[standards-jig] defeating invisibility

Matthew A. Miller linuxwolf at outer-planes.net
Tue Jan 20 18:22:28 UTC 2004

I think, in this case, the clients should be responsible for not 
generating the events in the first place.  Otherwise, this could explode 
for server implementations (e.g. if Chat State Notifications moves 
forward, and/or one or more other <message/> based system comes along...)

Sometimes a client needs to be attentive to its situation (-:

-  LW

Matthias Wimmer wrote:

>Hi Peter!
>Peter Saint-Andre schrieb am 2004-01-20 11:33:36:
>>I chatted with someone last week who brought up a good point about
>>invisibility (whether JEP-0126 or JEP-0018): there are straightforward
>>ways to defeat it. Let's say I've gone invisibile. You can send me an 
>>iq:last (JEP-0012) request.
>The same is true for message events. If you send someone who is
>invisible a message, you normally get back an event, that the message
>has been delivered. For privacy reasons the server should send an event,
>that it stored the message offline and the client should not send
>Tot kijk
>    Matthias

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