package com.ltkj.web.controller.api.filter;

import com.ltkj.web.controller.api.utils.CryptoUtil;
import com.ltkj.web.controller.api.wrapper.DecryptRequestWrapper;
import org.springframework.boot.web.servlet.FilterRegistrationBean;
import org.springframework.context.annotation.Bean;
import org.springframework.stereotype.Component;

import javax.servlet.*;
import javax.servlet.annotation.WebFilter;
import javax.servlet.http.HttpServletRequest;
import java.io.BufferedReader;
import java.io.IOException;
import java.util.stream.Collectors;

//@Component
//@WebFilter(urlPatterns = {"/api/cusViewReport", "/api/cusReportData", "/api/getCusInfo"})
public class DecryptFilter implements Filter {

    @Override
    public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
        HttpServletRequest httpRequest = (HttpServletRequest) request;

        String body = new BufferedReader(httpRequest.getReader()).lines()
                .collect(Collectors.joining(System.lineSeparator()));
        System.out.println("请求数据："+body);
        try {
            String decryptedBody = CryptoUtil.decrypt(body);
            System.out.println("解密后："+decryptedBody);
            DecryptRequestWrapper wrappedRequest = new DecryptRequestWrapper(httpRequest, decryptedBody);
            chain.doFilter(wrappedRequest, response);
        } catch (Exception e) {
            throw new ServletException("请求体解密失败", e);
        }
    }
}