[wp-trac] [WordPress Trac] #22363: Accents in attachment filenames should be sanitized

[WordPress Trac]

#22363: Accents in attachment filenames should be sanitized
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 Reporter:  tar.gz                      |       Owner:
     Type:  defect (bug)                |      Status:  new
 Priority:  normal                      |   Milestone:  3.8
Component:  Upload                      |     Version:  3.4
 Severity:  normal                      |  Resolution:
 Keywords:  has-patch needs-unit-tests  |
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Comment (by p_enrique):

 I'm not sure if I should open a new ticket for this, maybe someone will
 advise me. Anyway, I've been testing `sanitize_file_name( 'X.jpg' )` where
 X is an Unicode character that is a number or a letter (matching regex
 `/[\p{L}\p{N}]/u`). Alarmingly, there are many rather common characters
 that will result in a malformed, broken string being returned:
 {{{
 (U+00E0) : à Latin small letter a with grave
 (U+0160) : Š Latin capital letter s with caron
 (U+03A0) : Π Greek capital letter pi
 (U+0420) : Р Cyrillic capital letter er
 }}}
 A complete list is attached.

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Ticket URL: <http://core.trac.wordpress.org/ticket/22363#comment:34>
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