distraction.party/lib/pleroma/user.ex

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# Pleroma: A lightweight social networking server
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# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.User do
use Ecto.Schema
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import Ecto.Changeset
import Ecto.Query
alias Comeonin.Pbkdf2
alias Pleroma.Activity
alias Pleroma.Keys
alias Pleroma.Notification
alias Pleroma.Object
alias Pleroma.Registration
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alias Pleroma.Repo
alias Pleroma.User
alias Pleroma.Web
alias Pleroma.Web.ActivityPub.ActivityPub
alias Pleroma.Web.ActivityPub.Utils
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alias Pleroma.Web.CommonAPI.Utils, as: CommonUtils
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alias Pleroma.Web.OAuth
alias Pleroma.Web.OStatus
alias Pleroma.Web.RelMe
alias Pleroma.Web.Websub
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require Logger
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@type t :: %__MODULE__{}
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@primary_key {:id, Pleroma.FlakeId, autogenerate: true}
# credo:disable-for-next-line Credo.Check.Readability.MaxLineLength
@email_regex ~r/^[a-zA-Z0-9.!#$%&'*+\/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$/
@strict_local_nickname_regex ~r/^[a-zA-Z\d]+$/
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@extended_local_nickname_regex ~r/^[a-zA-Z\d_-]+$/
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schema "users" do
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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(:follower_address, :string)
field(:search_rank, :float, virtual: true)
field(:search_type, :integer, virtual: true)
field(:tags, {:array, :string}, default: [])
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field(:last_refreshed_at, :naive_datetime_usec)
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has_many(:notifications, Notification)
has_many(:registrations, Registration)
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embeds_one(:info, User.Info)
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timestamps()
end
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def auth_active?(%User{info: %User.Info{confirmation_pending: true}}),
do: !Pleroma.Config.get([:instance, :account_activation_required])
def auth_active?(%User{}), do: true
def visible_for?(user, for_user \\ nil)
def visible_for?(%User{id: user_id}, %User{id: for_id}) when user_id == for_id, do: true
def visible_for?(%User{} = user, for_user) do
auth_active?(user) || superuser?(for_user)
end
def visible_for?(_, _), do: false
def superuser?(%User{local: true, info: %User.Info{is_admin: true}}), do: true
def superuser?(%User{local: true, info: %User.Info{is_moderator: true}}), do: true
def superuser?(_), do: false
def avatar_url(user, options \\ []) do
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case user.avatar do
%{"url" => [%{"href" => href} | _]} -> href
_ -> !options[:no_default] && "#{Web.base_url()}/images/avi.png"
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end
end
def banner_url(user, options \\ []) do
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case user.info.banner do
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%{"url" => [%{"href" => href} | _]} -> href
_ -> !options[:no_default] && "#{Web.base_url()}/images/banner.png"
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end
end
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def profile_url(%User{info: %{source_data: %{"url" => url}}}), do: url
def profile_url(%User{ap_id: ap_id}), do: ap_id
def profile_url(_), do: nil
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def ap_id(%User{nickname: nickname}) do
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"#{Web.base_url()}/users/#{nickname}"
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end
def ap_followers(%User{follower_address: fa}) when is_binary(fa), do: fa
def ap_followers(%User{} = user), do: "#{ap_id(user)}/followers"
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def user_info(%User{} = user) do
%{
following_count: following_count(user),
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note_count: user.info.note_count,
follower_count: user.info.follower_count,
locked: user.info.locked,
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confirmation_pending: user.info.confirmation_pending,
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default_scope: user.info.default_scope
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}
end
def restrict_deactivated(query) do
from(u in query,
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where: not fragment("? \\? 'deactivated' AND ?->'deactivated' @> 'true'", u.info, u.info)
)
end
def following_count(%User{following: []}), do: 0
def following_count(%User{} = user) do
user
|> get_friends_query()
|> Repo.aggregate(:count, :id)
end
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def remote_user_creation(params) do
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params =
params
|> Map.put(:info, params[:info] || %{})
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info_cng = User.Info.remote_user_creation(%User.Info{}, params[:info])
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changes =
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%User{}
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|> cast(params, [:bio, :name, :ap_id, :nickname, :avatar])
|> validate_required([:name, :ap_id])
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|> unique_constraint(:nickname)
|> validate_format(:nickname, @email_regex)
|> validate_length(:bio, max: 5000)
|> validate_length(:name, max: 100)
|> put_change(:local, false)
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|> put_embed(:info, info_cng)
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if changes.valid? do
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case info_cng.changes[:source_data] do
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%{"followers" => followers} ->
changes
|> put_change(:follower_address, followers)
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_ ->
followers = User.ap_followers(%User{nickname: changes.changes[:nickname]})
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changes
|> put_change(:follower_address, followers)
end
else
changes
end
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end
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def update_changeset(struct, params \\ %{}) do
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struct
|> cast(params, [:bio, :name, :avatar, :following])
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|> unique_constraint(:nickname)
|> validate_format(:nickname, local_nickname_regex())
|> validate_length(:bio, max: 5000)
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|> validate_length(:name, min: 1, max: 100)
end
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def upgrade_changeset(struct, params \\ %{}) do
params =
params
|> Map.put(:last_refreshed_at, NaiveDateTime.utc_now())
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info_cng =
struct.info
|> User.Info.user_upgrade(params[:info])
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struct
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|> cast(params, [:bio, :name, :follower_address, :avatar, :last_refreshed_at])
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|> unique_constraint(:nickname)
|> validate_format(:nickname, local_nickname_regex())
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|> validate_length(:bio, max: 5000)
|> validate_length(:name, max: 100)
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|> put_embed(:info, info_cng)
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end
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def password_update_changeset(struct, params) do
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changeset =
struct
|> cast(params, [:password, :password_confirmation])
|> validate_required([:password, :password_confirmation])
|> validate_confirmation(:password)
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OAuth.Token.delete_user_tokens(struct)
OAuth.Authorization.delete_user_authorizations(struct)
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if changeset.valid? do
hashed = Pbkdf2.hashpwsalt(changeset.changes[:password])
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changeset
|> put_change(:password_hash, hashed)
else
changeset
end
end
def reset_password(user, data) do
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update_and_set_cache(password_update_changeset(user, data))
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end
def register_changeset(struct, params \\ %{}, opts \\ []) do
need_confirmation? =
if is_nil(opts[:need_confirmation]) do
Pleroma.Config.get([:instance, :account_activation_required])
else
opts[:need_confirmation]
end
info_change =
User.Info.confirmation_changeset(%User.Info{}, need_confirmation: need_confirmation?)
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changeset =
struct
|> cast(params, [:bio, :email, :name, :nickname, :password, :password_confirmation])
|> validate_required([:name, :nickname, :password, :password_confirmation])
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|> validate_confirmation(:password)
|> unique_constraint(:email)
|> unique_constraint(:nickname)
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|> validate_exclusion(:nickname, Pleroma.Config.get([User, :restricted_nicknames]))
|> validate_format(:nickname, local_nickname_regex())
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|> validate_format(:email, @email_regex)
|> validate_length(:bio, max: 1000)
|> validate_length(:name, min: 1, max: 100)
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|> put_change(:info, info_change)
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changeset =
if opts[:external] do
changeset
else
validate_required(changeset, [:email])
end
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if changeset.valid? do
hashed = Pbkdf2.hashpwsalt(changeset.changes[:password])
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ap_id = User.ap_id(%User{nickname: changeset.changes[:nickname]})
followers = User.ap_followers(%User{nickname: changeset.changes[:nickname]})
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changeset
|> put_change(:password_hash, hashed)
|> put_change(:ap_id, ap_id)
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|> unique_constraint(:ap_id)
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|> put_change(:following, [followers])
|> put_change(:follower_address, followers)
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else
changeset
end
end
defp autofollow_users(user) do
candidates = Pleroma.Config.get([:instance, :autofollowed_nicknames])
autofollowed_users =
User.Query.build(%{nickname: candidates, local: true, deactivated: false})
|> Repo.all()
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follow_all(user, autofollowed_users)
end
@doc "Inserts provided changeset, performs post-registration actions (confirmation email sending etc.)"
def register(%Ecto.Changeset{} = changeset) do
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with {:ok, user} <- Repo.insert(changeset),
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{:ok, user} <- autofollow_users(user),
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{:ok, user} <- set_cache(user),
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{:ok, _} <- User.WelcomeMessage.post_welcome_message_to_user(user),
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{:ok, _} <- try_send_confirmation_email(user) do
{:ok, user}
end
end
def try_send_confirmation_email(%User{} = user) do
if user.info.confirmation_pending &&
Pleroma.Config.get([:instance, :account_activation_required]) do
user
|> Pleroma.Emails.UserEmail.account_confirmation_email()
|> Pleroma.Emails.Mailer.deliver_async()
{:ok, :enqueued}
else
{:ok, :noop}
end
end
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) >= 86_400
end
def needs_update?(_), do: true
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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
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if not User.ap_enabled?(followed) do
follow(follower, followed)
else
{:ok, follower}
end
end
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def maybe_follow(%User{} = follower, %User{info: _info} = followed) do
if not following?(follower, followed) do
follow(follower, followed)
else
{:ok, follower}
end
end
@doc "A mass follow for local users. Respects blocks in both directions but does not create activities."
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@spec follow_all(User.t(), list(User.t())) :: {atom(), User.t()}
def follow_all(follower, followeds) do
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followed_addresses =
followeds
|> Enum.reject(fn followed -> blocks?(follower, followed) || blocks?(followed, follower) end)
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|> Enum.map(fn %{follower_address: fa} -> fa end)
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q =
from(u in User,
where: u.id == ^follower.id,
update: [
set: [
following:
fragment(
"array(select distinct unnest (array_cat(?, ?)))",
u.following,
^followed_addresses
)
]
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],
select: u
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)
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{1, [follower]} = Repo.update_all(q, [])
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Enum.each(followeds, fn followed ->
update_follower_count(followed)
end)
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set_cache(follower)
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end
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def follow(%User{} = follower, %User{info: info} = followed) do
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deny_follow_blocked = Pleroma.Config.get([:user, :deny_follow_blocked])
ap_followers = followed.follower_address
cond do
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following?(follower, followed) or info.deactivated ->
{:error, "Could not follow user: #{followed.nickname} is already on your list."}
deny_follow_blocked and blocks?(followed, follower) ->
{:error, "Could not follow user: #{followed.nickname} blocked you."}
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true ->
if !followed.local && follower.local && !ap_enabled?(followed) do
Websub.subscribe(follower, followed)
end
q =
from(u in User,
where: u.id == ^follower.id,
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update: [push: [following: ^ap_followers]],
select: u
)
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{1, [follower]} = Repo.update_all(q, [])
{:ok, _} = update_follower_count(followed)
set_cache(follower)
end
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end
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def unfollow(%User{} = follower, %User{} = followed) do
ap_followers = followed.follower_address
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if following?(follower, followed) and follower.ap_id != followed.ap_id do
q =
from(u in User,
where: u.id == ^follower.id,
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update: [pull: [following: ^ap_followers]],
select: u
)
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{1, [follower]} = Repo.update_all(q, [])
{:ok, followed} = update_follower_count(followed)
set_cache(follower)
{:ok, follower, Utils.fetch_latest_follow(follower, followed)}
else
{:error, "Not subscribed!"}
end
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end
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@spec following?(User.t(), User.t()) :: boolean
def following?(%User{} = follower, %User{} = followed) do
Enum.member?(follower.following, followed.follower_address)
end
def locked?(%User{} = user) do
user.info.locked || false
end
def get_by_id(id) do
Repo.get_by(User, id: id)
end
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def get_by_ap_id(ap_id) do
Repo.get_by(User, ap_id: ap_id)
end
# 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
def get_by_guessed_nickname(ap_id) do
domain = URI.parse(ap_id).host
name = List.last(String.split(ap_id, "/"))
nickname = "#{name}@#{domain}"
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get_cached_by_nickname(nickname)
end
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def set_cache({:ok, user}), do: set_cache(user)
def set_cache({:error, err}), do: {:error, err}
def set_cache(%User{} = user) do
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))
{:ok, user}
end
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def update_and_set_cache(changeset) do
with {:ok, user} <- Repo.update(changeset) do
set_cache(user)
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else
e -> e
end
end
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def invalidate_cache(user) do
Cachex.del(:user_cache, "ap_id:#{user.ap_id}")
Cachex.del(:user_cache, "nickname:#{user.nickname}")
Cachex.del(:user_cache, "user_info:#{user.id}")
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end
def get_cached_by_ap_id(ap_id) do
key = "ap_id:#{ap_id}"
Cachex.fetch!(:user_cache, key, fn _ -> get_by_ap_id(ap_id) end)
end
def get_cached_by_id(id) do
key = "id:#{id}"
ap_id =
Cachex.fetch!(:user_cache, key, fn _ ->
user = get_by_id(id)
if user do
Cachex.put(:user_cache, "ap_id:#{user.ap_id}", user)
{:commit, user.ap_id}
else
{:ignore, ""}
end
end)
get_cached_by_ap_id(ap_id)
end
def get_cached_by_nickname(nickname) do
key = "nickname:#{nickname}"
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Cachex.fetch!(:user_cache, key, fn ->
user_result = get_or_fetch_by_nickname(nickname)
case user_result do
{:ok, user} -> {:commit, user}
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{:error, _error} -> {:ignore, nil}
end
end)
end
def get_cached_by_nickname_or_id(nickname_or_id) do
get_cached_by_id(nickname_or_id) || get_cached_by_nickname(nickname_or_id)
end
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def get_by_nickname(nickname) do
Repo.get_by(User, nickname: nickname) ||
if Regex.match?(~r(@#{Pleroma.Web.Endpoint.host()})i, nickname) do
Repo.get_by(User, nickname: local_nickname(nickname))
end
end
def get_by_email(email), do: Repo.get_by(User, email: email)
def get_by_nickname_or_email(nickname_or_email) do
get_by_nickname(nickname_or_email) || get_by_email(nickname_or_email)
end
def get_cached_user_info(user) do
key = "user_info:#{user.id}"
Cachex.fetch!(:user_cache, key, fn _ -> user_info(user) end)
end
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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
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def get_or_fetch_by_nickname(nickname) do
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with %User{} = user <- get_by_nickname(nickname) do
{:ok, user}
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else
_e ->
with [_nick, _domain] <- String.split(nickname, "@"),
{:ok, user} <- fetch_by_nickname(nickname) do
if Pleroma.Config.get([:fetch_initial_posts, :enabled]) do
fetch_initial_posts(user)
end
{:ok, user}
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else
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_e -> {:error, "not found " <> nickname}
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end
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end
end
@doc "Fetch some posts when the user has just been federated with"
def fetch_initial_posts(user),
do: PleromaJobQueue.enqueue(:background, __MODULE__, [:fetch_initial_posts, user])
@spec get_followers_query(User.t(), pos_integer() | nil) :: Ecto.Query.t()
def get_followers_query(%User{} = user, nil) do
User.Query.build(%{followers: user, deactivated: false})
end
def get_followers_query(user, page) do
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from(u in get_followers_query(user, nil))
|> User.Query.paginate(page, 20)
end
@spec get_followers_query(User.t()) :: Ecto.Query.t()
def get_followers_query(user), do: get_followers_query(user, nil)
def get_followers(user, page \\ nil) do
q = get_followers_query(user, page)
{:ok, Repo.all(q)}
end
def get_followers_ids(user, page \\ nil) do
q = get_followers_query(user, page)
Repo.all(from(u in q, select: u.id))
end
@spec get_friends_query(User.t(), pos_integer() | nil) :: Ecto.Query.t()
def get_friends_query(%User{} = user, nil) do
User.Query.build(%{friends: user, deactivated: false})
end
def get_friends_query(user, page) do
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from(u in get_friends_query(user, nil))
|> User.Query.paginate(page, 20)
end
@spec get_friends_query(User.t()) :: Ecto.Query.t()
def get_friends_query(user), do: get_friends_query(user, nil)
def get_friends(user, page \\ nil) do
q = get_friends_query(user, page)
{:ok, Repo.all(q)}
end
def get_friends_ids(user, page \\ nil) do
q = get_friends_query(user, page)
Repo.all(from(u in q, select: u.id))
end
@spec get_follow_requests(User.t()) :: {:ok, [User.t()]}
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def get_follow_requests(%User{} = user) do
users =
Activity.follow_requests_for_actor(user)
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|> join(:inner, [a], u in User, on: a.actor == u.ap_id)
|> where([a, u], not fragment("? @> ?", u.following, ^[user.follower_address]))
|> group_by([a, u], u.id)
|> select([a, u], u)
|> Repo.all()
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{:ok, users}
end
def increase_note_count(%User{} = user) do
User
|> where(id: ^user.id)
|> update([u],
set: [
info:
fragment(
"jsonb_set(?, '{note_count}', ((?->>'note_count')::int + 1)::varchar::jsonb, true)",
u.info,
u.info
)
]
)
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|> select([u], u)
|> Repo.update_all([])
|> case do
{1, [user]} -> set_cache(user)
_ -> {:error, user}
end
end
def decrease_note_count(%User{} = user) do
User
|> where(id: ^user.id)
|> update([u],
set: [
info:
fragment(
"jsonb_set(?, '{note_count}', (greatest(0, (?->>'note_count')::int - 1))::varchar::jsonb, true)",
u.info,
u.info
)
]
)
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|> select([u], u)
|> Repo.update_all([])
|> case do
{1, [user]} -> set_cache(user)
_ -> {:error, user}
end
end
def update_note_count(%User{} = user) do
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note_count_query =
from(
a in Object,
where: fragment("?->>'actor' = ? and ?->>'type' = 'Note'", a.data, ^user.ap_id, a.data),
select: count(a.id)
)
note_count = Repo.one(note_count_query)
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info_cng = User.Info.set_note_count(user.info, note_count)
user
|> change()
|> put_embed(:info, info_cng)
|> update_and_set_cache()
end
def update_follower_count(%User{} = user) do
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follower_count_query =
User.Query.build(%{followers: user, deactivated: false})
|> select([u], %{count: count(u.id)})
User
|> where(id: ^user.id)
|> join(:inner, [u], s in subquery(follower_count_query))
|> update([u, s],
set: [
info:
fragment(
"jsonb_set(?, '{follower_count}', ?::varchar::jsonb, true)",
u.info,
s.count
)
]
)
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|> select([u], u)
|> Repo.update_all([])
|> case do
{1, [user]} -> set_cache(user)
_ -> {:error, user}
end
end
def remove_duplicated_following(%User{following: following} = user) do
uniq_following = Enum.uniq(following)
if length(following) == length(uniq_following) do
{:ok, user}
else
user
|> update_changeset(%{following: uniq_following})
|> update_and_set_cache()
end
end
@spec get_users_from_set([String.t()], boolean()) :: [User.t()]
def get_users_from_set(ap_ids, local_only \\ true) do
criteria = %{ap_id: ap_ids, deactivated: false}
criteria = if local_only, do: Map.put(criteria, :local, true), else: criteria
User.Query.build(criteria)
|> Repo.all()
end
@spec get_recipients_from_activity(Activity.t()) :: [User.t()]
def get_recipients_from_activity(%Activity{recipients: to}) do
User.Query.build(%{recipients_from_activity: to, local: true, deactivated: false})
|> Repo.all()
end
def search(query, resolve \\ false, for_user \\ nil) do
# Strip the beginning @ off if there is a query
query = String.trim_leading(query, "@")
if resolve, do: get_or_fetch(query)
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{:ok, results} =
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Repo.transaction(fn ->
Ecto.Adapters.SQL.query(Repo, "select set_limit(0.25)", [])
Repo.all(search_query(query, for_user))
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end)
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results
end
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def search_query(query, for_user) do
fts_subquery = fts_search_subquery(query)
trigram_subquery = trigram_search_subquery(query)
union_query = from(s in trigram_subquery, union_all: ^fts_subquery)
distinct_query = from(s in subquery(union_query), order_by: s.search_type, distinct: s.id)
from(s in subquery(boost_search_rank_query(distinct_query, for_user)),
order_by: [desc: s.search_rank],
limit: 40
)
end
defp boost_search_rank_query(query, nil), do: query
defp boost_search_rank_query(query, for_user) do
friends_ids = get_friends_ids(for_user)
followers_ids = get_followers_ids(for_user)
from(u in subquery(query),
select_merge: %{
search_rank:
fragment(
"""
CASE WHEN (?) THEN (?) * 1.3
WHEN (?) THEN (?) * 1.2
WHEN (?) THEN (?) * 1.1
ELSE (?) END
""",
u.id in ^friends_ids and u.id in ^followers_ids,
u.search_rank,
u.id in ^friends_ids,
u.search_rank,
u.id in ^followers_ids,
u.search_rank,
u.search_rank
)
}
)
end
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defp fts_search_subquery(term, query \\ User) do
processed_query =
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term
|> String.replace(~r/\W+/, " ")
|> String.trim()
|> String.split()
|> Enum.map(&(&1 <> ":*"))
|> Enum.join(" | ")
from(
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u in query,
select_merge: %{
search_type: ^0,
search_rank:
fragment(
"""
ts_rank_cd(
setweight(to_tsvector('simple', regexp_replace(?, '\\W', ' ', 'g')), 'A') ||
setweight(to_tsvector('simple', regexp_replace(coalesce(?, ''), '\\W', ' ', 'g')), 'B'),
to_tsquery('simple', ?),
32
)
""",
u.nickname,
u.name,
^processed_query
)
},
where:
fragment(
"""
(setweight(to_tsvector('simple', regexp_replace(?, '\\W', ' ', 'g')), 'A') ||
setweight(to_tsvector('simple', regexp_replace(coalesce(?, ''), '\\W', ' ', 'g')), 'B')) @@ to_tsquery('simple', ?)
""",
u.nickname,
u.name,
^processed_query
)
)
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|> restrict_deactivated()
end
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defp trigram_search_subquery(term) do
from(
u in User,
select_merge: %{
# ^1 gives 'Postgrex expected a binary, got 1' for some weird reason
search_type: fragment("?", 1),
search_rank:
fragment(
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"similarity(?, trim(? || ' ' || coalesce(?, '')))",
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^term,
u.nickname,
u.name
)
},
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where: fragment("trim(? || ' ' || coalesce(?, '')) % ?", u.nickname, u.name, ^term)
)
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|> restrict_deactivated()
end
def mute(muter, %User{ap_id: ap_id}) do
info_cng =
muter.info
|> User.Info.add_to_mutes(ap_id)
cng =
change(muter)
|> put_embed(:info, info_cng)
update_and_set_cache(cng)
end
def unmute(muter, %{ap_id: ap_id}) do
info_cng =
muter.info
|> User.Info.remove_from_mutes(ap_id)
cng =
change(muter)
|> put_embed(:info, info_cng)
update_and_set_cache(cng)
end
def subscribe(subscriber, %{ap_id: ap_id}) do
deny_follow_blocked = Pleroma.Config.get([:user, :deny_follow_blocked])
with %User{} = subscribed <- get_cached_by_ap_id(ap_id) do
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blocked = blocks?(subscribed, subscriber) and deny_follow_blocked
if blocked do
{:error, "Could not subscribe: #{subscribed.nickname} is blocking you"}
else
info_cng =
subscribed.info
|> User.Info.add_to_subscribers(subscriber.ap_id)
change(subscribed)
|> put_embed(:info, info_cng)
|> update_and_set_cache()
end
end
end
def unsubscribe(unsubscriber, %{ap_id: ap_id}) do
with %User{} = user <- get_cached_by_ap_id(ap_id) do
info_cng =
user.info
|> User.Info.remove_from_subscribers(unsubscriber.ap_id)
change(user)
|> put_embed(:info, info_cng)
|> update_and_set_cache()
end
end
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
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blocker =
if subscribed_to?(blocked, blocker) do
{:ok, blocker} = unsubscribe(blocked, blocker)
blocker
else
blocker
end
if following?(blocked, blocker) do
unfollow(blocked, blocker)
end
{:ok, blocker} = update_follower_count(blocker)
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info_cng =
blocker.info
|> User.Info.add_to_block(ap_id)
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cng =
change(blocker)
|> put_embed(:info, info_cng)
update_and_set_cache(cng)
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end
# helper to handle the block given only an actor's AP id
def block(blocker, %{ap_id: ap_id}) do
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block(blocker, get_cached_by_ap_id(ap_id))
end
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def unblock(blocker, %{ap_id: ap_id}) do
info_cng =
blocker.info
|> User.Info.remove_from_block(ap_id)
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cng =
change(blocker)
|> put_embed(:info, info_cng)
update_and_set_cache(cng)
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end
def mutes?(nil, _), do: false
def mutes?(user, %{ap_id: ap_id}), do: Enum.member?(user.info.mutes, ap_id)
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def blocks?(user, %{ap_id: ap_id}) do
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blocks = user.info.blocks
domain_blocks = user.info.domain_blocks
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%{host: host} = URI.parse(ap_id)
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Enum.member?(blocks, ap_id) ||
Enum.any?(domain_blocks, fn domain ->
host == domain
end)
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end
def subscribed_to?(user, %{ap_id: ap_id}) do
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with %User{} = target <- get_cached_by_ap_id(ap_id) do
Enum.member?(target.info.subscribers, user.ap_id)
end
end
@spec muted_users(User.t()) :: [User.t()]
def muted_users(user) do
User.Query.build(%{ap_id: user.info.mutes, deactivated: false})
|> Repo.all()
end
@spec blocked_users(User.t()) :: [User.t()]
def blocked_users(user) do
User.Query.build(%{ap_id: user.info.blocks, deactivated: false})
|> Repo.all()
end
@spec subscribers(User.t()) :: [User.t()]
def subscribers(user) do
User.Query.build(%{ap_id: user.info.subscribers, deactivated: false})
|> Repo.all()
end
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def block_domain(user, domain) do
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info_cng =
user.info
|> User.Info.add_to_domain_block(domain)
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cng =
change(user)
|> put_embed(:info, info_cng)
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update_and_set_cache(cng)
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end
def unblock_domain(user, domain) do
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info_cng =
user.info
|> User.Info.remove_from_domain_block(domain)
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cng =
change(user)
|> put_embed(:info, info_cng)
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update_and_set_cache(cng)
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end
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def deactivate_async(user, status \\ true) do
PleromaJobQueue.enqueue(:background, __MODULE__, [:deactivate_async, user, status])
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end
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def deactivate(%User{} = user, status \\ true) do
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info_cng = User.Info.set_activation_status(user.info, status)
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with {:ok, friends} <- User.get_friends(user),
{:ok, followers} <- User.get_followers(user),
{:ok, user} <-
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user
|> change()
|> put_embed(:info, info_cng)
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|> update_and_set_cache() do
Enum.each(followers, &invalidate_cache(&1))
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Enum.each(friends, &update_follower_count(&1))
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{:ok, user}
end
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end
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def update_notification_settings(%User{} = user, settings \\ %{}) do
info_changeset = User.Info.update_notification_settings(user.info, settings)
change(user)
|> put_embed(:info, info_changeset)
|> update_and_set_cache()
end
@spec delete(User.t()) :: :ok
def delete(%User{} = user),
do: PleromaJobQueue.enqueue(:background, __MODULE__, [:delete, user])
@spec perform(atom(), User.t()) :: {:ok, User.t()}
def perform(:delete, %User{} = user) do
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{:ok, user} = User.deactivate(user)
# Remove all relationships
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{:ok, followers} = User.get_followers(user)
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Enum.each(followers, fn follower -> User.unfollow(follower, user) end)
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{:ok, friends} = User.get_friends(user)
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Enum.each(friends, fn followed -> User.unfollow(user, followed) end)
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delete_user_activities(user)
end
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@spec perform(atom(), User.t()) :: {:ok, User.t()}
def perform(:fetch_initial_posts, %User{} = user) do
pages = Pleroma.Config.get!([:fetch_initial_posts, :pages])
Enum.each(
# Insert all the posts in reverse order, so they're in the right order on the timeline
Enum.reverse(Utils.fetch_ordered_collection(user.info.source_data["outbox"], pages)),
&Pleroma.Web.Federator.incoming_ap_doc/1
)
{:ok, user}
end
def perform(:deactivate_async, user, status), do: deactivate(user, status)
@spec perform(atom(), User.t(), list()) :: list() | {:error, any()}
def perform(:blocks_import, %User{} = blocker, blocked_identifiers)
when is_list(blocked_identifiers) do
Enum.map(
blocked_identifiers,
fn blocked_identifier ->
with {:ok, %User{} = blocked} <- get_or_fetch(blocked_identifier),
{:ok, blocker} <- block(blocker, blocked),
{:ok, _} <- ActivityPub.block(blocker, blocked) do
blocked
else
err ->
Logger.debug("blocks_import failed for #{blocked_identifier} with: #{inspect(err)}")
err
end
end
)
end
@spec perform(atom(), User.t(), list()) :: list() | {:error, any()}
def perform(:follow_import, %User{} = follower, followed_identifiers)
when is_list(followed_identifiers) do
Enum.map(
followed_identifiers,
fn followed_identifier ->
with {:ok, %User{} = followed} <- get_or_fetch(followed_identifier),
{:ok, follower} <- maybe_direct_follow(follower, followed),
{:ok, _} <- ActivityPub.follow(follower, followed) do
followed
else
err ->
Logger.debug("follow_import failed for #{followed_identifier} with: #{inspect(err)}")
err
end
end
)
end
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def blocks_import(%User{} = blocker, blocked_identifiers) when is_list(blocked_identifiers),
do:
PleromaJobQueue.enqueue(:background, __MODULE__, [
:blocks_import,
blocker,
blocked_identifiers
])
def follow_import(%User{} = follower, followed_identifiers) when is_list(followed_identifiers),
do:
PleromaJobQueue.enqueue(:background, __MODULE__, [
:follow_import,
follower,
followed_identifiers
])
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def delete_user_activities(%User{ap_id: ap_id} = user) do
stream =
ap_id
|> Activity.query_by_actor()
|> Repo.stream()
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Repo.transaction(fn -> Enum.each(stream, &delete_activity(&1)) end, timeout: :infinity)
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{:ok, user}
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end
defp delete_activity(%{data: %{"type" => "Create"}} = activity) do
Object.normalize(activity) |> ActivityPub.delete()
end
defp delete_activity(_activity), do: "Doing nothing"
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def html_filter_policy(%User{info: %{no_rich_text: true}}) do
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Pleroma.HTML.Scrubber.TwitterText
end
@default_scrubbers Pleroma.Config.get([:markup, :scrub_policy])
def html_filter_policy(_), do: @default_scrubbers
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def fetch_by_ap_id(ap_id) do
ap_try = ActivityPub.make_user_from_ap_id(ap_id)
case ap_try do
{:ok, user} ->
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{:ok, user}
_ ->
case OStatus.make_user(ap_id) do
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{:ok, user} -> {:ok, user}
_ -> {:error, "Could not fetch by AP id"}
end
end
end
def get_or_fetch_by_ap_id(ap_id) do
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user = get_cached_by_ap_id(ap_id)
if !is_nil(user) and !User.needs_update?(user) do
{:ok, user}
else
# Whether to fetch initial posts for the user (if it's a new user & the fetching is enabled)
should_fetch_initial = is_nil(user) and Pleroma.Config.get([:fetch_initial_posts, :enabled])
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resp = fetch_by_ap_id(ap_id)
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if should_fetch_initial do
with {:ok, %User{} = user} <- resp do
fetch_initial_posts(user)
end
end
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resp
end
end
def get_or_create_instance_user do
relay_uri = "#{Pleroma.Web.Endpoint.url()}/relay"
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if user = get_cached_by_ap_id(relay_uri) do
user
else
changes =
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%User{info: %User.Info{}}
|> cast(%{}, [:ap_id, :nickname, :local])
|> put_change(:ap_id, relay_uri)
|> put_change(:nickname, nil)
|> put_change(:local, true)
|> put_change(:follower_address, relay_uri <> "/followers")
{:ok, user} = Repo.insert(changes)
user
end
end
# AP style
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def public_key_from_info(%{
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source_data: %{"publicKey" => %{"publicKeyPem" => public_key_pem}}
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}) do
key =
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public_key_pem
|> :public_key.pem_decode()
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|> hd()
|> :public_key.pem_entry_decode()
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{:ok, key}
end
# OStatus Magic Key
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def public_key_from_info(%{magic_key: magic_key}) do
{:ok, Pleroma.Web.Salmon.decode_key(magic_key)}
end
def get_public_key_for_ap_id(ap_id) do
with {:ok, %User{} = user} <- get_or_fetch_by_ap_id(ap_id),
{:ok, public_key} <- public_key_from_info(user.info) do
{:ok, public_key}
else
_ -> :error
end
end
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defp blank?(""), do: nil
defp blank?(n), do: n
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def insert_or_update_user(data) do
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data
|> Map.put(:name, blank?(data[:name]) || data[:nickname])
|> remote_user_creation()
|> Repo.insert(on_conflict: :replace_all, conflict_target: :nickname)
|> set_cache()
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end
def ap_enabled?(%User{local: true}), do: true
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def ap_enabled?(%User{info: info}), do: info.ap_enabled
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def ap_enabled?(_), do: false
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@doc "Gets or fetch a user by uri or nickname."
@spec get_or_fetch(String.t()) :: {:ok, User.t()} | {:error, String.t()}
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def get_or_fetch("http" <> _host = uri), do: get_or_fetch_by_ap_id(uri)
def get_or_fetch(nickname), do: get_or_fetch_by_nickname(nickname)
# 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
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with %User{} = a <- User.get_cached_by_id(a.id),
%User{} = b <- User.get_cached_by_id(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),
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%User{} = a <- User.get_cached_by_id(a.id),
%User{} = b <- User.get_cached_by_id(b.id) do
{:ok, a, b}
else
_e ->
:error
end
end
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def parse_bio(bio) when is_binary(bio) and bio != "" do
bio
|> CommonUtils.format_input("text/plain", mentions_format: :full)
|> elem(0)
end
def parse_bio(_), do: ""
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def parse_bio(bio, user) when is_binary(bio) and bio != "" do
# TODO: get profile URLs other than user.ap_id
profile_urls = [user.ap_id]
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bio
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|> CommonUtils.format_input("text/plain",
mentions_format: :full,
rel: &RelMe.maybe_put_rel_me(&1, profile_urls)
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)
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|> elem(0)
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end
def parse_bio(_, _), do: ""
def tag(user_identifiers, tags) when is_list(user_identifiers) do
Repo.transaction(fn ->
for user_identifier <- user_identifiers, do: tag(user_identifier, tags)
end)
end
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def tag(nickname, tags) when is_binary(nickname),
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do: tag(get_by_nickname(nickname), tags)
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def tag(%User{} = user, tags),
do: update_tags(user, Enum.uniq((user.tags || []) ++ normalize_tags(tags)))
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def untag(user_identifiers, tags) when is_list(user_identifiers) do
Repo.transaction(fn ->
for user_identifier <- user_identifiers, do: untag(user_identifier, tags)
end)
end
def untag(nickname, tags) when is_binary(nickname),
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do: untag(get_by_nickname(nickname), tags)
def untag(%User{} = user, tags),
do: update_tags(user, (user.tags || []) -- normalize_tags(tags))
defp update_tags(%User{} = user, new_tags) do
{:ok, updated_user} =
user
|> change(%{tags: new_tags})
|> update_and_set_cache()
updated_user
end
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defp normalize_tags(tags) do
[tags]
|> List.flatten()
|> Enum.map(&String.downcase(&1))
end
defp local_nickname_regex do
if Pleroma.Config.get([:instance, :extended_nickname_format]) do
@extended_local_nickname_regex
else
@strict_local_nickname_regex
end
end
def local_nickname(nickname_or_mention) do
nickname_or_mention
|> full_nickname()
|> String.split("@")
|> hd()
end
def full_nickname(nickname_or_mention),
do: String.trim_leading(nickname_or_mention, "@")
def error_user(ap_id) do
%User{
name: ap_id,
ap_id: ap_id,
info: %User.Info{},
nickname: "erroruser@example.com",
inserted_at: NaiveDateTime.utc_now()
}
end
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@spec all_superusers() :: [User.t()]
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def all_superusers do
User.Query.build(%{super_users: true, local: true, deactivated: false})
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|> Repo.all()
end
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def showing_reblogs?(%User{} = user, %User{} = target) do
target.ap_id not in user.info.muted_reblogs
end
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@spec toggle_confirmation(User.t()) :: {:ok, User.t()} | {:error, Changeset.t()}
def toggle_confirmation(%User{} = user) do
need_confirmation? = !user.info.confirmation_pending
info_changeset =
User.Info.confirmation_changeset(user.info, need_confirmation: need_confirmation?)
user
|> change()
|> put_embed(:info, info_changeset)
|> update_and_set_cache()
end
def get_mascot(%{info: %{mascot: %{} = mascot}}) when not is_nil(mascot) do
mascot
end
def get_mascot(%{info: %{mascot: mascot}}) when is_nil(mascot) do
# use instance-default
config = Pleroma.Config.get([:assets, :mascots])
default_mascot = Pleroma.Config.get([:assets, :default_mascot])
mascot = Keyword.get(config, default_mascot)
%{
"id" => "default-mascot",
"url" => mascot[:url],
"preview_url" => mascot[:url],
"pleroma" => %{
"mime_type" => mascot[:mime_type]
}
}
end
def ensure_keys_present(user) do
info = user.info
if info.keys do
{:ok, user}
else
{:ok, pem} = Keys.generate_rsa_pem()
info_cng =
info
|> User.Info.set_keys(pem)
cng =
Ecto.Changeset.change(user)
|> Ecto.Changeset.put_embed(:info, info_cng)
update_and_set_cache(cng)
end
end
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end