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。

lib/Monolog/Processor/MemoryProcessor.php

@@ -0,0 +1,61 @@
+<?php declare(strict_types=1);
+
+/*
+ * This file is part of the Monolog package.
+ *
+ * (c) Jordi Boggiano <j.boggiano@seld.be>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Monolog\Processor;
+
+/**
+ * Some methods that are common for all memory processors
+ *
+ * @author Rob Jensen
+ */
+abstract class MemoryProcessor implements ProcessorInterface
+{
+    /**
+     * @var bool If true, get the real size of memory allocated from system. Else, only the memory used by emalloc() is reported.
+     */
+    protected $realUsage;
+
+    /**
+     * @var bool If true, then format memory size to human readable string (MB, KB, B depending on size)
+     */
+    protected $useFormatting;
+
+    /**
+     * @param bool $realUsage     Set this to true to get the real size of memory allocated from system.
+     * @param bool $useFormatting If true, then format memory size to human readable string (MB, KB, B depending on size)
+     */
+    public function __construct(bool $realUsage = true, bool $useFormatting = true)
+    {
+        $this->realUsage = $realUsage;
+        $this->useFormatting = $useFormatting;
+    }
+
+    /**
+     * Formats bytes into a human readable string if $this->useFormatting is true, otherwise return $bytes as is
+     *
+     * @param  int        $bytes
+     * @return string|int Formatted string if $this->useFormatting is true, otherwise return $bytes as int
+     */
+    protected function formatBytes(int $bytes)
+    {
+        if (!$this->useFormatting) {
+            return $bytes;
+        }
+
+        if ($bytes > 1024 * 1024) {
+            return round($bytes / 1024 / 1024, 2).' MB';
+        } elseif ($bytes > 1024) {
+            return round($bytes / 1024, 2).' KB';
+        }
+
+        return $bytes . ' B';
+    }
+}