136 lines
3.8 KiB
Elixir
136 lines
3.8 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.Web.OAuth.Token do
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use Ecto.Schema
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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.App
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alias Pleroma.Web.OAuth.Authorization
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alias Pleroma.Web.OAuth.Token
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alias Pleroma.Web.OAuth.Token.Query
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@type t :: %__MODULE__{}
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schema "oauth_tokens" do
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field(:token, :string)
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field(:refresh_token, :string)
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field(:scopes, {:array, :string}, default: [])
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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(:app, App)
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timestamps()
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end
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@doc "Gets token for app by access token"
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@spec get_by_token(App.t(), String.t()) :: {:ok, t()} | {:error, :not_found}
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def get_by_token(%App{id: app_id} = _app, token) do
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Query.get_by_app(app_id)
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|> Query.get_by_token(token)
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|> Repo.find_resource()
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end
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@doc "Gets token for app by refresh token"
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@spec get_by_refresh_token(App.t(), String.t()) :: {:ok, t()} | {:error, :not_found}
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def get_by_refresh_token(%App{id: app_id} = _app, token) do
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Query.get_by_app(app_id)
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|> Query.get_by_refresh_token(token)
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|> Query.preload([:user])
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|> Repo.find_resource()
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end
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@spec exchange_token(App.t(), Authorization.t()) :: {:ok, Token.t()} | {:error, Changeset.t()}
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def exchange_token(app, auth) do
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with {:ok, auth} <- Authorization.use_token(auth),
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true <- auth.app_id == app.id do
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user = if auth.user_id, do: User.get_cached_by_id(auth.user_id), else: %User{}
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create(
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app,
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user,
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%{scopes: auth.scopes}
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)
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end
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end
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defp put_token(changeset) do
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changeset
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|> change(%{token: Token.Utils.generate_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_refresh_token(changeset, attrs) do
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refresh_token = Map.get(attrs, :refresh_token, Token.Utils.generate_token())
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changeset
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|> change(%{refresh_token: refresh_token})
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|> validate_required([:refresh_token])
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|> unique_constraint(:refresh_token)
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end
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defp put_valid_until(changeset, attrs) do
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expires_in =
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Map.get(attrs, :valid_until, NaiveDateTime.add(NaiveDateTime.utc_now(), expires_in()))
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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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@spec create(App.t(), User.t(), map()) :: {:ok, Token} | {:error, Changeset.t()}
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def create(%App{} = app, %User{} = user, attrs \\ %{}) do
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with {:ok, token} <- do_create(app, user, attrs) do
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if Pleroma.Config.get([:oauth2, :clean_expired_tokens]) 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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end
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{:ok, token}
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end
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end
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defp do_create(app, user, attrs) do
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%__MODULE__{user_id: user.id, app_id: app.id}
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|> cast(%{scopes: attrs[:scopes] || app.scopes}, [:scopes])
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|> validate_required([:scopes, :app_id])
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|> put_valid_until(attrs)
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|> put_token()
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|> put_refresh_token(attrs)
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|> Repo.insert()
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end
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def delete_user_tokens(%User{id: user_id}) do
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Query.get_by_user(user_id)
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|> Repo.delete_all()
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end
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def delete_user_token(%User{id: user_id}, token_id) do
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Query.get_by_user(user_id)
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|> Query.get_by_id(token_id)
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|> Repo.delete_all()
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end
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def get_user_tokens(%User{id: user_id}) do
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Query.get_by_user(user_id)
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|> Query.preload([:app])
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|> Repo.all()
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end
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def is_expired?(%__MODULE__{valid_until: valid_until}) do
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NaiveDateTime.diff(NaiveDateTime.utc_now(), valid_until) > 0
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end
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def is_expired?(_), do: false
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defp expires_in, do: Pleroma.Config.get([:oauth2, :token_expires_in], 600)
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end
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