Google app script web app, how to create a login button?
问题 I have create script backed by a Google Spreadsheet in Google Drive and published it as a web app, setting "Execute the app as: me" and "Who has access to the app: Anyone, even anonymous". The main page serves html content from the spreadsheet. The basic functionalities are: a "random internet user" is able to see some informations, while an user logged with his Google Account is able to submit information as well. The issues is - if I set the permission to "anyone" people are first