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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.MRF.AntiFollowbotPolicyTest do
   6   use Pleroma.DataCase, async: true
   7   import Pleroma.Factory
   8
   9   alias Pleroma.User
  10   alias Pleroma.Web.ActivityPub.MRF.AntiFollowbotPolicy
  11
  12   describe "blocking based on attributes" do
  13     test "matches followbots by nickname" do
  14       actor = insert(:user, %{nickname: "followbot@example.com"})
  15       target = insert(:user)
  16
  17       message = %{
  18         "@context" => "https://www.w3.org/ns/activitystreams",
  19         "type" => "Follow",
  20         "actor" => actor.ap_id,
  21         "object" => target.ap_id,
  22         "id" => "https://example.com/activities/1234"
  23       }
  24
  25       assert {:reject, "[AntiFollowbotPolicy]" <> _} = AntiFollowbotPolicy.filter(message)
  26     end
  27
  28     test "matches followbots by display name" do
  29       actor = insert(:user, %{name: "Federation Bot"})
  30       target = insert(:user)
  31
  32       message = %{
  33         "@context" => "https://www.w3.org/ns/activitystreams",
  34         "type" => "Follow",
  35         "actor" => actor.ap_id,
  36         "object" => target.ap_id,
  37         "id" => "https://example.com/activities/1234"
  38       }
  39
  40       assert {:reject, "[AntiFollowbotPolicy]" <> _} = AntiFollowbotPolicy.filter(message)
  41     end
  42
  43     test "matches followbots by actor_type" do
  44       actor = insert(:user, %{actor_type: "Service"})
  45       target = insert(:user)
  46
  47       message = %{
  48         "@context" => "https://www.w3.org/ns/activitystreams",
  49         "type" => "Follow",
  50         "actor" => actor.ap_id,
  51         "object" => target.ap_id,
  52         "id" => "https://example.com/activities/1234"
  53       }
  54
  55       assert {:reject, "[AntiFollowbotPolicy]" <> _} = AntiFollowbotPolicy.filter(message)
  56     end
  57   end
  58
  59   describe "it allows" do
  60     test "non-followbots" do
  61       actor = insert(:user)
  62       target = insert(:user)
  63
  64       message = %{
  65         "@context" => "https://www.w3.org/ns/activitystreams",
  66         "type" => "Follow",
  67         "actor" => actor.ap_id,
  68         "object" => target.ap_id,
  69         "id" => "https://example.com/activities/1234"
  70       }
  71
  72       {:ok, _} = AntiFollowbotPolicy.filter(message)
  73     end
  74
  75     test "bots if the target follows the bots" do
  76       actor = insert(:user, %{actor_type: "Service"})
  77       target = insert(:user)
  78
  79       User.follow(target, actor)
  80
  81       message = %{
  82         "@context" => "https://www.w3.org/ns/activitystreams",
  83         "type" => "Follow",
  84         "actor" => actor.ap_id,
  85         "object" => target.ap_id,
  86         "id" => "https://example.com/activities/1234"
  87       }
  88
  89       {:ok, _} = AntiFollowbotPolicy.filter(message)
  90     end
  91   end
  92
  93   test "it gracefully handles nil display names" do
  94     actor = insert(:user, %{name: nil})
  95     target = insert(:user)
  96
  97     message = %{
  98       "@context" => "https://www.w3.org/ns/activitystreams",
  99       "type" => "Follow",
 100       "actor" => actor.ap_id,
 101       "object" => target.ap_id,
 102       "id" => "https://example.com/activities/1234"
 103     }
 104
 105     {:ok, _} = AntiFollowbotPolicy.filter(message)
 106   end
 107 end