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   1 # Pleroma: A lightweight social networking server
   2 # Copyright © 2019 Pleroma Authors <https://pleroma.social/>
   3 # SPDX-License-Identifier: AGPL-3.0-only
   4
   5 defmodule Pleroma.Web.ActivityPub.MRF.NormalizeMarkupTest do
   6   use Pleroma.DataCase
   7   alias Pleroma.Web.ActivityPub.MRF.NormalizeMarkup
   8
   9   @html_sample """
  10   <b>this is in bold</b>
  11   <p>this is a paragraph</p>
  12   this is a linebreak<br />
  13   this is a link with allowed "rel" attribute: <a href="http://example.com/" rel="tag">example.com</a>
  14   this is a link with not allowed "rel" attribute: <a href="http://example.com/" rel="tag noallowed">example.com</a>
  15   this is an image: <img src="http://example.com/image.jpg"><br />
  16   <script>alert('hacked')</script>
  17   """
  18
  19   test "it filter html tags" do
  20     expected = """
  21     <b>this is in bold</b>
  22     <p>this is a paragraph</p>
  23     this is a linebreak<br />
  24     this is a link with allowed "rel" attribute: <a href="http://example.com/" rel="tag">example.com</a>
  25     this is a link with not allowed "rel" attribute: <a href="http://example.com/">example.com</a>
  26     this is an image: <img src="http://example.com/image.jpg" /><br />
  27     alert('hacked')
  28     """
  29
  30     message = %{"type" => "Create", "object" => %{"content" => @html_sample}}
  31
  32     assert {:ok, res} = NormalizeMarkup.filter(message)
  33     assert res["object"]["content"] == expected
  34   end
  35
  36   test "it skips filter if type isn't `Create`" do
  37     message = %{"type" => "Note", "object" => %{}}
  38
  39     assert {:ok, res} = NormalizeMarkup.filter(message)
  40     assert res == message
  41   end
  42 end