WP_PLUGIN_DIR and WP_PLUGIN_URL * in wp-config.php. * * @access private * @since 3.1.0 * @return array Files to include */ function wp_get_active_network_plugins() { $active_plugins = (array) get_site_option( 'active_sitewide_plugins', array() ); if ( empty( $active_plugins ) ) return array(); $plugins = array(); $active_plugins = array_keys( $active_plugins ); sort( $active_plugins ); foreach ( $active_plugins as $plugin ) { if ( ! validate_file( $plugin ) // $plugin must validate as file && '.php' == substr( $plugin, -4 ) // $plugin must end with '.php' && file_exists( WP_PLUGIN_DIR . '/' . $plugin ) // $plugin must exist ) $plugins[] = WP_PLUGIN_DIR . '/' . $plugin; } return $plugins; } /** * Checks status of current blog. * * Checks if the blog is deleted, inactive, archived, or spammed. * * Dies with a default message if the blog does not pass the check. * * To change the default message when a blog does not pass the check, * use the wp-content/blog-deleted.php, blog-inactive.php and * blog-suspended.php drop-ins. * * @return bool|string Returns true on success, or drop-in file to include. */ function ms_site_check() { global $wpdb; $blog = get_blog_details(); // Allow short-circuiting $check = apply_filters('ms_site_check', null); if ( null !== $check ) return true; // Allow super admins to see blocked sites if ( is_super_admin() ) return true; if ( '1' == $blog->deleted ) { if ( file_exists( WP_CONTENT_DIR . '/blog-deleted.php' ) ) return WP_CONTENT_DIR . '/blog-deleted.php'; else wp_die( __( 'This user has elected to delete their account and the content is no longer available.' ), '', array( 'response' => 410 ) ); } if ( '2' == $blog->deleted ) { if ( file_exists( WP_CONTENT_DIR . '/blog-inactive.php' ) ) return WP_CONTENT_DIR . '/blog-inactive.php'; else wp_die( sprintf( __( 'This site has not been activated yet. If you are having problems activating your site, please contact %1$s.' ), str_replace( '@', ' AT ', get_site_option( 'admin_email', "support@{$current_site->domain}" ) ) ) ); } if ( $blog->archived == '1' || $blog->spam == '1' ) { if ( file_exists( WP_CONTENT_DIR . '/blog-suspended.php' ) ) return WP_CONTENT_DIR . '/blog-suspended.php'; else wp_die( __( 'This site has been archived or suspended.' ), '', array( 'response' => 410 ) ); } return true; } /** * Sets current site name. * * @access private * @since 3.0.0 * @return object $current_site object with site_name */ function get_current_site_name( $current_site ) { global $wpdb; $current_site->site_name = wp_cache_get( $current_site->id . ':site_name', 'site-options' ); if ( ! $current_site->site_name ) { $current_site->site_name = $wpdb->get_var( $wpdb->prepare( "SELECT meta_value FROM $wpdb->sitemeta WHERE site_id = %d AND meta_key = 'site_name'", $current_site->id ) ); if ( ! $current_site->site_name ) $current_site->site_name = ucfirst( $current_site->domain ); wp_cache_set( $current_site->id . ':site_name', $current_site->site_name, 'site-options' ); } return $current_site; } /** * Sets current_site object. * * @access private * @since 3.0.0 * @return object $current_site object */ function wpmu_current_site() { global $wpdb, $current_site, $domain, $path, $sites, $cookie_domain; if ( empty( $current_site ) ) $current_site = new stdClass; if ( defined( 'DOMAIN_CURRENT_SITE' ) && defined( 'PATH_CURRENT_SITE' ) ) { $current_site->id = defined( 'SITE_ID_CURRENT_SITE' ) ? SITE_ID_CURRENT_SITE : 1; $current_site->domain = DOMAIN_CURRENT_SITE; $current_site->path = $path = PATH_CURRENT_SITE; if ( defined( 'BLOG_ID_CURRENT_SITE' ) ) $current_site->blog_id = BLOG_ID_CURRENT_SITE; elseif ( defined( 'BLOGID_CURRENT_SITE' ) ) // deprecated. $current_site->blog_id = BLOGID_CURRENT_SITE; if ( DOMAIN_CURRENT_SITE == $domain ) $current_site->cookie_domain = $cookie_domain; elseif ( substr( $current_site->domain, 0, 4 ) == 'www.' ) $current_site->cookie_domain = substr( $current_site->domain, 4 ); else $current_site->cookie_domain = $current_site->domain; wp_load_core_site_options( $current_site->id ); return $current_site; } $current_site = wp_cache_get( 'current_site', 'site-options' ); if ( $current_site ) return $current_site; $sites = $wpdb->get_results( "SELECT * FROM $wpdb->site" ); // usually only one site if ( 1 == count( $sites ) ) { $current_site = $sites[0]; wp_load_core_site_options( $current_site->id ); $path = $current_site->path; $current_site->blog_id = $wpdb->get_var( $wpdb->prepare( "SELECT blog_id FROM $wpdb->blogs WHERE domain = %s AND path = %s", $current_site->domain, $current_site->path ) ); $current_site = get_current_site_name( $current_site ); if ( substr( $current_site->domain, 0, 4 ) == 'www.' ) $current_site->cookie_domain = substr( $current_site->domain, 4 ); wp_cache_set( 'current_site', $current_site, 'site-options' ); return $current_site; } $path = substr( $_SERVER[ 'REQUEST_URI' ], 0, 1 + strpos( $_SERVER[ 'REQUEST_URI' ], '/', 1 ) ); if ( $domain == $cookie_domain ) $current_site = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $wpdb->site WHERE domain = %s AND path = %s", $domain, $path ) ); else $current_site = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $wpdb->site WHERE domain IN ( %s, %s ) AND path = %s ORDER BY CHAR_LENGTH( domain ) DESC LIMIT 1", $domain, $cookie_domain, $path ) ); if ( ! $current_site ) { if ( $domain == $cookie_domain ) $current_site = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->site WHERE domain = %s AND path='/'", $domain ) ); else $current_site = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->site WHERE domain IN ( %s, %s ) AND path = '/' ORDER BY CHAR_LENGTH( domain ) DESC LIMIT 1", $domain, $cookie_domain, $path ) ); } if ( $current_site ) { $path = $current_site->path; $current_site->cookie_domain = $cookie_domain; return $current_site; } if ( is_subdomain_install() ) { $sitedomain = substr( $domain, 1 + strpos( $domain, '.' ) ); $current_site = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->site WHERE domain = %s AND path = %s", $sitedomain, $path) ); if ( $current_site ) { $current_site->cookie_domain = $current_site->domain; return $current_site; } $current_site = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->site WHERE domain = %s AND path='/'", $sitedomain) ); } if ( $current_site || defined( 'WP_INSTALLING' ) ) { $path = '/'; return $current_site; } // Still no dice. wp_load_translations_early(); if ( 1 == count( $sites ) ) wp_die( sprintf( __( 'That site does not exist. Please try %s.' ), 'http://' . $sites[0]->domain . $sites[0]->path ) ); else wp_die( __( 'No site defined on this host. If you are the owner of this site, please check Debugging a WordPress Network for help.' ) ); } /** * Displays a failure message. * * Used when a blog's tables do not exist. Checks for a missing $wpdb->site table as well. * * @access private * @since 3.0.0 */ function ms_not_installed() { global $wpdb, $domain, $path; wp_load_translations_early(); $title = __( 'Error establishing a database connection' ); $msg = '

' . $title . '

'; if ( ! is_admin() ) die( $msg ); $msg .= '

' . __( 'If your site does not display, please contact the owner of this network.' ) . ''; $msg .= ' ' . __( 'If you are the owner of this network please check that MySQL is running properly and all tables are error free.' ) . '

'; if ( false && !$wpdb->get_var( "SHOW TABLES LIKE '$wpdb->site'" ) ) $msg .= '

' . sprintf( __( 'Database tables are missing. This means that MySQL is not running, WordPress was not installed properly, or someone deleted %s. You really should look at your database now.' ), $wpdb->site ) . '

'; else $msg .= '

' . sprintf( __( 'Could not find site %1$s. Searched for table %2$s in database %3$s. Is that right?' ), rtrim( $domain . $path, '/' ), $wpdb->blogs, DB_NAME ) . '

'; $msg .= '

' . __( 'What do I do now?' ) . ' '; $msg .= __( 'Read the bug report page. Some of the guidelines there may help you figure out what went wrong.' ); $msg .= ' ' . __( 'If you’re still stuck with this message, then check that your database contains the following tables:' ) . '

'; wp_die( $msg, $title ); }