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/chillerlan/QRCode/Detector/ResultPoint.php

@@ -0,0 +1,73 @@
+<?php
+/**
+ * Class ResultPoint
+ *
+ * @created      17.01.2021
+ * @author       ZXing Authors
+ * @author       Smiley <smiley@chillerlan.net>
+ * @copyright    2021 Smiley
+ * @license      Apache-2.0
+ */
+
+namespace chillerlan\QRCode\Detector;
+
+use function abs;
+
+/**
+ * Encapsulates a point of interest in an image containing a barcode. Typically, this
+ * would be the location of a finder pattern or the corner of the barcode, for example.
+ *
+ * @author Sean Owen
+ */
+abstract class ResultPoint{
+
+	protected float $x;
+	protected float $y;
+	protected float $estimatedModuleSize;
+
+	/**
+	 *
+	 */
+	public function __construct(float $x, float $y, float $estimatedModuleSize){
+		$this->x                   = $x;
+		$this->y                   = $y;
+		$this->estimatedModuleSize = $estimatedModuleSize;
+	}
+
+	/**
+	 *
+	 */
+	public function getX():float{
+		return $this->x;
+	}
+
+	/**
+	 *
+	 */
+	public function getY():float{
+		return $this->y;
+	}
+
+	/**
+	 *
+	 */
+	public function getEstimatedModuleSize():float{
+		return $this->estimatedModuleSize;
+	}
+
+	/**
+	 * Determines if this finder pattern "about equals" a finder pattern at the stated
+	 * position and size -- meaning, it is at nearly the same center with nearly the same size.
+	 */
+	public function aboutEquals(float $moduleSize, float $i, float $j):bool{
+
+		if(abs($i - $this->y) <= $moduleSize && abs($j - $this->x) <= $moduleSize){
+			$moduleSizeDiff = abs($moduleSize - $this->estimatedModuleSize);
+
+			return $moduleSizeDiff <= 1.0 || $moduleSizeDiff <= $this->estimatedModuleSize;
+		}
+
+		return false;
+	}
+
+}