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[help-GIFT] Re: Client storing query state

From: David Squire
Subject: [help-GIFT] Re: Client storing query state
Date: Wed, 13 Sep 2006 17:25:21 +0100
User-agent: Thunderbird (X11/20060725)

Kamil Wencel wrote:
> is it possible to use my already existent php session id's when
> initiating the query or do I have
> to use the session id's offered and link them to the users php session
> id. Both cases would
> eliminate the need to supply hidden post / get data but using the
> already existing php session
> id's would be much more elegant I think.
You might think so, since when you first connect to the GIFT server, you
pass an MRML message like:

     <?xml version="1.0" standalone="no" ?>
     <!DOCTYPE mrml SYSTEM "file:/*************/share/mrml.dtd">
     <mrml session-id="12345">
     <open-session user-id="User"
     <get-algorithms />
     <get-collections />

The server, however, ignores the session-id passed in, and returns
another (valid) one to you. When you think about it, this makes sense,
as otherwise the server could not guarantee unique session-id's.

There is nothing to stop you using your php session id as the key for
your state data though - you can use anything you want, since it's local
to the server where the interface runs.



Dr. David McG. Squire, Senior Lecturer. On sabbatical in 2006.
Caulfield School of Information Technology, Monash University, Australia
CRICOS Provider No. 00008C

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