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akkoma/priv/scrubbers/media_proxy.ex
rinpatch d6c89068f3 HTML: Compile Scrubbers on boot
This makes it possible to configure their behavior on OTP releases.
2019-12-08 20:35:41 +03:00

33 lines
807 B
Elixir

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