45 lines
1.3 KiB
Elixir
45 lines
1.3 KiB
Elixir
# Pleroma: A lightweight social networking server
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# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.Activity.HTML do
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alias Pleroma.HTML
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alias Pleroma.Object
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@cachex Pleroma.Config.get([:cachex, :provider], Cachex)
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def get_cached_scrubbed_html_for_activity(
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content,
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scrubbers,
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activity,
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key \\ "",
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callback \\ fn x -> x end
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) do
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key = "#{key}#{generate_scrubber_signature(scrubbers)}|#{activity.id}"
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@cachex.fetch!(:scrubber_cache, key, fn _key ->
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object = Object.normalize(activity, fetch: false)
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HTML.ensure_scrubbed_html(content, scrubbers, object.data["fake"] || false, callback)
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end)
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end
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def get_cached_stripped_html_for_activity(content, activity, key) do
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get_cached_scrubbed_html_for_activity(
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content,
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FastSanitize.Sanitizer.StripTags,
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activity,
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key,
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&HtmlEntities.decode/1
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)
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end
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defp generate_scrubber_signature(scrubber) when is_atom(scrubber) do
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generate_scrubber_signature([scrubber])
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end
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defp generate_scrubber_signature(scrubbers) do
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Enum.reduce(scrubbers, "", fn scrubber, signature ->
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"#{signature}#{to_string(scrubber)}"
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end)
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end
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end
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