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Ticket #34941: 34941.3.diff

File 34941.3.diff, 38.0 KB (added by jeremyfelt, 10 years ago)

src/wp-includes/ms-load.php

+}
 /**
+ * Identify the network and site of a requested domain and path and populate 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.
+ *
+ * @access private
+ * @since 4.6.0
+ *
+ * @global wpdb       $wpdb
+ * @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   $subdomain Whether a subdomain (true) or subdirectory (false) configuration.
+ *
+ * @return bool|string True if bootstrap successfully populated `$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.
+ *
  * Used when a blog's tables do not exist. Checks for a missing $wpdb->site table as well.

src/wp-includes/ms-settings.php

 /** 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;
+                }
+        $bootstrap_result = ms_load_current_site_and_network( $domain, $path, is_subdomain_install() );
+                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 = new WP_Network( $one_network );
+                                wp_cache_add( 'current_network', $current_site, 'site-options' );
+                        } elseif ( 0 === $wpdb->num_rows ) {
+                                ms_not_installed( $domain, $path );
+                        }
+                }
+                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 );
+                        ms_not_installed( $domain, $path );
+                } 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_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 );
+                ms_not_installed( $domain, $path );
+        }
+        // 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 ( 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( $domain, $path );
+                }
+                header( 'Location: ' . $destination );
+                header( 'Location: ' . $bootstrap_result );
                 exit;
+        }
+        unset( $bootstrap_result );
-        // 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' );
+                }
+        }
         $blog_id = $current_blog->blog_id;
         $public  = $current_blog->public;

tests/phpunit/tests/multisite/bootstrap.php

                 parent::tearDown();
+        }
         /**
          * @ticket 27003
          */
 …
         /**
          * @ticket 27884
          */
         function test_multisite_bootstrap() {
                 global $current_blog;
+        function test_ms_load_current_site_and_network_as_subdirectory_with_default_path_segments() {
+                global $current_blog, $current_site;
                 $network_ids = array(
                         'wordpress.org/'         => array( 'domain' => 'wordpress.org', 'path' => '/' ),
 …
+                }
                 unset( $id );
+                $this->_setup_host_request( 'wordpress.org', '/' );
+                $this->assertEquals( $ids['wordpress.org/'], $current_blog->blog_id );
+                $this->assertEquals( $network_ids['wordpress.org/'], $current_blog->site_id );
+                $requests = array(
+                        'wordpress.org/' => array(
+                                'network_id' => $network_ids['wordpress.org/'],
+                                'site_id'    => $ids['wordpress.org/'],
+                                'domain'     => 'wordpress.org',
+                                'path'       => '/',
+                                'response'   => true,
+                                'message'    => false,
+                        ),
+                        'wordpress.org/2014/04/23/hello-world/' => array(
+                                'network_id' => $network_ids['wordpress.org/'],
+                                'site_id'    => $ids['wordpress.org/'],
+                                'domain'     => 'wordpress.org',
+                                'path'       => '/2014/04/23/hello-world/',
+                                'response'   => true,
+                                'message'    => 'A post or 404 on a site should result in the correct site and network.',
+                        ),
+                        'wordpress.org/sample-page/' => array(
+                                'network_id' => $network_ids['wordpress.org/'],
+                                'site_id'    => $ids['wordpress.org/'],
+                                'domain'     => 'wordpress.org',
+                                'path'       => '/sample-page/',
+                                'response'   => true,
+                                'message'    => 'A page or 404 on a site should result in the correct site and network.',
+                        ),
+                        'wordpress.org/?p=1' => array(
+                                'network_id' => $network_ids['wordpress.org/'],
+                                'site_id'    => $ids['wordpress.org/'],
+                                'domain'     => 'wordpress.org',
+                                'path'       => '/?p=1',
+                                'response'   => true,
+                                'message'    => 'A non pretty-permalink URL should result in the correct site and network.',
+                        ),
+                        'wordpress.org/wp-admin/' => array(
+                                'network_id' => $network_ids['wordpress.org/'],
+                                'site_id'    => $ids['wordpress.org/'],
+                                'domain'     => 'wordpress.org',
+                                'path'       => '/wp-admin/',
+                                'response'   => true,
+                                'message'    => 'The standard admin area of the main site should load the correct site and network.',
+                        ),
+                        'wordpress.org/wp-admin/network/' => array(
+                                'network_id' => $network_ids['wordpress.org/'],
+                                'site_id'    => $ids['wordpress.org/'],
+                                'domain'     => 'wordpress.org',
+                                'path'       => '/',
+                                'response'   => true,
+                                'message'    => 'The network admin area of the main site should load the correct site and network.',
+                        ),
+                        // See #17376, this is not correct behavior.
+                        'wordpress.org/invalid/wp-admin/users.php' => array(
+                                'network_id' => $network_ids['wordpress.org/'],
+                                'site_id'    => $ids['wordpress.org/'],
+                                'domain'     => 'wordpress.org',
+                                'path'       => '/',
+                                'response'   => true,
+                                'message'    => 'If wp-admin is requested after an invalid path, the parent site and network should still load.',
+                        ),
+                        // See #17376, this is not correct behavior.
+                        'wordpress.org/invalid/wp-admin/network/users.php' => array(
+                                'network_id' => $network_ids['wordpress.org/'],
+                                'site_id'    => $ids['wordpress.org/'],
+                                'domain'     => 'wordpress.org',
+                                'path'       => '/',
+                                'response'   => true,
+                                'message'    => 'Valid',
+                        ),
+                        'wordpress.org/foo/' => array(
+                                'network_id' => $network_ids['wordpress.org/'],
+                                'site_id'    => $ids['wordpress.org/foo/'],
+                                'domain'     => 'wordpress.org',
+                                'path'       => '/foo/',
+                                'response'   => true,
+                                'message'    => 'A valid sub-site should load the correct site and network.',
+                        ),
+                        'wordpress.org/FOO/' => array(
+                                'network_id' => $network_ids['wordpress.org/'],
+                                'site_id'    => $ids['wordpress.org/foo/'],
+                                'domain'     => 'wordpress.org',
+                                'path'       => '/FOO/',
+                                'response'   => true,
+                                'message'    => 'A valid sub-site should not be case sensitive.',
+                        ),
+                        'wordpress.org/foo/2014/04/23/hello-world/' => array(
+                                'network_id' => $network_ids['wordpress.org/'],
+                                'site_id'    => $ids['wordpress.org/foo/'],
+                                'domain'     => 'wordpress.org',
+                                'path'       => '/foo/2014/04/23/hello-world/',
+                                'response'   => true,
+                                'message'    => 'A post or 404 on a valid sub site should load the correct site and network.',
+                        ),
+                        'wordpress.org/foo/sample-page/' => array(
+                                'network_id' => $network_ids['wordpress.org/'],
+                                'site_id'    => $ids['wordpress.org/foo/'],
+                                'domain'     => 'wordpress.org',
+                                'path'       => '/foo/sample-page/',
+                                'response'   => true,
+                                'message'    => 'A page or 404 on a valid sub site should load the correct site and network.',
+                        ),
+                        'wordpress.org/foo/?p=1' => array(
+                                'network_id' => $network_ids['wordpress.org/'],
+                                'site_id'    => $ids['wordpress.org/foo/'],
+                                'domain'     => 'wordpress.org',
+                                'path'       => '/foo/?p=1',
+                                'response'   => true,
+                                'message'    => 'A non pretty-permalink URL on a valid sub site should load the correct site and network.',
+                        ),
+                        'wordpress.org/foo/wp-admin/' => array(
+                                'network_id' => $network_ids['wordpress.org/'],
+                                'site_id'    => $ids['wordpress.org/foo/'],
+                                'domain'     => 'wordpress.org',
+                                'path'       => '/foo/wp-admin/',
+                                'response'   => true,
+                                'message'    => 'If wp-admin is requested on a valid sub-site, the correct network and site should load.',
+                        ),
+                        // This will eventually redirect to the main site, but not during bootstrap.
+                        'wordpress.org/foo/wp-admin/network/' => array(
+                                'network_id' => $network_ids['wordpress.org/'],
+                                'site_id'    => $ids['wordpress.org/foo/'],
+                                'domain'    => 'wordpress.org',
+                                'path'      => '/foo/wp-admin/network/',
+                                'response'  => true,
+                                'message'   => 'If the network admin is requested on a valid sub-site, the correct network and site should still populate.',
+                        ),
+                        'make.wordpress.org/' => array(
+                                'network_id' => $network_ids['make.wordpress.org/'],
+                                'site_id'    => $ids['make.wordpress.org/'],
+                                'domain'     => 'make.wordpress.org',
+                                'path'       => '/',
+                                'response'   => true,
+                                'message'    => false,
+                        ),
+                        'make.wordpress.org/foo/' => array(
+                                'network_id' => $network_ids['make.wordpress.org/'],
+                                'site_id'    => $ids['make.wordpress.org/foo/'],
+                                'domain'     => 'make.wordpress.org',
+                                'path'       => '/foo/',
+                                'response'   => true,
+                                'message'    => false,
+                        ),
+                        'core.wordpress.org/' => array(
+                                'domain'   => 'core.wordpress.org',
+                                'path'     => '/',
+                                'response' => 'http://wordpress.org/',
+                                'message'  => 'An invalid subdomain should redirect to the top level network address.',
+                        ),
+                        'invalidsite.org/' => array(
+                                'domain'   => 'invalidsite.org',
+                                'path'     => '/',
+                                'response' => false,
+                                'message'  => 'An invalid site/network should result in false.',
+                        ),
+                        'sub.invalidsite.org/' => array(
+                                'domain'   => 'invalidsite.org',
+                                'path'     => '/',
+                                'response' => false,
+                                'message'  => 'An invalid subdomain for an invalid top level domain should result in false.',
+                        ),
+                );
+                $this->_setup_host_request( 'wordpress.org', '/2014/04/23/hello-world/' );
+                $this->assertEquals( $ids['wordpress.org/'], $current_blog->blog_id );
+                $this->assertEquals( $network_ids['wordpress.org/'], $current_blog->site_id );
+                /**
+                 * Loop through the possible requests and assert that the proper string/true/false response is received
+                 * from `ms_bootstrap`.
+                 *
+                 * In cases where a successful response is expected, the blog_id and site_id properties of `$current_blog`
+                 * should also be checked.
+                 */
+                foreach( $requests as $request_url => $request_data ) {
+                        $requests[ $request_url ]['actual']['response'] = ms_load_current_site_and_network( $request_data['domain'], $request_data['path'], false );
+                $this->_setup_host_request( 'wordpress.org', '/sample-page/' );
+                $this->assertEquals( $ids['wordpress.org/'], $current_blog->blog_id );
+                $this->assertEquals( $network_ids['wordpress.org/'], $current_blog->site_id );
+                        if ( true === $request_data['response'] ) {
+                                $requests[ $request_url ]['actual']['blog_id'] = $current_blog->blog_id;
+                                $requests[ $request_url ]['actual']['site_id'] = $current_site->id;
+                        }
+                }
+                $this->_setup_host_request( 'wordpress.org', '/?p=1' );
+                $this->assertEquals( $ids['wordpress.org/'], $current_blog->blog_id );
+                $this->assertEquals( $network_ids['wordpress.org/'], $current_blog->site_id );
+                // Request the original tests domain and path to unpollute the stack.
+                ms_load_current_site_and_network( WP_TESTS_DOMAIN, '/' );
+                $this->_setup_host_request( 'wordpress.org', '/wp-admin/' );
+                $this->assertEquals( $ids['wordpress.org/'], $current_blog->blog_id );
+                $this->assertEquals( $network_ids['wordpress.org/'], $current_blog->site_id );
+                // Process assertions against expected and actual.
+                foreach( $requests as $request_data ) {
+                        $message = $request_data['domain'] . $request_data['path'] . ' ' . $request_data['message'];
+                        $this->assertEquals( $request_data['response'], $request_data['actual']['response'], $message );
+                $this->_setup_host_request( 'wordpress.org', '/foo/' );
+                $this->assertEquals( $ids['wordpress.org/foo/'], $current_blog->blog_id );
+                $this->assertEquals( $network_ids['wordpress.org/'], $current_blog->site_id );
+                        if ( true === $request_data['response'] ) {
+                                $this->assertEquals( $request_data['site_id'], $request_data['actual']['blog_id'], $message );
+                                $this->assertEquals( $request_data['network_id'], $request_data['actual']['site_id'], $message );
+                        }
+                }
+        }
+                $this->_setup_host_request( 'wordpress.org', '/FOO/' );
+                $this->assertEquals( $ids['wordpress.org/foo/'], $current_blog->blog_id );
+                $this->assertEquals( $network_ids['wordpress.org/'], $current_blog->site_id );
+        /**
+         * @ticket 27884
+         */
+        function test_ms_load_current_site_and_network_as_subdirectory_with_multiple_path_segments() {
+                global $current_blog, $current_site;
                 $this->_setup_host_request( 'wordpress.org', '/foo/2014/04/23/hello-world/' );
                 $this->assertEquals( $ids['wordpress.org/foo/'], $current_blog->blog_id );
                 $this->assertEquals( $network_ids['wordpress.org/'], $current_blog->site_id );
+                $network_ids = array(
+                        'wordpress.org/'         => array( 'domain' => 'wordpress.org', 'path' => '/' ),
+                );
+                $this->_setup_host_request( 'wordpress.org', '/foo/sample-page/' );
+                $this->assertEquals( $ids['wordpress.org/foo/'], $current_blog->blog_id );
+                $this->assertEquals( $network_ids['wordpress.org/'], $current_blog->site_id );
+                foreach ( $network_ids as &$id ) {
+                        $id = self::factory()->network->create( $id );
+                }
+                unset( $id );
+                $this->_setup_host_request( 'wordpress.org', '/foo/?p=1' );
+                $this->assertEquals( $ids['wordpress.org/foo/'], $current_blog->blog_id );
+                $this->assertEquals( $network_ids['wordpress.org/'], $current_blog->site_id );
+                $ids = array(
+                        'wordpress.org/'              => array( 'domain' => 'wordpress.org',      'path' => '/',         'site_id' => $network_ids['wordpress.org/'] ),
+                        'wordpress.org/foo/'          => array( 'domain' => 'wordpress.org',      'path' => '/foo/',     'site_id' => $network_ids['wordpress.org/'] ),
+                        'wordpress.org/foo/bar/'      => array( 'domain' => 'wordpress.org',      'path' => '/foo/bar/', 'site_id' => $network_ids['wordpress.org/'] ),
+                );
+                $this->_setup_host_request( 'wordpress.org', '/foo/wp-admin/' );
+                $this->assertEquals( $ids['wordpress.org/foo/'], $current_blog->blog_id );
+                $this->assertEquals( $network_ids['wordpress.org/'], $current_blog->site_id );
+                foreach ( $ids as &$id ) {
+                        $id = self::factory()->blog->create( $id );
+                }
+                unset( $id );
+                // @todo not currently passing.
+                //$this->_setup_host_request( 'wordpress.org', '/foo/bar/' );
+                //$this->assertEquals( $ids['wordpress.org/foo/bar/'], $current_blog->blog_id );
+                //$this->assertEquals( $network_ids['wordpress.org/'], $current_blog->site_id );
+                $requests = array(
+                        'wordpress.org/' => array(
+                                'network_id' => $network_ids['wordpress.org/'],
+                                'site_id'    => $ids['wordpress.org/'],
+                                'domain'     => 'wordpress.org',
+                                'path'       => '/',
+                                'response'   => true,
+                                'message'    => 'A site with 0 path segments should work when site_by_path_segments_count is 2.',
+                        ),
+                        'wordpress.org/foo/' => array(
+                                'network_id' => $network_ids['wordpress.org/'],
+                                'site_id'    => $ids['wordpress.org/foo/'],
+                                'domain'     => 'wordpress.org',
+                                'path'       => '/foo/',
+                                'response'   => true,
+                                'message'    => 'A site with 1 path segment should work when site_by_path_segments_count is 2.',
+                        ),
+                        'wordpress.org/foo/bar/' => array(
+                                'network_id' => $network_ids['wordpress.org/'],
+                                'site_id'    => $ids['wordpress.org/foo/bar/'],
+                                'domain'     => 'wordpress.org',
+                                'path'       => '/foo/bar/',
+                                'response'   => true,
+                                'message'    => 'A site with 2 path segments should work when site_by_path_segments_count is 3.',
+                        ),
+                        'wordpress.org/foo/bar/taco/' => array(
+                                'network_id' => $network_ids['wordpress.org/'],
+                                'site_id'    => $ids['wordpress.org/foo/bar/'],
+                                'domain'     => 'wordpress.org',
+                                'path'       => '/foo/bar/taco/',
+                                'response'   => true,
+                                'message'    => 'A request with 3 path segments should find its matching site with 2 path segments.',
+                        ),
+                        'wordpress.org/foo/taco/' => array(
+                                'network_id' => $network_ids['wordpress.org/'],
+                                'site_id'    => $ids['wordpress.org/foo/'],
+                                'domain'     => 'wordpress.org',
+                                'path'       => '/foo/taco/',
+                                'response'   => true,
+                                'message'    => 'A request with 2 path segments should find its matching site with 1 path segment.',
+                        ),
+                );
+                $this->_setup_host_request( 'make.wordpress.org', '/' );
+                $this->assertEquals( $ids['make.wordpress.org/'], $current_blog->blog_id );
+                $this->assertEquals( $network_ids['make.wordpress.org/'], $current_blog->site_id );
+                add_filter( 'site_by_path_segments_count', array( $this, 'site_by_path_segments_count' ) );
+                /**
+                 * Loop through the possible requests and assert that the proper string/true/false response is received
+                 * from `ms_bootstrap`.
+                 *
+                 * In cases where a successful response is expected, the blog_id and site_id properties of `$current_blog`
+                 * should also be checked.
+                 */
+                foreach( $requests as $request_url => $request_data ) {
+                        $requests[ $request_url ]['actual']['response'] = ms_load_current_site_and_network( $request_data['domain'], $request_data['path'], false );
+                $this->_setup_host_request( 'make.wordpress.org', '/foo/' );
+                $this->assertEquals( $ids['make.wordpress.org/foo/'], $current_blog->blog_id );
+                $this->assertEquals( $network_ids['make.wordpress.org/'], $current_blog->site_id );
+                        if ( true === $request_data['response'] ) {
+                                $requests[ $request_url ]['actual']['blog_id'] = $current_blog->blog_id;
+                                $requests[ $request_url ]['actual']['site_id'] = $current_site->id;
+                        }
+                }
+                remove_filter( 'site_by_path_segments_count', array( $this, 'site_by_path_segments_count' ) );
                 // Request the original tests domain and path to unpollute the stack.
+                $this->_setup_host_request( WP_TESTS_DOMAIN, '/' );
+                ms_load_current_site_and_network( WP_TESTS_DOMAIN, '/' );
+                // Process assertions against expected and actual.
+                foreach( $requests as $request_data ) {
+                        $message = $request_data['domain'] . $request_data['path'] . ' ' . $request_data['message'];
+                        $this->assertEquals( $request_data['response'], $request_data['actual']['response'], $message );
+                        if ( true === $request_data['response'] ) {
+                                $this->assertEquals( $request_data['site_id'], $request_data['actual']['blog_id'], $message );
+                                $this->assertEquals( $request_data['network_id'], $request_data['actual']['site_id'], $message );
+                        }
+                }
+        }
         /**
          * Reset various globals required for a 'clean' multisite boot.
+         * Used as a callback to test multiple site paths.
+         *
+         * The $wpdb and $table_prefix globals are required for ms-settings.php to
+         * load properly.
+         *
+         * @param string $domain HTTP_HOST of the bootstrap request.
+         * @param string $path   REQUEST_URI of the boot strap request.
+         * @return int
          */
+        function _setup_host_request( $domain, $path ) {
+                global $current_site, $current_blog, $table_prefix, $wpdb;
+        public function site_by_path_segments_count() {
+                return 2;
+        }
+                $table_prefix = WP_TESTS_TABLE_PREFIX;
+                $current_site = $current_blog = null;
+                $_SERVER['HTTP_HOST'] = $domain;
+                $_SERVER['REQUEST_URI'] = $path;
+        /**
+         * @ticket 27884
+         */
+        function test_ms_load_current_site_and_network_as_subdomain_with_default_path_segments() {
+                global $current_blog, $current_site;
+                include ABSPATH . '/wp-includes/ms-settings.php';
+                $network_ids = array(
+                        'wordpress.org/'      => array( 'domain' => 'wordpress.org',      'path' => '/' ),
+                        'make.wordpress.org/' => array( 'domain' => 'make.wordpress.org', 'path' => '/' ),
+                );
+                foreach ( $network_ids as &$id ) {
+                        $id = self::factory()->network->create( $id );
+                }
+                unset( $id );
+                $ids = array(
+                        'wordpress.org/'    => array( 'domain' => 'wordpress.org', 'path' => '/',      'site_id' => $network_ids['wordpress.org/'] ),
+                        'foo.org/'          => array( 'domain' => 'foo.org',       'path' => '/',      'site_id' => $network_ids['wordpress.org/'] ),
+                        'foo.org/taco/'     => array( 'domain' => 'foo.org',       'path' => '/taco/', 'site_id' => $network_ids['make.wordpress.org/'] ),
+                        'bar.foo.org/'      => array( 'domain' => 'bar.foo.org',   'path' => '/',      'site_id' => $network_ids['wordpress.org/'] ),
+                        'bar.foo.org/taco/' => array( 'domain' => 'bar.foo.org',   'path' => '/taco/', 'site_id' => $network_ids['make.wordpress.org/'] ),
+                );
+                foreach ( $ids as &$id ) {
+                        $id = self::factory()->blog->create( $id );
+                }
+                unset( $id );
+                $requests = array(
+                        'wordpress.org/' => array(
+                                'network_id' => $network_ids['wordpress.org/'],
+                                'site_id'    => $ids['wordpress.org/'],
+                                'domain'     => 'wordpress.org',
+                                'path'       => '/',
+                                'response'   => true,
+                                'message'    => 'A top level domain should work when the domain is the same as the network.',
+                        ),
+                        'foo.org/' => array(
+                                'network_id' => $network_ids['wordpress.org/'],
+                                'site_id'    => $ids['foo.org/'],
+                                'domain'     => 'foo.org',
+                                'path'       => '/',
+                                'response'   => true,
+                                'message'    => 'A top level domain should work when the domain is different from the network.',
+                        ),
+                        'bar.foo.org/' => array(
+                                'network_id' => $network_ids['wordpress.org/'],
+                                'site_id'    => $ids['bar.foo.org/'],
+                                'domain'     => 'bar.foo.org',
+                                'path'       => '/',
+                                'response'   => true,
+                                'message'    => 'A subdomain should work even when its top level domain is different from the network.',
+                        ),
+                        'foo.org/taco/' => array(
+                                'network_id' => $network_ids['make.wordpress.org/'],
+                                'site_id'    => $ids['foo.org/taco/'],
+                                'domain'     => 'foo.org',
+                                'path'       => '/taco/',
+                                'response'   => true,
+                                'message'    => 'Different paths attached to the same site domain can exist on different networks.',
+                        ),
+                        'bar.foo.org/taco/' => array(
+                                'network_id' => $network_ids['make.wordpress.org/'],
+                                'site_id'    => $ids['bar.foo.org/taco/'],
+                                'domain'     => 'bar.foo.org',
+                                'path'       => '/taco/',
+                                'response'   => true,
+                                'message'    => 'Different paths attached to the same site subdomain can exist on different networks.',
+                        ),
+                        'invalid.org' => array(
+                                'domain'   => 'invalid.org',
+                                'path'     => '/',
+                                'response' => false,
+                                'message'  => 'An invalid domain should not work.',
+                        ),
+                        'taco.foo.org/' => array(
+                                'domain'   => 'taco.foo.org',
+                                'path'     => '/',
+                                'response' => false,
+                                'message'  => 'An invalid subdomain should not redirect if the top level domain is not a network.',
+                        ),
+                        'taco.wordpress.org/' => array(
+                                'domain'   => 'taco.wordpress.org',
+                                'path'     => '/',
+                                'response' => 'http://wordpress.org/wp-signup.php?new=taco',
+                                'message'  => 'An invalid subdomain should redirect to signup if the top level domain is a network.',
+                        ),
+                );
+                /**
+                 * Loop through the possible requests and assert that the proper string/true/false response is received
+                 * from `ms_bootstrap`.
+                 *
+                 * In cases where a successful response is expected, the blog_id and site_id properties of `$current_blog`
+                 * should also be checked.
+                 */
+                foreach( $requests as $request_url => $request_data ) {
+                        $requests[ $request_url ]['actual']['response'] = ms_load_current_site_and_network( $request_data['domain'], $request_data['path'], true );
+                        if ( true === $request_data['response'] ) {
+                                $requests[ $request_url ]['actual']['blog_id'] = $current_blog->blog_id;
+                                $requests[ $request_url ]['actual']['site_id'] = $current_site->id;
+                        }
+                }
+                // Request the original tests domain and path to unpollute the stack.
+                ms_load_current_site_and_network( WP_TESTS_DOMAIN, '/' );
+                // Process assertions against expected and actual.
+                foreach( $requests as $request_data ) {
+                        $message = $request_data['domain'] . $request_data['path'] . ' ' . $request_data['message'];
+                        $this->assertEquals( $request_data['response'], $request_data['actual']['response'], $message );
+                        if ( true === $request_data['response'] ) {
+                                $this->assertEquals( $request_data['site_id'], $request_data['actual']['blog_id'], $message );
+                                $this->assertEquals( $request_data['network_id'], $request_data['actual']['site_id'], $message );
+                        }
+                }
+        }
+}

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Make WordPress Core

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Ticket #34941: 34941.3.diff

src/wp-includes/ms-load.php

src/wp-includes/ms-settings.php

tests/phpunit/tests/multisite/bootstrap.php

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