Merge branch 'fix/1524-link_preview' into 'develop'

Meta tags parser respects first title tag

Closes #1524

See merge request pleroma/pleroma!2157

lib/pleroma/web/rich_media/parsers/meta_tags_parser.ex

@@ -48,6 +48,6 @@ defp maybe_put_title(meta, html) when meta != %{} do
   defp maybe_put_title(meta, _), do: meta
 
   defp get_page_title(html) do
-    Floki.find(html, "title") |> Floki.text()
+    Floki.find(html, "title") |> List.first() |> Floki.text()
   end
 end

test/web/rich_media/parsers/twitter_card_test.exs

@@ -66,4 +66,23 @@ test "parses twitter card with name & property attributes" do
                   "https://www.nytimes.com/2019/08/01/nyregion/nypd-facial-recognition-children-teenagers.html"
               }}
   end
+
+  test "respect only first title tag on the page" do
+    image_path =
+      "https://assets.atlasobscura.com/media/W1siZiIsInVwbG9hZHMvYXNzZXRzLzkwYzgyMzI4LThlMDUtNGRiNS05MDg3LTUzMGUxZTM5N2RmMmVkOTM5ZDM4MGM4OTIx" <>
+        "YTQ5MF9EQVIgZXhodW1hdGlvbiBvZiBNYXJnYXJldCBDb3JiaW4gZ3JhdmUgMTkyNi5qcGciXSxbInAiLCJjb252ZXJ0IiwiIl0sWyJwIiwiY29udmVydCIsIi1xdWFsaXR5IDgxIC1hdXRvLW9" <>
+        "yaWVudCJdLFsicCIsInRodW1iIiwiNjAweD4iXV0/DAR%20exhumation%20of%20Margaret%20Corbin%20grave%201926.jpg"
+
+    html = File.read!("test/fixtures/margaret-corbin-grave-west-point.html")
+
+    assert TwitterCard.parse(html, %{}) ==
+             {:ok,
+              %{
+                site: "@atlasobscura",
+                title:
+                  "The Missing Grave of Margaret Corbin, Revolutionary War Veteran - Atlas Obscura",
+                card: "summary_large_image",
+                image: image_path
+              }}
+  end
 end