lidongdong
2022-10-08 42f7620ceea9ffa220a2b35c09e4212dc6818dc0
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package com.dg.core.interceptor;
 
import com.dg.core.Constant;
import com.dg.core.annotation.Authorization;
import com.dg.core.db.gen.entity.SysUser;
import com.dg.core.manager.TokenManager;
import org.apache.catalina.connector.ResponseFacade;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import org.springframework.web.method.HandlerMethod;
import org.springframework.web.servlet.handler.HandlerInterceptorAdapter;
 
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.lang.reflect.Method;
import java.nio.charset.StandardCharsets;
import java.text.SimpleDateFormat;
import java.time.ZoneId;
import java.util.Calendar;
import java.util.Date;
 
/**
 * 自定义拦截器,判断此次请求是否有权限
 */
/**
 * 自定义拦截器,判断此次请求是否有权限
 */
@Component
public class AuthorizationInterceptor extends HandlerInterceptorAdapter {
    @Autowired
    private TokenManager manager;
 
    @Autowired
    com.dg.core.service.ISysUserService IUserService;
 
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        //如果不是映射到方法直接通过
        if (!(handler instanceof HandlerMethod)) {
            return true;
        }
 
        HandlerMethod handlerMethod = (HandlerMethod) handler;
        Method method = handlerMethod.getMethod();
        Object bean = handlerMethod.getBean();
 
        //从header中得到token
        String token = request.getHeader(Constant.AUTHORIZATION);
        //花城token
        String HCtoken = request.getHeader(Constant.HCAUTHORIZATION);
 
        if(StringUtils.isEmpty(token))
        {
            //花城e+   token
            if (manager.checkHCToken(HCtoken)) {
                //如果token验证成功,权限检查通过,将token对应的用户id存在request中,便于之后注入
                request.setAttribute(Constant.CURRENT_USER_ID, manager.getHCUserId(HCtoken));
//            SysUser ss = IUserService.selectData(manager.getHCUserId(HCtoken)+"");
                return true;
            }
 
        }
        else
        {
            if (manager.checkToken(token)) {
                //如果token验证成功,权限检查通过,将token对应的用户id存在request中,便于之后注入
                request.setAttribute(Constant.CURRENT_USER_ID, manager.getUserId(token));
//            SysUser ss = IUserService.selectData(manager.getUserId(token)+"");
                return true;
            }
        }
 
        if(!StringUtils.isEmpty(token))
        {
            //如果验证token失败,并且方法或类注明了Authorization,返回401错误
            if (method.getAnnotation(Authorization.class) != null ||
                    bean.getClass().getAnnotation(Authorization.class) != null)
            {
                String reponse = "{\"result\": 449, \"message\": \"Overdue token\"}";
                response.setStatus(200);
                response.setCharacterEncoding(StandardCharsets.UTF_8.toString());
                ResponseFacade facade = (ResponseFacade) response;
                facade.setContentLength(reponse.getBytes(StandardCharsets.UTF_8).length);
                facade.getWriter().write(reponse);
                return false;
            }
        }
        return true;
    }
}