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8919d9a88a
Props ramiy. Fixes #34687. Built from https://develop.svn.wordpress.org/trunk@35668 git-svn-id: http://core.svn.wordpress.org/trunk@35632 1a063a9b-81f0-0310-95a4-ce76da25c4cd
360 lines
12 KiB
PHP
360 lines
12 KiB
PHP
<?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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* 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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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( $active_plugins ) )
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return array();
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$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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return $plugins;
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}
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/**
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* Checks status of current blog.
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*
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* Checks if the blog is deleted, inactive, archived, or spammed.
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*
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* Dies with a default message if the blog does not pass the check.
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*
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* To change the default message when a blog does not pass the check,
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* use the wp-content/blog-deleted.php, blog-inactive.php and
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* blog-suspended.php drop-ins.
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*
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* @since 3.0.0
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*
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* @return true|string Returns true on success, or drop-in file to include.
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*/
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function ms_site_check() {
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$blog = get_blog_details();
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/**
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* Filter 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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// 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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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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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_current_site()->domain ) );
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wp_die(
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/* translators: %s: admin email link */
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sprintf( __( '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:%s">%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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return true;
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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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* @since 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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* Retrieve an object containing information about the requested network.
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*
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* @since 3.9.0
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* @since 4.4.0 Converted to leverage WP_Network
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*
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* @param object|int $network The network's database row or ID.
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* @return WP_Network|false Object containing network information if found, false if not.
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*/
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function wp_get_network( $network ) {
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if ( ! is_object( $network ) ) {
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$network = WP_Network::get_instance( $network );
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} else {
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$network = new WP_Network( $network );
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}
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return $network;
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}
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/**
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* Retrieve a site object by its domain and path.
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*
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* @since 3.9.0
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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 object|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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global $wpdb;
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$path_segments = array_filter( explode( '/', trim( $path, '/' ) ) );
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/**
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* Filter 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|bool|object $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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return $pre;
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}
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/*
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* @todo
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* get_blog_details(), caching, etc. Consider alternative optimization routes,
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* perhaps as an opt-in for plugins, rather than using the pre_* filter.
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* For example: The segments filter can expand or ignore paths.
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* If persistent caching is enabled, we could query the DB for a path <> '/'
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* then cache whether we can just always ignore paths.
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*/
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// Either www or non-www is supported, not both. If a www domain is requested,
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// query for both to provide the proper redirect.
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$domains = array( $domain );
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if ( 'www.' === substr( $domain, 0, 4 ) ) {
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$domains[] = substr( $domain, 4 );
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$search_domains = "'" . implode( "', '", $wpdb->_escape( $domains ) ) . "'";
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}
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if ( count( $paths ) > 1 ) {
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$search_paths = "'" . implode( "', '", $wpdb->_escape( $paths ) ) . "'";
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}
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if ( count( $domains ) > 1 && count( $paths ) > 1 ) {
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$site = $wpdb->get_row( "SELECT * FROM $wpdb->blogs WHERE domain IN ($search_domains) AND path IN ($search_paths) ORDER BY CHAR_LENGTH(domain) DESC, CHAR_LENGTH(path) DESC LIMIT 1" );
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} elseif ( count( $domains ) > 1 ) {
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$sql = $wpdb->prepare( "SELECT * FROM $wpdb->blogs WHERE path = %s", $paths[0] );
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$sql .= " AND domain IN ($search_domains) ORDER BY CHAR_LENGTH(domain) DESC LIMIT 1";
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$site = $wpdb->get_row( $sql );
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} elseif ( count( $paths ) > 1 ) {
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$sql = $wpdb->prepare( "SELECT * FROM $wpdb->blogs WHERE domain = %s", $domains[0] );
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$sql .= " AND path IN ($search_paths) ORDER BY CHAR_LENGTH(path) DESC LIMIT 1";
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$site = $wpdb->get_row( $sql );
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} else {
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$site = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $wpdb->blogs WHERE domain = %s AND path = %s", $domains[0], $paths[0] ) );
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}
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if ( $site ) {
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// @todo get_blog_details()
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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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* 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 $wpdb;
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if ( ! is_admin() ) {
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dead_db();
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}
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wp_load_translations_early();
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$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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/* translators: %s: Codex URL */
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$msg .= sprintf( __( 'Read the <a href="%s" target="_blank">bug report</a> page. Some of the guidelines there may help you figure out what went wrong.' ),
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__( 'https://codex.wordpress.org/Debugging_a_WordPress_Network' )
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);
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$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' == $t )
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continue;
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$msg .= '<li>' . $table . '</li>';
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}
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$msg .= '</ul>';
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wp_die( $msg, $title, array( 'response' => 500 ) );
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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', 'get_current_site()' );
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return $current_site;
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}
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/**
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* This deprecated function managed much of the site and network loading in multisite.
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*
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* The current bootstrap code is now responsible for parsing the site and network load as
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* well as setting the global $current_site object.
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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
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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' );
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return $current_site;
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}
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