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.
159 B
1x1px
159 B
1x1px
![](/GNUsocial/gnu-social/raw/commit/4d01f8fbb650ea246d24ebde1001c8c42f98faa4/tests/sample-uploads/image.png)