user.ex 20.3 KB
Newer Older
lain's avatar
lain committed
1 2
defmodule Pleroma.User do
  use Ecto.Schema
3

4
  import Ecto.{Changeset, Query}
5
  alias Pleroma.{Repo, User, Object, Web, Activity, Notification}
6
  alias Comeonin.Pbkdf2
7
  alias Pleroma.Web.{OStatus, Websub, OAuth}
lain's avatar
lain committed
8
  alias Pleroma.Web.ActivityPub.{Utils, ActivityPub}
lain's avatar
lain committed
9 10

  schema "users" do
lain's avatar
lain committed
11 12 13 14 15 16 17 18 19 20 21 22 23
    field(:bio, :string)
    field(:email, :string)
    field(:name, :string)
    field(:nickname, :string)
    field(:password_hash, :string)
    field(:password, :string, virtual: true)
    field(:password_confirmation, :string, virtual: true)
    field(:following, {:array, :string}, default: [])
    field(:ap_id, :string)
    field(:avatar, :map)
    field(:local, :boolean, default: true)
    field(:info, :map, default: %{})
    field(:follower_address, :string)
lain's avatar
lain committed
24
    field(:search_distance, :float, virtual: true)
25
    field(:last_refreshed_at, :naive_datetime)
lain's avatar
lain committed
26
    has_many(:notifications, Notification)
lain's avatar
lain committed
27 28 29

    timestamps()
  end
lain's avatar
lain committed
30

lain's avatar
lain committed
31 32 33
  def avatar_url(user) do
    case user.avatar do
      %{"url" => [%{"href" => href} | _]} -> href
34
      _ -> "#{Web.base_url()}/images/avi.png"
lain's avatar
lain committed
35 36 37
    end
  end

lain's avatar
lain committed
38 39 40
  def banner_url(user) do
    case user.info["banner"] do
      %{"url" => [%{"href" => href} | _]} -> href
41
      _ -> "#{Web.base_url()}/images/banner.png"
lain's avatar
lain committed
42 43 44
    end
  end

45 46 47 48
  def profile_url(%User{info: %{"source_data" => %{"url" => url}}}), do: url
  def profile_url(%User{ap_id: ap_id}), do: ap_id
  def profile_url(_), do: nil

lain's avatar
lain committed
49
  def ap_id(%User{nickname: nickname}) do
lain's avatar
lain committed
50
    "#{Web.base_url()}/users/#{nickname}"
lain's avatar
lain committed
51 52 53 54 55
  end

  def ap_followers(%User{} = user) do
    "#{ap_id(user)}/followers"
  end
lain's avatar
lain committed
56 57 58 59 60 61 62

  def follow_changeset(struct, params \\ %{}) do
    struct
    |> cast(params, [:following])
    |> validate_required([:following])
  end

63 64 65 66 67 68
  def info_changeset(struct, params \\ %{}) do
    struct
    |> cast(params, [:info])
    |> validate_required([:info])
  end

lain's avatar
lain committed
69
  def user_info(%User{} = user) do
70
    oneself = if user.local, do: 1, else: 0
lain's avatar
lain committed
71

lain's avatar
lain committed
72
    %{
73
      following_count: length(user.following) - oneself,
74
      note_count: user.info["note_count"] || 0,
75
      follower_count: user.info["follower_count"] || 0,
76 77
      locked: user.info["locked"] || false,
      default_scope: user.info["default_scope"] || "public"
lain's avatar
lain committed
78 79 80
    }
  end

lain's avatar
lain committed
81 82
  @email_regex ~r/^[a-zA-Z0-9.!#$%&'*+\/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$/
  def remote_user_creation(params) do
lain's avatar
lain committed
83 84 85
    changes =
      %User{}
      |> cast(params, [:bio, :name, :ap_id, :nickname, :info, :avatar])
86
      |> validate_required([:name, :ap_id])
lain's avatar
lain committed
87 88 89 90 91 92
      |> unique_constraint(:nickname)
      |> validate_format(:nickname, @email_regex)
      |> validate_length(:bio, max: 5000)
      |> validate_length(:name, max: 100)
      |> put_change(:local, false)

93
    if changes.valid? do
lain's avatar
lain committed
94 95 96 97
      case changes.changes[:info]["source_data"] do
        %{"followers" => followers} ->
          changes
          |> put_change(:follower_address, followers)
lain's avatar
lain committed
98

lain's avatar
lain committed
99 100
        _ ->
          followers = User.ap_followers(%User{nickname: changes.changes[:nickname]})
lain's avatar
lain committed
101

lain's avatar
lain committed
102 103 104
          changes
          |> put_change(:follower_address, followers)
      end
105 106 107
    else
      changes
    end
lain's avatar
lain committed
108 109
  end

lain's avatar
lain committed
110
  def update_changeset(struct, params \\ %{}) do
Thog's avatar
Thog committed
111
    struct
lain's avatar
lain committed
112 113 114
    |> cast(params, [:bio, :name])
    |> unique_constraint(:nickname)
    |> validate_format(:nickname, ~r/^[a-zA-Z\d]+$/)
lain's avatar
lain committed
115
    |> validate_length(:bio, max: 5000)
lain's avatar
lain committed
116 117 118
    |> validate_length(:name, min: 1, max: 100)
  end

lain's avatar
lain committed
119
  def upgrade_changeset(struct, params \\ %{}) do
120 121 122 123
    params =
      params
      |> Map.put(:last_refreshed_at, NaiveDateTime.utc_now())

lain's avatar
lain committed
124
    struct
125
    |> cast(params, [:bio, :name, :info, :follower_address, :avatar, :last_refreshed_at])
lain's avatar
lain committed
126 127
    |> unique_constraint(:nickname)
    |> validate_format(:nickname, ~r/^[a-zA-Z\d]+$/)
lain's avatar
lain committed
128 129
    |> validate_length(:bio, max: 5000)
    |> validate_length(:name, max: 100)
lain's avatar
lain committed
130 131
  end

Roger Braun's avatar
Roger Braun committed
132
  def password_update_changeset(struct, params) do
lain's avatar
lain committed
133 134 135 136 137
    changeset =
      struct
      |> cast(params, [:password, :password_confirmation])
      |> validate_required([:password, :password_confirmation])
      |> validate_confirmation(:password)
Roger Braun's avatar
Roger Braun committed
138

139 140 141
    OAuth.Token.delete_user_tokens(struct)
    OAuth.Authorization.delete_user_authorizations(struct)

Roger Braun's avatar
Roger Braun committed
142 143
    if changeset.valid? do
      hashed = Pbkdf2.hashpwsalt(changeset.changes[:password])
lain's avatar
lain committed
144

Roger Braun's avatar
Roger Braun committed
145 146 147 148 149 150 151 152
      changeset
      |> put_change(:password_hash, hashed)
    else
      changeset
    end
  end

  def reset_password(user, data) do
lain's avatar
lain committed
153
    update_and_set_cache(password_update_changeset(user, data))
Roger Braun's avatar
Roger Braun committed
154 155
  end

lain's avatar
lain committed
156
  def register_changeset(struct, params \\ %{}) do
lain's avatar
lain committed
157 158 159 160 161 162 163 164 165 166 167
    changeset =
      struct
      |> cast(params, [:bio, :email, :name, :nickname, :password, :password_confirmation])
      |> validate_required([:email, :name, :nickname, :password, :password_confirmation])
      |> validate_confirmation(:password)
      |> unique_constraint(:email)
      |> unique_constraint(:nickname)
      |> validate_format(:nickname, ~r/^[a-zA-Z\d]+$/)
      |> validate_format(:email, @email_regex)
      |> validate_length(:bio, max: 1000)
      |> validate_length(:name, min: 1, max: 100)
lain's avatar
lain committed
168 169

    if changeset.valid? do
170
      hashed = Pbkdf2.hashpwsalt(changeset.changes[:password])
lain's avatar
lain committed
171 172
      ap_id = User.ap_id(%User{nickname: changeset.changes[:nickname]})
      followers = User.ap_followers(%User{nickname: changeset.changes[:nickname]})
lain's avatar
lain committed
173

lain's avatar
lain committed
174 175 176 177
      changeset
      |> put_change(:password_hash, hashed)
      |> put_change(:ap_id, ap_id)
      |> put_change(:following, [followers])
178
      |> put_change(:follower_address, followers)
lain's avatar
lain committed
179 180 181 182 183
    else
      changeset
    end
  end

184 185 186 187 188 189 190 191 192 193
  def needs_update?(%User{local: true}), do: false

  def needs_update?(%User{local: false, last_refreshed_at: nil}), do: true

  def needs_update?(%User{local: false} = user) do
    NaiveDateTime.diff(NaiveDateTime.utc_now(), user.last_refreshed_at) >= 86400
  end

  def needs_update?(_), do: true

194 195 196 197 198 199 200 201 202
  def maybe_direct_follow(%User{} = follower, %User{local: true, info: %{"locked" => true}}) do
    {:ok, follower}
  end

  def maybe_direct_follow(%User{} = follower, %User{local: true} = followed) do
    follow(follower, followed)
  end

  def maybe_direct_follow(%User{} = follower, %User{} = followed) do
203
    if !User.ap_enabled?(followed) do
204
      follow(follower, followed)
205 206 207 208 209 210 211 212
    else
      {:ok, follower}
    end
  end

  def maybe_follow(%User{} = follower, %User{info: info} = followed) do
    if not following?(follower, followed) do
      follow(follower, followed)
213
    else
214
      {:ok, follower}
215 216 217
    end
  end

lain's avatar
lain committed
218
  def follow(%User{} = follower, %User{info: info} = followed) do
219 220
    user_config = Application.get_env(:pleroma, :user)
    deny_follow_blocked = Keyword.get(user_config, :deny_follow_blocked)
221

222
    ap_followers = followed.follower_address
223

224 225 226
    cond do
      following?(follower, followed) or info["deactivated"] ->
        {:error, "Could not follow user: #{followed.nickname} is already on your list."}
lain's avatar
lain committed
227

228
      deny_follow_blocked and blocks?(followed, follower) ->
229
        {:error, "Could not follow user: #{followed.nickname} blocked you."}
lain's avatar
lain committed
230

231 232 233 234 235 236 237 238
      true ->
        if !followed.local && follower.local && !ap_enabled?(followed) do
          Websub.subscribe(follower, followed)
        end

        following =
          [ap_followers | follower.following]
          |> Enum.uniq()
239

240 241 242 243
        follower =
          follower
          |> follow_changeset(%{following: following})
          |> update_and_set_cache
244

245 246 247
        {:ok, _} = update_follower_count(followed)

        follower
248
    end
lain's avatar
lain committed
249
  end
lain's avatar
lain committed
250 251

  def unfollow(%User{} = follower, %User{} = followed) do
252
    ap_followers = followed.follower_address
lain's avatar
lain committed
253

254
    if following?(follower, followed) and follower.ap_id != followed.ap_id do
lain's avatar
lain committed
255 256 257
      following =
        follower.following
        |> List.delete(ap_followers)
lain's avatar
lain committed
258

lain's avatar
lain committed
259 260 261 262
      {:ok, follower} =
        follower
        |> follow_changeset(%{following: following})
        |> update_and_set_cache
263 264 265 266

      {:ok, followed} = update_follower_count(followed)

      {:ok, follower, Utils.fetch_latest_follow(follower, followed)}
267
    else
268
      {:error, "Not subscribed!"}
269
    end
lain's avatar
lain committed
270
  end
271 272

  def following?(%User{} = follower, %User{} = followed) do
273
    Enum.member?(follower.following, followed.follower_address)
274
  end
lain's avatar
lain committed
275

276 277 278 279
  def locked?(%User{} = user) do
    user.info["locked"] || false
  end

lain's avatar
lain committed
280 281 282 283
  def get_by_ap_id(ap_id) do
    Repo.get_by(User, ap_id: ap_id)
  end

lain's avatar
lain committed
284 285
  def update_and_set_cache(changeset) do
    with {:ok, user} <- Repo.update(changeset) do
Thog's avatar
Thog committed
286 287 288
      Cachex.put(:user_cache, "ap_id:#{user.ap_id}", user)
      Cachex.put(:user_cache, "nickname:#{user.nickname}", user)
      Cachex.put(:user_cache, "user_info:#{user.id}", user_info(user))
lain's avatar
lain committed
289 290 291 292 293 294
      {:ok, user}
    else
      e -> e
    end
  end

lain's avatar
lain committed
295 296 297
  def invalidate_cache(user) do
    Cachex.del(:user_cache, "ap_id:#{user.ap_id}")
    Cachex.del(:user_cache, "nickname:#{user.nickname}")
298
    Cachex.del(:user_cache, "user_info:#{user.id}")
lain's avatar
lain committed
299 300
  end

lain's avatar
lain committed
301
  def get_cached_by_ap_id(ap_id) do
302
    key = "ap_id:#{ap_id}"
Thog's avatar
Thog committed
303
    Cachex.fetch!(:user_cache, key, fn _ -> get_by_ap_id(ap_id) end)
lain's avatar
lain committed
304 305 306
  end

  def get_cached_by_nickname(nickname) do
307
    key = "nickname:#{nickname}"
Thog's avatar
Thog committed
308
    Cachex.fetch!(:user_cache, key, fn _ -> get_or_fetch_by_nickname(nickname) end)
lain's avatar
lain committed
309
  end
lain's avatar
lain committed
310

lain's avatar
lain committed
311
  def get_by_nickname(nickname) do
312 313 314
    Repo.get_by(User, nickname: nickname)
  end

315 316 317 318 319 320 321
  def get_by_nickname_or_email(nickname_or_email) do
    case user = Repo.get_by(User, nickname: nickname_or_email) do
      %User{} -> user
      nil -> Repo.get_by(User, email: nickname_or_email)
    end
  end

lain's avatar
lain committed
322 323
  def get_cached_user_info(user) do
    key = "user_info:#{user.id}"
Thog's avatar
Thog committed
324
    Cachex.fetch!(:user_cache, key, fn _ -> user_info(user) end)
lain's avatar
lain committed
325
  end
lain's avatar
lain committed
326

lain's avatar
lain committed
327 328 329 330 331 332 333 334 335
  def fetch_by_nickname(nickname) do
    ap_try = ActivityPub.make_user_from_nickname(nickname)

    case ap_try do
      {:ok, user} -> {:ok, user}
      _ -> OStatus.make_user(nickname)
    end
  end

lain's avatar
lain committed
336
  def get_or_fetch_by_nickname(nickname) do
lain's avatar
lain committed
337
    with %User{} = user <- get_by_nickname(nickname) do
lain's avatar
lain committed
338
      user
lain's avatar
lain committed
339 340 341 342 343 344 345 346
    else
      _e ->
        with [_nick, _domain] <- String.split(nickname, "@"),
             {:ok, user} <- fetch_by_nickname(nickname) do
          user
        else
          _e -> nil
        end
lain's avatar
lain committed
347
    end
lain's avatar
lain committed
348
  end
lain's avatar
lain committed
349

350 351 352 353 354 355 356 357 358 359
  def get_followers_query(%User{id: id, follower_address: follower_address}) do
    from(
      u in User,
      where: fragment("? <@ ?", ^[follower_address], u.following),
      where: u.id != ^id
    )
  end

  def get_followers(user) do
    q = get_followers_query(user)
lain's avatar
lain committed
360 361 362 363

    {:ok, Repo.all(q)}
  end

364 365 366 367 368 369 370 371 372 373
  def get_friends_query(%User{id: id, following: following}) do
    from(
      u in User,
      where: u.follower_address in ^following,
      where: u.id != ^id
    )
  end

  def get_friends(user) do
    q = get_friends_query(user)
lain's avatar
lain committed
374 375 376

    {:ok, Repo.all(q)}
  end
377

378 379 380
  def get_follow_requests_query(%User{} = user) do
    from(
      a in Activity,
kaniini's avatar
kaniini committed
381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396
      where:
        fragment(
          "? ->> 'type' = 'Follow'",
          a.data
        ),
      where:
        fragment(
          "? ->> 'state' = 'pending'",
          a.data
        ),
      where:
        fragment(
          "? @> ?",
          a.data,
          ^%{"object" => user.ap_id}
        )
397 398 399 400 401 402 403 404
    )
  end

  def get_follow_requests(%User{} = user) do
    q = get_follow_requests_query(user)
    reqs = Repo.all(q)

    users =
kaniini's avatar
kaniini committed
405 406 407
      Enum.map(reqs, fn req -> req.actor end)
      |> Enum.uniq()
      |> Enum.map(fn ap_id -> get_by_ap_id(ap_id) end)
408
      |> Enum.filter(fn u -> !following?(u, user) end)
409 410 411 412

    {:ok, users}
  end

413 414 415 416 417 418
  def increase_note_count(%User{} = user) do
    note_count = (user.info["note_count"] || 0) + 1
    new_info = Map.put(user.info, "note_count", note_count)

    cs = info_changeset(user, %{info: new_info})

lain's avatar
lain committed
419
    update_and_set_cache(cs)
420 421
  end

422
  def decrease_note_count(%User{} = user) do
dashie's avatar
dashie committed
423
    note_count = user.info["note_count"] || 0
424 425 426 427 428 429 430 431
    note_count = if note_count <= 0, do: 0, else: note_count - 1
    new_info = Map.put(user.info, "note_count", note_count)

    cs = info_changeset(user, %{info: new_info})

    update_and_set_cache(cs)
  end

432
  def update_note_count(%User{} = user) do
lain's avatar
lain committed
433 434 435 436 437 438
    note_count_query =
      from(
        a in Object,
        where: fragment("?->>'actor' = ? and ?->>'type' = 'Note'", a.data, ^user.ap_id, a.data),
        select: count(a.id)
      )
439 440 441 442 443 444 445

    note_count = Repo.one(note_count_query)

    new_info = Map.put(user.info, "note_count", note_count)

    cs = info_changeset(user, %{info: new_info})

lain's avatar
lain committed
446
    update_and_set_cache(cs)
447 448 449
  end

  def update_follower_count(%User{} = user) do
lain's avatar
lain committed
450 451 452 453 454 455 456
    follower_count_query =
      from(
        u in User,
        where: ^user.follower_address in u.following,
        where: u.id != ^user.id,
        select: count(u.id)
      )
457 458 459 460 461 462 463

    follower_count = Repo.one(follower_count_query)

    new_info = Map.put(user.info, "follower_count", follower_count)

    cs = info_changeset(user, %{info: new_info})

lain's avatar
lain committed
464
    update_and_set_cache(cs)
465
  end
466

467 468 469 470 471 472 473 474
  def get_notified_from_activity_query(to) do
    from(
      u in User,
      where: u.ap_id in ^to,
      where: u.local == true
    )
  end

475
  def get_notified_from_activity(%Activity{data: %{"type" => "Announce", "to" => to} = data}) do
476
    object = Object.normalize(data["object"])
477
    actor = User.get_cached_by_ap_id(data["actor"])
478 479 480

    # ensure that the actor who published the announced object appears only once
    to =
481
      if actor.nickname != nil do
kaniini's avatar
kaniini committed
482
        to ++ [object.data["actor"]]
483 484 485
      else
        to
      end
486 487 488 489 490 491 492
      |> Enum.uniq()

    query = get_notified_from_activity_query(to)

    Repo.all(query)
  end

493
  def get_notified_from_activity(%Activity{data: %{"to" => to}}) do
494
    query = get_notified_from_activity_query(to)
495 496 497

    Repo.all(query)
  end
lain's avatar
lain committed
498

499 500
  def get_notified_from_activity(_), do: []

501
  def get_recipients_from_activity(%Activity{recipients: to}) do
lain's avatar
lain committed
502 503 504 505 506 507
    query =
      from(
        u in User,
        where: u.ap_id in ^to,
        or_where: fragment("? && ?", u.following, ^to)
      )
508

lain's avatar
lain committed
509
    query = from(u in query, where: u.local == true)
510

511 512 513
    Repo.all(query)
  end

lain's avatar
lain committed
514
  def search(query, resolve) do
515 516 517
    # strip the beginning @ off if there is a query
    query = String.trim_leading(query, "@")

lain's avatar
lain committed
518 519 520
    if resolve do
      User.get_or_fetch_by_nickname(query)
    end
lain's avatar
lain committed
521

lain's avatar
lain committed
522
    inner =
lain's avatar
lain committed
523 524
      from(
        u in User,
lain's avatar
lain committed
525
        select_merge: %{
kaniini's avatar
kaniini committed
526 527 528 529 530 531 532
          search_distance:
            fragment(
              "? <-> (? || ?)",
              ^query,
              u.nickname,
              u.name
            )
533 534
        },
        where: not is_nil(u.nickname)
lain's avatar
lain committed
535 536
      )

kaniini's avatar
kaniini committed
537 538 539 540 541 542
    q =
      from(
        s in subquery(inner),
        order_by: s.search_distance,
        limit: 20
      )
lain's avatar
lain committed
543

lain's avatar
lain committed
544 545
    Repo.all(q)
  end
lain's avatar
lain committed
546

547 548 549 550 551 552 553 554 555 556 557 558 559 560 561
  def block(blocker, %User{ap_id: ap_id} = blocked) do
    # sever any follow relationships to prevent leaks per activitypub (Pleroma issue #213)
    blocker =
      if following?(blocker, blocked) do
        {:ok, blocker, _} = unfollow(blocker, blocked)
        blocker
      else
        blocker
      end

    if following?(blocked, blocker) do
      unfollow(blocked, blocker)
    end

    blocks = blocker.info["blocks"] || []
lain's avatar
lain committed
562
    new_blocks = Enum.uniq([ap_id | blocks])
563
    new_info = Map.put(blocker.info, "blocks", new_blocks)
lain's avatar
lain committed
564

565
    cs = User.info_changeset(blocker, %{info: new_info})
lain's avatar
lain committed
566
    update_and_set_cache(cs)
lain's avatar
lain committed
567 568
  end

569 570 571 572 573
  # helper to handle the block given only an actor's AP id
  def block(blocker, %{ap_id: ap_id}) do
    block(blocker, User.get_by_ap_id(ap_id))
  end

lain's avatar
lain committed
574 575 576 577 578 579
  def unblock(user, %{ap_id: ap_id}) do
    blocks = user.info["blocks"] || []
    new_blocks = List.delete(blocks, ap_id)
    new_info = Map.put(user.info, "blocks", new_blocks)

    cs = User.info_changeset(user, %{info: new_info})
lain's avatar
lain committed
580
    update_and_set_cache(cs)
lain's avatar
lain committed
581 582 583 584
  end

  def blocks?(user, %{ap_id: ap_id}) do
    blocks = user.info["blocks"] || []
eal's avatar
eal committed
585 586
    domain_blocks = user.info["domain_blocks"] || []
    %{host: host} = URI.parse(ap_id)
eal's avatar
eal committed
587 588 589 590 591

    Enum.member?(blocks, ap_id) ||
      Enum.any?(domain_blocks, fn domain ->
        host == domain
      end)
eal's avatar
eal committed
592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609
  end

  def block_domain(user, domain) do
    domain_blocks = user.info["domain_blocks"] || []
    new_blocks = Enum.uniq([domain | domain_blocks])
    new_info = Map.put(user.info, "domain_blocks", new_blocks)

    cs = User.info_changeset(user, %{info: new_info})
    update_and_set_cache(cs)
  end

  def unblock_domain(user, domain) do
    blocks = user.info["domain_blocks"] || []
    new_blocks = List.delete(blocks, domain)
    new_info = Map.put(user.info, "domain_blocks", new_blocks)

    cs = User.info_changeset(user, %{info: new_info})
    update_and_set_cache(cs)
lain's avatar
lain committed
610 611
  end

lain's avatar
lain committed
612
  def local_user_query() do
613 614 615 616 617
    from(
      u in User,
      where: u.local == true,
      where: not is_nil(u.nickname)
    )
lain's avatar
lain committed
618 619
  end

kaniini's avatar
kaniini committed
620 621 622 623 624 625 626 627
  def moderator_user_query() do
    from(
      u in User,
      where: u.local == true,
      where: fragment("?->'is_moderator' @> 'true'", u.info)
    )
  end

scarlett's avatar
scarlett committed
628 629
  def deactivate(%User{} = user, status \\ true) do
    new_info = Map.put(user.info, "deactivated", status)
lain's avatar
lain committed
630
    cs = User.info_changeset(user, %{info: new_info})
lain's avatar
lain committed
631
    update_and_set_cache(cs)
lain's avatar
lain committed
632
  end
lain's avatar
lain committed
633

lain's avatar
lain committed
634
  def delete(%User{} = user) do
lain's avatar
lain committed
635 636 637
    {:ok, user} = User.deactivate(user)

    # Remove all relationships
lain's avatar
lain committed
638 639
    {:ok, followers} = User.get_followers(user)

lain's avatar
lain committed
640
    followers
lain's avatar
lain committed
641
    |> Enum.each(fn follower -> User.unfollow(follower, user) end)
lain's avatar
lain committed
642 643

    {:ok, friends} = User.get_friends(user)
lain's avatar
lain committed
644

lain's avatar
lain committed
645
    friends
lain's avatar
lain committed
646
    |> Enum.each(fn followed -> User.unfollow(user, followed) end)
lain's avatar
lain committed
647

lain's avatar
lain committed
648
    query = from(a in Activity, where: a.actor == ^user.ap_id)
lain's avatar
lain committed
649 650

    Repo.all(query)
lain's avatar
lain committed
651
    |> Enum.each(fn activity ->
lain's avatar
lain committed
652
      case activity.data["type"] do
lain's avatar
lain committed
653
        "Create" ->
654
          ActivityPub.delete(Object.normalize(activity.data["object"]))
lain's avatar
lain committed
655 656 657 658

        # TODO: Do something with likes, follows, repeats.
        _ ->
          "Doing nothing"
lain's avatar
lain committed
659 660 661
      end
    end)

662
    {:ok, user}
lain's avatar
lain committed
663
  end
664

kaniini's avatar
kaniini committed
665 666 667 668 669 670
  def html_filter_policy(%User{info: %{"no_rich_text" => true}}) do
    Pleroma.HTML.Scrubber.TwitterText
  end

  def html_filter_policy(_), do: nil

671
  def get_or_fetch_by_ap_id(ap_id) do
672 673 674
    user = get_by_ap_id(ap_id)

    if !is_nil(user) and !User.needs_update?(user) do
675 676
      user
    else
lain's avatar
lain committed
677 678 679
      ap_try = ActivityPub.make_user_from_ap_id(ap_id)

      case ap_try do
lain's avatar
lain committed
680 681 682
        {:ok, user} ->
          user

lain's avatar
lain committed
683 684 685
        _ ->
          case OStatus.make_user(ap_id) do
            {:ok, user} -> user
feld's avatar
feld committed
686
            _ -> {:error, "Could not fetch by AP id"}
lain's avatar
lain committed
687
          end
688 689 690 691
      end
    end
  end

692
  def get_or_create_instance_user do
693 694 695
    relay_uri = "#{Pleroma.Web.Endpoint.url()}/relay"

    if user = get_by_ap_id(relay_uri) do
696 697 698 699 700
      user
    else
      changes =
        %User{}
        |> cast(%{}, [:ap_id, :nickname, :local])
701
        |> put_change(:ap_id, relay_uri)
702 703
        |> put_change(:nickname, nil)
        |> put_change(:local, true)
704
        |> put_change(:follower_address, relay_uri <> "/followers")
705 706 707 708 709 710

      {:ok, user} = Repo.insert(changes)
      user
    end
  end

711
  # AP style
lain's avatar
lain committed
712 713 714 715 716 717 718
  def public_key_from_info(%{
        "source_data" => %{"publicKey" => %{"publicKeyPem" => public_key_pem}}
      }) do
    key =
      :public_key.pem_decode(public_key_pem)
      |> hd()
      |> :public_key.pem_entry_decode()
719

lain's avatar
lain committed
720
    {:ok, key}
721 722 723 724 725 726 727
  end

  # OStatus Magic Key
  def public_key_from_info(%{"magic_key" => magic_key}) do
    {:ok, Pleroma.Web.Salmon.decode_key(magic_key)}
  end

728
  def get_public_key_for_ap_id(ap_id) do
729 730
    with %User{} = user <- get_or_fetch_by_ap_id(ap_id),
         {:ok, public_key} <- public_key_from_info(user.info) do
731 732 733 734 735
      {:ok, public_key}
    else
      _ -> :error
    end
  end
lain's avatar
lain committed
736

737 738 739
  defp blank?(""), do: nil
  defp blank?(n), do: n

lain's avatar
lain committed
740
  def insert_or_update_user(data) do
lain's avatar
lain committed
741 742 743 744
    data =
      data
      |> Map.put(:name, blank?(data[:name]) || data[:nickname])

lain's avatar
lain committed
745 746 747
    cs = User.remote_user_creation(data)
    Repo.insert(cs, on_conflict: :replace_all, conflict_target: :nickname)
  end
748

749
  def ap_enabled?(%User{local: true}), do: true
750
  def ap_enabled?(%User{info: info}), do: info["ap_enabled"]
lain's avatar
lain committed
751
  def ap_enabled?(_), do: false
lain's avatar
lain committed
752 753 754 755 756 757 758 759

  def get_or_fetch(uri_or_nickname) do
    if String.starts_with?(uri_or_nickname, "http") do
      get_or_fetch_by_ap_id(uri_or_nickname)
    else
      get_or_fetch_by_nickname(uri_or_nickname)
    end
  end
760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783

  # wait a period of time and return newest version of the User structs
  # this is because we have synchronous follow APIs and need to simulate them
  # with an async handshake
  def wait_and_refresh(_, %User{local: true} = a, %User{local: true} = b) do
    with %User{} = a <- Repo.get(User, a.id),
         %User{} = b <- Repo.get(User, b.id) do
      {:ok, a, b}
    else
      _e ->
        :error
    end
  end

  def wait_and_refresh(timeout, %User{} = a, %User{} = b) do
    with :ok <- :timer.sleep(timeout),
         %User{} = a <- Repo.get(User, a.id),
         %User{} = b <- Repo.get(User, b.id) do
      {:ok, a, b}
    else
      _e ->
        :error
    end
  end
lain's avatar
lain committed
784
end