defmodule Pleroma.Web.OStatus.OStatusController do
use Pleroma.Web, :controller
- alias Pleroma.{User, Activity, Object}
- alias Pleroma.Web.OStatus.{FeedRepresenter, ActivityRepresenter}
- alias Pleroma.Web.{OStatus, Federator}
- alias Pleroma.Web.XML
- alias Pleroma.Web.ActivityPub.ObjectView
+ alias Fallback.RedirectController
+ alias Pleroma.Activity
+ alias Pleroma.Object
+ alias Pleroma.User
alias Pleroma.Web.ActivityPub.ActivityPubController
- alias Pleroma.Web.ActivityPub.ActivityPub
-
- plug(Pleroma.Web.FederatingPlug when action in [:salmon_incoming])
- action_fallback(:errors)
-
- def feed_redirect(conn, %{"nickname" => nickname}) do
- case get_format(conn) do
- "html" ->
- with %User{} = user <- User.get_cached_by_nickname_or_id(nickname) do
- Fallback.RedirectController.redirector_with_meta(conn, %{user: user})
- else
- nil -> {:error, :not_found}
- end
-
- "activity+json" ->
- ActivityPubController.call(conn, :user)
-
- _ ->
- with %User{} = user <- User.get_cached_by_nickname(nickname) do
- redirect(conn, external: OStatus.feed_path(user))
- else
- nil -> {:error, :not_found}
- end
- end
- end
+ alias Pleroma.Web.ActivityPub.ObjectView
+ alias Pleroma.Web.ActivityPub.Visibility
+ alias Pleroma.Web.Endpoint
+ alias Pleroma.Web.Metadata.PlayerView
+ alias Pleroma.Web.Router
- def feed(conn, %{"nickname" => nickname} = params) do
- with %User{} = user <- User.get_cached_by_nickname(nickname) do
- query_params =
- Map.take(params, ["max_id"])
- |> Map.merge(%{"whole_db" => true, "actor_id" => user.ap_id})
+ plug(
+ Pleroma.Plugs.RateLimiter,
+ {:ap_routes, params: ["uuid"]} when action in [:object, :activity]
+ )
- activities =
- ActivityPub.fetch_public_activities(query_params)
- |> Enum.reverse()
+ plug(
+ Pleroma.Plugs.SetFormatPlug
+ when action in [:object, :activity, :notice]
+ )
- response =
- user
- |> FeedRepresenter.to_simple_form(activities, [user])
- |> :xmerl.export_simple(:xmerl_xml)
- |> to_string
+ action_fallback(:errors)
- conn
- |> put_resp_content_type("application/atom+xml")
- |> send_resp(200, response)
- else
- nil -> {:error, :not_found}
- end
+ def object(%{assigns: %{format: format}} = conn, %{"uuid" => _uuid})
+ when format in ["json", "activity+json"] do
+ ActivityPubController.call(conn, :object)
end
- defp decode_or_retry(body) do
- with {:ok, magic_key} <- Pleroma.Web.Salmon.fetch_magic_key(body),
- {:ok, doc} <- Pleroma.Web.Salmon.decode_and_validate(magic_key, body) do
- {:ok, doc}
+ def object(%{assigns: %{format: format}} = conn, %{"uuid" => uuid}) do
+ with id <- o_status_url(conn, :object, uuid),
+ {_, %Activity{} = activity} <-
+ {:activity, Activity.get_create_by_object_ap_id_with_object(id)},
+ {_, true} <- {:public?, Visibility.is_public?(activity)},
+ %User{} = user <- User.get_cached_by_ap_id(activity.data["actor"]) do
+ case format do
+ "html" -> redirect(conn, to: "/notice/#{activity.id}")
+ _ -> represent_activity(conn, nil, activity, user)
+ end
else
- _e ->
- with [decoded | _] <- Pleroma.Web.Salmon.decode(body),
- doc <- XML.parse_document(decoded),
- uri when not is_nil(uri) <- XML.string_from_xpath("/entry/author[1]/uri", doc),
- {:ok, _} <- Pleroma.Web.OStatus.make_user(uri, true),
- {:ok, magic_key} <- Pleroma.Web.Salmon.fetch_magic_key(body),
- {:ok, doc} <- Pleroma.Web.Salmon.decode_and_validate(magic_key, body) do
- {:ok, doc}
- end
+ reason when reason in [{:public?, false}, {:activity, nil}] ->
+ {:error, :not_found}
+
+ e ->
+ e
end
end
- def salmon_incoming(conn, _) do
- {:ok, body, _conn} = read_body(conn)
- {:ok, doc} = decode_or_retry(body)
-
- Federator.enqueue(:incoming_doc, doc)
-
- conn
- |> send_resp(200, "")
+ def activity(%{assigns: %{format: format}} = conn, %{"uuid" => _uuid})
+ when format in ["json", "activity+json"] do
+ ActivityPubController.call(conn, :activity)
end
- def object(conn, %{"uuid" => uuid}) do
- if get_format(conn) == "activity+json" do
- ActivityPubController.call(conn, :object)
- else
- with id <- o_status_url(conn, :object, uuid),
- {_, %Activity{} = activity} <-
- {:activity, Activity.get_create_activity_by_object_ap_id(id)},
- {_, true} <- {:public?, ActivityPub.is_public?(activity)},
- %User{} = user <- User.get_cached_by_ap_id(activity.data["actor"]) do
- case get_format(conn) do
- "html" -> redirect(conn, to: "/notice/#{activity.id}")
- _ -> represent_activity(conn, nil, activity, user)
- end
- else
- {:public?, false} ->
- {:error, :not_found}
-
- {:activity, nil} ->
- {:error, :not_found}
-
- e ->
- e
+ def activity(%{assigns: %{format: format}} = conn, %{"uuid" => uuid}) do
+ with id <- o_status_url(conn, :activity, uuid),
+ {_, %Activity{} = activity} <- {:activity, Activity.normalize(id)},
+ {_, true} <- {:public?, Visibility.is_public?(activity)},
+ %User{} = user <- User.get_cached_by_ap_id(activity.data["actor"]) do
+ case format do
+ "html" -> redirect(conn, to: "/notice/#{activity.id}")
+ _ -> represent_activity(conn, format, activity, user)
end
- end
- end
-
- def activity(conn, %{"uuid" => uuid}) do
- if get_format(conn) == "activity+json" do
- ActivityPubController.call(conn, :activity)
else
- with id <- o_status_url(conn, :activity, uuid),
- {_, %Activity{} = activity} <- {:activity, Activity.normalize(id)},
- {_, true} <- {:public?, ActivityPub.is_public?(activity)},
- %User{} = user <- User.get_cached_by_ap_id(activity.data["actor"]) do
- case format = get_format(conn) do
- "html" -> redirect(conn, to: "/notice/#{activity.id}")
- _ -> represent_activity(conn, format, activity, user)
- end
- else
- {:public?, false} ->
- {:error, :not_found}
-
- {:activity, nil} ->
- {:error, :not_found}
-
- e ->
- e
- end
+ reason when reason in [{:public?, false}, {:activity, nil}] ->
+ {:error, :not_found}
+
+ e ->
+ e
end
end
- def notice(conn, %{"id" => id}) do
- with {_, %Activity{} = activity} <- {:activity, Activity.get_by_id(id)},
- {_, true} <- {:public?, ActivityPub.is_public?(activity)},
+ def notice(%{assigns: %{format: format}} = conn, %{"id" => id}) do
+ with {_, %Activity{} = activity} <- {:activity, Activity.get_by_id_with_object(id)},
+ {_, true} <- {:public?, Visibility.is_public?(activity)},
%User{} = user <- User.get_cached_by_ap_id(activity.data["actor"]) do
- case format = get_format(conn) do
- "html" ->
- if activity.data["type"] == "Create" do
- %Object{} = object = Object.normalize(activity.data["object"])
-
- Fallback.RedirectController.redirector_with_meta(conn, %{
+ cond do
+ format == "html" && activity.data["type"] == "Create" ->
+ %Object{} = object = Object.normalize(activity)
+
+ RedirectController.redirector_with_meta(
+ conn,
+ %{
+ activity_id: activity.id,
object: object,
- url:
- Pleroma.Web.Router.Helpers.o_status_url(
- Pleroma.Web.Endpoint,
- :notice,
- activity.id
- ),
+ url: Router.Helpers.o_status_url(Endpoint, :notice, activity.id),
user: user
- })
- else
- Fallback.RedirectController.redirector(conn, nil)
- end
+ }
+ )
+
+ format == "html" ->
+ RedirectController.redirector(conn, nil)
- _ ->
+ true ->
represent_activity(conn, format, activity, user)
end
else
- {:public?, false} ->
- {:error, :not_found}
-
- {:activity, nil} ->
- {:error, :not_found}
+ reason when reason in [{:public?, false}, {:activity, nil}] ->
+ conn
+ |> put_status(404)
+ |> RedirectController.redirector(nil, 404)
e ->
e
end
end
+ # Returns an HTML embedded <audio> or <video> player suitable for embed iframes.
+ def notice_player(conn, %{"id" => id}) do
+ with %Activity{data: %{"type" => "Create"}} = activity <- Activity.get_by_id_with_object(id),
+ true <- Visibility.is_public?(activity),
+ %Object{} = object <- Object.normalize(activity),
+ %{data: %{"attachment" => [%{"url" => [url | _]} | _]}} <- object,
+ true <- String.starts_with?(url["mediaType"], ["audio", "video"]) do
+ conn
+ |> put_layout(:metadata_player)
+ |> put_resp_header("x-frame-options", "ALLOW")
+ |> put_resp_header(
+ "content-security-policy",
+ "default-src 'none';style-src 'self' 'unsafe-inline';img-src 'self' data: https:; media-src 'self' https:;"
+ )
+ |> put_view(PlayerView)
+ |> render("player.html", url)
+ else
+ _error ->
+ conn
+ |> put_status(404)
+ |> RedirectController.redirector(nil, 404)
+ end
+ end
+
defp represent_activity(
conn,
"activity+json",
%Activity{data: %{"type" => "Create"}} = activity,
_user
) do
- object = Object.normalize(activity.data["object"])
+ object = Object.normalize(activity)
conn
|> put_resp_header("content-type", "application/activity+json")
- |> json(ObjectView.render("object.json", %{object: object}))
+ |> put_view(ObjectView)
+ |> render("object.json", %{object: object})
end
- defp represent_activity(_conn, "activity+json", _, _) do
+ defp represent_activity(_conn, _, _, _) do
{:error, :not_found}
end
- defp represent_activity(conn, _, activity, user) do
- response =
- activity
- |> ActivityRepresenter.to_simple_form(user, true)
- |> ActivityRepresenter.wrap_with_entry()
- |> :xmerl.export_simple(:xmerl_xml)
- |> to_string
-
- conn
- |> put_resp_content_type("application/atom+xml")
- |> send_resp(200, response)
- end
-
def errors(conn, {:error, :not_found}) do
- conn
- |> put_status(404)
- |> text("Not found")
+ render_error(conn, :not_found, "Not found")
end
+ def errors(conn, {:fetch_user, nil}), do: errors(conn, {:error, :not_found})
+
def errors(conn, _) do
- conn
- |> put_status(500)
- |> text("Something went wrong")
+ render_error(conn, :internal_server_error, "Something went wrong")
end
end