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test_certificates.py
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test_certificates.py
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import io
import zipfile
from uuid import UUID
import arrow
from django.utils import timezone
from rest_framework import status
from api.tests.base import APILoginTestCase
from certificate_engine.ssl.info import get_certificate_info
from certificate_engine.types import CertificateTypes
from x509_pki.models import Certificate
from x509_pki.tests.factories import CertificateFactory, DistinguishedNameFactory
class ServerCertificateTest(APILoginTestCase):
base_url = "/api/v1/certificates"
@classmethod
def setUpTestData(cls):
cls.maxDiff = None
super().setUpTestData()
cls.root_dn = DistinguishedNameFactory(
countryName="NL",
stateOrProvinceName="Noord-Holland",
localityName="Amsterdam",
organizationName="Repleo",
organizationalUnitName="IT Department",
emailAddress="info@repleo.nl",
commonName="ca.bounca.org",
subjectAltNames=["demo.bounca.org"],
)
cls.user = cls.auth_app.user
cls.ca = CertificateFactory(
expires_at=arrow.get(timezone.now()).shift(years=+10).date(),
name="repleo root ca",
type=CertificateTypes.ROOT,
owner=cls.user,
passphrase_out="welkom123",
passphrase_out_confirmation="welkom123",
dn=cls.root_dn,
crl_distribution_url="https://example.com/root_ca.crl",
ocsp_distribution_host="https://example.com/ocsp/",
)
cls.ca.save()
cls.ca.refresh_from_db()
cls.ca = Certificate.objects.get(pk=cls.ca.pk)
subject = DistinguishedNameFactory(
countryName=cls.ca.dn.countryName,
stateOrProvinceName=cls.ca.dn.stateOrProvinceName,
organizationName=cls.ca.dn.organizationName,
)
cls.int_certificate = CertificateFactory(
expires_at=arrow.get(timezone.now()).shift(years=+5).date(),
name="test client intermediate certificate",
type=CertificateTypes.INTERMEDIATE,
parent=cls.ca,
dn=subject,
passphrase_out="welkom1234",
passphrase_out_confirmation="welkom1234",
passphrase_issuer="welkom123",
crl_distribution_url="https://example.com/crl/cert1.crl",
ocsp_distribution_host="https://example.com/ocsp/",
)
cls.int_certificate.save()
subject2 = DistinguishedNameFactory(
countryName=cls.ca.dn.countryName,
stateOrProvinceName=cls.ca.dn.stateOrProvinceName,
organizationName=cls.ca.dn.organizationName,
)
cls.int_certificate2 = CertificateFactory(
expires_at=arrow.get(timezone.now()).shift(years=+5).date(),
name="test client intermediate certificate2",
type=CertificateTypes.INTERMEDIATE,
parent=cls.ca,
dn=subject2,
passphrase_out="welkom1235",
passphrase_out_confirmation="welkom1235",
passphrase_issuer="welkom123",
crl_distribution_url="https://example.com/crl/cert2.crl",
ocsp_distribution_host="https://example.com/ocsp/",
)
cls.int_certificate2.save()
cls.dn = []
cls.cert = []
for i in range(4):
cls.dn.insert(
i,
DistinguishedNameFactory(
countryName="NL",
stateOrProvinceName="Noord-Holland",
localityName="Amsterdam",
organizationName="Repleo",
organizationalUnitName="IT Department",
emailAddress="info@repleo.nl",
commonName="www.repleo.nl.setup",
subjectAltNames=["repleo.nl"],
),
)
cert = Certificate(parent=cls.int_certificate, dn=cls.dn[i], passphrase_issuer="welkom1234")
cert.type = CertificateTypes.SERVER_CERT
cert.name = f"www.repleo.nl - {i}"
cert.dn = cls.dn[i]
cert.expires_at = arrow.get(timezone.now()).shift(years=+1).date()
cert.revoked_at = None
cert.owner = cls.user
cert.save()
cert.refresh_from_db()
cls.cert.insert(i, cert)
def test_retrieve_certificates(self):
test_uri = f"{self.base_url}"
response = self.client.get(test_uri, format="json")
self.assertEqual(response.status_code, status.HTTP_200_OK)
result = response.json()
self.assertEqual(result["count"], 7)
for i in range(4):
# support for leap year
if result["results"][3 - i]["days_valid"] == 366:
result["results"][3 - i]["days_valid"] = 365
self.assertDictEqual(
result["results"][3 - i],
{
"created_at": self.cert[i].created_at.strftime("%Y-%m-%d"),
"crl_distribution_url": None,
"days_valid": 365,
"dn": {
"commonName": "www.repleo.nl.setup",
"countryName": "NL",
"emailAddress": "info@repleo.nl",
"localityName": "Amsterdam",
"organizationName": "Repleo",
"organizationalUnitName": "IT Department",
"stateOrProvinceName": "Noord-Holland",
"subjectAltNames": ["repleo.nl"],
},
"expired": False,
"expires_at": self.cert[i].expires_at.strftime("%Y-%m-%d"),
"id": self.cert[i].id,
"keystore": {"fingerprint": self.cert[i].keystore.fingerprint},
"name": f"www.repleo.nl - {i}",
"ocsp_distribution_host": None,
"parent": 2,
"passphrase_issuer": "",
"passphrase_out": "",
"passphrase_out_confirmation": "",
"revoked": False,
"revoked_at": None,
"serial": str(self.cert[i].serial),
"type": "S",
},
)
def test_retrieve_server_certificates(self):
test_uri = f"{self.base_url}?type=S"
response = self.client.get(test_uri, format="json")
self.assertEqual(response.status_code, status.HTTP_200_OK)
result = response.json()
self.assertEqual(result["count"], 4)
for i in range(4):
self.assertEqual(result["results"][3 - i]["name"], f"www.repleo.nl - {i}")
def test_retrieve_single_server_certificates(self):
test_uri = f"{self.base_url}/{self.cert[0].id}"
response = self.client.get(test_uri, format="json")
self.assertEqual(response.status_code, status.HTTP_200_OK)
result = response.json()
self.assertEqual(result["name"], "www.repleo.nl - 0")
def test_create_server_certificates_no_passphrase(self):
test_uri = f"{self.base_url}"
expire_date = arrow.get(timezone.now()).shift(years=+1).date()
cert = {
"crl_distribution_url": None,
"days_valid": 365,
"dn": {
"commonName": "www.repleo.nl.test post",
"countryName": "NL",
"emailAddress": "info@repleo.nl",
"localityName": "Amsterdam",
"organizationName": "Repleo",
"organizationalUnitName": "IT Department",
"stateOrProvinceName": "Noord-Holland",
"subjectAltNames": ["repleo.nl"],
},
"expired": False,
"expires_at": expire_date,
"name": "www.repleo.nl - test post",
"parent": self.int_certificate.id,
"passphrase_issuer": "",
"type": "S",
}
response = self.client.post(test_uri, data=cert, format="json")
self.assertEqual(response.status_code, status.HTTP_400_BAD_REQUEST)
self.assertDictEqual(
response.json(), {"passphrase_issuer": ["Passphrase incorrect. Not allowed to revoke your " "certificate"]}
)
cert.pop("passphrase_issuer")
response = self.client.post(test_uri, data=cert, format="json")
self.assertEqual(response.status_code, status.HTTP_400_BAD_REQUEST)
self.assertDictEqual(
response.json(), {"non_field_errors": ["Passphrase incorrect. Not allowed to revoke your " "certificate"]}
)
def test_create_server_certificate(self):
test_uri = f"{self.base_url}"
expire_date = arrow.get(timezone.now()).shift(years=+1).date()
cert = {
"crl_distribution_url": None,
"days_valid": 365,
"dn": {
"commonName": "www.repleo.nl.test post",
"countryName": "NL",
"emailAddress": "info@repleo.nl",
"localityName": "Amsterdam",
"organizationName": "Repleo",
"organizationalUnitName": "IT Department",
"stateOrProvinceName": "Noord-Holland",
"subjectAltNames": ["repleo.nl"],
},
"expired": False,
"expires_at": expire_date,
"name": "www.repleo.nl - test post",
"parent": self.int_certificate.id,
"passphrase_issuer": "welkom1234",
"passphrase_out": None,
"passphrase_out_confirmation": None,
"type": "S",
}
response = self.client.post(test_uri, data=cert, format="json")
self.assertEqual(response.status_code, status.HTTP_201_CREATED)
result = response.json()
self.assertIsNotNone(result.pop("created_at"))
self.assertIsNotNone(result.pop("id"))
self.assertIsNotNone(result.pop("keystore"))
self.assertIsNotNone(result.pop("serial"))
# support for leap year
if result["days_valid"] == 366:
result["days_valid"] = 365
self.assertDictEqual(
result,
{
"crl_distribution_url": None,
"days_valid": 365,
"dn": {
"commonName": "www.repleo.nl.test post",
"countryName": "NL",
"emailAddress": "info@repleo.nl",
"localityName": "Amsterdam",
"organizationName": "Repleo",
"organizationalUnitName": "IT Department",
"stateOrProvinceName": "Noord-Holland",
"subjectAltNames": ["repleo.nl"],
},
"expired": False,
"expires_at": expire_date.strftime("%Y-%m-%d"),
"name": "www.repleo.nl - test post",
"ocsp_distribution_host": None,
"parent": self.int_certificate.id,
"passphrase_issuer": None,
"passphrase_out": None,
"passphrase_out_confirmation": None,
"revoked": False,
"revoked_at": None,
"type": "S",
},
)
def test_revoke_server_certificates_no_passphrase(self):
dn = DistinguishedNameFactory(
countryName="NL",
stateOrProvinceName="Noord-Holland",
localityName="Amsterdam",
organizationName="Repleo",
organizationalUnitName="IT Department",
emailAddress="info@repleo.nl",
commonName="www.repleo.nl - revoke",
subjectAltNames=["repleo.nl"],
)
cert = Certificate(parent=self.int_certificate, dn=dn, passphrase_issuer="welkom1234")
cert.type = CertificateTypes.SERVER_CERT
cert.name = "www.repleo.nl - revoke"
cert.expires_at = arrow.get(timezone.now()).shift(years=+1).date()
cert.dn = dn
cert.revoked_at = None
cert.owner = self.user
cert.save()
cert.refresh_from_db()
test_uri = f"{self.base_url}/{cert.id}"
data = {}
response = self.client.delete(test_uri, data=data, format="json")
self.assertDictEqual(response.json(), {"passphrase_issuer": ["This field is required."]})
data = {
"passphrase_issuer": None,
}
response = self.client.delete(test_uri, data=data, format="json")
self.assertDictEqual(response.json(), {"passphrase_issuer": ["This field may not be null."]})
data = {
"passphrase_issuer": "",
}
response = self.client.delete(test_uri, data=data, format="json")
self.assertDictEqual(response.json(), {"passphrase_issuer": ["This field may not be blank."]})
data = {
"passphrase_issuer": "wrong",
}
response = self.client.delete(test_uri, data=data, format="json")
self.assertDictEqual(
response.json(), {"passphrase_issuer": ["Passphrase incorrect. Not allowed to revoke your " "certificate"]}
)
def test_revoke_server_certificate(self):
dn = DistinguishedNameFactory(
countryName="NL",
stateOrProvinceName="Noord-Holland",
localityName="Amsterdam",
organizationName="Repleo",
organizationalUnitName="IT Department",
emailAddress="info@repleo.nl",
commonName="www.repleo.nl - revoke",
subjectAltNames=["repleo.nl"],
)
cert = Certificate(parent=self.int_certificate, dn=dn, passphrase_issuer="welkom1234")
cert.type = CertificateTypes.SERVER_CERT
cert.name = "www.repleo.nl - revoke"
cert.expires_at = arrow.get(timezone.now()).shift(years=+1).date()
cert.dn = dn
cert.revoked_at = None
cert.owner = self.user
cert.save()
cert.refresh_from_db()
test_uri = f"{self.base_url}/{cert.id}"
data = {
"passphrase_issuer": "welkom1234",
}
response = self.client.delete(test_uri, data=data, format="json")
self.assertEqual(response.status_code, status.HTTP_204_NO_CONTENT)
cert.refresh_from_db()
self.assertIsNotNone(cert.revoked_at)
self.assertIsNotNone(cert.slug_revoked_at)
self.assertNotEqual(cert.revoked_uuid, UUID(int=0))
def test_info_server_certificate(self):
test_uri = f"{self.base_url}/{self.cert[0].id}/info"
response = self.client.get(test_uri, format="json")
self.assertEqual(response.status_code, status.HTTP_200_OK)
result = response.json()
self.assertTrue("CN=www.repleo.nl.setup" in result["text"].replace(" ", ""))
self.assertTrue("TLS Web Server Authentication" in result["text"])
def test_download_server_certificate(self):
test_uri = f"{self.base_url}/{self.cert[0].id}/download"
response = self.client.get(test_uri, format="json")
self.assertEqual(response.status_code, status.HTTP_200_OK)
with zipfile.ZipFile(io.BytesIO(response.content)) as cert_zipfile:
self.assertListEqual(
[info.filename for info in cert_zipfile.infolist()],
[
"rootca.pem",
"intermediate.pem",
"intermediate_root-chain.pem",
"www.repleo.nl_-_0.pem",
"www.repleo.nl_-_0-chain.pem",
"www.repleo.nl_-_0.key",
"www.repleo.nl_-_0.p12",
],
)
cert_pem = cert_zipfile.read("www.repleo.nl_-_0.pem").decode("utf-8")
info_txt = get_certificate_info(cert_pem)
self.assertTrue("CN=www.repleo.nl.setup" in info_txt.replace(" ", ""))
self.assertTrue("TLS Web Server Authentication" in info_txt)
def test_renew_server_certificate(self):
dn = DistinguishedNameFactory(
countryName="NL",
stateOrProvinceName="Noord-Holland",
localityName="Amsterdam",
organizationName="Repleo",
organizationalUnitName="IT Department",
emailAddress="info@repleo.nl",
commonName="www.repleo.nl-revoke",
subjectAltNames=["repleo.nl"],
)
cert = Certificate(parent=self.int_certificate, dn=dn, passphrase_issuer="welkom1234")
cert.type = CertificateTypes.SERVER_CERT
cert.name = "www.repleo.nl - revoke"
cert.expires_at = arrow.get(timezone.now()).shift(years=+1).date()
cert.dn = dn
cert.revoked_at = None
cert.owner = self.user
cert.save()
cert.refresh_from_db()
renew_expire_date = arrow.get(timezone.now()).shift(years=+2).date()
test_uri = f"{self.base_url}/{cert.id}/renew"
data = {
"expires_at": renew_expire_date,
"passphrase_issuer": "welkom1234",
"passphrase_out": None,
"passphrase_out_confirmation": None,
}
response = self.client.patch(test_uri, data=data, format="json")
self.assertEqual(response.status_code, status.HTTP_200_OK)
cert.refresh_from_db()
self.assertIsNotNone(cert.revoked_at)
self.assertIsNotNone(cert.slug_revoked_at)
self.assertNotEqual(cert.revoked_uuid, UUID(int=0))
result = response.json()
self.assertIsNotNone(result.pop("created_at"))
renewed_cert_id = result.pop("id")
self.assertNotEqual(renewed_cert_id, cert.id)
self.assertIsNotNone(result.pop("keystore"))
self.assertIsNotNone(result.pop("serial"))
self.assertDictEqual(
result,
{
"crl_distribution_url": None,
"days_valid": 731,
"dn": {
"commonName": "www.repleo.nl-revoke",
"countryName": "NL",
"emailAddress": "info@repleo.nl",
"localityName": "Amsterdam",
"organizationName": "Repleo",
"organizationalUnitName": "IT Department",
"stateOrProvinceName": "Noord-Holland",
"subjectAltNames": ["repleo.nl"],
},
"expired": False,
"expires_at": renew_expire_date.strftime("%Y-%m-%d"),
"name": "www.repleo.nl - revoke",
"ocsp_distribution_host": None,
"parent": self.int_certificate.id,
"passphrase_issuer": None,
"passphrase_out": None,
"passphrase_out_confirmation": None,
"revoked": False,
"revoked_at": None,
"type": "S",
},
)
test_uri = f"{self.base_url}/{renewed_cert_id}/download"
response = self.client.get(test_uri, format="json")
self.assertEqual(response.status_code, status.HTTP_200_OK)
with zipfile.ZipFile(io.BytesIO(response.content)) as cert_zipfile:
cert_pem = cert_zipfile.read("www.repleo.nl_-_revoke.pem").decode("utf-8")
info_txt = get_certificate_info(cert_pem)
self.assertTrue("CN=www.repleo.nl-revoke" in info_txt.replace(" ", ""))
self.assertTrue("TLS Web Server Authentication" in info_txt)
def test_renew_revoked_server_certificate(self):
dn = DistinguishedNameFactory(
countryName="NL",
stateOrProvinceName="Noord-Holland",
localityName="Amsterdam",
organizationName="Repleo",
organizationalUnitName="IT Department",
emailAddress="info@repleo.nl",
commonName="www.repleo.nl - revoke",
subjectAltNames=["repleo.nl"],
)
cert = Certificate(parent=self.int_certificate, dn=dn, passphrase_issuer="welkom1234")
cert.type = CertificateTypes.SERVER_CERT
cert.name = "www.repleo.nl - revoke"
cert.expires_at = arrow.get(timezone.now()).shift(years=+1).date()
cert.dn = dn
cert.revoked_at = None
cert.owner = self.user
cert.save()
cert.refresh_from_db()
cert.delete()
cert.refresh_from_db()
renew_expire_date = arrow.get(timezone.now()).shift(years=+2).date()
test_uri = f"{self.base_url}/{cert.id}/renew"
data = {
"expires_at": renew_expire_date,
"passphrase_issuer": "welkom1234",
"passphrase_out": None,
"passphrase_out_confirmation": None,
}
response = self.client.patch(test_uri, data=data, format="json")
self.assertEqual(response.status_code, status.HTTP_400_BAD_REQUEST)
self.assertEqual(response.json(), ["Cannot renew a revoked certificate"])