api/src/main/java/com/xjrsoft/module/schedule/util/ScheduleUtil.java

package com.xjrsoft.module.schedule.util;

import cn.dev33.satoken.secure.SaSecureUtil;
import lombok.extern.slf4j.Slf4j;

import javax.crypto.Mac;
import javax.crypto.spec.SecretKeySpec;
import java.io.*;
import java.net.HttpURLConnection;
import java.net.URL;
import java.nio.charset.StandardCharsets;
import java.util.HashMap;
import java.util.Map;

/**
 * @author dzx
 * @date 2024/1/9
 */
@Slf4j
public class ScheduleUtil {
    public static final String ALGORITHM = "HmacSHA256";
    public static final String apiUrl = "http://219.153.208.37:20000/api/v1/ScheduleFlowV2/OpenApi/";
    public static final String password = "@ak8To$xSHFoT6FoqsqYb3";
    public static final String secert = "UUXQ8G4W9IU";
    public static final String hostUrl = "http://219.153.208.37:20000";
//    private static JianyuekbConfig jianyuekbConfig;

    //    public ScheduleUtil(JianyuekbConfig jianyuekbConfig){
//        this.jianyuekbConfig = jianyuekbConfig;
//    }
    private static String calculateHMac(String key, String data) throws Exception {
        Mac sha256_HMAC = Mac.getInstance(ALGORITHM);

        SecretKeySpec secret_key = new SecretKeySpec(key.getBytes(StandardCharsets.UTF_8), ALGORITHM);
        sha256_HMAC.init(secret_key);

        return byteArrayToHex(sha256_HMAC.doFinal(data.getBytes(StandardCharsets.UTF_8)));
    }

    public static String byteArrayToHex(byte[] a) {
        StringBuilder sb = new StringBuilder(a.length * 2);
        for (byte b : a)
            sb.append(String.format("%02x", b));
        return sb.toString();
    }

    public static String createSign(Long timestamp) throws Exception {
        String md5Str = SaSecureUtil.md5(ScheduleUtil.password + timestamp);
        return calculateHMac(ScheduleUtil.secert, md5Str);
    }

    public static String doPost(String httpUrl, String param, String sign, Long timestamp) {
        HttpURLConnection connection = null;
        InputStream is = null;
        OutputStream os = null;
        BufferedReader br = null;
        String result = null;
        OutputStreamWriter writer = null;
        try {
            URL url = new URL(httpUrl);
            // 通过远程url连接对象打开连接
            connection = (HttpURLConnection) url.openConnection();
            connection.setRequestProperty("schoolId", secert);
            connection.setRequestProperty("sign", sign);
            connection.setRequestProperty("timestamp", String.format("%d", timestamp));
            // 设置连接请求方式
            connection.setRequestMethod("POST");
            // 设置连接主机服务器超时时间：15000毫秒
            connection.setConnectTimeout(15000);
            // 设置读取主机服务器返回数据超时时间：60000毫秒
            connection.setReadTimeout(60000);
            // 默认值为：false，当向远程服务器传送数据/写数据时，需要设置为true
            connection.setDoOutput(true);
            // 默认值为：true，当前向远程服务读取数据时，设置为true，该参数可有可无
            connection.setDoInput(true);
            // 设置传入参数的格式:请求参数应该是 name1=value1&name2=value2 的形式。
            connection.setRequestProperty("Content-Type", "application/json");
            // 设置鉴权信息：Authorization: Bearer da3efcbf-0845-4fe3-8aba-ee040be542c0
//            connection.setRequestProperty("Authorization", "Bearer da3efcbf-0845-4fe3-8aba-ee040be542c0");
            writer = new OutputStreamWriter(connection.getOutputStream(), StandardCharsets.UTF_8);
            //body参数放这里
            writer.write(param);
            writer.flush();

            writer.close();

            if (connection.getResponseCode() == 200) {
                is = connection.getInputStream();
                // 对输入流对象进行包装:charset根据工作项目组的要求来设置
                br = new BufferedReader(new InputStreamReader(is, StandardCharsets.UTF_8));
                StringBuffer sbf = new StringBuffer();
                String temp = null;
                // 循环遍历一行一行读取数据
                while ((temp = br.readLine()) != null) {
                    sbf.append(temp);
                    sbf.append("\r\n");
                }
                result = sbf.toString();
            } else {
                is = connection.getInputStream();
                // 对输入流对象进行包装:charset根据工作项目组的要求来设置
                br = new BufferedReader(new InputStreamReader(is, StandardCharsets.UTF_8));
                StringBuffer sbf = new StringBuffer();
                String temp = null;
                // 循环遍历一行一行读取数据
                while ((temp = br.readLine()) != null) {
                    sbf.append(temp);
                    sbf.append("\r\n");
                }
                log.error(sbf.toString());
            }
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            // 关闭资源
            if (null != br) {
                try {
                    br.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
            if (null != os) {
                try {
                    os.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
            if (null != is) {
                try {
                    is.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
            // 断开与远程地址url的连接
            connection.disconnect();
        }
        return result;
    }

    public static Map<Integer, String> getWeek() {
        Map<Integer, String> weekMap = new HashMap<>();
        weekMap.put(1, "周一");
        weekMap.put(2, "周二");
        weekMap.put(3, "周三");
        weekMap.put(4, "周四");
        weekMap.put(5, "周五");
        weekMap.put(6, "周六");
        weekMap.put(7, "周日");
        return weekMap;
    }

    public static Map<Integer, Integer> getTmePeriod() {
        Map<Integer, Integer> map = new HashMap<>();
        map.put(1, 0);
        map.put(2, 1);
        map.put(3, 2);
        map.put(4, 3);
        return map;
    }

}