package com.mindskip.xzs.configuration.spring.wechat;
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import com.mindskip.xzs.base.SystemCode;
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import com.mindskip.xzs.configuration.spring.security.RestUtil;
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import com.mindskip.xzs.context.WechatContext;
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import com.mindskip.xzs.domain.User;
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import com.mindskip.xzs.domain.UserToken;
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import com.mindskip.xzs.service.UserService;
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import com.mindskip.xzs.service.UserTokenService;
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import org.apache.commons.lang3.StringUtils;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Component;
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import org.springframework.web.servlet.HandlerInterceptor;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import java.util.Date;
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/**
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* @version 2.2.0
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* @description: 微信拦截器
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* Copyright (C), 2020-2021, 武汉思维跳跃科技有限公司
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* @date 2021 /9/7 9:45
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*/
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@Component
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public class TokenHandlerInterceptor implements HandlerInterceptor {
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private final UserTokenService userTokenService;
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private final UserService userService;
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private final WechatContext wechatContext;
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/**
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* Instantiates a new Token handler interceptor.
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*
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* @param userTokenService the user token service
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* @param userService the user service
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* @param wechatContext the wechat context
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*/
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@Autowired
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public TokenHandlerInterceptor(UserTokenService userTokenService, UserService userService, WechatContext wechatContext) {
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this.userTokenService = userTokenService;
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this.userService = userService;
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this.wechatContext = wechatContext;
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}
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@Override
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public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
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String token = request.getHeader("token");
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if (StringUtils.isEmpty(token)) {
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RestUtil.response(response, SystemCode.UNAUTHORIZED);
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return false;
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}
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if (StringUtils.isBlank(token)) {
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RestUtil.response(response, SystemCode.UNAUTHORIZED);
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return false;
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}
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if (token.length() != 36) {
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RestUtil.response(response, SystemCode.UNAUTHORIZED);
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return false;
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}
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UserToken userToken = userTokenService.getToken(token);
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if (null == userToken) {
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RestUtil.response(response, SystemCode.UNAUTHORIZED);
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return false;
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}
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Date now = new Date();
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User user = userService.getUserByUserName(userToken.getUserName());
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if (now.before(userToken.getEndTime())) {
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wechatContext.setContext(user, userToken);
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return true;
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} else { //refresh token
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UserToken refreshToken = userTokenService.insertUserToken(user);
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RestUtil.response(response, SystemCode.AccessTokenError.getCode(), SystemCode.AccessTokenError.getMessage(), refreshToken.getToken());
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return false;
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}
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}
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}
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