tests/testgpg.py

   1 #!/usr/bin/env python
   2 from basetest import BaseTest
   3 import sys, tempfile
   4 import unittest
   5
   6 sys.path.insert(0, '..')
   7 from zeroinstall.injector import gpg, model, trust
   8
   9 err_sig = """-----BEGIN PGP MESSAGE-----
  10 Version: GnuPG v1.4.0 (GNU/Linux)
  11
  12 owGbwMvMwCTYk9R5Infvsj7G01xJDE513j1OiSlcHfbMrCDOBJisINP6XQwLGjzn
  13 tMxedXc3y75I7r1hQZFTb/ewMcx3yefZ8zb/vZd10I7LEYdDj4fnKsYAAA==
  14 =kMeU
  15 -----END PGP MESSAGE-----
  16 """
  17
  18 bad_sig = """-----BEGIN PGP SIGNED MESSAGE-----
  19 Hash: SHA1
  20
  21 Hell0
  22 -----BEGIN PGP SIGNATURE-----
  23 Version: GnuPG v1.4.0 (GNU/Linux)
  24
  25 iD8DBQFCfk3grgeCgFmlPMERAhl8AKC0aktrLzz646zTY0TRzdnxPdbLBgCeJWbk
  26 GRVbJusevCKvtoSn7RAW2mg=
  27 =xQJ5
  28 -----END PGP SIGNATURE-----
  29 """
  30
  31 good_sig = """-----BEGIN PGP SIGNED MESSAGE-----
  32 Hash: SHA1
  33
  34 Hello
  35 -----BEGIN PGP SIGNATURE-----
  36 Version: GnuPG v1.4.0 (GNU/Linux)
  37
  38 iD8DBQFCfk3grgeCgFmlPMERAhl8AKC0aktrLzz646zTY0TRzdnxPdbLBgCeJWbk
  39 GRVbJusevCKvtoSn7RAW2mg=
  40 =xQJ5
  41 -----END PGP SIGNATURE-----
  42 """
  43
  44 bad_xml_main = """<?xml version='1.0'?>
  45 <root/>"""
  46
  47 invalid_xmls_sigs = [
  48 ('last line is not end-of-comment',
  49 """<!-- Base64 Signature
  50 """),
  51 ('No signature block in XML',
  52 """<!-- Base64 Sig
  53 iD8DBQBDtpK9rgeCgFmlPMERAg0gAKCaJhXFnk
  54 -->
  55 """),
  56 ('extra data on comment line',
  57 """<!-- Base64 Signature data
  58 iD8DBQBDtpK9rgeCgFmlPMERAg0gAKCaJhXFnk
  59 -->
  60 """),
  61 ('last line is not end-of-comment',
  62 """<!-- Base64 Signature
  63 iD8DBQBDtpK9rgeCgFmlPMERAg0gAKCaJhXFnk
  64 WZRBLT0an56WYaBODukSsf4=
  65 --> More
  66 """),
  67 ('Invalid base 64 encoded signature:',
  68 """<!-- Base64 Signature
  69 iD8DBQBDtpK9rgeCgFmlPMERAg0gAKCaJhXFnk
  70 WZRBLT0an56WYaBODukSsf4=
  71 =zMc+
  72 -->
  73 """),
  74 ('Invalid characters found',
  75 """<!-- Base64 Signature
  76 iD8DBQBDtpK9rge<CgFmlPMERAg0gAKCaJhXFnk
  77 WZRBLT0an56WYaBODukSsf4=
  78 -->
  79 """)]
  80
  81 good_xml_sig = """<?xml version='1.0'?>
  82 <root/>
  83 <!-- Base64 Signature
  84 iD8DBQBDuChIrgeCgFmlPMERAnGEAJ0ZS1PeyWonx6xS/mgpYTKNgSXa5QCeMSYPHhNcvxu3f84y
  85 Uk7hxHFeQPo=
  86 -->
  87 """
  88
  89 bad_xml_sig = """<?xml version='1.0'?>
  90 <ro0t/>
  91 <!-- Base64 Signature
  92 iD8DBQBDuChIrgeCgFmlPMERAnGEAJ0ZS1PeyWonx6xS/mgpYTKNgSXa5QCeMSYPHhNcvxu3f84y
  93 Uk7hxHFeQPo=
  94 -->
  95 """
  96
  97 from data import thomas_key
  98
  99 THOMAS_FINGERPRINT = '92429807C9853C0744A68B9AAE07828059A53CC1'
 100
 101 class TestGPG(BaseTest):
 102         def setUp(self):
 103                 BaseTest.setUp(self)
 104
 105                 stream = tempfile.TemporaryFile()
 106                 stream.write(thomas_key)
 107                 stream.seek(0)
 108                 gpg.import_key(stream)
 109                 trust.trust_db.trust_key(THOMAS_FINGERPRINT)
 110
 111         def testImportBad(self):
 112                 stream = tempfile.TemporaryFile()
 113                 stream.write("Bad key")
 114                 stream.seek(0)
 115                 try:
 116                         gpg.import_key(stream)
 117                         assert False
 118                 except model.SafeException:
 119                         pass    # OK
 120
 121         def testErrSig(self):
 122                 stream = tempfile.TemporaryFile()
 123                 stream.write(err_sig)
 124                 stream.seek(0)
 125                 data, sigs = gpg.check_stream(stream)
 126                 self.assertEquals("Bad\n", data.read())
 127                 assert len(sigs) == 1
 128                 assert isinstance(sigs[0], gpg.ErrSig)
 129                 assert sigs[0].need_key() == "8C6289C86DBDA68E"
 130                 self.assertEquals("17", sigs[0].status[gpg.ErrSig.ALG])
 131                 assert sigs[0].is_trusted() is False
 132                 assert str(sigs[0]).startswith('ERROR')
 133
 134         def testBadSig(self):
 135                 self.assertEquals("Hell0\n", self.check_bad(bad_sig))
 136
 137         def testBadXMLSig(self):
 138                 self.assertEquals(bad_xml_sig, self.check_bad(bad_xml_sig))
 139
 140         def testInvalidXMLSig(self):
 141                 for error, sig in invalid_xmls_sigs:
 142                         try:
 143                                 self.check_bad(bad_xml_main + '\n' + sig)
 144                         except model.SafeException, ex:
 145                                 if error not in str(ex):
 146                                         raise model.SafeException(str(ex) + '\nSig:\n' + sig)
 147
 148         def check_bad(self, sig):
 149                 stream = tempfile.TemporaryFile()
 150                 stream.write(sig)
 151                 stream.seek(0)
 152                 data, sigs = gpg.check_stream(stream)
 153                 assert len(sigs) == 1
 154                 assert isinstance(sigs[0], gpg.BadSig)
 155                 self.assertEquals("AE07828059A53CC1",
 156                                   sigs[0].status[gpg.BadSig.KEYID])
 157                 assert sigs[0].is_trusted() is False
 158                 assert sigs[0].need_key() is None
 159                 assert str(sigs[0]).startswith('BAD')
 160                 return data.read()
 161
 162         def testGoodSig(self):
 163                 self.assertEquals("Hello\n", self.check_good(good_sig))
 164
 165         def testGoodXMLSig(self):
 166                 self.assertEquals(good_xml_sig, self.check_good(good_xml_sig))
 167
 168         def check_good(self, sig):
 169                 stream = tempfile.TemporaryFile()
 170                 stream.write(sig)
 171                 stream.seek(0)
 172                 data, sigs = gpg.check_stream(stream)
 173                 assert len(sigs) == 1
 174                 assert isinstance(sigs[0], gpg.ValidSig)
 175                 self.assertEquals("92429807C9853C0744A68B9AAE07828059A53CC1",
 176                                   sigs[0].fingerprint)
 177                 assert sigs[0].is_trusted() is True
 178                 assert sigs[0].need_key() is None
 179                 assert str(sigs[0]).startswith('Valid')
 180                 for item in sigs[0].get_details():
 181                         if item[0] == 'uid' and len(item) > 9:
 182                                 assert item[9] in ["Thomas Leonard <tal197@users.sourceforge.net>"], str(item)
 183                                 break
 184                 else:
 185                         self.fail("Missing name")
 186                 return data.read()
 187
 188         def testNoSig(self):
 189                 stream = tempfile.TemporaryFile()
 190                 stream.write("Hello")
 191                 stream.seek(0)
 192                 try:
 193                         gpg.check_stream(stream)
 194                         assert False
 195                 except model.SafeException:
 196                         pass    # OK
 197
 198         def testLoadKeys(self):
 199
 200                 self.assertEquals({}, gpg.load_keys([]))
 201                 keys = gpg.load_keys([THOMAS_FINGERPRINT])
 202                 self.assertEquals(1, len(keys))
 203                 key = keys[THOMAS_FINGERPRINT]
 204                 self.assertEquals(THOMAS_FINGERPRINT, key.fingerprint)
 205                 self.assertEquals('Thomas Leonard <tal197@users.sourceforge.net>',
 206                                 key.name)
 207
 208 suite = unittest.makeSuite(TestGPG)
 209 if __name__ == '__main__':
 210         sys.argv.append('-v')
 211         unittest.main()