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