[wp-trac] [WordPress Trac] #39963: MIME Alias Handling

[WordPress Trac]

#39963: MIME Alias Handling
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 Reporter:  blobfolio                 |       Owner:
     Type:  enhancement               |      Status:  new
 Priority:  normal                    |   Milestone:  Awaiting Review
Component:  Media                     |     Version:
 Severity:  normal                    |  Resolution:
 Keywords:  has-patch has-unit-tests  |     Focuses:
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Comment (by blobfolio):

 Replying to [comment:23 lukecavanagh]:
 > @hvianna
 >
 > Updated the plugin to '''blob-mimes.2.zip''' and this .xlsx test file
 uploaded fine on a local dev site running WP 4.7.3.
 >
 > http://dev-builds.libreoffice.org/tmp/test.xlsx

 Thanks @lukecavanagh. Because of legacy code living within the
 `fileinfo.so` extension itself, a single PHP server might return a
 different MIME type from one XLSX file to another.

 The class that was throwing @hvianna for a loop earlier,
 `application/CDFV2-xxx`, is a sort of catch-all that is used when a
 document contains ambiguous, corrupt, or unknowable magic headers (usually
 because of features like encryption or compression). Some XLSX files will
 trigger it, some won't.

 We'll have to wait for @hvianna to test the exact file from earlier to be
 sure, but it should be good now.

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Ticket URL: <https://core.trac.wordpress.org/ticket/39963#comment:24>
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