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/94f7bfa50ae3a2f3443addc3825d99e584cb7d68/tests/sample-uploads/image.jpg)