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