def test_duplicate_message(self):
""" Test case where a duplicate message is sent to the partner """
# Build an As2 message to be transmitted to partner
self.partner.sign = True
self.partner.encrypt = True
self.partner.mdn_mode = as2.SYNCHRONOUS_MDN
self.out_message = as2.Message(self.org, self.partner)
self.out_message.build(self.test_data)
# Parse the generated AS2 message as the partner
raw_out_message = (self.out_message.headers_str + b"\r\n" +
self.out_message.content)
in_message = as2.Message()
_, _, mdn = in_message.parse(
raw_out_message,
find_org_cb=self.find_org,
find_partner_cb=self.find_partner,
find_message_cb=lambda x, y: True,
)
out_mdn = as2.Mdn()
status, detailed_status = out_mdn.parse(
mdn.headers_str + b"\r\n" + mdn.content,
find_message_cb=self.find_message)
self.assertEqual(status, "processed/Warning")
self.assertEqual(detailed_status, "duplicate-document")
def test_failed_decryption(self):
""" Test case where message decryption has failed """
# Build an As2 message to be transmitted to partner
self.partner.encrypt = True
self.partner.encrypt_cert = self.mecas2_public_key
self.partner.validate_certs = False
self.partner.mdn_mode = as2.SYNCHRONOUS_MDN
self.out_message = as2.Message(self.org, self.partner)
self.out_message.build(self.test_data)
# Parse the generated AS2 message as the partner
raw_out_message = \
self.out_message.headers_str + b'\r\n' + self.out_message.content
in_message = as2.Message()
_, exec_info, mdn = in_message.parse(
raw_out_message,
find_org_cb=self.find_org,
find_partner_cb=self.find_partner,
find_message_cb=lambda x, y: False
)
out_mdn = as2.Mdn()
status, detailed_status = out_mdn.parse(
mdn.headers_str + b'\r\n' + mdn.content,
find_message_cb=self.find_message
)
self.assertEqual(status, 'processed/Error')
self.assertEqual(detailed_status, 'decryption-failed')
def test_failed_mdn_parse(self):
"""Test mdn parsing failures are captured."""
# Build an As2 message to be transmitted to partner
self.partner.sign = True
self.partner.encrypt = True
self.partner.mdn_mode = as2.SYNCHRONOUS_MDN
self.partner.mdn_digest_alg = 'sha256'
self.out_message = as2.Message(self.org, self.partner)
self.out_message.build(self.test_data)
# Parse the generated AS2 message as the partner
raw_out_message = \
self.out_message.headers_str + b'\r\n' + self.out_message.content
in_message = as2.Message()
_, _, mdn = in_message.parse(raw_out_message,
find_org_cb=self.find_org,
find_partner_cb=self.find_partner)
out_mdn = as2.Mdn()
self.partner.verify_cert = self.mecas2_public_key
self.partner.validate_certs = False
status, detailed_status = out_mdn.parse(
mdn.headers_str + b'\r\n' + mdn.content,
find_message_cb=self.find_message)
self.assertEqual(status, 'failed/Failure')
self.assertEqual(
detailed_status,
'Failed to parse received MDN. Failed to verify message signature: '
'Message Digest does not match.')
def test_unsigned_mdn_sent_error(self):
"""Test the case where a signed mdn was expected but unsigned mdn was returned."""
self.partner.mdn_mode = as2.SYNCHRONOUS_MDN
self.out_message = as2.Message(self.org, self.partner)
self.out_message.build(self.test_data)
# Parse the generated AS2 message as the partner
raw_out_message = (self.out_message.headers_str + b"\r\n" +
self.out_message.content)
in_message = as2.Message()
_, _, mdn = in_message.parse(
raw_out_message,
find_org_cb=self.find_org,
find_partner_cb=self.find_partner,
find_message_cb=lambda x, y: False,
)
# Set the mdn sig alg and parse it
self.partner.mdn_digest_alg = "sha256"
out_mdn = as2.Mdn()
status, detailed_status = out_mdn.parse(
mdn.headers_str + b"\r\n" + mdn.content,
find_message_cb=self.find_message)
self.assertEqual(status, "failed/Failure")
self.assertEqual(detailed_status,
"Expected signed MDN but unsigned MDN returned")
def test_non_matching_mic(self):
"""Test the case where a the mic in the mdn does not match the mic in the message."""
self.partner.mdn_mode = as2.SYNCHRONOUS_MDN
self.partner.sign = True
self.out_message = as2.Message(self.org, self.partner)
self.out_message.build(self.test_data)
# Parse the generated AS2 message as the partner
raw_out_message = (self.out_message.headers_str + b"\r\n" +
self.out_message.content)
in_message = as2.Message()
_, _, mdn = in_message.parse(
raw_out_message,
find_org_cb=self.find_org,
find_partner_cb=self.find_partner,
find_message_cb=lambda x, y: False,
)
# Set the mdn sig alg and parse it
self.out_message.mic = b"dummy value"
out_mdn = as2.Mdn()
status, detailed_status = out_mdn.parse(
mdn.headers_str + b"\r\n" + mdn.content,
find_message_cb=self.find_message)
self.assertEqual(status, "processed/warning")
self.assertEqual(detailed_status, "Message Integrity check failed.")
def test_failed_decompression(self):
""" Test case where message decompression has failed """
# Build an As2 message to be transmitted to partner
self.partner.compress = True
self.partner.mdn_mode = as2.SYNCHRONOUS_MDN
self.out_message = as2.Message(self.org, self.partner)
self.out_message.build(self.test_data)
# Parse the generated AS2 message as the partner
raw_out_message = (self.out_message.headers_str + b"\r\n" +
base64.b64encode(b"xxxxx"))
in_message = as2.Message()
_, exec_info, mdn = in_message.parse(
raw_out_message,
find_org_cb=self.find_org,
find_partner_cb=self.find_partner,
)
out_mdn = as2.Mdn()
status, detailed_status = out_mdn.parse(
mdn.headers_str + b"\r\n" + mdn.content,
find_message_cb=self.find_message)
self.assertEqual(status, "processed/Error")
self.assertEqual(detailed_status, "decompression-failed")
def test_failed_signature(self):
""" Test case where signature verification has failed """
# Build an As2 message to be transmitted to partner
self.partner.sign = True
self.partner.verify_cert = self.mecas2_public_key
self.partner.validate_certs = False
self.partner.mdn_mode = as2.SYNCHRONOUS_MDN
self.out_message = as2.Message(self.org, self.partner)
self.out_message.build(self.test_data)
# Parse the generated AS2 message as the partner
raw_out_message = (self.out_message.headers_str + b"\r\n" +
self.out_message.content)
in_message = as2.Message()
_, exec_info, mdn = in_message.parse(
raw_out_message,
find_org_cb=self.find_org,
find_partner_cb=self.find_partner,
find_message_cb=lambda x, y: False,
)
out_mdn = as2.Mdn()
status, detailed_status = out_mdn.parse(
mdn.headers_str + b"\r\n" + mdn.content,
find_message_cb=self.find_message)
self.assertEqual(status, "processed/Error")
self.assertEqual(detailed_status, "authentication-failed")
def test_signed_mdn(self):
""" Test signed MDN generation and parsing """
# Build an As2 message to be transmitted to partner
self.partner.sign = True
self.partner.encrypt = True
self.partner.mdn_mode = as2.SYNCHRONOUS_MDN
self.partner.mdn_digest_alg = "sha256"
self.out_message = as2.Message(self.org, self.partner)
self.out_message.build(self.test_data)
# Parse the generated AS2 message as the partner
raw_out_message = (
self.out_message.headers_str + b"\r\n" + self.out_message.content
)
in_message = as2.Message()
_, _, mdn = in_message.parse(
raw_out_message,
find_org_cb=self.find_org,
find_partner_cb=self.find_partner,
)
out_mdn = as2.Mdn()
status, detailed_status = out_mdn.parse(
mdn.headers_str + b"\r\n" + mdn.content, find_message_cb=self.find_message
)
self.assertEqual(status, "processed")
def test_signed_mdn(self):
""" Test Signed MDN received from Mendelson AS2"""
# Parse the generated AS2 message as the partner
received_file = os.path.join(TEST_DIR, "mecas2_signed.mdn")
with open(received_file, "rb") as fp:
in_message = as2.Mdn()
in_message.parse(fp.read(), find_message_cb=self.find_message)
def test_partner_not_found(self):
""" Test case where partner and organization is not found """
# Build an As2 message to be transmitted to partner
self.partner.sign = True
self.partner.encrypt = True
self.partner.mdn_mode = as2.SYNCHRONOUS_MDN
self.out_message = as2.Message(self.org, self.partner)
self.out_message.build(self.test_data)
# Parse the generated AS2 message as the partner
raw_out_message = \
self.out_message.headers_str + b'\r\n' + self.out_message.content
in_message = as2.Message()
_, _, mdn = in_message.parse(
raw_out_message,
find_org_cb=self.find_org,
find_partner_cb=lambda x: None,
find_message_cb=lambda x, y: False
)
out_mdn = as2.Mdn()
status, detailed_status = out_mdn.parse(
mdn.headers_str + b'\r\n' + mdn.content,
find_message_cb=self.find_message
)
self.assertEqual(status, 'processed/Error')
self.assertEqual(detailed_status, 'unknown-trading-partner')
# Parse again but this time make without organization
in_message = as2.Message()
_, _, mdn = in_message.parse(
raw_out_message,
find_org_cb=lambda x: None,
find_partner_cb=self.find_partner,
find_message_cb=lambda x, y: False
)
out_mdn = as2.Mdn()
status, detailed_status = out_mdn.parse(
mdn.headers_str + b'\r\n' + mdn.content,
find_message_cb=self.find_message
)
self.assertEqual(status, 'processed/Error')
self.assertEqual(detailed_status, 'unknown-trading-partner')
def test_process_mdn(self):
""" Test processing mdn received from Sterling Integrator"""
msg = as2.Message(sender=self.org, receiver=self.partner)
msg.message_id = '*****@*****.**'
as2mdn = as2.Mdn()
# Parse the mdn and get the message status
with open(os.path.join(TEST_DIR, 'sb2bi_signed.mdn'), 'rb') as mdn:
status, detailed_status = as2mdn.parse(mdn.read(), lambda x, y: msg)
self.assertEqual(status, 'processed')
def test_unsigned_mdn(self):
""" Test Unsigned MDN received from Mendelson AS2"""
# Parse the generated AS2 message as the partner
received_file = os.path.join(TEST_DIR, "mecas2_unsigned.mdn")
with open(received_file, "rb") as fp:
in_message = as2.Mdn()
status, detailed_status = in_message.parse(
fp.read(), find_message_cb=self.find_message)
self.assertEqual(status, "processed/error")
self.assertEqual(detailed_status, "authentication-failed")
def test_unsigned_incomplete_mdn(self):
""" Test Unsigned MDN received from Mendelson AS2"""
# Parse the generated AS2 message as the partner
received_file = os.path.join(TEST_DIR, 'mecas2_unsigned_incomplete_headers.mdn')
with open(received_file, 'rb') as fp:
in_message = as2.Mdn()
status, detailed_status = in_message.parse(
fp.read(), find_message_cb=self.find_message)
self.assertEqual(status, 'processed/error')
self.assertEqual(detailed_status, 'authentication-failed')
def test_mdn_not_found(self):
"""Test that the MDN parser raises MDN not found when a non MDN message is passed."""
self.partner.encrypt = True
self.partner.validate_certs = False
self.partner.mdn_mode = as2.SYNCHRONOUS_MDN
self.out_message = as2.Message(self.org, self.partner)
self.out_message.build(self.test_data)
# Parse the AS2 message as an MDN
mdn = as2.Mdn()
raw_out_message = (self.out_message.headers_str + b"\r\n" +
self.out_message.content)
status, detailed_status = mdn.parse(raw_out_message,
find_message_cb=self.find_message)
self.assertEqual(status, "failed/Failure")
self.assertEqual(detailed_status, "mdn-not-found")
def test_encrypted_message(self):
""" Send Encrypted Unsigned Uncompressed Message to Mendelson AS2"""
self.partner.encrypt = True
self.out_message = as2.Message(self.org, self.partner)
self.out_message.build(self.test_data)
response = requests.post('http://localhost:8080/pyas2/as2receive',
headers=self.out_message.headers,
data=self.out_message.content)
raw_mdn = ''
for k, v in response.headers.items():
raw_mdn += '{}: {}\n'.format(k, v)
raw_mdn = raw_mdn + '\n' + response.text
out_mdn = as2.Mdn()
status, detailed_status = out_mdn.parse(
raw_mdn, find_message_cb=self.find_message)
self.assertEqual(status, 'processed')
def test_signed_message(self):
""" Send Unencrypted Signed Uncompressed Message to Mendelson AS2"""
self.partner.sign = True
self.out_message = as2.Message(self.org, self.partner)
self.out_message.build(self.test_data)
response = requests.post(
"http://localhost:8080/pyas2/as2receive",
data=self.out_message.content,
headers=self.out_message.headers,
)
raw_mdn = ""
for k, v in response.headers.items():
raw_mdn += "{}: {}\n".format(k, v)
raw_mdn = raw_mdn + "\n" + response.text
out_mdn = as2.Mdn()
status, detailed_status = out_mdn.parse(
raw_mdn, find_message_cb=self.find_message)
self.assertEqual(status, "processed")
def test_mdn_checks(self):
"""Test the checks and other features of MDN."""
mdn = as2.Mdn()
assert mdn.content == ""
assert mdn.headers == {}
assert mdn.headers_str == b""
