功能完善/回滚数据之后新增的填哥的代码

liuhaonan

2022-01-18 51b53373d150e4107a51fcf502d0598b7d82c455

 sandu-common/src/main/java/com/sandu/common/security/TokenFilter.java

@@ -1,22 +1,19 @@
package com.sandu.common.security;

import com.sandu.common.redis.online.OnlineUser;
import com.sandu.common.redis.online.OnlineUserService;
import cn.hutool.core.util.StrUtil;
import com.sandu.common.security.config.SecurityProperties;
import com.sandu.common.security.jwt.JwtTokenProvider;
import com.sandu.common.util.SpringContextHolder;
import com.sandu.common.security.token.TokenProvider;
import lombok.AllArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.util.StringUtils;
import org.springframework.web.filter.GenericFilterBean;
import org.springframework.web.filter.OncePerRequestFilter;

import javax.servlet.FilterChain;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
@@ -26,40 +23,32 @@
 * @author chenjiantian
 */
@Slf4j
public class TokenFilter extends GenericFilterBean {
@AllArgsConstructor
public class TokenFilter extends OncePerRequestFilter {

    private final JwtTokenProvider tokenProvider;

    public TokenFilter(JwtTokenProvider tokenProvider) {
        this.tokenProvider = tokenProvider;
    }
    private final TokenProvider tokenProvider;
    private final SecurityProperties properties;

    @Override
    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain)
            throws IOException, ServletException {
        HttpServletRequest httpServletRequest = (HttpServletRequest) servletRequest;
        String token = tokenProvider.getToken(httpServletRequest);
        SecurityProperties properties = SpringContextHolder.getBean(SecurityProperties.class);
    protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response, FilterChain filterChain) throws ServletException, IOException {
        String token = request.getHeader(properties.getHeader());

        if (token != null && token.startsWith(properties.getTokenStartWith())) {
            token = token.substring(properties.getTokenStartWith().length());
        }

        if (StringUtils.hasText(token) && tokenProvider.validateToken(token)) {
            Authentication authentication = tokenProvider.getAuthentication(token);
            // 是否使用redis缓存用户功能
            if (!properties.isCacheOnline()) {
                SecurityContextHolder.getContext().setAuthentication(authentication);
            } else {
                OnlineUserService onlineUserService = SpringContextHolder.getBean(OnlineUserService.class);
                OnlineUser onlineUser = onlineUserService.getOne(properties.getOnlineKey() + ((UserDetails) authentication.getPrincipal()).getUsername());
                if (onlineUser != null) {
                    // 匹配上当前用户的token才合法，防止jwt不受控制
                    if (token.equals(onlineUser.getToken())) {
        LoginUserInfo loginUserInfo = tokenProvider.validateToken(token);
        if (loginUserInfo != null) {
            if (StrUtil.equals(loginUserInfo.getToken(), token)) {
                Authentication authentication = new UsernamePasswordAuthenticationToken(
                        loginUserInfo, null,
                        loginUserInfo.getAuthorities());
                        SecurityContextHolder.getContext().setAuthentication(authentication);
                    }
                }
            }
        }

        filterChain.doFilter(servletRequest, servletResponse);

        filterChain.doFilter(request, response);
    }

}