143 lines
4.8 KiB
Elixir
143 lines
4.8 KiB
Elixir
# Pleroma: A lightweight social networking server
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# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.Web.OStatus.OStatusController do
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use Pleroma.Web, :controller
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alias Pleroma.Activity
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alias Pleroma.Object
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alias Pleroma.User
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alias Pleroma.Web.ActivityPub.ActivityPubController
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alias Pleroma.Web.ActivityPub.Visibility
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alias Pleroma.Web.Endpoint
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alias Pleroma.Web.Fallback.RedirectController
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alias Pleroma.Web.Metadata.PlayerView
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alias Pleroma.Web.Plugs.RateLimiter
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alias Pleroma.Web.Router
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plug(
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RateLimiter,
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[name: :ap_routes, params: ["uuid"]] when action in [:object, :activity]
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)
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plug(
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Pleroma.Web.Plugs.SetFormatPlug
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when action in [:object, :activity, :notice]
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)
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action_fallback(:errors)
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def object(%{assigns: %{format: format}} = conn, _params)
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when format in ["json", "activity+json"] do
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ActivityPubController.call(conn, :object)
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end
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def object(conn, _params) do
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with id <- Endpoint.url() <> conn.request_path,
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{_, %Activity{} = activity} <-
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{:activity, Activity.get_create_by_object_ap_id_with_object(id)},
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{_, true} <- {:public?, Visibility.is_public?(activity)},
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{_, false} <- {:local_public?, Visibility.is_local_public?(activity)} do
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redirect(conn, to: "/notice/#{activity.id}")
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else
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reason when reason in [{:public?, false}, {:activity, nil}, {:local_public?, true}] ->
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{:error, :not_found}
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e ->
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e
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end
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end
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def activity(%{assigns: %{format: format}} = conn, _params)
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when format in ["json", "activity+json"] do
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ActivityPubController.call(conn, :activity)
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end
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def activity(conn, _params) do
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with id <- Endpoint.url() <> conn.request_path,
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{_, %Activity{} = activity} <- {:activity, Activity.normalize(id)},
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{_, true} <- {:public?, Visibility.is_public?(activity)},
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{_, false} <- {:local_public?, Visibility.is_local_public?(activity)} do
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redirect(conn, to: "/notice/#{activity.id}")
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else
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reason when reason in [{:public?, false}, {:activity, nil}] ->
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{:error, :not_found}
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e ->
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e
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end
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end
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def notice(%{assigns: %{format: format}} = conn, %{"id" => id}) do
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with {_, %Activity{} = activity} <- {:activity, Activity.get_by_id_with_object(id)},
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{_, true} <- {:public?, Visibility.is_public?(activity)},
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{_, false} <- {:local_public?, Visibility.is_local_public?(activity)},
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%User{} = user <- User.get_cached_by_ap_id(activity.data["actor"]) do
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cond do
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format in ["json", "activity+json"] ->
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%{data: %{"id" => redirect_url}} = Object.normalize(activity, fetch: false)
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redirect(conn, external: redirect_url)
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activity.data["type"] == "Create" ->
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%Object{} = object = Object.normalize(activity, fetch: false)
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RedirectController.redirector_with_meta(
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conn,
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%{
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activity_id: activity.id,
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object: object,
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url: Router.Helpers.o_status_url(Endpoint, :notice, activity.id),
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user: user
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}
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)
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true ->
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RedirectController.redirector(conn, nil)
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end
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else
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reason when reason in [{:public?, false}, {:local_public?, true}, {:activity, nil}] ->
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conn
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|> put_status(404)
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|> RedirectController.redirector(nil, 404)
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e ->
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e
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end
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end
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# Returns an HTML embedded <audio> or <video> player suitable for embed iframes.
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def notice_player(conn, %{"id" => id}) do
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with %Activity{data: %{"type" => "Create"}} = activity <- Activity.get_by_id_with_object(id),
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true <- Visibility.is_public?(activity),
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{_, true} <- {:visible?, Visibility.visible_for_user?(activity, _reading_user = nil)},
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%Object{} = object <- Object.normalize(activity, fetch: false),
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%{data: %{"attachment" => [%{"url" => [url | _]} | _]}} <- object,
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true <- String.starts_with?(url["mediaType"], ["audio", "video"]) do
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conn
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|> put_layout(:metadata_player)
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|> put_resp_header("x-frame-options", "ALLOW")
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|> put_resp_header(
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"content-security-policy",
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"default-src 'none';style-src 'self' 'unsafe-inline';img-src 'self' data: https:; media-src 'self' https:;"
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)
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|> put_view(PlayerView)
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|> render("player.html", url)
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else
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_error ->
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conn
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|> put_status(404)
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|> RedirectController.redirector(nil, 404)
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end
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end
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defp errors(conn, {:error, :not_found}) do
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render_error(conn, :not_found, "Not found")
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end
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defp errors(conn, {:fetch_user, nil}), do: errors(conn, {:error, :not_found})
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defp errors(conn, _) do
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render_error(conn, :internal_server_error, "Something went wrong")
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end
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end
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