Twittercard metadata for images should also include dimensions if available

lib/pleroma/web/metadata/providers/twitter_card.ex

@@ -55,7 +55,9 @@ 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.
+          height = url["height"] || 480
+          width = url["width"] || 480
+
           case Utils.fetch_media_type(@media_types, url["mediaType"]) do
             "audio" ->
               [
@@ -73,16 +75,13 @@ defp build_attachments(id, %{data: %{"attachment" => attachments}}) do
                  [
                    property: "twitter:player",
                    content: Utils.attachment_url(url["href"])
-                 ], []}
+                 ], []},
+                {:meta, [property: "twitter:player:width", content: "#{width}"], []},
+                {:meta, [property: "twitter:player:height", content: "#{height}"], []}
                 | acc
               ]
 
-            # TODO: Need the true width and height values here or Twitter renders an iFrame with
-            # a bad aspect ratio
             "video" ->
-              height = url["height"] || 480
-              width = url["width"] || 480
-
               [
                 {:meta, [property: "twitter:card", content: "player"], []},
                 {:meta, [property: "twitter:player", content: player_url(id)], []},

test/pleroma/web/metadata/providers/twitter_card_test.exs

@@ -111,7 +111,14 @@ test "it renders supported types of attachments and skips unknown types" do
           "content" => "pleroma in a nutshell",
           "attachment" => [
             %{
-              "url" => [%{"mediaType" => "image/png", "href" => "https://pleroma.gov/tenshi.png"}]
+              "url" => [
+                %{
+                  "mediaType" => "image/png",
+                  "href" => "https://pleroma.gov/tenshi.png",
+                  "height" => 1024,
+                  "width" => 1280
+                }
+              ]
             },
             %{
               "url" => [
@@ -142,6 +149,8 @@ test "it renders supported types of attachments and skips unknown types" do
              {:meta, [property: "twitter:description", content: "pleroma in a nutshell"], []},
              {:meta, [property: "twitter:card", content: "summary_large_image"], []},
              {:meta, [property: "twitter:player", content: "https://pleroma.gov/tenshi.png"], []},
+             {:meta, [property: "twitter:player:width", content: "1280"], []},
+             {:meta, [property: "twitter:player:height", content: "1024"], []},
              {:meta, [property: "twitter:card", content: "player"], []},
              {:meta,
               [