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.Transmogrifier
  15   alias Pleroma.Web.AdminAPI.AccountView
  16   alias Pleroma.Web.CommonAPI
  17
  18   import Mock
  19   import Pleroma.Factory
  20   import ExUnit.CaptureLog
  21
  22   setup_all do
  23     Tesla.Mock.mock_global(fn env -> apply(HttpRequestMock, :request, [env]) end)
  24     :ok
  25   end
  26
  27   setup do: clear_config([:instance, :max_remote_account_fields])
  28
  29   describe "handle_incoming" do
  30     test "it works for incoming notices with tag not being an array (kroeg)" do
  31       data = File.read!("test/fixtures/kroeg-array-less-emoji.json") |> Poison.decode!()
  32
  33       {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
  34       object = Object.normalize(data["object"])
  35
  36       assert object.data["emoji"] == %{
  37                "icon_e_smile" => "https://puckipedia.com/forum/images/smilies/icon_e_smile.png"
  38              }
  39
  40       data = File.read!("test/fixtures/kroeg-array-less-hashtag.json") |> Poison.decode!()
  41
  42       {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
  43       object = Object.normalize(data["object"])
  44
  45       assert "test" in object.data["tag"]
  46     end
  47
  48     test "it works for incoming notices with url not being a string (prismo)" do
  49       data = File.read!("test/fixtures/prismo-url-map.json") |> Poison.decode!()
  50
  51       {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
  52       object = Object.normalize(data["object"])
  53
  54       assert object.data["url"] == "https://prismo.news/posts/83"
  55     end
  56
  57     test "it cleans up incoming notices which are not really DMs" do
  58       user = insert(:user)
  59       other_user = insert(:user)
  60
  61       to = [user.ap_id, other_user.ap_id]
  62
  63       data =
  64         File.read!("test/fixtures/mastodon-post-activity.json")
  65         |> Poison.decode!()
  66         |> Map.put("to", to)
  67         |> Map.put("cc", [])
  68
  69       object =
  70         data["object"]
  71         |> Map.put("to", to)
  72         |> Map.put("cc", [])
  73
  74       data = Map.put(data, "object", object)
  75
  76       {:ok, %Activity{data: data, local: false} = activity} = Transmogrifier.handle_incoming(data)
  77
  78       assert data["to"] == []
  79       assert data["cc"] == to
  80
  81       object_data = Object.normalize(activity).data
  82
  83       assert object_data["to"] == []
  84       assert object_data["cc"] == to
  85     end
  86
  87     test "it ignores an incoming notice if we already have it" do
  88       activity = insert(:note_activity)
  89
  90       data =
  91         File.read!("test/fixtures/mastodon-post-activity.json")
  92         |> Poison.decode!()
  93         |> Map.put("object", Object.normalize(activity).data)
  94
  95       {:ok, returned_activity} = Transmogrifier.handle_incoming(data)
  96
  97       assert activity == returned_activity
  98     end
  99
 100     @tag capture_log: true
 101     test "it fetches reply-to activities if we don't have them" do
 102       data =
 103         File.read!("test/fixtures/mastodon-post-activity.json")
 104         |> Poison.decode!()
 105
 106       object =
 107         data["object"]
 108         |> Map.put("inReplyTo", "https://shitposter.club/notice/2827873")
 109
 110       data = Map.put(data, "object", object)
 111       {:ok, returned_activity} = Transmogrifier.handle_incoming(data)
 112       returned_object = Object.normalize(returned_activity, false)
 113
 114       assert activity =
 115                Activity.get_create_by_object_ap_id(
 116                  "tag:shitposter.club,2017-05-05:noticeId=2827873:objectType=comment"
 117                )
 118
 119       assert returned_object.data["inReplyTo"] ==
 120                "tag:shitposter.club,2017-05-05:noticeId=2827873:objectType=comment"
 121     end
 122
 123     test "it does not fetch reply-to activities beyond max replies depth limit" do
 124       data =
 125         File.read!("test/fixtures/mastodon-post-activity.json")
 126         |> Poison.decode!()
 127
 128       object =
 129         data["object"]
 130         |> Map.put("inReplyTo", "https://shitposter.club/notice/2827873")
 131
 132       data = Map.put(data, "object", object)
 133
 134       with_mock Pleroma.Web.Federator,
 135         allowed_thread_distance?: fn _ -> false end do
 136         {:ok, returned_activity} = Transmogrifier.handle_incoming(data)
 137
 138         returned_object = Object.normalize(returned_activity, false)
 139
 140         refute Activity.get_create_by_object_ap_id(
 141                  "tag:shitposter.club,2017-05-05:noticeId=2827873:objectType=comment"
 142                )
 143
 144         assert returned_object.data["inReplyTo"] == "https://shitposter.club/notice/2827873"
 145       end
 146     end
 147
 148     test "it does not crash if the object in inReplyTo can't be fetched" do
 149       data =
 150         File.read!("test/fixtures/mastodon-post-activity.json")
 151         |> Poison.decode!()
 152
 153       object =
 154         data["object"]
 155         |> Map.put("inReplyTo", "https://404.site/whatever")
 156
 157       data =
 158         data
 159         |> Map.put("object", object)
 160
 161       assert capture_log(fn ->
 162                {:ok, _returned_activity} = Transmogrifier.handle_incoming(data)
 163              end) =~ "[warn] Couldn't fetch \"https://404.site/whatever\", error: nil"
 164     end
 165
 166     test "it does not work for deactivated users" do
 167       data = File.read!("test/fixtures/mastodon-post-activity.json") |> Poison.decode!()
 168
 169       insert(:user, ap_id: data["actor"], deactivated: true)
 170
 171       assert {:error, _} = Transmogrifier.handle_incoming(data)
 172     end
 173
 174     test "it works for incoming notices" do
 175       data = File.read!("test/fixtures/mastodon-post-activity.json") |> Poison.decode!()
 176
 177       {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
 178
 179       assert data["id"] ==
 180                "http://mastodon.example.org/users/admin/statuses/99512778738411822/activity"
 181
 182       assert data["context"] ==
 183                "tag:mastodon.example.org,2018-02-12:objectId=20:objectType=Conversation"
 184
 185       assert data["to"] == ["https://www.w3.org/ns/activitystreams#Public"]
 186
 187       assert data["cc"] == [
 188                "http://mastodon.example.org/users/admin/followers",
 189                "http://localtesting.pleroma.lol/users/lain"
 190              ]
 191
 192       assert data["actor"] == "http://mastodon.example.org/users/admin"
 193
 194       object_data = Object.normalize(data["object"]).data
 195
 196       assert object_data["id"] ==
 197                "http://mastodon.example.org/users/admin/statuses/99512778738411822"
 198
 199       assert object_data["to"] == ["https://www.w3.org/ns/activitystreams#Public"]
 200
 201       assert object_data["cc"] == [
 202                "http://mastodon.example.org/users/admin/followers",
 203                "http://localtesting.pleroma.lol/users/lain"
 204              ]
 205
 206       assert object_data["actor"] == "http://mastodon.example.org/users/admin"
 207       assert object_data["attributedTo"] == "http://mastodon.example.org/users/admin"
 208
 209       assert object_data["context"] ==
 210                "tag:mastodon.example.org,2018-02-12:objectId=20:objectType=Conversation"
 211
 212       assert object_data["sensitive"] == true
 213
 214       user = User.get_cached_by_ap_id(object_data["actor"])
 215
 216       assert user.note_count == 1
 217     end
 218
 219     test "it works for incoming notices with hashtags" do
 220       data = File.read!("test/fixtures/mastodon-post-activity-hashtag.json") |> Poison.decode!()
 221
 222       {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
 223       object = Object.normalize(data["object"])
 224
 225       assert Enum.at(object.data["tag"], 2) == "moo"
 226     end
 227
 228     test "it works for incoming notices with contentMap" do
 229       data =
 230         File.read!("test/fixtures/mastodon-post-activity-contentmap.json") |> Poison.decode!()
 231
 232       {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
 233       object = Object.normalize(data["object"])
 234
 235       assert object.data["content"] ==
 236                "<p><span class=\"h-card\"><a href=\"http://localtesting.pleroma.lol/users/lain\" class=\"u-url mention\">@<span>lain</span></a></span></p>"
 237     end
 238
 239     test "it works for incoming notices with to/cc not being an array (kroeg)" do
 240       data = File.read!("test/fixtures/kroeg-post-activity.json") |> Poison.decode!()
 241
 242       {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
 243       object = Object.normalize(data["object"])
 244
 245       assert object.data["content"] ==
 246                "<p>henlo from my Psion netBook</p><p>message sent from my Psion netBook</p>"
 247     end
 248
 249     test "it ensures that as:Public activities make it to their followers collection" do
 250       user = insert(:user)
 251
 252       data =
 253         File.read!("test/fixtures/mastodon-post-activity.json")
 254         |> Poison.decode!()
 255         |> Map.put("actor", user.ap_id)
 256         |> Map.put("to", ["https://www.w3.org/ns/activitystreams#Public"])
 257         |> Map.put("cc", [])
 258
 259       object =
 260         data["object"]
 261         |> Map.put("attributedTo", user.ap_id)
 262         |> Map.put("to", ["https://www.w3.org/ns/activitystreams#Public"])
 263         |> Map.put("cc", [])
 264         |> Map.put("id", user.ap_id <> "/activities/12345678")
 265
 266       data = Map.put(data, "object", object)
 267
 268       {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
 269
 270       assert data["cc"] == [User.ap_followers(user)]
 271     end
 272
 273     test "it ensures that address fields become lists" do
 274       user = insert(:user)
 275
 276       data =
 277         File.read!("test/fixtures/mastodon-post-activity.json")
 278         |> Poison.decode!()
 279         |> Map.put("actor", user.ap_id)
 280         |> Map.put("to", nil)
 281         |> Map.put("cc", nil)
 282
 283       object =
 284         data["object"]
 285         |> Map.put("attributedTo", user.ap_id)
 286         |> Map.put("to", nil)
 287         |> Map.put("cc", nil)
 288         |> Map.put("id", user.ap_id <> "/activities/12345678")
 289
 290       data = Map.put(data, "object", object)
 291
 292       {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
 293
 294       assert !is_nil(data["to"])
 295       assert !is_nil(data["cc"])
 296     end
 297
 298     test "it strips internal likes" do
 299       data =
 300         File.read!("test/fixtures/mastodon-post-activity.json")
 301         |> Poison.decode!()
 302
 303       likes = %{
 304         "first" =>
 305           "http://mastodon.example.org/objects/dbdbc507-52c8-490d-9b7c-1e1d52e5c132/likes?page=1",
 306         "id" => "http://mastodon.example.org/objects/dbdbc507-52c8-490d-9b7c-1e1d52e5c132/likes",
 307         "totalItems" => 3,
 308         "type" => "OrderedCollection"
 309       }
 310
 311       object = Map.put(data["object"], "likes", likes)
 312       data = Map.put(data, "object", object)
 313
 314       {:ok, %Activity{object: object}} = Transmogrifier.handle_incoming(data)
 315
 316       refute Map.has_key?(object.data, "likes")
 317     end
 318
 319     test "it strips internal reactions" do
 320       user = insert(:user)
 321       {:ok, activity} = CommonAPI.post(user, %{status: "#cofe"})
 322       {:ok, _} = CommonAPI.react_with_emoji(activity.id, user, "📢")
 323
 324       %{object: object} = Activity.get_by_id_with_object(activity.id)
 325       assert Map.has_key?(object.data, "reactions")
 326       assert Map.has_key?(object.data, "reaction_count")
 327
 328       object_data = Transmogrifier.strip_internal_fields(object.data)
 329       refute Map.has_key?(object_data, "reactions")
 330       refute Map.has_key?(object_data, "reaction_count")
 331     end
 332
 333     test "it works for incoming unfollows with an existing follow" do
 334       user = insert(:user)
 335
 336       follow_data =
 337         File.read!("test/fixtures/mastodon-follow-activity.json")
 338         |> Poison.decode!()
 339         |> Map.put("object", user.ap_id)
 340
 341       {:ok, %Activity{data: _, local: false}} = Transmogrifier.handle_incoming(follow_data)
 342
 343       data =
 344         File.read!("test/fixtures/mastodon-unfollow-activity.json")
 345         |> Poison.decode!()
 346         |> Map.put("object", follow_data)
 347
 348       {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
 349
 350       assert data["type"] == "Undo"
 351       assert data["object"]["type"] == "Follow"
 352       assert data["object"]["object"] == user.ap_id
 353       assert data["actor"] == "http://mastodon.example.org/users/admin"
 354
 355       refute User.following?(User.get_cached_by_ap_id(data["actor"]), user)
 356     end
 357
 358     test "skip converting the content when it is nil" do
 359       object_id = "https://peertube.social/videos/watch/278d2b7c-0f38-4aaa-afe6-9ecc0c4a34fe"
 360
 361       {:ok, object} = Fetcher.fetch_and_contain_remote_object_from_id(object_id)
 362
 363       result =
 364         Pleroma.Web.ActivityPub.Transmogrifier.fix_object(Map.merge(object, %{"content" => nil}))
 365
 366       assert result["content"] == nil
 367     end
 368
 369     test "it converts content of object to html" do
 370       object_id = "https://peertube.social/videos/watch/278d2b7c-0f38-4aaa-afe6-9ecc0c4a34fe"
 371
 372       {:ok, %{"content" => content_markdown}} =
 373         Fetcher.fetch_and_contain_remote_object_from_id(object_id)
 374
 375       {:ok, %Pleroma.Object{data: %{"content" => content}} = object} =
 376         Fetcher.fetch_object_from_id(object_id)
 377
 378       assert content_markdown ==
 379                "Support this and our other Michigan!/usr/group videos and meetings. Learn more at http://mug.org/membership\n\nTwenty Years in Jail: FreeBSD's Jails, Then and Now\n\nJails started as a limited virtualization system, but over the last two years they've..."
 380
 381       assert content ==
 382                "<p>Support this and our other Michigan!/usr/group videos and meetings. Learn more at <a href=\"http://mug.org/membership\">http://mug.org/membership</a></p><p>Twenty Years in Jail: FreeBSD’s Jails, Then and Now</p><p>Jails started as a limited virtualization system, but over the last two years they’ve…</p>"
 383
 384       assert object.data["mediaType"] == "text/html"
 385     end
 386
 387     test "it remaps video URLs as attachments if necessary" do
 388       {:ok, object} =
 389         Fetcher.fetch_object_from_id(
 390           "https://peertube.moe/videos/watch/df5f464b-be8d-46fb-ad81-2d4c2d1630e3"
 391         )
 392
 393       assert object.data["url"] ==
 394                "https://peertube.moe/videos/watch/df5f464b-be8d-46fb-ad81-2d4c2d1630e3"
 395
 396       assert object.data["attachment"] == [
 397                %{
 398                  "type" => "Link",
 399                  "mediaType" => "video/mp4",
 400                  "url" => [
 401                    %{
 402                      "href" =>
 403                        "https://peertube.moe/static/webseed/df5f464b-be8d-46fb-ad81-2d4c2d1630e3-480.mp4",
 404                      "mediaType" => "video/mp4",
 405                      "type" => "Link"
 406                    }
 407                  ]
 408                }
 409              ]
 410
 411       {:ok, object} =
 412         Fetcher.fetch_object_from_id(
 413           "https://framatube.org/videos/watch/6050732a-8a7a-43d4-a6cd-809525a1d206"
 414         )
 415
 416       assert object.data["attachment"] == [
 417                %{
 418                  "type" => "Link",
 419                  "mediaType" => "video/mp4",
 420                  "url" => [
 421                    %{
 422                      "href" =>
 423                        "https://framatube.org/static/webseed/6050732a-8a7a-43d4-a6cd-809525a1d206-1080.mp4",
 424                      "mediaType" => "video/mp4",
 425                      "type" => "Link"
 426                    }
 427                  ]
 428                }
 429              ]
 430
 431       assert object.data["url"] ==
 432                "https://framatube.org/videos/watch/6050732a-8a7a-43d4-a6cd-809525a1d206"
 433     end
 434
 435     test "it accepts Flag activities" do
 436       user = insert(:user)
 437       other_user = insert(:user)
 438
 439       {:ok, activity} = CommonAPI.post(user, %{status: "test post"})
 440       object = Object.normalize(activity)
 441
 442       note_obj = %{
 443         "type" => "Note",
 444         "id" => activity.data["id"],
 445         "content" => "test post",
 446         "published" => object.data["published"],
 447         "actor" => AccountView.render("show.json", %{user: user, skip_visibility_check: true})
 448       }
 449
 450       message = %{
 451         "@context" => "https://www.w3.org/ns/activitystreams",
 452         "cc" => [user.ap_id],
 453         "object" => [user.ap_id, activity.data["id"]],
 454         "type" => "Flag",
 455         "content" => "blocked AND reported!!!",
 456         "actor" => other_user.ap_id
 457       }
 458
 459       assert {:ok, activity} = Transmogrifier.handle_incoming(message)
 460
 461       assert activity.data["object"] == [user.ap_id, note_obj]
 462       assert activity.data["content"] == "blocked AND reported!!!"
 463       assert activity.data["actor"] == other_user.ap_id
 464       assert activity.data["cc"] == [user.ap_id]
 465     end
 466
 467     test "it correctly processes messages with non-array to field" do
 468       user = insert(:user)
 469
 470       message = %{
 471         "@context" => "https://www.w3.org/ns/activitystreams",
 472         "to" => "https://www.w3.org/ns/activitystreams#Public",
 473         "type" => "Create",
 474         "object" => %{
 475           "content" => "blah blah blah",
 476           "type" => "Note",
 477           "attributedTo" => user.ap_id,
 478           "inReplyTo" => nil
 479         },
 480         "actor" => user.ap_id
 481       }
 482
 483       assert {:ok, activity} = Transmogrifier.handle_incoming(message)
 484
 485       assert ["https://www.w3.org/ns/activitystreams#Public"] == activity.data["to"]
 486     end
 487
 488     test "it correctly processes messages with non-array cc field" do
 489       user = insert(:user)
 490
 491       message = %{
 492         "@context" => "https://www.w3.org/ns/activitystreams",
 493         "to" => user.follower_address,
 494         "cc" => "https://www.w3.org/ns/activitystreams#Public",
 495         "type" => "Create",
 496         "object" => %{
 497           "content" => "blah blah blah",
 498           "type" => "Note",
 499           "attributedTo" => user.ap_id,
 500           "inReplyTo" => nil
 501         },
 502         "actor" => user.ap_id
 503       }
 504
 505       assert {:ok, activity} = Transmogrifier.handle_incoming(message)
 506
 507       assert ["https://www.w3.org/ns/activitystreams#Public"] == activity.data["cc"]
 508       assert [user.follower_address] == activity.data["to"]
 509     end
 510
 511     test "it correctly processes messages with weirdness in address fields" do
 512       user = insert(:user)
 513
 514       message = %{
 515         "@context" => "https://www.w3.org/ns/activitystreams",
 516         "to" => [nil, user.follower_address],
 517         "cc" => ["https://www.w3.org/ns/activitystreams#Public", ["¿"]],
 518         "type" => "Create",
 519         "object" => %{
 520           "content" => "…",
 521           "type" => "Note",
 522           "attributedTo" => user.ap_id,
 523           "inReplyTo" => nil
 524         },
 525         "actor" => user.ap_id
 526       }
 527
 528       assert {:ok, activity} = Transmogrifier.handle_incoming(message)
 529
 530       assert ["https://www.w3.org/ns/activitystreams#Public"] == activity.data["cc"]
 531       assert [user.follower_address] == activity.data["to"]
 532     end
 533
 534     test "it accepts Move activities" do
 535       old_user = insert(:user)
 536       new_user = insert(:user)
 537
 538       message = %{
 539         "@context" => "https://www.w3.org/ns/activitystreams",
 540         "type" => "Move",
 541         "actor" => old_user.ap_id,
 542         "object" => old_user.ap_id,
 543         "target" => new_user.ap_id
 544       }
 545
 546       assert :error = Transmogrifier.handle_incoming(message)
 547
 548       {:ok, _new_user} = User.update_and_set_cache(new_user, %{also_known_as: [old_user.ap_id]})
 549
 550       assert {:ok, %Activity{} = activity} = Transmogrifier.handle_incoming(message)
 551       assert activity.actor == old_user.ap_id
 552       assert activity.data["actor"] == old_user.ap_id
 553       assert activity.data["object"] == old_user.ap_id
 554       assert activity.data["target"] == new_user.ap_id
 555       assert activity.data["type"] == "Move"
 556     end
 557   end
 558
 559   describe "`handle_incoming/2`, Mastodon format `replies` handling" do
 560     setup do: clear_config([:activitypub, :note_replies_output_limit], 5)
 561     setup do: clear_config([:instance, :federation_incoming_replies_max_depth])
 562
 563     setup do
 564       data =
 565         "test/fixtures/mastodon-post-activity.json"
 566         |> File.read!()
 567         |> Poison.decode!()
 568
 569       items = get_in(data, ["object", "replies", "first", "items"])
 570       assert length(items) > 0
 571
 572       %{data: data, items: items}
 573     end
 574
 575     test "schedules background fetching of `replies` items if max thread depth limit allows", %{
 576       data: data,
 577       items: items
 578     } do
 579       Pleroma.Config.put([:instance, :federation_incoming_replies_max_depth], 10)
 580
 581       {:ok, _activity} = Transmogrifier.handle_incoming(data)
 582
 583       for id <- items do
 584         job_args = %{"op" => "fetch_remote", "id" => id, "depth" => 1}
 585         assert_enqueued(worker: Pleroma.Workers.RemoteFetcherWorker, args: job_args)
 586       end
 587     end
 588
 589     test "does NOT schedule background fetching of `replies` beyond max thread depth limit allows",
 590          %{data: data} do
 591       Pleroma.Config.put([:instance, :federation_incoming_replies_max_depth], 0)
 592
 593       {:ok, _activity} = Transmogrifier.handle_incoming(data)
 594
 595       assert all_enqueued(worker: Pleroma.Workers.RemoteFetcherWorker) == []
 596     end
 597   end
 598
 599   describe "`handle_incoming/2`, Pleroma format `replies` handling" do
 600     setup do: clear_config([:activitypub, :note_replies_output_limit], 5)
 601     setup do: clear_config([:instance, :federation_incoming_replies_max_depth])
 602
 603     setup do
 604       user = insert(:user)
 605
 606       {:ok, activity} = CommonAPI.post(user, %{status: "post1"})
 607
 608       {:ok, reply1} =
 609         CommonAPI.post(user, %{status: "reply1", in_reply_to_status_id: activity.id})
 610
 611       {:ok, reply2} =
 612         CommonAPI.post(user, %{status: "reply2", in_reply_to_status_id: activity.id})
 613
 614       replies_uris = Enum.map([reply1, reply2], fn a -> a.object.data["id"] end)
 615
 616       {:ok, federation_output} = Transmogrifier.prepare_outgoing(activity.data)
 617
 618       Repo.delete(activity.object)
 619       Repo.delete(activity)
 620
 621       %{federation_output: federation_output, replies_uris: replies_uris}
 622     end
 623
 624     test "schedules background fetching of `replies` items if max thread depth limit allows", %{
 625       federation_output: federation_output,
 626       replies_uris: replies_uris
 627     } do
 628       Pleroma.Config.put([:instance, :federation_incoming_replies_max_depth], 1)
 629
 630       {:ok, _activity} = Transmogrifier.handle_incoming(federation_output)
 631
 632       for id <- replies_uris do
 633         job_args = %{"op" => "fetch_remote", "id" => id, "depth" => 1}
 634         assert_enqueued(worker: Pleroma.Workers.RemoteFetcherWorker, args: job_args)
 635       end
 636     end
 637
 638     test "does NOT schedule background fetching of `replies` beyond max thread depth limit allows",
 639          %{federation_output: federation_output} do
 640       Pleroma.Config.put([:instance, :federation_incoming_replies_max_depth], 0)
 641
 642       {:ok, _activity} = Transmogrifier.handle_incoming(federation_output)
 643
 644       assert all_enqueued(worker: Pleroma.Workers.RemoteFetcherWorker) == []
 645     end
 646   end
 647
 648   describe "prepare outgoing" do
 649     test "it inlines private announced objects" do
 650       user = insert(:user)
 651
 652       {:ok, activity} = CommonAPI.post(user, %{status: "hey", visibility: "private"})
 653
 654       {:ok, announce_activity} = CommonAPI.repeat(activity.id, user)
 655
 656       {:ok, modified} = Transmogrifier.prepare_outgoing(announce_activity.data)
 657
 658       assert modified["object"]["content"] == "hey"
 659       assert modified["object"]["actor"] == modified["object"]["attributedTo"]
 660     end
 661
 662     test "it turns mentions into tags" do
 663       user = insert(:user)
 664       other_user = insert(:user)
 665
 666       {:ok, activity} =
 667         CommonAPI.post(user, %{status: "hey, @#{other_user.nickname}, how are ya? #2hu"})
 668
 669       with_mock Pleroma.Notification,
 670         get_notified_from_activity: fn _, _ -> [] end do
 671         {:ok, modified} = Transmogrifier.prepare_outgoing(activity.data)
 672
 673         object = modified["object"]
 674
 675         expected_mention = %{
 676           "href" => other_user.ap_id,
 677           "name" => "@#{other_user.nickname}",
 678           "type" => "Mention"
 679         }
 680
 681         expected_tag = %{
 682           "href" => Pleroma.Web.Endpoint.url() <> "/tags/2hu",
 683           "type" => "Hashtag",
 684           "name" => "#2hu"
 685         }
 686
 687         refute called(Pleroma.Notification.get_notified_from_activity(:_, :_))
 688         assert Enum.member?(object["tag"], expected_tag)
 689         assert Enum.member?(object["tag"], expected_mention)
 690       end
 691     end
 692
 693     test "it adds the sensitive property" do
 694       user = insert(:user)
 695
 696       {:ok, activity} = CommonAPI.post(user, %{status: "#nsfw hey"})
 697       {:ok, modified} = Transmogrifier.prepare_outgoing(activity.data)
 698
 699       assert modified["object"]["sensitive"]
 700     end
 701
 702     test "it adds the json-ld context and the conversation property" do
 703       user = insert(:user)
 704
 705       {:ok, activity} = CommonAPI.post(user, %{status: "hey"})
 706       {:ok, modified} = Transmogrifier.prepare_outgoing(activity.data)
 707
 708       assert modified["@context"] ==
 709                Pleroma.Web.ActivityPub.Utils.make_json_ld_header()["@context"]
 710
 711       assert modified["object"]["conversation"] == modified["context"]
 712     end
 713
 714     test "it sets the 'attributedTo' property to the actor of the object if it doesn't have one" do
 715       user = insert(:user)
 716
 717       {:ok, activity} = CommonAPI.post(user, %{status: "hey"})
 718       {:ok, modified} = Transmogrifier.prepare_outgoing(activity.data)
 719
 720       assert modified["object"]["actor"] == modified["object"]["attributedTo"]
 721     end
 722
 723     test "it strips internal hashtag data" do
 724       user = insert(:user)
 725
 726       {:ok, activity} = CommonAPI.post(user, %{status: "#2hu"})
 727
 728       expected_tag = %{
 729         "href" => Pleroma.Web.Endpoint.url() <> "/tags/2hu",
 730         "type" => "Hashtag",
 731         "name" => "#2hu"
 732       }
 733
 734       {:ok, modified} = Transmogrifier.prepare_outgoing(activity.data)
 735
 736       assert modified["object"]["tag"] == [expected_tag]
 737     end
 738
 739     test "it strips internal fields" do
 740       user = insert(:user)
 741
 742       {:ok, activity} = CommonAPI.post(user, %{status: "#2hu :firefox:"})
 743
 744       {:ok, modified} = Transmogrifier.prepare_outgoing(activity.data)
 745
 746       assert length(modified["object"]["tag"]) == 2
 747
 748       assert is_nil(modified["object"]["emoji"])
 749       assert is_nil(modified["object"]["like_count"])
 750       assert is_nil(modified["object"]["announcements"])
 751       assert is_nil(modified["object"]["announcement_count"])
 752       assert is_nil(modified["object"]["context_id"])
 753     end
 754
 755     test "it strips internal fields of article" do
 756       activity = insert(:article_activity)
 757
 758       {:ok, modified} = Transmogrifier.prepare_outgoing(activity.data)
 759
 760       assert length(modified["object"]["tag"]) == 2
 761
 762       assert is_nil(modified["object"]["emoji"])
 763       assert is_nil(modified["object"]["like_count"])
 764       assert is_nil(modified["object"]["announcements"])
 765       assert is_nil(modified["object"]["announcement_count"])
 766       assert is_nil(modified["object"]["context_id"])
 767       assert is_nil(modified["object"]["likes"])
 768     end
 769
 770     test "the directMessage flag is present" do
 771       user = insert(:user)
 772       other_user = insert(:user)
 773
 774       {:ok, activity} = CommonAPI.post(user, %{status: "2hu :moominmamma:"})
 775
 776       {:ok, modified} = Transmogrifier.prepare_outgoing(activity.data)
 777
 778       assert modified["directMessage"] == false
 779
 780       {:ok, activity} = CommonAPI.post(user, %{status: "@#{other_user.nickname} :moominmamma:"})
 781
 782       {:ok, modified} = Transmogrifier.prepare_outgoing(activity.data)
 783
 784       assert modified["directMessage"] == false
 785
 786       {:ok, activity} =
 787         CommonAPI.post(user, %{
 788           status: "@#{other_user.nickname} :moominmamma:",
 789           visibility: "direct"
 790         })
 791
 792       {:ok, modified} = Transmogrifier.prepare_outgoing(activity.data)
 793
 794       assert modified["directMessage"] == true
 795     end
 796
 797     test "it strips BCC field" do
 798       user = insert(:user)
 799       {:ok, list} = Pleroma.List.create("foo", user)
 800
 801       {:ok, activity} = CommonAPI.post(user, %{status: "foobar", visibility: "list:#{list.id}"})
 802
 803       {:ok, modified} = Transmogrifier.prepare_outgoing(activity.data)
 804
 805       assert is_nil(modified["bcc"])
 806     end
 807
 808     test "it can handle Listen activities" do
 809       listen_activity = insert(:listen)
 810
 811       {:ok, modified} = Transmogrifier.prepare_outgoing(listen_activity.data)
 812
 813       assert modified["type"] == "Listen"
 814
 815       user = insert(:user)
 816
 817       {:ok, activity} = CommonAPI.listen(user, %{"title" => "lain radio episode 1"})
 818
 819       {:ok, _modified} = Transmogrifier.prepare_outgoing(activity.data)
 820     end
 821   end
 822
 823   describe "user upgrade" do
 824     test "it upgrades a user to activitypub" do
 825       user =
 826         insert(:user, %{
 827           nickname: "rye@niu.moe",
 828           local: false,
 829           ap_id: "https://niu.moe/users/rye",
 830           follower_address: User.ap_followers(%User{nickname: "rye@niu.moe"})
 831         })
 832
 833       user_two = insert(:user)
 834       Pleroma.FollowingRelationship.follow(user_two, user, :follow_accept)
 835
 836       {:ok, activity} = CommonAPI.post(user, %{status: "test"})
 837       {:ok, unrelated_activity} = CommonAPI.post(user_two, %{status: "test"})
 838       assert "http://localhost:4001/users/rye@niu.moe/followers" in activity.recipients
 839
 840       user = User.get_cached_by_id(user.id)
 841       assert user.note_count == 1
 842
 843       {:ok, user} = Transmogrifier.upgrade_user_from_ap_id("https://niu.moe/users/rye")
 844       ObanHelpers.perform_all()
 845
 846       assert user.ap_enabled
 847       assert user.note_count == 1
 848       assert user.follower_address == "https://niu.moe/users/rye/followers"
 849       assert user.following_address == "https://niu.moe/users/rye/following"
 850
 851       user = User.get_cached_by_id(user.id)
 852       assert user.note_count == 1
 853
 854       activity = Activity.get_by_id(activity.id)
 855       assert user.follower_address in activity.recipients
 856
 857       assert %{
 858                "url" => [
 859                  %{
 860                    "href" =>
 861                      "https://cdn.niu.moe/accounts/avatars/000/033/323/original/fd7f8ae0b3ffedc9.jpeg"
 862                  }
 863                ]
 864              } = user.avatar
 865
 866       assert %{
 867                "url" => [
 868                  %{
 869                    "href" =>
 870                      "https://cdn.niu.moe/accounts/headers/000/033/323/original/850b3448fa5fd477.png"
 871                  }
 872                ]
 873              } = user.banner
 874
 875       refute "..." in activity.recipients
 876
 877       unrelated_activity = Activity.get_by_id(unrelated_activity.id)
 878       refute user.follower_address in unrelated_activity.recipients
 879
 880       user_two = User.get_cached_by_id(user_two.id)
 881       assert User.following?(user_two, user)
 882       refute "..." in User.following(user_two)
 883     end
 884   end
 885
 886   describe "actor rewriting" do
 887     test "it fixes the actor URL property to be a proper URI" do
 888       data = %{
 889         "url" => %{"href" => "http://example.com"}
 890       }
 891
 892       rewritten = Transmogrifier.maybe_fix_user_object(data)
 893       assert rewritten["url"] == "http://example.com"
 894     end
 895   end
 896
 897   describe "actor origin containment" do
 898     test "it rejects activities which reference objects with bogus origins" do
 899       data = %{
 900         "@context" => "https://www.w3.org/ns/activitystreams",
 901         "id" => "http://mastodon.example.org/users/admin/activities/1234",
 902         "actor" => "http://mastodon.example.org/users/admin",
 903         "to" => ["https://www.w3.org/ns/activitystreams#Public"],
 904         "object" => "https://info.pleroma.site/activity.json",
 905         "type" => "Announce"
 906       }
 907
 908       assert capture_log(fn ->
 909                {:error, _} = Transmogrifier.handle_incoming(data)
 910              end) =~ "Object containment failed"
 911     end
 912
 913     test "it rejects activities which reference objects that have an incorrect attribution (variant 1)" do
 914       data = %{
 915         "@context" => "https://www.w3.org/ns/activitystreams",
 916         "id" => "http://mastodon.example.org/users/admin/activities/1234",
 917         "actor" => "http://mastodon.example.org/users/admin",
 918         "to" => ["https://www.w3.org/ns/activitystreams#Public"],
 919         "object" => "https://info.pleroma.site/activity2.json",
 920         "type" => "Announce"
 921       }
 922
 923       assert capture_log(fn ->
 924                {:error, _} = Transmogrifier.handle_incoming(data)
 925              end) =~ "Object containment failed"
 926     end
 927
 928     test "it rejects activities which reference objects that have an incorrect attribution (variant 2)" do
 929       data = %{
 930         "@context" => "https://www.w3.org/ns/activitystreams",
 931         "id" => "http://mastodon.example.org/users/admin/activities/1234",
 932         "actor" => "http://mastodon.example.org/users/admin",
 933         "to" => ["https://www.w3.org/ns/activitystreams#Public"],
 934         "object" => "https://info.pleroma.site/activity3.json",
 935         "type" => "Announce"
 936       }
 937
 938       assert capture_log(fn ->
 939                {:error, _} = Transmogrifier.handle_incoming(data)
 940              end) =~ "Object containment failed"
 941     end
 942   end
 943
 944   describe "reserialization" do
 945     test "successfully reserializes a message with inReplyTo == nil" do
 946       user = insert(:user)
 947
 948       message = %{
 949         "@context" => "https://www.w3.org/ns/activitystreams",
 950         "to" => ["https://www.w3.org/ns/activitystreams#Public"],
 951         "cc" => [],
 952         "type" => "Create",
 953         "object" => %{
 954           "to" => ["https://www.w3.org/ns/activitystreams#Public"],
 955           "cc" => [],
 956           "type" => "Note",
 957           "content" => "Hi",
 958           "inReplyTo" => nil,
 959           "attributedTo" => user.ap_id
 960         },
 961         "actor" => user.ap_id
 962       }
 963
 964       {:ok, activity} = Transmogrifier.handle_incoming(message)
 965
 966       {:ok, _} = Transmogrifier.prepare_outgoing(activity.data)
 967     end
 968
 969     test "successfully reserializes a message with AS2 objects in IR" do
 970       user = insert(:user)
 971
 972       message = %{
 973         "@context" => "https://www.w3.org/ns/activitystreams",
 974         "to" => ["https://www.w3.org/ns/activitystreams#Public"],
 975         "cc" => [],
 976         "type" => "Create",
 977         "object" => %{
 978           "to" => ["https://www.w3.org/ns/activitystreams#Public"],
 979           "cc" => [],
 980           "type" => "Note",
 981           "content" => "Hi",
 982           "inReplyTo" => nil,
 983           "attributedTo" => user.ap_id,
 984           "tag" => [
 985             %{"name" => "#2hu", "href" => "http://example.com/2hu", "type" => "Hashtag"},
 986             %{"name" => "Bob", "href" => "http://example.com/bob", "type" => "Mention"}
 987           ]
 988         },
 989         "actor" => user.ap_id
 990       }
 991
 992       {:ok, activity} = Transmogrifier.handle_incoming(message)
 993
 994       {:ok, _} = Transmogrifier.prepare_outgoing(activity.data)
 995     end
 996   end
 997
 998   describe "fix_explicit_addressing" do
 999     setup do
1000       user = insert(:user)
1001       [user: user]
1002     end
1003
1004     test "moves non-explicitly mentioned actors to cc", %{user: user} do
1005       explicitly_mentioned_actors = [
1006         "https://pleroma.gold/users/user1",
1007         "https://pleroma.gold/user2"
1008       ]
1009
1010       object = %{
1011         "actor" => user.ap_id,
1012         "to" => explicitly_mentioned_actors ++ ["https://social.beepboop.ga/users/dirb"],
1013         "cc" => [],
1014         "tag" =>
1015           Enum.map(explicitly_mentioned_actors, fn href ->
1016             %{"type" => "Mention", "href" => href}
1017           end)
1018       }
1019
1020       fixed_object = Transmogrifier.fix_explicit_addressing(object)
1021       assert Enum.all?(explicitly_mentioned_actors, &(&1 in fixed_object["to"]))
1022       refute "https://social.beepboop.ga/users/dirb" in fixed_object["to"]
1023       assert "https://social.beepboop.ga/users/dirb" in fixed_object["cc"]
1024     end
1025
1026     test "does not move actor's follower collection to cc", %{user: user} do
1027       object = %{
1028         "actor" => user.ap_id,
1029         "to" => [user.follower_address],
1030         "cc" => []
1031       }
1032
1033       fixed_object = Transmogrifier.fix_explicit_addressing(object)
1034       assert user.follower_address in fixed_object["to"]
1035       refute user.follower_address in fixed_object["cc"]
1036     end
1037
1038     test "removes recipient's follower collection from cc", %{user: user} do
1039       recipient = insert(:user)
1040
1041       object = %{
1042         "actor" => user.ap_id,
1043         "to" => [recipient.ap_id, "https://www.w3.org/ns/activitystreams#Public"],
1044         "cc" => [user.follower_address, recipient.follower_address]
1045       }
1046
1047       fixed_object = Transmogrifier.fix_explicit_addressing(object)
1048
1049       assert user.follower_address in fixed_object["cc"]
1050       refute recipient.follower_address in fixed_object["cc"]
1051       refute recipient.follower_address in fixed_object["to"]
1052     end
1053   end
1054
1055   describe "fix_summary/1" do
1056     test "returns fixed object" do
1057       assert Transmogrifier.fix_summary(%{"summary" => nil}) == %{"summary" => ""}
1058       assert Transmogrifier.fix_summary(%{"summary" => "ok"}) == %{"summary" => "ok"}
1059       assert Transmogrifier.fix_summary(%{}) == %{"summary" => ""}
1060     end
1061   end
1062
1063   describe "fix_in_reply_to/2" do
1064     setup do: clear_config([:instance, :federation_incoming_replies_max_depth])
1065
1066     setup do
1067       data = Poison.decode!(File.read!("test/fixtures/mastodon-post-activity.json"))
1068       [data: data]
1069     end
1070
1071     test "returns not modified object when hasn't containts inReplyTo field", %{data: data} do
1072       assert Transmogrifier.fix_in_reply_to(data) == data
1073     end
1074
1075     test "returns object with inReplyTo when denied incoming reply", %{data: data} do
1076       Pleroma.Config.put([:instance, :federation_incoming_replies_max_depth], 0)
1077
1078       object_with_reply =
1079         Map.put(data["object"], "inReplyTo", "https://shitposter.club/notice/2827873")
1080
1081       modified_object = Transmogrifier.fix_in_reply_to(object_with_reply)
1082       assert modified_object["inReplyTo"] == "https://shitposter.club/notice/2827873"
1083
1084       object_with_reply =
1085         Map.put(data["object"], "inReplyTo", %{"id" => "https://shitposter.club/notice/2827873"})
1086
1087       modified_object = Transmogrifier.fix_in_reply_to(object_with_reply)
1088       assert modified_object["inReplyTo"] == %{"id" => "https://shitposter.club/notice/2827873"}
1089
1090       object_with_reply =
1091         Map.put(data["object"], "inReplyTo", ["https://shitposter.club/notice/2827873"])
1092
1093       modified_object = Transmogrifier.fix_in_reply_to(object_with_reply)
1094       assert modified_object["inReplyTo"] == ["https://shitposter.club/notice/2827873"]
1095
1096       object_with_reply = Map.put(data["object"], "inReplyTo", [])
1097       modified_object = Transmogrifier.fix_in_reply_to(object_with_reply)
1098       assert modified_object["inReplyTo"] == []
1099     end
1100
1101     @tag capture_log: true
1102     test "returns modified object when allowed incoming reply", %{data: data} do
1103       object_with_reply =
1104         Map.put(
1105           data["object"],
1106           "inReplyTo",
1107           "https://shitposter.club/notice/2827873"
1108         )
1109
1110       Pleroma.Config.put([:instance, :federation_incoming_replies_max_depth], 5)
1111       modified_object = Transmogrifier.fix_in_reply_to(object_with_reply)
1112
1113       assert modified_object["inReplyTo"] ==
1114                "tag:shitposter.club,2017-05-05:noticeId=2827873:objectType=comment"
1115
1116       assert modified_object["context"] ==
1117                "tag:shitposter.club,2017-05-05:objectType=thread:nonce=3c16e9c2681f6d26"
1118     end
1119   end
1120
1121   describe "fix_url/1" do
1122     test "fixes data for object when url is map" do
1123       object = %{
1124         "url" => %{
1125           "type" => "Link",
1126           "mimeType" => "video/mp4",
1127           "href" => "https://peede8d-46fb-ad81-2d4c2d1630e3-480.mp4"
1128         }
1129       }
1130
1131       assert Transmogrifier.fix_url(object) == %{
1132                "url" => "https://peede8d-46fb-ad81-2d4c2d1630e3-480.mp4"
1133              }
1134     end
1135
1136     test "fixes data for video object" do
1137       object = %{
1138         "type" => "Video",
1139         "url" => [
1140           %{
1141             "type" => "Link",
1142             "mimeType" => "video/mp4",
1143             "href" => "https://peede8d-46fb-ad81-2d4c2d1630e3-480.mp4"
1144           },
1145           %{
1146             "type" => "Link",
1147             "mimeType" => "video/mp4",
1148             "href" => "https://peertube46fb-ad81-2d4c2d1630e3-240.mp4"
1149           },
1150           %{
1151             "type" => "Link",
1152             "mimeType" => "text/html",
1153             "href" => "https://peertube.-2d4c2d1630e3"
1154           },
1155           %{
1156             "type" => "Link",
1157             "mimeType" => "text/html",
1158             "href" => "https://peertube.-2d4c2d16377-42"
1159           }
1160         ]
1161       }
1162
1163       assert Transmogrifier.fix_url(object) == %{
1164                "attachment" => [
1165                  %{
1166                    "href" => "https://peede8d-46fb-ad81-2d4c2d1630e3-480.mp4",
1167                    "mimeType" => "video/mp4",
1168                    "type" => "Link"
1169                  }
1170                ],
1171                "type" => "Video",
1172                "url" => "https://peertube.-2d4c2d1630e3"
1173              }
1174     end
1175
1176     test "fixes url for not Video object" do
1177       object = %{
1178         "type" => "Text",
1179         "url" => [
1180           %{
1181             "type" => "Link",
1182             "mimeType" => "text/html",
1183             "href" => "https://peertube.-2d4c2d1630e3"
1184           },
1185           %{
1186             "type" => "Link",
1187             "mimeType" => "text/html",
1188             "href" => "https://peertube.-2d4c2d16377-42"
1189           }
1190         ]
1191       }
1192
1193       assert Transmogrifier.fix_url(object) == %{
1194                "type" => "Text",
1195                "url" => "https://peertube.-2d4c2d1630e3"
1196              }
1197
1198       assert Transmogrifier.fix_url(%{"type" => "Text", "url" => []}) == %{
1199                "type" => "Text",
1200                "url" => ""
1201              }
1202     end
1203
1204     test "retunrs not modified object" do
1205       assert Transmogrifier.fix_url(%{"type" => "Text"}) == %{"type" => "Text"}
1206     end
1207   end
1208
1209   describe "get_obj_helper/2" do
1210     test "returns nil when cannot normalize object" do
1211       assert capture_log(fn ->
1212                refute Transmogrifier.get_obj_helper("test-obj-id")
1213              end) =~ "Unsupported URI scheme"
1214     end
1215
1216     @tag capture_log: true
1217     test "returns {:ok, %Object{}} for success case" do
1218       assert {:ok, %Object{}} =
1219                Transmogrifier.get_obj_helper("https://shitposter.club/notice/2827873")
1220     end
1221   end
1222
1223   describe "fix_attachments/1" do
1224     test "returns not modified object" do
1225       data = Poison.decode!(File.read!("test/fixtures/mastodon-post-activity.json"))
1226       assert Transmogrifier.fix_attachments(data) == data
1227     end
1228
1229     test "returns modified object when attachment is map" do
1230       assert Transmogrifier.fix_attachments(%{
1231                "attachment" => %{
1232                  "mediaType" => "video/mp4",
1233                  "url" => "https://peertube.moe/stat-480.mp4"
1234                }
1235              }) == %{
1236                "attachment" => [
1237                  %{
1238                    "mediaType" => "video/mp4",
1239                    "type" => "Document",
1240                    "url" => [
1241                      %{
1242                        "href" => "https://peertube.moe/stat-480.mp4",
1243                        "mediaType" => "video/mp4",
1244                        "type" => "Link"
1245                      }
1246                    ]
1247                  }
1248                ]
1249              }
1250     end
1251
1252     test "returns modified object when attachment is list" do
1253       assert Transmogrifier.fix_attachments(%{
1254                "attachment" => [
1255                  %{"mediaType" => "video/mp4", "url" => "https://pe.er/stat-480.mp4"},
1256                  %{"mimeType" => "video/mp4", "href" => "https://pe.er/stat-480.mp4"}
1257                ]
1258              }) == %{
1259                "attachment" => [
1260                  %{
1261                    "mediaType" => "video/mp4",
1262                    "type" => "Document",
1263                    "url" => [
1264                      %{
1265                        "href" => "https://pe.er/stat-480.mp4",
1266                        "mediaType" => "video/mp4",
1267                        "type" => "Link"
1268                      }
1269                    ]
1270                  },
1271                  %{
1272                    "mediaType" => "video/mp4",
1273                    "type" => "Document",
1274                    "url" => [
1275                      %{
1276                        "href" => "https://pe.er/stat-480.mp4",
1277                        "mediaType" => "video/mp4",
1278                        "type" => "Link"
1279                      }
1280                    ]
1281                  }
1282                ]
1283              }
1284     end
1285   end
1286
1287   describe "fix_emoji/1" do
1288     test "returns not modified object when object not contains tags" do
1289       data = Poison.decode!(File.read!("test/fixtures/mastodon-post-activity.json"))
1290       assert Transmogrifier.fix_emoji(data) == data
1291     end
1292
1293     test "returns object with emoji when object contains list tags" do
1294       assert Transmogrifier.fix_emoji(%{
1295                "tag" => [
1296                  %{"type" => "Emoji", "name" => ":bib:", "icon" => %{"url" => "/test"}},
1297                  %{"type" => "Hashtag"}
1298                ]
1299              }) == %{
1300                "emoji" => %{"bib" => "/test"},
1301                "tag" => [
1302                  %{"icon" => %{"url" => "/test"}, "name" => ":bib:", "type" => "Emoji"},
1303                  %{"type" => "Hashtag"}
1304                ]
1305              }
1306     end
1307
1308     test "returns object with emoji when object contains map tag" do
1309       assert Transmogrifier.fix_emoji(%{
1310                "tag" => %{"type" => "Emoji", "name" => ":bib:", "icon" => %{"url" => "/test"}}
1311              }) == %{
1312                "emoji" => %{"bib" => "/test"},
1313                "tag" => %{"icon" => %{"url" => "/test"}, "name" => ":bib:", "type" => "Emoji"}
1314              }
1315     end
1316   end
1317
1318   describe "set_replies/1" do
1319     setup do: clear_config([:activitypub, :note_replies_output_limit], 2)
1320
1321     test "returns unmodified object if activity doesn't have self-replies" do
1322       data = Poison.decode!(File.read!("test/fixtures/mastodon-post-activity.json"))
1323       assert Transmogrifier.set_replies(data) == data
1324     end
1325
1326     test "sets `replies` collection with a limited number of self-replies" do
1327       [user, another_user] = insert_list(2, :user)
1328
1329       {:ok, %{id: id1} = activity} = CommonAPI.post(user, %{status: "1"})
1330
1331       {:ok, %{id: id2} = self_reply1} =
1332         CommonAPI.post(user, %{status: "self-reply 1", in_reply_to_status_id: id1})
1333
1334       {:ok, self_reply2} =
1335         CommonAPI.post(user, %{status: "self-reply 2", in_reply_to_status_id: id1})
1336
1337       # Assuming to _not_ be present in `replies` due to :note_replies_output_limit is set to 2
1338       {:ok, _} = CommonAPI.post(user, %{status: "self-reply 3", in_reply_to_status_id: id1})
1339
1340       {:ok, _} =
1341         CommonAPI.post(user, %{
1342           status: "self-reply to self-reply",
1343           in_reply_to_status_id: id2
1344         })
1345
1346       {:ok, _} =
1347         CommonAPI.post(another_user, %{
1348           status: "another user's reply",
1349           in_reply_to_status_id: id1
1350         })
1351
1352       object = Object.normalize(activity)
1353       replies_uris = Enum.map([self_reply1, self_reply2], fn a -> a.object.data["id"] end)
1354
1355       assert %{"type" => "Collection", "items" => ^replies_uris} =
1356                Transmogrifier.set_replies(object.data)["replies"]
1357     end
1358   end
1359
1360   test "take_emoji_tags/1" do
1361     user = insert(:user, %{emoji: %{"firefox" => "https://example.org/firefox.png"}})
1362
1363     assert Transmogrifier.take_emoji_tags(user) == [
1364              %{
1365                "icon" => %{"type" => "Image", "url" => "https://example.org/firefox.png"},
1366                "id" => "https://example.org/firefox.png",
1367                "name" => ":firefox:",
1368                "type" => "Emoji",
1369                "updated" => "1970-01-01T00:00:00Z"
1370              }
1371            ]
1372   end
1373 end