Current File : /opt/imunify360/venv/lib/python3.11/site-packages/defence360agent/subsys//notifier.py
"""Send events via Notification service"""
import asyncio
import base64
import json
SOCKET_PATH = "/opt/imunify360/lib/event.sock"
SOCKET_TIMEOUT = 10.0 # seconds
_LEN_BYTES = 4
_MAX_SIZE = 1024 * 1024
CONFIG_UPDATED_EVENT_ID = "CONFIG_UPDATED"
USER_SCAN_STARTED_EVENT_ID = "USER_SCAN_STARTED"
USER_SCAN_FINISHED_EVENT_ID = "USER_SCAN_FINISHED"
USER_SCAN_MALWARE_FOUND_EVENT_ID = "USER_SCAN_MALWARE_FOUND"
CUSTOM_SCAN_STARTED_EVENT_ID = "CUSTOM_SCAN_STARTED"
CUSTOM_SCAN_FINISHED_EVENT_ID = "CUSTOM_SCAN_FINISHED"
CUSTOM_SCAN_MALWARE_FOUND_EVENT_ID = "CUSTOM_SCAN_MALWARE_FOUND"
SCRIPT_BLOCKED_EVENT_ID = "SCRIPT_BLOCKED"
def _prepare_event(event_id: str, user: str, body: dict) -> bytes:
event = json.dumps(
{
"event_id": event_id,
"user": user,
"body": base64.b64encode(json.dumps(body).encode("utf-8")).decode(
"utf-8"
),
}
)
binary = event.encode("utf-8")
if len(binary) > _MAX_SIZE:
raise Exception(
"message size {} exceeds limit of {}".format(
len(binary), _MAX_SIZE
)
)
return len(binary).to_bytes(_LEN_BYTES, byteorder="big") + binary
async def _send_event(event: bytes) -> None:
_, writer = await asyncio.open_unix_connection(SOCKET_PATH)
try:
writer.write(event)
await writer.drain()
finally:
writer.close()
async def trigger_event(event_id: str, user: str, body: dict) -> None:
"""Send an event with given event_id and user, having given body."""
event = _prepare_event(event_id, user, body)
await asyncio.wait_for(_send_event(event), SOCKET_TIMEOUT)
async def config_updated() -> None:
"""Send CONFIG_UPDATED event.
This forces imunify-notifier to reread its config."""
await trigger_event(CONFIG_UPDATED_EVENT_ID, "", {})
