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# test_sync_deferred.py
# Copyright (C) 2014 LEAP
#
# This program 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.
#
# This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
"""
Test Leap backend bits: sync with deferred encryption/decryption.
"""
import time
import os
import random
import string
import shutil
from urlparse import urljoin
from leap.soledad.common import couch
from leap.soledad.client.sqlcipher import (
SQLCipherOptions,
SQLCipherDatabase,
SQLCipherU1DBSync,
)
from testscenarios import TestWithScenarios
from leap.soledad.common.tests import u1db_tests as tests
from leap.soledad.common.tests.u1db_tests import test_sync
from leap.soledad.common.tests.util import ADDRESS
from leap.soledad.common.tests.util import SoledadWithCouchServerMixin
from leap.soledad.common.tests.util import make_soledad_app
# Just to make clear how this test is different... :)
DEFER_DECRYPTION = True
WAIT_STEP = 1
MAX_WAIT = 10
DBPASS = "pass"
class BaseSoledadDeferredEncTest(SoledadWithCouchServerMixin):
"""
Another base class for testing the deferred encryption/decryption during
the syncs, using the intermediate database.
"""
defer_sync_encryption = True
def setUp(self):
SoledadWithCouchServerMixin.setUp(self)
# config info
self.db1_file = os.path.join(self.tempdir, "db1.u1db")
os.unlink(self.db1_file)
self.db_pass = DBPASS
self.email = ADDRESS
# get a random prefix for each test, so we do not mess with
# concurrency during initialization and shutting down of
# each local db.
self.rand_prefix = ''.join(
map(lambda x: random.choice(string.ascii_letters), range(6)))
# open test dbs: db1 will be the local sqlcipher db (which
# instantiates a syncdb). We use the self._soledad instance that was
# already created on some setUp method.
import binascii
tohex = binascii.b2a_hex
key = tohex(self._soledad.secrets.get_local_storage_key())
sync_db_key = tohex(self._soledad.secrets.get_sync_db_key())
dbpath = self._soledad._local_db_path
self.opts = SQLCipherOptions(
dbpath, key, is_raw_key=True, create=False,
defer_encryption=True, sync_db_key=sync_db_key)
self.db1 = SQLCipherDatabase(self.opts)
self.db2 = couch.CouchDatabase.open_database(
urljoin(
'http://localhost:' + str(self.wrapper.port), 'test'),
create=True,
ensure_ddocs=True)
def tearDown(self):
self.db1.close()
self.db2.close()
self._soledad.close()
# XXX should not access "private" attrs
shutil.rmtree(os.path.dirname(self._soledad._local_db_path))
SoledadWithCouchServerMixin.tearDown(self)
class SyncTimeoutError(Exception):
"""
Dummy exception to notify timeout during sync.
"""
pass
class TestSoledadDbSyncDeferredEncDecr(
TestWithScenarios,
test_sync.TestDbSync,
BaseSoledadDeferredEncTest):
"""
Test db.sync remote sync shortcut.
Case with deferred encryption and decryption: using the intermediate
syncdb.
"""
scenarios = [
('http', {
'make_app_with_state': make_soledad_app,
'make_database_for_test': tests.make_memory_database_for_test,
}),
]
oauth = False
token = True
def make_app(self):
self.request_state = couch.CouchServerState(
self._couch_url, 'shared', 'tokens')
return self.make_app_with_state(self.request_state)
def setUp(self):
"""
Need to explicitely invoke inicialization on all bases.
"""
BaseSoledadDeferredEncTest.setUp(self)
self.server = self.server_thread = None
self.startServer()
self.syncer = None
def tearDown(self):
"""
Need to explicitely invoke destruction on all bases.
"""
dbsyncer = getattr(self, 'dbsyncer', None)
if dbsyncer:
dbsyncer.close()
BaseSoledadDeferredEncTest.tearDown(self)
def do_sync(self, target_name):
"""
Perform sync using SoledadSynchronizer, SoledadSyncTarget
and Token auth.
"""
if self.token:
creds={'token': {
'uuid': 'user-uuid',
'token': 'auth-token',
}}
target_url = self.getURL(target_name)
# get a u1db syncer
crypto = self._soledad._crypto
replica_uid = self.db1._replica_uid
dbsyncer = SQLCipherU1DBSync(self.opts, crypto, replica_uid,
defer_encryption=True)
self.dbsyncer = dbsyncer
return dbsyncer.sync(target_url, creds=creds,
autocreate=True,defer_decryption=DEFER_DECRYPTION)
else:
return test_sync.TestDbSync.do_sync(self, target_name)
def wait_for_sync(self):
"""
Wait for sync to finish.
"""
wait = 0
syncer = self.syncer
if syncer is not None:
while syncer.syncing:
time.sleep(WAIT_STEP)
wait += WAIT_STEP
if wait >= MAX_WAIT:
raise SyncTimeoutError
def test_db_sync(self):
"""
Test sync.
Adapted to check for encrypted content.
"""
doc1 = self.db1.create_doc_from_json(tests.simple_doc)
doc2 = self.db2.create_doc_from_json(tests.nested_doc)
d = self.do_sync('test')
def _assert_successful_sync(results):
import time
# need to give time to the encryption to proceed
# TODO should implement a defer list to subscribe to the all-decrypted
# event
time.sleep(2)
local_gen_before_sync = results
self.wait_for_sync()
gen, _, changes = self.db1.whats_changed(local_gen_before_sync)
self.assertEqual(1, len(changes))
self.assertEqual(doc2.doc_id, changes[0][0])
self.assertEqual(1, gen - local_gen_before_sync)
self.assertGetEncryptedDoc(
self.db2, doc1.doc_id, doc1.rev, tests.simple_doc, False)
self.assertGetEncryptedDoc(
self.db1, doc2.doc_id, doc2.rev, tests.nested_doc, False)
d.addCallback(_assert_successful_sync)
return d
def test_db_sync_autocreate(self):
pass
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