_GET ) ) { |
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if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( 'Supercache caching disabled. Non empty GET request.', 5 ); |
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$super_cache_enabled = false; |
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} |
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if ( $wp_cache_not_logged_in && is_user_logged_in() && !is_feed() && !is_admin() ) { |
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if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) { |
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wp_cache_debug( 'not caching for logged in user', 5 ); |
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register_shutdown_function( 'wpcache_logged_in_message' ); |
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} |
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return false; |
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} |
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$script = basename($_SERVER['PHP_SELF']); |
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if (!in_array($script, $cache_acceptable_files) && wp_cache_is_rejected($wp_cache_request_uri)) { |
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if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( 'URI rejected. Not Caching', 2 ); |
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return false; |
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} |
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if (wp_cache_user_agent_is_rejected()) { |
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if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( "USER AGENT ({$_SERVER[ 'HTTP_USER_AGENT' ]}) rejected. Not Caching", 4 ); |
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return; |
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} |
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if($wp_cache_gzip_encoding) |
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header('Vary: Accept-Encoding, Cookie'); |
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else |
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header('Vary: Cookie'); |
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ob_start( 'wp_cache_ob_callback' ); |
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if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( 'Created output buffer', 4 ); |
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// restore old supercache file temporarily |
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if( $super_cache_enabled && $cache_rebuild_files ) { |
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$user_info = wp_cache_get_cookies_values(); |
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$do_cache = apply_filters( 'do_createsupercache', $user_info ); |
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if( $user_info == '' || $do_cache === true ) { |
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$dir = get_current_url_supercache_dir(); |
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$files_to_check = array( $dir . 'index.html', $dir . 'index.html.gz' ); |
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foreach( $files_to_check as $cache_file ) { |
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if( !@file_exists( $cache_file . '.needs-rebuild' ) ) |
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continue; |
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$mtime = @filemtime($cache_file . '.needs-rebuild'); |
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if( $mtime && (time() - $mtime) < 30 ) { |
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if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( "Rebuild file renamed to cache file temporarily", 3 ); |
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@rename( $cache_file . '.needs-rebuild', $cache_file ); |
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} |
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// cleanup old files or if rename fails |
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if( @file_exists( $cache_file . '.needs-rebuild' ) ) { |
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if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( "Rebuild file deleted", 3 ); |
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@unlink( $cache_file . '.needs-rebuild' ); |
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} |
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} |
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} |
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} |
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if( !isset( $cache_max_time ) ) |
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$cache_max_time = 600; |
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$last_gc = get_option( "wpsupercache_gc_time" ); |
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if( !$last_gc ) { |
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update_option( 'wpsupercache_gc_time', time() ); |
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} |
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$next_gc = $cache_max_time < 1800 ? $cache_max_time : 600; |
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if( $last_gc < ( time() - $next_gc ) ) { |
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update_option( 'wpsupercache_gc_time', time() ); |
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global $wp_cache_shutdown_gc; |
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if( !isset( $wp_cache_shutdown_gc ) || $wp_cache_shutdown_gc == 0 ) { |
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if(!wp_next_scheduled('wp_cache_gc')) { |
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wp_schedule_single_event(time() + 10 , 'wp_cache_gc'); |
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if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( 'scheduled wp_cache_gc for 10 seconds time.', 5 ); |
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} |
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} else { |
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global $time_to_gc_cache; |
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$time_to_gc_cache = 1; // tell the "shutdown gc" to run! |
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} |
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} |
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} |
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function wpcache_logged_in_message() { |
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echo '<!-- WP Super Cache did not cache this page because you are logged in and "Don\'t cache pages for logged in users" is enabled. -->'; |
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} |
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129 |
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if ( !function_exists( 'wp_cache_user_agent_is_rejected' ) ) { |
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function wp_cache_user_agent_is_rejected() { |
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global $cache_rejected_user_agent; |
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if (!function_exists('apache_request_headers')) return false; |
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$headers = apache_request_headers(); |
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if (!isset($headers["User-Agent"])) return false; |
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foreach ($cache_rejected_user_agent as $expr) { |
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if (strlen($expr) > 0 && stristr($headers["User-Agent"], $expr)) |
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return true; |
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} |
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return false; |
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} |
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} |
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function wp_cache_get_response_headers() { |
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if(function_exists('apache_response_headers')) { |
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flush(); |
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$headers = apache_response_headers(); |
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} else if(function_exists('headers_list')) { |
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$headers = array(); |
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foreach(headers_list() as $hdr) { |
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list($header_name, $header_value) = explode(': ', $hdr, 2); |
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$headers[$header_name] = $header_value; |
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} |
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} else |
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$headers = null; |
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return $headers; |
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} |
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function wp_cache_is_rejected($uri) { |
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global $cache_rejected_uri; |
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$auto_rejected = array( '/wp-admin/', 'xmlrpc.php', 'wp-app.php' ); |
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foreach( $auto_rejected as $u ) { |
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if( strstr( $uri, $u ) ) |
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return true; // we don't allow caching of wp-admin for security reasons |
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} |
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foreach ($cache_rejected_uri as $expr) { |
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if( $expr != '' && preg_match( "~$expr~", $uri ) ) |
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return true; |
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} |
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return false; |
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} |
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function wp_cache_mutex_init() { |
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global $use_flock, $mutex, $cache_path, $mutex_filename, $sem_id, $blog_cache_dir, $wp_cache_mutex_disabled; |
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if( isset( $wp_cache_mutex_disabled ) && $wp_cache_mutex_disabled ) |
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return true; |
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if(!is_bool($use_flock)) { |
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if(function_exists('sem_get')) |
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$use_flock = false; |
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else |
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$use_flock = true; |
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} |
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$mutex = false; |
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if ($use_flock) { |
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if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( "Created mutex lock on filename: {$blog_cache_dir}{$mutex_filename}", 5 ); |
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$mutex = @fopen($blog_cache_dir . $mutex_filename, 'w'); |
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} else { |
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if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( "Created mutex lock on semaphore: $sem_id", 5 ); |
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$mutex = @sem_get($sem_id, 1, 0644 | IPC_CREAT, 1); |
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} |
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} |
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function wp_cache_writers_entry() { |
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global $use_flock, $mutex, $cache_path, $mutex_filename, $wp_cache_mutex_disabled; |
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if( isset( $wp_cache_mutex_disabled ) && $wp_cache_mutex_disabled ) |
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return true; |
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if( !$mutex ) { |
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if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( "(writers entry) mutex lock not created. not caching.", 2 ); |
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return false; |
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} |
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if ($use_flock) { |
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if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( "grabbing lock using flock()", 5 ); |
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flock($mutex, LOCK_EX); |
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} else { |
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if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( "grabbing lock using sem_acquire()", 5 ); |
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sem_acquire($mutex); |
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} |
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return true; |
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} |
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function wp_cache_writers_exit() { |
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global $use_flock, $mutex, $cache_path, $mutex_filename, $wp_cache_mutex_disabled; |
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if( isset( $wp_cache_mutex_disabled ) && $wp_cache_mutex_disabled ) |
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return true; |
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226 |
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if( !$mutex ) { |
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if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( "(writers exit) mutex lock not created. not caching.", 2 ); |
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return false; |
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} |
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231 |
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if ($use_flock) { |
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if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( "releasing lock using flock()", 5 ); |
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flock($mutex, LOCK_UN); |
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} else { |
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if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( "releasing lock using sem_release()", 5 ); |
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sem_release($mutex); |
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} |
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} |
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240 |
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function get_current_url_supercache_dir() { |
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global $cached_direct_pages, $cache_path, $wp_cache_request_uri; |
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$uri = preg_replace('/[ <>\'\"\r\n\t\(\)]/', '', str_replace( '/index.php', '/', str_replace( '..', '', preg_replace("/(\?.*)?$/", '', $wp_cache_request_uri ) ) ) ); |
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$uri = str_replace( '\\', '', $uri ); |
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$dir = strtolower(preg_replace('/:.*$/', '', $_SERVER["HTTP_HOST"])) . $uri; // To avoid XSS attacks |
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$dir = apply_filters( 'supercache_dir', $dir ); |
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$dir = trailingslashit( $cache_path . 'supercache/' . $dir ); |
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if( is_array( $cached_direct_pages ) && in_array( $_SERVER[ 'REQUEST_URI' ], $cached_direct_pages ) ) { |
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$dir = trailingslashit( ABSPATH . $uri ); |
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} |
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$dir = str_replace( '//', '/', $dir ); |
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if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( "supercache dir: $dir", 5 ); |
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return $dir; |
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} |
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255 |
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function wp_cache_ob_callback( $buffer ) { |
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global $wp_cache_pages; |
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if( defined( 'DONOTCACHEPAGE' ) ) |
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return $buffer; |
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if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( 'Output buffer callback', 4 ); |
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261 |
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if ( isset( $wp_cache_pages[ 'single' ] ) && $wp_cache_pages[ 'single' ] == 1 && is_single() ) { |
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return $buffer; |
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264 |
} elseif ( isset( $wp_cache_pages[ 'pages' ] ) && $wp_cache_pages[ 'pages' ] == 1 && is_page() ) { |
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return $buffer; |
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266 |
} elseif ( isset( $wp_cache_pages[ 'archives' ] ) && $wp_cache_pages[ 'archives' ] == 1 && is_archive() ) { |
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return $buffer; |
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268 |
} elseif ( isset( $wp_cache_pages[ 'tag' ] ) && $wp_cache_pages[ 'tag' ] == 1 && is_tag() ) { |
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return $buffer; |
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} elseif ( isset( $wp_cache_pages[ 'category' ] ) && $wp_cache_pages[ 'category' ] == 1 && is_category() ) { |
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return $buffer; |
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} elseif ( isset( $wp_cache_pages[ 'frontpage' ] ) && $wp_cache_pages[ 'frontpage' ] == 1 && is_front_page() ) { |
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return $buffer; |
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} elseif ( isset( $wp_cache_pages[ 'home' ] ) && $wp_cache_pages[ 'home' ] == 1 && is_home() ) { |
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return $buffer; |
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} elseif ( isset( $wp_cache_pages[ 'search' ] ) && $wp_cache_pages[ 'search' ] == 1 && is_search() ) { |
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return $buffer; |
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} elseif ( isset( $wp_cache_pages[ 'feed' ] ) && $wp_cache_pages[ 'feed' ] == 1 && is_feed() ) { |
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return $buffer; |
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} |
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$buffer = &wp_cache_get_ob( $buffer ); |
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wp_cache_shutdown_callback(); |
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return $buffer; |
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} |
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285 |
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286 |
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287 |
function wp_cache_get_ob(&$buffer) { |
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global $cache_path, $cache_filename, $meta_file, $wp_start_time, $supercachedir; |
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289 |
global $new_cache, $wp_cache_meta, $file_expired, $blog_id, $cache_compression; |
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global $wp_cache_gzip_encoding, $super_cache_enabled, $cached_direct_pages; |
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291 |
global $wp_cache_404, $gzsize, $supercacheonly, $wp_cache_gzip_first, $wp_cache_gmt_offset; |
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292 |
global $blog_cache_dir, $wp_cache_request_uri, $wp_supercache_cache_list; |
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293 |
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294 |
$new_cache = true; |
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$wp_cache_meta = ''; |
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296 |
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297 |
/* Mode paranoic, check for closing tags |
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298 |
* we avoid caching incomplete files */ |
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|
299 |
if ( $buffer == '' ) { |
|
|
300 |
$new_cache = false; |
|
|
301 |
if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) { |
|
|
302 |
wp_cache_debug( "Buffer is blank. Output buffer may have been corrupted by another plugin or this is a redirected URL. Look for text 'ob_start' in the files of your plugins directory.", 2 ); |
|
|
303 |
$buffer .= "\n<!-- Page not cached by WP Super Cache. Blank Page. Check output buffer usage by plugins. -->\n"; |
|
|
304 |
} |
|
|
305 |
} |
|
|
306 |
|
|
|
307 |
if ( $wp_cache_404 && false == apply_filters( 'wpsupercache_404', false ) ) { |
|
|
308 |
$new_cache = false; |
|
|
309 |
if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) { |
|
|
310 |
wp_cache_debug( "404 file not found not cached", 2 ); |
|
|
311 |
$buffer .= "\n<!-- Page not cached by WP Super Cache. 404. -->\n"; |
|
|
312 |
} |
|
|
313 |
} |
|
|
314 |
|
|
|
315 |
if (!preg_match('/(<\/html>|<\/rss>|<\/feed>)/i',$buffer) ) { |
|
|
316 |
$new_cache = false; |
|
|
317 |
if( false === strpos( $_SERVER[ 'REQUEST_URI' ], 'robots.txt' ) ) { |
|
|
318 |
if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) { |
|
|
319 |
wp_cache_debug( "No closing html tag. Not caching.", 2 ); |
|
|
320 |
$buffer .= "\n<!-- Page not cached by WP Super Cache. No closing HTML tag. Check your theme. -->\n"; |
|
|
321 |
} |
|
|
322 |
} else { |
|
|
323 |
if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( "robots.txt detected. Not caching.", 2 ); |
|
|
324 |
} |
|
|
325 |
} |
|
|
326 |
|
|
|
327 |
if( !$new_cache ) |
|
|
328 |
return $buffer; |
|
|
329 |
|
|
|
330 |
$duration = wp_cache_microtime_diff($wp_start_time, microtime()); |
|
|
331 |
$duration = sprintf("%0.3f", $duration); |
|
|
332 |
$buffer .= "\n<!-- Dynamic page generated in $duration seconds. -->\n"; |
|
|
333 |
|
|
|
334 |
if( !wp_cache_writers_entry() ) { |
|
|
335 |
$buffer .= "\n<!-- Page not cached by WP Super Cache. Could not get mutex lock. -->\n"; |
|
|
336 |
if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( "Could not get mutex lock. Not caching.", 1 ); |
|
|
337 |
return $buffer; |
|
|
338 |
} |
|
|
339 |
|
|
|
340 |
$dir = get_current_url_supercache_dir(); |
|
|
341 |
$supercachedir = $cache_path . 'supercache/' . preg_replace('/:.*$/', '', $_SERVER["HTTP_HOST"]); |
|
|
342 |
if( !empty( $_GET ) || is_feed() || ( $super_cache_enabled == true && is_dir( substr( $supercachedir, 0, -1 ) . '.disabled' ) ) ) { |
|
|
343 |
if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( "Supercache disabled: GET or feed detected or disabled by config.", 2 ); |
|
|
344 |
$super_cache_enabled = false; |
|
|
345 |
} |
|
|
346 |
|
|
|
347 |
$tmp_wpcache_filename = $cache_path . uniqid( mt_rand(), true ) . '.tmp'; |
|
|
348 |
|
|
|
349 |
// Don't create wp-cache files for anon users |
|
|
350 |
$supercacheonly = false; |
|
|
351 |
if( $super_cache_enabled && wp_cache_get_cookies_values() == '' ) { |
|
|
352 |
if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( "Anonymous user detected. Only creating Supercache file.", 3 ); |
|
|
353 |
$supercacheonly = true; |
|
|
354 |
} |
|
|
355 |
|
|
|
356 |
if( !$supercacheonly ) { |
|
|
357 |
if ( !@file_exists( $blog_cache_dir . $cache_filename ) || ( @file_exists( $blog_cache_dir . $cache_filename ) && ( time() - @filemtime( $blog_cache_dir . $cache_filename ) ) > 5 ) ) { |
|
|
358 |
$fr = @fopen($tmp_wpcache_filename, 'w'); |
|
|
359 |
if (!$fr) { |
|
|
360 |
if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( "Error. Supercache could not write to " . str_replace( ABSPATH, '', $cache_path ) . $cache_filename, 1 ); |
|
|
361 |
$buffer .= "<!-- File not cached! Super Cache Couldn't write to: " . str_replace( ABSPATH, '', $cache_path ) . $cache_filename . " -->\n"; |
|
|
362 |
return $buffer; |
|
|
363 |
} |
|
|
364 |
} |
|
|
365 |
} |
|
|
366 |
if( $super_cache_enabled ) { |
|
|
367 |
$user_info = wp_cache_get_cookies_values(); |
|
|
368 |
$do_cache = apply_filters( 'do_createsupercache', $user_info ); |
|
|
369 |
if( $user_info == '' || $do_cache === true ) { |
|
|
370 |
|
|
|
371 |
if( @is_dir( $dir ) == false ) |
|
|
372 |
@wp_mkdir_p( $dir ); |
|
|
373 |
|
|
|
374 |
$cache_fname = "{$dir}index.html"; |
|
|
375 |
$tmp_cache_filename = $dir . uniqid( mt_rand(), true ) . '.tmp'; |
|
|
376 |
if ( !@file_exists( $cache_fname ) || ( @file_exists( $cache_fname ) && ( time() - @filemtime( $cache_fname ) ) > 5 ) ) { |
|
|
377 |
$fr2 = @fopen( $tmp_cache_filename, 'w' ); |
|
|
378 |
if (!$fr2) { |
|
|
379 |
if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( "Error. Supercache could not write to " . str_replace( ABSPATH, '', $tmp_cache_filename ), 1 ); |
|
|
380 |
$buffer .= "<!-- File not cached! Super Cache Couldn't write to: " . str_replace( ABSPATH, '', $tmp_cache_filename ) . " -->\n"; |
|
|
381 |
@fclose( $fr ); |
|
|
382 |
@unlink( $tmp_wpcache_filename ); |
|
|
383 |
return $buffer; |
|
|
384 |
} elseif( $cache_compression ) { |
|
|
385 |
$gz = @fopen( $tmp_cache_filename . ".gz", 'w'); |
|
|
386 |
if (!$gz) { |
|
|
387 |
if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( "Error. Supercache could not write to " . str_replace( ABSPATH, '', $tmp_cache_filename ) . ".gz", 1 ); |
|
|
388 |
$buffer .= "<!-- File not cached! Super Cache Couldn't write to: " . str_replace( ABSPATH, '', $tmp_cache_filename ) . ".gz -->\n"; |
|
|
389 |
@fclose( $fr ); |
|
|
390 |
@unlink( $tmp_wpcache_filename ); |
|
|
391 |
@fclose( $fr2 ); |
|
|
392 |
@unlink( $tmp_cache_filename ); |
|
|
393 |
return $buffer; |
|
|
394 |
} |
|
|
395 |
} |
|
|
396 |
} |
|
|
397 |
} |
|
|
398 |
} |
|
|
399 |
|
|
|
400 |
if (preg_match('/<!--mclude|<!--mfunc/', $buffer)) { //Dynamic content |
|
|
401 |
if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( "Dynamic content found in buffer.", 4 ); |
|
|
402 |
$store = preg_replace('|<!--mclude (.*?)-->(.*?)<!--/mclude-->|is', |
|
|
403 |
"<!--mclude-->\n<?php include_once('" . ABSPATH . "$1'); ?>\n<!--/mclude-->", $buffer); |
|
|
404 |
$store = preg_replace('|<!--mfunc (.*?)-->(.*?)<!--/mfunc-->|is', |
|
|
405 |
"<!--mfunc-->\n<?php $1 ;?>\n<!--/mfunc-->", $store); |
|
|
406 |
$store = apply_filters( 'wpsupercache_buffer', $store ); |
|
|
407 |
$wp_cache_meta[ 'dynamic' ] = true; |
|
|
408 |
/* Clean function calls in tag */ |
|
|
409 |
$buffer = preg_replace('|<!--mclude (.*?)-->|is', '<!--mclude-->', $buffer); |
|
|
410 |
$buffer = preg_replace('|<!--mfunc (.*?)-->|is', '<!--mfunc-->', $buffer); |
|
|
411 |
if( $fr ) |
|
|
412 |
fputs($fr, $store); |
|
|
413 |
if( $fr2 ) |
|
|
414 |
fputs($fr2, $store . '<!-- super cache -->' ); |
|
|
415 |
if( $gz ) |
|
|
416 |
fputs($gz, gzencode( $store . '<!-- super cache gz -->', 1, FORCE_GZIP ) ); |
|
|
417 |
} else { |
|
|
418 |
$buffer = apply_filters( 'wpsupercache_buffer', $buffer ); |
|
|
419 |
$buffer .= "<!-- Cached page generated by WP-Super-Cache on " . gmdate('Y-m-d H:i:s', (time() + ( $wp_cache_gmt_offset * 3600))) . " -->\n"; |
|
|
420 |
|
|
|
421 |
if( $gz || $wp_cache_gzip_encoding ) { |
|
|
422 |
if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( "Gzipping buffer.", 5 ); |
|
|
423 |
$gzdata = gzencode( $buffer . "<!-- Compression = gzip -->", 3, FORCE_GZIP ); |
|
|
424 |
$gzsize = strlen($gzdata); |
|
|
425 |
} |
|
|
426 |
if ($wp_cache_gzip_encoding) { |
|
|
427 |
$wp_cache_meta[ 'headers' ][ 'Content-Encoding' ] = 'Content-Encoding: ' . $wp_cache_gzip_encoding; |
|
|
428 |
$wp_cache_meta[ 'headers' ][ 'Vary' ] = 'Vary: Accept-Encoding, Cookie'; |
|
|
429 |
// Return uncompressed data & store compressed for later use |
|
|
430 |
if( $fr ) { |
|
|
431 |
if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( "Writing gzipped buffer to wp-cache cache file.", 5 ); |
|
|
432 |
fputs($fr, $gzdata); |
|
|
433 |
} |
|
|
434 |
} else { // no compression |
|
|
435 |
$wp_cache_meta[ 'headers' ][ 'Vary' ] = 'Vary: Cookie'; |
|
|
436 |
if( $fr ) { |
|
|
437 |
if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( "Writing non-gzipped buffer to wp-cache cache file.", 5 ); |
|
|
438 |
fputs($fr, $buffer); |
|
|
439 |
} |
|
|
440 |
} |
|
|
441 |
if( $fr2 ) { |
|
|
442 |
if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( "Writing non-gzipped buffer to supercache file.", 5 ); |
|
|
443 |
fputs($fr2, $buffer . '<!-- super cache -->' ); |
|
|
444 |
} |
|
|
445 |
if( $gz ) { |
|
|
446 |
if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( "Writing gzipped buffer to supercache file.", 5 ); |
|
|
447 |
fwrite($gz, $gzdata ); |
|
|
448 |
} |
|
|
449 |
$buffer .= $log; |
|
|
450 |
} |
|
|
451 |
$new_cache = true; |
|
|
452 |
$added_cache = 0; |
|
|
453 |
if( $fr ) { |
|
|
454 |
$supercacheonly = false; |
|
|
455 |
fclose($fr); |
|
|
456 |
if( !rename( $tmp_wpcache_filename, $blog_cache_dir . $cache_filename ) ) { |
|
|
457 |
unlink( $blog_cache_dir . $cache_filename ); |
|
|
458 |
rename( $tmp_wpcache_filename, $blog_cache_dir . $cache_filename ); |
|
|
459 |
} |
|
|
460 |
if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( "Renamed temp wp-cache file to {$blog_cache_dir}$cache_filename", 5 ); |
|
|
461 |
$added_cache = 1; |
|
|
462 |
} |
|
|
463 |
if( $fr2 ) { |
|
|
464 |
fclose($fr2); |
|
|
465 |
if( !@rename( $tmp_cache_filename, $cache_fname ) ) { |
|
|
466 |
@unlink( $cache_fname ); |
|
|
467 |
@rename( $tmp_cache_filename, $cache_fname ); |
|
|
468 |
} |
|
|
469 |
if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( "Renamed temp supercache file to $cache_fname", 5 ); |
|
|
470 |
$added_cache = 1; |
|
|
471 |
} |
|
|
472 |
if( $gz ) { |
|
|
473 |
fclose($gz); |
|
|
474 |
if( !@rename( $tmp_cache_filename . '.gz', $cache_fname . '.gz' ) ) { |
|
|
475 |
@unlink( $cache_fname . '.gz' ); |
|
|
476 |
@rename( $tmp_cache_filename . '.gz', $cache_fname . '.gz' ); |
|
|
477 |
} |
|
|
478 |
if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( "Renamed temp supercache gz file to {$cache_fname}.gz", 5 ); |
|
|
479 |
$added_cache = 1; |
|
|
480 |
} |
|
|
481 |
if ( $added_cache && isset( $wp_supercache_cache_list ) && $wp_supercache_cache_list ) { |
|
|
482 |
update_option( 'wpsupercache_count', ( get_option( 'wpsupercache_count' ) + 1 ) ); |
|
|
483 |
$last_urls = (array)get_option( 'supercache_last_cached' ); |
|
|
484 |
if ( count( $last_urls ) >= 10 ) |
|
|
485 |
$last_urls = array_slice( $last_urls, 1, 9 ); |
|
|
486 |
$last_urls[] = array( 'url' => $_SERVER[ 'REQUEST_URI' ], 'date' => date( 'Y-m-d H:i:s' ) ); |
|
|
487 |
update_option( 'supercache_last_cached', $last_urls ); |
|
|
488 |
} |
|
|
489 |
wp_cache_writers_exit(); |
|
|
490 |
if ( !headers_sent() && isset( $wp_cache_gzip_first ) && 1 == $wp_cache_gzip_first && $wp_cache_gzip_encoding && $gzdata) { |
|
|
491 |
if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( "Writing gzip content headers. Sending buffer to browser", 5 ); |
|
|
492 |
header( 'Content-Encoding: ' . $wp_cache_gzip_encoding ); |
|
|
493 |
header( 'Vary: Accept-Encoding, Cookie' ); |
|
|
494 |
header( 'Content-Length: ' . $gzsize ); |
|
|
495 |
return $gzdata; |
|
|
496 |
} else { |
|
|
497 |
if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( "Sending buffer to browser", 5 ); |
|
|
498 |
return $buffer; |
|
|
499 |
} |
|
|
500 |
} |
|
|
501 |
|
|
|
502 |
function wp_cache_phase2_clean_cache($file_prefix) { |
|
|
503 |
global $cache_path, $blog_cache_dir; |
|
|
504 |
|
|
|
505 |
if( !wp_cache_writers_entry() ) |
|
|
506 |
return false; |
|
|
507 |
if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( "Cleaning cache in $blog_cache_dir", 3 ); |
|
|
508 |
if ( ( $handle = @opendir( $blog_cache_dir ) ) ) { |
|
|
509 |
while ( false !== ($file = @readdir($handle))) { |
|
|
510 |
if ( preg_match("/^$file_prefix/", $file) ) |
|
|
511 |
@unlink( $blog_cache_dir . $file ); |
|
|
512 |
} |
|
|
513 |
closedir($handle); |
|
|
514 |
} |
|
|
515 |
wp_cache_writers_exit(); |
|
|
516 |
} |
|
|
517 |
|
|
|
518 |
function prune_super_cache( $directory, $force = false, $rename = false ) { |
|
|
519 |
global $cache_max_time, $cache_path, $super_cache_enabled, $cache_rebuild_files, $blog_cache_dir; |
|
|
520 |
|
|
|
521 |
if( !is_admin() && $super_cache_enabled == 0 ) |
|
|
522 |
return false; |
|
|
523 |
|
|
|
524 |
if( !isset( $cache_max_time ) ) |
|
|
525 |
$cache_max_time = 3600; |
|
|
526 |
|
|
|
527 |
$now = time(); |
|
|
528 |
|
|
|
529 |
$protected_directories = array( $cache_path . '.htaccess', $cache_path . $blog_cache_dir . 'meta', $cache_path . 'supercache' ); |
|
|
530 |
|
|
|
531 |
$oktodelete = false; |
|
|
532 |
if (is_dir($directory)) { |
|
|
533 |
if( $dh = @opendir( $directory ) ) { |
|
|
534 |
$directory = trailingslashit( $directory ); |
|
|
535 |
while( ( $entry = @readdir( $dh ) ) !== false ) { |
|
|
536 |
if ($entry == '.' || $entry == '..') |
|
|
537 |
continue; |
|
|
538 |
$entry = $directory . $entry; |
|
|
539 |
prune_super_cache( $entry, $force, $rename ); |
|
|
540 |
// If entry is a directory, AND it's not a protected one, AND we're either forcing the delete, OR the file is out of date, |
|
|
541 |
if( is_dir( $entry ) && !in_array( $entry, $protected_directories ) && ( $force || @filemtime( $entry ) + $cache_max_time <= $now ) ) { |
|
|
542 |
// if the directory isn't empty can't delete it |
|
|
543 |
if( $handle = @opendir( $entry ) ) { |
|
|
544 |
$donotdelete = false; |
|
|
545 |
while( !$donotdelete && ( $file = @readdir( $handle ) ) !== false ) { |
|
|
546 |
if ($file == '.' || $file == '..') |
|
|
547 |
continue; |
|
|
548 |
$donotdelete = true; |
|
|
549 |
} |
|
|
550 |
closedir($handle); |
|
|
551 |
} |
|
|
552 |
if( $donotdelete ) |
|
|
553 |
continue; |
|
|
554 |
if( !$rename ) { |
|
|
555 |
@rmdir( $entry ); |
|
|
556 |
if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( "gc: deleted $entry", 2 ); |
|
|
557 |
} |
|
|
558 |
} |
|
|
559 |
} |
|
|
560 |
closedir($dh); |
|
|
561 |
} |
|
|
562 |
} elseif( is_file($directory) && ($force || @filemtime( $directory ) + $cache_max_time <= $now ) ) { |
|
|
563 |
$oktodelete = true; |
|
|
564 |
if( in_array( $directory, $protected_directories ) ) |
|
|
565 |
$oktodelete = false; |
|
|
566 |
if( $oktodelete && !$rename ) { |
|
|
567 |
@unlink( $directory ); |
|
|
568 |
} elseif( $oktodelete && $rename ) { |
|
|
569 |
wp_cache_rebuild_or_delete( $directory ); |
|
|
570 |
} |
|
|
571 |
} |
|
|
572 |
} |
|
|
573 |
|
|
|
574 |
function wp_cache_rebuild_or_delete( $file ) { |
|
|
575 |
global $cache_rebuild_files; |
|
|
576 |
if( strpos( $file, '?' ) !== false ) |
|
|
577 |
$file = substr( $file, 0, strpos( $file, '?' ) ); |
|
|
578 |
if( $cache_rebuild_files && substr( $file, -14 ) != '.needs-rebuild' ) { |
|
|
579 |
if( @rename($file, $file . '.needs-rebuild') ) { |
|
|
580 |
@touch( $file . '.needs-rebuild' ); |
|
|
581 |
if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( "rebuild_or_gc: rename to {$file}.needs-rebuild", 2 ); |
|
|
582 |
} else { |
|
|
583 |
@unlink( $file ); |
|
|
584 |
if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( "rebuild_or_gc: deleted $file", 2 ); |
|
|
585 |
} |
|
|
586 |
} else { |
|
|
587 |
@unlink( $file ); |
|
|
588 |
if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( "rebuild_or_gc: deleted $file", 2 ); |
|
|
589 |
} |
|
|
590 |
} |
|
|
591 |
|
|
|
592 |
function wp_cache_phase2_clean_expired($file_prefix) { |
|
|
593 |
global $cache_path, $cache_max_time, $blog_cache_dir; |
|
|
594 |
|
|
|
595 |
clearstatcache(); |
|
|
596 |
if( !wp_cache_writers_entry() ) |
|
|
597 |
return false; |
|
|
598 |
$now = time(); |
|
|
599 |
if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( "Cleaning expired cache files in $blog_cache_dir", 2 ); |
|
|
600 |
if ( ( $handle = @opendir( $blog_cache_dir ) ) ) { |
|
|
601 |
while ( false !== ($file = readdir($handle))) { |
|
|
602 |
if ( preg_match("/^$file_prefix/", $file) && |
|
|
603 |
(@filemtime( $blog_cache_dir . $file) + $cache_max_time) <= $now ) { |
|
|
604 |
@unlink( $blog_cache_dir . $file ); |
|
|
605 |
@unlink( $blog_cache_dir . 'meta/' . str_replace( '.html', '.meta', $file ) ); |
|
|
606 |
if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( "Deleting $blog_cache_dir{$file} (plus meta)", 5 ); |
|
|
607 |
continue; |
|
|
608 |
} |
|
|
609 |
if($file != '.' && $file != '..') { |
|
|
610 |
if( is_dir( $blog_cache_dir . $file ) == false && (@filemtime($blog_cache_dir . $file) + $cache_max_time) <= $now ) { |
|
|
611 |
if( substr( $file, -9 ) != '.htaccess' ) { |
|
|
612 |
@unlink($blog_cache_dir . $file); |
|
|
613 |
if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( "Deleting $blog_cache_dir{$file}", 5 ); |
|
|
614 |
} |
|
|
615 |
} |
|
|
616 |
} |
|
|
617 |
} |
|
|
618 |
closedir($handle); |
|
|
619 |
if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( "Doing GC on supercache dir: {$cache_path}supercache", 2 ); |
|
|
620 |
prune_super_cache( $cache_path . 'supercache' ); |
|
|
621 |
} |
|
|
622 |
|
|
|
623 |
wp_cache_writers_exit(); |
|
|
624 |
return true; |
|
|
625 |
} |
|
|
626 |
|
|
|
627 |
function wp_cache_shutdown_callback() { |
|
|
628 |
global $cache_path, $cache_max_time, $file_expired, $file_prefix, $meta_file, $new_cache, $wp_cache_meta, $known_headers, $blog_id, $wp_cache_gzip_encoding, $gzsize, $cache_filename, $supercacheonly, $blog_cache_dir; |
|
|
629 |
global $wp_cache_blog_charset, $wp_cache_request_uri, $wp_cache_key; |
|
|
630 |
|
|
|
631 |
$wp_cache_meta[ 'uri' ] = $_SERVER["SERVER_NAME"].preg_replace('/[ <>\'\"\r\n\t\(\)]/', '', $wp_cache_request_uri); // To avoid XSS attacks |
|
|
632 |
$wp_cache_meta[ 'blog_id' ] = $blog_id; |
|
|
633 |
$wp_cache_meta[ 'post' ] = wp_cache_post_id(); |
|
|
634 |
$wp_cache_meta[ 'key' ] = $wp_cache_key; |
|
|
635 |
$wp_cache_meta = apply_filters( 'wp_cache_meta', $wp_cache_meta ); |
|
|
636 |
|
|
|
637 |
$response = wp_cache_get_response_headers(); |
|
|
638 |
foreach ($known_headers as $key) { |
|
|
639 |
if(isset($response[$key])) { |
|
|
640 |
$wp_cache_meta[ 'headers' ][ $key ] = "$key: " . $response[$key]; |
|
|
641 |
} |
|
|
642 |
} |
|
|
643 |
if (!isset( $response['Last-Modified'] )) { |
|
|
644 |
$value = gmdate('D, d M Y H:i:s') . ' GMT'; |
|
|
645 |
/* Dont send this the first time */ |
|
|
646 |
/* @header('Last-Modified: ' . $value); */ |
|
|
647 |
$wp_cache_meta[ 'headers' ][ 'Last-Modified' ] = "Last-Modified: $value"; |
|
|
648 |
} |
|
|
649 |
if (!$response['Content-Type'] && !$response['Content-type']) { |
|
|
650 |
// On some systems, headers set by PHP can't be fetched from |
|
|
651 |
// the output buffer. This is a last ditch effort to set the |
|
|
652 |
// correct Content-Type header for feeds, if we didn't see |
|
|
653 |
// it in the response headers already. -- dougal |
|
|
654 |
if (is_feed()) { |
|
|
655 |
$type = get_query_var('feed'); |
|
|
656 |
$type = str_replace('/','',$type); |
|
|
657 |
switch ($type) { |
|
|
658 |
case 'atom': |
|
|
659 |
$value = "application/atom+xml"; |
|
|
660 |
break; |
|
|
661 |
case 'rdf': |
|
|
662 |
$value = "application/rdf+xml"; |
|
|
663 |
break; |
|
|
664 |
case 'rss': |
|
|
665 |
case 'rss2': |
|
|
666 |
default: |
|
|
667 |
$value = "application/rss+xml"; |
|
|
668 |
} |
|
|
669 |
} else { // not a feed |
|
|
670 |
$value = get_option( 'html_type' ); |
|
|
671 |
if( $value == '' ) |
|
|
672 |
$value = 'text/html'; |
|
|
673 |
} |
|
|
674 |
$value .= "; charset=\"" . $wp_cache_blog_charset . "\""; |
|
|
675 |
|
|
|
676 |
if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( "Sending 'Content-Type: $value' header.", 2 ); |
|
|
677 |
@header("Content-Type: $value"); |
|
|
678 |
$wp_cache_meta[ 'headers' ][ 'Content-Type' ] = "Content-Type: $value"; |
|
|
679 |
} |
|
|
680 |
|
|
|
681 |
if ( ! $supercacheonly && $new_cache ) { |
|
|
682 |
if( $wp_cache_gzip_encoding && !in_array( 'Content-Encoding: ' . $wp_cache_gzip_encoding, $wp_cache_meta[ 'headers' ] ) ) { |
|
|
683 |
if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( "Sending gzip headers.", 2 ); |
|
|
684 |
$wp_cache_meta[ 'headers' ][ 'Content-Encoding' ] = 'Content-Encoding: ' . $wp_cache_gzip_encoding; |
|
|
685 |
$wp_cache_meta[ 'headers' ][ 'Vary' ] = 'Vary: Accept-Encoding, Cookie'; |
|
|
686 |
} |
|
|
687 |
|
|
|
688 |
$serial = serialize($wp_cache_meta); |
|
|
689 |
if( wp_cache_writers_entry() ) { |
|
|
690 |
if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( "Writing meta file: {$blog_cache_dir}meta/{$meta_file}", 2 ); |
|
|
691 |
$tmp_meta_filename = $blog_cache_dir . 'meta/' . uniqid( mt_rand(), true ) . '.tmp'; |
|
|
692 |
$fr = @fopen( $tmp_meta_filename, 'w'); |
|
|
693 |
if( !$fr ) |
|
|
694 |
@mkdir( $blog_cache_dir . 'meta' ); |
|
|
695 |
$fr = fopen( $tmp_meta_filename, 'w'); |
|
|
696 |
fputs($fr, $serial); |
|
|
697 |
fclose($fr); |
|
|
698 |
@chmod( $tmp_meta_filename, 0666 & ~umask()); |
|
|
699 |
if( !@rename( $tmp_meta_filename, $blog_cache_dir . 'meta/' . $meta_file ) ) { |
|
|
700 |
unlink( $blog_cache_dir . 'meta/' . $meta_file ); |
|
|
701 |
rename( $tmp_meta_filename, $blog_cache_dir . 'meta/' . $meta_file ); |
|
|
702 |
} |
|
|
703 |
wp_cache_writers_exit(); |
|
|
704 |
} |
|
|
705 |
} |
|
|
706 |
global $time_to_gc_cache; |
|
|
707 |
if( isset( $time_to_gc_cache ) && $time_to_gc_cache == 1 ) { |
|
|
708 |
if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( "Executing wp_cache_gc action.", 3 ); |
|
|
709 |
do_action( 'wp_cache_gc' ); |
|
|
710 |
} |
|
|
711 |
} |
|
|
712 |
|
|
|
713 |
function wp_cache_no_postid($id) { |
|
|
714 |
return wp_cache_post_change(wp_cache_post_id()); |
|
|
715 |
} |
|
|
716 |
|
|
|
717 |
function wp_cache_get_postid_from_comment( $comment_id, $status = 'NA' ) { |
|
|
718 |
global $super_cache_enabled, $wp_cache_request_uri; |
|
|
719 |
$comment = get_comment($comment_id, ARRAY_A); |
|
|
720 |
if ( $status != 'NA' ) { |
|
|
721 |
$comment[ 'old_comment_approved' ] = $comment[ 'comment_approved' ]; |
|
|
722 |
$comment[ 'comment_approved' ] = $status; |
|
|
723 |
} |
|
|
724 |
$postid = $comment['comment_post_ID']; |
|
|
725 |
// Do nothing if comment is not moderated |
|
|
726 |
// http://ocaoimh.ie/2006/12/05/caching-wordpress-with-wp-cache-in-a-spam-filled-world |
|
|
727 |
if ( !preg_match('/wp-admin\//', $wp_cache_request_uri) ) { |
|
|
728 |
if ( $comment['comment_approved'] == 'delete' && ( isset( $comment[ 'old_comment_approved' ] ) && $comment[ 'old_comment_approved' ] == 0 ) ) { // do nothing if moderated comments are deleted |
|
|
729 |
if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( "Moderated comment deleted. Don't delete any cache files.", 4 ); |
|
|
730 |
return $postid; |
|
|
731 |
} elseif ( $comment['comment_approved'] == 'spam' ) { |
|
|
732 |
if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( "Spam comment. Don't delete any cache files.", 4 ); |
|
|
733 |
return $postid; |
|
|
734 |
} elseif( $comment['comment_approved'] == '0' ) { |
|
|
735 |
if ( $comment[ 'content_type' ] == '' ) { |
|
|
736 |
if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( "Moderated comment. Don't delete supercache file until comment approved.", 4 ); |
|
|
737 |
$super_cache_enabled = 0; // don't remove the super cache static file until comment is approved |
|
|
738 |
} else { |
|
|
739 |
if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( "Moderated ping or trackback. Not deleting cache files..", 4 ); |
|
|
740 |
return $postid; |
|
|
741 |
} |
|
|
742 |
} |
|
|
743 |
} |
|
|
744 |
// We must check it up again due to WP bugs calling two different actions |
|
|
745 |
// for delete, for example both wp_set_comment_status and delete_comment |
|
|
746 |
// are called when deleting a comment |
|
|
747 |
if ($postid > 0) { |
|
|
748 |
if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( "Post $postid changed. Update cache.", 4 ); |
|
|
749 |
return wp_cache_post_change($postid); |
|
|
750 |
} else { |
|
|
751 |
if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( "Unknown post changed. Update cache.", 4 ); |
|
|
752 |
return wp_cache_post_change(wp_cache_post_id()); |
|
|
753 |
} |
|
|
754 |
} |
|
|
755 |
|
|
|
756 |
/* Clear out the cache directory. */ |
|
|
757 |
function wp_cache_clear_cache() { |
|
|
758 |
global $cache_path; |
|
|
759 |
prune_super_cache( $cache_path . 'supercache/', true ); |
|
|
760 |
prune_super_cache( $cache_path, true ); |
|
|
761 |
} |
|
|
762 |
|
|
|
763 |
function wp_cache_post_edit($post_id) { |
|
|
764 |
global $wp_cache_clear_on_post_edit, $cache_path, $blog_cache_dir; |
|
|
765 |
if( $wp_cache_clear_on_post_edit ) { |
|
|
766 |
if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( "Clearing cache $blog_cache_dir and {$cache_path}supercache/ on post edit per config.", 2 ); |
|
|
767 |
prune_super_cache( $blog_cache_dir, true ); |
|
|
768 |
prune_super_cache( $cache_path . 'supercache/', true ); |
|
|
769 |
} else { |
|
|
770 |
if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( "Clearing cache for post $post_id on post edit.", 2 ); |
|
|
771 |
wp_cache_post_change( $post_id ); |
|
|
772 |
} |
|
|
773 |
} |
|
|
774 |
|
|
|
775 |
function wp_cache_post_id_gc( $siteurl, $post_id ) { |
|
|
776 |
global $cache_path; |
|
|
777 |
|
|
|
778 |
$post_id = intval( $post_id ); |
|
|
779 |
if( $post_id == 0 ) |
|
|
780 |
return; |
|
|
781 |
|
|
|
782 |
$permalink = trailingslashit( str_replace( get_option( 'home' ), '', post_permalink( $post_id ) ) ); |
|
|
783 |
$dir = $cache_path . 'supercache/' . $siteurl; |
|
|
784 |
if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( "wp_cache_post_id_gc clearing cache in $dir{$permalink}.", 4 ); |
|
|
785 |
prune_super_cache( $dir . $permalink, true, true ); |
|
|
786 |
@rmdir( $dir . $permalink ); |
|
|
787 |
if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( "wp_cache_post_id_gc clearing cache in {$dir}page/.", 4 ); |
|
|
788 |
prune_super_cache( $dir . 'page/', true ); |
|
|
789 |
} |
|
|
790 |
|
|
|
791 |
function wp_cache_post_change($post_id) { |
|
|
792 |
global $file_prefix, $cache_path, $blog_id, $super_cache_enabled, $blog_cache_dir, $blogcacheid; |
|
|
793 |
static $last_processed = -1; |
|
|
794 |
|
|
|
795 |
if ($post_id == $last_processed) return $post_id; |
|
|
796 |
$last_processed = $post_id; |
|
|
797 |
if( !wp_cache_writers_entry() ) |
|
|
798 |
return $post_id; |
|
|
799 |
|
|
|
800 |
$permalink = trailingslashit( str_replace( get_option( 'siteurl' ), '', post_permalink( $post_id ) ) ); |
|
|
801 |
if( $super_cache_enabled ) { |
|
|
802 |
$siteurl = trailingslashit( strtolower( preg_replace( '/:.*$/', '', str_replace( 'http://', '', get_option( 'home' ) ) ) ) ); |
|
|
803 |
// make sure the front page has a rebuild file |
|
|
804 |
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 ); |
|
|
805 |
prune_super_cache( $cache_path . 'supercache/' . $siteurl . 'index.html', true, true ); |
|
|
806 |
prune_super_cache( $cache_path . 'supercache/' . $siteurl . 'index.html.gz', true, true ); |
|
|
807 |
wp_cache_post_id_gc( $siteurl, $post_id ); |
|
|
808 |
if( get_option( 'show_on_front' ) == 'page' ) { |
|
|
809 |
wp_cache_post_id_gc( $siteurl, get_option( 'page_on_front' ) ); |
|
|
810 |
wp_cache_post_id_gc( $siteurl, get_option( 'page_for_posts' ) ); |
|
|
811 |
} |
|
|
812 |
} |
|
|
813 |
|
|
|
814 |
$matches = array(); |
|
|
815 |
if ( ($handle = @opendir( $blog_cache_dir . 'meta/' )) ) { |
|
|
816 |
while ( false !== ($file = readdir($handle))) { |
|
|
817 |
if ( preg_match("/^({$file_prefix}{$blogcacheid}.*)\.meta/", $file, $matches) ) { |
|
|
818 |
$meta_pathname = $blog_cache_dir . 'meta/' . $file; |
|
|
819 |
$content_pathname = $blog_cache_dir . $matches[1] . ".html"; |
|
|
820 |
$meta = unserialize(@file_get_contents($meta_pathname)); |
|
|
821 |
if( false == is_array( $meta ) ) { |
|
|
822 |
@unlink($meta_pathname); |
|
|
823 |
@unlink($content_pathname); |
|
|
824 |
continue; |
|
|
825 |
} |
|
|
826 |
if ($post_id > 0 && $meta) { |
|
|
827 |
if ($meta[ 'blog_id' ] == $blog_id && (!$meta[ 'post' ] || $meta[ 'post' ] == $post_id) ) { |
|
|
828 |
@unlink($meta_pathname); |
|
|
829 |
@unlink($content_pathname); |
|
|
830 |
@wp_cache_rebuild_or_delete($cache_path . 'supercache/' . trailingslashit( $meta[ 'uri' ] ) . 'index.html'); |
|
|
831 |
@wp_cache_rebuild_or_delete($cache_path . 'supercache/' . trailingslashit( $meta[ 'uri' ] ) . 'index.html.gz'); |
|
|
832 |
} |
|
|
833 |
} elseif ($meta[ 'blog_id' ] == $blog_id) { |
|
|
834 |
@unlink($meta_pathname); |
|
|
835 |
@unlink($content_pathname); |
|
|
836 |
@wp_cache_rebuild_or_delete($cache_path . 'supercache/' . trailingslashit( $meta[ 'uri' ] ) . 'index.html'); |
|
|
837 |
@wp_cache_rebuild_or_delete($cache_path . 'supercache/' . trailingslashit( $meta[ 'uri' ] ) . 'index.html.gz'); |
|
|
838 |
} |
|
|
839 |
|
|
|
840 |
} |
|
|
841 |
} |
|
|
842 |
closedir($handle); |
|
|
843 |
} |
|
|
844 |
wp_cache_writers_exit(); |
|
|
845 |
return $post_id; |
|
|
846 |
} |
|
|
847 |
|
|
|
848 |
function wp_cache_microtime_diff($a, $b) { |
|
|
849 |
list($a_dec, $a_sec) = explode(' ', $a); |
|
|
850 |
list($b_dec, $b_sec) = explode(' ', $b); |
|
|
851 |
return $b_sec - $a_sec + $b_dec - $a_dec; |
|
|
852 |
} |
|
|
853 |
|
|
|
854 |
function wp_cache_post_id() { |
|
|
855 |
global $posts, $comment_post_ID, $post_ID; |
|
|
856 |
// We try hard all options. More frequent first. |
|
|
857 |
if ($post_ID > 0 ) return $post_ID; |
|
|
858 |
if ($comment_post_ID > 0 ) return $comment_post_ID; |
|
|
859 |
if (is_single() || is_page()) return $posts[0]->ID; |
|
|
860 |
if (isset( $_GET[ 'p' ] ) && $_GET['p'] > 0) return $_GET['p']; |
|
|
861 |
if (isset( $_POST[ 'p' ] ) && $_POST['p'] > 0) return $_POST['p']; |
|
|
862 |
return 0; |
|
|
863 |
} |
|
|
864 |
|
|
|
865 |
function wp_cache_gc_cron() { |
|
|
866 |
global $file_prefix, $cache_max_time; |
|
|
867 |
if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( 'Cache garbage collection.', 5 ); |
|
|
868 |
|
|
|
869 |
if( !isset( $cache_max_time ) ) |
|
|
870 |
$cache_max_time = 600; |
|
|
871 |
|
|
|
872 |
$start = time(); |
|
|
873 |
if( !wp_cache_phase2_clean_expired($file_prefix ) ) { |
|
|
874 |
if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( 'Cache Expiry cron job failed. Probably mutex locked.', 1 ); |
|
|
875 |
update_option( 'wpsupercache_gc_time', time() - ( $cache_max_time - 10 ) ); // if GC failed then run it again in one minute |
|
|
876 |
} |
|
|
877 |
if( time() - $start > 30 ) |
|
|
878 |
if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( "Cache Expiry cron job took more than 30 seconds to execute.\nYou should reduce the Expiry Time in the WP Super Cache admin page\nas you probably have more cache files than your server can handle efficiently.", 1 ); |
|
|
879 |
} |
|
|
880 |
|
|
|
881 |
?> |