user.ex 20 KB
Newer Older
lain's avatar
lain committed
1
2
defmodule Pleroma.User do
  use Ecto.Schema
3

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

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

    timestamps()
  end
lain's avatar
lain committed
30

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

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

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
137
    OAuth.Token.delete_user_tokens(struct)
    OAuth.Authorization.delete_user_authorizations(struct)

Roger Braun's avatar
Roger Braun committed
138
139
    if changeset.valid? do
      hashed = Pbkdf2.hashpwsalt(changeset.changes[:password])
lain's avatar
lain committed
140

Roger Braun's avatar
Roger Braun committed
141
142
143
144
145
146
147
148
      changeset
      |> put_change(:password_hash, hashed)
    else
      changeset
    end
  end

  def reset_password(user, data) do
lain's avatar
lain committed
149
    update_and_set_cache(password_update_changeset(user, data))
Roger Braun's avatar
Roger Braun committed
150
151
  end

lain's avatar
lain committed
152
  def register_changeset(struct, params \\ %{}) do
lain's avatar
lain committed
153
154
155
156
157
158
159
160
161
162
163
    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
164
165

    if changeset.valid? do
166
      hashed = Pbkdf2.hashpwsalt(changeset.changes[:password])
lain's avatar
lain committed
167
168
      ap_id = User.ap_id(%User{nickname: changeset.changes[:nickname]})
      followers = User.ap_followers(%User{nickname: changeset.changes[:nickname]})
lain's avatar
lain committed
169

lain's avatar
lain committed
170
171
172
173
      changeset
      |> put_change(:password_hash, hashed)
      |> put_change(:ap_id, ap_id)
      |> put_change(:following, [followers])
174
      |> put_change(:follower_address, followers)
lain's avatar
lain committed
175
176
177
178
179
    else
      changeset
    end
  end

180
181
182
183
184
185
186
187
188
189
  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

190
191
192
193
194
195
196
197
198
  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
199
    if !User.ap_enabled?(followed) do
200
      follow(follower, followed)
201
202
203
204
205
206
207
208
    else
      {:ok, follower}
    end
  end

  def maybe_follow(%User{} = follower, %User{info: info} = followed) do
    if not following?(follower, followed) do
      follow(follower, followed)
209
    else
210
      {:ok, follower}
211
212
213
    end
  end

lain's avatar
lain committed
214
  def follow(%User{} = follower, %User{info: info} = followed) do
215
216
    user_config = Application.get_env(:pleroma, :user)
    deny_follow_blocked = Keyword.get(user_config, :deny_follow_blocked)
217

218
    ap_followers = followed.follower_address
219

220
221
222
    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
223

224
      deny_follow_blocked and blocks?(followed, follower) ->
225
        {:error, "Could not follow user: #{followed.nickname} blocked you."}
lain's avatar
lain committed
226

227
228
229
230
231
232
233
234
      true ->
        if !followed.local && follower.local && !ap_enabled?(followed) do
          Websub.subscribe(follower, followed)
        end

        following =
          [ap_followers | follower.following]
          |> Enum.uniq()
235

236
237
238
239
        follower =
          follower
          |> follow_changeset(%{following: following})
          |> update_and_set_cache
240

241
242
243
        {:ok, _} = update_follower_count(followed)

        follower
244
    end
lain's avatar
lain committed
245
  end
lain's avatar
lain committed
246
247

  def unfollow(%User{} = follower, %User{} = followed) do
248
    ap_followers = followed.follower_address
lain's avatar
lain committed
249

250
    if following?(follower, followed) and follower.ap_id != followed.ap_id do
lain's avatar
lain committed
251
252
253
      following =
        follower.following
        |> List.delete(ap_followers)
lain's avatar
lain committed
254

lain's avatar
lain committed
255
256
257
258
      {:ok, follower} =
        follower
        |> follow_changeset(%{following: following})
        |> update_and_set_cache
259
260
261
262

      {:ok, followed} = update_follower_count(followed)

      {:ok, follower, Utils.fetch_latest_follow(follower, followed)}
263
    else
264
      {:error, "Not subscribed!"}
265
    end
lain's avatar
lain committed
266
  end
267
268

  def following?(%User{} = follower, %User{} = followed) do
269
    Enum.member?(follower.following, followed.follower_address)
270
  end
lain's avatar
lain committed
271

272
273
274
275
  def locked?(%User{} = user) do
    user.info["locked"] || false
  end

lain's avatar
lain committed
276
277
278
279
  def get_by_ap_id(ap_id) do
    Repo.get_by(User, ap_id: ap_id)
  end

lain's avatar
lain committed
280
281
  def update_and_set_cache(changeset) do
    with {:ok, user} <- Repo.update(changeset) do
Thog's avatar
Thog committed
282
283
284
      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
285
286
287
288
289
290
      {:ok, user}
    else
      e -> e
    end
  end

lain's avatar
lain committed
291
292
293
294
295
  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
296
  def get_cached_by_ap_id(ap_id) do
297
    key = "ap_id:#{ap_id}"
Thog's avatar
Thog committed
298
    Cachex.fetch!(:user_cache, key, fn _ -> get_by_ap_id(ap_id) end)
lain's avatar
lain committed
299
300
301
  end

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

lain's avatar
lain committed
306
  def get_by_nickname(nickname) do
307
308
309
    Repo.get_by(User, nickname: nickname)
  end

310
311
312
313
314
315
316
  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
317
318
  def get_cached_user_info(user) do
    key = "user_info:#{user.id}"
Thog's avatar
Thog committed
319
    Cachex.fetch!(:user_cache, key, fn _ -> user_info(user) end)
lain's avatar
lain committed
320
  end
lain's avatar
lain committed
321

lain's avatar
lain committed
322
323
324
325
326
327
328
329
330
  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
331
  def get_or_fetch_by_nickname(nickname) do
lain's avatar
lain committed
332
    with %User{} = user <- get_by_nickname(nickname) do
lain's avatar
lain committed
333
      user
lain's avatar
lain committed
334
335
336
337
338
339
340
341
    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
342
    end
lain's avatar
lain committed
343
  end
lain's avatar
lain committed
344

345
346
347
348
349
350
351
352
353
354
  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
355
356
357
358

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

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

    {:ok, Repo.all(q)}
  end
372

373
374
375
  def get_follow_requests_query(%User{} = user) do
    from(
      a in Activity,
kaniini's avatar
kaniini committed
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
      where:
        fragment(
          "? ->> 'type' = 'Follow'",
          a.data
        ),
      where:
        fragment(
          "? ->> 'state' = 'pending'",
          a.data
        ),
      where:
        fragment(
          "? @> ?",
          a.data,
          ^%{"object" => user.ap_id}
        )
392
393
394
395
396
397
398
399
    )
  end

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

    users =
kaniini's avatar
kaniini committed
400
401
402
      Enum.map(reqs, fn req -> req.actor end)
      |> Enum.uniq()
      |> Enum.map(fn ap_id -> get_by_ap_id(ap_id) end)
403
      |> Enum.filter(fn u -> !following?(u, user) end)
404
405
406
407

    {:ok, users}
  end

408
409
410
411
412
413
  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
414
    update_and_set_cache(cs)
415
416
  end

417
  def decrease_note_count(%User{} = user) do
dashie's avatar
dashie committed
418
    note_count = user.info["note_count"] || 0
419
420
421
422
423
424
425
426
    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

427
  def update_note_count(%User{} = user) do
lain's avatar
lain committed
428
429
430
431
432
433
    note_count_query =
      from(
        a in Object,
        where: fragment("?->>'actor' = ? and ?->>'type' = 'Note'", a.data, ^user.ap_id, a.data),
        select: count(a.id)
      )
434
435
436
437
438
439
440

    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
441
    update_and_set_cache(cs)
442
443
444
  end

  def update_follower_count(%User{} = user) do
lain's avatar
lain committed
445
446
447
448
449
450
451
    follower_count_query =
      from(
        u in User,
        where: ^user.follower_address in u.following,
        where: u.id != ^user.id,
        select: count(u.id)
      )
452
453
454
455
456
457
458

    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
459
    update_and_set_cache(cs)
460
  end
461

462
463
464
465
466
467
468
469
470
  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
471
    object = Object.normalize(data["object"])
472
    actor = User.get_cached_by_ap_id(data["actor"])
473
474
475

    # ensure that the actor who published the announced object appears only once
    to =
476
      if actor.nickname != nil do
kaniini's avatar
kaniini committed
477
        to ++ [object.data["actor"]]
478
479
480
      else
        to
      end
481
482
483
484
485
486
487
      |> Enum.uniq()

    query = get_notified_from_activity_query(to)

    Repo.all(query)
  end

488
  def get_notified_from_activity(%Activity{recipients: to}) do
489
    query = get_notified_from_activity_query(to)
490
491
492

    Repo.all(query)
  end
lain's avatar
lain committed
493

494
  def get_recipients_from_activity(%Activity{recipients: to}) do
lain's avatar
lain committed
495
496
497
498
499
500
    query =
      from(
        u in User,
        where: u.ap_id in ^to,
        or_where: fragment("? && ?", u.following, ^to)
      )
501

lain's avatar
lain committed
502
    query = from(u in query, where: u.local == true)
503

504
505
506
    Repo.all(query)
  end

lain's avatar
lain committed
507
  def search(query, resolve) do
508
509
510
    # strip the beginning @ off if there is a query
    query = String.trim_leading(query, "@")

lain's avatar
lain committed
511
512
513
    if resolve do
      User.get_or_fetch_by_nickname(query)
    end
lain's avatar
lain committed
514

lain's avatar
lain committed
515
    inner =
lain's avatar
lain committed
516
517
      from(
        u in User,
lain's avatar
lain committed
518
        select_merge: %{
kaniini's avatar
kaniini committed
519
520
521
522
523
524
525
          search_distance:
            fragment(
              "? <-> (? || ?)",
              ^query,
              u.nickname,
              u.name
            )
526
527
        },
        where: not is_nil(u.nickname)
lain's avatar
lain committed
528
529
      )

kaniini's avatar
kaniini committed
530
531
532
533
534
535
    q =
      from(
        s in subquery(inner),
        order_by: s.search_distance,
        limit: 20
      )
lain's avatar
lain committed
536

lain's avatar
lain committed
537
538
    Repo.all(q)
  end
lain's avatar
lain committed
539

540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
  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
555
    new_blocks = Enum.uniq([ap_id | blocks])
556
    new_info = Map.put(blocker.info, "blocks", new_blocks)
lain's avatar
lain committed
557

558
    cs = User.info_changeset(blocker, %{info: new_info})
lain's avatar
lain committed
559
    update_and_set_cache(cs)
lain's avatar
lain committed
560
561
  end

562
563
564
565
566
  # 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
567
568
569
570
571
572
  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
573
    update_and_set_cache(cs)
lain's avatar
lain committed
574
575
576
577
  end

  def blocks?(user, %{ap_id: ap_id}) do
    blocks = user.info["blocks"] || []
eal's avatar
eal committed
578
579
    domain_blocks = user.info["domain_blocks"] || []
    %{host: host} = URI.parse(ap_id)
eal's avatar
eal committed
580
581
582
583
584

    Enum.member?(blocks, ap_id) ||
      Enum.any?(domain_blocks, fn domain ->
        host == domain
      end)
eal's avatar
eal committed
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
  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
603
604
  end

lain's avatar
lain committed
605
  def local_user_query() do
606
607
608
609
610
    from(
      u in User,
      where: u.local == true,
      where: not is_nil(u.nickname)
    )
lain's avatar
lain committed
611
612
  end

kaniini's avatar
kaniini committed
613
614
615
616
617
618
619
620
  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
621
  def deactivate(%User{} = user) do
lain's avatar
lain committed
622
623
    new_info = Map.put(user.info, "deactivated", true)
    cs = User.info_changeset(user, %{info: new_info})
lain's avatar
lain committed
624
    update_and_set_cache(cs)
lain's avatar
lain committed
625
  end
lain's avatar
lain committed
626

lain's avatar
lain committed
627
  def delete(%User{} = user) do
lain's avatar
lain committed
628
629
630
    {:ok, user} = User.deactivate(user)

    # Remove all relationships
lain's avatar
lain committed
631
632
    {:ok, followers} = User.get_followers(user)

lain's avatar
lain committed
633
    followers
lain's avatar
lain committed
634
    |> Enum.each(fn follower -> User.unfollow(follower, user) end)
lain's avatar
lain committed
635
636

    {:ok, friends} = User.get_friends(user)
lain's avatar
lain committed
637

lain's avatar
lain committed
638
    friends
lain's avatar
lain committed
639
    |> Enum.each(fn followed -> User.unfollow(user, followed) end)
lain's avatar
lain committed
640

lain's avatar
lain committed
641
    query = from(a in Activity, where: a.actor == ^user.ap_id)
lain's avatar
lain committed
642
643

    Repo.all(query)
lain's avatar
lain committed
644
    |> Enum.each(fn activity ->
lain's avatar
lain committed
645
      case activity.data["type"] do
lain's avatar
lain committed
646
        "Create" ->
647
          ActivityPub.delete(Object.normalize(activity.data["object"]))
lain's avatar
lain committed
648
649
650
651

        # TODO: Do something with likes, follows, repeats.
        _ ->
          "Doing nothing"
lain's avatar
lain committed
652
653
654
      end
    end)

lain's avatar
lain committed
655
656
    :ok
  end
657

kaniini's avatar
kaniini committed
658
659
660
661
662
663
  def html_filter_policy(%User{info: %{"no_rich_text" => true}}) do
    Pleroma.HTML.Scrubber.TwitterText
  end

  def html_filter_policy(_), do: nil

664
  def get_or_fetch_by_ap_id(ap_id) do
665
666
667
    user = get_by_ap_id(ap_id)

    if !is_nil(user) and !User.needs_update?(user) do
668
669
      user
    else
lain's avatar
lain committed
670
671
672
      ap_try = ActivityPub.make_user_from_ap_id(ap_id)

      case ap_try do
lain's avatar
lain committed
673
674
675
        {:ok, user} ->
          user

lain's avatar
lain committed
676
677
678
        _ ->
          case OStatus.make_user(ap_id) do
            {:ok, user} -> user
feld's avatar
feld committed
679
            _ -> {:error, "Could not fetch by AP id"}
lain's avatar
lain committed
680
          end
681
682
683
684
      end
    end
  end

685
  def get_or_create_instance_user do
686
687
688
    relay_uri = "#{Pleroma.Web.Endpoint.url()}/relay"

    if user = get_by_ap_id(relay_uri) do
689
690
691
692
693
      user
    else
      changes =
        %User{}
        |> cast(%{}, [:ap_id, :nickname, :local])
694
        |> put_change(:ap_id, relay_uri)
695
696
        |> put_change(:nickname, nil)
        |> put_change(:local, true)
697
        |> put_change(:follower_address, relay_uri <> "/followers")
698
699
700
701
702
703

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

704
  # AP style
lain's avatar
lain committed
705
706
707
708
709
710
711
  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()
712

lain's avatar
lain committed
713
    {:ok, key}
714
715
716
717
718
719
720
  end

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

721
  def get_public_key_for_ap_id(ap_id) do
722
723
    with %User{} = user <- get_or_fetch_by_ap_id(ap_id),
         {:ok, public_key} <- public_key_from_info(user.info) do
724
725
726
727
728
      {:ok, public_key}
    else
      _ -> :error
    end
  end
lain's avatar
lain committed
729

730
731
732
  defp blank?(""), do: nil
  defp blank?(n), do: n

lain's avatar
lain committed
733
  def insert_or_update_user(data) do
lain's avatar
lain committed
734
735
736
737
    data =
      data
      |> Map.put(:name, blank?(data[:name]) || data[:nickname])

lain's avatar
lain committed
738
739
740
    cs = User.remote_user_creation(data)
    Repo.insert(cs, on_conflict: :replace_all, conflict_target: :nickname)
  end
741

742
  def ap_enabled?(%User{local: true}), do: true
743
  def ap_enabled?(%User{info: info}), do: info["ap_enabled"]
lain's avatar
lain committed
744
  def ap_enabled?(_), do: false
lain's avatar
lain committed
745
746
747
748
749
750
751
752

  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
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776

  # 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
777
end