This because we trust the ext/media-type and do not do file header sniffing (also causes #23)
Example of failing graph
https://imgflo.herokuapp.com/graph/vahj1ThiexotieMo/e10f2aabcfccd64028451572233c3125/passthrough.jpg?input=http%3A%2F%2Fwww.theexperiment.io%2Fgrid%2Fgrid-chrome-dashboard%2Fui%2Fassets%2Fimages%2Ficons%2Favatar.jpg&width=100
This because we trust the ext/media-type and do not do file header sniffing (also causes #23)
Example of failing graph
https://imgflo.herokuapp.com/graph/vahj1ThiexotieMo/e10f2aabcfccd64028451572233c3125/passthrough.jpg?input=http%3A%2F%2Fwww.theexperiment.io%2Fgrid%2Fgrid-chrome-dashboard%2Fui%2Fassets%2Fimages%2Ficons%2Favatar.jpg&width=100http://www.theexperiment.io/grid/grid-chrome-dashboard/ui/assets/images/icons/avatar.jpg