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https://issues.apache.org/jira/browse/TIKA-1823?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Luca Moretti updated TIKA-1823:
-------------------------------
Affects Version/s: (was: 1.11)
> Support detecting DWF format
> ----------------------------
>
> Key: TIKA-1823
> URL: https://issues.apache.org/jira/browse/TIKA-1823
> Project: Tika
> Issue Type: Improvement
> Components: detector, mime
> Reporter: Luca Moretti
> Priority: Minor
> Labels: detection, dwf, mime
>
> Tika currently detects dwf files as application/octect-stream.
> To make Tika mime magic detector correctly recognize dwf files it should be
> added this code fragment in _tika-mimetypes.xml_ registry:
> {code:xml}
> <mime-type type="model/vnd.dwf">
> <acronym>dwf</acronym>
> <_comment>Design Web Format</_comment>
> <magic priority="50">
> <match type="string" offset="0" value="(DWF V">
> <match type="string" offset="8" value=".">
> <match type="string" offset="11" value=")" />
> </match>
> </match>
> </magic>
> <glob pattern="*.dwf" />
> </mime-type>
> {code}
> \\
> In current version (DWF 6.0), dwf file is a ZIP-compressed container for
> vector-based CAD drawings. It is basically a ZIP archive with the _(DWF
> V06.00)_ signature added before the regular ZIP magic number. For this
> reason, the match value to detect dwf files should be: {{(DWF V06.00)PK}}.
> In the previous versions, the dwf data transport isn't a ZIP file format, so
> the magic number is only the _(DWF V00.55)_ signature in the file header.
> To make Tika detect dwf files with this version too I propose the match value
> in the code above.
> Thanks,
> Luca
> \\
> P.S.: The DWF format specification is included in the DWF Toolkit. The DWF
> Toolkit is available for free at [http://www.autodesk.com/dwftoolkit]
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