* @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.
+ * @since 3.0.0
+ */
+global $current_site, $current_blog;
+
+/** 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' ) ) {
/** 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 );
}
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 );
- }
-
- } 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, '/' ) );
- }
- } 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;
- }
+ $bootstrap_result = ms_load_current_site_and_network( $domain, $path, is_subdomain_install() );
- // 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 );
+ if ( true === $bootstrap_result ) {
+ // `$current_blog` and `$current_site are now populated.
+ } elseif ( false === $bootstrap_result ) {
+ ms_not_installed( $domain, $path );
+ } else {
+ 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;
// 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' );