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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 hashlib
import logging
import uuid
from defence360agent.contracts.config import MalwareScanIntensity
from defence360agent.internals.the_sink import TheSink
from imav.malwarelib.config import (
RESTORE_ORIGINAL_INTENSITY_KEY,
MalwareScanResourceType,
)
from imav.malwarelib.model import MalwareHit
from imav.malwarelib.utils import hash_path
from defence360agent.utils import resource_limits
from defence360agent.contracts.messages import MessageType
from imav.malwarelib.scan.mds import MDS_PATH
from imav.malwarelib.scan.mds.detached import MDSDetachedRestoreDir
logger = logging.getLogger(__name__)
class MalwareDatabaseRestore:
def __init__(self, *, app_name, path, restore_id=None):
self.app_name = app_name
self.path = path
self.restore_id = restore_id or uuid.uuid4().hex
def cmd(self, work_dir: MDSDetachedRestoreDir):
return [
"/opt/ai-bolit/wrapper",
MDS_PATH,
"--restore",
storage_path(self.path, self.app_name),
"--path",
self.path,
"--app-name",
self.app_name,
"--report-file",
str(work_dir.report_file),
"--detached",
self.restore_id,
"--progress",
str(work_dir.progress_file),
]
async def restore(self):
with MDSDetachedRestoreDir(self.restore_id) as work_dir:
cmd = self.cmd(work_dir)
with work_dir.log_file.open(
mode="w"
) as l_f, work_dir.err_file.open(mode="w") as e_f:
logger.info("Running MDS Restore with: %s", cmd)
await resource_limits.create_subprocess(
cmd,
intensity_cpu=MalwareScanIntensity.CPU,
intensity_io=MalwareScanIntensity.IO,
start_new_session=True,
stdout=l_f,
stderr=e_f,
cwd=str(work_dir),
key=RESTORE_ORIGINAL_INTENSITY_KEY,
)
def storage_path(path: str, app_name: str):
return "/var/imunify360/cleanup_storage/" + hash_path(
path + app_name, hash_provider=hashlib.sha384
)
async def restore_hits(hits, sink: TheSink):
db_hits = [
hit
for hit in hits
if hit.resource_type == MalwareScanResourceType.DB.value
]
hit: MalwareHit
for hit in db_hits:
await sink.process_message(
MessageType.MalwareDatabaseRestoreTask(
path=hit.orig_file, app_name=hit.app_name
)
)