def test_secure_delete_capability(config):
assert rm.check_secure_delete_capability() is True
path = os.environ["PATH"]
try:
os.environ["PATH"] = "{}".format(config.TEMP_DIR)
assert rm.check_secure_delete_capability() is False
fakeshred = os.path.join(config.TEMP_DIR, "shred")
with open(fakeshred, "w") as f:
f.write("#!/bin/bash\nexit 1\n")
os.chmod(fakeshred, 0o700)
assert rm.check_secure_delete_capability() is False
finally:
os.environ["PATH"] = path
def __init__(self, storage_path: str, temp_dir: str) -> None:
if not os.path.isabs(storage_path):
raise PathException("storage_path {} is not absolute".format(storage_path))
self.__storage_path = storage_path
if not os.path.isabs(temp_dir):
raise PathException("temp_dir {} is not absolute".format(temp_dir))
self.__temp_dir = temp_dir
# where files and directories are sent to be securely deleted
self.__shredder_path = os.path.abspath(os.path.join(self.__storage_path, "../shredder"))
os.makedirs(self.__shredder_path, mode=0o700, exist_ok=True)
# crash if we don't have a way to securely remove files
if not rm.check_secure_delete_capability():
raise AssertionError("Secure file deletion is not possible.")
def do_runtime_tests(self) -> None:
if self.scrypt_id_pepper == self.scrypt_gpg_pepper:
raise AssertionError('scrypt_id_pepper == scrypt_gpg_pepper')
# crash if we don't have a way to securely remove files
if not rm.check_secure_delete_capability():
raise AssertionError("Secure file deletion is not possible.")
