summaryrefslogtreecommitdiff
path: root/test/pleroma/web/activity_pub/transmogrifier_test.exs
blob: 211e535a52f8dc020d644c23c663a1ca8373d48d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
# Pleroma: A lightweight social networking server
# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only

defmodule Pleroma.Web.ActivityPub.TransmogrifierTest do
  use Oban.Testing, repo: Pleroma.Repo
  use Pleroma.DataCase

  alias Pleroma.Activity
  alias Pleroma.Object
  alias Pleroma.Tests.ObanHelpers
  alias Pleroma.User
  alias Pleroma.Web.ActivityPub.Transmogrifier
  alias Pleroma.Web.AdminAPI.AccountView
  alias Pleroma.Web.CommonAPI

  import Mock
  import Pleroma.Factory
  import ExUnit.CaptureLog

  setup_all do
    Tesla.Mock.mock_global(fn env -> apply(HttpRequestMock, :request, [env]) end)
    :ok
  end

  setup do: clear_config([:instance, :max_remote_account_fields])

  describe "handle_incoming" do
    test "it works for incoming unfollows with an existing follow" do
      user = insert(:user)

      follow_data =
        File.read!("test/fixtures/mastodon-follow-activity.json")
        |> Jason.decode!()
        |> Map.put("object", user.ap_id)

      {:ok, %Activity{data: _, local: false}} = Transmogrifier.handle_incoming(follow_data)

      data =
        File.read!("test/fixtures/mastodon-unfollow-activity.json")
        |> Jason.decode!()
        |> Map.put("object", follow_data)

      {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)

      assert data["type"] == "Undo"
      assert data["object"]["type"] == "Follow"
      assert data["object"]["object"] == user.ap_id
      assert data["actor"] == "http://mastodon.example.org/users/admin"

      refute User.following?(User.get_cached_by_ap_id(data["actor"]), user)
    end

    test "it accepts Flag activities" do
      user = insert(:user)
      other_user = insert(:user)

      {:ok, activity} = CommonAPI.post(user, %{status: "test post"})
      object = Object.normalize(activity, fetch: false)

      note_obj = %{
        "type" => "Note",
        "id" => activity.data["id"],
        "content" => "test post",
        "published" => object.data["published"],
        "actor" => AccountView.render("show.json", %{user: user, skip_visibility_check: true})
      }

      message = %{
        "@context" => "https://www.w3.org/ns/activitystreams",
        "cc" => [user.ap_id],
        "object" => [user.ap_id, activity.data["id"]],
        "type" => "Flag",
        "content" => "blocked AND reported!!!",
        "actor" => other_user.ap_id
      }

      assert {:ok, activity} = Transmogrifier.handle_incoming(message)

      assert activity.data["object"] == [user.ap_id, note_obj]
      assert activity.data["content"] == "blocked AND reported!!!"
      assert activity.data["actor"] == other_user.ap_id
      assert activity.data["cc"] == [user.ap_id]
    end

    test "it accepts Move activities" do
      old_user = insert(:user)
      new_user = insert(:user)

      message = %{
        "@context" => "https://www.w3.org/ns/activitystreams",
        "type" => "Move",
        "actor" => old_user.ap_id,
        "object" => old_user.ap_id,
        "target" => new_user.ap_id
      }

      assert :error = Transmogrifier.handle_incoming(message)

      {:ok, _new_user} = User.update_and_set_cache(new_user, %{also_known_as: [old_user.ap_id]})

      assert {:ok, %Activity{} = activity} = Transmogrifier.handle_incoming(message)
      assert activity.actor == old_user.ap_id
      assert activity.data["actor"] == old_user.ap_id
      assert activity.data["object"] == old_user.ap_id
      assert activity.data["target"] == new_user.ap_id
      assert activity.data["type"] == "Move"
    end
  end

  describe "prepare outgoing" do
    test "it inlines private announced objects" do
      user = insert(:user)

      {:ok, activity} = CommonAPI.post(user, %{status: "hey", visibility: "private"})

      {:ok, announce_activity} = CommonAPI.repeat(activity.id, user)

      {:ok, modified} = Transmogrifier.prepare_outgoing(announce_activity.data)

      assert modified["object"]["content"] == "hey"
      assert modified["object"]["actor"] == modified["object"]["attributedTo"]
    end

    test "it turns mentions into tags" do
      user = insert(:user)
      other_user = insert(:user)

      {:ok, activity} =
        CommonAPI.post(user, %{status: "hey, @#{other_user.nickname}, how are ya? #2hu"})

      with_mock Pleroma.Notification,
        get_notified_from_activity: fn _, _ -> [] end do
        {:ok, modified} = Transmogrifier.prepare_outgoing(activity.data)

        object = modified["object"]

        expected_mention = %{
          "href" => other_user.ap_id,
          "name" => "@#{other_user.nickname}",
          "type" => "Mention"
        }

        expected_tag = %{
          "href" => Pleroma.Web.Endpoint.url() <> "/tags/2hu",
          "type" => "Hashtag",
          "name" => "#2hu"
        }

        refute called(Pleroma.Notification.get_notified_from_activity(:_, :_))
        assert Enum.member?(object["tag"], expected_tag)
        assert Enum.member?(object["tag"], expected_mention)
      end
    end

    test "it adds the sensitive property" do
      user = insert(:user)

      {:ok, activity} = CommonAPI.post(user, %{status: "#nsfw hey"})
      {:ok, modified} = Transmogrifier.prepare_outgoing(activity.data)

      assert modified["object"]["sensitive"]
    end

    test "it adds the json-ld context and the conversation property" do
      user = insert(:user)

      {:ok, activity} = CommonAPI.post(user, %{status: "hey"})
      {:ok, modified} = Transmogrifier.prepare_outgoing(activity.data)

      assert modified["@context"] ==
               Pleroma.Web.ActivityPub.Utils.make_json_ld_header()["@context"]

      assert modified["object"]["conversation"] == modified["context"]
    end

    test "it sets the 'attributedTo' property to the actor of the object if it doesn't have one" do
      user = insert(:user)

      {:ok, activity} = CommonAPI.post(user, %{status: "hey"})
      {:ok, modified} = Transmogrifier.prepare_outgoing(activity.data)

      assert modified["object"]["actor"] == modified["object"]["attributedTo"]
    end

    test "it strips internal hashtag data" do
      user = insert(:user)

      {:ok, activity} = CommonAPI.post(user, %{status: "#2hu"})

      expected_tag = %{
        "href" => Pleroma.Web.Endpoint.url() <> "/tags/2hu",
        "type" => "Hashtag",
        "name" => "#2hu"
      }

      {:ok, modified} = Transmogrifier.prepare_outgoing(activity.data)

      assert modified["object"]["tag"] == [expected_tag]
    end

    test "it strips internal fields" do
      user = insert(:user)

      {:ok, activity} =
        CommonAPI.post(user, %{
          status: "#2hu :firefox:",
          generator: %{type: "Application", name: "TestClient", url: "https://pleroma.social"}
        })

      # Ensure injected application data made it into the activity
      # as we don't have a Token to derive it from, otherwise it will
      # be nil and the test will pass
      assert %{
               type: "Application",
               name: "TestClient",
               url: "https://pleroma.social"
             } == activity.object.data["generator"]

      {:ok, modified} = Transmogrifier.prepare_outgoing(activity.data)

      assert length(modified["object"]["tag"]) == 2

      assert is_nil(modified["object"]["emoji"])
      assert is_nil(modified["object"]["like_count"])
      assert is_nil(modified["object"]["announcements"])
      assert is_nil(modified["object"]["announcement_count"])
      assert is_nil(modified["object"]["context_id"])
      assert is_nil(modified["object"]["generator"])
    end

    test "it strips internal fields of article" do
      activity = insert(:article_activity)

      {:ok, modified} = Transmogrifier.prepare_outgoing(activity.data)

      assert length(modified["object"]["tag"]) == 2

      assert is_nil(modified["object"]["emoji"])
      assert is_nil(modified["object"]["like_count"])
      assert is_nil(modified["object"]["announcements"])
      assert is_nil(modified["object"]["announcement_count"])
      assert is_nil(modified["object"]["context_id"])
      assert is_nil(modified["object"]["likes"])
    end

    test "the directMessage flag is present" do
      user = insert(:user)
      other_user = insert(:user)

      {:ok, activity} = CommonAPI.post(user, %{status: "2hu :moominmamma:"})

      {:ok, modified} = Transmogrifier.prepare_outgoing(activity.data)

      assert modified["directMessage"] == false

      {:ok, activity} = CommonAPI.post(user, %{status: "@#{other_user.nickname} :moominmamma:"})

      {:ok, modified} = Transmogrifier.prepare_outgoing(activity.data)

      assert modified["directMessage"] == false

      {:ok, activity} =
        CommonAPI.post(user, %{
          status: "@#{other_user.nickname} :moominmamma:",
          visibility: "direct"
        })

      {:ok, modified} = Transmogrifier.prepare_outgoing(activity.data)

      assert modified["directMessage"] == true
    end

    test "it strips BCC field" do
      user = insert(:user)
      {:ok, list} = Pleroma.List.create("foo", user)

      {:ok, activity} = CommonAPI.post(user, %{status: "foobar", visibility: "list:#{list.id}"})

      {:ok, modified} = Transmogrifier.prepare_outgoing(activity.data)

      assert is_nil(modified["bcc"])
    end

    test "it can handle Listen activities" do
      listen_activity = insert(:listen)

      {:ok, modified} = Transmogrifier.prepare_outgoing(listen_activity.data)

      assert modified["type"] == "Listen"

      user = insert(:user)

      {:ok, activity} = CommonAPI.listen(user, %{"title" => "lain radio episode 1"})

      {:ok, _modified} = Transmogrifier.prepare_outgoing(activity.data)
    end

    test "custom emoji urls are URI encoded" do
      # :dinosaur: filename has a space -> dino walking.gif
      user = insert(:user)

      {:ok, activity} = CommonAPI.post(user, %{status: "everybody do the dinosaur :dinosaur:"})

      {:ok, prepared} = Transmogrifier.prepare_outgoing(activity.data)

      assert length(prepared["object"]["tag"]) == 1

      url = prepared["object"]["tag"] |> List.first() |> Map.get("icon") |> Map.get("url")

      assert url == "http://localhost:4001/emoji/dino%20walking.gif"
    end
  end

  describe "user upgrade" do
    test "it upgrades a user to activitypub" do
      user =
        insert(:user, %{
          nickname: "rye@niu.moe",
          local: false,
          ap_id: "https://niu.moe/users/rye",
          follower_address: User.ap_followers(%User{nickname: "rye@niu.moe"})
        })

      user_two = insert(:user)
      Pleroma.FollowingRelationship.follow(user_two, user, :follow_accept)

      {:ok, activity} = CommonAPI.post(user, %{status: "test"})
      {:ok, unrelated_activity} = CommonAPI.post(user_two, %{status: "test"})
      assert "http://localhost:4001/users/rye@niu.moe/followers" in activity.recipients

      user = User.get_cached_by_id(user.id)
      assert user.note_count == 1

      {:ok, user} = Transmogrifier.upgrade_user_from_ap_id("https://niu.moe/users/rye")
      ObanHelpers.perform_all()

      assert user.ap_enabled
      assert user.note_count == 1
      assert user.follower_address == "https://niu.moe/users/rye/followers"
      assert user.following_address == "https://niu.moe/users/rye/following"

      user = User.get_cached_by_id(user.id)
      assert user.note_count == 1

      activity = Activity.get_by_id(activity.id)
      assert user.follower_address in activity.recipients

      assert %{
               "url" => [
                 %{
                   "href" =>
                     "https://cdn.niu.moe/accounts/avatars/000/033/323/original/fd7f8ae0b3ffedc9.jpeg"
                 }
               ]
             } = user.avatar

      assert %{
               "url" => [
                 %{
                   "href" =>
                     "https://cdn.niu.moe/accounts/headers/000/033/323/original/850b3448fa5fd477.png"
                 }
               ]
             } = user.banner

      refute "..." in activity.recipients

      unrelated_activity = Activity.get_by_id(unrelated_activity.id)
      refute user.follower_address in unrelated_activity.recipients

      user_two = User.get_cached_by_id(user_two.id)
      assert User.following?(user_two, user)
      refute "..." in User.following(user_two)
    end
  end

  describe "actor rewriting" do
    test "it fixes the actor URL property to be a proper URI" do
      data = %{
        "url" => %{"href" => "http://example.com"}
      }

      rewritten = Transmogrifier.maybe_fix_user_object(data)
      assert rewritten["url"] == "http://example.com"
    end
  end

  describe "actor origin containment" do
    test "it rejects activities which reference objects with bogus origins" do
      data = %{
        "@context" => "https://www.w3.org/ns/activitystreams",
        "id" => "http://mastodon.example.org/users/admin/activities/1234",
        "actor" => "http://mastodon.example.org/users/admin",
        "to" => ["https://www.w3.org/ns/activitystreams#Public"],
        "object" => "https://info.pleroma.site/activity.json",
        "type" => "Announce"
      }

      assert capture_log(fn ->
               {:error, _} = Transmogrifier.handle_incoming(data)
             end) =~ "Object containment failed"
    end

    test "it rejects activities which reference objects that have an incorrect attribution (variant 1)" do
      data = %{
        "@context" => "https://www.w3.org/ns/activitystreams",
        "id" => "http://mastodon.example.org/users/admin/activities/1234",
        "actor" => "http://mastodon.example.org/users/admin",
        "to" => ["https://www.w3.org/ns/activitystreams#Public"],
        "object" => "https://info.pleroma.site/activity2.json",
        "type" => "Announce"
      }

      assert capture_log(fn ->
               {:error, _} = Transmogrifier.handle_incoming(data)
             end) =~ "Object containment failed"
    end

    test "it rejects activities which reference objects that have an incorrect attribution (variant 2)" do
      data = %{
        "@context" => "https://www.w3.org/ns/activitystreams",
        "id" => "http://mastodon.example.org/users/admin/activities/1234",
        "actor" => "http://mastodon.example.org/users/admin",
        "to" => ["https://www.w3.org/ns/activitystreams#Public"],
        "object" => "https://info.pleroma.site/activity3.json",
        "type" => "Announce"
      }

      assert capture_log(fn ->
               {:error, _} = Transmogrifier.handle_incoming(data)
             end) =~ "Object containment failed"
    end
  end

  describe "fix_explicit_addressing" do
    setup do
      user = insert(:user)
      [user: user]
    end

    test "moves non-explicitly mentioned actors to cc", %{user: user} do
      explicitly_mentioned_actors = [
        "https://pleroma.gold/users/user1",
        "https://pleroma.gold/user2"
      ]

      object = %{
        "actor" => user.ap_id,
        "to" => explicitly_mentioned_actors ++ ["https://social.beepboop.ga/users/dirb"],
        "cc" => [],
        "tag" =>
          Enum.map(explicitly_mentioned_actors, fn href ->
            %{"type" => "Mention", "href" => href}
          end)
      }

      fixed_object = Transmogrifier.fix_explicit_addressing(object)
      assert Enum.all?(explicitly_mentioned_actors, &(&1 in fixed_object["to"]))
      refute "https://social.beepboop.ga/users/dirb" in fixed_object["to"]
      assert "https://social.beepboop.ga/users/dirb" in fixed_object["cc"]
    end

    test "does not move actor's follower collection to cc", %{user: user} do
      object = %{
        "actor" => user.ap_id,
        "to" => [user.follower_address],
        "cc" => []
      }

      fixed_object = Transmogrifier.fix_explicit_addressing(object)
      assert user.follower_address in fixed_object["to"]
      refute user.follower_address in fixed_object["cc"]
    end

    test "removes recipient's follower collection from cc", %{user: user} do
      recipient = insert(:user)

      object = %{
        "actor" => user.ap_id,
        "to" => [recipient.ap_id, "https://www.w3.org/ns/activitystreams#Public"],
        "cc" => [user.follower_address, recipient.follower_address]
      }

      fixed_object = Transmogrifier.fix_explicit_addressing(object)

      assert user.follower_address in fixed_object["cc"]
      refute recipient.follower_address in fixed_object["cc"]
      refute recipient.follower_address in fixed_object["to"]
    end
  end

  describe "fix_summary/1" do
    test "returns fixed object" do
      assert Transmogrifier.fix_summary(%{"summary" => nil}) == %{"summary" => ""}
      assert Transmogrifier.fix_summary(%{"summary" => "ok"}) == %{"summary" => "ok"}
      assert Transmogrifier.fix_summary(%{}) == %{"summary" => ""}
    end
  end

  describe "fix_url/1" do
    test "fixes data for object when url is map" do
      object = %{
        "url" => %{
          "type" => "Link",
          "mimeType" => "video/mp4",
          "href" => "https://peede8d-46fb-ad81-2d4c2d1630e3-480.mp4"
        }
      }

      assert Transmogrifier.fix_url(object) == %{
               "url" => "https://peede8d-46fb-ad81-2d4c2d1630e3-480.mp4"
             }
    end

    test "returns non-modified object" do
      assert Transmogrifier.fix_url(%{"type" => "Text"}) == %{"type" => "Text"}
    end
  end

  describe "get_obj_helper/2" do
    test "returns nil when cannot normalize object" do
      assert capture_log(fn ->
               refute Transmogrifier.get_obj_helper("test-obj-id")
             end) =~ "Unsupported URI scheme"
    end

    @tag capture_log: true
    test "returns {:ok, %Object{}} for success case" do
      assert {:ok, %Object{}} =
               Transmogrifier.get_obj_helper(
                 "https://mstdn.io/users/mayuutann/statuses/99568293732299394"
               )
    end
  end
end