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"""
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 <https://www.gnu.org/licenses/>.
Copyright © 2019 Cloud Linux Software Inc.
This software is also available under ImunifyAV commercial license,
see <https://www.imunify360.com/legal/eula>
"""
import asyncio
import logging
import os
from contextlib import suppress
from defence360agent.contracts.config import 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,
]
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),
)
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