Changeset 12885 for trunk/wp-includes/ms-load.php

Timestamp:

01/28/2010 04:09:52 PM (15 years ago)

Author:

wpmuguru

Message:

rearrage multisite initialization, remove deprecated $wpmuBaseTablePrefix, props nacin, see #11881

File:

• trunk/wp-includes/ms-load.php (modified) (2 diffs)

trunk/wp-includes/ms-load.php

@@ -1 +1 @@
 <?php
 /**
- * Used to setup and fix common variables and include
- * the WordPress procedural and class library.
- *
- * You should not have to change this file and allows
- * for some configuration in wp-config.php.
+ * These functions are needed to load Multisite.
+ *
+ * @since 3.0.0
+ *
+ * @package WordPress
+ * @subpackage Multisite
+ */
+
+/**
+ * Whether a subdomain configuration is enabled
  *
  * @since 3.0
  *
- * @package WordPress
+ * @return bool True if subdomain configuration is enabled, false otherwise.
  */
-if ( defined( 'SUNRISE' ) )
-    include_once( WP_CONTENT_DIR . '/sunrise.php' );
-
-require( ABSPATH . WPINC . '/ms-settings.php' );
-$wpdb->blogid = $current_blog->blog_id;
-$wpdb->siteid = $current_blog->site_id;
-$wpdb->set_prefix($table_prefix); // set up blog tables
-$table_prefix = $wpdb->get_blog_prefix();
-
-// Fix empty PHP_SELF
-$PHP_SELF = $_SERVER['PHP_SELF'];
-if ( empty($PHP_SELF) || ( empty($PHP_SELF) && !is_subdomain_install() && $current_blog->path != '/' ) )
-    $_SERVER['PHP_SELF'] = $PHP_SELF = preg_replace("/(\?.*)?$/",'',$_SERVER["REQUEST_URI"]);
-
-wp_cache_init(); // need to init cache again after blog_id is set
-if ( function_exists('wp_cache_add_global_groups') ) { // need to add these again. Yes, it's an ugly hack
-    wp_cache_add_global_groups(array ('users', 'userlogins', 'usermeta', 'site-options', 'site-lookup', 'blog-lookup', 'blog-details', 'rss'));
-    wp_cache_add_non_persistent_groups(array( 'comment', 'counts', 'plugins' ));
-}
-
-if ( !defined( 'UPLOADBLOGSDIR' ) )
-    define( 'UPLOADBLOGSDIR', 'wp-content/blogs.dir' );
-
-if ( !defined( 'UPLOADS' ) )
-    define( 'UPLOADS', UPLOADBLOGSDIR . "/{$wpdb->blogid}/files/" );
-
-if ( !defined( 'BLOGUPLOADDIR' ) )
-    define( 'BLOGUPLOADDIR', WP_CONTENT_DIR . "/blogs.dir/{$wpdb->blogid}/files/" );
+function is_subdomain_install() {
+    if ( defined('VHOST') && VHOST == 'yes' )
+        return true;
+
+    return false;
+}
 
 function ms_network_settings() {
@@ -113 +96 @@
 }
 
-function ms_network_cookies() {
-    global $current_site;
-    /**
-     * It is possible to define this in wp-config.php
-     * @since 1.2.0
-     */
-    if ( !defined( 'COOKIEPATH' ) )
-            define( 'COOKIEPATH', $current_site->path );
-
-    /**
-     * It is possible to define this in wp-config.php
-     * @since 1.5.0
-     */
-    if ( !defined( 'SITECOOKIEPATH' ) )
-            define( 'SITECOOKIEPATH', $current_site->path );
-
-    /**
-     * It is possible to define this in wp-config.php
-     * @since 2.6.0
-     */
-    if ( !defined( 'ADMIN_COOKIE_PATH' ) ) {
-            if( !is_subdomain_install() ) {
-                    define( 'ADMIN_COOKIE_PATH', SITECOOKIEPATH );
+function get_current_site_name( $current_site ) {
+    global $wpdb;
+    $current_site->site_name = wp_cache_get( $current_site->id . ':current_site_name', "site-options" );
+    if ( !$current_site->site_name ) {
+        $current_site->site_name = $wpdb->get_var( $wpdb->prepare( "SELECT meta_value FROM $wpdb->sitemeta WHERE site_id = %d AND meta_key = 'site_name'", $current_site->id ) );
+        if ( $current_site->site_name == null )
+            $current_site->site_name = ucfirst( $current_site->domain );
+        wp_cache_set( $current_site->id . ':current_site_name', $current_site->site_name, 'site-options');
+    }
+    return $current_site;
+}
+
+function wpmu_current_site() {
+    global $wpdb, $current_site, $domain, $path, $sites, $cookie_domain;
+    if ( defined( 'DOMAIN_CURRENT_SITE' ) && defined( 'PATH_CURRENT_SITE' ) ) {
+        $current_site->id = (defined( 'SITE_ID_CURRENT_SITE' ) ? constant('SITE_ID_CURRENT_SITE') : 1);
+        $current_site->domain = DOMAIN_CURRENT_SITE;
+        $current_site->path   = $path = PATH_CURRENT_SITE;
+        if ( defined( 'BLOGID_CURRENT_SITE' ) )
+            $current_site->blog_id = BLOGID_CURRENT_SITE;
+        if ( DOMAIN_CURRENT_SITE == $domain )
+            $current_site->cookie_domain = $cookie_domain;
+        elseif ( substr( $current_site->domain, 0, 4 ) == 'www.' )
+            $current_site->cookie_domain = substr( $current_site->domain, 4 );
+        else
+            $current_site->cookie_domain = $current_site->domain;
+
+        return $current_site;
+    }
+
+    $current_site = wp_cache_get( "current_site", "site-options" );
+    if ( $current_site )
+        return $current_site;
+
+    $wpdb->suppress_errors();
+    $sites = $wpdb->get_results( "SELECT * FROM $wpdb->site" ); // usually only one site
+    if ( count( $sites ) == 1 ) {
+        $current_site = $sites[0];
+        $path = $current_site->path;
+        $current_site->blog_id = $wpdb->get_var( "SELECT blog_id FROM {$wpdb->blogs} WHERE domain='{$current_site->domain}' AND path='{$current_site->path}'" );
+        $current_site = get_current_site_name( $current_site );
+        if ( substr( $current_site->domain, 0, 4 ) == 'www.' )
+            $current_site->cookie_domain = substr( $current_site->domain, 4 );
+        wp_cache_set( "current_site", $current_site, "site-options" );
+        return $current_site;
+    }
+    $path = substr( $_SERVER[ 'REQUEST_URI' ], 0, 1 + strpos( $_SERVER[ 'REQUEST_URI' ], '/', 1 ) );
+
+    if ( $domain == $cookie_domain )
+        $current_site = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->site WHERE domain = %s AND path = %s", $domain, $path ) );
+    else
+        $current_site = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->site WHERE domain IN ( %s, %s ) AND path = %s ORDER BY CHAR_LENGTH( domain ) DESC LIMIT 1", $domain, $cookie_domain, $path ) );
+    if ( $current_site == null ) {
+        if ( $domain == $cookie_domain )
+            $current_site = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->site WHERE domain = %s AND path='/'", $domain ) );
+        else
+            $current_site = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->site WHERE domain IN ( %s, %s ) AND path = '/' ORDER BY CHAR_LENGTH( domain ) DESC LIMIT 1", $domain, $cookie_domain, $path ) );
+    }
+    if ( $current_site != null ) {
+        $path = $current_site->path;
+        $current_site->cookie_domain = $cookie_domain;
+        return $current_site;
+    } elseif ( is_subdomain_install() ) {
+        $sitedomain = substr( $domain, 1 + strpos( $domain, '.' ) );
+        $current_site = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->site WHERE domain = %s AND path = %s", $sitedomain, $path) );
+        if ( $current_site != null ) {
+            $current_site->cookie_domain = $current_site->domain;
+            return $current_site;
+        }
+        $current_site = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->site WHERE domain = %s AND path='/'", $sitedomain) );
+        if ( $current_site == null && defined( "WP_INSTALLING" ) == false ) {
+            if ( count( $sites ) == 1 ) {
+                $current_site = $sites[0];
+                die( "That blog does not exist. Please try <a href='http://{$current_site->domain}{$current_site->path}'>http://{$current_site->domain}{$current_site->path}</a>" );
             } else {
-                    define( 'ADMIN_COOKIE_PATH', SITECOOKIEPATH . 'wp-admin' );
+                die( "No WPMU site defined on this host. If you are the owner of this site, please check <a href='http://codex.wordpress.org/Debugging_WPMU'>Debugging WPMU</a> for further assistance." );
             }
-    }
-    /**
-     * It is possible to define this in wp-config.php
-     * @since 2.0.0
-     */
-    if ( !defined('COOKIE_DOMAIN') )
-            define('COOKIE_DOMAIN', '.' . $current_site->cookie_domain);
-}
+        } else {
+            $path = '/';
+        }
+    } elseif ( defined( "WP_INSTALLING" ) == false ) {
+        if ( count( $sites ) == 1 ) {
+            $current_site = $sites[0];
+            die( "That blog does not exist. Please try <a href='http://{$current_site->domain}{$current_site->path}'>http://{$current_site->domain}{$current_site->path}</a>" );
+        } else {
+            die( "No WPMU site defined on this host. If you are the owner of this site, please check <a href='http://codex.wordpress.org/Debugging_WPMU'>Debugging WPMU</a> for further assistance." );
+        }
+    } else {
+        $path = '/';
+    }
+    return $current_site;
+}
+
+function is_installed() {
+    global $wpdb, $domain, $path;
+    $base = stripslashes( $base );
+    if ( defined( "WP_INSTALLING" ) == false ) {
+        $check = $wpdb->get_results( "SELECT * FROM $wpdb->site" );
+        $msg = "If your blog does not display, please contact the owner of this site.<br /><br />If you are the owner of this site please check that MySQL is running properly and all tables are error free.<br /><br />";
+        if ( $check == false ) {
+            $msg .= "<strong>Database Tables Missing.</strong><br />Database tables are missing. This means that MySQL is either not running, WPMU was not installed properly, or someone deleted {$wpdb->site}. You really <em>should</em> look at your database now.<br />";
+        } else {
+            $msg .= '<strong>Could Not Find Blog!</strong><br />';
+            $msg .= "Searched for <em>" . $domain . $path . "</em> in " . DB_NAME . "::" . $wpdb->blogs . " table. Is that right?<br />";
+        }
+        $msg .= "<br />\n<h1>What do I do now?</h1>";
+        $msg .= "Read the <a target='_blank' href='http://codex.wordpress.org/Debugging_WPMU'>bug report</a> page. Some of the guidelines there may help you figure out what went wrong.<br />";
+        $msg .= "If you're still stuck with this message, then check that your database contains the following tables:<ul>
+            <li> $wpdb->blogs </li>
+            <li> $wpdb->users </li>
+            <li> $wpdb->usermeta </li>
+            <li> $wpdb->site </li>
+            <li> $wpdb->sitemeta </li>
+            <li> $wpdb->sitecategories </li>
+            </ul>";
+        $msg .= "If you suspect a problem please report it to the support forums but you must include the information asked for in the <a href='http://codex.wordpress.org/Debugging_WPMU'>WPMU bug reporting guidelines</a>!<br /><br />";
+        if ( is_file( 'release-info.txt' ) ) {
+            $msg .= 'Your bug report must include the following text: "';
+            $info = file( 'release-info.txt' );
+            $msg .= $info[ 4 ] . '"';
+        }
+
+        die( "<h1>Fatal Error</h1> " . $msg );
+    }
+}
+
 ?>