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test_encryption.py
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test_encryption.py
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# Copyright 2019-present MongoDB, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Test client side encryption spec."""
import base64
import copy
import os
import traceback
import socket
import sys
import textwrap
import uuid
sys.path[0:0] = [""]
from bson import encode, json_util
from bson.binary import (Binary,
JAVA_LEGACY,
STANDARD,
UUID_SUBTYPE)
from bson.codec_options import CodecOptions
from bson.errors import BSONError
from bson.json_util import JSONOptions
from bson.son import SON
from pymongo.cursor import CursorType
from pymongo.encryption import (Algorithm,
ClientEncryption)
from pymongo.encryption_options import AutoEncryptionOpts, _HAVE_PYMONGOCRYPT
from pymongo.errors import (BulkWriteError,
ConfigurationError,
EncryptionError,
InvalidOperation,
OperationFailure,
WriteError)
from pymongo.mongo_client import MongoClient
from pymongo.operations import InsertOne
from pymongo.write_concern import WriteConcern
from test import unittest, IntegrationTest, PyMongoTestCase, client_context
from test.utils import (TestCreator,
camel_to_snake_args,
OvertCommandListener,
TopologyEventListener,
WhiteListEventListener,
rs_or_single_client,
wait_until)
from test.utils_spec_runner import SpecRunner
def get_client_opts(client):
return client._MongoClient__options
KMS_PROVIDERS = {'local': {'key': b'\x00'*96}}
class TestAutoEncryptionOpts(PyMongoTestCase):
@unittest.skipIf(_HAVE_PYMONGOCRYPT, 'pymongocrypt is installed')
def test_init_requires_pymongocrypt(self):
with self.assertRaises(ConfigurationError):
AutoEncryptionOpts({}, 'keyvault.datakeys')
@unittest.skipUnless(_HAVE_PYMONGOCRYPT, 'pymongocrypt is not installed')
def test_init(self):
opts = AutoEncryptionOpts({}, 'keyvault.datakeys')
self.assertEqual(opts._kms_providers, {})
self.assertEqual(opts._key_vault_namespace, 'keyvault.datakeys')
self.assertEqual(opts._key_vault_client, None)
self.assertEqual(opts._schema_map, None)
self.assertEqual(opts._bypass_auto_encryption, False)
self.assertEqual(opts._mongocryptd_uri, 'mongodb://localhost:27020')
self.assertEqual(opts._mongocryptd_bypass_spawn, False)
self.assertEqual(opts._mongocryptd_spawn_path, 'mongocryptd')
self.assertEqual(
opts._mongocryptd_spawn_args, ['--idleShutdownTimeoutSecs=60'])
@unittest.skipUnless(_HAVE_PYMONGOCRYPT, 'pymongocrypt is not installed')
def test_init_spawn_args(self):
# User can override idleShutdownTimeoutSecs
opts = AutoEncryptionOpts(
{}, 'keyvault.datakeys',
mongocryptd_spawn_args=['--idleShutdownTimeoutSecs=88'])
self.assertEqual(
opts._mongocryptd_spawn_args, ['--idleShutdownTimeoutSecs=88'])
# idleShutdownTimeoutSecs is added by default
opts = AutoEncryptionOpts(
{}, 'keyvault.datakeys', mongocryptd_spawn_args=[])
self.assertEqual(
opts._mongocryptd_spawn_args, ['--idleShutdownTimeoutSecs=60'])
# Also added when other options are given
opts = AutoEncryptionOpts(
{}, 'keyvault.datakeys',
mongocryptd_spawn_args=['--quiet', '--port=27020'])
self.assertEqual(
opts._mongocryptd_spawn_args,
['--quiet', '--port=27020', '--idleShutdownTimeoutSecs=60'])
class TestClientOptions(PyMongoTestCase):
def test_default(self):
client = MongoClient(connect=False)
self.addCleanup(client.close)
self.assertEqual(get_client_opts(client).auto_encryption_opts, None)
client = MongoClient(auto_encryption_opts=None, connect=False)
self.addCleanup(client.close)
self.assertEqual(get_client_opts(client).auto_encryption_opts, None)
@unittest.skipUnless(_HAVE_PYMONGOCRYPT, 'pymongocrypt is not installed')
def test_kwargs(self):
opts = AutoEncryptionOpts(KMS_PROVIDERS, 'keyvault.datakeys')
client = MongoClient(auto_encryption_opts=opts, connect=False)
self.addCleanup(client.close)
self.assertEqual(get_client_opts(client).auto_encryption_opts, opts)
class EncryptionIntegrationTest(IntegrationTest):
"""Base class for encryption integration tests."""
@classmethod
@unittest.skipUnless(_HAVE_PYMONGOCRYPT, 'pymongocrypt is not installed')
@client_context.require_version_min(4, 2, -1)
def setUpClass(cls):
super(EncryptionIntegrationTest, cls).setUpClass()
def assertEncrypted(self, val):
self.assertIsInstance(val, Binary)
self.assertEqual(val.subtype, 6)
def assertBinaryUUID(self, val):
self.assertIsInstance(val, Binary)
self.assertEqual(val.subtype, UUID_SUBTYPE)
# Location of JSON test files.
BASE = os.path.join(
os.path.dirname(os.path.realpath(__file__)), 'client-side-encryption')
SPEC_PATH = os.path.join(BASE, 'spec')
OPTS = CodecOptions(uuid_representation=STANDARD)
# Use SON to preserve the order of fields while parsing json. Use tz_aware
# =False to match how CodecOptions decodes dates.
JSON_OPTS = JSONOptions(document_class=SON, uuid_representation=STANDARD,
tz_aware=False)
def read(*paths):
with open(os.path.join(BASE, *paths)) as fp:
return fp.read()
def json_data(*paths):
return json_util.loads(read(*paths), json_options=JSON_OPTS)
def bson_data(*paths):
return encode(json_data(*paths), codec_options=OPTS)
class TestClientSimple(EncryptionIntegrationTest):
def _test_auto_encrypt(self, opts):
client = rs_or_single_client(auto_encryption_opts=opts)
self.addCleanup(client.close)
# Create the encrypted field's data key.
key_vault = create_key_vault(
self.client.keyvault.datakeys,
json_data('custom', 'key-document-local.json'))
self.addCleanup(key_vault.drop)
# Collection.insert_one/insert_many auto encrypts.
docs = [{'_id': 0, 'ssn': '000'},
{'_id': 1, 'ssn': '111'},
{'_id': 2, 'ssn': '222'},
{'_id': 3, 'ssn': '333'},
{'_id': 4, 'ssn': '444'},
{'_id': 5, 'ssn': '555'}]
encrypted_coll = client.pymongo_test.test
encrypted_coll.insert_one(docs[0])
encrypted_coll.insert_many(docs[1:3])
unack = encrypted_coll.with_options(write_concern=WriteConcern(w=0))
unack.insert_one(docs[3])
unack.insert_many(docs[4:], ordered=False)
wait_until(lambda: self.db.test.count_documents({}) == len(docs),
'insert documents with w=0')
# Database.command auto decrypts.
res = client.pymongo_test.command(
'find', 'test', filter={'ssn': '000'})
decrypted_docs = res['cursor']['firstBatch']
self.assertEqual(decrypted_docs, [{'_id': 0, 'ssn': '000'}])
# Collection.find auto decrypts.
decrypted_docs = list(encrypted_coll.find())
self.assertEqual(decrypted_docs, docs)
# Collection.find auto decrypts getMores.
decrypted_docs = list(encrypted_coll.find(batch_size=1))
self.assertEqual(decrypted_docs, docs)
# Collection.aggregate auto decrypts.
decrypted_docs = list(encrypted_coll.aggregate([]))
self.assertEqual(decrypted_docs, docs)
# Collection.aggregate auto decrypts getMores.
decrypted_docs = list(encrypted_coll.aggregate([], batchSize=1))
self.assertEqual(decrypted_docs, docs)
# Collection.distinct auto decrypts.
decrypted_ssns = encrypted_coll.distinct('ssn')
self.assertEqual(set(decrypted_ssns), set(d['ssn'] for d in docs))
# Make sure the field is actually encrypted.
for encrypted_doc in self.db.test.find():
self.assertIsInstance(encrypted_doc['_id'], int)
self.assertEncrypted(encrypted_doc['ssn'])
# Attempt to encrypt an unencodable object.
with self.assertRaises(BSONError):
encrypted_coll.insert_one({'unencodeable': object()})
def test_auto_encrypt(self):
# Configure the encrypted field via jsonSchema.
json_schema = json_data('custom', 'schema.json')
create_with_schema(self.db.test, json_schema)
self.addCleanup(self.db.test.drop)
opts = AutoEncryptionOpts(KMS_PROVIDERS, 'keyvault.datakeys')
self._test_auto_encrypt(opts)
def test_auto_encrypt_local_schema_map(self):
# Configure the encrypted field via the local schema_map option.
schemas = {'pymongo_test.test': json_data('custom', 'schema.json')}
opts = AutoEncryptionOpts(
KMS_PROVIDERS, 'keyvault.datakeys', schema_map=schemas)
self._test_auto_encrypt(opts)
def test_use_after_close(self):
opts = AutoEncryptionOpts(KMS_PROVIDERS, 'keyvault.datakeys')
client = rs_or_single_client(auto_encryption_opts=opts)
self.addCleanup(client.close)
client.admin.command('isMaster')
client.close()
with self.assertRaisesRegex(InvalidOperation,
'Cannot use MongoClient after close'):
client.admin.command('isMaster')
class TestClientMaxWireVersion(IntegrationTest):
@classmethod
@unittest.skipUnless(_HAVE_PYMONGOCRYPT, 'pymongocrypt is not installed')
def setUpClass(cls):
super(TestClientMaxWireVersion, cls).setUpClass()
@client_context.require_version_max(4, 0, 99)
def test_raise_max_wire_version_error(self):
opts = AutoEncryptionOpts(KMS_PROVIDERS, 'keyvault.datakeys')
client = rs_or_single_client(auto_encryption_opts=opts)
self.addCleanup(client.close)
msg = 'Auto-encryption requires a minimum MongoDB version of 4.2'
with self.assertRaisesRegex(ConfigurationError, msg):
client.test.test.insert_one({})
with self.assertRaisesRegex(ConfigurationError, msg):
client.admin.command('isMaster')
with self.assertRaisesRegex(ConfigurationError, msg):
client.test.test.find_one({})
with self.assertRaisesRegex(ConfigurationError, msg):
client.test.test.bulk_write([InsertOne({})])
def test_raise_unsupported_error(self):
opts = AutoEncryptionOpts(KMS_PROVIDERS, 'keyvault.datakeys')
client = rs_or_single_client(auto_encryption_opts=opts)
self.addCleanup(client.close)
msg = 'find_raw_batches does not support auto encryption'
with self.assertRaisesRegex(InvalidOperation, msg):
client.test.test.find_raw_batches({})
msg = 'aggregate_raw_batches does not support auto encryption'
with self.assertRaisesRegex(InvalidOperation, msg):
client.test.test.aggregate_raw_batches([])
if client_context.is_mongos:
msg = 'Exhaust cursors are not supported by mongos'
else:
msg = 'exhaust cursors do not support auto encryption'
with self.assertRaisesRegex(InvalidOperation, msg):
next(client.test.test.find(cursor_type=CursorType.EXHAUST))
class TestExplicitSimple(EncryptionIntegrationTest):
def test_encrypt_decrypt(self):
client_encryption = ClientEncryption(
KMS_PROVIDERS, 'keyvault.datakeys', client_context.client, OPTS)
self.addCleanup(client_encryption.close)
# Use standard UUID representation.
key_vault = client_context.client.keyvault.get_collection(
'datakeys', codec_options=OPTS)
self.addCleanup(key_vault.drop)
# Create the encrypted field's data key.
key_id = client_encryption.create_data_key(
'local', key_alt_names=['name'])
self.assertBinaryUUID(key_id)
self.assertTrue(key_vault.find_one({'_id': key_id}))
# Create an unused data key to make sure filtering works.
unused_key_id = client_encryption.create_data_key(
'local', key_alt_names=['unused'])
self.assertBinaryUUID(unused_key_id)
self.assertTrue(key_vault.find_one({'_id': unused_key_id}))
doc = {'_id': 0, 'ssn': '000'}
encrypted_ssn = client_encryption.encrypt(
doc['ssn'], Algorithm.AEAD_AES_256_CBC_HMAC_SHA_512_Deterministic,
key_id=key_id)
# Ensure encryption via key_alt_name for the same key produces the
# same output.
encrypted_ssn2 = client_encryption.encrypt(
doc['ssn'], Algorithm.AEAD_AES_256_CBC_HMAC_SHA_512_Deterministic,
key_alt_name='name')
self.assertEqual(encrypted_ssn, encrypted_ssn2)
# Test decryption.
decrypted_ssn = client_encryption.decrypt(encrypted_ssn)
self.assertEqual(decrypted_ssn, doc['ssn'])
def test_validation(self):
client_encryption = ClientEncryption(
KMS_PROVIDERS, 'keyvault.datakeys', client_context.client, OPTS)
self.addCleanup(client_encryption.close)
msg = 'value to decrypt must be a bson.binary.Binary with subtype 6'
with self.assertRaisesRegex(TypeError, msg):
client_encryption.decrypt('str')
with self.assertRaisesRegex(TypeError, msg):
client_encryption.decrypt(Binary(b'123'))
msg = 'key_id must be a bson.binary.Binary with subtype 4'
algo = Algorithm.AEAD_AES_256_CBC_HMAC_SHA_512_Deterministic
with self.assertRaisesRegex(TypeError, msg):
client_encryption.encrypt('str', algo, key_id=uuid.uuid4())
with self.assertRaisesRegex(TypeError, msg):
client_encryption.encrypt('str', algo, key_id=Binary(b'123'))
def test_bson_errors(self):
client_encryption = ClientEncryption(
KMS_PROVIDERS, 'keyvault.datakeys', client_context.client, OPTS)
self.addCleanup(client_encryption.close)
# Attempt to encrypt an unencodable object.
unencodable_value = object()
with self.assertRaises(BSONError):
client_encryption.encrypt(
unencodable_value,
Algorithm.AEAD_AES_256_CBC_HMAC_SHA_512_Deterministic,
key_id=Binary(uuid.uuid4().bytes, UUID_SUBTYPE))
def test_codec_options(self):
with self.assertRaisesRegex(TypeError, 'codec_options must be'):
ClientEncryption(
KMS_PROVIDERS, 'keyvault.datakeys', client_context.client, None)
opts = CodecOptions(uuid_representation=JAVA_LEGACY)
client_encryption_legacy = ClientEncryption(
KMS_PROVIDERS, 'keyvault.datakeys', client_context.client, opts)
self.addCleanup(client_encryption_legacy.close)
# Create the encrypted field's data key.
key_id = client_encryption_legacy.create_data_key('local')
# Encrypt a UUID with JAVA_LEGACY codec options.
value = uuid.uuid4()
encrypted_legacy = client_encryption_legacy.encrypt(
value, Algorithm.AEAD_AES_256_CBC_HMAC_SHA_512_Deterministic,
key_id=key_id)
decrypted_value_legacy = client_encryption_legacy.decrypt(
encrypted_legacy)
self.assertEqual(decrypted_value_legacy, value)
# Encrypt the same UUID with STANDARD codec options.
client_encryption = ClientEncryption(
KMS_PROVIDERS, 'keyvault.datakeys', client_context.client, OPTS)
self.addCleanup(client_encryption.close)
encrypted_standard = client_encryption.encrypt(
value, Algorithm.AEAD_AES_256_CBC_HMAC_SHA_512_Deterministic,
key_id=key_id)
decrypted_standard = client_encryption.decrypt(encrypted_standard)
self.assertEqual(decrypted_standard, value)
# Test that codec_options is applied during encryption.
self.assertNotEqual(encrypted_standard, encrypted_legacy)
# Test that codec_options is applied during decryption.
self.assertEqual(
client_encryption_legacy.decrypt(encrypted_standard), value)
self.assertNotEqual(
client_encryption.decrypt(encrypted_legacy), value)
def test_close(self):
client_encryption = ClientEncryption(
KMS_PROVIDERS, 'keyvault.datakeys', client_context.client, OPTS)
client_encryption.close()
# Close can be called multiple times.
client_encryption.close()
algo = Algorithm.AEAD_AES_256_CBC_HMAC_SHA_512_Deterministic
msg = 'Cannot use closed ClientEncryption'
with self.assertRaisesRegex(InvalidOperation, msg):
client_encryption.create_data_key('local')
with self.assertRaisesRegex(InvalidOperation, msg):
client_encryption.encrypt('val', algo, key_alt_name='name')
with self.assertRaisesRegex(InvalidOperation, msg):
client_encryption.decrypt(Binary(b'', 6))
def test_with_statement(self):
with ClientEncryption(
KMS_PROVIDERS, 'keyvault.datakeys',
client_context.client, OPTS) as client_encryption:
pass
with self.assertRaisesRegex(
InvalidOperation, 'Cannot use closed ClientEncryption'):
client_encryption.create_data_key('local')
# Spec tests
AWS_CREDS = {
'accessKeyId': os.environ.get('FLE_AWS_KEY', ''),
'secretAccessKey': os.environ.get('FLE_AWS_SECRET', '')
}
AWS_TEMP_CREDS = {
'accessKeyId': os.environ.get('CSFLE_AWS_TEMP_ACCESS_KEY_ID', ''),
'secretAccessKey': os.environ.get('CSFLE_AWS_TEMP_SECRET_ACCESS_KEY', ''),
'sessionToken': os.environ.get('CSFLE_AWS_TEMP_SESSION_TOKEN', '')
}
AWS_TEMP_NO_SESSION_CREDS = {
'accessKeyId': os.environ.get('CSFLE_AWS_TEMP_ACCESS_KEY_ID', ''),
'secretAccessKey': os.environ.get('CSFLE_AWS_TEMP_SECRET_ACCESS_KEY', '')
}
AZURE_CREDS = {
'tenantId': os.environ.get('FLE_AZURE_TENANTID', ''),
'clientId': os.environ.get('FLE_AZURE_CLIENTID', ''),
'clientSecret': os.environ.get('FLE_AZURE_CLIENTSECRET', '')}
GCP_CREDS = {
'email': os.environ.get('FLE_GCP_EMAIL', ''),
'privateKey': os.environ.get('FLE_GCP_PRIVATEKEY', '')}
class TestSpec(SpecRunner):
@classmethod
@unittest.skipUnless(_HAVE_PYMONGOCRYPT, 'pymongocrypt is not installed')
@client_context.require_version_min(3, 6) # SpecRunner requires sessions.
def setUpClass(cls):
super(TestSpec, cls).setUpClass()
def parse_auto_encrypt_opts(self, opts):
"""Parse clientOptions.autoEncryptOpts."""
opts = camel_to_snake_args(opts)
kms_providers = opts['kms_providers']
if 'aws' in kms_providers:
kms_providers['aws'] = AWS_CREDS
if not any(AWS_CREDS.values()):
self.skipTest('AWS environment credentials are not set')
if 'awsTemporary' in kms_providers:
kms_providers['aws'] = AWS_TEMP_CREDS
del kms_providers['awsTemporary']
if not any(AWS_TEMP_CREDS.values()):
self.skipTest('AWS Temp environment credentials are not set')
if 'awsTemporaryNoSessionToken' in kms_providers:
kms_providers['aws'] = AWS_TEMP_NO_SESSION_CREDS
del kms_providers['awsTemporaryNoSessionToken']
if not any(AWS_TEMP_NO_SESSION_CREDS.values()):
self.skipTest('AWS Temp environment credentials are not set')
if 'azure' in kms_providers:
kms_providers['azure'] = AZURE_CREDS
if not any(AZURE_CREDS.values()):
self.skipTest('Azure environment credentials are not set')
if 'gcp' in kms_providers:
kms_providers['gcp'] = GCP_CREDS
if not any(AZURE_CREDS.values()):
self.skipTest('GCP environment credentials are not set')
if 'key_vault_namespace' not in opts:
opts['key_vault_namespace'] = 'keyvault.datakeys'
opts = dict(opts)
return AutoEncryptionOpts(**opts)
def parse_client_options(self, opts):
"""Override clientOptions parsing to support autoEncryptOpts."""
encrypt_opts = opts.pop('autoEncryptOpts')
if encrypt_opts:
opts['auto_encryption_opts'] = self.parse_auto_encrypt_opts(
encrypt_opts)
return super(TestSpec, self).parse_client_options(opts)
def get_object_name(self, op):
"""Default object is collection."""
return op.get('object', 'collection')
def maybe_skip_scenario(self, test):
super(TestSpec, self).maybe_skip_scenario(test)
desc = test['description'].lower()
if 'type=symbol' in desc:
self.skipTest('PyMongo does not support the symbol type')
def setup_scenario(self, scenario_def):
"""Override a test's setup."""
key_vault_data = scenario_def['key_vault_data']
if key_vault_data:
coll = client_context.client.get_database(
'keyvault',
write_concern=WriteConcern(w='majority'),
codec_options=OPTS)['datakeys']
coll.drop()
coll.insert_many(key_vault_data)
db_name = self.get_scenario_db_name(scenario_def)
coll_name = self.get_scenario_coll_name(scenario_def)
db = client_context.client.get_database(
db_name, write_concern=WriteConcern(w='majority'),
codec_options=OPTS)
coll = db[coll_name]
coll.drop()
json_schema = scenario_def['json_schema']
if json_schema:
db.create_collection(
coll_name,
validator={'$jsonSchema': json_schema}, codec_options=OPTS)
else:
db.create_collection(coll_name)
if scenario_def['data']:
# Load data.
coll.insert_many(scenario_def['data'])
def allowable_errors(self, op):
"""Override expected error classes."""
errors = super(TestSpec, self).allowable_errors(op)
# An updateOne test expects encryption to error when no $ operator
# appears but pymongo raises a client side ValueError in this case.
if op['name'] == 'updateOne':
errors += (ValueError,)
return errors
def create_test(scenario_def, test, name):
@client_context.require_test_commands
def run_scenario(self):
self.run_scenario(scenario_def, test)
return run_scenario
test_creator = TestCreator(create_test, TestSpec, SPEC_PATH)
test_creator.create_tests()
# Prose Tests
LOCAL_MASTER_KEY = base64.b64decode(
b'Mng0NCt4ZHVUYUJCa1kxNkVyNUR1QURhZ2h2UzR2d2RrZzh0cFBwM3R6NmdWMDFBMUN3YkQ'
b'5aXRRMkhGRGdQV09wOGVNYUMxT2k3NjZKelhaQmRCZGJkTXVyZG9uSjFk')
LOCAL_KEY_ID = Binary(
base64.b64decode(b'LOCALAAAAAAAAAAAAAAAAA=='), UUID_SUBTYPE)
AWS_KEY_ID = Binary(
base64.b64decode(b'AWSAAAAAAAAAAAAAAAAAAA=='), UUID_SUBTYPE)
AZURE_KEY_ID = Binary(
base64.b64decode(b'AZUREAAAAAAAAAAAAAAAAA=='), UUID_SUBTYPE)
GCP_KEY_ID = Binary(
base64.b64decode(b'GCPAAAAAAAAAAAAAAAAAAA=='), UUID_SUBTYPE)
def create_with_schema(coll, json_schema):
"""Create and return a Collection with a jsonSchema."""
coll.with_options(write_concern=WriteConcern(w='majority')).drop()
return coll.database.create_collection(
coll.name, validator={'$jsonSchema': json_schema}, codec_options=OPTS)
def create_key_vault(vault, *data_keys):
"""Create the key vault collection with optional data keys."""
vault = vault.with_options(
write_concern=WriteConcern(w='majority'),
codec_options=OPTS)
vault.drop()
if data_keys:
vault.insert_many(data_keys)
return vault
class TestDataKeyDoubleEncryption(EncryptionIntegrationTest):
KMS_PROVIDERS = {'aws': AWS_CREDS,
'azure': AZURE_CREDS,
'gcp': GCP_CREDS,
'local': {'key': LOCAL_MASTER_KEY}}
MASTER_KEYS = {
'aws': {
'region': 'us-east-1',
'key': 'arn:aws:kms:us-east-1:579766882180:key/89fcc2c4-08b0-'
'4bd9-9f25-e30687b580d0'},
'azure': {
'keyVaultEndpoint': 'key-vault-csfle.vault.azure.net',
'keyName': 'key-name-csfle'},
'gcp': {
'projectId': 'devprod-drivers',
'location': 'global',
'keyRing': 'key-ring-csfle',
'keyName': 'key-name-csfle'},
'local': None
}
@classmethod
@unittest.skipUnless(any([all(AWS_CREDS.values()),
all(AZURE_CREDS.values()),
all(GCP_CREDS.values())]),
'No environment credentials are set')
def setUpClass(cls):
super(TestDataKeyDoubleEncryption, cls).setUpClass()
cls.listener = OvertCommandListener()
cls.client = rs_or_single_client(event_listeners=[cls.listener])
cls.client.db.coll.drop()
cls.vault = create_key_vault(cls.client.keyvault.datakeys)
# Configure the encrypted field via the local schema_map option.
schemas = {
"db.coll": {
"bsonType": "object",
"properties": {
"encrypted_placeholder": {
"encrypt": {
"keyId": "/placeholder",
"bsonType": "string",
"algorithm": "AEAD_AES_256_CBC_HMAC_SHA_512-Random"
}
}
}
}
}
opts = AutoEncryptionOpts(
cls.KMS_PROVIDERS, 'keyvault.datakeys', schema_map=schemas)
cls.client_encrypted = rs_or_single_client(
auto_encryption_opts=opts, uuidRepresentation='standard')
cls.client_encryption = ClientEncryption(
cls.KMS_PROVIDERS, 'keyvault.datakeys', cls.client, OPTS)
@classmethod
def tearDownClass(cls):
cls.vault.drop()
cls.client.close()
cls.client_encrypted.close()
cls.client_encryption.close()
def setUp(self):
self.listener.reset()
def run_test(self, provider_name):
# Create data key.
master_key = self.MASTER_KEYS[provider_name]
datakey_id = self.client_encryption.create_data_key(
provider_name, master_key=master_key,
key_alt_names=['%s_altname' % (provider_name,)])
self.assertBinaryUUID(datakey_id)
cmd = self.listener.results['started'][-1]
self.assertEqual('insert', cmd.command_name)
self.assertEqual({'w': 'majority'}, cmd.command.get('writeConcern'))
docs = list(self.vault.find({'_id': datakey_id}))
self.assertEqual(len(docs), 1)
self.assertEqual(docs[0]['masterKey']['provider'], provider_name)
# Encrypt by key_id.
encrypted = self.client_encryption.encrypt(
'hello %s' % (provider_name,),
Algorithm.AEAD_AES_256_CBC_HMAC_SHA_512_Deterministic,
key_id=datakey_id)
self.assertEncrypted(encrypted)
self.client_encrypted.db.coll.insert_one(
{'_id': provider_name, 'value': encrypted})
doc_decrypted = self.client_encrypted.db.coll.find_one(
{'_id': provider_name})
self.assertEqual(doc_decrypted['value'], 'hello %s' % (provider_name,))
# Encrypt by key_alt_name.
encrypted_altname = self.client_encryption.encrypt(
'hello %s' % (provider_name,),
Algorithm.AEAD_AES_256_CBC_HMAC_SHA_512_Deterministic,
key_alt_name='%s_altname' % (provider_name,))
self.assertEqual(encrypted_altname, encrypted)
# Explicitly encrypting an auto encrypted field.
msg = (r'Cannot encrypt element of type binData because schema '
r'requires that type is one of: \[ string \]')
with self.assertRaisesRegex(EncryptionError, msg):
self.client_encrypted.db.coll.insert_one(
{'encrypted_placeholder': encrypted})
def test_data_key_local(self):
self.run_test('local')
@unittest.skipUnless(any(AWS_CREDS.values()),
'AWS environment credentials are not set')
def test_data_key_aws(self):
self.run_test('aws')
@unittest.skipUnless(any(AZURE_CREDS.values()),
'Azure environment credentials are not set')
def test_data_key_azure(self):
self.run_test('azure')
@unittest.skipUnless(any(GCP_CREDS.values()),
'GCP environment credentials are not set')
def test_data_key_gcp(self):
self.run_test('gcp')
class TestExternalKeyVault(EncryptionIntegrationTest):
@staticmethod
def kms_providers():
return {'local': {'key': LOCAL_MASTER_KEY}}
def _test_external_key_vault(self, with_external_key_vault):
self.client.db.coll.drop()
vault = create_key_vault(
self.client.keyvault.datakeys,
json_data('corpus', 'corpus-key-local.json'),
json_data('corpus', 'corpus-key-aws.json'))
self.addCleanup(vault.drop)
# Configure the encrypted field via the local schema_map option.
schemas = {'db.coll': json_data('external', 'external-schema.json')}
if with_external_key_vault:
key_vault_client = rs_or_single_client(
username='fake-user', password='fake-pwd')
self.addCleanup(key_vault_client.close)
else:
key_vault_client = client_context.client
opts = AutoEncryptionOpts(
self.kms_providers(), 'keyvault.datakeys', schema_map=schemas,
key_vault_client=key_vault_client)
client_encrypted = rs_or_single_client(
auto_encryption_opts=opts, uuidRepresentation='standard')
self.addCleanup(client_encrypted.close)
client_encryption = ClientEncryption(
self.kms_providers(), 'keyvault.datakeys', key_vault_client, OPTS)
self.addCleanup(client_encryption.close)
if with_external_key_vault:
# Authentication error.
with self.assertRaises(EncryptionError) as ctx:
client_encrypted.db.coll.insert_one({"encrypted": "test"})
# AuthenticationFailed error.
self.assertIsInstance(ctx.exception.cause, OperationFailure)
self.assertEqual(ctx.exception.cause.code, 18)
else:
client_encrypted.db.coll.insert_one({"encrypted": "test"})
if with_external_key_vault:
# Authentication error.
with self.assertRaises(EncryptionError) as ctx:
client_encryption.encrypt(
"test",
Algorithm.AEAD_AES_256_CBC_HMAC_SHA_512_Deterministic,
key_id=LOCAL_KEY_ID)
# AuthenticationFailed error.
self.assertIsInstance(ctx.exception.cause, OperationFailure)
self.assertEqual(ctx.exception.cause.code, 18)
else:
client_encryption.encrypt(
"test", Algorithm.AEAD_AES_256_CBC_HMAC_SHA_512_Deterministic,
key_id=LOCAL_KEY_ID)
def test_external_key_vault_1(self):
self._test_external_key_vault(True)
def test_external_key_vault_2(self):
self._test_external_key_vault(False)
class TestViews(EncryptionIntegrationTest):
@staticmethod
def kms_providers():
return {'local': {'key': LOCAL_MASTER_KEY}}
def test_views_are_prohibited(self):
self.client.db.view.drop()
self.client.db.create_collection('view', viewOn='coll')
self.addCleanup(self.client.db.view.drop)
opts = AutoEncryptionOpts(self.kms_providers(), 'keyvault.datakeys')
client_encrypted = rs_or_single_client(
auto_encryption_opts=opts, uuidRepresentation='standard')
self.addCleanup(client_encrypted.close)
with self.assertRaisesRegex(
EncryptionError, 'cannot auto encrypt a view'):
client_encrypted.db.view.insert_one({})
class TestCorpus(EncryptionIntegrationTest):
@classmethod
@unittest.skipUnless(any(AWS_CREDS.values()),
'AWS environment credentials are not set')
def setUpClass(cls):
super(TestCorpus, cls).setUpClass()
@staticmethod
def kms_providers():
return {'aws': AWS_CREDS,
'azure': AZURE_CREDS,
'gcp': GCP_CREDS,
'local': {'key': LOCAL_MASTER_KEY}}
@staticmethod
def fix_up_schema(json_schema):
"""Remove deprecated symbol/dbPointer types from json schema."""
for key in json_schema['properties'].keys():
if '_symbol_' in key or '_dbPointer_' in key:
del json_schema['properties'][key]
return json_schema
@staticmethod
def fix_up_curpus(corpus):
"""Disallow deprecated symbol/dbPointer types from corpus test."""
for key in corpus:
if '_symbol_' in key or '_dbPointer_' in key:
corpus[key]['allowed'] = False
return corpus
@staticmethod
def fix_up_curpus_encrypted(corpus_encrypted, corpus):
"""Fix the expected values for deprecated symbol/dbPointer types."""
for key in corpus_encrypted:
if '_symbol_' in key or '_dbPointer_' in key:
corpus_encrypted[key] = copy.deepcopy(corpus[key])
return corpus_encrypted
def _test_corpus(self, opts):
# Drop and create the collection 'db.coll' with jsonSchema.
coll = create_with_schema(
self.client.db.coll,
self.fix_up_schema(json_data('corpus', 'corpus-schema.json')))
self.addCleanup(coll.drop)
vault = create_key_vault(
self.client.keyvault.datakeys,
json_data('corpus', 'corpus-key-local.json'),
json_data('corpus', 'corpus-key-aws.json'),
json_data('corpus', 'corpus-key-azure.json'),
json_data('corpus', 'corpus-key-gcp.json'))
self.addCleanup(vault.drop)
client_encrypted = rs_or_single_client(
auto_encryption_opts=opts, uuidRepresentation='standard')
self.addCleanup(client_encrypted.close)
client_encryption = ClientEncryption(
self.kms_providers(), 'keyvault.datakeys', client_context.client,
OPTS)
self.addCleanup(client_encryption.close)
corpus = self.fix_up_curpus(json_data('corpus', 'corpus.json'))
corpus_copied = SON()
for key, value in corpus.items():
corpus_copied[key] = copy.deepcopy(value)
if key in ('_id', 'altname_aws', 'altname_azure', 'altname_gcp',
'altname_local'):
continue
if value['method'] == 'auto':
continue
if value['method'] == 'explicit':
identifier = value['identifier']
self.assertIn(identifier, ('id', 'altname'))
kms = value['kms']
self.assertIn(kms, ('local', 'aws', 'azure', 'gcp'))
if identifier == 'id':
if kms == 'local':
kwargs = dict(key_id=LOCAL_KEY_ID)
elif kms == 'aws':
kwargs = dict(key_id=AWS_KEY_ID)
elif kms == 'azure':
kwargs = dict(key_id=AZURE_KEY_ID)
else:
kwargs = dict(key_id=GCP_KEY_ID)
else:
kwargs = dict(key_alt_name=kms)
self.assertIn(value['algo'], ('det', 'rand'))
if value['algo'] == 'det':
algo = (Algorithm.
AEAD_AES_256_CBC_HMAC_SHA_512_Deterministic)
else:
algo = Algorithm.AEAD_AES_256_CBC_HMAC_SHA_512_Random
try:
encrypted_val = client_encryption.encrypt(
value['value'], algo, **kwargs)
if not value['allowed']:
self.fail('encrypt should have failed: %r: %r' % (
key, value))
corpus_copied[key]['value'] = encrypted_val
except Exception:
if value['allowed']:
tb = traceback.format_exc()
self.fail('encrypt failed: %r: %r, traceback: %s' % (
key, value, tb))
client_encrypted.db.coll.insert_one(corpus_copied)
corpus_decrypted = client_encrypted.db.coll.find_one()
self.assertEqual(corpus_decrypted, corpus)
corpus_encrypted_expected = self.fix_up_curpus_encrypted(json_data(
'corpus', 'corpus-encrypted.json'), corpus)
corpus_encrypted_actual = coll.find_one()
for key, value in corpus_encrypted_actual.items():
if key in ('_id', 'altname_aws', 'altname_azure',
'altname_gcp', 'altname_local'):
continue
if value['algo'] == 'det':
self.assertEqual(
value['value'], corpus_encrypted_expected[key]['value'],
key)
elif value['algo'] == 'rand' and value['allowed']:
self.assertNotEqual(
value['value'], corpus_encrypted_expected[key]['value'],
key)
if value['allowed']:
decrypt_actual = client_encryption.decrypt(value['value'])
decrypt_expected = client_encryption.decrypt(
corpus_encrypted_expected[key]['value'])
self.assertEqual(decrypt_actual, decrypt_expected, key)
else:
self.assertEqual(value['value'], corpus[key]['value'], key)
def test_corpus(self):
opts = AutoEncryptionOpts(self.kms_providers(), 'keyvault.datakeys')
self._test_corpus(opts)
def test_corpus_local_schema(self):
# Configure the encrypted field via the local schema_map option.
schemas = {'db.coll': self.fix_up_schema(
json_data('corpus', 'corpus-schema.json'))}
opts = AutoEncryptionOpts(
self.kms_providers(), 'keyvault.datakeys', schema_map=schemas)
self._test_corpus(opts)
_2_MiB = 2097152
_16_MiB = 16777216
class TestBsonSizeBatches(EncryptionIntegrationTest):
"""Prose tests for BSON size limits and batch splitting."""
@classmethod
def setUpClass(cls):
super(TestBsonSizeBatches, cls).setUpClass()
db = client_context.client.db
cls.coll = db.coll
cls.coll.drop()
# Configure the encrypted 'db.coll' collection via jsonSchema.
json_schema = json_data('limits', 'limits-schema.json')
db.create_collection(
'coll', validator={'$jsonSchema': json_schema}, codec_options=OPTS,
write_concern=WriteConcern(w='majority'))
# Create the key vault.
coll = client_context.client.get_database(
'keyvault',