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       query_params =
  37         params
  38         |> Map.take(["max_id"])
  39         |> Map.put("type", ["Create"])
  40         |> Map.put("whole_db", true)
  41         |> Map.put("actor_id", user.ap_id)
  42
  43       activities =
  44         query_params
  45         |> ActivityPub.fetch_public_activities()
  46         |> Enum.reverse()
  47
  48       conn
  49       |> put_resp_content_type("application/atom+xml")
  50       |> render("feed.xml", user: user, activities: activities)
  51     end
  52   end
  53
  54   def errors(conn, {:error, :not_found}) do
  55     render_error(conn, :not_found, "Not found")
  56   end
  57
  58   def errors(conn, {:fetch_user, nil}), do: errors(conn, {:error, :not_found})
  59
  60   def errors(conn, _) do
  61     render_error(conn, :internal_server_error, "Something went wrong")
  62   end
  63 end