angelovcom.net

ms-load.php (19786B)

---

 <?php
 /**
  * These functions are needed to load Multisite.
  *
  * @since 3.0.0
  *
  * @package WordPress
  * @subpackage Multisite
  */
 
 /**
  * Whether a subdomain configuration is enabled.
  *
  * @since 3.0.0
  *
  * @return bool True if subdomain configuration is enabled, false otherwise.
  */
 function is_subdomain_install() {
 	if ( defined( 'SUBDOMAIN_INSTALL' ) ) {
 		return SUBDOMAIN_INSTALL;
 	}
 
 	return ( defined( 'VHOST' ) && 'yes' === VHOST );
 }
 
 /**
  * Returns array of network plugin files to be included in global scope.
  *
  * The default directory is wp-content/plugins. To change the default directory
  * manually, define `WP_PLUGIN_DIR` and `WP_PLUGIN_URL` in `wp-config.php`.
  *
  * @access private
  * @since 3.1.0
  *
  * @return string[] Array of absolute paths to 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.
  *
  * @since 3.0.0
  *
  * @return true|string Returns true on success, or drop-in file to include.
  */
 function ms_site_check() {
 
 	/**
 	 * Filters checking the status of the current blog.
 	 *
 	 * @since 3.0.0
 	 *
 	 * @param bool|null $check Whether to skip the blog status check. Default null.
 	 */
 	$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;
 	}
 
 	$blog = get_site();
 
 	if ( '1' == $blog->deleted ) {
 		if ( file_exists( WP_CONTENT_DIR . '/blog-deleted.php' ) ) {
 			return WP_CONTENT_DIR . '/blog-deleted.php';
 		} else {
 			wp_die( __( 'This site 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 {
 			$admin_email = str_replace( '@', ' AT ', get_site_option( 'admin_email', 'support@' . get_network()->domain ) );
 			wp_die(
 				sprintf(
 					/* translators: %s: Admin email link. */
 					__( 'This site has not been activated yet. If you are having problems activating your site, please contact %s.' ),
 					sprintf( '<a href="mailto:%1$s">%1$s</a>', $admin_email )
 				)
 			);
 		}
 	}
 
 	if ( '1' == $blog->archived || '1' == $blog->spam ) {
 		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;
 }
 
 /**
  * Retrieve the closest matching network for a domain and path.
  *
  * @since 3.9.0
  *
  * @internal In 4.4.0, converted to a wrapper for WP_Network::get_by_path()
  *
  * @param string   $domain   Domain to check.
  * @param string   $path     Path to check.
  * @param int|null $segments Path segments to use. Defaults to null, or the full path.
  * @return WP_Network|false Network object if successful. False when no network is found.
  */
 function get_network_by_path( $domain, $path, $segments = null ) {
 	return WP_Network::get_by_path( $domain, $path, $segments );
 }
 
 /**
  * Retrieves the closest matching site object by its domain and path.
  *
  * This will not necessarily return an exact match for a domain and path. Instead, it
  * breaks the domain and path into pieces that are then used to match the closest
  * possibility from a query.
  *
  * The intent of this method is to match a site object during bootstrap for a
  * requested site address
  *
  * @since 3.9.0
  * @since 4.7.0 Updated to always return a `WP_Site` object.
  *
  * @param string   $domain   Domain to check.
  * @param string   $path     Path to check.
  * @param int|null $segments Path segments to use. Defaults to null, or the full path.
  * @return WP_Site|false Site object if successful. False when no site is found.
  */
 function get_site_by_path( $domain, $path, $segments = null ) {
 	$path_segments = array_filter( explode( '/', trim( $path, '/' ) ) );
 
 	/**
 	 * Filters the number of path segments to consider when searching for a site.
 	 *
 	 * @since 3.9.0
 	 *
 	 * @param int|null $segments The number of path segments to consider. WordPress by default looks at
 	 *                           one path segment following the network path. The function default of
 	 *                           null only makes sense when you know the requested path should match a site.
 	 * @param string   $domain   The requested domain.
 	 * @param string   $path     The requested path, in full.
 	 */
 	$segments = apply_filters( 'site_by_path_segments_count', $segments, $domain, $path );
 
 	if ( null !== $segments && count( $path_segments ) > $segments ) {
 		$path_segments = array_slice( $path_segments, 0, $segments );
 	}
 
 	$paths = array();
 
 	while ( count( $path_segments ) ) {
 		$paths[] = '/' . implode( '/', $path_segments ) . '/';
 		array_pop( $path_segments );
 	}
 
 	$paths[] = '/';
 
 	/**
 	 * Determine a site by its domain and path.
 	 *
 	 * This allows one to short-circuit the default logic, perhaps by
 	 * replacing it with a routine that is more optimal for your setup.
 	 *
 	 * Return null to avoid the short-circuit. Return false if no site
 	 * can be found at the requested domain and path. Otherwise, return
 	 * a site object.
 	 *
 	 * @since 3.9.0
 	 *
 	 * @param null|false|WP_Site $site     Site value to return by path. Default null
 	 *                                     to continue retrieving the site.
 	 * @param string             $domain   The requested domain.
 	 * @param string             $path     The requested path, in full.
 	 * @param int|null           $segments The suggested number of paths to consult.
 	 *                                     Default null, meaning the entire path was to be consulted.
 	 * @param string[]           $paths    The paths to search for, based on $path and $segments.
 	 */
 	$pre = apply_filters( 'pre_get_site_by_path', null, $domain, $path, $segments, $paths );
 	if ( null !== $pre ) {
 		if ( false !== $pre && ! $pre instanceof WP_Site ) {
 			$pre = new WP_Site( $pre );
 		}
 		return $pre;
 	}
 
 	/*
 	 * @todo
 	 * Caching, etc. Consider alternative optimization routes,
 	 * perhaps as an opt-in for plugins, rather than using the pre_* filter.
 	 * For example: The segments filter can expand or ignore paths.
 	 * If persistent caching is enabled, we could query the DB for a path <> '/'
 	 * then cache whether we can just always ignore paths.
 	 */
 
 	// Either www or non-www is supported, not both. If a www domain is requested,
 	// query for both to provide the proper redirect.
 	$domains = array( $domain );
 	if ( 'www.' === substr( $domain, 0, 4 ) ) {
 		$domains[] = substr( $domain, 4 );
 	}
 
 	$args = array(
 		'number'                 => 1,
 		'update_site_meta_cache' => false,
 	);
 
 	if ( count( $domains ) > 1 ) {
 		$args['domain__in']               = $domains;
 		$args['orderby']['domain_length'] = 'DESC';
 	} else {
 		$args['domain'] = array_shift( $domains );
 	}
 
 	if ( count( $paths ) > 1 ) {
 		$args['path__in']               = $paths;
 		$args['orderby']['path_length'] = 'DESC';
 	} else {
 		$args['path'] = array_shift( $paths );
 	}
 
 	$result = get_sites( $args );
 	$site   = array_shift( $result );
 
 	if ( $site ) {
 		return $site;
 	}
 
 	return false;
 }
 
 /**
  * Identifies the network and site of a requested domain and path and populates the
  * corresponding network and site global objects as part of the multisite bootstrap process.
  *
  * Prior to 4.6.0, this was a procedural block in `ms-settings.php`. It was wrapped into
  * a function to facilitate unit tests. It should not be used outside of core.
  *
  * Usually, it's easier to query the site first, which then declares its network.
  * In limited situations, we either can or must find the network first.
  *
  * If a network and site are found, a `true` response will be returned so that the
  * request can continue.
  *
  * If neither a network or site is found, `false` or a URL string will be returned
  * so that either an error can be shown or a redirect can occur.
  *
  * @since 4.6.0
  * @access private
  *
  * @global WP_Network $current_site The current network.
  * @global WP_Site    $current_blog The current site.
  *
  * @param string $domain    The requested domain.
  * @param string $path      The requested path.
  * @param bool   $subdomain Optional. Whether a subdomain (true) or subdirectory (false) configuration.
  *                          Default false.
  * @return bool|string True if bootstrap successfully populated `$current_blog` and `$current_site`.
  *                     False if bootstrap could not be properly completed.
  *                     Redirect URL if parts exist, but the request as a whole can not be fulfilled.
  */
 function ms_load_current_site_and_network( $domain, $path, $subdomain = false ) {
 	global $current_site, $current_blog;
 
 	// If the network is defined in wp-config.php, we can simply use that.
 	if ( defined( 'DOMAIN_CURRENT_SITE' ) && defined( 'PATH_CURRENT_SITE' ) ) {
 		$current_site         = new stdClass;
 		$current_site->id     = defined( 'SITE_ID_CURRENT_SITE' ) ? SITE_ID_CURRENT_SITE : 1;
 		$current_site->domain = DOMAIN_CURRENT_SITE;
 		$current_site->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 ( 0 === strcasecmp( $current_site->domain, $domain ) && 0 === strcasecmp( $current_site->path, $path ) ) {
 			$current_blog = get_site_by_path( $domain, $path );
 		} elseif ( '/' !== $current_site->path && 0 === strcasecmp( $current_site->domain, $domain ) && 0 === stripos( $path, $current_site->path ) ) {
 			// If the current network has a path and also matches the domain and path of the request,
 			// we need to look for a site using the first path segment following the network's path.
 			$current_blog = get_site_by_path( $domain, $path, 1 + count( explode( '/', trim( $current_site->path, '/' ) ) ) );
 		} else {
 			// Otherwise, use the first path segment (as usual).
 			$current_blog = get_site_by_path( $domain, $path, 1 );
 		}
 	} elseif ( ! $subdomain ) {
 		/*
 		 * A "subdomain" installation can be re-interpreted to mean "can support any domain".
 		 * If we're not dealing with one of these installations, then the important part is determining
 		 * the network first, because we need the network's path to identify any sites.
 		 */
 		$current_site = wp_cache_get( 'current_network', 'site-options' );
 		if ( ! $current_site ) {
 			// Are there even two networks installed?
 			$networks = get_networks( array( 'number' => 2 ) );
 			if ( count( $networks ) === 1 ) {
 				$current_site = array_shift( $networks );
 				wp_cache_add( 'current_network', $current_site, 'site-options' );
 			} elseif ( empty( $networks ) ) {
 				// A network not found hook should fire here.
 				return false;
 			}
 		}
 
 		if ( empty( $current_site ) ) {
 			$current_site = WP_Network::get_by_path( $domain, $path, 1 );
 		}
 
 		if ( empty( $current_site ) ) {
 			/**
 			 * Fires when a network cannot be found based on the requested domain and path.
 			 *
 			 * At the time of this action, the only recourse is to redirect somewhere
 			 * and exit. If you want to declare a particular network, do so earlier.
 			 *
 			 * @since 4.4.0
 			 *
 			 * @param string $domain       The domain used to search for a network.
 			 * @param string $path         The path used to search for a path.
 			 */
 			do_action( 'ms_network_not_found', $domain, $path );
 
 			return false;
 		} elseif ( $path === $current_site->path ) {
 			$current_blog = get_site_by_path( $domain, $path );
 		} else {
 			// Search the network path + one more path segment (on top of the network path).
 			$current_blog = get_site_by_path( $domain, $path, substr_count( $current_site->path, '/' ) );
 		}
 	} else {
 		// Find the site by the domain and at most the first path segment.
 		$current_blog = get_site_by_path( $domain, $path, 1 );
 		if ( $current_blog ) {
 			$current_site = WP_Network::get_instance( $current_blog->site_id ? $current_blog->site_id : 1 );
 		} else {
 			// If you don't have a site with the same domain/path as a network, you're pretty screwed, but:
 			$current_site = WP_Network::get_by_path( $domain, $path, 1 );
 		}
 	}
 
 	// The network declared by the site trumps any constants.
 	if ( $current_blog && $current_blog->site_id != $current_site->id ) {
 		$current_site = WP_Network::get_instance( $current_blog->site_id );
 	}
 
 	// No network has been found, bail.
 	if ( empty( $current_site ) ) {
 		/** This action is documented in wp-includes/ms-settings.php */
 		do_action( 'ms_network_not_found', $domain, $path );
 
 		return false;
 	}
 
 	// During activation of a new subdomain, the requested site does not yet exist.
 	if ( empty( $current_blog ) && wp_installing() ) {
 		$current_blog          = new stdClass;
 		$current_blog->blog_id = 1;
 		$blog_id               = 1;
 		$current_blog->public  = 1;
 	}
 
 	// No site has been found, bail.
 	if ( empty( $current_blog ) ) {
 		// We're going to redirect to the network URL, with some possible modifications.
 		$scheme      = is_ssl() ? 'https' : 'http';
 		$destination = "$scheme://{$current_site->domain}{$current_site->path}";
 
 		/**
 		 * Fires when a network can be determined but a site cannot.
 		 *
 		 * At the time of this action, the only recourse is to redirect somewhere
 		 * and exit. If you want to declare a particular site, do so earlier.
 		 *
 		 * @since 3.9.0
 		 *
 		 * @param WP_Network $current_site The network that had been determined.
 		 * @param string     $domain       The domain used to search for a site.
 		 * @param string     $path         The path used to search for a site.
 		 */
 		do_action( 'ms_site_not_found', $current_site, $domain, $path );
 
 		if ( $subdomain && ! defined( 'NOBLOGREDIRECT' ) ) {
 			// For a "subdomain" installation, redirect to the signup form specifically.
 			$destination .= 'wp-signup.php?new=' . str_replace( '.' . $current_site->domain, '', $domain );
 		} elseif ( $subdomain ) {
 			/*
 			 * For a "subdomain" installation, the NOBLOGREDIRECT constant
 			 * can be used to avoid a redirect to the signup form.
 			 * Using the ms_site_not_found action is preferred to the constant.
 			 */
 			if ( '%siteurl%' !== NOBLOGREDIRECT ) {
 				$destination = NOBLOGREDIRECT;
 			}
 		} elseif ( 0 === strcasecmp( $current_site->domain, $domain ) ) {
 			/*
 			 * If the domain we were searching for matches the network's domain,
 			 * it's no use redirecting back to ourselves -- it'll cause a loop.
 			 * As we couldn't find a site, we're simply not installed.
 			 */
 			return false;
 		}
 
 		return $destination;
 	}
 
 	// Figure out the current network's main site.
 	if ( empty( $current_site->blog_id ) ) {
 		$current_site->blog_id = get_main_site_id( $current_site->id );
 	}
 
 	return true;
 }
 
 /**
  * Displays a failure message.
  *
  * Used when a blog's tables do not exist. Checks for a missing $wpdb->site table as well.
  *
  * @access private
  * @since 3.0.0
  * @since 4.4.0 The `$domain` and `$path` parameters were added.
  *
  * @global wpdb $wpdb WordPress database abstraction object.
  *
  * @param string $domain The requested domain for the error to reference.
  * @param string $path   The requested path for the error to reference.
  */
 function ms_not_installed( $domain, $path ) {
 	global $wpdb;
 
 	if ( ! is_admin() ) {
 		dead_db();
 	}
 
 	wp_load_translations_early();
 
 	$title = __( 'Error establishing a database connection' );
 
 	$msg   = '<h1>' . $title . '</h1>';
 	$msg  .= '<p>' . __( '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.' ) . '</p>';
 	$query = $wpdb->prepare( 'SHOW TABLES LIKE %s', $wpdb->esc_like( $wpdb->site ) );
 	if ( ! $wpdb->get_var( $query ) ) {
 		$msg .= '<p>' . sprintf(
 			/* translators: %s: Table name. */
 			__( '<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.' ),
 			'<code>' . $wpdb->site . '</code>'
 		) . '</p>';
 	} else {
 		$msg .= '<p>' . sprintf(
 			/* translators: 1: Site URL, 2: Table name, 3: Database name. */
 			__( '<strong>Could not find site %1$s.</strong> Searched for table %2$s in database %3$s. Is that right?' ),
 			'<code>' . rtrim( $domain . $path, '/' ) . '</code>',
 			'<code>' . $wpdb->blogs . '</code>',
 			'<code>' . DB_NAME . '</code>'
 		) . '</p>';
 	}
 	$msg .= '<p><strong>' . __( 'What do I do now?' ) . '</strong> ';
 	$msg .= sprintf(
 		/* translators: %s: Documentation URL. */
 		__( 'Read the <a href="%s" target="_blank">Debugging a WordPress Network</a> article. Some of the suggestions there may help you figure out what went wrong.' ),
 		__( 'https://wordpress.org/support/article/debugging-a-wordpress-network/' )
 	);
 	$msg .= ' ' . __( 'If you&#8217;re still stuck with this message, then check that your database contains the following tables:' ) . '</p><ul>';
 	foreach ( $wpdb->tables( 'global' ) as $t => $table ) {
 		if ( 'sitecategories' === $t ) {
 			continue;
 		}
 		$msg .= '<li>' . $table . '</li>';
 	}
 	$msg .= '</ul>';
 
 	wp_die( $msg, $title, array( 'response' => 500 ) );
 }
 
 /**
  * This deprecated function formerly set the site_name property of the $current_site object.
  *
  * This function simply returns the object, as before.
  * The bootstrap takes care of setting site_name.
  *
  * @access private
  * @since 3.0.0
  * @deprecated 3.9.0 Use get_current_site() instead.
  *
  * @param WP_Network $current_site
  * @return WP_Network
  */
 function get_current_site_name( $current_site ) {
 	_deprecated_function( __FUNCTION__, '3.9.0', 'get_current_site()' );
 	return $current_site;
 }
 
 /**
  * This deprecated function managed much of the site and network loading in multisite.
  *
  * The current bootstrap code is now responsible for parsing the site and network load as
  * well as setting the global $current_site object.
  *
  * @access private
  * @since 3.0.0
  * @deprecated 3.9.0
  *
  * @global WP_Network $current_site
  *
  * @return WP_Network
  */
 function wpmu_current_site() {
 	global $current_site;
 	_deprecated_function( __FUNCTION__, '3.9.0' );
 	return $current_site;
 }
 
 /**
  * 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;
 }