authorizeSubscribe, cannot restrict client from subscribing

[rahulbhanushali]

I am trying to restrict subscriptions to specific topics on aedes using the authorizeSubscribe method.

I tried the example code shown in the documentation, however was not able to restrict users from subscribing.

Can you please help me in implementing this?

[mcollina]

You should probably attach an example here. Il giorno lun 9 mag 2016 alle 18:12 Rahul Bhanushali < notifications@github.com> ha scritto:

I am trying to restrict subscriptions to specific topics on aedes using the authorizeSubscribe method.

I tried the example code shown in the documentation, however was not able to restrict users from subscribing.

Can you please help me in implementing this?

— You are receiving this because you are subscribed to this thread. Reply to this email directly or view it on GitHub https://github.com/mcollina/aedes/issues/48

[rahulbhanushali]

I tried multiple variations as demonstrated in readme file.

I tried this code snippet but was still able to receive messages when someone published message to the topic 'bbb'

instance.authorizeSubscribe = function (client, sub, done) {
    if (sub.topic === 'bbb') {
        // overwrites subscription
        sub.qos = sub.qos + 128
      }

  callback(null, sub)
}

The following code snippet causes the client to reconnect again and again

instance.authorizeSubscribe = function (client, sub, done) {
    if (sub.topic === 'aaaa') {
        return cb(new Error('wrong topic'))
    }
}

None of the above methods seem to work.

[mcollina]

The latter is expected, as the subscription is causing an error.

There previous example is wrong (even in the README), you need to set sub to false to negate.

[rahulbhanushali]

Setting sub to null works, thanks :)