Some higher-end printers have HTTPS or LPD (or even FTP) printing built into them. As far as using a web app to queue to a printer that's working on a local Linux machine or so, the webapp could be as simple as just a file upload form and app backed by incron with the right command assigned to the event I think.

https://www.geeksforgeeks.org/incron-command-in-linux-with-e...