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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>
Convert serialized scans classes to dicts.
In most cases it should be already done in 001_fix_scan_unserialization, but
it is still necessary for those who have already updated to 7.1.0
before running 001_fix_scan_unserialization migration.
See DEF-24115 for details.
"""
import collections
import importlib
import logging
import pickle
from pathlib import Path
logger = logging.getLogger(__name__)
SCANS_PATH = Path("/var/imunify360/aibolit/scans.pickle")
def dump(obj, path):
temp_path = path.with_name(path.name + ".temp")
with temp_path.open("wb") as f:
pickle.dump(obj, f)
# to avoid the possibility of leaving a broken file,
# if any errors occurred above
temp_path.replace(path)
def migrate(migrator, *_, fake=False, **__):
if fake or not SCANS_PATH.exists():
return
if b"imav.malwarelib" in SCANS_PATH.read_bytes():
try:
with SCANS_PATH.open("rb") as f:
scans = pickle.load(f)
# convert class instance to a simple dict
updated = collections.deque(
{
"path": item.path,
"scanid": item.scanid,
"scan_type": item.scan_type,
"created": item.created,
"started": item.started,
"args": item.args,
"resource_type": item.resource_type.value,
"state": item.state.value,
}
for item in scans
)
except Exception as exc:
logger.exception(
"Failed to load pickle scans %s: %s", SCANS_PATH, exc
)
else:
dump(updated, SCANS_PATH)
def rollback(migrator, *_, fake=False, **__):
pass