git.squeep.com Git - akkoma/blob - lib/pleroma/web/ostatus/ostatus_controller.ex

   1 defmodule Pleroma.Web.OStatus.OStatusController do
   2   use Pleroma.Web, :controller
   3
   4   alias Pleroma.{User, Activity}
   5   alias Pleroma.Web.OStatus.{FeedRepresenter, ActivityRepresenter}
   6   alias Pleroma.Repo
   7   alias Pleroma.Web.{OStatus, Federator}
   8   alias Pleroma.Web.XML
   9   alias Pleroma.Web.ActivityPub.ActivityPubController
  10   alias Pleroma.Web.ActivityPub.ActivityPub
  11   import Ecto.Query
  12
  13   def feed_redirect(conn, %{"nickname" => nickname} = params) do
  14     user = User.get_cached_by_nickname(nickname)
  15
  16     case get_format(conn) do
  17       "html" -> Fallback.RedirectController.redirector(conn, nil)
  18       "activity+json" -> ActivityPubController.user(conn, params)
  19       _ -> redirect conn, external: OStatus.feed_path(user)
  20     end
  21   end
  22
  23   def feed(conn, %{"nickname" => nickname} = params) do
  24     user = User.get_cached_by_nickname(nickname)
  25
  26     query_params = Map.take(params, ["max_id"])
  27     |> Map.merge(%{"whole_db" => true, "actor_id" => user.ap_id})
  28
  29     activities = ActivityPub.fetch_public_activities(query_params)
  30     |> Enum.reverse
  31
  32     response = user
  33     |> FeedRepresenter.to_simple_form(activities, [user])
  34     |> :xmerl.export_simple(:xmerl_xml)
  35     |> to_string
  36
  37     conn
  38     |> put_resp_content_type("application/atom+xml")
  39     |> send_resp(200, response)
  40   end
  41
  42   defp decode_or_retry(body) do
  43     with {:ok, magic_key} <- Pleroma.Web.Salmon.fetch_magic_key(body),
  44          {:ok, doc} <- Pleroma.Web.Salmon.decode_and_validate(magic_key, body) do
  45       {:ok, doc}
  46     else
  47       _e ->
  48         with [decoded | _] <- Pleroma.Web.Salmon.decode(body),
  49              doc <- XML.parse_document(decoded),
  50              uri when not is_nil(uri) <- XML.string_from_xpath("/entry/author[1]/uri", doc),
  51              {:ok, _} <- Pleroma.Web.OStatus.make_user(uri, true),
  52              {:ok, magic_key} <- Pleroma.Web.Salmon.fetch_magic_key(body),
  53              {:ok, doc} <- Pleroma.Web.Salmon.decode_and_validate(magic_key, body) do
  54           {:ok, doc}
  55         end
  56     end
  57   end
  58
  59   def salmon_incoming(conn, _) do
  60     {:ok, body, _conn} = read_body(conn)
  61     {:ok, doc} = decode_or_retry(body)
  62
  63     Federator.enqueue(:incoming_doc, doc)
  64
  65     conn
  66     |> send_resp(200, "")
  67   end
  68
  69   # TODO: Data leak
  70   def object(conn, %{"uuid" => uuid} = params) do
  71     if get_format(conn) == "activity+json" do
  72       ActivityPubController.object(conn, params)
  73     else
  74       with id <- o_status_url(conn, :object, uuid),
  75            %Activity{} = activity <- Activity.get_create_activity_by_object_ap_id(id),
  76              %User{} = user <- User.get_cached_by_ap_id(activity.data["actor"]) do
  77         case get_format(conn) do
  78           "html" -> redirect(conn, to: "/notice/#{activity.id}")
  79           _ -> represent_activity(conn, activity, user)
  80         end
  81       end
  82     end
  83   end
  84
  85   # TODO: Data leak
  86   def activity(conn, %{"uuid" => uuid}) do
  87     with id <- o_status_url(conn, :activity, uuid),
  88          %Activity{} = activity <- Activity.get_by_ap_id(id),
  89          %User{} = user <- User.get_cached_by_ap_id(activity.data["actor"]) do
  90       case get_format(conn) do
  91         "html" -> redirect(conn, to: "/notice/#{activity.id}")
  92         _ -> represent_activity(conn, activity, user)
  93       end
  94     end
  95   end
  96
  97   # TODO: Data leak
  98   def notice(conn, %{"id" => id}) do
  99      with %Activity{} = activity <- Repo.get(Activity, id),
 100           %User{} = user <- User.get_cached_by_ap_id(activity.data["actor"]) do
 101       case get_format(conn) do
 102         "html" ->
 103           conn
 104           |> put_resp_content_type("text/html")
 105           |> send_file(200, "priv/static/index.html")
 106         _ -> represent_activity(conn, activity, user)
 107       end
 108     end
 109   end
 110
 111   defp represent_activity(conn, activity, user) do
 112     response = activity
 113     |> ActivityRepresenter.to_simple_form(user, true)
 114     |> ActivityRepresenter.wrap_with_entry
 115     |> :xmerl.export_simple(:xmerl_xml)
 116     |> to_string
 117
 118     conn
 119     |> put_resp_content_type("application/atom+xml")
 120     |> send_resp(200, response)
 121   end
 122 end