broadlinkjs-dw
Version:
A Node.JS library for controlling Broadlink devices (modified)
586 lines (536 loc) • 15.2 kB
JavaScript
let util = require('util');
let EventEmitter = require('events');
let dgram = require('dgram');
let os = require('os');
let crypto = require('crypto');
var Broadlink = module.exports = function () {
EventEmitter.call(this);
this.devices = {};
}
Broadlink.prototype.genDevice = function (devtype, host, mac) {
var dev;
if (devtype == 0) { // SP1
dev = new device(host, mac);
dev.sp1();
return dev;
} else if (devtype == 0x2711) { // SP2
dev = new device(host, mac);
dev.sp2();
return dev;
} else if (devtype == 0x2719 || devtype == 0x7919 || devtype == 0x271a || devtype == 0x791a) { // Honeywell SP2
dev = new device(host, mac);
dev.sp2();
return dev;
} else if (devtype == 0x2720) { // SPMini
dev = new device(host, mac);
dev.sp2();
return dev;
} else if (devtype == 0x753e) { // SP3
dev = new device(host, mac);
dev.sp2();
return dev;
} else if (devtype == 0x2728) { // SPMini2
dev = new device(host, mac);
dev.sp2();
return dev;
} else if (devtype == 0x2733 || devtype == 0x273e) { // OEM branded SPMini
dev = new device(host, mac);
dev.sp2();
return dev;
} else if (devtype >= 0x7530 && devtype <= 0x7918) { // OEM branded SPMini2
dev = new device(host, mac);
dev.sp2();
return dev;
} else if (devtype == 0x2736) { // SPMiniPlus
dev = new device(host, mac);
dev.sp2();
return dev;
} else if (devtype == 0x2712) { // RM2
dev = new device(host, mac);
dev.rm();
return dev;
} else if (devtype == 0x2737) { // RM Mini
dev = new device(host, mac);
dev.rm("RMMini");
return dev;
} else if (devtype == 0x273d) { // RM Pro Phicomm
dev = new device(host, mac);
dev.rm();
return dev;
} else if (devtype == 0x2783) { // RM2 Home Plus
dev = new device(host, mac);
dev.rm();
return dev;
} else if (devtype == 0x277c) { // RM2 Home Plus GDT
dev = new device(host, mac);
dev.rm();
return dev;
} else if (devtype == 0x272a) { // RM2 Pro Plus
dev = new device(host, mac);
dev.rm();
return dev;
} else if (devtype == 0x2787) { // RM2 Pro Plus2
dev = new device(host, mac);
dev.rm();
return dev;
} else if (devtype == 0x278b) { // RM2 Pro Plus BL
dev = new device(host, mac);
dev.rm();
return dev;
} else if (devtype == 0x278f) { // RM Mini Shate
dev = new device(host, mac);
dev.rm();
return dev;
} else if (devtype == 0x27DE) { // RM3
dev = new device(host, mac);
dev.rm("RM3");
return dev;
} else if (devtype == 0x279D) { // RM Pro Plus
dev = new device(host, mac);
dev.rm("RMPro");
return dev;
} else if (devtype == 0x2714) { // A1
dev = new device(host, mac);
dev.a1();
return dev;
} else if (devtype == 0x4EB5) { // MP1
dev = new device(host, mac);
dev.mp1();
return dev;
} else {
// dev = new device(host,mac);
// dev.rm();
// return dev;
}
}
Broadlink.prototype.discover = function () {
self = this;
var interfaces = os.networkInterfaces();
var addresses = [];
for (var k in interfaces) {
for (var k2 in interfaces[k]) {
var address = interfaces[k][k2];
if (address.family === 'IPv4' && !address.internal) {
addresses.push(address.address);
}
}
}
var address = addresses[0].split('.');
var cs = dgram.createSocket({ type: 'udp4', reuseAddr: true });
cs.on('listening', function () {
cs.setBroadcast(true);
var port = cs.address().port;
var now = new Date();
var timezone = now.getTimezoneOffset() / -3600;
var packet = Buffer.alloc(0x30, 0);
var year = now.getYear();
if (timezone < 0) {
packet[0x08] = 0xff + timezone - 1;
packet[0x09] = 0xff;
packet[0x0a] = 0xff;
packet[0x0b] = 0xff;
} else {
packet[0x08] = timezone;
packet[0x09] = 0;
packet[0x0a] = 0;
packet[0x0b] = 0;
}
packet[0x0c] = year & 0xff;
packet[0x0d] = year >> 8;
packet[0x0e] = now.getMinutes();
packet[0x0f] = now.getHours();
var subyear = year % 100;
packet[0x10] = subyear;
packet[0x11] = now.getDay();
packet[0x12] = now.getDate();
packet[0x13] = now.getMonth();
packet[0x18] = parseInt(address[0]);
packet[0x19] = parseInt(address[1]);
packet[0x1a] = parseInt(address[2]);
packet[0x1b] = parseInt(address[3]);
packet[0x1c] = port & 0xff;
packet[0x1d] = port >> 8;
packet[0x26] = 6;
var checksum = 0xbeaf;
for (var i = 0; i < packet.length; i++) {
checksum += packet[i];
}
checksum = checksum & 0xffff;
packet[0x20] = checksum & 0xff;
packet[0x21] = checksum >> 8;
cs.sendto(packet, 0, packet.length, 80, '255.255.255.255');
});
cs.on("message", (msg, rinfo) => {
var host = rinfo;
var mac = Buffer.alloc(6, 0);
var dev = null;
msg.copy(mac, 0x00, 0x3F);
msg.copy(mac, 0x01, 0x3E);
msg.copy(mac, 0x02, 0x3D);
msg.copy(mac, 0x03, 0x3C);
msg.copy(mac, 0x04, 0x3B);
msg.copy(mac, 0x05, 0x3A);
var devtype = msg[0x34] | msg[0x35] << 8;
if (!this.devices) {
this.devices = {};
}
dev = this.genDevice(devtype, host, mac);
if (!this.devices[mac] && dev) {
this.devices[mac] = dev;
// RM3 Mini doesn't have deviceReady event
if (devtype == 0x27DE) this.emit("deviceReady", dev);
else dev.on("deviceReady", () => { this.emit("deviceReady", dev); });
dev.auth();
}
});
cs.bind();
}
util.inherits(Broadlink, EventEmitter);
class device {
constructor(host, mac, timeout = 10) {
this.host = host;
this.mac = mac;
this.emitter = new EventEmitter();
this.on = this.emitter.on;
this.emit = this.emitter.emit;
this.timeout = timeout;
this.count = Math.random() & 0xffff;
this.key = new Buffer.from([0x09, 0x76, 0x28, 0x34, 0x3f, 0xe9, 0x9e, 0x23, 0x76, 0x5c, 0x15, 0x13, 0xac, 0xcf, 0x8b, 0x02]);
this.iv = new Buffer.from([0x56, 0x2e, 0x17, 0x99, 0x6d, 0x09, 0x3d, 0x28, 0xdd, 0xb3, 0xba, 0x69, 0x5a, 0x2e, 0x6f, 0x58]);
this.id = new Buffer.from([0, 0, 0, 0]);
this.cs = dgram.createSocket({ type: 'udp4', reuseAddr: true });
this.cs.on('listening', function () {
//this.cs.setBroadcast(true);
});
this.cs.on("message", (response) => {
var enc_payload = Buffer.alloc(response.length - 0x38, 0);
response.copy(enc_payload, 0, 0x38);
var decipher = crypto.createDecipheriv('aes-128-cbc', this.key, this.iv);
decipher.setAutoPadding(false);
var payload = decipher.update(enc_payload);
try {
var p2 = decipher.final();
if (p2)
payload = Buffer.concat([payload, p2]);
} catch (e) { }
if (!payload)
return false;
var command = response[0x26];
var err = response[0x22] | (response[0x23] << 8);
if (err != 0)
return;
if (command == 0xe9) {
this.key = Buffer.alloc(0x10, 0);
payload.copy(this.key, 0, 0x04, 0x14);
this.id = Buffer.alloc(0x04, 0);
payload.copy(this.id, 0, 0x00, 0x04);
this.emit("deviceReady");
} else if (command == 0xee) {
this.emit("payload", err, payload);
}
});
this.cs.bind();
this.type = "Unknown";
}
auth() {
var payload = Buffer.alloc(0x50, 0);
payload[0x04] = 0x31;
payload[0x05] = 0x31;
payload[0x06] = 0x31;
payload[0x07] = 0x31;
payload[0x08] = 0x31;
payload[0x09] = 0x31;
payload[0x0a] = 0x31;
payload[0x0b] = 0x31;
payload[0x0c] = 0x31;
payload[0x0d] = 0x31;
payload[0x0e] = 0x31;
payload[0x0f] = 0x31;
payload[0x10] = 0x31;
payload[0x11] = 0x31;
payload[0x12] = 0x31;
payload[0x1e] = 0x01;
payload[0x2d] = 0x01;
payload[0x30] = 'T'.charCodeAt(0);
payload[0x31] = 'e'.charCodeAt(0);
payload[0x32] = 's'.charCodeAt(0);
payload[0x33] = 't'.charCodeAt(0);
payload[0x34] = ' '.charCodeAt(0);
payload[0x35] = ' '.charCodeAt(0);
payload[0x36] = '1'.charCodeAt(0);
this.sendPacket(0x65, payload);
}
exit() {
var self = this;
setTimeout(function () {
try {
self.cs.close();
} catch (error) { }
}, 500);
}
getType() {
return this.type;
}
sendPacket(command, payload) {
this.count = (this.count + 1) & 0xffff;
var packet = Buffer.alloc(0x38, 0);
packet[0x00] = 0x5a;
packet[0x01] = 0xa5;
packet[0x02] = 0xaa;
packet[0x03] = 0x55;
packet[0x04] = 0x5a;
packet[0x05] = 0xa5;
packet[0x06] = 0xaa;
packet[0x07] = 0x55;
packet[0x24] = 0x2a;
packet[0x25] = 0x27;
packet[0x26] = command;
packet[0x28] = this.count & 0xff;
packet[0x29] = this.count >> 8;
packet[0x2a] = this.mac[0];
packet[0x2b] = this.mac[1];
packet[0x2c] = this.mac[2];
packet[0x2d] = this.mac[3];
packet[0x2e] = this.mac[4];
packet[0x2f] = this.mac[5];
packet[0x30] = this.id[0];
packet[0x31] = this.id[1];
packet[0x32] = this.id[2];
packet[0x33] = this.id[3];
var checksum = 0xbeaf;
for (var i = 0; i < payload.length; i++) {
checksum += payload[i];
checksum = checksum & 0xffff;
}
var cipher = crypto.createCipheriv('aes-128-cbc', this.key, this.iv);
payload = cipher.update(payload);
packet[0x34] = checksum & 0xff;
packet[0x35] = checksum >> 8;
packet = Buffer.concat([packet, payload]);
checksum = 0xbeaf;
for (var i = 0; i < packet.length; i++) {
checksum += packet[i];
checksum = checksum & 0xffff;
}
packet[0x20] = checksum & 0xff;
packet[0x21] = checksum >> 8;
this.cs.sendto(packet, 0, packet.length, this.host.port, this.host.address);
}
mp1() {
this.type = "MP1";
this.set_power = function (sid, state) {
//"""Sets the power state of the smart power strip."""
var sid_mask = 0x01 << (sid - 1);
var packet = Buffer.alloc(16, 0);
packet[0x00] = 0x0d;
packet[0x02] = 0xa5;
packet[0x03] = 0xa5;
packet[0x04] = 0x5a;
packet[0x05] = 0x5a;
packet[0x06] = 0xb2 + (state ? (sid_mask << 1) : sid_mask);
packet[0x07] = 0xc0;
packet[0x08] = 0x02;
packet[0x0a] = 0x03;
packet[0x0d] = sid_mask;
packet[0x0e] = state ? sid_mask : 0;
this.sendPacket(0x6a, packet);
};
this.check_power = function () {
//"""Returns the power state of the smart power strip in raw format."""
var packet = Buffer.alloc(16, 0);
packet[0x00] = 0x0a;
packet[0x02] = 0xa5;
packet[0x03] = 0xa5;
packet[0x04] = 0x5a;
packet[0x05] = 0x5a;
packet[0x06] = 0xae;
packet[0x07] = 0xc0;
packet[0x08] = 0x01;
this.sendPacket(0x6a, packet);
};
this.on("payload", (err, payload) => {
var param = payload[0];
switch (param) {
case 1:
break;
case 2:
break;
case 3:
break;
case 4:
break;
case 14:
var s1 = Boolean(payload[0x0e] & 0x01);
var s2 = Boolean(payload[0x0e] & 0x02);
var s3 = Boolean(payload[0x0e] & 0x04);
var s4 = Boolean(payload[0x0e] & 0x08);
this.emit("mp_power", [s1, s2, s3, s4]);
break;
default:
break;
}
});
}
sp1() {
this.type = "SP1";
this.set_power = function (state) {
var packet = Buffer.alloc(4, 4);
packet[0] = state;
this.sendPacket(0x66, packet);
};
}
sp2() {
this.type = "SP2";
this.set_power = function (state) {
//"""Sets the power state of the smart plug."""
var packet = Buffer.alloc(16, 0);
packet[0] = 2;
packet[4] = state ? 1 : 0;
this.sendPacket(0x6a, packet);
};
this.check_power = function () {
//"""Returns the power state of the smart plug."""
var packet = Buffer.alloc(16, 0);
packet[0] = 1;
this.sendPacket(0x6a, packet);
};
this.on("payload", (err, payload) => {
var param = payload[0];
switch (param) {
case 1:
//get from check_power
var pwr = Boolean(payload[0x4]);
this.emit("power", pwr);
break;
case 3:
break;
case 4:
break;
}
});
}
a1() {
this.type = "A1";
this.check_sensors = function () {
var packet = Buffer.alloc(16, 0);
packet[0] = 1;
this.sendPacket(0x6a, packet);
err = response[0x22] | (response[0x23] << 8);
if (err == 0) {
data = {};
aes = AES.new(bytes(this.key), AES.MODE_CBC, bytes(self.iv));
payload = aes.decrypt(bytes(response[0x38]));
if (type(payload[0x4]) == int) {
data['temperature'] = (payload[0x4] * 10 + payload[0x5]) / 10.0;
data['humidity'] = (payload[0x6] * 10 + payload[0x7]) / 10.0;
light = payload[0x8];
air_quality = payload[0x0a];
noise = payload[0xc];
} else {
data['temperature'] = (ord(payload[0x4]) * 10 + ord(payload[0x5])) / 10.0;
data['humidity'] = (ord(payload[0x6]) * 10 + ord(payload[0x7])) / 10.0;
light = ord(payload[0x8]);
air_quality = ord(payload[0x0a]);
noise = ord(payload[0xc]);
}
if (light == 0) {
data['light'] = 'dark';
} else if (light == 1) {
data['light'] = 'dim';
} else if (light == 2) {
data['light'] = 'normal';
} else if (light == 3) {
data['light'] = 'bright';
} else {
data['light'] = 'unknown';
}
if (air_quality == 0) {
data['air_quality'] = 'excellent';
} else if (air_quality == 1) {
data['air_quality'] = 'good';
} else if (air_quality == 2) {
data['air_quality'] = 'normal';
} else if (air_quality == 3) {
data['air_quality'] = 'bad';
} else {
data['air_quality'] = 'unknown';
}
if (noise == 0) {
data['noise'] = 'quiet';
} else if (noise == 1) {
data['noise'] = 'normal';
} else if (noise == 2) {
data['noise'] = 'noisy';
} else {
data['noise'] = 'unknown';
}
return data;
}
};
this.check_sensors_raw = function () {
var packet = Buffer.alloc(16, 0);
packet[0] = 1;
this.sendPacket(0x6a, packet);
err = response[0x22] | (response[0x23] << 8);
if (err == 0) {
data = {};
aes = AES.new(bytes(this.key), AES.MODE_CBC, bytes(self.iv));
payload = aes.decrypt(bytes(response[0x38]));
if (type(payload[0x4]) == int) {
data['temperature'] = (payload[0x4] * 10 + payload[0x5]) / 10.0;
data['humidity'] = (payload[0x6] * 10 + payload[0x7]) / 10.0;
data['light'] = payload[0x8];
data['air_quality'] = payload[0x0a];
data['noise'] = payload[0xc];
} else {
data['temperature'] = (ord(payload[0x4]) * 10 + ord(payload[0x5])) / 10.0;
data['humidity'] = (ord(payload[0x6]) * 10 + ord(payload[0x7])) / 10.0;
data['light'] = ord(payload[0x8]);
data['air_quality'] = ord(payload[0x0a]);
data['noise'] = ord(payload[0xc]);
}
return data;
}
};
}
rm(type) {
this.type = type;
if (this.type == undefined)
this.type = "RM2";
this.checkData = function () {
var packet = Buffer.alloc(16, 0);
packet[0] = 4;
this.sendPacket(0x6a, packet);
};
this.sendData = function (data) {
var packet = new Buffer.from([0x02, 0x00, 0x00, 0x00]);
packet = Buffer.concat([packet, data]);
this.sendPacket(0x6a, packet);
};
this.enterLearning = function () {
var packet = Buffer.alloc(16, 0);
packet[0] = 3;
this.sendPacket(0x6a, packet);
};
this.checkTemperature = function () {
var packet = Buffer.alloc(16, 0);
packet[0] = 1;
this.sendPacket(0x6a, packet);
};
this.on("payload", (err, payload) => {
var param = payload[0];
switch (param) {
case 1:
var temp = (payload[0x4] * 10 + payload[0x5]) / 10.0;
this.emit("temperature", temp);
break;
case 4:
//get from checkData
var data = Buffer.alloc(payload.length - 4, 0);
payload.copy(data, 0, 4);
this.emit("rawData", data);
break;
}
});
}
}