1024 ) { $fsize = number_format( $fsize / 1024, 2 ) . "MB"; } elseif ( $fsize != 0 ) { $fsize = number_format( $fsize, 2 ) . "KB"; } else { $fsize = "0KB"; } return $fsize; } function wp_cache_regenerate_cache_file_stats() { global $cache_compression, $supercachedir, $file_prefix, $wp_cache_preload_on, $cache_max_time; if ( $supercachedir == '' ) $supercachedir = get_supercache_dir(); $sizes = wpsc_generate_sizes_array(); $now = time(); if (is_dir( $supercachedir ) ) { if ( $dh = opendir( $supercachedir ) ) { while ( ( $entry = readdir( $dh ) ) !== false ) { if ( $entry != '.' && $entry != '..' ) { $sizes = wpsc_dirsize( trailingslashit( $supercachedir ) . $entry, $sizes ); } } closedir( $dh ); } } foreach( $sizes as $cache_type => $list ) { foreach( array( 'cached_list', 'expired_list' ) as $status ) { $cached_list = array(); foreach( $list[ $status ] as $dir => $details ) { if ( $details[ 'files' ] == 2 && !isset( $details[ 'upper_age' ] ) ) { $details[ 'files' ] = 1; } $cached_list[ $dir ] = $details; } $sizes[ $cache_type ][ $status ] = $cached_list; } } if ( $cache_compression ) { $sizes[ 'supercache' ][ 'cached' ] = intval( $sizes[ 'supercache' ][ 'cached' ] / 2 ); $sizes[ 'supercache' ][ 'expired' ] = intval( $sizes[ 'supercache' ][ 'expired' ] / 2 ); } $cache_stats = array( 'generated' => time(), 'supercache' => $sizes[ 'supercache' ], 'wpcache' => $sizes[ 'wpcache' ] ); update_option( 'supercache_stats', $cache_stats ); return $cache_stats; } function wp_cache_files() { global $cache_path, $file_prefix, $cache_max_time, $valid_nonce, $supercachedir, $super_cache_enabled, $blog_cache_dir, $cache_compression; global $wp_cache_preload_on; if ( '/' != substr($cache_path, -1)) { $cache_path .= '/'; } if ( $valid_nonce ) { if(isset($_REQUEST['wp_delete_cache'])) { wp_cache_clean_cache($file_prefix); $_GET[ 'action' ] = 'regenerate_cache_stats'; } if ( isset( $_REQUEST[ 'wp_delete_all_cache' ] ) ) { wp_cache_clean_cache( $file_prefix, true ); $_GET[ 'action' ] = 'regenerate_cache_stats'; } if(isset($_REQUEST['wp_delete_expired'])) { wp_cache_clean_expired($file_prefix); $_GET[ 'action' ] = 'regenerate_cache_stats'; } } echo ""; echo '
'; echo '

' . __( 'Cache Contents', 'wp-super-cache' ) . '

'; $cache_stats = get_option( 'supercache_stats' ); if ( !is_array( $cache_stats ) || ( isset( $_GET[ 'listfiles' ] ) ) || ( $valid_nonce && array_key_exists('action', $_GET) && $_GET[ 'action' ] == 'regenerate_cache_stats' ) ) { $count = 0; $expired = 0; $now = time(); $wp_cache_fsize = 0; if ( ( $handle = @opendir( $blog_cache_dir ) ) ) { if ( $valid_nonce && isset( $_GET[ 'action' ] ) && $_GET[ 'action' ] == 'deletewpcache' ) { $deleteuri = wpsc_deep_replace( array( '..', '\\', 'index.php' ), preg_replace( '/[ <>\'\"\r\n\t\(\)]/', '', base64_decode( $_GET[ 'uri' ] ) ) ); } else { $deleteuri = ''; } if ( $valid_nonce && isset( $_GET[ 'action' ] ) && $_GET[ 'action' ] == 'deletesupercache' ) { $supercacheuri = wpsc_deep_replace( array( '..', '\\', 'index.php' ), preg_replace( '/[ <>\'\"\r\n\t\(\)]/', '', preg_replace("/(\?.*)?$/", '', base64_decode( $_GET[ 'uri' ] ) ) ) ); $supercacheuri = trailingslashit( realpath( $cache_path . 'supercache/' . $supercacheuri ) ); if ( wp_cache_confirm_delete( $supercacheuri ) ) { printf( __( "Deleting supercache file: %s
", 'wp-super-cache' ), $supercacheuri ); wpsc_delete_files( $supercacheuri ); prune_super_cache( $supercacheuri . 'page', true ); @rmdir( $supercacheuri ); } else { wp_die( __( 'Warning! You are not allowed to delete that file', 'wp-super-cache' ) ); } } while( false !== ( $file = readdir( $handle ) ) ) { if ( // phpcs:ignore Generic.WhiteSpace.ScopeIndent.IncorrectExact str_contains( $file, $file_prefix ) && substr( $file, -4 ) == '.php' // phpcs:ignore Universal.Operators.StrictComparisons.LooseEqual ) { // phpcs:ignore Generic.WhiteSpace.ScopeIndent.Incorrect if ( false == file_exists( $blog_cache_dir . 'meta/' . $file ) ) { @unlink( $blog_cache_dir . $file ); continue; // meta does not exist } $mtime = filemtime( $blog_cache_dir . 'meta/' . $file ); $fsize = @filesize( $blog_cache_dir . $file ); if ( $fsize > 0 ) $fsize = $fsize - 15; // die() command takes 15 bytes at the start of the file $age = $now - $mtime; if ( $valid_nonce && isset( $_GET[ 'listfiles' ] ) ) { $meta = json_decode( wp_cache_get_legacy_cache( $blog_cache_dir . 'meta/' . $file ), true ); if ( $deleteuri != '' && $meta[ 'uri' ] == $deleteuri ) { printf( __( "Deleting wp-cache file: %s
", 'wp-super-cache' ), esc_html( $deleteuri ) ); @unlink( $blog_cache_dir . 'meta/' . $file ); @unlink( $blog_cache_dir . $file ); continue; } $meta[ 'age' ] = $age; foreach( $meta as $key => $val ) $meta[ $key ] = esc_html( $val ); if ( $cache_max_time > 0 && $age > $cache_max_time ) { $expired_list[ $age ][] = $meta; } else { $cached_list[ $age ][] = $meta; } } if ( $cache_max_time > 0 && $age > $cache_max_time ) { ++$expired; } else { ++$count; } $wp_cache_fsize += $fsize; } } closedir($handle); } if( $wp_cache_fsize != 0 ) { $wp_cache_fsize = $wp_cache_fsize/1024; } else { $wp_cache_fsize = 0; } if( $wp_cache_fsize > 1024 ) { $wp_cache_fsize = number_format( $wp_cache_fsize / 1024, 2 ) . "MB"; } elseif( $wp_cache_fsize != 0 ) { $wp_cache_fsize = number_format( $wp_cache_fsize, 2 ) . "KB"; } else { $wp_cache_fsize = '0KB'; } $cache_stats = wp_cache_regenerate_cache_file_stats(); } else { echo "

" . __( 'Cache stats are not automatically generated. You must click the link below to regenerate the stats on this page.', 'wp-super-cache' ) . "

"; echo " 'wpsupercache', 'tab' => 'contents', 'action' => 'regenerate_cache_stats' ) ), 'wp-cache' ) . "'>" . __( 'Regenerate cache stats', 'wp-super-cache' ) . ""; if ( ! empty( $cache_stats['generated'] ) ) { echo "

" . sprintf( __( 'Cache stats last generated: %s minutes ago.', 'wp-super-cache' ), number_format( ( time() - $cache_stats[ 'generated' ] ) / 60 ) ) . "

"; } $cache_stats = get_option( 'supercache_stats' ); }// regerate stats cache if ( is_array( $cache_stats ) ) { $fsize = wp_cache_format_fsize( $cache_stats[ 'wpcache' ][ 'fsize' ] / 1024 ); echo "

" . __( 'WP-Cache', 'wp-super-cache' ) . " ({$fsize})

"; echo ""; if ( array_key_exists('fsize', (array)$cache_stats[ 'supercache' ]) ) $fsize = $cache_stats[ 'supercache' ][ 'fsize' ] / 1024; else $fsize = 0; $fsize = wp_cache_format_fsize( $fsize ); echo "

" . __( 'WP-Super-Cache', 'wp-super-cache' ) . " ({$fsize})

"; echo ""; if ( $valid_nonce && array_key_exists('listfiles', $_GET) && isset( $_GET[ 'listfiles' ] ) ) { echo "
"; $cache_description = array( 'supercache' => __( 'WP-Super-Cached', 'wp-super-cache' ), 'wpcache' => __( 'WP-Cached', 'wp-super-cache' ) ); foreach( $cache_stats as $type => $details ) { if ( is_array( $details ) == false ) continue; foreach( array( 'cached_list' => 'Fresh', 'expired_list' => 'Stale' ) as $list => $description ) { if ( is_array( $details[ $list ] ) & !empty( $details[ $list ] ) ) { echo "
" . sprintf( __( '%s %s Files', 'wp-super-cache' ), $description, $cache_description[ $type ] ) . "
"; echo ""; $c = 1; $flip = 1; ksort( $details[ $list ] ); foreach( $details[ $list ] as $directory => $d ) { if ( isset( $d[ 'upper_age' ] ) ) { $age = "{$d[ 'lower_age' ]} - {$d[ 'upper_age' ]}"; } else { $age = $d[ 'lower_age' ]; } $bg = $flip ? 'style="background: #EAEAEA;"' : ''; echo "\n"; $flip = !$flip; ++$c; } echo "
#" . __( 'URI', 'wp-super-cache' ) . "" . __( 'Files', 'wp-super-cache' ) . "" . __( 'Age', 'wp-super-cache' ) . "" . __( 'Delete', 'wp-super-cache' ) . "
$c {$directory}{$d[ 'files' ]}{$age} 'wpsupercache', 'action' => 'deletesupercache', 'uri' => base64_encode( $directory ) ) ), 'wp-cache' ) . "#listfiles'>X
"; } } } echo "
"; echo "

" . __( 'Hide file list', 'wp-super-cache' ) . "

"; } elseif ( $cache_stats[ 'supercache' ][ 'cached' ] > 500 || $cache_stats[ 'supercache' ][ 'expired' ] > 500 || $cache_stats[ 'wpcache' ][ 'cached' ] > 500 || $cache_stats[ 'wpcache' ][ 'expired' ] > 500 ) { echo "

" . __( 'Too many cached files, no listing possible.', 'wp-super-cache' ) . "

"; } else { echo "

'wpsupercache', 'listfiles' => '1' ) ), 'wp-cache' ) . "#listfiles'>" . __( 'List all cached files', 'wp-super-cache' ) . "

"; } if ( $cache_max_time > 0 ) echo "

" . sprintf( __( 'Expired files are files older than %s seconds. They are still used by the plugin and are deleted periodically.', 'wp-super-cache' ), $cache_max_time ) . "

"; if ( $wp_cache_preload_on ) echo "

" . __( 'Preload mode is enabled. Supercache files will never be expired.', 'wp-super-cache' ) . "

"; } // cache_stats wp_cache_delete_buttons(); echo '
'; echo '
'; } function wp_cache_delete_buttons() { $admin_url = admin_url( 'options-general.php?page=wpsupercache' ); echo '
'; echo ''; echo '
'; wp_nonce_field('wp-cache'); echo "
\n"; echo '
'; echo ''; echo '
'; wp_nonce_field('wp-cache'); echo "
\n"; if ( is_multisite() && wpsupercache_site_admin() ) { echo '
'; echo ''; echo '
'; wp_nonce_field('wp-cache'); echo "
\n"; } } function delete_cache_dashboard() { if ( function_exists( '_deprecated_function' ) ) { _deprecated_function( __FUNCTION__, 'WP Super Cache 1.6.4' ); } if ( false == wpsupercache_site_admin() ) return false; if ( function_exists('current_user_can') && !current_user_can('manage_options') ) return false; echo "
  • " . __( 'Delete Cache', 'wp-super-cache' ) . "
    • "; } //add_action( 'dashmenu', 'delete_cache_dashboard' ); function wpsc_dirsize($directory, $sizes) { global $cache_max_time, $cache_path, $valid_nonce, $wp_cache_preload_on, $file_prefix; $now = time(); if (is_dir($directory)) { if( $dh = opendir( $directory ) ) { while( ( $entry = readdir( $dh ) ) !== false ) { if ($entry != '.' && $entry != '..') { $sizes = wpsc_dirsize( trailingslashit( $directory ) . $entry, $sizes ); } } closedir($dh); } } elseif ( is_file( $directory ) && strpos( $directory, 'meta-' . $file_prefix ) === false ) { if ( strpos( $directory, '/' . $file_prefix ) !== false ) { $cache_type = 'wpcache'; } else { $cache_type = 'supercache'; } $keep_fresh = false; if ( $cache_type === 'supercache' && $wp_cache_preload_on ) { $keep_fresh = true; } $filem = filemtime( $directory ); if ( ! $keep_fresh && $cache_max_time > 0 && $filem + $cache_max_time <= $now ) { $cache_status = 'expired'; } else { $cache_status = 'cached'; } $sizes[ $cache_type ][ $cache_status ] += 1; // phpcs:ignore WordPress.Security.NonceVerification.Recommended -- Presumably the caller should handle it if necessary. if ( $valid_nonce && isset( $_GET['listfiles'] ) ) { $dir = str_replace( $cache_path . 'supercache/', '', dirname( $directory ) ); $age = $now - $filem; if ( ! isset( $sizes[ $cache_type ][ $cache_status . '_list' ][ $dir ] ) ) { $sizes[ $cache_type ][ $cache_status . '_list' ][ $dir ]['lower_age'] = $age; $sizes[ $cache_type ][ $cache_status . '_list' ][ $dir ]['files'] = 1; } else { $sizes[ $cache_type ][ $cache_status . '_list' ][ $dir ]['files'] += 1; if ( $age <= $sizes[ $cache_type ][ $cache_status . '_list' ][ $dir ]['lower_age'] ) { if ( $age < $sizes[ $cache_type ][ $cache_status . '_list' ][ $dir ]['lower_age'] && ! isset( $sizes[ $cache_type ][ $cache_status . '_list' ][ $dir ]['upper_age'] ) ) { $sizes[ $cache_type ][ $cache_status . '_list' ][ $dir ]['upper_age'] = $sizes[ $cache_type ][ $cache_status . '_list' ][ $dir ]['lower_age']; } $sizes[ $cache_type ][ $cache_status . '_list' ][ $dir ]['lower_age'] = $age; } elseif ( ! isset( $sizes[ $cache_type ][ $cache_status . '_list' ][ $dir ]['upper_age'] ) || $age > $sizes[ $cache_type ][ $cache_status . '_list' ][ $dir ]['upper_age'] ) { $sizes[ $cache_type ][ $cache_status . '_list' ][ $dir ]['upper_age'] = $age; } } } if ( ! isset( $sizes['fsize'] ) ) { // phpcs:ignore WordPress.PHP.NoSilencedErrors.Discouraged $sizes[ $cache_type ]['fsize'] = @filesize( $directory ); } else { // phpcs:ignore WordPress.PHP.NoSilencedErrors.Discouraged $sizes[ $cache_type ]['fsize'] += @filesize( $directory ); } } return $sizes; } function wp_cache_clean_cache( $file_prefix, $all = false ) { global $cache_path, $supercachedir, $blog_cache_dir; do_action( 'wp_cache_cleared' ); if ( $all == true && wpsupercache_site_admin() && function_exists( 'prune_super_cache' ) ) { prune_super_cache( $cache_path, true ); return true; } if ( $supercachedir == '' ) $supercachedir = get_supercache_dir(); if (function_exists ('prune_super_cache')) { if( is_dir( $supercachedir ) ) { prune_super_cache( $supercachedir, true ); } elseif( is_dir( $supercachedir . '.disabled' ) ) { prune_super_cache( $supercachedir . '.disabled', true ); } $_POST[ 'super_cache_stats' ] = 1; // regenerate super cache stats; } else { wp_cache_debug( 'Warning! prune_super_cache() not found in wp-cache.php', 1 ); } wp_cache_clean_legacy_files( $blog_cache_dir, $file_prefix ); wp_cache_clean_legacy_files( $cache_path, $file_prefix ); } function wpsc_delete_post_cache( $id ) { $post = get_post( $id ); wpsc_delete_url_cache( get_author_posts_url( (int) $post->post_author ) ); $permalink = get_permalink( $id ); if ( $permalink != '' ) { wpsc_delete_url_cache( $permalink ); return true; } else { return false; } } function wp_cache_clean_legacy_files( $dir, $file_prefix ) { global $wpdb; $dir = trailingslashit( $dir ); if ( @is_dir( $dir . 'meta' ) == false ) return false; if ( $handle = @opendir( $dir ) ) { $curr_blog_id = is_multisite() ? get_current_blog_id() : false; while ( false !== ( $file = readdir( $handle ) ) ) { if ( is_file( $dir . $file ) == false || $file == 'index.html' ) { continue; } if ( str_contains( $file, $file_prefix ) ) { if ( strpos( $file, '.html' ) ) { // delete old WPCache files immediately @unlink( $dir . $file); @unlink( $dir . 'meta/' . str_replace( '.html', '.meta', $file ) ); } else { $meta = json_decode( wp_cache_get_legacy_cache( $dir . 'meta/' . $file ), true ); if ( $curr_blog_id && $curr_blog_id !== (int) $meta['blog_id'] ) { continue; } @unlink( $dir . $file); @unlink( $dir . 'meta/' . $file); } } } closedir($handle); } } function wp_cache_clean_expired($file_prefix) { global $cache_max_time, $blog_cache_dir, $wp_cache_preload_on; if ( $cache_max_time == 0 ) { return false; } // If phase2 was compiled, use its function to avoid race-conditions if(function_exists('wp_cache_phase2_clean_expired')) { if ( $wp_cache_preload_on != 1 && function_exists ('prune_super_cache')) { $dir = get_supercache_dir(); if( is_dir( $dir ) ) { prune_super_cache( $dir ); } elseif( is_dir( $dir . '.disabled' ) ) { prune_super_cache( $dir . '.disabled' ); } $_POST[ 'super_cache_stats' ] = 1; // regenerate super cache stats; } return wp_cache_phase2_clean_expired($file_prefix); } $now = time(); if ( $handle = @opendir( $blog_cache_dir ) ) { while ( false !== ( $file = readdir( $handle ) ) ) { if ( str_contains( $file, $file_prefix ) ) { if ( strpos( $file, '.html' ) ) { @unlink( $blog_cache_dir . $file); @unlink( $blog_cache_dir . 'meta/' . str_replace( '.html', '.meta', $file ) ); } elseif ( ( filemtime( $blog_cache_dir . $file ) + $cache_max_time ) <= $now ) { @unlink( $blog_cache_dir . $file ); @unlink( $blog_cache_dir . 'meta/' . $file ); } } } closedir($handle); } } // Catch 404 requests. Themes that use query_posts() destroy $wp_query->is_404 function wp_cache_catch_404() { global $wp_cache_404; if ( function_exists( '_deprecated_function' ) ) _deprecated_function( __FUNCTION__, 'WP Super Cache 1.5.6' ); $wp_cache_404 = false; if( is_404() ) $wp_cache_404 = true; } //More info - https://github.com/Automattic/wp-super-cache/pull/373 //add_action( 'template_redirect', 'wp_cache_catch_404' ); /* * clear_post_supercache() relocated here from wp-cache.php (#1061): post-level * supercache invalidation belongs with cache-file management. */ function clear_post_supercache( $post_id ) { $dir = get_current_url_supercache_dir( $post_id ); if ( false == @is_dir( $dir ) ) return false; if ( get_supercache_dir() == $dir ) { wp_cache_debug( "clear_post_supercache: not deleting post_id $post_id as it points at homepage: $dir" ); return false; } wp_cache_debug( "clear_post_supercache: post_id: $post_id. deleting files in $dir" ); if ( get_post_type( $post_id ) != 'page') { // don't delete child pages if they exist prune_super_cache( $dir, true ); } else { wpsc_delete_files( $dir ); } }