修复SpringBoot Actuator未授权访问遇到的问题-Toy模板网

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原由：风险检测扫出漏洞

访问http://xxx.xx.x/actuator 会直接获取到系统监控信息，存在安全问题，禁用actuator

1.禁用/env接口

缺点：谁都不可以访问不够灵活

会展示部分信息，漏扫严格的话建议替换其他方法
management:
  endpoint:
    env:
      enabled: false
2.直接屏蔽所有端口

缺点：谁都不可以访问不够灵活
management:
  endpoints:
    web:
      exposure:
        include: "*"
    enabled-by-default: false
3.引入spring-boot-starter-security依赖，增加登录认证
<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-security</artifactId>
</dependency>
配置文件增加
spring:
  security:
    user:
      name: admin
      password: admin
management:
  server:
    port: 8099
  endpoints:
    web:
      exposure:
        include: "*"

4.添加全局过滤拦截类，增加登录认证

在项目目录新建config文件夹，新建下面两个文件

1. ActuatorFilter

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import javax.servlet.*;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.util.Base64;
import java.util.Enumeration;

public class ActuatorFilter implements Filter {

    public static final Logger logger = LoggerFactory.getLogger(ActuatorFilter.class);

    public static final String ACTUATOR_SESSION = "ActuatorBasicAuthSession";

    private String userName;

    private String password;

    @Override
    public void init(FilterConfig filterConfig) throws ServletException {
        Enumeration<String> enumeration = filterConfig.getInitParameterNames();
        if (enumeration.hasMoreElements()) {
            this.userName = filterConfig.getInitParameter("actuatorUserName");
            this.password = filterConfig.getInitParameter("actuatorPassword");
        }
        logger.info("ActuatorFilter init success");
    }

    @Override
    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
        HttpServletRequest request = (HttpServletRequest) servletRequest;
        HttpServletResponse response = (HttpServletResponse) servletResponse;
        String path = request.getRequestURI();
        //可以把所有暴露出来的端点路径放在一个集合里面进行判断
        if (path.startsWith("/actuator")) {
            Object actuatorSessionValue = request.getSession().getAttribute(ACTUATOR_SESSION);
            if (actuatorSessionValue == null || !userName.equals(actuatorSessionValue)) {
                String auth = request.getHeader("Authorization");
                if (auth != null && !"".equals(auth)) {
                    //解析认证参数
                    String userAndPass = this.decodeBase64(auth.substring(6));
                    String[] upArr = userAndPass.split(":");
                    if (upArr.length != 2) {
                        this.writeForbiddenCode(response);
                        return;
                    }
                    String iptUser = upArr[0];
                    String iptPass = upArr[1];
                    if (iptUser.equals(this.userName) && iptPass.equals(this.password)) {
                        request.getSession().setAttribute(ACTUATOR_SESSION, this.userName);
                        filterChain.doFilter(request, response);
                        return;
                    }
                    this.writeForbiddenCode(response);
                    return;
                } else {
                    this.writeForbiddenCode(response);
                    return;
                }
            }
        }
        filterChain.doFilter(request, response);
    }

    /**
     * 未认证时返回401认证页面
     *
     * @param httpServletResponse
     * @throws IOException
     */
    private void writeForbiddenCode(HttpServletResponse httpServletResponse) throws IOException {
        httpServletResponse.setStatus(401);
        httpServletResponse.setHeader("WWW-Authenticate", "Basic realm=\"input Actuator Basic userName & password \"");
        httpServletResponse.getWriter().write("没有权限访问当前资源");
    }

    private String decodeBase64(String source) {
        String decodeStr = null;
        if (source != null) {
            try {
                byte[] bytes = Base64.getDecoder().decode(source);
                decodeStr = new String(bytes);
            } catch (Exception var4) {
                this.logger.error(var4.getMessage(), var4);
            }
        }

        return decodeStr;
    }
}

2. WebMvcConfig

import org.springframework.boot.web.servlet.FilterRegistrationBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;

@Configuration
public class WebMvcConfig implements WebMvcConfigurer {

    @Bean
    public FilterRegistrationBean actuatorFilter () {
        FilterRegistrationBean registrationBean = new FilterRegistrationBean();
        registrationBean.setFilter(new ActuatorFilter());
        registrationBean.setName("actuator");
        registrationBean.addUrlPatterns("/*");
        registrationBean.setOrder(Integer.MAX_VALUE);

        //用户名密码可以配置在配置文件中或者配置中心
        registrationBean.addInitParameter("actuatorUserName", "admin");
        registrationBean.addInitParameter("actuatorPassword", "123456");
        return  registrationBean;
    }
}

配置文件增加

management:
  endpoints:
    web:
      exposure:
        include: "*"
  endpoint:
    health:
      show-details: always

never：不展示详细信息，up或者down的状态，默认配置
when-authorized：详细信息将会展示给通过认证的用户。授权的角色可以通过management.endpoint.health.roles配置
always：对所有用户暴露详细信息

建议用方法3增加security的认证文章来源地址https://www.toymoban.com/news/detail-509721.html

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修复SpringBoot Actuator未授权访问遇到的问题

原由：风险检测扫出漏洞

1.禁用/env接口

2.直接屏蔽所有端口

3.引入spring-boot-starter-security依赖，增加登录认证

4.添加全局过滤拦截类，增加登录认证

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