From 0e005c4dd8b42229765710344c215ab96fcff8c4 Mon Sep 17 00:00:00 2001
From: noraiz-anwar <noraizbhatti@gmail.com>
Date: Tue, 7 Aug 2018 16:33:21 +0500
Subject: [PATCH] exempt pdf view from xframe_options:deny

---
 lms/djangoapps/staticbook/views.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lms/djangoapps/staticbook/views.py b/lms/djangoapps/staticbook/views.py
index 47dc5d282b..9ada2322ca 100644
--- a/lms/djangoapps/staticbook/views.py
+++ b/lms/djangoapps/staticbook/views.py
@@ -3,6 +3,7 @@ Views for serving static textbooks.
 """
 
 from django.contrib.auth.decorators import login_required
+from django.views.decorators.clickjacking import xframe_options_exempt
 from django.http import Http404
 from opaque_keys.edx.keys import CourseKey
 
@@ -60,6 +61,7 @@ def remap_static_url(original_url, course):
 
 
 @login_required
+@xframe_options_exempt
 def pdf_index(request, course_id, book_index, chapter=None, page=None):
     """
     Display a PDF textbook.