32 lines
967 B
Python
32 lines
967 B
Python
import tempfile
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from django.conf import settings
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from django.db import models
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from ietf.utils.pipe import pipe
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class EncryptedException(Exception):
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pass
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class EncryptedTextField(models.TextField):
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def pre_save(self, instance, add):
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if add:
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comments = getattr(instance, 'comments')
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position = getattr(instance, 'position')
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cert_file = position.nomcom.public_key.path
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comments_file = tempfile.NamedTemporaryFile()
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comments_file.write(comments)
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code, out, error = pipe("%s smime -encrypt -in %s %s" % (settings.OPENSSL_COMMAND,
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comments_file.name,
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cert_file))
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comments_file.close()
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if not error:
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instance.comments = out
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return out
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else:
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raise EncryptedException(error)
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else:
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return instance.comments
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