過濾器過濾瀏覽器swagger-ui.html請求,和springboot的攔截器,如何使用


先說下springboot的攔截器!

我的需求是測試提出了,在生產環境下,swagger-ui.html 不應該可以訪問,再網上看了很多yml的配置,由於我集成的swagger是引入提取的公共jar包,不方便大規模改動

於是就考慮用攔截器攔截瀏覽器的swagger-ui.html 這個請求

如下,是寫了個配置文件,攔截請求,返回404,但是有個問題,就是 /v2/api-docs這個文件是攔截不了的,貌似是因為他是靜態文件,但是我也不知道是什么原因,反正就是很郁悶,攔截不了

 

package com.ehl.citycockpit.web.swagger;

import lombok.extern.slf4j.Slf4j;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Profile;
import org.springframework.http.HttpStatus;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;


@Profile("!swagger")
@RestController
@Slf4j
@Configuration
public class SwaggerConfig implements WebMvcConfigurer {


    @Override
    public void addInterceptors(InterceptorRegistry registry) {
        /**
         *此處攔截路徑(/**)
         * 注意兩個**。一個*號只攔截一級路徑下,兩個*號攔截所有
         */
        registry.addInterceptor(new HandlerInterceptor() {
            @Override
            public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) {
                log.info("request請求地址path[{}] uri[{}]", request.getServletPath(), request.getRequestURI());
                //這里的異常是我自定義的異常,系統拋出異常后框架捕獲異常然后轉為統一的格式返回給前端, 其實這里也可以返回false
                response.setStatus(HttpStatus.NOT_FOUND.value());
                return false;
            }
        //下面的這個兩個方法如果用不到可以不實現
            @Override
            public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView)
                    throws Exception {
            }

            @Override
            public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex)
                    throws Exception {
            }
        }).addPathPatterns("/swagger-ui.html");


    }


}

 

然后繼續說另外一種過濾器的方法

首先,實現implement filter 然后重寫 doFilter  代碼如下

 

package com.ehl.citycockpit.config;

import com.esotericsoftware.minlog.Log;
import net.hasor.utils.StringUtils;

import javax.servlet.*;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashSet;
import java.util.Set;

public class ApiCorsFilter implements Filter {
    //過濾swagger的相關請求,如果需要用到swagger刪除如下代碼即可,想攔截其他內容可以在下方配置!
    private static final Set<String> ALLOWED_PATHS = Collections.unmodifiableSet(new HashSet<>(
            Arrays.asList("/swagger-ui.html", "/v2/api-docs")));


    @Override
    public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
        if (request instanceof HttpServletRequest && response instanceof HttpServletResponse) {
            HttpServletRequest httpServletRequest = (HttpServletRequest) request;
            HttpServletResponse httpServletResponse = (HttpServletResponse) response;
} HttpServletRequest request1
= (HttpServletRequest) request;       //獲取請求路徑 String path = request1.getRequestURI().substring(request1.getContextPath().length()).replaceAll("[/]+$", ""); boolean filterPath = ALLOWED_PATHS.contains(path);       //判斷路徑是否包含你想過濾的內容 if (filterPath) { Log.info("這里是需要處理的url進入的方法"); } else { Log.info("這里是不需要處理的url進入的方法"); chain.doFilter(request, response); } } }

 

如果不想用這種方式可以參考其他yml配置的方式,根據不同問題找合適的結局方法,還請大佬指點為什么攔截器不能攔截 /v2/api-docs

 


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