app-starlock/lib/blue/io_protocol/io_checkingUserInfoCount.dart

//TODO:查询用户、指纹、密码、卡片数量(用于判断是否同步)
import 'dart:convert';

import '../io_reply.dart';
import '../io_sender.dart';
import '../io_tool/io_tool.dart';
import '../io_type.dart';
import '../sm4Encipher/sm4.dart';
import 'package:crypto/crypto.dart' as crypto;

class SenderCheckingUserInfoCountCommand extends SenderProtocol {

  String? keyID;
  String? userID;
  int? role;
  int? nowTime;
  List<int>? token;
  int? needAuthor;
  List<int>? publicKey;
  List<int>? privateKey;

  SenderCheckingUserInfoCountCommand({
    this.keyID,
    this.userID,
    this.role,
    this.nowTime,
    this.token,
    this.needAuthor,
    this.publicKey,
    this.privateKey,
  }) : super(CommandType.generalExtendedCommond);


  @override
  String toString() {
    return 'SenderCheckingUserInfoCountCommand{keyID: $keyID, userID: $userID,'
        ' role: $role, nowTime: $nowTime, token: $token, '
        'needAuthor: $needAuthor, publicKey: $publicKey, privateKey: $privateKey}';
  }

  @override
  List<int> messageDetail() {
    List<int> data = [];
    List<int> subData = [];
    List<int> ebcData = [];

    // 指令类型
    int type = commandType!.typeValue;
    double typeDouble = type / 256;
    int type1 = typeDouble.toInt();
    int type2 = type % 256;
    data.add(type1);
    data.add(type2);

    // 子命令类型
    data.add(15);

    // keyID 40
    int keyIDLength = utf8.encode(keyID!).length;
    subData.addAll(utf8.encode(keyID!));
    subData = getFixedLengthList(subData, 40 - keyIDLength);

    //userID  20
    int userIDLength = utf8.encode(userID!).length;
    subData.addAll(utf8.encode(userID!));
    subData = getFixedLengthList(subData, 20 - userIDLength);

    // Role
    subData.add(role!);

    // time
    subData.add((nowTime! & 0xff000000) >> 24);
    subData.add((nowTime! & 0xff0000) >> 16);
    subData.add((nowTime! & 0xff00) >> 8);
    subData.add((nowTime! & 0xff));

    // token
    // subData.addAll(token!);

    if(needAuthor == 0){
      //AuthCodeLen  1
      subData.add(0);
    } else {
      List<int> authCodeData = [];

      //authUserID
      authCodeData.addAll(utf8.encode(userID!));

      //KeyID
      authCodeData.addAll(utf8.encode(keyID!));

      //token 4 首次请求 Token 填 0，如果锁需要鉴权操作者身份，则会分配动态口令并在应答消息中返回，二次请求时带上。
      authCodeData.addAll(token!);

      authCodeData.addAll(publicKey!);

      // 把KeyID、authUserID、时间戳、公钥通过md5加密之后就是authCode
      var authCode = crypto.md5.convert(authCodeData);

      subData.add(authCode.bytes.length);
      subData.addAll(authCode.bytes);
    }

    data.add(subData.length);
    data.addAll(subData);

    if ((data.length % 16) != 0) {
      int add = (16 - data.length % 16);
      for (int i = 0; i < add; i++) {
        data.add(0);
      }
    }

    printLog(data);
    // 拿到数据之后通过LockId进行SM4 ECB加密 key:544d485f633335373034383064613864
    ebcData = SM4.encrypt(data, key: privateKey, mode: SM4CryptoMode.ECB);
    return ebcData;
  }
}

class SenderCheckingUserInfoCountReply extends Reply {
  SenderCheckingUserInfoCountReply.parseData(CommandType commandType, List<int> dataDetail)
      : super.parseData(commandType, dataDetail) {
    data = dataDetail;
    int status = data[2];
    errorWithStstus(status);
  }
}