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   1 # Pleroma: A lightweight social networking server
   2 # Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
   3 # SPDX-License-Identifier: AGPL-3.0-only
   4
   5 defmodule Pleroma.Web.MastodonAPI.AppController do
   6   use Pleroma.Web, :controller
   7
   8   alias Pleroma.Plugs.EnsurePublicOrAuthenticatedPlug
   9   alias Pleroma.Web.Plugs.OAuthScopesPlug
  10   alias Pleroma.Repo
  11   alias Pleroma.Web.OAuth.App
  12   alias Pleroma.Web.OAuth.Scopes
  13   alias Pleroma.Web.OAuth.Token
  14
  15   action_fallback(Pleroma.Web.MastodonAPI.FallbackController)
  16
  17   plug(
  18     :skip_plug,
  19     [OAuthScopesPlug, EnsurePublicOrAuthenticatedPlug]
  20     when action == :create
  21   )
  22
  23   plug(OAuthScopesPlug, %{scopes: ["read"]} when action == :verify_credentials)
  24
  25   plug(Pleroma.Web.ApiSpec.CastAndValidate)
  26
  27   @local_mastodon_name "Mastodon-Local"
  28
  29   defdelegate open_api_operation(action), to: Pleroma.Web.ApiSpec.AppOperation
  30
  31   @doc "POST /api/v1/apps"
  32   def create(%{body_params: params} = conn, _params) do
  33     scopes = Scopes.fetch_scopes(params, ["read"])
  34
  35     app_attrs =
  36       params
  37       |> Map.take([:client_name, :redirect_uris, :website])
  38       |> Map.put(:scopes, scopes)
  39
  40     with cs <- App.register_changeset(%App{}, app_attrs),
  41          false <- cs.changes[:client_name] == @local_mastodon_name,
  42          {:ok, app} <- Repo.insert(cs) do
  43       render(conn, "show.json", app: app)
  44     end
  45   end
  46
  47   @doc "GET /api/v1/apps/verify_credentials"
  48   def verify_credentials(%{assigns: %{user: _user, token: token}} = conn, _) do
  49     with %Token{app: %App{} = app} <- Repo.preload(token, :app) do
  50       render(conn, "short.json", app: app)
  51     end
  52   end
  53 end