Jetpack::update_user_token PHP Method

    public static function update_user_token($user_id, $token, $is_master_user)
    {
        // not designed for concurrent updates
        $user_tokens = Jetpack_Options::get_option('user_tokens');
        if (!is_array($user_tokens)) {
            $user_tokens = array();
        }
        $user_tokens[$user_id] = $token;
        if ($is_master_user) {
            $master_user = $user_id;
            $options = compact('user_tokens', 'master_user');
        } else {
            $options = compact('user_tokens');
        }
        return Jetpack_Options::update_options($options);
    }

 /**
  * Registers a subsite with the Jetpack servers
  *
  * @since 2.9
  * @todo  Break apart into easier to manage chunks that can be unit tested
  * @see   Jetpack_Network::jetpack_sites_list();
  */
 public function do_subsiteregister($site_id = null)
 {
     if (!current_user_can('jetpack_disconnect')) {
         return;
     }
     $jp = Jetpack::init();
     // Figure out what site we are working on
     $site_id = is_null($site_id) ? $_GET['site_id'] : $site_id;
     // Build secrets to sent to wpcom for verification
     $secrets = $jp->generate_secrets();
     // Remote query timeout limit
     $timeout = $jp->get_remote_query_timeout_limit();
     // The blog id on WordPress.com of the primary network site
     $network_wpcom_blog_id = Jetpack_Options::get_option('id');
     /*
      * Here we need to switch to the subsite
      * For the registration process we really only hijack how it
      * works for an individual site and pass in some extra data here
      */
     switch_to_blog($site_id);
     // Save the secrets in the subsite so when the wpcom server does a pingback it
     // will be able to validate the connection
     Jetpack_Options::update_option('register', $secrets[0] . ':' . $secrets[1] . ':' . $secrets[2]);
     // Gra info for gmt offset
     $gmt_offset = get_option('gmt_offset');
     if (!$gmt_offset) {
         $gmt_offset = 0;
     }
     /*
      * Get the stats_option option from the db.
      * It looks like the server strips this out so maybe it is not necessary?
      * Does it match the Jetpack site with the old stats plugin id?
      *
      * @todo Find out if sending the stats_id is necessary
      */
     $stat_options = get_option('stats_options');
     $stat_id = $stat_options = isset($stats_options['blog_id']) ? $stats_options['blog_id'] : null;
     $args = array('method' => 'POST', 'body' => array('network_url' => $this->get_url('network_admin_page'), 'network_wpcom_blog_id' => $network_wpcom_blog_id, 'siteurl' => site_url(), 'home' => home_url(), 'gmt_offset' => $gmt_offset, 'timezone_string' => (string) get_option('timezone_string'), 'site_name' => (string) get_option('blogname'), 'secret_1' => $secrets[0], 'secret_2' => $secrets[1], 'site_lang' => get_locale(), 'timeout' => $timeout, 'stats_id' => $stat_id, 'user_id' => get_current_user_id()), 'headers' => array('Accept' => 'application/json'), 'timeout' => $timeout);
     // Attempt to retrieve shadow blog details
     $response = Jetpack_Client::_wp_remote_request(Jetpack::fix_url_for_bad_hosts(Jetpack::api_url('subsiteregister')), $args, true);
     /*
      * $response should either be invalid or contain:
      * - jetpack_id	=> id
      * - jetpack_secret => blog_token
      * - jetpack_public
      *
      * Store the wpcom site details
      */
     $valid_response = $jp->validate_remote_register_response($response);
     if (is_wp_error($valid_response) || !$valid_response) {
         restore_current_blog();
         return $valid_response;
     }
     // Grab the response values to work with
     $code = wp_remote_retrieve_response_code($response);
     $entity = wp_remote_retrieve_body($response);
     if ($entity) {
         $json = json_decode($entity);
     } else {
         $json = false;
     }
     if (empty($json->jetpack_secret) || !is_string($json->jetpack_secret)) {
         restore_current_blog();
         return new Jetpack_Error('jetpack_secret', '', $code);
     }
     if (isset($json->jetpack_public)) {
         $jetpack_public = (int) $json->jetpack_public;
     } else {
         $jetpack_public = false;
     }
     Jetpack_Options::update_options(array('id' => (int) $json->jetpack_id, 'blog_token' => (string) $json->jetpack_secret, 'public' => $jetpack_public));
     /*
      * Update the subsiteregister method on wpcom so that it also sends back the
      * token in this same request
      */
     $is_master_user = !Jetpack::is_active();
     Jetpack::update_user_token(get_current_user_id(), sprintf('%s.%d', $json->token->secret, get_current_user_id()), $is_master_user);
     Jetpack::activate_default_modules();
     restore_current_blog();
 }