content: package com.snow.common.security.interceptor;
  
  import javax.servlet.http.HttpServletRequest;
  import javax.servlet.http.HttpServletResponse;
  import org.springframework.web.method.HandlerMethod;
  import org.springframework.web.servlet.AsyncHandlerInterceptor;
  import com.snow.common.core.constant.SecurityConstants;
  import com.snow.common.core.context.SecurityContextHolder;
  import com.snow.common.core.utils.ServletUtils;
  import com.snow.common.core.utils.StringUtils;
  import com.snow.common.security.auth.AuthUtil;
  import com.snow.common.security.utils.SecurityUtils;
  import com.snow.system.api.model.LoginUser;
  
  /**
   * 自定义请求头拦截器，将Header数据封装到线程变量中方便获取
   * 注意：此拦截器会同时验证当前用户有效期自动刷新有效期
   *
   * @author snow
   */
  public class HeaderInterceptor implements AsyncHandlerInterceptor
  {
      @Override
      public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception
      {
          if (!(handler instanceof HandlerMethod))
          {
              return true;
          }
  
          SecurityContextHolder.setUserId(ServletUtils.getHeader(request, SecurityConstants.DETAILS_USER_ID));
          SecurityContextHolder.setUserName(ServletUtils.getHeader(request, SecurityConstants.DETAILS_USERNAME));
          SecurityContextHolder.setUserKey(ServletUtils.getHeader(request, SecurityConstants.USER_KEY));
  
          String token = SecurityUtils.getToken();
          if (StringUtils.isNotEmpty(token))
          {
              LoginUser loginUser = AuthUtil.getLoginUser(token);
              if (StringUtils.isNotNull(loginUser))
              {
                  AuthUtil.verifyLoginUserExpire(loginUser);
                  SecurityContextHolder.set(SecurityConstants.LOGIN_USER, loginUser);
              }
          }
          return true;
      }
  
      @Override
      public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex)
              throws Exception
      {
          SecurityContextHolder.remove();
      }
  }
  