open-JSD-10203/src/main/java/com/fr/plugin/xx/zyjn/handler/action/BaseHandler.java

package com.fr.plugin.xx.zyjn.handler.action;

import com.fr.decision.fun.impl.BaseHttpHandler;
import com.fr.general.IOUtils;
import com.fr.json.JSONObject;
import com.fr.plugin.xx.zyjn.utils.LogUtils;
import com.fr.stable.StringUtils;
import com.fr.third.org.apache.commons.codec.digest.DigestUtils;
import com.fr.web.utils.WebUtils;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.nio.charset.StandardCharsets;
import java.text.SimpleDateFormat;
import java.util.Date;

/**
 * @Author xx
 * @Date 2022/10/27
 * @Description
 **/
public abstract class BaseHandler extends BaseHttpHandler {

    private final static String PREFIX = "jynsh";

    @Override
    public void handle(HttpServletRequest req, HttpServletResponse res) throws Exception {
        String tokenId = req.getHeader("tokenId");
        String format = new SimpleDateFormat("yyyy-MM-dd").format(new Date());
        if (!StringUtils.equals(DigestUtils.md5Hex((PREFIX + format).getBytes(StandardCharsets.UTF_8)).toLowerCase(), tokenId)) {
            setError(res, "报文认证不通过");
            return;
        }
        String body = IOUtils.inputStream2String(req.getInputStream());
        if (StringUtils.isBlank(body)) {
            setError(res, "请求内容不能为空");
            return;
        }
        JSONObject object = null;
        try {
            object = new JSONObject(body);
        } catch (Exception e) {
            setError(res, "报文格式非json");
        }
        if (!object.has("sn")) {
            setError(res, "请求sn不能为空");
            return;
        }
        LogUtils.debug4plugin("sync url is {} body is {}", req.getRequestURI(), body);
        sync(res, object);


    }

    abstract void sync(HttpServletResponse res, JSONObject entity) throws Exception;

    protected void setError(HttpServletResponse res, String mess) {
        try {
            JSONObject error = JSONObject.create().put("code", 1).put("msg", mess);
            WebUtils.printAsJSON(res, error);
        } catch (Exception e) {
            LogUtils.error(e.getMessage(), e);
        }
    }
}