|  |  | 
 |  |  | package com.genersoft.iot.vmp.conf.security; | 
 |  |  |  | 
 |  |  | import com.genersoft.iot.vmp.conf.UserSetting; | 
 |  |  | import com.genersoft.iot.vmp.conf.security.dto.JwtUser; | 
 |  |  | import com.genersoft.iot.vmp.storager.dao.dto.Role; | 
 |  |  | import com.genersoft.iot.vmp.storager.dao.dto.User; | 
 |  |  | import org.apache.commons.lang3.StringUtils; | 
 |  |  | import org.springframework.beans.factory.annotation.Autowired; | 
 |  |  | import org.springframework.security.authentication.UsernamePasswordAuthenticationToken; | 
 |  |  | import org.springframework.security.core.context.SecurityContextHolder; | 
 |  |  | import org.springframework.stereotype.Component; | 
 |  |  | 
 |  |  | public class JwtAuthenticationFilter extends OncePerRequestFilter { | 
 |  |  |  | 
 |  |  |  | 
 |  |  |     @Autowired | 
 |  |  |     private UserSetting userSetting; | 
 |  |  |  | 
 |  |  |  | 
 |  |  |     @Override | 
 |  |  |     protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response, FilterChain chain) throws IOException, ServletException { | 
 |  |  |  | 
 |  |  |         // 忽略登录请求的token验证 | 
 |  |  |         String requestURI = request.getRequestURI(); | 
 |  |  |         if (requestURI.equalsIgnoreCase("/api/user/login")) { | 
 |  |  |             chain.doFilter(request, response); | 
 |  |  |             return; | 
 |  |  |         } | 
 |  |  |         if (!userSetting.isInterfaceAuthentication()) { | 
 |  |  |             UsernamePasswordAuthenticationToken token = new UsernamePasswordAuthenticationToken(null, null, new ArrayList<>() ); | 
 |  |  |             SecurityContextHolder.getContext().setAuthentication(token); | 
 |  |  |             chain.doFilter(request, response); | 
 |  |  |             return; | 
 |  |  |         } | 
 |  |  |         String jwt = request.getHeader(JwtUtils.getHeader()); | 
 |  |  |         // 这里如果没有jwt,继续往后走,因为后面还有鉴权管理器等去判断是否拥有身份凭证,所以是可以放行的 | 
 |  |  |         // 没有jwt相当于匿名访问,若有一些接口是需要权限的,则不能访问这些接口 | 
 |  |  |         if (StringUtils.isBlank(jwt)) { | 
 |  |  |             chain.doFilter(request, response); | 
 |  |  |             return; | 
 |  |  |             jwt = request.getParameter(JwtUtils.getHeader()); | 
 |  |  |             if (StringUtils.isBlank(jwt)) { | 
 |  |  |                 chain.doFilter(request, response); | 
 |  |  |                 return; | 
 |  |  |             } | 
 |  |  |         } | 
 |  |  |  | 
 |  |  |  | 
 |  |  |         JwtUser jwtUser = JwtUtils.verifyToken(jwt); | 
 |  |  |         String username = jwtUser.getUserName(); | 
 |  |  | 
 |  |  |             default: | 
 |  |  |         } | 
 |  |  |  | 
 |  |  | //        String password = SecurityUtils.encryptPassword(jwtUser.getPassword()); | 
 |  |  | //        user.setPassword(password); | 
 |  |  |  | 
 |  |  |         // 构建UsernamePasswordAuthenticationToken,这里密码为null,是因为提供了正确的JWT,实现自动登录 | 
 |  |  |         UsernamePasswordAuthenticationToken token = new UsernamePasswordAuthenticationToken(username, jwtUser.getPassword(), new ArrayList<>() ); | 
 |  |  |         User user = new User(); | 
 |  |  |         user.setUsername(jwtUser.getUserName()); | 
 |  |  |         user.setPassword(jwtUser.getPassword()); | 
 |  |  |         Role role = new Role(); | 
 |  |  |         role.setId(jwtUser.getRoleId()); | 
 |  |  |         user.setRole(role); | 
 |  |  |         UsernamePasswordAuthenticationToken token = new UsernamePasswordAuthenticationToken(user, jwtUser.getPassword(), new ArrayList<>() ); | 
 |  |  |         SecurityContextHolder.getContext().setAuthentication(token); | 
 |  |  |         chain.doFilter(request, response); | 
 |  |  |     } |