akkoma/lib/pleroma/tests/auth_test_controller.ex
2020-10-13 16:43:54 +03:00

94 lines
3.7 KiB
Elixir

# Pleroma: A lightweight social networking server
# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
# A test controller reachable only in :test env.
defmodule Pleroma.Tests.AuthTestController do
@moduledoc false
use Pleroma.Web, :controller
alias Pleroma.Plugs.EnsurePublicOrAuthenticatedPlug
alias Pleroma.Web.Plugs.OAuthScopesPlug
alias Pleroma.User
# Serves only with proper OAuth token (:api and :authenticated_api)
# Skipping EnsurePublicOrAuthenticatedPlug has no effect in this case
#
# Suggested use case: all :authenticated_api endpoints (makes no sense for :api endpoints)
plug(OAuthScopesPlug, %{scopes: ["read"]} when action == :do_oauth_check)
# Via :api, keeps :user if token has requested scopes (if :user is dropped, serves if public)
# Via :authenticated_api, serves if token is present and has requested scopes
#
# Suggested use case: vast majority of :api endpoints (no sense for :authenticated_api ones)
plug(
OAuthScopesPlug,
%{scopes: ["read"], fallback: :proceed_unauthenticated}
when action == :fallback_oauth_check
)
# Keeps :user if present, executes regardless of token / token scopes
# Fails with no :user for :authenticated_api / no user for :api on private instance
# Note: EnsurePublicOrAuthenticatedPlug is not skipped (private instance fails on no :user)
# Note: Basic Auth processing results in :skip_plug call for OAuthScopesPlug
#
# Suggested use: suppressing OAuth checks for other auth mechanisms (like Basic Auth)
# For controller-level use, see :skip_oauth_skip_publicity_check instead
plug(
:skip_plug,
OAuthScopesPlug when action == :skip_oauth_check
)
# (Shouldn't be executed since the plug is skipped)
plug(OAuthScopesPlug, %{scopes: ["admin"]} when action == :skip_oauth_check)
# Via :api, keeps :user if token has requested scopes, and continues with nil :user otherwise
# Via :authenticated_api, serves if token is present and has requested scopes
#
# Suggested use: as :fallback_oauth_check but open with nil :user for :api on private instances
plug(
:skip_plug,
EnsurePublicOrAuthenticatedPlug when action == :fallback_oauth_skip_publicity_check
)
plug(
OAuthScopesPlug,
%{scopes: ["read"], fallback: :proceed_unauthenticated}
when action == :fallback_oauth_skip_publicity_check
)
# Via :api, keeps :user if present, serves regardless of token presence / scopes / :user presence
# Via :authenticated_api, serves if :user is set (regardless of token presence and its scopes)
#
# Suggested use: making an :api endpoint always accessible (e.g. email confirmation endpoint)
plug(
:skip_plug,
[OAuthScopesPlug, EnsurePublicOrAuthenticatedPlug]
when action == :skip_oauth_skip_publicity_check
)
# Via :authenticated_api, always fails with 403 (endpoint is insecure)
# Via :api, drops :user if present and serves if public (private instance rejects on no user)
#
# Suggested use: none; please define OAuth rules for all :api / :authenticated_api endpoints
plug(:skip_plug, [] when action == :missing_oauth_check_definition)
def do_oauth_check(conn, _params), do: conn_state(conn)
def fallback_oauth_check(conn, _params), do: conn_state(conn)
def skip_oauth_check(conn, _params), do: conn_state(conn)
def fallback_oauth_skip_publicity_check(conn, _params), do: conn_state(conn)
def skip_oauth_skip_publicity_check(conn, _params), do: conn_state(conn)
def missing_oauth_check_definition(conn, _params), do: conn_state(conn)
defp conn_state(%{assigns: %{user: %User{} = user}} = conn),
do: json(conn, %{user_id: user.id})
defp conn_state(conn), do: json(conn, %{user_id: nil})
end