[wp-trac] [WordPress Trac] #65297: HEIC/HEIF MIME Type Mapping Is Inaccurate

[WordPress Trac]

#65297: HEIC/HEIF MIME Type Mapping Is Inaccurate
--------------------------+-----------------------------
 Reporter:  modi2918      |      Owner:  (none)
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  Upload        |    Version:
 Severity:  normal        |   Keywords:
  Focuses:                |
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 The MIME type map acknowledges that HEIC, HEIF, HEICS, and HEIFS files are
 not reliably distinguished by extension:

 // TODO: Needs improvement. All images with the following mime types seem
 to
 // have .heic file extension.
 'heic'  => 'image/heic',
 'heif'  => 'image/heif',
 'heics' => 'image/heic-sequence',
 'heifs' => 'image/heif-sequence',


 Additionally, in the validation code, image/heif, image/heic-sequence, and
 image/heif-sequence files all get their extension normalized to .heic,
 which is inaccurate for sequence files and HEIF files that use different
 container types. This can cause upload validation failures and incorrect
 file extension assignment.

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Ticket URL: <https://core.trac.wordpress.org/ticket/65297>
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