@markup Application.get_env(:pleroma, :markup)
- def filter_tags(html) do
- scrubber = Keyword.get(@markup, :scrub_policy)
+ defp get_scrubbers(scrubber) when is_atom(scrubber), do: [scrubber]
+ defp get_scrubbers(scrubbers) when is_list(scrubbers), do: scrubbers
+ defp get_scrubbers(_), do: [Pleroma.HTML.Scrubber.Default]
+
+ def get_scrubbers() do
+ Keyword.get(@markup, :scrub_policy)
+ |> get_scrubbers
+ end
+
+ def filter_tags(html, nil) do
+ get_scrubbers()
+ |> Enum.reduce(html, fn scrubber, html ->
+ filter_tags(html, scrubber)
+ end)
+ end
+
+ def filter_tags(html, scrubber) do
html |> Scrubber.scrub(scrubber)
end
+ def filter_tags(html), do: filter_tags(html, nil)
+
def strip_tags(html) do
html |> Scrubber.scrub(Scrubber.StripTags)
end
# microformats
Meta.allow_tag_with_these_attributes("span", [])
+
+ # allow inline images for custom emoji
+ @markup Application.get_env(:pleroma, :markup)
+ @allow_inline_images Keyword.get(@markup, :allow_inline_images)
+
+ if @allow_inline_images do
+ Meta.allow_tag_with_uri_attributes("img", ["src"], @valid_schemes)
+
+ Meta.allow_tag_with_these_attributes("img", [
+ "width",
+ "height",
+ "title",
+ "alt"
+ ])
+ end
end
defmodule Pleroma.HTML.Scrubber.Default do
Meta.strip_everything_not_covered()
end
+
+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({tag, attributes, children}), do: {tag, attributes, children}
+ def scrub({tag, children}), do: children
+ def scrub(text), do: text
+end