[wp-trac] [WordPress Trac] #39550: Some Non-image files fail to upload after 4.7.1

[WordPress Trac]

#39550: Some Non-image files fail to upload after 4.7.1
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 Reporter:  greatislander           |       Owner:  joemcgill
     Type:  defect (bug)            |      Status:  assigned
 Priority:  normal                  |   Milestone:  4.7.3
Component:  Upload                  |     Version:  4.7.1
 Severity:  critical                |  Resolution:
 Keywords:  has-patch dev-feedback  |     Focuses:
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Comment (by goldsounds):

 This regression broke uploads for my plugin https://wordpress.org/plugins
 /gltf-media-type/

 This plugin identifies .gltf files as type 'model/gltf+json', but the
 `finfo_file` function identifies them as 'text/plain' (because under the
 hood they're JSON).

 This results in wp_check_filetype_and_ext returning false for ext and
 type, and the security error.

 This is basically a 100% functionality breakage as far as my plugin is
 concerned!

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Ticket URL: <https://core.trac.wordpress.org/ticket/39550#comment:95>
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