[wp-trac] [WordPress Trac] #20057: Media upload for multi-webserver setups introduces a nasty race condition that could corrupt uploaded files

[WordPress Trac]

#20057: Media upload for multi-webserver setups introduces a nasty race condition
that could corrupt uploaded files
--------------------------+------------------------------
 Reporter:  archon810     |       Owner:
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  Awaiting Review
Component:  Media         |     Version:  3.3.1
 Severity:  major         |  Resolution:
 Keywords:                |
--------------------------+------------------------------

Comment (by archon810):

 Alright, this seems to work, I guess. I tested with xmlrpc and regular web
 uploads.

 {{{
 /**
 * Prepend the server name to file uploads
 *
 * @param string $filename
 * @param string $filename_raw
 */
 function my_sanitize_file_name($filename, $filename_raw) {
   $prefix = trim(`hostname`)."_";

   if(!preg_match("/^$prefix/", $filename))
     $filename = $prefix . $filename;

   return $filename;
 }
 add_filter('sanitize_file_name', 'my_sanitize_file_name', 10, 2);
 }}}

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Ticket URL: <http://core.trac.wordpress.org/ticket/20057#comment:15>
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