280 lines
11 KiB
JavaScript
280 lines
11 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.BleCommandFactory = exports.BleParameterIndex = void 0;
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const error_1 = require("./error");
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var BleParameterIndex;
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(function (BleParameterIndex) {
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BleParameterIndex[BleParameterIndex["ZERO"] = -96] = "ZERO";
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BleParameterIndex[BleParameterIndex["ONE"] = -95] = "ONE";
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BleParameterIndex[BleParameterIndex["TWO"] = -94] = "TWO";
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BleParameterIndex[BleParameterIndex["THREE"] = -93] = "THREE";
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BleParameterIndex[BleParameterIndex["FOUR"] = -92] = "FOUR";
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BleParameterIndex[BleParameterIndex["FIVE"] = -91] = "FIVE";
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BleParameterIndex[BleParameterIndex["SIX"] = -90] = "SIX";
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BleParameterIndex[BleParameterIndex["SEVEN"] = -89] = "SEVEN";
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BleParameterIndex[BleParameterIndex["EIGHT"] = -88] = "EIGHT";
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BleParameterIndex[BleParameterIndex["NINE"] = -87] = "NINE";
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BleParameterIndex[BleParameterIndex["TEN"] = -86] = "TEN";
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BleParameterIndex[BleParameterIndex["ELEVEN"] = -85] = "ELEVEN";
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BleParameterIndex[BleParameterIndex["TWELVE"] = -84] = "TWELVE";
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BleParameterIndex[BleParameterIndex["THIRTEEN"] = -83] = "THIRTEEN";
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})(BleParameterIndex || (exports.BleParameterIndex = BleParameterIndex = {}));
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class BleCommandFactory {
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static HEADER = Buffer.from([-1, 9]);
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data;
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commandCode;
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versionCode;
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dataType;
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packageFlag;
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unknown;
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additionalDataSeparatorByte;
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additionalData;
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responseCode;
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encrypted;
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partial;
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static parseLockV12(data) {
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if (typeof data === "string") {
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data = Buffer.from(data, "hex");
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}
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if (data.readInt8(0) !== BleCommandFactory.HEADER[0] && data.readInt8(1) !== BleCommandFactory.HEADER[1]) {
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throw new error_1.BleInvalidDataHeaderError("Invalid BLE data header");
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}
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const fac = new BleCommandFactory();
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fac.setVersionCode(data.readUint8(4));
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fac.setCommandCode(data.readUint8(6));
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fac.setDataType(data.readUint8());
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fac.setPackageFlag(data.readInt8(7));
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fac.setResponseCode(fac.getPackageFlag() === -64 ? data.readUint8(8) : data.readUint8(12));
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fac.setData(data.subarray(fac.getPackageFlag() === -64 ? 8 : 12, data.length - 1)); //TODO: Verify if position 8 is correct for data (i think it should be 9 or 13)...
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if (BleCommandFactory.generateHash(data.subarray(0, data.length - 1)) !== data.readUint8(data.length - 1)) {
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throw new error_1.BleInvalidChecksumError("Invalid BLE data, checksum mismatch");
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}
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return fac;
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}
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static parseSmartSafe(data) {
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return BleCommandFactory.parseLockV12(data);
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}
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static parseSmartLock(data) {
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if (typeof data === "string") {
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data = Buffer.from(data, "hex");
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}
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if (data.length < 9 || (data.readInt8(0) !== BleCommandFactory.HEADER[0] && data.readInt8(1) !== BleCommandFactory.HEADER[1])) {
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throw new error_1.BleInvalidDataHeaderError("Invalid BLE data header");
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}
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if (BleCommandFactory.generateHash(data.subarray(0, data.length - 1)) !== data.readUint8(data.length - 1)) {
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throw new error_1.BleInvalidChecksumError("Invalid BLE data, checksum mismatch");
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}
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const fac = new BleCommandFactory();
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const flags = data.readUint16BE(7);
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fac.setVersionCode(data.readUint8(4));
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fac.setDataType(data.readUint8(6));
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fac.setPartial((flags >> 15) === 1);
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fac.setEncrypted(((flags << 1) >> 15) === 1);
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fac.setCommandCode(((flags << 4) & 32767) >> 4);
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fac.setData(data.subarray(9, data.length - 1));
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return fac;
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}
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toString = () => {
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return `BleCommandFactory (versionCode: ${this.versionCode} commandCode: ${this.commandCode} dataType: ${this.dataType} partial: ${this.partial} encrypted: ${this.encrypted} data: ${this.data?.toString("hex")} packageFlag: ${this.packageFlag} responseCode: ${this.responseCode})`;
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};
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setResponseCode(code) {
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this.responseCode = code;
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}
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getResponseCode() {
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return this.responseCode;
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}
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setVersionCode(version) {
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this.versionCode = version;
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return this;
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}
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getVersionCode() {
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return this.versionCode;
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}
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setCommandCode(command) {
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this.commandCode = command;
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return this;
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}
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getCommandCode() {
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return this.commandCode;
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}
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setDataType(type) {
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this.dataType = type;
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return this;
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}
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getDataType() {
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return this.dataType;
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}
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setPackageFlag(flag) {
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this.packageFlag = flag;
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return this;
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}
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getPackageFlag() {
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return this.packageFlag;
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}
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setAdditionalDataSeparator(separator) {
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this.additionalDataSeparatorByte = Buffer.from([separator]);
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return this;
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}
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getAdditionalDataSeparator() {
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return this.additionalDataSeparatorByte;
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}
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setAdditionalData(data) {
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this.additionalData = data;
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return this;
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}
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getAdditionalData() {
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return this.additionalData;
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}
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setData(data) {
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this.data = data;
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return this;
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}
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getData() {
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return this.data;
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}
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setUnknown(data) {
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this.unknown = data;
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return this;
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}
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static generateHash(data) {
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let result = 0;
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for (const value of data) {
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result = result ^ value;
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}
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return result;
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}
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isEncrypted() {
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return this.encrypted;
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}
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setEncrypted(encrypted) {
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this.encrypted = encrypted;
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return this;
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}
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isPartial() {
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return this.partial;
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}
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setPartial(partial) {
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this.partial = partial;
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return this;
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}
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getLockV12Command() {
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if (this.versionCode === undefined)
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throw new error_1.BleVersionCodeError("BleCommandFactory version code value missing");
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if (this.dataType === undefined)
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throw new error_1.BleDataTypeError("BleCommandFactory data type value missing");
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if (this.commandCode === undefined)
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throw new error_1.BleCommandCodeError("BleCommandFactory command code value missing");
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if (this.data === undefined)
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throw new error_1.BleDataError("BleCommandFactory data value missing");
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if (this.additionalData === undefined)
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throw new error_1.BleAdditionalDataError("BleCommandFactory additional data value missing");
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this.setAdditionalDataSeparator(BleParameterIndex.ZERO);
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const bVersionCode = Buffer.from([this.versionCode]);
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const bDataType = Buffer.from([this.dataType]);
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const bCommandCode = Buffer.from([this.commandCode]);
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const bPackageFlag = this.packageFlag === undefined ? Buffer.from([-64]) : Buffer.from([this.packageFlag]);
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const bAdditionalDataLength = Buffer.from([this.additionalData.length]);
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const size = Buffer.allocUnsafe(2);
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size.writeInt16LE(BleCommandFactory.HEADER.length +
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size.length +
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bVersionCode.length +
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bDataType.length +
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bCommandCode.length +
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bPackageFlag.length +
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this.additionalDataSeparatorByte.length +
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bAdditionalDataLength.length +
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this.additionalData.length +
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this.data.length +
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1 // Hash
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);
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const data = Buffer.concat([
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BleCommandFactory.HEADER,
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size,
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bVersionCode,
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bDataType,
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bCommandCode,
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bPackageFlag,
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this.additionalDataSeparatorByte,
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bAdditionalDataLength,
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this.additionalData,
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this.data
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]);
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const hash = BleCommandFactory.generateHash(data);
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return Buffer.concat([data, Buffer.from([hash])]);
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}
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getSmartSafeCommand() {
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if (this.versionCode === undefined)
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throw new error_1.BleVersionCodeError("BleCommandFactory version code value missing");
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if (this.dataType === undefined)
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throw new error_1.BleDataTypeError("BleCommandFactory data type value missing");
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if (this.commandCode === undefined)
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throw new error_1.BleCommandCodeError("BleCommandFactory command code value missing");
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if (this.data === undefined)
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throw new error_1.BleDataError("BleCommandFactory data value missing");
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const bVersionCode = Buffer.from([this.versionCode]);
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const bDataType = Buffer.from([this.dataType]);
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const bCommandCode = Buffer.from([this.commandCode]);
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const bPackageFlag = this.packageFlag === undefined ? Buffer.from([-64]) : Buffer.from([this.packageFlag]);
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const size = Buffer.allocUnsafe(2);
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size.writeInt16LE(BleCommandFactory.HEADER.length +
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size.length +
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bVersionCode.length +
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bDataType.length +
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bCommandCode.length +
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bPackageFlag.length +
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this.data.length +
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1 // Hash
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);
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const data = Buffer.concat([
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BleCommandFactory.HEADER,
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size,
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bVersionCode,
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bDataType,
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bCommandCode,
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bPackageFlag,
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this.data
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]);
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const hash = BleCommandFactory.generateHash(data);
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return Buffer.concat([data, Buffer.from([hash])]);
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}
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getSmartLockCommand() {
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if (this.versionCode === undefined)
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throw new error_1.BleVersionCodeError("BleCommandFactory version code value missing");
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if (this.dataType === undefined)
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throw new error_1.BleDataTypeError("BleCommandFactory data type value missing");
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if (this.commandCode === undefined)
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throw new error_1.BleCommandCodeError("BleCommandFactory command code value missing");
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if (this.data === undefined)
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throw new error_1.BleDataError("BleCommandFactory data value missing");
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const bVersionCode = Buffer.from([this.versionCode]);
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const bDataType = Buffer.from([this.dataType]);
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const unknown = Buffer.alloc(1);
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const partial = false;
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const encrypted = true;
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const commandCodeEncoded = Buffer.allocUnsafe(2);
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commandCodeEncoded.writeInt16BE(((partial ? 1 : 0) << 15) + ((encrypted ? 1 : 0) << 14) + this.commandCode);
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const size = Buffer.allocUnsafe(2);
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size.writeInt16LE(BleCommandFactory.HEADER.length +
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size.length +
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bVersionCode.length +
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unknown.length +
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bDataType.length +
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commandCodeEncoded.length +
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this.data.length +
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1 // Hash
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);
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const data = Buffer.concat([
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BleCommandFactory.HEADER,
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size,
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bVersionCode,
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unknown,
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bDataType,
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commandCodeEncoded,
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this.data
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]);
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const hash = BleCommandFactory.generateHash(data);
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return Buffer.concat([data, Buffer.from([hash])]);
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}
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}
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exports.BleCommandFactory = BleCommandFactory;
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//# sourceMappingURL=ble.js.map
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