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https://issues.apache.org/jira/browse/TIKA-1632?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Nick Burch resolved TIKA-1632.
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Resolution: Fixed
Fix Version/s: 1.9
> ZLIB magic detection support
> ----------------------------
>
> Key: TIKA-1632
> URL: https://issues.apache.org/jira/browse/TIKA-1632
> Project: Tika
> Issue Type: Improvement
> Components: detector
> Reporter: Pavel Micka
> Priority: Minor
> Fix For: 1.9
>
>
> In our environment we encounter many compressed streams, one of them (which
> is currently not supported by Tika 1.8) is ZLIB. According to my sources and
> experience the magics that cover majority of ZLIB archives are these:
> <mime-type type="application/zlib">
> <_comment>Zlib Compressed Archive</_comment>
> <magic priority="45">
> <match value="\x78\x01" type="string" offset="0" />
> <match value="\x78\x9c" type="string" offset="0" />
> <match value="\x78\xda" type="string" offset="0" />
> </magic>
> </mime-type>
> Well described here:
> http://stackoverflow.com/questions/9050260/what-does-a-zlib-header-look-like
> Original RFC here:
> http://tools.ietf.org/html/rfc1950
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