767 lines
20 KiB
Elixir
767 lines
20 KiB
Elixir
defmodule Pleroma.User do
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use Ecto.Schema
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import Ecto.{Changeset, Query}
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alias Pleroma.{Repo, User, Object, Web, Activity, Notification}
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alias Comeonin.Pbkdf2
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alias Pleroma.Web.{OStatus, Websub}
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alias Pleroma.Web.ActivityPub.{Utils, ActivityPub}
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schema "users" do
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field(:bio, :string)
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field(:email, :string)
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field(:name, :string)
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field(:nickname, :string)
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field(:password_hash, :string)
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field(:password, :string, virtual: true)
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field(:password_confirmation, :string, virtual: true)
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field(:following, {:array, :string}, default: [])
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field(:ap_id, :string)
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field(:avatar, :map)
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field(:local, :boolean, default: true)
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field(:info, :map, default: %{})
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field(:follower_address, :string)
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field(:search_distance, :float, virtual: true)
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field(:last_refreshed_at, :naive_datetime)
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has_many(:notifications, Notification)
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timestamps()
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end
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def avatar_url(user) do
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case user.avatar do
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%{"url" => [%{"href" => href} | _]} -> href
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_ -> "#{Web.base_url()}/images/avi.png"
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end
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end
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def banner_url(user) do
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case user.info["banner"] do
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%{"url" => [%{"href" => href} | _]} -> href
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_ -> "#{Web.base_url()}/images/banner.png"
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end
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end
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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
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def ap_followers(%User{} = user) do
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"#{ap_id(user)}/followers"
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end
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def follow_changeset(struct, params \\ %{}) do
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struct
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|> cast(params, [:following])
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|> validate_required([:following])
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end
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def info_changeset(struct, params \\ %{}) do
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struct
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|> cast(params, [:info])
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|> validate_required([:info])
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end
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def user_info(%User{} = user) do
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oneself = if user.local, do: 1, else: 0
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%{
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following_count: length(user.following) - oneself,
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note_count: user.info["note_count"] || 0,
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follower_count: user.info["follower_count"] || 0,
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locked: user.info["locked"] || false,
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default_scope: user.info["default_scope"] || "public"
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}
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end
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@email_regex ~r/^[a-zA-Z0-9.!#$%&'*+\/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$/
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def remote_user_creation(params) do
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changes =
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%User{}
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|> cast(params, [:bio, :name, :ap_id, :nickname, :info, :avatar])
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|> validate_required([:name, :ap_id])
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|> unique_constraint(:nickname)
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|> validate_format(:nickname, @email_regex)
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|> validate_length(:bio, max: 5000)
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|> validate_length(:name, max: 100)
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|> put_change(:local, false)
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if changes.valid? do
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case changes.changes[:info]["source_data"] do
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%{"followers" => followers} ->
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changes
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|> put_change(:follower_address, followers)
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_ ->
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followers = User.ap_followers(%User{nickname: changes.changes[:nickname]})
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changes
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|> put_change(:follower_address, followers)
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end
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else
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changes
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end
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end
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def update_changeset(struct, params \\ %{}) do
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struct
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|> cast(params, [:bio, :name])
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|> unique_constraint(:nickname)
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|> validate_format(:nickname, ~r/^[a-zA-Z\d]+$/)
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|> validate_length(:bio, max: 5000)
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|> validate_length(:name, min: 1, max: 100)
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end
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def upgrade_changeset(struct, params \\ %{}) do
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params =
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params
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|> Map.put(:last_refreshed_at, NaiveDateTime.utc_now())
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struct
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|> cast(params, [:bio, :name, :info, :follower_address, :avatar, :last_refreshed_at])
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|> unique_constraint(:nickname)
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|> validate_format(:nickname, ~r/^[a-zA-Z\d]+$/)
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|> validate_length(:bio, max: 5000)
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|> validate_length(:name, max: 100)
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end
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def password_update_changeset(struct, params) do
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changeset =
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struct
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|> cast(params, [:password, :password_confirmation])
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|> validate_required([:password, :password_confirmation])
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|> validate_confirmation(:password)
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if changeset.valid? do
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hashed = Pbkdf2.hashpwsalt(changeset.changes[:password])
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changeset
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|> put_change(:password_hash, hashed)
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else
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changeset
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end
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end
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def reset_password(user, data) do
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update_and_set_cache(password_update_changeset(user, data))
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end
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def register_changeset(struct, params \\ %{}) do
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changeset =
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struct
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|> cast(params, [:bio, :email, :name, :nickname, :password, :password_confirmation])
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|> validate_required([:email, :name, :nickname, :password, :password_confirmation])
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|> validate_confirmation(:password)
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|> unique_constraint(:email)
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|> unique_constraint(:nickname)
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|> validate_format(:nickname, ~r/^[a-zA-Z\d]+$/)
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|> validate_format(:email, @email_regex)
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|> validate_length(:bio, max: 1000)
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|> validate_length(:name, min: 1, max: 100)
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if changeset.valid? do
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hashed = Pbkdf2.hashpwsalt(changeset.changes[:password])
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ap_id = User.ap_id(%User{nickname: changeset.changes[:nickname]})
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followers = User.ap_followers(%User{nickname: changeset.changes[:nickname]})
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changeset
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|> put_change(:password_hash, hashed)
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|> put_change(:ap_id, ap_id)
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|> put_change(:following, [followers])
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|> put_change(:follower_address, followers)
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else
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changeset
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end
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end
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def needs_update?(%User{local: true}), do: false
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def needs_update?(%User{local: false, last_refreshed_at: nil}), do: true
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def needs_update?(%User{local: false} = user) do
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NaiveDateTime.diff(NaiveDateTime.utc_now(), user.last_refreshed_at) >= 86400
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end
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def needs_update?(_), do: true
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def maybe_direct_follow(%User{} = follower, %User{info: info} = followed) do
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user_config = Application.get_env(:pleroma, :user)
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deny_follow_blocked = Keyword.get(user_config, :deny_follow_blocked)
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user_info = user_info(followed)
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should_direct_follow =
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cond do
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# if the account is locked, don't pre-create the relationship
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user_info[:locked] == true ->
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false
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# if the users are blocking each other, we shouldn't even be here, but check for it anyway
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deny_follow_blocked and
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(User.blocks?(follower, followed) or User.blocks?(followed, follower)) ->
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false
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# if OStatus, then there is no three-way handshake to follow
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User.ap_enabled?(followed) != true ->
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true
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# if there are no other reasons not to, just pre-create the relationship
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true ->
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true
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end
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if should_direct_follow do
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follow(follower, followed)
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else
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{:ok, follower}
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end
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end
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def maybe_follow(%User{} = follower, %User{info: info} = followed) do
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if not following?(follower, followed) do
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follow(follower, followed)
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else
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{:ok, follower}
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end
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end
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def follow(%User{} = follower, %User{info: info} = followed) do
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user_config = Application.get_env(:pleroma, :user)
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deny_follow_blocked = Keyword.get(user_config, :deny_follow_blocked)
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ap_followers = followed.follower_address
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cond do
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following?(follower, followed) or info["deactivated"] ->
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{:error, "Could not follow user: #{followed.nickname} is already on your list."}
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deny_follow_blocked and blocks?(followed, follower) ->
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{:error, "Could not follow user: #{followed.nickname} blocked you."}
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true ->
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if !followed.local && follower.local && !ap_enabled?(followed) do
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Websub.subscribe(follower, followed)
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end
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following =
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[ap_followers | follower.following]
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|> Enum.uniq()
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follower =
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follower
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|> follow_changeset(%{following: following})
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|> update_and_set_cache
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{:ok, _} = update_follower_count(followed)
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follower
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end
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end
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def unfollow(%User{} = follower, %User{} = followed) do
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ap_followers = followed.follower_address
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if following?(follower, followed) and follower.ap_id != followed.ap_id do
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following =
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follower.following
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|> List.delete(ap_followers)
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{:ok, follower} =
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follower
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|> follow_changeset(%{following: following})
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|> update_and_set_cache
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{:ok, followed} = update_follower_count(followed)
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{:ok, follower, Utils.fetch_latest_follow(follower, followed)}
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else
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{:error, "Not subscribed!"}
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end
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end
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def following?(%User{} = follower, %User{} = followed) do
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Enum.member?(follower.following, followed.follower_address)
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end
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def locked?(%User{} = user) do
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user.info["locked"] || false
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end
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def get_by_ap_id(ap_id) do
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Repo.get_by(User, ap_id: ap_id)
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end
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def update_and_set_cache(changeset) do
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with {:ok, user} <- Repo.update(changeset) do
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Cachex.put(:user_cache, "ap_id:#{user.ap_id}", user)
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Cachex.put(:user_cache, "nickname:#{user.nickname}", user)
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Cachex.put(:user_cache, "user_info:#{user.id}", user_info(user))
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{:ok, user}
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else
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e -> e
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end
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end
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def invalidate_cache(user) do
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Cachex.del(:user_cache, "ap_id:#{user.ap_id}")
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Cachex.del(:user_cache, "nickname:#{user.nickname}")
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end
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def get_cached_by_ap_id(ap_id) do
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key = "ap_id:#{ap_id}"
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Cachex.fetch!(:user_cache, key, fn _ -> get_by_ap_id(ap_id) end)
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end
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def get_cached_by_nickname(nickname) do
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key = "nickname:#{nickname}"
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Cachex.fetch!(:user_cache, key, fn _ -> get_or_fetch_by_nickname(nickname) end)
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end
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def get_by_nickname(nickname) do
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Repo.get_by(User, nickname: nickname)
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end
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def get_by_nickname_or_email(nickname_or_email) do
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case user = Repo.get_by(User, nickname: nickname_or_email) do
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%User{} -> user
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nil -> Repo.get_by(User, email: nickname_or_email)
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end
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end
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def get_cached_user_info(user) do
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key = "user_info:#{user.id}"
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Cachex.fetch!(:user_cache, key, fn _ -> user_info(user) end)
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end
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def fetch_by_nickname(nickname) do
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ap_try = ActivityPub.make_user_from_nickname(nickname)
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case ap_try do
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{:ok, user} -> {:ok, user}
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_ -> OStatus.make_user(nickname)
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end
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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
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user
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else
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_e ->
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with [_nick, _domain] <- String.split(nickname, "@"),
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{:ok, user} <- fetch_by_nickname(nickname) do
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user
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else
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_e -> nil
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end
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end
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end
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def get_followers_query(%User{id: id, follower_address: follower_address}) do
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from(
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u in User,
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where: fragment("? <@ ?", ^[follower_address], u.following),
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where: u.id != ^id
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)
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end
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def get_followers(user) do
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q = get_followers_query(user)
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{:ok, Repo.all(q)}
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end
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def get_friends_query(%User{id: id, following: following}) do
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from(
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u in User,
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where: u.follower_address in ^following,
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where: u.id != ^id
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)
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end
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def get_friends(user) do
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q = get_friends_query(user)
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{:ok, Repo.all(q)}
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end
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def get_follow_requests_query(%User{} = user) do
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from(
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a in Activity,
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where:
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fragment(
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"? ->> 'type' = 'Follow'",
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a.data
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),
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where:
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fragment(
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"? ->> 'state' = 'pending'",
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a.data
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),
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where:
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fragment(
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"? @> ?",
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a.data,
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^%{"object" => user.ap_id}
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)
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)
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end
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def get_follow_requests(%User{} = user) do
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q = get_follow_requests_query(user)
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reqs = Repo.all(q)
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users =
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Enum.map(reqs, fn req -> req.actor end)
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|> Enum.uniq()
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|> Enum.map(fn ap_id -> get_by_ap_id(ap_id) end)
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|> Enum.filter(fn u -> !following?(u, user) end)
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{:ok, users}
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end
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def increase_note_count(%User{} = user) do
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note_count = (user.info["note_count"] || 0) + 1
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new_info = Map.put(user.info, "note_count", note_count)
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cs = info_changeset(user, %{info: new_info})
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update_and_set_cache(cs)
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end
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def decrease_note_count(%User{} = user) do
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note_count = user.info["note_count"] || 0
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note_count = if note_count <= 0, do: 0, else: note_count - 1
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new_info = Map.put(user.info, "note_count", note_count)
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cs = info_changeset(user, %{info: new_info})
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update_and_set_cache(cs)
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end
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def update_note_count(%User{} = user) do
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note_count_query =
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from(
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a in Object,
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where: fragment("?->>'actor' = ? and ?->>'type' = 'Note'", a.data, ^user.ap_id, a.data),
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select: count(a.id)
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)
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note_count = Repo.one(note_count_query)
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new_info = Map.put(user.info, "note_count", note_count)
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cs = info_changeset(user, %{info: new_info})
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update_and_set_cache(cs)
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end
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def update_follower_count(%User{} = user) do
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follower_count_query =
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from(
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u in User,
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where: ^user.follower_address in u.following,
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where: u.id != ^user.id,
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select: count(u.id)
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)
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follower_count = Repo.one(follower_count_query)
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new_info = Map.put(user.info, "follower_count", follower_count)
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cs = info_changeset(user, %{info: new_info})
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update_and_set_cache(cs)
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end
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def get_notified_from_activity_query(to) do
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from(
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u in User,
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where: u.ap_id in ^to,
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where: u.local == true
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)
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end
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def get_notified_from_activity(%Activity{recipients: to, data: %{"type" => "Announce"} = data}) do
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object = Object.normalize(data["object"])
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actor = User.get_cached_by_ap_id(data["actor"])
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# ensure that the actor who published the announced object appears only once
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to =
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if actor.nickname != nil do
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to ++ [object.data["actor"]]
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else
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to
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end
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|> Enum.uniq()
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query = get_notified_from_activity_query(to)
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Repo.all(query)
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end
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def get_notified_from_activity(%Activity{recipients: to}) do
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query = get_notified_from_activity_query(to)
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Repo.all(query)
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end
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def get_recipients_from_activity(%Activity{recipients: to}) do
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query =
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from(
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u in User,
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where: u.ap_id in ^to,
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or_where: fragment("? && ?", u.following, ^to)
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)
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query = from(u in query, where: u.local == true)
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Repo.all(query)
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end
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def search(query, resolve) do
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# strip the beginning @ off if there is a query
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query = String.trim_leading(query, "@")
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if resolve do
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User.get_or_fetch_by_nickname(query)
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end
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inner =
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from(
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u in User,
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select_merge: %{
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search_distance:
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fragment(
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"? <-> (? || ?)",
|
|
^query,
|
|
u.nickname,
|
|
u.name
|
|
)
|
|
},
|
|
where: not is_nil(u.nickname)
|
|
)
|
|
|
|
q =
|
|
from(
|
|
s in subquery(inner),
|
|
order_by: s.search_distance,
|
|
limit: 20
|
|
)
|
|
|
|
Repo.all(q)
|
|
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
|
|
|
|
if following?(blocked, blocker) do
|
|
unfollow(blocked, blocker)
|
|
end
|
|
|
|
blocks = blocker.info["blocks"] || []
|
|
new_blocks = Enum.uniq([ap_id | blocks])
|
|
new_info = Map.put(blocker.info, "blocks", new_blocks)
|
|
|
|
cs = User.info_changeset(blocker, %{info: new_info})
|
|
update_and_set_cache(cs)
|
|
end
|
|
|
|
# helper to handle the block given only an actor's AP id
|
|
def block(blocker, %{ap_id: ap_id}) do
|
|
block(blocker, User.get_by_ap_id(ap_id))
|
|
end
|
|
|
|
def unblock(user, %{ap_id: ap_id}) do
|
|
blocks = user.info["blocks"] || []
|
|
new_blocks = List.delete(blocks, ap_id)
|
|
new_info = Map.put(user.info, "blocks", new_blocks)
|
|
|
|
cs = User.info_changeset(user, %{info: new_info})
|
|
update_and_set_cache(cs)
|
|
end
|
|
|
|
def blocks?(user, %{ap_id: ap_id}) do
|
|
blocks = user.info["blocks"] || []
|
|
domain_blocks = user.info["domain_blocks"] || []
|
|
%{host: host} = URI.parse(ap_id)
|
|
|
|
Enum.member?(blocks, ap_id) ||
|
|
Enum.any?(domain_blocks, fn domain ->
|
|
host == domain
|
|
end)
|
|
end
|
|
|
|
def block_domain(user, domain) do
|
|
domain_blocks = user.info["domain_blocks"] || []
|
|
new_blocks = Enum.uniq([domain | domain_blocks])
|
|
new_info = Map.put(user.info, "domain_blocks", new_blocks)
|
|
|
|
cs = User.info_changeset(user, %{info: new_info})
|
|
update_and_set_cache(cs)
|
|
end
|
|
|
|
def unblock_domain(user, domain) do
|
|
blocks = user.info["domain_blocks"] || []
|
|
new_blocks = List.delete(blocks, domain)
|
|
new_info = Map.put(user.info, "domain_blocks", new_blocks)
|
|
|
|
cs = User.info_changeset(user, %{info: new_info})
|
|
update_and_set_cache(cs)
|
|
end
|
|
|
|
def local_user_query() do
|
|
from(
|
|
u in User,
|
|
where: u.local == true,
|
|
where: not is_nil(u.nickname)
|
|
)
|
|
end
|
|
|
|
def moderator_user_query() do
|
|
from(
|
|
u in User,
|
|
where: u.local == true,
|
|
where: fragment("?->'is_moderator' @> 'true'", u.info)
|
|
)
|
|
end
|
|
|
|
def deactivate(%User{} = user) do
|
|
new_info = Map.put(user.info, "deactivated", true)
|
|
cs = User.info_changeset(user, %{info: new_info})
|
|
update_and_set_cache(cs)
|
|
end
|
|
|
|
def delete(%User{} = user) do
|
|
{:ok, user} = User.deactivate(user)
|
|
|
|
# Remove all relationships
|
|
{:ok, followers} = User.get_followers(user)
|
|
|
|
followers
|
|
|> Enum.each(fn follower -> User.unfollow(follower, user) end)
|
|
|
|
{:ok, friends} = User.get_friends(user)
|
|
|
|
friends
|
|
|> Enum.each(fn followed -> User.unfollow(user, followed) end)
|
|
|
|
query = from(a in Activity, where: a.actor == ^user.ap_id)
|
|
|
|
Repo.all(query)
|
|
|> Enum.each(fn activity ->
|
|
case activity.data["type"] do
|
|
"Create" ->
|
|
ActivityPub.delete(Object.normalize(activity.data["object"]))
|
|
|
|
# TODO: Do something with likes, follows, repeats.
|
|
_ ->
|
|
"Doing nothing"
|
|
end
|
|
end)
|
|
|
|
:ok
|
|
end
|
|
|
|
def html_filter_policy(%User{info: %{"no_rich_text" => true}}) do
|
|
Pleroma.HTML.Scrubber.TwitterText
|
|
end
|
|
|
|
def html_filter_policy(_), do: nil
|
|
|
|
def get_or_fetch_by_ap_id(ap_id) do
|
|
user = get_by_ap_id(ap_id)
|
|
|
|
if !is_nil(user) and !User.needs_update?(user) do
|
|
user
|
|
else
|
|
ap_try = ActivityPub.make_user_from_ap_id(ap_id)
|
|
|
|
case ap_try do
|
|
{:ok, user} ->
|
|
user
|
|
|
|
_ ->
|
|
case OStatus.make_user(ap_id) do
|
|
{:ok, user} -> user
|
|
_ -> {:error, "Could not fetch by AP id"}
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
def get_or_create_instance_user do
|
|
relay_uri = "#{Pleroma.Web.Endpoint.url()}/relay"
|
|
|
|
if user = get_by_ap_id(relay_uri) do
|
|
user
|
|
else
|
|
changes =
|
|
%User{}
|
|
|> 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
|
|
def public_key_from_info(%{
|
|
"source_data" => %{"publicKey" => %{"publicKeyPem" => public_key_pem}}
|
|
}) do
|
|
key =
|
|
:public_key.pem_decode(public_key_pem)
|
|
|> hd()
|
|
|> :public_key.pem_entry_decode()
|
|
|
|
{:ok, key}
|
|
end
|
|
|
|
# OStatus Magic Key
|
|
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 %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
|
|
|
|
defp blank?(""), do: nil
|
|
defp blank?(n), do: n
|
|
|
|
def insert_or_update_user(data) do
|
|
data =
|
|
data
|
|
|> Map.put(:name, blank?(data[:name]) || data[:nickname])
|
|
|
|
cs = User.remote_user_creation(data)
|
|
Repo.insert(cs, on_conflict: :replace_all, conflict_target: :nickname)
|
|
end
|
|
|
|
def ap_enabled?(%User{info: info}), do: info["ap_enabled"]
|
|
def ap_enabled?(_), do: false
|
|
|
|
def get_or_fetch(uri_or_nickname) do
|
|
if String.starts_with?(uri_or_nickname, "http") do
|
|
get_or_fetch_by_ap_id(uri_or_nickname)
|
|
else
|
|
get_or_fetch_by_nickname(uri_or_nickname)
|
|
end
|
|
end
|
|
end
|