Google Drive #File_Permissions: Remove AnyoneWithLink
Deletes AnyoneWithLink permission (a Reader permission to anyone who has the link) from the file. There is no change in the other permissions for the file.
Google Drive API v3
Google Drive: File Upload
Uploads files specified in File Type Data Item to the specified folder of Google Drive. Capable of obtaining the file ID, the display URL, and the download URL as the response and storing them in a String type Data Item.