git.squeep.com Git - akkoma/blob - test/web/activity_pub/transmogrifier_test.exs

   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.TransmogrifierTest do
   6   use Oban.Testing, repo: Pleroma.Repo
   7   use Pleroma.DataCase
   8
   9   alias Pleroma.Activity
  10   alias Pleroma.Object
  11   alias Pleroma.Object.Fetcher
  12   alias Pleroma.Tests.ObanHelpers
  13   alias Pleroma.User
  14   alias Pleroma.Web.ActivityPub.ActivityPub
  15   alias Pleroma.Web.ActivityPub.Transmogrifier
  16   alias Pleroma.Web.AdminAPI.AccountView
  17   alias Pleroma.Web.CommonAPI
  18
  19   import Mock
  20   import Pleroma.Factory
  21   import ExUnit.CaptureLog
  22
  23   setup_all do
  24     Tesla.Mock.mock_global(fn env -> apply(HttpRequestMock, :request, [env]) end)
  25     :ok
  26   end
  27
  28   setup do: clear_config([:instance, :max_remote_account_fields])
  29
  30   describe "handle_incoming" do
  31     test "it ignores an incoming notice if we already have it" do
  32       activity = insert(:note_activity)
  33
  34       data =
  35         File.read!("test/fixtures/mastodon-post-activity.json")
  36         |> Poison.decode!()
  37         |> Map.put("object", Object.normalize(activity).data)
  38
  39       {:ok, returned_activity} = Transmogrifier.handle_incoming(data)
  40
  41       assert activity == returned_activity
  42     end
  43
  44     @tag capture_log: true
  45     test "it fetches reply-to activities if we don't have them" do
  46       data =
  47         File.read!("test/fixtures/mastodon-post-activity.json")
  48         |> Poison.decode!()
  49
  50       object =
  51         data["object"]
  52         |> Map.put("inReplyTo", "https://shitposter.club/notice/2827873")
  53
  54       data = Map.put(data, "object", object)
  55       {:ok, returned_activity} = Transmogrifier.handle_incoming(data)
  56       returned_object = Object.normalize(returned_activity, false)
  57
  58       assert activity =
  59                Activity.get_create_by_object_ap_id(
  60                  "tag:shitposter.club,2017-05-05:noticeId=2827873:objectType=comment"
  61                )
  62
  63       assert returned_object.data["inReplyToAtomUri"] == "https://shitposter.club/notice/2827873"
  64     end
  65
  66     test "it does not fetch reply-to activities beyond max replies depth limit" do
  67       data =
  68         File.read!("test/fixtures/mastodon-post-activity.json")
  69         |> Poison.decode!()
  70
  71       object =
  72         data["object"]
  73         |> Map.put("inReplyTo", "https://shitposter.club/notice/2827873")
  74
  75       data = Map.put(data, "object", object)
  76
  77       with_mock Pleroma.Web.Federator,
  78         allowed_thread_distance?: fn _ -> false end do
  79         {:ok, returned_activity} = Transmogrifier.handle_incoming(data)
  80
  81         returned_object = Object.normalize(returned_activity, false)
  82
  83         refute Activity.get_create_by_object_ap_id(
  84                  "tag:shitposter.club,2017-05-05:noticeId=2827873:objectType=comment"
  85                )
  86
  87         assert returned_object.data["inReplyToAtomUri"] ==
  88                  "https://shitposter.club/notice/2827873"
  89       end
  90     end
  91
  92     test "it does not crash if the object in inReplyTo can't be fetched" do
  93       data =
  94         File.read!("test/fixtures/mastodon-post-activity.json")
  95         |> Poison.decode!()
  96
  97       object =
  98         data["object"]
  99         |> Map.put("inReplyTo", "https://404.site/whatever")
 100
 101       data =
 102         data
 103         |> Map.put("object", object)
 104
 105       assert capture_log(fn ->
 106                {:ok, _returned_activity} = Transmogrifier.handle_incoming(data)
 107              end) =~ "[error] Couldn't fetch \"https://404.site/whatever\", error: nil"
 108     end
 109
 110     test "it works for incoming notices" do
 111       data = File.read!("test/fixtures/mastodon-post-activity.json") |> Poison.decode!()
 112
 113       {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
 114
 115       assert data["id"] ==
 116                "http://mastodon.example.org/users/admin/statuses/99512778738411822/activity"
 117
 118       assert data["context"] ==
 119                "tag:mastodon.example.org,2018-02-12:objectId=20:objectType=Conversation"
 120
 121       assert data["to"] == ["https://www.w3.org/ns/activitystreams#Public"]
 122
 123       assert data["cc"] == [
 124                "http://mastodon.example.org/users/admin/followers",
 125                "http://localtesting.pleroma.lol/users/lain"
 126              ]
 127
 128       assert data["actor"] == "http://mastodon.example.org/users/admin"
 129
 130       object_data = Object.normalize(data["object"]).data
 131
 132       assert object_data["id"] ==
 133                "http://mastodon.example.org/users/admin/statuses/99512778738411822"
 134
 135       assert object_data["to"] == ["https://www.w3.org/ns/activitystreams#Public"]
 136
 137       assert object_data["cc"] == [
 138                "http://mastodon.example.org/users/admin/followers",
 139                "http://localtesting.pleroma.lol/users/lain"
 140              ]
 141
 142       assert object_data["actor"] == "http://mastodon.example.org/users/admin"
 143       assert object_data["attributedTo"] == "http://mastodon.example.org/users/admin"
 144
 145       assert object_data["context"] ==
 146                "tag:mastodon.example.org,2018-02-12:objectId=20:objectType=Conversation"
 147
 148       assert object_data["sensitive"] == true
 149
 150       user = User.get_cached_by_ap_id(object_data["actor"])
 151
 152       assert user.note_count == 1
 153     end
 154
 155     test "it works for incoming notices with hashtags" do
 156       data = File.read!("test/fixtures/mastodon-post-activity-hashtag.json") |> Poison.decode!()
 157
 158       {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
 159       object = Object.normalize(data["object"])
 160
 161       assert Enum.at(object.data["tag"], 2) == "moo"
 162     end
 163
 164     test "it works for incoming questions" do
 165       data = File.read!("test/fixtures/mastodon-question-activity.json") |> Poison.decode!()
 166
 167       {:ok, %Activity{local: false} = activity} = Transmogrifier.handle_incoming(data)
 168
 169       object = Object.normalize(activity)
 170
 171       assert Enum.all?(object.data["oneOf"], fn choice ->
 172                choice["name"] in [
 173                  "Dunno",
 174                  "Everyone knows that!",
 175                  "25 char limit is dumb",
 176                  "I can't even fit a funny"
 177                ]
 178              end)
 179     end
 180
 181     test "it works for incoming listens" do
 182       data = %{
 183         "@context" => "https://www.w3.org/ns/activitystreams",
 184         "to" => ["https://www.w3.org/ns/activitystreams#Public"],
 185         "cc" => [],
 186         "type" => "Listen",
 187         "id" => "http://mastodon.example.org/users/admin/listens/1234/activity",
 188         "actor" => "http://mastodon.example.org/users/admin",
 189         "object" => %{
 190           "type" => "Audio",
 191           "id" => "http://mastodon.example.org/users/admin/listens/1234",
 192           "attributedTo" => "http://mastodon.example.org/users/admin",
 193           "title" => "lain radio episode 1",
 194           "artist" => "lain",
 195           "album" => "lain radio",
 196           "length" => 180_000
 197         }
 198       }
 199
 200       {:ok, %Activity{local: false} = activity} = Transmogrifier.handle_incoming(data)
 201
 202       object = Object.normalize(activity)
 203
 204       assert object.data["title"] == "lain radio episode 1"
 205       assert object.data["artist"] == "lain"
 206       assert object.data["album"] == "lain radio"
 207       assert object.data["length"] == 180_000
 208     end
 209
 210     test "it rewrites Note votes to Answers and increments vote counters on question activities" do
 211       user = insert(:user)
 212
 213       {:ok, activity} =
 214         CommonAPI.post(user, %{
 215           "status" => "suya...",
 216           "poll" => %{"options" => ["suya", "suya.", "suya.."], "expires_in" => 10}
 217         })
 218
 219       object = Object.normalize(activity)
 220
 221       data =
 222         File.read!("test/fixtures/mastodon-vote.json")
 223         |> Poison.decode!()
 224         |> Kernel.put_in(["to"], user.ap_id)
 225         |> Kernel.put_in(["object", "inReplyTo"], object.data["id"])
 226         |> Kernel.put_in(["object", "to"], user.ap_id)
 227
 228       {:ok, %Activity{local: false} = activity} = Transmogrifier.handle_incoming(data)
 229       answer_object = Object.normalize(activity)
 230       assert answer_object.data["type"] == "Answer"
 231       object = Object.get_by_ap_id(object.data["id"])
 232
 233       assert Enum.any?(
 234                object.data["oneOf"],
 235                fn
 236                  %{"name" => "suya..", "replies" => %{"totalItems" => 1}} -> true
 237                  _ -> false
 238                end
 239              )
 240     end
 241
 242     test "it works for incoming notices with contentMap" do
 243       data =
 244         File.read!("test/fixtures/mastodon-post-activity-contentmap.json") |> Poison.decode!()
 245
 246       {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
 247       object = Object.normalize(data["object"])
 248
 249       assert object.data["content"] ==
 250                "<p><span class=\"h-card\"><a href=\"http://localtesting.pleroma.lol/users/lain\" class=\"u-url mention\">@<span>lain</span></a></span></p>"
 251     end
 252
 253     test "it works for incoming notices with to/cc not being an array (kroeg)" do
 254       data = File.read!("test/fixtures/kroeg-post-activity.json") |> Poison.decode!()
 255
 256       {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
 257       object = Object.normalize(data["object"])
 258
 259       assert object.data["content"] ==
 260                "<p>henlo from my Psion netBook</p><p>message sent from my Psion netBook</p>"
 261     end
 262
 263     test "it works for incoming announces with actor being inlined (kroeg)" do
 264       data = File.read!("test/fixtures/kroeg-announce-with-inline-actor.json") |> Poison.decode!()
 265
 266       {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
 267
 268       assert data["actor"] == "https://puckipedia.com/"
 269     end
 270
 271     test "it works for incoming notices with tag not being an array (kroeg)" do
 272       data = File.read!("test/fixtures/kroeg-array-less-emoji.json") |> Poison.decode!()
 273
 274       {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
 275       object = Object.normalize(data["object"])
 276
 277       assert object.data["emoji"] == %{
 278                "icon_e_smile" => "https://puckipedia.com/forum/images/smilies/icon_e_smile.png"
 279              }
 280
 281       data = File.read!("test/fixtures/kroeg-array-less-hashtag.json") |> Poison.decode!()
 282
 283       {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
 284       object = Object.normalize(data["object"])
 285
 286       assert "test" in object.data["tag"]
 287     end
 288
 289     test "it works for incoming notices with url not being a string (prismo)" do
 290       data = File.read!("test/fixtures/prismo-url-map.json") |> Poison.decode!()
 291
 292       {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
 293       object = Object.normalize(data["object"])
 294
 295       assert object.data["url"] == "https://prismo.news/posts/83"
 296     end
 297
 298     test "it cleans up incoming notices which are not really DMs" do
 299       user = insert(:user)
 300       other_user = insert(:user)
 301
 302       to = [user.ap_id, other_user.ap_id]
 303
 304       data =
 305         File.read!("test/fixtures/mastodon-post-activity.json")
 306         |> Poison.decode!()
 307         |> Map.put("to", to)
 308         |> Map.put("cc", [])
 309
 310       object =
 311         data["object"]
 312         |> Map.put("to", to)
 313         |> Map.put("cc", [])
 314
 315       data = Map.put(data, "object", object)
 316
 317       {:ok, %Activity{data: data, local: false} = activity} = Transmogrifier.handle_incoming(data)
 318
 319       assert data["to"] == []
 320       assert data["cc"] == to
 321
 322       object_data = Object.normalize(activity).data
 323
 324       assert object_data["to"] == []
 325       assert object_data["cc"] == to
 326     end
 327
 328     test "it works for incoming likes" do
 329       user = insert(:user)
 330       {:ok, activity} = CommonAPI.post(user, %{"status" => "hello"})
 331
 332       data =
 333         File.read!("test/fixtures/mastodon-like.json")
 334         |> Poison.decode!()
 335         |> Map.put("object", activity.data["object"])
 336
 337       {:ok, %Activity{data: data, local: false} = activity} = Transmogrifier.handle_incoming(data)
 338
 339       refute Enum.empty?(activity.recipients)
 340
 341       assert data["actor"] == "http://mastodon.example.org/users/admin"
 342       assert data["type"] == "Like"
 343       assert data["id"] == "http://mastodon.example.org/users/admin#likes/2"
 344       assert data["object"] == activity.data["object"]
 345     end
 346
 347     test "it works for incoming misskey likes, turning them into EmojiReacts" do
 348       user = insert(:user)
 349       {:ok, activity} = CommonAPI.post(user, %{"status" => "hello"})
 350
 351       data =
 352         File.read!("test/fixtures/misskey-like.json")
 353         |> Poison.decode!()
 354         |> Map.put("object", activity.data["object"])
 355
 356       {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
 357
 358       assert data["actor"] == data["actor"]
 359       assert data["type"] == "EmojiReact"
 360       assert data["id"] == data["id"]
 361       assert data["object"] == activity.data["object"]
 362       assert data["content"] == "🍮"
 363     end
 364
 365     test "it works for incoming misskey likes that contain unicode emojis, turning them into EmojiReacts" do
 366       user = insert(:user)
 367       {:ok, activity} = CommonAPI.post(user, %{"status" => "hello"})
 368
 369       data =
 370         File.read!("test/fixtures/misskey-like.json")
 371         |> Poison.decode!()
 372         |> Map.put("object", activity.data["object"])
 373         |> Map.put("_misskey_reaction", "⭐")
 374
 375       {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
 376
 377       assert data["actor"] == data["actor"]
 378       assert data["type"] == "EmojiReact"
 379       assert data["id"] == data["id"]
 380       assert data["object"] == activity.data["object"]
 381       assert data["content"] == "⭐"
 382     end
 383
 384     test "it works for incoming emoji reactions" do
 385       user = insert(:user)
 386       {:ok, activity} = CommonAPI.post(user, %{"status" => "hello"})
 387
 388       data =
 389         File.read!("test/fixtures/emoji-reaction.json")
 390         |> Poison.decode!()
 391         |> Map.put("object", activity.data["object"])
 392
 393       {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
 394
 395       assert data["actor"] == "http://mastodon.example.org/users/admin"
 396       assert data["type"] == "EmojiReact"
 397       assert data["id"] == "http://mastodon.example.org/users/admin#reactions/2"
 398       assert data["object"] == activity.data["object"]
 399       assert data["content"] == "👌"
 400     end
 401
 402     test "it reject invalid emoji reactions" do
 403       user = insert(:user)
 404       {:ok, activity} = CommonAPI.post(user, %{"status" => "hello"})
 405
 406       data =
 407         File.read!("test/fixtures/emoji-reaction-too-long.json")
 408         |> Poison.decode!()
 409         |> Map.put("object", activity.data["object"])
 410
 411       assert :error = Transmogrifier.handle_incoming(data)
 412
 413       data =
 414         File.read!("test/fixtures/emoji-reaction-no-emoji.json")
 415         |> Poison.decode!()
 416         |> Map.put("object", activity.data["object"])
 417
 418       assert :error = Transmogrifier.handle_incoming(data)
 419     end
 420
 421     test "it works for incoming emoji reaction undos" do
 422       user = insert(:user)
 423
 424       {:ok, activity} = CommonAPI.post(user, %{"status" => "hello"})
 425       {:ok, reaction_activity, _object} = CommonAPI.react_with_emoji(activity.id, user, "👌")
 426
 427       data =
 428         File.read!("test/fixtures/mastodon-undo-like.json")
 429         |> Poison.decode!()
 430         |> Map.put("object", reaction_activity.data["id"])
 431         |> Map.put("actor", user.ap_id)
 432
 433       {:ok, activity} = Transmogrifier.handle_incoming(data)
 434
 435       assert activity.actor == user.ap_id
 436       assert activity.data["id"] == data["id"]
 437       assert activity.data["type"] == "Undo"
 438     end
 439
 440     test "it returns an error for incoming unlikes wihout a like activity" do
 441       user = insert(:user)
 442       {:ok, activity} = CommonAPI.post(user, %{"status" => "leave a like pls"})
 443
 444       data =
 445         File.read!("test/fixtures/mastodon-undo-like.json")
 446         |> Poison.decode!()
 447         |> Map.put("object", activity.data["object"])
 448
 449       assert Transmogrifier.handle_incoming(data) == :error
 450     end
 451
 452     test "it works for incoming unlikes with an existing like activity" do
 453       user = insert(:user)
 454       {:ok, activity} = CommonAPI.post(user, %{"status" => "leave a like pls"})
 455
 456       like_data =
 457         File.read!("test/fixtures/mastodon-like.json")
 458         |> Poison.decode!()
 459         |> Map.put("object", activity.data["object"])
 460
 461       {:ok, %Activity{data: like_data, local: false}} = Transmogrifier.handle_incoming(like_data)
 462
 463       data =
 464         File.read!("test/fixtures/mastodon-undo-like.json")
 465         |> Poison.decode!()
 466         |> Map.put("object", like_data)
 467         |> Map.put("actor", like_data["actor"])
 468
 469       {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
 470
 471       assert data["actor"] == "http://mastodon.example.org/users/admin"
 472       assert data["type"] == "Undo"
 473       assert data["id"] == "http://mastodon.example.org/users/admin#likes/2/undo"
 474       assert data["object"]["id"] == "http://mastodon.example.org/users/admin#likes/2"
 475     end
 476
 477     test "it works for incoming unlikes with an existing like activity and a compact object" do
 478       user = insert(:user)
 479       {:ok, activity} = CommonAPI.post(user, %{"status" => "leave a like pls"})
 480
 481       like_data =
 482         File.read!("test/fixtures/mastodon-like.json")
 483         |> Poison.decode!()
 484         |> Map.put("object", activity.data["object"])
 485
 486       {:ok, %Activity{data: like_data, local: false}} = Transmogrifier.handle_incoming(like_data)
 487
 488       data =
 489         File.read!("test/fixtures/mastodon-undo-like.json")
 490         |> Poison.decode!()
 491         |> Map.put("object", like_data["id"])
 492         |> Map.put("actor", like_data["actor"])
 493
 494       {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
 495
 496       assert data["actor"] == "http://mastodon.example.org/users/admin"
 497       assert data["type"] == "Undo"
 498       assert data["id"] == "http://mastodon.example.org/users/admin#likes/2/undo"
 499       assert data["object"]["id"] == "http://mastodon.example.org/users/admin#likes/2"
 500     end
 501
 502     test "it works for incoming announces" do
 503       data = File.read!("test/fixtures/mastodon-announce.json") |> Poison.decode!()
 504
 505       {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
 506
 507       assert data["actor"] == "http://mastodon.example.org/users/admin"
 508       assert data["type"] == "Announce"
 509
 510       assert data["id"] ==
 511                "http://mastodon.example.org/users/admin/statuses/99542391527669785/activity"
 512
 513       assert data["object"] ==
 514                "http://mastodon.example.org/users/admin/statuses/99541947525187367"
 515
 516       assert Activity.get_create_by_object_ap_id(data["object"])
 517     end
 518
 519     test "it works for incoming announces with an existing activity" do
 520       user = insert(:user)
 521       {:ok, activity} = CommonAPI.post(user, %{"status" => "hey"})
 522
 523       data =
 524         File.read!("test/fixtures/mastodon-announce.json")
 525         |> Poison.decode!()
 526         |> Map.put("object", activity.data["object"])
 527
 528       {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
 529
 530       assert data["actor"] == "http://mastodon.example.org/users/admin"
 531       assert data["type"] == "Announce"
 532
 533       assert data["id"] ==
 534                "http://mastodon.example.org/users/admin/statuses/99542391527669785/activity"
 535
 536       assert data["object"] == activity.data["object"]
 537
 538       assert Activity.get_create_by_object_ap_id(data["object"]).id == activity.id
 539     end
 540
 541     test "it works for incoming announces with an inlined activity" do
 542       data =
 543         File.read!("test/fixtures/mastodon-announce-private.json")
 544         |> Poison.decode!()
 545
 546       {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
 547
 548       assert data["actor"] == "http://mastodon.example.org/users/admin"
 549       assert data["type"] == "Announce"
 550
 551       assert data["id"] ==
 552                "http://mastodon.example.org/users/admin/statuses/99542391527669785/activity"
 553
 554       object = Object.normalize(data["object"])
 555
 556       assert object.data["id"] == "http://mastodon.example.org/@admin/99541947525187368"
 557       assert object.data["content"] == "this is a private toot"
 558     end
 559
 560     @tag capture_log: true
 561     test "it rejects incoming announces with an inlined activity from another origin" do
 562       data =
 563         File.read!("test/fixtures/bogus-mastodon-announce.json")
 564         |> Poison.decode!()
 565
 566       assert :error = Transmogrifier.handle_incoming(data)
 567     end
 568
 569     test "it does not clobber the addressing on announce activities" do
 570       user = insert(:user)
 571       {:ok, activity} = CommonAPI.post(user, %{"status" => "hey"})
 572
 573       data =
 574         File.read!("test/fixtures/mastodon-announce.json")
 575         |> Poison.decode!()
 576         |> Map.put("object", Object.normalize(activity).data["id"])
 577         |> Map.put("to", ["http://mastodon.example.org/users/admin/followers"])
 578         |> Map.put("cc", [])
 579
 580       {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
 581
 582       assert data["to"] == ["http://mastodon.example.org/users/admin/followers"]
 583     end
 584
 585     test "it ensures that as:Public activities make it to their followers collection" do
 586       user = insert(:user)
 587
 588       data =
 589         File.read!("test/fixtures/mastodon-post-activity.json")
 590         |> Poison.decode!()
 591         |> Map.put("actor", user.ap_id)
 592         |> Map.put("to", ["https://www.w3.org/ns/activitystreams#Public"])
 593         |> Map.put("cc", [])
 594
 595       object =
 596         data["object"]
 597         |> Map.put("attributedTo", user.ap_id)
 598         |> Map.put("to", ["https://www.w3.org/ns/activitystreams#Public"])
 599         |> Map.put("cc", [])
 600         |> Map.put("id", user.ap_id <> "/activities/12345678")
 601
 602       data = Map.put(data, "object", object)
 603
 604       {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
 605
 606       assert data["cc"] == [User.ap_followers(user)]
 607     end
 608
 609     test "it ensures that address fields become lists" do
 610       user = insert(:user)
 611
 612       data =
 613         File.read!("test/fixtures/mastodon-post-activity.json")
 614         |> Poison.decode!()
 615         |> Map.put("actor", user.ap_id)
 616         |> Map.put("to", nil)
 617         |> Map.put("cc", nil)
 618
 619       object =
 620         data["object"]
 621         |> Map.put("attributedTo", user.ap_id)
 622         |> Map.put("to", nil)
 623         |> Map.put("cc", nil)
 624         |> Map.put("id", user.ap_id <> "/activities/12345678")
 625
 626       data = Map.put(data, "object", object)
 627
 628       {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
 629
 630       assert !is_nil(data["to"])
 631       assert !is_nil(data["cc"])
 632     end
 633
 634     test "it strips internal likes" do
 635       data =
 636         File.read!("test/fixtures/mastodon-post-activity.json")
 637         |> Poison.decode!()
 638
 639       likes = %{
 640         "first" =>
 641           "http://mastodon.example.org/objects/dbdbc507-52c8-490d-9b7c-1e1d52e5c132/likes?page=1",
 642         "id" => "http://mastodon.example.org/objects/dbdbc507-52c8-490d-9b7c-1e1d52e5c132/likes",
 643         "totalItems" => 3,
 644         "type" => "OrderedCollection"
 645       }
 646
 647       object = Map.put(data["object"], "likes", likes)
 648       data = Map.put(data, "object", object)
 649
 650       {:ok, %Activity{object: object}} = Transmogrifier.handle_incoming(data)
 651
 652       refute Map.has_key?(object.data, "likes")
 653     end
 654
 655     test "it strips internal reactions" do
 656       user = insert(:user)
 657       {:ok, activity} = CommonAPI.post(user, %{"status" => "#cofe"})
 658       {:ok, _, _} = CommonAPI.react_with_emoji(activity.id, user, "📢")
 659
 660       %{object: object} = Activity.get_by_id_with_object(activity.id)
 661       assert Map.has_key?(object.data, "reactions")
 662       assert Map.has_key?(object.data, "reaction_count")
 663
 664       object_data = Transmogrifier.strip_internal_fields(object.data)
 665       refute Map.has_key?(object_data, "reactions")
 666       refute Map.has_key?(object_data, "reaction_count")
 667     end
 668
 669     test "it works for incoming update activities" do
 670       data = File.read!("test/fixtures/mastodon-post-activity.json") |> Poison.decode!()
 671
 672       {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
 673       update_data = File.read!("test/fixtures/mastodon-update.json") |> Poison.decode!()
 674
 675       object =
 676         update_data["object"]
 677         |> Map.put("actor", data["actor"])
 678         |> Map.put("id", data["actor"])
 679
 680       update_data =
 681         update_data
 682         |> Map.put("actor", data["actor"])
 683         |> Map.put("object", object)
 684
 685       {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(update_data)
 686
 687       assert data["id"] == update_data["id"]
 688
 689       user = User.get_cached_by_ap_id(data["actor"])
 690       assert user.name == "gargle"
 691
 692       assert user.avatar["url"] == [
 693                %{
 694                  "href" =>
 695                    "https://cd.niu.moe/accounts/avatars/000/033/323/original/fd7f8ae0b3ffedc9.jpeg"
 696                }
 697              ]
 698
 699       assert user.banner["url"] == [
 700                %{
 701                  "href" =>
 702                    "https://cd.niu.moe/accounts/headers/000/033/323/original/850b3448fa5fd477.png"
 703                }
 704              ]
 705
 706       assert user.bio == "<p>Some bio</p>"
 707     end
 708
 709     test "it works with alsoKnownAs" do
 710       {:ok, %Activity{data: %{"actor" => actor}}} =
 711         "test/fixtures/mastodon-post-activity.json"
 712         |> File.read!()
 713         |> Poison.decode!()
 714         |> Transmogrifier.handle_incoming()
 715
 716       assert User.get_cached_by_ap_id(actor).also_known_as == ["http://example.org/users/foo"]
 717
 718       {:ok, _activity} =
 719         "test/fixtures/mastodon-update.json"
 720         |> File.read!()
 721         |> Poison.decode!()
 722         |> Map.put("actor", actor)
 723         |> Map.update!("object", fn object ->
 724           object
 725           |> Map.put("actor", actor)
 726           |> Map.put("id", actor)
 727           |> Map.put("alsoKnownAs", [
 728             "http://mastodon.example.org/users/foo",
 729             "http://example.org/users/bar"
 730           ])
 731         end)
 732         |> Transmogrifier.handle_incoming()
 733
 734       assert User.get_cached_by_ap_id(actor).also_known_as == [
 735                "http://mastodon.example.org/users/foo",
 736                "http://example.org/users/bar"
 737              ]
 738     end
 739
 740     test "it works with custom profile fields" do
 741       {:ok, activity} =
 742         "test/fixtures/mastodon-post-activity.json"
 743         |> File.read!()
 744         |> Poison.decode!()
 745         |> Transmogrifier.handle_incoming()
 746
 747       user = User.get_cached_by_ap_id(activity.actor)
 748
 749       assert User.fields(user) == [
 750                %{"name" => "foo", "value" => "bar"},
 751                %{"name" => "foo1", "value" => "bar1"}
 752              ]
 753
 754       update_data = File.read!("test/fixtures/mastodon-update.json") |> Poison.decode!()
 755
 756       object =
 757         update_data["object"]
 758         |> Map.put("actor", user.ap_id)
 759         |> Map.put("id", user.ap_id)
 760
 761       update_data =
 762         update_data
 763         |> Map.put("actor", user.ap_id)
 764         |> Map.put("object", object)
 765
 766       {:ok, _update_activity} = Transmogrifier.handle_incoming(update_data)
 767
 768       user = User.get_cached_by_ap_id(user.ap_id)
 769
 770       assert User.fields(user) == [
 771                %{"name" => "foo", "value" => "updated"},
 772                %{"name" => "foo1", "value" => "updated"}
 773              ]
 774
 775       Pleroma.Config.put([:instance, :max_remote_account_fields], 2)
 776
 777       update_data =
 778         put_in(update_data, ["object", "attachment"], [
 779           %{"name" => "foo", "type" => "PropertyValue", "value" => "bar"},
 780           %{"name" => "foo11", "type" => "PropertyValue", "value" => "bar11"},
 781           %{"name" => "foo22", "type" => "PropertyValue", "value" => "bar22"}
 782         ])
 783
 784       {:ok, _} = Transmogrifier.handle_incoming(update_data)
 785
 786       user = User.get_cached_by_ap_id(user.ap_id)
 787
 788       assert User.fields(user) == [
 789                %{"name" => "foo", "value" => "updated"},
 790                %{"name" => "foo1", "value" => "updated"}
 791              ]
 792
 793       update_data = put_in(update_data, ["object", "attachment"], [])
 794
 795       {:ok, _} = Transmogrifier.handle_incoming(update_data)
 796
 797       user = User.get_cached_by_ap_id(user.ap_id)
 798
 799       assert User.fields(user) == []
 800     end
 801
 802     test "it works for incoming update activities which lock the account" do
 803       data = File.read!("test/fixtures/mastodon-post-activity.json") |> Poison.decode!()
 804
 805       {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
 806       update_data = File.read!("test/fixtures/mastodon-update.json") |> Poison.decode!()
 807
 808       object =
 809         update_data["object"]
 810         |> Map.put("actor", data["actor"])
 811         |> Map.put("id", data["actor"])
 812         |> Map.put("manuallyApprovesFollowers", true)
 813
 814       update_data =
 815         update_data
 816         |> Map.put("actor", data["actor"])
 817         |> Map.put("object", object)
 818
 819       {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(update_data)
 820
 821       user = User.get_cached_by_ap_id(data["actor"])
 822       assert user.locked == true
 823     end
 824
 825     test "it works for incoming deletes" do
 826       activity = insert(:note_activity)
 827       deleting_user = insert(:user)
 828
 829       data =
 830         File.read!("test/fixtures/mastodon-delete.json")
 831         |> Poison.decode!()
 832
 833       object =
 834         data["object"]
 835         |> Map.put("id", activity.data["object"])
 836
 837       data =
 838         data
 839         |> Map.put("object", object)
 840         |> Map.put("actor", deleting_user.ap_id)
 841
 842       {:ok, %Activity{actor: actor, local: false, data: %{"id" => id}}} =
 843         Transmogrifier.handle_incoming(data)
 844
 845       assert id == data["id"]
 846       refute Activity.get_by_id(activity.id)
 847       assert actor == deleting_user.ap_id
 848     end
 849
 850     test "it fails for incoming deletes with spoofed origin" do
 851       activity = insert(:note_activity)
 852
 853       data =
 854         File.read!("test/fixtures/mastodon-delete.json")
 855         |> Poison.decode!()
 856
 857       object =
 858         data["object"]
 859         |> Map.put("id", activity.data["object"])
 860
 861       data =
 862         data
 863         |> Map.put("object", object)
 864
 865       assert capture_log(fn ->
 866                :error = Transmogrifier.handle_incoming(data)
 867              end) =~
 868                "[error] Could not decode user at fetch http://mastodon.example.org/users/gargron, {:error, :nxdomain}"
 869
 870       assert Activity.get_by_id(activity.id)
 871     end
 872
 873     @tag capture_log: true
 874     test "it works for incoming user deletes" do
 875       %{ap_id: ap_id} = insert(:user, ap_id: "http://mastodon.example.org/users/admin")
 876
 877       data =
 878         File.read!("test/fixtures/mastodon-delete-user.json")
 879         |> Poison.decode!()
 880
 881       {:ok, _} = Transmogrifier.handle_incoming(data)
 882       ObanHelpers.perform_all()
 883
 884       refute User.get_cached_by_ap_id(ap_id)
 885     end
 886
 887     test "it fails for incoming user deletes with spoofed origin" do
 888       %{ap_id: ap_id} = insert(:user)
 889
 890       data =
 891         File.read!("test/fixtures/mastodon-delete-user.json")
 892         |> Poison.decode!()
 893         |> Map.put("actor", ap_id)
 894
 895       assert capture_log(fn ->
 896                assert :error == Transmogrifier.handle_incoming(data)
 897              end) =~ "Object containment failed"
 898
 899       assert User.get_cached_by_ap_id(ap_id)
 900     end
 901
 902     test "it works for incoming unannounces with an existing notice" do
 903       user = insert(:user)
 904       {:ok, activity} = CommonAPI.post(user, %{"status" => "hey"})
 905
 906       announce_data =
 907         File.read!("test/fixtures/mastodon-announce.json")
 908         |> Poison.decode!()
 909         |> Map.put("object", activity.data["object"])
 910
 911       {:ok, %Activity{data: announce_data, local: false}} =
 912         Transmogrifier.handle_incoming(announce_data)
 913
 914       data =
 915         File.read!("test/fixtures/mastodon-undo-announce.json")
 916         |> Poison.decode!()
 917         |> Map.put("object", announce_data)
 918         |> Map.put("actor", announce_data["actor"])
 919
 920       {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
 921
 922       assert data["type"] == "Undo"
 923       assert object_data = data["object"]
 924       assert object_data["type"] == "Announce"
 925       assert object_data["object"] == activity.data["object"]
 926
 927       assert object_data["id"] ==
 928                "http://mastodon.example.org/users/admin/statuses/99542391527669785/activity"
 929     end
 930
 931     test "it works for incomming unfollows with an existing follow" do
 932       user = insert(:user)
 933
 934       follow_data =
 935         File.read!("test/fixtures/mastodon-follow-activity.json")
 936         |> Poison.decode!()
 937         |> Map.put("object", user.ap_id)
 938
 939       {:ok, %Activity{data: _, local: false}} = Transmogrifier.handle_incoming(follow_data)
 940
 941       data =
 942         File.read!("test/fixtures/mastodon-unfollow-activity.json")
 943         |> Poison.decode!()
 944         |> Map.put("object", follow_data)
 945
 946       {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
 947
 948       assert data["type"] == "Undo"
 949       assert data["object"]["type"] == "Follow"
 950       assert data["object"]["object"] == user.ap_id
 951       assert data["actor"] == "http://mastodon.example.org/users/admin"
 952
 953       refute User.following?(User.get_cached_by_ap_id(data["actor"]), user)
 954     end
 955
 956     test "it works for incoming follows to locked account" do
 957       pending_follower = insert(:user, ap_id: "http://mastodon.example.org/users/admin")
 958       user = insert(:user, locked: true)
 959
 960       data =
 961         File.read!("test/fixtures/mastodon-follow-activity.json")
 962         |> Poison.decode!()
 963         |> Map.put("object", user.ap_id)
 964
 965       {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
 966
 967       assert data["type"] == "Follow"
 968       assert data["object"] == user.ap_id
 969       assert data["state"] == "pending"
 970       assert data["actor"] == "http://mastodon.example.org/users/admin"
 971
 972       assert [^pending_follower] = User.get_follow_requests(user)
 973     end
 974
 975     test "it works for incoming blocks" do
 976       user = insert(:user)
 977
 978       data =
 979         File.read!("test/fixtures/mastodon-block-activity.json")
 980         |> Poison.decode!()
 981         |> Map.put("object", user.ap_id)
 982
 983       {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
 984
 985       assert data["type"] == "Block"
 986       assert data["object"] == user.ap_id
 987       assert data["actor"] == "http://mastodon.example.org/users/admin"
 988
 989       blocker = User.get_cached_by_ap_id(data["actor"])
 990
 991       assert User.blocks?(blocker, user)
 992     end
 993
 994     test "incoming blocks successfully tear down any follow relationship" do
 995       blocker = insert(:user)
 996       blocked = insert(:user)
 997
 998       data =
 999         File.read!("test/fixtures/mastodon-block-activity.json")
1000         |> Poison.decode!()
1001         |> Map.put("object", blocked.ap_id)
1002         |> Map.put("actor", blocker.ap_id)
1003
1004       {:ok, blocker} = User.follow(blocker, blocked)
1005       {:ok, blocked} = User.follow(blocked, blocker)
1006
1007       assert User.following?(blocker, blocked)
1008       assert User.following?(blocked, blocker)
1009
1010       {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
1011
1012       assert data["type"] == "Block"
1013       assert data["object"] == blocked.ap_id
1014       assert data["actor"] == blocker.ap_id
1015
1016       blocker = User.get_cached_by_ap_id(data["actor"])
1017       blocked = User.get_cached_by_ap_id(data["object"])
1018
1019       assert User.blocks?(blocker, blocked)
1020
1021       refute User.following?(blocker, blocked)
1022       refute User.following?(blocked, blocker)
1023     end
1024
1025     test "it works for incoming unblocks with an existing block" do
1026       user = insert(:user)
1027
1028       block_data =
1029         File.read!("test/fixtures/mastodon-block-activity.json")
1030         |> Poison.decode!()
1031         |> Map.put("object", user.ap_id)
1032
1033       {:ok, %Activity{data: _, local: false}} = Transmogrifier.handle_incoming(block_data)
1034
1035       data =
1036         File.read!("test/fixtures/mastodon-unblock-activity.json")
1037         |> Poison.decode!()
1038         |> Map.put("object", block_data)
1039
1040       {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
1041       assert data["type"] == "Undo"
1042       assert data["object"]["type"] == "Block"
1043       assert data["object"]["object"] == user.ap_id
1044       assert data["actor"] == "http://mastodon.example.org/users/admin"
1045
1046       blocker = User.get_cached_by_ap_id(data["actor"])
1047
1048       refute User.blocks?(blocker, user)
1049     end
1050
1051     test "it works for incoming accepts which were pre-accepted" do
1052       follower = insert(:user)
1053       followed = insert(:user)
1054
1055       {:ok, follower} = User.follow(follower, followed)
1056       assert User.following?(follower, followed) == true
1057
1058       {:ok, follow_activity} = ActivityPub.follow(follower, followed)
1059
1060       accept_data =
1061         File.read!("test/fixtures/mastodon-accept-activity.json")
1062         |> Poison.decode!()
1063         |> Map.put("actor", followed.ap_id)
1064
1065       object =
1066         accept_data["object"]
1067         |> Map.put("actor", follower.ap_id)
1068         |> Map.put("id", follow_activity.data["id"])
1069
1070       accept_data = Map.put(accept_data, "object", object)
1071
1072       {:ok, activity} = Transmogrifier.handle_incoming(accept_data)
1073       refute activity.local
1074
1075       assert activity.data["object"] == follow_activity.data["id"]
1076
1077       assert activity.data["id"] == accept_data["id"]
1078
1079       follower = User.get_cached_by_id(follower.id)
1080
1081       assert User.following?(follower, followed) == true
1082     end
1083
1084     test "it works for incoming accepts which were orphaned" do
1085       follower = insert(:user)
1086       followed = insert(:user, locked: true)
1087
1088       {:ok, follow_activity} = ActivityPub.follow(follower, followed)
1089
1090       accept_data =
1091         File.read!("test/fixtures/mastodon-accept-activity.json")
1092         |> Poison.decode!()
1093         |> Map.put("actor", followed.ap_id)
1094
1095       accept_data =
1096         Map.put(accept_data, "object", Map.put(accept_data["object"], "actor", follower.ap_id))
1097
1098       {:ok, activity} = Transmogrifier.handle_incoming(accept_data)
1099       assert activity.data["object"] == follow_activity.data["id"]
1100
1101       follower = User.get_cached_by_id(follower.id)
1102
1103       assert User.following?(follower, followed) == true
1104     end
1105
1106     test "it works for incoming accepts which are referenced by IRI only" do
1107       follower = insert(:user)
1108       followed = insert(:user, locked: true)
1109
1110       {:ok, follow_activity} = ActivityPub.follow(follower, followed)
1111
1112       accept_data =
1113         File.read!("test/fixtures/mastodon-accept-activity.json")
1114         |> Poison.decode!()
1115         |> Map.put("actor", followed.ap_id)
1116         |> Map.put("object", follow_activity.data["id"])
1117
1118       {:ok, activity} = Transmogrifier.handle_incoming(accept_data)
1119       assert activity.data["object"] == follow_activity.data["id"]
1120
1121       follower = User.get_cached_by_id(follower.id)
1122
1123       assert User.following?(follower, followed) == true
1124     end
1125
1126     test "it fails for incoming accepts which cannot be correlated" do
1127       follower = insert(:user)
1128       followed = insert(:user, locked: true)
1129
1130       accept_data =
1131         File.read!("test/fixtures/mastodon-accept-activity.json")
1132         |> Poison.decode!()
1133         |> Map.put("actor", followed.ap_id)
1134
1135       accept_data =
1136         Map.put(accept_data, "object", Map.put(accept_data["object"], "actor", follower.ap_id))
1137
1138       :error = Transmogrifier.handle_incoming(accept_data)
1139
1140       follower = User.get_cached_by_id(follower.id)
1141
1142       refute User.following?(follower, followed) == true
1143     end
1144
1145     test "it fails for incoming rejects which cannot be correlated" do
1146       follower = insert(:user)
1147       followed = insert(:user, locked: true)
1148
1149       accept_data =
1150         File.read!("test/fixtures/mastodon-reject-activity.json")
1151         |> Poison.decode!()
1152         |> Map.put("actor", followed.ap_id)
1153
1154       accept_data =
1155         Map.put(accept_data, "object", Map.put(accept_data["object"], "actor", follower.ap_id))
1156
1157       :error = Transmogrifier.handle_incoming(accept_data)
1158
1159       follower = User.get_cached_by_id(follower.id)
1160
1161       refute User.following?(follower, followed) == true
1162     end
1163
1164     test "it works for incoming rejects which are orphaned" do
1165       follower = insert(:user)
1166       followed = insert(:user, locked: true)
1167
1168       {:ok, follower} = User.follow(follower, followed)
1169       {:ok, _follow_activity} = ActivityPub.follow(follower, followed)
1170
1171       assert User.following?(follower, followed) == true
1172
1173       reject_data =
1174         File.read!("test/fixtures/mastodon-reject-activity.json")
1175         |> Poison.decode!()
1176         |> Map.put("actor", followed.ap_id)
1177
1178       reject_data =
1179         Map.put(reject_data, "object", Map.put(reject_data["object"], "actor", follower.ap_id))
1180
1181       {:ok, activity} = Transmogrifier.handle_incoming(reject_data)
1182       refute activity.local
1183       assert activity.data["id"] == reject_data["id"]
1184
1185       follower = User.get_cached_by_id(follower.id)
1186
1187       assert User.following?(follower, followed) == false
1188     end
1189
1190     test "it works for incoming rejects which are referenced by IRI only" do
1191       follower = insert(:user)
1192       followed = insert(:user, locked: true)
1193
1194       {:ok, follower} = User.follow(follower, followed)
1195       {:ok, follow_activity} = ActivityPub.follow(follower, followed)
1196
1197       assert User.following?(follower, followed) == true
1198
1199       reject_data =
1200         File.read!("test/fixtures/mastodon-reject-activity.json")
1201         |> Poison.decode!()
1202         |> Map.put("actor", followed.ap_id)
1203         |> Map.put("object", follow_activity.data["id"])
1204
1205       {:ok, %Activity{data: _}} = Transmogrifier.handle_incoming(reject_data)
1206
1207       follower = User.get_cached_by_id(follower.id)
1208
1209       assert User.following?(follower, followed) == false
1210     end
1211
1212     test "it rejects activities without a valid ID" do
1213       user = insert(:user)
1214
1215       data =
1216         File.read!("test/fixtures/mastodon-follow-activity.json")
1217         |> Poison.decode!()
1218         |> Map.put("object", user.ap_id)
1219         |> Map.put("id", "")
1220
1221       :error = Transmogrifier.handle_incoming(data)
1222     end
1223
1224     test "it remaps video URLs as attachments if necessary" do
1225       {:ok, object} =
1226         Fetcher.fetch_object_from_id(
1227           "https://peertube.moe/videos/watch/df5f464b-be8d-46fb-ad81-2d4c2d1630e3"
1228         )
1229
1230       attachment = %{
1231         "type" => "Link",
1232         "mediaType" => "video/mp4",
1233         "href" =>
1234           "https://peertube.moe/static/webseed/df5f464b-be8d-46fb-ad81-2d4c2d1630e3-480.mp4",
1235         "mimeType" => "video/mp4",
1236         "size" => 5_015_880,
1237         "url" => [
1238           %{
1239             "href" =>
1240               "https://peertube.moe/static/webseed/df5f464b-be8d-46fb-ad81-2d4c2d1630e3-480.mp4",
1241             "mediaType" => "video/mp4",
1242             "type" => "Link"
1243           }
1244         ],
1245         "width" => 480
1246       }
1247
1248       assert object.data["url"] ==
1249                "https://peertube.moe/videos/watch/df5f464b-be8d-46fb-ad81-2d4c2d1630e3"
1250
1251       assert object.data["attachment"] == [attachment]
1252     end
1253
1254     test "it accepts Flag activities" do
1255       user = insert(:user)
1256       other_user = insert(:user)
1257
1258       {:ok, activity} = CommonAPI.post(user, %{"status" => "test post"})
1259       object = Object.normalize(activity)
1260
1261       note_obj = %{
1262         "type" => "Note",
1263         "id" => activity.data["id"],
1264         "content" => "test post",
1265         "published" => object.data["published"],
1266         "actor" => AccountView.render("show.json", %{user: user})
1267       }
1268
1269       message = %{
1270         "@context" => "https://www.w3.org/ns/activitystreams",
1271         "cc" => [user.ap_id],
1272         "object" => [user.ap_id, activity.data["id"]],
1273         "type" => "Flag",
1274         "content" => "blocked AND reported!!!",
1275         "actor" => other_user.ap_id
1276       }
1277
1278       assert {:ok, activity} = Transmogrifier.handle_incoming(message)
1279
1280       assert activity.data["object"] == [user.ap_id, note_obj]
1281       assert activity.data["content"] == "blocked AND reported!!!"
1282       assert activity.data["actor"] == other_user.ap_id
1283       assert activity.data["cc"] == [user.ap_id]
1284     end
1285
1286     test "it correctly processes messages with non-array to field" do
1287       user = insert(:user)
1288
1289       message = %{
1290         "@context" => "https://www.w3.org/ns/activitystreams",
1291         "to" => "https://www.w3.org/ns/activitystreams#Public",
1292         "type" => "Create",
1293         "object" => %{
1294           "content" => "blah blah blah",
1295           "type" => "Note",
1296           "attributedTo" => user.ap_id,
1297           "inReplyTo" => nil
1298         },
1299         "actor" => user.ap_id
1300       }
1301
1302       assert {:ok, activity} = Transmogrifier.handle_incoming(message)
1303
1304       assert ["https://www.w3.org/ns/activitystreams#Public"] == activity.data["to"]
1305     end
1306
1307     test "it correctly processes messages with non-array cc field" do
1308       user = insert(:user)
1309
1310       message = %{
1311         "@context" => "https://www.w3.org/ns/activitystreams",
1312         "to" => user.follower_address,
1313         "cc" => "https://www.w3.org/ns/activitystreams#Public",
1314         "type" => "Create",
1315         "object" => %{
1316           "content" => "blah blah blah",
1317           "type" => "Note",
1318           "attributedTo" => user.ap_id,
1319           "inReplyTo" => nil
1320         },
1321         "actor" => user.ap_id
1322       }
1323
1324       assert {:ok, activity} = Transmogrifier.handle_incoming(message)
1325
1326       assert ["https://www.w3.org/ns/activitystreams#Public"] == activity.data["cc"]
1327       assert [user.follower_address] == activity.data["to"]
1328     end
1329
1330     test "it accepts Move activities" do
1331       old_user = insert(:user)
1332       new_user = insert(:user)
1333
1334       message = %{
1335         "@context" => "https://www.w3.org/ns/activitystreams",
1336         "type" => "Move",
1337         "actor" => old_user.ap_id,
1338         "object" => old_user.ap_id,
1339         "target" => new_user.ap_id
1340       }
1341
1342       assert :error = Transmogrifier.handle_incoming(message)
1343
1344       {:ok, _new_user} = User.update_and_set_cache(new_user, %{also_known_as: [old_user.ap_id]})
1345
1346       assert {:ok, %Activity{} = activity} = Transmogrifier.handle_incoming(message)
1347       assert activity.actor == old_user.ap_id
1348       assert activity.data["actor"] == old_user.ap_id
1349       assert activity.data["object"] == old_user.ap_id
1350       assert activity.data["target"] == new_user.ap_id
1351       assert activity.data["type"] == "Move"
1352     end
1353   end
1354
1355   describe "`handle_incoming/2`, Mastodon format `replies` handling" do
1356     setup do: clear_config([:activitypub, :note_replies_output_limit], 5)
1357     setup do: clear_config([:instance, :federation_incoming_replies_max_depth])
1358
1359     setup do
1360       data =
1361         "test/fixtures/mastodon-post-activity.json"
1362         |> File.read!()
1363         |> Poison.decode!()
1364
1365       items = get_in(data, ["object", "replies", "first", "items"])
1366       assert length(items) > 0
1367
1368       %{data: data, items: items}
1369     end
1370
1371     test "schedules background fetching of `replies` items if max thread depth limit allows", %{
1372       data: data,
1373       items: items
1374     } do
1375       Pleroma.Config.put([:instance, :federation_incoming_replies_max_depth], 10)
1376
1377       {:ok, _activity} = Transmogrifier.handle_incoming(data)
1378
1379       for id <- items do
1380         job_args = %{"op" => "fetch_remote", "id" => id, "depth" => 1}
1381         assert_enqueued(worker: Pleroma.Workers.RemoteFetcherWorker, args: job_args)
1382       end
1383     end
1384
1385     test "does NOT schedule background fetching of `replies` beyond max thread depth limit allows",
1386          %{data: data} do
1387       Pleroma.Config.put([:instance, :federation_incoming_replies_max_depth], 0)
1388
1389       {:ok, _activity} = Transmogrifier.handle_incoming(data)
1390
1391       assert all_enqueued(worker: Pleroma.Workers.RemoteFetcherWorker) == []
1392     end
1393   end
1394
1395   describe "`handle_incoming/2`, Pleroma format `replies` handling" do
1396     setup do: clear_config([:activitypub, :note_replies_output_limit], 5)
1397     setup do: clear_config([:instance, :federation_incoming_replies_max_depth])
1398
1399     setup do
1400       user = insert(:user)
1401
1402       {:ok, activity} = CommonAPI.post(user, %{"status" => "post1"})
1403
1404       {:ok, reply1} =
1405         CommonAPI.post(user, %{"status" => "reply1", "in_reply_to_status_id" => activity.id})
1406
1407       {:ok, reply2} =
1408         CommonAPI.post(user, %{"status" => "reply2", "in_reply_to_status_id" => activity.id})
1409
1410       replies_uris = Enum.map([reply1, reply2], fn a -> a.object.data["id"] end)
1411
1412       {:ok, federation_output} = Transmogrifier.prepare_outgoing(activity.data)
1413
1414       Repo.delete(activity.object)
1415       Repo.delete(activity)
1416
1417       %{federation_output: federation_output, replies_uris: replies_uris}
1418     end
1419
1420     test "schedules background fetching of `replies` items if max thread depth limit allows", %{
1421       federation_output: federation_output,
1422       replies_uris: replies_uris
1423     } do
1424       Pleroma.Config.put([:instance, :federation_incoming_replies_max_depth], 1)
1425
1426       {:ok, _activity} = Transmogrifier.handle_incoming(federation_output)
1427
1428       for id <- replies_uris do
1429         job_args = %{"op" => "fetch_remote", "id" => id, "depth" => 1}
1430         assert_enqueued(worker: Pleroma.Workers.RemoteFetcherWorker, args: job_args)
1431       end
1432     end
1433
1434     test "does NOT schedule background fetching of `replies` beyond max thread depth limit allows",
1435          %{federation_output: federation_output} do
1436       Pleroma.Config.put([:instance, :federation_incoming_replies_max_depth], 0)
1437
1438       {:ok, _activity} = Transmogrifier.handle_incoming(federation_output)
1439
1440       assert all_enqueued(worker: Pleroma.Workers.RemoteFetcherWorker) == []
1441     end
1442   end
1443
1444   describe "prepare outgoing" do
1445     test "it inlines private announced objects" do
1446       user = insert(:user)
1447
1448       {:ok, activity} = CommonAPI.post(user, %{"status" => "hey", "visibility" => "private"})
1449
1450       {:ok, announce_activity, _} = CommonAPI.repeat(activity.id, user)
1451
1452       {:ok, modified} = Transmogrifier.prepare_outgoing(announce_activity.data)
1453
1454       assert modified["object"]["content"] == "hey"
1455       assert modified["object"]["actor"] == modified["object"]["attributedTo"]
1456     end
1457
1458     test "it turns mentions into tags" do
1459       user = insert(:user)
1460       other_user = insert(:user)
1461
1462       {:ok, activity} =
1463         CommonAPI.post(user, %{"status" => "hey, @#{other_user.nickname}, how are ya? #2hu"})
1464
1465       {:ok, modified} = Transmogrifier.prepare_outgoing(activity.data)
1466       object = modified["object"]
1467
1468       expected_mention = %{
1469         "href" => other_user.ap_id,
1470         "name" => "@#{other_user.nickname}",
1471         "type" => "Mention"
1472       }
1473
1474       expected_tag = %{
1475         "href" => Pleroma.Web.Endpoint.url() <> "/tags/2hu",
1476         "type" => "Hashtag",
1477         "name" => "#2hu"
1478       }
1479
1480       assert Enum.member?(object["tag"], expected_tag)
1481       assert Enum.member?(object["tag"], expected_mention)
1482     end
1483
1484     test "it adds the sensitive property" do
1485       user = insert(:user)
1486
1487       {:ok, activity} = CommonAPI.post(user, %{"status" => "#nsfw hey"})
1488       {:ok, modified} = Transmogrifier.prepare_outgoing(activity.data)
1489
1490       assert modified["object"]["sensitive"]
1491     end
1492
1493     test "it adds the json-ld context and the conversation property" do
1494       user = insert(:user)
1495
1496       {:ok, activity} = CommonAPI.post(user, %{"status" => "hey"})
1497       {:ok, modified} = Transmogrifier.prepare_outgoing(activity.data)
1498
1499       assert modified["@context"] ==
1500                Pleroma.Web.ActivityPub.Utils.make_json_ld_header()["@context"]
1501
1502       assert modified["object"]["conversation"] == modified["context"]
1503     end
1504
1505     test "it sets the 'attributedTo' property to the actor of the object if it doesn't have one" do
1506       user = insert(:user)
1507
1508       {:ok, activity} = CommonAPI.post(user, %{"status" => "hey"})
1509       {:ok, modified} = Transmogrifier.prepare_outgoing(activity.data)
1510
1511       assert modified["object"]["actor"] == modified["object"]["attributedTo"]
1512     end
1513
1514     test "it strips internal hashtag data" do
1515       user = insert(:user)
1516
1517       {:ok, activity} = CommonAPI.post(user, %{"status" => "#2hu"})
1518
1519       expected_tag = %{
1520         "href" => Pleroma.Web.Endpoint.url() <> "/tags/2hu",
1521         "type" => "Hashtag",
1522         "name" => "#2hu"
1523       }
1524
1525       {:ok, modified} = Transmogrifier.prepare_outgoing(activity.data)
1526
1527       assert modified["object"]["tag"] == [expected_tag]
1528     end
1529
1530     test "it strips internal fields" do
1531       user = insert(:user)
1532
1533       {:ok, activity} = CommonAPI.post(user, %{"status" => "#2hu :firefox:"})
1534
1535       {:ok, modified} = Transmogrifier.prepare_outgoing(activity.data)
1536
1537       assert length(modified["object"]["tag"]) == 2
1538
1539       assert is_nil(modified["object"]["emoji"])
1540       assert is_nil(modified["object"]["like_count"])
1541       assert is_nil(modified["object"]["announcements"])
1542       assert is_nil(modified["object"]["announcement_count"])
1543       assert is_nil(modified["object"]["context_id"])
1544     end
1545
1546     test "it strips internal fields of article" do
1547       activity = insert(:article_activity)
1548
1549       {:ok, modified} = Transmogrifier.prepare_outgoing(activity.data)
1550
1551       assert length(modified["object"]["tag"]) == 2
1552
1553       assert is_nil(modified["object"]["emoji"])
1554       assert is_nil(modified["object"]["like_count"])
1555       assert is_nil(modified["object"]["announcements"])
1556       assert is_nil(modified["object"]["announcement_count"])
1557       assert is_nil(modified["object"]["context_id"])
1558       assert is_nil(modified["object"]["likes"])
1559     end
1560
1561     test "the directMessage flag is present" do
1562       user = insert(:user)
1563       other_user = insert(:user)
1564
1565       {:ok, activity} = CommonAPI.post(user, %{"status" => "2hu :moominmamma:"})
1566
1567       {:ok, modified} = Transmogrifier.prepare_outgoing(activity.data)
1568
1569       assert modified["directMessage"] == false
1570
1571       {:ok, activity} =
1572         CommonAPI.post(user, %{"status" => "@#{other_user.nickname} :moominmamma:"})
1573
1574       {:ok, modified} = Transmogrifier.prepare_outgoing(activity.data)
1575
1576       assert modified["directMessage"] == false
1577
1578       {:ok, activity} =
1579         CommonAPI.post(user, %{
1580           "status" => "@#{other_user.nickname} :moominmamma:",
1581           "visibility" => "direct"
1582         })
1583
1584       {:ok, modified} = Transmogrifier.prepare_outgoing(activity.data)
1585
1586       assert modified["directMessage"] == true
1587     end
1588
1589     test "it strips BCC field" do
1590       user = insert(:user)
1591       {:ok, list} = Pleroma.List.create("foo", user)
1592
1593       {:ok, activity} =
1594         CommonAPI.post(user, %{"status" => "foobar", "visibility" => "list:#{list.id}"})
1595
1596       {:ok, modified} = Transmogrifier.prepare_outgoing(activity.data)
1597
1598       assert is_nil(modified["bcc"])
1599     end
1600
1601     test "it can handle Listen activities" do
1602       listen_activity = insert(:listen)
1603
1604       {:ok, modified} = Transmogrifier.prepare_outgoing(listen_activity.data)
1605
1606       assert modified["type"] == "Listen"
1607
1608       user = insert(:user)
1609
1610       {:ok, activity} = CommonAPI.listen(user, %{"title" => "lain radio episode 1"})
1611
1612       {:ok, _modified} = Transmogrifier.prepare_outgoing(activity.data)
1613     end
1614   end
1615
1616   describe "user upgrade" do
1617     test "it upgrades a user to activitypub" do
1618       user =
1619         insert(:user, %{
1620           nickname: "rye@niu.moe",
1621           local: false,
1622           ap_id: "https://niu.moe/users/rye",
1623           follower_address: User.ap_followers(%User{nickname: "rye@niu.moe"})
1624         })
1625
1626       user_two = insert(:user)
1627       Pleroma.FollowingRelationship.follow(user_two, user, "accept")
1628
1629       {:ok, activity} = CommonAPI.post(user, %{"status" => "test"})
1630       {:ok, unrelated_activity} = CommonAPI.post(user_two, %{"status" => "test"})
1631       assert "http://localhost:4001/users/rye@niu.moe/followers" in activity.recipients
1632
1633       user = User.get_cached_by_id(user.id)
1634       assert user.note_count == 1
1635
1636       {:ok, user} = Transmogrifier.upgrade_user_from_ap_id("https://niu.moe/users/rye")
1637       ObanHelpers.perform_all()
1638
1639       assert user.ap_enabled
1640       assert user.note_count == 1
1641       assert user.follower_address == "https://niu.moe/users/rye/followers"
1642       assert user.following_address == "https://niu.moe/users/rye/following"
1643
1644       user = User.get_cached_by_id(user.id)
1645       assert user.note_count == 1
1646
1647       activity = Activity.get_by_id(activity.id)
1648       assert user.follower_address in activity.recipients
1649
1650       assert %{
1651                "url" => [
1652                  %{
1653                    "href" =>
1654                      "https://cdn.niu.moe/accounts/avatars/000/033/323/original/fd7f8ae0b3ffedc9.jpeg"
1655                  }
1656                ]
1657              } = user.avatar
1658
1659       assert %{
1660                "url" => [
1661                  %{
1662                    "href" =>
1663                      "https://cdn.niu.moe/accounts/headers/000/033/323/original/850b3448fa5fd477.png"
1664                  }
1665                ]
1666              } = user.banner
1667
1668       refute "..." in activity.recipients
1669
1670       unrelated_activity = Activity.get_by_id(unrelated_activity.id)
1671       refute user.follower_address in unrelated_activity.recipients
1672
1673       user_two = User.get_cached_by_id(user_two.id)
1674       assert User.following?(user_two, user)
1675       refute "..." in User.following(user_two)
1676     end
1677   end
1678
1679   describe "actor rewriting" do
1680     test "it fixes the actor URL property to be a proper URI" do
1681       data = %{
1682         "url" => %{"href" => "http://example.com"}
1683       }
1684
1685       rewritten = Transmogrifier.maybe_fix_user_object(data)
1686       assert rewritten["url"] == "http://example.com"
1687     end
1688   end
1689
1690   describe "actor origin containment" do
1691     test "it rejects activities which reference objects with bogus origins" do
1692       data = %{
1693         "@context" => "https://www.w3.org/ns/activitystreams",
1694         "id" => "http://mastodon.example.org/users/admin/activities/1234",
1695         "actor" => "http://mastodon.example.org/users/admin",
1696         "to" => ["https://www.w3.org/ns/activitystreams#Public"],
1697         "object" => "https://info.pleroma.site/activity.json",
1698         "type" => "Announce"
1699       }
1700
1701       assert capture_log(fn ->
1702                :error = Transmogrifier.handle_incoming(data)
1703              end) =~ "Object containment failed"
1704     end
1705
1706     test "it rejects activities which reference objects that have an incorrect attribution (variant 1)" do
1707       data = %{
1708         "@context" => "https://www.w3.org/ns/activitystreams",
1709         "id" => "http://mastodon.example.org/users/admin/activities/1234",
1710         "actor" => "http://mastodon.example.org/users/admin",
1711         "to" => ["https://www.w3.org/ns/activitystreams#Public"],
1712         "object" => "https://info.pleroma.site/activity2.json",
1713         "type" => "Announce"
1714       }
1715
1716       assert capture_log(fn ->
1717                :error = Transmogrifier.handle_incoming(data)
1718              end) =~ "Object containment failed"
1719     end
1720
1721     test "it rejects activities which reference objects that have an incorrect attribution (variant 2)" do
1722       data = %{
1723         "@context" => "https://www.w3.org/ns/activitystreams",
1724         "id" => "http://mastodon.example.org/users/admin/activities/1234",
1725         "actor" => "http://mastodon.example.org/users/admin",
1726         "to" => ["https://www.w3.org/ns/activitystreams#Public"],
1727         "object" => "https://info.pleroma.site/activity3.json",
1728         "type" => "Announce"
1729       }
1730
1731       assert capture_log(fn ->
1732                :error = Transmogrifier.handle_incoming(data)
1733              end) =~ "Object containment failed"
1734     end
1735   end
1736
1737   describe "reserialization" do
1738     test "successfully reserializes a message with inReplyTo == nil" do
1739       user = insert(:user)
1740
1741       message = %{
1742         "@context" => "https://www.w3.org/ns/activitystreams",
1743         "to" => ["https://www.w3.org/ns/activitystreams#Public"],
1744         "cc" => [],
1745         "type" => "Create",
1746         "object" => %{
1747           "to" => ["https://www.w3.org/ns/activitystreams#Public"],
1748           "cc" => [],
1749           "type" => "Note",
1750           "content" => "Hi",
1751           "inReplyTo" => nil,
1752           "attributedTo" => user.ap_id
1753         },
1754         "actor" => user.ap_id
1755       }
1756
1757       {:ok, activity} = Transmogrifier.handle_incoming(message)
1758
1759       {:ok, _} = Transmogrifier.prepare_outgoing(activity.data)
1760     end
1761
1762     test "successfully reserializes a message with AS2 objects in IR" do
1763       user = insert(:user)
1764
1765       message = %{
1766         "@context" => "https://www.w3.org/ns/activitystreams",
1767         "to" => ["https://www.w3.org/ns/activitystreams#Public"],
1768         "cc" => [],
1769         "type" => "Create",
1770         "object" => %{
1771           "to" => ["https://www.w3.org/ns/activitystreams#Public"],
1772           "cc" => [],
1773           "type" => "Note",
1774           "content" => "Hi",
1775           "inReplyTo" => nil,
1776           "attributedTo" => user.ap_id,
1777           "tag" => [
1778             %{"name" => "#2hu", "href" => "http://example.com/2hu", "type" => "Hashtag"},
1779             %{"name" => "Bob", "href" => "http://example.com/bob", "type" => "Mention"}
1780           ]
1781         },
1782         "actor" => user.ap_id
1783       }
1784
1785       {:ok, activity} = Transmogrifier.handle_incoming(message)
1786
1787       {:ok, _} = Transmogrifier.prepare_outgoing(activity.data)
1788     end
1789   end
1790
1791   test "Rewrites Answers to Notes" do
1792     user = insert(:user)
1793
1794     {:ok, poll_activity} =
1795       CommonAPI.post(user, %{
1796         "status" => "suya...",
1797         "poll" => %{"options" => ["suya", "suya.", "suya.."], "expires_in" => 10}
1798       })
1799
1800     poll_object = Object.normalize(poll_activity)
1801     # TODO: Replace with CommonAPI vote creation when implemented
1802     data =
1803       File.read!("test/fixtures/mastodon-vote.json")
1804       |> Poison.decode!()
1805       |> Kernel.put_in(["to"], user.ap_id)
1806       |> Kernel.put_in(["object", "inReplyTo"], poll_object.data["id"])
1807       |> Kernel.put_in(["object", "to"], user.ap_id)
1808
1809     {:ok, %Activity{local: false} = activity} = Transmogrifier.handle_incoming(data)
1810     {:ok, data} = Transmogrifier.prepare_outgoing(activity.data)
1811
1812     assert data["object"]["type"] == "Note"
1813   end
1814
1815   describe "fix_explicit_addressing" do
1816     setup do
1817       user = insert(:user)
1818       [user: user]
1819     end
1820
1821     test "moves non-explicitly mentioned actors to cc", %{user: user} do
1822       explicitly_mentioned_actors = [
1823         "https://pleroma.gold/users/user1",
1824         "https://pleroma.gold/user2"
1825       ]
1826
1827       object = %{
1828         "actor" => user.ap_id,
1829         "to" => explicitly_mentioned_actors ++ ["https://social.beepboop.ga/users/dirb"],
1830         "cc" => [],
1831         "tag" =>
1832           Enum.map(explicitly_mentioned_actors, fn href ->
1833             %{"type" => "Mention", "href" => href}
1834           end)
1835       }
1836
1837       fixed_object = Transmogrifier.fix_explicit_addressing(object)
1838       assert Enum.all?(explicitly_mentioned_actors, &(&1 in fixed_object["to"]))
1839       refute "https://social.beepboop.ga/users/dirb" in fixed_object["to"]
1840       assert "https://social.beepboop.ga/users/dirb" in fixed_object["cc"]
1841     end
1842
1843     test "does not move actor's follower collection to cc", %{user: user} do
1844       object = %{
1845         "actor" => user.ap_id,
1846         "to" => [user.follower_address],
1847         "cc" => []
1848       }
1849
1850       fixed_object = Transmogrifier.fix_explicit_addressing(object)
1851       assert user.follower_address in fixed_object["to"]
1852       refute user.follower_address in fixed_object["cc"]
1853     end
1854
1855     test "removes recipient's follower collection from cc", %{user: user} do
1856       recipient = insert(:user)
1857
1858       object = %{
1859         "actor" => user.ap_id,
1860         "to" => [recipient.ap_id, "https://www.w3.org/ns/activitystreams#Public"],
1861         "cc" => [user.follower_address, recipient.follower_address]
1862       }
1863
1864       fixed_object = Transmogrifier.fix_explicit_addressing(object)
1865
1866       assert user.follower_address in fixed_object["cc"]
1867       refute recipient.follower_address in fixed_object["cc"]
1868       refute recipient.follower_address in fixed_object["to"]
1869     end
1870   end
1871
1872   describe "fix_summary/1" do
1873     test "returns fixed object" do
1874       assert Transmogrifier.fix_summary(%{"summary" => nil}) == %{"summary" => ""}
1875       assert Transmogrifier.fix_summary(%{"summary" => "ok"}) == %{"summary" => "ok"}
1876       assert Transmogrifier.fix_summary(%{}) == %{"summary" => ""}
1877     end
1878   end
1879
1880   describe "fix_in_reply_to/2" do
1881     setup do: clear_config([:instance, :federation_incoming_replies_max_depth])
1882
1883     setup do
1884       data = Poison.decode!(File.read!("test/fixtures/mastodon-post-activity.json"))
1885       [data: data]
1886     end
1887
1888     test "returns not modified object when hasn't containts inReplyTo field", %{data: data} do
1889       assert Transmogrifier.fix_in_reply_to(data) == data
1890     end
1891
1892     test "returns object with inReplyToAtomUri when denied incoming reply", %{data: data} do
1893       Pleroma.Config.put([:instance, :federation_incoming_replies_max_depth], 0)
1894
1895       object_with_reply =
1896         Map.put(data["object"], "inReplyTo", "https://shitposter.club/notice/2827873")
1897
1898       modified_object = Transmogrifier.fix_in_reply_to(object_with_reply)
1899       assert modified_object["inReplyTo"] == "https://shitposter.club/notice/2827873"
1900       assert modified_object["inReplyToAtomUri"] == "https://shitposter.club/notice/2827873"
1901
1902       object_with_reply =
1903         Map.put(data["object"], "inReplyTo", %{"id" => "https://shitposter.club/notice/2827873"})
1904
1905       modified_object = Transmogrifier.fix_in_reply_to(object_with_reply)
1906       assert modified_object["inReplyTo"] == %{"id" => "https://shitposter.club/notice/2827873"}
1907       assert modified_object["inReplyToAtomUri"] == "https://shitposter.club/notice/2827873"
1908
1909       object_with_reply =
1910         Map.put(data["object"], "inReplyTo", ["https://shitposter.club/notice/2827873"])
1911
1912       modified_object = Transmogrifier.fix_in_reply_to(object_with_reply)
1913       assert modified_object["inReplyTo"] == ["https://shitposter.club/notice/2827873"]
1914       assert modified_object["inReplyToAtomUri"] == "https://shitposter.club/notice/2827873"
1915
1916       object_with_reply = Map.put(data["object"], "inReplyTo", [])
1917       modified_object = Transmogrifier.fix_in_reply_to(object_with_reply)
1918       assert modified_object["inReplyTo"] == []
1919       assert modified_object["inReplyToAtomUri"] == ""
1920     end
1921
1922     @tag capture_log: true
1923     test "returns modified object when allowed incoming reply", %{data: data} do
1924       object_with_reply =
1925         Map.put(
1926           data["object"],
1927           "inReplyTo",
1928           "https://shitposter.club/notice/2827873"
1929         )
1930
1931       Pleroma.Config.put([:instance, :federation_incoming_replies_max_depth], 5)
1932       modified_object = Transmogrifier.fix_in_reply_to(object_with_reply)
1933
1934       assert modified_object["inReplyTo"] ==
1935                "tag:shitposter.club,2017-05-05:noticeId=2827873:objectType=comment"
1936
1937       assert modified_object["inReplyToAtomUri"] == "https://shitposter.club/notice/2827873"
1938
1939       assert modified_object["conversation"] ==
1940                "tag:shitposter.club,2017-05-05:objectType=thread:nonce=3c16e9c2681f6d26"
1941
1942       assert modified_object["context"] ==
1943                "tag:shitposter.club,2017-05-05:objectType=thread:nonce=3c16e9c2681f6d26"
1944     end
1945   end
1946
1947   describe "fix_url/1" do
1948     test "fixes data for object when url is map" do
1949       object = %{
1950         "url" => %{
1951           "type" => "Link",
1952           "mimeType" => "video/mp4",
1953           "href" => "https://peede8d-46fb-ad81-2d4c2d1630e3-480.mp4"
1954         }
1955       }
1956
1957       assert Transmogrifier.fix_url(object) == %{
1958                "url" => "https://peede8d-46fb-ad81-2d4c2d1630e3-480.mp4"
1959              }
1960     end
1961
1962     test "fixes data for video object" do
1963       object = %{
1964         "type" => "Video",
1965         "url" => [
1966           %{
1967             "type" => "Link",
1968             "mimeType" => "video/mp4",
1969             "href" => "https://peede8d-46fb-ad81-2d4c2d1630e3-480.mp4"
1970           },
1971           %{
1972             "type" => "Link",
1973             "mimeType" => "video/mp4",
1974             "href" => "https://peertube46fb-ad81-2d4c2d1630e3-240.mp4"
1975           },
1976           %{
1977             "type" => "Link",
1978             "mimeType" => "text/html",
1979             "href" => "https://peertube.-2d4c2d1630e3"
1980           },
1981           %{
1982             "type" => "Link",
1983             "mimeType" => "text/html",
1984             "href" => "https://peertube.-2d4c2d16377-42"
1985           }
1986         ]
1987       }
1988
1989       assert Transmogrifier.fix_url(object) == %{
1990                "attachment" => [
1991                  %{
1992                    "href" => "https://peede8d-46fb-ad81-2d4c2d1630e3-480.mp4",
1993                    "mimeType" => "video/mp4",
1994                    "type" => "Link"
1995                  }
1996                ],
1997                "type" => "Video",
1998                "url" => "https://peertube.-2d4c2d1630e3"
1999              }
2000     end
2001
2002     test "fixes url for not Video object" do
2003       object = %{
2004         "type" => "Text",
2005         "url" => [
2006           %{
2007             "type" => "Link",
2008             "mimeType" => "text/html",
2009             "href" => "https://peertube.-2d4c2d1630e3"
2010           },
2011           %{
2012             "type" => "Link",
2013             "mimeType" => "text/html",
2014             "href" => "https://peertube.-2d4c2d16377-42"
2015           }
2016         ]
2017       }
2018
2019       assert Transmogrifier.fix_url(object) == %{
2020                "type" => "Text",
2021                "url" => "https://peertube.-2d4c2d1630e3"
2022              }
2023
2024       assert Transmogrifier.fix_url(%{"type" => "Text", "url" => []}) == %{
2025                "type" => "Text",
2026                "url" => ""
2027              }
2028     end
2029
2030     test "retunrs not modified object" do
2031       assert Transmogrifier.fix_url(%{"type" => "Text"}) == %{"type" => "Text"}
2032     end
2033   end
2034
2035   describe "get_obj_helper/2" do
2036     test "returns nil when cannot normalize object" do
2037       assert capture_log(fn ->
2038                refute Transmogrifier.get_obj_helper("test-obj-id")
2039              end) =~ "Unsupported URI scheme"
2040     end
2041
2042     @tag capture_log: true
2043     test "returns {:ok, %Object{}} for success case" do
2044       assert {:ok, %Object{}} =
2045                Transmogrifier.get_obj_helper("https://shitposter.club/notice/2827873")
2046     end
2047   end
2048
2049   describe "fix_attachments/1" do
2050     test "returns not modified object" do
2051       data = Poison.decode!(File.read!("test/fixtures/mastodon-post-activity.json"))
2052       assert Transmogrifier.fix_attachments(data) == data
2053     end
2054
2055     test "returns modified object when attachment is map" do
2056       assert Transmogrifier.fix_attachments(%{
2057                "attachment" => %{
2058                  "mediaType" => "video/mp4",
2059                  "url" => "https://peertube.moe/stat-480.mp4"
2060                }
2061              }) == %{
2062                "attachment" => [
2063                  %{
2064                    "mediaType" => "video/mp4",
2065                    "url" => [
2066                      %{
2067                        "href" => "https://peertube.moe/stat-480.mp4",
2068                        "mediaType" => "video/mp4",
2069                        "type" => "Link"
2070                      }
2071                    ]
2072                  }
2073                ]
2074              }
2075     end
2076
2077     test "returns modified object when attachment is list" do
2078       assert Transmogrifier.fix_attachments(%{
2079                "attachment" => [
2080                  %{"mediaType" => "video/mp4", "url" => "https://pe.er/stat-480.mp4"},
2081                  %{"mimeType" => "video/mp4", "href" => "https://pe.er/stat-480.mp4"}
2082                ]
2083              }) == %{
2084                "attachment" => [
2085                  %{
2086                    "mediaType" => "video/mp4",
2087                    "url" => [
2088                      %{
2089                        "href" => "https://pe.er/stat-480.mp4",
2090                        "mediaType" => "video/mp4",
2091                        "type" => "Link"
2092                      }
2093                    ]
2094                  },
2095                  %{
2096                    "href" => "https://pe.er/stat-480.mp4",
2097                    "mediaType" => "video/mp4",
2098                    "mimeType" => "video/mp4",
2099                    "url" => [
2100                      %{
2101                        "href" => "https://pe.er/stat-480.mp4",
2102                        "mediaType" => "video/mp4",
2103                        "type" => "Link"
2104                      }
2105                    ]
2106                  }
2107                ]
2108              }
2109     end
2110   end
2111
2112   describe "fix_emoji/1" do
2113     test "returns not modified object when object not contains tags" do
2114       data = Poison.decode!(File.read!("test/fixtures/mastodon-post-activity.json"))
2115       assert Transmogrifier.fix_emoji(data) == data
2116     end
2117
2118     test "returns object with emoji when object contains list tags" do
2119       assert Transmogrifier.fix_emoji(%{
2120                "tag" => [
2121                  %{"type" => "Emoji", "name" => ":bib:", "icon" => %{"url" => "/test"}},
2122                  %{"type" => "Hashtag"}
2123                ]
2124              }) == %{
2125                "emoji" => %{"bib" => "/test"},
2126                "tag" => [
2127                  %{"icon" => %{"url" => "/test"}, "name" => ":bib:", "type" => "Emoji"},
2128                  %{"type" => "Hashtag"}
2129                ]
2130              }
2131     end
2132
2133     test "returns object with emoji when object contains map tag" do
2134       assert Transmogrifier.fix_emoji(%{
2135                "tag" => %{"type" => "Emoji", "name" => ":bib:", "icon" => %{"url" => "/test"}}
2136              }) == %{
2137                "emoji" => %{"bib" => "/test"},
2138                "tag" => %{"icon" => %{"url" => "/test"}, "name" => ":bib:", "type" => "Emoji"}
2139              }
2140     end
2141   end
2142
2143   describe "set_replies/1" do
2144     setup do: clear_config([:activitypub, :note_replies_output_limit], 2)
2145
2146     test "returns unmodified object if activity doesn't have self-replies" do
2147       data = Poison.decode!(File.read!("test/fixtures/mastodon-post-activity.json"))
2148       assert Transmogrifier.set_replies(data) == data
2149     end
2150
2151     test "sets `replies` collection with a limited number of self-replies" do
2152       [user, another_user] = insert_list(2, :user)
2153
2154       {:ok, %{id: id1} = activity} = CommonAPI.post(user, %{"status" => "1"})
2155
2156       {:ok, %{id: id2} = self_reply1} =
2157         CommonAPI.post(user, %{"status" => "self-reply 1", "in_reply_to_status_id" => id1})
2158
2159       {:ok, self_reply2} =
2160         CommonAPI.post(user, %{"status" => "self-reply 2", "in_reply_to_status_id" => id1})
2161
2162       # Assuming to _not_ be present in `replies` due to :note_replies_output_limit is set to 2
2163       {:ok, _} =
2164         CommonAPI.post(user, %{"status" => "self-reply 3", "in_reply_to_status_id" => id1})
2165
2166       {:ok, _} =
2167         CommonAPI.post(user, %{
2168           "status" => "self-reply to self-reply",
2169           "in_reply_to_status_id" => id2
2170         })
2171
2172       {:ok, _} =
2173         CommonAPI.post(another_user, %{
2174           "status" => "another user's reply",
2175           "in_reply_to_status_id" => id1
2176         })
2177
2178       object = Object.normalize(activity)
2179       replies_uris = Enum.map([self_reply1, self_reply2], fn a -> a.object.data["id"] end)
2180
2181       assert %{"type" => "Collection", "items" => ^replies_uris} =
2182                Transmogrifier.set_replies(object.data)["replies"]
2183     end
2184   end
2185 end