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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (TIKA-1554) Improve EMF file detection
Date Tue, 17 Mar 2015 20:40:38 GMT

    [ https://issues.apache.org/jira/browse/TIKA-1554?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14366038#comment-14366038
] 

ASF GitHub Bot commented on TIKA-1554:
--------------------------------------

GitHub user mkr opened a pull request:

    https://github.com/apache/tika/pull/34

    TIKA-1554: Adding EMF magic as per Microsoft's EMF specification, thanks to Luis Filipe
Nassif

    TIKA-1554: Adding EMF magic as per Microsoft's EMF specification, thanks to Luis Filipe
Nassif

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/mkr/tika TIKA-1554

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/tika/pull/34.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #34
    
----
commit 4608ff50c28b9ba8c2d1caf6fe4530eeb2a088be
Author: Matthias Krueger <mkr@mkr.io>
Date:   2015-03-17T12:45:06Z

    TIKA-1554: Adding EMF magic as per Microsoft's EMF specification, thanks to Luis Filipe
Nassif

----


> Improve EMF file detection
> --------------------------
>
>                 Key: TIKA-1554
>                 URL: https://issues.apache.org/jira/browse/TIKA-1554
>             Project: Tika
>          Issue Type: Bug
>          Components: detector
>    Affects Versions: 1.7
>            Reporter: Luis Filipe Nassif
>         Attachments: nonEmf.dat
>
>
> I am getting many files being incorrectly detected as application/x-emf. I think the
current magic is too common. According to MS documentation (https://msdn.microsoft.com/en-us/library/cc230635.aspx
and https://msdn.microsoft.com/en-us/library/dd240211.aspx), it can be improved to:
> {code}
> <mime-type type="application/x-emf">
>     <acronym>EMF</acronym>
>     <_comment>Extended Metafile</_comment>
>     <glob pattern="*.emf"/>
>     <magic priority="50">
>       <match value="0x01000000" type="string" offset="0">
>       	<match value=" EMF" type="string" offset="40"/>
>       </match>
>     </magic>
>   </mime-type>
> {code}



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