extension = String.split(name, ".") |> List.last()
shasum = :crypto.hash(:sha256, File.read!(upload.tempfile)) |> Base.encode16(case: :lower)
filename = shasum <> "." <> extension
extension = String.split(name, ".") |> List.last()
shasum = :crypto.hash(:sha256, File.read!(upload.tempfile)) |> Base.encode16(case: :lower)
filename = shasum <> "." <> extension