通过feign拦截器,实现用户态传递

Lewis
2022-08-16 / 0 评论 / 25 阅读 / 正在检测是否收录...
/**
 * Feign 配置注册
 *
 **/
@Configuration
public class FeignAutoConfiguration
{
    @Bean
    public RequestInterceptor requestInterceptor()
    {
        return new FeignRequestInterceptor();
    }
}
/**
 * feign 请求拦截器
 * 
 */
@Component
public class FeignRequestInterceptor implements RequestInterceptor
{
    @Override
    public void apply(RequestTemplate requestTemplate)
    {
        HttpServletRequest httpServletRequest = ServletUtils.getRequest();
        if (StringUtils.isNotNull(httpServletRequest))
        {
            Map<String, String> headers = ServletUtils.getHeaders(httpServletRequest);
            // 传递用户信息请求头,防止丢失
            String userId = headers.get(SecurityConstants.DETAILS_USER_ID);
            if (StringUtils.isNotEmpty(userId))
            {
                requestTemplate.header(SecurityConstants.DETAILS_USER_ID, userId);
            }
            String userName = headers.get(SecurityConstants.DETAILS_USERNAME);
            if (StringUtils.isNotEmpty(userName))
            {
                requestTemplate.header(SecurityConstants.DETAILS_USERNAME, userName);
            }
            String authentication = headers.get(SecurityConstants.AUTHORIZATION_HEADER);
            if (StringUtils.isNotEmpty(authentication))
            {
                requestTemplate.header(SecurityConstants.AUTHORIZATION_HEADER, authentication);
            }

            // 配置客户端IP
            requestTemplate.header("X-Forwarded-For", IpUtils.getIpAddr(ServletUtils.getRequest()));
        }
    }
}
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