Force Anonymous login on React Native?

[Doko-Demo-Doa]

This might be related to #593 , I'm not sure, but when I use the lib on React Native, with username/password or not, the authentication method is always PLAIN:

Tracing down to @xmpp/sasl/index.js I saw this:

But features only contains 4 mechanisms:

• PLAIN
• SCRAM-SHA-1
• CRAM-MD5
• DIGEST-MD5

And no ANONYMOUS

I need anonymous authentication for account registration first, then login using registered account. From above info, I created a client:

    this.xmpp = client({
      service: 'ws://testdomain:7071/ws',
      domain: 'testdomain',
      credentials: function authenticate (auth, mechanism) {
        console.log('authenticate', mechanism)
        const cred = null
        return auth(cred)
      }
    })

and as expected, mechanism is always PLAIN

Is there a way to fix this?

[sonnyp]

The issue seems to be that your server does not offer anonymous authentication on that domain.

You probably should use https://xmpp.org/extensions/xep-0077.html directly instead. Unfortunally xmpp.js does not have helpers for it but it should be quite easy to implement yourself and if you'd like to contribute the code to xmpp.js I'd be happy to help.

I could be wrong but I'm not aware of registration from an anonymous session being a thing in XMPP anyway.

[sonnyp]

see #783