From 03033e81d7d2f6b78738e5de058f487aa5ceb476 Mon Sep 17 00:00:00 2001
From: Henry Jameson <me@hjkos.com>
Date: Wed, 25 Jun 2025 16:11:39 +0300
Subject: [PATCH] allow data-mfm

---
 priv/scrubbers/default.ex | 27 ++++++++++++++++++++++++++-
 1 file changed, 26 insertions(+), 1 deletion(-)

diff --git a/priv/scrubbers/default.ex b/priv/scrubbers/default.ex
index dad9dc1a1..e0dac11da 100644
--- a/priv/scrubbers/default.ex
+++ b/priv/scrubbers/default.ex
@@ -41,6 +41,7 @@ defmodule Pleroma.HTML.Scrubber.Default do
 
   # sort(1)-ed list
   Meta.allow_tag_with_these_attributes(:bdi, [])
+  Meta.allow_tag_with_these_attributes(:center, [])
   Meta.allow_tag_with_these_attributes(:bdo, ["dir"])
   Meta.allow_tag_with_these_attributes(:big, ["lang"])
   Meta.allow_tag_with_these_attributes(:b, ["lang"])
@@ -80,9 +81,33 @@ defmodule Pleroma.HTML.Scrubber.Default do
   Meta.allow_tag_with_this_attribute_values(:span, "class", [
     "h-card",
     "recipients-inline",
-    "quote-inline"
+    "quote-inline",
+    "mfm",
+    "_mfm_tada_",
+    "_mfm_jelly_",
+    "_mfm_twitch_",
+    "_mfm_shake_",
+    "_mfm_spin_",
+    "_mfm_jump_",
+    "_mfm_bounce_",
+    "_mfm_flip_",
+    "_mfm_x2_",
+    "_mfm_x3_",
+    "_mfm_x4_",
+    "_mfm_blur_",
+    "_mfm_rainbow_",
+    "_mfm_rotate_"
   ])
 
+  Meta.allow_tag_with_these_attributes(:span, [
+    "data-x",
+    "data-y",
+    "data-h",
+    "data-v",
+    "data-left",
+    "data-right"
+  ]) ])
+
   Meta.allow_tag_with_these_attributes(:span, ["lang"])
 
   Meta.allow_tag_with_this_attribute_values(:code, "class", ["inline"])