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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.Activity.HTML do
- alias Pleroma.HTML
- alias Pleroma.Object
-
- @cachex Pleroma.Config.get([:cachex, :provider], Cachex)
-
- def get_cached_scrubbed_html_for_activity(
- content,
- scrubbers,
- activity,
- key \\ "",
- callback \\ fn x -> x end
- ) do
- key = "#{key}#{generate_scrubber_signature(scrubbers)}|#{activity.id}"
-
- @cachex.fetch!(:scrubber_cache, key, fn _key ->
- object = Object.normalize(activity, fetch: false)
- HTML.ensure_scrubbed_html(content, scrubbers, object.data["fake"] || false, callback)
- end)
- end
-
- def get_cached_stripped_html_for_activity(content, activity, key) do
- get_cached_scrubbed_html_for_activity(
- content,
- FastSanitize.Sanitizer.StripTags,
- activity,
- key,
- &HtmlEntities.decode/1
- )
- end
-
- defp generate_scrubber_signature(scrubber) when is_atom(scrubber) do
- generate_scrubber_signature([scrubber])
- end
-
- defp generate_scrubber_signature(scrubbers) do
- Enum.reduce(scrubbers, "", fn scrubber, signature ->
- "#{signature}#{to_string(scrubber)}"
- end)
- end
- end
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