[wp-trac] [WordPress Trac] #27495: Multisite SVG uploads are served with incorrect mime/type

[WordPress Trac]

#27495: Multisite SVG uploads are served with incorrect mime/type
-------------------------------------+------------------------------
 Reporter:  jhawksley                |       Owner:
     Type:  defect (bug)             |      Status:  new
 Priority:  normal                   |   Milestone:  Awaiting Review
Component:  Media                    |     Version:  3.0
 Severity:  normal                   |  Resolution:
 Keywords:  reporter-feedback close  |     Focuses:  multisite
-------------------------------------+------------------------------
Changes (by SergeyBiryukov):

 * keywords:  reporter-feedback => reporter-feedback close


Comment:

 Replying to [comment:2 jhawksley]:
 > That is not the case. Even when setting mime type as image/svg, ms-
 files.php still sets the header as text/xml.

 I could not reproduce this with the code from comment:1:ticket:20990.

 `ms-files.php` uses `wp_check_filetype()` and falls back to
 `mime_content_type()`:
 [source:tags/3.8.2/src/wp-includes/ms-files.php#L32].

 If the correct `image/svg+xml` type is added via `upload_mimes` filter,
 then `wp_check_filetype()` returns that.

 Otherwise, `mime_content_type()` is used, which depends on server
 configuration (see comment:10:ticket:25224).

 This appears to be a duplicate of #24251 and #26256. See also #25224 and
 #26591.

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Ticket URL: <https://core.trac.wordpress.org/ticket/27495#comment:3>
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