1 # Pleroma: A lightweight social networking server
2 # Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
3 # SPDX-License-Identifier: AGPL-3.0-only
5 defmodule Pleroma.User do
8 import Ecto.{Changeset, Query}
9 alias Pleroma.{Repo, User, Object, Web, Activity, Notification}
11 alias Pleroma.Formatter
12 alias Pleroma.Web.CommonAPI.Utils, as: CommonUtils
13 alias Pleroma.Web.{OStatus, Websub, OAuth}
14 alias Pleroma.Web.ActivityPub.{Utils, ActivityPub}
18 @type t :: %__MODULE__{}
20 @email_regex ~r/^[a-zA-Z0-9.!#$%&'*+\/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$/
22 @strict_local_nickname_regex ~r/^[a-zA-Z\d]+$/
23 @extended_local_nickname_regex ~r/^[a-zA-Z\d_-]+$/
27 field(:email, :string)
29 field(:nickname, :string)
30 field(:password_hash, :string)
31 field(:password, :string, virtual: true)
32 field(:password_confirmation, :string, virtual: true)
33 field(:following, {:array, :string}, default: [])
34 field(:ap_id, :string)
36 field(:local, :boolean, default: true)
37 field(:follower_address, :string)
38 field(:search_distance, :float, virtual: true)
39 field(:tags, {:array, :string}, default: [])
40 field(:last_refreshed_at, :naive_datetime)
41 has_many(:notifications, Notification)
42 embeds_one(:info, Pleroma.User.Info)
47 def auth_active?(%User{local: false}), do: true
49 def auth_active?(%User{info: %User.Info{confirmation_pending: false}}), do: true
51 def auth_active?(%User{info: %User.Info{confirmation_pending: true}}),
52 do: !Pleroma.Config.get([:instance, :account_activation_required])
54 def auth_active?(_), do: false
56 def visible_for?(user, for_user \\ nil)
58 def visible_for?(%User{id: user_id}, %User{id: for_id}) when user_id == for_id, do: true
60 def visible_for?(%User{} = user, for_user) do
61 auth_active?(user) || superuser?(for_user)
64 def visible_for?(_, _), do: false
66 def superuser?(%User{local: true, info: %User.Info{is_admin: true}}), do: true
67 def superuser?(%User{local: true, info: %User.Info{is_moderator: true}}), do: true
68 def superuser?(_), do: false
70 def avatar_url(user) do
72 %{"url" => [%{"href" => href} | _]} -> href
73 _ -> "#{Web.base_url()}/images/avi.png"
77 def banner_url(user) do
78 case user.info.banner do
79 %{"url" => [%{"href" => href} | _]} -> href
80 _ -> "#{Web.base_url()}/images/banner.png"
84 def profile_url(%User{info: %{source_data: %{"url" => url}}}), do: url
85 def profile_url(%User{ap_id: ap_id}), do: ap_id
86 def profile_url(_), do: nil
88 def ap_id(%User{nickname: nickname}) do
89 "#{Web.base_url()}/users/#{nickname}"
92 def ap_followers(%User{} = user) do
93 "#{ap_id(user)}/followers"
96 def follow_changeset(struct, params \\ %{}) do
98 |> cast(params, [:following])
99 |> validate_required([:following])
102 def user_info(%User{} = user) do
103 oneself = if user.local, do: 1, else: 0
106 following_count: length(user.following) - oneself,
107 note_count: user.info.note_count,
108 follower_count: user.info.follower_count,
109 locked: user.info.locked,
110 confirmation_pending: user.info.confirmation_pending,
111 default_scope: user.info.default_scope
115 def remote_user_creation(params) do
118 |> Map.put(:info, params[:info] || %{})
120 info_cng = User.Info.remote_user_creation(%User.Info{}, params[:info])
124 |> cast(params, [:bio, :name, :ap_id, :nickname, :avatar])
125 |> validate_required([:name, :ap_id])
126 |> unique_constraint(:nickname)
127 |> validate_format(:nickname, @email_regex)
128 |> validate_length(:bio, max: 5000)
129 |> validate_length(:name, max: 100)
130 |> put_change(:local, false)
131 |> put_embed(:info, info_cng)
134 case info_cng.changes[:source_data] do
135 %{"followers" => followers} ->
137 |> put_change(:follower_address, followers)
140 followers = User.ap_followers(%User{nickname: changes.changes[:nickname]})
143 |> put_change(:follower_address, followers)
150 def update_changeset(struct, params \\ %{}) do
152 |> cast(params, [:bio, :name, :avatar])
153 |> unique_constraint(:nickname)
154 |> validate_format(:nickname, local_nickname_regex())
155 |> validate_length(:bio, max: 5000)
156 |> validate_length(:name, min: 1, max: 100)
159 def upgrade_changeset(struct, params \\ %{}) do
162 |> Map.put(:last_refreshed_at, NaiveDateTime.utc_now())
166 |> User.Info.user_upgrade(params[:info])
169 |> cast(params, [:bio, :name, :follower_address, :avatar, :last_refreshed_at])
170 |> unique_constraint(:nickname)
171 |> validate_format(:nickname, local_nickname_regex())
172 |> validate_length(:bio, max: 5000)
173 |> validate_length(:name, max: 100)
174 |> put_embed(:info, info_cng)
177 def password_update_changeset(struct, params) do
180 |> cast(params, [:password, :password_confirmation])
181 |> validate_required([:password, :password_confirmation])
182 |> validate_confirmation(:password)
184 OAuth.Token.delete_user_tokens(struct)
185 OAuth.Authorization.delete_user_authorizations(struct)
187 if changeset.valid? do
188 hashed = Pbkdf2.hashpwsalt(changeset.changes[:password])
191 |> put_change(:password_hash, hashed)
197 def reset_password(user, data) do
198 update_and_set_cache(password_update_changeset(user, data))
201 def register_changeset(struct, params \\ %{}, opts \\ []) do
202 confirmation_status =
203 if opts[:confirmed] || !Pleroma.Config.get([:instance, :account_activation_required]) do
209 info_change = User.Info.confirmation_changeset(%User.Info{}, confirmation_status)
213 |> cast(params, [:bio, :email, :name, :nickname, :password, :password_confirmation])
214 |> validate_required([:email, :name, :nickname, :password, :password_confirmation])
215 |> validate_confirmation(:password)
216 |> unique_constraint(:email)
217 |> unique_constraint(:nickname)
218 |> validate_exclusion(:nickname, Pleroma.Config.get([Pleroma.User, :restricted_nicknames]))
219 |> validate_format(:nickname, local_nickname_regex())
220 |> validate_format(:email, @email_regex)
221 |> validate_length(:bio, max: 1000)
222 |> validate_length(:name, min: 1, max: 100)
223 |> put_change(:info, info_change)
225 if changeset.valid? do
226 hashed = Pbkdf2.hashpwsalt(changeset.changes[:password])
227 ap_id = User.ap_id(%User{nickname: changeset.changes[:nickname]})
228 followers = User.ap_followers(%User{nickname: changeset.changes[:nickname]})
231 |> put_change(:password_hash, hashed)
232 |> put_change(:ap_id, ap_id)
233 |> put_change(:following, [followers])
234 |> put_change(:follower_address, followers)
240 defp autofollow_users(user) do
241 candidates = Pleroma.Config.get([:instance, :autofollowed_nicknames])
245 where: u.local == true,
246 where: u.nickname in ^candidates
250 follow_all(user, autofollowed_users)
253 @doc "Inserts provided changeset, performs post-registration actions (confirmation email sending etc.)"
254 def register(%Ecto.Changeset{} = changeset) do
255 with {:ok, user} <- Repo.insert(changeset),
256 {:ok, _} <- try_send_confirmation_email(user),
257 {:ok, user} <- autofollow_users(user) do
262 def try_send_confirmation_email(%User{} = user) do
263 if user.info.confirmation_pending &&
264 Pleroma.Config.get([:instance, :account_activation_required]) do
266 |> Pleroma.UserEmail.account_confirmation_email()
267 |> Pleroma.Mailer.deliver()
273 def needs_update?(%User{local: true}), do: false
275 def needs_update?(%User{local: false, last_refreshed_at: nil}), do: true
277 def needs_update?(%User{local: false} = user) do
278 NaiveDateTime.diff(NaiveDateTime.utc_now(), user.last_refreshed_at) >= 86400
281 def needs_update?(_), do: true
283 def maybe_direct_follow(%User{} = follower, %User{local: true, info: %{locked: true}}) do
287 def maybe_direct_follow(%User{} = follower, %User{local: true} = followed) do
288 follow(follower, followed)
291 def maybe_direct_follow(%User{} = follower, %User{} = followed) do
292 if not User.ap_enabled?(followed) do
293 follow(follower, followed)
299 def maybe_follow(%User{} = follower, %User{info: _info} = followed) do
300 if not following?(follower, followed) do
301 follow(follower, followed)
307 @doc "A mass follow for local users. Ignores blocks and has no side effects"
308 @spec follow_all(User.t(), list(User.t())) :: {atom(), User.t()}
309 def follow_all(follower, followeds) do
311 (follower.following ++ Enum.map(followeds, fn %{follower_address: fa} -> fa end))
316 |> follow_changeset(%{following: following})
317 |> update_and_set_cache
319 Enum.each(followeds, fn followed ->
320 update_follower_count(followed)
326 def follow(%User{} = follower, %User{info: info} = followed) do
327 user_config = Application.get_env(:pleroma, :user)
328 deny_follow_blocked = Keyword.get(user_config, :deny_follow_blocked)
330 ap_followers = followed.follower_address
333 following?(follower, followed) or info.deactivated ->
334 {:error, "Could not follow user: #{followed.nickname} is already on your list."}
336 deny_follow_blocked and blocks?(followed, follower) ->
337 {:error, "Could not follow user: #{followed.nickname} blocked you."}
340 if !followed.local && follower.local && !ap_enabled?(followed) do
341 Websub.subscribe(follower, followed)
345 [ap_followers | follower.following]
350 |> follow_changeset(%{following: following})
351 |> update_and_set_cache
353 {:ok, _} = update_follower_count(followed)
359 def unfollow(%User{} = follower, %User{} = followed) do
360 ap_followers = followed.follower_address
362 if following?(follower, followed) and follower.ap_id != followed.ap_id do
365 |> List.delete(ap_followers)
369 |> follow_changeset(%{following: following})
370 |> update_and_set_cache
372 {:ok, followed} = update_follower_count(followed)
374 {:ok, follower, Utils.fetch_latest_follow(follower, followed)}
376 {:error, "Not subscribed!"}
380 @spec following?(User.t(), User.t()) :: boolean
381 def following?(%User{} = follower, %User{} = followed) do
382 Enum.member?(follower.following, followed.follower_address)
385 def follow_import(%User{} = follower, followed_identifiers)
386 when is_list(followed_identifiers) do
388 followed_identifiers,
389 fn followed_identifier ->
390 with %User{} = followed <- get_or_fetch(followed_identifier),
391 {:ok, follower} <- maybe_direct_follow(follower, followed),
392 {:ok, _} <- ActivityPub.follow(follower, followed) do
396 Logger.debug("follow_import failed for #{followed_identifier} with: #{inspect(err)}")
403 def locked?(%User{} = user) do
404 user.info.locked || false
408 Repo.get_by(User, id: id)
411 def get_by_ap_id(ap_id) do
412 Repo.get_by(User, ap_id: ap_id)
415 # This is mostly an SPC migration fix. This guesses the user nickname (by taking the last part of the ap_id and the domain) and tries to get that user
416 def get_by_guessed_nickname(ap_id) do
417 domain = URI.parse(ap_id).host
418 name = List.last(String.split(ap_id, "/"))
419 nickname = "#{name}@#{domain}"
421 get_by_nickname(nickname)
424 def update_and_set_cache(changeset) do
425 with {:ok, user} <- Repo.update(changeset) do
426 Cachex.put(:user_cache, "ap_id:#{user.ap_id}", user)
427 Cachex.put(:user_cache, "nickname:#{user.nickname}", user)
428 Cachex.put(:user_cache, "user_info:#{user.id}", user_info(user))
435 def invalidate_cache(user) do
436 Cachex.del(:user_cache, "ap_id:#{user.ap_id}")
437 Cachex.del(:user_cache, "nickname:#{user.nickname}")
438 Cachex.del(:user_cache, "user_info:#{user.id}")
441 def get_cached_by_ap_id(ap_id) do
442 key = "ap_id:#{ap_id}"
443 Cachex.fetch!(:user_cache, key, fn _ -> get_by_ap_id(ap_id) end)
446 def get_cached_by_id(id) do
448 Cachex.fetch!(:user_cache, key, fn _ -> get_by_id(id) end)
451 def get_cached_by_nickname(nickname) do
452 key = "nickname:#{nickname}"
453 Cachex.fetch!(:user_cache, key, fn _ -> get_or_fetch_by_nickname(nickname) end)
456 def get_cached_by_nickname_or_id(nickname_or_id) do
457 get_cached_by_nickname(nickname_or_id) || get_cached_by_id(nickname_or_id)
460 def get_by_nickname(nickname) do
461 Repo.get_by(User, nickname: nickname) ||
462 if Regex.match?(~r(@#{Pleroma.Web.Endpoint.host()})i, nickname) do
463 [local_nickname, _] = String.split(nickname, "@")
464 Repo.get_by(User, nickname: local_nickname)
468 def get_by_nickname_or_email(nickname_or_email) do
469 case user = Repo.get_by(User, nickname: nickname_or_email) do
471 nil -> Repo.get_by(User, email: nickname_or_email)
475 def get_cached_user_info(user) do
476 key = "user_info:#{user.id}"
477 Cachex.fetch!(:user_cache, key, fn _ -> user_info(user) end)
480 def fetch_by_nickname(nickname) do
481 ap_try = ActivityPub.make_user_from_nickname(nickname)
484 {:ok, user} -> {:ok, user}
485 _ -> OStatus.make_user(nickname)
489 def get_or_fetch_by_nickname(nickname) do
490 with %User{} = user <- get_by_nickname(nickname) do
494 with [_nick, _domain] <- String.split(nickname, "@"),
495 {:ok, user} <- fetch_by_nickname(nickname) do
503 def get_followers_query(%User{id: id, follower_address: follower_address}, nil) do
506 where: fragment("? <@ ?", ^[follower_address], u.following),
511 def get_followers_query(user, page) do
513 u in get_followers_query(user, nil),
515 offset: ^((page - 1) * 20)
519 def get_followers_query(user), do: get_followers_query(user, nil)
521 def get_followers(user, page \\ nil) do
522 q = get_followers_query(user, page)
527 def get_friends_query(%User{id: id, following: following}, nil) do
530 where: u.follower_address in ^following,
535 def get_friends_query(user, page) do
537 u in get_friends_query(user, nil),
539 offset: ^((page - 1) * 20)
543 def get_friends_query(user), do: get_friends_query(user, nil)
545 def get_friends(user, page \\ nil) do
546 q = get_friends_query(user, page)
551 def get_follow_requests_query(%User{} = user) do
556 "? ->> 'type' = 'Follow'",
561 "? ->> 'state' = 'pending'",
568 ^%{"object" => user.ap_id}
573 def get_follow_requests(%User{} = user) do
574 q = get_follow_requests_query(user)
578 Enum.map(reqs, fn req -> req.actor end)
580 |> Enum.map(fn ap_id -> get_by_ap_id(ap_id) end)
581 |> Enum.filter(fn u -> !is_nil(u) end)
582 |> Enum.filter(fn u -> !following?(u, user) end)
587 def increase_note_count(%User{} = user) do
588 info_cng = User.Info.add_to_note_count(user.info, 1)
592 |> put_embed(:info, info_cng)
594 update_and_set_cache(cng)
597 def decrease_note_count(%User{} = user) do
598 info_cng = User.Info.add_to_note_count(user.info, -1)
602 |> put_embed(:info, info_cng)
604 update_and_set_cache(cng)
607 def update_note_count(%User{} = user) do
611 where: fragment("?->>'actor' = ? and ?->>'type' = 'Note'", a.data, ^user.ap_id, a.data),
615 note_count = Repo.one(note_count_query)
617 info_cng = User.Info.set_note_count(user.info, note_count)
621 |> put_embed(:info, info_cng)
623 update_and_set_cache(cng)
626 def update_follower_count(%User{} = user) do
627 follower_count_query =
630 where: ^user.follower_address in u.following,
631 where: u.id != ^user.id,
635 follower_count = Repo.one(follower_count_query)
639 |> User.Info.set_follower_count(follower_count)
643 |> put_embed(:info, info_cng)
645 update_and_set_cache(cng)
648 def get_users_from_set_query(ap_ids, false) do
651 where: u.ap_id in ^ap_ids
655 def get_users_from_set_query(ap_ids, true) do
656 query = get_users_from_set_query(ap_ids, false)
660 where: u.local == true
664 def get_users_from_set(ap_ids, local_only \\ true) do
665 get_users_from_set_query(ap_ids, local_only)
669 def get_recipients_from_activity(%Activity{recipients: to}) do
673 where: u.ap_id in ^to,
674 or_where: fragment("? && ?", u.following, ^to)
677 query = from(u in query, where: u.local == true)
682 def search(query, resolve \\ false) do
683 # strip the beginning @ off if there is a query
684 query = String.trim_leading(query, "@")
687 User.get_or_fetch_by_nickname(query)
696 "? <-> (? || coalesce(?, ''))",
702 where: not is_nil(u.nickname)
707 s in subquery(inner),
708 order_by: s.search_distance,
715 def blocks_import(%User{} = blocker, blocked_identifiers) when is_list(blocked_identifiers) do
718 fn blocked_identifier ->
719 with %User{} = blocked <- get_or_fetch(blocked_identifier),
720 {:ok, blocker} <- block(blocker, blocked),
721 {:ok, _} <- ActivityPub.block(blocker, blocked) do
725 Logger.debug("blocks_import failed for #{blocked_identifier} with: #{inspect(err)}")
732 def block(blocker, %User{ap_id: ap_id} = blocked) do
733 # sever any follow relationships to prevent leaks per activitypub (Pleroma issue #213)
735 if following?(blocker, blocked) do
736 {:ok, blocker, _} = unfollow(blocker, blocked)
742 if following?(blocked, blocker) do
743 unfollow(blocked, blocker)
748 |> User.Info.add_to_block(ap_id)
752 |> put_embed(:info, info_cng)
754 update_and_set_cache(cng)
757 # helper to handle the block given only an actor's AP id
758 def block(blocker, %{ap_id: ap_id}) do
759 block(blocker, User.get_by_ap_id(ap_id))
762 def unblock(blocker, %{ap_id: ap_id}) do
765 |> User.Info.remove_from_block(ap_id)
769 |> put_embed(:info, info_cng)
771 update_and_set_cache(cng)
774 def blocks?(user, %{ap_id: ap_id}) do
775 blocks = user.info.blocks
776 domain_blocks = user.info.domain_blocks
777 %{host: host} = URI.parse(ap_id)
779 Enum.member?(blocks, ap_id) ||
780 Enum.any?(domain_blocks, fn domain ->
785 def blocked_users(user),
786 do: Repo.all(from(u in User, where: u.ap_id in ^user.info.blocks))
788 def block_domain(user, domain) do
791 |> User.Info.add_to_domain_block(domain)
795 |> put_embed(:info, info_cng)
797 update_and_set_cache(cng)
800 def unblock_domain(user, domain) do
803 |> User.Info.remove_from_domain_block(domain)
807 |> put_embed(:info, info_cng)
809 update_and_set_cache(cng)
812 def local_user_query() do
815 where: u.local == true,
816 where: not is_nil(u.nickname)
820 def moderator_user_query() do
823 where: u.local == true,
824 where: fragment("?->'is_moderator' @> 'true'", u.info)
828 def deactivate(%User{} = user, status \\ true) do
829 info_cng = User.Info.set_activation_status(user.info, status)
833 |> put_embed(:info, info_cng)
835 update_and_set_cache(cng)
838 def delete(%User{} = user) do
839 {:ok, user} = User.deactivate(user)
841 # Remove all relationships
842 {:ok, followers} = User.get_followers(user)
845 |> Enum.each(fn follower -> User.unfollow(follower, user) end)
847 {:ok, friends} = User.get_friends(user)
850 |> Enum.each(fn followed -> User.unfollow(user, followed) end)
852 query = from(a in Activity, where: a.actor == ^user.ap_id)
855 |> Enum.each(fn activity ->
856 case activity.data["type"] do
858 ActivityPub.delete(Object.normalize(activity.data["object"]))
860 # TODO: Do something with likes, follows, repeats.
869 def html_filter_policy(%User{info: %{no_rich_text: true}}) do
870 Pleroma.HTML.Scrubber.TwitterText
873 @default_scrubbers Pleroma.Config.get([:markup, :scrub_policy])
875 def html_filter_policy(_), do: @default_scrubbers
877 def get_or_fetch_by_ap_id(ap_id) do
878 user = get_by_ap_id(ap_id)
880 if !is_nil(user) and !User.needs_update?(user) do
883 ap_try = ActivityPub.make_user_from_ap_id(ap_id)
890 case OStatus.make_user(ap_id) do
892 _ -> {:error, "Could not fetch by AP id"}
898 def get_or_create_instance_user do
899 relay_uri = "#{Pleroma.Web.Endpoint.url()}/relay"
901 if user = get_by_ap_id(relay_uri) do
905 %User{info: %User.Info{}}
906 |> cast(%{}, [:ap_id, :nickname, :local])
907 |> put_change(:ap_id, relay_uri)
908 |> put_change(:nickname, nil)
909 |> put_change(:local, true)
910 |> put_change(:follower_address, relay_uri <> "/followers")
912 {:ok, user} = Repo.insert(changes)
918 def public_key_from_info(%{
919 source_data: %{"publicKey" => %{"publicKeyPem" => public_key_pem}}
923 |> :public_key.pem_decode()
925 |> :public_key.pem_entry_decode()
931 def public_key_from_info(%{magic_key: magic_key}) do
932 {:ok, Pleroma.Web.Salmon.decode_key(magic_key)}
935 def get_public_key_for_ap_id(ap_id) do
936 with %User{} = user <- get_or_fetch_by_ap_id(ap_id),
937 {:ok, public_key} <- public_key_from_info(user.info) do
944 defp blank?(""), do: nil
945 defp blank?(n), do: n
947 def insert_or_update_user(data) do
950 |> Map.put(:name, blank?(data[:name]) || data[:nickname])
952 cs = User.remote_user_creation(data)
954 Repo.insert(cs, on_conflict: :replace_all, conflict_target: :nickname)
957 def ap_enabled?(%User{local: true}), do: true
958 def ap_enabled?(%User{info: info}), do: info.ap_enabled
959 def ap_enabled?(_), do: false
961 @doc "Gets or fetch a user by uri or nickname."
962 @spec get_or_fetch(String.t()) :: User.t()
963 def get_or_fetch("http" <> _host = uri), do: get_or_fetch_by_ap_id(uri)
964 def get_or_fetch(nickname), do: get_or_fetch_by_nickname(nickname)
966 # wait a period of time and return newest version of the User structs
967 # this is because we have synchronous follow APIs and need to simulate them
968 # with an async handshake
969 def wait_and_refresh(_, %User{local: true} = a, %User{local: true} = b) do
970 with %User{} = a <- Repo.get(User, a.id),
971 %User{} = b <- Repo.get(User, b.id) do
979 def wait_and_refresh(timeout, %User{} = a, %User{} = b) do
980 with :ok <- :timer.sleep(timeout),
981 %User{} = a <- Repo.get(User, a.id),
982 %User{} = b <- Repo.get(User, b.id) do
990 def parse_bio(bio, user \\ %User{info: %{source_data: %{}}})
991 def parse_bio(nil, _user), do: ""
992 def parse_bio(bio, _user) when bio == "", do: bio
994 def parse_bio(bio, user) do
995 mentions = Formatter.parse_mentions(bio)
996 tags = Formatter.parse_tags(bio)
999 (user.info.source_data["tag"] || [])
1000 |> Enum.filter(fn %{"type" => t} -> t == "Emoji" end)
1001 |> Enum.map(fn %{"icon" => %{"url" => url}, "name" => name} ->
1002 {String.trim(name, ":"), url}
1006 |> CommonUtils.format_input(mentions, tags, "text/plain")
1007 |> Formatter.emojify(emoji)
1010 def tag(user_identifiers, tags) when is_list(user_identifiers) do
1011 Repo.transaction(fn ->
1012 for user_identifier <- user_identifiers, do: tag(user_identifier, tags)
1016 def tag(nickname, tags) when is_binary(nickname),
1017 do: tag(User.get_by_nickname(nickname), tags)
1019 def tag(%User{} = user, tags),
1020 do: update_tags(user, Enum.uniq((user.tags || []) ++ normalize_tags(tags)))
1022 def untag(user_identifiers, tags) when is_list(user_identifiers) do
1023 Repo.transaction(fn ->
1024 for user_identifier <- user_identifiers, do: untag(user_identifier, tags)
1028 def untag(nickname, tags) when is_binary(nickname),
1029 do: untag(User.get_by_nickname(nickname), tags)
1031 def untag(%User{} = user, tags),
1032 do: update_tags(user, (user.tags || []) -- normalize_tags(tags))
1034 defp update_tags(%User{} = user, new_tags) do
1035 {:ok, updated_user} =
1037 |> change(%{tags: new_tags})
1043 defp normalize_tags(tags) do
1046 |> Enum.map(&String.downcase(&1))
1049 defp local_nickname_regex() do
1050 if Pleroma.Config.get([:instance, :extended_nickname_format]) do
1051 @extended_local_nickname_regex
1053 @strict_local_nickname_regex