服务器认证

import com.utils.CheckUtil;
import com.utils.MessageUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.http.HttpServletRequest;
import java.util.Date;
import java.util.Map;


@RestController
public class WeChatAuth {

    private static final Logger LOGGER = LoggerFactory.getLogger(WeChatAuth.class);


    @Autowired
    private HttpServletRequest request;
    @GetMapping("auth")
    public String getAuth(String signature, String timestamp, String nonce, String echostr) {
        if (CheckUtil.checkSignature(signature, timestamp, nonce)) {
            return echostr;
        }
        return "校验失败";
    }


    @PostMapping("auth")
    public String postAuth(String signature, String timestamp, String nonce, String echostr) {
        try {
            Map, String> map = MessageUtils.xmlToMap(request);
            String toUserName = map.get("ToUserName");//开发者微信号
            String fromUserName = map.get("FromUserName");//发送方帐号（一个OpenID）
            String createTime = map.get("CreateTime");//消息创建时间 （整型）
            String msgType = map.get("MsgType");//text
            String content = map.get("Content");//文本消息内容
            String msgId = map.get("MsgId");//消息id，64位整型

            if (MessageUtils.MESSAGE_TEXT.equals(msgType)) {
                return MessageUtils.initText(toUserName, fromUserName, content);
            }

            if (MessageUtils.MESSAGE_EVENT.equals(msgType)) {
                String eventType = map.get("Event");
                //关注事件
                if (MessageUtils.MESSAGE_SUBSCRIBE.equals(eventType)) {
                    return MessageUtils.initText(toUserName, fromUserName, "欢迎关注我们");
                }
            }
        } catch (Exception e) {
            LOGGER.error("{}", e);
        }

        return "校验失败";
    }

}