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https://issues.apache.org/jira/browse/TIKA-4454?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18004683#comment-18004683
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Tim Allison commented on TIKA-4454:
-----------------------------------
This looks like it goes all the way back:
[https://github.com/apache/tika/blame/7d48d00ac1febfb1ac70e4887268b28fb4951b78/tika-core/src/main/resources/org/apache/tika/mime/tika-mimetypes.xml#L798]
How do we determine the difference between a pkcs7 mime and a pkcs signature?
Is it only based on the file extension, is there something in the magic or can
we make that determination at parse time in the Pkcs7Parser?
I see that the oid type for the example file is `data`: `1.2.840.113549.1.7.1`
> Media-type application/pkcs7-mime
> ----------------------------------
>
> Key: TIKA-4454
> URL: https://issues.apache.org/jira/browse/TIKA-4454
> Project: Tika
> Issue Type: Bug
> Affects Versions: 3.2.1
> Reporter: Salvatore MORANA
> Priority: Major
> Attachments: test.pdf.p7m
>
>
> Using the tika release 3.2.1, the detect method recognized EvelopedData (
> extension file .p7m) with Media-Type "application/pkcs7-mime" as
> "application/pkcs7-signature". This is a bug.
> Log with standalone release:
> Content-Length: 18211
> Content-Type: application/pkcs7-signature
> X-TIKA:Parsed-By: org.apache.tika.parser.DefaultParser
> X-TIKA:Parsed-By: org.apache.tika.parser.crypto.Pkcs7Parser
> X-TIKA:Parsed-By-Full-Set: org.apache.tika.parser.DefaultParser
> X-TIKA:Parsed-By-Full-Set: org.apache.tika.parser.crypto.Pkcs7Parser
> X-TIKA:Parsed-By-Full-Set: org.apache.tika.parser.pdf.PDFParser
> X-TIKA:digest:MD5: 8e011e26c464702a3ae91da49410a624
> X-TIKA:digest:SHA256:
> b8755cfd1a444c2da4b583edfb4d2edbebe7d0e802e4c8ced19a70283f5a9424
> resourceName: ExampleDoc.pdf.p7m
> As writted in the rfc RFC 5751
> ( https://www.rfc-editor.org/rfc/rfc8551.html , chapters "3.2. "The
> application/pkcs7-mime Media Type" and "3.2.1. The name and filename
> Parameters")
> the correct mediaType for EvelopedData is application/pkcs7-mime.
>
> I attach the file used for the tests.
> Thanks
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