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ccf0477080
### Summary Closes #2489, which reported an inability to process `.p7s` files. PR implements two changes: - If the user selected content type for the email is not available and there is another valid content type available, fall back to the other valid content type. - For signed message, extract the signature and add it to the metadata ### Testing ```python from unstructured.partition.auto import partition filename = "example-docs/eml/signed-doc.p7s" elements = partition(filename=filename) # should get a message about fall back logic print(elements[0]) # "This is a test" elements[0].metadata.to_dict() # Will see the signature ```
18 lines
494 B
Plaintext
18 lines
494 B
Plaintext
MIME-Version: 1.0
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Content-Type: multipart/signed; protocol="application/x-pkcs7-signature"; micalg="sha-256"; boundary="----DA7C0B64AB4D78BAFBED70C0FA340877"
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This is an S/MIME signed message
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------DA7C0B64AB4D78BAFBED70C0FA340877
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This is a test
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------DA7C0B64AB4D78BAFBED70C0FA340877
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Content-Type: application/x-pkcs7-signature; name="smime.p7s"
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Content-Transfer-Encoding: base64
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Content-Disposition: attachment; filename="smime.p7s"
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<SIGNATURE>
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------DA7C0B64AB4D78BAFBED70C0FA340877--
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