From 4ef56b0ca4d997e5d0b331c488c83b7f574721df Mon Sep 17 00:00:00 2001
From: jbrw <jamie.wilson@discourse.org>
Date: Mon, 7 Feb 2022 21:02:32 -0500
Subject: [PATCH] FIX: Explicitly set `allowfullscreen` on Wistia Oneboxes
 (#15828)

---
 lib/onebox/engine/wistia_onebox.rb | 20 +++++++++++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)

diff --git a/lib/onebox/engine/wistia_onebox.rb b/lib/onebox/engine/wistia_onebox.rb
index 4abb2ff7fc4..0c4744d417f 100644
--- a/lib/onebox/engine/wistia_onebox.rb
+++ b/lib/onebox/engine/wistia_onebox.rb
@@ -11,7 +11,25 @@ module Onebox
       always_https
 
       def to_html
-        get_oembed.html
+        oembed = get_oembed
+        extracted_url = oembed.html.match(/iframe\ src\=\"(.*?)\"/)
+
+        if extracted_url
+          iframe_src = extracted_url[1]
+
+          <<-HTML
+            <iframe
+              src="#{iframe_src}"
+              width="#{oembed.width}"
+              height="#{oembed.height}"
+              title="#{oembed.title}"
+              frameborder="0"
+              allowfullscreen
+            ></iframe>
+          HTML
+        else
+          oembed.html
+        end
       end
 
       def placeholder_html