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Direktori : /opt/imunify360/venv/lib/python3.11/site-packages/imav/malwarelib/scan/ |
Current File : //opt/imunify360/venv/lib/python3.11/site-packages/imav/malwarelib/scan/queue_supervisor_sync.py |
""" 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 from imav.malwarelib.config import ( MalwareScanResourceType, MalwareScanType, QueuedScanState, ) from imav.malwarelib.scan.detached import DetachedState from imav.malwarelib.scan.queue import QueuedScanBase, ScanQueue from defence360agent.utils import create_task_and_log_exceptions from defence360agent.contracts.messages import MessageType logger = logging.getLogger(__name__) class QueueSupervisorSync: queue = ScanQueue() def __init__(self, loop=None, sink=None): self.loop = loop or asyncio.get_event_loop() self.sink = sink current_scan = self.queue.current_scan if ( current_scan and current_scan.detached_scan.get_detached_process_state() in (DetachedState.RUNNING, DetachedState.FINISHED) ): current_scan.state = QueuedScanState.running async def put( self, paths, resource_type: MalwareScanResourceType, prioritize=False, **scan_args, ): logger.info( "Queuing %s scan for %s", resource_type.value, ", ".join(paths) ) running_scan = self.queue.current_scan for path in paths: if scan := self.queue.find(path=path, resource_type=resource_type): self.queue.remove(scan) if ( running_scan and running_scan.path in paths and running_scan.resource_type == resource_type ): await running_scan.detached_scan.handle_aborted_process( sink=self.sink, kill=True, scan_started=running_scan.started ) await self.queue.put( paths, resource_type=resource_type, prioritize=prioritize, **scan_args, ) self.recheck() def clear(self): while self.queue: self.queue.remove() def clear_background(self): while True: scan = self.queue.find(scan_type=MalwareScanType.BACKGROUND) if not scan: break self.queue.remove(scan) def remove(self, scan_ids=None): if scan_ids: scans = self.queue.find_all(scan_ids) else: scans = [scan] if (scan := self.queue.current_scan) else [] paths = [s.path for s in scans] logger.info("Removing scans from the queue for %s", ", ".join(paths)) for scan in scans: self.queue.remove(scan) self.recheck() def recheck(self): if not self.queue: return scan = self.queue.current_scan if scan is not None: if scan.state == QueuedScanState.running: return if scan.state == QueuedScanState.stopped: self.queue.remove(scan) if self.queue and self.queue.current_scan: if self.queue.current_scan.state == QueuedScanState.queued: self._create_scan_task() def is_empty(self): return not bool(self.queue) def status(self): active_scan = self.queue.current_scan if active_scan: return { **active_scan.status(), "queued": len(self.queue) - 1, "resource_type": active_scan.resource_type.value, "status": QueuedScanState.running.value, } return { "queued": 0, "status": QueuedScanState.stopped.value, } def get_scans_from_paths(self, paths): return self.queue.get_scans_from_paths(paths) def _create_scan_task(self): scan = self.queue.current_scan scan.state = QueuedScanState.running create_task_and_log_exceptions(self.loop, self._scan_coro, scan) async def _scan_coro(self, scan: QueuedScanBase): scan_data = await scan.start() if scan_data is not None: await self.sink.process_message( MessageType.MalwareScan(**scan_data) ) else: self.recheck() async def update_scan_status(self, scan_ids, status): self.queue.update(scan_ids, status)