matterbridge-dyson-robot/dist/dyson-mqtt-config.js

A Matterbridge plugin that connects Dyson robot vacuums and air treatment devices to the Matter smart home ecosystem via their local or cloud MQTT APIs.

// Matterbridge plugin for Dyson robot vacuum and air treatment devices
// Copyright © 2025 Alexander Thoukydides
import { createHash } from 'crypto';
import { assertIsDefined } from './utils.js';
// Regular expressions to parse Wi-Fi setup SSIDs
const SSID_360EYE_RE = /^(360EYE-)?(?<sn>[A-Z0-9]{3}-[A-Z]{2}-[A-Z0-9]{8,})/;
const SSID_OTHER_RE = /^DYSON-(?<sn>[A-Z0-9]{3}-[A-Z]{2}-[A-Z0-9]{8,})-(?<type>[0-9]{3}[A-Z]?)$/;
// Dyson 360 Eye uses a different Wi-Fi setup SSID format
const TYPE_360EYE = 'N223';
// Dyson Pure Hot+Cool Link (HP02) SSIDs don't match the MQTT topic and username
const TYPE_MAP = new Map([['455A', '455']]);
// Convert Wi-Fi setup credentials to local MQTT credentials
export function getDeviceConfigMqtt(config) {
    const { ssid, password: wifiPassword } = config;
    const { rootTopic, serialNumber } = parseSSID(ssid);
    const password = hashWifiPassword(wifiPassword);
    return { ...config, serialNumber, password, rootTopic };
}
// Extract the MQTT topic and username from a Wi-Fi setup SSID
function parseSSID(ssid) {
    const match = SSID_360EYE_RE.exec(ssid) ?? SSID_OTHER_RE.exec(ssid);
    if (!match)
        throw new Error(`Unable to parse Product SSID: ${ssid}`);
    const rootTopic = match.groups?.type ?? TYPE_360EYE;
    const sn = match.groups?.sn;
    assertIsDefined(sn);
    const serialNumber = TYPE_MAP.get(sn) ?? sn;
    return { rootTopic, serialNumber };
}
// Convert a Wi-Fi password to the form required for MQTT
function hashWifiPassword(password) {
    const sha512 = createHash('sha512').update(password).digest();
    return sha512.toString('base64');
}
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