user.ex 19.9 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
lain's avatar
lain committed
7
  alias Pleroma.Web.{OStatus, Websub}
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

lain's avatar
lain committed
45
  def ap_id(%User{nickname: nickname}) do
lain's avatar
lain committed
46
    "#{Web.base_url()}/users/#{nickname}"
lain's avatar
lain committed
47 48 49 50 51
  end

  def ap_followers(%User{} = user) do
    "#{ap_id(user)}/followers"
  end
lain's avatar
lain committed
52 53 54 55 56 57 58

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

59 60 61 62 63 64
  def info_changeset(struct, params \\ %{}) do
    struct
    |> cast(params, [:info])
    |> validate_required([:info])
  end

lain's avatar
lain committed
65
  def user_info(%User{} = user) do
66
    oneself = if user.local, do: 1, else: 0
lain's avatar
lain committed
67

lain's avatar
lain committed
68
    %{
69
      following_count: length(user.following) - oneself,
70
      note_count: user.info["note_count"] || 0,
71
      follower_count: user.info["follower_count"] || 0,
72 73
      locked: user.info["locked"] || false,
      default_scope: user.info["default_scope"] || "public"
lain's avatar
lain committed
74 75 76
    }
  end

lain's avatar
lain committed
77 78
  @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
79 80 81
    changes =
      %User{}
      |> cast(params, [:bio, :name, :ap_id, :nickname, :info, :avatar])
82
      |> validate_required([:name, :ap_id])
lain's avatar
lain committed
83 84 85 86 87 88
      |> unique_constraint(:nickname)
      |> validate_format(:nickname, @email_regex)
      |> validate_length(:bio, max: 5000)
      |> validate_length(:name, max: 100)
      |> put_change(:local, false)

89
    if changes.valid? do
lain's avatar
lain committed
90 91 92 93
      case changes.changes[:info]["source_data"] do
        %{"followers" => followers} ->
          changes
          |> put_change(:follower_address, followers)
lain's avatar
lain committed
94

lain's avatar
lain committed
95 96
        _ ->
          followers = User.ap_followers(%User{nickname: changes.changes[:nickname]})
lain's avatar
lain committed
97

lain's avatar
lain committed
98 99 100
          changes
          |> put_change(:follower_address, followers)
      end
101 102 103
    else
      changes
    end
lain's avatar
lain committed
104 105
  end

lain's avatar
lain committed
106
  def update_changeset(struct, params \\ %{}) do
Thog's avatar
Thog committed
107
    struct
lain's avatar
lain committed
108 109 110
    |> cast(params, [:bio, :name])
    |> unique_constraint(:nickname)
    |> validate_format(:nickname, ~r/^[a-zA-Z\d]+$/)
lain's avatar
lain committed
111
    |> validate_length(:bio, max: 5000)
lain's avatar
lain committed
112 113 114
    |> validate_length(:name, min: 1, max: 100)
  end

lain's avatar
lain committed
115
  def upgrade_changeset(struct, params \\ %{}) do
116 117 118 119
    params =
      params
      |> Map.put(:last_refreshed_at, NaiveDateTime.utc_now())

lain's avatar
lain committed
120
    struct
121
    |> cast(params, [:bio, :name, :info, :follower_address, :avatar, :last_refreshed_at])
lain's avatar
lain committed
122 123
    |> unique_constraint(:nickname)
    |> validate_format(:nickname, ~r/^[a-zA-Z\d]+$/)
lain's avatar
lain committed
124 125
    |> validate_length(:bio, max: 5000)
    |> validate_length(:name, max: 100)
lain's avatar
lain committed
126 127
  end

Roger Braun's avatar
Roger Braun committed
128
  def password_update_changeset(struct, params) do
lain's avatar
lain committed
129 130 131 132 133
    changeset =
      struct
      |> cast(params, [:password, :password_confirmation])
      |> validate_required([:password, :password_confirmation])
      |> validate_confirmation(:password)
Roger Braun's avatar
Roger Braun committed
134 135 136

    if changeset.valid? do
      hashed = Pbkdf2.hashpwsalt(changeset.changes[:password])
lain's avatar
lain committed
137

Roger Braun's avatar
Roger Braun committed
138 139 140 141 142 143 144 145
      changeset
      |> put_change(:password_hash, hashed)
    else
      changeset
    end
  end

  def reset_password(user, data) do
lain's avatar
lain committed
146
    update_and_set_cache(password_update_changeset(user, data))
Roger Braun's avatar
Roger Braun committed
147 148
  end

lain's avatar
lain committed
149
  def register_changeset(struct, params \\ %{}) do
lain's avatar
lain committed
150 151 152 153 154 155 156 157 158 159 160
    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
161 162

    if changeset.valid? do
163
      hashed = Pbkdf2.hashpwsalt(changeset.changes[:password])
lain's avatar
lain committed
164 165
      ap_id = User.ap_id(%User{nickname: changeset.changes[:nickname]})
      followers = User.ap_followers(%User{nickname: changeset.changes[:nickname]})
lain's avatar
lain committed
166

lain's avatar
lain committed
167 168 169 170
      changeset
      |> put_change(:password_hash, hashed)
      |> put_change(:ap_id, ap_id)
      |> put_change(:following, [followers])
171
      |> put_change(:follower_address, followers)
lain's avatar
lain committed
172 173 174 175 176
    else
      changeset
    end
  end

177 178 179 180 181 182 183 184 185 186
  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

187 188 189 190 191 192 193 194 195
  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
196
    if !User.ap_enabled?(followed) do
197
      follow(follower, followed)
198 199 200 201 202 203 204 205
    else
      {:ok, follower}
    end
  end

  def maybe_follow(%User{} = follower, %User{info: info} = followed) do
    if not following?(follower, followed) do
      follow(follower, followed)
206
    else
207
      {:ok, follower}
208 209 210
    end
  end

lain's avatar
lain committed
211
  def follow(%User{} = follower, %User{info: info} = followed) do
212 213
    user_config = Application.get_env(:pleroma, :user)
    deny_follow_blocked = Keyword.get(user_config, :deny_follow_blocked)
214

215
    ap_followers = followed.follower_address
216

217 218 219
    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
220

221
      deny_follow_blocked and blocks?(followed, follower) ->
222
        {:error, "Could not follow user: #{followed.nickname} blocked you."}
lain's avatar
lain committed
223

224 225 226 227 228 229 230 231
      true ->
        if !followed.local && follower.local && !ap_enabled?(followed) do
          Websub.subscribe(follower, followed)
        end

        following =
          [ap_followers | follower.following]
          |> Enum.uniq()
232

233 234 235 236
        follower =
          follower
          |> follow_changeset(%{following: following})
          |> update_and_set_cache
237

238 239 240
        {:ok, _} = update_follower_count(followed)

        follower
241
    end
lain's avatar
lain committed
242
  end
lain's avatar
lain committed
243 244

  def unfollow(%User{} = follower, %User{} = followed) do
245
    ap_followers = followed.follower_address
lain's avatar
lain committed
246

247
    if following?(follower, followed) and follower.ap_id != followed.ap_id do
lain's avatar
lain committed
248 249 250
      following =
        follower.following
        |> List.delete(ap_followers)
lain's avatar
lain committed
251

lain's avatar
lain committed
252 253 254 255
      {:ok, follower} =
        follower
        |> follow_changeset(%{following: following})
        |> update_and_set_cache
256 257 258 259

      {:ok, followed} = update_follower_count(followed)

      {:ok, follower, Utils.fetch_latest_follow(follower, followed)}
260
    else
261
      {:error, "Not subscribed!"}
262
    end
lain's avatar
lain committed
263
  end
264 265

  def following?(%User{} = follower, %User{} = followed) do
266
    Enum.member?(follower.following, followed.follower_address)
267
  end
lain's avatar
lain committed
268

269 270 271 272
  def locked?(%User{} = user) do
    user.info["locked"] || false
  end

lain's avatar
lain committed
273 274 275 276
  def get_by_ap_id(ap_id) do
    Repo.get_by(User, ap_id: ap_id)
  end

lain's avatar
lain committed
277 278
  def update_and_set_cache(changeset) do
    with {:ok, user} <- Repo.update(changeset) do
Thog's avatar
Thog committed
279 280 281
      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
282 283 284 285 286 287
      {:ok, user}
    else
      e -> e
    end
  end

lain's avatar
lain committed
288 289 290 291 292
  def invalidate_cache(user) do
    Cachex.del(:user_cache, "ap_id:#{user.ap_id}")
    Cachex.del(:user_cache, "nickname:#{user.nickname}")
  end

lain's avatar
lain committed
293
  def get_cached_by_ap_id(ap_id) do
294
    key = "ap_id:#{ap_id}"
Thog's avatar
Thog committed
295
    Cachex.fetch!(:user_cache, key, fn _ -> get_by_ap_id(ap_id) end)
lain's avatar
lain committed
296 297 298
  end

  def get_cached_by_nickname(nickname) do
299
    key = "nickname:#{nickname}"
Thog's avatar
Thog committed
300
    Cachex.fetch!(:user_cache, key, fn _ -> get_or_fetch_by_nickname(nickname) end)
lain's avatar
lain committed
301
  end
lain's avatar
lain committed
302

lain's avatar
lain committed
303
  def get_by_nickname(nickname) do
304 305 306
    Repo.get_by(User, nickname: nickname)
  end

307 308 309 310 311 312 313
  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
314 315
  def get_cached_user_info(user) do
    key = "user_info:#{user.id}"
Thog's avatar
Thog committed
316
    Cachex.fetch!(:user_cache, key, fn _ -> user_info(user) end)
lain's avatar
lain committed
317
  end
lain's avatar
lain committed
318

lain's avatar
lain committed
319 320 321 322 323 324 325 326 327
  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
328
  def get_or_fetch_by_nickname(nickname) do
lain's avatar
lain committed
329
    with %User{} = user <- get_by_nickname(nickname) do
lain's avatar
lain committed
330
      user
lain's avatar
lain committed
331 332 333 334 335 336 337 338
    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
339
    end
lain's avatar
lain committed
340
  end
lain's avatar
lain committed
341

342 343 344 345 346 347 348 349 350 351
  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
352 353 354 355

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

356 357 358 359 360 361 362 363 364 365
  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
366 367 368

    {:ok, Repo.all(q)}
  end
369

370 371 372
  def get_follow_requests_query(%User{} = user) do
    from(
      a in Activity,
kaniini's avatar
kaniini committed
373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388
      where:
        fragment(
          "? ->> 'type' = 'Follow'",
          a.data
        ),
      where:
        fragment(
          "? ->> 'state' = 'pending'",
          a.data
        ),
      where:
        fragment(
          "? @> ?",
          a.data,
          ^%{"object" => user.ap_id}
        )
389 390 391 392 393 394 395 396
    )
  end

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

    users =
kaniini's avatar
kaniini committed
397 398 399
      Enum.map(reqs, fn req -> req.actor end)
      |> Enum.uniq()
      |> Enum.map(fn ap_id -> get_by_ap_id(ap_id) end)
400
      |> Enum.filter(fn u -> !following?(u, user) end)
401 402 403 404

    {:ok, users}
  end

405 406 407 408 409 410
  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
411
    update_and_set_cache(cs)
412 413
  end

414
  def decrease_note_count(%User{} = user) do
dashie's avatar
dashie committed
415
    note_count = user.info["note_count"] || 0
416 417 418 419 420 421 422 423
    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

424
  def update_note_count(%User{} = user) do
lain's avatar
lain committed
425 426 427 428 429 430
    note_count_query =
      from(
        a in Object,
        where: fragment("?->>'actor' = ? and ?->>'type' = 'Note'", a.data, ^user.ap_id, a.data),
        select: count(a.id)
      )
431 432 433 434 435 436 437

    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
438
    update_and_set_cache(cs)
439 440 441
  end

  def update_follower_count(%User{} = user) do
lain's avatar
lain committed
442 443 444 445 446 447 448
    follower_count_query =
      from(
        u in User,
        where: ^user.follower_address in u.following,
        where: u.id != ^user.id,
        select: count(u.id)
      )
449 450 451 452 453 454 455

    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
456
    update_and_set_cache(cs)
457
  end
458

459 460 461 462 463 464 465 466 467
  def get_notified_from_activity_query(to) do
    from(
      u in User,
      where: u.ap_id in ^to,
      where: u.local == true
    )
  end

  def get_notified_from_activity(%Activity{recipients: to, data: %{"type" => "Announce"} = data}) do
468
    object = Object.normalize(data["object"])
469
    actor = User.get_cached_by_ap_id(data["actor"])
470 471 472

    # ensure that the actor who published the announced object appears only once
    to =
473
      if actor.nickname != nil do
kaniini's avatar
kaniini committed
474
        to ++ [object.data["actor"]]
475 476 477
      else
        to
      end
478 479 480 481 482 483 484
      |> Enum.uniq()

    query = get_notified_from_activity_query(to)

    Repo.all(query)
  end

485
  def get_notified_from_activity(%Activity{recipients: to}) do
486
    query = get_notified_from_activity_query(to)
487 488 489

    Repo.all(query)
  end
lain's avatar
lain committed
490

491
  def get_recipients_from_activity(%Activity{recipients: to}) do
lain's avatar
lain committed
492 493 494 495 496 497
    query =
      from(
        u in User,
        where: u.ap_id in ^to,
        or_where: fragment("? && ?", u.following, ^to)
      )
498

lain's avatar
lain committed
499
    query = from(u in query, where: u.local == true)
500

501 502 503
    Repo.all(query)
  end

lain's avatar
lain committed
504
  def search(query, resolve) do
505 506 507
    # strip the beginning @ off if there is a query
    query = String.trim_leading(query, "@")

lain's avatar
lain committed
508 509 510
    if resolve do
      User.get_or_fetch_by_nickname(query)
    end
lain's avatar
lain committed
511

lain's avatar
lain committed
512
    inner =
lain's avatar
lain committed
513 514
      from(
        u in User,
lain's avatar
lain committed
515
        select_merge: %{
kaniini's avatar
kaniini committed
516 517 518 519 520 521 522
          search_distance:
            fragment(
              "? <-> (? || ?)",
              ^query,
              u.nickname,
              u.name
            )
523 524
        },
        where: not is_nil(u.nickname)
lain's avatar
lain committed
525 526
      )

kaniini's avatar
kaniini committed
527 528 529 530 531 532
    q =
      from(
        s in subquery(inner),
        order_by: s.search_distance,
        limit: 20
      )
lain's avatar
lain committed
533

lain's avatar
lain committed
534 535
    Repo.all(q)
  end
lain's avatar
lain committed
536

537 538 539 540 541 542 543 544 545 546 547 548 549 550 551
  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
552
    new_blocks = Enum.uniq([ap_id | blocks])
553
    new_info = Map.put(blocker.info, "blocks", new_blocks)
lain's avatar
lain committed
554

555
    cs = User.info_changeset(blocker, %{info: new_info})
lain's avatar
lain committed
556
    update_and_set_cache(cs)
lain's avatar
lain committed
557 558
  end

559 560 561 562 563
  # 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
564 565 566 567 568 569
  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
570
    update_and_set_cache(cs)
lain's avatar
lain committed
571 572 573 574
  end

  def blocks?(user, %{ap_id: ap_id}) do
    blocks = user.info["blocks"] || []
eal's avatar
eal committed
575 576
    domain_blocks = user.info["domain_blocks"] || []
    %{host: host} = URI.parse(ap_id)
eal's avatar
eal committed
577 578 579 580 581

    Enum.member?(blocks, ap_id) ||
      Enum.any?(domain_blocks, fn domain ->
        host == domain
      end)
eal's avatar
eal committed
582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599
  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
600 601
  end

lain's avatar
lain committed
602
  def local_user_query() do
603 604 605 606 607
    from(
      u in User,
      where: u.local == true,
      where: not is_nil(u.nickname)
    )
lain's avatar
lain committed
608 609
  end

kaniini's avatar
kaniini committed
610 611 612 613 614 615 616 617
  def moderator_user_query() do
    from(
      u in User,
      where: u.local == true,
      where: fragment("?->'is_moderator' @> 'true'", u.info)
    )
  end

lain's avatar
lain committed
618
  def deactivate(%User{} = user) do
lain's avatar
lain committed
619 620
    new_info = Map.put(user.info, "deactivated", true)
    cs = User.info_changeset(user, %{info: new_info})
lain's avatar
lain committed
621
    update_and_set_cache(cs)
lain's avatar
lain committed
622
  end
lain's avatar
lain committed
623

lain's avatar
lain committed
624
  def delete(%User{} = user) do
lain's avatar
lain committed
625 626 627
    {:ok, user} = User.deactivate(user)

    # Remove all relationships
lain's avatar
lain committed
628 629
    {:ok, followers} = User.get_followers(user)

lain's avatar
lain committed
630
    followers
lain's avatar
lain committed
631
    |> Enum.each(fn follower -> User.unfollow(follower, user) end)
lain's avatar
lain committed
632 633

    {:ok, friends} = User.get_friends(user)
lain's avatar
lain committed
634

lain's avatar
lain committed
635
    friends
lain's avatar
lain committed
636
    |> Enum.each(fn followed -> User.unfollow(user, followed) end)
lain's avatar
lain committed
637

lain's avatar
lain committed
638
    query = from(a in Activity, where: a.actor == ^user.ap_id)
lain's avatar
lain committed
639 640

    Repo.all(query)
lain's avatar
lain committed
641
    |> Enum.each(fn activity ->
lain's avatar
lain committed
642
      case activity.data["type"] do
lain's avatar
lain committed
643
        "Create" ->
644
          ActivityPub.delete(Object.normalize(activity.data["object"]))
lain's avatar
lain committed
645 646 647 648

        # TODO: Do something with likes, follows, repeats.
        _ ->
          "Doing nothing"
lain's avatar
lain committed
649 650 651
      end
    end)

lain's avatar
lain committed
652 653
    :ok
  end
654

kaniini's avatar
kaniini committed
655 656 657 658 659 660
  def html_filter_policy(%User{info: %{"no_rich_text" => true}}) do
    Pleroma.HTML.Scrubber.TwitterText
  end

  def html_filter_policy(_), do: nil

661
  def get_or_fetch_by_ap_id(ap_id) do
662 663 664
    user = get_by_ap_id(ap_id)

    if !is_nil(user) and !User.needs_update?(user) do
665 666
      user
    else
lain's avatar
lain committed
667 668 669
      ap_try = ActivityPub.make_user_from_ap_id(ap_id)

      case ap_try do
lain's avatar
lain committed
670 671 672
        {:ok, user} ->
          user

lain's avatar
lain committed
673 674 675
        _ ->
          case OStatus.make_user(ap_id) do
            {:ok, user} -> user
feld's avatar
feld committed
676
            _ -> {:error, "Could not fetch by AP id"}
lain's avatar
lain committed
677
          end
678 679 680 681
      end
    end
  end

682
  def get_or_create_instance_user do
683 684 685
    relay_uri = "#{Pleroma.Web.Endpoint.url()}/relay"

    if user = get_by_ap_id(relay_uri) do
686 687 688 689 690
      user
    else
      changes =
        %User{}
        |> cast(%{}, [:ap_id, :nickname, :local])
691
        |> put_change(:ap_id, relay_uri)
692 693
        |> put_change(:nickname, nil)
        |> put_change(:local, true)
694
        |> put_change(:follower_address, relay_uri <> "/followers")
695 696 697 698 699 700

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

701
  # AP style
lain's avatar
lain committed
702 703 704 705 706 707 708
  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()
709

lain's avatar
lain committed
710
    {:ok, key}
711 712 713 714 715 716 717
  end

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

718
  def get_public_key_for_ap_id(ap_id) do
719 720
    with %User{} = user <- get_or_fetch_by_ap_id(ap_id),
         {:ok, public_key} <- public_key_from_info(user.info) do
721 722 723 724 725
      {:ok, public_key}
    else
      _ -> :error
    end
  end
lain's avatar
lain committed
726

727 728 729
  defp blank?(""), do: nil
  defp blank?(n), do: n

lain's avatar
lain committed
730
  def insert_or_update_user(data) do
lain's avatar
lain committed
731 732 733 734
    data =
      data
      |> Map.put(:name, blank?(data[:name]) || data[:nickname])

lain's avatar
lain committed
735 736 737
    cs = User.remote_user_creation(data)
    Repo.insert(cs, on_conflict: :replace_all, conflict_target: :nickname)
  end
738

739
  def ap_enabled?(%User{local: true}), do: true
740
  def ap_enabled?(%User{info: info}), do: info["ap_enabled"]
lain's avatar
lain committed
741
  def ap_enabled?(_), do: false
lain's avatar
lain committed
742 743 744 745 746 747 748 749

  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
750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773

  # 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
774
end