"""
This program is free software: you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License,
or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see .
Copyright © 2019 Cloud Linux Software Inc.
This software is also available under ImunifyAV commercial license,
see
"""
import asyncio
import logging
import os
from contextlib import suppress
from defence360agent.contracts.config import Malware, MalwareSignatures
from imav.malwarelib.scan.mds import MDS_PATH
from imav.malwarelib.scan.mds.detached import MDSDetachedCleanupDir
from imav.malwarelib.scan.mds.restore import storage_path
logger = logging.getLogger(__name__)
class MalwareDatabaseCleaner:
def __init__(self, cleanup_id, path, app_name):
if not path:
raise ValueError("Cannot instantiate cleaner without path")
if not app_name:
raise ValueError("Cannot instantiate cleaner without app names")
self.cleanup_id = cleanup_id
self.path = path
self.app_name = app_name
self.work_dir = MDSDetachedCleanupDir(self.cleanup_id)
@property
def storage_path(self):
return storage_path(self.path, self.app_name)
@property
def cmd(self):
return [
"/opt/ai-bolit/wrapper",
MDS_PATH,
"--clean",
"--path",
self.path,
"--avdb",
MalwareSignatures.MDS_AI_BOLIT_HOSTER,
"--report-file",
str(self.work_dir.report_file),
"--detached",
self.cleanup_id,
"--progress",
str(self.work_dir.progress_file),
"--backup-file",
self.storage_path,
"--app-name",
self.app_name,
"--procudb",
MalwareSignatures.MDS_PROCU_DB,
"--db-timeout",
str(Malware.MDS_DB_TIMEOUT),
]
async def start(self):
with self.work_dir:
with self.work_dir.log_file.open(
mode="w"
) as l_f, self.work_dir.err_file.open(mode="w") as e_f:
logger.info("Running MDS Cleaner with: %s", self.cmd)
with suppress(FileNotFoundError):
os.unlink(self.storage_path)
await asyncio.create_subprocess_exec(
*self.cmd,
start_new_session=True,
stdout=l_f,
stderr=e_f,
cwd=str(self.work_dir),
)