package com.zbkj.admin.filter;

import cn.hutool.core.util.ObjectUtil;
import com.zbkj.common.vo.LoginUserVo;
import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.web.authentication.WebAuthenticationDetailsSource;
import org.springframework.web.filter.OncePerRequestFilter;

import javax.annotation.Resource;
import javax.servlet.FilterChain;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * token过滤器 验证token有效性
 */
public class JwtAuthenticationTokenFilter extends OncePerRequestFilter {

    @Resource
    private TokenComponent tokenComponent;

    @Override
    protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response, FilterChain filterChain) throws ServletException, IOException {
        LoginUserVo loginUser = tokenComponent.getLoginUser(request);
//        if (ObjectUtil.isNotNull(loginUser) && StringUtils.isNull(SecurityUtils.getAuthentication())) {
        if (ObjectUtil.isNotNull(loginUser)) {
            tokenComponent.verifyToken(loginUser);
            UsernamePasswordAuthenticationToken authenticationToken = new UsernamePasswordAuthenticationToken(loginUser, null, loginUser.getAuthorities());
            authenticationToken.setDetails(new WebAuthenticationDetailsSource().buildDetails(request));
            // 将authentication信息放入到上下文对象中
            SecurityContextHolder.getContext().setAuthentication(authenticationToken);
        }
        filterChain.doFilter(request, response);
    }
}