How to get Google refresh_token on multiple devices -

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i creating node based authentication server google apps can use access tokens google data apis.

i basing off server side flow described here: https://developers.google.com/youtube/v3/guides/auth/server-side-web-apps

i @ point trying implement refresh token logic when token expires. need refresh_token. refresh token no problem - first time access service subsequent times not.

i plan keep these tokens in local storage on browser it's not problem - until access same service on mobile or additional device.

how refresh token on second or third device?

surely don't have revoke tokens , sign in again each time want switch new device?

thanks


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