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- # Pleroma: A lightweight social networking server
- # Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
- # SPDX-License-Identifier: AGPL-3.0-only
-
- defmodule Pleroma.Web.Metadata do
- alias Phoenix.HTML
-
- def build_tags(params) do
- providers = [
- Pleroma.Web.Metadata.Providers.RelMe,
- Pleroma.Web.Metadata.Providers.RestrictIndexing
- | activated_providers()
- ]
-
- Enum.reduce(providers, "", fn parser, acc ->
- rendered_html =
- params
- |> parser.build_tags()
- |> Enum.map(&to_tag/1)
- |> Enum.map(&HTML.safe_to_string/1)
- |> Enum.join()
-
- acc <> rendered_html
- end)
- end
-
- def to_tag(data) do
- with {name, attrs, _content = []} <- data do
- HTML.Tag.tag(name, attrs)
- else
- {name, attrs, content} ->
- HTML.Tag.content_tag(name, content, attrs)
-
- _ ->
- raise ArgumentError, message: "make_tag invalid args"
- end
- end
-
- def activity_nsfw?(%{data: %{"sensitive" => sensitive}}) do
- Pleroma.Config.get([__MODULE__, :unfurl_nsfw], false) == false and sensitive
- end
-
- def activity_nsfw?(_) do
- false
- end
-
- defp activated_providers do
- unless Pleroma.Config.restrict_unauthenticated_access?(:activities, :local) do
- [Pleroma.Web.Metadata.Providers.Feed | Pleroma.Config.get([__MODULE__, :providers], [])]
- else
- []
- end
- end
- end
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