def test_get_signature_from_mime_without_Override(self):
crt_path = self.__get_cert_path('edi04_with_ca.pem')
pass_phrase = "newegg@123"
rst = SMIMEHelper.sign_to_mime_detached(self.clearText, crt_path, pass_phrase)
signature = SMIMEHelper.get_signature_from_mime(rst, False, 'application/pkcs7-signature')
assert_not_equal(None, signature)
assert_equal(True, "Content-Disposition" in signature)
assert_equal(True, "Content-Type" in signature)
def _signature(self):
if not self.is_signed:
self.context.trace("signature ignored")
return
cert_thumbprint = self.context.agreement.outbound_agreement.message_signature_certificate.thumbprint
cert_local_file_path = self.context.agreement.outbound_agreement.message_signature_certificate.local_file_path
cert_pass_phrase = self.context.agreement.outbound_agreement.message_signature_certificate.pass_phrase
cert_signature_algorithm = self.context.agreement.outbound_agreement.message_signature_algorithm
try:
f_mime_string = SMIMEHelper.format_with_cr_lf(
SMIMEHelper.mime_to_string(self.mime_message))
self.mic_content = f_mime_string
self.mic_algorithm = self.context.agreement.outbound_agreement.message_signature_algorithm
detached_signed_message = SMIMEHelper.sign_to_mime_detached(
f_mime_string,
cert_local_file_path,
cert_pass_phrase,
cert_signature_algorithm)
signature = SMIMEHelper.get_signature_from_mime(detached_signed_message)
if signature is None:
raise Exception("signature is none from detached signed mime message")
signed_mime_message = MIMEMultipart('signed', boundary=SMIMEHelper.get_random_boundary(),
protocol="application/pkcs7-signature")
del signed_mime_message['MIME-Version']
signed_mime_message.set_param('micalg', self.mic_algorithm)
signed_mime_message.attach(self.mime_message)
signed_mime_message.attach(signature)
self.body = SMIMEHelper.format_with_cr_lf(SMIMEHelper.extract_payload(signed_mime_message))
self.mime_message = signed_mime_message
self.context.trace("signature finished; thumbprint: {thumbprint}, algorithm: {algorithm}",
thumbprint=cert_thumbprint,
algorithm=cert_signature_algorithm)
except:
logger.exception("signature failed; message-id: {id}".format(id=self.message_id))
raise AS2SignatureException(
"signature failed; thumbprint: {thumbprint}, algorithm: {algorithm}, due to: {message}",
thumbprint=cert_thumbprint,
algorithm=cert_signature_algorithm,
message=sys.exc_info()[1])
def _signature_mdn_mime(self, mdn_report):
signed_mdn_report = MIMEMultipart(
'signed',
boundary=SMIMEHelper.get_random_boundary(),
protocol="application/pkcs7-signature")
signed_mdn_report.attach(mdn_report)
cert_thumbprint = self.context.agreement.outbound_agreement.message_signature_certificate.thumbprint
cert_local_file_path = self.context.agreement.outbound_agreement.message_signature_certificate.local_file_path
cert_pass_phrase = self.context.agreement.outbound_agreement.message_signature_certificate.pass_phrase
cert_signature_algorithm = self.context.agreement.inbound_agreement.mdn_signature_algorithm
try:
mime_message = SMIMEHelper.sign_to_mime_detached(
SMIMEHelper.format_with_cr_lf(
SMIMEHelper.mime_to_string(mdn_report)),
cert_local_file_path, cert_pass_phrase,
cert_signature_algorithm)
signature = SMIMEHelper.get_signature_from_mime(mime_message)
del signature['MIME-Version']
signed_mdn_report.set_param('micalg', cert_signature_algorithm)
signed_mdn_report.attach(signature)
self.context.trace(
"mdn signature finished; thumbprint: {thumbprint}, algorithm: {algorithm}",
thumbprint=cert_thumbprint,
algorithm=cert_signature_algorithm)
except:
logger.exception('sign mdn failed')
raise AS2MdnException(
"mdn signature failed; thumbprint: {thumbprint}, algorithm: {algorithm}, due to: {message}",
thumbprint=cert_thumbprint,
algorithm=cert_signature_algorithm,
message=sys.exc_info()[1])
return signed_mdn_report