Modifying SharePoint app Web.config file with Forms Based Authentication

Question

We have a SharePoint application where we want the user to be able to modify the web.config by activating a feature. The application is extended, so we have an AD based web appl

Answer 1

An alternative would be to write a component which does it. This could be trigged by activating a feature, or updating a webpart.

This would mean you don't need to loosen security, or do it via the command line.