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#!/usr/bin/env python
# Copyright 2017 Ludovico de Nittis <aasonykk+gnome@gmail.com>
#
# This file is part of GNOME Keysign.
#
# GNOME Keysign is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# GNOME Keysign is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with GNOME Keysign. If not, see <http://www.gnu.org/licenses/>.
import os
import logging
from subprocess import check_call
import tempfile
import gi
gi.require_version('Gtk', '3.0')
from nose.twistedtools import deferred
from nose.tools import *
from wormhole.errors import WrongPasswordError, LonelyError
from twisted.internet.defer import inlineCallbacks
from keysign.gpgmeh import openpgpkey_from_data
from keysign.gpgmeh import get_public_key_data
from keysign.offer import Offer
from keysign.util import mac_generate
from keysign.wormholeoffer import WormholeOffer
from keysign.wormholereceive import WormholeReceive
log = logging.getLogger(__name__)
thisdir = os.path.dirname(os.path.realpath(__file__))
parentdir = os.path.join(thisdir, "..")
def get_fixture_dir(fixture=""):
dname = os.path.join(thisdir, "fixtures", fixture)
return dname
def get_fixture_file(fixture):
fname = os.path.join(get_fixture_dir(), fixture)
return fname
def import_key_from_file(fixture, homedir):
fname = get_fixture_file(fixture)
original = open(fname, 'rb').read()
gpgcmd = ["gpg", "--homedir={}".format(homedir)]
# Now we import a single key
check_call(gpgcmd + ["--import", fname])
return openpgpkey_from_data(original)
@deferred(timeout=10)
@inlineCallbacks
def test_wrmhl():
# This should be a new, empty directory
homedir = tempfile.mkdtemp()
os.environ["GNUPGHOME"] = homedir
key = import_key_from_file("seckey-no-pw-1.asc", homedir)
file_key_data = get_public_key_data(key.fingerprint)
log.info("Running with key %r", key)
# Start offering the key
offer = WormholeOffer(key)
info = yield offer.allocate_code()
code, _ = info
offer.start()
receive = WormholeReceive(code)
msg_tuple = yield receive.start()
downloaded_key_data, success, _ = msg_tuple
assert_true(success)
log.info("Checking with key: %r", downloaded_key_data)
assert_equal(downloaded_key_data, file_key_data)
@deferred(timeout=10)
@inlineCallbacks
def test_wrmhl_offline_code():
# This should be a new, empty directory
homedir = tempfile.mkdtemp()
os.environ["GNUPGHOME"] = homedir
key = import_key_from_file("seckey-no-pw-1.asc", homedir)
file_key_data = get_public_key_data(key.fingerprint)
# We assume that this channel, at execution time, is free
code = u"5556-penguin-paw-print"
# Start offering the key
offer = WormholeOffer(key)
offer.allocate_code(code)
offer.start()
# Start receiving the key
receive = WormholeReceive(code)
msg_tuple = yield receive.start()
downloaded_key_data, success, _ = msg_tuple
assert_true(success)
log.info("Checking with key: %r", downloaded_key_data)
assert_equal(downloaded_key_data, file_key_data)
@deferred(timeout=10)
@inlineCallbacks
def test_wrmhl_wrong_code():
# This should be a new, empty directory
homedir = tempfile.mkdtemp()
os.environ["GNUPGHOME"] = homedir
key = import_key_from_file("seckey-no-pw-1.asc", homedir)
log.info("Running with key %r", key)
# Start offering the key
offer = WormholeOffer(key)
info = yield offer.allocate_code()
code, _ = info
offer.start()
receive = WormholeReceive(code+"-wrong")
msg_tuple = yield receive.start()
downloaded_key_data, success, message = msg_tuple
assert_false(success)
assert_is_not_none(message)
assert_equal(message, WrongPasswordError)
@deferred(timeout=10)
@inlineCallbacks
def test_wrmhl_wrong_hmac():
# This should be a new, empty directory
homedir = tempfile.mkdtemp()
os.environ["GNUPGHOME"] = homedir
key = import_key_from_file("seckey-no-pw-1.asc", homedir)
log.info("Running with key %r", key)
hmac = "wrong_hmac_eg_tampered_key"
# Start offering the key
offer = WormholeOffer(key)
info = yield offer.allocate_code()
code, _ = info
offer.start()
receive = WormholeReceive(code, mac=hmac)
msg_tuple = yield receive.start()
downloaded_key_data, success, message = msg_tuple
assert_false(success)
assert_is_not_none(message)
assert_equal(message, WrongPasswordError)
@deferred(timeout=10)
@inlineCallbacks
def test_wrmhl_with_hmac():
# This should be a new, empty directory
homedir = tempfile.mkdtemp()
os.environ["GNUPGHOME"] = homedir
key = import_key_from_file("seckey-no-pw-1.asc", homedir)
file_key_data = get_public_key_data(key.fingerprint)
log.info("Running with key %r", key)
hmac = mac_generate(key.fingerprint.encode('ascii'), file_key_data)
# Start offering the key
offer = WormholeOffer(key)
info = yield offer.allocate_code()
code, _ = info
offer.start()
receive = WormholeReceive(code, mac=hmac)
msg_tuple = yield receive.start()
downloaded_key_data, success, _ = msg_tuple
assert_true(success)
log.info("Checking with key: %r", downloaded_key_data)
assert_equal(downloaded_key_data, file_key_data)
@deferred(timeout=10)
@inlineCallbacks
def _test_offer_cancel():
def _received(start_data):
success, message = start_data
assert_is_not_none(message)
assert_equal(type(message), LonelyError)
# This should be a new, empty directory
homedir = tempfile.mkdtemp()
os.environ["GNUPGHOME"] = homedir
key = import_key_from_file("seckey-no-pw-1.asc", homedir)
log.info("Running with key %r", key)
# Start offering the key
offer = Offer(key)
_ = yield offer.allocate_code(worm=True)
defers = offer.start()
for de in defers:
de.addCallback(_received)
offer.stop()
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