c0a30a2640...ff00990520 까지 반영

src/sammo/WebUtil.php

@@ -154,6 +154,9 @@ class WebUtil
         }
 
         $config = \HTMLPurifier_HTML5Config::createDefault();
+        $config->set('Filter.Custom', array (new \HTMLPurifier_Filter_YouTube()));
+        $config->set('HTML.SafeIframe', true);
+        $config->set('URI.SafeIframeRegexp', '%^(https?:)?//(www\.youtube(?:-nocookie)?\.com/embed/|player\.vimeo\.com/video/)%'); //allow YouTube and Vime
         $def = $config->getHTMLDefinition();
         $def->info_global_attr['data-flip'] = new \HTMLPurifier_AttrDef_Text;
         $purifier = new \HTMLPurifier($config);