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# Pleroma: A lightweight social networking server
# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.MFA.Token do
use Ecto.Schema
import Ecto.Query
import Ecto.Changeset
alias Pleroma.Repo
alias Pleroma.User
alias Pleroma.Web.OAuth.Authorization
alias Pleroma.Web.OAuth.Token, as: OAuthToken
@expires 300
schema "mfa_tokens" do
field(:token, :string)
field(:valid_until, :naive_datetime_usec)
belongs_to(:user, User, type: FlakeId.Ecto.CompatType)
belongs_to(:authorization, Authorization)
timestamps()
end
def get_by_token(token) do
from(
t in __MODULE__,
where: t.token == ^token,
preload: [:user, :authorization]
)
|> Repo.find_resource()
end
def validate(token) do
with {:fetch_token, {:ok, token}} <- {:fetch_token, get_by_token(token)},
{:expired, false} <- {:expired, is_expired?(token)} do
{:ok, token}
else
{:expired, _} -> {:error, :expired_token}
{:fetch_token, _} -> {:error, :not_found}
error -> {:error, error}
end
end
def create_token(%User{} = user) do
%__MODULE__{}
|> change
|> assign_user(user)
|> put_token
|> put_valid_until
|> Repo.insert()
end
def create_token(user, authorization) do
%__MODULE__{}
|> change
|> assign_user(user)
|> assign_authorization(authorization)
|> put_token
|> put_valid_until
|> Repo.insert()
end
defp assign_user(changeset, user) do
changeset
|> put_assoc(:user, user)
|> validate_required([:user])
end
defp assign_authorization(changeset, authorization) do
changeset
|> put_assoc(:authorization, authorization)
|> validate_required([:authorization])
end
defp put_token(changeset) do
changeset
|> change(%{token: OAuthToken.Utils.generate_token()})
|> validate_required([:token])
|> unique_constraint(:token)
end
defp put_valid_until(changeset) do
expires_in = NaiveDateTime.add(NaiveDateTime.utc_now(), @expires)
changeset
|> change(%{valid_until: expires_in})
|> validate_required([:valid_until])
end
def is_expired?(%__MODULE__{valid_until: valid_until}) do
NaiveDateTime.diff(NaiveDateTime.utc_now(), valid_until) > 0
end
def is_expired?(_), do: false
def delete_expired_tokens do
from(
q in __MODULE__,
where: fragment("?", q.valid_until) < ^Timex.now()
)
|> Repo.delete_all()
end
end
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