Revision: 1660
http://mrbs.svn.sourceforge.net/mrbs/?rev=1660&view=rev
Author: cimorrison
Date: 2010-12-02 11:22:31 +0000 (Thu, 02 Dec 2010)
Log Message:
-----------
Improved algorithm for generating globally unique iCalendar uids
Modified Paths:
--------------
mrbs/branches/ics_attachments/web/edit_entry_handler.php
Modified: mrbs/branches/ics_attachments/web/edit_entry_handler.php
===================================================================
--- mrbs/branches/ics_attachments/web/edit_entry_handler.php 2010-12-02
11:03:37 UTC (rev 1659)
+++ mrbs/branches/ics_attachments/web/edit_entry_handler.php 2010-12-02
11:22:31 UTC (rev 1660)
@@ -17,13 +17,13 @@
//
// We will generate a uid of the form "mrbs-uniqid-md5h...@domain_name"
// where uniqid is time based and is generated by uniqid() and the
-// MD5hash is the first 8 characters of the MD5 hash of the $str -
-// typically this will be something specific to the booking such as
-// the brief description.
+// MD5hash is the first 8 characters of the MD5 hash of $str concatenated
+// with a random number. Typically $str will be something specific to
+// the booking such as the brief description.
function generate_ical_uid($str)
{
$uid = uniqid('MRBS-');
- $uid .= "-" . substr(md5($str), 0, 8);
+ $uid .= "-" . substr(md5($str . rand(0,10000)), 0, 8);
$uid .= "@";
// Add on the domain name if possible, if not the server name,
// otherwise 'MRBS'
@@ -39,6 +39,7 @@
{
$uid .= $_SERVER['SERVER_NAME'];
}
+
return $uid;
}
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