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