82 lines
2.1 KiB
Dart
82 lines
2.1 KiB
Dart
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import 'dart:convert';
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import 'package:get/get.dart';
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import '../../app_settings/app_settings.dart';
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import '../io_tool/io_tool.dart';
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import '../sm4Encipher/sm4.dart';
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import '../io_reply.dart';
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import '../io_sender.dart';
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import '../io_type.dart';
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import 'package:crypto/crypto.dart' as crypto;
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//TODO:校时
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class TimingCommand extends SenderProtocol {
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String? lockID;
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String? userID;
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int? nowTime;
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List<int>? token;
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int? needAuthor;
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List<int>? signKey;
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List<int>? privateKey;
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TimingCommand({
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this.lockID,
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this.userID,
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this.nowTime,
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this.token,
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this.needAuthor,
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this.signKey,
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this.privateKey
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}) : super(CommandType.calibrationTime);
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@override
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List<int> messageDetail() {
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List<int> data = [];
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List<int> ebcData = [];
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// 指令类型
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int type = commandType!.typeValue;
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double typeDouble = type / 256;
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int type1 = typeDouble.toInt();
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int type2 = type % 256;
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data.add(type1);
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data.add(type2);
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//lockID 40
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int lockIDLength = utf8.encode(lockID!).length;
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data.addAll(utf8.encode(lockID!));
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data = getFixedLengthList(data, 40 - lockIDLength);
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//userID 要接受钥匙的用户的useid 20
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int userIDLength = utf8.encode(userID!).length;
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data.addAll(utf8.encode(userID!));
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data = getFixedLengthList(data, 20 - userIDLength);
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// nowTime 4
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int? d1 = nowTime;
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data.add((d1! & 0xff000000) >> 24);
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data.add((d1 & 0xff0000) >> 16);
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data.add((d1 & 0xff00) >> 8);
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data.add((d1 & 0xff));
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if ((data.length % 16) != 0) {
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int add = (16 - data.length % 16);
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for (int i = 0; i < add; i++) {
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data.add(0);
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}
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}
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AppLog.log("App发给锁的数据，指令类型是:${commandType!.typeName} 加密之前数据是:$data");
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ebcData = SM4.encrypt(data, key: privateKey, mode: SM4CryptoMode.ECB);
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return ebcData;
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}
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}
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class TimingReply extends Reply {
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TimingReply.parseData(CommandType commandType, List<int> dataDetail)
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: super.parseData(commandType, dataDetail) {
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data = dataDetail;
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int status = data[2];
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errorWithStstus(status);
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}
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} |