EctoType: Add MIME validator
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@ -27,4 +27,10 @@ defmodule Pleroma.Constants do
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do:
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~w(index.html robots.txt static static-fe finmoji emoji packs sounds images instance sw.js sw-pleroma.js favicon.png schemas doc embed.js embed.css)
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)
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# basic regex, just there to weed out potential mistakes
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# https://datatracker.ietf.org/doc/html/rfc2045#section-5.1
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const(mime_regex,
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do: ~r/^[^[:cntrl:] ()<>@,;:\\"\/\[\]?=]+\/[^[:cntrl:] ()<>@,;:\\"\/\[\]?=]+(; .*)?$/
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)
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end
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@ -0,0 +1,25 @@
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# Pleroma: A lightweight social networking server
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# Copyright © 2017-2022 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.EctoType.ActivityPub.ObjectValidators.MIME do
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use Ecto.Type
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require Pleroma.Constants
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def type, do: :string
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def cast(mime) when is_binary(mime) do
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if mime =~ Pleroma.Constants.mime_regex() do
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{:ok, mime}
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else
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{:ok, "application/octet-stream"}
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end
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end
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def cast(_), do: :error
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def dump(data), do: {:ok, data}
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def load(data), do: {:ok, data}
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end
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