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sia-gateway's Issues

日志收集模块存在循环收集日志的可能

举个例子。在其他模块打印日志的时候 sia-gateway-sink 获取到kafka的event,此时在 sia-gateway-sink 中打印日志,由于appender 的关系,又把日志(“我收到日志啦”)收集到kafka中。这样即使外部系统不再发送日志了,日志收集模块还是一直在产生自己的消息和消费自己的消息。

同学,您这个项目引入了275个开源组件,存在208个漏洞,辛苦升级一下

检测到 siaorg/sia-gateway 一共引入了275个开源组件,存在208个漏洞

漏洞标题:netty 安全漏洞
缺陷组件:io.netty:[email protected]
漏洞编号:CVE-2021-37137
漏洞描述:Netty是Netty社区的一款非阻塞I/O客户端-服务器框架,它主要用于开发Java网络应用程序,如协议服务器和客户端等。
netty存在安全漏洞,该漏洞源于Snappy frame decoder函数不限制块长度,这可能会导致过度内存使用。
影响范围:(∞, 4.1.68.Final)
最小修复版本:4.1.68.Final
缺陷组件引入路径:com.sia:[email protected]>com.sia:[email protected]>org.elasticsearch.client:[email protected]>org.elasticsearch.plugin:[email protected]>io.netty:[email protected]

另外还有208个漏洞,详细报告:https://mofeisec.com/jr?p=ie4b26

StatisticServiceImpl的统计计数方法线程安全问题

com.creditease.gateway.service.impl包下的StatisticServiceImpl类的 increament 方法,如下:

	
	/**
	 * 计数操作
	 * 
	 * */
	@Override
	public void increament(String counterName)
	{
		Integer value = map.get(counterName);
		
		if(value!=null)
		{
			Integer added = Integer.sum(value.intValue(), 1);
			
			map.put(counterName, added);
			
		}else
		{
			map.put(counterName, 1);
		}
	}

该方法会存在线程安全问题:在qps比较高的时候,最后统计出的误差确实比较大。
但是解决方案上,也不能贸然直接 atomicinteger,否则在qps高的时候,cas自旋也会耗时较久。

build & start gateway project meet the cors issue

OS: mac majave 10.14.6
brower: chrome 76.0.3809.132
other odds and ends are the same with deploy guidance

issue produce:

  1. git clone the sia-gateway project in master branch, prepared the java, node, maven .etc and do the build & package job.

  2. start the gateway in docker

  3. visit the url http://localhost:18086 by chrome and meet the cors issue as follow
    Access to XMLHttpRequest at 'http://127.0.0.1:18086/vv1/getMutiGroupNames' from origin 'http://localhost:18086' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.

temporary fix the issue and make the sys accessible:
add the following code in sia-gateway/sia-gateway-admin: **.WebMvcConfiguration.java
@Override public void addCorsMappings(CorsRegistry registry) { registry.addMapping("/**") .allowedOrigins("*") .allowedMethods("GET", "HEAD", "POST", "PUT", "PATCH", "DELETE", "OPTIONS", "TRACE"); }

README 错别字

× 日志回溯及查看,利用EKK架构实现日志
√ 日志回溯及查看,利用ELK架构实现日志

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