MQTTJS TLS support

[Vetnametz]

Version: Deno 2.2.2

Looks like MQTTJS not works properly with Deno and TLS

deno.json

{
  "imports": {
    "mqtt": "npm:[email protected]",
  }
}

mqttClient.ts

import mqtt, { IClientOptions } from 'mqtt';

const options: IClientOptions = {
      protocol: 'mqtt', // mqtts same error
      host: 'someHost',
      port: 8883,
      clientId: crypto.randomUUID(),
      username: Deno.env.get('MQTT_USERNAME'),
      password: Deno.env.get('MQTT_PASSWORD'),
      rejectUnauthorized: false,
      protocolVersion: 5,
      connectTimeout: 10000,
      clean: false,
      reconnectPeriod: 1000,
};

    const mqttCaPath = Deno.env.get('MQTT_CA_PATHS');
    const mqttKeyPath = Deno.env.get('MQTT_KEY_PATH');
    const mqttCertPath = Deno.env.get('MQTT_CERT_PATH');

    if (mqttCaPath && mqttKeyPath && mqttCertPath) {
      const ca = [fs.readFileSync(mqttCaPath as PathOrFileDescriptor)];
      const key = fs.readFileSync(mqttKeyPath as PathOrFileDescriptor);
      const cert = fs.readFileSync(mqttCertPath as PathOrFileDescriptor);

      options.ca = ca;
      options.key = key;
      options.cert = cert;
    }

    this.client = mqtt.connect(options);

PATHS - valid
ca, key, cert - valid

gives such error

ERROR [MQTT] Client:11841d4d-6d97-4367-ac0a-2b2c64c8d01a error: connack timeout
Error: Connection closed
    at file:///.../Library/Caches/deno/npm/registry.npmjs.org/mqtt/5.10.3/build/lib/client.js:730:49
    at Array.forEach (<anonymous>)
    at MqttClient._flushVolatile (file:///.../Library/Caches/deno/npm/registry.npmjs.org/mqtt/5.10.3/build/lib/client.js:727:40)
    at TLSSocket.<anonymous> (file:///.../Library/Caches/deno/npm/registry.npmjs.org/mqtt/5.10.3/build/lib/client.js:269:18)
    at TLSSocket.emit (ext:deno_node/_events.mjs:393:28)
    at node:net:1158:14
    at Array.processTicksAndRejections (ext:deno_node/_next_tick.ts:28:11)
    at eventLoopTick (ext:core/01_core.js:174:29) {
  [stack]: [Getter/Setter],
  [message]: "Connection closed"
}
ERROR Main [WORKER]:mqtt-worker- [MQTT] error: Connection closed

MQTT broker logs

  |   | 2025-02-28T11:40:05: Client <unknown> closed its connection. |  
  |   | 2025-02-28T11:40:05: Client <unknown> closed its connection. |  
  |   | 2025-02-28T11:39:55: New connection from ip:61824 on port 8883. |  
  |   | 2025-02-28T11:39:55: New connection from ip:61824 on port 8883.

Can confirm MQTTJS with same ca, key, cert works properly with Node

[marvinhagemeister]

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