1#
2# This file is part of pyasn1-modules software.
3#
4# Created by Russ Housley
5# Copyright (c) 2019, Vigil Security, LLC
6# License: http://snmplabs.com/pyasn1/license.html
7#
8
9import sys
10
11from pyasn1.codec.der.decoder import decode as der_decode
12from pyasn1.codec.der.encoder import encode as der_encode
13
14from pyasn1_modules import pem
15from pyasn1_modules import rfc5280
16from pyasn1_modules import rfc5924
17
18try:
19    import unittest2 as unittest
20except ImportError:
21    import unittest
22
23
24class SIPDomainCertTestCase(unittest.TestCase):
25    cert_pem_text = """\
26MIICiTCCAg+gAwIBAgIJAKWzVCgbsG5EMAoGCCqGSM49BAMDMD8xCzAJBgNVBAYT
27AlVTMQswCQYDVQQIDAJWQTEQMA4GA1UEBwwHSGVybmRvbjERMA8GA1UECgwIQm9n
28dXMgQ0EwHhcNMTkxMDMwMjEwMDM0WhcNMjAxMDI5MjEwMDM0WjBsMQswCQYDVQQG
29EwJVUzELMAkGA1UECBMCVkExEDAOBgNVBAcTB0hlcm5kb24xEDAOBgNVBAoTB0V4
30YW1wbGUxEjAQBgNVBAsTCVNJUCBQcm94eTEYMBYGA1UEAxMPc2lwLmV4YW1wbGUu
31Y29tMHYwEAYHKoZIzj0CAQYFK4EEACIDYgAEcY3ckttSa6z3CfOFwZvPmZY8C9Ml
32D1XOydz00+Vqifh1lydhDuulHrJaQ+QgVjG1TzlTAssD9GeABit/M98DPS/IC3wi
33TsTMSyQ9/Oz4hKAw7x7lYEvufvycsZ7pJGRso4GpMIGmMEIGCWCGSAGG+EIBDQQ1
34FjNUaGlzIGNlcnRpZmljYXRlIGNhbm5vdCBiZSB0cnVzdGVkIGZvciBhbnkgcHVy
35cG9zZS4wHQYDVR0OBBYEFEcJ8iFWmJOl3Hg/44UFgFWNbe7FMB8GA1UdIwQYMBaA
36FPI12zQE2qVV8r1pA5mwYuziFQjBMAsGA1UdDwQEAwIHgDATBgNVHSUEDDAKBggr
37BgEFBQcDFDAKBggqhkjOPQQDAwNoADBlAjAXEPPNyXBUj40dzy+ZOqafuM3/6Fy6
38bkgiIObcQImra96X10fe6qacanrbu4uU6d8CMQCQ+BCjCnOP4dBbNC3vB0WypxLo
39UwZ6TjS0Rfr+dRvlyilVjP+hPVwbyb7ZOSZR6zk=
40"""
41
42    def setUp(self):
43        self.asn1Spec = rfc5280.Certificate()
44
45    def testDerCodec(self):
46        substrate = pem.readBase64fromText(self.cert_pem_text)
47        asn1Object, rest = der_decode(substrate, asn1Spec=self.asn1Spec)
48        assert not rest
49        assert asn1Object.prettyPrint()
50        assert der_encode(asn1Object) == substrate
51
52        found_kp_sipDomain = False
53        for extn in asn1Object['tbsCertificate']['extensions']:
54            if extn['extnID'] == rfc5280.id_ce_extKeyUsage:
55                assert extn['extnID'] in rfc5280.certificateExtensionsMap.keys()
56                ev, rest = der_decode(extn['extnValue'],
57                    asn1Spec=rfc5280.certificateExtensionsMap[extn['extnID']])
58                assert not rest
59                assert ev.prettyPrint()
60                assert der_encode(ev) == extn['extnValue']
61                assert rfc5924.id_kp_sipDomain in ev
62                found_kp_sipDomain = True
63
64        assert found_kp_sipDomain
65
66
67suite = unittest.TestLoader().loadTestsFromModule(sys.modules[__name__])
68
69if __name__ == '__main__':
70    import sys
71
72    result = unittest.TextTestRunner(verbosity=2).run(suite)
73    sys.exit(not result.wasSuccessful())
74