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attachments = self.env['ir.attachment'].search([
('res_model', '=', 'certificate.key'),
('res_field', '=', 'content'),
('res_id', 'in', self.private_key_id.ids),
])
content_to_key_id = {(att.raw.content, att.company_id.id): att.res_id for att in attachments}
for certificate in self:
if not certificate.pem_certificate:
certificate.private_key_id = None
continue
content = certificate.content.content
key_password = certificate.pkcs12_password.encode('utf-8') if certificate.pkcs12_password else None
key = None
# Create the private key if using PKCS12 or PEM files and no private key is set
if certificate.content_format == 'pkcs12':
with suppress(ValueError, TypeError, UnsupportedAlgorithm):
key, _cert, _additional_certs = pkcs12.load_key_and_certificates(content, key_password)
elif certificate.content_format == 'pem':
with suppress(ValueError, TypeError, UnsupportedAlgorithm):
key = serialization.load_pem_private_key(content, password=key_password)
if key:
pem_key = key.private_bytes(
encoding=Encoding.PEM,
format=serialization.PrivateFormat.PKCS8,
encryption_algorithm=serialization.NoEncryption()
)
key_id = content_to_key_id.get((pem_key, certificate.company_id.id))
if not key_id:
key_id = self.env['certificate.key'].create({
'name': (certificate.subject_common_name or certificate.name or "") + ".key",
'content': BinaryBytes(pem_key),
'company_id': certificate.company_id.id,
})
certificate.private_key_id = key_id
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