def raw(part_id):
"""
Return the part's body as a raw byte-stream for eg. serving images.
"""
part = MimePart.get(part_id)
logged_in = logged_in_user()
if not part:
abort(404, 'No such content item', force_status=True)
# If anyone has shared this part with us (or the public), we get to view
# it.
for link in part.posts:
if link.post.has_permission_to_view(logged_in):
return raw_response(part.body, part.type)
abort(403, 'Forbidden')
