WordPress/wp-includes/ms-load.php

220 lines
9.2 KiB
PHP

<?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
*
* @return bool True if subdomain configuration is enabled, false otherwise.
*/
function is_subdomain_install() {
if ( defined('VHOST') && VHOST == 'yes' )
return true;
return false;
}
function ms_network_settings() {
global $wpdb, $current_site, $cookiehash;
if ( !isset($current_site->site_name) )
$current_site->site_name = get_site_option('site_name');
if ( $current_site->site_name == false )
$current_site->site_name = ucfirst( $current_site->domain );
}
function ms_network_plugins() {
$network_plugins = array();
$deleted_sitewide_plugins = array();
$wpmu_sitewide_plugins = (array) maybe_unserialize( get_site_option( 'wpmu_sitewide_plugins' ) );
foreach ( $wpmu_sitewide_plugins as $plugin_file => $activation_time ) {
if ( !$plugin_file )
continue;
if ( !file_exists( WP_PLUGIN_DIR . '/' . $plugin_file ) )
$deleted_sitewide_plugins[] = $plugin_file;
else
$network_plugins[] = WP_PLUGIN_DIR . '/' . $plugin_file;
}
if ( !empty( $deleted_sitewide_plugins ) ) {
$active_sitewide_plugins = maybe_unserialize( get_site_option( 'active_sitewide_plugins' ) );
/* Remove any deleted plugins from the wpmu_sitewide_plugins array */
foreach ( $deleted_sitewide_plugins as $plugin_file ) {
unset( $wpmu_sitewide_plugins[$plugin_file] );
unset( $active_sitewide_plugins[$plugin_file] );
}
update_site_option( 'wpmu_sitewide_plugins', $wpmu_sitewide_plugins );
update_site_option( 'active_sitewide_plugins', $wpmu_sitewide_plugins );
}
return $network_plugins;
}
function ms_site_check() {
global $wpdb, $current_blog;
if ( '1' == $current_blog->deleted ) {
if ( file_exists( WP_CONTENT_DIR . '/blog-deleted.php' ) ) {
return WP_CONTENT_DIR . '/blog-deleted.php';
} else {
header('HTTP/1.1 410 Gone');
wp_die(__('This user has elected to delete their account and the content is no longer available.'));
}
} elseif ( '2' == $current_blog->deleted ) {
if ( file_exists( WP_CONTENT_DIR . '/blog-inactive.php' ) )
return WP_CONTENT_DIR . '/blog-inactive.php';
else
wp_die( sprintf( __( 'This blog has not been activated yet. If you are having problems activating your blog, please contact <a href="mailto:%1$s">%1$s</a>.' ), str_replace( '@', ' AT ', get_site_option( 'admin_email', "support@{$current_site->domain}" ) ) ) );
}
if ( $current_blog->archived == '1' || $current_blog->spam == '1' ) {
if ( file_exists( WP_CONTENT_DIR . '/blog-suspended.php' ) ) {
return WP_CONTENT_DIR . '/blog-suspended.php';
} else {
header('HTTP/1.1 410 Gone');
wp_die(__('This blog has been archived or suspended.'));
}
}
return true;
}
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;
$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 {
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 = '/';
}
} 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 );
}
}
?>