diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/pleroma/web/media_proxy/media_proxy_controller.ex | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/lib/pleroma/web/media_proxy/media_proxy_controller.ex b/lib/pleroma/web/media_proxy/media_proxy_controller.ex index bda5b36ed..767496b68 100644 --- a/lib/pleroma/web/media_proxy/media_proxy_controller.ex +++ b/lib/pleroma/web/media_proxy/media_proxy_controller.ex @@ -12,6 +12,7 @@ defmodule Pleroma.Web.MediaProxy.MediaProxyController do alias Pleroma.Web.MediaProxy alias Plug.Conn + plug(:validate_host) plug(:sandbox) def remote(conn, %{"sig" => sig64, "url" => url64}) do @@ -205,6 +206,17 @@ defmodule Pleroma.Web.MediaProxy.MediaProxyController do Config.get([:media_proxy, :proxy_opts], []) end + defp validate_host(conn, _params) do + proxy_host = MediaProxy.base_url() |> URI.parse() |> Map.get(:host) + + if match?(^proxy_host, conn.host) do + conn + else + send_resp(conn, 400, Conn.Status.reason_phrase(400)) + |> halt() + end + end + defp sandbox(conn, _params) do conn |> merge_resp_headers([{"content-security-policy", "sandbox;"}]) |