+# Copyright 2018 Whitestack, LLC
+# Copyright 2018 Telefonica S.A.
+#
+# 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.
+#
+# For those usages not covered by the Apache License, Version 2.0 please
+# contact: esousa@whitestack.com or alfonso.tiernosepulveda@telefonica.com
+##
+import asyncio
+import copy
+from copy import deepcopy
import http
+from http import HTTPStatus
+import logging
+from os import urandom
+import unittest
+from unittest.mock import MagicMock, Mock, patch
+
+from Crypto.Cipher import AES
+from osm_common.dbbase import DbBase, DbException, deep_update, Encryption
import pytest
-from osm_common.dbbase import DbBase, DbException
+
+# Variables used in TestBaseEncryption and TestAsyncEncryption
+salt = "1afd5d1a-4a7e-4d9c-8c65-251290183106"
+value = "private key txt"
+padded_value = b"private key txt\0"
+padded_encoded_value = b"private key txt\x00"
+encoding_type = "ascii"
+encyrpt_mode = AES.MODE_ECB
+secret_key = b"\xeev\xc2\xb8\xb2#;Ek\xd0\xb5['\x04\xed\x1f\xb9?\xc5Ig\x80\xd5\x8d\x8aT\xd7\xf8Q\xe2u!"
+encyrpted_value = "ZW5jcnlwdGVkIGRhdGE="
+encyrpted_bytes = b"ZW5jcnlwdGVkIGRhdGE="
+data_to_b4_encode = b"encrypted data"
+b64_decoded = b"decrypted data"
+schema_version = "1.1"
+joined_key = b"\x9d\x17\xaf\xc8\xdeF\x1b.\x0e\xa9\xb5['\x04\xed\x1f\xb9?\xc5Ig\x80\xd5\x8d\x8aT\xd7\xf8Q\xe2u!"
+serial_bytes = b"\xf8\x96Z\x1c:}\xb5\xdf\x94\x8d\x0f\x807\xe6)\x8f\xf5!\xee}\xc2\xfa\xb3\t\xb9\xe4\r7\x19\x08\xa5b"
+base64_decoded_serial = b"g\xbe\xdb"
+decrypted_val1 = "BiV9YZEuSRAudqvz7Gs+bg=="
+decrypted_val2 = "q4LwnFdoryzbZJM5mCAnpA=="
+item = {
+ "secret": "mysecret",
+ "cacert": "mycacert",
+ "path": "/var",
+ "ip": "192.168.12.23",
+}
def exception_message(message):
def test_db_connect(db_base):
- db_base.db_connect(None)
+ with pytest.raises(DbException) as excinfo:
+ db_base.db_connect(None)
+ assert str(excinfo.value).startswith(
+ exception_message("Method 'db_connect' not implemented")
+ )
def test_db_disconnect(db_base):
def test_get_list(db_base):
with pytest.raises(DbException) as excinfo:
db_base.get_list(None, None)
- assert str(excinfo.value).startswith(exception_message("Method 'get_list' not implemented"))
+ assert str(excinfo.value).startswith(
+ exception_message("Method 'get_list' not implemented")
+ )
assert excinfo.value.http_code == http.HTTPStatus.NOT_FOUND
def test_get_one(db_base):
with pytest.raises(DbException) as excinfo:
db_base.get_one(None, None, None, None)
- assert str(excinfo.value).startswith(exception_message("Method 'get_one' not implemented"))
+ assert str(excinfo.value).startswith(
+ exception_message("Method 'get_one' not implemented")
+ )
assert excinfo.value.http_code == http.HTTPStatus.NOT_FOUND
def test_create(db_base):
with pytest.raises(DbException) as excinfo:
db_base.create(None, None)
- assert str(excinfo.value).startswith(exception_message("Method 'create' not implemented"))
+ assert str(excinfo.value).startswith(
+ exception_message("Method 'create' not implemented")
+ )
+ assert excinfo.value.http_code == http.HTTPStatus.NOT_FOUND
+
+
+def test_create_list(db_base):
+ with pytest.raises(DbException) as excinfo:
+ db_base.create_list(None, None)
+ assert str(excinfo.value).startswith(
+ exception_message("Method 'create_list' not implemented")
+ )
assert excinfo.value.http_code == http.HTTPStatus.NOT_FOUND
def test_del_list(db_base):
with pytest.raises(DbException) as excinfo:
db_base.del_list(None, None)
- assert str(excinfo.value).startswith(exception_message("Method 'del_list' not implemented"))
+ assert str(excinfo.value).startswith(
+ exception_message("Method 'del_list' not implemented")
+ )
assert excinfo.value.http_code == http.HTTPStatus.NOT_FOUND
def test_del_one(db_base):
with pytest.raises(DbException) as excinfo:
db_base.del_one(None, None, None)
- assert str(excinfo.value).startswith(exception_message("Method 'del_one' not implemented"))
+ assert str(excinfo.value).startswith(
+ exception_message("Method 'del_one' not implemented")
+ )
assert excinfo.value.http_code == http.HTTPStatus.NOT_FOUND
+
+
+class TestEncryption(unittest.TestCase):
+ def setUp(self):
+ master_key = "Setting a long master key with numbers 123 and capitals AGHBNHD and symbols %&8)!'"
+ db_base1 = DbBase()
+ db_base2 = DbBase()
+ db_base3 = DbBase()
+ # set self.secret_key obtained when connect
+ db_base1.set_secret_key(master_key, replace=True)
+ db_base1.set_secret_key(urandom(32))
+ db_base2.set_secret_key(None, replace=True)
+ db_base2.set_secret_key(urandom(30))
+ db_base3.set_secret_key(master_key)
+ self.db_bases = [db_base1, db_base2, db_base3]
+
+ def test_encrypt_decrypt(self):
+ TEST = (
+ ("plain text 1 ! ", None),
+ ("plain text 2 with salt ! ", "1afd5d1a-4a7e-4d9c-8c65-251290183106"),
+ )
+ for db_base in self.db_bases:
+ for value, salt in TEST:
+ # no encryption
+ encrypted = db_base.encrypt(value, schema_version="1.0", salt=salt)
+ self.assertEqual(
+ encrypted, value, "value '{}' has been encrypted".format(value)
+ )
+ decrypted = db_base.decrypt(encrypted, schema_version="1.0", salt=salt)
+ self.assertEqual(
+ decrypted, value, "value '{}' has been decrypted".format(value)
+ )
+
+ # encrypt/decrypt
+ encrypted = db_base.encrypt(value, schema_version="1.1", salt=salt)
+ self.assertNotEqual(
+ encrypted, value, "value '{}' has not been encrypted".format(value)
+ )
+ self.assertIsInstance(encrypted, str, "Encrypted is not ascii text")
+ decrypted = db_base.decrypt(encrypted, schema_version="1.1", salt=salt)
+ self.assertEqual(
+ decrypted, value, "value is not equal after encryption/decryption"
+ )
+
+ def test_encrypt_decrypt_salt(self):
+ value = "value to be encrypted!"
+ encrypted = []
+ for db_base in self.db_bases:
+ for salt in (None, "salt 1", "1afd5d1a-4a7e-4d9c-8c65-251290183106"):
+ # encrypt/decrypt
+ encrypted.append(
+ db_base.encrypt(value, schema_version="1.1", salt=salt)
+ )
+ self.assertNotEqual(
+ encrypted[-1],
+ value,
+ "value '{}' has not been encrypted".format(value),
+ )
+ self.assertIsInstance(encrypted[-1], str, "Encrypted is not ascii text")
+ decrypted = db_base.decrypt(
+ encrypted[-1], schema_version="1.1", salt=salt
+ )
+ self.assertEqual(
+ decrypted, value, "value is not equal after encryption/decryption"
+ )
+ for i in range(0, len(encrypted)):
+ for j in range(i + 1, len(encrypted)):
+ self.assertNotEqual(
+ encrypted[i],
+ encrypted[j],
+ "encryption with different salt must contain different result",
+ )
+ # decrypt with a different master key
+ try:
+ decrypted = self.db_bases[-1].decrypt(
+ encrypted[0], schema_version="1.1", salt=None
+ )
+ self.assertNotEqual(
+ encrypted[0],
+ decrypted,
+ "Decryption with different KEY must generate different result",
+ )
+ except DbException as e:
+ self.assertEqual(
+ e.http_code,
+ HTTPStatus.INTERNAL_SERVER_ERROR,
+ "Decryption with different KEY does not provide expected http_code",
+ )
+
+
+class AsyncMock(MagicMock):
+ async def __call__(self, *args, **kwargs):
+ args = deepcopy(args)
+ kwargs = deepcopy(kwargs)
+ return super(AsyncMock, self).__call__(*args, **kwargs)
+
+
+class CopyingMock(MagicMock):
+ def __call__(self, *args, **kwargs):
+ args = deepcopy(args)
+ kwargs = deepcopy(kwargs)
+ return super(CopyingMock, self).__call__(*args, **kwargs)
+
+
+def check_if_assert_not_called(mocks: list):
+ for mocking in mocks:
+ mocking.assert_not_called()
+
+
+class TestBaseEncryption(unittest.TestCase):
+ @patch("logging.getLogger", autospec=True)
+ def setUp(self, mock_logger):
+ mock_logger = logging.getLogger()
+ mock_logger.disabled = True
+ self.db_base = DbBase()
+ self.mock_cipher = CopyingMock()
+ self.db_base.encoding_type = encoding_type
+ self.db_base.encrypt_mode = encyrpt_mode
+ self.db_base.secret_key = secret_key
+ self.mock_padded_msg = CopyingMock()
+
+ def test_pad_data_len_not_multiplication_of_16(self):
+ data = "hello word hello hello word hello word"
+ data_len = len(data)
+ expected_len = 48
+ padded = self.db_base.pad_data(data)
+ self.assertEqual(len(padded), expected_len)
+ self.assertTrue("\0" * (expected_len - data_len) in padded)
+
+ def test_pad_data_len_multiplication_of_16(self):
+ data = "hello word!!!!!!"
+ padded = self.db_base.pad_data(data)
+ self.assertEqual(padded, data)
+ self.assertFalse("\0" in padded)
+
+ def test_pad_data_empty_string(self):
+ data = ""
+ expected_len = 0
+ padded = self.db_base.pad_data(data)
+ self.assertEqual(len(padded), expected_len)
+ self.assertFalse("\0" in padded)
+
+ def test_pad_data_not_string(self):
+ data = None
+ with self.assertRaises(Exception) as err:
+ self.db_base.pad_data(data)
+ self.assertEqual(
+ str(err.exception),
+ "database exception Incorrect data type: type(None), string is expected.",
+ )
+
+ def test_unpad_data_null_char_at_right(self):
+ null_padded_data = "hell0word\0\0"
+ expected_length = len(null_padded_data) - 2
+ unpadded = self.db_base.unpad_data(null_padded_data)
+ self.assertEqual(len(unpadded), expected_length)
+ self.assertFalse("\0" in unpadded)
+ self.assertTrue("0" in unpadded)
+
+ def test_unpad_data_null_char_is_not_rightest(self):
+ null_padded_data = "hell0word\r\t\0\n"
+ expected_length = len(null_padded_data)
+ unpadded = self.db_base.unpad_data(null_padded_data)
+ self.assertEqual(len(unpadded), expected_length)
+ self.assertTrue("\0" in unpadded)
+
+ def test_unpad_data_with_spaces_at_right(self):
+ null_padded_data = " hell0word\0 "
+ expected_length = len(null_padded_data)
+ unpadded = self.db_base.unpad_data(null_padded_data)
+ self.assertEqual(len(unpadded), expected_length)
+ self.assertTrue("\0" in unpadded)
+
+ def test_unpad_data_empty_string(self):
+ data = ""
+ unpadded = self.db_base.unpad_data(data)
+ self.assertEqual(unpadded, "")
+ self.assertFalse("\0" in unpadded)
+
+ def test_unpad_data_not_string(self):
+ data = None
+ with self.assertRaises(Exception) as err:
+ self.db_base.unpad_data(data)
+ self.assertEqual(
+ str(err.exception),
+ "database exception Incorrect data type: type(None), string is expected.",
+ )
+
+ @patch.object(DbBase, "_join_secret_key")
+ @patch.object(DbBase, "pad_data")
+ def test__encrypt_value_schema_version_1_0_none_secret_key_none_salt(
+ self, mock_pad_data, mock_join_secret_key
+ ):
+ """schema_version 1.0, secret_key is None and salt is None."""
+ schema_version = "1.0"
+ salt = None
+ self.db_base.secret_key = None
+ result = self.db_base._encrypt_value(value, schema_version, salt)
+ self.assertEqual(result, value)
+ check_if_assert_not_called([mock_pad_data, mock_join_secret_key])
+
+ @patch("osm_common.dbbase.b64encode")
+ @patch("osm_common.dbbase.AES")
+ @patch.object(DbBase, "_join_secret_key")
+ @patch.object(DbBase, "pad_data")
+ def test__encrypt_value_schema_version_1_1_with_secret_key_exists_with_salt(
+ self,
+ mock_pad_data,
+ mock_join_secret_key,
+ mock_aes,
+ mock_b64_encode,
+ ):
+ """schema_version 1.1, secret_key exists, salt exists."""
+ mock_aes.new.return_value = self.mock_cipher
+ self.mock_cipher.encrypt.return_value = data_to_b4_encode
+ self.mock_padded_msg.return_value = padded_value
+ mock_pad_data.return_value = self.mock_padded_msg
+ self.mock_padded_msg.encode.return_value = padded_encoded_value
+
+ mock_b64_encode.return_value = encyrpted_bytes
+
+ result = self.db_base._encrypt_value(value, schema_version, salt)
+
+ self.assertTrue(isinstance(result, str))
+ self.assertEqual(result, encyrpted_value)
+ mock_join_secret_key.assert_called_once_with(salt)
+ _call_mock_aes_new = mock_aes.new.call_args_list[0].args
+ self.assertEqual(_call_mock_aes_new[1], AES.MODE_ECB)
+ mock_pad_data.assert_called_once_with(value)
+ mock_b64_encode.assert_called_once_with(data_to_b4_encode)
+ self.mock_cipher.encrypt.assert_called_once_with(padded_encoded_value)
+ self.mock_padded_msg.encode.assert_called_with(encoding_type)
+
+ @patch.object(DbBase, "_join_secret_key")
+ @patch.object(DbBase, "pad_data")
+ def test__encrypt_value_schema_version_1_0_secret_key_not_exists(
+ self, mock_pad_data, mock_join_secret_key
+ ):
+ """schema_version 1.0, secret_key is None, salt exists."""
+ schema_version = "1.0"
+ self.db_base.secret_key = None
+ result = self.db_base._encrypt_value(value, schema_version, salt)
+ self.assertEqual(result, value)
+ check_if_assert_not_called([mock_pad_data, mock_join_secret_key])
+
+ @patch.object(DbBase, "_join_secret_key")
+ @patch.object(DbBase, "pad_data")
+ def test__encrypt_value_schema_version_1_1_secret_key_not_exists(
+ self, mock_pad_data, mock_join_secret_key
+ ):
+ """schema_version 1.1, secret_key is None, salt exists."""
+ self.db_base.secret_key = None
+ result = self.db_base._encrypt_value(value, schema_version, salt)
+ self.assertEqual(result, value)
+ check_if_assert_not_called([mock_pad_data, mock_join_secret_key])
+
+ @patch("osm_common.dbbase.b64encode")
+ @patch("osm_common.dbbase.AES")
+ @patch.object(DbBase, "_join_secret_key")
+ @patch.object(DbBase, "pad_data")
+ def test__encrypt_value_schema_version_1_1_secret_key_exists_without_salt(
+ self,
+ mock_pad_data,
+ mock_join_secret_key,
+ mock_aes,
+ mock_b64_encode,
+ ):
+ """schema_version 1.1, secret_key exists, salt is None."""
+ salt = None
+ mock_aes.new.return_value = self.mock_cipher
+ self.mock_cipher.encrypt.return_value = data_to_b4_encode
+
+ self.mock_padded_msg.return_value = padded_value
+ mock_pad_data.return_value = self.mock_padded_msg
+ self.mock_padded_msg.encode.return_value = padded_encoded_value
+
+ mock_b64_encode.return_value = encyrpted_bytes
+
+ result = self.db_base._encrypt_value(value, schema_version, salt)
+
+ self.assertEqual(result, encyrpted_value)
+ mock_join_secret_key.assert_called_once_with(salt)
+ _call_mock_aes_new = mock_aes.new.call_args_list[0].args
+ self.assertEqual(_call_mock_aes_new[1], AES.MODE_ECB)
+ mock_pad_data.assert_called_once_with(value)
+ mock_b64_encode.assert_called_once_with(data_to_b4_encode)
+ self.mock_cipher.encrypt.assert_called_once_with(padded_encoded_value)
+ self.mock_padded_msg.encode.assert_called_with(encoding_type)
+
+ @patch("osm_common.dbbase.b64encode")
+ @patch("osm_common.dbbase.AES")
+ @patch.object(DbBase, "_join_secret_key")
+ @patch.object(DbBase, "pad_data")
+ def test__encrypt_value_invalid_encrpt_mode(
+ self,
+ mock_pad_data,
+ mock_join_secret_key,
+ mock_aes,
+ mock_b64_encode,
+ ):
+ """encrypt_mode is invalid."""
+ mock_aes.new.side_effect = Exception("Invalid ciphering mode.")
+ self.db_base.encrypt_mode = "AES.MODE_XXX"
+
+ with self.assertRaises(Exception) as err:
+ self.db_base._encrypt_value(value, schema_version, salt)
+
+ self.assertEqual(str(err.exception), "Invalid ciphering mode.")
+ mock_join_secret_key.assert_called_once_with(salt)
+ _call_mock_aes_new = mock_aes.new.call_args_list[0].args
+ self.assertEqual(_call_mock_aes_new[1], "AES.MODE_XXX")
+ check_if_assert_not_called([mock_pad_data, mock_b64_encode])
+
+ @patch("osm_common.dbbase.b64encode")
+ @patch("osm_common.dbbase.AES")
+ @patch.object(DbBase, "_join_secret_key")
+ @patch.object(DbBase, "pad_data")
+ def test__encrypt_value_schema_version_1_1_secret_key_exists_value_none(
+ self,
+ mock_pad_data,
+ mock_join_secret_key,
+ mock_aes,
+ mock_b64_encode,
+ ):
+ """schema_version 1.1, secret_key exists, value is None."""
+ value = None
+ mock_aes.new.return_value = self.mock_cipher
+ mock_pad_data.side_effect = DbException(
+ "Incorrect data type: type(None), string is expected."
+ )
+
+ with self.assertRaises(Exception) as err:
+ self.db_base._encrypt_value(value, schema_version, salt)
+ self.assertEqual(
+ str(err.exception),
+ "database exception Incorrect data type: type(None), string is expected.",
+ )
+
+ mock_join_secret_key.assert_called_once_with(salt)
+ _call_mock_aes_new = mock_aes.new.call_args_list[0].args
+ self.assertEqual(_call_mock_aes_new[1], AES.MODE_ECB)
+ mock_pad_data.assert_called_once_with(value)
+ check_if_assert_not_called(
+ [mock_b64_encode, self.mock_cipher.encrypt, mock_b64_encode]
+ )
+
+ @patch("osm_common.dbbase.b64encode")
+ @patch("osm_common.dbbase.AES")
+ @patch.object(DbBase, "_join_secret_key")
+ @patch.object(DbBase, "pad_data")
+ def test__encrypt_value_join_secret_key_raises(
+ self,
+ mock_pad_data,
+ mock_join_secret_key,
+ mock_aes,
+ mock_b64_encode,
+ ):
+ """Method join_secret_key raises DbException."""
+ salt = b"3434o34-3wewrwr-222424-2242dwew"
+
+ mock_join_secret_key.side_effect = DbException("Unexpected type")
+
+ mock_aes.new.return_value = self.mock_cipher
+
+ with self.assertRaises(Exception) as err:
+ self.db_base._encrypt_value(value, schema_version, salt)
+
+ self.assertEqual(str(err.exception), "database exception Unexpected type")
+ check_if_assert_not_called(
+ [mock_pad_data, mock_aes.new, mock_b64_encode, self.mock_cipher.encrypt]
+ )
+ mock_join_secret_key.assert_called_once_with(salt)
+
+ @patch("osm_common.dbbase.b64encode")
+ @patch("osm_common.dbbase.AES")
+ @patch.object(DbBase, "_join_secret_key")
+ @patch.object(DbBase, "pad_data")
+ def test__encrypt_value_schema_version_1_1_secret_key_exists_b64_encode_raises(
+ self,
+ mock_pad_data,
+ mock_join_secret_key,
+ mock_aes,
+ mock_b64_encode,
+ ):
+ """schema_version 1.1, secret_key exists, b64encode raises TypeError."""
+ mock_aes.new.return_value = self.mock_cipher
+ self.mock_cipher.encrypt.return_value = "encrypted data"
+
+ self.mock_padded_msg.return_value = padded_value
+ mock_pad_data.return_value = self.mock_padded_msg
+ self.mock_padded_msg.encode.return_value = padded_encoded_value
+
+ mock_b64_encode.side_effect = TypeError(
+ "A bytes-like object is required, not 'str'"
+ )
+
+ with self.assertRaises(Exception) as error:
+ self.db_base._encrypt_value(value, schema_version, salt)
+ self.assertEqual(
+ str(error.exception), "A bytes-like object is required, not 'str'"
+ )
+ mock_join_secret_key.assert_called_once_with(salt)
+ _call_mock_aes_new = mock_aes.new.call_args_list[0].args
+ self.assertEqual(_call_mock_aes_new[1], AES.MODE_ECB)
+ mock_pad_data.assert_called_once_with(value)
+ self.mock_cipher.encrypt.assert_called_once_with(padded_encoded_value)
+ self.mock_padded_msg.encode.assert_called_with(encoding_type)
+ mock_b64_encode.assert_called_once_with("encrypted data")
+
+ @patch("osm_common.dbbase.b64encode")
+ @patch("osm_common.dbbase.AES")
+ @patch.object(DbBase, "_join_secret_key")
+ @patch.object(DbBase, "pad_data")
+ def test__encrypt_value_cipher_encrypt_raises(
+ self,
+ mock_pad_data,
+ mock_join_secret_key,
+ mock_aes,
+ mock_b64_encode,
+ ):
+ """AES encrypt method raises Exception."""
+ mock_aes.new.return_value = self.mock_cipher
+ self.mock_cipher.encrypt.side_effect = Exception("Invalid data type.")
+
+ self.mock_padded_msg.return_value = padded_value
+ mock_pad_data.return_value = self.mock_padded_msg
+ self.mock_padded_msg.encode.return_value = padded_encoded_value
+
+ with self.assertRaises(Exception) as error:
+ self.db_base._encrypt_value(value, schema_version, salt)
+
+ self.assertEqual(str(error.exception), "Invalid data type.")
+ mock_join_secret_key.assert_called_once_with(salt)
+ _call_mock_aes_new = mock_aes.new.call_args_list[0].args
+ self.assertEqual(_call_mock_aes_new[1], AES.MODE_ECB)
+ mock_pad_data.assert_called_once_with(value)
+ self.mock_cipher.encrypt.assert_called_once_with(padded_encoded_value)
+ self.mock_padded_msg.encode.assert_called_with(encoding_type)
+ mock_b64_encode.assert_not_called()
+
+ @patch.object(DbBase, "get_secret_key")
+ @patch.object(DbBase, "_encrypt_value")
+ def test_encrypt_without_schema_version_without_salt(
+ self, mock_encrypt_value, mock_get_secret_key
+ ):
+ """schema and salt is None."""
+ mock_encrypt_value.return_value = encyrpted_value
+ result = self.db_base.encrypt(value)
+ mock_encrypt_value.assert_called_once_with(value, None, None)
+ mock_get_secret_key.assert_called_once()
+ self.assertEqual(result, encyrpted_value)
+
+ @patch.object(DbBase, "get_secret_key")
+ @patch.object(DbBase, "_encrypt_value")
+ def test_encrypt_with_schema_version_with_salt(
+ self, mock_encrypt_value, mock_get_secret_key
+ ):
+ """schema version exists, salt is None."""
+ mock_encrypt_value.return_value = encyrpted_value
+ result = self.db_base.encrypt(value, schema_version, salt)
+ mock_encrypt_value.assert_called_once_with(value, schema_version, salt)
+ mock_get_secret_key.assert_called_once()
+ self.assertEqual(result, encyrpted_value)
+
+ @patch.object(DbBase, "get_secret_key")
+ @patch.object(DbBase, "_encrypt_value")
+ def test_encrypt_get_secret_key_raises(
+ self, mock_encrypt_value, mock_get_secret_key
+ ):
+ """get_secret_key method raises DbException."""
+ mock_get_secret_key.side_effect = DbException("KeyError")
+ with self.assertRaises(Exception) as error:
+ self.db_base.encrypt(value)
+ self.assertEqual(str(error.exception), "database exception KeyError")
+ mock_encrypt_value.assert_not_called()
+ mock_get_secret_key.assert_called_once()
+
+ @patch.object(DbBase, "get_secret_key")
+ @patch.object(DbBase, "_encrypt_value")
+ def test_encrypt_encrypt_raises(self, mock_encrypt_value, mock_get_secret_key):
+ """_encrypt method raises DbException."""
+ mock_encrypt_value.side_effect = DbException(
+ "Incorrect data type: type(None), string is expected."
+ )
+ with self.assertRaises(Exception) as error:
+ self.db_base.encrypt(value, schema_version, salt)
+ self.assertEqual(
+ str(error.exception),
+ "database exception Incorrect data type: type(None), string is expected.",
+ )
+ mock_encrypt_value.assert_called_once_with(value, schema_version, salt)
+ mock_get_secret_key.assert_called_once()
+
+ @patch("osm_common.dbbase.b64decode")
+ @patch("osm_common.dbbase.AES")
+ @patch.object(DbBase, "_join_secret_key")
+ @patch.object(DbBase, "unpad_data")
+ def test__decrypt_value_schema_version_1_1_secret_key_exists_without_salt(
+ self,
+ mock_unpad_data,
+ mock_join_secret_key,
+ mock_aes,
+ mock_b64_decode,
+ ):
+ """schema_version 1.1, secret_key exists, salt is None."""
+ salt = None
+ mock_aes.new.return_value = self.mock_cipher
+ self.mock_cipher.decrypt.return_value = padded_encoded_value
+
+ mock_b64_decode.return_value = b64_decoded
+
+ mock_unpad_data.return_value = value
+
+ result = self.db_base._decrypt_value(encyrpted_value, schema_version, salt)
+ self.assertEqual(result, value)
+
+ mock_join_secret_key.assert_called_once_with(salt)
+ _call_mock_aes_new = mock_aes.new.call_args_list[0].args
+ self.assertEqual(_call_mock_aes_new[1], AES.MODE_ECB)
+ mock_unpad_data.assert_called_once_with("private key txt\0")
+ mock_b64_decode.assert_called_once_with(encyrpted_value)
+ self.mock_cipher.decrypt.assert_called_once_with(b64_decoded)
+
+ @patch("osm_common.dbbase.b64decode")
+ @patch("osm_common.dbbase.AES")
+ @patch.object(DbBase, "_join_secret_key")
+ @patch.object(DbBase, "unpad_data")
+ def test__decrypt_value_schema_version_1_1_secret_key_exists_with_salt(
+ self,
+ mock_unpad_data,
+ mock_join_secret_key,
+ mock_aes,
+ mock_b64_decode,
+ ):
+ """schema_version 1.1, secret_key exists, salt is None."""
+ mock_aes.new.return_value = self.mock_cipher
+ self.mock_cipher.decrypt.return_value = padded_encoded_value
+
+ mock_b64_decode.return_value = b64_decoded
+
+ mock_unpad_data.return_value = value
+
+ result = self.db_base._decrypt_value(encyrpted_value, schema_version, salt)
+ self.assertEqual(result, value)
+
+ mock_join_secret_key.assert_called_once_with(salt)
+ _call_mock_aes_new = mock_aes.new.call_args_list[0].args
+ self.assertEqual(_call_mock_aes_new[1], AES.MODE_ECB)
+ mock_unpad_data.assert_called_once_with("private key txt\0")
+ mock_b64_decode.assert_called_once_with(encyrpted_value)
+ self.mock_cipher.decrypt.assert_called_once_with(b64_decoded)
+
+ @patch("osm_common.dbbase.b64decode")
+ @patch("osm_common.dbbase.AES")
+ @patch.object(DbBase, "_join_secret_key")
+ @patch.object(DbBase, "unpad_data")
+ def test__decrypt_value_schema_version_1_1_without_secret_key(
+ self,
+ mock_unpad_data,
+ mock_join_secret_key,
+ mock_aes,
+ mock_b64_decode,
+ ):
+ """schema_version 1.1, secret_key is None, salt exists."""
+ self.db_base.secret_key = None
+
+ result = self.db_base._decrypt_value(encyrpted_value, schema_version, salt)
+
+ self.assertEqual(result, encyrpted_value)
+ check_if_assert_not_called(
+ [
+ mock_join_secret_key,
+ mock_aes.new,
+ mock_unpad_data,
+ mock_b64_decode,
+ self.mock_cipher.decrypt,
+ ]
+ )
+
+ @patch("osm_common.dbbase.b64decode")
+ @patch("osm_common.dbbase.AES")
+ @patch.object(DbBase, "_join_secret_key")
+ @patch.object(DbBase, "unpad_data")
+ def test__decrypt_value_schema_version_1_0_with_secret_key(
+ self,
+ mock_unpad_data,
+ mock_join_secret_key,
+ mock_aes,
+ mock_b64_decode,
+ ):
+ """schema_version 1.0, secret_key exists, salt exists."""
+ schema_version = "1.0"
+ result = self.db_base._decrypt_value(encyrpted_value, schema_version, salt)
+
+ self.assertEqual(result, encyrpted_value)
+ check_if_assert_not_called(
+ [
+ mock_join_secret_key,
+ mock_aes.new,
+ mock_unpad_data,
+ mock_b64_decode,
+ self.mock_cipher.decrypt,
+ ]
+ )
+
+ @patch("osm_common.dbbase.b64decode")
+ @patch("osm_common.dbbase.AES")
+ @patch.object(DbBase, "_join_secret_key")
+ @patch.object(DbBase, "unpad_data")
+ def test__decrypt_value_join_secret_key_raises(
+ self,
+ mock_unpad_data,
+ mock_join_secret_key,
+ mock_aes,
+ mock_b64_decode,
+ ):
+ """_join_secret_key raises TypeError."""
+ salt = object()
+ mock_join_secret_key.side_effect = TypeError("'type' object is not iterable")
+
+ with self.assertRaises(Exception) as error:
+ self.db_base._decrypt_value(encyrpted_value, schema_version, salt)
+ self.assertEqual(str(error.exception), "'type' object is not iterable")
+
+ mock_join_secret_key.assert_called_once_with(salt)
+ check_if_assert_not_called(
+ [mock_aes.new, mock_unpad_data, mock_b64_decode, self.mock_cipher.decrypt]
+ )
+
+ @patch("osm_common.dbbase.b64decode")
+ @patch("osm_common.dbbase.AES")
+ @patch.object(DbBase, "_join_secret_key")
+ @patch.object(DbBase, "unpad_data")
+ def test__decrypt_value_b64decode_raises(
+ self,
+ mock_unpad_data,
+ mock_join_secret_key,
+ mock_aes,
+ mock_b64_decode,
+ ):
+ """b64decode raises TypeError."""
+ mock_b64_decode.side_effect = TypeError(
+ "A str-like object is required, not 'bytes'"
+ )
+ with self.assertRaises(Exception) as error:
+ self.db_base._decrypt_value(encyrpted_value, schema_version, salt)
+ self.assertEqual(
+ str(error.exception), "A str-like object is required, not 'bytes'"
+ )
+
+ mock_b64_decode.assert_called_once_with(encyrpted_value)
+ mock_join_secret_key.assert_called_once_with(salt)
+ check_if_assert_not_called(
+ [mock_aes.new, self.mock_cipher.decrypt, mock_unpad_data]
+ )
+
+ @patch("osm_common.dbbase.b64decode")
+ @patch("osm_common.dbbase.AES")
+ @patch.object(DbBase, "_join_secret_key")
+ @patch.object(DbBase, "unpad_data")
+ def test__decrypt_value_invalid_encrypt_mode(
+ self,
+ mock_unpad_data,
+ mock_join_secret_key,
+ mock_aes,
+ mock_b64_decode,
+ ):
+ """Invalid AES encrypt mode."""
+ mock_aes.new.side_effect = Exception("Invalid ciphering mode.")
+ self.db_base.encrypt_mode = "AES.MODE_XXX"
+
+ mock_b64_decode.return_value = b64_decoded
+ with self.assertRaises(Exception) as error:
+ self.db_base._decrypt_value(encyrpted_value, schema_version, salt)
+
+ self.assertEqual(str(error.exception), "Invalid ciphering mode.")
+ mock_join_secret_key.assert_called_once_with(salt)
+ _call_mock_aes_new = mock_aes.new.call_args_list[0].args
+ self.assertEqual(_call_mock_aes_new[1], "AES.MODE_XXX")
+ mock_b64_decode.assert_called_once_with(encyrpted_value)
+ check_if_assert_not_called([mock_unpad_data, self.mock_cipher.decrypt])
+
+ @patch("osm_common.dbbase.b64decode")
+ @patch("osm_common.dbbase.AES")
+ @patch.object(DbBase, "_join_secret_key")
+ @patch.object(DbBase, "unpad_data")
+ def test__decrypt_value_cipher_decrypt_raises(
+ self,
+ mock_unpad_data,
+ mock_join_secret_key,
+ mock_aes,
+ mock_b64_decode,
+ ):
+ """AES decrypt raises Exception."""
+ mock_b64_decode.return_value = b64_decoded
+
+ mock_aes.new.return_value = self.mock_cipher
+ self.mock_cipher.decrypt.side_effect = Exception("Invalid data type.")
+
+ with self.assertRaises(Exception) as error:
+ self.db_base._decrypt_value(encyrpted_value, schema_version, salt)
+ self.assertEqual(str(error.exception), "Invalid data type.")
+
+ mock_join_secret_key.assert_called_once_with(salt)
+ _call_mock_aes_new = mock_aes.new.call_args_list[0].args
+ self.assertEqual(_call_mock_aes_new[1], AES.MODE_ECB)
+ mock_b64_decode.assert_called_once_with(encyrpted_value)
+ self.mock_cipher.decrypt.assert_called_once_with(b64_decoded)
+ mock_unpad_data.assert_not_called()
+
+ @patch("osm_common.dbbase.b64decode")
+ @patch("osm_common.dbbase.AES")
+ @patch.object(DbBase, "_join_secret_key")
+ @patch.object(DbBase, "unpad_data")
+ def test__decrypt_value_decode_raises(
+ self,
+ mock_unpad_data,
+ mock_join_secret_key,
+ mock_aes,
+ mock_b64_decode,
+ ):
+ """Decode raises UnicodeDecodeError."""
+ mock_aes.new.return_value = self.mock_cipher
+ self.mock_cipher.decrypt.return_value = b"\xd0\x000091"
+
+ mock_b64_decode.return_value = b64_decoded
+
+ mock_unpad_data.return_value = value
+ with self.assertRaises(Exception) as error:
+ self.db_base._decrypt_value(encyrpted_value, schema_version, salt)
+ self.assertEqual(
+ str(error.exception),
+ "database exception Cannot decrypt information. Are you using same COMMONKEY in all OSM components?",
+ )
+ self.assertEqual(type(error.exception), DbException)
+ mock_join_secret_key.assert_called_once_with(salt)
+ _call_mock_aes_new = mock_aes.new.call_args_list[0].args
+ self.assertEqual(_call_mock_aes_new[1], AES.MODE_ECB)
+ mock_b64_decode.assert_called_once_with(encyrpted_value)
+ self.mock_cipher.decrypt.assert_called_once_with(b64_decoded)
+ mock_unpad_data.assert_not_called()
+
+ @patch("osm_common.dbbase.b64decode")
+ @patch("osm_common.dbbase.AES")
+ @patch.object(DbBase, "_join_secret_key")
+ @patch.object(DbBase, "unpad_data")
+ def test__decrypt_value_unpad_data_raises(
+ self,
+ mock_unpad_data,
+ mock_join_secret_key,
+ mock_aes,
+ mock_b64_decode,
+ ):
+ """Method unpad_data raises error."""
+ mock_decrypted_message = MagicMock()
+ mock_decrypted_message.decode.return_value = None
+ mock_aes.new.return_value = self.mock_cipher
+ self.mock_cipher.decrypt.return_value = mock_decrypted_message
+ mock_unpad_data.side_effect = DbException(
+ "Incorrect data type: type(None), string is expected."
+ )
+ mock_b64_decode.return_value = b64_decoded
+
+ with self.assertRaises(Exception) as error:
+ self.db_base._decrypt_value(encyrpted_value, schema_version, salt)
+ self.assertEqual(
+ str(error.exception),
+ "database exception Incorrect data type: type(None), string is expected.",
+ )
+ self.assertEqual(type(error.exception), DbException)
+ mock_join_secret_key.assert_called_once_with(salt)
+ _call_mock_aes_new = mock_aes.new.call_args_list[0].args
+ self.assertEqual(_call_mock_aes_new[1], AES.MODE_ECB)
+ mock_b64_decode.assert_called_once_with(encyrpted_value)
+ self.mock_cipher.decrypt.assert_called_once_with(b64_decoded)
+ mock_decrypted_message.decode.assert_called_once_with(
+ self.db_base.encoding_type
+ )
+ mock_unpad_data.assert_called_once_with(None)
+
+ @patch.object(DbBase, "get_secret_key")
+ @patch.object(DbBase, "_decrypt_value")
+ def test_decrypt_without_schema_version_without_salt(
+ self, mock_decrypt_value, mock_get_secret_key
+ ):
+ """schema_version is None, salt is None."""
+ mock_decrypt_value.return_value = encyrpted_value
+ result = self.db_base.decrypt(value)
+ mock_decrypt_value.assert_called_once_with(value, None, None)
+ mock_get_secret_key.assert_called_once()
+ self.assertEqual(result, encyrpted_value)
+
+ @patch.object(DbBase, "get_secret_key")
+ @patch.object(DbBase, "_decrypt_value")
+ def test_decrypt_with_schema_version_with_salt(
+ self, mock_decrypt_value, mock_get_secret_key
+ ):
+ """schema_version and salt exist."""
+ mock_decrypt_value.return_value = encyrpted_value
+ result = self.db_base.decrypt(value, schema_version, salt)
+ mock_decrypt_value.assert_called_once_with(value, schema_version, salt)
+ mock_get_secret_key.assert_called_once()
+ self.assertEqual(result, encyrpted_value)
+
+ @patch.object(DbBase, "get_secret_key")
+ @patch.object(DbBase, "_decrypt_value")
+ def test_decrypt_get_secret_key_raises(
+ self, mock_decrypt_value, mock_get_secret_key
+ ):
+ """Method get_secret_key raises KeyError."""
+ mock_get_secret_key.side_effect = DbException("KeyError")
+ with self.assertRaises(Exception) as error:
+ self.db_base.decrypt(value)
+ self.assertEqual(str(error.exception), "database exception KeyError")
+ mock_decrypt_value.assert_not_called()
+ mock_get_secret_key.assert_called_once()
+
+ @patch.object(DbBase, "get_secret_key")
+ @patch.object(DbBase, "_decrypt_value")
+ def test_decrypt_decrypt_value_raises(
+ self, mock_decrypt_value, mock_get_secret_key
+ ):
+ """Method _decrypt raises error."""
+ mock_decrypt_value.side_effect = DbException(
+ "Incorrect data type: type(None), string is expected."
+ )
+ with self.assertRaises(Exception) as error:
+ self.db_base.decrypt(value, schema_version, salt)
+ self.assertEqual(
+ str(error.exception),
+ "database exception Incorrect data type: type(None), string is expected.",
+ )
+ mock_decrypt_value.assert_called_once_with(value, schema_version, salt)
+ mock_get_secret_key.assert_called_once()
+
+ def test_encrypt_decrypt_with_schema_version_1_1_with_salt(self):
+ """Encrypt and decrypt with schema version 1.1, salt exists."""
+ encrypted_msg = self.db_base.encrypt(value, schema_version, salt)
+ decrypted_msg = self.db_base.decrypt(encrypted_msg, schema_version, salt)
+ self.assertEqual(value, decrypted_msg)
+
+ def test_encrypt_decrypt_with_schema_version_1_0_with_salt(self):
+ """Encrypt and decrypt with schema version 1.0, salt exists."""
+ schema_version = "1.0"
+ encrypted_msg = self.db_base.encrypt(value, schema_version, salt)
+ decrypted_msg = self.db_base.decrypt(encrypted_msg, schema_version, salt)
+ self.assertEqual(value, decrypted_msg)
+
+ def test_encrypt_decrypt_with_schema_version_1_1_without_salt(self):
+ """Encrypt and decrypt with schema version 1.1 and without salt."""
+ salt = None
+ encrypted_msg = self.db_base.encrypt(value, schema_version, salt)
+ decrypted_msg = self.db_base.decrypt(encrypted_msg, schema_version, salt)
+ self.assertEqual(value, decrypted_msg)
+
+
+class TestAsyncEncryption(unittest.TestCase):
+ @patch("logging.getLogger", autospec=True)
+ def setUp(self, mock_logger):
+ mock_logger = logging.getLogger()
+ mock_logger.disabled = True
+ self.encryption = Encryption(uri="uri", config={})
+ self.encryption.encoding_type = encoding_type
+ self.encryption.encrypt_mode = encyrpt_mode
+ self.encryption._secret_key = secret_key
+ self.admin_collection = Mock()
+ self.admin_collection.find_one = AsyncMock()
+ self.encryption._client = {
+ "osm": {
+ "admin": self.admin_collection,
+ }
+ }
+
+ @patch.object(Encryption, "decrypt", new_callable=AsyncMock)
+ def test_decrypt_fields_with_item_with_fields(self, mock_decrypt):
+ """item and fields exist."""
+ mock_decrypt.side_effect = [decrypted_val1, decrypted_val2]
+ input_item = copy.deepcopy(item)
+ expected_item = {
+ "secret": decrypted_val1,
+ "cacert": decrypted_val2,
+ "path": "/var",
+ "ip": "192.168.12.23",
+ }
+ fields = ["secret", "cacert"]
+
+ asyncio.run(
+ self.encryption.decrypt_fields(input_item, fields, schema_version, salt)
+ )
+ self.assertEqual(input_item, expected_item)
+ _call_mock_decrypt = mock_decrypt.call_args_list
+ self.assertEqual(_call_mock_decrypt[0].args, ("mysecret", "1.1", salt))
+ self.assertEqual(_call_mock_decrypt[1].args, ("mycacert", "1.1", salt))
+
+ @patch.object(Encryption, "decrypt", new_callable=AsyncMock)
+ def test_decrypt_fields_empty_item_with_fields(self, mock_decrypt):
+ """item is empty and fields exists."""
+ input_item = {}
+ fields = ["secret", "cacert"]
+ asyncio.run(
+ self.encryption.decrypt_fields(input_item, fields, schema_version, salt)
+ )
+ self.assertEqual(input_item, {})
+ mock_decrypt.assert_not_called()
+
+ @patch.object(Encryption, "decrypt", new_callable=AsyncMock)
+ def test_decrypt_fields_with_item_without_fields(self, mock_decrypt):
+ """item exists and fields is empty."""
+ input_item = copy.deepcopy(item)
+ fields = []
+ asyncio.run(
+ self.encryption.decrypt_fields(input_item, fields, schema_version, salt)
+ )
+ self.assertEqual(input_item, item)
+ mock_decrypt.assert_not_called()
+
+ @patch.object(Encryption, "decrypt", new_callable=AsyncMock)
+ def test_decrypt_fields_with_item_with_single_field(self, mock_decrypt):
+ """item exists and field has single value."""
+ mock_decrypt.return_value = decrypted_val1
+ fields = ["secret"]
+ input_item = copy.deepcopy(item)
+ expected_item = {
+ "secret": decrypted_val1,
+ "cacert": "mycacert",
+ "path": "/var",
+ "ip": "192.168.12.23",
+ }
+ asyncio.run(
+ self.encryption.decrypt_fields(input_item, fields, schema_version, salt)
+ )
+ self.assertEqual(input_item, expected_item)
+ _call_mock_decrypt = mock_decrypt.call_args_list
+ self.assertEqual(_call_mock_decrypt[0].args, ("mysecret", "1.1", salt))
+
+ @patch.object(Encryption, "decrypt", new_callable=AsyncMock)
+ def test_decrypt_fields_with_item_with_field_none_salt_1_0_schema_version(
+ self, mock_decrypt
+ ):
+ """item exists and field has single value, salt is None, schema version is 1.0."""
+ schema_version = "1.0"
+ salt = None
+ mock_decrypt.return_value = "mysecret"
+ input_item = copy.deepcopy(item)
+ fields = ["secret"]
+ asyncio.run(
+ self.encryption.decrypt_fields(input_item, fields, schema_version, salt)
+ )
+ self.assertEqual(input_item, item)
+ _call_mock_decrypt = mock_decrypt.call_args_list
+ self.assertEqual(_call_mock_decrypt[0].args, ("mysecret", "1.0", None))
+
+ @patch.object(Encryption, "decrypt", new_callable=AsyncMock)
+ def test_decrypt_fields_decrypt_raises(self, mock_decrypt):
+ """Method decrypt raises error."""
+ mock_decrypt.side_effect = DbException(
+ "Incorrect data type: type(None), string is expected."
+ )
+ fields = ["secret"]
+ input_item = copy.deepcopy(item)
+ with self.assertRaises(Exception) as error:
+ asyncio.run(
+ self.encryption.decrypt_fields(input_item, fields, schema_version, salt)
+ )
+ self.assertEqual(
+ str(error.exception),
+ "database exception Incorrect data type: type(None), string is expected.",
+ )
+ self.assertEqual(input_item, item)
+ _call_mock_decrypt = mock_decrypt.call_args_list
+ self.assertEqual(_call_mock_decrypt[0].args, ("mysecret", "1.1", salt))
+
+ @patch.object(Encryption, "get_secret_key", new_callable=AsyncMock)
+ @patch.object(Encryption, "_encrypt_value")
+ def test_encrypt(self, mock_encrypt_value, mock_get_secret_key):
+ """Method decrypt raises error."""
+ mock_encrypt_value.return_value = encyrpted_value
+ result = asyncio.run(self.encryption.encrypt(value, schema_version, salt))
+ self.assertEqual(result, encyrpted_value)
+ mock_get_secret_key.assert_called_once()
+ mock_encrypt_value.assert_called_once_with(value, schema_version, salt)
+
+ @patch.object(Encryption, "get_secret_key", new_callable=AsyncMock)
+ @patch.object(Encryption, "_encrypt_value")
+ def test_encrypt_get_secret_key_raises(
+ self, mock_encrypt_value, mock_get_secret_key
+ ):
+ """Method get_secret_key raises error."""
+ mock_get_secret_key.side_effect = DbException("Unexpected type.")
+ with self.assertRaises(Exception) as error:
+ asyncio.run(self.encryption.encrypt(value, schema_version, salt))
+ self.assertEqual(str(error.exception), "database exception Unexpected type.")
+ mock_get_secret_key.assert_called_once()
+ mock_encrypt_value.assert_not_called()
+
+ @patch.object(Encryption, "get_secret_key", new_callable=AsyncMock)
+ @patch.object(Encryption, "_encrypt_value")
+ def test_encrypt_get_encrypt_raises(self, mock_encrypt_value, mock_get_secret_key):
+ """Method _encrypt raises error."""
+ mock_encrypt_value.side_effect = TypeError(
+ "A bytes-like object is required, not 'str'"
+ )
+ with self.assertRaises(Exception) as error:
+ asyncio.run(self.encryption.encrypt(value, schema_version, salt))
+ self.assertEqual(
+ str(error.exception), "A bytes-like object is required, not 'str'"
+ )
+ mock_get_secret_key.assert_called_once()
+ mock_encrypt_value.assert_called_once_with(value, schema_version, salt)
+
+ @patch.object(Encryption, "get_secret_key", new_callable=AsyncMock)
+ @patch.object(Encryption, "_decrypt_value")
+ def test_decrypt(self, mock_decrypt_value, mock_get_secret_key):
+ """Decrypted successfully."""
+ mock_decrypt_value.return_value = value
+ result = asyncio.run(
+ self.encryption.decrypt(encyrpted_value, schema_version, salt)
+ )
+ self.assertEqual(result, value)
+ mock_get_secret_key.assert_called_once()
+ mock_decrypt_value.assert_called_once_with(
+ encyrpted_value, schema_version, salt
+ )
+
+ @patch.object(Encryption, "get_secret_key", new_callable=AsyncMock)
+ @patch.object(Encryption, "_decrypt_value")
+ def test_decrypt_get_secret_key_raises(
+ self, mock_decrypt_value, mock_get_secret_key
+ ):
+ """Method get_secret_key raises error."""
+ mock_get_secret_key.side_effect = DbException("Unexpected type.")
+ with self.assertRaises(Exception) as error:
+ asyncio.run(self.encryption.decrypt(encyrpted_value, schema_version, salt))
+ self.assertEqual(str(error.exception), "database exception Unexpected type.")
+ mock_get_secret_key.assert_called_once()
+ mock_decrypt_value.assert_not_called()
+
+ @patch.object(Encryption, "get_secret_key", new_callable=AsyncMock)
+ @patch.object(Encryption, "_decrypt_value")
+ def test_decrypt_decrypt_value_raises(
+ self, mock_decrypt_value, mock_get_secret_key
+ ):
+ """Method get_secret_key raises error."""
+ mock_decrypt_value.side_effect = TypeError(
+ "A bytes-like object is required, not 'str'"
+ )
+ with self.assertRaises(Exception) as error:
+ asyncio.run(self.encryption.decrypt(encyrpted_value, schema_version, salt))
+ self.assertEqual(
+ str(error.exception), "A bytes-like object is required, not 'str'"
+ )
+ mock_get_secret_key.assert_called_once()
+ mock_decrypt_value.assert_called_once_with(
+ encyrpted_value, schema_version, salt
+ )
+
+ def test_join_keys_string_key(self):
+ """key is string."""
+ string_key = "sample key"
+ result = self.encryption._join_keys(string_key, secret_key)
+ self.assertEqual(result, joined_key)
+ self.assertTrue(isinstance(result, bytes))
+
+ def test_join_keys_bytes_key(self):
+ """key is bytes."""
+ bytes_key = b"sample key"
+ result = self.encryption._join_keys(bytes_key, secret_key)
+ self.assertEqual(result, joined_key)
+ self.assertTrue(isinstance(result, bytes))
+ self.assertEqual(len(result.decode("unicode_escape")), 32)
+
+ def test_join_keys_int_key(self):
+ """key is int."""
+ int_key = 923
+ with self.assertRaises(Exception) as error:
+ self.encryption._join_keys(int_key, None)
+ self.assertEqual(str(error.exception), "'int' object is not iterable")
+
+ def test_join_keys_none_secret_key(self):
+ """key is as bytes and secret key is None."""
+ bytes_key = b"sample key"
+ result = self.encryption._join_keys(bytes_key, None)
+ self.assertEqual(
+ result,
+ b"sample key\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",
+ )
+ self.assertTrue(isinstance(result, bytes))
+ self.assertEqual(len(result.decode("unicode_escape")), 32)
+
+ def test_join_keys_none_key_none_secret_key(self):
+ """key is None and secret key is None."""
+ with self.assertRaises(Exception) as error:
+ self.encryption._join_keys(None, None)
+ self.assertEqual(str(error.exception), "'NoneType' object is not iterable")
+
+ def test_join_keys_none_key(self):
+ """key is None and secret key exists."""
+ with self.assertRaises(Exception) as error:
+ self.encryption._join_keys(None, secret_key)
+ self.assertEqual(str(error.exception), "'NoneType' object is not iterable")
+
+ @patch.object(Encryption, "_join_keys")
+ def test_join_secret_key_string_sample_key(self, mock_join_keys):
+ """key is None and secret key exists as string."""
+ update_key = "sample key"
+ mock_join_keys.return_value = joined_key
+ result = self.encryption._join_secret_key(update_key)
+ self.assertEqual(result, joined_key)
+ self.assertTrue(isinstance(result, bytes))
+ mock_join_keys.assert_called_once_with(update_key, secret_key)
+
+ @patch.object(Encryption, "_join_keys")
+ def test_join_secret_key_byte_sample_key(self, mock_join_keys):
+ """key is None and secret key exists as bytes."""
+ update_key = b"sample key"
+ mock_join_keys.return_value = joined_key
+ result = self.encryption._join_secret_key(update_key)
+ self.assertEqual(result, joined_key)
+ self.assertTrue(isinstance(result, bytes))
+ mock_join_keys.assert_called_once_with(update_key, secret_key)
+
+ @patch.object(Encryption, "_join_keys")
+ def test_join_secret_key_join_keys_raises(self, mock_join_keys):
+ """Method _join_secret_key raises."""
+ update_key = 3434
+ mock_join_keys.side_effect = TypeError("'int' object is not iterable")
+ with self.assertRaises(Exception) as error:
+ self.encryption._join_secret_key(update_key)
+ self.assertEqual(str(error.exception), "'int' object is not iterable")
+ mock_join_keys.assert_called_once_with(update_key, secret_key)
+
+ @patch.object(Encryption, "_join_keys")
+ def test_get_secret_key_exists(self, mock_join_keys):
+ """secret_key exists."""
+ self.encryption._secret_key = secret_key
+ asyncio.run(self.encryption.get_secret_key())
+ self.assertEqual(self.encryption.secret_key, secret_key)
+ mock_join_keys.assert_not_called()
+
+ @patch.object(Encryption, "_join_keys")
+ @patch("osm_common.dbbase.b64decode")
+ def test_get_secret_key_not_exist_database_key_exist(
+ self, mock_b64decode, mock_join_keys
+ ):
+ """secret_key does not exist, database key exists."""
+ self.encryption._secret_key = None
+ self.encryption._admin_collection.find_one.return_value = None
+ self.encryption._config = {"database_commonkey": "osm_new_key"}
+ mock_join_keys.return_value = joined_key
+ asyncio.run(self.encryption.get_secret_key())
+ self.assertEqual(self.encryption.secret_key, joined_key)
+ self.assertEqual(mock_join_keys.call_count, 1)
+ mock_b64decode.assert_not_called()
+
+ @patch.object(Encryption, "_join_keys")
+ @patch("osm_common.dbbase.b64decode")
+ def test_get_secret_key_not_exist_with_database_key_version_data_exist_without_serial(
+ self, mock_b64decode, mock_join_keys
+ ):
+ """secret_key does not exist, database key exists."""
+ self.encryption._secret_key = None
+ self.encryption._admin_collection.find_one.return_value = {"version": "1.0"}
+ self.encryption._config = {"database_commonkey": "osm_new_key"}
+ mock_join_keys.return_value = joined_key
+ asyncio.run(self.encryption.get_secret_key())
+ self.assertEqual(self.encryption.secret_key, joined_key)
+ self.assertEqual(mock_join_keys.call_count, 1)
+ mock_b64decode.assert_not_called()
+ self.encryption._admin_collection.find_one.assert_called_once_with(
+ {"_id": "version"}
+ )
+ _call_mock_join_keys = mock_join_keys.call_args_list
+ self.assertEqual(_call_mock_join_keys[0].args, ("osm_new_key", None))
+
+ @patch.object(Encryption, "_join_keys")
+ @patch("osm_common.dbbase.b64decode")
+ def test_get_secret_key_not_exist_with_database_key_version_data_exist_with_serial(
+ self, mock_b64decode, mock_join_keys
+ ):
+ """secret_key does not exist, database key exists, version and serial exist
+ in admin collection."""
+ self.encryption._secret_key = None
+ self.encryption._admin_collection.find_one.return_value = {
+ "version": "1.0",
+ "serial": serial_bytes,
+ }
+ self.encryption._config = {"database_commonkey": "osm_new_key"}
+ mock_join_keys.side_effect = [secret_key, joined_key]
+ mock_b64decode.return_value = base64_decoded_serial
+ asyncio.run(self.encryption.get_secret_key())
+ self.assertEqual(self.encryption.secret_key, joined_key)
+ self.assertEqual(mock_join_keys.call_count, 2)
+ mock_b64decode.assert_called_once_with(serial_bytes)
+ self.encryption._admin_collection.find_one.assert_called_once_with(
+ {"_id": "version"}
+ )
+ _call_mock_join_keys = mock_join_keys.call_args_list
+ self.assertEqual(_call_mock_join_keys[0].args, ("osm_new_key", None))
+ self.assertEqual(
+ _call_mock_join_keys[1].args, (base64_decoded_serial, secret_key)
+ )
+
+ @patch.object(Encryption, "_join_keys")
+ @patch("osm_common.dbbase.b64decode")
+ def test_get_secret_key_join_keys_raises(self, mock_b64decode, mock_join_keys):
+ """Method _join_keys raises."""
+ self.encryption._secret_key = None
+ self.encryption._admin_collection.find_one.return_value = {
+ "version": "1.0",
+ "serial": serial_bytes,
+ }
+ self.encryption._config = {"database_commonkey": "osm_new_key"}
+ mock_join_keys.side_effect = DbException("Invalid data type.")
+ with self.assertRaises(Exception) as error:
+ asyncio.run(self.encryption.get_secret_key())
+ self.assertEqual(str(error.exception), "database exception Invalid data type.")
+ self.assertEqual(mock_join_keys.call_count, 1)
+ check_if_assert_not_called(
+ [mock_b64decode, self.encryption._admin_collection.find_one]
+ )
+ _call_mock_join_keys = mock_join_keys.call_args_list
+ self.assertEqual(_call_mock_join_keys[0].args, ("osm_new_key", None))
+
+ @patch.object(Encryption, "_join_keys")
+ @patch("osm_common.dbbase.b64decode")
+ def test_get_secret_key_b64decode_raises(self, mock_b64decode, mock_join_keys):
+ """Method b64decode raises."""
+ self.encryption._secret_key = None
+ self.encryption._admin_collection.find_one.return_value = {
+ "version": "1.0",
+ "serial": base64_decoded_serial,
+ }
+ self.encryption._config = {"database_commonkey": "osm_new_key"}
+ mock_join_keys.return_value = secret_key
+ mock_b64decode.side_effect = TypeError(
+ "A bytes-like object is required, not 'str'"
+ )
+ with self.assertRaises(Exception) as error:
+ asyncio.run(self.encryption.get_secret_key())
+ self.assertEqual(
+ str(error.exception), "A bytes-like object is required, not 'str'"
+ )
+ self.assertEqual(self.encryption.secret_key, None)
+ self.assertEqual(mock_join_keys.call_count, 1)
+ mock_b64decode.assert_called_once_with(base64_decoded_serial)
+ self.encryption._admin_collection.find_one.assert_called_once_with(
+ {"_id": "version"}
+ )
+ _call_mock_join_keys = mock_join_keys.call_args_list
+ self.assertEqual(_call_mock_join_keys[0].args, ("osm_new_key", None))
+
+ @patch.object(Encryption, "_join_keys")
+ @patch("osm_common.dbbase.b64decode")
+ def test_get_secret_key_admin_collection_find_one_raises(
+ self, mock_b64decode, mock_join_keys
+ ):
+ """admin_collection find_one raises."""
+ self.encryption._secret_key = None
+ self.encryption._admin_collection.find_one.side_effect = DbException(
+ "Connection failed."
+ )
+ self.encryption._config = {"database_commonkey": "osm_new_key"}
+ mock_join_keys.return_value = secret_key
+ with self.assertRaises(Exception) as error:
+ asyncio.run(self.encryption.get_secret_key())
+ self.assertEqual(str(error.exception), "database exception Connection failed.")
+ self.assertEqual(self.encryption.secret_key, None)
+ self.assertEqual(mock_join_keys.call_count, 1)
+ mock_b64decode.assert_not_called()
+ self.encryption._admin_collection.find_one.assert_called_once_with(
+ {"_id": "version"}
+ )
+ _call_mock_join_keys = mock_join_keys.call_args_list
+ self.assertEqual(_call_mock_join_keys[0].args, ("osm_new_key", None))
+
+ def test_encrypt_decrypt_with_schema_version_1_1_with_salt(self):
+ """Encrypt and decrypt with schema version 1.1, salt exists."""
+ encrypted_msg = asyncio.run(
+ self.encryption.encrypt(value, schema_version, salt)
+ )
+ decrypted_msg = asyncio.run(
+ self.encryption.decrypt(encrypted_msg, schema_version, salt)
+ )
+ self.assertEqual(value, decrypted_msg)
+
+ def test_encrypt_decrypt_with_schema_version_1_0_with_salt(self):
+ """Encrypt and decrypt with schema version 1.0, salt exists."""
+ schema_version = "1.0"
+ encrypted_msg = asyncio.run(
+ self.encryption.encrypt(value, schema_version, salt)
+ )
+ decrypted_msg = asyncio.run(
+ self.encryption.decrypt(encrypted_msg, schema_version, salt)
+ )
+ self.assertEqual(value, decrypted_msg)
+
+ def test_encrypt_decrypt_with_schema_version_1_1_without_salt(self):
+ """Encrypt and decrypt with schema version 1.1, without salt."""
+ salt = None
+ with self.assertRaises(Exception) as error:
+ asyncio.run(self.encryption.encrypt(value, schema_version, salt))
+ self.assertEqual(str(error.exception), "'NoneType' object is not iterable")
+
+
+class TestDeepUpdate(unittest.TestCase):
+ def test_update_dict(self):
+ # Original, patch, expected result
+ TEST = (
+ ({"a": "b"}, {"a": "c"}, {"a": "c"}),
+ ({"a": "b"}, {"b": "c"}, {"a": "b", "b": "c"}),
+ ({"a": "b"}, {"a": None}, {}),
+ ({"a": "b", "b": "c"}, {"a": None}, {"b": "c"}),
+ ({"a": ["b"]}, {"a": "c"}, {"a": "c"}),
+ ({"a": "c"}, {"a": ["b"]}, {"a": ["b"]}),
+ ({"a": {"b": "c"}}, {"a": {"b": "d", "c": None}}, {"a": {"b": "d"}}),
+ ({"a": [{"b": "c"}]}, {"a": [1]}, {"a": [1]}),
+ ({1: ["a", "b"]}, {1: ["c", "d"]}, {1: ["c", "d"]}),
+ ({1: {"a": "b"}}, {1: ["c"]}, {1: ["c"]}),
+ ({1: {"a": "foo"}}, {1: None}, {}),
+ ({1: {"a": "foo"}}, {1: "bar"}, {1: "bar"}),
+ ({"e": None}, {"a": 1}, {"e": None, "a": 1}),
+ ({1: [1, 2]}, {1: {"a": "b", "c": None}}, {1: {"a": "b"}}),
+ ({}, {"a": {"bb": {"ccc": None}}}, {"a": {"bb": {}}}),
+ )
+ for t in TEST:
+ deep_update(t[0], t[1])
+ self.assertEqual(t[0], t[2])
+ # test deepcopy is done. So that original dictionary does not reference the pach
+ test_original = {1: {"a": "b"}}
+ test_patch = {1: {"c": {"d": "e"}}}
+ test_result = {1: {"a": "b", "c": {"d": "e"}}}
+ deep_update(test_original, test_patch)
+ self.assertEqual(test_original, test_result)
+ test_patch[1]["c"]["f"] = "edition of patch, must not modify original"
+ self.assertEqual(test_original, test_result)
+
+ def test_update_array(self):
+ # This TEST contains a list with the the Original, patch, and expected result
+ TEST = (
+ # delete all instances of "a"/"d"
+ ({"A": ["a", "b", "a"]}, {"A": {"$a": None}}, {"A": ["b"]}),
+ ({"A": ["a", "b", "a"]}, {"A": {"$d": None}}, {"A": ["a", "b", "a"]}),
+ # delete and insert at 0
+ (
+ {"A": ["a", "b", "c"]},
+ {"A": {"$b": None, "$+[0]": "b"}},
+ {"A": ["b", "a", "c"]},
+ ),
+ # delete and edit
+ (
+ {"A": ["a", "b", "a"]},
+ {"A": {"$a": None, "$[1]": {"c": "d"}}},
+ {"A": [{"c": "d"}]},
+ ),
+ # insert if not exist
+ ({"A": ["a", "b", "c"]}, {"A": {"$+b": "b"}}, {"A": ["a", "b", "c"]}),
+ ({"A": ["a", "b", "c"]}, {"A": {"$+d": "f"}}, {"A": ["a", "b", "c", "f"]}),
+ # edit by filter
+ (
+ {"A": ["a", "b", "a"]},
+ {"A": {"$b": {"c": "d"}}},
+ {"A": ["a", {"c": "d"}, "a"]},
+ ),
+ (
+ {"A": ["a", "b", "a"]},
+ {"A": {"$b": None, "$+[0]": "b", "$+": "c"}},
+ {"A": ["b", "a", "a", "c"]},
+ ),
+ ({"A": ["a", "b", "a"]}, {"A": {"$c": None}}, {"A": ["a", "b", "a"]}),
+ # index deletion out of range
+ ({"A": ["a", "b", "a"]}, {"A": {"$[5]": None}}, {"A": ["a", "b", "a"]}),
+ # nested array->dict
+ (
+ {"A": ["a", "b", {"id": "1", "c": {"d": 2}}]},
+ {"A": {"$id: '1'": {"h": None, "c": {"d": "e", "f": "g"}}}},
+ {"A": ["a", "b", {"id": "1", "c": {"d": "e", "f": "g"}}]},
+ ),
+ (
+ {"A": [{"id": 1, "c": {"d": 2}}, {"id": 1, "c": {"f": []}}]},
+ {"A": {"$id: 1": {"h": None, "c": {"d": "e", "f": "g"}}}},
+ {
+ "A": [
+ {"id": 1, "c": {"d": "e", "f": "g"}},
+ {"id": 1, "c": {"d": "e", "f": "g"}},
+ ]
+ },
+ ),
+ # nested array->array
+ (
+ {"A": ["a", "b", ["a", "b"]]},
+ {"A": {"$b": None, "$[2]": {"$b": {}, "$+": "c"}}},
+ {"A": ["a", ["a", {}, "c"]]},
+ ),
+ # types str and int different, so not found
+ (
+ {"A": ["a", {"id": "1", "c": "d"}]},
+ {"A": {"$id: 1": {"c": "e"}}},
+ {"A": ["a", {"id": "1", "c": "d"}]},
+ ),
+ )
+ for t in TEST:
+ print(t)
+ deep_update(t[0], t[1])
+ self.assertEqual(t[0], t[2])
+
+ def test_update_badformat(self):
+ # This TEST contains original, incorrect patch and #TODO text that must be present
+ TEST = (
+ # conflict, index 0 is edited twice
+ ({"A": ["a", "b", "a"]}, {"A": {"$a": None, "$[0]": {"c": "d"}}}),
+ # conflict, two insertions at same index
+ ({"A": ["a", "b", "a"]}, {"A": {"$[1]": "c", "$[-2]": "d"}}),
+ ({"A": ["a", "b", "a"]}, {"A": {"$[1]": "c", "$[+1]": "d"}}),
+ # bad format keys with and without $
+ ({"A": ["a", "b", "a"]}, {"A": {"$b": {"c": "d"}, "c": 3}}),
+ # bad format empty $ and yaml incorrect
+ ({"A": ["a", "b", "a"]}, {"A": {"$": 3}}),
+ ({"A": ["a", "b", "a"]}, {"A": {"$a: b: c": 3}}),
+ ({"A": ["a", "b", "a"]}, {"A": {"$a: b, c: d": 3}}),
+ # insertion of None
+ ({"A": ["a", "b", "a"]}, {"A": {"$+": None}}),
+ # Not found, insertion of None
+ ({"A": ["a", "b", "a"]}, {"A": {"$+c": None}}),
+ # index edition out of range
+ ({"A": ["a", "b", "a"]}, {"A": {"$[5]": 6}}),
+ # conflict, two editions on index 2
+ (
+ {"A": ["a", {"id": "1", "c": "d"}]},
+ {"A": {"$id: '1'": {"c": "e"}, "$c: d": {"c": "f"}}},
+ ),
+ )
+ for t in TEST:
+ print(t)
+ self.assertRaises(DbException, deep_update, t[0], t[1])
+ try:
+ deep_update(t[0], t[1])
+ except DbException as e:
+ print(e)
+
+
+if __name__ == "__main__":
+ unittest.main()
projects / osm / common.git / blobdiff