[jdev] Re: discovering extensions without disco

[Trejkaz]

Remko Troncon wrote:
> - If you really want to support Google Talk, you can get away with a 
> regexp match on the JID, and enable all these non-standard extensions. 
> No other server is using these anyway. As long as GT doesn't change the 
> allowable email addresses, you're safe.

I wonder how long this will last now that you can get "GMail for your 
domain".  It's only a matter of time until they start "GTalk for your 
domain". :-)

> - Since blocking is a task not often done, you can do it failure-driven: 
> try blocking using iq:privacy (which is rather complicated right now, 
> see below) if you think the server supports it, and then try this way if 
> it fails. Pretty ugly still, but there is no way to cleanly support 
> non-standard things on a server that does not advertise its extensions.
> 
> This said, apart from GT not advertizing its extension in disco, i don't 
> blame them for not supporting iq:privacy. It's very hard to use this 
> protocol directly client-side for tasks as blocking or invisibility. A 
> simple profile of this protocol should be made that blocks, unblocks and 
> makes you invisible with one simple iq. I heard stpeter has this 
> somewhere on his TODO.

Privacy lists are a pain to set up, but once they're set up, toggling 
invisibility on and off is a fairly simple operation.  I'm not really 
defending them though. ;-)

TX