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######################################################################
#
# File: test/unit/v1/test_copy_manager.py
#
# Copyright 2021 Backblaze Inc. All Rights Reserved.
#
# License https://www.backblaze.com/using_b2_code.html
#
######################################################################
from __future__ import annotations
from b2sdk._internal.http_constants import SSE_C_KEY_ID_FILE_INFO_KEY_NAME
from b2sdk._internal.transfer.outbound.copy_manager import CopyManager
from ..test_base import TestBase
from .deps import (
SSE_B2_AES,
EncryptionAlgorithm,
EncryptionKey,
EncryptionMode,
EncryptionSetting,
MetadataDirectiveMode,
)
from .deps_exception import SSECKeyIdMismatchInCopy
SSE_C_AES = EncryptionSetting(
mode=EncryptionMode.SSE_C,
algorithm=EncryptionAlgorithm.AES256,
key=EncryptionKey(secret=b'some_key', key_id='some-id'),
)
SSE_C_AES_2 = EncryptionSetting(
mode=EncryptionMode.SSE_C,
algorithm=EncryptionAlgorithm.AES256,
key=EncryptionKey(secret=b'some_other_key', key_id='some-id-2'),
)
class TestCopyManager(TestBase):
def test_establish_sse_c_replace(self):
file_info = {'some_key': 'some_value'}
content_type = 'text/plain'
(
metadata_directive,
new_file_info,
new_content_type,
) = CopyManager.establish_sse_c_file_metadata(
MetadataDirectiveMode.REPLACE,
destination_file_info=file_info,
destination_content_type=content_type,
destination_server_side_encryption=SSE_C_AES,
source_server_side_encryption=SSE_C_AES_2,
source_file_info=None,
source_content_type=None,
)
self.assertEqual(
(
MetadataDirectiveMode.REPLACE,
{'some_key': 'some_value', SSE_C_KEY_ID_FILE_INFO_KEY_NAME: 'some-id'},
content_type,
),
(metadata_directive, new_file_info, new_content_type),
)
def test_establish_sse_c_copy_no_enc(self):
file_info = {}
content_type = 'text/plain'
(
metadata_directive,
new_file_info,
new_content_type,
) = CopyManager.establish_sse_c_file_metadata(
MetadataDirectiveMode.COPY,
destination_file_info=file_info,
destination_content_type=content_type,
destination_server_side_encryption=None,
source_server_side_encryption=None,
source_file_info=None,
source_content_type=None,
)
self.assertEqual(
(MetadataDirectiveMode.COPY, {}, content_type),
(metadata_directive, new_file_info, new_content_type),
)
def test_establish_sse_c_copy_b2(self):
file_info = {}
content_type = 'text/plain'
(
metadata_directive,
new_file_info,
new_content_type,
) = CopyManager.establish_sse_c_file_metadata(
MetadataDirectiveMode.COPY,
destination_file_info=file_info,
destination_content_type=content_type,
destination_server_side_encryption=SSE_B2_AES,
source_server_side_encryption=None,
source_file_info=None,
source_content_type=None,
)
self.assertEqual(
(MetadataDirectiveMode.COPY, {}, content_type),
(metadata_directive, new_file_info, new_content_type),
)
def test_establish_sse_c_copy_same_key_id(self):
file_info = None
content_type = 'text/plain'
(
metadata_directive,
new_file_info,
new_content_type,
) = CopyManager.establish_sse_c_file_metadata(
MetadataDirectiveMode.COPY,
destination_file_info=file_info,
destination_content_type=content_type,
destination_server_side_encryption=SSE_C_AES,
source_server_side_encryption=SSE_C_AES,
source_file_info=None,
source_content_type=None,
)
self.assertEqual(
(MetadataDirectiveMode.COPY, None, content_type),
(metadata_directive, new_file_info, new_content_type),
)
def test_establish_sse_c_copy_sources_given(self):
(
metadata_directive,
new_file_info,
new_content_type,
) = CopyManager.establish_sse_c_file_metadata(
MetadataDirectiveMode.COPY,
destination_file_info=None,
destination_content_type=None,
destination_server_side_encryption=SSE_C_AES,
source_server_side_encryption=SSE_C_AES_2,
source_file_info={
'some_key': 'some_value',
SSE_C_KEY_ID_FILE_INFO_KEY_NAME: 'some-id-2',
},
source_content_type='text/plain',
)
self.assertEqual(
(
MetadataDirectiveMode.REPLACE,
{'some_key': 'some_value', SSE_C_KEY_ID_FILE_INFO_KEY_NAME: 'some-id'},
'text/plain',
),
(metadata_directive, new_file_info, new_content_type),
)
def test_establish_sse_c_copy_sources_unknown(self):
for source_file_info, source_content_type in [
(None, None),
({'a': 'b'}, None),
(None, 'text/plain'),
]:
with self.subTest(
source_file_info=source_file_info, source_content_type=source_content_type
):
with self.assertRaises(
SSECKeyIdMismatchInCopy,
'attempting to copy file using MetadataDirectiveMode.COPY without providing source_file_info '
'and source_content_type for differing sse_c_key_ids: source="some-id-2", destination="some-id"',
):
CopyManager.establish_sse_c_file_metadata(
MetadataDirectiveMode.COPY,
destination_file_info=None,
destination_content_type=None,
destination_server_side_encryption=SSE_C_AES,
source_server_side_encryption=SSE_C_AES_2,
source_file_info=source_file_info,
source_content_type=source_content_type,
)
|
