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/Common/IMagickLuminanceSource.php

@@ -0,0 +1,78 @@
+<?php
+/**
+ * Class IMagickLuminanceSource
+ *
+ * @created      17.01.2021
+ * @author       Ashot Khanamiryan
+ * @author       Smiley <smiley@chillerlan.net>
+ * @copyright    2021 Smiley
+ * @license      MIT
+ *
+ * @noinspection PhpComposerExtensionStubsInspection
+ */
+
+namespace chillerlan\QRCode\Common;
+
+use chillerlan\Settings\SettingsContainerInterface;
+use Imagick;
+use function count;
+
+/**
+ * This class is used to help decode images from files which arrive as Imagick Resource
+ * It does not support rotation.
+ */
+class IMagickLuminanceSource extends LuminanceSourceAbstract{
+
+	protected Imagick $imagick;
+
+	/**
+	 * IMagickLuminanceSource constructor.
+	 */
+	public function __construct(Imagick $imagick, ?SettingsContainerInterface $options = null){
+		parent::__construct($imagick->getImageWidth(), $imagick->getImageHeight(), $options);
+
+		$this->imagick = $imagick;
+
+		if($this->options->readerGrayscale){
+			$this->imagick->setImageColorspace(Imagick::COLORSPACE_GRAY);
+		}
+
+		if($this->options->readerInvertColors){
+			$this->imagick->negateImage($this->options->readerGrayscale);
+		}
+
+		if($this->options->readerIncreaseContrast){
+			for($i = 0; $i < 10; $i++){
+				$this->imagick->contrastImage(false); // misleading docs
+			}
+		}
+
+		$this->setLuminancePixels();
+	}
+
+	/**
+	 *
+	 */
+	protected function setLuminancePixels():void{
+		$pixels = $this->imagick->exportImagePixels(1, 1, $this->width, $this->height, 'RGB', Imagick::PIXEL_CHAR);
+		$count  = count($pixels);
+
+		for($i = 0; $i < $count; $i += 3){
+			$this->setLuminancePixel(($pixels[$i] & 0xff), ($pixels[($i + 1)] & 0xff), ($pixels[($i + 2)] & 0xff));
+		}
+	}
+
+	/** @inheritDoc */
+	public static function fromFile(string $path, ?SettingsContainerInterface $options = null):self{
+		return new self(new Imagick(self::checkFile($path)), $options);
+	}
+
+	/** @inheritDoc */
+	public static function fromBlob(string $blob, ?SettingsContainerInterface $options = null):self{
+		$im = new Imagick;
+		$im->readImageBlob($blob);
+
+		return new self($im, $options);
+	}
+
+}