External widget - additional options (server side load, authentication, image from http request)

[M0ebiu5]

For some resources (eg image from webcam) it would be nice, to have an option to load the resource only on the server.

Also, there should be a possibility to load a resource which requires authentication. This could be done with options for authentication or with the ability to render the image from the "http request node". The last one would also solve the server side load.

Edit: The node could send a message when clicked (for the type "img").