EctoType: Add MIME validator

This commit is contained in:
Haelwenn (lanodan) Monnier 2022-01-09 20:00:12 +01:00
parent 2db640632b
commit 4ea9886faa
2 changed files with 31 additions and 0 deletions

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@ -27,4 +27,10 @@ defmodule Pleroma.Constants do
do: do:
~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) ~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)
) )
# basic regex, just there to weed out potential mistakes
# https://datatracker.ietf.org/doc/html/rfc2045#section-5.1
const(mime_regex,
do: ~r/^[^[:cntrl:] ()<>@,;:\\"\/\[\]?=]+\/[^[:cntrl:] ()<>@,;:\\"\/\[\]?=]+(; .*)?$/
)
end end

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@ -0,0 +1,25 @@
# Pleroma: A lightweight social networking server
# Copyright © 2017-2022 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.EctoType.ActivityPub.ObjectValidators.MIME do
use Ecto.Type
require Pleroma.Constants
def type, do: :string
def cast(mime) when is_binary(mime) do
if mime =~ Pleroma.Constants.mime_regex() do
{:ok, mime}
else
{:ok, "application/octet-stream"}
end
end
def cast(_), do: :error
def dump(data), do: {:ok, data}
def load(data), do: {:ok, data}
end