+
+ def get_cached_scrubbed_html_for_object(content, scrubbers, object) do
+ key = "#{generate_scrubber_signature(scrubbers)}|#{object.id}"
+ Cachex.fetch!(:scrubber_cache, key, fn _key -> ensure_scrubbed_html(content, scrubbers) end)
+ end
+
+ def get_cached_stripped_html_for_object(content, object) do
+ get_cached_scrubbed_html_for_object(content, HtmlSanitizeEx.Scrubber.StripTags, object)
+ end
+
+ def ensure_scrubbed_html(
+ content,
+ scrubbers
+ ) do
+ {:commit, filter_tags(content, scrubbers)}
+ 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 ->
+ # If a scrubber does not have a version(e.g HtmlSanitizeEx.Scrubber.StripTags) it is assumed it is always 0)
+ version =
+ if Kernel.function_exported?(scrubber, :version, 0) do
+ scrubber.version
+ else
+ 0
+ end
+
+ "#{signature}#{to_string(scrubber)}#{version}"
+ end)
+ end