[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 SergeyBiryukov):

 Replying to [comment:2 dd32]:
 > There's a filter on the unique filename handler (wp_unique_filename() in
 wp-admin/includes/file.php from memory) which would allow you to check the
 database for filename collisions (the filepath should be stored as a meta
 field for each attachment).

 `wp_unique_filename()` doesn't seem to have a filter: #19121

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Ticket URL: <http://core.trac.wordpress.org/ticket/20057#comment:6>
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