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https://issues.apache.org/jira/browse/TIKA-3960?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17682352#comment-17682352
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Nick Burch commented on TIKA-3960:
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If possible, please include a small test file and update
{{tika-parsers/src/test/java/org/apache/tika/mime/TestMimeTypes.java}} to test
the detection
> PGP encrypted files get detected as application/octet-stream
> ------------------------------------------------------------
>
> Key: TIKA-3960
> URL: https://issues.apache.org/jira/browse/TIKA-3960
> Project: Tika
> Issue Type: Bug
> Components: detector
> Affects Versions: 2.6.0
> Reporter: Tayseer Sabha
> Priority: Major
>
> We use Tika for detecting and validating uploaded files using their
> content/magic bytes and not only their names/extension.
> Passing a PGP/GPG encrypted file to Tika.detect(InputStream stream) will
> always return application/octet-stream instead of application/pgp-encrypted
> defined in tika-mimetypes.xml
> The issue occurs because the application/pgp-encrypted mime-type defined in
> tika-mimetypes.xml is lacking a magic match and only has <glob
> pattern="*.pgp"/>
> I managed to fix the issue for us temporarily by adding
> application/pgp-encrypted including a magic match in our custom-mimetypes.xml
> file. I will create a Pull Request on Github with the fix to resolve the
> issue.
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