links in meeting description

src/server/server/control/TB_Server_Control_Appointment.php

@@ -61,11 +61,20 @@ class TB_Server_Control_Appointment {
         $maxAttendees = ( (int)$params->get( 'maxAttendee') === 0 ) ? NULL : (int)$params->get( 'maxAttendee');
 
         $comment = _xss( $params->get( 'comment' ) );
+
         if ( 0 === mb_strlen( $comment ) )
         {
             $comment = NULL;
         }
 
+// Link replacements
+//        if ( 0 === mb_strlen( $comment ) )
+//        {
+//            $comment = NULL;
+//        } else {
+//            $comment = TB_Server_Utils_Helper::makeUrltoLink($comment);
+//        }
+
         $visibility = $params->get( 'visibility', TB_Shared_Ent_TeamData_Appointment::VISIBLE_ALL );
 
         if ( $visibility !== TB_Shared_Ent_TeamData_Appointment::VISIBLE_ALL && $visibility !== TB_Shared_Ent_TeamData_Appointment::VISIBLE_CATEGORIES )
@@ -399,11 +408,20 @@ class TB_Server_Control_Appointment {
             $maxAttendees = ( (int)$params->get( 'maxAttendee') === 0 ) ? NULL : (int)$params->get( 'maxAttendee');
 
             $comment = _xss( $params->get( 'comment' ) );
+
             if ( 0 === mb_strlen( $comment ) )
             {
                 $comment = NULL;
             }
 
+// Link replacements
+//            if ( 0 === mb_strlen( $comment ) )
+//            {
+//                $comment = NULL;
+//            } else {
+//                $comment = TB_Server_Utils_Helper::makeUrltoLink($comment);
+//            }
+
             $visibility = $params->get( 'visibility', TB_Shared_Ent_TeamData_Appointment::VISIBLE_ALL );
 
             if ( $visibility !== TB_Shared_Ent_TeamData_Appointment::VISIBLE_ALL && $visibility !== TB_Shared_Ent_TeamData_Appointment::VISIBLE_CATEGORIES )

src/server/server/utils/TB_Server_Utils_Helper.php

@@ -140,6 +140,15 @@ class TB_Server_Utils_Helper {
         return $token;
     }
 
+    public static function makeUrltoLink($string) {
+        // The Regular Expression filter
+        $reg_pattern = "/(((http|https|ftp|ftps)\:\/\/)|(www\.))[a-zA-Z0-9\-\.]+\.[a-zA-Z]{2,3}(\:[0-9]+)?(\/\S*)?/";
+
+        // make the urls to hyperlinks
+        $strUrlReplaced = preg_replace($reg_pattern, '<a href="$0" target="_blank" rel="noopener noreferrer">$0</a>', $string);
+        return preg_replace('/href="www./', 'href="https://www.', $strUrlReplaced);
+    }
+
     private static function generateTeamId()
     {
         $length = 4;