PHP Jetpack::sign_role方法代码示例

 /**
  * Synchronize connected user role changes
  */
 static function user_role_change($user_id)
 {
     if (Jetpack::is_active() && Jetpack::is_user_connected($user_id)) {
         $current_user_id = get_current_user_id();
         wp_set_current_user($user_id);
         $role = Jetpack::translate_current_user_to_role();
         $signed_role = Jetpack::sign_role($role);
         wp_set_current_user($current_user_id);
         $master_token = Jetpack_Data::get_access_token(JETPACK_MASTER_USER);
         $master_user_id = absint($master_token->external_user_id);
         if (!$master_user_id) {
             return;
         }
         // this shouldn't happen
         Jetpack::xmlrpc_async_call('jetpack.updateRole', $user_id, $signed_role);
         //@todo retry on failure
         //try to choose a new master if we're demoting the current one
         if ($user_id == $master_user_id && 'administrator' != $role) {
             $query = new WP_User_Query(array('fields' => array('id'), 'role' => 'administrator', 'orderby' => 'id', 'exclude' => array($master_user_id)));
             $new_master = false;
             foreach ($query->results as $result) {
                 $uid = absint($result->id);
                 if ($uid && Jetpack::is_user_connected($uid)) {
                     $new_master = $uid;
                     break;
                 }
             }
             if ($new_master) {
                 Jetpack_Options::update_option('master_user', $new_master);
             }
             // else disconnect..?
         }
     }
 }

 /**
  * @return object|WP_Error
  */
 function get_token($data)
 {
     $role = Jetpack::translate_current_user_to_role();
     if (!$role) {
         return new Jetpack_Error('role', __('An administrator for this blog must set up the Jetpack connection.', 'jetpack'));
     }
     $client_secret = Jetpack_Data::get_access_token();
     if (!$client_secret) {
         return new Jetpack_Error('client_secret', __('You need to register your Jetpack before connecting it.', 'jetpack'));
     }
     $redirect = isset($data['redirect']) ? esc_url_raw((string) $data['redirect']) : '';
     $redirect_uri = 'calypso' === $data['auth_type'] ? $data['redirect_uri'] : add_query_arg(array('action' => 'authorize', '_wpnonce' => wp_create_nonce("jetpack-authorize_{$role}_{$redirect}"), 'redirect' => $redirect ? urlencode($redirect) : false), menu_page_url('jetpack', false));
     $body = array('client_id' => Jetpack_Options::get_option('id'), 'client_secret' => $client_secret->secret, 'grant_type' => 'authorization_code', 'code' => $data['code'], 'redirect_uri' => $redirect_uri);
     $args = array('method' => 'POST', 'body' => $body, 'headers' => array('Accept' => 'application/json'));
     $response = Jetpack_Client::_wp_remote_request(Jetpack::fix_url_for_bad_hosts(Jetpack::api_url('token')), $args);
     if (is_wp_error($response)) {
         return new Jetpack_Error('token_http_request_failed', $response->get_error_message());
     }
     $code = wp_remote_retrieve_response_code($response);
     $entity = wp_remote_retrieve_body($response);
     if ($entity) {
         $json = json_decode($entity);
     } else {
         $json = false;
     }
     if (200 != $code || !empty($json->error)) {
         if (empty($json->error)) {
             return new Jetpack_Error('unknown', '', $code);
         }
         $error_description = isset($json->error_description) ? sprintf(__('Error Details: %s', 'jetpack'), (string) $json->error_description) : '';
         return new Jetpack_Error((string) $json->error, $error_description, $code);
     }
     if (empty($json->access_token) || !is_scalar($json->access_token)) {
         return new Jetpack_Error('access_token', '', $code);
     }
     if (empty($json->token_type) || 'X_JETPACK' != strtoupper($json->token_type)) {
         return new Jetpack_Error('token_type', '', $code);
     }
     if (empty($json->scope)) {
         return new Jetpack_Error('scope', 'No Scope', $code);
     }
     @(list($role, $hmac) = explode(':', $json->scope));
     if (empty($role) || empty($hmac)) {
         return new Jetpack_Error('scope', 'Malformed Scope', $code);
     }
     if (Jetpack::sign_role($role) !== $json->scope) {
         return new Jetpack_Error('scope', 'Invalid Scope', $code);
     }
     if (!($cap = Jetpack::translate_role_to_cap($role))) {
         return new Jetpack_Error('scope', 'No Cap', $code);
     }
     if (!current_user_can($cap)) {
         return new Jetpack_Error('scope', 'current_user_cannot', $code);
     }
     /**
      * Fires after user has successfully received an auth token.
      *
      * @since 3.9.0
      */
     do_action('jetpack_user_authorized');
     return (string) $json->access_token;
 }

 static function get_signed_role($user_id)
 {
     return Jetpack::sign_role(self::get_role($user_id));
 }