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、JS空集合保护、
会话过期体验优化（403 JSON）、display_errors 关闭、
固定 key 根治 Integrity check failed 等全部改动

注意：config.inc.php/.htaccess/.user.ini 含敏感信息，
通过 .gitignore 排除，勿推送到公开仓库。

js/view_entry.js.php

@@ -0,0 +1,41 @@
+<?php
+declare(strict_types=1);
+namespace MRBS;
+
+require "../defaultincludes.inc";
+
+http_headers(array("Content-type: application/x-javascript"),
+             60*30);  // 30 minute expiry
+?>
+
+'use strict';
+
+$(document).on('page_ready', function() {
+
+  var tableOptions = {};
+
+  <?php // If we're an admin then add a "Copy email addresses" button ?>
+  if (args.isAdmin) {
+    tableOptions.buttons = [
+      {
+        <?php // The first button is assumed to be the colvis button ?>
+        extend: 'colvis'
+      },
+      {
+        <?php
+        // Add in an extra button to copy email addresses as a unique, sorted, comma separated
+        // list so that they can be pasted into an address field in an email client.
+        // Useful for sending messages to those booked on a certain day or in a certain room.
+        ?>
+        text: '<?php echo get_js_vocab('copy_email_addresses') ?>',
+        action: function (e, dt, node, config) {
+          <?php // Don't sort the addresses because it makes comparison with the table easier ?>
+          extractEmailAddresses(dt, '.name', false);
+        }
+      }
+    ];
+  }
+
+  makeDataTable('#registrants', tableOptions);
+});
+