hj/pleroma
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

Merge branch 'fix/ogp-title' into 'develop'

Browse source 
Rich Media Parser: Attempt to use <title> from HTML as a fallback

Closes #979

See merge request pleroma/pleroma!1277
This commit is contained in:
lain 2019-06-13 13:26:39 +00:00
commit 6f5a0cc14e
3 changed files with 59 additions and 8 deletions
Download patch file Download diff file Expand all files Collapse all files

33
lib/pleroma/web/rich_media/parsers/meta_tags_parser.ex
View file

@ -1,15 +1,19 @@
defmodule Pleroma.Web.RichMedia.Parsers.MetaTagsParser do
def parse(html, data, prefix, error_message, key_name, value_name \\ "content") do
with elements = [_ | _] <- get_elements(html, key_name, prefix),
meta_data =
Enum.reduce(elements, data, fn el, acc ->
attributes = normalize_attributes(el, prefix, key_name, value_name)
meta_data =
html
|> get_elements(key_name, prefix)
|> Enum.reduce(data, fn el, acc ->
attributes = normalize_attributes(el, prefix, key_name, value_name)
Map.merge(acc, attributes)
end) do
{:ok, meta_data}
Map.merge(acc, attributes)
end)
|> maybe_put_title(html)
if Enum.empty?(meta_data) do
{:error, error_message}
else
_e -> {:error, error_message}
{:ok, meta_data}
end
end
@ -27,4 +31,17 @@ defmodule Pleroma.Web.RichMedia.Parsers.MetaTagsParser do
%{String.to_atom(data[key_name]) => data[value_name]}
end
defp maybe_put_title(%{title: _} = meta, _), do: meta
defp maybe_put_title(meta, html) do
case get_page_title(html) do
"" -> meta
title -> Map.put_new(meta, :title, title)
end
end
defp get_page_title(html) do
Floki.find(html, "title") |> Floki.text()
end
end