From dd9585f3148c1711770092a4af8f4bb4dc36f9ca Mon Sep 17 00:00:00 2001
From: Alex Lobtsov <dessander@gmail.com>
Date: Wed, 26 Mar 2014 14:46:14 +0400
Subject: [PATCH] add base64_encode to Munge

---
 library/HTMLPurifier/URIFilter/Munge.php | 1 +
 1 file changed, 1 insertion(+)

diff --git a/library/HTMLPurifier/URIFilter/Munge.php b/library/HTMLPurifier/URIFilter/Munge.php
index 6e03315a..488096d4 100644
--- a/library/HTMLPurifier/URIFilter/Munge.php
+++ b/library/HTMLPurifier/URIFilter/Munge.php
@@ -109,6 +109,7 @@ class HTMLPurifier_URIFilter_Munge extends HTMLPurifier_URIFilter
         if ($this->secretKey) {
             $this->replace['%t'] = hash_hmac("sha256", $string, $this->secretKey);
         }
+        $this->replace['%b'] = base64_encode($string);
     }
 }