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#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""Tests for the encrypted stream file-like object."""
from __future__ import unicode_literals
import os
import unittest
from dfvfs.file_io import encrypted_stream_io
from dfvfs.file_io import os_file_io
from dfvfs.lib import definitions
from dfvfs.path import encrypted_stream_path_spec
from dfvfs.path import os_path_spec
from dfvfs.resolver import context
from dfvfs.resolver import resolver
from tests import test_lib as shared_test_lib
from tests.file_io import test_lib
@shared_test_lib.skipUnlessHasTestFile(['syslog.aes'])
class AESEncryptedStreamWithKeyChainTest(test_lib.PaddedSyslogTestCase):
"""Tests the RC4 encrypted stream file-like object.
The credentials are passed via the key chain.
"""
_AES_KEY = b'This is a key123'
_AES_MODE = definitions.ENCRYPTION_MODE_CBC
_AES_IV = b'This is an IV456'
def setUp(self):
"""Sets up the needed objects used throughout the test."""
self._resolver_context = context.Context()
test_file = self._GetTestFilePath(['syslog.aes'])
self._os_path_spec = os_path_spec.OSPathSpec(location=test_file)
self._encrypted_stream_path_spec = (
encrypted_stream_path_spec.EncryptedStreamPathSpec(
encryption_method=definitions.ENCRYPTION_METHOD_AES,
parent=self._os_path_spec))
resolver.Resolver.key_chain.SetCredential(
self._encrypted_stream_path_spec, 'key', self._AES_KEY)
resolver.Resolver.key_chain.SetCredential(
self._encrypted_stream_path_spec, 'initialization_vector',
self._AES_IV)
resolver.Resolver.key_chain.SetCredential(
self._encrypted_stream_path_spec, 'cipher_mode', self._AES_MODE)
self.padding_size = 1
def testOpenCloseFileObject(self):
"""Test the open and close functionality using a file-like object."""
os_file_object = os_file_io.OSFile(self._resolver_context)
os_file_object.open(path_spec=self._os_path_spec)
file_object = encrypted_stream_io.EncryptedStream(
self._resolver_context,
encryption_method=definitions.ENCRYPTION_METHOD_AES,
file_object=os_file_object)
file_object.open(path_spec=self._encrypted_stream_path_spec)
self._TestGetSizeFileObject(file_object)
file_object.close()
os_file_object.close()
def testOpenClosePathSpec(self):
"""Test the open and close functionality using a path specification."""
file_object = encrypted_stream_io.EncryptedStream(self._resolver_context)
file_object.open(path_spec=self._encrypted_stream_path_spec)
self._TestGetSizeFileObject(file_object)
file_object.close()
def testSeek(self):
"""Test the seek functionality."""
file_object = encrypted_stream_io.EncryptedStream(self._resolver_context)
file_object.open(path_spec=self._encrypted_stream_path_spec)
self._TestSeekFileObject(file_object)
file_object.close()
# TODO: Test SEEK_CUR after open.
# Test SEEK_END after open.
file_object = encrypted_stream_io.EncryptedStream(self._resolver_context)
file_object.open(path_spec=self._encrypted_stream_path_spec)
file_object.seek(-10 - self.padding_size, os.SEEK_END)
self.assertEqual(file_object.read(5), b'times')
file_object.close()
def testRead(self):
"""Test the read functionality."""
file_object = encrypted_stream_io.EncryptedStream(self._resolver_context)
file_object.open(path_spec=self._encrypted_stream_path_spec)
self._TestReadFileObject(file_object)
file_object.close()
@shared_test_lib.skipUnlessHasTestFile(['syslog.aes'])
class AESEncryptedStreamTest(test_lib.PaddedSyslogTestCase):
"""The unit test for a AES encrypted stream file-like object.
The credentials are passed via the path specification.
"""
_AES_CIPHER_MODE = definitions.ENCRYPTION_MODE_CBC
_AES_INITIALIZATION_VECTOR = b'This is an IV456'
_AES_KEY = b'This is a key123'
def setUp(self):
"""Sets up the needed objects used throughout the test."""
self._resolver_context = context.Context()
test_file = self._GetTestFilePath(['syslog.aes'])
self._os_path_spec = os_path_spec.OSPathSpec(location=test_file)
self._encrypted_stream_path_spec = (
encrypted_stream_path_spec.EncryptedStreamPathSpec(
cipher_mode=self._AES_CIPHER_MODE,
encryption_method=definitions.ENCRYPTION_METHOD_AES,
initialization_vector=self._AES_INITIALIZATION_VECTOR,
key=self._AES_KEY, parent=self._os_path_spec))
self.padding_size = 1
def testOpenCloseFileObject(self):
"""Test the open and close functionality using a file-like object."""
os_file_object = os_file_io.OSFile(self._resolver_context)
os_file_object.open(path_spec=self._os_path_spec)
file_object = encrypted_stream_io.EncryptedStream(
self._resolver_context,
encryption_method=definitions.ENCRYPTION_METHOD_AES,
file_object=os_file_object)
file_object.open(path_spec=self._encrypted_stream_path_spec)
self._TestGetSizeFileObject(file_object)
file_object.close()
os_file_object.close()
def testOpenClosePathSpec(self):
"""Test the open and close functionality using a path specification."""
file_object = encrypted_stream_io.EncryptedStream(self._resolver_context)
file_object.open(path_spec=self._encrypted_stream_path_spec)
self._TestGetSizeFileObject(file_object)
file_object.close()
def testSeek(self):
"""Test the seek functionality."""
file_object = encrypted_stream_io.EncryptedStream(self._resolver_context)
file_object.open(path_spec=self._encrypted_stream_path_spec)
self._TestSeekFileObject(file_object)
file_object.close()
# TODO: Test SEEK_CUR after open.
# Test SEEK_END after open.
file_object = encrypted_stream_io.EncryptedStream(self._resolver_context)
file_object.open(path_spec=self._encrypted_stream_path_spec)
file_object.seek(-10 - self.padding_size, os.SEEK_END)
self.assertEqual(file_object.read(5), b'times')
file_object.close()
def testRead(self):
"""Test the read functionality."""
file_object = encrypted_stream_io.EncryptedStream(self._resolver_context)
file_object.open(path_spec=self._encrypted_stream_path_spec)
self._TestReadFileObject(file_object)
file_object.close()
@shared_test_lib.skipUnlessHasTestFile(['syslog.blowfish'])
class BlowfishEncryptedStreamWithKeyChainTest(test_lib.PaddedSyslogTestCase):
"""Tests the Blowfish encrypted stream file-like object.
The credentials are passed via the key chain.
"""
_BLOWFISH_KEY = b'This is a key123'
_BLOWFISH_MODE = definitions.ENCRYPTION_MODE_CBC
_BLOWFISH_IV = b'This IV!'
def setUp(self):
"""Sets up the needed objects used throughout the test."""
self._resolver_context = context.Context()
test_file = self._GetTestFilePath(['syslog.blowfish'])
self._os_path_spec = os_path_spec.OSPathSpec(location=test_file)
self._encrypted_stream_path_spec = (
encrypted_stream_path_spec.EncryptedStreamPathSpec(
encryption_method=definitions.ENCRYPTION_METHOD_BLOWFISH,
parent=self._os_path_spec))
resolver.Resolver.key_chain.SetCredential(
self._encrypted_stream_path_spec, 'key', self._BLOWFISH_KEY)
resolver.Resolver.key_chain.SetCredential(
self._encrypted_stream_path_spec, 'initialization_vector',
self._BLOWFISH_IV)
resolver.Resolver.key_chain.SetCredential(
self._encrypted_stream_path_spec, 'cipher_mode', self._BLOWFISH_MODE)
self.padding_size = 1
def testOpenCloseFileObject(self):
"""Test the open and close functionality using a file-like object."""
os_file_object = os_file_io.OSFile(self._resolver_context)
os_file_object.open(path_spec=self._os_path_spec)
file_object = encrypted_stream_io.EncryptedStream(
self._resolver_context,
encryption_method=definitions.ENCRYPTION_METHOD_BLOWFISH,
file_object=os_file_object)
file_object.open(path_spec=self._encrypted_stream_path_spec)
self._TestGetSizeFileObject(file_object)
file_object.close()
os_file_object.close()
def testOpenClosePathSpec(self):
"""Test the open and close functionality using a path specification."""
file_object = encrypted_stream_io.EncryptedStream(self._resolver_context)
file_object.open(path_spec=self._encrypted_stream_path_spec)
self._TestGetSizeFileObject(file_object)
file_object.close()
def testSeek(self):
"""Test the seek functionality."""
file_object = encrypted_stream_io.EncryptedStream(self._resolver_context)
file_object.open(path_spec=self._encrypted_stream_path_spec)
self._TestSeekFileObject(file_object)
file_object.close()
# TODO: Test SEEK_CUR after open.
# Test SEEK_END after open.
file_object = encrypted_stream_io.EncryptedStream(self._resolver_context)
file_object.open(path_spec=self._encrypted_stream_path_spec)
file_object.seek(-10 - self.padding_size, os.SEEK_END)
self.assertEqual(file_object.read(5), b'times')
file_object.close()
def testRead(self):
"""Test the read functionality."""
file_object = encrypted_stream_io.EncryptedStream(self._resolver_context)
file_object.open(path_spec=self._encrypted_stream_path_spec)
self._TestReadFileObject(file_object)
file_object.close()
@shared_test_lib.skipUnlessHasTestFile(['syslog.des3'])
class DES3EncryptedStreamWithKeyChainTest(test_lib.PaddedSyslogTestCase):
"""Tests the Triple DES encrypted stream file-like object.
The credentials are passed via the key chain.
"""
_DES3_KEY = b'This is a key123'
_DES3_MODE = definitions.ENCRYPTION_MODE_CBC
_DES3_IV = b'This IV!'
def setUp(self):
"""Sets up the needed objects used throughout the test."""
self._resolver_context = context.Context()
test_file = self._GetTestFilePath(['syslog.des3'])
self._os_path_spec = os_path_spec.OSPathSpec(location=test_file)
self._encrypted_stream_path_spec = (
encrypted_stream_path_spec.EncryptedStreamPathSpec(
encryption_method=definitions.ENCRYPTION_METHOD_DES3,
parent=self._os_path_spec))
resolver.Resolver.key_chain.SetCredential(
self._encrypted_stream_path_spec, 'key', self._DES3_KEY)
resolver.Resolver.key_chain.SetCredential(
self._encrypted_stream_path_spec, 'initialization_vector',
self._DES3_IV)
resolver.Resolver.key_chain.SetCredential(
self._encrypted_stream_path_spec, 'cipher_mode', self._DES3_MODE)
self.padding_size = 1
def testOpenCloseFileObject(self):
"""Test the open and close functionality using a file-like object."""
os_file_object = os_file_io.OSFile(self._resolver_context)
os_file_object.open(path_spec=self._os_path_spec)
file_object = encrypted_stream_io.EncryptedStream(
self._resolver_context,
encryption_method=definitions.ENCRYPTION_METHOD_DES3,
file_object=os_file_object)
file_object.open(path_spec=self._encrypted_stream_path_spec)
self._TestGetSizeFileObject(file_object)
file_object.close()
os_file_object.close()
def testOpenClosePathSpec(self):
"""Test the open and close functionality using a path specification."""
file_object = encrypted_stream_io.EncryptedStream(self._resolver_context)
file_object.open(path_spec=self._encrypted_stream_path_spec)
self._TestGetSizeFileObject(file_object)
file_object.close()
def testSeek(self):
"""Test the seek functionality."""
file_object = encrypted_stream_io.EncryptedStream(self._resolver_context)
file_object.open(path_spec=self._encrypted_stream_path_spec)
self._TestSeekFileObject(file_object)
file_object.close()
# TODO: Test SEEK_CUR after open.
# Test SEEK_END after open.
file_object = encrypted_stream_io.EncryptedStream(self._resolver_context)
file_object.open(path_spec=self._encrypted_stream_path_spec)
file_object.seek(-10 - self.padding_size, os.SEEK_END)
self.assertEqual(file_object.read(5), b'times')
file_object.close()
def testRead(self):
"""Test the read functionality."""
file_object = encrypted_stream_io.EncryptedStream(self._resolver_context)
file_object.open(path_spec=self._encrypted_stream_path_spec)
self._TestReadFileObject(file_object)
file_object.close()
@shared_test_lib.skipUnlessHasTestFile(['syslog.rc4'])
class RC4EncryptedStreamWithKeyChainTest(test_lib.SylogTestCase):
"""Tests the RC4 encrypted stream file-like object.
The credentials are passed via the key chain.
"""
_RC4_KEY = b'rc4test'
def setUp(self):
"""Sets up the needed objects used throughout the test."""
self._resolver_context = context.Context()
test_file = self._GetTestFilePath(['syslog.rc4'])
self._os_path_spec = os_path_spec.OSPathSpec(location=test_file)
self._encrypted_stream_path_spec = (
encrypted_stream_path_spec.EncryptedStreamPathSpec(
encryption_method=definitions.ENCRYPTION_METHOD_RC4,
parent=self._os_path_spec))
resolver.Resolver.key_chain.SetCredential(
self._encrypted_stream_path_spec, 'key', self._RC4_KEY)
def testOpenCloseFileObject(self):
"""Test the open and close functionality using a file-like object."""
os_file_object = os_file_io.OSFile(self._resolver_context)
os_file_object.open(path_spec=self._os_path_spec)
file_object = encrypted_stream_io.EncryptedStream(
self._resolver_context,
encryption_method=definitions.ENCRYPTION_METHOD_RC4,
file_object=os_file_object)
file_object.open(path_spec=self._encrypted_stream_path_spec)
self._TestGetSizeFileObject(file_object)
file_object.close()
os_file_object.close()
def testOpenClosePathSpec(self):
"""Test the open and close functionality using a path specification."""
file_object = encrypted_stream_io.EncryptedStream(self._resolver_context)
file_object.open(path_spec=self._encrypted_stream_path_spec)
self._TestGetSizeFileObject(file_object)
file_object.close()
def testSeek(self):
"""Test the seek functionality."""
file_object = encrypted_stream_io.EncryptedStream(self._resolver_context)
file_object.open(path_spec=self._encrypted_stream_path_spec)
self._TestSeekFileObject(file_object)
file_object.close()
# TODO: Test SEEK_CUR after open.
# Test SEEK_END after open.
file_object = encrypted_stream_io.EncryptedStream(self._resolver_context)
file_object.open(path_spec=self._encrypted_stream_path_spec)
file_object.seek(-10, os.SEEK_END)
self.assertEqual(file_object.read(5), b'times')
file_object.close()
def testRead(self):
"""Test the read functionality."""
file_object = encrypted_stream_io.EncryptedStream(self._resolver_context)
file_object.open(path_spec=self._encrypted_stream_path_spec)
self._TestReadFileObject(file_object)
file_object.close()
if __name__ == '__main__':
unittest.main()
|
