MRBS 1.12.2 等保2.0二级整改完整提交

包含：登录失败锁定、90天密码有效期、30分钟会话超时、
强制改密、登录审计日志、屏幕水印、企业背景图、
备案信息固定底部、favicon、登录页JS修复等全部改动

web/lib/MRBS/Session/SessionNt.php

@@ -0,0 +1,33 @@
+<?php
+declare(strict_types=1);
+namespace MRBS\Session;
+
+use MRBS\User;
+use function MRBS\auth;
+
+/**
+ * Session management scheme that uses Windows NT domain users and Internet
+ * Information Server as the source for user authentication.
+ *
+ * To use this authentication scheme, set the following things in config.inc.php:
+ *
+ *      $auth['type'] = 'none';
+ *      $auth['session'] = 'nt';
+ *
+ * Then, you may configure admin users:
+ *
+ *     $auth['admin'][] = 'nt_username1';
+ *     $auth['admin'][] = 'nt_username2';
+ *
+ * See AUTHENTICATION for more information.
+ */
+class SessionNt extends Session
+{
+
+  // For this scheme no need to prompt for a name - NT User always there.
+  public function getCurrentUser() : ?User
+  {
+    return auth()->getUser(get_current_user()) ?? parent::getCurrentUser();
+  }
+
+}