From 255f46d7ab124d86a71e994deffca5f4f438b49b Mon Sep 17 00:00:00 2001
From: William Pitcock <nenolod@dereferenced.org>
Date: Sun, 9 Sep 2018 23:29:00 +0000
Subject: [PATCH] html: new module providing a configurable markup scrubbing
 policy

---
 config/config.exs   |  3 +++
 lib/pleroma/html.ex | 14 ++++++++++++++
 2 files changed, 17 insertions(+)
 create mode 100644 lib/pleroma/html.ex

diff --git a/config/config.exs b/config/config.exs
index ed718c3d3..559a12a91 100644
--- a/config/config.exs
+++ b/config/config.exs
@@ -76,6 +76,9 @@ config :pleroma, :instance,
   quarantined_instances: [],
   managed_config: true
 
+config :pleroma, :markup,
+  scrub_policy: HtmlSanitizeEx.Scrubber.BasicHTML
+
 config :pleroma, :fe,
   theme: "pleroma-dark",
   logo: "/static/logo.png",
diff --git a/lib/pleroma/html.ex b/lib/pleroma/html.ex
new file mode 100644
index 000000000..0ec73a91d
--- /dev/null
+++ b/lib/pleroma/html.ex
@@ -0,0 +1,14 @@
+defmodule Pleroma.HTML do
+  alias HtmlSanitizeEx.Scrubber
+
+  @markup Application.get_env(:pleroma, :markup)
+
+  def filter_tags(html) do
+    scrubber = Keyword.get(@markup, :scrub_policy)
+    html |> Scrubber.scrub(scrubber)
+  end
+
+  def strip_tags(html) do
+    html |> Scrubber.scrub(Scrubber.StripTags)
+  end
+end
-- 
2.45.2