function vf_get_user() {
   global $current_user, $wp_roles;

   if (!function_exists('get_currentuserinfo'))
      require_once ABSPATH . WPINC . '/pluggable.php';
   get_currentuserinfo();

   $user = array();
   if ($current_user->ID != '') {
      $user['uniqueid'] = $current_user->ID;
      $user['name'] = $current_user->display_name;
      $user['email'] = $current_user->user_email;
      $user['photourl'] = ''; //
      $user['wp_nonce'] = wp_create_nonce('log-out');

      // Do some fudgery to grab the photo url.
      try {
         $avatar = new SimpleXMLElement(get_avatar($current_user->ID));
         if (isset($avatar['src']))
            $user['photourl'] = (string)$avatar['src'];
      } catch (Exception $Ex) {
      }

      // Add the user's roles to the SSO.
      if (isset($current_user->roles)) {
         if (!isset( $wp_roles ) )
            $wp_roles = new WP_Roles();

         $role_names = $wp_roles->role_names;

         $roles = array();
         foreach ((array)$current_user->roles as $role_slug) {
            // Add the role slug.
            $roles[] = $role_slug;

            // Add the role name if it's different from the slug.
            if (isset($role_names[$role_slug])) {
               $role_name = $role_names[$role_slug];
               if (strcasecmp($role_name, $role_slug) !== 0) {
                  $roles[] = str_replace(',', ' ', $role_name);
               }
            }
         }

         $user['roles'] = implode(',', array_unique($roles));
      } else {
         $user['roles'] = null;
      }
//      $user['_user'] = $current_user;
   }

   // Allow other plugins to modify the user.
   $user = apply_filters('vf_get_user', $user);

   return $user;
}