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568 lines
19 KiB
568 lines
19 KiB
<?php |
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/** |
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* These functions are needed to load Multisite. |
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* |
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* @since 3.0.0 |
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* |
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* @package WordPress |
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* @subpackage Multisite |
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*/ |
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|
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/** |
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* Whether a subdomain configuration is enabled. |
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* |
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* @since 3.0.0 |
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* |
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* @return bool True if subdomain configuration is enabled, false otherwise. |
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*/ |
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function is_subdomain_install() { |
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if ( defined( 'SUBDOMAIN_INSTALL' ) ) { |
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return SUBDOMAIN_INSTALL; |
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} |
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|
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return ( defined( 'VHOST' ) && VHOST == 'yes' ); |
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} |
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/** |
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* Returns array of network plugin files to be included in global scope. |
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* |
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* The default directory is wp-content/plugins. To change the default directory |
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* manually, define `WP_PLUGIN_DIR` and `WP_PLUGIN_URL` in `wp-config.php`. |
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* |
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* @access private |
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* @since 3.1.0 |
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* |
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* @return array Files to include. |
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*/ |
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function wp_get_active_network_plugins() { |
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$active_plugins = (array) get_site_option( 'active_sitewide_plugins', array() ); |
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if ( empty( $active_plugins ) ) { |
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return array(); |
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} |
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$plugins = array(); |
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$active_plugins = array_keys( $active_plugins ); |
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sort( $active_plugins ); |
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foreach ( $active_plugins as $plugin ) { |
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if ( ! validate_file( $plugin ) // $plugin must validate as file |
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&& '.php' == substr( $plugin, -4 ) // $plugin must end with '.php' |
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&& file_exists( WP_PLUGIN_DIR . '/' . $plugin ) // $plugin must exist |
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) { |
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$plugins[] = WP_PLUGIN_DIR . '/' . $plugin; |
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} |
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} |
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return $plugins; |
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} |
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|
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/** |
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* Checks status of current blog. |
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* |
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* Checks if the blog is deleted, inactive, archived, or spammed. |
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* |
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* Dies with a default message if the blog does not pass the check. |
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* |
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* To change the default message when a blog does not pass the check, |
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* use the wp-content/blog-deleted.php, blog-inactive.php and |
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* blog-suspended.php drop-ins. |
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* |
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* @since 3.0.0 |
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* |
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* @return true|string Returns true on success, or drop-in file to include. |
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*/ |
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function ms_site_check() { |
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|
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/** |
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* Filters checking the status of the current blog. |
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* |
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* @since 3.0.0 |
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* |
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* @param bool null Whether to skip the blog status check. Default null. |
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*/ |
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$check = apply_filters( 'ms_site_check', null ); |
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if ( null !== $check ) { |
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return true; |
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} |
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|
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// Allow super admins to see blocked sites |
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if ( is_super_admin() ) { |
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return true; |
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} |
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$blog = get_site(); |
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if ( '1' == $blog->deleted ) { |
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if ( file_exists( WP_CONTENT_DIR . '/blog-deleted.php' ) ) { |
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return WP_CONTENT_DIR . '/blog-deleted.php'; |
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} else { |
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wp_die( __( 'This site is no longer available.' ), '', array( 'response' => 410 ) ); |
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} |
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} |
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if ( '2' == $blog->deleted ) { |
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if ( file_exists( WP_CONTENT_DIR . '/blog-inactive.php' ) ) { |
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return WP_CONTENT_DIR . '/blog-inactive.php'; |
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} else { |
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$admin_email = str_replace( '@', ' AT ', get_site_option( 'admin_email', 'support@' . get_network()->domain ) ); |
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wp_die( |
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sprintf( |
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/* translators: %s: Admin email link. */ |
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__( 'This site has not been activated yet. If you are having problems activating your site, please contact %s.' ), |
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sprintf( '<a href="mailto:%1$s">%1$s</a>', $admin_email ) |
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) |
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); |
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} |
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} |
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if ( $blog->archived == '1' || $blog->spam == '1' ) { |
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if ( file_exists( WP_CONTENT_DIR . '/blog-suspended.php' ) ) { |
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return WP_CONTENT_DIR . '/blog-suspended.php'; |
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} else { |
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wp_die( __( 'This site has been archived or suspended.' ), '', array( 'response' => 410 ) ); |
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} |
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} |
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return true; |
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} |
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|
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/** |
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* Retrieve the closest matching network for a domain and path. |
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* |
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* @since 3.9.0 |
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* |
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* @internal In 4.4.0, converted to a wrapper for WP_Network::get_by_path() |
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* |
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* @param string $domain Domain to check. |
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* @param string $path Path to check. |
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* @param int|null $segments Path segments to use. Defaults to null, or the full path. |
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* @return WP_Network|false Network object if successful. False when no network is found. |
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*/ |
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function get_network_by_path( $domain, $path, $segments = null ) { |
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return WP_Network::get_by_path( $domain, $path, $segments ); |
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} |
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/** |
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* Retrieves the closest matching site object by its domain and path. |
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* |
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* This will not necessarily return an exact match for a domain and path. Instead, it |
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* breaks the domain and path into pieces that are then used to match the closest |
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* possibility from a query. |
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* |
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* The intent of this method is to match a site object during bootstrap for a |
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* requested site address |
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* |
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* @since 3.9.0 |
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* @since 4.7.0 Updated to always return a `WP_Site` object. |
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* |
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* @global wpdb $wpdb WordPress database abstraction object. |
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* |
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* @param string $domain Domain to check. |
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* @param string $path Path to check. |
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* @param int|null $segments Path segments to use. Defaults to null, or the full path. |
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* @return WP_Site|false Site object if successful. False when no site is found. |
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*/ |
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function get_site_by_path( $domain, $path, $segments = null ) { |
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$path_segments = array_filter( explode( '/', trim( $path, '/' ) ) ); |
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|
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/** |
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* Filters the number of path segments to consider when searching for a site. |
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* |
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* @since 3.9.0 |
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* |
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* @param int|null $segments The number of path segments to consider. WordPress by default looks at |
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* one path segment following the network path. The function default of |
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* null only makes sense when you know the requested path should match a site. |
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* @param string $domain The requested domain. |
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* @param string $path The requested path, in full. |
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*/ |
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$segments = apply_filters( 'site_by_path_segments_count', $segments, $domain, $path ); |
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if ( null !== $segments && count( $path_segments ) > $segments ) { |
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$path_segments = array_slice( $path_segments, 0, $segments ); |
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} |
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$paths = array(); |
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while ( count( $path_segments ) ) { |
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$paths[] = '/' . implode( '/', $path_segments ) . '/'; |
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array_pop( $path_segments ); |
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} |
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$paths[] = '/'; |
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/** |
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* Determine a site by its domain and path. |
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* |
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* This allows one to short-circuit the default logic, perhaps by |
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* replacing it with a routine that is more optimal for your setup. |
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* |
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* Return null to avoid the short-circuit. Return false if no site |
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* can be found at the requested domain and path. Otherwise, return |
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* a site object. |
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* |
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* @since 3.9.0 |
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* |
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* @param null|false|WP_Site $site Site value to return by path. |
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* @param string $domain The requested domain. |
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* @param string $path The requested path, in full. |
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* @param int|null $segments The suggested number of paths to consult. |
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* Default null, meaning the entire path was to be consulted. |
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* @param array $paths The paths to search for, based on $path and $segments. |
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*/ |
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$pre = apply_filters( 'pre_get_site_by_path', null, $domain, $path, $segments, $paths ); |
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if ( null !== $pre ) { |
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if ( false !== $pre && ! $pre instanceof WP_Site ) { |
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$pre = new WP_Site( $pre ); |
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} |
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return $pre; |
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} |
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/* |
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* @todo |
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* caching, etc. Consider alternative optimization routes, |
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* perhaps as an opt-in for plugins, rather than using the pre_* filter. |
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* For example: The segments filter can expand or ignore paths. |
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* If persistent caching is enabled, we could query the DB for a path <> '/' |
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* then cache whether we can just always ignore paths. |
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*/ |
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// Either www or non-www is supported, not both. If a www domain is requested, |
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// query for both to provide the proper redirect. |
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$domains = array( $domain ); |
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if ( 'www.' === substr( $domain, 0, 4 ) ) { |
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$domains[] = substr( $domain, 4 ); |
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} |
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$args = array( |
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'number' => 1, |
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'update_site_meta_cache' => false, |
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); |
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if ( count( $domains ) > 1 ) { |
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$args['domain__in'] = $domains; |
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$args['orderby']['domain_length'] = 'DESC'; |
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} else { |
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$args['domain'] = array_shift( $domains ); |
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} |
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if ( count( $paths ) > 1 ) { |
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$args['path__in'] = $paths; |
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$args['orderby']['path_length'] = 'DESC'; |
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} else { |
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$args['path'] = array_shift( $paths ); |
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} |
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$result = get_sites( $args ); |
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$site = array_shift( $result ); |
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if ( $site ) { |
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return $site; |
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} |
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return false; |
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} |
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/** |
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* Identifies the network and site of a requested domain and path and populates the |
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* corresponding network and site global objects as part of the multisite bootstrap process. |
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* |
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* Prior to 4.6.0, this was a procedural block in `ms-settings.php`. It was wrapped into |
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* a function to facilitate unit tests. It should not be used outside of core. |
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* |
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* Usually, it's easier to query the site first, which then declares its network. |
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* In limited situations, we either can or must find the network first. |
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* |
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* If a network and site are found, a `true` response will be returned so that the |
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* request can continue. |
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* |
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* If neither a network or site is found, `false` or a URL string will be returned |
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* so that either an error can be shown or a redirect can occur. |
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* |
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* @since 4.6.0 |
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* @access private |
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* |
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* @global WP_Network $current_site The current network. |
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* @global WP_Site $current_blog The current site. |
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* |
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* @param string $domain The requested domain. |
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* @param string $path The requested path. |
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* @param bool $subdomain Optional. Whether a subdomain (true) or subdirectory (false) configuration. |
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* Default false. |
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* @return bool|string True if bootstrap successfully populated `$current_blog` and `$current_site`. |
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* False if bootstrap could not be properly completed. |
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* Redirect URL if parts exist, but the request as a whole can not be fulfilled. |
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*/ |
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function ms_load_current_site_and_network( $domain, $path, $subdomain = false ) { |
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global $current_site, $current_blog; |
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// If the network is defined in wp-config.php, we can simply use that. |
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if ( defined( 'DOMAIN_CURRENT_SITE' ) && defined( 'PATH_CURRENT_SITE' ) ) { |
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$current_site = new stdClass; |
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$current_site->id = defined( 'SITE_ID_CURRENT_SITE' ) ? SITE_ID_CURRENT_SITE : 1; |
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$current_site->domain = DOMAIN_CURRENT_SITE; |
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$current_site->path = PATH_CURRENT_SITE; |
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if ( defined( 'BLOG_ID_CURRENT_SITE' ) ) { |
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$current_site->blog_id = BLOG_ID_CURRENT_SITE; |
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} elseif ( defined( 'BLOGID_CURRENT_SITE' ) ) { // deprecated. |
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$current_site->blog_id = BLOGID_CURRENT_SITE; |
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} |
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if ( 0 === strcasecmp( $current_site->domain, $domain ) && 0 === strcasecmp( $current_site->path, $path ) ) { |
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$current_blog = get_site_by_path( $domain, $path ); |
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} elseif ( '/' !== $current_site->path && 0 === strcasecmp( $current_site->domain, $domain ) && 0 === stripos( $path, $current_site->path ) ) { |
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// If the current network has a path and also matches the domain and path of the request, |
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// we need to look for a site using the first path segment following the network's path. |
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$current_blog = get_site_by_path( $domain, $path, 1 + count( explode( '/', trim( $current_site->path, '/' ) ) ) ); |
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} else { |
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// Otherwise, use the first path segment (as usual). |
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$current_blog = get_site_by_path( $domain, $path, 1 ); |
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} |
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} elseif ( ! $subdomain ) { |
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/* |
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* A "subdomain" installation can be re-interpreted to mean "can support any domain". |
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* If we're not dealing with one of these installations, then the important part is determining |
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* the network first, because we need the network's path to identify any sites. |
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*/ |
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$current_site = wp_cache_get( 'current_network', 'site-options' ); |
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if ( ! $current_site ) { |
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// Are there even two networks installed? |
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$networks = get_networks( array( 'number' => 2 ) ); |
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if ( count( $networks ) === 1 ) { |
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$current_site = array_shift( $networks ); |
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wp_cache_add( 'current_network', $current_site, 'site-options' ); |
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} elseif ( empty( $networks ) ) { |
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// A network not found hook should fire here. |
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return false; |
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} |
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} |
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if ( empty( $current_site ) ) { |
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$current_site = WP_Network::get_by_path( $domain, $path, 1 ); |
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} |
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if ( empty( $current_site ) ) { |
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/** |
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* Fires when a network cannot be found based on the requested domain and path. |
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* |
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* At the time of this action, the only recourse is to redirect somewhere |
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* and exit. If you want to declare a particular network, do so earlier. |
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* |
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* @since 4.4.0 |
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* |
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* @param string $domain The domain used to search for a network. |
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* @param string $path The path used to search for a path. |
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*/ |
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do_action( 'ms_network_not_found', $domain, $path ); |
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return false; |
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} elseif ( $path === $current_site->path ) { |
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$current_blog = get_site_by_path( $domain, $path ); |
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} else { |
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// Search the network path + one more path segment (on top of the network path). |
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$current_blog = get_site_by_path( $domain, $path, substr_count( $current_site->path, '/' ) ); |
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} |
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} else { |
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// Find the site by the domain and at most the first path segment. |
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$current_blog = get_site_by_path( $domain, $path, 1 ); |
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if ( $current_blog ) { |
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$current_site = WP_Network::get_instance( $current_blog->site_id ? $current_blog->site_id : 1 ); |
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} else { |
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// If you don't have a site with the same domain/path as a network, you're pretty screwed, but: |
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$current_site = WP_Network::get_by_path( $domain, $path, 1 ); |
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} |
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} |
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// The network declared by the site trumps any constants. |
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if ( $current_blog && $current_blog->site_id != $current_site->id ) { |
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$current_site = WP_Network::get_instance( $current_blog->site_id ); |
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} |
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// No network has been found, bail. |
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if ( empty( $current_site ) ) { |
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/** This action is documented in wp-includes/ms-settings.php */ |
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do_action( 'ms_network_not_found', $domain, $path ); |
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return false; |
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} |
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// During activation of a new subdomain, the requested site does not yet exist. |
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if ( empty( $current_blog ) && wp_installing() ) { |
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$current_blog = new stdClass; |
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$current_blog->blog_id = 1; |
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$blog_id = 1; |
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$current_blog->public = 1; |
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} |
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// No site has been found, bail. |
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if ( empty( $current_blog ) ) { |
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// We're going to redirect to the network URL, with some possible modifications. |
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$scheme = is_ssl() ? 'https' : 'http'; |
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$destination = "$scheme://{$current_site->domain}{$current_site->path}"; |
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|
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/** |
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* Fires when a network can be determined but a site cannot. |
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* |
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* At the time of this action, the only recourse is to redirect somewhere |
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* and exit. If you want to declare a particular site, do so earlier. |
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* |
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* @since 3.9.0 |
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* |
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* @param object $current_site The network that had been determined. |
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* @param string $domain The domain used to search for a site. |
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* @param string $path The path used to search for a site. |
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*/ |
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do_action( 'ms_site_not_found', $current_site, $domain, $path ); |
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if ( $subdomain && ! defined( 'NOBLOGREDIRECT' ) ) { |
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// For a "subdomain" installation, redirect to the signup form specifically. |
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$destination .= 'wp-signup.php?new=' . str_replace( '.' . $current_site->domain, '', $domain ); |
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} elseif ( $subdomain ) { |
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// For a "subdomain" installation, the NOBLOGREDIRECT constant |
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// can be used to avoid a redirect to the signup form. |
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// Using the ms_site_not_found action is preferred to the constant. |
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if ( '%siteurl%' !== NOBLOGREDIRECT ) { |
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$destination = NOBLOGREDIRECT; |
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} |
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} elseif ( 0 === strcasecmp( $current_site->domain, $domain ) ) { |
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/* |
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* If the domain we were searching for matches the network's domain, |
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* it's no use redirecting back to ourselves -- it'll cause a loop. |
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* As we couldn't find a site, we're simply not installed. |
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*/ |
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return false; |
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} |
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|
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return $destination; |
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} |
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|
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// Figure out the current network's main site. |
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if ( empty( $current_site->blog_id ) ) { |
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$current_site->blog_id = get_main_site_id( $current_site->id ); |
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} |
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return true; |
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} |
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|
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/** |
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* Displays a failure message. |
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* |
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* Used when a blog's tables do not exist. Checks for a missing $wpdb->site table as well. |
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* |
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* @access private |
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* @since 3.0.0 |
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* @since 4.4.0 The `$domain` and `$path` parameters were added. |
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* |
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* @global wpdb $wpdb WordPress database abstraction object. |
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* |
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* @param string $domain The requested domain for the error to reference. |
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* @param string $path The requested path for the error to reference. |
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*/ |
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function ms_not_installed( $domain, $path ) { |
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global $wpdb; |
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|
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if ( ! is_admin() ) { |
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dead_db(); |
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} |
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wp_load_translations_early(); |
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$title = __( 'Error establishing a database connection' ); |
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$msg = '<h1>' . $title . '</h1>'; |
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$msg .= '<p>' . __( 'If your site does not display, please contact the owner of this network.' ) . ''; |
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$msg .= ' ' . __( 'If you are the owner of this network please check that MySQL is running properly and all tables are error free.' ) . '</p>'; |
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$query = $wpdb->prepare( 'SHOW TABLES LIKE %s', $wpdb->esc_like( $wpdb->site ) ); |
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if ( ! $wpdb->get_var( $query ) ) { |
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$msg .= '<p>' . sprintf( |
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/* translators: %s: Table name. */ |
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__( '<strong>Database tables are missing.</strong> This means that MySQL is not running, WordPress was not installed properly, or someone deleted %s. You really should look at your database now.' ), |
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'<code>' . $wpdb->site . '</code>' |
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) . '</p>'; |
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} else { |
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$msg .= '<p>' . sprintf( |
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/* translators: 1: Site URL, 2: Table name, 3: Database name. */ |
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__( '<strong>Could not find site %1$s.</strong> Searched for table %2$s in database %3$s. Is that right?' ), |
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'<code>' . rtrim( $domain . $path, '/' ) . '</code>', |
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'<code>' . $wpdb->blogs . '</code>', |
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'<code>' . DB_NAME . '</code>' |
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) . '</p>'; |
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} |
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$msg .= '<p><strong>' . __( 'What do I do now?' ) . '</strong> '; |
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$msg .= sprintf( |
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/* translators: %s: Documentation URL. */ |
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__( 'Read the <a href="%s" target="_blank">bug report</a> page. Some of the guidelines there may help you figure out what went wrong.' ), |
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__( 'https://wordpress.org/support/article/debugging-a-wordpress-network/' ) |
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); |
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$msg .= ' ' . __( 'If you’re still stuck with this message, then check that your database contains the following tables:' ) . '</p><ul>'; |
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foreach ( $wpdb->tables( 'global' ) as $t => $table ) { |
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if ( 'sitecategories' == $t ) { |
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continue; |
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} |
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$msg .= '<li>' . $table . '</li>'; |
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} |
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$msg .= '</ul>'; |
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|
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wp_die( $msg, $title, array( 'response' => 500 ) ); |
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} |
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|
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/** |
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* This deprecated function formerly set the site_name property of the $current_site object. |
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* |
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* This function simply returns the object, as before. |
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* The bootstrap takes care of setting site_name. |
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* |
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* @access private |
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* @since 3.0.0 |
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* @deprecated 3.9.0 Use get_current_site() instead. |
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* |
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* @param object $current_site |
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* @return object |
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*/ |
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function get_current_site_name( $current_site ) { |
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_deprecated_function( __FUNCTION__, '3.9.0', 'get_current_site()' ); |
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return $current_site; |
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} |
|
|
|
/** |
|
* This deprecated function managed much of the site and network loading in multisite. |
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* |
|
* The current bootstrap code is now responsible for parsing the site and network load as |
|
* well as setting the global $current_site object. |
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* |
|
* @access private |
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* @since 3.0.0 |
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* @deprecated 3.9.0 |
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* |
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* @global object $current_site |
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* |
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* @return object |
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*/ |
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function wpmu_current_site() { |
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global $current_site; |
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_deprecated_function( __FUNCTION__, '3.9.0' ); |
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return $current_site; |
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} |
|
|
|
/** |
|
* Retrieve an object containing information about the requested network. |
|
* |
|
* @since 3.9.0 |
|
* @deprecated 4.7.0 Use `get_network()` |
|
* @see get_network() |
|
* |
|
* @internal In 4.6.0, converted to use get_network() |
|
* |
|
* @param object|int $network The network's database row or ID. |
|
* @return WP_Network|false Object containing network information if found, false if not. |
|
*/ |
|
function wp_get_network( $network ) { |
|
_deprecated_function( __FUNCTION__, '4.7.0', 'get_network()' ); |
|
|
|
$network = get_network( $network ); |
|
if ( null === $network ) { |
|
return false; |
|
} |
|
|
|
return $network; |
|
}
|
|
|