[wp-trac] [WordPress Trac] #39550: Non-image files with the application/octet-stream mime type cannot be uploaded

[WordPress Trac]

#39550: Non-image files with the application/octet-stream mime type cannot be
uploaded
---------------------------+-----------------------------
 Reporter:  greatislander  |       Owner:
     Type:  defect (bug)   |      Status:  new
 Priority:  normal         |   Milestone:  4.7.2
Component:  Upload         |     Version:  trunk
 Severity:  normal         |  Resolution:
 Keywords:                 |     Focuses:  administration
---------------------------+-----------------------------

Comment (by greatislander):

 @stiofansisland Can you download
 [https://gist.github.com/greatislander/ae54e374d32a8fa2f5a59713548eb46c
 this gist] and test one of the CSV files you are trying to upload? From
 your command line, enter:


 {{{
 php check-mimetype.php /path/to/upload.csv
 }}}

 I can confirm that in my testing of two `.docx` files, one of them returns
 `application/vnd.openxmlformats-officedocument.wordprocessingml.document`
 and uploads to WordPress as expected, while the other returns `application
 /octet-stream` and fails to upload.

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Ticket URL: <https://core.trac.wordpress.org/ticket/39550#comment:8>
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