From 84515bb42229f93abdf4b0c06ca2936e052a421a Mon Sep 17 00:00:00 2001
From: panakour <panakourweb@gmail.com>
Date: Sat, 5 Oct 2019 00:12:54 +0300
Subject: [PATCH] let iframe for Facebook video

---
 src/Clean/HtmlCleaner.php | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/Clean/HtmlCleaner.php b/src/Clean/HtmlCleaner.php
index ee5bb80..60b31a5 100644
--- a/src/Clean/HtmlCleaner.php
+++ b/src/Clean/HtmlCleaner.php
@@ -90,7 +90,7 @@ public function setAllowedElements(array $allowedElements)
     protected function purify(): void
     {
         $purifierConfig = HTMLPurifier_Config::createDefault();
-        $this->enableIframeForYoutubeAndVimeo($purifierConfig);
+        $this->enableIframeForYoutubeVimeoFacebook($purifierConfig);
         $purifierConfig->set('HTML.AllowedElements', $this->allowedElements);
         if (in_array('a', $this->allowedElements)) {
             $this->allowedAttributes = array_merge($this->allowedAttributes, ['a.href', 'a.target', 'a.rel']);
@@ -127,13 +127,13 @@ public function cleanRelativeUrls()
         }
     }
 
-    protected function enableIframeForYoutubeAndVimeo($purifierConfig)
+    protected function enableIframeForYoutubeVimeoFacebook($purifierConfig)
     {
         if ($this->dom->getNodeList('iframe')->length) {
             array_push($this->allowedElements, 'iframe');
             array_push($this->allowedAttributes, 'iframe.src');
             $purifierConfig->set('HTML.SafeIframe', true);
-            $purifierConfig->set('URI.SafeIframeRegexp', '%^(https?:)?//(www\.youtube(?:-nocookie)?\.com/embed/|player\.vimeo\.com/video/)%');
+            $purifierConfig->set('URI.SafeIframeRegexp', '%^(https?:)?//(www\.youtube(?:-nocookie)?\.com/embed/|player\.vimeo\.com/video/|www\.facebook\.com/plugins/video.php\?)%');
         }
     }