* @return true|string Returns true on success, or drop-in file to include.
*/
function ms_site_check() {
- $blog = get_blog_details();
/**
- * Filter checking the status of the current blog.
+ * Filters checking the status of the current blog.
*
* @since 3.0.0
*
if ( is_super_admin() )
return true;
+ $blog = get_blog_details();
+
if ( '1' == $blog->deleted ) {
if ( file_exists( WP_CONTENT_DIR . '/blog-deleted.php' ) )
return WP_CONTENT_DIR . '/blog-deleted.php';
* Retrieve the closest matching network for a domain and path.
*
* @since 3.9.0
- * @since 4.4.0 Converted to a wrapper for WP_Network::get_by_path()
+ *
+ * @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.
* Retrieve an object containing information about the requested network.
*
* @since 3.9.0
- * @since 4.4.0 Converted to leverage WP_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 ) {
- if ( ! is_object( $network ) ) {
- $network = WP_Network::get_instance( $network );
- } else {
- $network = new WP_Network( $network );
+ $network = get_network( $network );
+ if ( null === $network ) {
+ return false;
}
return $network;
* @return object|false Site object if successful. False when no site is found.
*/
function get_site_by_path( $domain, $path, $segments = null ) {
- global $wpdb;
-
$path_segments = array_filter( explode( '/', trim( $path, '/' ) ) );
/**
- * Filter the number of path segments to consider when searching for a site.
+ * Filters the number of path segments to consider when searching for a site.
*
* @since 3.9.0
*
$domains = array( $domain );
if ( 'www.' === substr( $domain, 0, 4 ) ) {
$domains[] = substr( $domain, 4 );
- $search_domains = "'" . implode( "', '", $wpdb->_escape( $domains ) ) . "'";
}
- if ( count( $paths ) > 1 ) {
- $search_paths = "'" . implode( "', '", $wpdb->_escape( $paths ) ) . "'";
+ $args = array(
+ 'domain__in' => $domains,
+ 'path__in' => $paths,
+ 'number' => 1,
+ );
+
+ if ( count( $domains ) > 1 ) {
+ $args['orderby']['domain_length'] = 'DESC';
}
- if ( count( $domains ) > 1 && count( $paths ) > 1 ) {
- $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" );
- } elseif ( count( $domains ) > 1 ) {
- $sql = $wpdb->prepare( "SELECT * FROM $wpdb->blogs WHERE path = %s", $paths[0] );
- $sql .= " AND domain IN ($search_domains) ORDER BY CHAR_LENGTH(domain) DESC LIMIT 1";
- $site = $wpdb->get_row( $sql );
- } elseif ( count( $paths ) > 1 ) {
- $sql = $wpdb->prepare( "SELECT * FROM $wpdb->blogs WHERE domain = %s", $domains[0] );
- $sql .= " AND path IN ($search_paths) ORDER BY CHAR_LENGTH(path) DESC LIMIT 1";
- $site = $wpdb->get_row( $sql );
- } else {
- $site = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $wpdb->blogs WHERE domain = %s AND path = %s", $domains[0], $paths[0] ) );
+ if ( count( $paths ) > 1 ) {
+ $args['orderby']['path_length'] = 'DESC';
}
+ $result = get_sites( $args );
+ $site = array_shift( $result );
+
if ( $site ) {
// @todo get_blog_details()
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 wpdb $wpdb WordPress database abstraction object.
+ * @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 $wpdb, $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" 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 = new WP_Network( $one_network );
+ wp_cache_add( 'current_network', $current_site, 'site-options' );
+ } elseif ( 0 === $wpdb->num_rows ) {
+ // 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 = $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 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 ( $subdomain && ! defined( 'NOBLOGREDIRECT' ) ) {
+ // For a "subdomain" install, redirect to the signup form specifically.
+ $destination .= 'wp-signup.php?new=' . str_replace( '.' . $current_site->domain, '', $domain );
+ } elseif ( $subdomain ) {
+ // 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.
+ */
+ return false;
+ }
+
+ return $destination;
+ }
+
+ // Figure out the current network's main site.
+ if ( empty( $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' );
+ }
+ }
+
+ return true;
+}
+
/**
* Displays a failure message.
*
* @return object
*/
function get_current_site_name( $current_site ) {
- _deprecated_function( __FUNCTION__, '3.9', 'get_current_site()' );
+ _deprecated_function( __FUNCTION__, '3.9.0', 'get_current_site()' );
return $current_site;
}
*/
function wpmu_current_site() {
global $current_site;
- _deprecated_function( __FUNCTION__, '3.9' );
+ _deprecated_function( __FUNCTION__, '3.9.0' );
return $current_site;
}
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