package com.zy.asrs.wcs.common.security;
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import com.zy.asrs.framework.common.Cools;
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import com.zy.asrs.wcs.common.config.ConfigProperties;
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import com.zy.asrs.wcs.common.constant.Constants;
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import com.zy.asrs.wcs.system.entity.Menu;
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import com.zy.asrs.wcs.system.entity.User;
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import com.zy.asrs.wcs.system.entity.UserLogin;
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import com.zy.asrs.wcs.system.service.UserLoginService;
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import com.zy.asrs.wcs.system.service.UserService;
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import com.zy.asrs.wcs.utils.HttpUtils;
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import com.zy.asrs.wcs.utils.JwtUtil;
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import io.jsonwebtoken.Claims;
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import io.jsonwebtoken.ExpiredJwtException;
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import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
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import org.springframework.security.core.context.SecurityContextHolder;
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import org.springframework.security.core.userdetails.UsernameNotFoundException;
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import org.springframework.security.web.util.matcher.AntPathRequestMatcher;
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import org.springframework.stereotype.Component;
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import org.springframework.web.filter.OncePerRequestFilter;
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import javax.annotation.Resource;
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import javax.servlet.FilterChain;
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import javax.servlet.ServletException;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.Date;
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import java.util.List;
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import java.util.stream.Collectors;
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/**
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* 处理携带token的请求过滤器
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*
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*/
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@Component
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public class JwtAuthenticationFilter extends OncePerRequestFilter {
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public static final ArrayList<String> WHITE_LIST = new ArrayList<String>(){
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private static final long serialVersionUID = 1L;
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{
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add("xltys1995");
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}
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};
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@Resource
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private ConfigProperties configProperties;
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@Resource
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private UserService userService;
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@Resource
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private UserLoginService userLoginService;
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@Override
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protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response, FilterChain chain) throws ServletException, IOException {
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String access_token = JwtUtil.getAccessToken(request);
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for (String filterPath : SecurityConfig.FILTER_PATH) {
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AntPathRequestMatcher antPathMatcher = new AntPathRequestMatcher(filterPath);
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if (antPathMatcher.matches(request)) {
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access_token = "";
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}
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}
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if (!Cools.isEmpty(access_token)) {
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try {
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User user;
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// 白名单
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if (WHITE_LIST.contains(access_token)) {
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user = userService.getByUsername("root", 1L);
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if (user == null) {
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throw new UsernameNotFoundException("Username not found");
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}
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List<Menu> authorities = user.getAuthorities().stream()
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.filter(m -> !Cools.isEmpty(m.getAuthority())).collect(Collectors.toList());
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UsernamePasswordAuthenticationToken authentication = new UsernamePasswordAuthenticationToken(
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user, null, authorities);
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SecurityContextHolder.getContext().setAuthentication(authentication);
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} else {
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// 解析token
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Claims claims = JwtUtil.parseToken(access_token, configProperties.getTokenKey());
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JwtSubject jwtSubject = JwtUtil.getJwtSubject(claims);
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user = userService.getByUsername(jwtSubject.getUsername(), jwtSubject.getHostId());
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if (user == null) {
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throw new UsernameNotFoundException("Username not found");
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}
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List<Menu> authorities = user.getAuthorities().stream()
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.filter(m -> !Cools.isEmpty(m.getAuthority())).collect(Collectors.toList());
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UsernamePasswordAuthenticationToken authentication = new UsernamePasswordAuthenticationToken(
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user, null, authorities);
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SecurityContextHolder.getContext().setAuthentication(authentication);
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// token将要过期签发新token, 防止突然退出登录
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long expiration = (claims.getExpiration().getTime() - new Date().getTime()) / 1000 / 60;
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if (expiration < configProperties.getTokenRefreshTime()) {
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String token = JwtUtil.buildToken(jwtSubject, configProperties.getTokenExpireTime(),
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configProperties.getTokenKey());
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response.addHeader(Constants.TOKEN_HEADER_NAME, token);
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userLoginService.saveAsync(user.getId(), token, UserLogin.TYPE_REFRESH, user.getHostId(), null, request);
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}
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}
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} catch (ExpiredJwtException e) {
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// e.printStackTrace();
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HttpUtils.responseError(response, Constants.TOKEN_EXPIRED_CODE, Constants.TOKEN_EXPIRED_MSG,
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e.getMessage());
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return;
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} catch (Exception e) {
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e.printStackTrace();
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HttpUtils.responseError(response, Constants.BAD_CREDENTIALS_CODE, Constants.BAD_CREDENTIALS_MSG,
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e.toString());
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return;
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}
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}
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chain.doFilter(request, response);
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}
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}
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