git.squeep.com Git - akkoma/blob - test/pleroma/web/activity_pub/mrf/anti_link_spam_policy_test.exs

   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.AntiLinkSpamPolicyTest do
   6   use Pleroma.DataCase
   7   import Pleroma.Factory
   8   import ExUnit.CaptureLog
   9
  10   alias Pleroma.Web.ActivityPub.MRF.AntiLinkSpamPolicy
  11
  12   @linkless_message %{
  13     "type" => "Create",
  14     "object" => %{
  15       "content" => "hi world!"
  16     }
  17   }
  18
  19   @linkful_message %{
  20     "type" => "Create",
  21     "object" => %{
  22       "content" => "<a href='https://example.com'>hi world!</a>"
  23     }
  24   }
  25
  26   @response_message %{
  27     "type" => "Create",
  28     "object" => %{
  29       "name" => "yes",
  30       "type" => "Answer"
  31     }
  32   }
  33
  34   describe "with new user" do
  35     test "it allows posts without links" do
  36       user = insert(:user, local: false)
  37
  38       assert user.note_count == 0
  39
  40       message =
  41         @linkless_message
  42         |> Map.put("actor", user.ap_id)
  43
  44       {:ok, _message} = AntiLinkSpamPolicy.filter(message)
  45     end
  46
  47     test "it disallows posts with links" do
  48       user = insert(:user, local: false)
  49
  50       assert user.note_count == 0
  51
  52       message =
  53         @linkful_message
  54         |> Map.put("actor", user.ap_id)
  55
  56       {:reject, _} = AntiLinkSpamPolicy.filter(message)
  57     end
  58
  59     test "it allows posts with links for local users" do
  60       user = insert(:user)
  61
  62       assert user.note_count == 0
  63
  64       message =
  65         @linkful_message
  66         |> Map.put("actor", user.ap_id)
  67
  68       {:ok, _message} = AntiLinkSpamPolicy.filter(message)
  69     end
  70   end
  71
  72   describe "with old user" do
  73     test "it allows posts without links" do
  74       user = insert(:user, note_count: 1)
  75
  76       assert user.note_count == 1
  77
  78       message =
  79         @linkless_message
  80         |> Map.put("actor", user.ap_id)
  81
  82       {:ok, _message} = AntiLinkSpamPolicy.filter(message)
  83     end
  84
  85     test "it allows posts with links" do
  86       user = insert(:user, note_count: 1)
  87
  88       assert user.note_count == 1
  89
  90       message =
  91         @linkful_message
  92         |> Map.put("actor", user.ap_id)
  93
  94       {:ok, _message} = AntiLinkSpamPolicy.filter(message)
  95     end
  96   end
  97
  98   describe "with followed new user" do
  99     test "it allows posts without links" do
 100       user = insert(:user, follower_count: 1)
 101
 102       assert user.follower_count == 1
 103
 104       message =
 105         @linkless_message
 106         |> Map.put("actor", user.ap_id)
 107
 108       {:ok, _message} = AntiLinkSpamPolicy.filter(message)
 109     end
 110
 111     test "it allows posts with links" do
 112       user = insert(:user, follower_count: 1)
 113
 114       assert user.follower_count == 1
 115
 116       message =
 117         @linkful_message
 118         |> Map.put("actor", user.ap_id)
 119
 120       {:ok, _message} = AntiLinkSpamPolicy.filter(message)
 121     end
 122   end
 123
 124   describe "with unknown actors" do
 125     setup do
 126       Tesla.Mock.mock(fn
 127         %{method: :get, url: "http://invalid.actor"} ->
 128           %Tesla.Env{status: 500, body: ""}
 129       end)
 130
 131       :ok
 132     end
 133
 134     test "it rejects posts without links" do
 135       message =
 136         @linkless_message
 137         |> Map.put("actor", "http://invalid.actor")
 138
 139       assert capture_log(fn ->
 140                {:reject, _} = AntiLinkSpamPolicy.filter(message)
 141              end) =~ "[error] Could not decode user at fetch http://invalid.actor"
 142     end
 143
 144     test "it rejects posts with links" do
 145       message =
 146         @linkful_message
 147         |> Map.put("actor", "http://invalid.actor")
 148
 149       assert capture_log(fn ->
 150                {:reject, _} = AntiLinkSpamPolicy.filter(message)
 151              end) =~ "[error] Could not decode user at fetch http://invalid.actor"
 152     end
 153   end
 154
 155   describe "with contentless-objects" do
 156     test "it does not reject them or error out" do
 157       user = insert(:user, note_count: 1)
 158
 159       message =
 160         @response_message
 161         |> Map.put("actor", user.ap_id)
 162
 163       {:ok, _message} = AntiLinkSpamPolicy.filter(message)
 164     end
 165   end
 166 end