[Seaside] A session-aware kind of FileLibrary - how/where to start

[jtuchel at objektfabrik.de]

Hi,


There are situations in which I feel like after 10+ years of using 
Seaside, I am still a newbie. (well, same for Smalltalk after 25+ years, 
so this may be normal).

I would like to implement some kind of FileLibrary that is aware of the 
current session and only delivers files to logged-on users.

It seems like the best starting point for this is to subclass 
WARequestHandler and register it with WAAdmin. So the first thing I did 
was implement handleFiltered: aRequestContext. Unfortunately, neither 
aRequestContext nor self return a WASession, although I entered _s and 
_k form a logged in session into the address bar of my Browser. This may 
be a naive approach, but as a fist test case this seemed like a good 
idea ;-)

Now the question I ask myself is: how do I teach my WARequestHandler 
subclass the trick of knowing/finding the current session. Do I add some 
Filter? Is subclassing WARequestHandler the wrong idea anyways? (I 
started my experiments with a subclass of WAFileLibrary, but that also 
didn't get me anywhere...).

I am not asking for a ready-made solution. I'd rather try to understand 
a little more about Seasides innards here...

Any pointers? Kick-off ideas what to look at?


tia,


Joachim




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