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   1 # Pleroma: A lightweight social networking server
   2 # Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
   3 # SPDX-License-Identifier: AGPL-3.0-only
   4
   5 defmodule Pleroma.Web.MastoFEController do
   6   use Pleroma.Web, :controller
   7
   8   alias Pleroma.User
   9   alias Pleroma.Web.MastodonAPI.AuthController
  10   alias Pleroma.Web.OAuth.Token
  11   alias Pleroma.Web.Plugs.EnsurePublicOrAuthenticatedPlug
  12   alias Pleroma.Web.Plugs.OAuthScopesPlug
  13
  14   plug(OAuthScopesPlug, %{scopes: ["write:accounts"]} when action == :put_settings)
  15
  16   # Note: :index action handles attempt of unauthenticated access to private instance with redirect
  17   plug(:skip_plug, EnsurePublicOrAuthenticatedPlug when action == :index)
  18
  19   plug(
  20     OAuthScopesPlug,
  21     %{scopes: ["read"], fallback: :proceed_unauthenticated}
  22     when action == :index
  23   )
  24
  25   plug(
  26     :skip_plug,
  27     [OAuthScopesPlug, EnsurePublicOrAuthenticatedPlug] when action == :manifest
  28   )
  29
  30   @doc "GET /web/*path"
  31   def index(conn, _params) do
  32     with %{assigns: %{user: %User{} = user, token: %Token{app_id: token_app_id} = token}} <- conn,
  33          {:ok, %{id: ^token_app_id}} <- AuthController.local_mastofe_app() do
  34       conn
  35       |> put_layout(false)
  36       |> render("index.html",
  37         token: token.token,
  38         user: user,
  39         custom_emojis: Pleroma.Emoji.get_all()
  40       )
  41     else
  42       _ ->
  43         conn
  44         |> put_session(:return_to, conn.request_path)
  45         |> redirect(to: "/web/login")
  46     end
  47   end
  48
  49   @doc "GET /web/manifest.json"
  50   def manifest(conn, _params) do
  51     render(conn, "manifest.json")
  52   end
  53
  54   @doc "PUT /api/web/settings: Backend-obscure settings blob for MastoFE, don't parse/reuse elsewhere"
  55   def put_settings(%{assigns: %{user: user}} = conn, %{"data" => settings} = _params) do
  56     with {:ok, _} <- User.mastodon_settings_update(user, settings) do
  57       json(conn, %{})
  58     else
  59       e ->
  60         conn
  61         |> put_status(:internal_server_error)
  62         |> json(%{error: inspect(e)})
  63     end
  64   end
  65 end