diff options
Diffstat (limited to 'src/leap/soledad/tests/test_sqlcipher.py')
-rw-r--r-- | src/leap/soledad/tests/test_sqlcipher.py | 324 |
1 files changed, 294 insertions, 30 deletions
diff --git a/src/leap/soledad/tests/test_sqlcipher.py b/src/leap/soledad/tests/test_sqlcipher.py index 337ab4ee..73388202 100644 --- a/src/leap/soledad/tests/test_sqlcipher.py +++ b/src/leap/soledad/tests/test_sqlcipher.py @@ -2,16 +2,21 @@ import os import time -from pysqlcipher import dbapi2 import unittest -from StringIO import StringIO +try: + import simplejson as json +except ImportError: + import json # noqa import threading +from pysqlcipher import dbapi2 +from StringIO import StringIO # u1db stuff. from u1db import ( errors, query_parser, sync, + vectorclock, ) from u1db.backends.sqlite_backend import SQLitePartialExpandDatabase @@ -24,10 +29,12 @@ from leap.soledad.backends.sqlcipher import open as u1db_open from leap.soledad.backends.leap_backend import ( LeapDocument, EncryptionSchemes, + decrypt_doc_json, + encrypt_doc_json, ) # u1db tests stuff. -from leap.soledad.tests import u1db_tests as tests +from leap.soledad.tests import u1db_tests as tests, BaseSoledadTest from leap.soledad.tests.u1db_tests import test_sqlite_backend from leap.soledad.tests.u1db_tests import test_backends from leap.soledad.tests.u1db_tests import test_open @@ -345,29 +352,6 @@ class TestSQLCipherPartialExpandDatabase( self.db.put_doc(doc) self.assertEqual(True, self.db.get_doc(doc.doc_id).syncable) - def test_store_encryption_scheme(self): - doc = self.db.create_doc_from_json(tests.simple_doc) - # assert that docs have no encryption_scheme by default - self.assertEqual(EncryptionSchemes.NONE, doc.encryption_scheme) - # assert that we can store a different value - doc.encryption_scheme = EncryptionSchemes.PUBKEY - self.db.put_doc(doc) - self.assertEqual( - EncryptionSchemes.PUBKEY, - self.db.get_doc(doc.doc_id).encryption_scheme) - # assert that we can store another different value - doc.encryption_scheme = EncryptionSchemes.SYMKEY - self.db.put_doc(doc) - self.assertEqual( - EncryptionSchemes.SYMKEY, - self.db.get_doc(doc.doc_id).encryption_scheme) - # assert that we can store the default value - doc.encryption_scheme = EncryptionSchemes.NONE - self.db.put_doc(doc) - self.assertEqual( - EncryptionSchemes.NONE, - self.db.get_doc(doc.doc_id).encryption_scheme) - #----------------------------------------------------------------------------- # The following tests come from `u1db.tests.test_open`. @@ -430,7 +414,7 @@ def sync_via_synchronizer_and_leap(test, db_source, db_target, if trace_hook: test.skipTest("full trace hook unsupported over http") path = test._http_at[db_target] - target = LeapSyncTarget.connect(test.getURL(path)) + target = LeapSyncTarget.connect(test.getURL(path), test._soledad._crypto) if trace_hook_shallow: target._set_trace_hook_shallow(trace_hook_shallow) return sync.Synchronizer(db_source, target).sync() @@ -445,15 +429,192 @@ sync_scenarios.append(('pyleap', { })) -class SQLCipherDatabaseSyncTests(test_sync.DatabaseSyncTests): +class SQLCipherDatabaseSyncTests( + test_sync.DatabaseSyncTests, BaseSoledadTest): scenarios = sync_scenarios + def setUp(self): + test_sync.DatabaseSyncTests.setUp(self) + BaseSoledadTest.setUp(self) + + def tearDown(self): + test_sync.DatabaseSyncTests.tearDown(self) + BaseSoledadTest.tearDown(self) + + def test_sync_autoresolves(self): + # The remote database can't autoresolve conflicts based on magic + # content convergence, so we modify this test to leave the possibility + # of the remode document ending up in conflicted state. + self.db1 = self.create_database('test1', 'source') + self.db2 = self.create_database('test2', 'target') + doc1 = self.db1.create_doc_from_json(tests.simple_doc, doc_id='doc') + rev1 = doc1.rev + doc2 = self.db2.create_doc_from_json(tests.simple_doc, doc_id='doc') + rev2 = doc2.rev + self.sync(self.db1, self.db2) + doc = self.db1.get_doc('doc') + self.assertFalse(doc.has_conflicts) + # if remote content is in conflicted state, then document revisions + # will be different. + #self.assertEqual(doc.rev, self.db2.get_doc('doc').rev) + v = vectorclock.VectorClockRev(doc.rev) + self.assertTrue(v.is_newer(vectorclock.VectorClockRev(rev1))) + self.assertTrue(v.is_newer(vectorclock.VectorClockRev(rev2))) + + def test_sync_autoresolves_moar(self): + # here we test that when a database that has a conflicted document is + # the source of a sync, and the target database has a revision of the + # conflicted document that is newer than the source database's, and + # that target's database's document's content is the same as the + # source's document's conflict's, the source's document's conflict gets + # autoresolved, and the source's document's revision bumped. + # + # idea is as follows: + # A B + # a1 - + # `-------> + # a1 a1 + # v v + # a2 a1b1 + # `-------> + # a1b1+a2 a1b1 + # v + # a1b1+a2 a1b2 (a1b2 has same content as a2) + # `-------> + # a3b2 a1b2 (autoresolved) + # `-------> + # a3b2 a3b2 + self.db1 = self.create_database('test1', 'source') + self.db2 = self.create_database('test2', 'target') + self.db1.create_doc_from_json(tests.simple_doc, doc_id='doc') + self.sync(self.db1, self.db2) + for db, content in [(self.db1, '{}'), (self.db2, '{"hi": 42}')]: + doc = db.get_doc('doc') + doc.set_json(content) + db.put_doc(doc) + self.sync(self.db1, self.db2) + # db1 and db2 now both have a doc of {hi:42}, but db1 has a conflict + doc = self.db1.get_doc('doc') + rev1 = doc.rev + self.assertTrue(doc.has_conflicts) + # set db2 to have a doc of {} (same as db1 before the conflict) + doc = self.db2.get_doc('doc') + doc.set_json('{}') + self.db2.put_doc(doc) + rev2 = doc.rev + # sync it across + self.sync(self.db1, self.db2) + # tadaa! + doc = self.db1.get_doc('doc') + self.assertFalse(doc.has_conflicts) + vec1 = vectorclock.VectorClockRev(rev1) + vec2 = vectorclock.VectorClockRev(rev2) + vec3 = vectorclock.VectorClockRev(doc.rev) + self.assertTrue(vec3.is_newer(vec1)) + self.assertTrue(vec3.is_newer(vec2)) + # because the conflict is on the source, sync it another time + self.sync(self.db1, self.db2) + # make sure db2 now has the exact same thing + doc1 = self.db1.get_doc('doc') + doc2 = self.db1.get_doc('doc') + if '_encryption_scheme' in doc2.content: + doc2.set_json( + decrypt_doc_json( + self._soledad._crypto, doc2, doc2.get_json())) + self.assertEqual(doc1, doc2) + + def test_sync_autoresolves_moar_backwards(self): + # here we would test that when a database that has a conflicted + # document is the target of a sync, and the source database has a + # revision of the conflicted document that is newer than the target + # database's, and that source's database's document's content is the + # same as the target's document's conflict's, the target's document's + # conflict gets autoresolved, and the document's revision bumped. + # + # Despite that, in Soledad we suppose that the server never syncs, so + # it never has conflicted documents. Also, if it had, convergence + # would not be possible in terms of document's contents. + # + # Therefore we suppress this test. + pass + + def test_sync_autoresolves_moar_backwards_three(self): + # We use the same reasoning from the last test to suppress this one. + pass + + def test_sync_propagates_resolution(self): + self.db1 = self.create_database('test1', 'both') + self.db2 = self.create_database('test2', 'both') + doc1 = self.db1.create_doc_from_json('{"a": 1}', doc_id='the-doc') + db3 = self.create_database('test3', 'both') + self.sync(self.db2, self.db1) + self.assertEqual( + self.db1._get_generation_info(), + self.db2._get_replica_gen_and_trans_id(self.db1._replica_uid)) + self.assertEqual( + self.db2._get_generation_info(), + self.db1._get_replica_gen_and_trans_id(self.db2._replica_uid)) + self.sync(db3, self.db1) + # update on 2 + doc2 = self.make_document('the-doc', doc1.rev, '{"a": 2}') + self.db2.put_doc(doc2) + self.sync(self.db2, db3) + self.assertEqual(db3.get_doc('the-doc').rev, doc2.rev) + # update on 1 + doc1.set_json('{"a": 3}') + self.db1.put_doc(doc1) + # conflicts + self.sync(self.db2, self.db1) + self.sync(db3, self.db1) + self.assertTrue(self.db2.get_doc('the-doc').has_conflicts) + self.assertTrue(db3.get_doc('the-doc').has_conflicts) + # resolve + conflicts = self.db2.get_doc_conflicts('the-doc') + doc4 = self.make_document('the-doc', None, '{"a": 4}') + revs = [doc.rev for doc in conflicts] + self.db2.resolve_doc(doc4, revs) + doc2 = self.db2.get_doc('the-doc') + self.assertEqual(doc4.get_json(), doc2.get_json()) + self.assertFalse(doc2.has_conflicts) + self.sync(self.db2, db3) + doc3 = db3.get_doc('the-doc') + if '_encryption_scheme' in doc3.content: + doc3.set_json( + decrypt_doc_json( + self._soledad._crypto, doc3.doc_id, doc3.get_json())) + self.assertEqual(doc4.get_json(), doc3.get_json()) + self.assertFalse(doc3.has_conflicts) + + def test_sync_puts_changes(self): + self.db1 = self.create_database('test1', 'source') + self.db2 = self.create_database('test2', 'target') + doc = self.db1.create_doc_from_json(tests.simple_doc) + self.assertEqual(1, self.sync(self.db1, self.db2)) + exp_doc = self.make_document( + doc.doc_id, doc.rev, tests.simple_doc, False) + doc2 = self.db2.get_doc(doc.doc_id) + # decrypt to compare it it is the case + if '_encryption_scheme' in doc2.content: + doc2 = self.db2.get_doc(doc.doc_id) + doc2.set_json( + decrypt_doc_json( + self._soledad._crypto, doc.doc_id, doc2.get_json())) + self.assertEqual(exp_doc, doc2) + self.assertEqual(1, self.db1._get_replica_gen_and_trans_id('test2')[0]) + self.assertEqual(1, self.db2._get_replica_gen_and_trans_id('test1')[0]) + self.assertLastExchangeLog( + self.db2, + {'receive': {'docs': [(doc.doc_id, doc.rev)], + 'source_uid': 'test1', + 'source_gen': 1, 'last_known_gen': 0}, + 'return': {'docs': [], 'last_gen': 1}}) + def _make_local_db_and_leap_target(test, path='test'): test.startServer() db = test.request_state._create_database(os.path.basename(path)) - st = LeapSyncTarget.connect(test.getURL(path)) + st = LeapSyncTarget.connect(test.getURL(path), test._soledad._crypto) return db, st @@ -464,11 +625,114 @@ target_scenarios = [ ] -class SQLCipherSyncTargetTests(test_sync.DatabaseSyncTargetTests): +class SQLCipherSyncTargetTests( + test_sync.DatabaseSyncTargetTests, BaseSoledadTest): scenarios = (tests.multiply_scenarios(SQLCIPHER_SCENARIOS, target_scenarios)) + def setUp(self): + test_sync.DatabaseSyncTargetTests.setUp(self) + BaseSoledadTest.setUp(self) + + def tearDown(self): + test_sync.DatabaseSyncTargetTests.tearDown(self) + BaseSoledadTest.tearDown(self) + + def test_sync_exchange(self): + """ + Modified to account for possibly receiving encrypted documents from + sever-side. + """ + docs_by_gen = [ + (self.make_document('doc-id', 'replica:1', tests.simple_doc), 10, + 'T-sid')] + new_gen, trans_id = self.st.sync_exchange( + docs_by_gen, 'replica', last_known_generation=0, + last_known_trans_id=None, return_doc_cb=self.receive_doc) + # decrypt doc1 for comparison if needed + tmpdoc = self.db.get_doc('doc-id') + if '_encryption_scheme' in tmpdoc.content: + tmpdoc.set_json( + decrypt_doc_json( + self._soledad._crypto, tmpdoc.doc_id, + tmpdoc.get_json())) + self.assertEqual(tmpdoc.rev, 'replica:1') + self.assertEqual(tmpdoc.content, json.loads(tests.simple_doc)) + self.assertFalse(tmpdoc.has_conflicts) + self.assertTransactionLog(['doc-id'], self.db) + last_trans_id = self.getLastTransId(self.db) + self.assertEqual(([], 1, last_trans_id), + (self.other_changes, new_gen, last_trans_id)) + self.assertEqual(10, self.st.get_sync_info('replica')[3]) + + def test_sync_exchange_push_many(self): + """ + Modified to account for possibly receiving encrypted documents from + sever-side. + """ + docs_by_gen = [ + (self.make_document('doc-id', 'replica:1', tests.simple_doc), 10, + 'T-1'), + (self.make_document('doc-id2', 'replica:1', tests.nested_doc), 11, + 'T-2')] + new_gen, trans_id = self.st.sync_exchange( + docs_by_gen, 'replica', last_known_generation=0, + last_known_trans_id=None, return_doc_cb=self.receive_doc) + # decrypt doc1 for comparison if needed + tmpdoc1 = self.db.get_doc('doc-id') + if '_encryption_scheme' in tmpdoc1.content: + tmpdoc1.set_json( + decrypt_doc_json( + self._soledad._crypto, tmpdoc1.doc_id, + tmpdoc1.get_json())) + self.assertEqual(tmpdoc1.rev, 'replica:1') + self.assertEqual(tmpdoc1.content, json.loads(tests.simple_doc)) + self.assertFalse(tmpdoc1.has_conflicts) + # decrypt doc2 for comparison if needed + tmpdoc2 = self.db.get_doc('doc-id2') + if '_encryption_scheme' in tmpdoc2.content: + tmpdoc2.set_json( + decrypt_doc_json( + self._soledad._crypto, tmpdoc2.doc_id, + tmpdoc2.get_json())) + self.assertEqual(tmpdoc2.rev, 'replica:1') + self.assertEqual(tmpdoc2.content, json.loads(tests.nested_doc)) + self.assertFalse(tmpdoc2.has_conflicts) + self.assertTransactionLog(['doc-id', 'doc-id2'], self.db) + last_trans_id = self.getLastTransId(self.db) + self.assertEqual(([], 2, last_trans_id), + (self.other_changes, new_gen, trans_id)) + self.assertEqual(11, self.st.get_sync_info('replica')[3]) + + def test_sync_exchange_returns_many_new_docs(self): + """ + Modified to account for JSON serialization differences. + """ + doc = self.db.create_doc_from_json(tests.simple_doc) + doc2 = self.db.create_doc_from_json(tests.nested_doc) + self.assertTransactionLog([doc.doc_id, doc2.doc_id], self.db) + new_gen, _ = self.st.sync_exchange( + [], 'other-replica', last_known_generation=0, + last_known_trans_id=None, return_doc_cb=self.receive_doc) + self.assertTransactionLog([doc.doc_id, doc2.doc_id], self.db) + self.assertEqual(2, new_gen) + self.assertEqual( + [(doc.doc_id, doc.rev, 1), + (doc2.doc_id, doc2.rev, 2)], + [c[:2]+c[3:4] for c in self.other_changes]) + self.assertEqual( + json.dumps(tests.simple_doc), + json.dumps(self.other_changes[0][2])) + self.assertEqual( + json.loads(tests.nested_doc), + json.loads(self.other_changes[1][2])) + if self.whitebox: + self.assertEqual( + self.db._last_exchange_log['return'], + {'last_gen': 2, 'docs': + [(doc.doc_id, doc.rev), (doc2.doc_id, doc2.rev)]}) + #----------------------------------------------------------------------------- # Tests for actual encryption of the database |