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
450 Cachex.fetch!(:user_cache, key, fn _ ->
452 Cachex.put(:user_cache, "ap_id:#{user.ap_id}", user)
453 {:commit, user.ap_id}
456 get_cached_by_ap_id(ap_id)
459 def get_cached_by_nickname(nickname) do
460 key = "nickname:#{nickname}"
461 Cachex.fetch!(:user_cache, key, fn _ -> get_or_fetch_by_nickname(nickname) end)
464 def get_cached_by_nickname_or_id(nickname_or_id) do
466 # TODO: convert to UUIDs when !654 is merged
467 maybe_id = String.to_integer(nickname_or_id)
468 user = get_cached_by_id(maybe_id)
471 raise ArgumentError, message: "No such user id"
477 get_cached_by_nickname(nickname_or_id)
481 def get_by_nickname(nickname) do
482 Repo.get_by(User, nickname: nickname) ||
483 if Regex.match?(~r(@#{Pleroma.Web.Endpoint.host()})i, nickname) do
484 [local_nickname, _] = String.split(nickname, "@")
485 Repo.get_by(User, nickname: local_nickname)
489 def get_by_nickname_or_email(nickname_or_email) do
490 case user = Repo.get_by(User, nickname: nickname_or_email) do
492 nil -> Repo.get_by(User, email: nickname_or_email)
496 def get_cached_user_info(user) do
497 key = "user_info:#{user.id}"
498 Cachex.fetch!(:user_cache, key, fn _ -> user_info(user) end)
501 def fetch_by_nickname(nickname) do
502 ap_try = ActivityPub.make_user_from_nickname(nickname)
505 {:ok, user} -> {:ok, user}
506 _ -> OStatus.make_user(nickname)
510 def get_or_fetch_by_nickname(nickname) do
511 with %User{} = user <- get_by_nickname(nickname) do
515 with [_nick, _domain] <- String.split(nickname, "@"),
516 {:ok, user} <- fetch_by_nickname(nickname) do
524 def get_followers_query(%User{id: id, follower_address: follower_address}, nil) do
527 where: fragment("? <@ ?", ^[follower_address], u.following),
532 def get_followers_query(user, page) do
534 u in get_followers_query(user, nil),
536 offset: ^((page - 1) * 20)
540 def get_followers_query(user), do: get_followers_query(user, nil)
542 def get_followers(user, page \\ nil) do
543 q = get_followers_query(user, page)
548 def get_friends_query(%User{id: id, following: following}, nil) do
551 where: u.follower_address in ^following,
556 def get_friends_query(user, page) do
558 u in get_friends_query(user, nil),
560 offset: ^((page - 1) * 20)
564 def get_friends_query(user), do: get_friends_query(user, nil)
566 def get_friends(user, page \\ nil) do
567 q = get_friends_query(user, page)
572 def get_follow_requests_query(%User{} = user) do
577 "? ->> 'type' = 'Follow'",
582 "? ->> 'state' = 'pending'",
589 ^%{"object" => user.ap_id}
594 def get_follow_requests(%User{} = user) do
595 q = get_follow_requests_query(user)
599 Enum.map(reqs, fn req -> req.actor end)
601 |> Enum.map(fn ap_id -> get_by_ap_id(ap_id) end)
602 |> Enum.filter(fn u -> !is_nil(u) end)
603 |> Enum.filter(fn u -> !following?(u, user) end)
608 def increase_note_count(%User{} = user) do
609 info_cng = User.Info.add_to_note_count(user.info, 1)
613 |> put_embed(:info, info_cng)
615 update_and_set_cache(cng)
618 def decrease_note_count(%User{} = user) do
619 info_cng = User.Info.add_to_note_count(user.info, -1)
623 |> put_embed(:info, info_cng)
625 update_and_set_cache(cng)
628 def update_note_count(%User{} = user) do
632 where: fragment("?->>'actor' = ? and ?->>'type' = 'Note'", a.data, ^user.ap_id, a.data),
636 note_count = Repo.one(note_count_query)
638 info_cng = User.Info.set_note_count(user.info, note_count)
642 |> put_embed(:info, info_cng)
644 update_and_set_cache(cng)
647 def update_follower_count(%User{} = user) do
648 follower_count_query =
651 where: ^user.follower_address in u.following,
652 where: u.id != ^user.id,
656 follower_count = Repo.one(follower_count_query)
660 |> User.Info.set_follower_count(follower_count)
664 |> put_embed(:info, info_cng)
666 update_and_set_cache(cng)
669 def get_users_from_set_query(ap_ids, false) do
672 where: u.ap_id in ^ap_ids
676 def get_users_from_set_query(ap_ids, true) do
677 query = get_users_from_set_query(ap_ids, false)
681 where: u.local == true
685 def get_users_from_set(ap_ids, local_only \\ true) do
686 get_users_from_set_query(ap_ids, local_only)
690 def get_recipients_from_activity(%Activity{recipients: to}) do
694 where: u.ap_id in ^to,
695 or_where: fragment("? && ?", u.following, ^to)
698 query = from(u in query, where: u.local == true)
703 def search(query, resolve \\ false) do
704 # strip the beginning @ off if there is a query
705 query = String.trim_leading(query, "@")
708 User.get_or_fetch_by_nickname(query)
717 "? <-> (? || coalesce(?, ''))",
723 where: not is_nil(u.nickname)
728 s in subquery(inner),
729 order_by: s.search_distance,
736 def blocks_import(%User{} = blocker, blocked_identifiers) when is_list(blocked_identifiers) do
739 fn blocked_identifier ->
740 with %User{} = blocked <- get_or_fetch(blocked_identifier),
741 {:ok, blocker} <- block(blocker, blocked),
742 {:ok, _} <- ActivityPub.block(blocker, blocked) do
746 Logger.debug("blocks_import failed for #{blocked_identifier} with: #{inspect(err)}")
753 def block(blocker, %User{ap_id: ap_id} = blocked) do
754 # sever any follow relationships to prevent leaks per activitypub (Pleroma issue #213)
756 if following?(blocker, blocked) do
757 {:ok, blocker, _} = unfollow(blocker, blocked)
763 if following?(blocked, blocker) do
764 unfollow(blocked, blocker)
769 |> User.Info.add_to_block(ap_id)
773 |> put_embed(:info, info_cng)
775 update_and_set_cache(cng)
778 # helper to handle the block given only an actor's AP id
779 def block(blocker, %{ap_id: ap_id}) do
780 block(blocker, User.get_by_ap_id(ap_id))
783 def unblock(blocker, %{ap_id: ap_id}) do
786 |> User.Info.remove_from_block(ap_id)
790 |> put_embed(:info, info_cng)
792 update_and_set_cache(cng)
795 def blocks?(user, %{ap_id: ap_id}) do
796 blocks = user.info.blocks
797 domain_blocks = user.info.domain_blocks
798 %{host: host} = URI.parse(ap_id)
800 Enum.member?(blocks, ap_id) ||
801 Enum.any?(domain_blocks, fn domain ->
806 def blocked_users(user),
807 do: Repo.all(from(u in User, where: u.ap_id in ^user.info.blocks))
809 def block_domain(user, domain) do
812 |> User.Info.add_to_domain_block(domain)
816 |> put_embed(:info, info_cng)
818 update_and_set_cache(cng)
821 def unblock_domain(user, domain) do
824 |> User.Info.remove_from_domain_block(domain)
828 |> put_embed(:info, info_cng)
830 update_and_set_cache(cng)
833 def local_user_query() do
836 where: u.local == true,
837 where: not is_nil(u.nickname)
841 def moderator_user_query() do
844 where: u.local == true,
845 where: fragment("?->'is_moderator' @> 'true'", u.info)
849 def deactivate(%User{} = user, status \\ true) do
850 info_cng = User.Info.set_activation_status(user.info, status)
854 |> put_embed(:info, info_cng)
856 update_and_set_cache(cng)
859 def delete(%User{} = user) do
860 {:ok, user} = User.deactivate(user)
862 # Remove all relationships
863 {:ok, followers} = User.get_followers(user)
866 |> Enum.each(fn follower -> User.unfollow(follower, user) end)
868 {:ok, friends} = User.get_friends(user)
871 |> Enum.each(fn followed -> User.unfollow(user, followed) end)
873 query = from(a in Activity, where: a.actor == ^user.ap_id)
876 |> Enum.each(fn activity ->
877 case activity.data["type"] do
879 ActivityPub.delete(Object.normalize(activity.data["object"]))
881 # TODO: Do something with likes, follows, repeats.
890 def html_filter_policy(%User{info: %{no_rich_text: true}}) do
891 Pleroma.HTML.Scrubber.TwitterText
894 @default_scrubbers Pleroma.Config.get([:markup, :scrub_policy])
896 def html_filter_policy(_), do: @default_scrubbers
898 def get_or_fetch_by_ap_id(ap_id) do
899 user = get_by_ap_id(ap_id)
901 if !is_nil(user) and !User.needs_update?(user) do
904 ap_try = ActivityPub.make_user_from_ap_id(ap_id)
911 case OStatus.make_user(ap_id) do
913 _ -> {:error, "Could not fetch by AP id"}
919 def get_or_create_instance_user do
920 relay_uri = "#{Pleroma.Web.Endpoint.url()}/relay"
922 if user = get_by_ap_id(relay_uri) do
926 %User{info: %User.Info{}}
927 |> cast(%{}, [:ap_id, :nickname, :local])
928 |> put_change(:ap_id, relay_uri)
929 |> put_change(:nickname, nil)
930 |> put_change(:local, true)
931 |> put_change(:follower_address, relay_uri <> "/followers")
933 {:ok, user} = Repo.insert(changes)
939 def public_key_from_info(%{
940 source_data: %{"publicKey" => %{"publicKeyPem" => public_key_pem}}
944 |> :public_key.pem_decode()
946 |> :public_key.pem_entry_decode()
952 def public_key_from_info(%{magic_key: magic_key}) do
953 {:ok, Pleroma.Web.Salmon.decode_key(magic_key)}
956 def get_public_key_for_ap_id(ap_id) do
957 with %User{} = user <- get_or_fetch_by_ap_id(ap_id),
958 {:ok, public_key} <- public_key_from_info(user.info) do
965 defp blank?(""), do: nil
966 defp blank?(n), do: n
968 def insert_or_update_user(data) do
971 |> Map.put(:name, blank?(data[:name]) || data[:nickname])
973 cs = User.remote_user_creation(data)
975 Repo.insert(cs, on_conflict: :replace_all, conflict_target: :nickname)
978 def ap_enabled?(%User{local: true}), do: true
979 def ap_enabled?(%User{info: info}), do: info.ap_enabled
980 def ap_enabled?(_), do: false
982 @doc "Gets or fetch a user by uri or nickname."
983 @spec get_or_fetch(String.t()) :: User.t()
984 def get_or_fetch("http" <> _host = uri), do: get_or_fetch_by_ap_id(uri)
985 def get_or_fetch(nickname), do: get_or_fetch_by_nickname(nickname)
987 # wait a period of time and return newest version of the User structs
988 # this is because we have synchronous follow APIs and need to simulate them
989 # with an async handshake
990 def wait_and_refresh(_, %User{local: true} = a, %User{local: true} = b) do
991 with %User{} = a <- Repo.get(User, a.id),
992 %User{} = b <- Repo.get(User, b.id) do
1000 def wait_and_refresh(timeout, %User{} = a, %User{} = b) do
1001 with :ok <- :timer.sleep(timeout),
1002 %User{} = a <- Repo.get(User, a.id),
1003 %User{} = b <- Repo.get(User, b.id) do
1011 def parse_bio(bio, user \\ %User{info: %{source_data: %{}}})
1012 def parse_bio(nil, _user), do: ""
1013 def parse_bio(bio, _user) when bio == "", do: bio
1015 def parse_bio(bio, user) do
1016 mentions = Formatter.parse_mentions(bio)
1017 tags = Formatter.parse_tags(bio)
1020 (user.info.source_data["tag"] || [])
1021 |> Enum.filter(fn %{"type" => t} -> t == "Emoji" end)
1022 |> Enum.map(fn %{"icon" => %{"url" => url}, "name" => name} ->
1023 {String.trim(name, ":"), url}
1027 |> CommonUtils.format_input(mentions, tags, "text/plain")
1028 |> Formatter.emojify(emoji)
1031 def tag(user_identifiers, tags) when is_list(user_identifiers) do
1032 Repo.transaction(fn ->
1033 for user_identifier <- user_identifiers, do: tag(user_identifier, tags)
1037 def tag(nickname, tags) when is_binary(nickname),
1038 do: tag(User.get_by_nickname(nickname), tags)
1040 def tag(%User{} = user, tags),
1041 do: update_tags(user, Enum.uniq((user.tags || []) ++ normalize_tags(tags)))
1043 def untag(user_identifiers, tags) when is_list(user_identifiers) do
1044 Repo.transaction(fn ->
1045 for user_identifier <- user_identifiers, do: untag(user_identifier, tags)
1049 def untag(nickname, tags) when is_binary(nickname),
1050 do: untag(User.get_by_nickname(nickname), tags)
1052 def untag(%User{} = user, tags),
1053 do: update_tags(user, (user.tags || []) -- normalize_tags(tags))
1055 defp update_tags(%User{} = user, new_tags) do
1056 {:ok, updated_user} =
1058 |> change(%{tags: new_tags})
1064 defp normalize_tags(tags) do
1067 |> Enum.map(&String.downcase(&1))
1070 defp local_nickname_regex() do
1071 if Pleroma.Config.get([:instance, :extended_nickname_format]) do
1072 @extended_local_nickname_regex
1074 @strict_local_nickname_regex