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test_gnupg.py
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test_gnupg.py
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# -*- coding: utf-8 -*-
"""
A test harness for gnupg.py.
Copyright (C) 2008-2022 Vinay Sajip. All rights reserved.
"""
import argparse
import json
import logging
import os.path
import os
import re
import shutil
import stat
import sys
import tempfile
import unittest
try:
from unittest import skipIf
except ImportError:
# For now, for Python < 2.7
def skipIf(condition, message):
if not condition:
return lambda x: x
else:
return lambda x: None
import gnupg
__author__ = 'Vinay Sajip'
__date__ = '$23-Aug-2022 16:37:02$'
ALL_TESTS = True
gnupg.log_everything = True
logger = logging.getLogger(__name__)
GPGBINARY = os.environ.get('GPGBINARY', 'gpg')
KEYS_TO_IMPORT = """-----BEGIN PGP PUBLIC KEY BLOCK-----
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=sqld
-----END PGP PUBLIC KEY BLOCK-----"""
SIGNED_KEYS = """-----BEGIN PGP PUBLIC KEY BLOCK-----
Version: GnuPG v2
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-----END PGP PUBLIC KEY BLOCK-----
-----BEGIN PGP PUBLIC KEY BLOCK-----
Version: GnuPG v2
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"""
SECRET_KEY = """
-----BEGIN PGP PRIVATE KEY BLOCK-----
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eNwy0wpN3xuEeYvP4ZIe7hj74WWIuKq2+lesPm4eWRPoaQ5MZXmEwbjr29e++V7D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=2A5s
-----END PGP PRIVATE KEY BLOCK-----
"""
def is_list_with_len(o, n):
return isinstance(o, list) and len(o) == n
BASE64_PATTERN = re.compile(r'^(?:[A-Z0-9+/]{4})*(?:[A-Z0-9+/]{2}==|[A-Z0-9+/]{3}=)?$', re.I)
def get_key_data(s):
lines = s.split('\n')
result = ''
for line in lines:
m = BASE64_PATTERN.match(line)
if m:
result += line
return result
def compare_keys(k1, k2):
"Compare ASCII keys"
# See issue #57: we need to compare only the actual key data,
# ignoring things like spurious blank lines
return get_key_data(k1) != get_key_data(k2)
AGENT_CONFIG = '''allow-loopback-pinentry
log-file socket:///tmp/S.my-gnupg-log
verbose
debug ipc
'''
ENABLE_TOFU = 'ENABLE_TOFU' in os.environ
if ENABLE_TOFU:
GPG_CONFIG = 'trust-model tofu+pgp\ntofu-default-policy unknown\n'
def prepare_homedir(hd):
if not os.path.isdir(hd):
os.makedirs(hd)
os.chmod(hd, 0x1C0)
fn = os.path.join(hd, 'gpg-agent.conf')
with open(fn, 'w') as f:
f.write(AGENT_CONFIG)
if ENABLE_TOFU:
fn = os.path.join(hd, 'gpg.conf')
with open(fn, 'w') as f:
f.write(GPG_CONFIG)
class GPGTestCase(unittest.TestCase):
def setUp(self):
ident = self.id().rsplit('.', 1)[-1]
logger.debug('-- %s starting ---------------------------' % ident)
if 'STATIC_TEST_HOMEDIR' not in os.environ:
hd = tempfile.mkdtemp(prefix='keys-')
else:
hd = os.path.join(os.getcwd(), 'keys')
if os.path.exists(hd):
self.assertTrue(os.path.isdir(hd), 'Not a directory: %s' % hd)
shutil.rmtree(hd, ignore_errors=True)
prepare_homedir(hd)
self.homedir = hd
self.gpg = gpg = gnupg.GPG(gnupghome=hd, gpgbinary=GPGBINARY)
v = gpg.version
if v:
if v >= (2, ): # pragma: no cover
gpg.options = ['--debug-quick-random']
else:
gpg.options = ['--quick-random']
self.test_fn = test_fn = 'random_binary_data'
if not os.path.exists(test_fn): # pragma: no cover
data_file = open(test_fn, 'wb')
data_file.write(os.urandom(5120 * 1024))
data_file.close()
def tearDown(self):
if 'STATIC_TEST_HOMEDIR' not in os.environ:
shutil.rmtree(self.homedir, ignore_errors=True)
ident = self.id().rsplit('.', 1)[-1]
logger.debug('-- %s finished ---------------------------' % ident)
def test_environment(self):
"Test the environment by ensuring that setup worked"
hd = self.homedir
self.assertTrue(os.path.exists(hd) and os.path.isdir(hd), 'Not an existing directory: %s' % hd)
def test_list_keys_initial(self):
"Test that initially there are no keys"
public_keys = self.gpg.list_keys()
self.assertEqual(0, public_keys.returncode, 'Non-zero return code')
self.assertTrue(is_list_with_len(public_keys, 0), 'Empty list expected')
private_keys = self.gpg.list_keys(secret=True)
self.assertTrue(is_list_with_len(private_keys, 0), 'Empty list expected')
def generate_key(self, first_name, last_name, domain, passphrase=None, with_subkey=True):
"Generate a key"
params = {
'Key-Type': 'DSA',
'Key-Length': 1024,
'Name-Comment': 'A test user',
'Expire-Date': 0,
}
if with_subkey:
params['Subkey-Type'] = 'ELG-E'
params['Subkey-Length'] = 2048
options = self.gpg.options or []
if '--debug-quick-random' in options or '--quick-random' in options:
# If using the fake RNG, a key isn't regarded as valid
# unless its comment has the text (insecure!) in it.
params['Name-Comment'] = 'A test user (insecure!)'
params['Name-Real'] = '%s %s' % (first_name, last_name)
params['Name-Email'] = ('%s.%s@%s' % (first_name, last_name, domain)).lower()
if passphrase is None:
passphrase = ('%s%s' % (first_name[0], last_name)).lower()
params['Passphrase'] = passphrase
cmd = self.gpg.gen_key_input(**params)
return self.gpg.gen_key(cmd)
def do_key_generation(self):
"Test that key generation succeeds"
result = self.generate_key('Barbara', 'Brown', 'beta.com')
self.assertNotEqual(None, result, 'Non-null result')
return result
def test_key_generation_with_invalid_key_type(self):
"Test that key generation handles invalid key type"
params = {
'Key-Type': 'INVALID',
'Key-Length': 1024,
'Subkey-Type': 'ELG-E',
'Subkey-Length': 2048,
'Name-Comment': 'A test user',
'Expire-Date': 0,
'Name-Real': 'Test Name',
'Name-Email': '[email protected]',
}
cmd = self.gpg.gen_key_input(**params)
result = self.gpg.gen_key(cmd)
self.assertFalse(result.data, 'Null data result')
self.assertFalse(result.fingerprint, 'Null fingerprint result')
self.assertEqual(2, result.returncode, 'Unexpected return code')
def test_key_generation_with_colons(self):
"Test that key generation handles colons in key fields"
params = {
'key_type': 'RSA',
'name_real': 'urn:uuid:731c22c4-830f-422f-80dc-14a9fdae8c19',
'name_comment': 'dummy comment',
'name_email': '[email protected]',
}
if self.gpg.version >= (2, 1):
params['passphrase'] = 'foo'
cmd = self.gpg.gen_key_input(**params)
result = self.gpg.gen_key(cmd)
self.assertEqual(0, result.returncode, 'Non-zero return code')
keys = self.gpg.list_keys()
self.assertEqual(0, keys.returncode, 'Non-zero return code')
self.assertEqual(len(keys), 1)
key = keys[0]
uids = key['uids']
self.assertEqual(len(uids), 1)
uid = uids[0]
self.assertEqual(uid, 'urn:uuid:731c22c4-830f-422f-80dc-14a9fdae8c19 '
'(dummy comment) <[email protected]>')
def test_key_generation_with_escapes(self):
"Test that key generation handles escape characters"
params = {
'name_real': 'Test Name',
'name_comment': 'Funny chars: \\r\\n\\f\\v\\0\\b',
'name_email': '[email protected]',
}
if self.gpg.version >= (2, 1):
params['passphrase'] = 'foo'
cmd = self.gpg.gen_key_input(**params)
result = self.gpg.gen_key(cmd)
self.assertEqual(0, result.returncode, 'Non-zero return code')
keys = self.gpg.list_keys()
self.assertEqual(0, keys.returncode, 'Non-zero return code')
self.assertEqual(len(keys), 1)
key = keys[0]
uids = key['uids']
self.assertEqual(len(uids), 1)
uid = uids[0]
self.assertEqual(uid, 'Test Name (Funny chars: '
'\r\n\x0c\x0b\x00\x08) <[email protected]>')
@unittest.skipIf(os.name == 'nt', 'Test requires POSIX-style permissions')
def test_key_generation_failure(self):
if self.gpg.version < (2, 0):
raise unittest.SkipTest('gpg 1.x hangs in this test')
if not os.path.exists('rokeys'):
os.mkdir('rokeys')
os.chmod('rokeys', 0o400) # no one can write/search this directory
gpg = gnupg.GPG(gnupghome='rokeys', gpgbinary=GPGBINARY)
params = {
'Key-Type': 'RSA',
'Key-Length': 1024,
'Subkey-Type': 'ELG-E',
'Subkey-Length': 2048,
'Name-Comment': 'A test user',
'Expire-Date': 0,
'Name-Real': 'Test Name',
'Name-Email': '[email protected]',
}
cmd = gpg.gen_key_input(**params)
result = gpg.gen_key(cmd)
self.assertNotEqual(result.returncode, 0)
self.assertEqual(result.status, 'key not created')
def test_key_generation_input(self):
"Test that key generation input handles empty values, curves etc."
params = {
'key_type': ' ',
'key_length': 2048,
}
cmd = self.gpg.gen_key_input(**params)
self.assertTrue('Key-Type: RSA\n' in cmd)
params['key_type'] = 'DSA'
cmd = self.gpg.gen_key_input(**params)
self.assertTrue('Key-Type: DSA\n' in cmd)
params = {
'key_type': 'ECDSA',
'key_curve': 'nistp384',
'subkey_type': 'ECDH',
'subkey_curve': 'nistp384',
'name_comment': 'NIST P-384',
}
cmd = self.gpg.gen_key_input(**params)
for s in ('Key-Type: ECDSA', 'Key-Curve: nistp384', 'Subkey-Type: ECDH', 'Subkey-Curve: nistp384',
'Name-Comment: NIST P-384'):
self.assertTrue('%s\n' % s in cmd)
self.assertFalse('Key-Length: ' in cmd)
def test_add_subkey(self):
"Test that subkeys can be added"
if self.gpg.version[0] < 2:
raise unittest.SkipTest('Feature unavailable in GnuPG 1.x')
master_key = self.generate_key('Charlie', 'Clark', 'gamma.com', passphrase='123', with_subkey=False)
self.assertEqual(0, master_key.returncode, 'Non-zero return code')
result = self.gpg.add_subkey(master_key=master_key.fingerprint,
master_passphrase='123',
algorithm='dsa',
usage='sign',
expire=0)
self.assertEqual(0, result.returncode, 'Non-zero return code')
def test_add_subkey_with_invalid_key_type(self):
"Test that subkey generation handles invalid key type"
if self.gpg.version[0] < 2:
raise unittest.SkipTest('Feature unavailable in GnuPG 1.x')
master_key = self.generate_key('Charlie', 'Clark', 'gamma.com', passphrase='123', with_subkey=False)
self.assertEqual(0, master_key.returncode, 'Non-zero return code')
result = self.gpg.add_subkey(master_key=master_key.fingerprint,
master_passphrase='123',
algorithm='INVALID',
usage='sign',
expire=0)
self.assertFalse(result.data, 'Null data result')
self.assertEqual('', result.fingerprint, 'Empty fingerprint result')
self.assertEqual(2, result.returncode, 'Unexpected return code')
def test_deletion_subkey(self):
"Test that subkey deletion works"
if self.gpg.version[0] < 2:
raise unittest.SkipTest('Feature unavailable in GnuPG 1.x')
master_key = self.generate_key('Charlie', 'Clark', 'gamma.com', passphrase='123', with_subkey=False)
self.assertEqual(0, master_key.returncode, 'Non-zero return code')
subkey = self.gpg.add_subkey(master_key=master_key.fingerprint,
master_passphrase='123',
algorithm='dsa',
usage='sign',
expire=0)
self.assertEqual(0, subkey.returncode, 'Non-zero return code')
public_keys = self.gpg.list_keys()
key_info = public_keys[0]
private_keys = self.gpg.list_keys(secret=True)
secret_key_info = private_keys[0]
self.assertEqual(0, public_keys.returncode, 'Non-zero return code')
self.assertTrue(is_list_with_len(public_keys, 1), '1-element list expected')
self.assertEqual(len(key_info['subkeys']), 1, '1-element list expected')
self.assertTrue(is_list_with_len(private_keys, 1), '1-element list expected')
self.assertEqual(len(secret_key_info['subkeys']), 1, '1-element list expected')
result = self.gpg.delete_keys(subkey.fingerprint, secret=True, passphrase='123', exclamation_mode=True)
result = self.gpg.delete_keys(subkey.fingerprint, exclamation_mode=True)
self.assertEqual(0, result.returncode, 'Non-zero return code')
public_keys = self.gpg.list_keys()
key_info = public_keys[0]
private_keys = self.gpg.list_keys(secret=True)
secret_key_info = private_keys[0]
self.assertEqual(0, public_keys.returncode, 'Non-zero return code')
self.assertTrue(is_list_with_len(public_keys, 1), '1-element list expected')
self.assertEqual(len(key_info['subkeys']), 0, '0-element list expected')
self.assertTrue(is_list_with_len(private_keys, 1), '1-element list expected')
self.assertEqual(len(secret_key_info['subkeys']), 0, '1-element list expected')
def test_list_subkey_after_generation(self):
"Test that after subkey generation, the generated subkey is available"
if self.gpg.version[0] < 2:
raise unittest.SkipTest('Feature unavailable in GnuPG 1.x')
self.test_list_keys_initial()
master_key = self.generate_key('Charlie', 'Clark', 'gamma.com', passphrase='123', with_subkey=False)
self.assertEqual(0, master_key.returncode, 'Non-zero return code')
subkey_sign = self.gpg.add_subkey(master_key=master_key.fingerprint,
master_passphrase='123',
algorithm='dsa',
usage='sign',
expire=0)
self.assertEqual(0, subkey_sign.returncode, 'Non-zero return code')
subkey_encrypt = self.gpg.add_subkey(master_key=master_key.fingerprint,
master_passphrase='123',
algorithm='rsa',
usage='encrypt',
expire=0)
self.assertEqual(0, subkey_encrypt.returncode, 'Non-zero return code')
public_keys = self.gpg.list_keys()
self.assertEqual(0, public_keys.returncode, 'Non-zero return code')
self.assertTrue(is_list_with_len(public_keys, 1), '1-element list expected')
key_info = public_keys[0]
if self.gpg.version >= (2, 1):
self.assertTrue(key_info['keygrip'])
fp = key_info['fingerprint']
self.assertTrue(fp in public_keys.key_map)
self.assertTrue(public_keys.key_map[fp] is key_info)
self.assertEqual(fp, master_key.fingerprint)
self.assertTrue('subkey_info' in key_info)
skinfo = key_info['subkey_info']
self.assertEqual(len(skinfo), 2)
self.assertEqual(key_info['subkeys'][0][1], 's')
self.assertEqual(key_info['subkeys'][0][2], subkey_sign.fingerprint)
self.assertEqual(key_info['subkeys'][1][1], 'e')
self.assertEqual(key_info['subkeys'][1][2], subkey_encrypt.fingerprint)
for skid, _, sfp, grp in key_info['subkeys']:
self.assertTrue(skid in skinfo)
info = skinfo[skid]
self.assertEqual(info['keyid'], skid)
self.assertEqual(info['type'], 'sub')
self.assertTrue(sfp in public_keys.key_map)
self.assertTrue(public_keys.key_map[sfp] is key_info)
if self.gpg.version >= (2, 1):
self.assertTrue(grp)
def test_list_keys_after_generation(self):
"Test that after key generation, the generated key is available"
self.test_list_keys_initial()
self.do_key_generation()
public_keys = self.gpg.list_keys()
self.assertEqual(0, public_keys.returncode, 'Non-zero return code')
self.assertTrue(is_list_with_len(public_keys, 1), '1-element list expected')
key_info = public_keys[0]
if self.gpg.version >= (2, 1):
self.assertTrue(key_info['keygrip'])
fp = key_info['fingerprint']
self.assertTrue(fp in public_keys.key_map)
self.assertTrue(public_keys.key_map[fp] is key_info)
self.assertTrue('subkey_info' in key_info)
skinfo = key_info['subkey_info']
for skid, _, sfp, grp in key_info['subkeys']:
self.assertTrue(skid in skinfo)
info = skinfo[skid]
self.assertEqual(info['keyid'], skid)
self.assertEqual(info['type'], 'sub')
self.assertTrue(sfp in public_keys.key_map)
self.assertTrue(public_keys.key_map[sfp] is key_info)
if self.gpg.version >= (2, 1):
self.assertTrue(grp)
# now test with sigs=True
public_keys_sigs = self.gpg.list_keys(sigs=True)
self.assertEqual(0, public_keys_sigs.returncode, 'Non-zero return code')
self.assertTrue(is_list_with_len(public_keys_sigs, 1), '1-element list expected')
key_info = public_keys_sigs[0]
if self.gpg.version >= (2, 1):
self.assertTrue(key_info['keygrip'])
fp = key_info['fingerprint']
self.assertTrue(fp in public_keys_sigs.key_map)
self.assertTrue(public_keys_sigs.key_map[fp] is key_info)
self.assertTrue(is_list_with_len(key_info['sigs'], 2))
self.assertTrue('subkey_info' in key_info)
skinfo = key_info['subkey_info']
for siginfo in key_info['sigs']:
self.assertTrue(len(siginfo), 3)
for skid, _, sfp, grp in key_info['subkeys']:
self.assertTrue(skid in skinfo)
info = skinfo[skid]
self.assertEqual(info['keyid'], skid)
self.assertEqual(info['type'], 'sub')
self.assertTrue(sfp in public_keys_sigs.key_map)
self.assertTrue(public_keys_sigs.key_map[sfp] is key_info)
if self.gpg.version >= (2, 1):
self.assertTrue(grp)
private_keys = self.gpg.list_keys(secret=True)
self.assertEqual(0, private_keys.returncode, 'Non-zero return code')
self.assertTrue(is_list_with_len(private_keys, 1), '1-element list expected')
self.assertEqual(len(private_keys.fingerprints), 1)
key_info = private_keys[0]
if self.gpg.version >= (2, 1):
self.assertTrue(key_info['keygrip'])
self.assertTrue('subkey_info' in key_info)
skinfo = key_info['subkey_info']
self.assertTrue(skid in skinfo)
info = skinfo[skid]
self.assertEqual(info['keyid'], skid)
self.assertEqual(info['type'], 'ssb')
# Now do the same test, but using keyring and secret_keyring arguments
if self.gpg.version < (2, 1):
pkn = 'pubring.gpg'
skn = 'secring.gpg'
else:
# On GnuPG >= 2.1, --secret-keyring is obsolete and ignored,
# and the keyring file name has changed.
pkn = 'pubring.kbx'
skn = None
hd = self.homedir
if os.name == 'posix':
pkn = os.path.join(hd, pkn)
if skn:
skn = os.path.join(hd, skn)
gpg = gnupg.GPG(gnupghome=hd, gpgbinary=GPGBINARY, keyring=pkn, secret_keyring=skn)
logger.debug('Using keyring and secret_keyring arguments')
public_keys_2 = gpg.list_keys()
self.assertEqual(0, public_keys_2.returncode, 'Non-zero return code')
self.assertEqual(public_keys_2, public_keys)
private_keys_2 = gpg.list_keys(secret=True)
self.assertEqual(0, private_keys_2.returncode, 'Non-zero return code')
self.assertEqual(private_keys_2, private_keys)
# generate additional keys so that we can test listing a subset of
# keys
def get_names(key_map):
result = set()
for info in key_map.values():
for uid in info['uids']:
uid = uid.replace(' (A test user (insecure!))', '')
result.add(uid)
return result
result = self.generate_key('Charlie', 'Clark', 'gamma.com')
self.assertNotEqual(None, result, 'Non-null result')
self.assertEqual(0, result.returncode, 'Non-zero return code')
result = self.generate_key('Donna', 'Davis', 'delta.com')
self.assertNotEqual(None, result, 'Non-null result')
self.assertEqual(0, result.returncode, 'Non-zero return code')
public_keys = gpg.list_keys()
self.assertEqual(0, public_keys.returncode, 'Non-zero return code')
self.assertEqual(len(public_keys), 3)
actual = get_names(public_keys.key_map)
expected = set([
'Barbara Brown <[email protected]>', 'Charlie Clark <[email protected]>',
'Donna Davis <[email protected]>'
])
self.assertEqual(actual, expected)
# specify a single key as a string
public_keys = gpg.list_keys(keys='Donna Davis')
self.assertEqual(0, public_keys.returncode, 'Non-zero return code')
actual = get_names(public_keys.key_map)
expected = set(['Donna Davis <[email protected]>'])
self.assertEqual(actual, expected)
# specify multiple keys
public_keys = gpg.list_keys(keys=['Donna', 'Barbara'])
self.assertEqual(0, public_keys.returncode, 'Non-zero return code')
actual = get_names(public_keys.key_map)
expected = set(['Barbara Brown <[email protected]>', 'Donna Davis <[email protected]>'])
self.assertEqual(actual, expected)
def test_key_trust(self):
"Test that trusting keys works"
gpg = self.gpg
result = gpg.import_keys(KEYS_TO_IMPORT)
self.assertEqual(0, result.returncode, 'Non-zero return code')
keys = gpg.list_keys()
self.assertEqual(0, keys.returncode, 'Non-zero return code')
fingerprints = []
for key in keys:
self.assertEqual(key['ownertrust'], '-')
fingerprints.append(key['fingerprint'])
cases = (
('TRUST_NEVER', 'n'),
('TRUST_MARGINAL', 'm'),
('TRUST_FULLY', 'f'),
('TRUST_ULTIMATE', 'u'),
('TRUST_UNDEFINED', 'q'),
('TRUST_EXPIRED', 'e'),
)
for param, expected in cases:
gpg.trust_keys(fingerprints, param)
keys = gpg.list_keys(keys=fingerprints)
for key in keys:
self.assertEqual(key['ownertrust'], expected)
self.assertRaises(ValueError, gpg.trust_keys, fingerprints, 'TRUST_FOOBAR')
self.assertRaises(ValueError, gpg.trust_keys, 'NO_SUCH_FINGERPRINT', 'TRUST_NEVER')
# gpg should raise an error for the following - but it doesn't!
# self.assertRaises(ValueError, gpg.trust_keys,
# 'BADF00DBADF00DBADF00DBADF00DBADF00DBADF0',
# 'TRUST_NEVER')
def test_list_signatures(self):
imported = self.gpg.import_keys(SIGNED_KEYS)
self.assertEqual(0, imported.returncode, 'Non-zero return code')
keys = self.gpg.list_keys(keys=['18897CA2'])
self.assertEqual(0, keys.returncode, 'Non-zero return code')
self.assertTrue(is_list_with_len(keys, 1), 'importing test signed key')
sigs = self.gpg.list_keys(keys=['18897CA2'], sigs=True)[0]['sigs']
logger.debug('testing self-signature')
self.assertTrue(('BC6F350FB3D04076', 'Joshua Calvert (A test user) <[email protected]>', '13x') in sigs)
logger.debug('testing subkey self-signature')
self.assertTrue(('BC6F350FB3D04076', 'Joshua Calvert (A test user) <[email protected]>', '18x') in sigs)
logger.debug('testing other signature')
self.assertTrue(('057CCF658C074FDA', 'Winston Smith (A test user) <[email protected]>', '10x') in sigs)
def test_scan_keys(self):
"Test that external key files can be scanned"
# Don't use SkipTest for now, as not available for Python < 2.7
if self.gpg.version < (2, 1):
expected = set([
'Andrew Able (A test user) <[email protected]>',
'Barbara Brown (A test user) <[email protected]>',
'Charlie Clark (A test user) <[email protected]>',
])
for fn in ('test_pubring.gpg', 'test_secring.gpg'):
logger.debug('scanning keys in %s', fn)
data = self.gpg.scan_keys(fn)
self.assertEqual(0, data.returncode, 'Non-zero return code')
uids = set()
for d in data:
uids.add(d['uids'][0])
self.assertEqual(uids, expected)
def test_encryption_and_decryption(self):
"Test that encryption and decryption works"
key = self.generate_key('Andrew', 'Able', 'alpha.com', passphrase='andy')
self.assertEqual(0, key.returncode, 'Non-zero return code')
andrew = key.fingerprint
key = self.generate_key('Barbara', 'Brown', 'beta.com')
self.assertEqual(0, key.returncode, 'Non-zero return code')
barbara = key.fingerprint
gpg = self.gpg
if gnupg._py3k:
data = 'Hello, André!'
else: # pragma: no cover
data = unicode('Hello, André', gpg.encoding)
data = data.encode(gpg.encoding)
result = gpg.encrypt(data, barbara)
self.assertEqual(0, result.returncode, 'Non-zero return code')
edata = str(result)
self.assertNotEqual(data, edata, 'Data must have changed')
self.assertRaises(ValueError, gpg.decrypt, edata, passphrase='bbr\x00own')
self.assertRaises(ValueError, gpg.decrypt, edata, passphrase='bbr\rown')
self.assertRaises(ValueError, gpg.decrypt, edata, passphrase='bbr\nown')
ddata = gpg.decrypt(edata, passphrase='bbrown')
self.assertEqual(0, ddata.returncode, 'Non-zero return code')
if data != ddata.data: # pragma: no cover
logger.debug('was: %r', data)
logger.debug('new: %r', ddata.data)
self.assertEqual(data, ddata.data, 'Round-trip must work')
result = gpg.encrypt(data, [andrew, barbara])
self.assertEqual(0, result.returncode, 'Non-zero return code')
edata = str(result)
self.assertNotEqual(data, edata, 'Data must have changed')
ddata = gpg.decrypt(edata, passphrase='andy')
self.assertEqual(0, ddata.returncode, 'Non-zero return code')
self.assertEqual(data, ddata.data, 'Round-trip must work')
ddata = gpg.decrypt(edata, passphrase='bbrown')
self.assertEqual(data, ddata.data, 'Round-trip must work')
# Test symmetric encryption
data = 'chippy was here'
self.assertRaises(ValueError, gpg.encrypt, data, None, passphrase='bbr\x00own', symmetric=True)
self.assertRaises(ValueError, gpg.encrypt, data, None, passphrase='bbr\rown', symmetric=True)
self.assertRaises(ValueError, gpg.encrypt, data, None, passphrase='bbr\nown', symmetric=True)
result = gpg.encrypt(data, None, passphrase='bbrown', symmetric=True)
self.assertEqual(0, result.returncode, 'Non-zero return code')
edata = str(result)
ddata = gpg.decrypt(edata, passphrase='bbrown')
self.assertEqual(0, ddata.returncode, 'Non-zero return code')
self.assertEqual(data, str(ddata))
# Test symmetric encryption with non-default cipher
result = gpg.encrypt(data, None, passphrase='bbrown', symmetric='AES256')
self.assertEqual(0, result.returncode, 'Non-zero return code')
edata = str(result)
ddata = gpg.decrypt(edata, passphrase='bbrown')
self.assertEqual(0, ddata.returncode, 'Non-zero return code')
self.assertEqual(data, str(ddata))
# Test that you can't encrypt with no recipients
self.assertRaises(ValueError, self.gpg.encrypt, data, [])
# Test extra_args parameter
result = gpg.encrypt(data, barbara, extra_args=['-z', '0'])
self.assertEqual(0, result.returncode, 'Non-zero return code')
edata = str(result)
ddata = gpg.decrypt(edata, passphrase='bbrown')
self.assertEqual(data.encode('ascii'), ddata.data, 'Round-trip must work')
# Test on_data functionality
chunks = []
def collector(data):
chunks.append(data)
gpg.on_data = collector
result = gpg.encrypt(data, barbara)
self.assertEqual(0, result.returncode, 'Non-zero return code')
edata = str(result)
self.assertTrue(chunks)
expected = type(chunks[0])().join(chunks)
self.assertEqual(expected.decode('ascii'), edata)
chunks = []
ddata = gpg.decrypt(edata, passphrase='bbrown')
self.assertEqual(0, ddata.returncode, 'Non-zero return code')
self.assertEqual(data.encode('ascii'), ddata.data, 'Round-trip must work')
expected = type(chunks[0])().join(chunks)
self.assertEqual(expected.decode('ascii'), data)
# test signing with encryption and verification during decryption
logger.debug('encrypting with signature')
gpg.on_data = None
result = gpg.encrypt(data, barbara, sign=andrew, passphrase='andy')
self.assertEqual(0, result.returncode, 'Non-zero return code')
edata = str(result)
logger.debug('decrypting with verification')
ddata = gpg.decrypt(edata, passphrase='bbrown')
self.assertEqual(0, ddata.returncode, 'Non-zero return code')
self.assertEqual(data.encode('ascii'), ddata.data, 'Round-trip must work')
sig_values = list(ddata.sig_info.values())
self.assertTrue(sig_values)
sig_info = sig_values[0]
self.assertEqual(sig_info['fingerprint'], andrew)
logger.debug('decrypting with verification succeeded')
def test_import_and_export(self):
"Test that key import and export works"
self.test_list_keys_initial()
gpg = self.gpg
result = gpg.import_keys(KEYS_TO_IMPORT)
self.assertEqual(0, result.returncode, 'Non-zero return code')
self.assertEqual(result.summary(), '2 imported')
public_keys = gpg.list_keys()
self.assertEqual(0, public_keys.returncode, 'Non-zero return code')
self.assertTrue(is_list_with_len(public_keys, 2), '2-element list expected')
private_keys = gpg.list_keys(secret=True)
self.assertEqual(0, private_keys.returncode, 'Non-zero return code')
self.assertTrue(is_list_with_len(private_keys, 0), 'Empty list expected')
ascii = gpg.export_keys([k['keyid'] for k in public_keys])
self.assertTrue(ascii.find('PGP PUBLIC KEY BLOCK') >= 0, 'Exported key should be public')
ascii = ascii.replace('\r', '').strip()
match = compare_keys(ascii, KEYS_TO_IMPORT)
if match: # pragma: no cover
logger.debug('was: %r', KEYS_TO_IMPORT)
logger.debug('now: %r', ascii)
self.assertEqual(0, match, 'Keys must match')
# Generate a key so we can test exporting private keys
key = self.do_key_generation()
if self.gpg.version < (2, 1):
passphrase = None
else:
passphrase = 'bbrown'
ascii = gpg.export_keys(key.fingerprint, True, passphrase=passphrase)
self.assertTrue(isinstance(ascii, gnupg.text_type))
self.assertTrue(ascii.find('PGP PRIVATE KEY BLOCK') >= 0, 'Exported key should be private')
binary = gpg.export_keys(key.fingerprint, True, armor=False, passphrase=passphrase)
self.assertFalse(isinstance(binary, gnupg.text_type))
# import a secret key, and confirm that it's found in the list of
# secret keys.
result = gpg.import_keys(SECRET_KEY)
self.assertEqual(0, result.returncode, 'Non-zero return code')
self.assertEqual(result.summary(), '1 imported')
private_keys = gpg.list_keys(secret=True)
self.assertTrue(is_list_with_len(private_keys, 2))
found = False
for pk in private_keys:
if pk['keyid'].endswith('D2209820'):
found = True
break
self.assertTrue(found)
self.assertEqual(pk['uids'][0], 'Autogenerated Key <user1@test>')
def test_import_only(self):
"Test that key import works"
self.test_list_keys_initial()
result = self.gpg.import_keys(KEYS_TO_IMPORT)
self.assertEqual(0, result.returncode, 'Non-zero return code')
public_keys = self.gpg.list_keys()
self.assertEqual(0, public_keys.returncode, 'Non-zero return code')
self.assertTrue(is_list_with_len(public_keys, 2), '2-element list expected')
private_keys = self.gpg.list_keys(secret=True)
self.assertEqual(0, private_keys.returncode, 'Non-zero return code')
self.assertTrue(is_list_with_len(private_keys, 0), 'Empty list expected')
ascii = self.gpg.export_keys([k['keyid'] for k in public_keys])
self.assertTrue(ascii.find('PGP PUBLIC KEY BLOCK') >= 0, 'Exported key should be public')
ascii = ascii.replace('\r', '').strip()
match = compare_keys(ascii, KEYS_TO_IMPORT)
if match: # pragma: no cover
logger.debug('was: %r', KEYS_TO_IMPORT)
logger.debug('now: %r', ascii)
self.assertEqual(0, match, 'Keys must match')
def test_signature_verification(self):
"Test that signing and verification works"
key = self.generate_key('Andrew', 'Able', 'alpha.com')
if gnupg._py3k:
data = 'Hello, André!'
else: # pragma: no cover
data = unicode('Hello, André', self.gpg.encoding)
data = data.encode(self.gpg.encoding)
self.assertRaises(ValueError, self.gpg.sign, data, keyid=key.fingerprint, passphrase='bbr\x00own')
self.assertRaises(ValueError, self.gpg.sign, data, keyid=key.fingerprint, passphrase='bbr\rown')
self.assertRaises(ValueError, self.gpg.sign, data, keyid=key.fingerprint, passphrase='bbr\nown')
sig = self.gpg.sign(data, keyid=key.fingerprint, passphrase='bbrown')
self.assertFalse(sig, 'Bad passphrase should fail')
sig = self.gpg.sign(data, keyid=key.fingerprint, passphrase='aable')
self.assertEqual(0, sig.returncode, 'Non-zero return code')
self.assertTrue(sig, 'Good passphrase should succeed')
if sig.username: # not set in recent versions of GnuPG e.g. 2.2.5
self.assertTrue(sig.username.startswith('Andrew Able'))
if sig.key_id:
self.assertTrue(key.fingerprint.endswith(sig.key_id))
self.assertTrue(sig.hash_algo)
logger.debug('verification start')
verified = self.gpg.verify(sig.data)
self.assertEqual(0, verified.returncode, 'Non-zero return code')
logger.debug('verification end')
if key.fingerprint != verified.fingerprint: # pragma: no cover
logger.debug('key: %r', key.fingerprint)
logger.debug('ver: %r', verified.fingerprint)
self.assertEqual(key.fingerprint, verified.fingerprint, 'Fingerprints must match')
self.assertEqual(verified.trust_level, verified.TRUST_ULTIMATE)
self.assertEqual(verified.trust_text, 'TRUST_ULTIMATE')
data_file = open(self.test_fn, 'rb')
sig = self.gpg.sign_file(data_file, keyid=key.fingerprint, passphrase='aable')
self.assertEqual(0, sig.returncode, 'Non-zero return code')
data_file.close()
self.assertTrue(sig, 'File signing should succeed')
self.assertTrue(sig.hash_algo)
try:
stream = gnupg._make_binary_stream(sig.data, self.gpg.encoding)
verified = self.gpg.verify_file(stream)
except UnicodeDecodeError: # pragma: no cover
# sometimes happens in Python 2.6
from io import BytesIO
verified = self.gpg.verify_file(BytesIO(sig.data))
self.assertEqual(0, verified.returncode, 'Non-zero return code')
if key.fingerprint != verified.fingerprint: # pragma: no cover
logger.debug('key: %r', key.fingerprint)
logger.debug('ver: %r', verified.fingerprint)
self.assertEqual(key.fingerprint, verified.fingerprint, 'Fingerprints must match')
data_file = open(self.test_fn, 'rb')
sig = self.gpg.sign_file(data_file, keyid=key.fingerprint, passphrase='aable', detach=True)
self.assertEqual(0, sig.returncode, 'Non-zero return code')
data_file.close()
self.assertTrue(sig, 'File signing should succeed')
self.assertTrue(sig.hash_algo)
try:
file = gnupg._make_binary_stream(sig.data, self.gpg.encoding)
verified = self.gpg.verify_file(file, self.test_fn)
except UnicodeDecodeError: # pragma: no cover
# sometimes happens in Python 2.6
from io import BytesIO
verified = self.gpg.verify_file(BytesIO(sig.data))
self.assertEqual(0, verified.returncode, 'Non-zero return code')
if key.fingerprint != verified.fingerprint: # pragma: no cover
logger.debug('key: %r', key.fingerprint)
logger.debug('ver: %r', verified.fingerprint)
self.assertEqual(key.fingerprint, verified.fingerprint, 'Fingerprints must match')
# Test in-memory verification
data_file = open(self.test_fn, 'rb')
data = data_file.read()
data_file.close()
fd, fn = tempfile.mkstemp(prefix='pygpg-test-')
os.write(fd, sig.data)
os.close(fd)
try:
verified = self.gpg.verify_data(fn, data)
finally:
os.remove(fn)
self.assertEqual(0, verified.returncode, 'Non-zero return code')
if key.fingerprint != verified.fingerprint: # pragma: no cover
logger.debug('key: %r', key.fingerprint)
logger.debug('ver: %r', verified.fingerprint)
self.assertEqual(key.fingerprint, verified.fingerprint, 'Fingerprints must match')
def test_signature_file(self):
"Test that signing and verification works via the GPG output"
key = self.generate_key('Andrew', 'Able', 'alpha.com')
data_file = open(self.test_fn, 'rb')
sig_file = self.test_fn + '.asc'
sig = self.gpg.sign_file(data_file, keyid=key.fingerprint, passphrase='aable', detach=True, output=sig_file)
self.assertEqual(0, sig.returncode, 'Non-zero return code')
data_file.close()
self.assertTrue(sig, 'File signing should succeed')
self.assertTrue(sig.hash_algo)
self.assertTrue(os.path.exists(sig_file))
# Test in-memory verification
data_file = open(self.test_fn, 'rb')
data = data_file.read()
data_file.close()
try:
verified = self.gpg.verify_data(sig_file, data)
self.assertTrue(verified.username.startswith('Andrew Able'))
self.assertTrue(key.fingerprint.endswith(verified.key_id))
finally:
os.remove(sig_file)
self.assertEqual(0, verified.returncode, 'Non-zero return code')
if key.fingerprint != verified.fingerprint: