[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
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 Reporter:  archon810     |       Owner:
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  Awaiting Review
Component:  Media         |     Version:  3.3.1
 Severity:  major         |  Resolution:
 Keywords:                |
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Comment (by archon810):

 Just tried sanitize_file_name, but it fires twice (at least during the
 xmlrpc method). I also tried to use the filter from
 https://core.trac.wordpress.org/attachment/ticket/19121/19121.2.patch, but
 that results in the same file being overwritten over and over (much worse)
 because the file name is modified too late and doesn't trigger a
 uniqueness check. My head is starting to spin from all the inconsistencies
 between the two upload functions (though it's probably three - there's one
 in atom-server too) and the side effects.

 Any further suggestions, Sergey?

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Ticket URL: <http://core.trac.wordpress.org/ticket/20057#comment:13>
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