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   1 # Pleroma: A lightweight social networking server
   2 # Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
   3 # SPDX-License-Identifier: AGPL-3.0-only
   4
   5 defmodule Pleroma.EctoType.ActivityPub.ObjectValidators.Uri do
   6   use Ecto.Type
   7
   8   def type, do: :string
   9
  10   def cast(uri) when is_binary(uri) do
  11     case URI.parse(uri) do
  12       %URI{host: nil} -> :error
  13       %URI{host: ""} -> :error
  14       %URI{scheme: scheme} when scheme in ["https", "http"] -> {:ok, uri}
  15       _ -> :error
  16     end
  17   end
  18
  19   def cast(_), do: :error
  20
  21   def dump(data), do: {:ok, data}
  22
  23   def load(data), do: {:ok, data}
  24 end