user.ex 13.9 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 24
    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)
    has_many(:notifications, Notification)
lain's avatar
lain committed
25 26 27

    timestamps()
  end
lain's avatar
lain committed
28

lain's avatar
lain committed
29 30 31
  def avatar_url(user) do
    case user.avatar do
      %{"url" => [%{"href" => href} | _]} -> href
32
      _ -> "#{Web.base_url()}/images/avi.png"
lain's avatar
lain committed
33 34 35
    end
  end

lain's avatar
lain committed
36 37 38
  def banner_url(user) do
    case user.info["banner"] do
      %{"url" => [%{"href" => href} | _]} -> href
39
      _ -> "#{Web.base_url()}/images/banner.png"
lain's avatar
lain committed
40 41 42
    end
  end

lain's avatar
lain committed
43
  def ap_id(%User{nickname: nickname}) do
lain's avatar
lain committed
44
    "#{Web.base_url()}/users/#{nickname}"
lain's avatar
lain committed
45 46 47 48 49
  end

  def ap_followers(%User{} = user) do
    "#{ap_id(user)}/followers"
  end
lain's avatar
lain committed
50 51 52 53 54 55 56

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

57 58 59 60 61 62
  def info_changeset(struct, params \\ %{}) do
    struct
    |> cast(params, [:info])
    |> validate_required([:info])
  end

lain's avatar
lain committed
63
  def user_info(%User{} = user) do
64
    oneself = if user.local, do: 1, else: 0
lain's avatar
lain committed
65

lain's avatar
lain committed
66
    %{
67
      following_count: length(user.following) - oneself,
68 69
      note_count: user.info["note_count"] || 0,
      follower_count: user.info["follower_count"] || 0
lain's avatar
lain committed
70 71 72
    }
  end

lain's avatar
lain committed
73 74
  @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
75 76 77 78 79 80 81 82 83 84
    changes =
      %User{}
      |> cast(params, [:bio, :name, :ap_id, :nickname, :info, :avatar])
      |> validate_required([:name, :ap_id, :nickname])
      |> unique_constraint(:nickname)
      |> validate_format(:nickname, @email_regex)
      |> validate_length(:bio, max: 5000)
      |> validate_length(:name, max: 100)
      |> put_change(:local, false)

85
    if changes.valid? do
lain's avatar
lain committed
86 87 88 89
      case changes.changes[:info]["source_data"] do
        %{"followers" => followers} ->
          changes
          |> put_change(:follower_address, followers)
lain's avatar
lain committed
90

lain's avatar
lain committed
91 92
        _ ->
          followers = User.ap_followers(%User{nickname: changes.changes[:nickname]})
lain's avatar
lain committed
93

lain's avatar
lain committed
94 95 96
          changes
          |> put_change(:follower_address, followers)
      end
97 98 99
    else
      changes
    end
lain's avatar
lain committed
100 101
  end

lain's avatar
lain committed
102
  def update_changeset(struct, params \\ %{}) do
Thog's avatar
Thog committed
103
    struct
lain's avatar
lain committed
104 105 106
    |> cast(params, [:bio, :name])
    |> unique_constraint(:nickname)
    |> validate_format(:nickname, ~r/^[a-zA-Z\d]+$/)
vaartis's avatar
vaartis committed
107
    |> validate_length(:bio, max: 1000)
lain's avatar
lain committed
108 109 110
    |> validate_length(:name, min: 1, max: 100)
  end

lain's avatar
lain committed
111 112
  def upgrade_changeset(struct, params \\ %{}) do
    struct
lain's avatar
lain committed
113
    |> cast(params, [:bio, :name, :info, :follower_address, :avatar])
lain's avatar
lain committed
114 115
    |> unique_constraint(:nickname)
    |> validate_format(:nickname, ~r/^[a-zA-Z\d]+$/)
lain's avatar
lain committed
116 117
    |> validate_length(:bio, max: 5000)
    |> validate_length(:name, max: 100)
lain's avatar
lain committed
118 119
  end

Roger Braun's avatar
Roger Braun committed
120
  def password_update_changeset(struct, params) do
lain's avatar
lain committed
121 122 123 124 125
    changeset =
      struct
      |> cast(params, [:password, :password_confirmation])
      |> validate_required([:password, :password_confirmation])
      |> validate_confirmation(:password)
Roger Braun's avatar
Roger Braun committed
126 127 128

    if changeset.valid? do
      hashed = Pbkdf2.hashpwsalt(changeset.changes[:password])
lain's avatar
lain committed
129

Roger Braun's avatar
Roger Braun committed
130 131 132 133 134 135 136 137
      changeset
      |> put_change(:password_hash, hashed)
    else
      changeset
    end
  end

  def reset_password(user, data) do
lain's avatar
lain committed
138
    update_and_set_cache(password_update_changeset(user, data))
Roger Braun's avatar
Roger Braun committed
139 140
  end

lain's avatar
lain committed
141
  def register_changeset(struct, params \\ %{}) do
lain's avatar
lain committed
142 143 144 145 146 147 148 149 150 151 152
    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
153 154

    if changeset.valid? do
155
      hashed = Pbkdf2.hashpwsalt(changeset.changes[:password])
lain's avatar
lain committed
156 157
      ap_id = User.ap_id(%User{nickname: changeset.changes[:nickname]})
      followers = User.ap_followers(%User{nickname: changeset.changes[:nickname]})
lain's avatar
lain committed
158

lain's avatar
lain committed
159 160 161 162
      changeset
      |> put_change(:password_hash, hashed)
      |> put_change(:ap_id, ap_id)
      |> put_change(:following, [followers])
163
      |> put_change(:follower_address, followers)
lain's avatar
lain committed
164 165 166 167 168
    else
      changeset
    end
  end

lain's avatar
lain committed
169
  def follow(%User{} = follower, %User{info: info} = followed) do
170
    ap_followers = followed.follower_address
171

lain's avatar
lain committed
172
    if following?(follower, followed) or info["deactivated"] do
lain's avatar
lain committed
173
      {:error, "Could not follow user: #{followed.nickname} is already on your list."}
174
    else
175
      if !followed.local && follower.local && !ap_enabled?(followed) do
lain's avatar
lain committed
176 177 178
        Websub.subscribe(follower, followed)
      end

lain's avatar
lain committed
179 180 181
      following =
        [ap_followers | follower.following]
        |> Enum.uniq()
lain's avatar
lain committed
182

lain's avatar
lain committed
183 184 185 186
      follower =
        follower
        |> follow_changeset(%{following: following})
        |> update_and_set_cache
187

Thog's avatar
Thog committed
188
      {:ok, _} = update_follower_count(followed)
189 190

      follower
191
    end
lain's avatar
lain committed
192
  end
lain's avatar
lain committed
193 194

  def unfollow(%User{} = follower, %User{} = followed) do
195
    ap_followers = followed.follower_address
lain's avatar
lain committed
196

197
    if following?(follower, followed) and follower.ap_id != followed.ap_id do
lain's avatar
lain committed
198 199 200
      following =
        follower.following
        |> List.delete(ap_followers)
lain's avatar
lain committed
201

lain's avatar
lain committed
202 203 204 205
      {:ok, follower} =
        follower
        |> follow_changeset(%{following: following})
        |> update_and_set_cache
206 207 208 209

      {:ok, followed} = update_follower_count(followed)

      {:ok, follower, Utils.fetch_latest_follow(follower, followed)}
210
    else
211
      {:error, "Not subscribed!"}
212
    end
lain's avatar
lain committed
213
  end
214 215

  def following?(%User{} = follower, %User{} = followed) do
216
    Enum.member?(follower.following, followed.follower_address)
217
  end
lain's avatar
lain committed
218

lain's avatar
lain committed
219 220 221 222
  def get_by_ap_id(ap_id) do
    Repo.get_by(User, ap_id: ap_id)
  end

lain's avatar
lain committed
223 224 225 226 227 228 229 230 231 232 233
  def update_and_set_cache(changeset) do
    with {:ok, user} <- Repo.update(changeset) do
      Cachex.set(:user_cache, "ap_id:#{user.ap_id}", user)
      Cachex.set(:user_cache, "nickname:#{user.nickname}", user)
      Cachex.set(:user_cache, "user_info:#{user.id}", user_info(user))
      {:ok, user}
    else
      e -> e
    end
  end

lain's avatar
lain committed
234 235 236 237 238
  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
239
  def get_cached_by_ap_id(ap_id) do
240
    key = "ap_id:#{ap_id}"
lain's avatar
lain committed
241
    Cachex.get!(:user_cache, key, fallback: fn _ -> get_by_ap_id(ap_id) end)
lain's avatar
lain committed
242 243 244
  end

  def get_cached_by_nickname(nickname) do
245
    key = "nickname:#{nickname}"
lain's avatar
lain committed
246
    Cachex.get!(:user_cache, key, fallback: fn _ -> get_or_fetch_by_nickname(nickname) end)
lain's avatar
lain committed
247
  end
lain's avatar
lain committed
248

lain's avatar
lain committed
249
  def get_by_nickname(nickname) do
250 251 252
    Repo.get_by(User, nickname: nickname)
  end

253 254 255 256 257 258 259
  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
260 261
  def get_cached_user_info(user) do
    key = "user_info:#{user.id}"
lain's avatar
lain committed
262
    Cachex.get!(:user_cache, key, fallback: fn _ -> user_info(user) end)
lain's avatar
lain committed
263
  end
lain's avatar
lain committed
264

lain's avatar
lain committed
265 266 267 268 269 270 271 272 273
  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
274
  def get_or_fetch_by_nickname(nickname) do
lain's avatar
lain committed
275
    with %User{} = user <- get_by_nickname(nickname) do
lain's avatar
lain committed
276
      user
lain's avatar
lain committed
277 278 279 280 281 282 283 284
    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
285
    end
lain's avatar
lain committed
286
  end
lain's avatar
lain committed
287

288 289 290 291 292 293 294 295 296 297
  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
298 299 300 301

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

302 303 304 305 306 307 308 309 310 311
  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
312 313 314

    {:ok, Repo.all(q)}
  end
315

316 317 318 319 320 321
  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
322
    update_and_set_cache(cs)
323 324
  end

325
  def update_note_count(%User{} = user) do
lain's avatar
lain committed
326 327 328 329 330 331
    note_count_query =
      from(
        a in Object,
        where: fragment("?->>'actor' = ? and ?->>'type' = 'Note'", a.data, ^user.ap_id, a.data),
        select: count(a.id)
      )
332 333 334 335 336 337 338

    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
339
    update_and_set_cache(cs)
340 341 342
  end

  def update_follower_count(%User{} = user) do
lain's avatar
lain committed
343 344 345 346 347 348 349
    follower_count_query =
      from(
        u in User,
        where: ^user.follower_address in u.following,
        where: u.id != ^user.id,
        select: count(u.id)
      )
350 351 352 353 354 355 356

    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
357
    update_and_set_cache(cs)
358
  end
359

360
  def get_notified_from_activity(%Activity{recipients: to}) do
lain's avatar
lain committed
361 362 363 364 365 366
    query =
      from(
        u in User,
        where: u.ap_id in ^to,
        where: u.local == true
      )
367 368 369

    Repo.all(query)
  end
lain's avatar
lain committed
370

371
  def get_recipients_from_activity(%Activity{recipients: to}) do
lain's avatar
lain committed
372 373 374 375 376 377
    query =
      from(
        u in User,
        where: u.ap_id in ^to,
        or_where: fragment("? && ?", u.following, ^to)
      )
378

lain's avatar
lain committed
379
    query = from(u in query, where: u.local == true)
380

381 382 383
    Repo.all(query)
  end

lain's avatar
lain committed
384
  def search(query, resolve) do
385 386 387
    # strip the beginning @ off if there is a query
    query = String.trim_leading(query, "@")

lain's avatar
lain committed
388 389 390
    if resolve do
      User.get_or_fetch_by_nickname(query)
    end
lain's avatar
lain committed
391 392 393 394 395 396 397 398 399 400 401 402 403 404

    q =
      from(
        u in User,
        where:
          fragment(
            "(to_tsvector('english', ?) || to_tsvector('english', ?)) @@ plainto_tsquery('english', ?)",
            u.nickname,
            u.name,
            ^query
          ),
        limit: 20
      )

lain's avatar
lain committed
405 406
    Repo.all(q)
  end
lain's avatar
lain committed
407 408 409 410 411 412 413

  def block(user, %{ap_id: ap_id}) do
    blocks = user.info["blocks"] || []
    new_blocks = Enum.uniq([ap_id | blocks])
    new_info = Map.put(user.info, "blocks", new_blocks)

    cs = User.info_changeset(user, %{info: new_info})
lain's avatar
lain committed
414
    update_and_set_cache(cs)
lain's avatar
lain committed
415 416 417 418 419 420 421 422
  end

  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
423
    update_and_set_cache(cs)
lain's avatar
lain committed
424 425 426 427 428 429 430
  end

  def blocks?(user, %{ap_id: ap_id}) do
    blocks = user.info["blocks"] || []
    Enum.member?(blocks, ap_id)
  end

lain's avatar
lain committed
431
  def local_user_query() do
lain's avatar
lain committed
432
    from(u in User, where: u.local == true)
lain's avatar
lain committed
433 434
  end

lain's avatar
lain committed
435
  def deactivate(%User{} = user) do
lain's avatar
lain committed
436 437
    new_info = Map.put(user.info, "deactivated", true)
    cs = User.info_changeset(user, %{info: new_info})
lain's avatar
lain committed
438
    update_and_set_cache(cs)
lain's avatar
lain committed
439
  end
lain's avatar
lain committed
440

lain's avatar
lain committed
441
  def delete(%User{} = user) do
lain's avatar
lain committed
442 443 444
    {:ok, user} = User.deactivate(user)

    # Remove all relationships
lain's avatar
lain committed
445 446
    {:ok, followers} = User.get_followers(user)

lain's avatar
lain committed
447
    followers
lain's avatar
lain committed
448
    |> Enum.each(fn follower -> User.unfollow(follower, user) end)
lain's avatar
lain committed
449 450

    {:ok, friends} = User.get_friends(user)
lain's avatar
lain committed
451

lain's avatar
lain committed
452
    friends
lain's avatar
lain committed
453
    |> Enum.each(fn followed -> User.unfollow(user, followed) end)
lain's avatar
lain committed
454

lain's avatar
lain committed
455
    query = from(a in Activity, where: a.actor == ^user.ap_id)
lain's avatar
lain committed
456 457

    Repo.all(query)
lain's avatar
lain committed
458
    |> Enum.each(fn activity ->
lain's avatar
lain committed
459
      case activity.data["type"] do
lain's avatar
lain committed
460 461 462 463 464 465
        "Create" ->
          ActivityPub.delete(Object.get_by_ap_id(activity.data["object"]["id"]))

        # TODO: Do something with likes, follows, repeats.
        _ ->
          "Doing nothing"
lain's avatar
lain committed
466 467 468
      end
    end)

lain's avatar
lain committed
469 470
    :ok
  end
471

472 473 474 475
  def get_or_fetch_by_ap_id(ap_id) do
    if user = get_by_ap_id(ap_id) do
      user
    else
lain's avatar
lain committed
476 477 478
      ap_try = ActivityPub.make_user_from_ap_id(ap_id)

      case ap_try do
lain's avatar
lain committed
479 480 481
        {:ok, user} ->
          user

lain's avatar
lain committed
482 483 484
        _ ->
          case OStatus.make_user(ap_id) do
            {:ok, user} -> user
feld's avatar
feld committed
485
            _ -> {:error, "Could not fetch by AP id"}
lain's avatar
lain committed
486
          end
487 488 489 490 491
      end
    end
  end

  # AP style
lain's avatar
lain committed
492 493 494 495 496 497 498
  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()
499

lain's avatar
lain committed
500
    {:ok, key}
501 502 503 504 505 506 507
  end

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

508
  def get_public_key_for_ap_id(ap_id) do
509 510
    with %User{} = user <- get_or_fetch_by_ap_id(ap_id),
         {:ok, public_key} <- public_key_from_info(user.info) do
511 512 513 514 515
      {:ok, public_key}
    else
      _ -> :error
    end
  end
lain's avatar
lain committed
516

517 518 519
  defp blank?(""), do: nil
  defp blank?(n), do: n

lain's avatar
lain committed
520
  def insert_or_update_user(data) do
lain's avatar
lain committed
521 522 523 524
    data =
      data
      |> Map.put(:name, blank?(data[:name]) || data[:nickname])

lain's avatar
lain committed
525 526 527
    cs = User.remote_user_creation(data)
    Repo.insert(cs, on_conflict: :replace_all, conflict_target: :nickname)
  end
528

529
  def ap_enabled?(%User{info: info}), do: info["ap_enabled"]
lain's avatar
lain committed
530
  def ap_enabled?(_), do: false
lain's avatar
lain committed
531 532 533 534 535 536 537 538

  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
539
end