remove unsafe characters from IPF_Utils::randomString()

diff --git a/ipf/utils.php b/ipf/utils.php
index 5e6b9b1158990a0b9c2635b56ee6a5ccd252f259..2ed6b64e10df8d2466ab79d3a396f9603e1882db 100644 (file)
--- a/ipf/utils.php
+++ b/ipf/utils.php
@@ -90,8 +90,7 @@ class IPF_Utils {
     static function randomString($len=35)
     {
         $string = '';
-        $chars = '0123456789abcdefghijklmnopqrstuvwxyz'
-            .'ABCDEFGHIJKLMNOPQRSTUVWXYZ!@#$%&*()+=-_}{[]><?/';
+        $chars = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
         $lchars = strlen($chars);
         $i = 0;
         while ($i<$len) {