OpenID plus a bit of security

A

Anonymous

Guest
Hi,

I would like give to my users the ability to login by openID services like Google.
When the user is logged in then he will able to do some call in a custom web service.

The question is how can the webservice know if the user is logged in?

Tnx
 
How does the google service work to check when someone is logged on?
 
I do not know how google does, indeed I'm not interest how they do I need to understand how can I do with a custom webservice :)
 
If something already exists, then it's a good idea to either use it or at least learn what you can from it - especially where security is concerned since there maybe some things that you either don't know about or haven't thought about.
 
gotcha good point. But I wrote here to have a hint like "use this library for your webservice and this for your client side on javascript" :)
if possible
 
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