wp/wp-includes/ms-settings.php
changeset 7 cf61fcea0001
parent 5 5e2f62d02dcd
child 9 177826044cd9
--- a/wp/wp-includes/ms-settings.php	Tue Jun 09 11:14:17 2015 +0000
+++ b/wp/wp-includes/ms-settings.php	Mon Oct 14 17:39:30 2019 +0200
@@ -10,8 +10,37 @@
  * @since 3.0.0
  */
 
-/** Include Multisite initialization functions */
+/**
+ * Objects representing the current network and current site.
+ *
+ * These may be populated through a custom `sunrise.php`. If not, then this
+ * file will attempt to populate them based on the current request.
+ *
+ * @global WP_Network $current_site The current network.
+ * @global object     $current_blog The current site.
+ * @global string     $domain       Deprecated. The domain of the site found on load.
+ *                                  Use `get_site()->domain` instead.
+ * @global string     $path         Deprecated. The path of the site found on load.
+ *                                  Use `get_site()->path` instead.
+ * @global int        $site_id      Deprecated. The ID of the network found on load.
+ *                                  Use `get_current_network_id()` instead.
+ * @global bool       $public       Deprecated. Whether the site found on load is public.
+ *                                  Use `get_site()->public` instead.
+ *
+ * @since 3.0.0
+ */
+global $current_site, $current_blog, $domain, $path, $site_id, $public;
+
+/** WP_Network class */
+require_once( ABSPATH . WPINC . '/class-wp-network.php' );
+
+/** WP_Site class */
+require_once( ABSPATH . WPINC . '/class-wp-site.php' );
+
+/** Multisite loader */
 require_once( ABSPATH . WPINC . '/ms-load.php' );
+
+/** Default Multisite constants */
 require_once( ABSPATH . WPINC . '/ms-default-constants.php' );
 
 if ( defined( 'SUNRISE' ) ) {
@@ -21,12 +50,10 @@
 /** Check for and define SUBDOMAIN_INSTALL and the deprecated VHOST constant. */
 ms_subdomain_constants();
 
+// This block will process a request if the current network or current site objects
+// have not been populated in the global scope through something like `sunrise.php`.
 if ( !isset( $current_site ) || !isset( $current_blog ) ) {
 
-	// Given the domain and path, let's try to identify the network and site.
-	// Usually, it's easier to query the site first, which declares its network.
-	// In limited situations, though, we either can or must find the network first.
-
 	$domain = strtolower( stripslashes( $_SERVER['HTTP_HOST'] ) );
 	if ( substr( $domain, -3 ) == ':80' ) {
 		$domain = substr( $domain, 0, -3 );
@@ -42,143 +69,17 @@
 	}
 	list( $path ) = explode( '?', $path );
 
-	// 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 );
-		}
+	$bootstrap_result = ms_load_current_site_and_network( $domain, $path, is_subdomain_install() );
 
-	} elseif ( ! is_subdomain_install() ) {
-		/*
-		 * A "subdomain" install can be re-interpreted to mean "can support any domain".
-		 * If we're not dealing with one of these installs, then the important part is determining
-		 * the network first, because we need the network's path to identify any sites.
-		 */
-		if ( ! $current_site = wp_cache_get( 'current_network', 'site-options' ) ) {
-			// Are there even two networks installed?
-			$one_network = $wpdb->get_row( "SELECT * FROM $wpdb->site LIMIT 2" ); // [sic]
-			if ( 1 === $wpdb->num_rows ) {
-				$current_site = wp_get_network( $one_network );
-				wp_cache_add( 'current_network', $current_site, 'site-options' );
-			} elseif ( 0 === $wpdb->num_rows ) {
-				ms_not_installed();
-			}
-		}
-		if ( empty( $current_site ) ) {
-			$current_site = get_network_by_path( $domain, $path, 1 );
-		}
-
-		if ( empty( $current_site ) ) {
-			ms_not_installed();
-		} 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, '/' ) );
-		}
+	if ( true === $bootstrap_result ) {
+		// `$current_blog` and `$current_site are now populated.
+	} elseif ( false === $bootstrap_result ) {
+		ms_not_installed( $domain, $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_get_network( $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 = get_network_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_get_network( $current_blog->site_id );
-	}
-
-	// No network has been found, bail.
-	if ( empty( $current_site ) ) {
-		ms_not_installed();
-	}
-
-	// @todo Investigate when exactly this can occur.
-	if ( empty( $current_blog ) && defined( 'WP_INSTALLING' ) ) {
-		$current_blog = new stdClass;
-		$current_blog->blog_id = $blog_id = 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 object $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 ( is_subdomain_install() && ! defined( 'NOBLOGREDIRECT' ) ) {
-			// For a "subdomain" install, redirect to the signup form specifically.
-			$destination .= 'wp-signup.php?new=' . str_replace( '.' . $current_site->domain, '', $domain );
-		} elseif ( is_subdomain_install() ) {
-			// For a "subdomain" install, 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.
-			 */
-			ms_not_installed();
-		}
-
-		header( 'Location: ' . $destination );
+		header( 'Location: ' . $bootstrap_result );
 		exit;
 	}
-
-	// @todo What if the domain of the network doesn't match the current site?
-	$current_site->cookie_domain = $current_site->domain;
-	if ( 'www.' === substr( $current_site->cookie_domain, 0, 4 ) ) {
-		$current_site->cookie_domain = substr( $current_site->cookie_domain, 4 );
-	}
-
-	// Figure out the current network's main site.
-	if ( ! isset( $current_site->blog_id ) ) {
-		if ( $current_blog->domain === $current_site->domain && $current_blog->path === $current_site->path ) {
-			$current_site->blog_id = $current_blog->blog_id;
-		} elseif ( ! $current_site->blog_id = wp_cache_get( 'network:' . $current_site->id . ':main_site', 'site-options' ) ) {
-			$current_site->blog_id = $wpdb->get_var( $wpdb->prepare( "SELECT blog_id FROM $wpdb->blogs WHERE domain = %s AND path = %s",
-				$current_site->domain, $current_site->path ) );
-			wp_cache_add( 'network:' . $current_site->id . ':main_site', $current_site->blog_id, 'site-options' );
-		}
-	}
+	unset( $bootstrap_result );
 
 	$blog_id = $current_blog->blog_id;
 	$public  = $current_blog->public;
@@ -202,12 +103,21 @@
 // need to init cache again after blog_id is set
 wp_start_object_cache();
 
-if ( ! isset( $current_site->site_name ) ) {
-	$current_site->site_name = get_site_option( 'site_name' );
-	if ( ! $current_site->site_name ) {
-		$current_site->site_name = ucfirst( $current_site->domain );
-	}
+if ( ! $current_site instanceof WP_Network ) {
+	$current_site = new WP_Network( $current_site );
+}
+
+if ( ! $current_blog instanceof WP_Site ) {
+	$current_blog = new WP_Site( $current_blog );
 }
 
 // Define upload directory constants
 ms_upload_constants();
+
+/**
+ * Fires after the current site and network have been detected and loaded
+ * in multisite's bootstrap.
+ *
+ * @since 4.6.0
+ */
+do_action( 'ms_loaded' );