[Seaside] Seaside Sessions in a Blog Server

sebastian sebastian at flowingconcept.com
Sat Oct 17 20:27:22 UTC 2009

agree, I'm using an autosave for the blog


On 17/10/2009, at 16:27, Miguel Enrique Cobá Martinez <miguel.coba at gmail.co 
m> wrote:

> El sáb, 17-10-2009 a las 15:39 -0300, Hernán Morales Durand escribi 
> ó:
>> Hi Karsten
>> 2009/10/17 Karsten <karsten at heeg.de>:
>>> Hi,
>>> there's this constant example of building a blog server with  
>>> whatever web
>>> framework. If you try to build a real webserver in Seaside you've  
>>> got to
>>> handle sessions somewhat properly. If you view a post and have a  
>>> comment
>>> input field then the session will be started when you open the  
>>> post. After
>>> reading through a very lengthly post the session is probably times  
>>> out.
>>> After writing a lengthly comment it's certainly timed out. If the  
>>> user
>>> submits the comment after the session is timed out, his comment is  
>>> lost.
>> This situation is very common in mobile environments, when the client
>> moves at places outside the network connectivity range, and then need
>> to reconnect many times.
>>> The easiest way to handle this is to set the session timeout to  
>>> maybe a day
>>> or so. However, i'd rather use a short session time to not have  
>>> tons of
>>> sessions in the image.
>> And another good reason for keep short session times is to prevent
>> session hijacking. The longer session duration, the longer chances  
>> for
>> a succesful sniffing.
>>> What would be the right way to handle that kind of
>>> situations?
>> I would do this:
>> -Separate a session in two objects: One for the proper Session
>> Duration, and another one for the Data of the session.
>> -Assign to the Session Duration object a common duration for a  
>> valid session.
>> -Assign to the Session Data object a longer duration (it could be
>> navigational information or data in forms).
>> This way, when a client session expires, the data entered would still
>> there available. Of course you will need two identifiers and link  
>> them
>> to do a valid re-authorization.
>> How difficult would be to do that in Seaside?
> Other option will be to use something like the autosave feature of  
> rich
> editors like TinyMCE so that at least with the comments you don't lost
> all the text. This also will keep the session open.
>> Cheers
>> Hernán
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> -- 
> Miguel Cobá
> http://miguel.leugim.com.mx
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