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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.Web.ActivityPub.MRF.ObjectAgePolicyTest do
   6   use Pleroma.DataCase
   7   alias Pleroma.Config
   8   alias Pleroma.User
   9   alias Pleroma.Web.ActivityPub.MRF.ObjectAgePolicy
  10   alias Pleroma.Web.ActivityPub.Visibility
  11
  12   setup do:
  13           clear_config(:mrf_object_age,
  14             threshold: 172_800,
  15             actions: [:delist, :strip_followers]
  16           )
  17
  18   setup_all do
  19     Tesla.Mock.mock_global(fn env -> apply(HttpRequestMock, :request, [env]) end)
  20     :ok
  21   end
  22
  23   defp get_old_message do
  24     File.read!("test/fixtures/mastodon-post-activity.json")
  25     |> Poison.decode!()
  26   end
  27
  28   defp get_new_message do
  29     old_message = get_old_message()
  30
  31     new_object =
  32       old_message
  33       |> Map.get("object")
  34       |> Map.put("published", DateTime.utc_now() |> DateTime.to_iso8601())
  35
  36     old_message
  37     |> Map.put("object", new_object)
  38   end
  39
  40   describe "with reject action" do
  41     test "works with objects with empty to or cc fields" do
  42       Config.put([:mrf_object_age, :actions], [:reject])
  43
  44       data =
  45         get_old_message()
  46         |> Map.put("cc", nil)
  47         |> Map.put("to", nil)
  48
  49       assert match?({:reject, _}, ObjectAgePolicy.filter(data))
  50     end
  51
  52     test "it rejects an old post" do
  53       Config.put([:mrf_object_age, :actions], [:reject])
  54
  55       data = get_old_message()
  56
  57       assert match?({:reject, _}, ObjectAgePolicy.filter(data))
  58     end
  59
  60     test "it allows a new post" do
  61       Config.put([:mrf_object_age, :actions], [:reject])
  62
  63       data = get_new_message()
  64
  65       assert match?({:ok, _}, ObjectAgePolicy.filter(data))
  66     end
  67   end
  68
  69   describe "with delist action" do
  70     test "works with objects with empty to or cc fields" do
  71       Config.put([:mrf_object_age, :actions], [:delist])
  72
  73       data =
  74         get_old_message()
  75         |> Map.put("cc", nil)
  76         |> Map.put("to", nil)
  77
  78       {:ok, _u} = User.get_or_fetch_by_ap_id(data["actor"])
  79
  80       {:ok, data} = ObjectAgePolicy.filter(data)
  81
  82       assert Visibility.get_visibility(%{data: data}) == "unlisted"
  83     end
  84
  85     test "it delists an old post" do
  86       Config.put([:mrf_object_age, :actions], [:delist])
  87
  88       data = get_old_message()
  89
  90       {:ok, _u} = User.get_or_fetch_by_ap_id(data["actor"])
  91
  92       {:ok, data} = ObjectAgePolicy.filter(data)
  93
  94       assert Visibility.get_visibility(%{data: data}) == "unlisted"
  95     end
  96
  97     test "it allows a new post" do
  98       Config.put([:mrf_object_age, :actions], [:delist])
  99
 100       data = get_new_message()
 101
 102       {:ok, _user} = User.get_or_fetch_by_ap_id(data["actor"])
 103
 104       assert match?({:ok, ^data}, ObjectAgePolicy.filter(data))
 105     end
 106   end
 107
 108   describe "with strip_followers action" do
 109     test "works with objects with empty to or cc fields" do
 110       Config.put([:mrf_object_age, :actions], [:strip_followers])
 111
 112       data =
 113         get_old_message()
 114         |> Map.put("cc", nil)
 115         |> Map.put("to", nil)
 116
 117       {:ok, user} = User.get_or_fetch_by_ap_id(data["actor"])
 118
 119       {:ok, data} = ObjectAgePolicy.filter(data)
 120
 121       refute user.follower_address in data["to"]
 122       refute user.follower_address in data["cc"]
 123     end
 124
 125     test "it strips followers collections from an old post" do
 126       Config.put([:mrf_object_age, :actions], [:strip_followers])
 127
 128       data = get_old_message()
 129
 130       {:ok, user} = User.get_or_fetch_by_ap_id(data["actor"])
 131
 132       {:ok, data} = ObjectAgePolicy.filter(data)
 133
 134       refute user.follower_address in data["to"]
 135       refute user.follower_address in data["cc"]
 136     end
 137
 138     test "it allows a new post" do
 139       Config.put([:mrf_object_age, :actions], [:strip_followers])
 140
 141       data = get_new_message()
 142
 143       {:ok, _u} = User.get_or_fetch_by_ap_id(data["actor"])
 144
 145       assert match?({:ok, ^data}, ObjectAgePolicy.filter(data))
 146     end
 147   end
 148 end