105 lines
2.7 KiB
Elixir
105 lines
2.7 KiB
Elixir
# Pleroma: A lightweight social networking server
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# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.MFA.Token do
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use Ecto.Schema
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import Ecto.Query
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import Ecto.Changeset
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alias Pleroma.Repo
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alias Pleroma.User
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alias Pleroma.Web.OAuth.Authorization
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@expires 300
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@type t() :: %__MODULE__{}
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schema "mfa_tokens" do
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field(:token, :string)
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field(:valid_until, :naive_datetime_usec)
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belongs_to(:user, User, type: FlakeId.Ecto.CompatType)
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belongs_to(:authorization, Authorization)
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timestamps()
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end
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@spec get_by_token(String.t()) :: {:ok, t()} | {:error, :not_found}
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def get_by_token(token) do
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from(
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t in __MODULE__,
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where: t.token == ^token,
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preload: [:user, :authorization]
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)
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|> Repo.find_resource()
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end
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@spec validate(String.t()) :: {:ok, t()} | {:error, :not_found} | {:error, :expired_token}
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def validate(token_str) do
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with {:ok, token} <- get_by_token(token_str),
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false <- expired?(token) do
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{:ok, token}
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end
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end
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defp expired?(%__MODULE__{valid_until: valid_until}) do
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with true <- NaiveDateTime.diff(NaiveDateTime.utc_now(), valid_until) > 0 do
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{:error, :expired_token}
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end
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end
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@spec create(User.t(), Authorization.t() | nil) :: {:ok, t()} | {:error, Ecto.Changeset.t()}
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def create(user, authorization \\ nil) do
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with {:ok, token} <- do_create(user, authorization) do
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Pleroma.Workers.PurgeExpiredToken.enqueue(%{
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token_id: token.id,
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valid_until: DateTime.from_naive!(token.valid_until, "Etc/UTC"),
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mod: __MODULE__
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})
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{:ok, token}
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end
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end
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defp do_create(user, authorization) do
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%__MODULE__{}
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|> change()
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|> assign_user(user)
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|> maybe_assign_authorization(authorization)
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|> put_token()
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|> put_valid_until()
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|> Repo.insert()
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end
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defp assign_user(changeset, user) do
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changeset
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|> put_assoc(:user, user)
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|> validate_required([:user])
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end
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defp maybe_assign_authorization(changeset, %Authorization{} = authorization) do
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changeset
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|> put_assoc(:authorization, authorization)
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|> validate_required([:authorization])
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end
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defp maybe_assign_authorization(changeset, _), do: changeset
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defp put_token(changeset) do
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token = Pleroma.Web.OAuth.Token.Utils.generate_token()
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changeset
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|> change(%{token: token})
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|> validate_required([:token])
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|> unique_constraint(:token)
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end
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defp put_valid_until(changeset) do
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expires_in = NaiveDateTime.add(NaiveDateTime.utc_now(), @expires)
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changeset
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|> change(%{valid_until: expires_in})
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|> validate_required([:valid_until])
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end
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end
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