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/Handler/ErrorLogHandler.php

@@ -0,0 +1,91 @@
+<?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\Handler;
+
+use Monolog\Formatter\LineFormatter;
+use Monolog\Formatter\FormatterInterface;
+use Monolog\Logger;
+use Monolog\Utils;
+
+/**
+ * Stores to PHP error_log() handler.
+ *
+ * @author Elan Ruusamäe <glen@delfi.ee>
+ */
+class ErrorLogHandler extends AbstractProcessingHandler
+{
+    public const OPERATING_SYSTEM = 0;
+    public const SAPI = 4;
+
+    /** @var int */
+    protected $messageType;
+    /** @var bool */
+    protected $expandNewlines;
+
+    /**
+     * @param int  $messageType    Says where the error should go.
+     * @param bool $expandNewlines If set to true, newlines in the message will be expanded to be take multiple log entries
+     */
+    public function __construct(int $messageType = self::OPERATING_SYSTEM, $level = Logger::DEBUG, bool $bubble = true, bool $expandNewlines = false)
+    {
+        parent::__construct($level, $bubble);
+
+        if (false === in_array($messageType, self::getAvailableTypes(), true)) {
+            $message = sprintf('The given message type "%s" is not supported', print_r($messageType, true));
+
+            throw new \InvalidArgumentException($message);
+        }
+
+        $this->messageType = $messageType;
+        $this->expandNewlines = $expandNewlines;
+    }
+
+    /**
+     * @return int[] With all available types
+     */
+    public static function getAvailableTypes(): array
+    {
+        return [
+            self::OPERATING_SYSTEM,
+            self::SAPI,
+        ];
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    protected function getDefaultFormatter(): FormatterInterface
+    {
+        return new LineFormatter('[%datetime%] %channel%.%level_name%: %message% %context% %extra%');
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    protected function write(array $record): void
+    {
+        if (!$this->expandNewlines) {
+            error_log((string) $record['formatted'], $this->messageType);
+
+            return;
+        }
+
+        $lines = preg_split('{[\r\n]+}', (string) $record['formatted']);
+        if ($lines === false) {
+            $pcreErrorCode = preg_last_error();
+            throw new \RuntimeException('Failed to preg_split formatted string: ' . $pcreErrorCode . ' / '. Utils::pcreLastErrorMessage($pcreErrorCode));
+        }
+        foreach ($lines as $line) {
+            error_log($line, $this->messageType);
+        }
+    }
+}