writing testCred.py
[sfa.git] / tests / testCred.py
1 import unittest
2 from sfa.trust.credential import *
3 from sfa.trust.rights import *
4 from sfa.trust.gid import *
5 from sfa.trust.certificate import *
6
7 class TestCred(unittest.TestCase):
8    def setUp(self):
9       pass
10
11    def testCreate(self):
12       cred = Credential(create=True)
13
14    def testDefaults(self):
15       cred = Credential(subject="testCredential")
16
17       self.assertEqual(cred.get_gid_caller(), None)
18       self.assertEqual(cred.get_gid_object(), None)
19
20    def testLoadSave(self):
21       cred = Credential(subject="testCredential")
22
23       gidCaller = GID(subject="caller", uuid=create_uuid(), hrn="foo.caller")
24       gidObject = GID(subject="object", uuid=create_uuid(), hrn="foo.object")
25       lifeTime = 12345
26       delegate = True
27       rights = "embed:1,bind:1"
28
29       cred.set_gid_caller(gidCaller)
30       self.assertEqual(cred.get_gid_caller().get_subject(), gidCaller.get_subject())
31
32       cred.set_gid_object(gidObject)
33       self.assertEqual(cred.get_gid_object().get_subject(), gidObject.get_subject())
34
35       cred.set_lifetime(lifeTime)
36       
37       cred.set_privileges(rights)
38       self.assertEqual(cred.get_privileges().save_to_string(), rights)
39
40       cred.get_privileges().delegate_all_privileges(delegate)
41
42       cred.encode()
43
44       cred_str = cred.save_to_string()
45
46       # re-load the credential from a string and make sure its fields are
47       # intact
48       cred2 = Credential(string = cred_str)
49       self.assertEqual(cred2.get_gid_caller().get_subject(), gidCaller.get_subject())
50       self.assertEqual(cred2.get_gid_object().get_subject(), gidObject.get_subject())
51       self.assertEqual(cred2.get_privileges().get_all_delegate(), delegate)
52       self.assertEqual(cred2.get_privileges().save_to_string(), rights)
53
54
55    def createSignedGID(self, subject, urn, issuer_pkey = None, issuer_gid = None):
56       gid = GID(subject=subject, uuid=1, urn=urn)
57       keys = Keypair(create=True)
58       gid.set_pubkey(keys)
59       if issuer_pkey:
60          gid.set_issuer(issuer_pkey, str(issuer_gid.get_issuer()))
61       else:
62          gid.set_issuer(keys, subject)
63
64       gid.encode()
65       gid.sign()
66       return gid, keys
67    
68    def testDelegation(self):
69       gidAuthority, keys = self.createSignedGID("site", "urn:publicid:IDN+plc+authority+site")
70       gidCaller, ckeys = self.createSignedGID("foo", "urn:publicid:IDN+plc:site+user+foo",
71                                           keys, gidAuthority)
72       gidObject, _ = self.createSignedGID("bar_slice", "urn:publicid:IDN+plc:site+slice+bar_slice",
73                                           keys, gidAuthority)
74       gidDelegatee, _ = self.createSignedGID("delegatee", "urn:publicid:IDN+plc:site+user+delegatee",
75                                              keys, gidAuthority)
76       
77       cred = Credential()
78       cred.set_gid_caller(gidCaller)
79       cred.set_gid_object(gidObject)
80       cred.set_lifetime(3600)
81       cred.set_privileges("embed:1, bind:1")
82       cred.encode()
83
84       gidAuthority.save_to_file("/tmp/auth_gid")
85       keys.save_to_file("/tmp/auth_key")
86       cred.set_issuer_keys("/tmp/auth_key", "/tmp/auth_gid")
87       cred.sign()
88
89       cred.verify(['/tmp/auth_gid'])
90
91       # Test copying
92       cred2 = Credential(string=cred.save_to_string())
93       cred2.verify(['/tmp/auth_gid'])
94
95       # Test delegation
96       delegated = Credential()
97       delegated.set_gid_caller(gidDelegatee)
98       delegated.set_gid_object(gidObject)      
99       delegated.set_parent(cred)
100       delegated.set_lifetime(600)
101       delegated.set_privileges("embed:1, bind:1")
102       gidCaller.save_to_file("/tmp/caller_gid")
103       ckeys.save_to_file("/tmp/caller_pkey")      
104       
105       delegated.set_issuer_keys("/tmp/caller_pkey", "/tmp/caller_gid")
106
107       delegated.encode()
108       delegated.sign()
109       
110       # This should verify
111       delegated.verify(['/tmp/auth_gid'])
112       delegated.save_to_file("/tmp/dcred")
113
114
115       # Test that verify catches an incorrect lifetime      
116       delegated.set_lifetime(6000)
117
118       WHY IS THIS CRASHING??  
119       delegated.encode()
120       delegated.sign()
121       delegated.verify(['/tmp/auth_gid'])
122       
123
124 if __name__ == "__main__":
125     unittest.main()