124 lines
3.6 KiB
Elixir
124 lines
3.6 KiB
Elixir
# Pleroma: A lightweight social networking server
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# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.UserInviteToken do
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use Ecto.Schema
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import Ecto.Changeset
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import Ecto.Query
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alias Pleroma.Repo
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alias Pleroma.UserInviteToken
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@type t :: %__MODULE__{}
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@type token :: String.t()
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schema "user_invite_tokens" do
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field(:token, :string)
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field(:used, :boolean, default: false)
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field(:max_use, :integer)
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field(:expires_at, :date)
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field(:uses, :integer, default: 0)
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field(:invite_type, :string)
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timestamps()
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end
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@spec create_invite(map()) :: {:ok, UserInviteToken.t()}
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def create_invite(params \\ %{}) do
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%UserInviteToken{}
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|> cast(params, [:max_use, :expires_at])
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|> add_token()
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|> assign_type()
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|> Repo.insert()
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end
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defp add_token(changeset) do
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token = :crypto.strong_rand_bytes(32) |> Base.url_encode64()
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put_change(changeset, :token, token)
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end
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defp assign_type(%{changes: %{max_use: _max_use, expires_at: _expires_at}} = changeset) do
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put_change(changeset, :invite_type, "reusable_date_limited")
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end
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defp assign_type(%{changes: %{expires_at: _expires_at}} = changeset) do
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put_change(changeset, :invite_type, "date_limited")
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end
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defp assign_type(%{changes: %{max_use: _max_use}} = changeset) do
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put_change(changeset, :invite_type, "reusable")
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end
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defp assign_type(changeset), do: put_change(changeset, :invite_type, "one_time")
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@spec list_invites() :: [UserInviteToken.t()]
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def list_invites do
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query = from(u in UserInviteToken, order_by: u.id)
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Repo.all(query)
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end
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@spec update_invite!(UserInviteToken.t(), map()) :: UserInviteToken.t() | no_return()
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def update_invite!(invite, changes) do
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change(invite, changes) |> Repo.update!()
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end
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@spec update_invite(UserInviteToken.t(), map()) ::
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{:ok, UserInviteToken.t()} | {:error, Changeset.t()}
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def update_invite(invite, changes) do
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change(invite, changes) |> Repo.update()
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end
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@spec find_by_token!(token()) :: UserInviteToken.t() | no_return()
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def find_by_token!(token), do: Repo.get_by!(UserInviteToken, token: token)
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@spec find_by_token(token()) :: {:ok, UserInviteToken.t()} | nil
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def find_by_token(token) do
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with invite <- Repo.get_by(UserInviteToken, token: token) do
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{:ok, invite}
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end
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end
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@spec valid_invite?(UserInviteToken.t()) :: boolean()
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def valid_invite?(%{invite_type: "one_time"} = invite) do
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not invite.used
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end
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def valid_invite?(%{invite_type: "date_limited"} = invite) do
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not_overdue_date?(invite) and not invite.used
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end
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def valid_invite?(%{invite_type: "reusable"} = invite) do
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invite.uses < invite.max_use and not invite.used
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end
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def valid_invite?(%{invite_type: "reusable_date_limited"} = invite) do
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not_overdue_date?(invite) and invite.uses < invite.max_use and not invite.used
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end
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defp not_overdue_date?(%{expires_at: expires_at}) do
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Date.compare(Date.utc_today(), expires_at) in [:lt, :eq]
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end
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@spec update_usage!(UserInviteToken.t()) :: nil | UserInviteToken.t() | no_return()
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def update_usage!(%{invite_type: "date_limited"}), do: nil
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def update_usage!(%{invite_type: "one_time"} = invite),
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do: update_invite!(invite, %{used: true})
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def update_usage!(%{invite_type: invite_type} = invite)
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when invite_type == "reusable" or invite_type == "reusable_date_limited" do
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changes = %{
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uses: invite.uses + 1
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}
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changes =
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if changes.uses >= invite.max_use do
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Map.put(changes, :used, true)
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else
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changes
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end
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update_invite!(invite, changes)
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end
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end
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