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   1 # Pleroma: A lightweight social networking server
   2 # Copyright _ 2017-2019 Pleroma Authors <https://pleroma.social/>
   3 # SPDX-License-Identifier: AGPL-3.0-only
   4
   5 defmodule Pleroma.Web.RichMedia.Helpers do
   6   alias Pleroma.Activity
   7   alias Pleroma.Object
   8   alias Pleroma.HTML
   9   alias Pleroma.Web.RichMedia.Parser
  10
  11   def fetch_data_for_activity(%Activity{} = activity) do
  12     with true <- Pleroma.Config.get([:rich_media, :enabled]),
  13          %Object{} = object <- Object.normalize(activity.data["object"]),
  14          {:ok, page_url} <- HTML.extract_first_external_url(object, object.data["content"]),
  15          {:ok, rich_media} <- Parser.parse(page_url) do
  16       %{page_url: page_url, rich_media: rich_media}
  17     else
  18       _ -> %{}
  19     end
  20   end
  21 end