File extensions can also be added to the upload type whitelist; they'll be normalized to types for the actual comparison, so only known extensions will work.
306 B
1x1px
306 B
1x1px
![](/GNUsocial/gnu-social/raw/commit/7e597ea7cc85c3b7c7226d443b21fb3252c8fd7e/tests/sample-uploads/image.jpg)