media_proxy.ex
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media_proxy.ex
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	defmodule Pleroma.HTML.Transform.MediaProxy do
	@moduledoc "Transforms inline image URIs to use MediaProxy."

	alias Pleroma.Web.MediaProxy

	def before_scrub(html), do: html

	def scrub_attribute(:img, {"src", "http" <> target}) do
	media_url =
	("http" <> target)
	\|> MediaProxy.url()

	{"src", media_url}
	end

	def scrub_attribute(_tag, attribute), do: attribute

	def scrub({:img, attributes, children}) do
	attributes =
	attributes
	\|> Enum.map(fn attr -> scrub_attribute(:img, attr) end)
	\|> Enum.reject(&is_nil(&1))

	{:img, attributes, children}
	end

	def scrub({:comment, _text, _children}), do: ""

	def scrub({tag, attributes, children}), do: {tag, attributes, children}
	def scrub({_tag, children}), do: children
	def scrub(text), do: text
	end