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How to invalidate a session when user switches to a different URL ?

 
Sim Kim
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Hi,

In my application the user has logged in ( session created ) . Then on the same browser user types : www.google.com . Then when he comes back to my site he is still logged in . I want to invalidate his session .
How this can be done ?
 
Arvind Sampath
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You can use the 'referer' header to get the from url. Supppose the user visits some other site in the same browser and then requests for some page in ur appln., he can do so either by clicking the BACK button or typing ur appln. url in the browser. In the latter case, i guess the 'referer' header would be null. I am not sure about the former scenario tho
 
Ben Souther
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If the user switches to a URL that isn't part of your application, you won't know it. You would just have to wait until the session times out.
 
Vishnu Prakash
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If the user switches to a URL that isn't part of your application, you won't know it. You would just have to wait until the session times out.


No need to wait till session expires. You can use the "referer" header to figure out whether user has left your application and switched to someother application and back with requests for some of your application resources.

I tried with "referer" header and it worked for me.

 
saikrishna cinux
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hey why dont u develop your application in other way..
i mean you better use java script for full screen.
you should not give the access to the user for entering the url and even exit button...


your application must display in full screen mode.....


u even disable right click option




cinux
 
Vishnu Prakash
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But the one issue with this is you can easily get back to your resources with back browser button. Ben is there a way to control this?
 
Bear Bibeault
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Originally posted by saikrishna cinux:

your application must display in full screen mode.....


Only if you want to completely tick off your user base.
 
Paul Clapham
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Why would you even want to control it? Frankly it's none of your business if I am running your application and I open another window or another tab to check another site.
 
Bear Bibeault
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Originally posted by Paul Clapham:
Why would you even want to control it? Frankly it's none of your business if I am running your application and I open another window or another tab to check another site.


Bingo!
 
Ben Souther
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Originally posted by Vishnu Prakash:
But the one issue with this is you can easily get back to your resources with back browser button. Ben is there a way to control this?


Not reliably, which is why I said what I did earlier.
If this is a big concern, you might want to shorten the session timeout.

By the way: I agree completely with Paul's comment.
As a user, I would consider any app that tries to control my screen or console to be a poorly written piece of crap.
[ December 09, 2005: Message edited by: Ben Souther ]
 
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