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/57859a4bc89c154734f3771fdd3aed1e8ced688b/tests/sample-uploads/image.gif)