forked from AkkomaGang/akkoma
67 lines
2.1 KiB
Elixir
67 lines
2.1 KiB
Elixir
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defmodule Pleroma.Web.Metadata.Providers.OpenGraph do
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alias Pleroma.Web.Metadata.Providers.Provider
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alias Pleroma.{HTML, Formatter, User}
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alias Pleroma.Web.MediaProxy
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@behaviour Provider
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@impl Provider
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def build_tags(%{activity: activity, user: user}) do
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with truncated_content = scrub_html_and_truncate(activity.data["object"]["content"]) do
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[
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{:meta,
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[
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property: "og:title",
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content: user_name_string(user)
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], []},
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{:meta, [property: "og:url", content: activity.data["id"]], []},
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{:meta, [property: "og:description", content: truncated_content], []},
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{:meta, [property: "og:image", content: user_avatar_url(user)], []},
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{:meta, [property: "og:image:width", content: 120], []},
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{:meta, [property: "og:image:height", content: 120], []},
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{:meta, [property: "twitter:card", content: "summary"], []}
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]
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end
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end
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@impl Provider
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def build_tags(%{user: user}) do
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with truncated_bio = scrub_html_and_truncate(user.bio || "") do
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[
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{:meta,
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[
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property: "og:title",
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content: user_name_string(user)
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], []},
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{:meta, [property: "og:url", content: User.profile_url(user)], []},
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{:meta, [property: "og:description", content: truncated_bio], []},
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{:meta, [property: "og:image", content: user_avatar_url(user)], []},
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{:meta, [property: "og:image:width", content: 120], []},
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{:meta, [property: "og:image:height", content: 120], []},
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{:meta, [property: "twitter:card", content: "summary"], []}
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]
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end
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end
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defp scrub_html_and_truncate(content) do
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content
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# html content comes from DB already encoded, decode first and scrub after
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|> HtmlEntities.decode()
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|> HTML.strip_tags()
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|> Formatter.truncate()
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end
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defp user_avatar_url(user) do
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User.avatar_url(user) |> MediaProxy.url()
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end
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defp user_name_string(user) do
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"#{user.name}" <>
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if user.local do
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"(@#{user.nickname}@#{Pleroma.Web.Endpoint.host()})"
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else
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"(@#{user.nickname})"
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end
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end
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end
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