[wp-trac] [WordPress Trac] #42838: Manipulating uploads and images can break when using stream wrappers

[WordPress Trac]

#42838: Manipulating uploads and images can break when using stream wrappers
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 Reporter:  calin         |      Owner:
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  General       |    Version:  trunk
 Severity:  normal        |   Keywords:
  Focuses:                |
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 When using PHP stream wrappers for storing uploads into object storages
 (like S3 or Google Cloud Storage) some things break because in this
 context a directory merely  a path which ends in a '/'.

 PHP's builtin `dirname` always returns the path without the trailing
 slash. On regular filesystems this is not a problem since `a` and `a/` are
 equivalent, but in the context of object storages this pose some issues.

 I'm attaching a patch which always add a trailing slash when the code
 expects to work with directories.

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Ticket URL: <https://core.trac.wordpress.org/ticket/42838>
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