git.squeep.com Git - akkoma/blob - lib/pleroma/web/feed/feed_controller.ex

   1 # Pleroma: A lightweight social networking server
   2 # Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
   3 # SPDX-License-Identifier: AGPL-3.0-only
   4
   5 defmodule Pleroma.Web.Feed.FeedController do
   6   use Pleroma.Web, :controller
   7
   8   alias Fallback.RedirectController
   9   alias Pleroma.User
  10   alias Pleroma.Web.ActivityPub.ActivityPub
  11   alias Pleroma.Web.ActivityPub.ActivityPubController
  12
  13   plug(Pleroma.Plugs.SetFormatPlug when action in [:feed_redirect])
  14
  15   action_fallback(:errors)
  16
  17   def feed_redirect(%{assigns: %{format: "html"}} = conn, %{"nickname" => nickname}) do
  18     with {_, %User{} = user} <- {:fetch_user, User.get_cached_by_nickname_or_id(nickname)} do
  19       RedirectController.redirector_with_meta(conn, %{user: user})
  20     end
  21   end
  22
  23   def feed_redirect(%{assigns: %{format: format}} = conn, _params)
  24       when format in ["json", "activity+json"] do
  25     ActivityPubController.call(conn, :user)
  26   end
  27
  28   def feed_redirect(conn, %{"nickname" => nickname}) do
  29     with {_, %User{} = user} <- {:fetch_user, User.get_cached_by_nickname(nickname)} do
  30       redirect(conn, external: "#{feed_url(conn, :feed, user.nickname)}.atom")
  31     end
  32   end
  33
  34   def feed(conn, %{"nickname" => nickname} = params) do
  35     with {_, %User{} = user} <- {:fetch_user, User.get_cached_by_nickname(nickname)} do
  36       activities =
  37         %{
  38           "type" => ["Create"],
  39           "whole_db" => true,
  40           "actor_id" => user.ap_id
  41         }
  42         |> Map.merge(Map.take(params, ["max_id"]))
  43         |> ActivityPub.fetch_public_activities()
  44
  45       conn
  46       |> put_resp_content_type("application/atom+xml")
  47       |> render("feed.xml",
  48         user: user,
  49         activities: activities,
  50         feed_config: Pleroma.Config.get([:feed])
  51       )
  52     end
  53   end
  54
  55   def errors(conn, {:error, :not_found}) do
  56     render_error(conn, :not_found, "Not found")
  57   end
  58
  59   def errors(conn, {:fetch_user, nil}), do: errors(conn, {:error, :not_found})
  60
  61   def errors(conn, _) do
  62     render_error(conn, :internal_server_error, "Something went wrong")
  63   end
  64 end