How to validate Google/Gmail OAuth2 token in Asp.net Web Api? -


in chrome extension have access token retrieved google's end point (using getauthtoken()). i'd pass token asp.net web api server in http headers. however, i'm not sure how validate token on server side? is, how make sure token belongs given user , not fake?

do need pass token google's end point validate it? if yes, how do web api?

thanks


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