X-Git-Url: http://git.squeep.com/?a=blobdiff_plain;f=lib%2Fpleroma%2Fweb%2Fmetadata%2Fproviders%2Ftwitter_card.ex;h=79183df86ab614366b164398e0db520ebf2c421c;hb=f2b925f32c34b12410d81b5c2c1c0d89655ff9e2;hp=df34b033f6a3fbd527119967f719dd3b69e33f46;hpb=d8d4e962304c5424de4d171d25445b7135a67a09;p=akkoma
diff --git a/lib/pleroma/web/metadata/providers/twitter_card.ex b/lib/pleroma/web/metadata/providers/twitter_card.ex
index df34b033f..79183df86 100644
--- a/lib/pleroma/web/metadata/providers/twitter_card.ex
+++ b/lib/pleroma/web/metadata/providers/twitter_card.ex
@@ -1,10 +1,11 @@
# Pleroma: A lightweight social networking server
-# Copyright © 2017-2020 Pleroma Authors
+# Copyright © 2017-2021 Pleroma Authors
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.Metadata.Providers.TwitterCard do
alias Pleroma.User
+ alias Pleroma.Web.MediaProxy
alias Pleroma.Web.Metadata
alias Pleroma.Web.Metadata.Providers.Provider
alias Pleroma.Web.Metadata.Utils
@@ -16,17 +17,10 @@ defmodule Pleroma.Web.Metadata.Providers.TwitterCard do
def build_tags(%{activity_id: id, object: object, user: user}) do
attachments = build_attachments(id, object)
scrubbed_content = Utils.scrub_html_and_truncate(object)
- # Zero width space
- content =
- if scrubbed_content != "" and scrubbed_content != "\u200B" do
- "â" <> scrubbed_content <> "â"
- else
- ""
- end
[
title_tag(user),
- {:meta, [property: "twitter:description", content: content], []}
+ {:meta, [property: "twitter:description", content: scrubbed_content], []}
] ++
if attachments == [] or Metadata.activity_nsfw?(object) do
[
@@ -55,14 +49,14 @@ defmodule Pleroma.Web.Metadata.Providers.TwitterCard do
end
def image_tag(user) do
- {:meta, [property: "twitter:image", content: Utils.attachment_url(User.avatar_url(user))], []}
+ {:meta, [property: "twitter:image", content: MediaProxy.preview_url(User.avatar_url(user))],
+ []}
end
defp build_attachments(id, %{data: %{"attachment" => attachments}}) do
Enum.reduce(attachments, [], fn attachment, acc ->
rendered_tags =
Enum.reduce(attachment["url"], [], fn url, acc ->
- # TODO: Add additional properties to objects when we have the data available.
case Utils.fetch_media_type(@media_types, url["mediaType"]) do
"audio" ->
[
@@ -73,25 +67,37 @@ defmodule Pleroma.Web.Metadata.Providers.TwitterCard do
| acc
]
+ # Not using preview_url for this. It saves bandwidth, but the image dimensions will
+ # be wrong. We generate it on the fly and have no way to capture or analyze the
+ # image to get the dimensions. This can be an issue for apps/FEs rendering images
+ # in timelines too, but you can get clever with the aspect ratio metadata as a
+ # workaround.
"image" ->
[
{:meta, [property: "twitter:card", content: "summary_large_image"], []},
{:meta,
[
property: "twitter:player",
- content: Utils.attachment_url(url["href"])
+ content: MediaProxy.url(url["href"])
], []}
| acc
]
+ |> maybe_add_dimensions(url)
- # TODO: Need the true width and height values here or Twitter renders an iFrame with
- # a bad aspect ratio
"video" ->
+ # fallback to old placeholder values
+ height = url["height"] || 480
+ width = url["width"] || 480
+
[
{:meta, [property: "twitter:card", content: "player"], []},
{:meta, [property: "twitter:player", content: player_url(id)], []},
- {:meta, [property: "twitter:player:width", content: "480"], []},
- {:meta, [property: "twitter:player:height", content: "480"], []}
+ {:meta, [property: "twitter:player:width", content: "#{width}"], []},
+ {:meta, [property: "twitter:player:height", content: "#{height}"], []},
+ {:meta, [property: "twitter:player:stream", content: MediaProxy.url(url["href"])],
+ []},
+ {:meta,
+ [property: "twitter:player:stream:content_type", content: url["mediaType"]], []}
| acc
]
@@ -109,4 +115,20 @@ defmodule Pleroma.Web.Metadata.Providers.TwitterCard do
defp player_url(id) do
Pleroma.Web.Router.Helpers.o_status_url(Pleroma.Web.Endpoint, :notice_player, id)
end
+
+ # Videos have problems without dimensions, but we used to not provide WxH for images.
+ # A default (read: incorrect) fallback for images is likely to cause rendering bugs.
+ defp maybe_add_dimensions(metadata, url) do
+ cond do
+ !is_nil(url["height"]) && !is_nil(url["width"]) ->
+ metadata ++
+ [
+ {:meta, [property: "twitter:player:width", content: "#{url["width"]}"], []},
+ {:meta, [property: "twitter:player:height", content: "#{url["height"]}"], []}
+ ]
+
+ true ->
+ metadata
+ end
+ end
end