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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.OAuthScopesPlug
  12
  13   plug(OAuthScopesPlug, %{scopes: ["write:accounts"]} when action == :put_settings)
  14
  15   # Note: :index action handles attempt of unauthenticated access to private instance with redirect
  16   plug(:skip_public_check when action == :index)
  17
  18   plug(
  19     OAuthScopesPlug,
  20     %{scopes: ["read"], fallback: :proceed_unauthenticated}
  21     when action == :index
  22   )
  23
  24   plug(:skip_auth when action == :manifest)
  25
  26   @doc "GET /web/*path"
  27   def index(conn, _params) do
  28     with %{assigns: %{user: %User{} = user, token: %Token{app_id: token_app_id} = token}} <- conn,
  29          {:ok, %{id: ^token_app_id}} <- AuthController.local_mastofe_app() do
  30       conn
  31       |> put_layout(false)
  32       |> render("index.html",
  33         token: token.token,
  34         user: user,
  35         custom_emojis: Pleroma.Emoji.get_all()
  36       )
  37     else
  38       _ ->
  39         conn
  40         |> put_session(:return_to, conn.request_path)
  41         |> redirect(to: "/web/login")
  42     end
  43   end
  44
  45   @doc "GET /web/manifest.json"
  46   def manifest(conn, _params) do
  47     render(conn, "manifest.json")
  48   end
  49
  50   @doc "PUT /api/web/settings: Backend-obscure settings blob for MastoFE, don't parse/reuse elsewhere"
  51   def put_settings(%{assigns: %{user: user}} = conn, %{"data" => settings} = _params) do
  52     with {:ok, _} <- User.mastodon_settings_update(user, settings) do
  53       json(conn, %{})
  54     else
  55       e ->
  56         conn
  57         |> put_status(:internal_server_error)
  58         |> json(%{error: inspect(e)})
  59     end
  60   end
  61 end