diff options
Diffstat (limited to 'lib/pleroma/web/rich_media/parsers/o_embed.ex')
-rw-r--r-- | lib/pleroma/web/rich_media/parsers/o_embed.ex | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/lib/pleroma/web/rich_media/parsers/o_embed.ex b/lib/pleroma/web/rich_media/parsers/o_embed.ex new file mode 100644 index 000000000..09eabec56 --- /dev/null +++ b/lib/pleroma/web/rich_media/parsers/o_embed.ex @@ -0,0 +1,29 @@ +# Pleroma: A lightweight social networking server +# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/> +# SPDX-License-Identifier: AGPL-3.0-only + +defmodule Pleroma.Web.RichMedia.Parsers.OEmbed do + def parse(html, _data) do + with elements = [_ | _] <- get_discovery_data(html), + oembed_url when is_binary(oembed_url) <- get_oembed_url(elements), + {:ok, oembed_data} <- get_oembed_data(oembed_url) do + oembed_data + else + _e -> %{} + end + end + + defp get_discovery_data(html) do + html |> Floki.find("link[type='application/json+oembed']") + end + + defp get_oembed_url([{"link", attributes, _children} | _]) do + Enum.find_value(attributes, fn {k, v} -> if k == "href", do: v end) + end + + defp get_oembed_data(url) do + with {:ok, %Tesla.Env{body: json}} <- Pleroma.Web.RichMedia.Helpers.rich_media_get(url) do + Jason.decode(json) + end + end +end |