tests/testgpg.py

   1 #!/usr/bin/env python2.4
   2 from basetest import BaseTest
   3 import sys, tempfile, os, shutil
   4 import unittest
   5
   6 sys.path.insert(0, '..')
   7 from zeroinstall.injector import gpg, model, trust
   8 from zeroinstall.support import basedir
   9
  10 err_sig = """-----BEGIN PGP MESSAGE-----
  11 Version: GnuPG v1.4.0 (GNU/Linux)
  12
  13 owGbwMvMwCTYk9R5Infvsj7G01xJDE513j1OiSlcHfbMrCDOBJisINP6XQwLGjzn
  14 tMxedXc3y75I7r1hQZFTb/ewMcx3yefZ8zb/vZd10I7LEYdDj4fnKsYAAA==
  15 =kMeU
  16 -----END PGP MESSAGE-----
  17 """
  18
  19 bad_sig = """-----BEGIN PGP SIGNED MESSAGE-----
  20 Hash: SHA1
  21
  22 Hell0
  23 -----BEGIN PGP SIGNATURE-----
  24 Version: GnuPG v1.4.0 (GNU/Linux)
  25
  26 iD8DBQFCfk3grgeCgFmlPMERAhl8AKC0aktrLzz646zTY0TRzdnxPdbLBgCeJWbk
  27 GRVbJusevCKvtoSn7RAW2mg=
  28 =xQJ5
  29 -----END PGP SIGNATURE-----
  30 """
  31
  32 good_sig = """-----BEGIN PGP SIGNED MESSAGE-----
  33 Hash: SHA1
  34
  35 Hello
  36 -----BEGIN PGP SIGNATURE-----
  37 Version: GnuPG v1.4.0 (GNU/Linux)
  38
  39 iD8DBQFCfk3grgeCgFmlPMERAhl8AKC0aktrLzz646zTY0TRzdnxPdbLBgCeJWbk
  40 GRVbJusevCKvtoSn7RAW2mg=
  41 =xQJ5
  42 -----END PGP SIGNATURE-----
  43 """
  44
  45 bad_xml_main = """<?xml version='1.0'?>
  46 <root/>"""
  47
  48 invalid_xmls_sigs = [
  49 ('last line is not end-of-comment',
  50 """<!-- Base64 Signature
  51 """),
  52 ('No signature block in XML',
  53 """<!-- Base64 Sig
  54 iD8DBQBDtpK9rgeCgFmlPMERAg0gAKCaJhXFnk
  55 -->
  56 """),
  57 ('extra data on comment line',
  58 """<!-- Base64 Signature data
  59 iD8DBQBDtpK9rgeCgFmlPMERAg0gAKCaJhXFnk
  60 -->
  61 """),
  62 ('last line is not end-of-comment',
  63 """<!-- Base64 Signature
  64 iD8DBQBDtpK9rgeCgFmlPMERAg0gAKCaJhXFnk
  65 WZRBLT0an56WYaBODukSsf4=
  66 --> More
  67 """),
  68 ('Invalid base 64 encoded signature:',
  69 """<!-- Base64 Signature
  70 iD8DBQBDtpK9rgeCgFmlPMERAg0gAKCaJhXFnk
  71 WZRBLT0an56WYaBODukSsf4=
  72 =zMc+
  73 -->
  74 """),
  75 ('Invalid characters found',
  76 """<!-- Base64 Signature
  77 iD8DBQBDtpK9rge<CgFmlPMERAg0gAKCaJhXFnk
  78 WZRBLT0an56WYaBODukSsf4=
  79 -->
  80 """)]
  81
  82 good_xml_sig = """<?xml version='1.0'?>
  83 <root/>
  84 <!-- Base64 Signature
  85 iD8DBQBDuChIrgeCgFmlPMERAnGEAJ0ZS1PeyWonx6xS/mgpYTKNgSXa5QCeMSYPHhNcvxu3f84y
  86 Uk7hxHFeQPo=
  87 -->
  88 """
  89
  90 bad_xml_sig = """<?xml version='1.0'?>
  91 <ro0t/>
  92 <!-- Base64 Signature
  93 iD8DBQBDuChIrgeCgFmlPMERAnGEAJ0ZS1PeyWonx6xS/mgpYTKNgSXa5QCeMSYPHhNcvxu3f84y
  94 Uk7hxHFeQPo=
  95 -->
  96 """
  97
  98 from data import thomas_key
  99
 100 class TestGPG(BaseTest):
 101         def setUp(self):
 102                 BaseTest.setUp(self)
 103
 104                 stream = tempfile.TemporaryFile()
 105                 stream.write(thomas_key)
 106                 stream.seek(0)
 107                 gpg.import_key(stream)
 108                 trust.trust_db.trust_key(
 109                         '92429807C9853C0744A68B9AAE07828059A53CC1')
 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         def testLoadKeys(self):
 201                 self.assertEquals({}, gpg.load_keys([]))
 202
 203 suite = unittest.makeSuite(TestGPG)
 204 if __name__ == '__main__':
 205         sys.argv.append('-v')
 206         unittest.main()