Ruby on Rails

On Monday 30 January 2012 06:28 PM, venkata reddy wrote:
> Hi All,
> anybody knows useful rubygems/rails plugins for implementing
> Single Sign on?
>
no need to use gem or plug-in just write your custom code

add on attribute user_login : boolean to user table

when ever user logins set user_login as true and after session out or
logout set user_login as false

every time user login check the user_login value if false then allow him
to login,

otherwise tell One user already login.

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