[Bug 18803] New: JPEG 2000 image files are not supported, but can be uploaded non-functionally with .jpg extension

[bugzilla-daemon]

https://bugzilla.wikimedia.org/show_bug.cgi?id=18803

           Summary: JPEG 2000 image files are not supported, but can be
                    uploaded non-functionally with .jpg extension
           Product: MediaWiki
           Version: unspecified
          Platform: All
               URL: http://commons.wikimedia.org/wiki/Image:VIC_2_SECTION_%2
                    8Converted%29-1.jpg
        OS/Version: All
            Status: NEW
          Severity: enhancement
          Priority: Normal
         Component: Uploading
        AssignedTo: wikibugs-l@lists.wikimedia.org
        ReportedBy: br...@wikimedia.org


Rolling this out of bug 11871, which was asking for _support_ for JPEG 2000
images. Since they're not widely supported by browsers and they're a lossy
format without a clear benefit to use I'm WONTFIXing that for now, but the
upload bug that makes it possible to mistakenly upload them remains.

http://commons.wikimedia.org/wiki/Image:VIC_2_SECTION_%28Converted%29-1.jpg
is an example of a file that was first uploaded as JPEG 2000 (the current
version was correctly converted to regular JPEG).

http://test.wikipedia.org/wiki/File:A_JPEG_2000_file.jpg
is an example mentioned also on the previous bug which I reuploaded to test to
confirm the bug is still present.

File file type is being detected as image/jp2, but this shouldn't make it past
upload since it shouldn't match '.jpg' file extension...


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