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.
35 B
1x1px
35 B
1x1px
![](/GNUsocial/gnu-social/raw/commit/0bfeaa45594121fb89b88e4890fb2a1288a51ba6/tests/sample-uploads/image.gif)