git.squeep.com Git - akkoma/blob - lib/pleroma/upload/filter/dedupe.ex

   1 defmodule Pleroma.Upload.Filter.Dedupe do
   2   @behaviour Pleroma.Upload.Filter
   3
   4   def filter(upload = %Pleroma.Upload{name: name, tempfile: path}) do
   5     extension = String.split(name, ".") |> List.last()
   6     shasum = :crypto.hash(:sha256, File.read!(upload.tempfile)) |> Base.encode16(case: :lower)
   7     filename = shasum <> "." <> extension
   8     {:ok, %Pleroma.Upload{upload | id: shasum, path: filename}}
   9   end
  10 end