From 8f6a120b52360475859c361514500e46698f0e74 Mon Sep 17 00:00:00 2001
From: Andy Staudacher <andy.st@gmail.com>
Date: Thu, 3 Sep 2009 08:39:44 -0700
Subject: Ensure that purify isn't applied twice for an already purified
 SafeString

---
 modules/gallery/libraries/SafeString.php | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'modules/gallery/libraries/SafeString.php')

diff --git a/modules/gallery/libraries/SafeString.php b/modules/gallery/libraries/SafeString.php
index 800647fa..e6f54add 100644
--- a/modules/gallery/libraries/SafeString.php
+++ b/modules/gallery/libraries/SafeString.php
@@ -51,7 +51,11 @@ class SafeString_Core {
    */
   static function purify($string) {
     if ($string instanceof SafeString) {
-      $string = $string->unescaped();
+      if ($string->_is_purified_html) {
+        return $string;
+      } else {
+        $string = $string->unescaped();
+      }
     }
     $safe_string = self::of_safe_html(self::_purify_for_html($string));
     $safe_string->_is_purified_html = true;
-- 
cgit v1.2.3