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Merge branch 'richmedia-workaround' into 'develop'

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Workaround for RichMedia preview image breakage edge case

See merge request pleroma/pleroma!3363
This commit is contained in:
rinpatch 2021-03-21 08:19:42 +00:00
commit 72143dd732
1 changed files with 25 additions and 3 deletions
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28
lib/pleroma/web/mastodon_api/views/status_view.ex
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@ -381,12 +381,15 @@ def render("card.json", %{rich_media: rich_media, page_url: page_url}) do
page_url = page_url_data |> to_string page_url = page_url_data |> to_string
image_url = image_url_data =
if is_binary(rich_media["image"]) do if is_binary(rich_media["image"]) do
URI.merge(page_url_data, URI.parse(rich_media["image"])) URI.parse(rich_media["image"])
|> to_string else
nil
end end
image_url = build_image_url(image_url_data, page_url_data)
%{ %{
type: "link", type: "link",
provider_name: page_url_data.host, provider_name: page_url_data.host,
@ -542,4 +545,23 @@ defp build_application(%{"type" => _type, "name" => name, "url" => url}),
do: %{name: name, website: url} do: %{name: name, website: url}
defp build_application(_), do: nil defp build_application(_), do: nil
# Workaround for Elixir issue #10771
# Avoid applying URI.merge unless necessary
# TODO: revert to always attempting URI.merge(image_url_data, page_url_data)
# when Elixir 1.12 is the minimum supported version
@spec build_image_url(struct() | nil, struct()) :: String.t() | nil
defp build_image_url(
%URI{scheme: image_scheme, host: image_host} = image_url_data,
%URI{} = _page_url_data
)
when not is_nil(image_scheme) and not is_nil(image_host) do
image_url_data |> to_string
end
defp build_image_url(%URI{} = image_url_data, %URI{} = page_url_data) do
URI.merge(page_url_data, image_url_data) |> to_string
end
defp build_image_url(_, _), do: nil
end end