user.ex 19.8 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
    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(:follower_address, :string)
lain's avatar
lain committed
23
    field(:search_distance, :float, virtual: true)
24
    field(:last_refreshed_at, :naive_datetime)
lain's avatar
lain committed
25
    has_many(:notifications, Notification)
lain's avatar
lain committed
26
    embeds_one :info, Pleroma.User.Info
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,
lain's avatar
lain committed
74 75 76 77
      note_count: user.info.note_count,
      follower_count: user.info.follower_count,
      locked: user.info.locked,
      default_scope: user.info.default_scope
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
  def increase_note_count(%User{} = user) do
lain's avatar
lain committed
414 415 416
    info_cng = User.Info.add_to_note_count(user.info, 1)
    cng = change(user)
    |> put_embed(:info, info_cng)
417

lain's avatar
lain committed
418
    update_and_set_cache(cng)
419 420
  end

421
  def decrease_note_count(%User{} = user) do
lain's avatar
lain committed
422 423 424
    info_cng = User.Info.add_to_note_count(user.info, -1)
    cng = change(user)
    |> put_embed(:info, info_cng)
425

lain's avatar
lain committed
426
    update_and_set_cache(cng)
427 428
  end

429
  def update_note_count(%User{} = user) do
lain's avatar
lain committed
430 431 432 433 434 435
    note_count_query =
      from(
        a in Object,
        where: fragment("?->>'actor' = ? and ?->>'type' = 'Note'", a.data, ^user.ap_id, a.data),
        select: count(a.id)
      )
436 437 438 439 440 441 442

    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
443
    update_and_set_cache(cs)
444 445 446
  end

  def update_follower_count(%User{} = user) do
lain's avatar
lain committed
447 448 449 450 451 452 453
    follower_count_query =
      from(
        u in User,
        where: ^user.follower_address in u.following,
        where: u.id != ^user.id,
        select: count(u.id)
      )
454 455 456

    follower_count = Repo.one(follower_count_query)

lain's avatar
lain committed
457 458
    info_cng = user.info
    |> User.Info.set_follower_count(follower_count)
459

lain's avatar
lain committed
460 461
    cng = change(user)
    |> put_embed(:info, info_cng)
462

lain's avatar
lain committed
463
    update_and_set_cache(cng)
464
  end
465

466
  def get_users_from_set_query(ap_ids, false) do
467 468
    from(
      u in User,
469
      where: u.ap_id in ^ap_ids
470 471 472
    )
  end

473 474
  def get_users_from_set_query(ap_ids, true) do
    query = get_users_from_set_query(ap_ids, false)
475 476 477

    from(
      u in query,
478 479 480 481
      where: u.local == true
    )
  end

482 483 484 485 486
  def get_users_from_set(ap_ids, local_only \\ true) do
    get_users_from_set_query(ap_ids, local_only)
    |> Repo.all()
  end

487
  def get_recipients_from_activity(%Activity{recipients: to}) do
lain's avatar
lain committed
488 489 490 491 492 493
    query =
      from(
        u in User,
        where: u.ap_id in ^to,
        or_where: fragment("? && ?", u.following, ^to)
      )
494

lain's avatar
lain committed
495
    query = from(u in query, where: u.local == true)
496

497 498 499
    Repo.all(query)
  end

500
  def search(query, resolve \\ false) do
501 502 503
    # strip the beginning @ off if there is a query
    query = String.trim_leading(query, "@")

lain's avatar
lain committed
504 505 506
    if resolve do
      User.get_or_fetch_by_nickname(query)
    end
lain's avatar
lain committed
507

lain's avatar
lain committed
508
    inner =
lain's avatar
lain committed
509 510
      from(
        u in User,
lain's avatar
lain committed
511
        select_merge: %{
kaniini's avatar
kaniini committed
512 513 514 515 516 517 518
          search_distance:
            fragment(
              "? <-> (? || ?)",
              ^query,
              u.nickname,
              u.name
            )
519 520
        },
        where: not is_nil(u.nickname)
lain's avatar
lain committed
521 522
      )

kaniini's avatar
kaniini committed
523 524 525 526 527 528
    q =
      from(
        s in subquery(inner),
        order_by: s.search_distance,
        limit: 20
      )
lain's avatar
lain committed
529

lain's avatar
lain committed
530 531
    Repo.all(q)
  end
lain's avatar
lain committed
532

533 534 535 536 537 538 539 540 541 542 543 544 545 546 547
  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
548
    new_blocks = Enum.uniq([ap_id | blocks])
549
    new_info = Map.put(blocker.info, "blocks", new_blocks)
lain's avatar
lain committed
550

551
    cs = User.info_changeset(blocker, %{info: new_info})
lain's avatar
lain committed
552
    update_and_set_cache(cs)
lain's avatar
lain committed
553 554
  end

555 556 557 558 559
  # 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
560 561 562 563 564 565
  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
566
    update_and_set_cache(cs)
lain's avatar
lain committed
567 568 569 570
  end

  def blocks?(user, %{ap_id: ap_id}) do
    blocks = user.info["blocks"] || []
eal's avatar
eal committed
571 572
    domain_blocks = user.info["domain_blocks"] || []
    %{host: host} = URI.parse(ap_id)
eal's avatar
eal committed
573 574 575 576 577

    Enum.member?(blocks, ap_id) ||
      Enum.any?(domain_blocks, fn domain ->
        host == domain
      end)
eal's avatar
eal committed
578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595
  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
596 597
  end

lain's avatar
lain committed
598
  def local_user_query() do
599 600 601 602 603
    from(
      u in User,
      where: u.local == true,
      where: not is_nil(u.nickname)
    )
lain's avatar
lain committed
604 605
  end

kaniini's avatar
kaniini committed
606 607 608 609 610 611 612 613
  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
614
  def deactivate(%User{} = user, status \\ true) do
lain's avatar
lain committed
615 616 617 618 619
    info_cng = User.Info.set_activation_status(user.info, status)
    cng = change(user)
    |> put_embed(:info, info_cng)

    update_and_set_cache(cng)
lain's avatar
lain committed
620
  end
lain's avatar
lain committed
621

lain's avatar
lain committed
622
  def delete(%User{} = user) do
lain's avatar
lain committed
623 624 625
    {:ok, user} = User.deactivate(user)

    # Remove all relationships
lain's avatar
lain committed
626 627
    {:ok, followers} = User.get_followers(user)

lain's avatar
lain committed
628
    followers
lain's avatar
lain committed
629
    |> Enum.each(fn follower -> User.unfollow(follower, user) end)
lain's avatar
lain committed
630 631

    {:ok, friends} = User.get_friends(user)
lain's avatar
lain committed
632

lain's avatar
lain committed
633
    friends
lain's avatar
lain committed
634
    |> Enum.each(fn followed -> User.unfollow(user, followed) end)
lain's avatar
lain committed
635

lain's avatar
lain committed
636
    query = from(a in Activity, where: a.actor == ^user.ap_id)
lain's avatar
lain committed
637 638

    Repo.all(query)
lain's avatar
lain committed
639
    |> Enum.each(fn activity ->
lain's avatar
lain committed
640
      case activity.data["type"] do
lain's avatar
lain committed
641
        "Create" ->
642
          ActivityPub.delete(Object.normalize(activity.data["object"]))
lain's avatar
lain committed
643 644 645 646

        # TODO: Do something with likes, follows, repeats.
        _ ->
          "Doing nothing"
lain's avatar
lain committed
647 648 649
      end
    end)

650
    {:ok, user}
lain's avatar
lain committed
651
  end
652

kaniini's avatar
kaniini committed
653 654 655 656 657 658
  def html_filter_policy(%User{info: %{"no_rich_text" => true}}) do
    Pleroma.HTML.Scrubber.TwitterText
  end

  def html_filter_policy(_), do: nil

659
  def get_or_fetch_by_ap_id(ap_id) do
660 661 662
    user = get_by_ap_id(ap_id)

    if !is_nil(user) and !User.needs_update?(user) do
663 664
      user
    else
lain's avatar
lain committed
665 666 667
      ap_try = ActivityPub.make_user_from_ap_id(ap_id)

      case ap_try do
lain's avatar
lain committed
668 669 670
        {:ok, user} ->
          user

lain's avatar
lain committed
671 672 673
        _ ->
          case OStatus.make_user(ap_id) do
            {:ok, user} -> user
feld's avatar
feld committed
674
            _ -> {:error, "Could not fetch by AP id"}
lain's avatar
lain committed
675
          end
676 677 678 679
      end
    end
  end

680
  def get_or_create_instance_user do
681 682 683
    relay_uri = "#{Pleroma.Web.Endpoint.url()}/relay"

    if user = get_by_ap_id(relay_uri) do
684 685 686 687 688
      user
    else
      changes =
        %User{}
        |> cast(%{}, [:ap_id, :nickname, :local])
689
        |> put_change(:ap_id, relay_uri)
690 691
        |> put_change(:nickname, nil)
        |> put_change(:local, true)
692
        |> put_change(:follower_address, relay_uri <> "/followers")
693 694 695 696 697 698

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

699
  # AP style
lain's avatar
lain committed
700 701 702 703 704 705 706
  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()
707

lain's avatar
lain committed
708
    {:ok, key}
709 710 711 712 713 714 715
  end

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

716
  def get_public_key_for_ap_id(ap_id) do
717 718
    with %User{} = user <- get_or_fetch_by_ap_id(ap_id),
         {:ok, public_key} <- public_key_from_info(user.info) do
719 720 721 722 723
      {:ok, public_key}
    else
      _ -> :error
    end
  end
lain's avatar
lain committed
724

725 726 727
  defp blank?(""), do: nil
  defp blank?(n), do: n

lain's avatar
lain committed
728
  def insert_or_update_user(data) do
lain's avatar
lain committed
729 730 731 732
    data =
      data
      |> Map.put(:name, blank?(data[:name]) || data[:nickname])

lain's avatar
lain committed
733 734 735
    cs = User.remote_user_creation(data)
    Repo.insert(cs, on_conflict: :replace_all, conflict_target: :nickname)
  end
736

737
  def ap_enabled?(%User{local: true}), do: true
738
  def ap_enabled?(%User{info: info}), do: info["ap_enabled"]
lain's avatar
lain committed
739
  def ap_enabled?(_), do: false
lain's avatar
lain committed
740 741 742 743 744 745 746 747

  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
748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771

  # 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
772
end