Merge remote-tracking branch 'remotes/origin/develop' into 2168-media-preview-proxy
[akkoma] / lib / pleroma / web / media_proxy / media_proxy_controller.ex
index 8d8d073e9ba8814bef89aac76187ad2c1511e76d..583c177f2e609eee9b92d01bc114009723d121d5 100644 (file)
@@ -6,13 +6,14 @@ defmodule Pleroma.Web.MediaProxy.MediaProxyController do
   use Pleroma.Web, :controller
 
   alias Pleroma.Config
-  alias Pleroma.Helpers.MogrifyHelper
+  alias Pleroma.Helpers.MediaHelper
   alias Pleroma.ReverseProxy
   alias Pleroma.Web.MediaProxy
 
   def remote(conn, %{"sig" => sig64, "url" => url64}) do
     with {_, true} <- {:enabled, MediaProxy.enabled?()},
          {:ok, url} <- MediaProxy.decode_url(sig64, url64),
+         {_, false} <- {:in_banned_urls, MediaProxy.in_banned_urls(url)},
          :ok <- MediaProxy.verify_request_path_and_url(conn, url) do
       proxy_opts = Config.get([:media_proxy, :proxy_opts], [])
       ReverseProxy.call(conn, url, proxy_opts)
@@ -20,6 +21,9 @@ defmodule Pleroma.Web.MediaProxy.MediaProxyController do
       {:enabled, false} ->
         send_resp(conn, 404, Plug.Conn.Status.reason_phrase(404))
 
+      {:in_banned_urls, true} ->
+        send_resp(conn, 404, Plug.Conn.Status.reason_phrase(404))
+
       {:error, :invalid_signature} ->
         send_resp(conn, 403, Plug.Conn.Status.reason_phrase(403))
 
@@ -82,51 +86,18 @@ defmodule Pleroma.Web.MediaProxy.MediaProxyController do
     {thumbnail_max_width, thumbnail_max_height}
   end
 
-  defp thumbnail_binary(url, body, params) do
-    {thumbnail_max_width, thumbnail_max_height} = thumbnail_max_dimensions(params)
-
-    with true <- Config.get([:media_preview_proxy, :enable_eimp]),
-         {:ok, [type: image_type, width: source_width, height: source_height]} <-
-           :eimp.identify(body),
-         scale_factor <-
-           Enum.max([source_width / thumbnail_max_width, source_height / thumbnail_max_height]),
-         {:ok, thumbnail_binary} =
-           :eimp.convert(body, image_type, [
-             {:scale, {round(source_width / scale_factor), round(source_height / scale_factor)}}
-           ]) do
-      {:ok, thumbnail_binary}
-    else
-      _ ->
-        mogrify_dimensions = "#{thumbnail_max_width}x#{thumbnail_max_height}"
-
-        with {:ok, path} <- MogrifyHelper.store_as_temporary_file(url, body),
-             %Mogrify.Image{} <-
-               MogrifyHelper.in_place_resize_to_limit(path, mogrify_dimensions),
-             {:ok, thumbnail_binary} <- File.read(path),
-             _ <- File.rm(path) do
-          {:ok, thumbnail_binary}
-        else
-          _ -> :error
-        end
-    end
-  end
-
-  defp handle_preview("image/" <> _ = content_type, %{params: params} = conn, url) do
-    with {:ok, %{status: status, body: image_contents}} when status in 200..299 <-
-           url
-           |> MediaProxy.url()
-           |> Tesla.get(opts: [adapter: [timeout: preview_timeout()]]),
-         {:ok, thumbnail_binary} <- thumbnail_binary(url, image_contents, params) do
+  defp handle_preview("image/" <> _ = _content_type, %{params: params} = conn, url) do
+    with {thumbnail_max_width, thumbnail_max_height} <- thumbnail_max_dimensions(params),
+         media_proxy_url <- MediaProxy.url(url),
+         {:ok, thumbnail_binary} <-
+           MediaHelper.ffmpeg_resize_remote(
+             media_proxy_url,
+             %{max_width: thumbnail_max_width, max_height: thumbnail_max_height}
+           ) do
       conn
-      |> put_resp_header("content-type", content_type)
+      |> put_resp_header("content-type", "image/jpeg")
       |> send_resp(200, thumbnail_binary)
     else
-      {_, %{status: _}} ->
-        send_resp(conn, :failed_dependency, "Can't fetch the image.")
-
-      {:error, :recv_response_timeout} ->
-        send_resp(conn, :failed_dependency, "Downstream timeout.")
-
       _ ->
         send_resp(conn, :failed_dependency, "Can't handle image preview.")
     end