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
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
  def maybe_direct_follow(%User{} = follower, %User{info: info} = followed) do
188 189
    user_config = Application.get_env(:pleroma, :user)
    deny_follow_blocked = Keyword.get(user_config, :deny_follow_blocked)
190

191 192 193 194 195
    user_info = user_info(followed)

    should_direct_follow =
      cond do
        # if the account is locked, don't pre-create the relationship
196
        user_info[:locked] == true ->
197 198 199
          false

        # if the users are blocking each other, we shouldn't even be here, but check for it anyway
200
        deny_follow_blocked and
squidboi's avatar
squidboi committed
201
            (User.blocks?(follower, followed) or User.blocks?(followed, follower)) ->
202 203 204 205 206 207 208 209 210 211 212 213 214
          false

        # if OStatus, then there is no three-way handshake to follow
        User.ap_enabled?(followed) != true ->
          true

        # if there are no other reasons not to, just pre-create the relationship
        true ->
          true
      end

    if should_direct_follow do
      follow(follower, followed)
215 216 217 218 219 220 221 222
    else
      {:ok, follower}
    end
  end

  def maybe_follow(%User{} = follower, %User{info: info} = followed) do
    if not following?(follower, followed) do
      follow(follower, followed)
223
    else
224
      {:ok, follower}
225 226 227
    end
  end

lain's avatar
lain committed
228
  def follow(%User{} = follower, %User{info: info} = followed) do
229 230
    user_config = Application.get_env(:pleroma, :user)
    deny_follow_blocked = Keyword.get(user_config, :deny_follow_blocked)
231

232
    ap_followers = followed.follower_address
233

234 235 236
    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
237

238
      deny_follow_blocked and blocks?(followed, follower) ->
239
        {:error, "Could not follow user: #{followed.nickname} blocked you."}
lain's avatar
lain committed
240

241 242 243 244 245 246 247 248
      true ->
        if !followed.local && follower.local && !ap_enabled?(followed) do
          Websub.subscribe(follower, followed)
        end

        following =
          [ap_followers | follower.following]
          |> Enum.uniq()
249

250 251 252 253
        follower =
          follower
          |> follow_changeset(%{following: following})
          |> update_and_set_cache
254

255 256 257
        {:ok, _} = update_follower_count(followed)

        follower
258
    end
lain's avatar
lain committed
259
  end
lain's avatar
lain committed
260 261

  def unfollow(%User{} = follower, %User{} = followed) do
262
    ap_followers = followed.follower_address
lain's avatar
lain committed
263

264
    if following?(follower, followed) and follower.ap_id != followed.ap_id do
lain's avatar
lain committed
265 266 267
      following =
        follower.following
        |> List.delete(ap_followers)
lain's avatar
lain committed
268

lain's avatar
lain committed
269 270 271 272
      {:ok, follower} =
        follower
        |> follow_changeset(%{following: following})
        |> update_and_set_cache
273 274 275 276

      {:ok, followed} = update_follower_count(followed)

      {:ok, follower, Utils.fetch_latest_follow(follower, followed)}
277
    else
278
      {:error, "Not subscribed!"}
279
    end
lain's avatar
lain committed
280
  end
281 282

  def following?(%User{} = follower, %User{} = followed) do
283
    Enum.member?(follower.following, followed.follower_address)
284
  end
lain's avatar
lain committed
285

286 287 288 289
  def locked?(%User{} = user) do
    user.info["locked"] || false
  end

lain's avatar
lain committed
290 291 292 293
  def get_by_ap_id(ap_id) do
    Repo.get_by(User, ap_id: ap_id)
  end

lain's avatar
lain committed
294 295
  def update_and_set_cache(changeset) do
    with {:ok, user} <- Repo.update(changeset) do
Thog's avatar
Thog committed
296 297 298
      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
299 300 301 302 303 304
      {:ok, user}
    else
      e -> e
    end
  end

lain's avatar
lain committed
305 306 307 308 309
  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
310
  def get_cached_by_ap_id(ap_id) do
311
    key = "ap_id:#{ap_id}"
Thog's avatar
Thog committed
312
    Cachex.fetch!(:user_cache, key, fn _ -> get_by_ap_id(ap_id) end)
lain's avatar
lain committed
313 314 315
  end

  def get_cached_by_nickname(nickname) do
316
    key = "nickname:#{nickname}"
Thog's avatar
Thog committed
317
    Cachex.fetch!(:user_cache, key, fn _ -> get_or_fetch_by_nickname(nickname) end)
lain's avatar
lain committed
318
  end
lain's avatar
lain committed
319

lain's avatar
lain committed
320
  def get_by_nickname(nickname) do
321 322 323
    Repo.get_by(User, nickname: nickname)
  end

324 325 326 327 328 329 330
  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
331 332
  def get_cached_user_info(user) do
    key = "user_info:#{user.id}"
Thog's avatar
Thog committed
333
    Cachex.fetch!(:user_cache, key, fn _ -> user_info(user) end)
lain's avatar
lain committed
334
  end
lain's avatar
lain committed
335

lain's avatar
lain committed
336 337 338 339 340 341 342 343 344
  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
345
  def get_or_fetch_by_nickname(nickname) do
lain's avatar
lain committed
346
    with %User{} = user <- get_by_nickname(nickname) do
lain's avatar
lain committed
347
      user
lain's avatar
lain committed
348 349 350 351 352 353 354 355
    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
356
    end
lain's avatar
lain committed
357
  end
lain's avatar
lain committed
358

359 360 361 362 363 364 365 366 367 368
  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
369 370 371 372

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

373 374 375 376 377 378 379 380 381 382
  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
383 384 385

    {:ok, Repo.all(q)}
  end
386

387 388 389
  def get_follow_requests_query(%User{} = user) do
    from(
      a in Activity,
kaniini's avatar
kaniini committed
390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405
      where:
        fragment(
          "? ->> 'type' = 'Follow'",
          a.data
        ),
      where:
        fragment(
          "? ->> 'state' = 'pending'",
          a.data
        ),
      where:
        fragment(
          "? @> ?",
          a.data,
          ^%{"object" => user.ap_id}
        )
406 407 408 409 410 411 412 413
    )
  end

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

    users =
kaniini's avatar
kaniini committed
414 415 416
      Enum.map(reqs, fn req -> req.actor end)
      |> Enum.uniq()
      |> Enum.map(fn ap_id -> get_by_ap_id(ap_id) end)
417
      |> Enum.filter(fn u -> !following?(u, user) end)
418 419 420 421

    {:ok, users}
  end

422 423 424 425 426 427
  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
428
    update_and_set_cache(cs)
429 430
  end

431
  def decrease_note_count(%User{} = user) do
dashie's avatar
dashie committed
432
    note_count = user.info["note_count"] || 0
433 434 435 436 437 438 439 440
    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

441
  def update_note_count(%User{} = user) do
lain's avatar
lain committed
442 443 444 445 446 447
    note_count_query =
      from(
        a in Object,
        where: fragment("?->>'actor' = ? and ?->>'type' = 'Note'", a.data, ^user.ap_id, a.data),
        select: count(a.id)
      )
448 449 450 451 452 453 454

    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
455
    update_and_set_cache(cs)
456 457 458
  end

  def update_follower_count(%User{} = user) do
lain's avatar
lain committed
459 460 461 462 463 464 465
    follower_count_query =
      from(
        u in User,
        where: ^user.follower_address in u.following,
        where: u.id != ^user.id,
        select: count(u.id)
      )
466 467 468 469 470 471 472

    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
473
    update_and_set_cache(cs)
474
  end
475

476 477 478 479 480 481 482 483 484
  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
485
    object = Object.normalize(data["object"])
486
    actor = User.get_cached_by_ap_id(data["actor"])
487 488 489

    # ensure that the actor who published the announced object appears only once
    to =
490
      if actor.nickname != nil do
kaniini's avatar
kaniini committed
491
        to ++ [object.data["actor"]]
492 493 494
      else
        to
      end
495 496 497 498 499 500 501
      |> Enum.uniq()

    query = get_notified_from_activity_query(to)

    Repo.all(query)
  end

502
  def get_notified_from_activity(%Activity{recipients: to}) do
503
    query = get_notified_from_activity_query(to)
504 505 506

    Repo.all(query)
  end
lain's avatar
lain committed
507

508
  def get_recipients_from_activity(%Activity{recipients: to}) do
lain's avatar
lain committed
509 510 511 512 513 514
    query =
      from(
        u in User,
        where: u.ap_id in ^to,
        or_where: fragment("? && ?", u.following, ^to)
      )
515

lain's avatar
lain committed
516
    query = from(u in query, where: u.local == true)
517

518 519 520
    Repo.all(query)
  end

lain's avatar
lain committed
521
  def search(query, resolve) do
522 523 524
    # strip the beginning @ off if there is a query
    query = String.trim_leading(query, "@")

lain's avatar
lain committed
525 526 527
    if resolve do
      User.get_or_fetch_by_nickname(query)
    end
lain's avatar
lain committed
528

lain's avatar
lain committed
529
    inner =
lain's avatar
lain committed
530 531
      from(
        u in User,
lain's avatar
lain committed
532
        select_merge: %{
kaniini's avatar
kaniini committed
533 534 535 536 537 538 539
          search_distance:
            fragment(
              "? <-> (? || ?)",
              ^query,
              u.nickname,
              u.name
            )
540 541
        },
        where: not is_nil(u.nickname)
lain's avatar
lain committed
542 543
      )

kaniini's avatar
kaniini committed
544 545 546 547 548 549
    q =
      from(
        s in subquery(inner),
        order_by: s.search_distance,
        limit: 20
      )
lain's avatar
lain committed
550

lain's avatar
lain committed
551 552
    Repo.all(q)
  end
lain's avatar
lain committed
553

554 555 556 557 558 559 560 561 562 563 564 565 566 567 568
  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
569
    new_blocks = Enum.uniq([ap_id | blocks])
570
    new_info = Map.put(blocker.info, "blocks", new_blocks)
lain's avatar
lain committed
571

572
    cs = User.info_changeset(blocker, %{info: new_info})
lain's avatar
lain committed
573
    update_and_set_cache(cs)
lain's avatar
lain committed
574 575
  end

576 577 578 579 580
  # 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
581 582 583 584 585 586
  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
587
    update_and_set_cache(cs)
lain's avatar
lain committed
588 589 590 591
  end

  def blocks?(user, %{ap_id: ap_id}) do
    blocks = user.info["blocks"] || []
eal's avatar
eal committed
592 593
    domain_blocks = user.info["domain_blocks"] || []
    %{host: host} = URI.parse(ap_id)
eal's avatar
eal committed
594 595 596 597 598

    Enum.member?(blocks, ap_id) ||
      Enum.any?(domain_blocks, fn domain ->
        host == domain
      end)
eal's avatar
eal committed
599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616
  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
617 618
  end

lain's avatar
lain committed
619
  def local_user_query() do
620 621 622 623 624
    from(
      u in User,
      where: u.local == true,
      where: not is_nil(u.nickname)
    )
lain's avatar
lain committed
625 626
  end

kaniini's avatar
kaniini committed
627 628 629 630 631 632 633 634
  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
635
  def deactivate(%User{} = user) do
lain's avatar
lain committed
636 637
    new_info = Map.put(user.info, "deactivated", true)
    cs = User.info_changeset(user, %{info: new_info})
lain's avatar
lain committed
638
    update_and_set_cache(cs)
lain's avatar
lain committed
639
  end
lain's avatar
lain committed
640

lain's avatar
lain committed
641
  def delete(%User{} = user) do
lain's avatar
lain committed
642 643 644
    {:ok, user} = User.deactivate(user)

    # Remove all relationships
lain's avatar
lain committed
645 646
    {:ok, followers} = User.get_followers(user)

lain's avatar
lain committed
647
    followers
lain's avatar
lain committed
648
    |> Enum.each(fn follower -> User.unfollow(follower, user) end)
lain's avatar
lain committed
649 650

    {:ok, friends} = User.get_friends(user)
lain's avatar
lain committed
651

lain's avatar
lain committed
652
    friends
lain's avatar
lain committed
653
    |> Enum.each(fn followed -> User.unfollow(user, followed) end)
lain's avatar
lain committed
654

lain's avatar
lain committed
655
    query = from(a in Activity, where: a.actor == ^user.ap_id)
lain's avatar
lain committed
656 657

    Repo.all(query)
lain's avatar
lain committed
658
    |> Enum.each(fn activity ->
lain's avatar
lain committed
659
      case activity.data["type"] do
lain's avatar
lain committed
660
        "Create" ->
661
          ActivityPub.delete(Object.normalize(activity.data["object"]))
lain's avatar
lain committed
662 663 664 665

        # TODO: Do something with likes, follows, repeats.
        _ ->
          "Doing nothing"
lain's avatar
lain committed
666 667 668
      end
    end)

lain's avatar
lain committed
669 670
    :ok
  end
671

kaniini's avatar
kaniini committed
672 673 674 675 676 677
  def html_filter_policy(%User{info: %{"no_rich_text" => true}}) do
    Pleroma.HTML.Scrubber.TwitterText
  end

  def html_filter_policy(_), do: nil

678
  def get_or_fetch_by_ap_id(ap_id) do
679 680 681
    user = get_by_ap_id(ap_id)

    if !is_nil(user) and !User.needs_update?(user) do
682 683
      user
    else
lain's avatar
lain committed
684 685 686
      ap_try = ActivityPub.make_user_from_ap_id(ap_id)

      case ap_try do
lain's avatar
lain committed
687 688 689
        {:ok, user} ->
          user

lain's avatar
lain committed
690 691 692
        _ ->
          case OStatus.make_user(ap_id) do
            {:ok, user} -> user
feld's avatar
feld committed
693
            _ -> {:error, "Could not fetch by AP id"}
lain's avatar
lain committed
694
          end
695 696 697 698
      end
    end
  end

699
  def get_or_create_instance_user do
700 701 702
    relay_uri = "#{Pleroma.Web.Endpoint.url()}/relay"

    if user = get_by_ap_id(relay_uri) do
703 704 705 706 707
      user
    else
      changes =
        %User{}
        |> cast(%{}, [:ap_id, :nickname, :local])
708
        |> put_change(:ap_id, relay_uri)
709 710
        |> put_change(:nickname, nil)
        |> put_change(:local, true)
711
        |> put_change(:follower_address, relay_uri <> "/followers")
712 713 714 715 716 717

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

718
  # AP style
lain's avatar
lain committed
719 720 721 722 723 724 725
  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()
726

lain's avatar
lain committed
727
    {:ok, key}
728 729 730 731 732 733 734
  end

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

735
  def get_public_key_for_ap_id(ap_id) do
736 737
    with %User{} = user <- get_or_fetch_by_ap_id(ap_id),
         {:ok, public_key} <- public_key_from_info(user.info) do
738 739 740 741 742
      {:ok, public_key}
    else
      _ -> :error
    end
  end
lain's avatar
lain committed
743

744 745 746
  defp blank?(""), do: nil
  defp blank?(n), do: n

lain's avatar
lain committed
747
  def insert_or_update_user(data) do
lain's avatar
lain committed
748 749 750 751
    data =
      data
      |> Map.put(:name, blank?(data[:name]) || data[:nickname])

lain's avatar
lain committed
752 753 754
    cs = User.remote_user_creation(data)
    Repo.insert(cs, on_conflict: :replace_all, conflict_target: :nickname)
  end
755

756
  def ap_enabled?(%User{info: info}), do: info["ap_enabled"]
lain's avatar
lain committed
757
  def ap_enabled?(_), do: false
lain's avatar
lain committed
758 759 760 761 762 763 764 765

  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
lain's avatar
lain committed
766
end