if ( !isset( $current_site ) || !isset( $current_blog ) ) {
- $domain = addslashes( $_SERVER['HTTP_HOST'] );
- if ( false !== strpos( $domain, ':' ) ) {
- if ( substr( $domain, -3 ) == ':80' ) {
- $domain = substr( $domain, 0, -3 );
- $_SERVER['HTTP_HOST'] = substr( $_SERVER['HTTP_HOST'], 0, -3 );
- } elseif ( substr( $domain, -4 ) == ':443' ) {
- $domain = substr( $domain, 0, -4 );
- $_SERVER['HTTP_HOST'] = substr( $_SERVER['HTTP_HOST'], 0, -4 );
+ // 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 );
+ $_SERVER['HTTP_HOST'] = substr( $_SERVER['HTTP_HOST'], 0, -3 );
+ } elseif ( substr( $domain, -4 ) == ':443' ) {
+ $domain = substr( $domain, 0, -4 );
+ $_SERVER['HTTP_HOST'] = substr( $_SERVER['HTTP_HOST'], 0, -4 );
+ }
+
+ $path = stripslashes( $_SERVER['REQUEST_URI'] );
+ if ( is_admin() ) {
+ $path = preg_replace( '#(.*)/wp-admin/.*#', '$1/', $path );
+ }
+ 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 {
- wp_die( /*WP_I18N_NO_PORT_NUMBER*/'Multisite only works without the port number in the URL.'/*/WP_I18N_NO_PORT_NUMBER*/ );
+ // Otherwise, use the first path segment (as usual).
+ $current_blog = get_site_by_path( $domain, $path, 1 );
}
- }
- $domain = rtrim( $domain, '.' );
- $cookie_domain = $domain;
- if ( substr( $cookie_domain, 0, 4 ) == 'www.' )
- $cookie_domain = substr( $cookie_domain, 4 );
-
- $path = preg_replace( '|([a-z0-9-]+.php.*)|', '', $_SERVER['REQUEST_URI'] );
- $path = str_replace ( '/wp-admin/', '/', $path );
- $path = preg_replace( '|(/[a-z0-9-]+?/).*|', '$1', $path );
-
- $current_site = wpmu_current_site();
- if ( ! isset( $current_site->blog_id ) )
- $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 ) );
-
- if ( is_subdomain_install() ) {
- $current_blog = wp_cache_get( 'current_blog_' . $domain, 'site-options' );
- if ( !$current_blog ) {
- $current_blog = get_blog_details( array( 'domain' => $domain ), false );
- if ( $current_blog )
- wp_cache_set( 'current_blog_' . $domain, $current_blog, 'site-options' );
+ } 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 ( $current_blog && $current_blog->site_id != $current_site->id ) {
- $current_site = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $wpdb->site WHERE id = %d", $current_blog->site_id ) );
- if ( ! isset( $current_site->blog_id ) )
- $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 ) );
- } else
- $blogname = substr( $domain, 0, strpos( $domain, '.' ) );
} else {
- $blogname = htmlspecialchars( substr( $_SERVER[ 'REQUEST_URI' ], strlen( $path ) ) );
- if ( false !== strpos( $blogname, '/' ) )
- $blogname = substr( $blogname, 0, strpos( $blogname, '/' ) );
- if ( false !== strpos( $blogname, '?' ) )
- $blogname = substr( $blogname, 0, strpos( $blogname, '?' ) );
- $reserved_blognames = array( 'page', 'comments', 'blog', 'wp-admin', 'wp-includes', 'wp-content', 'files', 'feed' );
- if ( $blogname != '' && ! in_array( $blogname, $reserved_blognames ) && ! is_file( $blogname ) )
- $path .= $blogname . '/';
- $current_blog = wp_cache_get( 'current_blog_' . $domain . $path, 'site-options' );
- if ( ! $current_blog ) {
- $current_blog = get_blog_details( array( 'domain' => $domain, 'path' => $path ), false );
- if ( $current_blog )
- wp_cache_set( 'current_blog_' . $domain . $path, $current_blog, 'site-options' );
+ // 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, $path, 1 );
}
- unset($reserved_blognames);
}
- if ( ! defined( 'WP_INSTALLING' ) && is_subdomain_install() && ! is_object( $current_blog ) ) {
- if ( defined( 'NOBLOGREDIRECT' ) ) {
- $destination = NOBLOGREDIRECT;
- if ( '%siteurl%' == $destination )
- $destination = "http://" . $current_site->domain . $current_site->path;
- } else {
- $destination = 'http://' . $current_site->domain . $current_site->path . 'wp-signup.php?new=' . str_replace( '.' . $current_site->domain, '', $domain );
+ // 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 );
- die();
+ exit;
}
- if ( ! defined( 'WP_INSTALLING' ) ) {
- if ( $current_site && ! $current_blog ) {
- if ( $current_site->domain != $_SERVER[ 'HTTP_HOST' ] ) {
- header( 'Location: http://' . $current_site->domain . $current_site->path );
- exit;
- }
- $current_blog = get_blog_details( array( 'domain' => $current_site->domain, 'path' => $current_site->path ), false );
+ // @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' );
}
- if ( ! $current_blog || ! $current_site )
- ms_not_installed();
}
$blog_id = $current_blog->blog_id;
$public = $current_blog->public;
- if ( empty( $current_blog->site_id ) )
+ if ( empty( $current_blog->site_id ) ) {
+ // This dates to [MU134] and shouldn't be relevant anymore,
+ // but it could be possible for arguments passed to insert_blog() etc.
$current_blog->site_id = 1;
- $site_id = $current_blog->site_id;
-
- $current_site = get_current_site_name( $current_site );
-
- if ( ! $blog_id ) {
- if ( defined( 'WP_INSTALLING' ) ) {
- $current_blog->blog_id = $blog_id = 1;
- } else {
- $msg = ! $wpdb->get_var( "SHOW TABLES LIKE '$wpdb->site'" ) ? ' ' . /*WP_I18N_TABLES_MISSING*/'Database tables are missing.'/*/WP_I18N_TABLES_MISSING*/ : '';
- wp_die( /*WP_I18N_NO_BLOG*/'No site by that name on this system.'/*/WP_I18N_NO_BLOG*/ . $msg );
- }
}
+
+ $site_id = $current_blog->site_id;
+ wp_load_core_site_options( $site_id );
}
+
$wpdb->set_prefix( $table_prefix, false ); // $table_prefix can be set in sunrise.php
$wpdb->set_blog_id( $current_blog->blog_id, $current_blog->site_id );
$table_prefix = $wpdb->get_blog_prefix();
+$_wp_switched_stack = array();
+$switched = false;
// 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 );
+ }
+}
+
// Define upload directory constants
ms_upload_constants();