[Summary view] [Print] [Text view]

   1  <?php
   2  /**
   3   * Used to set up and fix common variables and include
   4   * the Multisite procedural and class library.
   5   *
   6   * Allows for some configuration in wp-config.php (see ms-default-constants.php)
   7   *
   8   * @package WordPress
   9   * @subpackage Multisite
  10   */
  11  
  12  // $base sanity check.
  13  if ( 'BASE' == $base )
  14      die( /*WP_I18N_BASE_ERROR*/'Configuration error in <code>wp-config.php</code>. <code>$base</code> is set to "BASE" when it should be the path like "/" or "/blogs/".'/*/WP_I18N_BASE_ERROR*/ );
  15  
  16  /** Include Multisite initialization functions */
  17  require ( ABSPATH . WPINC . '/ms-load.php' );
  18  require ( ABSPATH . WPINC . '/ms-default-constants.php' );
  19  
  20  if ( defined( 'SUNRISE' ) )
  21      include_once( WP_CONTENT_DIR . '/sunrise.php' );
  22  
  23  if ( !isset( $current_site ) || !isset( $current_blog ) ) {
  24  
  25      $domain = addslashes( $_SERVER['HTTP_HOST'] );
  26      if ( false !== strpos( $domain, ':' ) ) {
  27          if ( substr( $domain, -3 ) == ':80' ) {
  28              $domain = substr( $domain, 0, -3 );
  29              $_SERVER['HTTP_HOST'] = substr( $_SERVER['HTTP_HOST'], 0, -3 );
  30          } elseif ( substr( $domain, -4 ) == ':443' ) {
  31              $domain = substr( $domain, 0, -4 );
  32              $_SERVER['HTTP_HOST'] = substr( $_SERVER['HTTP_HOST'], 0, -4 );
  33          } else {
  34              wp_die( /*WP_I18N_NO_PORT_NUMBER*/'Multisite only works without the port number in the URL.'/*/WP_I18N_NO_PORT_NUMBER*/ );
  35          }
  36      }
  37  
  38      $domain = rtrim( $domain, '.' );
  39      $cookie_domain = $domain;
  40      if ( substr( $cookie_domain, 0, 4 ) == 'www.' )
  41          $cookie_domain = substr( $cookie_domain, 4 );
  42  
  43      $path = preg_replace( '|([a-z0-9-]+.php.*)|', '', $_SERVER['REQUEST_URI'] );
  44      $path = str_replace ( '/wp-admin/', '/', $path );
  45      $path = preg_replace( '|(/[a-z0-9-]+?/).*|', '$1', $path );
  46  
  47      $current_site = wpmu_current_site();
  48      if ( ! isset( $current_site->blog_id ) )
  49          $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 ) );
  50  
  51      if ( is_subdomain_install() ) {
  52          $current_blog = wp_cache_get( 'current_blog_' . $domain, 'site-options' );
  53          if ( !$current_blog ) {
  54              $current_blog = get_blog_details( array( 'domain' => $domain ), false );
  55              if ( $current_blog )
  56                  wp_cache_set( 'current_blog_' . $domain, $current_blog, 'site-options' );
  57          }
  58          if ( $current_blog && $current_blog->site_id != $current_site->id )
  59              $current_site = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $wpdb->site WHERE id = %d", $current_blog->site_id ) );
  60          else
  61              $blogname = substr( $domain, 0, strpos( $domain, '.' ) );
  62      } else {
  63          $blogname = htmlspecialchars( substr( $_SERVER[ 'REQUEST_URI' ], strlen( $path ) ) );
  64          if ( false !== strpos( $blogname, '/' ) )
  65              $blogname = substr( $blogname, 0, strpos( $blogname, '/' ) );
  66          if ( false !== strpos( $blogname, '?' ) )
  67              $blogname = substr( $blogname, 0, strpos( $blogname, '?' ) );
  68          $reserved_blognames = array( 'page', 'comments', 'blog', 'wp-admin', 'wp-includes', 'wp-content', 'files', 'feed' );
  69          if ( $blogname != '' && ! in_array( $blogname, $reserved_blognames ) && ! is_file( $blogname ) )
  70              $path .= $blogname . '/';
  71          $current_blog = wp_cache_get( 'current_blog_' . $domain . $path, 'site-options' );
  72          if ( ! $current_blog ) {
  73              $current_blog = get_blog_details( array( 'domain' => $domain, 'path' => $path ), false );
  74              if ( $current_blog )
  75                  wp_cache_set( 'current_blog_' . $domain . $path, $current_blog, 'site-options' );
  76          }
  77      }
  78  
  79      if ( ! defined( 'WP_INSTALLING' ) && is_subdomain_install() && ! is_object( $current_blog ) ) {
  80          if ( defined( 'NOBLOGREDIRECT' ) ) {
  81              $destination = NOBLOGREDIRECT;
  82              if ( '%siteurl%' == $destination )
  83                  $destination = "http://" . $current_site->domain . $current_site->path;
  84          } else {
  85              $destination = 'http://' . $current_site->domain . $current_site->path . 'wp-signup.php?new=' . str_replace( '.' . $current_site->domain, '', $domain );
  86          }
  87          header( 'Location: ' . $destination );
  88          die();
  89      }
  90  
  91      if ( ! defined( 'WP_INSTALLING' ) ) {
  92          if ( $current_site && ! $current_blog ) {
  93              if ( $current_site->domain != $_SERVER[ 'HTTP_HOST' ] ) {
  94                  header( 'Location: http://' . $current_site->domain . $current_site->path );
  95                  exit;
  96              }
  97              $current_blog = get_blog_details( array( 'domain' => $current_site->domain, 'path' => $current_site->path ), false );
  98          }
  99          if ( ! $current_blog || ! $current_site )
 100              ms_not_installed();
 101      }
 102  
 103      $blog_id = $current_blog->blog_id;
 104      $public  = $current_blog->public;
 105  
 106      if ( empty( $current_blog->site_id ) )
 107          $current_blog->site_id = 1;
 108      $site_id = $current_blog->site_id;
 109  
 110      $current_site = get_current_site_name( $current_site );
 111  
 112      if ( ! $blog_id ) {
 113          if ( defined( 'WP_INSTALLING' ) ) {
 114              $current_blog->blog_id = $blog_id = 1;
 115          } else {
 116              $msg = ! $wpdb->get_var( "SHOW TABLES LIKE '$wpdb->site'" ) ? ' ' . /*WP_I18N_TABLES_MISSING*/'Database tables are missing.'/*/WP_I18N_TABLES_MISSING*/ : '';
 117              wp_die( /*WP_I18N_NO_BLOG*/'No blog by that name on this system.'/*/WP_I18N_NO_BLOG*/ . $msg );
 118          }
 119      }
 120  }
 121  $wpdb->set_prefix( $table_prefix, false ); // $table_prefix can be set in sunrise.php
 122  $wpdb->set_blog_id( $current_blog->blog_id, $current_blog->site_id );
 123  $table_prefix = $wpdb->get_blog_prefix();
 124  
 125  // need to init cache again after blog_id is set
 126  wp_start_object_cache();
 127  
 128  // Define upload directory constants
 129  ms_upload_constants();