';
+ wp_nonce_field('wp-cache');
+ echo "\n";
+ }
+}
+
+function delete_cache_dashboard() {
+ 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;
+ $now = time();
+
+ if (is_dir($directory)) {
+ if( $dh = opendir( $directory ) ) {
+ while( ( $entry = readdir( $dh ) ) !== false ) {
+ if ($entry != '.' && $entry != '..') {
+ $sizes = wpsc_dirsize( trailingslashit( $directory ) . $entry, $sizes );
+ }
+ }
+ closedir($dh);
+ }
+ } else {
+ if(is_file($directory) ) {
+ $filem = filemtime( $directory );
+ if ( $wp_cache_preload_on == false && $cache_max_time > 0 && $filem + $cache_max_time <= $now ) {
+ $sizes[ 'expired' ]+=1;
+ if ( $valid_nonce && $_GET[ 'listfiles' ] )
+ $sizes[ 'expired_list' ][ $now - $filem ][ str_replace( $cache_path . 'supercache/' , '', str_replace( 'index.html', '', str_replace( 'index.html.gz', '', $directory ) ) ) ] = 1;
+ } else {
+ $sizes[ 'cached' ]+=1;
+ if ( $valid_nonce && array_key_exists('listfiles', $_GET) && $_GET[ 'listfiles' ] )
+ $sizes[ 'cached_list' ][ $now - $filem ][ str_replace( $cache_path . 'supercache/' , '', str_replace( 'index.html', '', str_replace( 'index.html.gz', '', $directory ) ) ) ] = 1;
+ }
+ if ( ! isset( $sizes[ 'fsize' ] ) )
+ $sizes[ 'fsize' ] = @filesize( $directory );
+ else
+ $sizes[ 'fsize' ] += @filesize( $directory );
+ }
+ }
+ return $sizes;
+}
+
+function wp_cache_clean_cache( $file_prefix, $all = false ) {
+ global $wpdb, $cache_path, $supercachedir, $blog_cache_dir, $wp_cache_object_cache;
+
+ if ( $wp_cache_object_cache && function_exists( "reset_oc_version" ) )
+ reset_oc_version();
+
+ if ( $all == true && wpsupercache_site_admin() && function_exists( 'prune_super_cache' ) ) {
+ prune_super_cache( $cache_path, true );
+ return true;
+ }
+
+ 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;
+ } elseif ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) 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 wp_cache_clean_legacy_files( $dir, $file_prefix ) {
+ global $wpdb;
+ if ( $handle = @opendir( $dir . 'meta/' ) ) {
+ while ( false !== ($file = readdir($handle))) {
+ if ( preg_match( "/^$file_prefix/", $file ) ) {
+ $meta = unserialize( file_get_contents( $dir . 'meta/' . $file ) );
+ if ( ( defined( 'VHOST' ) || ( defined( 'WP_ALLOW_MULTISITE' ) && constant( 'WP_ALLOW_MULTISITE' ) == true ) ) && $meta[ 'blog_id' ] != $wpdb->blogid )
+ continue;
+ @unlink( $dir . 'meta/' . $file);
+ @unlink( $dir . str_replace( '.meta', '.html', $file ) );
+ }
+ }
+ closedir($handle);
+ }
+}
+
+function wp_cache_clean_expired($file_prefix) {
+ global $cache_path, $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);
+ }
+
+ $expr = "/^$file_prefix/";
+ $now = time();
+ if ( ($handle = @opendir( $blog_cache_dir )) ) {
+ while ( false !== ($file = readdir($handle))) {
+ if ( preg_match( $expr, $file ) &&
+ ( filemtime( $blog_cache_dir . $file ) + $cache_max_time ) <= $now ) {
+ @unlink( $blog_cache_dir . $file );
+ @unlink( $blog_cache_dir . 'meta/' . str_replace( '.html', '.meta', $file ) );
+ }
+ }
+ closedir($handle);
+ }
+}
+
+function wpsc_remove_marker( $filename, $marker ) {
+ if (!file_exists( $filename ) || is_writeable_ACLSafe( $filename ) ) {
+ if (!file_exists( $filename ) ) {
+ return '';
+ } else {
+ $markerdata = explode( "\n", implode( '', file( $filename ) ) );
+ }
+
+ $f = fopen( $filename, 'w' );
+ $foundit = false;
+ if ( $markerdata ) {
+ $state = true;
+ foreach ( $markerdata as $n => $markerline ) {
+ if (strpos($markerline, '# BEGIN ' . $marker) !== false)
+ $state = false;
+ if ( $state ) {
+ if ( $n + 1 < count( $markerdata ) )
+ fwrite( $f, "{$markerline}\n" );
+ else
+ fwrite( $f, "{$markerline}" );
+ }
+ if (strpos($markerline, '# END ' . $marker) !== false) {
+ $state = true;
+ }
+ }
+ }
+ return true;
+ } else {
+ return false;
+ }
+}
+
+function wp_super_cache_footer() {
+ ?>
WP Super Cache' ); ?>
is_404
+function wp_cache_catch_404() {
+ global $wp_cache_404;
+ $wp_cache_404 = false;
+ if( is_404() )
+ $wp_cache_404 = true;
+}
+add_action( 'template_redirect', 'wp_cache_catch_404' );
+
+function wp_cache_favorite_action( $actions ) {
+ if ( false == wpsupercache_site_admin() )
+ return $actions;
+
+ if ( function_exists('current_user_can') && !current_user_can('manage_options') )
+ return $actions;
+
+ $actions[ wp_nonce_url( 'options-general.php?page=wpsupercache&wp_delete_cache=1&tab=contents', 'wp-cache' ) ] = array( __( 'Delete Cache', 'wp-super-cache' ), 'manage_options' );
+
+ return $actions;
+}
+add_filter( 'favorite_actions', 'wp_cache_favorite_action' );
+
+function wp_cache_plugin_notice( $plugin ) {
+ global $cache_enabled;
+ if( $plugin == 'wp-super-cache/wp-cache.php' && !$cache_enabled && function_exists( "admin_url" ) )
+ echo '
' . sprintf( __( 'WP Super Cache must be configured. Go to the admin page to enable and configure the plugin.' ), admin_url( 'options-general.php?page=wpsupercache' ) ) . ' ';
+}
+add_action( 'after_plugin_row', 'wp_cache_plugin_notice' );
+
+function wp_cache_plugin_actions( $links, $file ) {
+ if( $file == 'wp-super-cache/wp-cache.php' && function_exists( "admin_url" ) ) {
+ $settings_link = '
' . __('Settings') . ' ';
+ array_unshift( $links, $settings_link ); // before other links
+ }
+ return $links;
+}
+add_filter( 'plugin_action_links', 'wp_cache_plugin_actions', 10, 2 );
+
+function wp_cache_admin_notice() {
+ global $cache_enabled;
+ if( substr( $_SERVER["PHP_SELF"], -11 ) == 'plugins.php' && !$cache_enabled && function_exists( "admin_url" ) )
+ echo '
' . sprintf( __('WP Super Cache is disabled. Please go to the plugin admin page to enable caching.', 'wp-super-cache' ), admin_url( 'options-general.php?page=wpsupercache' ) ) . '
';
+
+ if ( defined( 'ADVANCEDCACHEPROBLEM' ) )
+ echo '
' . sprintf( __( 'Warning! WP Super Cache caching broken! The script advanced-cache.php could not load wp-cache-phase1.php.
';
+}
+add_action( 'admin_notices', 'wp_cache_admin_notice' );
+
+function wp_cache_check_site() {
+ global $wp_super_cache_front_page_check, $wp_super_cache_front_page_clear, $wp_super_cache_front_page_text, $wp_super_cache_front_page_notification;
+
+ if ( !isset( $wp_super_cache_front_page_check ) || ( isset( $wp_super_cache_front_page_check ) && $wp_super_cache_front_page_check == 0 ) ) {
+ return false;
+ }
+
+ if ( function_exists( "wp_remote_get" ) == false ) {
+ return false;
+ }
+ $front_page = wp_remote_get( site_url(), array('timeout' => 60, 'blocking' => true ) );
+ if( is_array( $front_page ) ) {
+ // Check for gzipped front page
+ if ( $front_page[ 'headers' ][ 'content-type' ] == 'application/x-gzip' ) {
+ if ( !isset( $wp_super_cache_front_page_clear ) || ( isset( $wp_super_cache_front_page_clear ) && $wp_super_cache_front_page_clear == 0 ) ) {
+ wp_mail( get_option( 'admin_email' ), sprintf( __( '[%s] Front page is gzipped! Please clear cache!', 'wp-super-cache' ), site_url() ), sprintf( __( "Please visit %s to clear the cache as the front page of your site is now downloading!", 'wp-super-cache' ), trailingslashit( site_url() ) . "wp-admin/options-general.php?page=wpsupercache" ) );
+ } else {
+ wp_cache_clear_cache();
+ wp_mail( get_option( 'admin_email' ), sprintf( __( '[%s] Front page is gzipped! Cache Cleared!', 'wp-super-cache' ), site_url() ), sprintf( __( "The cache on your blog has been cleared because the front page of your site is now downloading. Please visit %s to verify the cache has been cleared.", 'wp-super-cache' ), trailingslashit( site_url() ) . "wp-admin/options-general.php?page=wpsupercache" ) );
+ }
+ }
+
+ // Check for broken front page
+ if ( isset( $wp_super_cache_front_page_text ) && $wp_super_cache_front_page_text != '' && false === strpos( $front_page[ 'body' ], $wp_super_cache_front_page_text ) ) {
+ if ( !isset( $wp_super_cache_front_page_clear ) || ( isset( $wp_super_cache_front_page_clear ) && $wp_super_cache_front_page_clear == 0 ) ) {
+ wp_mail( get_option( 'admin_email' ), sprintf( __( '[%s] Front page is not correct! Please clear cache!', 'wp-super-cache' ), site_url() ), sprintf( __( 'Please visit %1$s to clear the cache as the front page of your site is not correct and missing the text, "%2$s"!', 'wp-super-cache' ), trailingslashit( site_url() ) . "wp-admin/options-general.php?page=wpsupercache", $wp_super_cache_front_page_text ) );
+ } else {
+ wp_cache_clear_cache();
+ wp_mail( get_option( 'admin_email' ), sprintf( __( '[%s] Front page is not correct! Cache Cleared!', 'wp-super-cache' ), site_url() ), sprintf( __( 'The cache on your blog has been cleared because the front page of your site is missing the text "%2$s". Please visit %1$s to verify the cache has been cleared.', 'wp-super-cache' ), trailingslashit( site_url() ) . "wp-admin/options-general.php?page=wpsupercache", $wp_super_cache_front_page_text ) );
+ }
+ }
+ }
+ if ( isset( $wp_super_cache_front_page_notification ) && $wp_super_cache_front_page_notification == 1 ) {
+ wp_mail( get_option( 'admin_email' ), sprintf( __( '[%s] Front page check!', 'wp-super-cache' ), site_url() ), sprintf( __( "WP Super Cache has checked the front page of your blog. Please visit %s if you would like to disable this.", 'wp-super-cache' ) . "\n\n", trailingslashit( site_url() ) . "wp-admin/options-general.php?page=wpsupercache#debug" ) . print_r( $front_page, 1 ) );
+ }
+
+ if ( !wp_next_scheduled( 'wp_cache_check_site_hook' ) ) {
+ wp_schedule_single_event( time() + 360 , 'wp_cache_check_site_hook' );
+ if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( 'scheduled wp_cache_check_site_hook for 360 seconds time.', 2 );
+ }
+}
+add_action( 'wp_cache_check_site_hook', 'wp_cache_check_site' );
+
+function update_cached_mobile_ua_list( $mobile_browsers, $mobile_prefixes = 0, $mobile_groups = 0 ) {
+ global $wp_cache_config_file, $wp_cache_mobile_browsers, $wp_cache_mobile_prefixes, $wp_cache_mobile_groups;
+ if ( is_array( $mobile_browsers ) ) {
+ $wp_cache_mobile_browsers = $mobile_browsers;
+ wp_cache_replace_line('^ *\$wp_cache_mobile_browsers', "\$wp_cache_mobile_browsers = '" . implode( ', ', $mobile_browsers ) . "';", $wp_cache_config_file);
+ }
+ if ( is_array( $mobile_prefixes ) ) {
+ $wp_cache_mobile_prefixes = $mobile_prefixes;
+ wp_cache_replace_line('^ *\$wp_cache_mobile_prefixes', "\$wp_cache_mobile_prefixes = '" . implode( ', ', $mobile_prefixes ) . "';", $wp_cache_config_file);
+ }
+ if ( is_array( $mobile_groups ) ) {
+ $wp_cache_mobile_groups = $mobile_groups;
+ wp_cache_replace_line('^ *\$wp_cache_mobile_groups', "\$wp_cache_mobile_groups = '" . implode( ', ', $mobile_groups ) . "';", $wp_cache_config_file);
+ }
+
+ return true;
+}
+
+function wpsc_update_htaccess() {
+ extract( wpsc_get_htaccess_info() );
+ wpsc_remove_marker( $home_path.'.htaccess', 'WordPress' ); // remove original WP rules so SuperCache rules go on top
+ if( insert_with_markers( $home_path.'.htaccess', 'WPSuperCache', explode( "\n", $rules ) ) && insert_with_markers( $home_path.'.htaccess', 'WordPress', explode( "\n", $wprules ) ) ) {
+ return true;
+ } else {
+ return false;
+ }
+}
+
+function wpsc_update_htaccess_form( $short_form = true ) {
+ global $wpmu_version;
+
+ extract( wpsc_get_htaccess_info() );
+ if( !is_writeable_ACLSafe( $home_path . ".htaccess" ) ) {
+ echo "
" . __( 'Cannot update .htaccess', 'wp-super-cache' ) . " " . sprintf( __( 'The file %s.htaccess cannot be modified by the web server. Please correct this using the chmod command or your ftp client.', 'wp-super-cache' ), $home_path ) . "
" . __( 'Refresh this page when the file permissions have been modified.' ) . "
" . sprintf( __( 'Alternatively, you can edit your %s.htaccess file manually and add the following code (before any WordPress rules):', 'wp-super-cache' ), $home_path ) . "
";
+ echo "
# BEGIN WPSuperCache\n" . esc_html( $rules ) . "# END WPSuperCache ";
+ } else {
+ if ( $short_form == false ) {
+ echo "
" . sprintf( __( 'To serve static html files your server must have the correct mod_rewrite rules added to a file called %s.htaccess', 'wp-super-cache' ), $home_path ) . " ";
+ _e( "You can edit the file yourself add the following rules.", 'wp-super-cache' );
+ echo __( " Make sure they appear before any existing WordPress rules. ", 'wp-super-cache' ) . "
";
+ echo "
# BEGIN WPSuperCache\n" . esc_html( $rules ) . "# END WPSuperCache ";
+ echo "
" . sprintf( __( 'Rules must be added to %s too:', 'wp-super-cache' ), WP_CONTENT_DIR . "/cache/.htaccess" ) . "
";
+ echo "
# BEGIN supercache\n" . esc_html( $gziprules ) . "# END supercache ";
+ }
+ if ( !isset( $wpmu_version ) || $wpmu_version == '' ) {
+ echo '
\n";
+ }
+ }
+}
+
+function wpsc_get_htaccess_info() {
+ global $wp_cache_mobile_enabled, $wp_cache_mobile_prefixes, $wp_cache_mobile_browsers, $wp_cache_disable_utf8;
+ if ( isset( $_SERVER[ "PHP_DOCUMENT_ROOT" ] ) ) {
+ $document_root = $_SERVER[ "PHP_DOCUMENT_ROOT" ];
+ $apache_root = $_SERVER[ "PHP_DOCUMENT_ROOT" ];
+ } else {
+ $document_root = $_SERVER[ "DOCUMENT_ROOT" ];
+ $apache_root = '%{DOCUMENT_ROOT}';
+ }
+ $content_dir_root = $document_root;
+ if ( strpos( $document_root, '/kunden/' ) === 0 ) {
+ // http://wordpress.org/support/topic/plugin-wp-super-cache-how-to-get-mod_rewrite-working-on-1and1-shared-hosting?replies=1
+ // On 1and1, PHP's directory structure starts with '/homepages'. The
+ // Apache directory structure has an extra '/kunden' before it.
+ // Also 1and1 does not support the %{DOCUMENT_ROOT} variable in
+ // .htaccess files.
+ // This prevents the $inst_root from being calculated correctly and
+ // means that the $apache_root is wrong.
+ //
+ // e.g. This is an example of how Apache and PHP see the directory
+ // structure on 1and1:
+ // Apache: /kunden/homepages/xx/dxxxxxxxx/htdocs/site1/index.html
+ // PHP: /homepages/xx/dxxxxxxxx/htdocs/site1/index.html
+ // Here we fix up the paths to make mode_rewrite work on 1and1 shared hosting.
+ $content_dir_root = substr( $content_dir_root, 7 );
+ $apache_root = $document_root;
+ }
+ $home_path = get_home_path();
+ $home_root = parse_url(get_bloginfo('url'));
+ $home_root = isset( $home_root['path'] ) ? trailingslashit( $home_root['path'] ) : '/';
+ $home_root_lc = str_replace( '//', '/', strtolower( $home_root ) );
+ $inst_root = str_replace( '//', '/', '/' . trailingslashit( str_replace( $content_dir_root, '', str_replace( '\\', '/', WP_CONTENT_DIR ) ) ) );
+ $wprules = implode( "\n", extract_from_markers( $home_path.'.htaccess', 'WordPress' ) );
+ $wprules = str_replace( "RewriteEngine On\n", '', $wprules );
+ $wprules = str_replace( "RewriteBase $home_root\n", '', $wprules );
+ $scrules = implode( "\n", extract_from_markers( $home_path.'.htaccess', 'WPSuperCache' ) );
+
+ if( substr( get_option( 'permalink_structure' ), -1 ) == '/' ) {
+ $condition_rules[] = "RewriteCond %{REQUEST_URI} !^.*[^/]$";
+ $condition_rules[] = "RewriteCond %{REQUEST_URI} !^.*//.*$";
+ }
+ $condition_rules[] = "RewriteCond %{REQUEST_METHOD} !POST";
+ $condition_rules[] = "RewriteCond %{QUERY_STRING} !.*=.*";
+ $condition_rules[] = "RewriteCond %{HTTP:Cookie} !^.*(comment_author_|wordpress_logged_in|wp-postpass_).*$";
+ $condition_rules[] = "RewriteCond %{HTTP:X-Wap-Profile} !^[a-z0-9\\\"]+ [NC]";
+ $condition_rules[] = "RewriteCond %{HTTP:Profile} !^[a-z0-9\\\"]+ [NC]";
+ if ( $wp_cache_mobile_enabled ) {
+ if ( false == empty( $wp_cache_mobile_browsers ) )
+ $condition_rules[] = "RewriteCond %{HTTP_USER_AGENT} !^.*(" . addcslashes( implode( '|', $wp_cache_mobile_browsers ), ' ' ) . ").* [NC]";
+ if ( false == empty( $wp_cache_mobile_prefixes ) )
+ $condition_rules[] = "RewriteCond %{HTTP_user_agent} !^(" . addcslashes( implode( '|', $wp_cache_mobile_prefixes ), ' ' ) . ").* [NC]";
+ }
+ $condition_rules = apply_filters( 'supercacherewriteconditions', $condition_rules );
+
+ $rules = "
\n";
+ $rules .= "RewriteEngine On\n";
+ $rules .= "RewriteBase $home_root\n"; // props Chris Messina
+ $rules .= "#If you serve pages from behind a proxy you may want to change 'RewriteCond %{HTTPS} on' to something more sensible\n";
+ if ( isset( $wp_cache_disable_utf8 ) == false || $wp_cache_disable_utf8 == 0 ) {
+ $charset = get_option('blog_charset') == '' ? 'UTF-8' : get_option('blog_charset');
+ $rules .= "AddDefaultCharset {$charset}\n";
+ }
+
+ $rules .= "CONDITION_RULES";
+ $rules .= "RewriteCond %{HTTP:Accept-Encoding} gzip\n";
+ $rules .= "RewriteCond %{HTTPS} on\n";
+ $rules .= "RewriteCond {$apache_root}{$inst_root}cache/supercache/%{SERVER_NAME}{$home_root_lc}$1/index-https.html.gz -f\n";
+ $rules .= "RewriteRule ^(.*) \"{$inst_root}cache/supercache/%{SERVER_NAME}{$home_root_lc}$1/index-https.html.gz\" [L]\n\n";
+
+ $rules .= "CONDITION_RULES";
+ $rules .= "RewriteCond %{HTTP:Accept-Encoding} gzip\n";
+ $rules .= "RewriteCond %{HTTPS} !on\n";
+ $rules .= "RewriteCond {$apache_root}{$inst_root}cache/supercache/%{SERVER_NAME}{$home_root_lc}$1/index.html.gz -f\n";
+ $rules .= "RewriteRule ^(.*) \"{$inst_root}cache/supercache/%{SERVER_NAME}{$home_root_lc}$1/index.html.gz\" [L]\n\n";
+
+ $rules .= "CONDITION_RULES";
+ $rules .= "RewriteCond %{HTTPS} on\n";
+ $rules .= "RewriteCond {$apache_root}{$inst_root}cache/supercache/%{SERVER_NAME}{$home_root_lc}$1/index-https.html -f\n";
+ $rules .= "RewriteRule ^(.*) \"{$inst_root}cache/supercache/%{SERVER_NAME}{$home_root_lc}$1/index-https.html\" [L]\n\n";
+
+ $rules .= "CONDITION_RULES";
+ $rules .= "RewriteCond %{HTTPS} !on\n";
+ $rules .= "RewriteCond {$apache_root}{$inst_root}cache/supercache/%{SERVER_NAME}{$home_root_lc}$1/index.html -f\n";
+ $rules .= "RewriteRule ^(.*) \"{$inst_root}cache/supercache/%{SERVER_NAME}{$home_root_lc}$1/index.html\" [L]\n";
+ $rules .= " \n";
+ $rules = apply_filters( 'supercacherewriterules', $rules );
+
+ $rules = str_replace( "CONDITION_RULES", implode( "\n", $condition_rules ) . "\n", $rules );
+
+ $gziprules = "
\n \n ForceType text/html\n FileETag None\n \n AddEncoding gzip .gz\n AddType text/html .gz\n \n";
+ $gziprules .= "
\n SetEnvIfNoCase Request_URI \.gz$ no-gzip\n \n";
+ $gziprules .= "
\n Header set Vary \"Accept-Encoding, Cookie\"\n Header set Cache-Control 'max-age=3, must-revalidate'\n \n";
+ $gziprules .= "
\n ExpiresActive On\n ExpiresByType text/html A3\n \n";
+ return array( "document_root" => $document_root, "apache_root" => $apache_root, "home_path" => $home_path, "home_root" => $home_root, "home_root_lc" => $home_root_lc, "inst_root" => $inst_root, "wprules" => $wprules, "scrules" => $scrules, "condition_rules" => $condition_rules, "rules" => $rules, "gziprules" => $gziprules );
+}
+
+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' );
+
+ if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) 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_cron_preload_cache() {
+ global $wpdb, $wp_cache_preload_interval, $wp_cache_preload_posts, $wp_cache_preload_email_me, $wp_cache_preload_email_volume, $cache_path, $wp_cache_preload_taxonomies;
+ global $WPSC_HTTP_HOST;
+
+ if ( get_option( 'preload_cache_stop' ) ) {
+ delete_option( 'preload_cache_stop' );
+ if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( "wp_cron_preload_cache: preload cancelled", 1 );
+ return true;
+ }
+ $mutex = $cache_path . "preload_mutex.tmp";
+ sleep( 3 + mt_rand( 1, 5 ) );
+ if ( @file_exists( $mutex ) ) {
+ if ( @filemtime( $mutex ) > ( time() - 600 ) ) {
+ if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( "wp_cron_preload_cache: preload mutex found and less than 600 seconds old. Aborting preload.", 1 );
+ return true;
+ } else {
+ if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( "wp_cron_preload_cache: old preload mutex found and deleted. Preload continues.", 1 );
+ @unlink( $mutex );
+ }
+ }
+ $fp = @fopen( $mutex, 'w' );
+ @fclose( $fp );
+
+ $counter = get_option( 'preload_cache_counter' );
+ if ( is_array( $counter ) == false ) {
+ if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( "wp_cron_preload_cache: setting up preload for the first time!", 5 );
+ $counter = array( 'c' => 0, 't' => time() );
+ update_option( 'preload_cache_counter', $counter );
+ }
+ $c = $counter[ 'c' ];
+
+ update_option( 'preload_cache_counter', array( 'c' => ( $c + 100 ), 't' => time() ) );
+
+ if ( $wp_cache_preload_email_me && $c == 0 )
+ wp_mail( get_option( 'admin_email' ), sprintf( __( '[%1$s] Cache Preload Started', 'wp-super-cache' ), site_url(), '' ), ' ' );
+
+ if ( $wp_cache_preload_posts == 'all' || $c < $wp_cache_preload_posts ) {
+ if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( "wp_cron_preload_cache: doing taxonomy preload.", 5 );
+ $permalink_counter_msg = $cache_path . "preload_permalink.txt";
+ if ( isset( $wp_cache_preload_taxonomies ) && $wp_cache_preload_taxonomies ) {
+ $taxonomies = apply_filters( 'wp_cache_preload_taxonomies', array( 'post_tag' => 'tag', 'category' => 'category' ) );
+ foreach( $taxonomies as $taxonomy => $path ) {
+ $taxonomy_filename = $cache_path . "taxonomy_" . $taxonomy . ".txt";
+ if ( $c == 0 )
+ @unlink( $taxonomy_filename );
+
+ if ( false == @file_exists( $taxonomy_filename ) ) {
+ $out = '';
+ $records = get_terms( $taxonomy );
+ foreach( $records as $term ) {
+ $out .= get_term_link( $term ). "\n";
+ }
+ $fp = fopen( $taxonomy_filename, 'w' );
+ if ( $fp ) {
+ fwrite( $fp, $out );
+ fclose( $fp );
+ }
+ $details = explode( "\n", $out );
+ } else {
+ $details = explode( "\n", file_get_contents( $taxonomy_filename ) );
+ }
+ if ( count( $details ) != 1 && $details[ 0 ] != '' ) {
+ $rows = array_splice( $details, 0, 50 );
+ if ( $wp_cache_preload_email_me && $wp_cache_preload_email_volume == 'many' )
+ wp_mail( get_option( 'admin_email' ), sprintf( __( '[%1$s] Refreshing %2$s taxonomy from %3$d to %4$d', 'wp-super-cache' ), site_url(), $taxonomy, $c, ($c+100) ), 'Refreshing: ' . print_r( $rows, 1 ) );
+ foreach( (array)$rows as $url ) {
+ set_time_limit( 60 );
+ if ( $url == '' )
+ continue;
+ $url_info = parse_url( $url );
+ $dir = get_supercache_dir() . $url_info[ 'path' ];
+ if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( "wp_cron_preload_cache: delete $dir", 5 );
+ prune_super_cache( $dir );
+ $fp = @fopen( $permalink_counter_msg, 'w' );
+ if ( $fp ) {
+ @fwrite( $fp, "$taxonomy: $url" );
+ @fclose( $fp );
+ }
+ wp_remote_get( $url, array('timeout' => 60, 'blocking' => true ) );
+ if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( "wp_cron_preload_cache: fetched $url", 5 );
+ sleep( 1 );
+ }
+ $fp = fopen( $taxonomy_filename, 'w' );
+ if ( $fp ) {
+ fwrite( $fp, implode( "\n", $details ) );
+ fclose( $fp );
+ }
+ }
+ }
+ }
+ }
+
+ if ( $wp_cache_preload_posts == 'all' || $c < $wp_cache_preload_posts ) {
+ $posts = $wpdb->get_col( "SELECT ID FROM {$wpdb->posts} WHERE ( post_type != 'revision' AND post_type != 'nav_menu_item' ) AND post_status = 'publish' ORDER BY ID ASC LIMIT $c, 100" );
+ if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( "wp_cron_preload_cache: got 100 posts from position $c.", 5 );
+ } else {
+ if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( "wp_cron_preload_cache: no more posts to get. Limit ($wp_cache_preload_posts) reached.", 5 );
+ $posts = false;
+ }
+ if ( !isset( $wp_cache_preload_email_volume ) )
+ $wp_cache_preload_email_volume = 'medium';
+
+ if ( $posts ) {
+ if ( get_option( 'show_on_front' ) == 'page' ) {
+ $page_on_front = get_option( 'page_on_front' );
+ $page_for_posts = get_option( 'page_for_posts' );
+ } else {
+ $page_on_front = $page_for_posts = 0;
+ }
+ if ( $wp_cache_preload_email_me && $wp_cache_preload_email_volume == 'many' )
+ wp_mail( get_option( 'admin_email' ), sprintf( __( '[%1$s] Refreshing posts from %2$d to %3$d', 'wp-super-cache' ), site_url(), $c, ($c+100) ), ' ' );
+ $msg = '';
+ $count = $c + 1;
+ $permalink_counter_msg = $cache_path . "preload_permalink.txt";
+ foreach( $posts as $post_id ) {
+ set_time_limit( 60 );
+ if ( $page_on_front != 0 && ( $post_id == $page_on_front || $post_id == $page_for_posts ) )
+ continue;
+ clear_post_supercache( $post_id );
+ $url = get_permalink( $post_id );
+ $fp = @fopen( $permalink_counter_msg, 'w' );
+ if ( $fp ) {
+ @fwrite( $fp, $count . " " . $url );
+ @fclose( $fp );
+ }
+ if ( @file_exists( $cache_path . "stop_preload.txt" ) ) {
+ if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( "wp_cron_preload_cache: cancelling preload. stop_preload.txt found.", 5 );
+ @unlink( $mutex );
+ @unlink( $cache_path . "stop_preload.txt" );
+ update_option( 'preload_cache_counter', array( 'c' => 0, 't' => time() ) );
+ if ( $wp_cache_preload_email_me )
+ wp_mail( get_option( 'admin_email' ), sprintf( __( '[%1$s] Cache Preload Stopped', 'wp-super-cache' ), site_url(), '' ), ' ' );
+ return true;
+ }
+ $msg .= "$url\n";
+ wp_remote_get( $url, array('timeout' => 60, 'blocking' => true ) );
+ if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( "wp_cron_preload_cache: fetched $url", 5 );
+ sleep( 1 );
+ $count++;
+ }
+ if ( $wp_cache_preload_email_me && $wp_cache_preload_email_volume != 'less' )
+ wp_mail( get_option( 'admin_email' ), sprintf( __( '[%1$s] %2$d posts refreshed', 'wp-super-cache' ), $WPSC_HTTP_HOST, ($c+100) ), __( "Refreshed the following posts:", 'wp-super-cache' ) . "\n$msg" );
+ if ( defined( 'DOING_CRON' ) ) {
+ if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( "wp_cron_preload_cache: scheduling the next preload in 30 seconds.", 5 );
+ wp_schedule_single_event( time() + 30, 'wp_cache_preload_hook' );
+ }
+ } else {
+ $msg = '';
+ update_option( 'preload_cache_counter', array( 'c' => 0, 't' => time() ) );
+ if ( (int)$wp_cache_preload_interval && defined( 'DOING_CRON' ) ) {
+ if ( $wp_cache_preload_email_me )
+ $msg = sprintf( __( 'Scheduling next preload refresh in %d minutes.', 'wp-super-cache' ), (int)$wp_cache_preload_interval );
+ if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( "wp_cron_preload_cache: no more posts. scheduling next preload in $wp_cache_preload_interval minutes.", 5 );
+ wp_schedule_single_event( time() + ( (int)$wp_cache_preload_interval * 60 ), 'wp_cache_full_preload_hook' );
+ }
+ global $file_prefix, $cache_max_time;
+ if ( $wp_cache_preload_interval > 0 ) {
+ $cache_max_time = (int)$wp_cache_preload_interval * 60; // fool the GC into expiring really old files
+ } else {
+ $cache_max_time = 86400; // fool the GC into expiring really old files
+ }
+ if ( $wp_cache_preload_email_me )
+ wp_mail( get_option( 'admin_email' ), sprintf( __( '[%s] Cache Preload Completed', 'wp-super-cache' ), site_url() ), __( "Cleaning up old supercache files.", 'wp-super-cache' ) . "\n" . $msg );
+ if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) wp_cache_debug( "wp_cron_preload_cache: clean expired cache files older than $cache_max_time seconds.", 5 );
+ wp_cache_phase2_clean_expired( $file_prefix, true ); // force cleanup of old files.
+ }
+ @unlink( $mutex );
+}
+add_action( 'wp_cache_preload_hook', 'wp_cron_preload_cache' );
+add_action( 'wp_cache_full_preload_hook', 'wp_cron_preload_cache' );
+
+function next_preload_message( $hook, $text, $limit = 0 ) {
+ global $currently_preloading, $wp_cache_preload_interval;
+ if ( $next_preload = wp_next_scheduled( $hook ) ) {
+ $next_time = $next_preload - time();
+ if ( $limit != 0 && $next_time > $limit )
+ return false;
+ $h = $m = $s = 0;
+ if ( $next_time > 0 ) {
+ // http://bytes.com/topic/php/answers/3917-seconds-converted-hh-mm-ss
+ $m = (int)($next_time / 60);
+ $s = $next_time % 60;
+ $h = (int)($m / 60); $m = $m % 60;
+ }
+ if ( $next_time > 0 && $next_time < ( 60 * $wp_cache_preload_interval ) )
+ echo '
' . sprintf( $text, $h, $m, $s ) . '
';
+ if ( ( $next_preload - time() ) <= 60 )
+ $currently_preloading = true;
+ }
+}
+
+function option_preload_cache_counter( $value ) {
+ if ( false == is_array( $value ) ) {
+ $ret = array( 'c' => $value, 't' => time(), 'first' => 1 );
+ return $ret;
+ }
+
+ return $value;
+}
+add_filter( 'option_preload_cache_counter', 'option_preload_cache_counter' );
+
+function check_up_on_preloading() {
+ $value = get_option( 'preload_cache_counter' );
+ if ( $value[ 'c' ] > 0 && ( time() - $value[ 't' ] ) > 3600 && false == wp_next_scheduled( 'wp_cache_preload_hook' ) ) {
+ if ( is_admin() )
+ wp_mail( get_option( 'admin_email' ), sprintf( __( '[%s] Preload may have stalled.', 'wp-super-cache' ), get_bloginfo( 'url' ) ), sprintf( __( "Preload has been restarted.\n%s", 'wp-super-cache' ), admin_url( "options-general.php?page=wpsupercache" ) ) );
+ wp_schedule_single_event( time() + 30, 'wp_cache_preload_hook' );
+ }
+}
+add_action( 'init', 'check_up_on_preloading' ); // sometimes preloading stops working. Kickstart it.
+
+function wp_cache_disable_plugin() {
+ global $wp_cache_config_file, $wp_rewrite;
+ if ( file_exists( ABSPATH . 'wp-config.php') ) {
+ $global_config_file = ABSPATH . 'wp-config.php';
+ } else {
+ $global_config_file = dirname(ABSPATH) . '/wp-config.php';
+ }
+ $line = 'define(\'WP_CACHE\', true);';
+ if ( strpos( file_get_contents( $global_config_file ), $line ) && ( !is_writeable_ACLSafe( $global_config_file ) || !wp_cache_replace_line( 'define *\( *\'WP_CACHE\'', '//' . $line, $global_config_file ) ) )
+ wp_die( "Could not remove WP_CACHE define from $global_config_file. Please edit that file and remove the line containing the text 'WP_CACHE'. Then refresh this page." );
+
+ uninstall_supercache( WP_CONTENT_DIR . '/cache' );
+ $file_not_deleted = false;
+ if ( @file_exists( WP_CONTENT_DIR . "/advanced-cache.php" ) ) {
+ if ( false == @unlink( WP_CONTENT_DIR . "/advanced-cache.php" ) )
+ $file_not_deleted[] = 'advanced-cache.php';
+ }
+ if ( @file_exists( WP_CONTENT_DIR . "/wp-cache-config.php" ) ) {
+ if ( false == unlink( WP_CONTENT_DIR . "/wp-cache-config.php" ) )
+ $file_not_deleted[] = 'wp-cache-config.php';
+ }
+ if ( $file_not_deleted ) {
+ $msg = "
One or more files could not be deleted. These files and directories must be made writeable:
\n
" . WP_CONTENT_DIR . " \n";
+ $code = "\n";
+ foreach( (array)$file_not_deleted as $filename ) {
+ $msg .= "" . WP_CONTENT_DIR . "/{$filename} ";
+ $code .= "chmod 666 " . WP_CONTENT_DIR . "/{$filename} \n";
+
+ $msg .= "\n
First try fixing the directory permissions with this command and refresh this page:chmod 777 " . WP_CONTENT_DIR . "
{$code}\n
Don't forgot to fix things later:chmod 755 " . WP_CONTENT_DIR . "
If you don't know what chmod is use this Google search to find out all about it.
Please refresh this page when the permissions have been modified.
";
+ wp_die( $msg );
+ }
+ extract( wpsc_get_htaccess_info() );
+ if ( $scrules != '' && insert_with_markers( $home_path.'.htaccess', 'WPSuperCache', array() ) ) {
+ $wp_rewrite->flush_rules();
+ } elseif( $scrules != '' ) {
+ wp_mail( get_option( 'admin_email' ), __( 'Supercache Uninstall Problems', 'wp-super-cache' ), sprintf( __( "Dear User,\n\nWP Super Cache was removed from your blog but the mod_rewrite rules\nin your .htaccess were not.\n\nPlease edit the following file and remove the code\nbetween 'BEGIN WPSuperCache' and 'END WPSuperCache'. Please backup the file first!\n\n%s\n\nRegards,\nWP Super Cache Plugin\nhttp://wordpress.org/extend/plugins/wp-super-cache/", 'wp-super-cache' ), ABSPATH . '/.htaccess' ) );
+ }
+}
+
+function uninstall_supercache( $folderPath ) { // from http://www.php.net/manual/en/function.rmdir.php
+ if ( trailingslashit( constant( 'ABSPATH' ) ) == trailingslashit( $folderPath ) )
+ return false;
+ if ( @is_dir ( $folderPath ) ) {
+ $dh = @opendir($folderPath);
+ while( false !== ( $value = @readdir( $dh ) ) ) {
+ if ( $value != "." && $value != ".." ) {
+ $value = $folderPath . "/" . $value;
+ if ( @is_dir ( $value ) ) {
+ uninstall_supercache( $value );
+ } else {
+ @unlink( $value );
+ }
+ }
+ }
+ return @rmdir( $folderPath );
+ } else {
+ return false;
+ }
+}
+
+function supercache_admin_bar_render() {
+ global $wp_admin_bar, $wp_cache_not_logged_in;
+ if ( !is_user_logged_in() || !$wp_cache_not_logged_in )
+ return false;
+
+ if ( function_exists('current_user_can') && false == current_user_can('delete_others_posts') )
+ return false;
+
+ $wp_admin_bar->add_menu( array(
+ 'parent' => '',
+ 'id' => 'delete-cache',
+ 'title' => __( 'Delete Cache', 'wp-super-cache' ),
+ 'meta' => array( 'title' => __( 'Delete cache of the current page', 'wp-super-cache' ) ),
+ 'href' => wp_nonce_url( admin_url( 'index.php?action=delcachepage&path=' . urlencode( $_SERVER[ 'REQUEST_URI' ] ) ), 'delete-cache' )
+ ) );
+}
+add_action( 'wp_before_admin_bar_render', 'supercache_admin_bar_render' );
+
+?>