git.squeep.com Git - akkoma/blob - lib/pleroma/web/activity_pub/transmogrifier.ex

   1 defmodule Pleroma.Web.ActivityPub.Transmogrifier do
   2   @moduledoc """
   3   A module to handle coding from internal to wire ActivityPub and back.
   4   """
   5   alias Pleroma.User
   6   alias Pleroma.Object
   7   alias Pleroma.Activity
   8   alias Pleroma.Repo
   9   alias Pleroma.Web.ActivityPub.ActivityPub
  10   alias Pleroma.Web.ActivityPub.Utils
  11
  12   import Ecto.Query
  13
  14   require Logger
  15
  16   def get_actor(%{"actor" => actor}) when is_binary(actor) do
  17     actor
  18   end
  19
  20   def get_actor(%{"actor" => actor}) when is_list(actor) do
  21     if is_binary(Enum.at(actor, 0)) do
  22       Enum.at(actor, 0)
  23     else
  24       Enum.find(actor, fn %{"type" => type} -> type == "Person" end)
  25       |> Map.get("id")
  26     end
  27   end
  28
  29   def get_actor(%{"actor" => actor}) when is_map(actor) do
  30     actor["id"]
  31   end
  32
  33   @doc """
  34   Modifies an incoming AP object (mastodon format) to our internal format.
  35   """
  36   def fix_object(object) do
  37     object
  38     |> fix_actor
  39     |> fix_attachments
  40     |> fix_context
  41     |> fix_in_reply_to
  42     |> fix_emoji
  43     |> fix_tag
  44     |> fix_content_map
  45     |> fix_likes
  46     |> fix_addressing
  47   end
  48
  49   def fix_addressing_list(map, field) do
  50     if is_binary(map[field]) do
  51       map
  52       |> Map.put(field, [map[field]])
  53     else
  54       map
  55     end
  56   end
  57
  58   def fix_addressing(map) do
  59     map
  60     |> fix_addressing_list("to")
  61     |> fix_addressing_list("cc")
  62     |> fix_addressing_list("bto")
  63     |> fix_addressing_list("bcc")
  64   end
  65
  66   def fix_actor(%{"attributedTo" => actor} = object) do
  67     object
  68     |> Map.put("actor", get_actor(%{"actor" => actor}))
  69   end
  70
  71   def fix_likes(%{"likes" => likes} = object)
  72       when is_bitstring(likes) do
  73     # Check for standardisation
  74     # This is what Peertube does
  75     # curl -H 'Accept: application/activity+json' $likes | jq .totalItems
  76     object
  77     |> Map.put("likes", [])
  78     |> Map.put("like_count", 0)
  79   end
  80
  81   def fix_likes(object) do
  82     object
  83   end
  84
  85   def fix_in_reply_to(%{"inReplyTo" => in_reply_to_id} = object)
  86       when not is_nil(in_reply_to_id) do
  87     case ActivityPub.fetch_object_from_id(in_reply_to_id) do
  88       {:ok, replied_object} ->
  89         with %Activity{} = activity <-
  90                Activity.get_create_activity_by_object_ap_id(replied_object.data["id"]) do
  91           object
  92           |> Map.put("inReplyTo", replied_object.data["id"])
  93           |> Map.put("inReplyToAtomUri", object["inReplyToAtomUri"] || in_reply_to_id)
  94           |> Map.put("inReplyToStatusId", activity.id)
  95           |> Map.put("conversation", replied_object.data["context"] || object["conversation"])
  96           |> Map.put("context", replied_object.data["context"] || object["conversation"])
  97         else
  98           e ->
  99             Logger.error("Couldn't fetch #{object["inReplyTo"]} #{inspect(e)}")
 100             object
 101         end
 102
 103       e ->
 104         Logger.error("Couldn't fetch #{object["inReplyTo"]} #{inspect(e)}")
 105         object
 106     end
 107   end
 108
 109   def fix_in_reply_to(object), do: object
 110
 111   def fix_context(object) do
 112     context = object["context"] || object["conversation"] || Utils.generate_context_id()
 113
 114     object
 115     |> Map.put("context", context)
 116     |> Map.put("conversation", context)
 117   end
 118
 119   def fix_attachments(object) do
 120     attachments =
 121       (object["attachment"] || [])
 122       |> Enum.map(fn data ->
 123         url = [%{"type" => "Link", "mediaType" => data["mediaType"], "href" => data["url"]}]
 124         Map.put(data, "url", url)
 125       end)
 126
 127     object
 128     |> Map.put("attachment", attachments)
 129   end
 130
 131   def fix_emoji(object) do
 132     tags = object["tag"] || []
 133     emoji = tags |> Enum.filter(fn data -> data["type"] == "Emoji" and data["icon"] end)
 134
 135     emoji =
 136       emoji
 137       |> Enum.reduce(%{}, fn data, mapping ->
 138         name = data["name"]
 139
 140         name =
 141           if String.starts_with?(name, ":") do
 142             name |> String.slice(1..-2)
 143           else
 144             name
 145           end
 146
 147         mapping |> Map.put(name, data["icon"]["url"])
 148       end)
 149
 150     # we merge mastodon and pleroma emoji into a single mapping, to allow for both wire formats
 151     emoji = Map.merge(object["emoji"] || %{}, emoji)
 152
 153     object
 154     |> Map.put("emoji", emoji)
 155   end
 156
 157   def fix_tag(object) do
 158     tags =
 159       (object["tag"] || [])
 160       |> Enum.filter(fn data -> data["type"] == "Hashtag" and data["name"] end)
 161       |> Enum.map(fn data -> String.slice(data["name"], 1..-1) end)
 162
 163     combined = (object["tag"] || []) ++ tags
 164
 165     object
 166     |> Map.put("tag", combined)
 167   end
 168
 169   # content map usually only has one language so this will do for now.
 170   def fix_content_map(%{"contentMap" => content_map} = object) do
 171     content_groups = Map.to_list(content_map)
 172     {_, content} = Enum.at(content_groups, 0)
 173
 174     object
 175     |> Map.put("content", content)
 176   end
 177
 178   def fix_content_map(object), do: object
 179
 180   # disallow objects with bogus IDs
 181   def handle_incoming(%{"id" => nil}), do: :error
 182   def handle_incoming(%{"id" => ""}), do: :error
 183   # length of https:// = 8, should validate better, but good enough for now.
 184   def handle_incoming(%{"id" => id}) when not (is_binary(id) and length(id) > 8), do: :error
 185
 186   # TODO: validate those with a Ecto scheme
 187   # - tags
 188   # - emoji
 189   def handle_incoming(%{"type" => "Create", "object" => %{"type" => objtype} = object} = data)
 190       when objtype in ["Article", "Note", "Video"] do
 191     actor = get_actor(data)
 192
 193     data =
 194       Map.put(data, "actor", actor)
 195       |> fix_addressing
 196
 197     with nil <- Activity.get_create_activity_by_object_ap_id(object["id"]),
 198          %User{} = user <- User.get_or_fetch_by_ap_id(data["actor"]) do
 199       object = fix_object(data["object"])
 200
 201       params = %{
 202         to: data["to"],
 203         object: object,
 204         actor: user,
 205         context: object["conversation"],
 206         local: false,
 207         published: data["published"],
 208         additional:
 209           Map.take(data, [
 210             "cc",
 211             "id"
 212           ])
 213       }
 214
 215       ActivityPub.create(params)
 216     else
 217       %Activity{} = activity -> {:ok, activity}
 218       _e -> :error
 219     end
 220   end
 221
 222   def handle_incoming(
 223         %{"type" => "Follow", "object" => followed, "actor" => follower, "id" => id} = data
 224       ) do
 225     with %User{local: true} = followed <- User.get_cached_by_ap_id(followed),
 226          %User{} = follower <- User.get_or_fetch_by_ap_id(follower),
 227          {:ok, activity} <- ActivityPub.follow(follower, followed, id, false) do
 228       if not User.locked?(followed) do
 229         ActivityPub.accept(%{
 230           to: [follower.ap_id],
 231           actor: followed.ap_id,
 232           object: data,
 233           local: true
 234         })
 235
 236         User.follow(follower, followed)
 237       end
 238
 239       {:ok, activity}
 240     else
 241       _e -> :error
 242     end
 243   end
 244
 245   defp mastodon_follow_hack(%{"id" => id, "actor" => follower_id}, followed) do
 246     with true <- id =~ "follows",
 247          %User{local: true} = follower <- User.get_cached_by_ap_id(follower_id),
 248          %Activity{} = activity <- Utils.fetch_latest_follow(follower, followed) do
 249       {:ok, activity}
 250     else
 251       _ -> {:error, nil}
 252     end
 253   end
 254
 255   defp mastodon_follow_hack(_), do: {:error, nil}
 256
 257   defp get_follow_activity(follow_object, followed) do
 258     with object_id when not is_nil(object_id) <- Utils.get_ap_id(follow_object),
 259          {_, %Activity{} = activity} <- {:activity, Activity.get_by_ap_id(object_id)} do
 260       {:ok, activity}
 261     else
 262       # Can't find the activity. This might a Mastodon 2.3 "Accept"
 263       {:activity, nil} ->
 264         mastodon_follow_hack(follow_object, followed)
 265
 266       _ ->
 267         {:error, nil}
 268     end
 269   end
 270
 271   def handle_incoming(
 272         %{"type" => "Accept", "object" => follow_object, "actor" => actor, "id" => id} = data
 273       ) do
 274     with %User{} = followed <- User.get_or_fetch_by_ap_id(actor),
 275          {:ok, follow_activity} <- get_follow_activity(follow_object, followed),
 276          %User{local: true} = follower <- User.get_cached_by_ap_id(follow_activity.data["actor"]),
 277          {:ok, activity} <-
 278            ActivityPub.accept(%{
 279              to: follow_activity.data["to"],
 280              type: "Accept",
 281              actor: followed.ap_id,
 282              object: follow_activity.data["id"],
 283              local: false
 284            }) do
 285       if not User.following?(follower, followed) do
 286         {:ok, follower} = User.follow(follower, followed)
 287       end
 288
 289       {:ok, activity}
 290     else
 291       _e -> :error
 292     end
 293   end
 294
 295   def handle_incoming(
 296         %{"type" => "Reject", "object" => follow_object, "actor" => actor, "id" => id} = data
 297       ) do
 298     with %User{} = followed <- User.get_or_fetch_by_ap_id(actor),
 299          {:ok, follow_activity} <- get_follow_activity(follow_object, followed),
 300          %User{local: true} = follower <- User.get_cached_by_ap_id(follow_activity.data["actor"]),
 301          {:ok, activity} <-
 302            ActivityPub.accept(%{
 303              to: follow_activity.data["to"],
 304              type: "Accept",
 305              actor: followed.ap_id,
 306              object: follow_activity.data["id"],
 307              local: false
 308            }) do
 309       User.unfollow(follower, followed)
 310
 311       {:ok, activity}
 312     else
 313       _e -> :error
 314     end
 315   end
 316
 317   def handle_incoming(
 318         %{"type" => "Like", "object" => object_id, "actor" => actor, "id" => id} = _data
 319       ) do
 320     with %User{} = actor <- User.get_or_fetch_by_ap_id(actor),
 321          {:ok, object} <-
 322            get_obj_helper(object_id) || ActivityPub.fetch_object_from_id(object_id),
 323          {:ok, activity, _object} <- ActivityPub.like(actor, object, id, false) do
 324       {:ok, activity}
 325     else
 326       _e -> :error
 327     end
 328   end
 329
 330   def handle_incoming(
 331         %{"type" => "Announce", "object" => object_id, "actor" => actor, "id" => id} = _data
 332       ) do
 333     with %User{} = actor <- User.get_or_fetch_by_ap_id(actor),
 334          {:ok, object} <-
 335            get_obj_helper(object_id) || ActivityPub.fetch_object_from_id(object_id),
 336          {:ok, activity, _object} <- ActivityPub.announce(actor, object, id, false) do
 337       {:ok, activity}
 338     else
 339       _e -> :error
 340     end
 341   end
 342
 343   def handle_incoming(
 344         %{"type" => "Update", "object" => %{"type" => "Person"} = object, "actor" => actor_id} =
 345           data
 346       ) do
 347     with %User{ap_id: ^actor_id} = actor <- User.get_by_ap_id(object["id"]) do
 348       {:ok, new_user_data} = ActivityPub.user_data_from_user_object(object)
 349
 350       banner = new_user_data[:info]["banner"]
 351       locked = new_user_data[:info]["locked"] || false
 352
 353       update_data =
 354         new_user_data
 355         |> Map.take([:name, :bio, :avatar])
 356         |> Map.put(:info, Map.merge(actor.info, %{"banner" => banner, "locked" => locked}))
 357
 358       actor
 359       |> User.upgrade_changeset(update_data)
 360       |> User.update_and_set_cache()
 361
 362       ActivityPub.update(%{
 363         local: false,
 364         to: data["to"] || [],
 365         cc: data["cc"] || [],
 366         object: object,
 367         actor: actor_id
 368       })
 369     else
 370       e ->
 371         Logger.error(e)
 372         :error
 373     end
 374   end
 375
 376   # TODO: Make secure.
 377   def handle_incoming(
 378         %{"type" => "Delete", "object" => object_id, "actor" => actor, "id" => _id} = _data
 379       ) do
 380     object_id = Utils.get_ap_id(object_id)
 381
 382     with %User{} = _actor <- User.get_or_fetch_by_ap_id(actor),
 383          {:ok, object} <-
 384            get_obj_helper(object_id) || ActivityPub.fetch_object_from_id(object_id),
 385          {:ok, activity} <- ActivityPub.delete(object, false) do
 386       {:ok, activity}
 387     else
 388       _e -> :error
 389     end
 390   end
 391
 392   def handle_incoming(
 393         %{
 394           "type" => "Undo",
 395           "object" => %{"type" => "Announce", "object" => object_id},
 396           "actor" => actor,
 397           "id" => id
 398         } = _data
 399       ) do
 400     with %User{} = actor <- User.get_or_fetch_by_ap_id(actor),
 401          {:ok, object} <-
 402            get_obj_helper(object_id) || ActivityPub.fetch_object_from_id(object_id),
 403          {:ok, activity, _} <- ActivityPub.unannounce(actor, object, id, false) do
 404       {:ok, activity}
 405     else
 406       _e -> :error
 407     end
 408   end
 409
 410   def handle_incoming(
 411         %{
 412           "type" => "Undo",
 413           "object" => %{"type" => "Follow", "object" => followed},
 414           "actor" => follower,
 415           "id" => id
 416         } = _data
 417       ) do
 418     with %User{local: true} = followed <- User.get_cached_by_ap_id(followed),
 419          %User{} = follower <- User.get_or_fetch_by_ap_id(follower),
 420          {:ok, activity} <- ActivityPub.unfollow(follower, followed, id, false) do
 421       User.unfollow(follower, followed)
 422       {:ok, activity}
 423     else
 424       e -> :error
 425     end
 426   end
 427
 428   @ap_config Application.get_env(:pleroma, :activitypub)
 429   @accept_blocks Keyword.get(@ap_config, :accept_blocks)
 430
 431   def handle_incoming(
 432         %{
 433           "type" => "Undo",
 434           "object" => %{"type" => "Block", "object" => blocked},
 435           "actor" => blocker,
 436           "id" => id
 437         } = _data
 438       ) do
 439     with true <- @accept_blocks,
 440          %User{local: true} = blocked <- User.get_cached_by_ap_id(blocked),
 441          %User{} = blocker <- User.get_or_fetch_by_ap_id(blocker),
 442          {:ok, activity} <- ActivityPub.unblock(blocker, blocked, id, false) do
 443       User.unblock(blocker, blocked)
 444       {:ok, activity}
 445     else
 446       e -> :error
 447     end
 448   end
 449
 450   def handle_incoming(
 451         %{"type" => "Block", "object" => blocked, "actor" => blocker, "id" => id} = data
 452       ) do
 453     with true <- @accept_blocks,
 454          %User{local: true} = blocked = User.get_cached_by_ap_id(blocked),
 455          %User{} = blocker = User.get_or_fetch_by_ap_id(blocker),
 456          {:ok, activity} <- ActivityPub.block(blocker, blocked, id, false) do
 457       User.unfollow(blocker, blocked)
 458       User.block(blocker, blocked)
 459       {:ok, activity}
 460     else
 461       e -> :error
 462     end
 463   end
 464
 465   def handle_incoming(
 466         %{
 467           "type" => "Undo",
 468           "object" => %{"type" => "Like", "object" => object_id},
 469           "actor" => actor,
 470           "id" => id
 471         } = _data
 472       ) do
 473     with %User{} = actor <- User.get_or_fetch_by_ap_id(actor),
 474          {:ok, object} <-
 475            get_obj_helper(object_id) || ActivityPub.fetch_object_from_id(object_id),
 476          {:ok, activity, _, _} <- ActivityPub.unlike(actor, object, id, false) do
 477       {:ok, activity}
 478     else
 479       _e -> :error
 480     end
 481   end
 482
 483   def handle_incoming(_), do: :error
 484
 485   def get_obj_helper(id) do
 486     if object = Object.normalize(id), do: {:ok, object}, else: nil
 487   end
 488
 489   def set_reply_to_uri(%{"inReplyTo" => inReplyTo} = object) do
 490     with false <- String.starts_with?(inReplyTo, "http"),
 491          {:ok, %{data: replied_to_object}} <- get_obj_helper(inReplyTo) do
 492       Map.put(object, "inReplyTo", replied_to_object["external_url"] || inReplyTo)
 493     else
 494       _e -> object
 495     end
 496   end
 497
 498   def set_reply_to_uri(obj), do: obj
 499
 500   # Prepares the object of an outgoing create activity.
 501   def prepare_object(object) do
 502     object
 503     |> set_sensitive
 504     |> add_hashtags
 505     |> add_mention_tags
 506     |> add_emoji_tags
 507     |> add_attributed_to
 508     |> prepare_attachments
 509     |> set_conversation
 510     |> set_reply_to_uri
 511   end
 512
 513   #  @doc
 514   #  """
 515   #  internal -> Mastodon
 516   #  """
 517
 518   def prepare_outgoing(%{"type" => "Create", "object" => %{"type" => "Note"} = object} = data) do
 519     object =
 520       object
 521       |> prepare_object
 522
 523     data =
 524       data
 525       |> Map.put("object", object)
 526       |> Map.put("@context", "https://www.w3.org/ns/activitystreams")
 527
 528     {:ok, data}
 529   end
 530
 531   # Mastodon Accept/Reject requires a non-normalized object containing the actor URIs,
 532   # because of course it does.
 533   def prepare_outgoing(%{"type" => "Accept"} = data) do
 534     with follow_activity <- Activity.normalize(data["object"]) do
 535       object = %{
 536         "actor" => follow_activity.actor,
 537         "object" => follow_activity.data["object"],
 538         "id" => follow_activity.data["id"],
 539         "type" => "Follow"
 540       }
 541
 542       data =
 543         data
 544         |> Map.put("object", object)
 545         |> Map.put("@context", "https://www.w3.org/ns/activitystreams")
 546
 547       {:ok, data}
 548     end
 549   end
 550
 551   def prepare_outgoing(%{"type" => "Reject"} = data) do
 552     with follow_activity <- Activity.normalize(data["object"]) do
 553       object = %{
 554         "actor" => follow_activity.actor,
 555         "object" => follow_activity.data["object"],
 556         "id" => follow_activity.data["id"],
 557         "type" => "Follow"
 558       }
 559
 560       data =
 561         data
 562         |> Map.put("object", object)
 563         |> Map.put("@context", "https://www.w3.org/ns/activitystreams")
 564
 565       {:ok, data}
 566     end
 567   end
 568
 569   def prepare_outgoing(%{"type" => _type} = data) do
 570     data =
 571       data
 572       |> maybe_fix_object_url
 573       |> Map.put("@context", "https://www.w3.org/ns/activitystreams")
 574
 575     {:ok, data}
 576   end
 577
 578   def maybe_fix_object_url(data) do
 579     if is_binary(data["object"]) and not String.starts_with?(data["object"], "http") do
 580       case ActivityPub.fetch_object_from_id(data["object"]) do
 581         {:ok, relative_object} ->
 582           if relative_object.data["external_url"] do
 583             _data =
 584               data
 585               |> Map.put("object", relative_object.data["external_url"])
 586           else
 587             data
 588           end
 589
 590         e ->
 591           Logger.error("Couldn't fetch #{data["object"]} #{inspect(e)}")
 592           data
 593       end
 594     else
 595       data
 596     end
 597   end
 598
 599   def add_hashtags(object) do
 600     tags =
 601       (object["tag"] || [])
 602       |> Enum.map(fn tag ->
 603         %{
 604           "href" => Pleroma.Web.Endpoint.url() <> "/tags/#{tag}",
 605           "name" => "##{tag}",
 606           "type" => "Hashtag"
 607         }
 608       end)
 609
 610     object
 611     |> Map.put("tag", tags)
 612   end
 613
 614   def add_mention_tags(object) do
 615     recipients = object["to"] ++ (object["cc"] || [])
 616
 617     mentions =
 618       recipients
 619       |> Enum.map(fn ap_id -> User.get_cached_by_ap_id(ap_id) end)
 620       |> Enum.filter(& &1)
 621       |> Enum.map(fn user ->
 622         %{"type" => "Mention", "href" => user.ap_id, "name" => "@#{user.nickname}"}
 623       end)
 624
 625     tags = object["tag"] || []
 626
 627     object
 628     |> Map.put("tag", tags ++ mentions)
 629   end
 630
 631   # TODO: we should probably send mtime instead of unix epoch time for updated
 632   def add_emoji_tags(object) do
 633     tags = object["tag"] || []
 634     emoji = object["emoji"] || []
 635
 636     out =
 637       emoji
 638       |> Enum.map(fn {name, url} ->
 639         %{
 640           "icon" => %{"url" => url, "type" => "Image"},
 641           "name" => ":" <> name <> ":",
 642           "type" => "Emoji",
 643           "updated" => "1970-01-01T00:00:00Z",
 644           "id" => url
 645         }
 646       end)
 647
 648     object
 649     |> Map.put("tag", tags ++ out)
 650   end
 651
 652   def set_conversation(object) do
 653     Map.put(object, "conversation", object["context"])
 654   end
 655
 656   def set_sensitive(object) do
 657     tags = object["tag"] || []
 658     Map.put(object, "sensitive", "nsfw" in tags)
 659   end
 660
 661   def add_attributed_to(object) do
 662     attributedTo = object["attributedTo"] || object["actor"]
 663
 664     object
 665     |> Map.put("attributedTo", attributedTo)
 666   end
 667
 668   def prepare_attachments(object) do
 669     attachments =
 670       (object["attachment"] || [])
 671       |> Enum.map(fn data ->
 672         [%{"mediaType" => media_type, "href" => href} | _] = data["url"]
 673         %{"url" => href, "mediaType" => media_type, "name" => data["name"], "type" => "Document"}
 674       end)
 675
 676     object
 677     |> Map.put("attachment", attachments)
 678   end
 679
 680   defp user_upgrade_task(user) do
 681     old_follower_address = User.ap_followers(user)
 682
 683     q =
 684       from(
 685         u in User,
 686         where: ^old_follower_address in u.following,
 687         update: [
 688           set: [
 689             following:
 690               fragment(
 691                 "array_replace(?,?,?)",
 692                 u.following,
 693                 ^old_follower_address,
 694                 ^user.follower_address
 695               )
 696           ]
 697         ]
 698       )
 699
 700     Repo.update_all(q, [])
 701
 702     maybe_retire_websub(user.ap_id)
 703
 704     # Only do this for recent activties, don't go through the whole db.
 705     # Only look at the last 1000 activities.
 706     since = (Repo.aggregate(Activity, :max, :id) || 0) - 1_000
 707
 708     q =
 709       from(
 710         a in Activity,
 711         where: ^old_follower_address in a.recipients,
 712         where: a.id > ^since,
 713         update: [
 714           set: [
 715             recipients:
 716               fragment(
 717                 "array_replace(?,?,?)",
 718                 a.recipients,
 719                 ^old_follower_address,
 720                 ^user.follower_address
 721               )
 722           ]
 723         ]
 724       )
 725
 726     Repo.update_all(q, [])
 727   end
 728
 729   def upgrade_user_from_ap_id(ap_id, async \\ true) do
 730     with %User{local: false} = user <- User.get_by_ap_id(ap_id),
 731          {:ok, data} <- ActivityPub.fetch_and_prepare_user_from_ap_id(ap_id) do
 732       data =
 733         data
 734         |> Map.put(:info, Map.merge(user.info, data[:info]))
 735
 736       already_ap = User.ap_enabled?(user)
 737
 738       {:ok, user} =
 739         User.upgrade_changeset(user, data)
 740         |> Repo.update()
 741
 742       if !already_ap do
 743         # This could potentially take a long time, do it in the background
 744         if async do
 745           Task.start(fn ->
 746             user_upgrade_task(user)
 747           end)
 748         else
 749           user_upgrade_task(user)
 750         end
 751       end
 752
 753       {:ok, user}
 754     else
 755       e -> e
 756     end
 757   end
 758
 759   def maybe_retire_websub(ap_id) do
 760     # some sanity checks
 761     if is_binary(ap_id) && String.length(ap_id) > 8 do
 762       q =
 763         from(
 764           ws in Pleroma.Web.Websub.WebsubClientSubscription,
 765           where: fragment("? like ?", ws.topic, ^"#{ap_id}%")
 766         )
 767
 768       Repo.delete_all(q)
 769     end
 770   end
 771
 772   def maybe_fix_user_url(data) do
 773     if is_map(data["url"]) do
 774       Map.put(data, "url", data["url"]["href"])
 775     else
 776       data
 777     end
 778   end
 779
 780   def maybe_fix_user_object(data) do
 781     data
 782     |> maybe_fix_user_url
 783   end
 784 end