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Posted by shankhar on 05/22/07 09:10
Hi all,
In my project there is a requirement. If a user logged in at a time
since he/she logged out others are not allowed to loggin using the
same user name. That is to avoid multiple logins using a account. How
to do this?
I had got a idea and implemented.
1. When a user logs in storing the username, ip, login time to db.
2. When a User logs in i'll check the table whether the username
exists in the table or not if yes i'll not allow the user to login
else i'll allow to loggin.
3. When he logs out i'll delete the record from the table. Then he/
she can login again.
But there is a problem in this the user can close the browser directly
or right click in the taskbar and close it or by pressing Alt + F4. So
for this i have to catch the things in Javascript and trigger the
logout.
Is is possible to catch the events in Javascript, if yes please
provide me.
Or Is there any other method to restrict multiple login using single
account.
Thanx in advance.
Shankhar
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