How to set web role to user logined by Google Oauth2

how to hide the download link from non logined users ? I wanna to show the download link just to the loged in user and hide it from public access

Logined : { setState(() { _isLogined = logined; }); if

logined hi, I download aspnetzero core & jQuery , and firstly logined in Google Chrome as follows: after inputed admin, 123qwe, the page din't

logined Hi ,I have a required to check in ACL whether the logined in user is part of a group but without using script can i achive this ?