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/Settings/SettingsContainerAbstract.php

@@ -0,0 +1,178 @@
+<?php
+/**
+ * Class SettingsContainerAbstract
+ *
+ * @created      28.08.2018
+ * @author       Smiley <smiley@chillerlan.net>
+ * @copyright    2018 Smiley
+ * @license      MIT
+ */
+declare(strict_types=1);
+
+namespace chillerlan\Settings;
+
+use JsonException, ReflectionClass, ReflectionProperty;
+use function array_keys, get_object_vars, json_decode, json_encode, json_last_error_msg, method_exists, property_exists;
+use const JSON_THROW_ON_ERROR;
+
+abstract class SettingsContainerAbstract implements SettingsContainerInterface{
+
+	/**
+	 * SettingsContainerAbstract constructor.
+	 *
+	 * @phpstan-param array<string, mixed> $properties
+	 */
+	public function __construct(?iterable $properties = null){
+
+		if(!empty($properties)){
+			$this->fromIterable($properties);
+		}
+
+		$this->construct();
+	}
+
+	/**
+	 * calls a method with trait name as replacement constructor for each used trait
+	 * (remember pre-php5 classname constructors? yeah, basically this.)
+	 */
+	protected function construct():void{
+		$traits = (new ReflectionClass($this))->getTraits();
+
+		foreach($traits as $trait){
+			$method = $trait->getShortName();
+
+			if(method_exists($this, $method)){
+				$this->{$method}();
+			}
+		}
+
+	}
+
+	/**
+	 * @inheritdoc
+	 */
+	public function __get(string $property){
+
+		if(!property_exists($this, $property) || $this->isPrivate($property)){
+			return null;
+		}
+
+		$method = 'get_'.$property;
+
+		if(method_exists($this, $method)){
+			return $this->{$method}();
+		}
+
+		return $this->{$property};
+	}
+
+	/**
+	 * @inheritdoc
+	 */
+	public function __set(string $property, $value):void{
+
+		if(!property_exists($this, $property) || $this->isPrivate($property)){
+			return;
+		}
+
+		$method = 'set_'.$property;
+
+		if(method_exists($this, $method)){
+			$this->{$method}($value);
+
+			return;
+		}
+
+		$this->{$property} = $value;
+	}
+
+	/**
+	 * @inheritdoc
+	 */
+	public function __isset(string $property):bool{
+		return isset($this->{$property}) && !$this->isPrivate($property);
+	}
+
+	/**
+	 * @internal Checks if a property is private
+	 */
+	protected function isPrivate(string $property):bool{
+		return (new ReflectionProperty($this, $property))->isPrivate();
+	}
+
+	/**
+	 * @inheritdoc
+	 */
+	public function __unset(string $property):void{
+
+		if($this->__isset($property)){
+			unset($this->{$property});
+		}
+
+	}
+
+	/**
+	 * @inheritdoc
+	 */
+	public function __toString():string{
+		return $this->toJSON();
+	}
+
+	/**
+	 * @inheritdoc
+	 */
+	public function toArray():array{
+		$properties = [];
+
+		foreach(array_keys(get_object_vars($this)) as $key){
+			$properties[$key] = $this->__get($key);
+		}
+
+		return $properties;
+	}
+
+	/**
+	 * @inheritdoc
+	 */
+	public function fromIterable(iterable $properties):SettingsContainerInterface{
+
+		foreach($properties as $key => $value){
+			$this->__set($key, $value);
+		}
+
+		return $this;
+	}
+
+	/**
+	 * @inheritdoc
+	 */
+	public function toJSON(?int $jsonOptions = null):string{
+		$json = json_encode($this, ($jsonOptions ?? 0));
+
+		if($json === false){
+			throw new JsonException(json_last_error_msg());
+		}
+
+		return $json;
+	}
+
+	/**
+	 * @inheritdoc
+	 */
+	public function fromJSON(string $json):SettingsContainerInterface{
+		/** @phpstan-var array<string, mixed> $data */
+		$data = json_decode($json, true, 512, JSON_THROW_ON_ERROR);
+
+		return $this->fromIterable($data);
+	}
+
+	/**
+	 * @inheritdoc
+	 * @return array<string, mixed>
+	 */
+	#[\ReturnTypeWillChange]
+	public function jsonSerialize():array{
+		return $this->toArray();
+	}
+
+}