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diff --git a/lib/pleroma/web/rich_media/parser/card.ex b/lib/pleroma/web/rich_media/parser/card.ex
index d352eb4c5..678aac664 100644
--- a/lib/pleroma/web/rich_media/parser/card.ex
+++ b/lib/pleroma/web/rich_media/parser/card.ex
@@ -1,124 +1,124 @@
# 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.Parser.Card do
alias Pleroma.Web.RichMedia.Parser.Card
alias Pleroma.Web.RichMedia.Parser.Embed
- @types ["link", "photo", "video", "rich"]
+ @types ["link", "photo", "video"]
# https://docs.joinmastodon.org/entities/card/
defstruct url: nil,
title: nil,
description: "",
type: "link",
author_name: "",
author_url: "",
provider_name: "",
provider_url: "",
html: "",
width: 0,
height: 0,
image: nil,
embed_url: "",
blurhash: nil
def parse(%Embed{url: url, oembed: %{"type" => type, "title" => title} = oembed} = embed)
when type in @types and is_binary(url) do
uri = URI.parse(url)
html =
case FastSanitize.Sanitizer.scrub(oembed["html"], Pleroma.HTML.Scrubber.OEmbed) do
{:ok, html} -> html
_ -> ""
end
%Card{
url: url,
title: title,
description: get_description(embed),
type: oembed["type"],
author_name: oembed["author_name"],
author_url: oembed["author_url"],
provider_name: oembed["provider_name"] || uri.host,
provider_url: oembed["provider_url"] || "#{uri.scheme}://#{uri.host}",
html: html,
width: oembed["width"],
height: oembed["height"],
image: oembed["thumbnail_url"] |> proxy(),
embed_url: oembed["url"] |> proxy()
}
|> validate()
end
def parse(%Embed{url: url} = embed) when is_binary(url) do
uri = URI.parse(url)
%Card{
url: url,
title: get_title(embed),
description: get_description(embed),
type: "link",
provider_name: uri.host,
provider_url: "#{uri.scheme}://#{uri.host}",
image: get_image(embed) |> proxy()
}
|> validate()
end
def parse(card), do: {:error, {:invalid_metadata, card}}
defp get_title(embed) do
case embed do
%{meta: %{"twitter:title" => title}} when is_binary(title) and title != "" -> title
%{meta: %{"og:title" => title}} when is_binary(title) and title != "" -> title
%{title: title} when is_binary(title) and title != "" -> title
_ -> nil
end
end
defp get_description(%{meta: meta}) do
case meta do
%{"twitter:description" => desc} when is_binary(desc) and desc != "" -> desc
%{"og:description" => desc} when is_binary(desc) and desc != "" -> desc
%{"description" => desc} when is_binary(desc) and desc != "" -> desc
_ -> ""
end
end
defp get_image(%{meta: meta}) do
case meta do
%{"twitter:image" => image} when is_binary(image) and image != "" -> image
%{"og:image" => image} when is_binary(image) and image != "" -> image
_ -> ""
end
end
def to_map(%Card{} = card) do
card
|> Map.from_struct()
|> stringify_keys()
end
def to_map(%{} = card), do: stringify_keys(card)
defp stringify_keys(%{} = map), do: Map.new(map, fn {k, v} -> {Atom.to_string(k), v} end)
defp proxy(url) when is_binary(url), do: Pleroma.Web.MediaProxy.url(url)
defp proxy(_), do: nil
def validate(%Card{type: type, title: title} = card)
when type in @types and is_binary(title) and title != "" do
{:ok, card}
end
def validate(%Embed{} = embed) do
case Card.parse(embed) do
{:ok, %Card{} = card} -> validate(card)
card -> {:error, {:invalid_metadata, card}}
end
end
def validate(card), do: {:error, {:invalid_metadata, card}}
end

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