From 07ba4d8b2b56721550c78a8a3f6aa8ca0997339d Mon Sep 17 00:00:00 2001
From: Ben Halpern <bendhalpern@gmail.com>
Date: Tue, 3 Sep 2019 16:38:04 -0400
Subject: [PATCH] Modify headers to allow embed (#3935)

---
 app/controllers/liquid_embeds_controller.rb | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/app/controllers/liquid_embeds_controller.rb b/app/controllers/liquid_embeds_controller.rb
index 63fa495df..69c21efde 100644
--- a/app/controllers/liquid_embeds_controller.rb
+++ b/app/controllers/liquid_embeds_controller.rb
@@ -1,7 +1,15 @@
 class LiquidEmbedsController < ApplicationController
   before_action :set_cache_control_headers, only: %i[show]
+  after_action :allow_iframe, only: :show
   layout false
+
   def show
     set_surrogate_key_header params.to_s
   end
+
+  private
+
+  def allow_iframe
+    response.headers.except! "X-Frame-Options"
+  end
 end