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   1 # Pleroma: A lightweight social networking server
   2 # Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
   3 # SPDX-License-Identifier: AGPL-3.0-only
   4
   5 defmodule Pleroma.Web.ActivityPub.MRFTest do
   6   use ExUnit.Case, async: true
   7   use Pleroma.Tests.Helpers
   8   alias Pleroma.Web.ActivityPub.MRF
   9
  10   test "subdomains_regex/1" do
  11     assert MRF.subdomains_regex(["unsafe.tld", "*.unsafe.tld"]) == [
  12              ~r/^(.+\.)?unsafe\.tld$/i,
  13              ~r/^(.+\.)?unsafe\.tld$/i
  14            ]
  15   end
  16
  17   describe "subdomain_match/2" do
  18     test "common domains" do
  19       regexes = MRF.subdomains_regex(["unsafe.tld", "unsafe2.tld"])
  20
  21       assert regexes == [~r/^(.+\.)?unsafe\.tld$/i, ~r/^(.+\.)?unsafe2\.tld$/i]
  22
  23       assert MRF.subdomain_match?(regexes, "unsafe.tld")
  24       assert MRF.subdomain_match?(regexes, "unsafe2.tld")
  25
  26       refute MRF.subdomain_match?(regexes, "example.com")
  27     end
  28
  29     test "wildcard domains with one subdomain" do
  30       regexes = MRF.subdomains_regex(["unsafe.tld"])
  31
  32       assert regexes == [~r/^(.+\.)?unsafe\.tld$/i]
  33
  34       assert MRF.subdomain_match?(regexes, "unsafe.tld")
  35       assert MRF.subdomain_match?(regexes, "sub.unsafe.tld")
  36       refute MRF.subdomain_match?(regexes, "anotherunsafe.tld")
  37       refute MRF.subdomain_match?(regexes, "unsafe.tldanother")
  38     end
  39
  40     test "wildcard domains with two subdomains" do
  41       regexes = MRF.subdomains_regex(["unsafe.tld"])
  42
  43       assert regexes == [~r/^(.+\.)?unsafe\.tld$/i]
  44
  45       assert MRF.subdomain_match?(regexes, "unsafe.tld")
  46       assert MRF.subdomain_match?(regexes, "sub.sub.unsafe.tld")
  47       refute MRF.subdomain_match?(regexes, "sub.anotherunsafe.tld")
  48       refute MRF.subdomain_match?(regexes, "sub.unsafe.tldanother")
  49     end
  50
  51     test "matches are case-insensitive" do
  52       regexes = MRF.subdomains_regex(["UnSafe.TLD", "UnSAFE2.Tld"])
  53
  54       assert regexes == [~r/^(.+\.)?UnSafe\.TLD$/i, ~r/^(.+\.)?UnSAFE2\.Tld$/i]
  55
  56       assert MRF.subdomain_match?(regexes, "UNSAFE.TLD")
  57       assert MRF.subdomain_match?(regexes, "UNSAFE2.TLD")
  58       assert MRF.subdomain_match?(regexes, "unsafe.tld")
  59       assert MRF.subdomain_match?(regexes, "unsafe2.tld")
  60
  61       refute MRF.subdomain_match?(regexes, "EXAMPLE.COM")
  62       refute MRF.subdomain_match?(regexes, "example.com")
  63     end
  64   end
  65
  66   describe "instance_list_from_tuples/1" do
  67     test "returns a list of instances from a list of {instance, reason} tuples" do
  68       list = [{"some.tld", "a reason"}, {"other.tld", "another reason"}]
  69       expected = ["some.tld", "other.tld"]
  70
  71       assert MRF.instance_list_from_tuples(list) == expected
  72     end
  73   end
  74
  75   describe "describe/0" do
  76     test "it works as expected with noop policy" do
  77       clear_config([:mrf, :policies], [Pleroma.Web.ActivityPub.MRF.NoOpPolicy])
  78
  79       expected = %{
  80         mrf_policies: ["NoOpPolicy", "HashtagPolicy", "InlineQuotePolicy"],
  81         mrf_hashtag: %{
  82           federated_timeline_removal: [],
  83           reject: [],
  84           sensitive: ["nsfw"]
  85         },
  86         exclusions: false
  87       }
  88
  89       {:ok, ^expected} = MRF.describe()
  90     end
  91
  92     test "it works as expected with mock policy" do
  93       clear_config([:mrf, :policies], [MRFModuleMock])
  94
  95       expected = %{
  96         mrf_policies: ["MRFModuleMock", "HashtagPolicy", "InlineQuotePolicy"],
  97         mrf_module_mock: "some config data",
  98         mrf_hashtag: %{
  99           federated_timeline_removal: [],
 100           reject: [],
 101           sensitive: ["nsfw"]
 102         },
 103         exclusions: false
 104       }
 105
 106       {:ok, ^expected} = MRF.describe()
 107     end
 108   end
 109
 110   test "config_descriptions/0" do
 111     descriptions = MRF.config_descriptions()
 112
 113     good_mrf = Enum.find(descriptions, fn %{key: key} -> key == :good_mrf end)
 114
 115     assert good_mrf == %{
 116              key: :good_mrf,
 117              related_policy: "Fixtures.Modules.GoodMRF",
 118              label: "Good MRF",
 119              description: "Some description",
 120              group: :pleroma,
 121              tab: :mrf,
 122              type: :group
 123            }
 124   end
 125 end