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Single sign on Google

开发者 https://www.devze.com 2023-04-05 04:59 出处:网络
How does the Google single sign on works (OR any website\'s SSO)? For example, once I login to the Gmail, it lets me see \"My places\" on Google Maps without signing in again? Same with Yahoo mail and

How does the Google single sign on works (OR any website's SSO)? For example, once I login to the Gmail, it lets me see "My places" on Google Maps without signing in again? Same with Yahoo mail and Yahoo notepad.

I am guessing this checki开发者_如何学Cng is done locally within the browser. But any more details would be appreciated.


It is done with a cookie, that is accessible to all sub-sites on google, and it contains identification numbers. Then the sub-site queries the account server, gives the cookie, and the account server will return the user.

Actual implementation details may vary (as I am not a Google engineer), but I think you want to know how to do it, not what google does.

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