tests/testgpg.py

   1 #!/usr/bin/env python2.3
   2 import sys, tempfile, os, shutil
   3 import unittest
   4
   5 sys.path.insert(0, '..')
   6 from zeroinstall.injector import gpg, model
   7
   8 err_sig = """-----BEGIN PGP MESSAGE-----
   9 Version: GnuPG v1.4.0 (GNU/Linux)
  10
  11 owGbwMvMwCTYk9R5Infvsj7G01xJDE513j1OiSlcHfbMrCDOBJisINP6XQwLGjzn
  12 tMxedXc3y75I7r1hQZFTb/ewMcx3yefZ8zb/vZd10I7LEYdDj4fnKsYAAA==
  13 =kMeU
  14 -----END PGP MESSAGE-----
  15 """
  16
  17 bad_sig = """-----BEGIN PGP SIGNED MESSAGE-----
  18 Hash: SHA1
  19
  20 Hell0
  21 -----BEGIN PGP SIGNATURE-----
  22 Version: GnuPG v1.4.0 (GNU/Linux)
  23
  24 iD8DBQFCfk3grgeCgFmlPMERAhl8AKC0aktrLzz646zTY0TRzdnxPdbLBgCeJWbk
  25 GRVbJusevCKvtoSn7RAW2mg=
  26 =xQJ5
  27 -----END PGP SIGNATURE-----
  28 """
  29
  30 good_sig = """-----BEGIN PGP SIGNED MESSAGE-----
  31 Hash: SHA1
  32
  33 Hello
  34 -----BEGIN PGP SIGNATURE-----
  35 Version: GnuPG v1.4.0 (GNU/Linux)
  36
  37 iD8DBQFCfk3grgeCgFmlPMERAhl8AKC0aktrLzz646zTY0TRzdnxPdbLBgCeJWbk
  38 GRVbJusevCKvtoSn7RAW2mg=
  39 =xQJ5
  40 -----END PGP SIGNATURE-----
  41 """
  42
  43 bad_xml_main = """<?xml version='1.0'?>
  44 <root/>"""
  45
  46 invalid_xmls_sigs = [
  47 ('last line is not end-of-comment',
  48 """<!-- Base64 Signature
  49 """),
  50 ('No signature block in XML',
  51 """<!-- Base64 Sig
  52 iD8DBQBDtpK9rgeCgFmlPMERAg0gAKCaJhXFnk
  53 -->
  54 """),
  55 ('extra data on comment line',
  56 """<!-- Base64 Signature data
  57 iD8DBQBDtpK9rgeCgFmlPMERAg0gAKCaJhXFnk
  58 -->
  59 """),
  60 ('last line is not end-of-comment',
  61 """<!-- Base64 Signature
  62 iD8DBQBDtpK9rgeCgFmlPMERAg0gAKCaJhXFnk
  63 WZRBLT0an56WYaBODukSsf4=
  64 --> More
  65 """),
  66 ('Invalid base 64 encoded signature:',
  67 """<!-- Base64 Signature
  68 iD8DBQBDtpK9rgeCgFmlPMERAg0gAKCaJhXFnk
  69 WZRBLT0an56WYaBODukSsf4=
  70 =zMc+
  71 -->
  72 """),
  73 ('Invalid characters found',
  74 """<!-- Base64 Signature
  75 iD8DBQBDtpK9rge<CgFmlPMERAg0gAKCaJhXFnk
  76 WZRBLT0an56WYaBODukSsf4=
  77 -->
  78 """)]
  79
  80 good_xml_sig = """<?xml version='1.0'?>
  81 <root/>
  82 <!-- Base64 Signature
  83 iD8DBQBDuChIrgeCgFmlPMERAnGEAJ0ZS1PeyWonx6xS/mgpYTKNgSXa5QCeMSYPHhNcvxu3f84y
  84 Uk7hxHFeQPo=
  85 -->
  86 """
  87
  88 bad_xml_sig = """<?xml version='1.0'?>
  89 <ro0t/>
  90 <!-- Base64 Signature
  91 iD8DBQBDuChIrgeCgFmlPMERAnGEAJ0ZS1PeyWonx6xS/mgpYTKNgSXa5QCeMSYPHhNcvxu3f84y
  92 Uk7hxHFeQPo=
  93 -->
  94 """
  95
  96 from data import thomas_key
  97
  98 class TestGPG(unittest.TestCase):
  99         def setUp(self):
 100                 self.gnupg_home = tempfile.mktemp()
 101                 os.environ['GNUPGHOME'] = self.gnupg_home
 102                 os.mkdir(self.gnupg_home, 0700)
 103                 stream = tempfile.TemporaryFile()
 104                 stream.write(thomas_key)
 105                 stream.seek(0)
 106                 gpg.import_key(stream)
 107
 108         def tearDown(self):
 109                 shutil.rmtree(self.gnupg_home)
 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] in ('pub', 'uid') and len(item) > 9:
 182                                 self.assertEquals(
 183                                         "Thomas Leonard <tal197@users.sourceforge.net>",
 184                                         item[9])
 185                                 break
 186                 else:
 187                         self.fail("Missing name")
 188                 return data.read()
 189
 190         def testNoSig(self):
 191                 stream = tempfile.TemporaryFile()
 192                 stream.write("Hello")
 193                 stream.seek(0)
 194                 try:
 195                         gpg.check_stream(stream)
 196                         assert False
 197                 except model.SafeException:
 198                         pass    # OK
 199
 200 suite = unittest.makeSuite(TestGPG)
 201 if __name__ == '__main__':
 202         sys.argv.append('-v')
 203         unittest.main()