revoke.ex
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	# Pleroma: A lightweight social networking server
	# Copyright © 2017-2022 Pleroma Authors <https://pleroma.social/>
	# SPDX-License-Identifier: AGPL-3.0-only

	defmodule Pleroma.Web.OAuth.Token.Strategy.Revoke do
	@moduledoc """
	Functions for dealing with revocation.
	"""

	alias Pleroma.Repo
	alias Pleroma.Web.OAuth.App
	alias Pleroma.Web.OAuth.Token

	@doc "Finds and revokes access token for app and by token"
	@spec revoke(App.t(), map()) :: {:ok, Token.t()} \| {:error, :not_found \| Ecto.Changeset.t()}
	def revoke(%App{} = app, %{"token" => token} = _attrs) do
	with {:ok, token} <- Token.get_by_token(app, token),
	do: revoke(token)
	end

	@doc "Revokes access token"
	@spec revoke(Token.t()) :: {:ok, Token.t()} \| {:error, Ecto.Changeset.t()}
	def revoke(%Token{} = token) do
	with {:ok, token} <- Repo.delete(token) do
	Task.Supervisor.start_child(
	Pleroma.TaskSupervisor,
	Pleroma.Web.Streamer,
	:close_streams_by_oauth_token,
	[token],
	restart: :transient
	)

	{:ok, token}
	else
	result -> result
	end
	end
	end