defmodule Mobilizon.Users.User do @moduledoc """ Represents a local user. """ use Ecto.Schema import Ecto.Changeset alias Mobilizon.Actors.Actor alias Mobilizon.Crypto alias Mobilizon.Events.FeedToken alias Mobilizon.Service.EmailChecker alias Mobilizon.Users.UserRole @type t :: %__MODULE__{ email: String.t(), password_hash: String.t(), password: String.t(), role: UserRole.t(), confirmed_at: DateTime.t(), confirmation_sent_at: DateTime.t(), confirmation_token: String.t(), reset_password_sent_at: DateTime.t(), reset_password_token: String.t(), locale: String.t(), default_actor: Actor.t(), actors: [Actor.t()], feed_tokens: [FeedToken.t()] } @required_attrs [:email] @optional_attrs [ :role, :password, :password_hash, :confirmed_at, :confirmation_sent_at, :confirmation_token, :reset_password_sent_at, :reset_password_token, :locale ] @attrs @required_attrs ++ @optional_attrs @registration_required_attrs [:email, :password] @password_change_required_attrs [:password] @password_reset_required_attrs @password_change_required_attrs ++ [:reset_password_token, :reset_password_sent_at] @confirmation_token_length 30 schema "users" do field(:email, :string) field(:password_hash, :string) field(:password, :string, virtual: true) field(:role, UserRole, default: :user) field(:confirmed_at, :utc_datetime) field(:confirmation_sent_at, :utc_datetime) field(:confirmation_token, :string) field(:reset_password_sent_at, :utc_datetime) field(:reset_password_token, :string) field(:locale, :string, default: "en") belongs_to(:default_actor, Actor) has_many(:actors, Actor) has_many(:feed_tokens, FeedToken, foreign_key: :user_id) timestamps() end @doc false @spec changeset(t, map) :: Ecto.Changeset.t() def changeset(%__MODULE__{} = user, attrs) do changeset = user |> cast(attrs, @attrs) |> validate_required(@required_attrs) |> unique_constraint(:email, message: "This email is already used.") |> validate_email() |> validate_length(:password, min: 6, max: 100, message: "The chosen password is too short.") if Map.has_key?(attrs, :default_actor) do put_assoc(changeset, :default_actor, attrs.default_actor) else changeset end end @doc false @spec registration_changeset(t, map) :: Ecto.Changeset.t() def registration_changeset(%__MODULE__{} = user, attrs) do user |> changeset(attrs) |> cast_assoc(:default_actor) |> validate_required(@registration_required_attrs) |> hash_password() |> save_confirmation_token() |> unique_constraint( :confirmation_token, message: "The registration is already in use, this looks like an issue on our side." ) end @doc false @spec send_password_reset_changeset(t, map) :: Ecto.Changeset.t() def send_password_reset_changeset(%__MODULE__{} = user, attrs) do cast(user, attrs, [:reset_password_token, :reset_password_sent_at]) end @doc false @spec password_reset_changeset(t, map) :: Ecto.Changeset.t() def password_reset_changeset(%__MODULE__{} = user, attrs) do password_change_changeset(user, attrs, @password_reset_required_attrs) end @doc """ Changeset to change a password It checks the minimum requirements for a password and hashes it. """ @spec password_change_changeset(t, map) :: Ecto.Changeset.t() def password_change_changeset( %__MODULE__{} = user, attrs, required_attrs \\ @password_change_required_attrs ) do user |> cast(attrs, required_attrs) |> validate_length(:password, min: 6, max: 100, message: "registration.error.password_too_short" ) |> hash_password() end @doc """ Checks whether an user is confirmed. """ @spec is_confirmed(t) :: boolean def is_confirmed(%__MODULE__{confirmed_at: nil}), do: false def is_confirmed(%__MODULE__{}), do: true @doc """ Returns whether an user owns an actor. """ @spec owns_actor(t, integer | String.t()) :: {:is_owned, Actor.t() | nil} def owns_actor(%__MODULE__{actors: actors}, actor_id) do user_actor = Enum.find(actors, fn actor -> "#{actor.id}" == "#{actor_id}" end) {:is_owned, user_actor} end @spec save_confirmation_token(Ecto.Changeset.t()) :: Ecto.Changeset.t() defp save_confirmation_token(changeset) do case changeset do %Ecto.Changeset{valid?: true, changes: %{email: _email}} -> now = DateTime.utc_now() changeset |> put_change(:confirmation_token, Crypto.random_string(@confirmation_token_length)) |> put_change(:confirmation_sent_at, DateTime.truncate(now, :second)) _ -> changeset end end @spec validate_email(Ecto.Changeset.t()) :: Ecto.Changeset.t() defp validate_email(changeset) do case changeset do %Ecto.Changeset{valid?: true, changes: %{email: email}} -> case EmailChecker.valid?(email) do false -> add_error(changeset, :email, "Email doesn't fit required format") true -> changeset end _ -> changeset end end @spec hash_password(Ecto.Changeset.t()) :: Ecto.Changeset.t() defp hash_password(changeset) do case changeset do %Ecto.Changeset{valid?: true, changes: %{password: password}} -> put_change(changeset, :password_hash, Argon2.hash_pwd_salt(password)) _ -> changeset end end end